Sewing thread small-axis winding assembly

Abstract

The utility model relates to the technical field of sewing machine accessories, in particular to a sewing thread small-axis winding assembly which comprises a plurality of supporting rods, mounting holes are formed in the outer walls of the supporting rods, annular elastic pieces are arranged on the inner walls of the mounting holes in a sleeved mode, fixing sleeves are fixedly connected to the outer walls of the annular elastic pieces, and the fixing sleeves are fixedly connected with the inner walls of the supporting rods. The inner wall of the supporting rod is slidably connected with a connecting rod, and the top of the connecting rod penetrates through the annular elastic piece and the fixing sleeve and is slidably connected with the annular elastic piece and the fixing sleeve. According to the device, the outer wall of the annular elastic piece is extruded through the coil, so that the annular elastic piece elastically deforms inwards, the coil can be rapidly arranged on the supporting rod in a sleeving mode, and the coil is pulled upwards; the annular elastic piece is extruded from bottom to top through the coil, so that the annular elastic piece is elastically deformed and extends into the coil, and the coil can be quickly taken down from the supporting rod; according to the design, the coil can be conveniently and rapidly disassembled and assembled, and the installation complexity is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machine accessories, and more specifically to a sewing thread small axis winding assembly. Background Art

[0002] The sewing thread spool winding assembly is responsible for winding the sewing thread onto the small spool for use in the sewing machine.

[0003] In the existing technology, such as the document with the announcement number CN221700715U, a sewing thread small axis winding mechanism is specifically disclosed. When the device in the document is in use, the coil sleeve needs to be placed on the outside of the second rotating rod, and the coil needs to be limited by the limit seat to ensure stability during winding. After placement is completed, the nut is screwed on the second rotating rod to fix the coil. When disassembling, the nut also needs to be unscrewed. Therefore, the method of installing the coil sleeve is relatively complicated. Utility Model Content

[0004] Based on the above-mentioned technical problem of the relatively complicated method of installing the coil sleeve, the present invention proposes a sewing thread small axis winding assembly.

[0005] The utility model proposes a sewing thread small axis winding assembly, including multiple support rods, the outer wall of the support rod is provided with a mounting hole, the inner wall of the mounting hole is sleeved with an annular spring piece, the outer wall of the annular spring piece is fixedly connected with a fixing sleeve, the fixing sleeve is fixedly connected to the inner wall of the support rod, the inner wall of the support rod is slidably connected with a connecting rod, the top of the connecting rod passes through the annular spring piece and the fixing sleeve and is slidably connected to the same, the top of the connecting rod is fixedly connected with a pull ring, and the bottom of the connecting rod is fixedly connected to a limiting disk.

[0006] Preferably, it further comprises a mounting frame, wherein the outer wall of the mounting frame is fixedly connected to a fixed plate, one of the support rods is rotatably connected to the mounting frame, and the remaining support rods are rotatably connected to the fixed plate at equal intervals in a ring shape.

[0007] Preferably, the inner wall of the mounting frame is fixedly connected to a first machine base, and the outer wall of the first machine base is fixedly connected to a first motor.

[0008] Preferably, the output end of the first motor is fixedly connected to a first gear, the bottom of the fixed disk is rotatably connected to multiple first connecting shafts, the top of the first connecting shaft is fixedly connected to the support rod, the outer walls of the first connecting shaft are fixedly connected to second gears, and the first gears are meshed with the second gears.

[0009] Preferably, the bottom of the mounting frame is rotatably connected to a second connecting shaft, the top of the second connecting shaft is fixedly connected to the support rod, the output end of the first motor and the outer wall of the second connecting shaft are both fixedly connected to a synchronous wheel, and the two synchronous wheels are connected by a synchronous belt transmission.

[0010] Preferably, a sliding hole is opened at the top of the mounting bracket, the inner wall of the sliding hole is rotatably connected to a first screw, the outer wall of the mounting bracket is fixedly connected to a second machine base, the top of the second machine base is fixedly connected to a second motor, and the output end of the second motor is fixedly connected to the first screw.

[0011] Preferably, the inner wall of the sliding hole is slidably connected to a support arm, the end of the first screw rod passes through the support arm and is threadedly connected thereto, and the inner wall of the support arm is fixedly connected to a wire ring.

