Plastic product forming machine

Abstract

The utility model relates to the technical field of plastic product production, and discloses a plastic product forming machine which comprises a working table, a lower mold and an upper mold, a rack is fixedly installed at the top of the working table, a rapid temperature control mechanism is arranged at the top of the working table and the top of the rack, and the rapid temperature control mechanism comprises a hollow base. The hollow base is fixedly installed on the top of the rack, and a copper bottom plate is fixedly installed on the top of the hollow base. Through the design of the barrel-shaped fan, the barrel-shaped fan is controlled to work, the second electromagnetic valve pipe is started at the same time, air filtered by the filter barrel can be extracted, the air flows through an inner cavity of the heat pipe, meanwhile, through the design of the heating wire, the air can be heated, hot air flows through the interior of the airflow cavity, and therefore the air is heated. And through heat transfer of the copper bottom plate, the function of heating the lower mold is achieved, and the problem that the working efficiency of an operator is affected when an external heating device is used for carrying out heat recovery treatment on the lower mold is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product production, in particular to a plastic product forming machine. Background Art

[0002] Plastic products are a general term for daily and industrial products made from plastic as the main raw material, including products made from all processes such as injection molding and blister molding. Plastic is a type of synthetic polymer material with plasticity. Together with synthetic rubber and synthetic fiber, it forms the three major synthetic materials that are indispensable in daily life. Specifically, plastic is made of natural or synthetic resin as the main component, with various additives added, and can be molded into a certain shape under certain conditions of temperature and pressure.

[0003] A Chinese patent discloses a thermoforming machine for anti-shake plastic products, with publication number CN213055961U. The technical solution disclosed in the patent document is as follows: it includes a base, a column, a top seat, a hydraulic cylinder, a mold cover and a mold. There are four columns, and the columns are respectively fixed at the four corners of the upper end of the base. The top seat is fixed at the upper end of the column, and the hydraulic cylinder is installed at the upper end of the top seat.

[0004] In order to solve the problem of poor cooling effect of existing molds, the existing technology adopts a method of designing a water pump, a water pump pipe and a water tank to deal with it. However, there is still a situation where the mold cannot be reheated. The structure realizes the function of water cooling the mold through the work of components such as the water pump. After the plastic product is taken out, the temperature of the mold is low. If continuous plastic product molding processing is required, the operator needs to use an external heating device to heat the mold to increase the mold temperature to facilitate the hot pressing molding work, which leads to the problem that the efficiency will be affected in the continuous production process of plastic products. Utility Model Content

[0005] The purpose of the utility model is to provide a plastic product forming machine to solve the problem in the prior art that the efficiency of plastic products is affected during continuous forming processing.

[0006] The utility model provides the following technical solution: a plastic product molding machine, comprising a workbench, a lower mold and an upper mold, the top of the workbench is fixedly installed with a frame, the top of the workbench and the frame are provided with a rapid temperature control mechanism, the rapid temperature control mechanism comprises a hollow base, the hollow base is fixedly installed on the top of the frame, the top of the hollow base is fixedly installed with a copper bottom plate, the lower mold is detachably connected to the top of the copper bottom plate, the left side of the hollow base is fixedly connected with an air intake pipe, the end of the air intake pipe away from the hollow base is fixedly connected with a cylindrical fan, the bottom of the cylindrical fan is fixedly connected with a hollow diverter plate, the bottom of the hollow diverter plate is fixedly connected with an electromagnetic valve tube 2, the end of the electromagnetic valve tube 2 away from the hollow diverter plate is fixedly connected with a heat pipe, the inner wall of the heat pipe is fixedly installed with an electric heating wire, and the heat pipe is fixedly installed on the top of the workbench.

[0007] As a preferred embodiment of the above technical solution, the bottom of the hollow diverter disk is fixedly connected to an electromagnetic valve tube 1, the end of the electromagnetic valve tube 1 away from the hollow diverter disk is fixedly connected to a cold pipe, a semiconductor refrigerator is fixedly installed on the side of the cold pipe, and the ends of the cold pipe and the hot pipe away from each other are movably connected to filter cartridges.

