Forming device for two-component silicone rubber

Abstract

The utility model discloses a forming device for two-component silicone rubber, which relates to the technical field of forming devices and comprises an operation table, a mold is fixedly connected to the upper surface of the operation table, a partition plate is fixedly connected to the inside of the mold, and the inside of the mold is divided into a forming cavity and a control cavity by the partition plate. And the forming cavity is located above the control cavity, a top plate is arranged in the forming cavity in a sliding mode, a jacking cavity is formed between the top plate and the partition plate, the jacking cavity communicates with the control cavity through a second conveying channel, a spiral channel is formed in the wall body of the mold, and the spiral channel surrounds the outer side of the forming cavity. According to the forming device for the two-component silicone rubber, by arranging the spiral channel, the first conveying channel, the second conveying channel, the top plate and other structures, the effects of cooling and jacking demolding can be achieved at the same time, and the forming efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molding devices, in particular to a molding device for two-component silicone rubber. Background Art

[0002] Two-component silicone rubber, also known as RTV-2 silicone, can be divided into room temperature silicone and high temperature silicone. It is mainly used for mold making and potting.

[0003] In the prior art, during the use of a molding device for two-component silicone rubber, it is not convenient to quickly demold the molded rubber part, which affects the molding operation of the device on the rubber.

[0004] Therefore, it is necessary to propose a molding device for two-component silicone rubber to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a molding device for two-component silicone rubber, so as to solve the problem that the molding device for two-component silicone rubber is not convenient for quickly demoulding the molded rubber parts during use, which affects the molding processing operation of the device on the rubber.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a molding device for two-component silicone rubber, comprising an operating table, the upper surface of the operating table is fixedly connected to a mold, the interior of the mold is fixedly connected to a partition, the partition divides the interior of the mold into a molding cavity and a control cavity, the molding cavity is located above the control cavity, a top plate is slidably arranged inside the molding cavity, a lifting cavity is formed between the top plate and the partition, the lifting cavity is connected to the control cavity through a second conveying channel, a spiral channel is opened inside the wall of the mold, the spiral channel surrounds the outside of the molding cavity, the middle section of the second conveying channel is connected to the spiral channel through the first conveying channel, and a control component cooperating with the second conveying channel is arranged in the mold.

[0007] Preferably, the control assembly includes a first solenoid valve and a second solenoid valve, the first solenoid valve is fixedly installed inside the first delivery channel, and the second solenoid valve is fixedly installed on the top of the second delivery channel.

[0008] Preferably, the control assembly also includes a support plate, a pump body, a first liquid pipe and a second liquid pipe, the support plate is fixedly connected to the inner wall of the control chamber, the pump body is fixedly connected to the support plate, the pump body has a liquid outlet end and two liquid inlet ends, and control valves are installed on both liquid inlet ends, the liquid outlet end is connected to the second delivery channel, one of the liquid inlet ends is connected to the lifting chamber through the first liquid pipe, and the other liquid inlet end is connected to the control chamber through the second liquid pipe.

[0009] Preferably, the top end of the spiral channel is connected to the control chamber through a third liquid pipe.

[0010] Preferably, a cooling device is fixedly installed at the bottom of the control cavity.

[0011] Preferably, a bracket is fixedly connected to the upper surface of the operating table, an electric push rod is fixedly connected to the lower surface of the top of the bracket, a die is fixedly connected to the telescopic end of the electric push rod, and the die cooperates with the molding cavity.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model can achieve the effects of cooling and lifting and demoulding at the same time by arranging the spiral channel, the first conveying channel, the second conveying channel and the top plate, thereby improving the molding efficiency;

[0014] 2. The pump body transports the cooling liquid from the first delivery channel to the inside of the spiral channel. The liquid flows inside the spiral channel to cool the rubber parts and improve the molding efficiency. The liquid is transported back to the control chamber through the third liquid pipe to achieve recycling.

[0015] 3. The pump body transports the liquid from the second delivery channel to the inside of the lifting cavity, so that the top plate moves upward, so that the molded rubber part can be quickly separated from the mold, achieving the purpose of rapid demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a structural schematic diagram of a molding device for two-component silicone rubber from one perspective.

[0017] Figure 2 This is a schematic structural diagram of another viewing angle of the molding device for two-component silicone rubber of the utility model.

