Vacuum negative-pressure vamp thermal forming device

Abstract

The utility model provides a vacuum negative pressure vamp thermoforming device, including thermoforming mechanism and vacuum plastic uptake mechanism, thermoforming mechanism includes main frame and heating component, the heating component is installed at the top of main frame inner wall, there are provided two sets of vacuum plastic uptake mechanism, and the two sets of vacuum plastic uptake mechanism are oppositely arranged on the thermoforming mechanism both sides, and the heating component is installed on the heating component. Comprising a connecting rack, a moving assembly, a fixed container and a vacuum pump, a to-be-processed vamp is placed in the fixed container, air in the fixed container is pumped out through the vacuum pump, then the fixed container is moved to the position under the heating assembly through the moving assembly, the drying oven is driven by the lifting air cylinder to move downwards, and thermal forming treatment is conducted on the to-be-processed vamp in the fixed container. And after the to-be-processed vamps in one group of vacuum plastic uptake mechanisms are subjected to thermal forming treatment, the fixed containers of the other group of vacuum plastic uptake mechanisms quickly move to the position under the heating assembly, so that the thermal forming treatment is alternately realized, the utilization rate of the drying oven is improved, and meanwhile, the thermal forming efficiency of the vamps is improved.

Description

Technical Field

[0001] The utility model relates to the field of shoe upper thermoforming, in particular to a vacuum negative pressure shoe upper thermoforming device. Background Art

[0002] In recent years, with the advancement of textile technology, the demand for seamless stitching technology has gradually emerged. Among these technologies, shaping the upper by hot pressing is a commonly used method. The hot press machine in the existing technology generally includes a hot pressing plate and a working plate. During operation, the mold and the upper to be processed are placed on the working plate, and then the working plate is moved under the hot pressing plate. The hot pressing plate is pressed down to the upper on the working plate to perform hot pressing shaping. After completion, the thermoplastic upper can be taken out;

[0003] The Chinese utility model patent with announcement number CN210248646U discloses a vacuum blister hot pressing forming device for shoe uppers. The invention can evacuate the shoe uppers to be processed before hot forming, thereby improving the efficiency of hot forming. However, in the invention, the shoe uppers heated in the oven need to be taken out from the working plate and rearranged before they can be sent to the oven for heat treatment. During the period of taking out the shoe uppers and rearranging the materials, the oven needs to be kept at a high temperature, which causes a certain amount of energy waste. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to solve the above problems in the prior art, the utility model provides a vacuum negative pressure shoe upper thermoforming device.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0008] A vacuum negative pressure shoe upper thermoforming device, comprising a thermoforming mechanism and a vacuum forming mechanism;

[0009] The thermoforming mechanism comprises a main frame and a heating assembly, wherein the heating assembly is mounted on the top of the inner wall of the main frame;

[0010] The vacuum forming mechanism is provided with two groups, which are arranged oppositely on both sides of the thermoforming mechanism;

[0011] It includes connecting frames, moving components, fixed containers and vacuum pumps;

[0012] The moving assembly is arranged on the connecting frame;

[0013] The fixed container is connected to the moving end of the moving component, and the moving component moves the fixed container to directly below the heating component;

[0014] The vacuum pump is installed in the connecting frame and connected to the fixed container through a pipeline, so as to evacuate the interior of the fixed container.

[0015] Preferably, the heating assembly includes a lifting cylinder and an oven, the lifting cylinder is installed on the top of the inner wall of the main frame, and the oven is connected to the piston rod of the lifting cylinder.

[0016] Preferably, the fixed container comprises a working plate, a cover plate, a control rod and a control cylinder;

[0017] One side of the cover plate is connected to the working plate via a hinge, and a silicone film is arranged on the bottom of the cover plate;

[0018] The material processing space is formed between the working plate and the cover plate;

[0019] The control rod is vertically mounted on the rear of the cover plate;

[0020] The control cylinder is installed at the bottom of the working plate, and the piston rod of the control cylinder is rotatably connected to the control rod.

[0021] Preferably, an electric heating tube is provided in the working plate.

[0022] Preferably, the moving assembly includes a guide rod, a moving cylinder and a slider;

[0023] The guide rods are provided with two and are arranged in parallel on the connecting frame, and at least one slider is slidably mounted on each guide rod, the surface of the slider is fixedly connected to the fixed container, and the piston rod of the moving cylinder is connected to the bottom of the fixed container for driving the fixed container to move axially along the guide rod.

[0024] Preferably, the sliding block includes a fixing plate, a roller and a limiting plate;

[0025] The bottom of the limiting plate is provided with a notch corresponding to the guide rod;

[0026] The fixing plates are provided with two pieces, which are arranged on the surface of the limiting plate in a bilaterally symmetrical manner;

[0027] The roller is mounted on the fixing plate and is in rolling connection with the surface of the guide rod.

[0028] Preferably, the moving components of the two groups of vacuum forming mechanisms share the same group of guide rods.

[0029] Preferably, the vacuum forming mechanism is detachably mounted on the thermoforming mechanism.

