Compression molding equipment for composite product

By using a movable ejection mechanism and a limiting and fixing device, the problem of long heating and cooling waiting times in composite material molding equipment has been solved, improving production efficiency and ease of operation.

CN224158920UActive Publication Date: 2026-04-24ZIBO MEIHUAN COMPOSITE MATERIAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZIBO MEIHUAN COMPOSITE MATERIAL CO LTD
Filing Date
2025-05-07
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Existing composite material thermoforming equipment requires heating before compression and cooling after molding, resulting in long waiting times, affecting processing efficiency. Furthermore, the product is encased in a mold, extending the cooling time and making it inconvenient to use.

Method used

A movable ejection mechanism is adopted, in which the lower mold is moved by a motor-driven threaded rod and threaded block. While one lower mold is being heated and formed, the other lower mold is being cooled and removed. The finished product is ejected by a lifting plate and a rectangular column, and the mold is fixed by trapezoidal blocks and L-shaped plates to avoid repeated operations.

Benefits of technology

This eliminates the need to wait during heating and cooling processes, improving production efficiency, facilitating the handling of finished products, reducing cooling time, and lowering labor intensity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224158920U_ABST
    Figure CN224158920U_ABST
Patent Text Reader

Abstract

The utility model discloses compression molding equipment for a composite product, and relates to the technical field of composite molding equipment. The device comprises a concentric-square-shaped base, and an installation frame is installed on the top of the concentric-square-shaped base. During use, the two lower molds can move through the motor, the threaded rod and the threaded block, when one lower mold moves to the lower portion of the upper mold, the other lower mold moves to the left side or the right side of the upper mold, and then when one lower mold is subjected to charging and heating hydraulic forming, the other lower mold can move to the left side or the right side of the upper mold; and meanwhile, when the lower mold moves, a lifting plate is made to move upwards through a triangular block, an ejection block is made to move upwards through a rectangular column when the lifting plate moves upwards, and then the formed product is ejected out. And therefore, the finished product is prevented from being wrapped by the lower mold to influence cooling, and meanwhile, subsequent workers can conveniently take the product.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of composite material molding equipment, specifically to a composite material product compression molding equipment. Background Technology

[0002] Composite materials include polyolefin-based composite materials, polystyrene-based composite materials, thermoplastic elastomer-based composite materials, liquid crystal polymer-based composite materials, etc. When manufacturing products, they generally need to be produced using a thermoforming hydraulic press.

[0003] The prior art patent CN215283471U discloses a worktable for a composite material thermoforming hydraulic press. It uses a worktable body, a limiting plate, a ventilation mechanism, a groove, a lower pad, an upper pad, a spring, a protective layer, a first side wall, and a second side wall to protect and reduce the impact on the worktable. However, in actual use, the composite material needs to be heated before each compression. After molding, in order to avoid burns to the workers, it must be cooled for a certain period of time before it can be taken out. The waiting time is too long, which can affect the processing efficiency. Moreover, during the cooling time, the product is always wrapped in the mold, which can increase the cooling time and make it inconvenient to use. Utility Model Content

[0004] To address the aforementioned problems, this utility model provides a composite material product compression molding equipment. This solves the problems that composite materials need to be heated before each compression, and after molding, they need to be cooled for a certain period of time before being taken out to avoid burns to workers. The long waiting time can affect processing efficiency. Furthermore, during the cooling time, the product is always wrapped in the mold, which can increase the cooling time and make it inconvenient to use.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a composite material product molding equipment, including a spiral base, a mounting frame installed on the top of the spiral base, a mounting hole opened on the top of the mounting frame, a hydraulic cylinder installed on the mounting frame, an upper mold installed after the output end of the hydraulic cylinder passes through the mounting hole, two lower molds are provided on the spiral base, and a movable ejection mechanism is provided on the spiral base and the two lower molds.

[0006] The movable ejection mechanism includes a movable block disposed above the U-shaped base. The movable block is provided with a fixing component for simultaneously fixing the two lower molds. The bottom of each of the two lower molds is provided with a rectangular hole. A rectangular column is slidably installed on each of the two rectangular holes. A top block and a lifting plate are respectively installed at the top and bottom of the two rectangular columns. The bottom of the movable block is provided with two through holes that are adapted to the lifting plate. The U-shaped base is provided with a driving mechanism for moving the movable block.

