Plastic product hot press molding structure

Abstract

The utility model relates to a plastic product hot-press forming structure which comprises a working table and a support installed on the top of the working table, a die groove is formed in the top of the working table, a discharging slope penetrating through one side of the working table is formed in one side of the die groove, and an installation groove is formed in the other side of the die groove. A pushing mechanism corresponding to the discharging slope is mounted in the mounting groove, the pushing mechanism comprises an electric telescopic rod mounted on the inner wall of one side of the mounting groove and a pushing plate mounted at the output end of the electric telescopic rod, a moving box is arranged in the mold groove in a sleeved mode, and a plurality of pushing rods are mounted at the bottom of the moving box; in the using process, the hot-pressed plastic parts can be automatically pushed into the material receiving box, the formed plastic parts do not need to be manually taken out from the interior of the mold groove, the situation that workers are prone to being scalded when taking out the plastic parts is reduced, the plastic parts can be rapidly and conveniently taken out, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of plastic product processing technology, specifically relating to the thermoforming structure of plastic products. Background Technology

[0002] Plastic products are a general term for daily necessities and industrial products made primarily from plastics. They include all products manufactured using processes such as injection molding and thermoforming. Plastics are a type of plastic synthetic polymer material that, along with synthetic rubber and synthetic fibers, forms the three essential synthetic materials for daily life.

[0003] Thermoforming is used in the processing of plastic products. It is a simple and common processing method in the plastics processing industry. It mainly involves heating the mold, injecting the sample, and using pressure to fix the mold on the heating plate. The melting temperature and time of the sample are controlled to achieve melting, hardening, cooling, and then removing the molded product. In the use of existing thermoforming structures, after the plastic product is thermoformed, the worker needs to manually remove the formed plastic part from the mold cavity. However, the plastic part is very hot after thermoforming, which can easily cause burns or other injuries to the workers when removing it. Moreover, since the plastic part is located in the mold cavity, it is inconvenient for the worker to remove it manually. Utility Model Content

[0004] The purpose of this utility model is to provide a simple and reasonably designed thermoforming structure for plastic products in order to solve the above problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A thermoforming structure for plastic products includes a worktable and a support mounted on top of the worktable. The top of the worktable has a mold groove, and one side of the mold groove has a discharge ramp extending through one side of the worktable. The other side of the mold groove has an installation groove. A pushing mechanism corresponding to the discharge ramp is installed inside the installation groove. A movable box is fitted inside the mold groove. Multiple push rods are installed at the bottom of the movable box, and the bottoms of the push rods extend to the bottom of the worktable and are collectively mounted on a fixed plate. A first spring is fitted outside each push rod, and the two ends of the first spring are fixedly connected to the bottom of the worktable and the top of the fixed plate, respectively. A thermoforming mechanism that works with the mold groove is installed inside the support. A U-shaped movable frame is located below the fixed plate at the bottom of the worktable, and the top of the movable frame is fixedly connected to the thermoforming mechanism. A cooling mechanism is located inside the movable box.

[0007] As a further optimization of this utility model, the hot pressing mechanism includes a pneumatic cylinder installed on the inner wall of the top of the support, a mounting plate installed on the output end of the pneumatic cylinder, and a hot pressing plate installed on the bottom of the mounting plate and used in conjunction with the mold groove. Connecting plates are installed on both sides of the top of the movable frame, and one side of each of the two connecting plates is fixedly connected to the two sides of the mounting plate.

[0008] As a further optimization of this utility model, two limiting rods are installed between the top of the workbench and the top inner wall of the bracket, the mounting plate is sleeved on the outside of the two limiting rods, and the bracket has strip-shaped openings on both sides to facilitate the movement of the connecting plate.

[0009] As a further optimization of this utility model, the cooling mechanism includes a sealing plate sleeved inside the movable box, multiple second springs installed at the bottom of the sealing plate and fixedly connected to the inner wall of the bottom of the movable box, multiple air outlets opened at the top of the movable box, and multiple sealing columns installed at the top of the sealing plate to seal the multiple air outlets. An air inlet pipe extending to the bottom of the workbench is installed at the top of the sealing plate, and a refrigerant tank is installed at the top of the base plate. The air inlet of the refrigerant tank is connected to the air inlet pipe through a hose.

[0010] As a further optimization of this utility model, the pushing mechanism includes an electric telescopic rod installed on the inner wall of one side of the mounting groove, and a push plate installed at the output end of the electric telescopic rod.

[0011] As a further optimization of this utility model, a receiving box located below the unloading slope is installed on one side of the workbench. Multiple support legs are installed at the bottom of both the receiving box and the workbench, and a base plate is installed at the bottom of the multiple support legs.