[0030] Preferably, the thermoforming mechanism further comprises an air cooling assembly, and two of the air cooling assemblies are provided and are arranged relatively on two sides of the top of the main frame.

[0031] (III) Beneficial effects

[0032] The beneficial effect of the utility model is that: by adopting the above technical scheme, the upper to be processed is placed in a fixed container, and after the vacuum pump extracts the air in the fixed container, the fixed container is moved to the bottom of the heating component by the moving component, and the lifting cylinder drives the oven downward to perform thermoforming on the upper to be processed in the fixed container. After the upper to be processed in one group of vacuum forming mechanisms is thermoformed, the fixed container of the other group of vacuum forming mechanisms is quickly moved to the bottom of the heating component, and the thermoforming treatment is alternately performed, thereby improving the utilization rate of the oven and the thermoforming efficiency of the upper. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A schematic diagram of the structure of a vacuum negative pressure shoe upper thermoforming device Figure 1 ;

[0034] Figure 2 A schematic diagram of the structure of a vacuum negative pressure shoe upper thermoforming device Figure 2 ;

[0035] Figure 3 It is a schematic diagram of the structure of a fixed container;

[0036] Figure 4 A schematic diagram of the structure of the slider.

[0037] Description of reference numerals:

[0038] 1. Thermoforming mechanism;

[0039] 11. Main frame; 12. Lifting cylinder; 13. Oven; 14. Air cooling assembly;

[0040] 2. Vacuum blister mechanism;

[0041] 21. Connecting frame; 22. Moving assembly; 221. Moving cylinder; 222. Sliding block; 2221. Limiting plate; 2222. Fixed plate; 2223. Roller; 223. Guide rod; 23. Vacuum pump; 24. Fixed container; 241. Working plate; 242. Cover plate; 243. Control rod; 244. Control cylinder. DETAILED DESCRIPTION

[0042] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation modes in conjunction with the accompanying drawings.

[0043] Please refer to Figures 1 to 4The utility model provides a vacuum negative pressure shoe upper thermoforming device, comprising a thermoforming mechanism 1 and a vacuum blister mechanism 2;

[0044] The thermoforming mechanism 1 comprises a main frame 11 and a heating assembly, wherein the heating assembly is mounted on the top of the inner wall of the main frame 11;

[0045] The vacuum forming mechanism 2 is provided with two groups, which are arranged on both sides of the thermoforming mechanism 1 oppositely;

[0046] It includes a connecting frame 21, a moving assembly 22, a fixed container 24 and a vacuum pump 23;

[0047] The moving assembly 22 is arranged on the connecting frame 21;

[0048] The fixed container 24 is connected to the moving end of the moving component 22, and the moving component 22 moves the fixed container 24 to just below the heating component;

[0049] The vacuum pump 23 is installed in the connecting frame 21 and connected to the fixed container 24 through a pipeline, and is used to evacuate the interior of the fixed container 24;

[0050] The heating assembly includes a lifting cylinder 12 and an oven 13. The lifting cylinder 12 is mounted on the top of the inner wall of the main frame 11, and the oven 13 is connected to the piston rod of the lifting cylinder 12.

[0051] When in use, the upper to be processed is placed in the fixed container 24. After the vacuum pump 23 extracts the air in the fixed container 24, the fixed container 24 is moved to the bottom of the heating component through the moving component 22. The lifting cylinder 12 drives the oven 13 downward to perform thermoforming on the upper to be processed in the fixed container 24. After the upper to be processed in one group of vacuum forming mechanisms 2 is thermoformed, the fixed container 24 of the other group of vacuum forming mechanisms 2 is quickly moved to the bottom of the heating component, and the thermoforming is performed alternately, thereby improving the utilization rate of the oven 13 and the thermoforming efficiency of the upper.

[0052] In this embodiment, the fixed container 24 includes a working plate 241, a cover plate 242, a control rod 243 and a control cylinder 244;

[0053] One side of the cover plate 242 is connected to the working plate 241 via a hinge, and a silicone film is arranged on the bottom of the cover plate 242;

[0054] The material processing space is formed between the working plate 241 and the cover plate 242;

[0055] The control rod 243 is vertically arranged at the rear of the cover plate 242;

[0056] The control cylinder 244 is installed at the bottom of the working plate 241, and the piston rod of the control cylinder 244 is rotatably connected to the control rod 243;

[0057] When in use, the control cylinder 244 drives the control rod 243 to swing, thereby controlling the opening and closing of the cover plate 242 to realize the automation of the opening and closing of the fixed container 24; an electric heating tube is provided in the working plate 241 for heating the bottom of the upper to improve the efficiency of hot pressing of the upper.

[0058] In this embodiment, the moving assembly 22 includes a guide rod 223, a moving cylinder 221 and a slider 222;

[0059] There are two guide rods 223, which are arranged in parallel on the connecting frame 21, and at least one slider 222 is slidably installed on each guide rod 223. The surface of the slider 222 is fixedly connected to the fixed container 24. The piston rod of the mobile cylinder 221 is connected to the bottom of the fixed container 24, which is used to drive the fixed container 24 to move axially along the guide rod 223. When in use, the fixed container 24 is driven to move by the mobile cylinder 221, and the fixed container 24 slides on the guide rod 223 through the slider 222.

