A cutting machine for shoe upper processing

Abstract

The utility model relates to the technical field of cutting machine provides a cutting machine for vamp processing, solves the problem that the existing cutting machine leads to low vamp qualified rate due to design defect. The utility model discloses the frame, the first discharge roller group and second discharge roller group are equipped with interval on the frame, one end of frame is equipped with the discharge mechanism and cloth roll, cloth roll is arranged on the discharge mechanism, the cutting component for cutting cloth into the vamp shape and the buffer component for adjusting the surface tension of cloth are equipped between the first discharge roller group and second discharge roller group, the buffer component includes floating roller, rodless cylinder and pressure regulating valve, the floating roller both ends are provided with rodless cylinder, and the pressure regulating valve is connected with rodless cylinder, through the cooperation of floating roller, rodless cylinder and pressure regulating valve, the tension mutation of cutting instant is compensated, solves the elastic cloth tensile deformation, improves cutting profile precision, and then improves the vamp qualified rate.

Description

Technical Field

[0001] This utility model relates to the field of cutting machine technology, specifically to a cutting machine for shoe upper processing. Background Technology

[0002] Chinese Patent Publication No. CN215440509U discloses a leather cutting machine for shoe upper production, including a base plate for mounting various equipment. The upper surface of the base plate is provided with a limiting mechanism, which includes a first clamping platform fixed to the upper surface of the base plate, a lower pressure roller mounted on the inner side of the first clamping platform, a threaded rod disposed on the top wall of the first clamping platform, an upper pressure roller mounted on the lower surface of the threaded rod, and a knob fixed to the upper surface of the threaded rod. An equipment assembly is fixedly mounted on the upper surface of the base plate. The equipment assembly includes a cutting worktable. The outer surface of the cutting worktable is provided with a feeding mechanism, which includes a movable feeding frame movably mounted on the cutting worktable, an auxiliary locking frame disposed on the outer wall of the movable feeding frame, a rotating frame rotatably mounted on the outer wall of the cutting worktable, and a threaded telescopic rod mounted on the rotating frame.

[0003] This utility model, through the cooperation of the first clamping table, the second clamping table and the power box, transports the leather material to the cutting workbench for cutting processing. However, it lacks a dynamic compensation mechanism for the instantaneous tension fluctuations in the cutting area, resulting in a low pass rate for the processed shoe uppers. Summary of the Invention

[0004] Therefore, in view of the above problems, this utility model provides a cutting machine for shoe upper processing, which solves the problem of low shoe upper qualification rate caused by design defects in existing cutting machines.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A cutting machine for shoe upper processing includes a frame with a first discharge roller group and a second discharge roller group spaced apart on the frame. A discharge mechanism and a fabric roll are provided at one end of the frame. The fabric roll is mounted on the discharge mechanism, and its end passes sequentially through the first and second discharge roller groups. A cutting component for cutting the fabric into the shape of a shoe upper and a buffer component for adjusting the surface tension of the fabric are provided between the first and second discharge roller groups. The buffer component includes a floating roller, a rodless cylinder, and a pressure regulating valve. Rodless cylinders are provided at both ends of the floating roller, and the pressure regulating valve is connected to the rodless cylinders.

[0006] Furthermore, the discharge mechanism includes a support rod and a lifting cylinder disposed on both sides of the fabric roll. The lifting cylinder is disposed above the support rod. One end of the lifting cylinder and the support rod are rotatably connected to the frame, and the other end of the lifting cylinder is rotatably connected to the other end of the support rod.

[0007] Furthermore, a finished product collection frame is provided at the other end of the frame.

[0008] Furthermore, the first discharge roller group and the second discharge roller group are provided with spacing adjustment components on both sides. The spacing adjustment components include a U-shaped frame, a sealing plate with an opening at the top of the U-shaped frame, an adjustment block slidably disposed in the U-shaped frame, and a lead screw passing through the sealing plate and connected to the top of the adjustment block.

