Electronic tension yarn trapper and electronic tension yarn trapper control system for multiple embroidery machine heads

Abstract

The utility model provides an electronic tension yarn trapper and a plurality of embroidery machine head electronic tension yarn trapper control system, wherein the electronic tension yarn trapper comprises a panel, the panel is provided with a yarn clamping piece assembly close to a yarn inlet, the yarn clamping piece assembly moves along the axial direction of the panel so as to adjust the tension of embroidery threads, and the embroidery machine head electronic tension yarn trapper control system is provided with a plurality of embroidery machine heads. A wire passing wheel assembly is arranged at the position, close to the wire outlet, of the panel, the wire passing wheel assembly comprises a wire passing wheel and an inductor used for monitoring the rotating speed of the wire passing wheel, and a control system controls the wire clamping piece assembly to move in the axial direction of the wire passing wheel according to the rotating speed of the wire passing wheel. The defect that the working efficiency of the embroidery machine and the embroidery quality are affected due to time-consuming and inaccurate manual detection of the tension of the embroidery thread in the prior art can be overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of embroidery machines, in particular to an electronic tension thread clamp and a control system for multiple electronic tension thread clamps of embroidery machine heads. Background Art

[0002] The tension system is an important working part of the embroidery machine. The appropriate tension of the embroidery machine directly affects the quality of the embroidery made by the embroidery machine. During the operation of the embroidery machine, it is very important to detect the tension of the embroidery thread. In the existing technology, skilled operators are required to manually pull the embroidery thread based on years of work experience and sense the tension of the embroidery thread. When the staff senses that the tension of a certain embroidery thread is too large, manual adjustment is required. This process requires high technical proficiency of the operator, and the tension depends entirely on the experience and proficiency of the detection worker. If the tension is not adjusted in time, the embroidery will be uneven in tightness and fullness, which will seriously affect the quality of the embroidery. Utility Model Content

[0003] Therefore, the utility model provides an electronic tension thread clamp and a control system for multiple embroidery machine heads, which can overcome the defects in the prior art that manual detection of embroidery thread tension is time-consuming and inaccurate, and that automatic tension detection equipment is complicated and easily causes multiple strands of thread to be entangled, thereby affecting the working efficiency of the embroidery machine.

[0004] In order to solve the above problems, the utility model provides an electronic tension thread clamp, comprising a panel, a thread clamp assembly is arranged on the panel near the thread inlet, the thread clamp assembly moves along its axial direction to adjust the embroidery thread tension, and a thread passing wheel assembly is arranged on the panel near the thread outlet, the thread passing wheel assembly comprises a thread passing wheel and a sensor for monitoring the rotation speed of the thread passing wheel, and a control system controls the thread clamp assembly to move along its axial direction according to the rotation speed of the thread passing wheel.

[0005] In some embodiments, the wire clamp assembly includes two wire clamp bodies, which are sleeved on a stud, and the stud passes through a mounting hole on the panel. A spring is sleeved on the tail end of the stud and is restricted on the stud by a first locking mechanism so that the two wire clamp bodies can be clamped between the top end of the stud and the panel.

[0006] In some embodiments, the wire clamp assembly also includes a movable plate, the back of the panel is also connected to a fixed column, the driving device is fixed on the fixed column, one end of the spring is connected to the back of the panel, and the other end is connected to the first locking mechanism, the tail end of the stud is also connected to the movable plate through the second locking mechanism, the movable plate is limited between the first locking mechanism and the second locking mechanism, the output shaft of the driving device is connected to the movable plate so as to be able to push the movable plate closer to or away from the panel, and the driving device is also communicatively connected to the control system.

[0007] In some embodiments, the wire clamp assembly also includes a movable plate, the back of the panel is also connected to a fixed column, the driving device is fixed on the fixed column, the tail end of the stud passes through the panel and the movable plate, one end of the spring is connected to the movable plate, and the other end is connected to the first locking mechanism, the output shaft of the driving device is connected to the movable plate so as to be able to push the movable plate closer to or away from the panel, and the driving device is also communicatively connected to the control system.

