Transfer disc

Abstract

The utility model belongs to the technical field of hosiery machines, and particularly relates to a transfer disc which solves the problems that the driving force cost is high, and the synchronization of transfer needles is difficult to maintain stably. The transfer disc comprises an annular disc body, a plurality of transfer needles distributed in the circumferential direction of the disc body are arranged in the disc body, at least one part of each transfer needle is arranged in a radial limiting groove which can only move in the radial direction of the disc body, and the front end of each transfer needle can stretch out to the inner side of the disc body. L-shaped swing bodies which are hinged to the disc body are arranged at the rear ends of the transfer needles, the two ends of each L-shaped swing body can swing around the corresponding hinge point, one end of each L-shaped swing body is hinged to the rear end of the corresponding transfer needle, and a lifting driving mechanism which can drive the corresponding transfer needle to move in the radial direction of the corresponding radial limiting groove by making the L-shaped swing bodies swing is arranged at the other end of each L-shaped swing body. The effect of efficiently and stably controlling the synchronous movement of the transfer needle is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hosiery machine, especially relates to a transfer disc. BACKGROUND

[0002] The transfer needle is arranged on the transfer disc body, and the transfer needle cooperates with the vertical knitting needle of the hosiery machine to perform the action of hooking the yarn and forming the loop during the radial movement, so that the hosiery is knitted.

[0003] In the prior art, the driving blocks of the transfer needles of some hosiery machines can move radially, the synchronous action of the driving blocks is driven through the arc-shaped groove and other structures to realize the synchronous radial expansion and contraction action of the transfer needles, however, such a driving mode needs to overcome the resistance such as the friction between the arc-shaped groove, the driving blocks and the disc body, the driving force cost is increased, and as the use time increases, the different degrees of wear of the arc-shaped groove can cause the movement stroke of the transfer needles to deviate, and the stable knitting effect cannot be guaranteed. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above problems existing in the prior art, and provides a transfer disc.

[0005] In order to realize the purpose of the utility model, the following technical schemes can be used:

[0006] A transfer disc comprises a disc body in the shape of a ring, a plurality of transfer needles are arranged in the disc body and distributed along the circumference of the disc body, at least a part of the transfer needles is arranged in a radial limiting groove which allows the transfer needles to move only in the radial direction of the disc body, the front end of the transfer needle can extend to the inner side of the disc body, a L-shaped swing body is arranged on the rear end of the transfer needle and hinged to the disc body, the two ends of the L-shaped swing body can swing around the hinge point, and a lifting driving mechanism is arranged on the other end of the L-shaped swing body and can drive the L-shaped swing body to swing so as to drive the transfer needle to move in the radial direction along the radial limiting groove.

[0007] The transfer disc of the utility model is a related structure of the hosiery machine, the main body is a disc body in the shape of a ring, the transfer needle is arranged in the radial limiting groove on the inner side of the disc body and can expand and contract in the radial direction, is used for extending to hook the yarn and retracting to form the loop, and the knitting is realized through such repeated implementation, the two ends of the L-shaped swing body are connected with the transfer needle and the lifting driving mechanism respectively, can swing around the hinge point, the lifting driving mechanism drives the vertical lifting action of the outer end of the horizontal section of the L-shaped swing body, and then the transverse movement of the lower end of the vertical section is realized, that is, the radial expansion and contraction action of the transfer needle connected with the lower end is driven, the driving effect is stable, of course, the height of the radial movable part of the transfer needle in the radial limiting groove is adapted to the height of the radial limiting groove, under the premise of ensuring smooth movement, the transfer needle can move without rotating, and the knitting effect is ensured.

[0008] In the transfer disc, the lifting driving mechanism comprises a lifting ring arranged below the other end of the L-shaped swing body and capable of lifting, the lifting ring is connected with the lifting driving assembly, and the plurality of transfer pins are connected with the ring-shaped tension spring.

[0009] The lifting ring is driven by the lifting driving assembly to lift, the transfer pins are connected with the lifting ring, the outer end of the horizontal section of the transfer pins can lift with the lifting of the lifting ring, and the ring-shaped tension spring is arranged to enable the L-shaped swing body to have an elastic tendency of swing reset, so that the control of the two-direction rotation of the L-shaped swing body is realized.

[0010] In the transfer disc, the disc body comprises a top disc and a bottom disc, the inner sides of the top disc and the bottom disc are connected through a pin ring, and a plurality of radial limiting grooves uniformly distributed in the circumferential direction are arranged between the pin ring and the disc body.

