CN220485989U - Multi-needle machine of side elastic thread feeding device - Google Patents

Abstract

The utility model relates to a multi-needle machine of side elastic thread send traditional thread binding putting, it includes multi-needle machine body, elastic thread send traditional thread binding subassembly and lead frame, and elastic thread send traditional thread binding subassembly to set up in the aircraft nose one side of keeping away from the sewing head, and the lead frame is arranged on multi-needle machine body lateral wall, and the lead frame is arranged between elastic thread inlet subassembly and the elastic thread send traditional thread binding subassembly, has offered a plurality of lead holes side by side on the lead frame, and the range direction of lead hole is the horizontal direction; the elastic thread feeding component and the lead frame are positioned on the same side of the multi-needle machine body; the lead frame comprises a fixing piece and a lead piece fixed on the fixing piece, wherein the lead holes are arranged on the lead piece side by side, and the fixing piece is fixed on the side wall of the multi-needle machine body through a first bolt. The elastic thread has the effect of improving the problem that the elastic thread is easy to touch by the legs to cause winding or pulling.

Description

Multi-needle machine of side elastic thread feeding device

Technical Field

The application relates to the field of sewing devices, in particular to a multi-needle machine of a side elastic thread feeding device.

Background

The multi-needle machine is a sewing machine capable of simultaneously sewing a plurality of stitches, and is provided with a plurality of needle heads, and corresponding stitches are simultaneously conveyed. The inlet wire of many needle machines is located the below of a plurality of syringe needles generally, and is located the below of apron, and rubber band line conveyor is in order to conveniently input the inlet wire of many needle machines with the rubber band line, sets up in the apron below generally.

As shown in fig. 1, a multi-needle machine comprises a base 1, a machine head 2 arranged on the base 1, a cover plate 3 covered on the base 1, an elastic thread feeding component 5 and an elastic thread feeding component 4, wherein a sewing head 6 is arranged on the machine head 2, the elastic thread feeding component 4 is arranged on the base 1, and the elastic thread feeding component 4 is positioned below the cover plate 3; the elastic thread feeding component 5 is arranged on the base 1 and is positioned below the elastic thread feeding component 4.

But in the in-service use, the worker finds that when using the multi-needle machine, the rubber band wire feeding component is positioned at one side close to the worker, the wire frame is positioned at one side of the sewing machine far away from the worker, a plurality of coils are arranged on the wire frame, and wires on the coils are gathered on the rubber band wire feeding component from the lower part of the cover plate. The leg of the worker is easy to touch the elastic thread, so that the elastic thread is easy to be pulled or intertwined, the use of the multi-needle machine is affected, and the production efficiency is reduced.

Disclosure of Invention

In order to solve the problem that the elastic thread is easy to be touched by legs to cause winding or pulled, the application provides a multi-needle machine of a side elastic thread feeding device.

The application provides a side elastic thread send traditional thread binding putting's multiple needle machine adopts following technical scheme:

the multi-needle machine comprises a multi-needle machine body, an elastic thread feeding component and a lead frame, wherein the elastic thread feeding component is arranged on one side of a machine head, far away from a sewing head, of the multi-needle machine body, the lead frame is arranged on the side wall of the multi-needle machine body, the lead frame is arranged between the elastic thread feeding component and the elastic thread feeding component, a plurality of lead holes are formed in the lead frame side by side, and the arrangement direction of the lead holes is in a horizontal direction; the elastic thread feeding component and the lead frame are positioned on the same side of the multi-needle machine body; the lead frame comprises a fixing piece and a lead sheet fixed on the fixing piece, wherein the lead holes are formed in the lead sheet side by side, and the fixing piece is fixed on the side wall of the multi-needle machine body through a first bolt.

Through adopting the technical scheme, when an operator wears the elastic thread on the thread frame on the sewing head, the elastic thread on the thread frame passes through the elastic thread feeding component, then the elastic thread is straightened through the lead frame, finally the elastic thread is worn on the elastic thread feeding component to complete threading, the multi-needle machine of the side elastic thread feeding device installs the elastic thread feeding component originally installed below the elastic thread feeding component on the machine head, and compared with the mode that the elastic thread is penetrated into the elastic thread feeding component from the lower part of the cover plate, the threading of the multi-needle machine of the side elastic thread feeding device is completed above the cover plate, thereby being convenient for the operator to thread; the elastic thread is positioned on the side wall of the multi-needle machine body when being routed, and is not easy to be wound or pulled due to the fact that the elastic thread is touched by legs; the lead frame makes the rubber band between the rubber band wire feeding assembly and the rubber band wire feeding assembly tighten, and prevents the rubber band from loosening to affect sewing.

