Belt tensioning device for zipper sewing equipment

Abstract

The utility model relates to a belt tensioning device for zipper sewing equipment. The belt tensioning device comprises a mounting bracket; the material pulling assembly is arranged at the tail end of the mounting bracket and is used for forwards pulling out the formed chain; the first driving source is rotationally arranged on the material pulling assembly and used for providing tensioning power; the at least two tensioning assemblies are arranged on the mounting bracket in a swinging manner; the first driving source can drive the adjacent tensioning assemblies to swing synchronously. The first driving source controls the tensioning assembly to swing synchronously, so that the feeding tensioning degree of a cloth belt is automatically adjusted in the cloth belt feeding process, the cloth belt is in the best tensioning state in the whole sewing process, the sewing production quality is effectively guaranteed, the production working time is shortened, and therefore the production efficiency is improved.

Description

Technical Field

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

[0002] Zippers are connectors that connect or separate items by means of continuously arranged chain teeth, and are therefore widely used in clothing, bags, tents, etc. However, during the production process of existing zippers, the fabric tape sags due to gravity, which makes it easy for the fabric to shake and jump during intermittent feeding, thus affecting sewing. For this reason, the utility model develops a tape tensioning device for zipper sewing equipment to solve the above technical problems. Summary of the invention

[0003] The utility model aims to provide a belt tensioning device for zipper sewing equipment, which has a reasonable structural design, is easy to operate and can effectively adjust the tightness of the cloth belt by itself, so as to solve the problem that the cloth belt of the zipper sags due to gravity during the production process, which makes it easy to shake and jump the material during the intermittent feeding process, thereby affecting the sewing.

[0004] In order to realize the above technical solution, the technical solution of the utility model is as follows: a belt tensioning device for a zipper sewing device, comprising:

[0005] Mounting bracket;

[0006] A material pulling assembly, arranged at the end of the mounting bracket, for pulling the formed chain forward;

[0007] A first driving source, rotatably disposed on the material pulling assembly, for providing tensioning power; and

[0008] Tensioning components, at least two of which are swingably disposed on the mounting bracket; the first driving source can drive adjacent tensioning components to swing synchronously.

[0009] Furthermore, the mounting bracket is arranged in an L shape; the first driving source is arranged at a vertical intersection of the L-shaped mounting bracket; and the material pulling assembly is arranged vertically along the length direction of the L-shaped mounting bracket.

[0010] Furthermore, the material pulling assembly includes a material pulling bracket; a material pulling drive element is rotatably provided on the material pulling bracket for pulling the finished zipper; a material pressing element is movably provided above the material pulling drive element for pressing the finished zipper against the material pulling drive element to prevent slipping during the pulling process.

[0011] Furthermore, the material pulling driving element comprises a servo motor fixedly arranged on the material pulling bracket; the output end of the servo motor is drivingly connected to a material pulling friction wheel;

[0012] The material pressing element comprises a material pressing driving cylinder fixedly arranged on the top of the material pulling bracket; a material pressing wheel is screwed on the output end of the material pressing driving cylinder.

[0013] Furthermore, the first driving source is a driving motor; the driving motor is mounted on the mounting bracket via a motor mounting seat.

[0014] Furthermore, the two tensioning assemblies are V-shaped and can be swingably arranged on both sides of the mounting bracket; the first driving source can drive one ends of the two tensioning assemblies to move closer to or away from each other.

[0015] Furthermore, the tensioning assembly includes a rotating shaft rotatably arranged on the mounting bracket; a driving gear is fixedly provided on one side of the rotating shaft; the driving gear is meshed and transmitted with the first driving source; a swing arm is detachably connected to the other end of the rotating shaft; and a guide wheel is rotatably provided at the end of the swing arm.

[0016] Compared with the prior art, the utility model has the following beneficial effects: 1) The utility model adjusts and controls the fabric by arranging the material pulling component, the first driving source and the tensioning component on the mounting bracket, so that the entire fabric belt can be optimized automatically when meeting the production requirements of the zipper, and the entire device concentrates multiple functional structures on one device, thereby reducing investment costs and increasing processing efficiency;

[0017] 2) During the production process of the utility model, the first driving source is used to control the tensioning assembly to swing synchronously, so that the tension of the cloth tape can be automatically adjusted 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 the production working time and thus improving production efficiency; the entire design has a simple structure, cost savings, high work efficiency, good product quality, high yield rate, and high equipment utilization rate. 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 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] Please see attached Figure 1 As shown: A belt tensioning device is used for tensioning fabric on a zipper sewing device. The belt tensioning device for zipper sewing equipment comprises: a mounting bracket 1, a material pulling component 2, a first driving source 3 and a tensioning component 4. The mounting bracket 1 is made of square steel welded and fixedly mounted on the zipper sewing device through fasteners, and is used to provide support for the installation of the material pulling component 2, the first driving source 3 and the tensioning component 4; the material pulling component 2 is arranged at the end of the mounting bracket 1, and is used to pull the formed chain forward; the first driving source 3 can be rotatably arranged on the material pulling component 2, and is used to provide tensioning power; at least two tensioning components 4 can be swingably arranged on the mounting bracket 1; the first driving source 3 can drive adjacent tensioning components 4 to swing synchronously. The utility model controls the tensioning assembly to swing synchronously through the first driving source to realize automatic adjustment of the tensioning degree of the cloth tape feeding process, so that the cloth tape is in the best tensioning state during the entire sewing process, effectively ensuring the production quality of sewing, reducing production working time and thus improving production efficiency; the entire design has a simple structure, cost saving and high work efficiency, good product quality, high yield rate, and high equipment utilization rate. The following will describe the mounting bracket 1, the pulling assembly 2, the first driving source 3 and the tensioning assembly 4 in detail.

