Improved transfer device

Abstract

The utility model provides an improved transfer device, and belongs to the technical field of knitting machinery. The device comprises a transfer disc, a plurality of transfer needles which are distributed in the circumferential direction of the transfer disc and can horizontally move in the radial direction of the transfer disc are hung at the bottom of the transfer disc, return force application parts and stress parts are arranged on the transfer needles, and the stress parts penetrate through stress part moving grooves of the transfer disc to be exposed out of the top of the transfer disc. A plurality of fan-shaped pushing blocks which are distributed in the circumferential direction of the transferring disc and can be used for pushing the stress part to move outwards in the radial direction are arranged at the top of the transferring disc, a fixedly-arranged positioning disc is arranged above the fan-shaped pushing blocks, and at least two transmission pins distributed in the circumferential direction of the transferring disc are arranged on each fan-shaped pushing block; each transmission pin is arranged in a first radial movement guide groove of the positioning disc in a penetrating mode, a driving disc is arranged at one end of the positioning disc, a plurality of driving grooves which are distributed in the circumferential direction of the transferring disc and used for driving the transmission pins to move along the first radial movement guide grooves when the driving disc rotates are formed in the driving disc, and the driving grooves and the transmission pins are arranged in a one-to-one correspondence mode. The driving disc is further provided with a driving connecting structure.

Description

Technical Field

[0001] This utility model belongs to the field of knitting machinery technology and relates to an improved transfer device. Background Technology

[0002] The transfer device includes transfer needles mounted on a transfer disc. Driven by a drive mechanism, the transfer needles move radially along the transfer disc and cooperate with the vertical knitting needles of the sock machine to transfer sock yarn. Existing transfer needle drive mechanisms, such as the novel transfer device disclosed in Chinese Patent [Application No.: 202510177671.3], involve a drive ring driving an eccentric wheel to rotate. The rotation of the eccentric wheel then drives an eccentric body to engage with the slotted hole of a radial push plate, thereby driving the radial push plate to move radially and control the transfer needle's movement. The entire drive process has a complex transmission path, relies on multi-stage transmission, resulting in component redundancy, high power loss, and slow response speed. Utility Model Content

[0003] The purpose of this invention is to address the above-mentioned problems by providing an improved transfer device.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An improved transfer device includes a transfer disk. A plurality of transfer pins, circumferentially distributed and capable of horizontally moving radially, are suspended from the bottom of the transfer disk. Each transfer pin has a return force-applying part and a force-receiving part. The force-receiving part passes through a force-receiving part movable groove of the transfer disk and protrudes to the top of the transfer disk. The top of the transfer disk has a plurality of fan-shaped push blocks, circumferentially distributed, capable of pushing the force-receiving parts radially outward. A fixed positioning disk is positioned above each fan-shaped push block. Each fan-shaped push block has at least two transmission pins, circumferentially distributed on the transfer disk. Each transmission pin passes through a first radial guide groove of the positioning disk. When the transmission pins move along the first radial guide groove, they can drive the fan-shaped push blocks to move radially along the transfer disk. A drive disk is provided at one end of the positioning disk. The drive disk has a plurality of drive grooves, circumferentially distributed on the transfer disk, which drive the transmission pins to move along the first radial guide groove when the drive disk rotates. Each drive groove corresponds to a transmission pin. A drive connection structure is also provided on the drive disk.

[0006] The transfer needle is suspended at the bottom of the transfer tray and can only move horizontally along the radial direction of the transfer tray. This ensures that there will be no deviation in other positions during the radial movement of the transfer needle, so as to achieve precision control. This facilitates precise control of the position of the transfer needle, ensures accurate operation, reduces the complexity of operation, lowers the risk of error, and ensures the quality and efficiency of the sock thread transfer operation.