[0012] Preferably, the top of the mounting frame is fixedly connected to a third machine base, the outer wall of the third machine base is fixedly connected to a third motor, the output end of the third motor is fixedly connected to a second screw, and the end of the second screw passes through the mounting frame and is rotatably connected thereto.

[0013] Preferably, the outer wall of the second screw is threadedly connected to a threaded block, the end of the threaded block is fixedly connected to a sliding frame, the inner wall of the sliding frame is fixedly connected to a sliding rod, and the end of the sliding rod passes through the support arm and is slidably connected thereto.

[0014] By means of the above technical solution, the beneficial effects of the present invention are as follows:

[0015] 1. Put the coil on the support rod from top to bottom, and use the coil to squeeze the outer wall of the annular spring piece, so that the annular spring piece elastically deforms inward, so that the coil can be quickly put on the support rod. At this time, the annular spring piece is partially located in the coil, and the pull ring is pulled upward to drive the connecting rod to slide, and the bottom of the annular spring piece is squeezed by the limit plate to move the annular spring piece out of the coil sleeve. At this time, under the elastic force of the annular spring piece, the coil is squeezed downward, so that the coil is stably installed on the support rod; when disassembling, by pulling the coil upward, the annular spring piece is squeezed from bottom to top by the coil, so that the annular spring piece elastically deforms and extends into the coil, and the coil can be quickly removed from the support rod; this design can facilitate the rapid disassembly and installation of the coil, reducing the complexity of installation.

[0016] 2. The linkage between the third motor and the second screw enables the thread block and the slide frame to move up and down, thereby driving the wire loop to pull the sewing thread up and down, avoiding the stacking of the sewing thread during the winding process.

[0017] 3. The second motor drives the first screw to rotate, and the supporting arm can slide along the outer wall of the slide rod, thereby avoiding direct friction contact between the sewing thread and the support rod, and preventing the sewing thread from breaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the annular spring piece of the utility model;

[0021] Figure 4 This is a schematic diagram of the installation structure of the wire ring of the utility model;

[0022] Figure 5 This is a schematic diagram of the installation structure of the support arm of the utility model.

[0023] In the figure: 1. Support rod; 2. Mounting hole; 3. Annular spring piece; 4. Fixing sleeve; 5. Connecting rod; 6. Limiting plate; 7. Pull ring; 8. Mounting frame; 9. First base; 10. First motor; 11. Fixing plate; 12. First gear; 13. First connecting shaft; 14. Second gear; 15. Second connecting shaft; 16. Synchronous wheel; 17. Sliding hole; 18. First screw; 19. Second base; 20. Second motor; 21. Support arm; 22. Wire ring; 23. Second screw; 24. Third base; 25. Third motor; 26. Threaded block; 27. Sliding frame; 28. Sliding rod. DETAILED DESCRIPTION

[0024] Based on the embodiments of this utility model, all other embodiments obtained by persons of ordinary skill in the art without creative effort shall fall within the scope of protection of this utility model. In this utility model, unless otherwise expressly specified or limited, the term "fixed connection" shall be understood in a broad sense. For example, "fixed connection" may refer to fixed installation, detachable connection, or integration; it may refer to mechanical connection, electrical connection, or direct connection. Persons of ordinary skill in the art will understand the specific meaning of the above terms in this utility model based on specific circumstances.

[0025] like Figure 1 and Figure 3 As shown, a sewing thread small axis winding assembly includes multiple support rods 1, the outer wall of the support rod 1 is provided with a mounting hole 2, the inner wall of the mounting hole 2 is sleeved with an annular spring piece 3, the outer wall of the annular spring piece 3 is fixedly connected with a fixing sleeve 4, the fixing sleeve 4 is fixedly connected to the inner wall of the support rod 1, the inner wall of the support rod 1 is slidably connected with a connecting rod 5, the top of the connecting rod 5 passes through the annular spring piece 3 and the fixing sleeve 4 and is slidably connected to them, the top of the connecting rod 5 is fixedly connected with a pull ring 7, and the bottom of the connecting rod 5 is fixedly connected to a limiting disk 6.

