Synchronous thread feeding mechanism of double-head sewing machine

Abstract

The application relates to a synchronous thread hooking and feeding mechanism of a double-head sewing machine, which comprises a driving module for driving a transmission module, a transmission module for driving a thread hooking module and a feeding module to work, a thread hooking module for hooking threads on materials, and a feeding module for assisting material movement, the driving module is in transmission connection with the transmission module, the thread hooking module and the feeding module are respectively in transmission connection with the transmission module, wherein the driving module drives the transmission module to work, thereby driving the thread hooking module to hook threads on materials and driving the feeding module to move the materials, and the double head can realize synchronous working thread hooking and feeding functions.

Description

TECHNICAL FIELD

[0001] The present application relates to the sewing machine technical field, specifically to a double-head sewing machine synchronous thread hooking feeding mechanism. BACKGROUND

[0002] The sewing machine is a machine that uses one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of the sewing material are interwoven or sewn together. At present, it often adopts a single-head design, and single-time sewing can only sew the front or the back, and when a double-sided sewing workpiece is encountered, the workpiece needs to be manually turned over and returned to the original position, and then the sewing machine is used for secondary sewing, which cannot meet the use demand of rapid sewing. Therefore, the technical personnel in the field combine two sewing machines together to realize the continuity of sewing, and the current sewing machine group combining two sewing machines together not only occupies a large space, but also has high manufacturing cost, which cannot meet the use demand of single equipment realizing double-head sewing. Therefore, the technical personnel in the field develop a double-head sewing machine to realize the front and back sewing function. The existing double-head sewing machine has poor synchronization of the double heads, needs two driving modules to hook threads for different two workstations, increases the manufacturing cost, cannot meet the function of synchronous thread hooking, and lacks the feeding function, which needs manual pushing for feeding.

[0003] In order to solve this problem, a double-head sewing machine synchronous thread hooking feeding mechanism is designed, thereby solving the problem. SUMMARY

[0004] In view of the above technical problems existing in the prior art, the present application provides a double-head sewing machine synchronous thread hooking feeding mechanism, which can realize the functions of synchronous work thread hooking and feeding, and has high practicability.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A double-head sewing machine synchronous thread hooking feeding mechanism, which comprises a driving module for driving a transmission module, a transmission module for driving a thread hooking module and a feeding module to work, a thread hooking module for hooking threads on the material, and a feeding module for assisting the movement of the material. The driving module is in transmission connection with the transmission module, and the thread hooking module and the feeding module are respectively in transmission connection with the transmission module. The driving module drives the transmission module to work, thereby driving the thread hooking module to hook on the material and driving the feeding module to move the material.

[0007] As a further elaboration of the above technical scheme:

[0008] In the above technical scheme, the driving module is any one of a driving motor or a rotary air cylinder.

[0009] In the technical scheme, the transmission module comprises a feeding main shaft, a feeding slave shaft, a thread hooking main shaft, a thread hooking slave shaft and a synchronous wheel set, the feeding main shaft is in transmission connection with the driving module, the feeding main shaft, the feeding slave shaft, the thread hooking main shaft and the thread hooking slave shaft are in transmission connection through the synchronous wheel set, wherein the driving module drives the feeding slave shaft, thereby driving the synchronous wheel set to rotate, and further driving the feeding slave shaft, the thread hooking main shaft and the thread hooking slave shaft to rotate.

[0010] In the technical scheme, the synchronous wheel set comprises a first synchronous wheel, a second synchronous wheel and a third synchronous wheel, the first synchronous wheel and the second synchronous wheel are arranged between the feeding main shaft and the thread hooking main shaft, one side of the first synchronous wheel is tangentially arranged with the thread hooking main shaft, one side of the first synchronous wheel is tangentially arranged with one side of the second synchronous wheel, the other side of the second synchronous wheel is tangentially arranged with one side of the feeding main shaft, the other side of the feeding main shaft is tangentially arranged with one side of the third synchronous wheel, the other side of the third synchronous wheel is tangentially arranged with one side of the thread hooking slave shaft, and the other side of the thread hooking slave shaft is tangentially arranged with the feeding slave shaft, wherein the feeding main shaft drives the thread hooking main shaft to rotate through the first synchronous wheel and the second synchronous wheel, and the feeding main shaft drives the thread hooking slave shaft and the feeding slave shaft to rotate through the third synchronous wheel.