[0007] The rotational motion of the drive disk is converted into the radial linear motion of the transmission pin through the drive groove. The transmission pin then directly pushes the fan-shaped push block to move radially along the transfer disk. The transmission chain is short and has no redundant parts, which can effectively improve the power transmission efficiency and response speed. It reduces the traditional multi-stage gear or cam structure, making the structure more compact. The first radial guide groove rigidly constrains the movement trajectory of the transmission pin, limiting it to sliding only radially along the transfer disk, thus ensuring the displacement accuracy.

[0008] In the above-mentioned improved transfer device, the drive groove is arc-shaped and extends circumferentially upward and is inclined, and the two ends of the drive groove are respectively provided with smooth sections.

[0009] The arc-shaped inclined design of the drive groove allows the transmission pin to move along a smooth trajectory when the drive disc rotates. It can drive the transmission pin to move along the first radial guide groove to drive the fan-shaped push block to move radially. The arc-shaped drive groove can avoid stress concentration caused by sharp turns. The smooth section slows down the speed when the transmission pin reaches the end of the stroke to avoid impact. The smooth transition reduces the instantaneous impact force between the transmission pin and the drive groove.

[0010] In the above-mentioned improved transfer device, the drive disk is located on the upper end of the positioning disk, and the upper end of the drive disk is also provided with a reinforcing disk. The reinforcing disk is provided with a plurality of second radial guide grooves distributed in the circumferential direction, and the second radial guide grooves correspond one-to-one with the first radial guide grooves. The transmission pin passes through the second radial guide grooves.

[0011] The reinforcing plate can prevent the drive plate from deforming due to force, thus affecting the transmission accuracy. Under the dual constraints of the second radial guide groove and the first radial guide groove, the transmission pin can only move radially, avoiding circumferential offset. The dual guide can improve the straightness and stability of the transmission pin movement and ensure the displacement accuracy.

[0012] In the above-mentioned improved transfer device, the lower end of the transmission pin is fixed on the sector-shaped push block, the upper end of the transmission pin is provided with a cap, and an arc-shaped liner is provided between the cap of the transmission pin on the same sector-shaped push block and the reinforcing plate.

[0013] The end cap is used to prevent the drive pin from coming out of the second radial guide groove, ensuring that the drive pin is always connected to the drive disc. The arc-shaped liner can reduce the friction between the end cap and the reinforcing disc, reduce wear on the contact surface, and improve smoothness.

[0014] In the above-mentioned improved transfer device, each sector-shaped push block is provided with two drive pins, and a radial groove is provided between the two drive pins. A guide post that can move within the radial groove is provided, and the lower end of the guide post is fixed to the upper end of the inner ring of the transfer disk.

[0015] The dual drive pin design avoids uneven force on one side, and the guide post and radial groove are matched for limiting. The guide post can restrict the fan-shaped push block to move only radially, ensuring that the movement path is without deviation.

[0016] In the improved transfer device described above, a weight-reducing clearance opening is provided on the inner side of one end of the fan-shaped pusher.

[0017] The weight reduction and opening can reduce the weight of the fan-shaped pusher, reduce inertia, and improve response speed.

[0018] In the above-mentioned improved transfer device, the positioning plate is provided with at least two positioning ears, the positioning ears are sleeved on the positioning post of the transfer plate, the reinforcing plate is provided with at least two reinforcing ears, the reinforcing ears are covered on the positioning post and fixed to the positioning post by bolts, and the positioning ring of the transfer plate is provided with an installation step adapted to the positioning ears.

[0019] In the improved transfer device described above, the bottom of the drive disk is in contact with the inner step inside the positioning disk and the positioning ring, and the upper surface of the drive disk is in contact with the reinforcing disk.

[0020] The inner step on the inner side of the positioning ring plays a role in the rotational positioning of the drive disk, so as to ensure the rotational accuracy of the drive disk.

