Needle selector for knitting

Abstract

The present invention is applicable to the field of knitting technology and provides a needle selector for knitting, comprising a needle selector body, a positioning groove is provided at the bottom of the needle selector body, two symmetrical second support plates are fixedly connected inside the needle selector body, adjustment grooves extending to the outside of the second support plates are provided inside the two second support plates, connecting rods extending to the outside of the adjustment grooves are slidably connected inside the two adjustment grooves, first support plates are fixedly connected at both ends of the connecting rods, and a first mounting frame is slidably connected inside the positioning groove. The present invention provides a needle selector for knitting, after the second mounting frame is moved to a certain position inside the needle selector body, the trapezoidal positioning rod on the second mounting frame slides into the inside of the trapezoidal positioning groove, and at the same time, the limit rod inside the storage box slides into the inside of the slide groove on the first mounting frame, so that the second mounting frame can more smoothly push the first mounting frame to move and replace.

Description

Technical Field

[0001] The present invention relates to the technical field of knitting, and more particularly to a needle selector for knitting. Background Art

[0002] The needle selector is a transducer that drives the needle selection mechanism in sequence according to the electrical signal of the fabric pattern combination. It is an actuator used by the computerized flat knitting machine control system to implement needle selection control. Currently, the commonly used needle selectors are divided into two types, electromagnetic and piezoelectric, based on the principle of action.

[0003] At present, the needle selector on the market is a key component used to implement needle selection control in computer flat knitting machines. Its working principle is based on the electromagnetic spiral tube generating a polar magnetic field under the influence of electric current. This magnetic field interacts with the permanent magnet, and the needle head of the needle selector is swung up around the axis through push-pull actions to avoid interaction with the needle teeth. Then the needle selector rises along the needle selection triangle to complete a task. During the use of the needle selector, due to the transmission friction between the needle selector and the long-foot needle of the equipment, the blade of the needle selector is prone to wear or damage. When the blade is damaged, the staff needs to shut down the equipment to disassemble and replace the needle selector, which may cause the equipment to be shut down for disassembly and maintenance of the needle selector when the production is accelerated, which may affect the production progress. Summary of the invention

[0004] In view of the shortcomings of the prior art, the object of the present invention is to provide a needle selector for knitting.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A needle selector for knitting comprises a needle selector body, a positioning groove is provided at the bottom of the needle selector body, two symmetrical second support plates are fixedly connected inside the needle selector body, and adjustment grooves extending to the outside of the second support plates are provided inside the two second support plates, and connecting rods extending to the outside of the adjustment grooves are slidably connected inside the two adjusting grooves, and both ends of the connecting rod are fixedly connected to the first support plate, and the first mounting frame is slidably connected inside the positioning groove, and a rotating shaft rotatably connected inside the first mounting frame is provided, and a blade is provided on the surface of the rotating shaft, and a feed groove connected to the inside of the needle selector body is provided inside the spare box and the storage box, and a first mounting frame is provided inside the spare box, and the tops of the first mounting frame and the second mounting frame are fixedly connected, and a trapezoidal positioning rod is provided at the bottom of the first support plate, and a lubrication protection device is provided on the needle selector body that is slidably connected to the inside of the trapezoidal positioning groove, and a transmission replacement device is provided inside the needle selector body.

[0007] The present invention is further configured as follows: the transmission replacement device includes a threaded rod, the surface of the threaded rod is rotatably connected to the interior of the needle selector body, the surface of the threaded rod is threadably connected to the interior of the rear connecting rod, a first motor is fixedly connected to the top of the needle selector body, the output end of the first motor rotates through the top of the needle selector body and extends to the interior of the needle selector body, the output end of the first motor is fixedly connected to the top of the threaded rod, a second motor is fixedly connected to the top of the needle selector body, the output end of the second motor rotates through the top of the needle selector body and extends to the interior of the needle selector body, the output end of the second motor is fixedly connected to a worm rotatably connected to the interior of the needle selector body, the interior of the spare box is rotatably connected to a worm wheel through an axis, and a friction disk is fixedly connected to the axis of the worm wheel.

[0008] The present invention is further configured as follows: a fixed limit plate is fixedly connected to the interior of the standby box and the storage box, a limit rod is fixedly connected to the side of the fixed limit plate close to the second installation frame, a slide groove is provided on the side of the second installation frame close to the limit rod, the surface of the limit rod is slidably connected to the interior of the slide groove, and an oil absorption layer is provided inside the slide groove.

