High-density linear shuttleless thread shifting device and foxing machine

Abstract

The utility model relates to the technical field of foxing machines, in particular to a high-density linear shuttleless thread shifting device and a foxing machine, the high-density linear shuttleless thread shifting device comprises a shifting piece and a driving mechanism, the shifting piece comprises a first connecting part and a guide structure matched with a sewing needle; a plurality of sewing needle holes are formed in the guide structure, one side of each sewing needle hole penetrates through the guide structure to form a notch, and a tightening groove is formed in the end, away from the notch, of each sewing needle hole; the sewing needle holes are formed in the shifting pieces, the density of the sewing needle holes is higher, the sewn foxing strips are firmer, the number of the shifting pieces needing to be installed is reduced, the installation steps are simplified, the driving mechanism is arranged to control the shifting pieces to move at the same time, and therefore the moving consistency of the shifting pieces is guaranteed; the connecting arm is driven to reciprocate, the connecting arm reciprocates to drive the rotating shaft to rotate in a reciprocating mode, the swing arm swings to drive the force arm to reciprocate, and therefore the mounting base and the poking pieces are driven to reciprocate.

Description

Technical Field

[0001] The utility model relates to the technical field of strip-binding machines, in particular to a high-density straight-line shuttleless thread-pulling device and a strip-binding machine. Background Art

[0002] The material of the mattress strip is mainly composed of: a single-layer fabric on the upper layer + a non-woven fabric on the bottom layer. There are two main ways to produce mattress strips: one is to use spray-bonding equipment to bond the materials needed for the strips with hot-melt adhesive, and then sew them together according to requirements through multiple sets of sewing machine equipment; the other is to use existing production equipment to first cut the materials needed for the strips according to the height of the strips, but reserve a certain amount of margin to prevent the materials from running off when they are stacked and pulled, and then stack the materials and pull them, cut the margin, and then use a sewing machine and lock the edges, and then use a sewing machine to sew according to the pattern.

[0003] When sewing the edge of the existing stripping machine, the sewing needle and the paddle are required to cooperate, the sewing needle is introduced into the paddle, and the sewing thread is passed through the edge of the stripping machine. Since a large number of sewing needles are required for sewing, in order to meet the demand for sewing needles, a plurality of paddles are usually provided on the stripping machine to guide and adjust the plurality of sewing needles and sewing threads. However, in actual use, the more the number of paddles, the more complicated the installation is. It is also difficult to ensure synchronous driving of the plurality of paddles during driving, and the paddles and the sewing needles are easily misaligned and cause failures. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art that the more the number of paddles, the more complicated the installation, it is difficult to ensure synchronous driving of multiple paddles when driving, the paddles and sewing needles are easily misaligned and cause malfunctions, and to propose a high-density linear shuttleless thread shifting device and a strip-binding machine.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-density linear shuttleless thread shifting device is designed, comprising a shifting piece and a driving mechanism, wherein the shifting piece comprises a first connecting portion and a guiding structure matched with a sewing needle;

[0007] A plurality of sewing needle holes are provided on the guide structure, one side of the sewing needle hole penetrates the guide structure to form a notch, and a tightening groove is provided at one end of the sewing needle hole away from the notch; the tightening groove is a V-shaped structure or a U-shaped structure.

[0008] Furthermore, the driving mechanism includes a mounting seat for mounting a plurality of paddles, a force arm is connected to one side of the mounting seat, a guide groove is provided on the mounting seat, and the driving mechanism also includes a guide seat matched with the guide groove.

[0009] Furthermore, a linkage mechanism is provided on one side of the driving mechanism, and the linkage mechanism includes a swing structure dynamically connected to the lever arm.

[0010] Furthermore, the swing structure includes a rotating shaft and a swing arm, the swing arm is fixedly connected to the rotating shaft, and the swing arm is rotationally connected to the force arm.

[0011] Furthermore, a second connecting portion is fixedly provided on the rotating shaft, a connecting arm is rotatably connected to the second connecting portion, and an eccentric shaft is rotatably provided on the other end of the connecting arm.

[0012] The utility model also proposes a strip-binding machine, comprising the high-density linear shuttleless thread-pulling device, characterized in that it also comprises a driving motor, and the output shaft of the driving motor is dynamically connected to the eccentric shaft.

[0013] The utility model provides a high-density linear shuttleless thread pulling device and a strip-binding machine, which have the following beneficial effects:

[0014] In the utility model, by opening a plurality of sewing pinholes on the paddle, the density of the sewing pinholes is higher, so that the sewn band is more solid, the number of paddles required to be installed is reduced, the installation steps are simplified, the installation efficiency is improved, and the driving mechanism is set to simultaneously control the movement of a plurality of paddles, thereby ensuring the consistency of the movement of the paddles;

[0015] Secondly, in the utility model, the eccentric shaft is driven to rotate by the motor, driving the connecting arm to move back and forth, and the reciprocating movement of the connecting arm drives the rotating shaft to rotate back and forth, so that the swing arm swings and the force arm moves back and forth, thereby driving the mounting seat and multiple paddles to reciprocate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a high-density linear shuttleless thread-pulling device proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the plectrum of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the lever arm of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the connecting arm of the utility model.

