Winding apparatus

Claim 2

A winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: stationary housing means; drive roll means mounted for rotation on said housing means in a fixed position and extending outwardly therefrom and including drive means for rotating same; freely rotatable, linearly movable package roll means extending outwardly from said housing means generally parallel with said drive roll means to receive material for winding thereon; carriage means including a stationary portion mounted on said housing means and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said package roll means for reciprocating linear movement therewith; and means for maintaining a desired predetermined pressure relationship between said drive roll means and said package roll means and for linearly driving said package roll means, said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and package roll means carried thereby; whereby said variable torque reversible motor means can drive said package roll means linearly toward and away from said drive roll means for start-up and doffing by driving said movable carriage portion in the desired direction and can hold said package roll means in frictional peripheral driving engagement with said drive roll means and maintain a predetermined pressure relationship between said roll means for winding by driving said movable carriage portion and said package roll means in a direction toward said drive roll means so that the linear movement of said package roll means away from said drive roll during build-up of a wound material package will overcome the driving force of said torque motor and cause said torque motor to be back driven.

Claim 3

A winding apparatus, as set forth in claim 1, in which said housing means is a substantially enclosed hollow housing, in which said carriage means and said package roll drive and pressure maintaining means and said drive roll drive means are contained within said enclosed housing, and in which the portions of said housing through which said drive roll means and said package roll means extend include sealing means for completely enclosing said housing; whereby the inside of said housing and the components therein are closed off from a hostile environment which may surround said winding apparatus.

Claim 4

A winding apparatus, as set forth in claim 1, in which said screw shaft means comprises a ball screw shaft having ball receiving spiral grooves therein and said nut means comprises a ball nut including an enclosed housing containing a plurality of balls therein for engagement with said spiral grooves of said shaft.

Claim 5

A winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: stationary housing means; drive roll means mounted for rotation on said housing means in a fixed position and extending outwardly therefrom and including drive means for rotating same; a pair of freely rotatable, linearly movable package roll means extending outwardly from said housing generally parallel with said drive roll means to receive material for simultaneous or alternative winding thereon; carriage means operatively associated with each of said package roll means, each of said carriAge means including a stationary portion mounted on said housing means and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said respective package roll means for reciprocating linear movement therewith; and means operatively associated with each of said package roll means for maintaining a desired predetermined pressure relationship between said drive roll means and said respective package roll means and for linearly driving said respective package roll means, each of said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said respective movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and respective package roll means carried thereby; whereby said respective variable torque reversible motor means can drive said respective package roll means linearly toward and away from said drive roll means for start-up and doffing by driving said movable carriage portion in the desired direction and can hold said package roll means in frictional peripheral driving engagement with said drive roll means and maintain predetermined pressure relationships between said roll means for thread winding by driving said movable carriage portion and said package roll means in a direction toward said drive roll means so that the linear movement of said package roll means away from said drive roll means during build-up of wound material packages will overcome the driving force of said torque motor means and cause said torque motor means to be back driven.

Claim 6

A winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: stationary housing means; drive roll means mounted for rotation on said housing means in a fixed position and extending outwardly therefrom and including drive means for rotating same; a pair of freely rotatable, linearly movable package roll means extending outwardly from said housing generally parallel with said drive roll means to receive material for simultaneous or alternative winding thereon; carriage means operatively associated with each of said package roll means, each of said carriAge means including a stationary portion mounted on said housing means and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said respective package roll means for reciprocating linear movement therewith; and means operatively associated with each of said package roll means for maintaining a desired predetermined pressure relationship between said drive roll means and said respective package roll means and for linearly driving said respective package roll means, each of said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said respective movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and respective package roll means carried thereby; whereby said respective variable torque reversible motor means can drive said respective package roll means linearly toward and away from said drive roll means for start-up and doffing by driving said movable carriage portion in the desired direction and can hold said package roll means in frictional peripheral driving engagement with said drive roll means and maintain predetermined pressure relationships between said roll means for thread winding by driving said movable carriage portion and said package roll means in a direction toward said drive roll means so that the linear movement of said package roll means away from said drive roll means during build-up of wound material packages will overcome the driving force of said torque motor means and cause said torque motor means to be back driven.