[0012] The beneficial effects of this utility model are as follows: During the use of this utility model, the hot-pressed plastic parts can be automatically pushed into the receiving box, eliminating the need for manual removal of the molded plastic parts from the mold groove. This not only reduces the risk of burns to workers during removal but also allows for quick and convenient removal, thus improving work efficiency. Attached Figure Description

[0013] Figure 1 This is a first three-dimensional structural schematic diagram of the present invention;

[0014] Figure 2 This is a second three-dimensional structural schematic diagram of the present invention;

[0015] Figure 3 This is a cross-sectional structural schematic diagram of the mobile box of this utility model;

[0016] Figure 4 This utility model Figure 2Enlarged view of point A in the middle;

[0017] Figure 5 This utility model Figure 3 Enlarged view of section B in the middle.

[0018] In the diagram: 1. Workbench; 2. Support; 3. Pneumatic cylinder; 4. Mounting plate; 5. Limiting rod; 6. Mold groove; 7. Electric telescopic rod; 8. Push plate; 9. Moving box; 10. Discharge slope; 11. Receiving box; 12. Base plate; 13. Strip opening; 14. Moving frame; 15. Fixed plate; 16. Hot press plate; 17. Refrigeration gas tank; 18. Sealing plate; 19. Sealing column; 20. Air outlet; 21. Second spring; 22. Push rod; 23. First spring; 24. Air inlet pipe; 25. Connecting plate. Detailed Implementation

[0019] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0020] Example 1

[0021] As shown in the figure Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the thermoforming structure for plastic products includes a workbench 1 and a support 2 mounted on the top of the workbench 1. A mold groove 6 is formed on the top of the workbench 1. A discharge ramp 10, penetrating one side of the workbench 1, is formed on one side of the mold groove 6. An installation groove is formed on the other side of the mold groove 6. A pushing mechanism corresponding to the discharge ramp 10 is installed inside the installation groove. The pushing mechanism includes an electric telescopic rod 7 mounted on the inner wall of one side of the installation groove and a push plate 8 mounted on the output end of the electric telescopic rod 7. A movable box 9 is fitted inside the mold groove 6. Multiple push rods 22 are installed at the bottom of the movable box 9. The bottoms of the multiple push rods 22 extend to the bottom of the workbench 1 and are collectively mounted on a fixing plate 15. A first spring 23 is fitted outside the push rods 22. The two ends of the first spring 23 are fixed to the bottom of the workbench 1 and the top of the fixing plate 15, respectively. A thermoforming mechanism that works with the mold groove 6 is installed inside the support 2. The bottom of the workbench 1 has a U-shaped structure located below the fixing plate 15. The movable frame 14 has a rectangular structure. The top of the movable frame 14 is fixedly connected to the hot pressing mechanism. The hot pressing mechanism includes a pneumatic cylinder 3 installed on the inner wall of the top of the support 2, a mounting plate 4 installed on the output end of the pneumatic cylinder 3, and a hot pressing plate 16 installed on the bottom of the mounting plate 4 and used in conjunction with the mold groove 6. Connecting plates 25 are installed on both sides of the top of the movable frame 14. One side of the two connecting plates 25 is fixedly connected to the two sides of the mounting plate 4 respectively. Two limiting rods 5 are installed between the top of the workbench 1 and the inner wall of the top of the support 2. The mounting plate 4 is sleeved on the outside of the two limiting rods 5. The mounting plate 4 can be limited by the limiting rods 5, so that the mounting plate 4 can move smoothly. The two sides of the support 2 are provided with strip-shaped openings 13 to facilitate the movement of the connecting plates 25. A receiving box 11 located below the discharge slope 10 is installed on one side of the workbench 1. Multiple support legs are installed on the bottom of the receiving box 11 and the workbench 1. The bottom of the multiple support legs is jointly installed with a base plate 12.

[0022] It should be noted that, in use, this thermoforming structure for plastic products involves placing the plastic product to be thermoformed inside the mold groove 6. The pneumatic cylinder 3 moves the mounting plate 4 downwards, causing the thermoforming plate 16 to move downwards and into the mold groove 6. The thermoforming plate 16 then heat-presses the plastic product inside the mold groove 6. After the heat-pressing is complete, the pneumatic cylinder 3 moves the mounting plate 4 upwards, causing the thermoforming plate 16 to move out of the mold groove 6. Simultaneously, driven by the mounting plate 4, the two connecting plates 25 move the moving frame 14. When the movable frame 14 contacts the fixed plate 15, the movable frame 14 will drive the fixed plate 15 to move upward. Under the drive of the fixed plate 15, multiple push rods 22 will push the movable box 9 to move. At this time, the fixed plate 15 will compress the first spring 13, thereby pushing the movable box 9 above the unloading slope 10. Then the electric telescopic rod 7 will drive the push plate 8 to move, thereby pushing the plastic product on the top of the movable box 9 into the unloading slope 10. Under the action of the slope, it slides into the receiving box 11. This eliminates the need for workers to manually remove the molded plastic parts from the mold groove, making it more convenient for people to use.