Optionally, a vertical groove is formed in the fixing piece, and the first bolt penetrates through the vertical groove and is in threaded connection with the side wall of the multi-needle machine body.

Through adopting above-mentioned technical scheme, set up the vertical groove and be convenient for adjust the lead frame in the ascending position of multi-needle machine body vertical direction to select suitable high inlet wire lead wire.

Optionally, one side of the multi-needle machine body far away from the sewing head is provided with a mounting rod, the mounting rod extends towards the direction of the front of the multi-needle machine body, and the elastic thread feeding component is arranged at the end part of the mounting rod protruding out of the multi-needle machine body.

Through adopting above-mentioned technical scheme, the elastic thread send line subassembly to set up in the tip reducible elastic thread's of installation pole protrusion multi-needle machine body inflection point, the workman of being convenient for is threaded.

Optionally, the frame of the elastic thread feeding component is provided with a strip-shaped groove, the elastic thread feeding component is fixed on the mounting rod by arranging a second bolt, and the second bolt penetrates through the strip-shaped groove and is in threaded connection with the mounting rod.

Through adopting above-mentioned technical scheme, the setting in bar shape groove is convenient for adjust the rubber band line and send the line subassembly to protrude in the position of the tip of many needles machine body, reduces the threading distance of rubber band line as far as possible, later send line subassembly through the fixed rubber band line of second bolt.

Optionally, be provided with the slider in the frame of rubber band line send line subassembly, set up on the installation pole and supply the gliding spout of slider, the length direction of spout is the same with the length direction of installation pole, be provided with the fixed subassembly of fixed rubber band line send line subassembly on the installation pole.

Through adopting above-mentioned technical scheme, the frame sliding connection of elastic thread send line subassembly is fixed in the installation pole and through fixed subassembly, and the frame of making things convenient for the elastic thread to send line subassembly is fixed a position on the installation pole to the setting of spout and slider, makes elastic thread send line subassembly simple to operate.

Optionally, the fixing component comprises a second spring and a fixing block, a fixing groove is formed in the bottom of the chute, the fixing block is slidably arranged in the fixing groove, and the sliding direction of the fixing block is a direction away from or close to the chute; the chute notch is gradually reduced, and the chute penetrates through the mounting rod along the length direction of the mounting rod and in a direction away from the multi-needle machine body; the fixed block and the lead frame are positioned on the same side of the multi-needle machine body, the side wall of the fixed block, which is far away from the multi-needle machine body, is a guide inclined plane, which is inclined towards the direction, which is far away from the multi-needle machine body, and the guide inclined plane is inclined towards the direction, which is close to the sewing head; the locking groove is formed in one side, facing the fixed groove, of the sliding block, the second spring is arranged in the fixed groove and located on one side, deviating from the sliding groove, of the fixed block, and the end portion of the fixed block is driven to be located in the sliding groove by the second spring.

Through adopting above-mentioned technical scheme, the in-process of slider slide-in spout, the slider is contradicted with the direction inclined plane earlier in order to jack into the fixed slot with the fixed block, until the slider slides to the spout end and is jacked, the notch of locking the groove aligns with the notch of fixed slot this moment, the fixed block is driven by the second spring and is moved towards the locking inslot, the fixed block tip is located the locking inslot, the lateral wall of fixed block is contradicted with the cell wall of locking the groove to the frame of restriction slider removal with fixed rubber band line send line subassembly. Compared with the mode of tightening and fixing through bolts, the device is convenient without tools.

Optionally, a mounting hole is formed in the bottom of the fixed groove in a penetrating manner, a fixed rod is connected in the mounting hole in a threaded manner, the length direction of the fixed rod is the same as the depth direction of the fixed groove, one end of the second spring is rotationally connected to the end part of the fixed rod, and the other end of the second spring is fixed to the fixed block; when the fixed rod is screwed away from the chute, the fixed block is separated from the chute.

