Hot-pressing forming machine

Abstract

The utility model relates to the technical field of forming machines, in particular to a hot-pressing forming machine which comprises a forming machine main body, a lower plate is installed in the forming machine main body, push plate assemblies are symmetrically arranged on the two sides of the lower plate, die rails are symmetrically and fixedly connected to the top face of the lower plate, a die base is arranged above the lower plate, and the die base is connected with a die pressing plate. Wedging grooves are symmetrically formed in the bottom surface of the mold base; according to the technical scheme, the upper plate can provide driving force for the U-shaped push plate which the push plate assembly belongs to in the process of moving up and down under the driving of the hydraulic cylinder, so that the mold base and the mold can be pushed to integrally move through the U-shaped push plate in the process of moving the upper plate to open the mold, and the mold is gradually far away from the lower plate and the upper plate within a certain range; in this way, the process of taking out the product from the mold is not hindered by the lower plate and the upper plate, and then the working efficiency of the forming machine body is improved by improving the part taking-out efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of molding machines, and specifically relates to a hot pressing molding machine. Background Art

[0002] A hot pressing molding machine (also known as a flat vulcanizing machine, rubber vulcanizing machine, foam board vulcanizing machine, small tablet press, automatic tablet press) is a type of molding machine and is widely used in the rubber and plastic industries. The working principle of the hot pressing molding machine is to place plastic or rubber raw materials in a mold and then clamp them between the upper and lower electric heating plates. Under the intelligent constant temperature control of the electric heating plates, pressure is applied to the raw materials to make them form. This machine has various models and specifications, and the machine capacity can range from 10 tons to 50 tons. The area and spacing of the pressing plates can also be adjusted according to needs.

[0003] Currently, in the prior art, a hydraulic molding machine forms raw materials between molds through the heating effect between its upper and lower pressing plates. When the relative distance between the upper and lower pressing plates is short, the too-close upper and lower pressing plates will cause certain obstruction to the process of taking out the hot-pressed molded part from the mold, affecting the blanking efficiency of the product and reducing the working efficiency of the hot pressing molding machine.

[0004] Therefore, a hot pressing molding machine is proposed for the above problems. Summary of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve the problem that when the relative distance between the upper and lower pressing plates is short, the too-close upper and lower pressing plates will cause certain obstruction to the process of taking out the hot-pressed molded part from the mold, affecting the blanking efficiency of the product and reducing the working efficiency of the hot pressing molding machine, a hot pressing molding machine is proposed.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A hot pressing molding machine of the utility model includes a molding machine main body. A lower plate is installed inside the molding machine main body. Push plate assemblies are symmetrically arranged on both sides of the lower plate. Mold tracks are symmetrically and fixedly connected to the top surface of the lower plate. A mold base is arranged above the lower plate. Fitting grooves are symmetrically formed on the bottom surface of the mold base, and the fitting grooves are slidably installed between the outer walls of the mold tracks. An upper plate is arranged above the mold base.

[0007] Preferably, the push plate assembly includes a chute base installed on the inner bottom surface of the molding machine main body. A push plate connecting rod is arranged above the chute base. Fitting shaft rods are fixedly connected to both ends of the push plate connecting rod. One of the fitting shaft rods is slidably installed inside the chute base, and a lifting frame is clamped outside the other fitting shaft rod. The lifting frame is fixedly connected to the bottom surface of the upper plate.

[0008] Preferably, straight groove openings are formed in the adjacent side walls of the two chute bases, and one ends of the shaft rods of the two push plate link rods extend to the outside of the chute bases through the straight groove openings respectively.

[0009] Preferably, limiting strip rails are arranged below the adjacent side walls of the two chute bases, a limiting slider is slidably installed between the inner walls of the limiting strip rails, a clamping sleeve is fixedly connected to the top of the limiting slider, and the clamping sleeve is sleeved between the outer walls of the push plate shaft rods.

[0010] Preferably, a U-shaped push plate is installed at the rear of the mold base, and two ends of the U-shaped push plate are fixedly connected to the outer walls of the two clamping sleeves respectively.

[0011] Preferably, a linkage bracket is fixedly connected to the center of the rear wall of the mold base.

[0012] Preferably, a through hole is formed in the center of the top surface of the U-shaped push plate, and a linkage pin is clamped between the through hole and the linkage bracket.