[0023] Example 2

[0024] As shown in the figure Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the difference between this embodiment and embodiment 1 is that: the mobile box 9 has a cooling mechanism inside, which includes a sealing plate 18 sleeved inside the mobile box 9, multiple second springs 21 installed at the bottom of the sealing plate 18 and fixedly connected to the inner wall of the bottom of the mobile box 9, multiple air outlets 20 opened at the top of the mobile box 9, and multiple sealing columns 19 installed at the top of the sealing plate 18 to seal the multiple air outlets 20. An air inlet pipe 24 extending to the bottom of the workbench 1 is installed at the top of the sealing plate 18, and a cooling gas tank 17 is installed at the top of the bottom plate 12. The air inlet of the cooling gas tank 17 is connected to the air inlet pipe 24 through a hose. The sealing plate 18 divides the mobile box 9 into upper and lower spaces, and a control valve is installed at the air inlet of the cooling gas tank 17.

[0025] This embodiment, an improvement upon Embodiment 1, features the following improvement: Before the moving frame 14 contacts the fixed plate 15, the cooling gas discharged from the cooling gas tank 17 enters the interior of the air inlet pipe 24 through a hose, and then enters the upper space of the moving box 9 through the air inlet pipe 24. Under the action of gas pressure, the sealing plate 18 will squeeze multiple second springs 21, thereby driving multiple sealing pillars 19 to move downward, thus opening multiple air outlets 20. The cold air will be discharged through the multiple air outlets 20. Under the action of gas pressure, the plastic product can be separated from the inner wall of the moving box 9 and the mold groove 6, preventing damage to the plastic parts due to adhesion to the moving box 9 during the material pushing operation. At the same time, it can cool down the plastic product, accelerate the cooling speed of the plastic product, reduce the cooling time of the plastic product, and improve work efficiency.

[0026] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A thermoforming structure for plastic products, comprising a worktable (1) and a support (2) mounted on the top of the worktable (1), characterized in that, The top of the workbench (1) is provided with a mold groove (6). A material discharge slope (10) penetrating one side of the workbench (1) is provided on one side of the mold groove (6). An installation groove is provided on the other side of the mold groove (6). A pushing mechanism corresponding to the material discharge slope (10) is installed inside the installation groove. A movable box (9) is fitted inside the mold groove (6). Multiple push rods (22) are installed at the bottom of the movable box (9). The bottoms of the multiple push rods (22) extend to the bottom of the workbench (1) and are jointly installed with a... The fixed plate (15) has a first spring (23) sleeved on the outside of the push rod (22). The two ends of the first spring (23) are fixed to the bottom of the workbench (1) and the top of the fixed plate (15) respectively. The bracket (2) is equipped with a hot pressing mechanism that works with the mold groove (6). The bottom of the workbench (1) is provided with a U-shaped movable frame (14) located below the fixed plate (15). The top of the movable frame (14) is fixedly connected to the hot pressing mechanism. The movable box (9) has a cooling mechanism inside.

2. The hot-pressing structure for plastic products according to claim 1, characterized in that: A receiving box (11) is installed on one side of the workbench (1) below the unloading slope (10). Both the receiving box (11) and the bottom of the workbench (1) are equipped with multiple support legs, and the bottom of the multiple support legs is equipped with a base plate (12).

3. The hot-pressing structure for plastic products according to claim 2, characterized in that: The hot pressing mechanism includes a pneumatic cylinder (3) installed on the inner wall of the top of the bracket (2), a mounting plate (4) installed at the output end of the pneumatic cylinder (3), and a hot pressing plate (16) installed at the bottom of the mounting plate (4) and used in conjunction with the mold groove (6). Connecting plates (25) are installed on both sides of the top of the movable frame (14), and one side of each of the two connecting plates (25) is fixedly connected to the two sides of the mounting plate (4).

4. The hot-pressing structure for plastic products according to claim 3, characterized in that: Two limiting rods (5) are installed between the top of the workbench (1) and the top inner wall of the bracket (2). The mounting plate (4) is sleeved on the outside of the two limiting rods (5). Both sides of the bracket (2) are provided with strip-shaped openings (13) to facilitate the movement of the connecting plate (25).

5. The hot-pressing structure for plastic products according to claim 2, characterized in that: The cooling mechanism includes a sealing plate (18) fitted inside the movable box (9), a plurality of second springs (21) installed at the bottom of the sealing plate (18) and fixedly connected to the inner wall of the bottom of the movable box (9), a plurality of air outlets (20) opened at the top of the movable box (9), and a plurality of sealing columns (19) installed at the top of the sealing plate (18) and sealing the plurality of air outlets (20). An air inlet pipe (24) extending to the bottom of the workbench (1) is installed at the top of the sealing plate (18), and a cooling gas tank (17) is installed at the top of the base plate (12). The air inlet of the cooling gas tank (17) is connected to the air inlet pipe (24) through a hose.

6. The hot-pressing structure for plastic products according to claim 1, characterized in that: The pushing mechanism includes an electric telescopic rod (7) installed on the inner wall of one side of the mounting groove, and a push plate (8) installed at the output end of the electric telescopic rod (7).

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