[0011] The top disc, the pin ring and the bottom disc form a U-shaped structure with an opening facing the radial outer side, an inner space is formed for arranging the L-shaped swing body and other related structures, the radial limiting grooves are arranged on the inner side, the cooperation of the transfer pins and the L-shaped swing body is realized, and the layout is reasonable.

[0012] In the transfer disc, the radial limiting grooves are arranged at the bottom of the pin ring.

[0013] Alternatively, a plurality of lower pin ring isolation pieces uniformly distributed in the circumferential direction and arranged in the axial direction are arranged on the inner side of the bottom disc, and the radial limiting grooves are formed between the adjacent two lower pin ring isolation pieces.

[0014] Alternatively, a plurality of lower pin ring isolation pieces uniformly distributed in the circumferential direction and arranged in the axial direction are arranged on the inner side of the bottom disc, a plurality of upper pin ring isolation pieces arranged in the circumferential direction and arranged in the axial direction are arranged below the pin ring, the upper pin ring isolation pieces correspond to the lower pin ring isolation pieces one by one, the upper radial grooves are formed between the adjacent two upper pin ring isolation pieces, the lower radial grooves are formed between the adjacent two upper pin ring isolation pieces, and the upper radial grooves and the lower radial grooves are combined into the radial limiting grooves.

[0015] The radial limiting grooves can be formed only at the bottom of the pin ring, can be separated by the lower pin ring isolation pieces arranged on the top surface of the bottom disc, or can be separated by the corresponding isolation pieces arranged on the top surface of the bottom disc and the bottom surface of the pin ring respectively, and the setting forms are various, which is helpful to adjust the height of the radial limiting grooves to match different transfer pins and increase the adaptability of the accessories.

[0016] In the transfer disc, the inner diameter of the pin ring gradually decreases from the upper end to the lower end to form an inner inclined surface.

[0017] The radial inner side of the needle ring is inclined, that is, the upper part is larger than the lower part. The transfer needle is located at the lower side of the needle ring. The hook body at the front end and the vertical needle cooperate to achieve knitting. The larger opening at the upper part of the needle ring helps to improve the field of view, so that maintenance personnel can observe the cooperation of the transfer needle and the vertical needle, and maintenance and repair are convenient.

[0018] In the transfer disc, an extension ring is arranged between the inner inclined surface and the bottom of the needle ring to increase the radial thickness.

[0019] The lower end of the needle ring is provided with an extension ring to increase the radial thickness, which improves the structural strength and forms a wider annular part to increase the length of the radial limiting groove and ensure the stable positioning of the radial movement of the transfer needle.

[0020] In the transfer disc, the transfer needle is in a strip-shaped flat shape, and a displacement slot is arranged at one side of the rear end of the transfer needle. One end of the L-shaped swing body is arranged in the displacement slot and is hinged to the transfer needle through a hinge shaft.

[0021] The displacement slot is arranged on the transfer needle, and the L-shaped swing body is connected to the displacement slot through a hinge shaft, which ensures effective rotary connection and controls the overall thickness.

[0022] In the transfer disc, the transfer needle includes a strip-shaped flat needle body. A hook body is arranged at the front end of the needle body. A vertical slot is arranged at the outer end of the hook body. A tension spring clamping groove is arranged at the rear end of the needle body. A ring-shaped tension spring is clamped in the tension spring clamping groove.

[0023] The needle body is in a strip-shaped flat shape. The part connected to the radial limiting groove is a straight line with a constant width. The displacement slot is arranged at one side of the rear end of the needle body. The hook body at the front end is used to specifically hook the thread to form a loop. The vertical slot is arranged to butt joint the relevant structure in the front end direction to position and ensure the stability in the thickness direction. The opening of the tension spring clamping groove faces the radial outer side, which is convenient for clamping and sleeving the ring-shaped tension spring, so that the needle body has an elastic tendency to move inward.

[0024] In the transfer disc, a reinforcing part is arranged between the displacement slot and the tension spring clamping groove of the needle body to increase the height.

[0025] The reinforcing part increases the height of the needle body at the displacement slot position, which improves the structural strength.

[0026] In the transfer disc, the bottom surface of the top disc is provided with a hinge ring. The L-shaped swing body is arranged on the hinge ring through a clamping structure between the two ends. A plurality of swing rod movable slots are arranged on the bottom of the top disc and are uniformly distributed in the circumferential direction.

[0027] The L-shaped swing body is connected with the hinged ring through a clamping structure, so that the L-shaped swing body can stably rotate, and the clamping structure has flexible detachability; the swing rod moving groove on the top disc is used for positioning the L-shaped swing body in the thickness direction, so that the L-shaped swing body can keep a vertical state to perform corresponding rotating movement.