[0026] like Figure 1As shown, it also includes a mounting frame 8, the outer wall of the mounting frame 8 is fixedly connected to a fixed plate 11, one of the support rods 1 is rotatably connected to the mounting frame 8, and the remaining support rods 1 are rotatably connected to the fixed plate 11 at equal intervals in a ring shape.

[0027] like Figure 2 As shown, the inner wall of the mounting frame 8 is fixedly connected to the first machine base 9 , and the outer wall of the first machine base 9 is fixedly connected to the first motor 10 .

[0028] like Figure 2 As shown, the output end of the first motor 10 is fixedly connected to the first gear 12, the bottom of the fixed plate 11 is rotatably connected to multiple first connecting shafts 13, the top of the first connecting shaft 13 is fixedly connected to the support rod 1, and the outer wall of the first connecting shaft 13 is fixedly connected to the second gear 14, and the first gear 12 is meshed with the second gear 14;

[0029] The first motor 10 can drive the multiple support rods 1 to rotate synchronously through the engagement of the first gear 12 and the second gear 14, and the transmission of the synchronous wheel 16 and the synchronous belt, thereby achieving uniform winding of the sewing thread.

[0030] like Figure 1 and Figure 2 As shown, the bottom of the mounting frame 8 is rotatably connected to a second connecting shaft 15, the top of the second connecting shaft 15 is fixedly connected to the support rod 1, the output end of the first motor 10 and the outer wall of the second connecting shaft 15 are fixedly connected with a synchronous wheel 16, and the two synchronous wheels 16 are connected by a synchronous belt transmission.

[0031] like Figure 1 and Figure 5 As shown, a sliding hole 17 is opened at the top of the mounting frame 8, and the inner wall of the sliding hole 17 is rotatably connected to the first screw 18. The outer wall of the mounting frame 8 is fixedly connected to the second machine base 19, and the top of the second machine base 19 is fixedly connected to the second motor 20. The output end of the second motor 20 is fixedly connected to the first screw 18.

[0032] like Figure 1 and Figure 4 As shown, the inner wall of the sliding hole 17 is slidably connected to a support arm 21, the end of the first screw rod 18 passes through the support arm 21 and is threadedly connected thereto, and the inner wall of the support arm 21 is fixedly connected to a wire ring 22;

[0033] The second motor 20 drives the first screw 18 to rotate, and the support arm 21 can move up and down along the inner wall of the slide hole 17. This design enables the wire loop 22 on the support arm 21 to align with the sewing thread for protection.

[0034] like Figure 5As shown, a third machine base 24 is fixedly connected to the top of the mounting frame 8, a third motor 25 is fixedly connected to the outer wall of the third machine base 24, a second screw 23 is fixedly connected to the output end of the third motor 25, the end of the second screw 23 passes through the mounting frame 8 and is rotatably connected thereto, a threaded block 26 is threadedly connected to the outer wall of the second screw 23, the end of the threaded block 26 is fixedly connected to a sliding frame 27, a sliding rod 28 is fixedly connected to the inner wall of the sliding frame 27, and the end of the sliding rod 28 passes through the support arm 21 and is slidably connected thereto.

[0035] Working principle: The coil is put on the support rod 1 from top to bottom, and the outer wall of the annular spring piece 3 is squeezed by the coil, so that the annular spring piece 3 is elastically deformed inward, so that the coil can be quickly put on the support rod 1. At this time, the annular spring piece 3 is partially located in the coil. The pull ring 7 is pulled upward to drive the connecting rod 5 to slide, and the bottom of the annular spring piece 3 is squeezed by the limit plate 6 to move the annular spring piece 3 out of the coil sleeve. At this time, under the elastic force of the annular spring piece 3, the coil is squeezed downward, so that the coil is stably installed on the support rod 1;

[0036] When disassembling, the coil is pulled upwards, and the annular spring piece 3 is squeezed from the bottom to the top through the coil, so that the annular spring piece 3 is elastically deformed and extends into the coil, and the coil can be quickly removed from the support rod 1;

[0037] Put a large roll of sewing thread onto the support rod 1 on the mounting frame 8, pass the sewing thread through the wire loop 22, and drive the first gear 12 to rotate through the first motor 10, the first gear 12 drives the second gear 14 to rotate, the second gear 14 drives the support rod 1 to rotate through the first connecting shaft 13, and the first motor 10 drives the second connecting shaft 15 to rotate through the synchronous wheel 16, so that the sewing thread can be wound;

[0038] When the sewing thread is wound, the third motor 25 drives the second screw 23 to rotate, so that the thread block 26 drives the slide frame 27 to move up and down. At this time, the wire loop 22 can pull the sewing thread up and down to prevent the sewing thread from being wrapped around the coil and stacking.

