Non-head shearing and clamping device of flat knitting machine

Abstract

The utility model provides a non-thread-end shearing and clamping device of a flat knitting machine, which comprises a power transmission device and a shearing and clamping device, thread ends can be automatically sheared off after gloves are spun, and the sheared thread ends are conveyed to a specified position for continuous spinning, so that the labor is saved, and the production efficiency is improved; thread residues are not left, and materials are saved; the spring piece has certain elastic force and has lateral pulling force on the fixing bolt, the pulling force enables the first shear blade and the second shear blade to be attached better, and thread trimming is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of textile machinery, in particular to a wireless head shearing and clamping device for a flat knitting machine. Background Art

[0002] After the existing small-scale glove weaving machines have finished weaving gloves, there is usually a section of thread left outside, which needs to be trimmed manually, which is inefficient and causes great labor costs and waste of materials. Utility Model Content

[0003] In view of the defects of the existing glove weaving machines, the technical problem to be solved by the utility model is to provide a flat knitting machine thread-free cutting and clamping device which can automatically cut thread ends and return the thread ends to a specified position, has high production efficiency and saves costs.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, the utility model is realized by the following technical measures: a flat knitting machine wireless head shearing and clamping device, comprising a power transmission device and a shearing and clamping device,

[0005] The power transmission device comprises a displacement motor, a roller motor, a sliding shaft, and a roller. The displacement motor and the roller motor are respectively fixed on the displacement motor fixing block and the roller motor fixing block through fixing plates. The displacement motor fixing block and the roller motor fixing block are each provided with two through holes, and are sleeved on the sliding shaft and the roller through the through holes; the displacement motor is provided with a displacement gear, and the displacement gear is connected to a rack I. The sliding shaft is provided with a slide rail I, and the rack I is sleeved in the slide rail I; the roller motor is connected to the roller and drives the roller to rotate, and the roller is provided with a slide rail II;

[0006] The shear clamp device includes a shear clamp fixing block, a fixing plate, a wire clamp, a wire hook, a scissors frame, a scissors blade, and a lever plate. The shear clamp fixing block is provided with a through hole and a gear groove. The shear clamp fixing block is sleeved on the sliding shaft and the roller through the through hole. A wire hook gear is provided in the gear groove; the wire hook gear is provided with an inner hole and sleeved on the roller. A convex block is provided in the inner hole. The convex block is stuck in the slide rail II. The roller drives the wire hook gear to rotate through the slide rail II and the convex block; a rack II is fixed on the wire hook. The rack II is meshed with the wire hook gear. The rack II A guide groove is provided on it, and a protrusion is provided in the middle of the guide groove; the fixed plate is fixed on the shear clamp fixing block, and a limit groove I is provided on the fixed plate, and a limit groove II is provided on the wire hook, and a limit block I and a limit block II are provided on the wire clamp, and the limit block I and the limit block II are respectively arranged in the limit groove I and the limit groove II; the scissors frame is fixed on the shear clamp fixing block, and the scissor blades and the lever blades are connected to the scissors frame, and the tail of one of the scissor blades is connected to one end of the lever blade through a connecting bolt, and the other end of the lever blade is connected to the guide groove through a guide column.

[0007] Furthermore, the roller motor is provided with a gear I, the gear I is meshed with a gear II, and the gear II is connected to the roller.

[0008] Furthermore, a displacement motor bearing and a roller motor bearing are respectively disposed in the through holes of the displacement motor fixing block and the roller motor fixing block, and the displacement motor bearing and the roller motor bearing are sleeved on the roller.

[0009] Furthermore, there are two wire clips and two wire hooks, which are respectively arranged on both sides of the scissors frame, and a protrusion is provided at the tail of the wire hook.

[0010] Furthermore, the wire hook is provided with an opening capable of accommodating a spring and a wire clamp, the spring is connected to the wire hook, a round hole is provided at the tail of the wire clamp, the round hole supports the spring, and the wire clamp is connected to the wire hook through the spring.

[0011] Furthermore, the scissor frame is connected to the scissor clamp fixing block through a fixing hole, the scissor blade has two pieces, the scissor blade I and the scissor frame are fixedly connected through a screw hole, the scissor blade II and the scissor frame are connected through a fixing bolt, and the tail of the scissor blade II and the lever blade are connected through a connecting bolt.

[0012] Furthermore, the shearing and clamping device also includes a spring sheet, a round hole is provided at the tail of the spring sheet, the tail of the spring sheet is connected to the scissors frame through the round hole, an opening is provided at the head of the spring sheet, and the opening at the head of the spring sheet is connected to the fixing bolt.