[0009] The present invention is further configured as follows: maintenance slots are provided on opposite sides of the standby box and the storage box, movable doors are provided inside the maintenance slots, and oblique slots are provided on one side of the first installation frame and the second installation frame.

[0010] The present invention is further configured as follows: the lubrication and protection device includes a liquid storage tank, a side of the liquid storage tank close to the needle selector body is fixedly connected to the needle selector body, the interior of the liquid storage tank is a hollow structure, a liquid drainage groove is provided inside the liquid storage tank, a liquid outlet groove extending to the interior of the positioning groove is provided inside the liquid storage tank, a rotating groove extending to the interior of the liquid storage tank is provided inside the needle selector body, a rotating column rotatably connected to the interior of the rotating groove, one end of the rotating column is fixedly connected to a torsion spring, an end of the torsion spring away from the rotating column is fixedly connected to the inner wall of the rotating groove, a transmission groove connected to the interior of the rotating groove is provided inside the liquid storage tank, the interior of the transmission groove is connected to the interior of the liquid outlet groove, a transmission rod fixedly connected to the outer surface of the rotating column, the transmission rod is arranged inside the transmission groove, and a baffle is fixedly connected to the bottom of the transmission rod.

[0011] The present invention is further configured as follows: a groove extending to the outside of the rotating column is opened inside the rotating column, a transmission square rod extending to the outside of the groove is slidably connected inside the groove, and the cross-sections of the transmission square rod and the groove are both square.

[0012] The present invention is further configured as follows: the transmission column is fixedly connected to one end of the transmission square rod away from the rotating column, and the transmission column is movably connected to the inside of the rotating groove.

[0013] The present invention is further configured as follows: one end of the transmission square rod away from the transmission column is fixedly connected to a spring, and one end of the spring away from the transmission square rod is fixedly connected to the inside of the groove.

[0014] The advantages of the present invention are:

[0015] 1. A needle selector for knitting of the present invention, after the second mounting frame is moved to a certain position inside the needle selector body, the trapezoidal positioning rod on the second mounting frame slides into the interior of the trapezoidal positioning groove, and at the same time, the limit rod inside the storage box slides into the interior of the slide groove on the first mounting frame, so that the second mounting frame can more smoothly push the first mounting frame to move and replace, and at the same time, through the inclined surface on one side of the second mounting frame, the positioning groove pushes the second mounting frame to be centered during the downward movement of the second mounting frame, and the second mounting frame can more smoothly slide into the interior of the positioning groove to complete the replacement of the first mounting frame, thereby reducing to a certain extent the situation in which the staff needs to disassemble and replace the needle selector body after the equipment is shut down after a blade on the first mounting frame fails.

[0016] 2. The needle selector for knitting of the present invention can realize the blocking and unblocking of the liquid outlet groove by the baffle plate, so that the lubricating oil inside the liquid storage tank can lubricate the rotating shaft in time when the device is running, so that the rotating shaft can be maintained in time and the situation that the rotation of the rotating shaft is affected by excessive friction of the rotating shaft can be reduced to a certain extent.

[0017] 3. The present invention is a needle selector for knitting, which drives the second installation frame to slide into the interior of the needle selector body through the interior of the feed slot through the friction disk, and at the same time, the second installation frame pushes the first installation frame to slide into the interior of the storage box. At the same time, the cooperation of the limit rod and the slide groove limits the moving direction of the second installation frame, and the cooperation of the trapezoidal positioning rod and the trapezoidal positioning groove limits the moving direction of the first installation frame, so that the second installation frame can more smoothly push the first installation frame to move and replace.

[0018] 4. The needle selector for knitting of the present invention, after the friction disk contacts the second installation frame, causes the friction disk to drive the second installation frame to move through friction force, and enables the device to operate more smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a needle selector for knitting according to the present invention;

[0020] Figure 2 It is a structural schematic diagram of the needle selector body of the present invention;

[0021] Figure 3 It is a structural schematic diagram of the spare box of the present invention;

[0022] Figure 4is a structural schematic diagram of a second installation frame of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the gear of the present invention;

[0024] Figure 6 It is a structural schematic diagram of the liquid storage tank of the present invention;

[0025] Figure 7 For the present invention Figure 6 A is a schematic diagram of the enlarged structure of the middle part;

[0026] Figure 8 It is a schematic diagram of the planar structure of the transmission column of the present invention;

[0027] Fig. 9 It is a schematic diagram of the planar structure of the transmission rod of the present invention.