[0011] In the technical scheme, the thread hooking module comprises a first rotating shuttle rotating shaft, a first rotating shuttle, a second rotating shuttle rotating shaft and a second rotating shuttle, one end of the first rotating shuttle rotating shaft is in transmission connection with the thread hooking main shaft, the first rotating shuttle is arranged at the other end of the first rotating shuttle rotating shaft, one end of the second rotating shuttle rotating shaft is in transmission connection with the thread hooking slave shaft, and the second rotating shuttle is arranged at the other end of the second rotating shuttle rotating shaft, wherein the thread hooking main shaft drives the first rotating shuttle rotating shaft to rotate, thereby driving the first rotating shuttle to hook the thread pressed by the machine head on the material, and the thread hooking slave shaft drives the second rotating shuttle rotating shaft to rotate, thereby driving the second rotating shuttle to hook the thread pressed by the machine head on the material.

[0012] In the technical scheme, the thread hooking main shaft is provided with a first inclined roller, the first rotating shuttle rotating shaft is provided with a second inclined roller matched with the first inclined roller, the thread hooking slave shaft is provided with a third inclined roller, and the second rotating shuttle rotating shaft is provided with a fourth inclined roller matched with the third inclined roller, wherein the thread hooking main shaft drives the first rotating shuttle rotating shaft to rotate through the first inclined roller and the second inclined roller, and the thread hooking slave shaft drives the second rotating shuttle rotating shaft to rotate through the third inclined roller and the fourth inclined roller.

[0013] In the above technical scheme, the feeding module comprises a first movable support, a first feeding rack, a second movable support, a second feeding rack and a connecting rod, one end of the first movable support is sleeved on the feeding main shaft, the other end of the first movable support is sleeved on the first synchronous wheel, the first feeding rack is installed on the first movable support, one end of the second movable support is sleeved on the third synchronous wheel, the other end of the second movable support is sleeved on the feeding slave shaft, the second feeding rack is installed on the second movable support, and the connecting rod is arranged between the feeding main shaft and the feeding slave shaft, wherein the feeding main shaft and the first synchronous wheel drive the first movable support to work, thereby driving the first feeding rack to move the material, and the feeding slave shaft and the third synchronous wheel drive the second movable support to work, thereby driving the second feeding rack to move the material.

[0014] The beneficial effects of the present application are as follows:

[0015] The present application has the advantages of reasonable design, novel structure, and integration of the driving module, the transmission module, the thread hooking module and the feeding module. Specifically, the first synchronous wheel of the transmission module, the structure design of the first synchronous wheel and the third synchronous wheel drive the thread hooking main shaft and the thread hooking slave shaft of the thread hooking module and the feeding main shaft and the feeding slave shaft of the feeding module to rotate synchronously, thereby realizing the function of double-head synchronous thread hooking and feeding, and achieving close cooperation, smooth operation, high accuracy and strong practicality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The figure is a schematic diagram of the overall structure of the present application.

[0017] Fig. 2 The figure is a schematic diagram of one of the local structures of the transmission module, the thread hooking module and the feeding module.

[0018] Fig. 3 The figure is another schematic diagram of the local structure of the transmission module, the thread hooking module and the feeding module. DETAILED DESCRIPTION

[0019] The present application will be described in detail below in combination with specific embodiments and drawings.

[0020] The present embodiment provides a synchronous thread hooking and feeding mechanism of a double-head sewing machine, which comprises a driving module, a transmission module, a thread hooking module and a feeding module. Figs. 1-3As shown, it comprises a driving module for driving the transmission module 100, the transmission module 100 for driving the line hooking module 200 and the feeding module 300, the line hooking module 200 for hooking the line on the material, and the feeding module 300 for assisting the movement of the material. The driving module is in transmission connection with the transmission module 100, and the line hooking module 200 and the feeding module 300 are in transmission connection with the transmission module 100 respectively. The driving module drives the transmission module 100 to drive the line hooking module 200 to hook the line on the material and drive the feeding module 300 to move the material.

[0021] As a further improvement of the present application, the driving module is any one of a driving motor or a rotary cylinder.