[0021] In the above-mentioned improved transfer device, the transfer needle includes a needle body, with a hook tongue and a force-receiving part respectively provided at the front and rear ends of the needle body. The top of the needle body is provided with a needle seat for suspending and restricting the needle body to move only horizontally along the radial direction of the transfer disk. The needle seat and the needle body are connected by at least two mortise and tenon structures. A sliding groove that slides with the needle seat is provided at the bottom of the transfer disk.

[0022] The needle seat at the top of the needle body slides into the groove, which restricts the needle body to move horizontally only along the radial direction of the transfer plate. This ensures that no other positional deviations occur during the radial movement of the needle body along the transfer plate, thereby achieving precision control.

[0023] In the above-mentioned improved transfer device, the front and rear parts of the needle body are respectively provided with vertically extending front lugs and rear lugs. The needle seat is provided with front lug through holes and rear lug through holes that are adapted to the front lugs and rear lugs. The front lugs and rear lugs are respectively provided with front tenon grooves and rear tenon grooves, and the groove openings of the front tenon grooves and rear tenon grooves face the same direction.

[0024] The front lug and the rear lug are respectively inserted into the through hole of the front lug and the through hole of the rear lug. Through the relative sliding between the needle body and the needle seat, the front tenon and the rear tenon are synchronously tenoned with the needle seat.

[0025] Compared with existing technologies, the advantages of this invention are: 1. The transmission chain is short and has no redundant parts, which can effectively improve power transmission efficiency and response speed, and reduce the traditional multi-stage gear or cam structure, making the structure more compact. 2. It can avoid the skewing caused by single-point force application. The multi-transmission pin design ensures the radial displacement consistency of all transfer pins, avoiding the "wavy" offset caused by traditional single-point drive. 3. The first radial guide groove rigidly constrains the movement trajectory of the transmission pin, limiting it to sliding only radially along the transfer disk, ensuring displacement accuracy. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure provided by this utility model;

[0027] Figure 2 This is a schematic diagram of the structure of the sector-shaped pusher on the transfer disk;

[0028] Figure 3 This is a schematic diagram of the positioning disk at the upper end of the fan-shaped pusher;

[0029] Figure 4 This is a schematic diagram of the structure of the drive disc at the top of the positioning disc;

[0030] Figure 5 This is a schematic diagram of the structure of the reinforcing disk at the upper end of the drive disk;

[0031] Figure 6 This is a schematic diagram of the transfer needle;

[0032] Figure 7 This is a schematic diagram of the needle body;

[0033] Figure 8 This is a schematic diagram of the needle holder structure.

[0034] In the diagram, 1 is the transfer plate, 2 is the transfer pin, 3 is the return force application part, 4 is the force receiving part, 5 is the force receiving part movable groove, 6 is the fan-shaped push block, 7 is the positioning plate, 8 is the transmission pin, 9 is the first radial displacement guide groove, 10 is the drive plate, 11 is the drive groove, 12 is the drive connection structure, 13 is the drive connection ear, 14 is the smooth part, 15 is the reinforcing plate, 16 is the second radial displacement guide groove, 17 is the end cap, 18 is the arc-shaped liner, 19 is the radial groove, 20 is the guide post, 21 is the inner ring, 22 is the weight reduction clearance opening, and 23 is the positioning ear. 23. Positioning post 24. Reinforcing ear 25. Bolt 26. Positioning ring 27. Mounting step 28. Inner step 29. Pin body 30. Hook tongue 31. Pin seat 32. Mortise and tenon structure 33. Slide groove 34. Front lug 35. Rear lug 36. Front lug through hole 37. Rear lug through hole 38. Front tenon groove 39. Rear tenon groove 40. Guide ramp structure 41. Yield groove 42. Return force half hole 43. Pin body anti-sway groove 44. Stroke avoidance strip groove 45. Detailed Implementation

