Plastic compression molding machine with cooling structure

Abstract

The utility model relates to a plastic compression molding machine with a cooling structure in the technical field of plastic compression molding machines. The plastic compression molding machine comprises a compression molding machine. By arranging a cooling opening, a cooling box, an air blower, an air supply pipe, a radiator, a semiconductor chilling plate, a copper sheet and an induced draft fan, air in the cooling box can be refrigerated, then the air blower is used for blowing air into the cooling box, the air enters the cooling box from the bottom face of the cooling box, and the air above is surged upwards and fused with internal low temperature at the same time; with the cooperative use of the radiator, the semiconductor chilling plate, the copper sheet, the draft fan and the air blower, the cooling box has the effects of blowing air upwards and ensuring low air outlet temperature, so that the cooling port has cold air output, after air is output from the cooling port, air can be blown to the middle of the side face of a product, cooling can be diffused from the middle to the upper side face and the lower side face, and the product quality is improved. And therefore, the condition that only the bottom surface of the product is cooled can be avoided, and the condition that the top surface is adhered and is difficult to shovel off is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic compression molding machines, in particular to a plastic compression molding machine with a cooling structure. Background Art

[0002] A compression molding machine is a machine that heats and softens materials such as plastics or rubbers and then shapes them into the required shapes by pressure. It can process raw materials into various shaped products, such as plastic films, plastic pipes, plastic sheets, plastic products, etc.

[0003] When the existing compression molding machine is in use, the pressing plate at the pressing head is in a heated high-temperature state, which can perform high-temperature compression molding on plastic products. At the same time, the high temperature of the pressing plate will also cause the plastic products to be pressed to adhere to the surface of the pressing plate. Currently, for the products adhering to the surface of the pressing plate, workers will use a scraper to shovel the products along the surface of the pressing plate, but this consumes a large amount of manpower, thereby reducing work efficiency. Therefore, some compression molding machines are equipped with cooling devices. However, the existing cooling devices are generally installed below the pressing groove to facilitate the rapid cooling and demolding of products. However, the focus of cooling is on the bottom surface of the product. Although it facilitates demolding, there will still be a situation of top surface adhesion. For this reason, we propose a plastic compression molding machine with a cooling structure. Content of the Utility Model

[0004] In view of the above problems, the utility model provides a plastic compression molding machine with a cooling structure, which has the effect of further improving the practicality of the cooling structure of the compression molding machine.

[0005] The technical solution of the utility model is as follows:

[0006] A plastic compression molding machine with a cooling structure includes a compression molding machine. The upper surface of the compression molding machine is provided with a pressing plate. The bottom surface of the pressing plate is provided with a pressing groove located on the surface of the compression molding machine, and the pressing plate and the pressing groove are used in cooperation. A plurality of equally spaced cooling openings are opened on both sides of the inner wall of the pressing groove, and the cooling openings are located in the middle of the inner wall of the pressing groove. Cooling boxes are fixedly installed on the outer walls on both sides of the compression molding machine. Installation openings are opened on the opposite surfaces of the two cooling boxes. A refrigeration component is provided on the inner wall of the installation opening. A sealing cover is inserted into the top surface of the cooling box. An air blowing opening is opened on the outer surface of one end of the cooling box, and the air blowing opening is located at the bottom of the inner wall of the cooling box and is lower than the refrigeration component. A blower is communicated with the opening of the air blowing opening. An L-shaped metal seat is fixedly connected between the bottom surface of the blower and the bottom surface of the cooling box, and the air blowing end of the blower is located inside the inner wall of the air blowing opening. Connection openings equal to the cooling openings are opened on the top surface of the sealing cover. A ventilation pipe is communicated between each pair of opposite connection openings and cooling openings.

[0007] In a further technical solution, the refrigeration component includes a radiator, a thermoelectric cooler, a copper sheet, and an exhaust fan. The radiator is inserted into an opening on one side inside the cooling box, with the heat absorption surface of the radiator facing the inside of the cooling box. The heat dissipation surface of the radiator is fixedly connected to the heat absorption surface of the thermoelectric cooler through thermal grease. The heat dissipation surface of the thermoelectric cooler is fixedly connected to the copper sheet through thermal grease. Two exhaust fans are fixedly installed on the heat dissipation surface of the thermoelectric cooler, and the exhaust ends of the exhaust fans cover the outer surface of one end of the copper sheet away from the thermoelectric cooler.