[0028] In the transfer disc, the clamping structure comprises an arc-shaped lower clamping groove arranged between the two ends of the L-shaped swing body, an elongated clamping arm arranged above the arc-shaped lower clamping groove, a rear end of the elongated clamping arm being integrated with the other end of the L-shaped swing body, an arc-shaped upper clamping groove arranged on the inner side of the front end of the elongated clamping arm, and an elongated clamping arm deformation gap arranged between the elongated clamping arm and the L-shaped swing body on the inner side of the arc-shaped lower clamping groove and the arc-shaped upper clamping groove.

[0029] The hinged ring is located between the oppositely arranged arc-shaped lower clamping groove and arc-shaped upper clamping groove, and can realize relative rotation. In addition, the arc-shaped upper clamping groove is arranged on the elongated clamping arm which extends towards the hinged ring. The elongated clamping arm deformation gap enables the elongated clamping arm to deform towards or away from the arc-shaped lower clamping groove, and has a tendency to move close to the arc-shaped lower clamping groove, thereby realizing stable hinged connection. In addition, the spacing between the side of the arc-shaped upper clamping groove and the side of the arc-shaped upper clamping groove is less than the diameter of the arc-shaped upper clamping groove or the arc-shaped lower clamping groove. The arc-shaped lower clamping groove is arranged on the inclined surface of the front end of the L-shaped swing body. The hinged ring can move on the arc-shaped lower clamping groove in a certain vertical direction, which can adapt to the need that the end of the L-shaped swing body connected with the transfer needle moves along an arc to a straight line when the L-shaped swing body rotates, thereby ensuring the driving of the radial movement of the transfer needle.

[0030] As another possible optimization, a top rod gradually inclined towards the inner side from the inner end to the outer end is arranged on the outer end of the elongated clamping arm, and the spacing between the top rod and the two sides of the arc-shaped lower clamping groove is less than the diameter of the arc-shaped lower clamping groove.

[0031] In the transfer disc, the lifting driving assembly comprises a cam fixed ring arranged on the outer side of the disc body, a cam movable ring arranged on the outer side of the cam fixed ring and capable of rotating in the circumferential direction, a jacking ring connected with the cam movable ring through a plurality of driving rods distributed in the circumferential direction of the jacking ring, inner ends of the driving rods being connected with the jacking ring, outer ends of the driving rods being sequentially arranged in a vertical groove of the cam fixed ring and an arc-shaped groove of the cam movable ring, one side of the arc-shaped groove being higher than the other side, and the cam movable ring being connected with a reciprocating rotary driving unit capable of driving the rotation of the cam movable ring.

[0032] The cam movable ring is rotatably connected to the outside of the cam fixed ring, and can make reciprocating rotation under the driving of the reciprocating rotation driving unit, the cam movable ring is connected with the jacking ring through a driving rod, the driving rod passes through the vertical slot of the cam fixed ring, so that the driving rod can only make vertical movement, and the outer end of the driving rod is connected with the arc-shaped slot arranged on the cam movable ring, with the rotation of the cam movable ring, the driving rod moves in the arc-shaped slot towards the high end or the low end, that is, the vertical movement is realized, and the effect of driving the jacking ring to move up and down is achieved, and the driving effect is stable.

[0033] Specifically, the reciprocating rotation driving unit can be realized through a linear driving cylinder, the cylinder body and the output end of the linear driving cylinder are respectively hingedly connected with the mounting rack and the outer wall of the cam movable ring, and the linear driving cylinder realizes the effect of driving the cam movable ring to rotate through the extension and retraction action.

[0034] Compared with the prior art, the utility model mainly has the following advantages:

[0035] 1. The two ends of the L-shaped swing body are respectively connected with the transfer needle and the lifting driving mechanism, can swing around the hinge point, the lifting driving mechanism drives the vertical lifting action of the outer end of the horizontal section of the L-shaped swing body, and then the horizontal movement of the lower end of the vertical section is realized, that is, the radial extension and retraction action of the transfer needle connected with the lower end of the vertical section is driven, and the driving effect is stable.

[0036] 2. The jacking ring is driven to move up and down by the lifting driving assembly, and the radial movement of the transfer needle is driven, the setting of the annular tension spring makes the L-shaped swing body have the elastic tendency of swing reset, and the control of the two-direction rotation of the L-shaped swing body is realized.

[0037] 3. The top disc, the needle ring and the bottom disc form the structure with the U-shaped section, the space is formed in the inside for arranging the L-shaped swing body and other related structures, the radial limiting groove is arranged in the inside, the cooperation of the transfer needle and the L-shaped swing body is realized, and the layout is reasonable.

