Clamping and shearing device of flat knitting machine

Abstract

The utility model provides a clamping and shearing device of a flat knitting machine, which comprises a transverse moving structure and a pushing structure, the pushing structure is fixed on the transverse moving structure, and the transverse moving structure is used for moving the pushing structure to a chuck / shear head and resetting. The pushing structure is used for driving the chuck / scissor head to perform thread clamping or trimming operation and resetting after the operation is completed, the pushing structure replaces a machine head to complete thread clamping and trimming operation, especially when multicolor gloves are knitted, the machine head does not need to repeatedly move to the thread end to perform thread clamping and trimming operation, and the working efficiency of the flat knitting machine is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of horizontal braiding machine equipment, specifically a clamping and shearing device for a horizontal braiding machine. Background Technology

[0002] As people's living conditions continue to improve, their demand for aesthetics and personalization is constantly increasing. Gloves, as a common item in daily life, are also sought after for their beauty and diversity. Due to the wide variety of patterns and colors of existing gloves, horizontal knitting machines often need to change multiple yarn ends during the knitting process. During the knitting process, the machine head not only needs to knit back and forth, but also needs to push the clamping and cutting part to clamp and cut the yarn. The more colors required, the more frequently the yarn ends need to be changed, resulting in more work for the machine head, an increase in the number of back and forth passes, and a decrease in knitting efficiency. Utility Model Content

[0003] In view of the defects of the existing clamping and cutting devices of the horizontal braiding machine, the technical problem to be solved by this utility model is to provide a clamping and cutting device for the horizontal braiding machine to replace the machine head in performing the clamping and cutting of the yarn, thereby increasing the working efficiency of the horizontal braiding machine.

[0004] To achieve the above objectives, according to one aspect of the present invention, the present invention is implemented through the following technical measures: a clamping and cutting device for a horizontal braiding machine, comprising a horizontal moving structure and a pushing structure, wherein the pushing structure is fixed to the horizontal moving structure, the horizontal moving structure is used to move the pushing structure to the clamp / scissor head and reset it, and the pushing structure is used to drive the clamp / scissor head to perform clamping or cutting operations and to reset it after the operation is completed.

[0005] Furthermore, the lateral movement structure includes a motor A, a sensor A, a guide post, a lead screw, a moving block, and a limiting device. The motor A and the sensor A are fixed to the frame by a motor A fixing plate and a sensor A fixing plate, respectively. The sensor A is used to sense the moving position distance of the moving block. One end of the guide post is fixed to the frame. One end of the lead screw is connected to the motor shaft of the motor A, and the other end extends out of the frame. The moving block is sleeved on the guide post and threadedly connected to the lead screw. The limiting device is used to prevent the moving block from coming off the lead screw.

[0006] Furthermore, a lead screw nut is fixed on the movable block, and the lead screw nut is threadedly connected to the lead screw.

[0007] Furthermore, the guide posts are respectively disposed on both sides of the lead screw.

[0008] Furthermore, the limiting device is a limiting plate, which is fixedly connected to the end of the guide column away from the frame.

[0009] Furthermore, one end of the lead screw is connected to the motor shaft of motor A via a coupling.

[0010] Furthermore, a guide block is fixed on the movable block, and the guide block is sleeved on the guide post.

[0011] Furthermore, the pushing structure includes a motor B, a gear, a sensor B, and a push plate. The motor B and the sensor B are fixed to the moving block. The gear is fixedly connected to the motor shaft of the motor B. The sensor B is used to sense the moving position distance of the push block. The push plate is provided with a rack and a bayonet on both sides. The rack and the gear mesh with each other. The push plate is slidably connected to the moving block.

[0012] Furthermore, the push plate is also provided with a guide groove, and a bolt is fixed on the moving block, with the guide groove sleeved on the bolt on the moving block.

[0013] Furthermore, the number of the pushing structures is two, with the two pushing structures fixed on both sides of the moving block respectively.

[0014] Compared with the prior art, the advantages of this utility model are as follows: This clamping and cutting device for a horizontal knitting machine replaces the machine head to complete the clamping and cutting of the thread. Especially when knitting multi-colored gloves, the machine head does not need to repeatedly move to the end of the thread to clamp and cut the thread, thus increasing the working efficiency of the horizontal knitting machine. Attached Figure Description

[0015] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of the clamping and shearing device of a horizontal knitting machine according to the present invention;

[0017] Figure 2 This is a schematic diagram of the lateral movement structure and the pushing structure described in this utility model.

[0018] Explanation of reference numerals in the attached diagram: 1. Motor A; 2. Motor A mounting plate; 3. Sensor A; 4. Sensor A mounting plate; 5. Coupling; 6. Positioning block; 7. Guide column; 8. Limiting plate; 9. Lead screw; 10. Lead screw nut; 11. Moving block; 12. Guide block; 13. Motor B; 14. Gear; 15. Sensor B; 16. Push plate; 17. Rack; 18. Bayonet; 19. Guide groove; 20. Bolt; 21. Clamp; 22. Scissor head; 23. Snap-fit ​​joint. Detailed Implementation

[0019] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the present application can be combined with each other.