Through adopting above-mentioned technical scheme, when the frame that the elastic thread sent line assembly needs to be dismantled, unscrew the dead lever out the installation pole, the fixed block is pulled to the fixed slot in, releases the fixed block to the elastic thread send line assembly's frame fixed, makes the elastic thread send line assembly's frame can follow the installation pole and take out, makes things convenient for the elastic thread to send line assembly's dismantlement.

Optionally, the one end that the slider was towards the aircraft nose is equipped with the butt piece, the butt piece is equipped with the butt face towards one side of many needles machine body, the butt face slope sets up, the inclination of butt face is the same with the inclination of direction inclined plane.

Through adopting above-mentioned technical scheme, set up butt face and direction inclined plane butt, the slider of being convenient for jack-in fixed block in the fixed slot.

Optionally, the mounting rod is provided with a yielding groove for accommodating the abutting block.

Through adopting above-mentioned technical scheme, set up the groove of stepping down and supply the butt piece to hold, and the groove of stepping down has increased the area of contact of slider and installation pole, improves the stability of rubber band line wire feeding component's frame installation on the installation pole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the threading of the multi-needle machine of the side elastic thread feeding device is finished above the cover plate, so that the threading of operators is facilitated, and meanwhile, the elastic thread running track is positioned on the side wall of the multi-needle machine, so that the elastic thread is not easy to be wound or pulled due to the touch of legs, and the multi-needle machine is convenient to use;

2. the elastic thread between the elastic thread feeding component and the elastic thread feeding component is tightened by arranging the lead frame, so that the elastic thread is prevented from loosening to influence sewing;

3. compared with the fixing mode through bolts and nuts, the frame of the elastic thread feeding assembly can be quickly installed on the machine head by arranging the sliding blocks, the sliding grooves and the fixing assemblies, tools are not needed, and time and labor are saved.

Drawings

Fig. 1 is a prior art multi-needle machine showing the structure of an elastic thread feeding assembly disposed below a cover plate.

Fig. 2 is a schematic diagram of the overall structure of the multi-needle machine of the side elastic thread feeding device of embodiment 1 of the present application.

Fig. 3 is a schematic diagram of the whole structure of the multi-needle machine of the side elastic thread feeding device of embodiment 1.

Fig. 4 is an enlarged schematic view of a in fig. 3.

Fig. 5 is a schematic cross-sectional view of the driving member of embodiment 1.

Fig. 6 is a schematic structural view of the one-way clutch mechanism of embodiment 1.

Fig. 7 is a schematic view of the structure of the mounting bar and elastic cord feeding assembly of embodiment 1.

Fig. 8 is a schematic overall structure of embodiment 2.

Fig. 9 is a schematic view of the structure of the mounting bar and elastic cord feeding assembly of embodiment 2.

Fig. 10 is a schematic cross-sectional view of the mounting bar and elastic cord feeding assembly of example 2.

Fig. 11 is a schematic cross-sectional view of the fixing rod of embodiment 2.

Reference numerals illustrate: 1. a base; 2. a machine head; 3. a cover plate; 4. an elastic thread inlet assembly; 5. an elastic thread feeding component; 51. a driving member; 511. a main shaft; 512. a first swing lever; 513. a cam; 52. a wire feeding member; 521. a frame; 522. a driving wheel; 523. a pinch roller; 524. a threading plate; 6. a sewing head; 7. a multi-needle machine body; 8. a lead frame; 81. a fixing piece; 82. a lead sheet; 9. a lead hole; 10. a first bolt; 11. a vertical groove; 12. a mounting rod; 13. a bar-shaped groove; 14. a second bolt; 15. a slide block; 16. a chute; 17. a first spring; 18. a fixing assembly; 181. a second spring; 182. a fixed block; 19. a fixing groove; 20. a guide slope; 21. a locking groove; 22. a mounting hole; 23. a fixed rod; 231. twisting the rod; 232. a rotating lever; 24. an abutment block; 25. an abutment surface; 26. a relief groove; 27. twisting the block; 28. a mounting cavity; 29. a second swing lever; 31. a connecting rod; 32. a rotating roller; 33. a threading hole; 34. a driving wheel; 35. a roller; 36. an inner cavity; 37. a cam surface; 39. a first swing ring; 40. a first swing shaft; 41. a first connection ring; 42. a second connecting ring; 43. and a second swinging shaft.