[0060] In this embodiment, the slider 222 includes a fixing plate 2222, a roller 2223 and a limiting plate 2221;

[0061] A notch corresponding to the guide rod 223 is formed at the bottom of the limiting plate 2221;

[0062] There are two fixing plates 2222, which are symmetrically arranged on the surface of the limiting plate 2221;

[0063] The rollers 2223 are mounted on the fixed plate 2222 and are rollingly connected to the surface of the guide rod 223 ; the two groups of rollers 2223 can roll better on the guide rod 223 , and the setting of the limit plate 2221 can avoid the problem of derailment.

[0064] In this embodiment, the moving components 22 of the two groups of vacuum forming mechanisms 2 share the same group of guide rods 223, and the vacuum forming mechanisms 2 can be detachably installed on the thermoforming mechanism 1. It should be noted that the two groups of vacuum forming mechanisms 2 can be detachably connected to the thermoforming mechanism 1, so that the present application can be transported and installed separately.

[0065] In this embodiment, the thermoforming mechanism 1 further includes an air cooling assembly 14 , and two air cooling assemblies 14 are provided, which are relatively arranged on both sides of the top of the main frame 11 .

[0066] The working principle of the utility model is as follows:

[0067] The upper to be processed is placed in a fixed container 24. After the vacuum pump 23 extracts the air in the fixed container 24, the fixed container 24 is moved to the bottom of the heating component by the moving component 22. The lifting cylinder 12 drives the oven 13 downward to perform thermoforming on the upper to be processed in the fixed container 24. After the upper to be processed in one group of vacuum forming mechanisms 2 is thermoformed, the fixed container 24 of the other group of vacuum forming mechanisms 2 is quickly moved to the bottom of the heating component, and the thermoforming is performed alternately, thereby improving the utilization rate of the oven 13 and the thermoforming efficiency of the upper.

[0068] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this utility model does not involve improvements to software and methods.

[0069] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

[0070] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vacuum negative pressure upper thermoforming device, characterized in that: Including thermoforming mechanism and vacuum forming mechanism; The thermoforming mechanism comprises a main frame and a heating assembly, wherein the heating assembly is mounted on the top of the inner wall of the main frame; The vacuum forming mechanism is provided with two groups, which are arranged oppositely on both sides of the thermoforming mechanism; It includes connecting frames, moving components, fixed containers and vacuum pumps; The moving assembly is arranged on the connecting frame; The fixed container is connected to the moving end of the moving component, and the moving component moves the fixed container to directly below the heating component; The vacuum pump is installed in the connecting frame and connected to the fixed container through a pipeline, so as to evacuate the interior of the fixed container.

2. The vacuum negative pressure shoe upper thermoforming device according to claim 1, characterized in that: The heating component comprises a lifting cylinder and an oven. The lifting cylinder is mounted on the top of the inner wall of the main frame, and the oven is connected to the piston rod of the lifting cylinder.

3. The vacuum negative pressure shoe upper thermoforming device according to claim 1, characterized in that: The fixed container includes a working plate, a cover plate, a control rod and a control cylinder; One side of the cover plate is connected to the working plate via a hinge, and a silicone film is arranged on the bottom of the cover plate; The material processing space is formed between the working plate and the cover plate; The control rod is vertically mounted on the rear of the cover plate; The control cylinder is installed at the bottom of the working plate, and the piston rod of the control cylinder is rotatably connected to the control rod.

4. The vacuum negative pressure shoe upper thermoforming device according to claim 3, characterized in that: An electric heating tube is arranged inside the working plate.

5. The vacuum negative pressure shoe upper thermoforming device according to claim 1, characterized in that: The moving assembly includes a guide rod, a moving cylinder and a slider; The guide rods are provided with two and are arranged in parallel on the connecting frame, and at least one slider is slidably mounted on each guide rod, the surface of the slider is fixedly connected to the fixed container, and the piston rod of the moving cylinder is connected to the bottom of the fixed container for driving the fixed container to move axially along the guide rod.

6. The vacuum negative pressure shoe upper thermoforming device according to claim 5, characterized in that: The sliding block includes a fixing plate, a roller and a limiting plate; The bottom of the limiting plate is provided with a notch corresponding to the guide rod; The fixing plates are provided with two pieces, which are arranged on the surface of the limiting plate in a bilaterally symmetrical manner; The roller is mounted on the fixing plate and is in rolling connection with the surface of the guide rod.

7. The vacuum negative pressure shoe upper thermoforming device according to claim 5, characterized in that: The moving components of the two groups of vacuum forming mechanisms share the same group of guide rods.

8. The vacuum negative pressure shoe upper thermoforming device according to claim 1, characterized in that: The vacuum forming mechanism is detachably mounted on the thermoforming mechanism.

9. The vacuum negative pressure shoe upper thermoforming device according to claim 1, characterized in that: The thermoforming mechanism further comprises an air cooling assembly, and two air cooling assemblies are provided and are arranged oppositely at two sides of the top of the main frame.

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