Claim 7

A winding apparatus, as set forth in claim 4, in which said housing is a substantially enclosed hollow housing, in which said carriage means and said package roll drive and pressure maintaining means and said drive roll drive means are contained within said enclosed housing, and in which the portions of said housing through which said drive roll means and said package roll means extend include sealing means for completely enclosing said housing; whereby the inside of said housing and the components therein are closed off from a hostile environment which may surround said winding apparatus.

Claim 8

A winding apparatus, as set forth in claim 4, in which said screw shaft means each comprises a ball screw shaft having ball receiving spiral grooves therein and said nut means comprises a ball nut including an enclosed housing containing a plurality of balls therein for engagement with said spiral grooves of said shaft.

Claim 9

A winding apparatus, as set forth in claim 4, in which said drive roll means and said package roll means extend generally horizontally outwardly from said housing means and in which each of said package roll means is disposed on one side of said drive roll means above and below each other and are linearly movable away from said drive roll means along inclined paths of travel which form upwardly extending and downwardly extending acute angles respectively with a horizontal plane through said drive roll means so that each of said package roll means may be alternately or simultaneously driven by said drive rolls for simultaneously or alternately winding material on both of said package roll means.

Claim 10

A winding apparatus, as set forth in claim 7, in which each of said package roll means and the associated carriage means include means for compensating for forces introduced as a result of the inclined linear paths of travel of said package roll means so that the predetermined pressure relationship can be maintained.

Claim 11

A textile thread winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: a stationary housing; a generally cylindrical drive roll Mounted for rotation on said housing in a fixed position and extending outwardly therefrom and including drive means for rotating same; a traverse means mounted on said housing for receiving thread to be wound; a freely rotatable, linearly movable package roll for carrying a thread package core and extending outwardly from said housing generally parallel with said drive roll to receive the thread from said traverse means for winding on the package core; a carriage means including a stationary portion mounted on said housing and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said package roll for reciprocating linear movement therewith; and means for maintaining a desired predetermined pressure relationship between said drive roll and said package roll and for linearly driving said package roll, said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and package roll carried thereby; whereby said variable torque reversible motor means can drive said package roll linearly toward and away from said drive roll for start-up and doffing by driving said movable carriage portion in the desired direction and can hold said package roll and the thread core thereon in frictional peripheral driving engagement with said drive roll and maintain a predetermined pressure relationship between said rolls for thread winding by driving said movable carriage portion and said package roll in a direction toward said drive roll so that the linear movement of said package roll away from said drive roll during build-up of a thread package will overcome the driving force of said torque motor and cause said torque motor to be back driven.

Claim 12

A textile thread winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: a stationary housing; a generally cylindrical drive roll Mounted for rotation on said housing in a fixed position and extending outwardly therefrom and including drive means for rotating same; a traverse means mounted on said housing for receiving thread to be wound; a freely rotatable, linearly movable package roll for carrying a thread package core and extending outwardly from said housing generally parallel with said drive roll to receive the thread from said traverse means for winding on the package core; a carriage means including a stationary portion mounted on said housing and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said package roll for reciprocating linear movement therewith; and means for maintaining a desired predetermined pressure relationship between said drive roll and said package roll and for linearly driving said package roll, said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and package roll carried thereby; whereby said variable torque reversible motor means can drive said package roll linearly toward and away from said drive roll for start-up and doffing by driving said movable carriage portion in the desired direction and can hold said package roll and the thread core thereon in frictional peripheral driving engagement with said drive roll and maintain a predetermined pressure relationship between said rolls for thread winding by driving said movable carriage portion and said package roll in a direction toward said drive roll so that the linear movement of said package roll away from said drive roll during build-up of a thread package will overcome the driving force of said torque motor and cause said torque motor to be back driven.

