Plastic uptake hot press molding device for multi-layer composite material

By improving the structure of the multi-layer composite material thermoforming device, the rapid assembly and disassembly of composite materials and the uniformity of heating were achieved, solving the problems of uneven heating and high energy consumption, and improving processing efficiency and energy efficiency.

CN224089654UActive Publication Date: 2026-04-07WUXI HANSU PACKAGING MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing multi-layer composite material thermoforming equipment suffers from uneven heating and rapid heat loss during processing, leading to increased energy consumption. Furthermore, it cannot quickly disassemble and replace composite materials, affecting processing efficiency.

Method used

A structure including a positioning plate, a composite plate, a pressure plate, a limiting spring, and a limiting top rod was designed to enable rapid replacement of composite materials. A combination of a sealing groove, a sliding table, a heating pump, a heating wire, and a sealing cover was adopted to ensure uniform heating and reduce heat loss, thereby improving heating efficiency.

Benefits of technology

It enables rapid assembly and disassembly of composite materials, improves replacement efficiency, makes the heating process more uniform and reduces energy consumption, shortens heating time, and improves processing efficiency and energy efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic uptake hot press molding device for multilayer composite materials, which relates to the technical field of plastic uptake hot press molding equipment, and comprises a base, a lifting cylinder is mounted at the bottom of the base, a mold is mounted at the top of the lifting cylinder, an air hole is formed in the inner wall of the mold, a hose is mounted at the bottom of the air hole, and the hose is connected with the lifting cylinder. And a vacuum pump is mounted at the bottom of the hose. Through the arrangement of the sealing groove, the sliding table, the heating pump, the heating wire, the sealing cover and the sealing strip, the sealing cover is in threaded connection with the sliding table, at the moment, the sealing cover completely covers the heating wire, then when the sliding table descends, the sealing strip and the sealing groove are connected in an inserted mode and completely sealed, and then the heating wire is heated by starting the heating pump. And due to the arrangement of the sealing cover, heat emitted by the heating wire can be more concentrated, the heat is not prone to loss in a completely-sealed state, the heating and softening efficiency of the surface of the composite board is improved, energy consumption is reduced, and the heating duration is shortened.
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Description

Technical Field

[0001] This utility model relates to the technical field of thermoforming equipment, specifically a thermoforming device for multi-layer composite materials. Background Technology

[0002] In the processing of multi-layer composite materials, thermoforming is an important molding process. However, traditional thermoforming equipment suffers from problems such as incomplete sealing of the heating source, uneven heating, and rapid heat loss when heating and softening multi-layer composite materials. This leads to increased softening time and energy consumption. Furthermore, traditional thermoforming equipment cannot quickly disassemble and reassemble multi-layer composite materials, resulting in a cumbersome replacement process that affects processing efficiency. To solve these problems, a thermoforming device for multi-layer composite materials is needed.

[0003] The existing thermoforming device for multi-layer composite materials has problems such as the inability to quickly disassemble and replace multi-layer composite materials, and the inability to improve the heating and softening efficiency of multi-layer composite materials and reduce energy consumption. Therefore, there is an urgent need for a thermoforming device for multi-layer composite materials. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a thermoforming device for multi-layer composite materials, so as to solve the problems that existing thermoforming devices for multi-layer composite materials cannot quickly disassemble and replace multi-layer composite materials, cannot improve the heating and softening efficiency of multi-layer composite materials, and cannot reduce energy consumption.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a thermoforming device for multi-layer composite materials, comprising a base, a lifting cylinder mounted on the bottom of the base, a mold mounted on the top of the lifting cylinder, an air hole on the inner wall of the mold, a flexible tube mounted on the bottom of the air hole, a vacuum pump mounted on the bottom of the flexible tube, a positioning plate welded to the inner wall of the base, a composite plate mounted on the top of the positioning plate, a pressure plate mounted on the top of the composite plate, a limit spring mounted on the inner wall of the pressure plate, a limit rod mounted on the outer wall of the limit spring, a sealing groove on the top of the pressure plate, a positioning frame mounted on the top of the base, a return spring mounted on the outer wall of the positioning frame, a slide mounted on the outer wall of the positioning frame, a heating pump mounted on the top of the slide, a heating wire mounted on the bottom of the heating pump, a sealing cover mounted on the bottom of the slide, a sealing strip mounted on the bottom of the sealing cover, a rotating shaft mounted on the side wall of the slide, a retaining sleeve mounted on the outer wall of the rotating shaft, and a retaining rod mounted on the outer wall of the base.

[0006] Preferably, the composite plate is tightly fitted to the positioning plate, and the inner wall of the pressure plate has an open design.

[0007] Preferably, the limiting top rod forms a telescopic structure with the pressure plate through a limiting spring, and the limiting top rod is engaged with the base.

[0008] Preferably, the limiting top rod is movably connected to the pressure plate, and the limiting top rod is symmetrically arranged with the central axis of the pressure plate as the center.