[0013] Advantages of the utility model:

[0014] In the utility model, through heating and pressurization between the lower plate and the upper plate of the molding machine main body, the product is formed between the molds in the mold base. During the process of the upper plate moving up and down driven by the hydraulic cylinder, the U-shaped push plate of the push plate assembly can be provided with a driving force. Furthermore, during the process of the upper plate moving upward to open the mold, the mold base and the whole mold can be pushed to move by the U-shaped push plate, and gradually move away from the lower plate and the upper plate within a certain range. This makes the process of taking out the product from the mold not be hindered by the lower plate and the upper plate, and further improves the working efficiency of the molding machine main body by improving the efficiency of taking out the parts. Description of the drawings

[0015] The drawings described herein are used to provide a further understanding of the utility model, and constitute a part of this application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation to the utility model. In the drawings:

[0016] Figure 1 is the three-dimensional view of the utility model;

[0017] Figure 2 is the three-dimensional view of the molding machine main body in the utility model;

[0018] Figure 3 is the three-dimensional view of the push plate assembly in the utility model;

[0019] Figure 4 is the three-dimensional view of the mold base in the utility model;

[0020] Figure 5It is a three-dimensional view of the disassembly of the push plate assembly in the present utility model;

[0021] Legend Explanation:

[0022] 1. Forming machine main body; 11. Lower plate; 2. Push plate assembly; 12. Mold track; 3. Mold base; 31. Fitting groove; 13. Upper plate; 21. Slide groove base; 22. Push plate connecting rod; 221. Fitting shaft rod; 23. Lifting frame; 211. Straight groove opening; 212. Limit strip rail; 24. Limit slider; 241. Clamping sleeve; 25. U-shaped push plate; 32. Linkage bracket; 251. Through hole; 26. Linkage pin. Specific Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0024] The following gives specific embodiments.

[0025] Please refer to Figure 1 - Figure 5 , the present utility model provides a hot pressing forming machine, including a forming machine main body 1. A lower plate 11 is installed inside the forming machine main body 1. Push plate assemblies 2 are symmetrically arranged on both sides of the lower plate 11. Mold tracks 12 are symmetrically fixedly connected to the top surface of the lower plate 11. A mold base 3 is arranged above the lower plate 11. Fitting grooves 31 are symmetrically opened on the bottom surface of the mold base 3. The fitting grooves 31 are slidably installed between the outer walls of the mold tracks 12. An upper plate 13 is arranged above the mold base 3. The lower plate 11 to which the forming machine main body 1 belongs installs the mold base 3 through the mutual cooperation between the upper plate 13 and the fitting grooves 31, so that the mold base 3 can be removed along the mold tracks 12 from between the push plate assembly 2 and the mold base 3. The mold is installed above the mold base 3, and after docking with the bottom surface of the upper plate 13, the parts are formed in the mold under the heating and pressurization of the lower plate 11 and the mold tracks 12. Among them, the parts belonging to the push plate assembly 2 can push the mold base 3 out when the upper plate 13 rises and push the mold base 3 back to its original position when the upper plate 13 descends through the cooperation with the upper plate 13;

[0026] As Figure 2 and Figure 3As shown in the figure, the push plate assembly 2 includes a chute base 21, which is installed on the inner bottom surface of the molding machine main body 1. Above the chute base 21, there is a push plate connecting rod 22. At both ends of the push plate connecting rod 22, there are fitted shaft rods 221. One of the fitted shaft rods 221 is slidably installed inside the chute base 21, and the other fitted shaft rod 221 is externally clamped with a lifting frame 23. The lifting frame 23 is fixedly connected to the bottom surface of the upper plate 13. The linkage between the chute base 21 fixed inside the molding machine main body 1 and the fitted shaft rod 221 at one end of the push plate connecting rod 22, and the linkage between the fitted shaft rod 221 at the other end of the push plate connecting rod 22 and the upper plate 13 with the cooperation of the lifting frame 23 enable the up and down movement of the upper plate 13 to control the movement of the fitted shaft rod 221 inside the chute base 21. During the up and down movement of the lifting frame 23, the relative angle between the chute base 21 and the push plate connecting rod 22 always remains greater than 90 degrees, preventing the push plate connecting rod 22 from being lifted out of the chute base 21 during the upward movement of the upper plate 13 and ensuring that the up and down movement of the upper plate 13 can drive the fitted shaft rod 221 at one end of the push plate connecting rod 22 to reciprocate inside the chute base 21;

[0027] As Figure 3 and Figure 5 shown in the figure, on the adjacent side walls of the two chute bases 21, there are straight groove openings 211. One end shafts of the two push plate connecting rods 22 respectively extend to the outside of the chute base 21 through the straight groove openings 211. Below the adjacent side walls of the two chute bases 21, there are limit strip rails 212. Inside the inner walls of the limit strip rails 212, there is a limit slider 24 slidably installed. At the top of the limit slider 24, there is a clamping sleeve 241, which is sleeved on the outer walls of the push plate shafts. At the rear of the mold base 3, there is a U-shaped push plate 25. The two ends of the U-shaped push plate 25 are respectively fixedly connected to the outer walls of the two clamping sleeves 241. The chute base 21 installs the limit slider 24 through the limit strip rails 212, and the limit slider 24 is sleeved with the fitted shaft rod 221 extending out of the chute base 21 through the straight groove openings 211 through the clamping sleeve 241, and the U-shaped push plate 25 is installed between the outer walls of the limit sliders 24, which enables the U-shaped push plate 25 to reciprocate following the fitted shaft rod 221;

