CN113151969A - Roller driving device in flat knitting machine - Google Patents
Roller driving device in flat knitting machine Download PDFInfo
- Publication number
- CN113151969A CN113151969A CN202110532655.3A CN202110532655A CN113151969A CN 113151969 A CN113151969 A CN 113151969A CN 202110532655 A CN202110532655 A CN 202110532655A CN 113151969 A CN113151969 A CN 113151969A
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- CN
- China
- Prior art keywords
- opening
- closing
- supporting seat
- driving
- roller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/88—Take-up or draw-off devices for knitting products
- D04B15/90—Take-up or draw-off devices for knitting products for flat-bed knitting machines
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/94—Driving-gear not otherwise provided for
- D04B15/96—Driving-gear not otherwise provided for in flat-bed knitting machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention discloses a roller driving device in a flat knitting machine, which comprises two rollers arranged in parallel, wherein two ends of each roller are respectively provided with a group of supporting seats, each group of supporting seats comprises a first supporting seat and a second supporting seat, and the first supporting seat and the second supporting seat are respectively in rotating connection with the two rollers; the first supporting seat and the second supporting seat in the same group are mutually meshed through an arc-shaped tooth-shaped structure; one end of each roller is provided with an opening and closing component for driving the two rollers to open and close, and the other end of each roller is provided with a driving component for driving the two rollers to rotate; the driving assembly comprises a driving motor, a transmission connecting shaft and a universal coupling, the driving motor is connected with the transmission connecting shaft through a transmission gear set, and the transmission connecting shaft is fixedly connected with the two rollers through the universal coupling to drive the two rollers to rotate. The universal coupling is used for replacing the existing crosshead shoe coupling, the universality is strong, the integral structure is compact, the functionality is complete, the reliability is greatly enhanced, and the service life is prolonged.
Description
Technical Field
The invention belongs to the technical field of knitting machinery, and particularly relates to a roller driving device in a flat knitting machine.
Background
The roller device is an indispensable part on the computer flat knitting machine, and the lower roller device can clamp and draw the knitted fabric downwards in the knitting process. In the rising process of the starting plate of the computer flat knitting machine, the lower roller is required to be opened in a matched mode, a space enough for the starting plate to rise is provided, and after the starting plate descends, the lower roller can be closed and restored to the original state. The lower roller device needs to be opened and closed in the working process, most of the existing roller opening and closing structures are complex in structure, and the problems of unstable performance, large volume, high production cost, inconvenience in maintenance and the like exist.
The lower roller device adopts a thick roller or a thin roller according to the requirements of fabrics, the gap is not adjustable, the universality is not strong, and the replacement is troublesome. The roller gap is adjusted by the aid of the cross-shaped sliding block coupling in part of the lower roller devices, but the cross-shaped sliding block coupling is easy to separate or wear, the adjusting range is limited, the roller devices are required to be replaced according to different gaps among the roller rollers, and replacement is troublesome.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a roller driving device in a flat knitting machine, which has a simple structure, can adjust a roller gap, and has enhanced versatility.
Therefore, the technical scheme of the invention is as follows: roller drive arrangement in flat-bed machine, including two rollers of parallel arrangement, its characterized in that: a group of supporting seats are arranged at the two ends of the roller, each group of supporting seats comprises a first supporting seat and a second supporting seat, and the first supporting seat and the second supporting seat are respectively in rotating connection with the two rollers; the first supporting seat and the second supporting seat in the same group are mutually meshed through an arc-shaped tooth-shaped structure, and the two second supporting seats are fixedly connected through an opening and closing connecting shaft; one end of each roller is provided with an opening and closing component for driving the two rollers to open and close, and the other end of each roller is provided with a driving component for driving the two rollers to rotate; the driving assembly comprises a driving motor, a transmission gear set, a transmission connecting shaft and a universal coupling, the driving motor is connected with the transmission connecting shaft through the transmission gear set, and the transmission connecting shaft is fixedly connected with two rollers through the universal coupling to drive the two rollers to rotate.