[0035] like Figures 1-5 As shown, an improved transfer device includes a transfer disk 1. A plurality of transfer needles 2, distributed circumferentially and capable of horizontally moving radially, are suspended from the bottom of the transfer disk 1. Each transfer needle 2 has a return force-applying part 3 and a force-receiving part 4. The force-receiving part 4 passes through a force-receiving movable groove 5 of the transfer disk 1 and protrudes to the top of the transfer disk 1. The top of the transfer disk 1 has a plurality of fan-shaped push blocks 6, distributed circumferentially, capable of pushing the force-receiving parts 4 radially outward. A fixed positioning disk 7 is located above each fan-shaped push block 6. Each fan-shaped push block 6 has at least two needles that move radially outward along the transfer disk. A drive pin 8 is distributed upwards around the perimeter. Each drive pin 8 passes through the first radial guide groove 9 of the positioning disk 7. When the drive pin 8 moves along the first radial guide groove 9, it can drive the fan-shaped push block 6 to move radially along the transfer disk 1. A drive disk 10 is provided on one end of the positioning disk 7. The drive disk 10 is provided with a number of drive grooves 11 distributed around the transfer disk 1 and used to drive the drive pin 8 to move along the first radial guide groove 9 when the drive disk 10 rotates. The drive grooves 11 are arranged one-to-one with the drive pin 8. A drive connection structure 12 is also provided on the drive disk 10.

[0036] The drive connection structure 12 includes a drive connection ear 13 disposed on the outer wall of the drive disk 10, which can be connected to a rotary driver. The rotary driver can drive the drive disk 10 to rotate.

[0037] In this utility model, the drive connection structure 12 can drive the drive disk 10 to rotate. When the drive disk 10 rotates, the drive groove 11 of the drive disk 10 can drive the transmission pin 8 to move along the first radial guide groove 9 of the positioning disk 7, thereby driving the fan-shaped push block 6 to move radially outward along the transfer disk 1. When the fan-shaped push block 6 moves radially outward, it can act on the force-receiving part 4 of the transfer needle 2 to push the transfer needle 2 to move radially outward along the transfer disk 1. The return force-applying part 3 on the transfer needle 2 can reset the transfer needle 2 so that the transfer needle 2 moves radially inward along the transfer disk 1 to reset. During the radial movement of the transfer needle 2 along the transfer disk 1, it cooperates with the vertical knitting needle of the sock machine to perform the sock thread transfer operation.

[0038] The transfer needle 2 is suspended at the bottom of the transfer disk 1. The transfer needle 2 can only move horizontally along the radial direction of the transfer disk 1, which can ensure that there will be no deviation in other positions during the radial movement of the transfer needle 2, so as to achieve precision control, facilitate precise control of the position of the transfer needle 2, ensure accurate operation, reduce the complexity of operation, reduce the risk of error, and ensure the quality and efficiency of the sock thread transfer operation.

[0039] The rotational motion of the drive disk 10 is converted into the radial linear motion of the transmission pin 8 via the drive groove 11. The transmission pin 8 then directly pushes the fan-shaped push block 6 to move radially along the transfer disk 1. The transmission chain is short and has no redundant parts, which can effectively improve the power transmission efficiency, effectively improve the response speed, reduce the traditional multi-stage gear or cam structure, and make the structure more compact.

[0040] When the drive disk 10 rotates, all the drive pins 8, under the synchronous traction of the drive groove 11, drive each sector push block 6 to move radially at the same speed. The outer push surface of the sector push block 6 acts evenly on the force-bearing part 4 of the transfer needle 2, avoiding the deflection caused by single-point force application. The design of multiple drive pins 8 ensures the consistency of the radial displacement of all transfer needles 2, avoiding the "wave-shaped" offset caused by traditional single-point drive. The first radial displacement guide groove 9 rigidly constrains the movement trajectory of the drive pins 8, restricting them to slide only radially along the transfer disk 1, ensuring the displacement accuracy.

[0041] Specifically, combining Figure 4 and Figure 5 As shown, the drive groove 11 is arc-shaped and extends upward along the circumference and is inclined. The two ends of the drive groove 11 are also provided with smooth sections 14.