[0028] As Figure 3 , Figure 4 and Figure 5 shown in the figure, at the center of the rear wall of the mold base 3, there is a linkage bracket 32 fixedly connected. At the center of the top surface of the U-shaped push plate 25, there is a through hole 251. Between the through hole 251 and the linkage bracket 32, there is a linkage pin 26, and the linkage pin 26 penetrates through the through hole 251 and the linkage bracket 32, enabling the mold base 3 to reciprocate following the fitted shaft rod 221, the limit slider 24, and the U-shaped push plate 25, realizing the pushing and pulling movement of the push plate assembly 2 on the mold base 3;

[0029] Working principle: The lower plate 11 of the main body 1 of the molding machine installs the mold base 3 through the mutual cooperation between the upper plate 13 and the fitting groove 31, enabling the mold base 3 to be removed from between the push plate assembly 2 and the mold base 3 along the mold track 12. The mold is installed above the mold base 3, and after docking with the bottom surface of the upper plate 13, the parts are formed in the mold under the heating and pressure of the lower plate 11 and the mold track 12. Among them, the parts of the push plate assembly 2 can, through cooperation with the upper plate 13, push out the mold base 3 when the upper plate 13 rises and push the mold base 3 back to its original position when the upper plate 13 descends. The linkage between the chute base 21 fixed inside the main body 1 of the molding machine and the fitting shaft rod 221 at one end of the push plate link 22, and the fitting shaft rod 221 at the other end of the push plate link 22 is linked with the upper plate 13 under the cooperation of the lifting frame 23, enabling the up and down movement of the upper plate 13 to control the movement of the fitting shaft rod 221 inside the chute base 21. The chute base 21 installs the limit slider 24 through the limit strip rail 212, and the limit slider 24 is sleeved with the fitting shaft rod 221 extending out of the chute base 21 through the straight groove opening 211 through the clamping sleeve 241. The U-shaped push plate 25 is installed between the outer walls of the limit slider 24, which enables the U-shaped push plate 25 to reciprocate following the fitting shaft rod 221. The linkage pin 26 passes through the through hole 251 and the linkage bracket 32, enabling the mold base 3 to reciprocate following the fitting shaft rod 221, the limit slider 24, and the U-shaped push plate 25, realizing the pushing and pulling movement of the push plate assembly 2 on the mold base 3.

[0030] The above shows and describes the basic principle, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A thermoforming machine, characterized in that: The molding machine comprises a molding machine body (1), wherein a lower plate (11) is installed inside the molding machine body (1), push plate assemblies (2) are symmetrically arranged on both sides of the lower plate (11), a mold track (12) is symmetrically fixedly connected to the top surface of the lower plate (11), a mold base (3) is arranged above the lower plate (11), a fitting groove (31) is symmetrically opened on the bottom surface of the mold base (3), and the fitting groove (31) is slidably installed between the outer walls of the mold track (12), and an upper plate (13) is arranged above the mold base (3).

2. A thermoforming machine according to claim 1, characterized in that: The push plate assembly (2) includes a slide groove base (21), the slide groove base (21) is installed on the inner bottom surface of the molding machine body (1), and a push plate connecting rod (22) is arranged above the slide groove base (21), and both ends of the push plate connecting rod (22) are fixedly connected with a matching shaft rod (221), one of the matching shaft rods (221) is slidably installed inside the slide groove base (21), and the other matching shaft rod (221) is externally clamped with a hanging frame (23), and the hanging frame (23) is fixedly connected to the bottom surface of the upper plate (13).

3. A thermoforming machine according to claim 2, characterized in that: Adjacent side walls of the two slide slot bases (21) are each provided with a straight slot opening (211), and shafts at one end of the two push plate connecting rods (22) extend to the outside of the slide slot base (21) through the straight slot opening (211).

4. A thermoforming machine according to claim 3, characterized in that: Limiting rails (212) are provided below adjacent side walls of the two slide groove bases (21), and a limiting slider (24) is slidably installed between the inner walls of the limiting rails (212). A clamping sleeve (241) is fixedly connected to the top of the limiting slider (24), and the clamping sleeve (241) is sleeved between the outer walls of the push plate shaft.

5. A thermoforming machine according to claim 4, characterized in that: A U-shaped push plate (25) is installed at the rear of the mold base (3), and two ends of the U-shaped push plate (25) are respectively fixedly connected to the outer walls of the two clamping sleeves (241).

6. A thermoforming machine according to claim 1, characterized in that: A linkage bracket (32) is fixedly connected to the center of the rear wall of the mold base (3).

7. A thermoforming machine according to claim 5, characterized in that: A through hole (251) is provided at the center of the top surface of the U-shaped push plate (25), and a linkage pin (26) is clamped between the through hole (251) and the linkage bracket (32).

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