Preferably, the driving assembly further comprises a driving motor base and a bearing seat which are fixed into a whole, the driving motor is mounted on the driving motor base, the transmission gear set comprises a driving gear, a first driven gear and a second driven gear, and the first driven gear is meshed with the driving gear and the second driven gear respectively; the driving gear is installed on a motor shaft of the driving motor, two through holes are formed in the bearing seat, a second bearing is arranged in the through holes, the transmission connecting shaft penetrates through the second bearing, a first driven gear and a second driven gear are installed at one end of the transmission connecting shaft, and the other end of the transmission connecting shaft is fixedly connected with the universal coupling.
Preferably, the opening and closing assembly comprises an opening and closing motor, an opening and closing motor base, an opening and closing gear set and an opening and closing cam, the opening and closing motor is installed on the opening and closing motor base, the opening and closing motor drives the opening and closing cam through the opening and closing gear set, a swing arm is arranged below a first supporting seat at the same end of the opening and closing assembly, a first bearing is installed on the swing arm, a tension spring is arranged between the swing arm and the opening and closing motor base, and the tension spring enables the first bearing to be abutted to the outer contour of the opening and closing cam; the opening and closing cam rotates, the swing arm drives the first supporting seat to rotate, the second supporting seat is driven to rotate through the mutually meshed arc-shaped tooth-shaped structures, and the two rollers are opened or closed.
Preferably, the opening and closing gear set comprises an opening and closing driving gear and an opening and closing driven gear which are meshed with each other, the opening and closing driving gear is installed on a motor shaft of the opening and closing motor, the opening and closing driven gear and the opening and closing cam are coaxially fixed, and the opening and closing driven gear is rotatably installed on the opening and closing motor base.
Preferably, the subassembly that opens and shuts still includes micro-gap switch, and micro-gap switch installs on the motor cabinet that opens and shuts, is located the cam top that opens and shuts.
Preferably, the upper and lower ends of the first supporting seat and the second supporting seat are respectively provided with a mounting hole, the mounting hole below the second supporting seat is fixedly provided with an opening and closing connecting shaft, and the upper ends of the first supporting seat and the second supporting seat at the same end of the opening and closing assembly are rotatably connected with the roller through the first connecting shaft; and third bearings are arranged in the mounting holes at the upper ends of the first supporting seat and the second supporting seat at the same end of the driving assembly, the second connecting shaft penetrates through the third bearings, one end of the second connecting shaft is fixedly connected with the roller, and the other end of the second connecting shaft is fixedly connected with the universal coupling.
When the fabric is drawn, the driving component drives the two rollers to rotate. The driving motor drives the driving gear, the driving gear drives the first driven gear and the second driven gear which are meshed with each other to synchronously and reversely rotate, and the first driven gear and the second driven gear drive the two rollers to synchronously and reversely rotate through the transmission connecting shaft, the universal coupling and the second connecting shaft and are used for drawing the fabric. The universal coupling can utilize the characteristics of the mechanism thereof, when the transmission connecting shaft and the second connecting shaft are not on the same axis, the continuous rotation of the two connected shafts is still realized, and the torque and the motion are reliably transmitted.
When the lifting plate is to ascend, the opening and closing assembly drives the two rollers to open, and when the lifting plate finishes working, the opening and closing assembly drives the two rollers to close. The motor that opens and shuts drives the driving gear that opens and shuts and the driven gear that opens and shuts of intermeshing, the driven gear that opens and shuts and the coaxial fixed of cam that opens and shuts, thereby drive the cam that opens and shuts, first bearing and the outline looks butt of the cam that opens and shuts, when the cam that opens and shuts rotates, first bearing changes with the distance at the cam center that opens and shuts, make the first supporting seat that has the swing arm rotate, and through arc dentate structure intermeshing between first supporting seat and the second supporting seat, so first supporting seat drives the second supporting seat and rotates, and drive the first supporting seat of the roller other end through the connecting axle that opens and shuts, the second supporting seat, thereby drive two rollers and open or be closed.
The universal coupling is used for replacing the existing crosshead shoe coupling, the universality is strong, the sizes of the rollers do not need to be distinguished, the gap between the two rollers can be adjusted, the overall structure is compact, the functionality is complete, the reliability is greatly enhanced, and the service life is prolonged.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
FIG. 1 is a schematic structural view of the present invention;
FIGS. 2 and 3 are exploded views of components at both ends of the present invention;
FIG. 4 is a side view of the structure of the present invention;
fig. 5 is an exploded view of the components of the opening and closing assembly of the present invention.