[0007] Preferably, the driving mechanism includes a motor mounted on the side of the U-shaped base, a groove is provided on the top of the U-shaped base, a threaded rod is rotatably mounted on the inner wall of the groove, one end of the threaded rod extends outside the U-shaped base and is mounted on the output shaft of the motor, a threaded block is threadedly fitted on the threaded rod, a movable block is mounted on the top of the threaded block, a plurality of balls are movably mounted on the bottom of the movable block, two triangular blocks adapted to the lifting plates are mounted on the inner wall of the U-shaped base, and elastic units are provided on the top of both lifting plates.

[0008] Preferably, the elastic unit includes a spring mounted on the top of the lifting plate, and the other end of the spring is mounted on the bottom of the lower mold.

[0009] Preferably, the fixing component includes a movable groove formed on the side of the movable block, a bidirectional lead screw rotatably mounted on the inner wall of the movable groove, one end of the bidirectional lead screw extending outside the movable block and fitted with a knob, two L-shaped blocks threaded onto the bidirectional lead screw, trapezoidal blocks mounted on the sides of the two L-shaped blocks, L-shaped plates adapted to the trapezoidal blocks mounted on the two mutually distant sides of the two lower molds, four placement slots adapted to the L-shaped plates formed on the top of the movable block, and threaded holes formed on the top of the movable block, with fixing bolts threaded onto the threaded holes.

[0010] Preferably, two limiting plates are installed at the bottom of the U-shaped base.

[0011] Preferably, the bottom of the U-shaped base is equipped with multiple support legs, and the bottom of each of the multiple support legs is fixed with a cushioning pad.

[0012] The beneficial effects of this utility model are as follows:

[0013] This invention enables the movement of two lower molds via a motor, threaded rod, and threaded block. When one lower mold moves to below the upper mold, the other lower mold moves to the left or right of the upper mold. This allows for the cooling and removal of the other molded product while one lower mold is being loaded and heated for hydraulic forming, thus avoiding excessive waiting time that could affect production efficiency. Simultaneously, the movement of the lower mold causes the lifting plate to rise via a triangular block. This rise in the lifting plate, in turn, causes the top block to rise via a rectangular column, ejecting the formed product and preventing it from being encased in the lower mold, which would hinder cooling. This also facilitates subsequent removal of the product by staff.

[0014] This utility model, through the setting of trapezoidal blocks, L-shaped plates, bidirectional lead screws, knobs, L-shaped blocks and fixing bolts, facilitates the limiting and fixing of the two lower molds, thereby avoiding repeated operations and increasing the labor intensity of workers. The setting of the limiting plate facilitates the limiting of the lifting plate, preventing the lifting plate from affecting the processing during hot pressing operations. Attached Figure Description

[0015] Figure 1 This is a first-view three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the second-view three-dimensional structure of this utility model;

[0017] Figure 3 yes Figure 2 Enlarged structural diagram at point A in the middle;

[0018] Figure 4 This is a three-dimensional structural diagram of the partially cut-out shape of the spiral base, the movable block, and the lower mold in this utility model;

[0019] Figure 5 This is a three-dimensional structural diagram of the spiral-shaped base, the movable block, the lower mold, and the top block in this utility model;

[0020] Figure 6 This is a three-dimensional structural diagram of a partially cut section of the spiral-shaped base, the moving block, the lower mold, and the limiting plate in this utility model.

[0021] Reference numerals: 1. U-shaped base; 2. Trapezoidal block; 3. Mounting bracket; 4. Upper mold; 5. Hydraulic cylinder; 6. Motor; 7. Moving block; 8. Lower mold; 9. Top block; 10. Threaded rod; 11. Threaded block; 12. Rectangular column; 13. Lifting plate; 14. Spring; 15. Triangular block; 16. Limiting plate; 17. L-shaped plate; 18. Two-way lead screw; 19. L-shaped block; 20. Fixing bolt; 21. Groove; 22. Through hole; 23. Placement slot. Detailed Implementation

[0022] The present invention will be further described below with reference to specific embodiments. However, those skilled in the art should understand that the detailed description given here with reference to the accompanying drawings is for better explanation. The structure of the present invention may exceed the limited embodiments described herein. Some equivalent alternatives or common means will not be described in detail here, but they still fall within the protection scope of this application.

[0023] Figures 1-6 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figure 1 ~Attached Figure 6 The present invention will be further described below.

