Adjustable pressing device for plastic plate forming

By combining the design of the limiting seat and the threaded column, the inconvenience of installation and disassembly of the existing plastic sheet pressing device is solved, realizing rapid installation and temperature control, and improving the molding quality and efficiency of the plastic sheet.

CN224576209UActive Publication Date: 2026-07-31WUHAN TAISIDENG PACKAGING MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN TAISIDENG PACKAGING MATERIAL CO LTD
Filing Date
2025-09-08
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing plastic sheet pressing devices make it inconvenient to install or disassemble the sheets before and after pressing, which affects processing efficiency.

Method used

An adjustable pressing device was designed, which enables the rapid installation of plates of different thicknesses by adjusting the up and down movement of the limit seat and the rotation of the threaded column. The pressing is performed by the cooperation of the heating plate and hydraulic components to ensure precise temperature control.

Benefits of technology

It enables rapid installation and disassembly of the sheet material, improves pressing efficiency and precision, ensures proper temperature control, and enhances the molding quality of the plastic sheet.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224576209U_ABST
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Abstract

This utility model provides an adjustable pressing device for molding plastic sheets, including a support base, a fixed base fixed to the top of the support base, a fixed frame welded to the side of the fixed base, a displacement mechanism fixedly installed on the fixed frame, a movable base fixed to one end of the displacement mechanism, the movable base movably installed on the top of the fixed base, a support frame fixed on the fixed base, a hydraulic component fixedly installed on the support frame, and an upper mold fixedly installed on the hydraulic component. The upper mold movably cooperates with the movable base. In use, the vertical movement of the limiting seat facilitates the loading and unloading of the sheet metal. The threaded column rotates on the fixed plate to adjust its exposed height. After the lifting mechanism loses support for the limiting seat, the limiting seat descends and is supported by the threaded column. The limiting seats at different positions enable rapid installation of sheets of different thicknesses.
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Description

Technical Field

[0001] This utility model relates to the field of pressing equipment, specifically an adjustable pressing device for molding plastic sheets. Background Technology

[0002] During the production and processing of plastic sheets, a pressing process is required to shape the plastic sheets themselves. In the pressing process, the plastic sheet material to be pressed and the mold are usually placed together, and then pressed by a machine while being heated to ensure that the plastic sheet material can melt and improve the pressing efficiency.

[0003] According to patent document CN220973091U, a pressing device for producing plastic sheets includes a base track, a mounting plate above the base track, a control plate above the mounting plate, a lower support at the center of the mounting plate, a pressurized gas cylinder on the lower support, a pressing operation table above the lower support, a limit bracket on the right side of the pressing operation table, and a lower pressing mold and an upper pressing mold above the pressing operation table. This technical solution adds a plastic sheet limiting device to fix the pressing device during the pressing process, thereby improving the stability and pressing accuracy of the plastic sheet. However, while this solution achieves pressing accuracy, it is inconvenient to install or disassemble the sheet before and after pressing, resulting in inconvenience during use. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide an adjustable pressing device for molding plastic sheets, thereby solving the problems mentioned in the background art. This utility model has a novel structure. During use, the up-and-down movement of the limiting seat facilitates the loading and unloading of the sheet material. The threaded column rotates on the fixed plate to adjust the exposed height. After the lifting mechanism loses its support for the limiting seat, the limiting seat descends and is supported by the threaded column. The limiting seats at different positions enable the rapid installation of sheets of different thicknesses.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable pressing device for molding plastic sheets, comprising a support base, a fixed base fixed to the top of the support base, a fixed frame welded to the side of the fixed base, a displacement mechanism fixedly mounted on the fixed frame, a movable base fixed to one end of the displacement mechanism, the movable base movably mounted on the top of the fixed base, a support frame fixed to the fixed base, a hydraulic component fixedly mounted on the support frame, an upper mold fixedly mounted on the hydraulic component, and the upper mold movably cooperating with the movable base.

[0006] Furthermore, a fixing plate is fixed to the side of the support base, a threaded column is rotatably mounted on the fixing plate, a lifting mechanism is fixed on the fixing plate, and the displacement mechanism is mounted on the movable base by fixing bolts.

[0007] Furthermore, the fixing plate has a positioning hole, and a positioning post is movably installed inside the positioning hole, with a limit seat fixed at one end of the positioning post.

[0008] Furthermore, a slider is fixed to the side of the limiting seat, a limiting block is fixed to the side of the slider, and a tension mechanism is fixed to the bottom of the slider.

[0009] Furthermore, a sliding groove is provided between the support base and the fixed base, and a limit groove is provided on the inner wall of the sliding groove.

[0010] Furthermore, the fixed base has an internal cavity, and a heating plate and an inclined plate are fixed inside the cavity.

