Vamp leather splicing and sewing machine

Abstract

The utility model relates to the technical field of vamp processing, in particular to a vamp leather splicing and sewing machine which comprises a splicing and sewing machine body, a supporting plate, a bearing component, a splicing and sewing head and a positioning component, the positioning component comprises a bearing, a mounting frame is arranged on the outer side of the bearing, an adjusting screw rod is arranged at the outer end of the mounting frame, and the adjusting screw rod is connected with the bearing. A springback component is arranged on the lower side of the adjusting screw rod, an adjusting plate is arranged on the lower side of the springback component, a pressing foot is installed on the inner side of the adjusting plate, the bearing component comprises a die holder, and a sliding opening is formed in the upper side of the die holder. The bearing component rotates on the upper side of the supporting plate, the positioning component rotates on the outer side of the splicing head through the bearing, the splicing angle of vamp leather is adjusted, obstruction to a sewing needle in the twisting process is reduced, the risk that the sewing needle is broken is reduced, the downward pressing height of the presser foot is adjusted through the adjusting screw rod, and the sewing efficiency is improved. And the positioning device can adapt to positioning operation of vamp leathers with different thicknesses.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe upper processing, in particular to a shoe upper leather stitching machine. Background Art

[0002] The stitching machine is mainly suitable for a variety of knitted and woven fabrics, from thin materials to medium-thick materials. The upper is usually made of leather stitching. When the upper is processed, the upper leather stitching machine is used for the stitching operation of the upper leather.

[0003] A Chinese patent discloses a shoe upper stitching machine (authorization announcement number CN220619351U). The patented technology is provided by a die base, a template, a die hole, a positioning groove, a spring, a positioning block and a pull rod. When replacing the die hole, it is only necessary to pull the pull rod to pull the positioning block out of the positioning groove, and then rotate the template to rotate the die hole to be used to the bottom of the stitching head, loosen the pull rod to insert the positioning block into the corresponding positioning groove, position the template, complete the rapid switching of the die hole, and improve work efficiency. However, during the stitching process of the above-mentioned shoe upper stitching machine, the upper leather needs to be twisted to achieve the stitching operation of the curved upper leather surface. The twisting process will hinder the stitching of the sewing needle, which is easy to cause the risk of the sewing needle breaking, which is not conducive to the safety of the stitching machine. The presser foot is fixed to the upper leather by a spring, and the adjustable range of the presser foot height is small, and the adaptation range of the upper leather thickness is small, which is not conducive to the adaptability of the stitching machine. Therefore, those skilled in the art provide a shoe upper leather stitching machine to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0004] The utility model aims to provide a shoe upper leather stitching machine to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A shoe upper leather stitching machine comprises a stitching machine body, a support plate, a bearing member, a stitching head and a positioning member, wherein the support plate is located at a lower end position on one side of the stitching machine body, the bearing member is located at an upper end position of the support plate, the stitching head is located at one end position of the stitching machine body, the positioning member is located at a lower end position of the stitching head, the positioning member comprises a bearing, a mounting frame is provided on the outer side of the bearing, an adjusting screw is provided on the outer end of the mounting frame, a rebound member is provided on the lower side of the adjusting screw, an adjusting plate is provided on the lower side of the rebound member, a presser foot is installed on the inner side of the adjusting plate, the bearing member comprises a mold base, a sliding opening is provided on the upper side of the mold base, and a template is provided inside the sliding opening.

[0007] As a further solution of the utility model: a first slide groove is provided on the upper side of the mold base, a clamping block is installed inside the first slide groove, and a second slide groove is provided on the upper side of the template.

[0008] As a further solution of the utility model: the rebound component includes an outer rod, an inner rod is arranged inside the outer rod, a first spring is arranged on the outside of the inner rod, a limiting plate is arranged on the lower side of the inner rod, a second spring is arranged on the lower side of the limiting plate, an outer hinge is arranged on the lower side of the second spring, and an inner hinge is arranged on the inner side of the outer hinge.

[0009] As a further solution of the utility model: the sliding port rotates at the upper side of the support plate, the positioning member is fixed at the outer side of the seam head through a bearing, and the mounting frame rotates at the outer side of the seam head through a bearing.

[0010] As a further solution of the utility model: the upper end of the adjusting screw rotates to the outer end position of the mounting frame, the lower end of the adjusting screw rotates to the upper side position of the rebound component, the lower end of the rebound component rotates to the upper side position of the adjustment plate, and the template slides to the inner side position of the sliding mouth.

[0011] As a further solution of the present invention: the positions of the first sliding groove and the second sliding groove correspond to each other, and the clamping block slides at the internal position of the first sliding groove and the second sliding groove.

[0012] As a further solution of the utility model: the upper end of the inner rod slides at the inner position of the outer rod, the upper end of the inner hinge rotates at the lower end position of the outer hinge, and the lower side of the inner hinge is fixed to the upper side position of the adjustment plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a shoe upper leather stitching machine, wherein a load-bearing component rotates on the upper side of a support plate, and a positioning component rotates on the outer side of a stitching head through a bearing, so as to adjust the stitching angle of the shoe upper leather, reduce the obstruction of the stitching needle in the twisting process, reduce the risk of the stitching needle breaking, and improve the safety of the stitching machine.