[0024] A composite material product compression molding equipment includes a U-shaped base 1, a mounting frame 3 mounted on the top of the U-shaped base 1, a hydraulic cylinder 5 mounted on the top of the mounting frame 3, a mounting hole opened on the top of the mounting frame 3, the hydraulic cylinder 5 mounted on the mounting frame 3, and an upper mold 4 mounted on the output end of the hydraulic cylinder 5 after passing through the mounting hole. Two lower molds 8 are provided on the U-shaped base 1, and a moving ejection mechanism is provided on the U-shaped base 1 and the two lower molds 8. Specifically, the upper mold 4 and the lower mold 8 are Zhejiang Dacheng Mold SMC / BMC rectangular hot pressing molds, whose cavities and cores are integrated with heating elements, and temperature control can be achieved by electric heating or heat transfer oil circulation. This is a kind of existing technology, and its operating principle and heating process will not be described in detail here.

[0025] The movable ejection mechanism includes a movable block 7 disposed above the U-shaped base 1. The movable block 7 is provided with a fixing component that simultaneously fixes two lower molds 8. The bottom of each of the two lower molds 8 is provided with a rectangular hole, and a rectangular column 12 is slidably installed on each of the two rectangular holes. A top block 9 and a lifting plate 13 are respectively installed at the top and bottom of the two rectangular columns 12. Specifically, the bottom side of the lifting plate 13 is inclined, and rollers can also be added to the bottom of the lifting plate 13. The bottom of the movable block 7 is provided with two through holes 22 that are adapted to the lifting plate 13. The U-shaped base 1 is provided with a drive mechanism that moves the movable block 7.

[0026] With the above structure, during use, the moving block 7 can be moved by the drive mechanism. The movement of the moving block 7 will cause the two lower molds 8 to move. When one lower mold 8 moves to below the upper mold 4, the other lower mold 8 moves to the left or right of the upper mold 4. This allows the other molded product to be cooled and retrieved while one lower mold 8 is being loaded and heated for hydraulic forming, thus avoiding long waiting times that could affect production efficiency. At the same time, the movement of the lower mold 8 will cause the rectangular column 12 to move, which in turn will cause the top block 9 and the lifting plate 13 to move. When the other lower mold 8 moves, the drive mechanism will press the lifting plate 13 to rise. The rise of the lifting plate 13 will cause the top block 9 to move upward through the rectangular column 12, thereby pushing out the formed product. This prevents the finished product from being wrapped by the lower mold 8 and affecting cooling, and also makes it easier for subsequent workers to retrieve the product.

[0027] like Figure 1 , Figure 2 and Figure 5 As shown, the drive mechanism includes a motor 6 mounted on the side of the U-shaped base 1. A groove 21 is provided on the top of the U-shaped base 1. A threaded rod 10 is rotatably mounted on the inner wall of the groove 21. One end of the threaded rod 10 extends to the outside of the U-shaped base 1 and is mounted on the output shaft of the motor 6. A threaded block 11 is threadedly fitted on the threaded rod 10. A movable block 7 is fixedly mounted on the top of the threaded block 11. Multiple balls are movably mounted on the bottom of the movable block 7. Two triangular blocks 15 that are adapted to the lifting plate 13 are mounted on the inner wall of the U-shaped base 1. The inclined side of the bottom of the lifting plate 13 slides in cooperation with the inclined surface of the triangular block 15. An elastic unit is provided on the top of both lifting plates 13.

[0028] The advantage of this configuration is that the arrangement of motor 6, threaded rod 10, threaded block 11, triangular block 15 and groove 21 facilitates the sequential movement of moving block 7 and lifting plate 13.

[0029] Specifically, by moving the movable block 7, the two lower molds 8 can be moved, thereby transferring the processed lower mold 8. This allows the other molded product to be cooled and removed while one of the lower molds 8 is being loaded and heated for hydraulic forming. By moving the lifting plate 13, the top block 9 can be moved upward to push out the formed product, thus preventing the finished product from being wrapped by the lower mold 8 and affecting cooling. This also makes it easier for subsequent workers to remove the product.

[0030] like Figure 4 As shown, the elastic unit includes a spring 14 mounted on the top of the lifting plate 13, and the other ends of the two springs 14 are mounted on the bottom of the lower mold 8.

[0031] The advantage of this design is that the spring 14 facilitates the resetting of the lifting plate 13.