[0038] 4. The radial limiting groove can be set in various forms, which is helpful to adjust the height of the radial limiting groove, so as to match different transfer needles and increase the adaptability of the accessory.

[0039] 5. The transfer needle is provided with the accommodation groove, the L-shaped swing body is connected to the accommodation groove through the hinge shaft, effective rotation connection is ensured, and the overall thickness is controlled.

[0040] 6. The vertical groove on the needle body can be connected with the related structure in the front direction to be positioned, and the stability in the thickness direction is ensured.

[0041] 7. The reinforcing part increases the height of the needle body at the position of the accommodation groove, and improves the structural strength.

[0042] 8. The hinge ring is located between the relatively arranged arc-shaped lower slot and the arc-shaped upper slot. The extended arm deformation gap enables the extended arm to have the ability to deform closer to or away from the arc-shaped lower slot, which can adapt to the need of the end of the L-shaped swing body connected to the transfer needle that should move along the arc when the L-shaped swing body swings and rotates to move in a straight line together with the transfer needle, thereby ensuring the drive of the radial movement of the transfer needle.

[0043] 9. The radial inner side of the needle ring is inclined, that is, it is larger at the top and smaller at the bottom. The transfer needle is located at the lower side of the needle ring. The hook at its front end cooperates with the vertical needle to form a circle. The larger opening at the top of the needle ring helps to improve the field of vision, making it easier for maintenance personnel to observe the coordination between the transfer needle and the vertical needle, and also facilitates maintenance and repair.

[0044] 10. The lower end of the needle ring is provided with an extension ring to form a larger radial thickness. On the one hand, it improves the structural strength, and on the other hand, it forms a wider annular part, which helps to increase the length of the radial limit groove and ensure the stable limit of the radial movement of the transfer needle. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic diagram of the overall structure provided by the utility model;

[0046] Figure 2 It is a cross-sectional schematic diagram provided by the utility model;

[0047] Figure 3 This is a schematic diagram of the structure of the transfer needle and the L-shaped swing body provided by the utility model;

[0048] Figure 4 It is a structural diagram of the top plate provided by the utility model;

[0049] Figure 5 The utility model provides Figure 2 A magnified view of the details at center A;

[0050] Figure 6 This is a schematic diagram of the cooperation between the transfer needle and the vertical needle provided by the present invention;

[0051] Figure 7 The utility model provides Figure 2 A magnified view of the details at position B in the middle (Example 1);

[0052] Figure 8 The utility model provides Figure 2 A magnified view of the details at position B in the middle (Example 2);

[0053] Figure 9 The utility model provides Figure 2 A magnified view of the details at position B (Example 3).

[0054] In the figure, the disc body 1, radial limiting groove 11, top disc 12, bottom disc 13, needle ring 14, inward inclined surface 141, extension ring 142, lower needle ring spacer 15, upper needle ring spacer 16, upper radial groove 17, lower radial groove 18, rocker movable groove 19,

[0055] Transfer needle 2, needle body 21, give way groove 22, hook body 23, vertical groove 24, tension spring slot 25, reinforcement part 26, hinge shaft 27,

[0056] L-shaped swing body 3, clamping structure 31, arc-shaped lower clamping groove 32, arc-shaped upper clamping groove 33, extended clamping arm 34, extended clamping arm deformation gap 35,

[0057] Lifting drive mechanism 4, lifting ring 41, lifting drive assembly 42, cam fixed ring 43, cam movable ring 44, drive rod 45, vertical groove 46, arc groove 47, reciprocating rotation drive unit 48, drive rod bolt 49,

[0058] Ring tension spring 5,

[0059] Hinge ring 6,

[0060] Vertical stitch 7. DETAILED DESCRIPTION

[0061] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0062] Example 1

[0063] Specific implementation examples Figures 1-7 As shown, the transfer disk includes a ring-shaped disk body 1, and a plurality of transfer needles 2 (only one is shown in the figure) distributed along the circumference of the disk body 1 are provided in the disk body 1. At least a part of the transfer needle 2 is arranged in a radial limiting groove 11 which can only move radially along the disk body 1, and the front end of the transfer needle 2 can extend to the inner side of the disk body 1. The rear end of the transfer needle 2 is provided with an L-shaped swinging body 3 which is hinged on the disk body 1 and can swing around the hinge point at both ends. One end of the L-shaped swinging body 3 is hinged to the rear end of the transfer needle 2, and the other end is provided with a lifting drive mechanism 4 which can swing the L-shaped swinging body 3 and drive the transfer needle 2 to move radially along the radial limiting groove 11.