[0008] In some embodiments, the wire clamp assembly also includes a fixed plate, which is fixedly connected to the panel, and the fixed column is fixed on the fixed plate. A plurality of guide columns are also provided between the fixed plate and the movable plate, and one end of the guide column is connected to the fixed plate, and the other end thereof passes through the movable plate, and the movable plate can slide along the guide column.

[0009] In some embodiments, the movable plate is further provided with a guide body, and the guide column passes through the guide body and can slide along the guide body.

[0010] In some embodiments, the electronic tension thread clamp further includes a display device, wherein the display device is connected to the control system and is used to display the tension of the embroidery thread.

[0011] In some embodiments, the sensor is a magnetic sensor.

[0012] The present application also provides a control system for multiple electronic tension thread clamps of embroidery machine heads, characterized in that it includes several of the above-mentioned electronic tension thread clamps, and a general control system is connected to several of the control systems. The general control system controls the axial movement of the thread clamp assembly according to the embroidery thread tension or the rotation speed of the thread wheel.

[0013] The utility model provides an electronic tension thread clamp and a plurality of electronic tension thread clamp control systems for embroidery machine heads, which provide preset tension for embroidery thread by setting a thread clamp assembly, and the embroidery thread leads out of the electronic tension thread clamp after passing through the thread wheel assembly. During use, under the action of friction, when the embroidery thread passes through the thread wheel assembly, the thread wheel will rotate. The present application sets a sensor on the thread wheel assembly, and monitors the thread wheel speed through the sensor. When the thread wheel speed exceeds the preset value, the embroidery thread tension becomes smaller, and the thread clamp assembly is adjusted to move axially, and the gap between the two thread clamps is adjusted to become smaller, thereby increasing the embroidery thread tension. On the contrary, when the thread wheel speed is lower than the preset value, the embroidery thread tension becomes larger, and the thread clamp assembly is adjusted to move in the opposite direction along the axial direction, and the gap between the two thread clamps is adjusted to become larger, thereby reducing the embroidery thread tension. By automatically sensing the thread wheel speed, the speed is converted into the embroidery thread tension, and the clamping force of the thread clamp assembly is automatically adjusted, thereby increasing or reducing the embroidery thread tension. Real-time monitoring of the embroidery thread tension is achieved, no manual operation is required, the adjustment accuracy is high, and the adjustment method is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front structural schematic diagram of an electronic tension clamp according to an embodiment of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the electronic tension clamp according to an embodiment of the utility model.

[0016] The reference numerals are as follows:

[0017] 1. Panel; 2. Wire clamp assembly; 201. Stud; 202. Wire clamp body; 203. Moving plate; 204. Spring; 3. Wire wheel assembly; 301. Sensor; 4. Display device; 5. Driving device; 6. Guide body; 7. Guide column; 8. Fixed column. DETAILED DESCRIPTION

[0018] See also Figure 1 to Figure 2As shown, according to an embodiment of the utility model, there is provided an electronic tension thread clamp, comprising a panel 1, wherein the panel 1 is provided with a thread clamp assembly 2 near the thread inlet, wherein the thread clamp assembly 2 moves along its axial direction so as to be able to adjust the tension of the embroidery thread, wherein the panel 1 is provided with a thread passing wheel assembly 3 near the thread outlet, wherein the thread passing wheel assembly 3 comprises a thread passing wheel and a sensor 301 for monitoring the rotation speed of the thread passing wheel, and a control system controls the thread clamp assembly 2 to move along its axial direction according to the rotation speed of the thread passing wheel. The thread clamp assembly 2 is provided to provide a preset tension for the embroidery thread, and the embroidery thread is led out of the electronic tension thread clamp after passing through the thread passing wheel assembly 3. During use, when the embroidery thread passes through the thread passing wheel assembly, the thread passing wheel rotates under the action of friction. A sensor 301 is provided on the thread wheel assembly 3, and the thread wheel speed is monitored by the sensor 301. The sensor 301 transmits the thread wheel speed to the control system. When the thread wheel speed exceeds the preset value, the embroidery thread tension decreases, and the control system adjusts the axial movement of the thread clamping plate assembly 2 to increase the clamping force of the thread clamping plate assembly 2 on the embroidery thread, thereby increasing the embroidery thread tension. On the contrary, when the thread wheel speed is lower than the preset value, it means that the embroidery thread tension increases, and the thread clamping plate assembly 2 is adjusted to move in the axial reverse direction to reduce the clamping force of the thread clamping plate assembly 2 on the embroidery thread, thereby reducing the embroidery thread tension. The thread wheel speed is automatically sensed by the sensor 301, and the speed is converted into the embroidery thread tension, and the clamping force of the thread clamping plate assembly 2 is adjusted to increase or decrease the embroidery thread tension. The real-time monitoring of the embroidery thread tension is realized, and the control system completes the monitoring and adjustment process without manual operation, with high adjustment accuracy and quick and convenient adjustment method.