[0032] Specifically, when the lifting plate 13 is pressed upward by the triangular block 15, the lower mold 8 resets, causing the lifting plate 13 to move. At this time, under the action of the spring 14 and gravity, the lifting plate 13 resets and moves downward, thereby causing the top block 9 to move downward, thus avoiding affecting the next use.

[0033] like Figure 1 - Figure 6 As shown, the fixing assembly includes a movable groove on the side of the movable block 7. A bidirectional lead screw 18 is rotatably mounted on the inner wall of the movable groove. One end of the bidirectional lead screw 18 extends to the outside of the movable block 7 and is fitted with a knob. Two L-shaped blocks 19 are threaded onto the bidirectional lead screw 18. Trapezoidal blocks 2 are mounted on the sides of the two L-shaped blocks 19. L-shaped plates 17 that are adapted to the trapezoidal blocks 2 are mounted on the two lower molds 8 on their respective sides. Four placement slots 23 that are adapted to the L-shaped plates 17 are opened on the top of the movable block 7. A threaded hole is opened on the top of the movable block 7, and a fixing bolt 20 is threaded onto the threaded hole.

[0034] The advantage of this setup is that, through the arrangement of trapezoidal block 2, L-shaped plate 17, bidirectional lead screw 18, knob, L-shaped block 19, and fixing bolt 20, the positions of trapezoidal block 2 and L-shaped plate 17 are aligned, allowing trapezoidal block 2 to move and squeeze and limit L-shaped plate 17, thereby limiting and fixing the two lower molds 8. By setting a placement groove 23 that matches L-shaped plate 17, it is easy to place a part of L-shaped plate 17 within the placement groove 23 during placement, thereby limiting the lateral movement of L-shaped plate 17.

[0035] Specifically, by simultaneously limiting and fixing the two lower molds 8, there is no need to fix them separately, avoiding repeated operations and increasing the labor intensity of the workers. The end of the fixing bolt 20 can be used to tighten the non-threaded part of the bidirectional lead screw 18, preventing the bidirectional lead screw 18 from rotating on its own during use and affecting stability.

[0036] like Figure 4 As shown, two limiting plates 16 are installed at the bottom of the U-shaped base 1.

[0037] The advantage of this design is that the limiting plate 16 makes it easy to limit the lifting plate 13.

[0038] Specifically, by limiting the lifting plate 13, the process is prevented from being affected by the lifting plate 13 during hot pressing.

[0039] like Figure 1 As shown, the bottom of the U-shaped base 1 is equipped with multiple support legs, and the bottom of each support leg is fixed with a cushioning pad.

[0040] The advantage of this design is that the support legs and cushioning pads facilitate the cushioning and support of the U-shaped base 1.

[0041] Specifically, the impact of vibration on the lifting plate 13 and spring 14 is reduced through buffer support.

[0042] In summary: When using this utility model, the composite material is first placed in two lower molds 8. Then, the motor 6 is started. The output of the motor 6 causes the threaded rod 10 to rotate, which in turn causes the threaded block 11 to move. The movement of the threaded block 11 causes the moving block 7 to move. The movement of the moving block 7, through the cooperation of the L-shaped plate 17 and the placement groove 23, causes the two lower molds 8 to move. When one of the lower molds 8 is directly below the upper mold 4, the other lower mold 8 moves to the left or right end of the U-shaped base 1. At this time, heating is achieved by electric heating or heat transfer oil circulation through the heating elements integrated in the upper cavity and core of both the upper mold 4 and the lower mold 8. When heating is complete, the hydraulic cylinder 5 is started. The output of the hydraulic cylinder 5 causes the upper mold 4 to move downward. The downward movement of the upper mold 4 cooperates with one of the lower molds 8 to perform hydraulic forming. After hydraulic forming, the upper mold 4 is raised by the hydraulic cylinder 5. When rising, the moving block 7 moves again, causing the other lower mold 8 to be directly below the upper mold 4. At this time, the first lower mold 8 is at the left or right end of the U-shaped base 1. This allows the other molded product to be cooled and retrieved while one of the lower molds 8 is being loaded and heated for hydraulic forming, thus avoiding excessive waiting time that could affect production efficiency. At the same time, the movement of the lower mold 8 causes the rectangular column 12 to move, which in turn causes the lifting plate 13 to move. When the lifting plate 13 contacts the inclined surface of the triangular block 15, the lifting plate 13 continues to move and is squeezed upward by the triangular block 15. The upward movement of the lifting plate 13 causes the rectangular column 12 to move upward, which in turn causes the top block 9 to move upward, thus pushing out the formed product. This prevents the finished product from being wrapped by the lower mold 8 and affecting cooling, and also makes it easier for subsequent workers to retrieve the product.