[0028] In the figure: 1, needle selector body; 2, spare box; 3, storage box; 4, liquid storage box; 5, positioning groove; 6, first installation frame; 7, second installation frame; 8, feed trough; 9, trapezoidal positioning rod; 10, first support plate; 11, trapezoidal positioning groove;

[0029] 12. second support plate; 13. adjustment slot; 14. first motor; 15. second motor; 16. connecting rod; 17. slide slot; 18. friction disc; 19. worm; 20. worm wheel; 21. threaded rod; 22. drainage slot; 23. outlet slot;

[0030] 24. Transmission groove; 25. Baffle; 26. Transmission rod; 27. Torsion spring; 28. Rotation groove; 29. ​​Rotation column; 30. Transmission column; 31. Groove; 32. Transmission square rod; 33. Spring; 34. Blade; 35. Rotation shaft; 36. Oblique groove; 37. Fixed limit plate; 38. Limit rod;

[0031] 39. Maintenance slot; 40. Movable door. DETAILED DESCRIPTION

[0032] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0033] See also Figure 1-9The present invention provides the following technical solutions: a needle selector for knitting, comprising a needle selector body 1, a positioning groove 5 is provided at the bottom of the needle selector body 1, two symmetrical second support plates 12 are fixedly connected inside the needle selector body 1, the insides of the two second support plates 12 are provided with adjustment grooves 13 extending to the outside of the second support plates 12, the insides of the two adjustment grooves 13 are slidably connected with connecting rods 16 extending to the outside of the adjustment grooves 13, both ends of the connecting rod 16 are fixedly connected to the first support plate 10, and a circuit board electromagnet and other structures are installed between the needle selector bodies 1 on the two connecting rods 16. At the same time, due to the needle selector The internal space of the device body 1 is large, so that the first support plate 10 can drive the circuit board electromagnet and the circuit to move without affecting the normal operation of the device. The first mounting frame 6 is slidably connected to the inside of the positioning groove 5, and the rotating shaft 35 is rotatably connected to the inside of the first mounting frame 6. The surface of the rotating shaft 35 is provided with a blade 34, which is located inside the first mounting frame 6 and extends to the outside of the first mounting frame 6. The blade 34 rotates the circuit board and the electromagnet through an external control device (it is an existing structure and will not be repeated here). The electromagnetic spiral tube generates a polar magnetic field under the influence of the current. This magnetic field is ‌ The permanent magnets interact with each other, and the blade 34 is swung by pushing and pulling actions). The spare box 2 and the storage box 3 are provided with a feed slot 8 connected to the inside of the needle selector body 1. The spare box 2 is provided with a second mounting frame 7. The first mounting frame 6 and the second mounting frame 7 are provided with the same structure, so that the second mounting frame 7 can become a spare structure of the first mounting frame 6. When the blade 34 and the rotating shaft 35 on the first mounting frame 6 fail, the blade 34 and the rotating shaft 35 on the second mounting frame 7 can replace the structure on the first mounting frame 6 for operation. The top of the first mounting frame 6 and the second mounting frame 7 are connected to the second mounting frame 7. The first support plate 10 is fixedly connected with a trapezoidal positioning rod 9, a trapezoidal positioning groove 11 is provided at the bottom of the first support plate 10, the surface of the trapezoidal positioning rod 9 is slidably connected with the inside of the trapezoidal positioning groove 11, the cross-sections of the trapezoidal positioning groove 11 and the trapezoidal positioning rod 9 are both trapezoidal, and the moving directions of the first mounting frame 6 and the second mounting frame 7 are restricted by the trapezoidal positioning groove 11 and the trapezoidal positioning rod 9, so that the first support plate 10 can more smoothly drive the first mounting frame 6 and the second mounting frame 7 to move, a lubrication protection device is provided on the needle selector body 1, and a transmission replacement device is provided inside the needle selector body 1.