[0064] Specifically, the transfer disc is related structure of the hosiery machine, the main body is annular disc body 1, transfer needle 2 is arranged in the radial limit groove 11 of the inner side of disc body 1, can radially telescopic action, for stretching and vertical needle 7 cooperation hook yarn and retreat into a circle, so repeatedly realize knitting, L-shaped swing body 3 two ends are connected with transfer needle 2 and lifting drive mechanism 4 respectively, can swing around hinge point, lifting drive mechanism 4 drives the vertical lifting action of the horizontal section outer end of L-shaped swing body 3, further realizes the horizontal movement of the lower end of vertical section, that is, drive radial telescopic action of transfer needle 2 connected therewith, driving effect is stable, of course, the height of the radial movable part of transfer needle 2 in the radial limit groove 11 is adapted to the height of the radial limit groove 11, under the premise of ensuring smooth movement, transfer needle 2 can move without rotating, ensure knitting effect.

[0065] As Figure 1 , 2 , 5 shows, lifting drive mechanism 4 includes setting in the lower of L-shaped swing body 3 other end can lift the jacking ring 41, jacking ring 41 is connected with lifting drive assembly 42, several transfer needles 2 are connected with annular tension spring 5.Lifting drive assembly 42 includes the cam fixed ring 43 arranged outside disc body 1, the outside of cam fixed ring 43 is equipped with the cam movable ring 44 that can rotate in circumference, jacking ring 41 is connected with cam movable ring 44 through several drive rods 45 distributed along its circumference, drive rod 45 is tubular, can be detachably fixed on the outer side wall of jacking ring 41 through the drive rod bolt 49 threaded, and the inner end of drive rod 45 is connected with jacking ring 41, and the outer end is sequentially threaded cam fixed ring 43 vertical slot 46 and cam movable ring 44 arc slot 47, one side of arc slot 47 is higher than the other side, cam movable ring 44 is connected with reciprocating rotary drive unit 48 that can drive it to rotate.

[0066] Specifically, jacking ring 41 is driven to lift by lifting drive assembly 42, transfer needle 2 is connected with jacking ring 41, the outer end of the horizontal section can lift with the lifting of jacking ring 41, and the setting of annular tension spring 5 makes L-shaped swing body 3 have the elastic tendency of swing reset, realizes the control to the rotation of L-shaped swing body 3 in two directions.Cam movable ring is rotatably connected to the outside of cam fixed ring 43, which can make reciprocating rotation under the drive of reciprocating rotary drive unit 48, cam movable ring 44 is connected with jacking ring 41 through drive rod 45, the drive rod 45 is threaded through the vertical slot 46 of cam fixed ring 43, so that it can only move vertically, and the outer end of drive rod 45 is connected with the inclined arc slot 47 of cam movable ring 44, with the rotating movement of cam movable ring 44, drive rod 45 moves to the high end or low end in arc slot 47, that is, realizes the vertical movement, and further achieves the effect of driving jacking ring 41 to lift, and the driving effect is stable.

[0067] In the embodiment, the reciprocating rotary driving unit 48 is realized by a linear driving cylinder, the cylinder body and the output end of which are respectively connected to the mounting frame and the outer wall of the cam moving ring 44 in a hinged manner, and the effect of driving the cam moving ring 44 to rotate is realized through the extension and retraction action of the linear driving cylinder.

[0068] As shown in Figure 5 , 7 , the disc body 1 comprises a top disc 12 and a bottom disc 13, the inner sides of the top disc 12 and the bottom disc 13 are connected through a needle ring 14, a plurality of radial limiting grooves 11 are uniformly distributed in the circumferential direction between the needle ring 14 and the disc body 1, the inner diameter of the needle ring 14 gradually decreases from the upper end to the lower end to form an inner inclined surface 141, an extension ring 142 for increasing the radial thickness is arranged between the lower end of the inner inclined surface 141 and the bottom of the needle ring 14, and the radial limiting grooves 11 are arranged at the bottom of the extension ring 142.

