Cloth belt tensioning device

Abstract

The utility model relates to a cloth belt tensioning device which comprises a bottom plate and further comprises at least two belt pulling assemblies arranged on the bottom plate in an array mode and used for providing power. The belt pressing assembly is obliquely arranged above the belt pulling assembly and is used for extruding the cloth belt to enable the cloth belt to be firmly contacted with the belt pulling assembly; the at least two gravity adaptation assemblies are arranged on the bottom plate in a swinging mode and located on the lower left portion of the drawstring assembly; the cloth belt tensioning device has the advantages of being reasonable in structural design and easy to operate, feeding adjustment can be effectively carried out through the arrangement of the two belt pulling assemblies, and the cloth belt is always kept in a tensioning state.

Description

Technical Field

[0001] The utility model relates to the technical field of nylon zipper production equipment, in particular to a cloth belt tensioning device used for nylon zipper production. Background Art

[0002] The existing Chinese patent CN202320743456.1 discloses a tape tensioning device for zipper sewing equipment; the tape tensioning device can adjust and control the feeding and discharging respectively, so that the entire tape can meet the production requirements of the zipper and optimize itself to achieve intelligent control. However, the tape tensioning device is still prone to shaking and jumping during the feeding process during use, which affects sewing. For this reason, this application provides a tape tensioning device to solve the above technical problems. Summary of the invention

[0003] In order to solve the above technical problems, the utility model provides a cloth belt tensioning device which has a reasonable structural design, is simple to operate, and can effectively adjust the feed through the setting of a double pull belt assembly, so as to always keep the cloth belt in a tensioned state, so as to solve the problems of shaking and jumping of the material that are prone to occur in the existing feeding process.

[0004] The technical solution of the utility model is as follows: a cloth belt tensioning device, comprising a bottom plate, the cloth belt tensioning device also includes:

[0005] A pull belt assembly, at least two pull belt assembly arrays are arranged on the bottom plate to provide power;

[0006] A belt pressing assembly is obliquely arranged above the draw belt assembly and is used to press the cloth belt to make it firmly contact with the draw belt assembly;

[0007] Gravity adapter components, at least two of which are swingably disposed on the bottom plate and are located at the lower left of the drawstring component;

[0008] Wherein: the cloth belt is stably conveyed forward through the cooperation of multiple groups of the pulling belt components and the pressing belt components while ensuring the tension degree.

[0009] Furthermore, the two drawstring assemblies are arranged in a line on the base plate; the drawstring assembly includes a servo drive motor fixedly mounted on the base plate through a motor mounting plate; the output end of the servo drive motor is detachably provided with a friction drawing column with a knurled surface; the pressing belt assembly is rotatably connected to the friction drawing column.

[0010] Furthermore, the belt pressing assembly includes a hollow square bracket; one end of the square bracket is swingably set on the base plate through a swing shaft; the other end of the square bracket is connected to the base plate through an elastic member; a pressing wheel is rotatably provided on the inner side of the square bracket; wherein: under the action of the elastic member; the pressing wheel always moves towards and squeezes the friction pulling column.

[0011] Furthermore, the gravity adaptation component includes a gear detection component rotatably arranged on the base plate; a pendulum shaft is fixedly provided on the input shaft of the gear detection component; a guide wheel is rotatably provided at one end of the pendulum shaft; an adapter block is slidably provided on the pendulum shaft; and sensors are provided corresponding to the highest end and the lowest end of the swing of the pendulum shaft.

[0012] Furthermore, the cloth belt tensioning device also includes a second guide wheel; the second guide wheel is arranged between the gravity adapter component and the pull belt component.

[0013] Furthermore, the cloth tape tensioning device also includes a belt-out clamping assembly; the belt-out clamping assembly can be swingably disposed on the bottom plate.

[0014] Furthermore, the belt-out clamping assembly includes an optical axis fixed on the base plate; a belt-out swing rod is swingably provided on one side of the optical axis; an adjusting component is adjustably installed on one side of the belt-out swing rod; the adjusting component can drive the belt-out swing rod to move closer to the optical axis through a second elastic component; a second sensor is provided at a position corresponding to one side of the belt-out swing rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1) The utility model can effectively ensure the tension degree to adjust and control the feeding and discharging respectively by arranging multiple groups of pull belt assemblies and pressing belt assemblies to stably convey the cloth belt forward, so that the entire cloth belt can be automatically tensioned and optimized while meeting the production requirements of the zipper, and the cooperation of the double pull belt assembly and the pressing belt assembly can change the moving direction of the cloth belt for many times, further changing the jitter in the feeding direction, ensuring that the final output is in a stable state. What's more, the entire device concentrates multiple functional structures on one device, reducing investment costs and increasing processing efficiency;