[0034] Taking the needle selector body 1 as a reference reference view, the transmission replacement device includes a threaded rod 21, the surface of the threaded rod 21 is rotatably connected to the inside of the needle selector body 1, the surface of the threaded rod 21 is threadably connected to the inside of the rear connecting rod 16, and the top of the needle selector body 1 is fixedly connected to a first motor 14, the first motor 14 is a micro motor, the output end of the first motor 14 rotates through the top of the needle selector body 1 and extends to the inside of the needle selector body 1, the output end of the first motor 14 is fixedly connected to the top of the threaded rod 21, and the threaded rod 21 is driven by the first motor 14 to rotate forward and reverse, so that the threaded rod 21 can drive the connecting rod 16 and the trapezoidal positioning groove 11 to move up and down under the restriction of the adjustment groove 13, and To achieve the synchronous up and down movement of the circuit board, electromagnet, first mounting frame 6 and other structures inside the needle selector body 1, a second motor 15 is fixedly connected to the top of the needle selector body 1, and the second motor 15 is also a micro motor. The second motor 15 is an existing structure and will not be elaborated on here. The output end of the second motor 15 rotates through the top of the needle selector body 1 and extends to the inside of the needle selector body 1. The output end of the second motor 15 is fixedly connected to a worm 19 rotatably connected to the inside of the needle selector body 1. The inside of the spare box 2 is rotatably connected to a worm gear 20 through an axis, and a friction disk 18 is fixedly connected to the axis of the worm gear 20. After the friction disk 18 contacts the second mounting frame 7, the second mounting frame 7 is driven to move by friction.

[0035] Specifically, the interior of the spare box 2 and the storage box 3 are fixedly connected with a fixed limit plate 37, and the fixed limit plate 37 is fixedly connected with a limit rod 38 on the side close to the second mounting frame 7. A slide groove 17 is provided on the side of the second mounting frame 7 close to the limit rod 38. The surface of the limit rod 38 is slidably connected to the interior of the slide groove 17. An oil absorption layer is provided inside the slide groove 17. The oil absorption layer is a soft material such as cloth that can absorb lubricating oil. The rotating shaft 35 is located inside the slide groove 17, and the friction disk 18 is provided on the lower side of the fixed limit plate 37.

[0036] A maintenance slot 39 is provided on the opposite sides of the spare box 2 and the storage box 3. A movable door 40 is provided inside the maintenance slot 39. The first installation frame 6 and the second installation frame 7 can be taken more conveniently by disassembling the movable door 40.

[0037] An inclined groove 36 is formed on one side of the first installation frame 6 and the second installation frame 7 , and an inclined surface is formed on one side of the first installation frame 6 and the second installation frame 7 through the inclined groove 36 .

[0038] When the blade 34 on the first mounting frame 6 fails, the staff starts the first motor 14 through the external control device, so that the threaded rod 21 drives the connecting rod 16 and the trapezoidal positioning groove 11 to move upward under the restriction of the adjustment groove 13, and realizes the synchronous upward movement of the circuit board, the electromagnet and the first mounting frame 6 inside the needle selector body 1. When the first mounting frame 6 moves to a suitable position, the second motor 15 is started through the external control device, and the second motor 15 drives the worm wheel 20 to rotate through the worm 19, and the worm wheel 20 drives the friction plate 18 to rotate through the shaft, so that the friction plate 1 8 drives the second installation frame 7 to slide into the interior of the needle selector body 1 through the interior of the feed slot 8, and at the same time, the second installation frame 7 pushes the first installation frame 6 to slide into the interior of the storage box 3. At the same time, the cooperation between the limit rod 38 and the slide slot 17 limits the movement direction of the second installation frame 7, and the cooperation between the trapezoidal positioning rod 9 and the trapezoidal positioning slot 11 limits the movement direction of the first installation frame 6. When the second installation frame 7 moves to a certain position inside the needle selector body 1, the trapezoidal positioning rod 9 on the second installation frame 7 slides into the interior of the trapezoidal positioning slot 11, and at the same time, the limit rod 38 inside the storage box 3 slides into the first installation frame 7. The second mounting frame 7 is inserted into the slide groove 17 on the mounting frame 6, so that the second mounting frame 7 can more smoothly push the first mounting frame 6 to move and replace. When the second mounting frame 7 moves to a suitable position, the second motor 15 stops rotating, so that the first motor 14 rotates in the opposite direction, so that the first motor 14 drives the connecting rod 16 and the trapezoidal positioning groove 11 to move upward through the threaded rod 21 under the restriction of the adjustment groove 13, and realizes the synchronous downward movement of the circuit board, the electromagnet and the first mounting frame 6 and other structures inside the needle selector body 1. At the same time, through the inclined surface on one side of the second mounting frame 7, the positioning groove 5 is During the downward movement, the second mounting frame 7 is pushed to the center, and the second mounting frame 7 can slide more smoothly into the interior of the positioning groove 5 to complete the replacement of the first mounting frame 6, thereby reducing to a certain extent the blade 34 on the first mounting frame 6. After a failure occurs, the staff needs to shut down the equipment and disassemble and replace the needle selector body 1. To a certain extent, it ensures that the device has an alternative structure to operate when no disassembly and maintenance are performed, and to a certain extent reduces the impact of shutting down the equipment to disassemble and maintain the needle selector body 1 when the user has urgent production. The situation on the production progress is affected.