[0018] Figure 3 This is a schematic diagram of the mold and partition structure of the utility model.

[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0020] In the figure: 1. operating table; 2. top plate; 3. molding cavity; 4. lifting cavity; 5. spiral channel; 6. control cavity; 7. first conveying channel; 8. first solenoid valve; 9. second conveying channel; 10. second solenoid valve; 11. support plate; 12. pump body; 13. first liquid pipe; 14. second liquid pipe; 15. bracket; 16. electric push rod; 17. die; 18. mold; 19. partition; 20. cooling device; 21. third liquid pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1 to Figure 4 A molding device for two-component silicone rubber is shown, including an operating table 1, the upper surface of the operating table 1 is fixedly connected to a mold 18, the interior of the mold 18 is fixedly connected to a partition 19, the partition 19 divides the interior of the mold 18 into a molding cavity 3 and a control cavity 6, the molding cavity 3 is located above the control cavity 6, and the lower half of the control cavity 6 is injected with a liquid for cooling, such as water, coolant, etc., which can be selected according to specific usage conditions. A cooling device 20 is fixedly installed at the bottom of the control cavity 6, and the cooling device 20 includes a cooling plate and other structures, which can quickly cool the liquid. The cooling device 20 is an existing common technology and will not be described in detail here. In addition, the formation of structures such as the mold 18 and the partition 19 can be adjusted according to specific usage conditions.

[0023] A bracket 15 is fixedly connected to the upper surface of the operating table 1 , an electric push rod 16 is fixedly connected to the lower surface of the top of the bracket 15 , a die 17 is fixedly connected to the telescopic end of the electric push rod 16 , and the die 17 cooperates with the molding cavity 3 .

[0024] During operation, the telescopic end of the electric push rod 16 is controlled to be retracted, and the two-component silicone rubber raw material to be molded is added to the inside of the molding cavity 3. Then, the telescopic end of the electric push rod 16 is controlled to extend, and the rubber raw material is extruded and molded through the die 17. The die 17 is provided with structures such as exhaust holes (not shown in the figure). Injection molding is a common existing technology and will not be described here.

[0025] In order to improve the molding efficiency, a top plate 2 is slidably provided inside the molding cavity 3, and a lifting cavity 4 is formed between the top plate 2 and the partition plate 19. The lifting cavity 4 is connected with the control cavity 6 through the second conveying channel 9, and a spiral channel 5 is opened inside the wall of the mold 18, and the spiral channel 5 surrounds the outer side of the molding cavity 3, and the middle section of the second conveying channel 9 is connected with the spiral channel 5 through the first conveying channel 7.

[0026] The top end of the spiral channel 5 is connected to the control chamber 6 through the third liquid pipe 21 .

[0027] During the molding process, the top plate 2 is attached to the partition plate 19, and the liquid flows inside the spiral channel 5 to cool the rubber part and improve the molding efficiency. The spiral channel 5 is a spiral structure, which can expand the coverage area.

[0028] The inner diameter of the spiral channel 5 gradually increases in the direction away from the first conveying channel 7. Considering the extension of the conveying path and frictional force, the inner diameter is gradually enlarged to ensure the speed of liquid conveying and improve the cooling effect.

[0029] A control assembly that cooperates with the second conveying channel 9 is arranged in the mold 18. The control assembly includes a first solenoid valve 8 and a second solenoid valve 10. The first solenoid valve 8 is fixedly installed inside the first conveying channel 7, and the second solenoid valve 10 is fixedly installed on the top of the second conveying channel 9. Figure 4 As shown, the second solenoid valve 10 is located above the connection between the first delivery channel 7 and the second delivery channel 9 .

[0030] The control assembly also includes a support plate 11, a pump body 12, a first liquid pipe 13 and a second liquid pipe 14. The support plate 11 is fixedly connected to the inner wall of the control chamber 6. The pump body 12 is fixedly connected to the support plate 11, and the pump body 12 is waterproofed and can also be arranged on the outer wall of the mold 18. The pump body 12 has a liquid outlet and two liquid inlet ends, and control valves are installed on both liquid inlet ends. The liquid outlet is connected to the second conveying channel 9, one of the liquid inlet ends is connected to the lifting chamber 4 through the first liquid pipe 13, and the other liquid inlet end is connected to the control chamber 6 through the second liquid pipe 14.