[0015] The pressing height of the presser foot can be adjusted by adjusting the screw rod, so as to adapt to the positioning operation of shoe upper leathers with different thicknesses and improve the adaptability of the stitching machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a structural schematic diagram of a shoe upper leather stitching machine;

[0017] Figure 2 It is a structural schematic diagram of a positioning component in a shoe upper leather stitching machine;

[0018] Figure 3 It is a schematic diagram of the structure of a load-bearing component in a shoe upper leather stitching machine;

[0019] Figure 4 A shoe upper leather stitching machine Figure 3 The structural diagram of part A in the figure;

[0020] Figure 5 The present invention is a schematic diagram of the structure of a rebound component in a shoe upper leather stitching machine.

[0021] In the figure: 1. main body of the stitching machine; 2. supporting plate; 3. bearing member; 4. stitching head; 5. positioning member; 6. bearing; 7. mounting frame; 8. adjusting screw; 9. rebound member; 10. adjusting plate; 11. presser foot; 12. die base; 13. slide; 14. template; 15. first slide groove; 16. block; 17. second slide groove; 18. outer rod; 19. inner rod; 20. first spring; 21. limit plate; 22. second spring; 23. outer hinge; 24. inner hinge. DETAILED DESCRIPTION

[0022] See also Figures 1 to 5In the embodiment of the utility model, a shoe upper leather stitching machine includes a stitching machine body 1, a support plate 2, a bearing member 3, a stitching head 4 and a positioning member 5. The support plate 2 is located at the lower end of one side of the stitching machine body 1, the bearing member 3 is located at the upper end of the support plate 2, the stitching head 4 is located at one end of the stitching machine body 1, and the positioning member 5 is located at the lower end of the stitching head 4. The positioning member 5 includes a bearing 6, and a mounting frame 7 is arranged on the outer side of the bearing 6. The outer end of the mounting frame 7 is provided with an adjusting screw 8, and the adjusting screw A resilient member 9 is provided at the lower side of the support plate 8, an adjusting plate 10 is provided at the lower side of the resilient member 9, a presser foot 11 is installed at the inner side of the adjusting plate 10, the bearing member 3 includes a die base 12, a slide 13 is provided at the upper side of the die base 12, a template 14 is provided inside the slide 13, the slide 13 rotates at the upper side position of the support plate 2, the positioning member 5 is fixed at the outer side position of the seam head 4 through the bearing 6, the mounting frame 7 rotates at the outer side position of the seam head 4 through the bearing 6, the upper end of the adjusting screw 8 rotates at the outer end position of the mounting frame 7, and the adjusting screw 8 rotates at the outer end position of the mounting frame 7. The lower end of the joint screw 8 rotates at the upper position of the rebound member 9, the lower end of the rebound member 9 rotates at the upper position of the adjustment plate 10, and the template 14 slides at the inner position of the slide 13. First, a shoe upper leather stitching machine is placed in the use position, and the height of the presser foot 11 on the upper side of the bearing member 3 is adjusted according to the thickness of the shoe upper leather. During the adjustment process, the upper end of the adjusting screw 8 rotates at the outer end of the mounting frame 7, and the lower end of the adjusting screw 8 rotates on the upper side of the rebound member 9 to adjust the height of the presser foot 11. Then, the shoe upper leather is The leather is placed on the upper side of the die base 12, the lower side of the presser foot 11 is pressed onto the upper side of the upper leather, the seaming portion is located on the upper side of the template 14, and the stitching head 4 is operated to perform the stitching operation. During the stitching process, the load-bearing member 3 rotates on the upper side of the support plate 2, and the positioning member 5 rotates on the outer side of the stitching head 4 through the bearing 6 to adjust the seaming angle of the upper leather. During use, the rebound member 9 adaptively adjusts the rebound height of the presser foot 11. Finally, when the bottom line inside the die base 12 needs to be replaced, the template 14 slides out of the slide 13 to replace the bottom line inside the die base 12.

[0023] exist Figure 3 , 4 Middle: A first slide groove 15 is provided on the upper side of the mold base 12, a block 16 is installed inside the first slide groove 15, a second slide groove 17 is provided on the upper side of the template 14, the positions of the first slide groove 15 and the second slide groove 17 correspond, the block 16 slides at the internal position of the first slide groove 15 and the second slide groove 17, when the bottom line inside the mold base 12 needs to be replaced, the block 16 slides out of the second slide groove 17 and slides into the first slide groove 15, the template 14 slides out of the slide mouth 13, and the bottom line inside the mold base 12 is replaced.