[0011] Furthermore, a motor housing is fixedly installed inside the support base, and a drive motor is fixedly installed inside the motor housing. A connecting cavity is formed between the support base and the fixed base.

[0012] Furthermore, a fan blade is rotatably mounted inside the connecting cavity, and the fan blade is mounted on the drive motor via an output shaft. An opening is formed between the connecting cavity and the hollow cavity.

[0013] The beneficial effects of this utility model are:

[0014] 1. In use, the up-and-down movement of the limit seat facilitates the loading and unloading of sheet metal. The threaded column rotates on the fixed plate to adjust the exposed height. After the lifting mechanism loses its support for the limit seat, the limit seat descends and is supported by the threaded column. The limit seats at different positions enable the rapid installation of sheet metal of different thicknesses.

[0015] 2. In this utility model, heating plates are fixedly installed at the fixed base, the movable base, and the upper mold. The heating plates work together to heat the plate material comprehensively. Later, the temperature inside the fixed base is adjusted while the drive motor drives the fan blades to rotate, thereby ensuring a suitable temperature for pressing the plate material. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an adjustable pressing device for molding plastic sheets according to the present invention;

[0017] Figure 2 This is a schematic diagram of the internal structure of the cavity of an adjustable pressing device for molding plastic sheets according to this utility model;

[0018] Figure 3This is a schematic diagram of the slider of an adjustable pressing device for molding plastic sheets according to this utility model;

[0019] Figure 4 This is a schematic diagram of the positioning hole of an adjustable pressing device for molding plastic sheets according to this utility model;

[0020] Figure 5 This is a schematic diagram of the slide groove of an adjustable pressing device for molding plastic sheets according to this utility model;

[0021] Figure 6 This is a side cross-sectional view of the support base of an adjustable pressing device for molding plastic sheets according to this utility model.

[0022] In the diagram: 1. Support base; 2. Fixed base; 3. Fixed frame; 4. Displacement mechanism; 5. Movable base; 6. Support frame; 7. Upper mold; 8. Hydraulic assembly; 9. Fixed plate; 10. Threaded column; 11. Lifting mechanism; 12. Positioning column; 13. Limiting seat; 14. Cavity; 15. Heating plate; 16. Opening; 17. Motor box; 18. Slider; 19. Tensioning mechanism; 20. Positioning hole; 21. Fixing bolt; 22. Slide groove; 23. Limiting groove; 24. Drive motor; 25. Fan blade; 26. Inclined plate. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] Please see Figures 1 to 6 This utility model provides a technical solution: an adjustable pressing device for molding plastic sheets, including a support base 1, a fixed base 2 fixed to the top of the support base 1, a fixed frame 3 welded to the side of the fixed base 2, a displacement mechanism 4 fixedly installed on the fixed frame 3, a movable base 5 fixed to one end of the displacement mechanism 4, the movable base 5 movably installed on the top of the fixed base 2, a support frame 6 fixed on the fixed base 2, a hydraulic component 8 fixedly installed on the support frame 6, an upper mold 7 fixedly installed on the hydraulic component 8, the upper mold 7 movably cooperating with the movable base 5, a fixed plate 9 fixed to the side of the support base 1, a threaded column 10 rotatably installed on the fixed plate 9, a lifting mechanism 11 fixed on the fixed plate 9, and the displacement mechanism 4 installed on the movable base 5 by fixing bolts 21. Both the lifting mechanism 11 and the displacement mechanism 4 are linear reciprocating electric push rods. The displacement mechanism 4 pushes the movable base 5 to move horizontally, moving the sheet to the limit seat 13 for subsequent downward discharge.

[0025] In this embodiment, the fixing plate 9 has a positioning hole 20, and a positioning post 12 is movably installed inside the positioning hole 20. One end of the positioning post 12 is fixed with a limiting seat 13, and a slider 18 is fixed to the side of the limiting seat 13. A limiting block is fixed to the side of the slider 18, and a tension mechanism 19 is fixed to the bottom of the slider 18. A sliding groove 22 is opened between the support seat 1 and the fixing seat 2. A limiting groove 23 is opened on the inner wall of the sliding groove 22. The tension mechanism 19 is a tension spring. After the lifting mechanism 11 loses support for the limiting seat 13, the tension mechanism 19 drives the slider 18 and the limiting seat 13 to move downward. After the limiting seat 13 moves downward, it is limited by one end of the threaded post 10.