[0009] Preferably, the slide table forms a telescopic structure with the positioning frame through a return spring, and the return springs are arranged in a rectangular array with the central axis of the slide table as the center.

[0010] Preferably, the heating pump is electrically connected to the heating wire, and the sealing cover is threadedly connected to the slide table.

[0011] Preferably, the ferrule forms a rotating structure with the slide via a rotating shaft, and the ferrule is engaged with the ferrule rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model uses a positioning plate, a composite plate, a pressure plate, a limiting spring, and a limiting top rod to place the composite plate on top of the positioning plate, then press the limiting top rod inward, and then place the pressure plate on the surface of the composite plate to press it tightly. At this time, the limiting top rod is pushed out by the elastic force of the limiting spring, so that the limiting top rod is engaged and fixed with the base, thereby realizing the rapid replacement of the composite plate and improving processing efficiency.

[0014] 2. This utility model uses a sealing groove, a sliding table, a heating pump, a heating wire, a sealing cover, and a sealing strip. The sealing cover is threadedly connected to the sliding table, so that the sealing cover completely covers the heating wire. Then, when the sliding table descends, the sealing strip is inserted into the sealing groove to completely seal the surface. Then, the heating pump is started to heat the heating wire. The sealing cover makes the heat emitted by the heating wire more concentrated, and the heat is not easily lost in the completely sealed state, which improves the efficiency of heating and softening the surface of the composite board, reduces energy consumption, and shortens the heating time. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the present utility model from the front view;

[0016] Figure 2 This is a schematic diagram of the internal cross-section of the present invention;

[0017] Figure 3 This is a schematic diagram showing the internal cross-section of the pressure plate of this utility model;

[0018] Figure 4 This is a structural schematic diagram showing the components surrounding the sealing cover of this utility model disassembled.

[0019] In the diagram: 1. Base; 2. Lifting cylinder; 3. Mold; 4. Air hole; 5. Hose; 6. Vacuum pump; 7. Positioning plate; 8. Composite plate; 9. Pressure plate; 10. Limiting spring; 11. Limiting rod; 12. Sealing groove; 13. Positioning frame; 14. Return spring; 15. Slide table; 16. Heating pump; 17. Heating wire; 18. Sealing cover; 19. Sealing strip; 20. Rotating shaft; 21. Sleeve; 22. Locking rod. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] The embodiments of this utility model will be described below based on its overall structure.

[0022] Please see Figure 1-4 A thermoforming device for multi-layer composite materials includes a base 1, a lifting cylinder 2 mounted on the bottom of the base 1, a mold 3 mounted on the top of the lifting cylinder 2, air holes 4 opening on the inner wall of the mold 3, a flexible hose 5 mounted on the bottom of the air holes 4, a vacuum pump 6 mounted on the bottom of the flexible hose 5, a positioning plate 7 welded to the inner wall of the base 1, a composite plate 8 mounted on the top of the positioning plate 7, a pressure plate 9 mounted on the top of the composite plate 8, a limit spring 10 mounted on the inner wall of the pressure plate 9, and a limit rod 11 mounted on the outer wall of the limit spring 10. The composite plate 8 and the positioning plate 7 are tightly fitted together. The inner wall of the pressure plate 9 has an open design, and the limit rod 11 passes through... The limiting spring 10 and the pressure plate 9 form a telescopic structure, and the limiting top rod 11 is engaged with the base 1. The limiting top rod 11 is movably connected to the pressure plate 9, and the limiting top rod 11 is symmetrically arranged with the central axis of the pressure plate 9 as the center. Through the positioning plate 7, composite plate 8, pressure plate 9, limiting spring 10 and limiting top rod 11, the composite plate 8 is placed above the positioning plate 7, and then the limiting top rod 11 is pressed inward. Then the pressure plate 9 is placed on the surface of the composite plate 8 and pressed tightly. At this time, the limiting top rod 11 is pushed out by the elastic force of the limiting spring 10, so that the limiting top rod 11 is engaged and fixed with the base 1, thereby realizing the rapid replacement of the composite plate 8 and improving processing efficiency.

[0023] Please see Figure 1-4A thermoforming device for multi-layer composite materials is disclosed. A sealing groove 12 is provided on the top of a pressure plate 9. A positioning frame 13 is mounted on the top of a base 1. A return spring 14 is mounted on the outer wall of the positioning frame 13. A slide 15 is mounted on the outer wall of the positioning frame 13. A heating pump 16 is mounted on the top of the slide 15. A heating wire 17 is mounted on the bottom of the heating pump 16. A sealing cover 18 is mounted on the bottom of the slide 15. A sealing strip 19 is mounted on the bottom of the sealing cover 18. A rotating shaft 20 is mounted on the side wall of the slide 15. A retaining sleeve 21 is mounted on the outer wall of the rotating shaft 20. A retaining rod 22 is mounted on the outer wall of the base 1. The slide 15 and the positioning frame 13 form a telescopic structure via the return spring 14. The return spring 14 is arranged in a rectangular array centered on the central axis of the slide 15. The heating pump 16 and the heating wire... 17 Electrical connection, sealing cover 18 is threadedly connected to slide table 15, ferrule 21 forms a rotating structure with slide table 15 through rotating shaft 20, and ferrule 21 is engaged with ferrule 22. Through the set sealing groove 12, slide table 15, heating pump 16, heating wire 17, sealing cover 18 and sealing strip 19, sealing cover 18 is threadedly connected to slide table 15. At this time, sealing cover 18 completely covers heating wire 17. Then, when slide table 15 descends, sealing strip 19 is inserted into sealing groove 12, completely sealing. Then, heating pump 16 is started to heat heating wire 17. The setting of sealing cover 18 can make the heat emitted by heating wire 17 more concentrated, and in the completely sealed state, heat is not easy to lose, improving the heating and softening efficiency of composite board 8 surface, reducing energy consumption and shortening heating time.