[0024] exist Figure 1 , 2, 5: The rebound component 9 includes an outer rod 18, an inner rod 19 is arranged inside the outer rod 18, a first spring 20 is arranged on the outside of the inner rod 19, a limiting plate 21 is arranged on the lower side of the inner rod 19, a second spring 22 is arranged on the lower side of the limiting plate 21, an outer hinge 23 is arranged on the lower side of the second spring 22, an inner hinge 24 is arranged on the inner side of the outer hinge 23, the upper end of the inner rod 19 slides at the inner position of the outer rod 18, the upper end of the inner hinge 24 rotates at the lower end position of the outer hinge 23, and the lower side of the inner hinge 24 is fixed to the upper side position of the adjustment plate 10. During use, the upper end of the inner rod 19 slides inside the outer rod 18, the first spring 20 expands and contracts, the second spring 22 expands and contracts, the outer hinge 23 rotates on the outer side of the inner hinge 24, and the rebound height of the presser foot 11 is adaptively adjusted.

[0025] The working principle of the utility model is as follows: first, a shoe upper leather stitching machine is placed at a use position, and according to the thickness of the shoe upper leather, the height of the presser foot 11 on the upper side of the bearing member 3 is adjusted. During the adjustment process, the upper end of the adjusting screw 8 rotates on the outer end of the mounting frame 7, and the lower end of the adjusting screw 8 rotates on the upper side of the rebound member 9 to adjust the height of the presser foot 11. Then, the shoe upper leather is placed on the upper side of the mold base 12, and the lower side of the presser foot 11 is pressed to the upper side of the shoe upper leather. The stitching position is located on the upper side of the template 14, and the stitching head 4 is operated to perform the stitching operation. During the stitching process, the bearing member 3 is moved downward. Component 3 rotates on the upper side of the support plate 2, and the positioning component 5 rotates on the outside of the seam head 4 through the bearing 6 to adjust the seam angle of the upper leather. During use, the upper end of the inner rod 19 slides inside the outer rod 18, the first spring 20 expands and contracts, the second spring 22 expands and contracts, and the outer hinge 23 rotates on the outside of the inner hinge 24 to adaptively adjust the rebound height of the presser foot 11. Finally, when the bottom line inside the mold base 12 needs to be replaced, the block 16 slides out of the second slide groove 17 and slides into the first slide groove 15, the template 14 slides out of the slide mouth 13, and the bottom line inside the mold base 12 is replaced.

[0026] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shoe upper leather stitching machine, comprising a stitching machine body (1), a support plate (2), a bearing member (3), a stitching head (4) and a positioning member (5), wherein the support plate (2) is located at a lower end position on one side of the stitching machine body (1), the bearing member (3) is located at an upper end position of the support plate (2), the stitching head (4) is located at one end position of the stitching machine body (1), and the positioning member (5) is located at a lower end position of the stitching head (4), characterized in that: The positioning member (5) comprises a bearing (6), a mounting frame (7) is arranged on the outer side of the bearing (6), an adjusting screw (8) is arranged on the outer end of the mounting frame (7), a rebound member (9) is arranged on the lower side of the adjusting screw (8), an adjusting plate (10) is arranged on the lower side of the rebound member (9), a presser foot (11) is installed on the inner side of the adjusting plate (10), and the bearing member (3) comprises a die base (12), a sliding opening (13) is opened on the upper side of the die base (12), and a template (14) is arranged inside the sliding opening (13).

2. The upper leather stitching machine according to claim 1, characterized in that: A first slide groove (15) is provided on the upper side of the mold base (12), a clamping block (16) is installed inside the first slide groove (15), and a second slide groove (17) is provided on the upper side of the template (14).

3. The upper leather stitching machine according to claim 1, characterized in that: The resilient member (9) comprises an outer rod (18), an inner rod (19) is arranged inside the outer rod (18), a first spring (20) is arranged outside the inner rod (19), a limit plate (21) is arranged below the inner rod (19), a second spring (22) is arranged below the limit plate (21), an outer hinge (23) is arranged below the second spring (22), and an inner hinge (24) is arranged inside the outer hinge (23).

4. The upper leather stitching machine according to claim 1, characterized in that: The sliding opening (13) rotates at an upper position of the support plate (2), the positioning member (5) is fixed at an outer position of the seam head (4) via a bearing (6), and the mounting frame (7) rotates at an outer position of the seam head (4) via the bearing (6).

5. The upper leather stitching machine according to claim 1, characterized in that: The upper end of the adjusting screw (8) rotates at the outer end position of the mounting frame (7), the lower end of the adjusting screw (8) rotates at the upper side position of the resilient member (9), the lower end of the resilient member (9) rotates at the upper side position of the adjusting plate (10), and the template (14) slides at the inner side position of the sliding opening (13).

6. The upper leather stitching machine according to claim 2, characterized in that: The positions of the first sliding groove (15) and the second sliding groove (17) correspond to each other, and the clamping block (16) slides at the inner positions of the first sliding groove (15) and the second sliding groove (17).

7. The upper leather stitching machine according to claim 3, characterized in that: The upper end of the inner rod (19) slides at an inner position of the outer rod (18), the upper end of the inner hinge (24) rotates at a lower end position of the outer hinge (23), and the lower side of the inner hinge (24) is fixed at an upper side position of the adjustment plate (10).

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