[0008] As a preferred embodiment of the above technical solution, an airflow cavity is opened inside the hollow base, a guide plate is fixedly installed on the inner wall of the airflow cavity, and a one-way valve is fixedly connected to the right side of the hollow base.

[0009] As a preferred embodiment of the above technical solution, a vertical plate seat is fixedly installed on the top of the workbench, a support platform is fixedly installed on the front of the vertical plate seat, and a hydraulic cylinder is fixedly installed on the top of the support platform.

[0010] As a preferred embodiment of the above technical solution, the telescopic end of the hydraulic cylinder extends to the bottom of the support platform and is fixedly connected to a connecting seat, and the upper mold is detachably connected to the bottom of the connecting seat.

[0011] As a preferred embodiment of the above technical solution, a limiting rod is slidably connected to the inner wall of the support platform, an internal thread ring is fixedly installed on the top of the upper mold, and the bottom of the limiting rod is threadedly connected to the inner wall of the internal thread ring.

[0012] As a preferred embodiment of the above technical solution, a protruding block is fixedly installed on the top of the upper mold, and a groove that fits with the protruding block is opened at the center of the bottom of the connecting seat, and the protruding block is movably inserted in the inner cavity of the groove.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model adopts the design of a cylindrical fan to control its operation and open the electromagnetic valve pipe 2 at the same time, so as to extract the air filtered by the filter cartridge, and the air will then flow through the inner cavity of the heat pipe. At the same time, the design of the electric heating wire can heat the air, and the hot air will then flow through the inside of the air flow cavity. The heat transfer of the copper bottom plate can realize the function of heating the lower mold, avoiding the problem that the operator's work efficiency will be affected by the heat treatment of the lower mold by using an external heating device, thereby improving the practicality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the hollow base of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-section structure of the heat pipe of the present invention;

[0018] Figure 4 This is a schematic diagram of the separation structure of the upper mold and the connecting seat of the utility model.

[0019] In the figure: 1. Workbench; 11. Frame; 12. Lower mold; 13. Vertical plate base; 14. Support platform; 15. Hydraulic cylinder; 16. Limit rod; 17. Connecting seat; 18. Upper mold; 181. Internal thread ring; 182. Raised block; 2. Rapid temperature control mechanism; 21. Hollow base; 211. Air flow cavity; 212. Guide plate; 213. One-way valve; 214. Inlet pipe; 22. Copper bottom plate; 23. Cold pipe; 231. Semiconductor refrigerator; 24. Heat pipe; 241. Heating wire; 25. Solenoid valve tube 1; 251. Solenoid valve tube 2; 26. Hollow diverter plate; 27. Cylindrical fan; 28. Filter cartridge. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] like Figure 1-Figure 4As shown, the utility model provides a technical solution: a plastic product molding machine, including a workbench 1, a lower mold 12 and an upper mold 18, the top of the workbench 1 is fixedly installed with a frame 11, the top of the workbench 1 and the frame 11 are provided with a rapid temperature control mechanism 2, the rapid temperature control mechanism 2 includes a hollow base 21, the hollow base 21 is fixedly installed on the top of the frame 11, the top of the hollow base 21 is fixedly installed with a copper bottom plate 22, the lower mold 12 is detachably connected to the top of the copper bottom plate 22, the left side of the hollow base 21 is fixedly connected with an air intake pipe 214, the end of the air intake pipe 214 away from the hollow base 21 is fixedly connected with a cylindrical fan 27, the bottom of the cylindrical fan 27 is fixedly connected with a hollow diverter plate 26, the bottom of the hollow diverter plate 26 is fixedly connected with an electromagnetic valve pipe 251, the electromagnetic The end of the magnetic valve tube 251 away from the hollow diverter plate 26 is fixedly connected to the heat pipe 24, and the inner wall of the heat pipe 24 is fixedly installed with an electric heating wire 241. The heat pipe 24 is fixedly installed on the top of the workbench 1. The cylindrical fan 27 is controlled to work and the electromagnetic valve tube 251 is opened at the same time to extract the outside air filtered by the filter cylinder 28. The air will then flow through the inner cavity of the heat pipe 24. At the same time, the electric heating wire 241 is controlled to be energized to heat the air. The hot air will then flow through the inside of the air flow cavity 211 and heat the lower mold 12 through the heat transfer of the copper bottom plate 22. The function of heating the lower mold 12 is realized, and the function of automatically reheating the lower mold 12 is realized. The operator can perform other operations at this time to improve the overall production efficiency. The lower mold 12 is mounted on the top of the copper bottom plate 22 by bolts.