Labeled as: first roller 1, second roller 2, first supporting seat 3, second supporting seat 4, arc dentate structure 5, the connecting axle 6 that opens and shuts, first connecting axle 7, third bearing 8, second connecting axle 9, universal joint 10, driving motor 11, transmission connecting axle 12, driving motor seat 13, bearing frame 14, driving gear 15, first driven gear 16, second driven gear 17, retaining ring 18, the motor seat 19 that opens and shuts, the motor 20 that opens and shuts, the cam 21 that opens and shuts, micro-gap switch 22, the driving gear 23 that opens and shuts, the driven gear 24 that opens and shuts, swing arm 25, first bearing 26, first extension spring 27, pivot 28, fourth bearing 29, second extension spring 30.
Detailed Description
See the drawings. The roller transmission mechanism comprises a first roller 1 and a second roller 2 which are arranged in parallel, wherein a first supporting seat 3 is arranged at two ends of the first roller, a second supporting seat 4 is arranged at two ends of the second roller, the first supporting seat and the second supporting seat which are positioned at the same end are mutually meshed through an arc-shaped tooth-shaped structure 5, and the two second supporting seats are fixedly connected through an opening and closing connecting shaft 6, so that two ends of the rollers can be synchronously opened and closed; the upper and lower ends of the first supporting seat and the second supporting seat are respectively provided with a mounting hole, the mounting hole below the second supporting seat is used for fixing an opening and closing connecting shaft 6, and the upper ends of the first supporting seat and the second supporting seat at the same end of the opening and closing assembly are rotatably connected with the two rollers through a first connecting shaft 7; and third bearings 8 are arranged in mounting holes at the upper ends of the first supporting seat and the second supporting seat at the same end of the driving assembly, a second connecting shaft 9 penetrates through the third bearings 8, one end of the second connecting shaft is fixedly connected with the roller, and the other end of the second connecting shaft is fixedly connected with a universal coupling 10. The first supporting seat and the second supporting seat are fixed on the frame.
One end of each roller is provided with an opening and closing component for driving the two rollers to open and close, and the other end of each roller is provided with a driving component for driving the two rollers to rotate.
The driving assembly comprises a driving motor 11, a transmission gear set, a transmission connecting shaft 12, a universal coupling 10, a driving motor base 13 and a bearing seat 14, the driving motor base 13 and the bearing seat 14 are fixed into a whole, the bearing seat is fixed on a needle bed base, the driving motor 11 is arranged on the driving motor base 13, the transmission gear set comprises a driving gear 15, a first driven gear 16 and a second driven gear 17, and the first driven gear is respectively meshed with the driving gear and the second driven gear; the driving gear 15 is installed on a motor shaft of the driving motor 11, two through holes are formed in the bearing seat 14, a second bearing is arranged in each through hole, the transmission connecting shaft 12 penetrates through the second bearing, a first driven gear 16 and a second driven gear 17 are installed at one end of the second bearing and fixed through a check ring 18, the other end of the second bearing is fixedly connected with one end of each of the two universal couplings 10, and the other ends of the two universal couplings are fixedly connected with two rollers through second connecting shafts 9 respectively to drive the first rollers 1 and the second rollers 2 to rotate synchronously. And a second tension spring 30 is arranged below the first supporting seat at the same end of the driving assembly, one end of the second tension spring is fixed on the first supporting seat at the same end of the driving assembly, the other end of the second tension spring is fixed on the frame, and the second tension spring 30 can ensure the stress balance of the two ends of the roller.
The opening and closing assembly comprises an opening and closing motor base 19, an opening and closing motor 20, an opening and closing gear set, an opening and closing cam 21 and a microswitch 22, wherein the opening and closing motor 20 is installed on the opening and closing motor base 19, the opening and closing gear set comprises an opening and closing driving gear 23 and an opening and closing driven gear 24 which are mutually meshed, the opening and closing driving gear 23 is installed on a motor shaft of the opening and closing motor 20, the opening and closing driven gear 24 and the opening and closing cam 21 are fixed into a whole and are rotatably installed on a rotating shaft 28 of the opening and closing motor base, and a fourth bearing 29 is arranged between the opening and closing driven gear 24 and the opening and closing cam 21 as well as the rotating shaft; the opening and closing motor drives the opening and closing cam through the opening and closing gear set, a swing arm 25 is arranged below the first support seat at the same end of the opening and closing assembly, a first bearing 26 is arranged on the swing arm, a first tension spring 27 is arranged between the swing arm and the opening and closing motor seat, and the first tension spring 27 enables the first bearing 26 to be always abutted to the outer contour of the opening and closing cam 21; when the opening and closing cam 21 rotates, the swing arm drives the first supporting seat to rotate, and the second supporting seat is driven to rotate through the mutually meshed arc-shaped tooth-shaped structures, so that the two rollers are driven to be opened or closed. The micro switch 22 is installed on the opening and closing motor base and located above the opening and closing cam 21, and the micro switch senses the opening and closing positions of the two rollers.