[0042] The arc-shaped inclined design of the drive groove 11 allows the transmission pin 8 to move along a smooth trajectory when the drive disk 10 rotates. This enables the transmission pin 8 to move along the first radial guide groove 9 to drive the fan-shaped push block 6 to move radially. The arc-shaped drive groove 11 can avoid stress concentration caused by sharp turns. The smooth section 14 slows down the transmission pin 8 when it reaches the end of its stroke to avoid impact. The smooth transition reduces the instantaneous impact force between the transmission pin 8 and the drive groove 11.

[0043] Specifically, combining Figures 2-5 As shown, the drive disk 10 is located on the upper end of the positioning disk 7. The upper end of the drive disk 10 is also provided with a reinforcing disk 15. The reinforcing disk 15 is provided with several second radial guide grooves 16 distributed in the circumferential direction. The second radial guide grooves 16 correspond one-to-one with the first radial guide grooves 9. The transmission pin 8 passes through the second radial guide grooves 16.

[0044] The reinforcing plate 15 can prevent the drive plate 10 from being deformed due to force, thus affecting the transmission accuracy. Under the dual constraints of the second radial guide groove 16 and the first radial guide groove 9, the transmission pin 8 can only move radially, avoiding circumferential offset. The dual guide can improve the straightness and stability of the movement of the transmission pin 8 and ensure the displacement accuracy.

[0045] Specifically, combining Figure 2 , Figure 3 and Figure 5 As shown, the lower end of the transmission pin 8 is fixed on the fan-shaped push block 6, and the upper end of the transmission pin 8 is provided with a cap 17. An arc-shaped liner 18 is provided between the cap 17 of the transmission pin 8 on the same fan-shaped push block 6 and the reinforcing plate 15.

[0046] The end cap 17 is used to prevent the drive pin 8 from coming out of the second radial guide groove 16, ensuring that the drive pin 8 is always connected to the drive disc 10. The arc-shaped liner 18 can reduce the friction between the end cap 17 and the reinforcing disc 15, reduce wear on the contact surface, and improve smoothness.

[0047] Preferably, combined with Figure 2 As shown, each sector-shaped push block 6 is provided with two transmission pins 8, and a radial groove 19 is provided between the two transmission pins 8. A guide post 20 that can move within the radial groove 19 is provided in the radial groove 19, and the lower end of the guide post 20 is fixed to the upper end of the inner ring 21 of the transfer disk 1.

[0048] Both the transmission pin 8 and the guide post 20 are equipped with guide sleeves.

[0049] Each sector-shaped push block 6 is equipped with two drive pins 8. The two drive pins 8 can distribute the force. The double drive pin design avoids uneven force on one side. The guide post 20 and the radial groove 19 are in a limiting fit. The guide post 20 can restrict the sector-shaped push block 6 to move only in the radial direction, ensuring that the movement path is without deviation.

[0050] Preferably, combined with Figure 2 As shown, the fan-shaped pusher 6 has a weight-reducing clearance opening 22 on the inner side of one end.

[0051] The weight reduction and clearance opening 22 can reduce the weight of the fan-shaped push block 6, reduce inertia, and improve response speed.

[0052] Specifically, combining Figures 1-5 As shown, the positioning plate 7 is provided with at least two positioning ears 23, which are sleeved on the positioning post 24 of the transfer plate 1. The reinforcing plate 15 is provided with at least two reinforcing ears 25, which are covered on the positioning post 24 and fixed to the positioning post 24 by bolts 26. The positioning ring 27 of the transfer plate 1 is provided with an installation step 28 that is adapted to the positioning ears 23.

[0053] Specifically, combining Figure 1 and Figure 2 As shown, the bottom of the drive disk 10 is in contact with the inner step 29 on the inner side of the positioning disk 7 and the positioning ring 27, and the upper surface of the drive disk 10 is in contact with the reinforcing disk 15.