[0019] Specifically, the thread clamping piece assembly 2 can be one or more, depending on the number of embroidery needles.

[0020] In a specific embodiment, the clamp assembly 2 includes two clamp bodies 202, which are sleeved on the stud 201, and the stud 201 passes through the mounting hole on the panel 1. The tail end of the stud 201 is sleeved with a spring 204, and is limited on the stud 201 by a first locking mechanism, so that the two clamp bodies 202 can be clamped between the top of the stud 201 and the panel 1. The two clamp bodies 202 are stacked together, and the clamp bodies 202 are installed on the panel 1 through the stud 201 and the spring 204. And under the action of the spring, the two clamp bodies 202 have a certain clamping force, simple structure, and convenient adjustment. Specifically, the thread clamp body 202 is two sheets that interlock with each other to clamp the embroidery thread, or two covers with arc-shaped bosses that interlock with each other to clamp the embroidery thread, or a wheel structure with an annular groove on the outer wall, in which the embroidery thread is wound, and the friction between the wheel and the embroidery thread forms a clamping effect on the embroidery thread, and the tension of the embroidery thread is adjusted by adjusting the tightness of the wheel. Specifically, the wheel can be two bodies with boss structures that interlock with each other to form a wheel with an annular groove, or it can be an integrally formed wheel. Of course, the thread clamp assembly can also be other structures that can form a clamping effect on the embroidery thread.

[0021] Specifically, the thread clamp body 202 is provided with a notch, and a wire post is provided at the wire outlet position of the thread clamp body 202 on the panel 1, and the wire post is adapted to the notch. A wire post is also provided at the wire inlet position of the thread clamp body 202, and a wire post is provided at each inlet and outlet to ensure that the embroidery thread clamped by the thread clamp body 202 remains in a straight state and to ensure that the tension of each section of the embroidery thread is basically the same.

[0022] In a specific embodiment, the wire clamp assembly 2 also includes a movable plate 203, the back of the panel 1 is also connected to a fixed column 8, the drive device 5 is fixed on the fixed column 8, one end of the spring 204 is connected to the back of the panel 1, and the other end is connected to the first locking mechanism, the tail end of the stud 201 is also connected to the movable plate 203 through the second locking mechanism, the movable plate 203 is limited between the first locking mechanism and the second locking mechanism, the output shaft of the drive device 5 is connected to the movable plate 203 so as to be able to push the movable plate 203 closer to or away from the panel 1, and the drive device 5 is also communicatively connected to the control system. The fixed column 8 is set on the panel 1 to provide fixed support for the driving device 5, and the spring 204 is limited between the panel and the first locking mechanism. At this time, the spring 204 is in a compressed state. Under the action of the elastic force, the two clamping plate bodies 202 are in a clamped state. The tail end of the stud 201 continues to pass through the movable plate 203, and the movable plate 203 is limited between the first locking mechanism and the second locking mechanism through the second locking mechanism. The output shaft of the driving device 5 is connected to the movable plate 203, and the output shaft of the driving device 5 pushes and pulls the movable plate 203 to achieve the movable plate 203 approaching or moving away from the panel 1. Driven by the movable plate 203, the stud 201 moves along its axial direction, thereby increasing the gap between the top of the stud 201 and the panel 1, so as to reduce the force between the two clamping plate bodies 202, thereby reducing the embroidery thread tension. Otherwise, the embroidery thread tension is increased. The driving device 5 is connected to the control system to realize the automatic control of the driving device 5.

