Leather needle explosion testing machine

Abstract

The utility model discloses a leather explosion needle testing machine, which is characterized in that one end of a movable worktable adjusting screw rod is fixedly connected with a worktable moving handle, the other end of the movable worktable adjusting screw rod is sequentially in threaded connection with a movable worktable and a fixed worktable, and the tops of the movable worktable and the fixed worktable are respectively connected with a lighting magnifier in a sliding manner; a leather positioning column is fixed to the top of the movable workbench, and leather fixing cotton is attached to the outer sleeve of the leather positioning column. A leather limiting column is fixed to the top of the fixed workbench, a rectangular groove is formed in the outer side of the leather limiting column in the generatrix direction in a penetrating mode, leather limiting cotton is attached to the outer side of the leather limiting column in a sleeving mode, and a conical limiting groove is formed in the outer side of the leather limiting cotton in the generatrix direction in a penetrating mode; a graduated scale is arranged on the base. According to the utility model, changes of pinhole shapes and seam pinhole sizes can be detected, bad products can be tested, the cost is saved for companies, bad data can be provided for technical personnel of the companies, and qualified products can be improved conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of leather production, in particular to a leather burst needle testing machine. Background Art

[0002] When leather is cut, compounded, and sewn onto an assembly, the material will be stretched greatly at the sewing corners or seams, and the shape and size of the pinholes in the seams will change accordingly. Therefore, new equipment is needed to detect burst needles. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a leather burst needle testing machine.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a leather burst needle testing machine comprises a base, a fixed workbench is fixedly installed on the base, a movable workbench is slidably connected to the base, one end of the movable workbench adjusting screw is fixedly connected to the workbench moving handle, and the other end is threadedly connected to the movable workbench and the fixed workbench in turn, and the tops of the movable workbench and the fixed workbench are both slidably connected with an illuminated magnifying glass; a leather positioning column is fixed on the top of the movable workbench, and the outer sleeve of the leather positioning column is attached with leather fixing cotton; a leather limiting column is fixed on the top of the fixed workbench, a rectangular groove is opened through the outer side of the leather limiting column along the generatrix direction, leather limiting cotton is attached to the outer sleeve of the leather limiting column, and a conical limiting groove is opened through the outer side of the leather limiting cotton along the generatrix direction; a ruler is provided on the base, and the ruler is located below the workbench moving handle and the movable workbench adjusting screw.

[0005] Furthermore, a workbench moving track is fixedly installed on the base, and a movable workbench is slidably connected to the workbench moving track.

[0006] Furthermore, the tops of the movable workbench and the fixed workbench are both provided with lighting magnifying glass guide rails, a lighting magnifying glass moving platform is slidably connected to the lighting magnifying glass guide rails, and a lighting magnifying glass moving platform is fixed on the lighting magnifying glass moving platform.

[0007] Furthermore, the opening position of the conical limiting groove corresponds to the opening position of the rectangular groove.

[0008] Furthermore, the wide mouth of the conical limiting groove faces outwards.

[0009] The utility model can detect the changes in pinhole morphology and seam pinhole size, test out defective products, save costs for the company, and also provide defect data to the company's technical personnel, so as to facilitate the improvement of qualified products. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the front view of the utility model;

[0011] Figure 2 is the top view of the present utility model;

[0012] Figure 3 is Figure 2 the enlarged view of part A of

[0013] Figure 4 is Figure 2 the enlarged view of part B of

[0014] Wherein: 1. base; 2. workbench moving handle; 3. lighting magnifier moving platform; 4. lighting magnifier; 5. leather positioning post; 6. movable workbench; 7. test piece; 8. lighting magnifier guide rail; 9. scale; 10. conical limit groove; 11. fixed workbench; 12. leather limit post; 13. workbench moving track; 14. movable workbench adjusting screw; 15. leather fixing cotton; 16. leather limit cotton. Specific embodiments

[0015] The following further describes the specific embodiments of the present utility model in conjunction with the attached Figures 1-4 drawings.

