Foamed silica gel sealing strip production extrusion equipment

Abstract

The utility model discloses foaming silica gel sealing strip production extrusion equipment which comprises a base, the upper end of the base is fixedly connected with a heater, the upper end of the heater is provided with a shell, one side of the shell is provided with a screw rod structure, one side of the screw rod structure is provided with an extrusion head, one side of the extrusion head is provided with an extrusion pipe, and the other side of the extrusion pipe is provided with a screw rod. The upper end of the base is fixedly connected with a cooling liquid box, the upper end of the cooling liquid box is fixedly connected with a cooling pipe, the upper end of the cooling liquid box is fixedly connected with a liquid pump, the upper end of the liquid pump is fixedly connected with a liquid inlet pipe, and one side of the cooling pipe is fixedly connected with a liquid outlet pipe. By arranging the cooling liquid box, the liquid pump, the liquid inlet pipe, the liquid outlet pipe, the cooling pipe and the cooling liquid cavity, the silica gel sealing strip in the extrusion pipe is cooled and formed, meanwhile, cooling liquid in the cooling liquid box is conveniently cooled through a semiconductor chilling plate, and the situation that the cooling effect on the silica gel sealing strip is affected due to the fact that the temperature of the cooling liquid is too high is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of silicone seal strip extrusion equipment, in particular to a foam silicone seal strip production extrusion equipment. Background Art

[0002] Silicone rubber strips are sealing strips made of silicone rubber. They are mainly used in the fields of medicine, food, etc., and play the role of dustproof, insect-proof, waterproof, fixing, sound insulation, shock absorption, sealing, etc. The sealing strips produced by silicone rubber have a transparent and smooth appearance, are soft and elastic, non-toxic and tasteless. They have good elasticity, high and low temperature resistance, and are not easy to age, deform, and resistant to slight acid and alkali. In addition, they also have good performance in ozone resistance, solubility resistance, and electrical insulation. They are the first choice for seals in the chemical, pharmaceutical, food, electronic, and mechanical industries.

[0003] At present, the setting form of cooling water channel on the screw extruder is usually to open several cavities around the machine body as cooling water chambers, and add cooling water to cool the screw and silicone rubber melt. This form of cooling water channel is too large in size and occupies too much area. In addition, the cooling water is far away from the rubber melt, the cooling effect is not ideal, the heat exchange rate is low, and during use, the raw materials are easily adhered to the inner wall of the feed hopper, which is very difficult to clean, and will also affect the ratio of the raw materials entering the feed hopper next time, which may affect the molding process of the extruded products. Utility Model Content

[0004] The purpose of the utility model is to provide a foam silicone sealing strip production extrusion equipment, which can solve the problems of unsatisfactory cooling effect, low heat exchange rate, and raw materials easily sticking to the inner wall of the feed hopper during use, which is very difficult to clean, and will also affect the ratio of raw materials entering the feed hopper next time, which may affect the molding processing of the extruded product.

[0005] To achieve the above-mentioned purpose, a foamed silicone sealing strip production extrusion device is provided, comprising: a base, a heater is fixedly connected to the upper end of the base, a shell is arranged on the upper end of the heater, a screw structure is arranged on one side of the shell, an extrusion head is arranged on one side of the screw structure, an extrusion tube is arranged on one side of the extrusion head, a coolant tank is fixedly connected to the upper end of the base, a cooling tube is fixedly connected to the upper end of the coolant tank, a liquid pump is fixedly connected to the upper end of the coolant tank, a liquid inlet tube is fixedly connected to the upper end of the liquid pump, a liquid outlet tube is fixedly connected to one side of the cooling tube, and a semiconductor refrigeration sheet is fixedly connected to one side of the coolant tank;

[0006] The upper end of the shell is fixedly connected to a feed pipe, one side of the feed pipe is fixedly connected to a rotating seat, the interior of the rotating seat is rotatably connected to a rotating rod, the lower end of the rotating rod is fixedly connected to a fixed seat, the lower end of the fixed seat is fixedly connected to a knocking hammer, one side of the feed pipe is fixedly connected to a connecting frame, one end of the connecting frame is fixedly connected to a motor, and the output shaft of the motor is fixedly connected to a cam.

[0007] According to the foamed silicone seal strip production extrusion equipment, one end of the liquid inlet pipe is fixedly connected to one side of the cooling pipe.

[0008] According to the foamed silicone seal strip production extrusion equipment, one end of the liquid outlet pipe is fixedly connected to the upper end of the coolant tank.

[0009] According to the foamed silicone seal strip production extrusion equipment, a cooling liquid cavity is provided inside the cooling tube.

[0010] According to the foamed silicone sealing strip production extrusion equipment, the extrusion tube passes through the cooling tube.

[0011] The purpose of the utility model is to provide a foam silicone sealing strip production extrusion equipment, the main innovation points are:

[0012] 1. This kind of foam silicone sealing strip production extrusion equipment cools and forms the silicone sealing strip in the extrusion tube by arranging a coolant tank, a liquid pump, a liquid inlet pipe, a liquid outlet pipe, a cooling pipe, and a coolant cavity. At the same time, the coolant in the coolant tank is cooled by a semiconductor refrigeration sheet to prevent the cooling effect of the silicone sealing strip from being affected by the high temperature of the coolant.