[0009] Furthermore, the cutting component includes a cutting platform, a punching die disposed above the cutting platform, and a drive cylinder that drives the punching die to cut.

[0010] Furthermore, the blanking die includes a blanking blade frame and a plurality of ejection springs disposed within the blanking blade frame.

[0011] Furthermore, the height of the first discharge roller group is greater than that of the second discharge roller group.

[0012] Furthermore, the frame is also provided with a guide roller assembly, which is located below the first discharge roller assembly.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model uses the combination of floating rollers, rodless cylinders and pressure regulating valves to compensate for the sudden change in tension during cutting, solve the problem of stretching deformation of elastic fabric, improve the cutting contour accuracy, and thus improve the pass rate of shoe uppers.

[0014] 2. This utility model, through the cooperation of the lifting cylinder and the support rod, allows the feeding trolley to be moved directly between the two support rods when changing fabric rolls, and the lifting cylinder drives the roll to be wound up, eliminating the need for manual handling and resulting in high roll changing efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model; Figure 2 This is a schematic diagram of the discharge spring structure in an embodiment of the present invention; Figure 3 This is a cross-sectional structural diagram of the rodless cylinder according to an embodiment of the present invention.

[0016] Explanation of icon numbers: Frame 1; First discharge roller group 11; Second discharge roller group 12; Finished product collection frame 13; Guide roller group 14; Discharge mechanism 2; support rod 21; lifting cylinder 22; Fabric roll 3; Cutting component 4; cutting platform 41; punching die 42; punching blade frame 421; discharge spring 422; drive cylinder 43; Buffer component 5; floating roller 51; rodless cylinder 52; housing 521; piston 522; push rod 523; pressure regulating valve 53; 6 feeding trolleys; 61 fabric rolls; Spacing adjustment component 7; U-shaped frame 71; sealing plate 72; adjusting block 73; lead screw 74. Detailed Implementation

[0017] The following will describe the implementation of this utility model in detail with reference to specific embodiments, so that the process of how this utility model uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. Example

[0018] like Figures 1 to 3 As shown, a cutting machine for shoe upper processing includes a frame 1. A first discharge roller group 11 and a second discharge roller group 12 are spaced apart on the frame 1. A discharge mechanism 2 and a fabric roll 3 are provided at one end of the frame 1, and a finished product collection frame 13 is provided at the other end of the frame 1. The fabric roll 3 is mounted on the discharge mechanism 2. The end of the fabric roll 3 passes through the first discharge roller group 11 and the second discharge roller group 12 in sequence. A cutting component 4 for cutting the fabric into the shape of a shoe upper and a buffer component 5 for adjusting the surface tension of the fabric are provided between the first discharge roller group 11 and the second discharge roller group 12. The buffer component 5 includes a floating roller 51, a rodless cylinder 52 and a pressure regulating valve 53. The rodless cylinder 52 is provided at both ends of the floating roller 51, and the pressure regulating valve 53 is connected to the rodless cylinder 52.

[0019] The pressure regulating valve 53 can be purchased on the market and will not be described in detail here.

[0020] The rodless cylinder 52 includes a housing 521, a piston 522 and a push rod 523. The piston 522 is located inside the housing 521. One end of the push rod 523 is connected to the piston 522 and the other end is connected to the floating roller 51.

[0021] By cooperating with the floating roller 51, the rodless cylinder 52 and the pressure regulating valve 53, the sudden change in tension at the moment of cutting is compensated, the stretching deformation of the elastic fabric is solved, the cutting contour accuracy is improved, and the pass rate of the shoe upper is increased.

[0022] The discharge mechanism 2 includes a support rod 21 and a lifting cylinder 22 located on both sides of the fabric roll. The lifting cylinder 22 is located above the support rod 21. One end of the lifting cylinder 22 and the support rod 21 are rotatably connected to the frame 1, and the other end of the lifting cylinder 22 is rotatably connected to the other end of the support rod 21.