[0054] The inner step 29 on the inner side of the positioning ring 27 plays a role in rotational positioning of the drive disk 10 to ensure the rotational accuracy of the drive disk 10.

[0055] Specifically, combining Figure 2 , Figure 3 , Figure 6 , Figure 7 and Figure 8 As shown, the transfer needle 2 includes a needle body 30. A hook tongue 31 and a force-receiving part 4 are respectively provided at the front end and the rear end of the needle body 30. A needle seat 32 is provided at the top of the needle body 30 for suspension and can restrict the needle body 30 to move horizontally only along the radial direction of the transfer disk 1. The needle seat 32 is connected to the needle body 30 by at least two tenon and mortise structures 33. A groove 34 is provided at the bottom of the transfer disk 1 to slide with the needle seat 32.

[0056] The needle body 30 and the needle seat 32 are further secured by welding, bonding or riveting.

[0057] The needle seat 32 at the top of the needle body 30 slides into the groove 34, which restricts the needle body 30 to move horizontally along the radial direction of the transfer disk 1. This ensures that the needle body 30 does not deviate from its position during the radial movement of the transfer disk 1, thereby achieving precision control.

[0058] The needle body 30 is suspended and fixed under the needle base 32 by two mortise and tenon structures 33. The positions of the two mortise and tenon structures 33 are distributed at intervals along the axial direction of the needle body 30, and the mating direction of the tenon and the mortise of the mortise and tenon structure 33 is the axial direction of the needle body. This design can realize the horizontal movement limit of the needle body 30 and the needle base 32, as well as the vertical movement limit of the needle body 30 and the needle base 32, ensuring the stability of the fixed connection between the needle body 30 and the needle base 32.

[0059] Specifically, combining Figures 6-8 As shown, the front and rear parts of the needle body 30 have vertically extending front lugs 35 and rear lugs 36, respectively. The needle seat 32 is provided with front lug through holes 37 and rear lug through holes 38 that are adapted to the front lugs 35 and rear lugs 36. The front lugs 35 and rear lugs 36 are respectively provided with front tenon grooves 39 and rear tenon grooves 40 on their front sides. The groove openings of the front tenon grooves 39 and rear tenon grooves 40 face the same direction.

[0060] The front tenon 39 and the rear tenon 40 have the same orientation, that is, they both face the front side of the needle body. The rear side of the front lug 35 has a guide ramp structure 41, which facilitates the assembly of the needle body 30 and the needle seat 32 and also serves as a reinforcing rib. Among them, the force-bearing part 4 can drive the needle body 30 to move radially along the transfer disk 1 after being subjected to force.

[0061] Specifically, combining Figures 6-8 As shown, the front lug 35 and rear lug 36 of the needle body are respectively inserted into the front lug through hole 37 and the rear lug through hole 38 of the needle seat, and the front lug 35 and rear lug 36 can move in the front lug through hole 37 and the rear lug through hole 38 respectively. Through the relative sliding between the needle body and the needle seat, the front tenon 39 and the rear tenon 40 are simultaneously tenoned with the needle seat 32. Specifically, they are tenoned with the needle seat 32 on the front side of the front lug through hole 37 and the rear lug through hole 38 respectively. That is, the needle seat part areas on the front side of the front lug through hole 37 and the rear lug through hole 38 respectively serve as tenons, thus obtaining two mortise and tenon structures 33.

[0062] Specifically, combining Figures 6-8 As shown, in this embodiment, the needle body 30 is sheet-shaped, and the needle seat 32 is a long rectangular parallelepiped structure. The maximum width of the needle seat 32 is greater than the width of the needle body 30. The two sides of the needle seat 32 protrude from the side walls of the needle body 30, forming a T-shaped structure.

[0063] In this embodiment, the opening of the hook tongue 31 is located at the top of the needle body 30, and a relief groove 42 is provided at the front end of the hook tongue 31. The design of the relief groove makes it easier for the coil on the knitting needle to enter the traction surface of the hook tongue 31 when the hook tongue 31 approaches the knitting needle.