Claim 13

A textile thread winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: a stationary housing; a generally cylindrical drive roll mounted for rotation on said housing in a fixed position and extending outwardly therefrom and including drive means for rotating same; a traverse means mounted on said housing for receiving thread to be wound; a pair of freely rotatable, linearly movable package rolls for carrying thread package cores and extending outwardly from said housing generally parallel with said drive roll to receive the thread from said traverse means for simultaneous or alternative winding on the package cores; a carriage means operatively associated with each of said package rolls, each of said carriage means including a stationary portion mounted on said housing and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said respective package roll for reciprocating linear movement therewith; and means operatively associated with each of said package rolls for maintaining a desired predetermined pressure relationship between said drive roll and said respective package roll and for linearly driving said respective package roll, each of said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said respective movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and respective package roll carried thereby; whereby said respective variable torque reversible motor means can drive said package rolls linearly toward and away from said drive roll for start-up and doFfing by driving said movable carriage portions in the desired direction and can hold said package rolls and the thread cores thereon in frictional peripheral driving engagement with said drive roll and maintain predetermined pressure relationships between said rolls for thread winding by driving said movable carriage portions and said package rolls in a direction toward said drive roll so that the linear movement of said package rolls away from said drive roll during build-up of thread packages will overcome the driving force of said torque motor means and cause said torque motor means to be back driven.

Claim 14

A textile thread winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: a stationary housing; a generally cylindrical drive roll mounted for rotation on said housing in a fixed position and extending outwardly therefrom and including drive means for rotating same; a traverse means mounted on said housing for receiving thread to be wound; a pair of freely rotatable, linearly movable package rolls for carrying thread package cores and extending outwardly from said housing generally parallel with said drive roll to receive the thread from said traverse means for simultaneous or alternative winding on the package cores; a carriage means operatively associated with each of said package rolls, each of said carriage means including a stationary portion mounted on said housing and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said respective package roll for reciprocating linear movement therewith; and means operatively associated with each of said package rolls for maintaining a desired predetermined pressure relationship between said drive roll and said respective package roll and for linearly driving said respective package roll, each of said means comprising a variable torque reversible motor means, a screw shaft means connected to and rotated by said torque motor means and a nut means secured to said respective movable carriage portion and receiving said screw shaft means therethrough for converting rotary movement of said screw shaft means into linear movement of said movable carriage portion and respective package roll carried thereby; whereby said respective variable torque reversible motor means can drive said package rolls linearly toward and away from said drive roll for start-up and doFfing by driving said movable carriage portions in the desired direction and can hold said package rolls and the thread cores thereon in frictional peripheral driving engagement with said drive roll and maintain predetermined pressure relationships between said rolls for thread winding by driving said movable carriage portions and said package rolls in a direction toward said drive roll so that the linear movement of said package rolls away from said drive roll during build-up of thread packages will overcome the driving force of said torque motor means and cause said torque motor means to be back driven.

