Air nail gun for fixing welt and upper

Abstract

The utility model belongs to the technical field of shoemaking, and particularly discloses an air nailing gun for fixing a welt and an upper, which comprises an air nailing gun body, the air nailing gun body comprises a gun nozzle, and the air nailing gun further comprises a baffle mechanism; the baffle mechanism comprises a connecting part and a baffle fixedly arranged on the connecting part in the vertical direction, the baffle is arranged at an outlet of the gun nozzle, and a clamping seam used for clamping the sewing position of the welt and the upper is formed between the baffle and the gun nozzle. According to the air nail gun, the baffles are additionally arranged on the basis of an existing air nail gun for improvement, the two ends of an air nail can be bent through the baffles, manual operation of workers is replaced, cost can be reduced, efficiency can be improved, and stability of product quality can be improved. The utility model is suitable for fixing the welt and the upper in the production of Goodyear shoes.

Description

Technical Field

[0001] The utility model belongs to the technical field of shoemaking and relates to an air nail gun used for fixing a welt and an upper. Background Art

[0002] One of the processes in the production of Goodyear shoes is to fix the welt to the upper. During this process, the welt needs to be fixed around the contour of the bottom edge of the upper. Currently, the above operation is completed by machine, but the machine operation can only complete most of the process of fixing the welt to the upper, and cannot fix the joints at both ends of the welt to the upper. For this reason, workers need to sew manually.

[0003] Since the stitching area of ​​the welt and the upper is small but the thickness is relatively thick, manual sewing is difficult and labor costs are high, which becomes the bottleneck of the entire production process. It is also time-consuming and labor-intensive, and the product quality is unstable.

[0004] In order to change the above situation, workers adopt Figure 1 The air nail gun shown completes the above operation, but after the air nail gun is used to initially fix the welt and the upper with air nails, the two ends of the air nails need to be manually bent, which is still time-consuming and laborious. Summary of the invention

[0005] The purpose of the utility model is to provide an air nail gun for fixing the welt and the upper. When the welt and the upper are fixed by the air nail, there is no need to manually bend the two ends of the air nail, so as to improve production efficiency and reduce labor costs.

[0006] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0007] An air nail gun for fixing a welt and an upper, comprising an air nail gun body, the air nail gun body comprising a gun nozzle and a baffle mechanism;

[0008] The baffle mechanism comprises a connecting portion and a baffle fixed on the connecting portion in a vertical direction. The baffle is arranged at the outlet of the gun nozzle and forms a clamping seam before the gun nozzle for clamping the stitching of the edge strip and the shoe upper.

[0009] As a limitation, the connecting portion includes an adjusting member for adjusting the size of the clamping gap.

[0010] As a further limitation of the adjusting member, the adjusting member includes a first bottom plate and a first adjusting plate stacked from bottom to top, and the baffle is fixedly arranged at one end of the first adjusting plate;

[0011] A first slide groove is provided on the upper surface of the first base plate, and a second slide groove is provided on the first adjustment plate. The length directions of the first slide groove and the second slide groove are consistent with the nail-out direction of the gun nozzle. A first threaded hole is provided on the bottom surface of the first slide groove. The adjustment member also includes a first bolt matched with the first threaded hole. The first bolt passes through the second slide groove and the first slide groove in sequence and is threadedly connected with the first threaded hole.

[0012] As a second limitation of the adjusting member, the adjusting member includes a second bottom plate and a second adjusting plate sleeved outside the second bottom plate, and the baffle is fixedly arranged at one end of the second adjusting plate;

[0013] A plurality of second threaded holes are provided on the side wall of the second bottom plate along the length direction thereof, and the adjusting member further comprises second bolts matched with the second threaded holes.

[0014] As a third limitation on the adjusting member, the adjusting member includes a third base plate and a third adjusting plate sleeved in the third base plate, the third base plate is hollow and has an opening at one end, one end of the third adjusting plate extends out from the opening at one end of the third base plate and is fixedly connected to the baffle, the inner side wall of the third base plate is provided with a slideway along its own length direction, the third adjusting plate is fixedly provided with a sliding assembly adapted to the slideway, the top surface of the third base plate is provided with a sliding window along its own length direction, and the sliding assembly includes a button protruding outward from the sliding window.

[0015] As the utility model adopts the above technical solution, compared with the prior art, the technical progress achieved is:

[0016] (1) The utility model adds a baffle plate to the existing air nail gun for modification. The baffle plate can be used to bend the two ends of the air nail, replacing the manual work of workers, which can reduce costs and increase efficiency, and improve the stability of product quality;

[0017] (2) The connection portion of the present invention includes an adjusting member for adjusting the size of the clamping gap, so that the present invention can be applied to shoes of different models, thereby increasing the scope of application.

[0018] (3) The utility model provides three types of adjusting parts, which are simple in structure and easy to produce, and can achieve precise adjustment of the gap size, thereby improving the quality of the product.