[0024] Working principle: In use, first move the device to the desired position, then place the composite plate 8 above the positioning plate 7, then press the limiting rod 11 inward, and then place the pressure plate 9 on the surface of the composite plate 8 to press it tightly. At this time, the limiting rod 11 is pushed out by the elastic force of the limiting spring 10, so that the limiting rod 11 is engaged and fixed with the base 1, thereby realizing the quick replacement of the composite plate 8. Then, thread the sealing cover 18 to the slide table 15. At this time, the sealing cover 18 completely covers the heating wire 17. Then, when the slide table 15 descends, the sealing strip 19 is inserted into the sealing groove 12, completely sealing the surface. Then, the heating pump 16 is started to heat the heating wire 17, and the sealing cover... The setting of 18 allows the heat emitted by the heating wire 17 to be more concentrated, and in a completely sealed state, heat is not easily lost, improving the efficiency of heating and softening the surface of the composite plate 8, reducing energy consumption, and shortening the heating time. Finally, the lifting cylinder 2 is activated to drive the mold 3 to push upward, hot-pressing the heated and softened composite plate 8. At the same time, the vacuum pump 6 is activated to extract the air between the composite plate 8 and the mold 3 through the air hole 4 and the hose 5, so that the softened composite plate 8 is tightly attached to the mold 3. After cooling and forming, the composite plate 8 is removed. This completes the use of the device. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A thermoforming device for multilayer composite materials, comprising a base (1), characterized in that: A lifting cylinder (2) is installed at the bottom of the base (1), and a mold (3) is installed at the top of the lifting cylinder (2). An air hole (4) is provided on the inner wall of the mold (3). A hose (5) is installed at the bottom of the air hole (4). A vacuum pump (6) is installed at the bottom of the hose (5). A positioning plate (7) is welded to the inner wall of the base (1). A composite plate (8) is installed on the top of the positioning plate (7). A pressure plate (9) is installed on the top of the composite plate (8). A limit spring (10) is installed on the inner wall of the pressure plate (9). A limit rod (11) is installed on the outer wall of the limit spring (10). A sealing groove is provided on the top of the pressure plate (9). (12) A positioning frame (13) is installed on the top of the base (1). A return spring (14) is installed on the outer wall of the positioning frame (13). A slide (15) is installed on the outer wall of the positioning frame (13). A heating pump (16) is installed on the top of the slide (15). A heating wire (17) is installed on the bottom of the heating pump (16). A sealing cover (18) is installed on the bottom of the slide (15). A sealing strip (19) is installed on the bottom of the sealing cover (18). A rotating shaft (20) is installed on the side wall of the slide (15). A retainer (21) is installed on the outer wall of the rotating shaft (20). A retainer rod (22) is installed on the outer side wall of the base (1).

2. The thermoforming apparatus for multilayer composite materials according to claim 1, characterized in that: The composite plate (8) is tightly fitted with the positioning plate (7), and the inner wall of the pressure plate (9) is designed with openings.

3. The thermoforming apparatus for multilayer composite materials according to claim 1, characterized in that: The limiting top rod (11) forms a telescopic structure with the pressure plate (9) through the limiting spring (10), and the limiting top rod (11) is engaged with the base (1).

4. The thermoforming apparatus for multilayer composite materials according to claim 1, characterized in that: The limiting rod (11) is movably connected to the pressure plate (9), and the limiting rod (11) is symmetrically arranged with the central axis of the pressure plate (9) as the center.

5. The thermoforming apparatus for multilayer composite materials according to claim 1, characterized in that: The slide (15) forms a telescopic structure with the positioning frame (13) through the return spring (14), and the return spring (14) is arranged in a rectangular array with the central axis of the slide (15) as the center.

6. The thermoforming apparatus for multilayer composite materials according to claim 1, characterized in that: The heating pump (16) is electrically connected to the heating wire (17), and the sealing cover (18) is threadedly connected to the slide (15).

7. The thermoforming apparatus for multilayer composite materials according to claim 1, characterized in that: The sleeve (21) forms a rotating structure with the slide (15) via the rotating shaft (20), and the sleeve (21) is engaged with the clamp rod (22).