Detailed Description

The present application is described in further detail below in conjunction with figures 2-11.

The embodiment of the application discloses a multi-needle machine of a side elastic thread feeding device. Referring to fig. 2, the multi-needle machine of the side elastic thread feeding device includes a multi-needle machine body 7, an elastic thread feeding assembly 5, an elastic thread feeding assembly 4, and a lead frame 8. The multi-needle machine body 7 comprises a base 1, a machine head 2, a cover plate 3 and a sewing head 6, wherein the machine head 2 is fixed on the top surface of the base 1, the cover plate 3 covers the base 1, and the sewing head 6 is arranged on the machine head 2. The elastic thread feeding component 5 is fixed on one side of the machine head 2 far away from the sewing head 6, the elastic thread feeding component 5 is located above the cover plate 3, the elastic thread feeding component 4 is arranged on the base 1, and the elastic thread feeding component 4 is located below the cover plate 3 and below the sewing head 6. The lead frame 8 is fixed to the side wall of the base 1.

Referring to fig. 2, the lead frame 8 is located between the elastic thread feeding assembly 4 and the elastic thread feeding assembly 5, the lead frame 8 includes a fixing piece 81 and a lead piece 82 fixed on the fixing piece 81, the lead piece 82 is provided with a plurality of lead holes 9 side by side, the arrangement direction of the lead holes 9 is in a horizontal direction, and the fixing piece 81 is fixed on the side wall of the base 1 by setting a first bolt 10.

Referring to fig. 2, the fixing piece 81 is provided with a vertical groove 11, and the first bolt 10 passes through the vertical groove 11 and is screw-coupled to the sidewall of the base 1 to fix the fixing piece 81.

Referring to fig. 2, a mounting bar 12 is fixed to a side of the head 2 away from the sewing head 6, the mounting bar 12 extending in a direction protruding from the front surface of the base 1, and in this embodiment, a surface of the base 1 facing a worker is the front surface of the base 1 when the multi-needle machine is in use. The elastic thread feeding component 5 is fixed at the end of the mounting rod 12 protruding out of the front face of the machine head 2.

Referring to fig. 3 and 4, the elastic cord feeding assembly 5 includes a driving member 51 and a feeding member 52. The driving member 51 includes a main shaft 511, a cam 513, and a first swing lever 512.

Referring to fig. 4 and 5, the spindle 511 is rotatably connected to the multi-needle machine body 7, the spindle 511 is driven to rotate by a motor installed in the multi-needle machine body 7 through a gear structure, the cam 513 is fixed at the end of the spindle 511, the first swinging rod 512 is fixed at the end of the first swinging ring 39 for accommodating the cam, and the installation cavity 28 for accommodating the cam 513 is formed in the first swinging ring 39. When the spindle 511 rotates, the cam 513 starts to rotate circumferentially along the axis of the spindle 511, and the cam 513 drives the first swing lever 512 to swing reciprocally in the vertical direction during the rotation.

Referring to fig. 3 and 4, a first swing shaft 40 is fixed at one end of the first swing rod 512 far from the main shaft 511, the length direction of the first swing shaft 40 is horizontal, a connecting rod 31 is rotatably connected to the first swing shaft 40, the length direction of the connecting rod 31 is vertical, a first connecting ring 41 through which the first swing shaft 40 passes is fixed at the top end of the connecting rod 31, a second connecting ring 42 is fixed at the bottom end of the connecting rod 31, a second swing shaft 43 is rotatably connected to the second connecting ring 42, and a second swing rod 29 is fixed at the end of the second swing shaft 43 far from the main shaft 511. The second swing lever 29 is fixed with a rotating roller 32 at one end thereof away from the connecting lever 31, and the rotation axis of the rotating roller 32 is parallel to the length direction of the mounting lever 12. When the first swing lever 512 swings, the first swing lever 512 drives the connecting rod 31 to swing up and down, causing the end of the second swing block 29 away from the rotating roller 32 to swing up and down, thereby reciprocating the rotating roller 32.