[0023] Specifically, the first locking mechanism and the second locking mechanism are both nuts.

[0024] Specifically, the driving device is a motor, and according to the motor pulse, the pulse is converted into a motion stroke, thereby controlling the motion stroke of the moving plate 203.

[0025] Specifically, a corresponding tension adjustment button may be provided on the panel 1, and the button is connected to the control system to realize free adjustment of the tension of the individual electronic tension clamp.

[0026] In a specific embodiment, the thread clamp assembly 2 also includes a moving plate 203, the back of the panel 1 is also connected to a fixed column 8, the driving device 5 is fixed on the fixed column 8, the tail end of the stud 201 passes through the panel 1 and the moving plate 203, one end of the spring 204 is connected to the moving plate 203, and the other end is connected to the first locking mechanism, the output shaft of the driving device 5 is connected to the moving plate 203, so as to be able to push the moving plate 203 closer to or away from the panel 1, and the driving device 5 is also connected to the control system. In addition to the above installation method, the spring 204 can also be limited between the moving plate and the first locking mechanism, and the distance between the moving plate 203 and the fixed plate can be adjusted to adjust the force of the spring 204 on the stud 201, so as to adjust the clamping force of the thread clamp body 202, and the embroidery thread tension can also be adjusted.

[0027] In a specific embodiment, the thread clamp assembly further includes a fixed plate, the fixed plate is fixedly connected to the panel 1, the fixed column 8 is fixedly arranged on the fixed plate, and a plurality of guide columns 7 are arranged between the fixed plate and the movable plate 203, one end of the guide column 7 is connected to the fixed plate, and the other end thereof passes through the movable plate 203, and the movable plate 203 can slide along the guide columns 7. A plurality of guide columns 7 are arranged between the movable plate 203 and the fixed plate to provide a guiding function for the moving process of the movable plate 203, so as to prevent the movable plate from deviating from the preset route, resulting in the inability to accurately adjust the embroidery thread tension.

[0028] In a specific embodiment, the movable plate 203 is further provided with a guide body 6, and the guide column 7 passes through the guide body 6 and can slide along the guide body 6. The guide body 6 is provided on the movable plate 203, so that the guiding function of the guide column 7 can be improved.

[0029] In a specific embodiment, the electronic tension thread clamp further includes a display device 4, which is connected to the control system and is used to display the tension of the embroidery thread. The display device 4 is added to display the current embroidery thread tension in real time, which is convenient for the staff to observe whether the current embroidery thread tension meets the embroidery requirements and improve the quality of the embroidery product.

[0030] In a specific embodiment, the sensor 301 is a magnetic sensor.

[0031] The present application also provides a control system for multiple embroidery machine head electronic tension thread clamps, including several of the above-mentioned electronic tension thread clamps, and a general control system connecting several of the control systems. The general control system controls the thread clamp assembly 2 to move along its axial direction according to the embroidery thread tension or the speed of the thread wheel.

[0032] When the product is installed, the staff will match the tension of the embroidery thread and the speed of the thread wheel according to the embroidery work, set the initial thread wheel speed, and the tension of the embroidery thread at this speed, and input the result into the control system. During use, if an embroidery machine with a single electronic tension thread clamp is used, the staff can adjust the current embroidery thread tension or speed displayed on the display device 4 through the buttons on the electronic tension thread clamp. When multiple electronic tension thread clamps are used for embroidery work, the main control system is connected to the embroidery machine control system, and the sub-control systems of the single electronic tension thread clamps are all connected to the main control system. During the operation of the embroidery machine, the main control system compares the embroidery thread tension of each electronic tension thread clamp or the thread wheel speed according to the current working state. When the tension of a certain electronic tension thread clamp is detected to be too large or too small, the main control system transmits a control signal to the sub-control system of the electronic tension thread clamp to adjust the embroidery thread tension of the electronic tension thread clamp until the embroidery thread tension of each electronic tension thread clamp is basically consistent. The fullness of embroidery products produced in the same batch is achieved, and the quality of embroidery products is improved.