[0020] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] Please refer to Figure 1 , Figure 2 This embodiment provides a clamping and shearing device for a horizontal knitting machine, including a horizontal moving structure and a pushing structure. The horizontal moving structure is used to move the pushing structure to the clamp 21 / scissor head 22 and to reset it. The pushing structure is used to drive the clamp 21 / scissor head 22 to perform clamping or shearing operations and to reset it after the operation is completed. The horizontal moving structure includes a motor A1, a sensor A3, a coupling 5, a positioning block 6, a guide column 7, a limiting plate 8, a lead screw 9, a lead screw nut 10, a moving block 11, and a guide block 12. Sensors A1 and A3 are fixed to the frame via motor A fixing plate 2 and sensor A fixing plate 4, respectively. Sensor A3 is used to sense the moving position distance of moving block 11. Positioning block 6 is fixed to the frame and has a through hole. One end of lead screw 9 is connected to the motor shaft of motor A1 via coupling 5, and the other end passes through the through hole of positioning block 6 and out of the frame. Guide posts 7 are respectively set on both sides of lead screw 9, one end of guide post 7 is fixed to the frame, and the other end is fixedly connected to limiting plate 8. Moving block 11 has a center hole. Two side holes and guide blocks 12 are fixedly connected to a screw nut 10 that is threaded to the screw 9 (this can also be achieved by setting an internal thread in the center hole of the moving block 11). The side holes and guide blocks 12 are sleeved on the guide post 7 for guidance. The pushing structure includes a motor B13, a gear 14, a sensor B15, and a push plate 16. The motor B13 is fixedly connected to one side of the moving block 11, the gear 14 is fixedly installed on the motor shaft of the motor B13, and the sensor B15 is fixedly connected to the moving block 11 and is used to sense the push plate. The push plate 16 has a moving position distance. On both sides of the push plate 16, there are racks 17 and bayonets 18. The racks 17 and gears 14 mesh. The push plate 16 also has a guide groove 19. Bolts 20 are fixed on the moving block 11. The guide groove 19 is fitted onto the bolts 20 on the moving block 11. After connection, the push plate 16 can move along the guide groove 19. Since most horizontal knitting machines generally have two rows of needle plates, this device generally also has two pushing structures. The two pushing structures are respectively installed and fixed on both sides of the moving block 11.

[0022] This embodiment provides a clamping and cutting device for a horizontal braiding machine. When clamping and cutting of thread is required, motor A1 drives the lead screw 9 to rotate, and the lead screw 9 pushes the lead screw nut 10 to move, thereby driving the moving block 11 to move along the guide post 7. The pushing structure moves together with the moving block 11. When it moves to the clamp 21 / scissor head 22 where the thread needs to be clamped, the latch 18 of the push plate 16 aligns with the tail of the clamp 21 / scissor head 22. At this time, motor B13 drives the gear 14 to rotate, and the push plate 16 is driven to move through the transmission of the gear 14 and the rack 17. After the push plate 16 moves, it drives the clamp 21 / scissor head 22 to perform the thread clamping and cutting operation through the latch 18 and the engagement point 23 at the tail of the clamp 21 / scissor head 22. After the operation is completed, the clamp 21 / scissor head 22 is moved to the initial position, and then the push structure is driven by motor A1 to return to the initial position.

[0023] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various changes and modifications can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A gripper device for a flat knitting machine, characterized in that: The device comprises a lateral moving structure and a pushing structure fixed to the lateral moving structure, the lateral moving structure is used to move the pushing structure to the clamping head (21) / scissors head (22) and reset, the pushing structure is used to drive the clamping head (21) / scissors head (22) to clamp or cut the wire and reset after the operation.

2. The gripper device of a flat knitting machine according to claim 1, characterized in that: The lateral moving structure comprises a motor A (1), an inductor A (3), a guide column (7), a lead screw (9), a moving block (11) and a limiting device, the motor A (1) and the inductor A (3) are fixed to the frame through a motor A fixing plate (2) and an inductor A fixing plate (4) respectively, the inductor A (3) is used to sense the moving position distance of the moving block (11), one end of the guide column (7) is fixed to the frame, one end of the lead screw (9) is connected with the motor shaft of the motor A (1), the other end penetrates through the frame, the moving block (11) is sleeved on the guide column (7), the moving block (11) is threadedly connected with the lead screw (9), and the limiting device is used to prevent the moving block (11) from being separated from the lead screw (9).

3. The gripper device of a flat knitting machine according to claim 2, characterized in that: The moving block (11) is fixed with a lead screw nut (10), and the lead screw nut (10) is threadedly connected with the lead screw (9).

4. The gripper device of a flat knitting machine according to claim 2, characterized in that: The guide column (7) is arranged on both sides of the lead screw (9) respectively.

5. The gripper device of a flat knitting machine according to claim 2 or 4, characterized in that: The limiting device is a limiting plate (8), and the limiting plate (8) is fixedly connected with one end of the guide column (7) away from the frame.

6. The gripper device of a flat knitting machine according to claim 2, characterized in that: One end of the lead screw (9) is connected with the motor shaft of the motor A (1) through a shaft coupling (5).

7. The gripper device of a flat knitting machine according to claim 2 or 4, characterized in that: The moving block (11) is fixed with a guide block (12), and the guide block (12) is sleeved on the guide column (7).

8. The gripper device of a flat knitting machine according to claim 2, characterized in that: The pushing structure comprises a motor B (13), a gear (14), an inductor B (15) and a push plate (16), the motor B (13) and the inductor B (15) are fixed to the moving block (11), the gear (14) is fixedly connected with the motor shaft of the motor B (13), the inductor B (15) is used to sense the moving position distance of the push block, and the push plate (16) is provided with a rack (17) and a bayonet (18) on both sides respectively, the rack (17) and the gear (14) are engaged, and the push plate (16) is slidably connected with the moving block (11).

9. The gripper device of a flat knitting machine according to claim 8, characterized in that: The push plate (16) is further provided with a guide groove (19), the moving block (11) is fixed with a bolt (20), and the guide groove (19) is sleeved on the bolt (20) on the moving block (11).

10. The gripper device of a flat knitting machine according to claim 2 or 8, characterized in that: The number of the pushing structures is two, and the two pushing structures are fixed to both sides of the moving block (11) respectively.

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