Referring to fig. 3, the wire feeder 52 includes a frame 521, a driving wheel 522, a pressing wheel 523, and a threading plate 524. The driving wheel 522 and the pressing wheel 523 are rotatably connected to the frame 521, the rotation axes of the driving wheel 522 and the pressing wheel 523 are parallel to each other, and the rotation axes of the driving wheel 522 and the pressing wheel 523 are parallel to the length direction of the mounting rod 12.

Referring to fig. 3, the frame 521 has the same length direction as the mounting bar 12, two threading plates 524 are provided, the threading plates 524 are fixed to two sides of the frame 521 in the length direction, a plurality of threading holes 33 through which elastic threads pass are formed in the threading plates 524, and the threading holes 33 are arranged on the threading plates 524 side by side in the horizontal direction.

Referring to fig. 3 and 6, a one-way clutch mechanism is arranged in the driving wheel 522, the one-way clutch mechanism comprises a driving wheel 34 and a roller 35 with two parallel axes, the rotating shaft of the driving wheel 34 is coaxially fixed with the rotating roller 32, the end face of the driving wheel 522 is provided with an inner cavity 36 coaxial with the driving wheel 34, the driving wheel 34 and the roller 35 are positioned in the inner cavity 36, the driving wheel 34 is coaxial with the inner cavity 36, the side face of the driving wheel is provided with three cam surfaces 37 with gradually increasing eccentric distances relative to the axis of the driving wheel 34, the roller 35 rolls on the cam surfaces 37, and when the driving wheel 34 and the driving wheel 522 work and turn in the same direction, the inner walls of the driving wheel 34 and the inner cavity 36 are blocked by the roller 35, and when the driving wheel 34 and the driving wheel 522 work and turn in the opposite direction, the driving wheel 34 can freely rotate in the inner cavity 36.

Referring to fig. 3 and 6, the distance from the initial position of the cam surface 37 to the axis of the driving wheel 34 is smaller than the distance from the final position of the cam surface 37 to the axis of the driving wheel 34, the initial position of the cam surface 37 has a protruding portion, a first spring 17 is arranged between the roller 35 and the protruding portion, and the first spring 17 enables the roller 35 to be relatively stably located at a certain position on the cam surface 37. When the roller 35 rolls near the initial position on the cam surface 37, a certain gap is formed between the side surface of the roller 35 and the inner wall of the inner cavity 36 of the driving wheel 522, and the roller 35 and the driving wheel 34 can freely rotate in the inner cavity 36, so that the driving wheel 522 is not driven; when the roller 35 rolls to the vicinity of the end position of the cam surface 37, the gap between the roller 35 and the inner wall of the inner cavity 36 becomes smaller and smaller due to the successive eccentricity of the cam surface 37 until the roller 35 is clamped with the inner wall of the inner cavity 36, so that the driving wheel 34 is integrated with the driving wheel 522 through the roller 35, and the driving wheel 34 drives the driving wheel 522 to rotate, and the rotation direction at this time is consistent with the working rotation direction of the driving wheel 522. When the capstan 34 is reversed, the roller 35 rolls toward the start position of the cam surface 37, gradually disengaging from the inner wall of the inner cavity 36. When the rotating roller 32 reciprocally rotates, the driving wheel 522 may continuously rotate due to the existence of the one-way clutch mechanism, thereby completing the wire feeding work.

Referring to fig. 7, the frame 521 is provided with a bar slot 13, and the elastic cord feeding assembly 5 is fixed to the mounting bar 12 by providing a second bolt 14, and the second bolt 14 passes through the bar slot 13 and is screwed to the mounting bar 12.

The implementation principle of the multi-needle machine of the side elastic thread feeding device of the embodiment of the application is as follows: when in threading, the elastic thread on the thread frame passes through the elastic thread feeding component 5, then the elastic thread is straightened through the lead frame 8, and finally the elastic thread is threaded onto the elastic thread feeding component 4 to complete threading, and the threading of the multi-needle machine of the side elastic thread feeding device 5 is completed above the cover plate 3, so that the threading of operators is facilitated, and meanwhile, the elastic thread is positioned on the side wall of the multi-needle machine body 7 when being threaded, so that the elastic thread is not easy to be touched by legs to cause winding or pulling; the lead frame 8 tightens the rubber band between the rubber band feeding component 5 and the rubber band feeding component 4, and assists the wire feeder of the rubber band to prevent the rubber band from loosening to affect sewing.