[0019] The utility model belongs to the technical field of shoemaking, can bend the two ends of an air nail through a baffle, replaces the manual work of workers, can reduce costs and increase efficiency, and improves the stability of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0021] In the attached picture:

[0022] Figure 1 It is a schematic diagram of the structure of the pneumatic nail gun in the prior art of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall structure of Embodiment 1 of the present utility model;

[0024] Figure 3 This is a partial structural diagram of the baffle mechanism in Example 1 of the utility model;

[0025] Figure 4 This is a partial structural diagram of the baffle mechanism in Example 2 of the utility model;

[0026] Figure 5 It is a schematic diagram of the partial structure of the baffle mechanism in Example 3 of the utility model.

[0027] In the figure: 1, gun nozzle, 2, baffle mechanism, 3, baffle, 4, clamping gap, 51, first base plate, 52, first adjustment plate, 53, first slide groove, 54, second slide groove, 55, first bolt, 61, second base plate, 62, second adjustment plate, 63, second threaded hole, 64, second bolt, 71, third base plate, 72, third adjustment plate, 73, sliding window, 74, button. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0029] Example 1 Air nail gun for fixing the welt and the upper

[0030] This embodiment is in Figure 1 The result of modification based on the air nail gun shown.

[0031] like Figure 2 As shown, this embodiment includes an air nail gun body, which includes a gun nozzle 1 and a baffle mechanism 2. The structure of the air nail gun body adopts Figure 1 The structure of the air nail gun shown.

[0032] like Figure 2 and Figure 3 As shown, the baffle mechanism 2 includes a connecting portion and a baffle 3 fixedly arranged on the connecting portion in a vertical direction, the baffle 3 is arranged at the outlet of the gun nozzle 1, and forms a clamping seam 4 for clamping the seam between the welt and the upper before the gun nozzle 1. The connecting portion includes an adjusting member for adjusting the size of the clamping seam 4.

[0033] Specifically, Figure 3As shown, the adjusting member includes a first base plate 51 and a first adjusting plate 52 stacked from bottom to top, and the baffle 3 is fixed to one end of the first adjusting plate 52. A first slide groove 53 is provided on the upper surface of the first base plate 51, and a second slide groove 54 is provided on the first adjusting plate 52. The length direction of the first slide groove 53 and the second slide groove 54 is consistent with the nail-out direction of the gun nozzle 1. A first threaded hole is provided on the bottom surface of the first slide groove 53. The adjusting member also includes a first bolt 55 adapted to the first threaded hole, and the first bolt 55 passes through the second slide groove 54 and the first slide groove 53 in sequence and is threadedly connected to the first threaded hole. The adaptation here means that the first bolt 55 and the first threaded hole can be threadedly connected, and after the two are tightened, the nut of the first bolt 55 just fastens the first adjusting plate 52 to the first base plate 51.

[0034] from Figure 3 It can be seen that the first bottom plate 51 and the first adjustment plate 52 are both long plate-like structures, the first slide groove 53 and the second slide groove 54 of the same width are arranged along the length direction of the two, and the second slide groove 54 penetrates the first adjustment plate 52.

[0035] When in use, first loosen the first bolt 55, then slide the first adjustment plate 52 toward the end where the baffle plate 3 is provided to increase the size of the clamping gap 4; then, place the welt and upper to be processed in the clamping gap 4, adjust the first adjustment plate 52 again to reduce the size of the clamping gap 4 until the size meets the requirements, tighten the first bolt 55 to fix the first adjustment plate 52 on the first bottom plate 51; finally, open the air nail gun body, fire the air nails to complete the operation, and when the two ends of the air nails penetrate the welt and upper in turn, they are blocked by the baffle plate 3 and automatically bend. If more than two air nails need to be fixed, just hold the air nail gun body and move it along the welt and upper. After processing one shoe, remove this embodiment.

[0036] Example 2 Air nail gun for fixing the welt and the upper

[0037] The structure of this embodiment is roughly the same as that of embodiment 1. Figure 1 The invention is obtained by modifying the pneumatic nail gun shown in the figure. The difference is that the specific structure of the adjusting part is different.

[0038] like Figure 4 As shown, in this embodiment, the adjusting member includes a second bottom plate 61 and a second adjusting plate 62 sleeved outside the second bottom plate 61, and the baffle 3 is fixed to one end of the second adjusting plate 62. A plurality of second threaded holes 63 are provided on the side wall of the second bottom plate 61 along its length direction. The adjusting member also includes a second bolt 64 adapted to the second threaded hole 63. Adaptation here means that the external thread of the second bolt 64 matches the internal thread of the second threaded hole 63, and the two can be threadedly connected.

[0039] like Figure 4 As shown, in this embodiment, in order to increase the adjustment accuracy, the second threaded holes 63 are arranged along the length direction of the second bottom plate 61, and the number is large and the arrangement is dense. In addition, the middle part of the bottom surface of the second bottom plate 61 is fixed to the air nail gun body, and the two sides are suspended. The second adjustment plate 62 is hollow, one end is open, and the middle part of the bottom surface is open along the length direction, forming a cavity for the second bottom plate 61 to be sleeved, and the second adjustment plate 62 can slide along the length direction of the second bottom plate 61.

