Liquid silicone rubber preparation device

Abstract

The utility model relates to the technical field of liquid silicone rubber preparation, and discloses a liquid silicone rubber preparation device which specifically comprises a shell, filter screen plates are fixedly connected to the two ends of an inner cavity of the shell, and the inner cavity of the shell is sequentially divided into a first liquid drainage cavity, a filter pressing cavity and a second liquid drainage cavity through the two filter screen plates. Liquid discharging pipes are arranged on one side of the bottom end of the first liquid discharging cavity and one side of the bottom end of the second liquid discharging cavity, a pressing plate is movably connected into an inner cavity of the filter pressing cavity, the pressing plate is connected with the shell through a first telescopic rod, the pressing plate is of a hollow structure, a liquid inlet is formed in the bottom end of one side of the inner cavity of the pressing plate, and a telescopic pipe is fixedly connected to the outer side of the liquid inlet. Filter pressing and liquid silicone rubber supplementing can be carried out at the same time, so that the device can continuously carry out filter pressing on the liquid silicone rubber, the working efficiency of the device is improved, two-time filter pressing operation can be carried out through one stroke of the first telescopic rod, and the energy utilization rate of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid silicone rubber preparation technical field, concretely is a kind of liquid silicone rubber preparation device. BACKGROUND

[0002] Liquid silicone rubber is also called two-component addition silicone rubber, in order to prevent liquid silicone rubber from curing too early before use, it is usually prepared in two-part composition, and the two compositions are mixed before final use. Currently, in the specific production process of liquid silicone rubber, pressure filtration treatment is needed to filter out large particle substances (impurities) in liquid silicone rubber. In related technology, the device for pressure filtration of liquid silicone rubber usually uses a driving element such as a pneumatic cylinder to drive a press plate to extrude liquid silicone rubber, so that the liquid silicone rubber thread can pass through the filter screen, thereby realizing pressure filtration of liquid silicone rubber. Since the liquid silicone rubber between the press plate and the filter screen is consumed, the driving element usually directly drives the press plate to reset. After the pressure filtration device is refilled with liquid silicone rubber, the pressure filtration device can continue to work. Therefore, the pressure filtration device cannot work continuously, the working efficiency of the pressure filtration device is low, and the driving element can only perform one pressure filtration operation per stroke, which is low in energy utilization. Based on this, the present application proposes a liquid silicone rubber preparation device. SUMMARY

[0003] The liquid silicone rubber preparation device provided by the utility model solves the problem of the above-mentioned pressure filtration device which cannot work continuously, has low working efficiency, and can only perform one pressure filtration operation per stroke of the driving element, and has low energy utilization.

[0004] The utility model provides following technical scheme: a kind of liquid silicone rubber preparation device, including shell, the both ends of the inner chamber of the shell are all fixedly connected with filter screen plate, two filter screen plates successively divide the inner chamber of shell into first drainage cavity, filter chamber and second drainage cavity, the side of the bottom of the first drainage cavity and second drainage cavity is equipped with drainage pipe, the inner chamber of the filter chamber is movably connected with press plate, the press plate is connected with shell by telescopic link one, the press plate is hollow structure, the bottom of one side of the inner chamber of the press plate is equipped with inlet, the outside of the inlet is fixedly connected with telescopic pipe, the other end of the telescopic pipe is fixedly connected with inlet pipe, and the other end of the telescopic pipe is located in the inner chamber of inlet pipe, the inlet pipe is fixedly connected with shell, and the other end of the inlet pipe extends to the outside of shell, the top of one side of the inner chamber of the press plate and the top of the other side of the inner chamber are equipped with drainage port, the inner chamber of the press plate is equipped with plugging structure, and the drainage port is sealed by plugging structure.

[0005] Preferably, a sealing tube is fixedly connected to the middle of one of the filter screen plates, the output shaft end of the telescopic rod one is fixedly connected to the pressure plate, the other end of the telescopic rod one is located in the inner cavity of the sealing tube, and the other end of the telescopic rod one is fixedly connected to the sealing tube.