[0016] The leather burst needle testing machine includes a base 1, on which a fixed workbench 11 is fixedly installed, a workbench moving track 13 is fixedly installed on the base 1, a movable workbench 6 is slidably connected to the workbench moving track 13, one end of a movable workbench adjusting screw 14 is fixedly connected to a workbench moving handle 2, and the other end is sequentially threadedly connected to the movable workbench 6 and the fixed workbench 11. Lighting magnifier guide rails 8 are provided on the tops of the movable workbench 6 and the fixed workbench 11, a lighting magnifier moving platform 3 is slidably connected to the lighting magnifier guide rails 8, and a lighting magnifier 4 is fixed on the lighting magnifier moving platform 3; a leather positioning post 5 is fixed on the top of the movable workbench 6, and a leather fixing cotton 15 is externally attached to the leather positioning post 5; a leather limit post 12 is fixed on the top of the fixed workbench 11, a rectangular groove is longitudinally opened along the generatrix on the outside of the leather limit post 12, a leather limit cotton 16 is externally attached to the leather limit post 12, a conical limit groove 10 is longitudinally opened along the generatrix on the outside of the leather limit cotton 16, the opening position of the conical limit groove 10 corresponds to the opening position of the rectangular groove, and the wide mouth of the conical limit groove 10 faces outward; a scale 9 is provided on the base 1, and the scale 9 is located below the workbench moving handle 2 and the movable workbench adjusting screw 14.

[0017] The leather burst needle testing machine is used to detect the change of the size of the leather sewing needle hole and detect the tearing condition of the needle hole under the action of a tensile force applied to the test sample.

[0018] Place the test piece 7 between the leather positioning post 5 and the leather limiting post 12. Fix the test piece 7 through the conical limiting groove 10, the leather limiting cotton 16 and the leather fixing cotton 15 to make it fixed and restrict its sliding. Then rotate the workbench moving handle 2 to move the adjusting screw 14 of the moving workbench on the workbench moving guide rail 13 to reach the designated position on the scale 9. Then adjust the front and rear positions of the lighting magnifying glass moving platform 3, and observe the changes in the shape and size of the needle holes at the stitching and the tearing situation of the test piece 7 under the action of external force through the lighting magnifying glass 4.

[0019] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, making equivalent replacements or changes should be covered within the protection scope of the present invention.

Claims

1. Leather burst needle testing machine, characterized in that, The invention comprises a base (1), a fixed workbench (11) is fixedly mounted on the base (1), a movable workbench (6) is slidably connected to the base (1), one end of the movable workbench adjusting screw (14) is fixedly connected to the workbench moving handle (2), and the other end is threadedly connected to the movable workbench (6) and the fixed workbench (11) in sequence, and the tops of the movable workbench (6) and the fixed workbench (11) are both slidably connected to an illuminating magnifying glass (4); a leather positioning column (5) is fixed on the top of the movable workbench (6), and the leather positioning column (5) is fixed to the top of the movable workbench (6). The outer cover of the positioning column (5) is affixed with leather fixing cotton (15); the top of the fixed workbench (11) is fixed with a leather limiting column (12), the outer side of the leather limiting column (12) is provided with a rectangular groove along the generatrix direction, the outer cover of the leather limiting column (12) is affixed with leather limiting cotton (16), the outer side of the leather limiting cotton (16) is provided with a conical limiting groove (10) along the generatrix direction; a scale (9) is provided on the base (1), and the scale (9) is located below the workbench moving handle (2) and the moving workbench adjusting screw (14).

2. The leather burst needle testing machine according to claim 1, characterized in that: A workbench moving track (13) is fixedly mounted on the base (1), and a movable workbench (6) is slidably connected to the workbench moving track (13).

3. The leather burst needle testing machine according to claim 1, characterized in that: The tops of the movable workbench (6) and the fixed workbench (11) are both provided with an illumination magnifying glass guide rail (8), a illumination magnifying glass moving platform (3) is slidably connected to the illumination magnifying glass guide rail (8), and an illumination magnifying glass (4) is fixed to the illumination magnifying glass moving platform (3).

4. The leather burst needle testing machine according to claim 1, characterized in that: The opening position of the conical limiting groove (10) corresponds to the opening position of the rectangular groove.

5. The leather burst needle testing machine according to claim 1, characterized in that: The wide opening of the conical limiting groove (10) faces outwards.

Images