When the fabric is drawn, the driving component drives the two rollers to rotate. The driving motor 11 drives the driving gear 15, the driving gear drives the first driven gear 16 and the second driven gear 17 which are meshed with each other to synchronously and reversely rotate, and the first driven gear and the second driven gear drive the two rollers to synchronously and reversely rotate through the transmission connecting shaft 12, the universal coupling 10 and the second connecting shaft 9 for drawing the fabric. The universal joint can utilize the characteristics of the mechanism thereof, when the transmission connecting shaft 12 and the second connecting shaft 9 are not on the same axis, the continuous rotation of the two connected shafts is still realized, and the torque and the movement are reliably transmitted.
When the lifting plate is to ascend, the opening and closing assembly drives the two rollers to open, and when the lifting plate finishes working, the opening and closing assembly drives the two rollers to close. The opening and closing motor 20 drives the mutually-meshed opening and closing driving gear 23 and the mutually-meshed opening and closing driven gear 24, the opening and closing driven gear is coaxially fixed with the opening and closing cam, so that the opening and closing cam 21 is driven, the first bearing 26 is abutted to the outer contour of the opening and closing cam 21, when the opening and closing cam rotates, the distance between the first bearing 26 and the center of the opening and closing cam 21 is changed, the first supporting seat with the swing arm is driven to rotate, the first supporting seat and the second supporting seat are mutually engaged through an arc-shaped tooth-shaped structure, so that the first supporting seat drives the second supporting seat to rotate, the first supporting seat and the second supporting seat drive the other end of the roller through the opening and closing connecting shaft, so that the two rollers are driven to be opened or closed through the first connecting shaft, and the two ends of the roller are kept consistent through the opening and closing connecting shaft.
Claims (6)
1. Roller drive arrangement in flat-bed machine, including two rollers of parallel arrangement, its characterized in that: a group of supporting seats are arranged at the two ends of the roller, each group of supporting seats comprises a first supporting seat and a second supporting seat, and the first supporting seat and the second supporting seat are respectively in rotating connection with the two rollers; the first supporting seat and the second supporting seat in the same group are mutually meshed through an arc-shaped tooth-shaped structure, and the two second supporting seats are fixedly connected through an opening and closing connecting shaft; one end of each roller is provided with an opening and closing component for driving the two rollers to open and close, and the other end of each roller is provided with a driving component for driving the two rollers to rotate; the driving assembly comprises a driving motor, a transmission gear set, a transmission connecting shaft and a universal coupling, the driving motor is connected with the transmission connecting shaft through the transmission gear set, and the transmission connecting shaft is fixedly connected with two rollers through the universal coupling to drive the two rollers to rotate.
2. The roller driving device in the flat knitting machine according to claim 1, characterized in that: the driving assembly further comprises a driving motor base and a bearing seat which are fixed into a whole, the driving motor is installed on the driving motor base, the transmission gear set comprises a driving gear, a first driven gear and a second driven gear, and the first driven gear is meshed with the driving gear and the second driven gear respectively; the driving gear is installed on a motor shaft of the driving motor, two through holes are formed in the bearing seat, a second bearing is arranged in the through holes, the transmission connecting shaft penetrates through the second bearing, a first driven gear and a second driven gear are installed at one end of the transmission connecting shaft, and the other end of the transmission connecting shaft is fixedly connected with the universal coupling.