[0022] As an implementation method in this embodiment, Figure 1-Figure 3 As shown, the bottom of the hollow diverter plate 26 is fixedly connected to the electromagnetic valve tube 25, and the end of the electromagnetic valve tube 25 away from the hollow diverter plate 26 is fixedly connected to the cold pipe 23. A semiconductor refrigerator 231 is fixedly installed on the side of the cold pipe 23. The ends of the cold pipe 23 and the heat pipe 24 away from each other are movably connected with a filter cartridge 28. An air flow cavity 211 is opened inside the hollow base 21, and a guide plate 212 is fixedly installed on the inner wall of the air flow cavity 211. A one-way valve 213 is fixedly connected to the right side of the hollow base 21. The semiconductor refrigerator 231 is an existing structure. The cold end of the body refrigerator 231 is attached to the outer wall of the cold pipe 23, and the cylindrical fan 27 is controlled to work and the solenoid valve tube 25 is opened at the same time. The air will flow through the inner cavity of the cold pipe 23, and the semiconductor refrigerator 231 is controlled to work to cool the air. The low-temperature air will flow through the air flow cavity 211 to complete the rapid cooling of the lower mold 12 and the plastic products inside it. The one-way valve 213 is an existing structure, which can be opened when the cylindrical fan 27 is running to exhaust, so as to avoid the problem of external dust entering the air flow cavity 211 when this structure is idle.

[0023] As an implementation method in this embodiment, Figure 1 、 Figure 4 As shown, a vertical plate seat 13 is fixedly installed on the top of the workbench 1, a support platform 14 is fixedly installed on the front of the vertical plate seat 13, a hydraulic cylinder 15 is fixedly installed on the top of the support platform 14, the telescopic end of the hydraulic cylinder 15 extends to the bottom of the support platform 14 and is fixedly connected to the connecting seat 17, the upper mold 18 is detachably connected to the bottom of the connecting seat 17, a limiting rod 16 is slidably connected to the inner wall of the support platform 14, an internal threaded ring 181 is fixedly installed on the top of the upper mold 18, the bottom of the limiting rod 16 is threadedly connected to the inner wall of the internal threaded ring 181, a raised block 182 is fixedly installed on the top of the upper mold 18, and the connecting seat 1 A groove that fits with the raised block 182 is provided at the center of the bottom of 7. The raised block 182 is movably inserted into the inner cavity of the groove to control the extension of the hydraulic cylinder 15, which can drive the upper mold 18 to move downward and perform hot pressing on the plastic product inside the lower mold 12. During the extension and retraction of the hydraulic cylinder 15, the limit rod 16 slides synchronously to increase the stability of the upper mold 18. The design of the internal threaded ring 181 makes the limit rod 16 and the upper mold 18 detachably connected. The design of the connecting seat 17 makes the telescopic end of the hydraulic cylinder 15 detachably connected to the upper mold 18, which is convenient for users to replace different upper molds 18.