[0031] During the molding operation, the top plate 2 is attached to the partition 19, the control valve on the liquid inlet end corresponding to the first liquid pipe 13 is closed, the control valve on the liquid inlet end corresponding to the second liquid pipe 14 is opened, the second solenoid valve 10 is closed, and the first solenoid valve 8 is opened. The pump body 12 transports the cooling liquid from the first delivery channel 7 to the inside of the spiral channel 5. The liquid flows inside the spiral channel 5 to cool the rubber parts and improve the molding efficiency. The liquid is transported back to the control chamber 6 by the third liquid pipe 21 to achieve recycling.

[0032] When demolding is required, close the control valve on the liquid inlet end corresponding to the first liquid pipe 13, open the control valve on the liquid inlet end corresponding to the second liquid pipe 14, open the second solenoid valve 10, close the first solenoid valve 8, and the pump body 12 transports the liquid from the second delivery channel 9 to the inside of the lifting cavity 4, so that the top plate 2 moves upward, so that the molded rubber part can be quickly separated from the mold 18, thereby achieving the purpose of rapid demolding.

[0033] After demolding is completed, the control valve on the liquid inlet end corresponding to the first liquid pipe 13 is opened, the control valve on the liquid inlet end corresponding to the second liquid pipe 14 is closed, the second solenoid valve 10 is closed, and the first solenoid valve 8 is opened. The pump body 12 sucks the liquid in the lifting chamber 4 through the first liquid pipe 13, so that the top plate 2 moves downward, and the liquid is transported to the inside of the spiral channel 5 by the first delivery channel 7, and then transported back to the control chamber 6 by the third liquid pipe 21.

Claims

1. A molding device for two-component silicone rubber, comprising an operating table (1), characterized in that: A mold (18) is fixedly connected to the upper surface of the operating table (1), and a partition (19) is fixedly connected to the inside of the mold (18). The partition (19) divides the inside of the mold (18) into a molding cavity (3) and a control cavity (6). The molding cavity (3) is located above the control cavity (6). A top plate (2) is slidably arranged inside the molding cavity (3). A lifting cavity (4) is formed between the top plate (2) and the partition (19). The lifting cavity (4) is connected to the control cavity (6) through a second conveying channel (9). A spiral channel (5) is opened inside the wall of the mold (18). The spiral channel (5) surrounds the outer side of the molding cavity (3). The middle section of the second conveying channel (9) is connected to the spiral channel (5) through a first conveying channel (7). A control component cooperating with the second conveying channel (9) is arranged inside the mold (18).

2. A molding device for two-component silicone rubber according to claim 1, characterized in that: The control assembly comprises a first solenoid valve (8) and a second solenoid valve (10), wherein the first solenoid valve (8) is fixedly installed inside the first delivery channel (7), and the second solenoid valve (10) is fixedly installed on the top of the second delivery channel (9).

3. A molding device for two-component silicone rubber according to claim 2, characterized in that: The control assembly further comprises a support plate (11), a pump body (12), a first liquid pipe (13) and a second liquid pipe (14); the support plate (11) is fixedly connected to the inner wall of the control chamber (6); the pump body (12) is fixedly connected to the support plate (11); the pump body (12) has a liquid outlet and two liquid inlet ends, and control valves are installed on both liquid inlet ends; the liquid outlet end is connected to the second delivery channel (9); one of the liquid inlet ends is connected to the lifting chamber (4) through the first liquid pipe (13); and the other liquid inlet end is connected to the control chamber (6) through the second liquid pipe (14).

4. A molding device for two-component silicone rubber according to claim 1, characterized in that: The top end of the spiral channel (5) is connected to the control chamber (6) via a third liquid pipe (21).

5. A molding device for two-component silicone rubber according to claim 1, characterized in that: A cooling device (20) is fixedly mounted on the bottom of the control chamber (6).

6. A molding device for two-component silicone rubber according to claim 1, characterized in that: The upper surface of the operating table (1) is fixedly connected to a bracket (15), the lower surface of the top of the bracket (15) is fixedly connected to an electric push rod (16), the telescopic end of the electric push rod (16) is fixedly connected to a die (17), and the die (17) cooperates with the molding cavity (3).

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