[0040] When in use, first unscrew the second bolt 64, then slide the second adjustment plate 62 toward the end where the baffle plate 3 is provided to increase the size of the clamping gap 4; then, place the welt and upper to be processed in the clamping gap 4, adjust the second adjustment plate 62 again to reduce the size of the clamping gap 4 until the size meets the requirements, tighten the second bolt 64 into the second threaded hole 63 closest to the second adjustment plate 62 to limit the second adjustment plate 62; finally, open the air nail gun body, fire the air nail to complete the operation, and when the two ends of the air nail penetrate the welt and upper in turn, they are blocked by the baffle plate 3 and automatically bend. If more than two air nails need to be fixed, just hold the air nail gun body and move it along the welt and upper. After processing one shoe, remove this embodiment.

[0041] Example 3: Air nail gun for fixing the welt and the upper

[0042] The structure of this embodiment is roughly the same as that of embodiment 1. Figure 1 The invention is obtained by modifying the pneumatic nail gun shown in the figure. The difference is that the specific structure of the adjusting part is different.

[0043] like Figure 5 As shown, in this embodiment, the adjusting member includes a third bottom plate 71 and a third adjusting plate 72 sleeved in the third bottom plate 71. The third bottom plate 71 is hollow and has an opening at one end. One end of the third adjusting plate 72 extends out from the opening at one end of the third bottom plate 71 and is fixedly connected to the baffle 3. A slideway is provided on the inner side wall of the third bottom plate 71 along its length direction. A sliding component adapted to the slideway is fixed on the third adjusting plate 72. A sliding window 73 is provided on the top surface of the third bottom plate 71 along its length direction. The sliding component includes a button 74 protruding outward from the sliding window 73.

[0044] In this embodiment, the structures of the sliding assembly and the slideway are similar to the structure of the utility knife blade adjustment assembly in the prior art, and the operating principles are the same.

[0045] When in use, first press the button 74, slide the third adjustment plate 72 toward the end where the baffle plate 3 is provided to increase the size of the clamping seam 4; then, place the welt and upper to be processed in the clamping seam 4, adjust the third adjustment plate 72 again to reduce the size of the clamping seam 4 until the size meets the requirements, release the button 74 to limit the third adjustment plate 72; finally, open the air nail gun body, fire the air nails to complete the operation, and when the two ends of the air nails penetrate the welt and upper in turn, they are blocked by the baffle plate 3 and automatically bend. If more than two air nails need to be fixed, just hold the air nail gun body and move it along the welt and upper. After processing one shoe, remove this embodiment.

Claims

1. An air nail gun for fixing a welt to an upper, comprising an air nail gun body, the air nail gun body comprising a gun nozzle, characterized in that: Also included is a baffle mechanism; The baffle mechanism comprises a connecting portion and a baffle fixed on the connecting portion in a vertical direction. The baffle is arranged at the outlet of the gun nozzle and forms a clamping seam before the gun nozzle for clamping the stitching of the edge strip and the shoe upper.

2. The pneumatic nail gun for fixing the welt and the upper according to claim 1, characterized in that: The connecting portion includes an adjusting member for adjusting the size of the clamping gap.

3. The pneumatic nail gun for fixing the welt and the upper according to claim 2, characterized in that: The adjusting member comprises a first bottom plate and a first adjusting plate stacked from bottom to top, and the baffle is fixedly arranged at one end of the first adjusting plate; A first slide groove is provided on the upper surface of the first base plate, and a second slide groove is provided on the first adjustment plate. The length directions of the first slide groove and the second slide groove are consistent with the nail-out direction of the gun nozzle. A first threaded hole is provided on the bottom surface of the first slide groove. The adjustment member also includes a first bolt matched with the first threaded hole. The first bolt passes through the second slide groove and the first slide groove in sequence and is threadedly connected with the first threaded hole.

4. The pneumatic nail gun for fixing the welt and the upper according to claim 2, characterized in that: The adjusting member comprises a second bottom plate and a second adjusting plate sleeved outside the second bottom plate, and the baffle is fixedly arranged at one end of the second adjusting plate; A plurality of second threaded holes are provided on the side wall of the second bottom plate along the length direction thereof, and the adjusting member further comprises second bolts matched with the second threaded holes.

5. The pneumatic nail gun for fixing the welt and the upper according to claim 2, characterized in that: The adjusting member includes a third base plate and a third adjusting plate sleeved in the third base plate. The third base plate is hollow and has an opening at one end. One end of the third adjusting plate extends out from the opening at one end of the third base plate and is fixedly connected to the baffle. A slideway is provided on the inner side wall of the third base plate along its length direction. A sliding assembly matched with the slideway is fixed on the third adjusting plate. A sliding window is provided on the top surface of the third base plate along its length direction. The sliding assembly includes a button protruding outward from the sliding window.

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