[0008] In a further technical solution, a dust-proof net is fixedly installed at one end of the cooling port facing the inner wall of the pressing groove, and the dust-proof net is made of stainless steel.

[0009] In a further technical solution, a sealing ring is fixedly installed on the outer surface of one end of the air supply pipe away from the cooling port, and a sealing groove is formed on the inner wall of the connection port, and the sealing ring and the sealing groove are used in cooperation.

[0010] In a further technical solution, a socket is formed at one end of the exhaust fan facing the copper sheet, and the end of the copper sheet is embedded in the inner wall of the socket.

[0011] In a further technical solution, a positioning frame is fixedly installed on the outer surface of the radiator, and the area of the positioning frame is larger than the opening area of the installation port, and the positioning frame is fixed on the inner wall of the cooling box.

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

[0013] By providing a cooling port, a cooling box, a blower, an air supply pipe, a radiator, a thermoelectric cooler, a copper sheet, and an exhaust fan, the air inside the cooling box can be refrigerated by the radiator, the thermoelectric cooler, the copper sheet, and the exhaust fan. Then, the blower located below the positions of the radiator, the thermoelectric cooler, the copper sheet, and the exhaust fan blows air into the cooling box. The air enters from the bottom surface of the inner wall of the cooling box, causing the air above to surge upward and simultaneously merge with the low temperature inside. With the coordinated use of the radiator, the thermoelectric cooler, the copper sheet, the exhaust fan, and the blower, the cooling box has the effect of blowing air upward while ensuring a low outlet air temperature. In this way, the cooling port located in the middle of the inner wall of the pressing groove can output cold air. When the air is output from the cooling port, it can blow on the middle part of the side surface of the product, and the cooling will spread from the middle to the upper and lower side surfaces, thereby improving the cooling practicability and avoiding the situation where only the bottom surface of the product is cooled and the top surface adheres and is difficult to scrape off. Description of the Drawings

[0014] Figure 1 is the overall structural schematic diagram of an embodiment of the present utility model;

[0015] Figure 2It is a schematic assembly structure diagram of the cooling box in the embodiment of the present utility model;

[0016] Figure 3 It is a schematic assembly structure diagram of the positioning frame and the radiator in the embodiment of the present utility model;

[0017] Figure 4 It is a schematic structure diagram of the socket in the embodiment of the present utility model;

[0018] Figure 5 It is the embodiment of the present utility model Figure 2 The enlarged structure diagram of part A in it.

[0019] Explanation of the reference numerals:

[0020] 1. Compression molding machine; 2. Pressure plate; 3. Pressure groove; 4. Cooling port; 5. Cooling box; 6. Sealing cover; 7. Air blowing port; 8. Blower; 9. Connection port; 10. Air supply pipe; 11. Dust-proof net; 12. Sealing ring; 13. Sealing groove; 14. Installation port; 15. Positioning frame; 16. Radiator; 17. Semiconductor refrigeration chip; 18. Copper sheet; 19. Exhaust fan; 20. Socket; 21. Metal seat. Specific implementation mode

[0021] The embodiments of the present utility model will be further described below with reference to the drawings.

[0022] Embodiment:

[0023] As Figures 1-5As shown in the figure, a plastic compression molding machine with a cooling structure includes a compression molding machine 1. A pressure plate 2 is provided on the upper surface of the compression molding machine 1. A pressure groove 3 located on the surface of the compression molding machine 1 is provided on the bottom surface of the pressure plate 2, and the pressure plate 2 and the pressure groove 3 are used in cooperation. A number of equally spaced cooling ports 4 are opened on both sides of the inner wall of the pressure groove 3, and the cooling ports 4 are located in the middle of the inner wall of the pressure groove 3. A dust-proof net 11 is fixedly installed at one end of the cooling port 4 facing the inner wall of the pressure groove 3, and the dust-proof net 11 is made of stainless steel, which can prevent dust from being blown from the cooling port 4 onto the products inside the pressure groove 3. At the same time, the stainless steel material can withstand high temperatures and improve the service life. Cooling boxes 5 are fixedly installed on the outer walls on both sides of the compression molding machine 1. Three equally spaced installation ports 14 are opened on the opposite surfaces of the two cooling boxes 5. A radiator 16 is inserted into the opening on one side of the installation port 14 inside the cooling box 5. A positioning frame 15 is fixedly installed on the outer surface of the radiator 16, and the area of the positioning frame 15 is larger than the opening area of the installation port 14, and the positioning frame 15 is fixed on the inner wall of the cooling box 5. The heat absorption surface of the radiator 16 faces the inside of the cooling box 5. The heat dissipation surface of the radiator 16 is fixedly connected to the heat absorption surface of a thermoelectric cooler 17 through thermal conductive silicone grease. The heat dissipation surface of the thermoelectric cooler 17 is fixedly connected to a copper sheet 18 through thermal conductive silicone grease. Two exhaust fans 19 are fixedly installed on the heat dissipation surface of the thermoelectric cooler 17. A socket 20 is opened at one end of the exhaust fan 19 facing the copper sheet 18, and the end of the copper sheet 18 is embedded in the inner wall of the socket 20. By setting the positioning frame 15 to be connected to the outer surface of the radiator 16, when the radiator 16, the thermoelectric cooler 17, the copper sheet 18, and the exhaust fans 19 are installed on the inner wall of the installation port 14, it can have the effect of convenient positioning. At the same time, the setting of the three installation ports 14 can make there be three refrigeration parts, improving the refrigeration efficiency. A sealing cover 6 is inserted into the top surface of the cooling box 5. An air outlet 7 is opened on the outer surface of one end of the cooling box 5, and the air outlet 7 is located at the bottom of the inner wall of the cooling box 5 and is lower than the refrigeration components. A blower 8 is communicated with the opening of the air outlet 7, which can blow the low temperature inside the cooling box 5, and the installation of one blower 8 will not cause the low temperature inside the cooling box 5 to be neutralized. An L-shaped metal seat 21 is fixedly connected between the bottom surface of the blower 8 and the bottom surface of the cooling box 5, and the blowing end of the blower 8 is located inside the inner wall of the air outlet 7. A connection port 9 equivalent to the cooling port 4 is opened on the top surface of the sealing cover 6. An air delivery pipe 10 is communicated between each pair of corresponding connection port 9 and cooling port 4. A sealing ring 12 is fixedly installed on the outer surface of the end of the air delivery pipe 10 away from the cooling port 4. A sealing groove 13 is opened on the inner wall of the connection port 9, and the sealing ring 12 and the sealing groove 13 are used in cooperation. By setting the sealing ring 12 and the sealing groove 13, the connection between the air delivery pipe 10 and the cooling box 5 can be made airtight, maintaining the sealed environment of air transportation.

[0024] The working principle of the above technical solution is as follows:

[0025] When using this device to compress and mold products, it is necessary to first drive the exhaust fan 19 for preliminary heat extraction. Let the exhaust fan 19 draw air towards the heat dissipation surfaces of the copper sheet 18, the semiconductor refrigeration sheet 17, and the radiator 16. During this process, the heat absorption surface of the radiator 16 adsorbs the heat inside the cooling box 5 on its surface, and then the heat is guided to the semiconductor refrigeration sheet 17 by the thermal conductive silicone grease between the heat dissipation surface and the heat absorption surface of the semiconductor refrigeration sheet 17. Subsequently, the semiconductor refrigeration sheet 17 conducts the heat to the surface of the copper sheet 18 in the same way, and then the air extraction end of the exhaust fan 19 will extract the heat concentrated on the surface of the copper sheet 18. As the compression molding of the compression molding machine 1 is completed, the temperature inside the cooling box 5 will gradually decrease. When the pressure plate 2 needs to move upward away from the inner wall of the compression groove 3, the blower 8 is driven to blow air. At this time, the air will be pushed upward from the bottom of the cooling box 5, and the low temperature inside the cooling box 5 will be blown into the groove of the compression groove 3 through the air supply pipe 10, thereby enabling the product located inside the compression groove 3 to be quickly cooled from both sides. When the two sides of the product are cooled, the situation of thermal adhesion will start to separate from both sides. As the cooling air is continuously sent out from the cooling port 4, the cooling effect can spread from both sides to the middle of the product until the product is completely cooled. At this time, it can be directly separated from the pressure plate 2.

