Integral pressure regulating device

Abstract

The utility model relates to the technical field of liquid silica gel injection molding, in particular to an integral pressure regulating device. The pressure reducing valve comprises a pressure reducing valve body, the upper surface of the pressure reducing valve body is communicated with a pressure reducing valve top cover, the lower surface of the pressure reducing valve body is communicated with a mixing block, the inner surface of the mixing block is fixedly connected with a cup holder, the surface of the cup holder is connected with a large triangular support in a sliding mode, and a steel ball is connected into the large triangular support in a sliding mode. The arc surface of the steel ball is in sliding connection with an ejector rod, one end of the ejector rod is fixedly connected with a guide column, the arc surface of the guide column is sleeved with a belleville spring, the arc surface of the guide column is in threaded connection with a post-adjustment nut, one side of the pressure reducing valve body is communicated with a straight joint, and the arc surface of the pressure reducing valve top cover is in threaded connection with a pressure reducing valve fastening nut. And one side of the mixing block is in threaded connection with a screw plug. The problems that material mixing is not accurate enough, and installation operation is not rapid and convenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid silicone injection molding, in particular to an integral pressure regulating device. Background Art

[0002] In the application of liquid silicone injection equipment, different materials of liquid silicone have different viscosity and hardness differences, and the two materials A and B have different fluidities and different compression ratios. When the two materials are mixed, the proportion control is not accurate enough, which affects various process performances of the product, and the product is unqualified. The split pressure regulating structure is relatively complex, and the operation and installation are not simple enough.

[0003] The inventor believes that there are often the following defects: when the two materials are mixed, the proportion control is not accurate enough, which affects various process performances of the product, and the product is unqualified. The split pressure regulating structure is relatively complex, the operation and installation are not simple enough, the material mixing is not accurate enough, and the installation and operation are not fast and convenient. Therefore, an integral pressure regulating device is proposed for the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages of inaccurate material mixing and inconvenient and slow installation and operation in the prior art, and to propose an integral pressure regulating device.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an integral pressure regulating device, including a pressure reducing valve body, the upper surface of the pressure reducing valve body is communicated with a pressure reducing valve top cover, the lower surface of the pressure reducing valve body is communicated with a mixing block, a cup holder is fixedly connected to the inner surface of the mixing block, a large triangular bracket is slidably connected to the surface of the cup holder, a steel ball is slidably connected inside the large triangular bracket, a ejector rod is slidably connected to the arc surface of the steel ball, one end of the ejector rod is fixedly connected with a guide post, a disc spring is sleeved on the arc surface of the guide post, and an adjusting nut is threadedly connected to the arc surface of the guide post. A straight connector is communicated with one side of the pressure reducing valve body.

[0006] Preferably, a pressure reducing valve fastening nut is threadedly connected to the arc surface of the pressure reducing valve top cover, and a plug is threadedly connected to one side of the mixing block.

[0007] Preferably, a sealing washer is slidably connected to one side of the ejector rod, a sealing cover is slidably connected to the upper surface of the sealing washer, the arc surface of the sealing washer is slidably connected with the pressure reducing valve body, and the sealing cover is slidably connected with the inner surface of the pressure reducing valve body.

[0008] Preferably, a ball seat is fixedly connected to the upper surface of the cup holder, a copper washer is fixedly connected to the upper surface of the ball seat, and the surface of the copper washer is slidably connected with the pressure reducing valve body.

[0009] Preferably, a first spring is sleeved on the arc surface of the large triangular bracket. One end of the first spring is fixedly connected to the large triangular bracket, and the end of the first spring away from the large triangular bracket is fixedly connected to the steel ball.

[0010] In summary, the beneficial effects of the present utility model are as follows:

[0011] In the present utility model, the device controls the pressure value before material mixing more stably, the material mixing effect is more uniform and sufficient, the pressure fluctuation is reduced, the material extrusion is stable, the material extrusion flow rate and pressure can be adjusted, the product qualification rate is improved, the integral pressure regulating structure is convenient to install and operate, occupies a small space, and is simple and beautiful. Description of the Drawings

[0012] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0013] Figure 2 In the present utility model Figure 1 is a sectional view.

[0014] Legend: 1. Pressure reducing valve body; 2. Pressure reducing valve top cover; 3. Cup holder; 4. Large triangular bracket; 5. Mixing block; 6. Pressure reducing valve fastening nut; 7. Adjusting nut; 8. Disc spring; 9. Guide post; 10. Sealing cover; 11. First spring; 12. Steel ball; 13. Thumb rod; 14. Sealing washer; 15. Copper washer; 16. Ball seat; 17. Union; 18. Plug. Detailed Embodiments