[0023] A feeding trolley 6 is provided on one side of the frame 1. A fabric roll 61 to be replaced is set on the feeding trolley 6. The height of the fabric roll 61 to be replaced is higher than the height of the fabric roll 3. By cooperating with the lifting cylinder 22 and the support rod 21, when replacing the fabric roll, the feeding trolley 6 is directly moved between the two support rods 21 and driven by the lifting cylinder 22 to roll up. No manual handling is required, and the roll replacement efficiency is high.

[0024] The first discharge roller group 11 and the second discharge roller group 12 are provided with spacing adjustment components 7 on both sides. The spacing adjustment component 7 includes a U-shaped frame 71, a sealing plate 72 with an opening at the top of the U-shaped frame 71, an adjustment block 73 slidably disposed in the U-shaped frame 71, and a screw 74 passing through the sealing plate 72 and connected to the top of the adjustment block 73. The cooperation of the U-shaped frame 71 and the screw 74 adjustment structure increases the range of fabric thickness that the equipment can accommodate, and improves its applicability.

[0025] The cutting component 4 includes a cutting platform 41, a punching die 42 disposed above the cutting platform 41, and a drive cylinder 43 that drives the punching die 42 to cut; the punching die 42 includes a punching frame 421 and a plurality of discharge springs 422 disposed in the punching frame 421, the discharge springs 422 are used to lift the cutting slice instantly after punching to avoid the punching frame 421 from being blocked.

[0026] The height of the first discharge roller group 11 is greater than that of the second discharge roller group 12; the frame 1 is also provided with a guide roller group 14, which is located below the first discharge roller group 11; the height difference between the first discharge roller group 11 and the second discharge roller group 12 is used to form the self-weight tension of the fabric, eliminate the inherent bending stress of the roll material, and improve the cutting flatness.

[0027] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A cutting machine for shoe upper processing, comprising a frame, characterized in that: The frame is provided with a first discharge roller group and a second discharge roller group at intervals. One end of the frame is provided with a discharge mechanism and a fabric roll. The fabric roll is mounted on the discharge mechanism. The end of the fabric roll passes through the first discharge roller group and the second discharge roller group in sequence. Between the first discharge roller group and the second discharge roller group, there is a cutting component for cutting the fabric into the shape of a shoe upper and a buffer component for adjusting the surface tension of the fabric. The buffer component includes a floating roller, a rodless cylinder and a pressure regulating valve. The floating roller is provided with rodless cylinders at both ends, and the pressure regulating valve is connected to the rodless cylinder.

2. The cutting machine for shoe upper processing according to claim 1, characterized in that: The discharge mechanism includes a support rod and a lifting cylinder located on both sides of the fabric roll. The lifting cylinder is located above the support rod. One end of the lifting cylinder and the support rod are rotatably connected to the frame, and the other end of the lifting cylinder is rotatably connected to the other end of the support rod.

3. A cutting machine for shoe upper processing according to claim 1, characterized in that: The other end of the frame is equipped with a finished product collection box.

4. A cutting machine for shoe upper processing according to claim 1, characterized in that: The first discharge roller group and the second discharge roller group are provided with spacing adjustment components on both sides. The spacing adjustment components include a U-shaped frame, a sealing plate with an opening at the top of the U-shaped frame, an adjustment block that is slidably disposed in the U-shaped frame, and a lead screw that passes through the sealing plate and is connected to the top of the adjustment block.

5. A cutting machine for shoe upper processing according to claim 1, characterized in that: The cutting component includes a cutting platform, a punching die disposed above the cutting platform, and a drive cylinder that drives the punching die to cut.

6. A cutting machine for shoe upper processing according to claim 5, characterized in that: The punching die includes a punching blade frame and several ejection springs disposed within the punching blade frame.

7. A cutting machine for shoe upper processing according to claim 1, characterized in that: The height of the first discharge roller group is greater than that of the second discharge roller group.

8. A cutting machine for shoe upper processing according to claim 7, characterized in that: The frame is also equipped with a guide roller assembly, which is located below the first discharge roller assembly.

Images