[0023] Based on the above embodiment, the mounting bracket 1 is arranged in an L shape; the first driving source 3 is arranged at the vertical intersection of the L-shaped mounting bracket 1, and is used to control the distance between adjacent tensioning components 4 to ensure that the cloth belt is always in a tensioned state; the pulling component 2 is arranged vertically along the length direction of the L-shaped mounting bracket 1.

[0024] Based on the above embodiment, the pulling component 2 includes a pulling bracket 21 made by bending a plate; a pulling drive element 22 is rotatably provided on the pulling bracket 21 for pulling the finished zipper; a pressing element 23 is movably provided along the upper edge of the pulling drive element 22 for pressing the finished zipper against the pulling drive element 22 to avoid slipping during the pulling process. Specifically, when the cloth passes through the pulling drive element 22, the cloth tape is squeezed under the action of the pressing element 23 to increase the friction between the pulling drive element 22 to ensure that no slipping occurs.

[0025] Based on the above embodiment, the material pulling drive element 22 includes a servo motor fixedly mounted on the material pulling bracket 21; the output end of the servo motor is connected to the material pulling friction wheel. Of course, in other embodiments, the servo motor can also be other rotating mechanical structures, which is not limited here.

[0026] Based on the above embodiment, the material pressing element 23 includes a material pressing driving cylinder fixedly arranged on the top of the material pulling bracket 21; and a material pressing wheel is screwed on the output end of the material pressing driving cylinder.

[0027] Based on the above embodiment, the first driving source 3 is a driving motor, which is mounted on the mounting bracket 1 through a motor mounting seat. Of course, the first driving source 3 can also be an electric or cylinder type or other rotating mechanical structure, which is not specifically limited here.

[0028] Based on the above embodiment, the two tensioning assemblies 4 are V-shaped and can be swingably arranged on both sides of the mounting bracket 1; the first driving source 3 can drive one end of the two tensioning assemblies 4 to move closer to or away from each other.

[0029] Based on the above embodiment, the tensioning assembly 4 includes a rotating shaft rotatably arranged on the mounting bracket 1; a driving gear is fixedly provided on one side of the rotating shaft; the driving gear is meshed with the first driving source 3 for transmission; the other end of the rotating shaft is detachably connected to a swing arm 41; and a guide wheel is rotatably provided at the end of the swing arm 41.

[0030] The utility model adjusts and controls the fabric by arranging a material pulling component, a first driving source and a tensioning component on a mounting bracket, so that the entire fabric belt can be optimized automatically when meeting the production requirements of the zipper, and the entire device concentrates multiple functional structures on one device, thereby reducing investment costs and increasing processing efficiency.

[0031] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not used to limit the present invention. Any person skilled in the art should be able to use the technical content disclosed above to make equivalent embodiments that are equivalent changes by slight changes or modifications without departing from the scope of the technical solution of the present invention. However, any brief modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A belt tensioning device for a zipper sewing device, characterized in that: include: Mounting bracket (1); A material pulling assembly (2), arranged at the end of the mounting bracket (1), and used for pulling the formed chain forward; A first driving source (3) is rotatably disposed on the material pulling component (2) and is used to provide tensioning power; as well as Tensioning components (4), at least two of the tensioning components (4) are swingably arranged on the mounting bracket (1); the first driving source (3) can drive adjacent tensioning components (4) to swing synchronously.

2. The belt tensioning device for zipper sewing equipment according to claim 1, characterized in that: The mounting bracket (1) is arranged in an L shape; the first driving source (3) is arranged at the vertical intersection of the L-shaped mounting bracket (1); and the material pulling component (2) is arranged vertically along the length direction of the L-shaped mounting bracket (1).

3. The belt tensioning device for zipper sewing equipment according to claim 2, characterized in that: The material pulling assembly (2) comprises a material pulling bracket (21); a material pulling driving element (22) is rotatably provided on the material pulling bracket (21) for pulling the finished zipper; a material pressing element (23) is movably provided above the material pulling driving element (22) for pressing the finished zipper against the material pulling driving element (22) to prevent slipping during the pulling process.

4. The belt tensioning device for zipper sewing equipment according to claim 3, characterized in that: The material pulling drive element (22) comprises a servo motor fixedly mounted on the material pulling bracket (21); the output end of the servo motor is drivingly connected to a material pulling friction wheel; The material pressing element (23) comprises a material pressing driving cylinder fixedly arranged on the top of the material pulling bracket (21); a material pressing wheel is screwed onto the output end of the material pressing driving cylinder.

5. The belt tensioning device for zipper sewing equipment according to claim 2, characterized in that: The first driving source (3) is a driving motor; the driving motor is mounted on the mounting bracket (1) via a motor mounting seat.

6. The belt tensioning device for zipper sewing equipment according to claim 1, characterized in that: The two tensioning assemblies (4) are V-shaped and are swingably arranged on both sides of the mounting bracket (1); the first driving source (3) can drive one end of the two tensioning assemblies (4) to move toward or away from each other.

7. The belt tensioning device for zipper sewing equipment according to claim 6, characterized in that: The tensioning assembly (4) comprises a rotating shaft rotatably arranged on the mounting bracket (1); a driving gear is fixedly provided on one side of the rotating shaft; the driving gear is meshed with the first driving source (3) for transmission; the other end of the rotating shaft is detachably connected to a swing arm (41); and a guide wheel is rotatably provided at the end of the swing arm (41).

Images