[0015] Referring to Figure 1-2As shown in the figure, the utility model provides a technical solution: an integral pressure regulating device, which includes a pressure reducing valve body 1. The upper surface of the pressure reducing valve body 1 is communicated with a pressure reducing valve top cover 2, and the lower surface of the pressure reducing valve body 1 is communicated with a mixing block 5. A cup holder 3 is fixedly connected to the inner surface of the mixing block 5. A large triangular bracket 4 is slidably connected to the surface of the cup holder 3. A steel ball 12 is slidably connected inside the large triangular bracket 4. The arc surface of the steel ball 12 is slidably connected with a push rod 13. One end of the push rod 13 is fixedly connected with a guide post 9. A disc spring 8 is sleeved on the arc surface of the guide post 9. A post-adjusting nut 7 is threadedly connected to the arc surface of the guide post 9. A straight connector 17 is communicated with one side of the pressure reducing valve body 1. A pressure reducing valve fastening nut 6 is threadedly connected to the arc surface of the pressure reducing valve top cover 2. A plug 18 is threadedly connected to one side of the mixing block 5. A sealing washer 14 is slidably connected to one side of the push rod 13. A sealing cover 10 is slidably connected to the upper surface of the sealing washer 14. The arc surface of the sealing washer 14 is slidably connected with the pressure reducing valve body 1. The sealing cover 10 is slidably connected with the inner surface of the pressure reducing valve body 1. A ball seat 16 is fixedly connected to the upper surface of the cup holder 3. A copper washer 15 is fixedly connected to the upper surface of the ball seat 16. The surface of the copper washer 15 is slidably connected with the pressure reducing valve body 1. A first spring 11 is sleeved on the arc surface of the large triangular bracket 4. One end of the first spring 11 is fixedly connected with the large triangular bracket 4, and the end of the first spring 11 away from the large triangular bracket 4 is fixedly connected with the steel ball 12. The mixed material enters the mixing block 5, pushes open the steel ball 12, and enters the pressure reducing valve body 1. The material pressure balance is adjusted by the post-adjusting nut 7 and the disc spring 8 to control the pressure value, and the material pressure at the straight connector 17 at the outlet of the pressure reducing valve body 1 is stabilized. The outlet material pressure and the pressure formed by the disc spring 8 in the pressure reducing valve body 1 are controlled. When the pressure adjustment of the pressure reducing valve body 1 is increased, the outlet material pressure increases; when the adjustment pressure is reduced, the outlet pressure decreases. There is a pressure gauge or a pressure sensor at the outlet of the pressure reducing valve body 1 for detection. The pressure is adjusted by the pressure reducing valve body 1 to maintain a stable pressure and flow rate and enter the mixer, ensuring uniform mixing of the materials, ensuring the storage pressure, flow rate, and time repetition accuracy each time. After being formed by heating and vulcanization, the device controls the pressure value before material mixing more stably, the material mixing effect is more uniform and sufficient, the pressure fluctuation is reduced, the material extrusion is stable, the material extrusion flow rate and pressure can be adjusted, the product yield is improved, and the integral pressure regulating structure is convenient for installation and operation, occupies a small space, and is simple and beautiful.

[0016] Working principle: The mixed material enters the mixing block 5, pushes open the steel ball 12, and enters the pressure reducing valve body 1. The material pressure balance is adjusted by the adjusting nut 7 and the disc spring 8 to control the pressure value, so as to stabilize the material pressure at the union 17 at the outlet of the pressure reducing valve body 1. The outlet material pressure is controlled by the pressure formed by the disc spring 8 in the pressure reducing valve body 1. When the pressure adjustment of the pressure reducing valve body 1 is increased, the outlet material pressure increases; when the pressure adjustment is decreased, the outlet pressure decreases. There is a pressure gauge or a pressure sensor at the outlet of the pressure reducing valve body 1 for detection. After being adjusted by the pressure reducing valve body 1, the pressure and flow rate are kept stable and enter the mixer, ensuring uniform mixing of the materials, ensuring the repeated accuracy of the storage pressure, flow rate, and time each time. After heating and vulcanization molding, the device can control the pressure value of the material more stably before mixing, the material mixing effect is more uniform and sufficient, the pressure fluctuation is reduced, the material extrusion is stable, the material extrusion flow rate and pressure can be adjusted, the product excellent rate is improved, the integral pressure regulating structure is convenient for installation and operation, occupies a small space, and is simple and beautiful.

[0017] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Claims

1. An integral pressure regulating device, comprising a pressure reducing valve body (1), characterized in that: The upper surface of the pressure reducing valve body (1) is communicated with a pressure reducing valve top cover (2). The lower surface of the pressure reducing valve body (1) is communicated with a mixing block (5). A cup holder (3) is fixedly connected to the inner surface of the mixing block (5). A large triangular bracket (4) is slidably connected to the surface of the cup holder (3). A steel ball (12) is slidably connected inside the large triangular bracket (4). A ejector rod (13) is slidably connected to the arc surface of the steel ball (12). One end of the ejector rod (13) is fixedly connected to a guide post (9). A disc spring (8) is sleeved on the arc surface of the guide post (9). An adjusting nut (7) is threadedly connected to the arc surface of the guide post (9). One side of the pressure reducing valve body (1) is communicated with a straight connector (17).

2. The integral pressure regulating device according to claim 1, wherein: A pressure reducing valve fastening nut (6) is threadedly connected to the arc surface of the pressure reducing valve top cover (2). A plug (18) is threadedly connected to one side of the mixing block (5).

3. An integral pressure regulating device according to claim 1, characterized in that: A sealing washer (14) is slidably connected to one side of the ejector rod (13). A sealing cover (10) is slidably connected to the upper surface of the sealing washer (14). The arc surface of the sealing washer (14) is slidably connected to the pressure reducing valve body (1). The sealing cover (10) is slidably connected to the inner surface of the pressure reducing valve body (1).

4. The integral pressure regulating device according to claim 1, characterized in that: A ball seat (16) is fixedly connected to the upper surface of the cup holder (3). A copper washer (15) is fixedly connected to the upper surface of the ball seat (16). The surface of the copper washer (15) is slidably connected to the pressure reducing valve body (1).

5. An integral pressure regulating device according to claim 1, characterized in that: A first spring (11) is sleeved on the arc surface of the large triangular bracket (4). One end of the first spring (11) is fixedly connected to the large triangular bracket (4). The end of the first spring (11) away from the large triangular bracket (4) is fixedly connected to the steel ball (12).

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