Claim 15

A textile thread winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: a stationary, substantially enclosed housing including sealing means associated therewith for completely enclosing said housing so that the inside of said housing and the components therein are closed off from a hostile environment which may surround said winding apparatus; a generally cylindrical drive roll mounted for rotation on said housing in a fixed position and extending generally horizontally outwardly therefrom and including drive means operatively connected therewith for rotating same, said drive means being contained within said enclosed housing; a traverse means mounted on said housing for receiving thread to be wound; a pair of freely rotatable, linearly movable package rolls for carrying thread package cores and extending generally horizontally outwardly from said housing generally parallel with said drive roll to receive thread from said traverse means for simultaneous or alternative winding on the package cores, said package rolls being disposed on one side of said drive roll above and below each other and being linearly movable away from said drive roll along inclined paths of travel which form upwardly extending and downwardly extending acute angles respectively with a horizontal plane through said drive roll so that each of said package rolls may be alternatively or simultaneously driven by said drive roll for simultaneously or alternatively winding thread on both of said package rolls; a carriage means contained within said housing and operatively associated with each of said package rolls, each of said carriage means including a stationary portion mounted on said housing and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said respective package rolls for the aforesaid reciprocating linear movement; means contained within said housing and operatively associated with each of said package rolls for maintaining a desired predetermined pressure relationship between said drive roll and said respective package roll and for linearly driving said respective package roll, each of said means comprising a variable torque reversible motor means, a ball screw shaft means having ball receiving spiral grooves therein and connected to and rotated by said torque motor means and a ball nut means comprising an enclosed housing containing a plurality of balls therein for engagement with said spiral grooves of said shaft, and being secured to said respective movable carriage portion and receiving said ball screw shaft means therethrough for converting rotary movement of said screw shaft into linear movement of said movable carriage portion and respective package roll carried thereby; and means contained within said housing and associated with each of said respective package rolls and associated carriage means for compensating for forces introduced as a result of the inclined linear paths of travel of said package rolls; whereby said respective variable torque reversible motor means can drive said package rolls linearly toward and away from said drive roll for start-up and doffing by driving said movable carriage portions in the desired Direction and can hold said package rolls and the thread cores thereon in frictional peripheral driving engagement with said drive roll and maintain predetermined pressure relationships between said rolls for thread winding by driving said movable carriage portions and said package rolls in a direction toward said drive roll so that the linear movement of said package rolls away from said drive roll during build-up of a thread package will overcome the driving force of said torque motor means and cause said torque motor means to be back driven.

Claim 16

A textile thread winding apparatus characterized by maintaining a desired pressure relationship between drive and package rolls for consistency in the winding operation; said apparatus comprising: a stationary, substantially enclosed housing including sealing means associated therewith for completely enclosing said housing so that the inside of said housing and the components therein are closed off from a hostile environment which may surround said winding apparatus; a generally cylindrical drive roll mounted for rotation on said housing in a fixed position and extending generally horizontally outwardly therefrom and including drive means operatively connected therewith for rotating same, said drive means being contained within said enclosed housing; a traverse means mounted on said housing for receiving thread to be wound; a pair of freely rotatable, linearly movable package rolls for carrying thread package cores and extending generally horizontally outwardly from said housing generally parallel with said drive roll to receive thread from said traverse means for simultaneous or alternative winding on the package cores, said package rolls being disposed on one side of said drive roll above and below each other and being linearly movable away from said drive roll along inclined paths of travel which form upwardly extending and downwardly extending acute angles respectively with a horizontal plane through said drive roll so that each of said package rolls may be alternatively or simultaneously driven by said drive roll for simultaneously or alternatively winding thread on both of said package rolls; a carriage means contained within said housing and operatively associated with each of said package rolls, each of said carriage means including a stationary portion mounted on said housing and a movable portion carried by said stationary portion for reciprocating linear movement, said movable carriage portion being secured to and carrying said respective package rolls for the aforesaid reciprocating linear movement; means contained within said housing and operatively associated with each of said package rolls for maintaining a desired predetermined pressure relationship between said drive roll and said respective package roll and for linearly driving said respective package roll, each of said means comprising a variable torque reversible motor means, a ball screw shaft means having ball receiving spiral grooves therein and connected to and rotated by said torque motor means and a ball nut means comprising an enclosed housing containing a plurality of balls therein for engagement with said spiral grooves of said shaft, and being secured to said respective movable carriage portion and receiving said ball screw shaft means therethrough for converting rotary movement of said screw shaft into linear movement of said movable carriage portion and respective package roll carried thereby; and means contained within said housing and associated with each of said respective package rolls and associated carriage means for compensating for forces introduced as a result of the inclined linear paths of travel of said package rolls; whereby said respective variable torque reversible motor means can drive said package rolls linearly toward and away from said drive roll for start-up and doffing by driving said movable carriage portions in the desired Direction and can hold said package rolls and the thread cores thereon in frictional peripheral driving engagement with said drive roll and maintain predetermined pressure relationships between said rolls for thread winding by driving said movable carriage portions and said package rolls in a direction toward said drive roll so that the linear movement of said package rolls away from said drive roll during build-up of a thread package will overcome the driving force of said torque motor means and cause said torque motor means to be back driven.