[0013] Compared with the prior art, the utility model has the following advantages: the thread-free cutting and clamping device of the flat knitting machine can automatically cut the thread ends after weaving the gloves and send the cut thread ends to the designated position for further weaving, thus saving labor and increasing production efficiency; the thread ends are not left behind, thus saving materials; the spring sheet has a certain elastic force and exerts a lateral pulling force on the fixing bolt, and the pulling force makes the first scissor blade and the second scissor blade fit more closely, and the thread cutting is more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of a wireless head shearing and clamping device for a flat knitting machine according to the utility model;

[0016] Figure 2 It is a partial schematic diagram of a wireless head shearing and clamping device for a flat knitting machine according to the utility model;

[0017] Figure 3 It is a schematic diagram of the exploded structure of the shearing and clamping device described in the utility model;

[0018] Figure 4 The figure is a schematic diagram of the exploded structure of the wire clamping device described in the utility model.

[0019] Explanation of the reference numerals in the accompanying drawings: 1. displacement motor; 2. displacement motor fixing block; 3. displacement motor fixing plate; 4. displacement gear; 5. rack I; 6. sliding shaft; 7. slide rail I; 8. roller motor; 9. roller motor fixing block; 10. roller motor fixing plate; 11. roller; 12. slide rail II; 13. gear I; 14. gear II; 15. shear clamp fixing block; 16. scissors frame; 17. wire clamp; 18. wire hook; 19. wire hook gear; 20. rack II; 21. fixing plate; 22. limit block I; 23. limit block II; 24. limit groove I; 25. limit groove II; 26. guide groove; 27. protrusion; 28. scissor blade I; 29. ​​scissor blade II; 30. lever plate; 31. guide column; 32. spring plate; 33. fixing bolt. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0021] In the description of the present utility innovation, it should be understood that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "bottom", "top", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present utility innovation and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility innovation.

[0022] Please refer to Figure 1-Figure 4, a wireless head shearing and clamping device for a flat knitting machine provided in this embodiment includes a power transmission device and a shearing and clamping device; the power transmission device includes a displacement motor 1, a roller motor 8, a displacement motor fixing block 2, a roller motor fixing block 9, a sliding shaft 6, and a roller 11. The displacement motor fixing block 2 is provided with two through holes, one through hole is sleeved on the sliding shaft 6, and the other through hole is sleeved on the displacement motor 1 bearing, and the bearing hole of the displacement motor 1 bearing is sleeved on the roller 11; the roller motor fixing block 9 is provided with two through holes, one through hole is sleeved on the sliding shaft 6, and the other through hole is sleeved on the roller motor 8 bearing, and the bearing hole of the roller motor 8 bearing is sleeved on the roller 11; the displacement motor fixing sheet 3 is connected to the displacement motor fixing block 2, and the displacement motor 1 is in contact with the displacement motor 1. The motor fixing plate 21 is connected, the displacement motor 1 is provided with a displacement gear 4, the displacement gear 4 is connected to the rack Ⅰ5, the sliding shaft 6 is provided with a slide rail Ⅰ7, and the rack Ⅰ5 is sleeved in the slide rail Ⅰ7; the roller motor fixing plate 10 is connected to the roller motor fixing block 9, the roller motor 8 is connected to the roller motor fixing plate 10, and the roller motor 8 is provided with a gear Ⅰ13, the gear Ⅰ13 and the gear Ⅱ14 are meshed, and the gear Ⅱ14 is connected to the roller 11; the shearing and clamping device includes a shearing and clamping fixing block 15, a wire clamping device, a scissors frame 16, a scissors blade, and a lever sheet 30. The wire clamping device includes a fixing plate 21, a wire clamp 17, a wire hook 18, and a wire hook gear 19. There are two wire clamping devices, which are respectively arranged on both sides of the scissors frame 16. The shearing and clamping fixing block 15 is provided with two through holes, and the shearing and clamping fixing block 15 is provided with two through holes. The fixed block 15 is provided with two gear grooves, and the gear groove is placed in the wire hook gear 19. The wire hook gear 19 is divided into a left gear and a right gear. The left and right gears are provided with inner holes, and the inner holes are provided with protrusions. The sliding shaft 6 and the roller 11 pass through the two through holes of the shear clamp fixing block 15 and pass through the inner holes of the left and right gears. The roller 11 is provided with a slide rail Ⅱ12, and the protrusions of the left and right gears are connected to the slide rail Ⅱ12 of the roller 11; the left and right gears are respectively provided with a rack Ⅱ20 meshing therewith, and the rack Ⅱ20 is connected to the wire hook 18 through a connecting hole. A protrusion 27 is provided at the tail of the wire hook 18 for limiting, and a hook claw is provided at the head of the wire hook 18. The wire hook 18 is provided with an opening and a limiting groove Ⅱ25 that can accommodate the right spring and the right wire clamp 17, and the head of the wire clamp 17 is provided with an opening that can The wire end is clamped by engaging with the hook claw of the wire hook 18. The wire clamp 17 is provided with a limit block I 22 and a limit block II 23 at the top and bottom respectively. The wire hook 18 is connected to the spring. A round hole is provided at the tail of the wire clamp 17. The round hole at the tail of the wire clamp 17 supports the spring. The wire clamp 17 is connected to the wire hook 18 through the spring. The limit block II 23 at the bottom of the wire clamp 17 is arranged in the limit groove II 25 of the wire hook 18. The rack II 20 on the right side of the scissors frame 16 is provided with a guide groove 26, and a protrusion 27 is provided in the middle of the guide groove 26. After the rack and the wire hook 18 are placed in the shear clamp fixing block 15, the fixing plate 21 is connected to the shear clamp fixing block 15, and a limit groove I 24 is provided on the fixing plate 21. The limit block I 22 at the top of the wire clamp 17 is arranged in the limit groove I 24 on the fixing plate 21;The scissor frame 16 is connected to the shear clamp fixing block 15 through the fixing hole, the scissor blade I 28 is fixedly connected to the scissor frame 16 through the screw hole, the scissor blade II 29 is connected to the scissor frame 16 through the fixing bolt 33, the tail of the scissor blade II 29 is connected to the lever blade 30 through the connecting bolt, the lever blade 30 is connected to the guide groove 26 on the rack II 20 on the right side of the scissor frame 16 through the guide column 31, and the scissor frame is also provided with a spring blade 32, the tail of the spring blade 32 is provided with a round hole, the head is provided with an opening, the spring blade 32 is connected to the scissor frame through the round hole at the tail, and the head opening of the spring blade 32 is connected to the fixing bolt 33. ;