Example 2

Referring to fig. 8 and 9, the present embodiment is different from embodiment 1 in the manner of mounting the frame 521. The frame 521 is fixed with a slide block 15, the mounting rod 12 is far away from the side wall of the sewing head 6 to provide a sliding groove 16 for the slide block 15 to slide, and the length direction of the sliding groove 16 is the same as the length direction of the mounting rod 12. The notch of the chute 16 is tapered, and the chute 16 penetrates through the mounting rod 12 along the length direction of the mounting rod 12 and in a direction away from the handpiece 2.

Referring to fig. 8 and 10, the mounting bar 12 is provided with a fixing assembly 18 for fixing the elastic thread feeding assembly 5. The fixing assembly 18 comprises a second spring 181 and a fixing block 182, the bottom of the chute 16 is provided with a fixing groove 19, the fixing block 182 is slidably arranged in the fixing groove 19, and the sliding direction of the fixing block 182 is the direction away from or close to the chute 16. The fixing block 182 and the lead frame 8 are positioned on the front surface of the multi-needle machine body 7, the side wall of the fixing block 182, which is far away from the machine head 2, is a guiding inclined surface 20, and the guiding inclined surface 20 is inclined towards the direction, which is far away from the machine head 2, and is close to the sewing head 6. The side of the sliding block 15 facing the fixed slot 19 is provided with a locking slot 21, a second spring 181 is arranged in the fixed slot 19, the second spring 181 is positioned on one side of the fixed block 182 facing away from the sliding slot 16, and the second spring 181 drives the end part of the fixed block 182 to be positioned in the sliding slot 16.

Referring to fig. 10 and 11, the bottom of the fixing groove 19 is provided with a mounting hole 22, a fixing rod 23 is screwed into the mounting hole 22, and the length direction of the fixing rod 23 is the same as the depth direction of the fixing groove 19. The fixed rod 23 includes a screwing rod 231 and a rotating rod 232, and the screwing rod 231 is screwed into the mounting hole 22. The rotating rod 232 is located in the fixed slot 19, the screwing rod 231 is coaxially and rotatably connected to the rotating rod 232, and the rotating axis of the screwing rod 231 is in a direction approaching or separating from the sliding slot 16. One end of the second spring 181 is fixed to an end of the rotation rod 232 remote from the screwing rod 231 to be fixed to the fixing rod 23, and the other end of the second spring 181 is fixed to the fixing block 182. The end of the screw rod 231 remote from the rotation rod 232 is fixed with a screw block 27.

Referring to fig. 10 and 11, an abutment block 24 is fixed to one end of the slider 15 facing the head 2 (see fig. 7), an abutment surface 25 is provided on one side of the abutment block 24 facing the head 2 (see fig. 7), and the abutment surface 25 is inclined in the same direction as the inclination direction of the guide slope 20. The mounting bar 12 is provided with a relief groove 26 for receiving the abutment block 24.

The implementation principle of the embodiment 2 is as follows: when the elastic thread feeding component 5 is installed, the sliding block 15 is slid into the sliding groove 16 until the fixed block 182 is jacked into the locking groove 21 by the second spring 181 to complete the fixation of the elastic thread feeding component 5, so that the elastic thread feeding component is simple and convenient; when the elastic thread feeding component 5 needs to be disassembled, the fixing rod 23 is unscrewed to drive the fixing block 182 to be separated from the locking groove 21 and enable the fixing block 182 to be contained in the fixing groove 19, and the elastic thread feeding component 5 is unlocked, so that compared with a mode of screwing out a bolt by means of a tool, the elastic thread feeding component 5 is more convenient to unscrew the fixing rod 23.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a many needles of side elastic yarn send traditional thread binding putting, includes many needles machine body (7), elastic yarn send traditional thread binding subassembly (5) and lead frame (8), its characterized in that: the elastic thread feeding assembly (5) is arranged on one side, far away from the sewing head (6), of the machine head (2), the lead frame (8) is arranged on the side wall of the multi-needle machine body (7), the lead frame (8) is arranged between the elastic thread feeding assembly (4) and the elastic thread feeding assembly (5), a plurality of lead holes (9) are formed in the lead frame (8) side by side, and the arrangement direction of the lead holes (9) is in a horizontal direction; the elastic thread feeding component (5) and the lead frame (8) are positioned on the same side of the multi-needle machine body (7); the lead frame (8) comprises a fixing piece (81) and a lead sheet (82) fixed on the fixing piece (81), the lead holes (9) are arranged on the lead sheet (82) side by side, and the fixing piece (81) is fixed on the side wall of the multi-needle machine body (7) through a first bolt (10).