[0039] The lubrication protection device includes a liquid reservoir 4, the liquid reservoir 4 is fixedly connected to the needle selector body 1 on one side thereof close to the needle selector body 1, the interior of the liquid reservoir 4 is a hollow structure, the interior of the liquid reservoir 4 can hold lubricating oil, a feed port is provided on the top of the liquid reservoir 4, a liquid drainage groove 22 is provided inside the liquid reservoir 4, the number of the liquid drainage grooves 22 is multiple, and the multiple liquid drainage grooves 22 are equidistantly arranged on the liquid reservoir 4, the interior of the liquid drainage groove 22 is provided with a liquid outlet groove 23 extending to the interior of the positioning groove 5, the lubricating oil inside the liquid reservoir 4 enters the interior of the slide 17 through the liquid drainage groove 22 and the liquid outlet groove 23, is absorbed by the fabric, and then is transferred to the rotating shaft 35, so that the rotating shaft 35 is lubricated and maintained to a certain extent, a rotating groove 28 extending to the interior of the liquid reservoir 4 is provided inside the needle selector body 1, a rotating groove 28 is rotatably connected to the interior of the rotating groove 28 with a rotating column 29, one end of the rotating column 29 is fixedly connected to a torsion spring 27, and the end of the torsion spring 27 away from the rotating column 29 is fixedly connected to the inner wall of the rotating groove 28, The rotation of the moving column 29 can compress and reset the torsion spring 27. The interior of the liquid storage tank 4 is provided with a transmission groove 24 that is connected to the interior of the rotating groove 28. The interior of the transmission groove 24 is connected to the interior of the liquid outlet groove 23. The outer surface of the rotating column 29 is fixedly connected with a transmission rod 26. The transmission rod 26 is arranged in the transmission groove 24. The bottom of the transmission rod 26 is fixedly connected with a baffle 25. The material of the baffle 25 is rubber. The liquid outlet groove 23 can be blocked and sealed by the baffle 25. The transmission rod 26 and the baffle 25 are driven to rotate by the rotating column 29, so that the baffle 25 can release the blocking of the liquid outlet groove 23, so that the lubricating oil inside the liquid storage tank 4 drips into the interior of the slide 17 through the drainage groove 22 and the liquid outlet groove 23, and the slide 17 absorbs it to lubricate the rotating shaft 35. To a certain extent, the rotating shaft 35 can be timely maintained, and the rotating shaft 35 can be rotated more smoothly, and the service life of the rotating shaft 35 can be extended to a certain extent.

[0040] The interior of the rotating column 29 is provided with a groove 31 extending to the outside of the rotating column 29, and the interior of the groove 31 is slidably connected with a transmission square rod 32 extending to the outside of the groove 31. The cross-sections of the transmission square rod 32 and the groove 31 are both square, so that the transmission square rod 32 can more smoothly drive the rotating column 29 to rotate through the groove 31. The end of the transmission square rod 32 away from the rotating column 29 is fixedly connected to the transmission column 30, and the transmission column 30 is movably connected to the inside of the rotating groove 28. The transmission column 30 can rotate and move inside the rotating column 29, and the end of the transmission square rod 32 away from the transmission column 30 is fixedly connected to a spring 33, and the end of the spring 33 away from the transmission square rod 32 is connected to the groove The groove 31 is fixedly connected inside, and after sliding into the interior of the positioning groove 5 through the first installation frame 6, the transmission column 30 is tightly attached to the rotating shaft 35 under the action of the spring 33, so that the rotating shaft 35 can drive the transmission column 30 to rotate when it rotates, and the transmission column 30 drives the rotating column 29 to rotate through the transmission square rod 32 and the groove 31, and realizes the blocking and release of the baffle 25 on the liquid outlet groove 23, so that the lubricating oil inside the liquid storage tank 4 can lubricate the rotating shaft 35 in time when the device is running, so that the rotating shaft 35 can be maintained in time, and to a certain extent, reduce the situation where the rotation of the rotating shaft 35 is affected by the excessive friction of the rotating shaft 35.