[0020] In the figure: 1. pick; 11. first connecting part; 12. guide structure; 13. sewing needle hole; 14. notch; 15. tightening groove; 2. driving mechanism; 21. mounting seat; 22. force arm; 23. guide groove; 24. guide seat; 3. linkage mechanism; 31. rotating shaft; 32. swing arm; 33. second connecting part; 34. connecting arm; 35. eccentric shaft. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-2 A high-density linear shuttleless thread shifting device comprises a shifting piece 1 and a driving mechanism 2, wherein the shifting piece 1 comprises a first connecting portion 11 and a guide structure 12 matched with a sewing needle;

[0023] The guide structure 12 is provided with a plurality of sewing needle holes 13, at least 5 and preferably 10. One side of the sewing needle hole 13 penetrates the guide structure 12 to form a notch 14. A tightening groove 15 is provided at one end of the sewing needle hole 13 away from the notch 14. The tightening groove 15 is a V-shaped structure or a U-shaped structure.

[0024] In the utility model, a plurality of sewing needle holes 13 are provided on the paddle 1, and the density of the sewing needle holes 13 is higher, so that the sewing strip is more solid, and the number of paddles 1 required for installation is reduced, the installation steps are simplified, and the installation efficiency is improved. The sewing needle hole 13 is provided with a notch 14 and a tightening groove 15 to facilitate the insertion of the sewing needle into the sewing needle hole.

[0025] Furthermore, in the present embodiment, the driving mechanism 2 includes a mounting seat 21 for mounting a plurality of paddles 1, a force arm 22 is connected to one side of the mounting seat 21, a guide groove 23 is provided on the mounting seat 21, and the driving mechanism 2 also includes a guide seat 24 cooperating with the guide groove 23. When the mounting seat 21 is driven to move by the force arm 22, it will simultaneously drive the plurality of paddles 1 to move, thereby ensuring the consistency of the movement of the paddles 1. In some embodiments, the guide seat 24 is installed on the strip-wrapping machine, and is used to limit the moving trajectory of the mounting seat 21 to prevent the paddle 1 from being misaligned with the sewing needle.

[0026] Furthermore, in the present embodiment, a linkage mechanism 3 is provided on one side of the driving mechanism 2, and the linkage mechanism 3 includes a swinging structure dynamically connected to the lever arm 22, and the lever arm 22 is controlled to reciprocate by the swinging structure, thereby driving the mounting seat 21 and the paddle 1 to reciprocate.

[0027] It should be noted that, in this embodiment, the swing structure includes a rotating shaft 31 and a swing arm 32. The swing arm 32 is fixedly connected to the rotating shaft 31, and the swing arm 32 is rotatably connected to the force arm 22. The swing arm 32 is driven to swing back and forth by the rotating shaft 31, thereby driving the force arm 22 to move back and forth, driving the mounting seat 21 and the paddle 1 to move back and forth.

[0028] In addition, in the present embodiment, a second connecting portion 33 is fixedly provided on the rotating shaft 31, a connecting arm 34 is rotatably connected to the second connecting portion 33, an eccentric shaft 35 is rotatably provided on the other end of the connecting arm 34, and a cam is provided on the eccentric shaft 35. When the eccentric shaft 35 rotates, the cam drives the connecting arm 34 to move back and forth, drives the rotating shaft 31 to rotate back and forth, drives the swing arm 32 to swing back and forth, thereby drives the force arm 22 to move back and forth, drives the mounting seat 21 and the paddle 1 to move back and forth.

[0029] Reference Figure 3-4 The utility model also proposes a strip-binding machine, including the above-mentioned high-density linear shuttleless thread-moving device, and also including a driving motor, the output shaft of the driving motor is power-connected to the eccentric shaft 35, the driving motor 4 is fixedly arranged on the frame, and the above-mentioned high-density linear shuttleless thread-moving device is arranged on the frame, and a reciprocating mechanism is also provided on the frame for driving the sewing needle to move up and down.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-density linear shuttleless thread shifting device, comprising a shifting piece (1) and a driving mechanism (2), characterized in that: The pick (1) comprises a first connecting portion (11) and a guide structure (12) matched with a sewing needle; The guide structure (12) is provided with a plurality of sewing needle holes (13); one side of the sewing needle hole (13) penetrates the guide structure (12) to form a notch (14); and a tightening groove (15) is provided at one end of the sewing needle hole (13) away from the notch (14); the tightening groove (15) is a V-shaped structure or a U-shaped structure.

2. A high-density linear shuttleless thread-pulling device according to claim 1, characterized in that: The driving mechanism (2) comprises a mounting seat (21) for mounting a plurality of paddles (1), one side of the mounting seat (21) is connected to a force arm (22), a guide groove (23) is provided on the mounting seat (21), and the driving mechanism (2) further comprises a guide seat (24) matched with the guide groove (23).

3. A high-density linear shuttleless thread-pulling device according to claim 2, characterized in that: A linkage mechanism (3) is provided on one side of the driving mechanism (2), and the linkage mechanism (3) comprises a swing structure dynamically connected to the force arm (22).

4. A high-density linear shuttleless thread-pulling device according to claim 3, characterized in that: The swing structure comprises a rotating shaft (31) and a swing arm (32); the swing arm (32) is fixedly connected to the rotating shaft (31); and the swing arm (32) is rotationally connected to the force arm (22).

5. A high-density linear shuttleless thread-pulling device according to claim 4, characterized in that: A second connecting portion (33) is fixedly provided on the rotating shaft (31), a connecting arm (34) is rotatably connected to the second connecting portion (33), and an eccentric shaft (35) is rotatably provided on the other end of the connecting arm (34).

6. A strip-binding machine, comprising a high-density linear shuttleless thread-pulling device as claimed in claim 5, characterized in that: It also includes a driving motor, the output shaft of which is in power connection with the eccentric shaft (35).

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