[0033] The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model should be included in the protection scope of the utility model. The above is only a preferred implementation of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and variations can be made without departing from the technical principles of the utility model, and these improvements and variations should also be regarded as the protection scope of the utility model.

Claims

1. An electronic tension clamp, characterized in that: The invention comprises a panel (1), wherein a thread clamping plate assembly (2) is arranged near a thread inlet of the panel (1), and the thread clamping plate assembly (2) moves along its axial direction so as to be able to adjust the tension of the embroidery thread; a thread passing wheel assembly (3) is arranged near a thread outlet of the panel (1), and the thread passing wheel assembly (3) comprises a thread passing wheel and a sensor (301) for monitoring the rotation speed of the thread passing wheel; and a control system controls the thread clamping plate assembly (2) to move along its axial direction according to the rotation speed of the thread passing wheel.

2. The electronic tension clamp according to claim 1, characterized in that: The wire clamp assembly (2) comprises two wire clamp bodies (202), the two wire clamp bodies (202) being sleeved on a stud (201), the stud (201) passing through a mounting hole on the panel (1), a spring (204) being sleeved on the tail end of the stud (201) and being restricted on the stud (201) by a first locking mechanism so as to clamp the two wire clamp bodies (202) between the top end of the stud (201) and the panel (1).

3. The electronic tension clamp according to claim 2, characterized in that: The clamping plate assembly (2) also includes a movable plate (203), the back side of the panel (1) is also connected to a fixed column (8), the driving device (5) is fixed on the fixed column (8), one end of the spring (204) is connected to the back side of the panel (1), and the other end is connected to the first locking mechanism, the tail end of the stud (201) is also connected to the movable plate (203) through the second locking mechanism, the movable plate (203) is limited between the first locking mechanism and the second locking mechanism, the output shaft of the driving device (5) is connected to the movable plate (203) so as to be able to push the movable plate (203) closer to or away from the panel (1), and the driving device (5) is also communicatively connected to the control system.

4. The electronic tension clamp according to claim 2, characterized in that: The wire clamp assembly (2) also includes a movable plate (203), the back side of the panel (1) is also connected to a fixed column (8), the drive device (5) is fixed on the fixed column (8), the tail end of the stud (201) passes through the panel (1) and the movable plate (203), one end of the spring (204) is connected to the movable plate (203), and the other end is connected to the first locking mechanism, the output shaft of the drive device (5) is connected to the movable plate (203) so as to be able to push the movable plate (203) closer to or away from the panel (1), and the drive device (5) is also communicatively connected to the control system.

5. The electronic tension clamp according to claim 3 or 4, characterized in that: The wire clamping plate assembly also includes a fixed plate, the fixed plate is fixedly connected to the panel (1), the fixed column (8) is fixedly arranged on the fixed plate, and a plurality of guide columns (7) are arranged between the fixed plate and the movable plate (203), one end of the guide column (7) is connected to the fixed plate, and the other end thereof passes through the movable plate (203), and the movable plate (203) can slide along the guide column (7).

6. The electronic tension clamp according to claim 5, characterized in that: The movable plate (203) is also provided with a guide body (6), and the guide column (7) passes through the guide body (6) and can slide along the guide body (6).

7. The electronic tension clamp according to claim 1, characterized in that: It also comprises a display device (4), which is connected to the control system and is used to display the tension of the embroidery thread.

8. The electronic tension clamp according to claim 1, characterized in that: The sensor (301) is a magnetic sensor.

9. A control system for multiple embroidery machine heads with electronic tension thread clamps, characterized in that: It comprises several electronic tension thread clamps as described in any one of claims 1-8, and a general control system is connected to several of the control systems, and the general control system controls the thread clamp assembly (2) to move along its axial direction according to the embroidery thread tension or the rotation speed of the thread wheel.

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