[0026] In this embodiment, the fixed base 2 has a cavity 14 inside, and a heating plate 15 and an inclined plate 26 are fixed inside the cavity 14. A motor housing 17 is fixedly installed inside the support base 1, and a drive motor 24 is fixedly installed inside the motor housing 17. A connecting cavity is formed between the support base 1 and the fixed base 2, and a fan blade 25 is rotatably installed inside the connecting cavity. The fan blade 25 is mounted on the drive motor 24 through an output shaft. An opening 16 is formed between the connecting cavity and the cavity 14. The drive motor 24 drives the fan blade 25 to rotate, and the temperature on the heating plate 15 inside the fixed base 2 decreases, thereby ensuring a suitable temperature for heating and pressing the sheet material.

[0027] Working principle: During use, the height of the limiting seat 13 is adjusted according to the thickness of the sheet material. The threaded column 10 is rotated on the fixed plate 9. The rotation of the threaded column 10 controls the position of the top. The lifting mechanism 11 retracts downward, and the limiting seat 13 loses its support. After the lifting mechanism 11 loses its support for the limiting seat 13, the pulling mechanism 19 drives the slider 18 and the limiting seat 13 to move downward. After the limiting seat 13 moves downward, it is limited by one end of the threaded column 10, and the sheet material is installed on the limiting seat 13. The top of the sheet material is on the same plane as the top of the fixed seat 2. Later, the displacement mechanism 4 is activated to push the movable seat 5 into the top of the limiting seat 13. The lifting mechanism 11 is activated to push the limiting seat 13 upward. The sheet material enters the interior of the movable seat 5. After the limiting seat 13 is flush with the fixed seat 2, the displacement mechanism 4 drives the movable seat 5 to move to the top of the fixed seat 2. The heating plate 15 is activated to heat the bottom of the sheet material. After heating, the sheet material adheres to each other. The hydraulic component 8 is activated to move downward. The upper mold 7 enters the interior of the movable seat 5 to press the sheet material. After pressing, the movable seat 5 pushes the sheet material into the top of the limiting seat 13. The operator pushes the sheet material inside the movable seat 5 onto the limiting seat 13 through the workpiece. After the lifting mechanism 11 descends, the pulling mechanism 19 drives the slider 18 and the limiting seat 13 to descend. After the limiting seat 13 descends, the sheet material and the movable seat 5 are misaligned. After misalignment, it is easy to quickly remove the pressed sheet material.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An adjustable pressing device for the forming of plastic sheets, comprising a support seat (1), characterized in that: The top of the support base (1) is fixed with a fixed base (2), and a fixed frame (3) is welded to the side of the fixed base (2). A displacement mechanism (4) is fixedly installed on the fixed frame (3). A movable base (5) is fixed at one end of the displacement mechanism (4). The movable base (5) is movably installed on the top of the fixed base (2). A support frame (6) is fixed on the fixed base (2). A hydraulic component (8) is fixedly installed on the support frame (6). An upper mold (7) is fixedly installed on the hydraulic component (8). The upper mold (7) movably cooperates with the movable base (5).

2. The adjustable pressing device for plastic plate forming according to claim 1, characterized in that: A fixing plate (9) is fixed to the side of the support base (1), a threaded column (10) is rotatably installed on the fixing plate (9), a lifting mechanism (11) is fixed on the fixing plate (9), and the displacement mechanism (4) is installed on the movable base (5) by fixing bolts (21).

3. The adjustable pressing device for plastic plate forming according to claim 2, characterized in that: The fixing plate (9) has a positioning hole (20), and a positioning column (12) is movably installed inside the positioning hole (20). One end of the positioning column (12) is fixed with a limiting seat (13).

4. The adjustable pressing device for plastic plate forming according to claim 3, characterized in that: A slider (18) is fixed to the side of the limiting seat (13), a limiting block is fixed to the side of the slider (18), and a tension mechanism (19) is fixed to the bottom of the slider (18).

5. The adjustable pressing device for plastic plate forming according to claim 1, characterized in that: A sliding groove (22) is provided between the support base (1) and the fixed base (2), and a limit groove (23) is provided on the inner wall of the sliding groove (22).

6. The adjustable pressing device for plastic plate forming according to claim 1, characterized in that: The fixed base (2) has a cavity (14) inside, and a heating plate (15) and an inclined plate (26) are fixed inside the cavity (14).

7. The adjustable pressing device for plastic plate forming according to claim 1, characterized in that: A motor housing (17) is fixedly installed inside the support base (1), and a drive motor (24) is fixedly installed inside the motor housing (17). A connecting cavity is opened between the support base (1) and the fixed base (2).

8. The adjustable pressing device for plastic plate forming according to claim 7, characterized in that: A fan blade (25) is rotatably mounted inside the connecting cavity. The fan blade (25) is mounted on the drive motor (24) via the output shaft. An opening (16) is provided between the connecting cavity and the cavity (14).