[0017] 2) During the production process of the utility model, the output material is re-compressed and positioned through the output belt clamping assembly, which can effectively avoid problems such as shaking and jumping of the material during the feeding process, so that the cloth belt is in the best tension state during the entire sewing process, effectively ensuring the sewing production quality, reducing production working time and thus improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To further illustrate the various embodiments, the present invention provides drawings. These drawings are part of the disclosure of the present invention, which are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, a person of ordinary skill in the art should be able to understand other possible implementations and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the cloth belt tensioning device of the utility model. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] See also Figure 1 As shown, a tape tensioning device is used in zipper sewing production equipment to fix the feeding tape to prevent the material from shaking and jumping during the feeding process, which affects the sewing process. The tape tensioning device includes a bottom plate 1 and a drawstring assembly 2. 、 Press belt assembly 3 、Gravity adaptation component 4 and controller. At least two of the drawstring assemblies 2 are arranged in an array on the base plate 1 to provide power. In the present embodiment, it is preferred that two of the drawstring assemblies 2 are arranged in an array on the base plate 1 to ensure that the moving direction of the belt is changed more frequently during feeding, so as to ensure that there is no shaking or jumping of the material, and to achieve precise feeding; the pressing belt assembly 3 is arranged obliquely above the drawstring assemblies 2 to squeeze the cloth tape so that it is firmly in contact with the drawstring assemblies 2, so as to ensure that the drawstring assemblies 2 have sufficient friction during the drawstring feeding and do not slip; the gravity adapter assembly 4 is swingably arranged on the base plate 1 and is located at the lower left of the drawstring assemblies 2, so as to automatically adjust the tension of the cloth tape and form a feedback signal to control the rotation of the drawstring assemblies 2 to achieve precise feeding without shaking; the controller is arranged on the zipper sewing production equipment and is circuit-connected to the drawstring assemblies 2 and the gravity adapter assembly 4. The automatic control part of the controller can be specifically set by technicians in this field according to the requirements of the zipper sewing production process, the structure of the cloth tape tensioning device described below and the working process, which will not be repeated here. In this embodiment, the fabric tape is stably conveyed forward by the cooperation of multiple groups of drawstring assemblies and pressure belt assemblies, which can effectively ensure the tension to adjust and control the feeding and discharging respectively, so that the entire fabric tape can be self-tensioned and optimized while meeting the production requirements of the zipper, and the cooperation of the double drawstring assemblies and the pressure belt assemblies can change the direction of the fabric tape movement multiple times, further changing the jitter in the feeding direction, ensuring that the final output is in a stable state. What's more, the entire device concentrates multiple functional structures on one device, reducing investment costs and increasing processing efficiency. 、 Press belt assembly 3 、 The gravity adapter component 4 is introduced in detail.

[0023] On the basis of the above-mentioned embodiment, the two drawstring assemblies 2 are arranged in a line on the base plate 1, and are used to change the moving direction of the cloth tape while pulling the cloth tape, thereby reducing the occurrence of jitter; the drawstring assembly 2 includes a servo drive motor 21 fixedly mounted on the base plate 1 through a motor mounting plate, which is used to provide pulling power; the output end of the servo drive motor 21 is detachably provided with a friction drawing column 22 with a knurled surface, which is used to directly contact the cloth tape to generate friction drawing while ensuring tension; the pressing belt assembly 3 is rotatably connected to the friction drawing column 22, that is, when working, the servo drive motor 21 rotates according to the signal fed back by the controller, thereby driving the friction drawing column 22 to rotate. Due to the action of the cloth tape, the pressing belt assembly 3 is driven to roll, thereby ensuring that the pressing belt assembly 3 can always press the cloth tape tightly.

[0024] On the basis of the above embodiment, the belt pressing assembly 3 includes a hollow square bracket 31; one end of the square bracket 31 is swingably arranged on the bottom plate 1 through a swing shaft, so that it can freely swing back and forth above the friction material drawing column 22 to achieve adaptive adjustment; the other end of the square bracket 31 is connected to the bottom plate 1 through an elastic member 32, which is used to drive the square bracket 31 to always approach the friction material drawing column 22 to squeeze the cloth belt; a material pressing wheel 33 is rotatably arranged inside the square bracket 31. Specifically, under the action of the elastic member 32; the material pressing wheel 33 always approaches and squeezes the friction material drawing column 22 to ensure that the material can be accurately fed without slipping when pulling the material, and at the same time, the vibration on the cloth belt can be offset and controlled to ensure that no material jumps and improve the sewing quality.

[0025] On the basis of the above embodiment, the gravity adapter component 4 includes a gear detection component 41 rotatably arranged on the base plate 1, for providing driving force; a swing shaft 42 is fixedly arranged on the input shaft of the gear detection component 41, for guiding the cloth belt so that it is in a tensioned state and drives the gear detection component 41 to rotate; a guide wheel 43 is rotatably arranged at one end of the swing shaft 42; an adapter block 44 is slidably arranged on the swing shaft 42; sensors 45 are arranged corresponding to the highest and lowest ends of the swing of the swing shaft 42, for sensing the angle of rotation of the swing shaft 42, and then sending a signal to the controller to control the servo drive motor 21 to rotate so that it can quickly return to its original position, effectively ensuring that it is in a tensioned state during the feeding process to avoid material jumping.