[0006] Preferably, the blocking structure includes a second telescopic rod fixedly connected to the inner cavity of the pressure plate and a blocking block fixedly connected to the end of the output shaft of the second telescopic rod, and the end of the blocking block away from the hydraulic telescopic rod is adapted to the drain port.

[0007] Preferably, one end of the liquid inlet pipe close to the telescopic tube is fixedly connected to the other filter screen plate, and the one end of the liquid inlet pipe close to the telescopic tube is flush with one side of the other filter screen plate close to the pressure plate.

[0008] Preferably, both sides of the filter press chamber are provided with a slag discharge port, the slag discharge port is sealed by a sealing door, and one end of the slag discharge port away from the pressure plate is flush with the side of the filter screen plate close to the pressure plate.

[0009] Preferably, the outer diameter of the blocking block at one end close to the hydraulic telescopic rod 2 is larger than the outer diameter of the other end.

[0010] Preferably, the outer surface of the pressing plate is wrapped with a sealing sheet, and the side of the sealing tube close to the pressing plate is flush with the side of a filter screen plate close to the pressing plate.

[0011] This liquid silicone rubber preparation device can simultaneously perform filtration and replenishment of liquid silicone rubber, enabling continuous filtration of the liquid silicone rubber and improving its operating efficiency. Furthermore, a single stroke of the telescopic rod allows two filtration operations, improving the device's energy efficiency. The provision of a liquid inlet pipe and a sealing tube improves the sealing of the filter press chamber, preventing leakage. The provision of a pressure plate allows the liquid silicone rubber to be filtered to enter the non-extrusion side of the pressure plate, enabling replenishment of the filter press chamber. The provision of a slag discharge port facilitates the removal of trapped impurities within the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of the structure of the utility model;

[0013] Figure 2 For the utility model structure Figure 1 Schematic diagram on the back;

[0014] Figure 3 For the utility model structure Figure 1 Schematic cross-section;

[0015] Figure 4 For the utility model structure Figure 3 Schematic diagram on the left;

[0016] Figure 5 The structure pressing plate is a schematic view.

[0017] Figure 6 The structure pressing plate is a schematic view. DETAILED DESCRIPTION

[0018] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0019] Please refer to Figures 1 to 6 The present application provides a kind of liquid silicone rubber preparation device, including shell 1, the two ends of the inner cavity of shell 1 are all fixedly connected with filter screen plate 2, two filter screen plates 2 are sequentially divided into first drainage cavity, filter chamber and second drainage cavity by the inner cavity of shell 1, the side of the bottom of first drainage cavity and second drainage cavity is equipped with drainage pipe 7, and the liquid silicone rubber after filtering can be discharged by drainage pipe 7.

[0020] The inner cavity of filter chamber is movably connected with pressing plate 8, pressing plate 8 is connected with shell 1 by telescopic rod one 4, and the middle part of one filter screen plate 2 is fixedly connected with sealing tube 14, the output shaft end of telescopic rod one 4 is fixedly connected with pressing plate 8, the other end of telescopic rod one 4 is located in the inner cavity of sealing tube 14, and the other end of telescopic rod one 4 is fixedly connected with sealing tube 14, and the side of sealing tube 14 close to pressing plate 8 is flush with the side of one filter screen plate 2 close to pressing plate 8, the telescopic of telescopic rod one 4 can change the position of pressing plate 8 fixedly connected therewith, pressing plate 8 and filter screen plate 2 can be in the state of close adhesion, and the setting of sealing tube 14 can avoid that liquid silicone rubber not filtered enters into drainage cavity.