[0064] The return force application part 3 of this embodiment includes a return force application half hole 43 provided on the rear end of the needle body 30. A tension spring can be provided in the return force application half hole 43, similar to the ring tension spring in the lip seal, as can be referred to in the prior art. When the needle body 30 moves radially outward along the transfer disk, the tension spring is pulled outward and deformed, which can apply a radially inward reset force to the needle body 30, thereby causing the needle body 30 to move radially inward along the transfer disk and reset.

[0065] Specifically, combining Figure 2 and Figure 6 As shown, the transfer tray 1 has a radially extending groove 34 and a needle anti-sway groove 44. The groove 34 is slidably connected to the needle holder 32, allowing the needle holder 32 to slide within the groove 34 under the action of an external force applied radially to the transfer tray 1. The needle anti-sway groove 44 accommodates the needle 30 and allows it to move radially along the transfer tray 1, effectively preventing the needle 30 from swaying during radial movement, thus achieving precision control and ensuring that the position of the needle 30 does not deviate. The groove 34 and the needle anti-sway groove 44 are connected and adapted to the structures of the needle holder 32 and the needle 30, respectively, forming a T-shaped structure. Furthermore, the transfer tray 1 has a travel clearance groove 45 at the front end of the groove 34 that matches the forward lug 35 of the needle.

[0066] The working principle of this utility model is as follows: the drive connection structure 12 drives the drive disk 10 to rotate. When the drive disk 10 rotates, the drive groove 11 of the drive disk 10 drives the transmission pin 8 to move along the first radial guide groove 9 of the positioning disk 7, thereby driving the fan-shaped push block 6 to move radially outward along the transfer disk 1. When the fan-shaped push block 6 moves radially outward, it acts on the force-bearing part 4 of the transfer needle 2, thereby pushing the transfer needle 2 to move radially outward along the transfer disk 1.

[0067] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0068] Although this paper extensively uses the following components: 1. Transfer plate; 2. Transfer pin; 3. Return force application part; 4. Force receiving part; 5. Force receiving part movable groove; 6. Fan-shaped push block; 7. Positioning plate; 8. Transmission pin; 9. First radial displacement guide groove; 10. Drive plate; 11. Drive groove; 12. Drive connection structure; 13. Drive connection ear; 14. Smooth part; 15. Reinforcing plate; 16. Second radial displacement guide groove; 17. End cap; 18. Arc-shaped liner; 19. Radial groove; 20. Guide post; 21. Inner ring; 22. Weight reduction clearance opening; 23. Positioning ear; 24. Positioning post; 25. Reinforcing ear; 26. Bolt; 27. Positioning ring. The following components are used: mounting step 28, inner step 29, pin body 30, hook tongue 31, pin seat 32, tenon and mortise structure 33, sliding groove 34, front lug 35, rear lug 36, front lug through hole 37, rear lug through hole 38, front tenon groove 39, rear tenon groove 40, guide ramp structure 41, clearance groove 42, return force half hole 43, pin body anti-sway groove 44, stroke avoidance strip groove 45, etc. These terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any additional limitation would contradict the spirit of this utility model.

Claims

1. An improved transfer device, comprising a transfer disc (1) having a plurality of transfer pins (2) suspended from the bottom of the disc (1) and capable of moving horizontally in the radial direction of the disc (1), a return force applying portion (3) and a force receiving portion (4) being provided on the transfer pin (2), the force receiving portion (4) being exposed to the top of the disc (1) through a force receiving portion movable slot (5) of the disc (1), characterized in that, The transfer disc (1) top is equipped with several along its circumferential distribution can be used to push the stress part (4) radially outwardly moving sector push block (6), the sector push block (6) top is equipped with fixedly arranged positioning disc (7), each sector push block (6) is equipped with at least two along the transfer disc (1) circumferential distribution transmission pin (8), each transmission pin (8) is respectively threaded in the first radial displacement guide groove (9) of positioning disc (7), when transmission pin (8) moves along the first radial displacement guide groove (9), it can drive sector push block (6) radially along the transfer disc (1) moves, the positioning disc (7) one end is equipped with driving disc (10), the driving disc (10) is equipped with several along the transfer disc (1) circumferential distribution and when driving disc (10) rotates for driving transmission pin (8) along the first radial displacement guide groove (9) moves the driving groove (11), the driving groove (11) and transmission pin (8) are arranged one by one, driving connection structure (12) is further arranged on the driving disc (10).