[0026] Based on the above embodiment, the cloth belt tensioning device also includes a second guide wheel 5; the second guide wheel 5 is arranged between the gravity adapter component 4 and the pull belt component 2, and is used to change the direction of movement, so that the entire occupied space is smaller while ensuring an effective tensioning degree to avoid material jumping.

[0027] On the basis of the above-mentioned embodiment, the cloth tape tensioning device further comprises a belt-discharging clamping assembly 6; the belt-discharging clamping assembly 6 can be swingably disposed on the bottom plate 1, and is used for re-positioning the final discharging material to avoid material jumping.

[0028] On the basis of the above-mentioned embodiment, the belt-out clamping assembly 6 includes an optical axis 61 fixed on the bottom plate 1; a belt-out swing rod 62 is swingably provided on one side of the optical axis 61; an adjusting component 63 is adjustably installed on one side of the belt-out swing rod 62; the adjusting component 63 can drive the belt-out swing rod 62 to move closer to the optical axis 61 through a second elastic member; a second sensor 64 is provided at a position corresponding to one side of the belt-out swing rod 62. In this embodiment, the belt-out clamping assembly is used to clamp and position the outgoing material again, which can effectively avoid problems such as jitter and material jumping that are prone to occur during the feeding process, so that the cloth tape is in the best tension state during the entire sewing process, effectively ensuring the sewing production quality, reducing production working time, and thus improving production efficiency.

[0029] To sum up, the utility model has a reasonable structural design, simple operation, and can effectively adjust the feed through the setting of the double pull belt assembly. The cloth belt tensioning device always keeps the cloth belt in a tensioned state, effectively solving the problems of shaking and jumping that are prone to occur in the existing feeding process.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cloth belt tensioning device, comprising a bottom plate (1), characterized in that: The cloth belt tensioning device also includes: A pull belt assembly (2), at least two of the pull belt assemblies (2) are arranged in an array on the bottom plate (1) to provide power; A belt pressing assembly (3) is arranged obliquely above the belt pulling assembly (2) and is used to press the cloth belt so that it is firmly in contact with the belt pulling assembly (2); A gravity adapter component (4), at least two of the gravity adapter components (4) are swingably disposed on the bottom plate (1) and are located at the lower left of the drawstring component (2); Wherein: the cloth belt is stably conveyed forwards through the cooperation of multiple groups of the pulling belt components (2) and the pressing belt components (3) while ensuring the tension degree.

2. The tape tensioning device according to claim 1, characterized in that: The two drawstring assemblies (2) are arranged in a line on the base plate (1); the drawstring assemblies (2) include a servo drive motor (21) fixedly mounted on the base plate (1) via a motor mounting plate; the output end of the servo drive motor (21) is detachably provided with a friction drawing column (22) with a knurled surface; the belt pressing assembly (3) is rotatably connected to the friction drawing column (22).

3. The tape tensioning device according to claim 2, characterized in that: The belt pressing assembly (3) comprises a hollow square bracket (31); one end of the square bracket (31) is swingably arranged on the base plate (1) via a swing shaft; the other end of the square bracket (31) is connected to the base plate (1) via an elastic member (32); a material pressing wheel (33) is rotatably arranged on the inner side of the square bracket (31); wherein: under the action of the elastic member (32); the material pressing wheel (33) always moves towards and presses the friction pulling column (22).

4. The tape tensioning device according to claim 1, characterized in that: The gravity adaptor assembly (4) comprises a gear detection assembly (41) rotatably arranged on the bottom plate (1); a swing shaft (42) is fixedly arranged on the input shaft of the gear detection assembly (41); a guide wheel (43) is rotatably arranged at one end of the swing shaft (42); an adaptor block (44) is slidably arranged on the swing shaft (42); and sensors (45) are arranged corresponding to the highest end and the lowest end of the swing of the swing shaft (42).

5. The tape tensioning device according to any one of claims 1 to 4, characterized in that: The cloth belt tensioning device also includes a second guide wheel (5); the second guide wheel (5) is arranged between the gravity adapter component (4) and the pull belt component (2).

6. The tape tensioning device according to any one of claims 1 to 4, characterized in that: The cloth belt tensioning device also includes a belt-out pressing assembly (6); the belt-out pressing assembly (6) is swingably arranged on the bottom plate (1).

7. The tape tensioning device according to claim 6, characterized in that: The belt-out clamping assembly (6) comprises an optical axis (61) fixed on the bottom plate (1); a belt-out swing rod (62) is swingably provided on one side of the optical axis (61); an adjusting component (63) is adjustably installed on one side of the belt-out swing rod (62); the adjusting component (63) can drive the belt-out swing rod (62) to move closer to the optical axis (61) via a second elastic component; and a second sensor (64) is provided at a position corresponding to one side of the belt-out swing rod (62).

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