[0023] The embodiment provides a non-thread shearing and clamping device for a flat knitting machine. The displacement motor 1 rotates to drive the displacement gear 4 to rotate. The displacement gear 4 drives the rack to move in the slide rail Ⅰ7 of the sliding shaft 6, so that the shearing and clamping device moves to the specified position. The roller motor 8 drives the gear Ⅰ13 to rotate, and the meshing of the gear Ⅰ13 and the gear Ⅱ14 drives the roller 11 to rotate. The roller 11 drives the wire hook gear 19 to rotate through the slide rail Ⅱ12 and the protrusion. The wire hook gear 19 drives the rack Ⅱ20 to move downward, and the rack Ⅱ20 drives the wire hook 18 and the wire clamp 17 to move downward. The limit block Ⅰ22 at the top of the wire clamp 17 hits the limit groove Ⅰ24 of the fixing plate 21 and cannot move downward further. At this time, the wire hook 18 continues to move downward so that the hook claw becomes open. After the wire hook 18 hooks the thread head, the roller motor 8 rotates in the opposite direction to drive the wire hook 18 to move upward. When the wire clamp 17 After the opening and the hook claws of the right wire hook 18 clamp the thread end, the wire hook 18 pushes the limit block Ⅱ23 at the bottom of the wire clamp 17 through the limit groove Ⅱ25 to move upward with the wire clamp 17. When the guide column 31 moves to the middle of the guide groove 26 in the right rack Ⅱ20, due to the protrusion 27 in the middle of the guide groove 26, the end of the lever piece 30 connected to the guide column 31 is lifted, and then the end of the lever piece 30 connected to the scissor piece Ⅱ29 is pressed down, so that the tail of the scissor piece Ⅱ29 is pressed down, and then the scissor piece Ⅱ29 and the scissor piece Ⅰ28 are displaced and staggered, and the scissors are opened. After the wire hook 18 and the wire clamp 17 drive the thread end to continue to move to the open part of the scissors, the guide column 31 leaves the protrusion 27 of the guide groove 26, and then the scissors are closed to the original position, and the thread end is cut. At this time, the wire hook 18 and the wire clamp 17 that clamp the thread end can continue to move to the specified position to release the thread end and continue textile work. The present invention discloses a thread-free cutting and clamping device for a flat knitting machine. After the gloves are woven, the thread ends can be automatically cut off and the cut thread ends can be sent to a designated position for further weaving, thereby saving labor and increasing production efficiency. The thread ends are not left behind, thus saving materials. The spring sheet 32 ​​has a certain elastic force and exerts a lateral pulling force on the fixing bolt 33, and the pulling force makes the scissor blades I 28 and II 29 fit more closely and the thread cutting is more efficient.