[0039] The first screw rod 18 is driven to rotate by the second motor 20 so that the supporting arm 21 can slide along the outer wall of the slide rod 28 , thereby avoiding frictional contact between the sewing thread and the support rod 1 .

[0040] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A sewing thread small axis winding assembly, characterized in that: include: A plurality of support rods (1) are provided with mounting holes (2) on the outer walls of the support rods (1), an annular spring piece (3) is sleeved on the inner walls of the mounting holes (2), a fixing sleeve (4) is fixedly connected to the outer walls of the annular spring piece (3), the fixing sleeve (4) is fixedly connected to the inner walls of the support rods (1), a connecting rod (5) is slidably connected to the inner walls of the support rods (1), the top of the connecting rod (5) passes through the annular spring piece (3) and the fixing sleeve (4) and is slidably connected thereto, a pull ring (7) is fixedly connected to the top of the connecting rod (5), and a limiting disk (6) is fixedly connected to the bottom of the connecting rod (5).

2. The sewing thread small axis winding assembly according to claim 1, characterized in that: It also includes a mounting frame (8), the outer wall of which is fixedly connected to a fixed disk (11), one of the support rods (1) being rotatably connected to the mounting frame (8), and the remaining support rods (1) being rotatably connected to the fixed disk (11) at equal intervals in a ring shape.

3. The sewing thread small axis winding assembly according to claim 2, characterized in that: The inner wall of the mounting frame (8) is fixedly connected to a first machine base (9), and the outer wall of the first machine base (9) is fixedly connected to a first motor (10).

4. The sewing thread small axis winding assembly according to claim 3, characterized in that: The output end of the first motor (10) is fixedly connected to a first gear (12), the bottom of the fixed disk (11) is rotatably connected to a plurality of first connecting shafts (13), the tops of the first connecting shafts (13) are fixedly connected to the support rod (1), the outer walls of the first connecting shafts (13) are fixedly connected to second gears (14), and the first gears (12) are meshed with the second gears (14).

5. The sewing thread small axis winding assembly according to claim 4, characterized in that: The bottom of the mounting frame (8) is rotatably connected to a second connecting shaft (15), the top of the second connecting shaft (15) is fixedly connected to the support rod (1), the output end of the first motor (10) and the outer wall of the second connecting shaft (15) are both fixedly connected to a synchronous wheel (16), and the two synchronous wheels (16) are connected via a synchronous belt transmission.

6. The sewing thread small axis winding assembly according to claim 5, characterized in that: A sliding hole (17) is provided at the top of the mounting frame (8), a first screw (18) is rotatably connected to the inner wall of the sliding hole (17), a second machine base (19) is fixedly connected to the outer wall of the mounting frame (8), a second motor (20) is fixedly connected to the top of the second machine base (19), and an output end of the second motor (20) is fixedly connected to the first screw (18).

7. The sewing thread small axis winding assembly according to claim 6, characterized in that: The inner wall of the sliding hole (17) is slidably connected to a support arm (21), the end of the first screw rod (18) passes through the support arm (21) and is threadedly connected thereto, and the inner wall of the support arm (21) is fixedly connected to a wire ring (22).

8. The sewing thread small axis winding assembly according to claim 7, characterized in that: The top of the mounting frame (8) is fixedly connected to a third machine base (24), the outer wall of the third machine base (24) is fixedly connected to a third motor (25), the output end of the third motor (25) is fixedly connected to a second screw rod (23), and the end of the second screw rod (23) passes through the mounting frame (8) and is rotatably connected thereto.

9. The sewing thread small axis winding assembly according to claim 8, characterized in that: The outer wall of the second screw rod (23) is threadedly connected to a threaded block (26), the end of the threaded block (26) is fixedly connected to a sliding frame (27), the inner wall of the sliding frame (27) is fixedly connected to a sliding rod (28), and the end of the sliding rod (28) passes through the support arm (21) and is slidably connected thereto.

Images