[0069] Specifically, the top disc 12, the needle ring 14 and the bottom disc 13 form a U-shaped structure with the opening facing the radial outside, an inner space is formed for arranging the L-shaped swing body 3 and other related structures, and the radial limiting grooves 11 are arranged on the inner side. The inner side of the needle ring 14 is inclined, i.e. large at the upper end and small at the lower end, the transfer needle 2 is located at the lower side of the needle ring 14, the hook body 23 at the front end of the transfer needle 2 cooperates with the vertical needle 7 to realize the hooking of the thread into a loop, the larger opening at the upper end of the needle ring 14 helps to improve the field of view, facilitating the observation of the cooperation between the transfer needle 2 and the vertical needle by the maintenance personnel, and facilitates maintenance and repair. Correspondingly, the outer side of the needle ring 14 is also inclined, the vertical section of the L-shaped swing body 3 is located radially outside the outer side, the inclined outer side can give way to the swing of the L-shaped swing body 3, ensuring the smooth swing and rotation of the L-shaped swing body 3, and improving the compactness of the structure. The lower end of the needle ring 14 is provided with the extension ring 142, which has a larger radial thickness, on the one hand improving the structural strength, and on the other hand forming a wider annular part, which helps to increase the length of the radial limiting grooves 11 and ensure the stable positioning of the radial movement of the transfer needle 2.

[0070] As an optimization of the embodiment, the top disc 12 and the needle ring 14 are fixed by bolts, the top disc 12 and the bottom disc 13 are connected by the cam fixed ring 43, the upper and lower ends of the cam fixed ring 43 are bolted to the top disc 12 and the bottom disc 13 respectively, and the lower end of the needle ring 14 is in contact with the top surface of the bottom disc 13. The overall structure is stable and has flexible dismountability.

[0071] As shown in Figure 3 , 5As shown, the transfer needle 2 is in a strip flat shape, and a let-in slot 22 is arranged at the rear end of the transfer needle 2. One end of the L-shaped swing body 3 is arranged in the let-in slot 22 and is hinged to the transfer needle 2 through a hinge shaft 27. The L-shaped swing body 3 is in a flat shape, and the thickness thereof is not greater than the depth of the let-in slot 22. The transfer needle 2 comprises a needle body 21 in a strip flat shape. A hook body 23 is arranged at the front end of the needle body 21. A vertical slot 24 is arranged on the outer end of the hook body 23. A tension spring clamping groove 25 is arranged at the rear end of the needle body 21. A ring-shaped tension spring 5 is clamped in the tension spring clamping groove 25. The let-in slot 22 and the tension spring clamping groove 25 of the needle body 21 are provided with a reinforcing portion 26 capable of increasing the height.

[0072] Specifically, the let-in slot 22 is arranged on the transfer needle 2, and the L-shaped swing body 3 is connected to the let-in slot 22 through the hinge shaft 27, thereby ensuring effective rotary connection. Moreover, the thickness of the L-shaped swing body 3 is not greater than the let-in slot 22, which is helpful to control the overall thickness and avoid interference of the combination of the adjacent transfer needle 2 and L-shaped swing body 3. The needle body 21 is in a strip flat shape. The part connected to the radial limiting slot 11 is a straight line body with constant width. The let-in slot 22 is arranged at one side of the rear end of the needle body 21. The hook body 23 at the front end is used to specifically hook the line to form a loop. The vertical slot 24 is arranged to butt joint the relevant structure in the front end direction to position, thereby ensuring the stability in the thickness direction. The opening of the tension spring clamping groove 25 faces the radial outer side, which is convenient for clamping and sleeving the ring-shaped tension spring 5, so that the needle body 21 has an elastic tendency of moving inward. The reinforcing portion 26 increases the height of the needle body 21 at the position of the let-in slot 22, thereby improving the structural strength.

[0073] As shown in Figure 4 , 5 , the top disc 12 is provided with a hinge ring 6 at the bottom surface. The L-shaped swing body 3 is arranged on the hinge ring 6 through the clamping structure 31 between the two ends. A plurality of swing rod movable slots 19 are arranged at the bottom of the top disc 12 and are uniformly distributed in the circumferential direction. The clamping structure 31 comprises an arc-shaped lower clamping groove 32 arranged between the two ends of the L-shaped swing body 3. An elongated clamping arm 34 is arranged above the arc-shaped lower clamping groove 32. The rear end of the elongated clamping arm 34 is integrated with the other end of the L-shaped swing body 3. An arc-shaped upper clamping groove 33 is arranged at the front end of the elongated clamping arm 34. The arc-shaped lower clamping groove 32 and the arc-shaped upper clamping groove 33 are provided with an elongated clamping arm deformation gap 35 between the elongated clamping arm 34 and the L-shaped swing body 3.