[0041] Working principle: A needle selector for knitting. When the worker installs the device on the knitting equipment, when the blade 34 on the first mounting frame 6 fails, the worker starts the first motor 14 through the external control device, so that the threaded rod 21 drives the connecting rod 16 and the trapezoidal positioning groove 11 to move upward under the restriction of the adjustment groove 13, and realizes the synchronous upward movement of the circuit board, the electromagnet and the first mounting frame 6 and other structures inside the needle selector body 1. When the first mounting frame 6 moves to a suitable position, the second motor 15 is started through the external control device, and the second motor 15 drives the worm gear 20 to rotate through the worm 19, and the worm gear 20 drives the friction disk 18 to rotate through the shaft, so that the friction disk 18 drives the second mounting frame 7 to slide into the inside of the needle selector body 1 through the inside of the feed groove 8, and at the same time, the second mounting frame 7 pushes the first mounting frame 6 to slide into the inside of the storage box 3, and at the same time, the cooperation of the limit rod 38 and the slide groove 17 limits the moving direction of the second mounting frame 7, and the cooperation of the trapezoidal positioning rod 9 and the trapezoidal positioning groove 11 limits the moving direction of the first mounting frame 6;

[0042] When the second mounting frame 7 moves to a certain position inside the needle selector body 1, the trapezoidal positioning rod 9 on the second mounting frame 7 slides into the trapezoidal positioning groove 11, and at the same time, the limiting rod 38 inside the storage box 3 slides into the inside of the slide groove 17 on the first mounting frame 6, so that the second mounting frame 7 can more smoothly push the first mounting frame 6 to move and replace. When the second mounting frame 7 moves to a suitable position, the second motor 15 stops rotating, causing the first motor 14 to rotate in the opposite direction, so that the first motor 14 drives the connecting rod 16 and the trapezoidal positioning rod 9 through the threaded rod 21 under the restriction of the adjustment groove 13. The positioning slot 11 moves upward, and realizes the synchronous downward movement of the circuit board, electromagnet and first mounting frame 6 and other structures inside the needle selector body 1. At the same time, the second mounting frame 7 is pushed to the center by the inclined surface on one side of the second mounting frame 7 during the downward movement of the positioning slot 5, so that the second mounting frame 7 can slide more smoothly into the positioning slot 5 to complete the replacement of the first mounting frame 6, thereby reducing to a certain extent the situation that the staff needs to disassemble and replace the needle selector body 1 after the equipment is shut down after the blade 34 on the first mounting frame 6 fails;

[0043] After sliding into the interior of the positioning groove 5 through the first installation frame 6, the transmission column 30 is tightly attached to the rotating shaft 35 under the action of the spring 33, so that the rotating shaft 35 can drive the transmission column 30 to rotate when rotating, and the transmission column 30 drives the rotating column 29 to rotate through the transmission square rod 32 and the groove 31, and realizes the blocking and unblocking of the baffle 25 on the liquid outlet groove 23, so that the lubricating oil inside the liquid storage tank 4 can lubricate the rotating shaft 35 in time when the device is running, so that the rotating shaft 35 can be maintained in time, and to a certain extent, the situation in which the rotation of the rotating shaft 35 is affected by the excessive friction of the rotating shaft 35 is reduced.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A needle selector for knitting, comprising a needle selector body (1), characterized in that: The bottom of the needle selector body (1) is provided with a positioning groove (5), the interior of the needle selector body (1) is fixedly connected with two symmetrical second support plates (12), the interior of the two second support plates (12) is provided with an adjustment groove (13) extending to the outside of the second support plates (12), the interior of the two adjustment grooves (13) is slidably connected with a connecting rod (16) extending to the outside of the adjustment groove (13), both ends of the connecting rod (16) are fixedly connected with the first support plate (10), the interior of the positioning groove (5) is slidably connected with a first mounting frame (6), and the interior of the first mounting frame (6) is rotatably connected with a rotating shaft (35), A blade (34) is provided on the surface of the rotating shaft (35); a feed trough (8) communicating with the interior of the needle selector body (1) is provided inside the standby box (2) and the storage box (3); a second mounting frame (7) is provided inside the standby box (2); a trapezoidal positioning rod (9) is fixedly connected to the top of the first mounting frame (6) and the second mounting frame (7); a trapezoidal positioning groove (11) is provided at the bottom of the first support plate (10); a surface of the trapezoidal positioning rod (9) is slidably connected to the interior of the trapezoidal positioning groove (11); a lubrication protection device is provided on the needle selector body (1); and a transmission replacement device is provided inside the needle selector body (1).