[0043] When the lower mold 8 needs to be repaired or replaced, turn the knob. Turning the knob will cause the bidirectional lead screw 18 to rotate. The rotation of the bidirectional lead screw 18 will cause the two L-shaped blocks 19 to move away from or closer to each other. The two L-shaped blocks 19 moving away from or closer to each other will cause the two trapezoidal blocks 2 to move away from or closer to each other. When the trapezoidal blocks 2 move closer to each other, the inclined surface of the trapezoidal blocks 2 will gradually approach the L-shaped plate 17 and press and fix it. When the trapezoidal blocks 2 move away from each other, the trapezoidal blocks 2 will move away from the L-shaped plate 17, thereby canceling the pressing and fixing of the L-shaped plate 17. In this way, the two lower molds 8 can be fixed or unfixed at the same time, avoiding repeated operations and increasing the labor intensity of the workers.

[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its scope of protection shall still fall within the protection scope of this utility model.

Claims

1. A composite material product molding equipment, comprising a U-shaped base (1), characterized in that, The top of the spiral base (1) is equipped with a mounting bracket (3), the top of the mounting bracket (3) is provided with a mounting hole, a hydraulic cylinder (5) is mounted on the mounting bracket (3), the output end of the hydraulic cylinder (5) passes through the mounting hole and is equipped with an upper mold (4), two lower molds (8) are provided on the spiral base (1), and a moving ejection mechanism is provided on the spiral base (1) and the two lower molds (8); The movable ejection mechanism includes a movable block (7) disposed above the U-shaped base (1). The movable block (7) is provided with a fixing component that simultaneously fixes the two lower molds (8). The bottom of the two lower molds (8) is provided with rectangular holes. Rectangular columns (12) are slidably installed on the two rectangular holes. Top blocks (9) and lifting plates (13) are respectively installed at the top and bottom of the two rectangular columns (12). The bottom of the movable block (7) is provided with two through holes (22) that are adapted to the lifting plates (13). The U-shaped base (1) is provided with a driving mechanism that causes the movable block (7) to move.

2. The composite material product compression molding equipment according to claim 1, characterized in that, The driving mechanism includes a motor (6) installed on the side of the U-shaped base (1). The top of the U-shaped base (1) is provided with a groove (21). A threaded rod (10) is rotatably installed on the inner wall of the groove (21). One end of the threaded rod (10) extends to the outside of the U-shaped base (1) and is installed on the output shaft of the motor (6). A threaded block (11) is threaded on the threaded rod (10). A movable block (7) is installed on the top of the threaded block (11). Multiple balls are movably installed on the bottom of the movable block (7). Two triangular blocks (15) that are adapted to the lifting plate (13) are installed on the inner wall of the U-shaped base (1). An elastic unit is provided on the top of each of the two lifting plates (13).

3. The composite material product compression molding equipment according to claim 2, characterized in that, The elastic unit includes a spring (14) installed on the top of the lifting plate (13), and the other end of the spring (14) is installed on the bottom of the lower mold (8).

4. The composite material product compression molding equipment according to claim 1, characterized in that, The fixing component includes a movable groove opened on the side of the movable block (7). A two-way screw (18) is rotatably installed on the inner wall of the movable groove. One end of the two-way screw (18) extends to the outside of the movable block (7) and is equipped with a knob. Two L-shaped blocks (19) are threaded on the two-way screw (18). Trapezoidal blocks (2) are installed on the sides of the two L-shaped blocks (19). L-shaped plates (17) that are adapted to the trapezoidal blocks (2) are installed on the two lower molds (8) on opposite sides. Four placement slots (23) that are adapted to the L-shaped plates (17) are opened on the top of the movable block (7). A threaded hole is opened on the top of the movable block (7), and a fixing bolt (20) is threaded on the threaded hole.

5. The composite material product compression molding equipment according to claim 1, characterized in that, Two limiting plates (16) are installed at the bottom of the spiral base (1).

6. The composite material product compression molding equipment according to claim 1, characterized in that, The bottom of the spiral base (1) is equipped with multiple support legs, and the bottom of each of the multiple support legs is fixed with a buffer pad.

Citation Information

Patent Citations

  • Workbench of composite material thermoforming hydraulic machine

    CN215283471U