[0074] Specifically, the L-shaped swing body 3 is connected with the hinge ring 6 through the clamping structure 31, so that the L-shaped swing body 3 can stably rotate, and the clamping mode has flexible detachability; the swing rod movable slot 19 on the top disc 12 is used for positioning the L-shaped swing body 3 in the thickness direction, so as to ensure that the L-shaped swing body 3 can keep a vertical state to perform corresponding rotating movement. The hinge ring 6 is located between the arc-shaped lower clamping slot 32 and the arc-shaped upper clamping slot 33 arranged oppositely, and can realize relative rotation. In addition, the arc-shaped upper clamping slot 33 is located on the lengthened clamping arm, the lengthened clamping arm 34 extends towards the hinge ring 6, the lengthened clamping arm has the ability to deform towards or away from the arc-shaped lower clamping slot 32 through the lengthened clamping arm deformation gap 35, and has a tendency to move close to the arc-shaped lower clamping slot 32, so as to realize stable hinge connection. In addition, the spacing between the side of the arc-shaped upper clamping slot 33 and the side of the arc-shaped upper clamping slot 33 is less than the diameter of the arc-shaped upper clamping slot 33 or the arc-shaped lower clamping slot 32. The arc-shaped lower clamping slot 32 is arranged on the inclined surface at the front end of the L-shaped swing body 3, and the hinge ring 6 can move relatively on the arc-shaped lower clamping slot 32. The movement has a certain vertical displacement component, and can adapt to the need that the end of the L-shaped swing body 3 connected with the transfer needle 2 should move along an arc to become a linear motion together with the transfer needle 2 when the L-shaped swing body 3 rotates and swings, so as to ensure the driving of the radial movement of the transfer needle 2.

[0075] Specific working principle: when the transfer needle 2 needs to retract, the reciprocating rotary drive unit 48 drives the cam rotating ring 44 to rotate, the arc-shaped slot 47 pushes the driving rod 45 upwards, the lifting ring 41 rises, the L-shaped swing body 3 at the rear end of the lifting ring 41 swings, the lower end drives the transfer needle 2 to retract radially, and the lengthened clamping arm 34 deforms upwards adaptively during the process. The hinge ring 6 moves relatively upwards in the arc-shaped lower clamping slot 32. When it is needed to extend, the cam rotating ring 44 reversely rotates, and the annular tension spring 5 pushes the transfer needle 2 inward, so that the transfer needle 2 extends.

[0076] Embodiment 2

[0077] The specific working principle of this embodiment is basically the same as that of embodiment 1, and the difference lies in the radial limiting slot 11.

[0078] Specific embodiments such as Figure 8 As shown, the bottom disc 13 has a plurality of lower needle ring isolation sheets 15 which are uniformly distributed in the circumferential direction and arranged in the axial direction. The top surface of the lower needle ring isolation sheet 15 is in contact with the bottom surface of the extension ring 142. The radial limiting slot 11 is formed between the adjacent two lower needle ring isolation sheets 15.

[0079] Embodiment 3

[0080] The specific working principle of this embodiment is basically the same as that of embodiment 1, and the difference lies in the radial limiting slot 11.

[0081] The specific implementation is as follows Figure 9 As shown in the figure, the bottom plate 13 is provided with a plurality of lower needle ring isolation pieces 15 which are uniformly distributed in the circumferential direction and arranged in the axial direction. The extension ring 142 is provided with a plurality of upper needle ring isolation pieces 16 which are uniformly distributed in the circumferential direction and arranged in the axial direction. The upper needle ring isolation pieces 16 correspond to the lower needle ring isolation pieces 15 one by one. An upper radial slot 17 is formed between two adjacent upper needle ring isolation pieces 16. A lower radial slot 18 is formed between two adjacent upper needle ring isolation pieces 16. The upper radial slot 17 and the lower radial slot 18 are combined into a radial limiting slot 11.

[0082] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. A transfer disc comprising a disc body (1) in the shape of a ring, said disc body (1) being provided with a plurality of transfer pins (2) distributed along the circumference of the disc body (1), characterized in that, The transfer needle (2) is arranged in the radial limiting groove (11) which can only move in the radial direction of the disc body (1), and the front end of the transfer needle (2) can extend to the inside of the disc body (1), and the rear end of the transfer needle (2) is hingedly connected to the disc body (1) and can swing at both ends of the hinge point, and the L-shaped swing body (3) is arranged at one end of the transfer needle (2) and the other end of the L-shaped swing body (3) is provided with a lifting driving mechanism (4) which can drive the L-shaped swing body (3) to swing and drive the transfer needle (2) to move in the radial direction of the radial limiting groove (11).

2. The transfer plate of claim 1, wherein, The lifting driving mechanism (4) comprises a lifting ring (41) arranged below the other end of the L-shaped swing body (3) and capable of lifting, the lifting ring (41) is connected with a lifting driving assembly (42), and a plurality of transfer needles (2) are connected with a ring-shaped tension spring (5).