[0022] As a further improvement of the present application, the transmission module 100 comprises a feeding main shaft 11, a feeding slave shaft 12, a line hooking main shaft 13, a line hooking slave shaft 14 and a synchronous wheel set. The feeding main shaft 11 is in transmission connection with the driving module, and the feeding main shaft 11, the feeding slave shaft 12, the line hooking main shaft 13 and the line hooking slave shaft 14 are in transmission connection with the synchronous wheel set. The driving module drives the feeding slave shaft 12 to drive the synchronous wheel set to rotate, and then drive the feeding slave shaft 12, the line hooking main shaft 13 and the line hooking slave shaft 14 to rotate.

[0023] As a further improvement of the present application, the synchronous wheel set comprises a first synchronous wheel 15, a second synchronous wheel 16 and a third synchronous wheel 17. The first synchronous wheel 15 and the second synchronous wheel 16 are arranged between the feeding main shaft 11 and the line hooking main shaft 13. One side of the first synchronous wheel 15 is tangentially arranged with the line hooking main shaft 13, and one side of the first synchronous wheel 15 is tangentially arranged with one side of the second synchronous wheel 16. The other side of the second synchronous wheel 16 is tangentially arranged with one side of the feeding main shaft 11, and the other side of the feeding main shaft 11 is tangentially arranged with one side of the third synchronous wheel 17. The other side of the third synchronous wheel 17 is tangentially arranged with one side of the line hooking slave shaft 14, and the other side of the line hooking slave shaft 14 is tangentially arranged with the feeding slave shaft 12. The feeding main shaft 11 drives the line hooking main shaft 13 to rotate through the first synchronous wheel 15 and the second synchronous wheel 16, and the feeding main shaft 11 drives the line hooking slave shaft 14 and the feeding slave shaft 12 to rotate through the third synchronous wheel 17.

[0024] As a further improvement of the present application, the line hooking module 200 comprises a first rotating hook shaft 21, a first rotating hook 22, a second rotating hook shaft 23 and a second rotating hook 24, one end of the first rotating hook shaft 21 is in transmission connection with the line hooking main shaft 13, the first rotating hook 22 is arranged at the other end of the first rotating hook shaft 21, one end of the first rotating hook shaft 21 is in transmission connection with the line hooking slave shaft 14, the second rotating hook 24 is arranged at the other end of the second rotating hook shaft 23, wherein the line hooking main shaft 13 drives the first rotating hook shaft 21 to rotate, thereby driving the first rotating hook 22 to hook the line pressed by the head on the material, the line hooking slave shaft 14 drives the second rotating hook shaft 23 to rotate, thereby driving the second rotating hook 24 to hook the line pressed by the head on the material.

[0025] As a further improvement of the present application, the line hooking main shaft 13 is provided with a first inclined roller 18, the first rotating hook shaft 21 is provided with a second inclined roller 25 matched with the first inclined roller 18, the line hooking slave shaft 14 is provided with a third inclined roller 19, and the second rotating hook shaft 24 is provided with a fourth inclined roller 26 matched with the third inclined roller 19, wherein the line hooking main shaft 13 drives the second rotating hook shaft 23 to rotate through the first inclined roller 18 and the second inclined roller 25, and the line hooking slave shaft 14 drives the second rotating hook shaft 24 to rotate through the third inclined roller 19 and the fourth inclined roller 26.

[0026] As a further improvement of the present application, the feeding module 300 comprises a first movable support 31, a first feeding rack 32, a second movable support 33, a second feeding rack 34 and a connecting rod 35, one end of the first movable support 31 is sleeved on the feeding main shaft 11, the other end of the first movable support 31 is sleeved on the first synchronous wheel 15, the first feeding rack 32 is installed on the first movable support 31, one end of the second movable support 33 is sleeved on the third synchronous wheel 17, the other end of the second movable support 33 is sleeved on the feeding slave shaft 12, the second feeding rack 34 is installed on the second movable support 33, and the connecting rod 35 is arranged between the feeding main shaft 11 and the feeding slave shaft 12, wherein the feeding main shaft 11 and the first synchronous wheel 15 drive the first movable support 31 to work, thereby driving the first feeding rack 32 to move the material, and the feeding slave shaft 12 and the third synchronous wheel 17 drive the second movable support 33 to work, thereby driving the second feeding rack 34 to move the material.