2. A knitting needle selector according to claim 1, characterized in that: The transmission replacement device comprises a threaded rod (21), the surface of the threaded rod (21) is rotatably connected to the inside of the needle selector body (1), the surface of the threaded rod (21) is threadably connected to the inside of the rear connecting rod (16), the top of the needle selector body (1) is fixedly connected to a first motor (14), the output end of the first motor (14) rotates through the top of the needle selector body (1) and extends to the inside of the needle selector body (1), the output end of the first motor (14) is fixedly connected to the top of the threaded rod (21), the top of the needle selector body (1) is fixedly connected to a second motor (15), the output end of the second motor (15) rotates through the top of the needle selector body (1) and extends to the inside of the needle selector body (1), the output end of the second motor (15) is fixedly connected to a worm (19) rotatably connected to the inside of the needle selector body (1), the inside of the spare box (2) is rotatably connected to a worm wheel (20) through an axis, and a friction disk (18) is fixedly connected to the axis of the worm wheel (20).

3. A knitting needle selector according to claim 2, characterized in that: The interiors of the standby box (2) and the storage box (3) are both fixedly connected with a fixed limiting plate (37), a side of the fixed limiting plate (37) close to the second installation frame (7) is fixedly connected with a limiting rod (38), a side of the second installation frame (7) close to the limiting rod (38) is provided with a slide groove (17), a surface of the limiting rod (38) is slidably connected to the interior of the slide groove (17), and an oil absorption layer is provided inside the slide groove (17).

4. A knitting needle selector according to claim 1, characterized in that: The opposite sides of the standby box (2) and the storage box (3) are each provided with a maintenance slot (39), a movable door (40) is provided inside the maintenance slot (39), and one side of the first installation frame (6) and the second installation frame (7) is each provided with an inclined slot (36).

5. A knitting needle selector according to claim 1, characterized in that: The lubrication protection device comprises a liquid storage tank (4), a side of the liquid storage tank (4) close to the needle selector body (1) is fixedly connected to the needle selector body (1), the interior of the liquid storage tank (4) is a hollow structure, a liquid discharge groove (22) is provided inside the liquid storage tank (4), a liquid outlet groove (23) extending to the interior of the positioning groove (5) is provided inside the liquid discharge groove (22), a rotating groove (28) extending to the interior of the liquid storage tank (4) is provided inside the needle selector body (1), a rotating column (29) is rotatably connected inside the rotating groove (28), and the rotating column ( One end of the rotating column (29) is fixedly connected to a torsion spring (27), and one end of the torsion spring (27) away from the rotating column (29) is fixedly connected to the inner wall of the rotating groove (28). A transmission groove (24) communicating with the interior of the rotating groove (28) is provided inside the liquid storage tank (4), and the interior of the transmission groove (24) is communicated with the interior of the liquid outlet groove (23). A transmission rod (26) is fixedly connected to the outer surface of the rotating column (29), and the transmission rod (26) is arranged inside the transmission groove (24). A baffle (25) is fixedly connected to the bottom of the transmission rod (26).

6. A knitting needle selector according to claim 5, characterized in that: The rotating column (29) is provided with a groove (31) extending to the outside of the rotating column (29), and the inside of the groove (31) is slidably connected to a transmission square rod (32) extending to the outside of the groove (31), and the cross-sections of the transmission square rod (32) and the groove (31) are both square.

7. A knitting needle selector according to claim 6, characterized in that: One end of the transmission square rod (32) away from the rotating column (29) is fixedly connected to the transmission column (30), and the transmission column (30) is movably connected to the inside of the rotating groove (28).

8. A knitting needle selector according to claim 7, characterized in that: One end of the transmission square rod (32) away from the transmission column (30) is fixedly connected to a spring (33), and one end of the spring (33) away from the transmission square rod (32) is fixedly connected to the inside of the groove (31).

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