[0024] Working principle: When in use, the plastic blank is placed in the lower mold 12, the hydraulic cylinder 15 is controlled to extend, and the upper mold 18 is driven to move downward, and the plastic product inside the lower mold 12 is hot-pressed and formed. Then, the cylindrical fan 27 is controlled to work and the solenoid valve tube 25 is opened at the same time, and the semiconductor refrigerator 231 is controlled to work so that low-temperature air flows through the air flow cavity 211 to complete the rapid cooling of the lower mold 12 and the plastic product inside it. After the plastic product is taken out, if continuous production is required, the cylindrical fan 27 is controlled to work and the solenoid valve tube 2 251 is opened at the same time, and the heating wire 241 is controlled to be energized so that the hot air flows through the inside of the air flow cavity 211 to complete the heat recovery treatment of the lower mold 12.

[0025] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A plastic product molding machine, comprising a workbench (1), a lower mold (12) and an upper mold (18), wherein a frame (11) is fixedly mounted on the top of the workbench (1), characterized in that: A rapid temperature control mechanism (2) is provided on the top of the workbench (1) and the frame (11). The rapid temperature control mechanism (2) comprises a hollow base (21). The hollow base (21) is fixedly mounted on the top of the frame (11). A copper bottom plate (22) is fixedly mounted on the top of the hollow base (21). The lower mold (12) is detachably connected to the top of the copper bottom plate (22). An air intake pipe (214) is fixedly connected to the left side of the hollow base (21). The air intake pipe (214) is remotely connected to the workbench (1) and the frame (11). A cylindrical fan (27) is fixedly connected to one end away from the hollow base (21), a hollow diverter plate (26) is fixedly connected to the bottom of the cylindrical fan (27), a solenoid valve tube 2 (251) is fixedly connected to the bottom of the hollow diverter plate (26), a heat pipe (24) is fixedly connected to one end of the solenoid valve tube 2 (251) away from the hollow diverter plate (26), an electric heating wire (241) is fixedly mounted on the inner wall of the heat pipe (24), and the heat pipe (24) is fixedly mounted on the top of the workbench (1).

2. A plastic product forming machine according to claim 1, characterized in that: The bottom of the hollow diverter disc (26) is fixedly connected to a solenoid valve tube (25), and the end of the solenoid valve tube (25) away from the hollow diverter disc (26) is fixedly connected to a cold pipe (23), and a semiconductor refrigerator (231) is fixedly installed on the side of the cold pipe (23), and the ends of the cold pipe (23) and the heat pipe (24) away from each other are movably connected to a filter cartridge (28).

3. The plastic product forming machine according to claim 1, characterized in that: An airflow cavity (211) is provided inside the hollow base (21), a guide plate (212) is fixedly mounted on the inner wall of the airflow cavity (211), and a one-way valve (213) is fixedly connected to the right side of the hollow base (21).

4. A plastic product forming machine according to claim 1, characterized in that: A vertical plate seat (13) is fixedly mounted on the top of the workbench (1), a support platform (14) is fixedly mounted on the front of the vertical plate seat (13), and a hydraulic cylinder (15) is fixedly mounted on the top of the support platform (14).

5. A plastic product forming machine according to claim 4, characterized in that: The telescopic end of the hydraulic cylinder (15) extends to the bottom of the support platform (14) and is fixedly connected to a connecting seat (17), and the upper mold (18) is detachably connected to the bottom of the connecting seat (17).

6. A plastic product forming machine according to claim 5, characterized in that: A limiting rod (16) is slidably connected to the inner wall of the support platform (14), an internal thread ring (181) is fixedly installed on the top of the upper mold (18), and the bottom of the limiting rod (16) is threadedly connected to the inner wall of the internal thread ring (181).

7. A plastic product forming machine according to claim 6, characterized in that: A protruding block (182) is fixedly mounted on the top of the upper mold (18), and a groove that fits with the protruding block (182) is provided at the center of the bottom of the connecting seat (17), and the protruding block (182) is movably inserted into the inner cavity of the groove.

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