[0027] In the description of the present application, unless otherwise clearly specified and limited, the terms "installation", "connection", "linkage", "fixation" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail herein.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the protection scope of the present application, and although the present application has been described in detail with reference to the preferred embodiments, those ordinary skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A synchronized thread pickup feed mechanism for a double head sewing machine, characterized by, The device comprises a driving module for driving the transmission module, a transmission module for driving the hooking module and the feeding module, a hooking module for hooking the thread on the material, and a feeding module for assisting the movement of the material. The driving module is in transmission connection with the transmission module, and the hooking module and the feeding module are respectively in transmission connection with the transmission module. The driving module drives the transmission module to work, thereby driving the hooking module to hook the thread on the material and driving the feeding module to move the material. The transmission module comprises a feeding main shaft, a feeding slave shaft, a hooking main shaft, a hooking slave shaft and a synchronous wheel set. The feeding main shaft is in transmission connection with the driving module, and the feeding main shaft, the feeding slave shaft, the hooking main shaft and the hooking slave shaft are in transmission connection through the synchronous wheel set. The driving module drives the feeding slave shaft, thereby driving the synchronous wheel set to rotate, and further driving the feeding slave shaft, the hooking main shaft and the hooking slave shaft to rotate. The synchronous wheel set comprises a first synchronous wheel, a second synchronous wheel and a third synchronous wheel. The first synchronous wheel and the second synchronous wheel are arranged between the feeding main shaft and the hooking main shaft. One side of the first synchronous wheel is tangentially arranged with the hooking main shaft, one side of the first synchronous wheel is tangentially arranged with one side of the second synchronous wheel, the other side of the second synchronous wheel is tangentially arranged with one side of the feeding main shaft, the other side of the feeding main shaft is tangentially arranged with one side of the third synchronous wheel, the other side of the third synchronous wheel is tangentially arranged with one side of the hooking slave shaft, and the other side of the hooking slave shaft is tangentially arranged with the feeding slave shaft. The feeding main shaft drives the hooking main shaft to rotate through the first synchronous wheel and the second synchronous wheel, and drives the hooking slave shaft and the feeding slave shaft to rotate through the third synchronous wheel.

2. A synchronised thread pickup feed mechanism for a double head sewing machine as claimed in claim 1, wherein, The driving module is any one of a driving motor or a rotary air cylinder.

3. The synchronized thread pickup feed mechanism for a double-head sewing machine according to claim 1, wherein The hooking module comprises a first shuttle rotating shaft, a first shuttle, a second shuttle rotating shaft and a second shuttle. One end of the first shuttle rotating shaft is in transmission connection with the hooking main shaft, and the first shuttle is arranged at the other end of the first shuttle rotating shaft. One end of the second shuttle rotating shaft is in transmission connection with the hooking slave shaft, and the second shuttle is arranged at the other end of the second shuttle rotating shaft. The hooking main shaft drives the first shuttle rotating shaft to rotate, thereby driving the first shuttle to hook the thread on the material which is pressed down by the machine head. The hooking slave shaft drives the second shuttle rotating shaft to rotate, thereby driving the second shuttle to hook the thread on the material which is pressed down by the machine head.

4. A synchronised thread pickup feed mechanism for a twin-head sewing machine as claimed in claim 3, wherein, The hooking main shaft is provided with a first inclined roller, the first shuttle rotating shaft is provided with a second inclined roller which is matched with the first inclined roller, the hooking slave shaft is provided with a third inclined roller, and the second shuttle rotating shaft is provided with a fourth inclined roller which is matched with the third inclined roller. The hooking main shaft drives the first shuttle rotating shaft to rotate through the first inclined roller and the second inclined roller, and the hooking slave shaft drives the second shuttle rotating shaft to rotate through the third inclined roller and the fourth inclined roller.

5. The synchronized thread pickup mechanism for a double-head sewing machine of claim 1 wherein, The feeding module comprises a first movable support, a first feeding rack, a second movable support, a second feeding rack and a connecting rod, one end of the first movable support is sleeved on the feeding main shaft, the other end of the first movable support is sleeved on the first synchronous wheel, the first feeding rack is installed on the first movable support, one end of the second movable support is sleeved on the third synchronous wheel, the other end of the second movable support is sleeved on the feeding slave shaft, the second feeding rack is installed on the second movable support, the connecting rod is arranged between the feeding main shaft and the feeding slave shaft, wherein the feeding main shaft and the first synchronous wheel work by driving the first movable support, thereby driving the first feeding rack to move the material, the feeding slave shaft and the third synchronous wheel work by driving the second movable support, thereby driving the second feeding rack to move the material.

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