[0021] In actual application, the pressing plate 8 is a hollow structure, the inner cavity of the pressing plate 8 is provided with a liquid inlet 11 at the bottom end away from the telescopic rod 4, the outer side of the liquid inlet 11 is fixedly connected with a telescopic pipe 5, the other end of the telescopic pipe 5 is fixedly connected with a liquid inlet pipe 6, and the other end of the telescopic pipe 5 is located in the inner cavity of the liquid inlet pipe 6, the other end of the liquid inlet pipe 6 extends to the outside of the shell 1, the liquid inlet pipe 6 is in a fixed state with the shell 1 and the other filter screen plate 2, the end of the liquid inlet pipe 6 close to the telescopic pipe 5 is fixedly connected with the other filter screen plate 2 close to the pressing plate 8, and the end of the liquid inlet pipe 6 close to the telescopic pipe 5 is flush with the side of the other filter screen plate 2 close to the pressing plate 8. Through the arrangement of the liquid inlet pipe 6 and the telescopic pipe 5, the liquid silicone rubber to be filtered can be injected into the inner cavity of the pressing plate 8 along the liquid inlet pipe 6, the telescopic pipe 5 and the liquid inlet 11, and when the pressing plate 8 is close to the other filter screen plate 2, the telescopic pipe 5 can be in a contracted state, when the pressing plate 8 is tightly attached to the other filter screen plate 2, the telescopic pipe 5 is completely located in the inner cavity of the liquid inlet pipe 6, and when the pressing plate 8 is tightly attached to the filter screen plate 2, the telescopic pipe 5 is in a completely elongated state, and the telescopic pipe 5 can be made of a high-pressure corrugated pipe.

[0022] The top end of one side of the inner cavity of the pressing plate 8 and the top end of the other side of the inner cavity are both provided with a liquid outlet 10, and the inner cavity of the pressing plate 8 is provided with a sealing structure, and the liquid outlet 10 is sealed by the sealing structure. Through the arrangement of the two liquid outlets 10, when the pressing plate 8 is extruding the liquid silicone rubber, the liquid outlet 10 on the extruding side of the pressing plate 8 is in a closed state, and the liquid outlet 10 on the other side of the pressing plate 8 is in an open state. The liquid silicone rubber to be filtered can enter the other side of the pressing plate 8 through the liquid outlet 10 on the other side of the pressing plate 8, so that filtering and adding materials can be carried out at the same time, thereby enabling the device to work continuously, improving the working efficiency of the device, and enabling the pressure on both sides of the pressing plate 8 to remain consistent, thereby avoiding the phenomenon that the liquid silicone rubber on the extruding side moves to the other side of the pressing plate 8 due to inconsistent pressure on both sides of the pressing plate 8. When the telescopic rod 4 drives the pressing plate 8 to move in the opposite direction, the pressing plate 8 can still extrude the liquid silicone rubber, and one movement stroke of the telescopic rod 4 can perform two pressure filtration operations, thereby improving the energy utilization rate of the device.

[0023] The outer surface of the pressing plate 8 is wrapped with a sealing sheet, and the sealing sheet can be made of rubber, thereby improving the sealing between the pressing plate 8 and the shell 1 and facilitating the movement of the pressing plate 8 to push the liquid silicone rubber.

[0024] Please continue to refer to Figures 1 to 6The blocking structure comprises the hydraulic telescopic rod two 12 fixedly connected with the inner cavity of the pressing plate 8 and the blocking block 13 fixedly connected with the output shaft end of the hydraulic telescopic rod two 12, and the end of the blocking block 13 away from the hydraulic telescopic rod two 12 is matched with the liquid outlet 10. Through the arrangement of the hydraulic telescopic rod two 12, the extension and contraction of the hydraulic telescopic rod two 12 can change the position of the blocking block 13 fixedly connected with the hydraulic telescopic rod two 12, and the blocking block 13 can block or separate from the liquid outlet 10. The outer diameter of the end of the blocking block 13 close to the hydraulic telescopic rod two 12 is larger than that of the other end, and the outer surface of the blocking block 13 is wrapped with a sealing sheet, thereby improving the sealing property of the blocking block 13.