[0026] The above embodiments only express the specific implementation manners of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. A plastic compression molding machine with a cooling structure, comprising a compression molding machine (1), wherein a pressing plate (2) is provided on the upper surface of the compression molding machine (1), a pressing groove (3) located on the surface of the compression molding machine (1) is provided on the bottom surface of the pressing plate (2), and the pressing plate (2) and the pressing groove (3) are used in cooperation, and it is characterized in that: On both sides of the inner wall of the groove (3), a number of cooling ports (4) are equidistantly arranged, and the cooling ports (4) are located in the middle of the inner wall of the groove (3). On the outer walls on both sides of the press (1), cooling boxes (5) are fixedly installed. On the opposite sides of the two cooling boxes (5), installation ports (14) are provided. A refrigeration component is provided on the inner wall of the installation port (14). A sealing cover (6) is inserted into the top surface of the cooling box (5). An air outlet (7) is provided on the outer surface of one end of the cooling box (5), and the air outlet (7) is located at the bottom of the inner wall of the cooling box (5) and is lower than the refrigeration component. A blower (8) is communicated with the opening of the air outlet (7). A metal seat (21) in the shape of an L is fixedly connected between the bottom surface of the blower (8) and the bottom surface of the cooling box (5), and the blowing end of the blower (8) is located in the inner wall of the air outlet (7). A connection port (9) corresponding to the cooling port (4) is provided on the top surface of the sealing cover (6). A air supply pipe (10) is communicated between each pair of opposite connection ports (9) and cooling ports (4).

2. The plastic compression molding machine with a cooling structure according to claim 1, characterized in that: The refrigeration component includes a radiator (16), a semiconductor refrigeration sheet (17), a copper sheet (18), and an exhaust fan (19). The radiator (16) is inserted into the opening on one side of the installation port (14) inside the cooling box (5). The heat absorption surface of the radiator (16) faces the inside of the cooling box (5). The heat dissipation surface of the radiator (16) is fixedly connected to the heat absorption surface of the semiconductor refrigeration sheet (17) through thermal grease. The heat dissipation surface of the semiconductor refrigeration sheet (17) is fixedly connected to the copper sheet (18) through thermal grease. Two exhaust fans (19) are fixedly installed on the heat dissipation surface of the semiconductor refrigeration sheet (17), and the exhaust ends of the exhaust fans (19) cover the outer surface of the end of the copper sheet (18) away from the semiconductor refrigeration sheet (17).

3. A plastic compression molding machine with a cooling structure according to claim 1, characterized in that: A dust-proof net (11) is fixedly installed at the end of the cooling port (4) facing the inner wall of the groove (3), and the dust-proof net (11) is made of stainless steel.

4. A plastic compression molding machine with a cooling structure according to claim 1, characterized in that: A sealing ring (12) is fixedly installed on the outer surface of the end of the air supply pipe (10) away from the cooling port (4). A sealing groove (13) is provided on the inner wall of the connection port (9), and the sealing ring (12) and the sealing groove (13) are used in cooperation.

5. The plastic compression molding machine with a cooling structure according to claim 2, characterized in that: A socket (20) is provided at the end of the exhaust fan (19) facing the copper sheet (18), and the end of the copper sheet (18) is embedded in the inner wall of the socket (20).

6. A plastic compression molding machine with a cooling structure according to claim 2, characterized in that: A positioning frame (15) is fixedly installed on the outer surface of the radiator (16), and the area of the positioning frame (15) is larger than the opening area of the installation port (14), and the positioning frame (15) is fixed on the inner wall of the cooling box (5).

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