2. The multi-needle machine of a side elastic thread feeding device according to claim 1, wherein: the fixing piece (81) is provided with a vertical groove (11), and the first bolt (10) penetrates through the vertical groove (11) and is connected to the side wall of the multi-needle machine body (7) in a threaded mode.

3. The multi-needle machine of a side elastic thread feeding device according to claim 1, wherein: one side of the multi-needle machine body (7) far away from the sewing head (6) is provided with a mounting rod (12), the mounting rod (12) extends towards the front direction of the protruding multi-needle machine body (7), and the elastic thread feeding component (5) is arranged at the end part of the mounting rod (12) protruding the multi-needle machine body (7).

4. A multi-needle machine of a side elastic thread feeding device according to claim 3, wherein: the machine frame of the elastic thread feeding component (5) is provided with a strip-shaped groove (13), the elastic thread feeding component (5) is fixed on the mounting rod (12) by arranging a second bolt (14), and the second bolt (14) penetrates through the strip-shaped groove (13) and is in threaded connection with the mounting rod (12).

5. A multi-needle machine of a side elastic thread feeding device according to claim 3, wherein: the elastic thread feeding device is characterized in that a sliding block (15) is arranged on a frame (521) of the elastic thread feeding component (5), a sliding groove (16) for sliding the sliding block (15) is formed in the mounting rod (12), the length direction of the sliding groove (16) is identical to that of the mounting rod (12), and a fixing component (18) for fixing the elastic thread feeding component (5) is arranged on the mounting rod (12).

6. The multi-needle machine of a side elastic thread feeding device according to claim 5, wherein: the fixing assembly (18) comprises a second spring (181) and a fixing block (182), a fixing groove (19) is formed in the bottom of the sliding groove (16), the fixing block (182) is arranged in the fixing groove (19) in a sliding mode, and the sliding direction of the fixing block (182) is the direction away from or close to the sliding groove (16); the notch of the sliding groove (16) is gradually reduced, and the sliding groove (16) penetrates through the mounting rod (12) along the length direction of the mounting rod (12) and in a direction away from the multi-needle machine body (7); the fixing block (182) and the lead frame (8) are positioned on the same side of the multi-needle machine body (7), the side wall of the fixing block (182) far away from the multi-needle machine body (7) is a guide inclined surface (20), and the guide inclined surface (20) inclines towards the direction close to the sewing head (6) in the direction far away from the multi-needle machine body (7); the locking groove (21) has been seted up towards one side of fixed slot (19) to slider (15), second spring (181) set up in fixed slot (19), second spring (181) are located one side that fixed block (182) deviate from spout (16), second spring (181) drive fixed block (182) tip be located spout (16).

7. The multi-needle machine of the side elastic thread feeding device according to claim 6, wherein: the bottom of the fixed groove (19) is provided with a mounting hole (22) in a penetrating way, the mounting hole (22) is internally connected with a fixed rod (23) in a threaded way, the length direction of the fixed rod (23) is the same as the depth direction of the fixed groove (19), one end of the second spring (181) is rotationally connected to the end part of the fixed rod (23), and the other end of the second spring is fixed to the fixed block (182); when the fixing rod (23) is screwed away from the sliding groove (16), the fixing block (182) is separated from the sliding groove (16).

8. The multi-needle machine of the side elastic thread feeding device according to claim 6, wherein: one end of the sliding block (15) facing the machine head (2) is provided with an abutting block (24), one side of the abutting block (24) facing the multi-needle machine body (7) is provided with an abutting surface (25), the abutting surface (25) is obliquely arranged, and the oblique direction of the abutting surface (25) is the same as that of the guide inclined surface (20).

9. The multi-needle machine of the side elastic thread feeding device according to claim 8, wherein: the mounting rod (12) is provided with a yielding groove (26) for accommodating the abutting block (24).