[0025] Both sides of the filter chamber are provided with a slag discharge port, which is sealed by a sealing door 9, and the end of the slag discharge port away from the pressing plate 8 is flush with the side of the filter screen plate 2 close to the pressing plate 8. Through the arrangement of the slag discharge port, the impurities filtered in the device can be easily cleaned.

[0026] As can be seen from the above description, the pressing and the supplement of the liquid silicone rubber can be simultaneously performed when the device is used, so that the device can continuously press filter the liquid silicone rubber, improve the working efficiency of the device, and the one-time stroke of the telescopic rod one 4 can perform twice pressing filter operation, thereby improving the energy utilization rate of the device.

[0027] The telescopic rod one 4 and the telescopic rod two 12 described above can be hydraulic telescopic rods, which are prior art and will not be described here.

[0028] The electrical components involved in the present application are all prior art, and those skilled in the art understand their connection methods. All electrical components in the present application and their matched power sources are connected by wires by those skilled in the art, and appropriate controllers are selected according to actual conditions to meet the control requirements. The specific connection and control sequence are described below, and the working order of each electrical component is completed, and the detailed connection means is a known technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0029] In summary, the liquid silicone rubber preparation device uses, the liquid silicone rubber to be filtered enters into the inner chamber of the pressing plate 8 through the liquid inlet pipe 6 and the telescopic pipe 5, the two liquid discharge ports 10 on the pressing plate 8 are in the open state, the liquid silicone rubber in the inner chamber of the pressing plate 8 enters into the filter chamber through the open liquid discharge port 10, when the filter chamber is filled with liquid silicone rubber, the telescopic rod 4 drives the pressing plate 8 to move, the pressing plate 8 extrudes the liquid silicone rubber, and the liquid silicone rubber can pass through the filter screen plate 2 under the action of the extrusion force, so that the liquid silicone rubber is rapidly filtered, and the filtered liquid silicone rubber is discharged through the liquid discharge pipe 7.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, which will not be described in detail, the contents not described in detail in the specification belong to the prior art known to the person skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and changed in various manners without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A liquid silicone rubber preparation apparatus comprising a housing, characterised in that: Both ends of the shell cavity are fixedly connected with filter screen plates, and the two filter screen plates sequentially divide the inner cavity of the shell into a first liquid discharge cavity, a filter pressing cavity and a second liquid discharge cavity.

2. A device for preparing liquid silicone rubber according to claim 1, characterized in that: The middle part of one of the filter screen plates is fixedly connected with a sealing pipe, the output shaft end of the first telescopic rod is fixedly connected with the pressing plate, the other end of the first telescopic rod is located in the inner cavity of the sealing pipe, and the other end of the first telescopic rod is fixedly connected with the sealing pipe.

3. A device for preparing liquid silicone rubber according to claim 1, characterized in that: The sealing structure comprises a second telescopic rod fixedly connected with the inner cavity of the pressing plate and a sealing block fixedly connected with the output shaft end of the second telescopic rod, and the end of the sealing block away from the second telescopic rod is matched with the liquid discharge port.

4. The apparatus of claim 1, wherein: The end of the liquid inlet pipe close to the telescopic pipe is fixedly connected with the other filter screen plate, and the end of the liquid inlet pipe close to the telescopic pipe is flush with the side of the other filter screen plate close to the pressing plate.

5. The apparatus of claim 1, wherein: Both sides of the filter pressing cavity are provided with slag discharge ports, the slag discharge ports are sealed by sealing doors, and the end of the slag discharge port away from the pressing plate is flush with the side of the filter screen plate close to the pressing plate.

6. A device for preparing liquid silicone rubber according to claim 3, characterized in that: The outer diameter of the end of the sealing block close to the second telescopic rod is larger than that of the other end.

7. A device for preparing liquid silicone rubber according to claim 2, characterized in that: The outer surface of the pressing plate is wrapped with a sealing sheet, and the side of the sealing pipe close to the pressing plate is flush with the side of one of the filter screen plates close to the pressing plate.

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