[0024] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model may have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flat knitting machine wireless head shearing and clamping device, comprising: The power transmission device and the shearing and clamping device are characterized by: The power transmission device comprises a displacement motor, a roller motor, a sliding shaft, and a roller. The displacement motor and the roller motor are respectively fixed on the displacement motor fixing block and the roller motor fixing block through fixing plates. The displacement motor fixing block and the roller motor fixing block are each provided with two through holes, and are sleeved on the sliding shaft and the roller through the through holes; the displacement motor is provided with a displacement gear, and the displacement gear is connected to a rack I. The sliding shaft is provided with a slide rail I, and the rack I is sleeved in the slide rail I; the roller motor is connected to the roller and drives the roller to rotate, and the roller is provided with a slide rail II; The shear clamp device includes a shear clamp fixing block, a fixing plate, a wire clamp, a wire hook, a scissors frame, a scissors blade, and a lever plate. The shear clamp fixing block is provided with a through hole and a gear groove. The shear clamp fixing block is sleeved on the sliding shaft and the roller through the through hole. A wire hook gear is provided in the gear groove; the wire hook gear is provided with an inner hole and sleeved on the roller. A convex block is provided in the inner hole. The convex block is stuck in the slide rail II. The roller drives the wire hook gear to rotate through the slide rail II and the convex block; a rack II is fixed on the wire hook. The rack II is meshed with the wire hook gear. The rack II A guide groove is provided on it, and a protrusion is provided in the middle of the guide groove; the fixed plate is fixed on the shear clamp fixing block, and a limit groove I is provided on the fixed plate, and a limit groove II is provided on the wire hook, and a limit block I and a limit block II are provided on the wire clamp, and the limit block I and the limit block II are respectively arranged in the limit groove I and the limit groove II; the scissors frame is fixed on the shear clamp fixing block, and the scissor blades and the lever blades are connected to the scissors frame, and the tail of one of the scissor blades is connected to one end of the lever blade through a connecting bolt, and the other end of the lever blade is connected to the guide groove through a guide column.

2. The wireless headless shearing and clamping device for a flat knitting machine according to claim 1, characterized in that: The roller motor is connected to gear I, the gear I is meshed with gear II, and the gear II is connected to the roller.

3. The wireless headless shearing and clamping device for a flat knitting machine according to claim 1 or 2, characterized in that: A displacement motor bearing and a roller motor bearing are respectively arranged in the through holes of the displacement motor fixing block and the roller motor fixing block, and the displacement motor bearing and the roller motor bearing are sleeved on the roller.

4. The wireless headless shearing and clamping device for a flat knitting machine according to claim 1, characterized in that: There are two wire clips and two wire hooks respectively, which are arranged on both sides of the scissors frame, and a protrusion is arranged at the tail of the wire hook.

5. The wireless headless shearing and clamping device for a flat knitting machine according to claim 4, characterized in that: The wire hook is provided with an opening capable of accommodating a spring and a wire clamp, the spring is connected to the wire hook, a round hole is provided at the tail of the wire clamp, the round hole supports the spring, and the wire clamp is connected to the wire hook through the spring.

6. The wireless headless shearing and clamping device for a flat knitting machine according to claim 1, characterized in that: The scissor frame is connected through a fixing hole and a shear clamp fixing block. The scissor blade has two pieces. The scissor blade I and the scissor frame are fixedly connected through a screw hole, and the scissor blade II and the scissor frame are connected through a fixing bolt. The tail of the scissor blade II and the lever blade are connected through a connecting bolt.

7. The wireless headless shearing and clamping device for a flat knitting machine according to claim 1, characterized in that: The shearing and clamping device also includes a spring sheet, a round hole is provided at the tail of the spring sheet, the tail of the spring sheet is connected to the scissors frame through the round hole, an opening is provided at the head of the spring sheet, and the opening at the head of the spring sheet is connected to the fixing bolt.

Images