3. The roller driving device in the flat knitting machine according to claim 1, characterized in that: the opening and closing assembly comprises an opening and closing motor, an opening and closing motor base, an opening and closing gear set and an opening and closing cam, the opening and closing motor is installed on the opening and closing motor base, the opening and closing motor drives the opening and closing cam through the opening and closing gear set, a swing arm is arranged below a first supporting seat at the same end of the opening and closing assembly, a first bearing is installed on the swing arm, a tension spring is arranged between the swing arm and the opening and closing motor base, and the tension spring enables the first bearing to be abutted to the outer contour of the opening and closing cam; the opening and closing cam rotates, the swing arm drives the first supporting seat to rotate, the second supporting seat is driven to rotate through the mutually meshed arc-shaped tooth-shaped structures, and the two rollers are opened or closed.
4. The roller driving device in the flat knitting machine according to claim 3, characterized in that: the opening and closing gear set comprises an opening and closing driving gear and an opening and closing driven gear which are meshed with each other, the opening and closing driving gear is installed on a motor shaft of the opening and closing motor, the opening and closing driven gear and the opening and closing cam are coaxially fixed, and the opening and closing driven gear is rotatably installed on an opening and closing motor base.
5. The roller driving device in the flat knitting machine according to claim 3, characterized in that: the opening and closing assembly further comprises a microswitch, and the microswitch is installed on the opening and closing motor base and is located above the opening and closing cam.
6. The roller driving device in the flat knitting machine according to claim 1, characterized in that: the upper ends and the lower ends of the first supporting seat and the second supporting seat are respectively provided with a mounting hole, the mounting hole below the second supporting seat is used for fixing the opening and closing connecting shaft, and the upper ends of the first supporting seat and the second supporting seat at the same end of the opening and closing assembly are rotatably connected with the roller through the first connecting shaft; and third bearings are arranged in the mounting holes at the upper ends of the first supporting seat and the second supporting seat at the same end of the driving assembly, the second connecting shaft penetrates through the third bearings, one end of the second connecting shaft is fixedly connected with the roller, and the other end of the second connecting shaft is fixedly connected with the universal coupling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110532655.3A CN113151969A (en) | 2021-05-17 | 2021-05-17 | Roller driving device in flat knitting machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110532655.3A CN113151969A (en) | 2021-05-17 | 2021-05-17 | Roller driving device in flat knitting machine |
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CN113151969A true CN113151969A (en) | 2021-07-23 |
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ID=76876353
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CN202110532655.3A Pending CN113151969A (en) | 2021-05-17 | 2021-05-17 | Roller driving device in flat knitting machine |
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CN (1) | CN113151969A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204224822U (en) * | 2014-10-24 | 2015-03-25 | 绍兴文理学院元培学院 | A kind of roller device for opening |
CN204702901U (en) * | 2015-06-02 | 2015-10-14 | 新昌县万事兴机械有限公司 | A kind of roller device of Computerized flat knitting machine |
CN206052298U (en) * | 2016-08-30 | 2017-03-29 | 宁波梦之星针织机械科技有限公司 | The main roller device of flat machine |
CN206438260U (en) * | 2017-01-23 | 2017-08-25 | 汕头市连兴实业有限公司 | A kind of double roller components of long style |
CN112342678A (en) * | 2020-12-01 | 2021-02-09 | 江苏金龙科技股份有限公司 | Discharging roller device of computerized flat knitting machine |
CN213172830U (en) * | 2019-12-19 | 2021-05-11 | 浙江必沃智能纺织设备有限公司 | Flat knitting machine and roller opening and closing mechanism thereof |
-
2021
- 2021-05-17 CN CN202110532655.3A patent/CN113151969A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204224822U (en) * | 2014-10-24 | 2015-03-25 | 绍兴文理学院元培学院 | A kind of roller device for opening |
CN204702901U (en) * | 2015-06-02 | 2015-10-14 | 新昌县万事兴机械有限公司 | A kind of roller device of Computerized flat knitting machine |
CN206052298U (en) * | 2016-08-30 | 2017-03-29 | 宁波梦之星针织机械科技有限公司 | The main roller device of flat machine |
CN206438260U (en) * | 2017-01-23 | 2017-08-25 | 汕头市连兴实业有限公司 | A kind of double roller components of long style |
CN213172830U (en) * | 2019-12-19 | 2021-05-11 | 浙江必沃智能纺织设备有限公司 | Flat knitting machine and roller opening and closing mechanism thereof |
CN112342678A (en) * | 2020-12-01 | 2021-02-09 | 江苏金龙科技股份有限公司 | Discharging roller device of computerized flat knitting machine |
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Application publication date: 20210723 |