3. The transfer plate of claim 1, wherein, The disc body (1) comprises a top disc (12) and a bottom disc (13), the inside of the top disc (12) and the bottom disc (13) is connected through a needle ring (14), and a plurality of radial limiting grooves (11) are uniformly distributed in the circumferential direction and arranged between the needle ring (14) and the disc body (1).

4. The transfer plate of claim 3, wherein, The radial limiting groove (11) is arranged at the bottom of the needle ring (14). Alternatively, a plurality of lower needle ring isolation sheets (15) are uniformly distributed in the circumferential direction and arranged in the axial direction on the inside of the bottom disc (13), and the radial limiting groove (11) is formed between the adjacent two lower needle ring isolation sheets (15). Alternatively, a plurality of lower needle ring isolation sheets (15) are uniformly distributed in the circumferential direction and arranged in the axial direction on the inside of the bottom disc (13), a plurality of upper needle ring isolation sheets (16) are arranged in the circumferential direction and arranged in the axial direction below the needle ring (14), the upper needle ring isolation sheet (16) corresponds to the lower needle ring isolation sheet (15) one by one, the upper radial groove (17) is formed between the adjacent two upper needle ring isolation sheets (16), the lower radial groove (18) is formed between the adjacent two upper needle ring isolation sheets (16), and the upper radial groove (17) and the lower radial groove (18) are combined into the radial limiting groove (11).

5. The transfer plate according to claim 3 or 4, characterized in that The inner diameter of the needle ring (14) is gradually reduced from the upper end to the lower end to form an inner inclined surface (141).

6. The transfer plate of claim 5, wherein, An extension ring (142) for increasing the radial thickness is arranged between the lower end of the inner inclined surface (141) and the bottom of the needle ring (14).

7. The transfer plate of claim 1 or 2 or 3 or 4, wherein, The transfer needle (2) is in a strip-shaped flat shape, a letting-in groove (22) is arranged on one side of the rear end of the transfer needle (2), one end of the L-shaped swing body (3) is arranged in the letting-in groove (22) and is hingedly connected to the transfer needle (2) through a hinge shaft (27), and the L-shaped swing body (3) is in a flat shape and the thickness thereof is not greater than the depth of the letting-in groove (22).

8. The transfer plate of claim 7, wherein, The transfer needle (2) comprises a strip-shaped flat needle body (21), a hook body (23) is arranged at the front end of the needle body (21), a vertical groove (24) is arranged at the outer end of the hook body (23), a tension spring clamping groove (25) is arranged at the rear end of the needle body (21), and the tension spring clamping groove (25) clamps the ring-shaped tension spring (5).

9. The transfer plate of claim 8, wherein, The letting-in groove (22) and the tension spring clamping groove (25) of the needle body (21) are provided with a reinforcing portion (26) which can increase the height.

10. The transfer plate of claim 3 or 4, wherein, The bottom surface of the top disc (12) is provided with a hinge ring (6), the L-shaped swing body (3) is arranged on the hinge ring (6) through the clamping structure (31) between two ends, and a plurality of swing rod movable grooves (19) are arranged on the bottom of the top disc (12) and are uniformly distributed in the circumferential direction.

11. The transfer plate of claim 10, wherein, The clamping structure (31) comprises an arc-shaped lower clamping groove (32) arranged between the two ends of the L-shaped swing body (3), an elongated clamping arm (34) is arranged above the arc-shaped lower clamping groove (32), the rear end of the elongated clamping arm (34) is connected with the other end of the L-shaped swing body (3) in an integrated manner, an arc-shaped upper clamping groove (33) is arranged on the inner side of the front end of the elongated clamping arm (34), and an elongated clamping arm deformation gap (35) is arranged between the elongated clamping arm (34) and the L-shaped swing body (3) on the inner sides of the arc-shaped lower clamping groove (32) and the arc-shaped upper clamping groove (33).

12. The transfer plate of claim 2, wherein, The lifting driving assembly (42) comprises a cam fixed ring (43) arranged on the outer side of the disc body (1), the outer side of the cam fixed ring (43) is provided with a cam movable ring (44) capable of rotating in the circumferential direction, the jacking ring (41) is connected with the cam movable ring (44) through a plurality of driving rods (45) distributed in the circumferential direction of the jacking ring (41), the inner end of the driving rod (45) is connected with the jacking ring (41), the outer end is sequentially arranged in the vertical groove (46) of the cam fixed ring (43) and the arc-shaped groove (47) of the cam movable ring (44), one side of the arc-shaped groove (47) is higher than the other side, and the cam movable ring (44) is connected with a reciprocating rotation driving unit (48) capable of driving the rotation of the cam movable ring (44).

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