2. The improved transfer device of claim 1, wherein, The driving groove (11) is arc-shaped and extends and is inclined along the circumference, and the driving groove (11) is further provided with a gentle portion (14) at both ends.

3. The improved transfer device of claim 1, wherein, The driving disc (10) is arranged on the upper end of the positioning disc (7), and the upper end of the driving disc (10) is further provided with a reinforcing disc (15), the reinforcing disc (15) is provided with a plurality of second radial displacement guide grooves (16) distributed along the circumference, and the second radial displacement guide grooves (16) and the first radial displacement guide grooves (9) correspond one by one, and the transmission pin (8) is threaded through the second radial displacement guide groove (16).

4. The improved transfer device of claim 3, wherein, The lower end of the transmission pin (8) is fixed on the sector push block (6), and the upper end of the transmission pin (8) is provided with a head (17), and the head (17) of the transmission pin (8) on the same sector push block (6) is arranged between the reinforcing disc (15) and the arc-shaped lining plate (18).

5. The improved transfer device as claimed in claim 1 or 2 or 3 or 4, wherein, Two transmission pins (8) are arranged on each sector push block (6), and a radial groove (19) is arranged between the two transmission pins (8), the radial groove (19) is provided with a guide column (20) capable of moving in the radial groove (19), and the lower end of the guide column (20) is fixed on the upper end of the inner ring (21) of the transfer disc (1).

6. The improved transfer device of claim 1, wherein, One end of the sector push block (6) is provided with a weight-reducing displacement opening (22).

7. The improved transfer device of claim 3, wherein, The positioning disc (7) is provided with at least two positioning ears (23), the positioning ears (23) are sleeved on the positioning column (24) of the transfer disc (1), the reinforcing disc (15) is provided with at least two reinforcing ears (25), the reinforcing ears (25) are arranged on the positioning column (24) and are fixed on the positioning column (24) by bolts (26), and the positioning ring (27) of the transfer disc (1) is provided with a mounting step (28) matched with the positioning ear (23).

8. The improved transfer device of claim 7, wherein, The bottom of the driving disc (10) is in contact with the inner step (29) on the inner side of the positioning disc (7) and the positioning ring (27), and the upper surface of the driving disc (10) is in contact with the reinforcing disc (15).

9. The improved transfer device of claim 1, wherein, The transfer needle (2) comprises a needle body (30), a hook tongue (31) and a force receiving part (4) are arranged at the front end and the rear end of the needle body (30) respectively, a needle seat (32) for hanging and capable of limiting the needle body (30) to only move along the radial direction of the transfer disc (1) is arranged at the top of the needle body (30), the needle seat (32) is connected with the needle body (30) through at least two mortise and tenon structures (33), and a sliding groove (34) in sliding fit with the needle seat (32) is arranged at the bottom of the transfer disc (1).

10. The improved transfer device of claim 9, wherein, The front part and the rear part of the needle body (30) are respectively provided with vertically extending front lugs (35) and rear lugs (36), the needle seat (32) is provided with front lug through holes (37) and rear lug through holes (38) corresponding to the front lugs (35) and the rear lugs (36), and front mortise grooves (39) and rear mortise grooves (40) are respectively arranged on the front sides of the front lugs (35) and the rear lugs (36), and the slot openings of the front mortise grooves (39) and the rear mortise grooves (40) are in the same direction.

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