[0013] 2. This kind of foam silicone sealing strip production extrusion equipment knocks on the feed pipe by setting a connecting frame, a motor, a cam, a rotating seat, a rotating rod, a fixed seat, and a knocking hammer to prevent the raw materials from sticking to the inner wall of the feed pipe and affecting the ratio of the raw materials entering the feed pipe next time.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 A three-dimensional diagram of a foamed silicone sealing strip production extrusion device proposed in the utility model;

[0017] Figure 2 This is a cross-sectional view of a cooling pipe of a foamed silicone seal strip production extrusion device proposed in the utility model;

[0018] Figure 3 The utility model proposed Figure 1 Schematic diagram of the structure at A in the middle.

[0019] Legend:

[0020] 1. Base; 2. Heater; 3. Shell; 4. Screw structure; 5. Extrusion head; 6. Extrusion tube; 7. Coolant tank; 8. Liquid pump; 9. Liquid inlet pipe; 10. Cooling pipe; 11. Liquid outlet pipe; 12. Coolant cavity; 13. Semiconductor refrigeration plate; 14. Feed pipe; 15. Rotating seat; 16. Rotating rod; 17. Fixed seat; 18. Percussion hammer; 19. Connecting frame; 20. Motor; 21. Cam. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-3 The utility model embodiment is a foamed silicone sealing strip production extrusion equipment, which includes a base 1, a heater 2 is fixedly connected to the upper end of the base 1, a shell 3 is arranged on the upper end of the heater 2, a screw structure 4 is arranged on one side of the shell 3, an extrusion head 5 is arranged on one side of the screw structure 4, and an extrusion tube 6 is arranged on one side of the extrusion head 5. A coolant tank 7 is fixedly connected to the upper end of the coolant tank 7, a cooling tube 10 is fixedly connected to the upper end of the coolant tank 7, a liquid pump 8 is fixedly connected to the upper end of the coolant tank 7, a liquid inlet pipe 9 is fixedly connected to the upper end of the liquid pump 8, a liquid outlet pipe 11 is fixedly connected to one side of the cooling tube 10, and a semiconductor refrigeration sheet 13 is fixedly connected to one side of the coolant tank 7. By arranging the coolant tank 7, the liquid pump 8, the liquid inlet pipe 9, the liquid outlet pipe 11, the cooling pipe 10, and the cooling liquid cavity 12, the silicone sealing strip in the extrusion tube 6 is cooled and formed, and at the same time, the semiconductor refrigeration sheet 13 is used to cool the coolant in the coolant tank 7 to prevent the cooling effect of the silicone sealing strip from being affected by the excessively high temperature of the coolant.

[0023] A feed pipe 14 is fixedly connected to the upper end of the outer shell 3, a rotating seat 15 is fixedly connected to one side of the feed pipe 14, a rotating rod 16 is rotatably connected inside the rotating seat 15, a fixed seat 17 is fixedly connected to the lower end of the rotating rod 16, a knocking hammer 18 is fixedly connected to the lower end of the fixed seat 17, a connecting frame 19 is fixedly connected to one side of the feed pipe 14, a motor 20 is fixedly connected to one end of the connecting frame 19, and a cam 21 is fixedly connected to the output shaft of the motor 20. By arranging the connecting frame 19, the motor 20, the cam 21, the rotating seat 15, the rotating rod 16, the fixed seat 17 and the knocking hammer 18, the feed pipe 14 is knocked to prevent the raw materials from sticking to the inner wall of the feed pipe 14 and affecting the ratio of the raw materials entering the feed pipe 14 next time.

[0024] One end of the liquid inlet pipe 9 is fixedly connected to one side of the cooling pipe 10 , one end of the liquid outlet pipe 11 is fixedly connected to the upper end of the coolant tank 7 , a coolant cavity 12 is provided inside the cooling pipe 10 , and the extrusion pipe 6 passes through the cooling pipe 10 .

[0025] Working principle: This kind of foam silicone sealing strip production extrusion equipment, when in use, turns on the power, pours the raw material through the feed pipe 14, through the heating effect of the heater 2 and the extrusion effect of the screw structure 4, the raw material is melted and extruded into a liquid state, extruded through the extrusion head 5, and enters the extrusion tube 6, and the liquid pump 8 is started. The liquid pump 8 draws the coolant in the coolant tank 7 and enters the cooling liquid cavity 12 of the cooling tube 10 through the liquid inlet pipe 9, so that the raw material in the extrusion tube 6 is solidified and formed, and the coolant in the cooling liquid cavity 12 re-enters the cooling liquid tank 7 through the liquid outlet pipe 11, and the semiconductor refrigeration plate 13 is started to cool the coolant in the cooling liquid tank 7 so that it can be recycled; after the raw material is fed, the motor 20 is started, and the motor 20 drives the cam 21 to rotate, and the cam 21 then drives the knocking hammer 18 to rotate. When the cam 21 is separated from the knocking hammer 18, the knocking hammer 18 rotates to knock the feed pipe 14, so that the raw material on the inner wall falls downward.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A foamed silicone sealing strip production extrusion equipment, characterized in that: include: A base (1), wherein the upper end of the base (1) is fixedly connected to a heater (2), the upper end of the heater (2) is provided with a shell (3), one side of the shell (3) is provided with a screw structure (4), one side of the screw structure (4) is provided with an extrusion head (5), one side of the extrusion head (5) is provided with an extrusion tube (6), the upper end of the base (1) is fixedly connected to a coolant tank (7), the upper end of the coolant tank (7) is fixedly connected to a cooling tube (10), the upper end of the coolant tank (7) is fixedly connected to a liquid pump (8), the upper end of the liquid pump (8) is fixedly connected to a liquid inlet tube (9), one side of the cooling tube (10) is fixedly connected to a liquid outlet tube (11), and one side of the coolant tank (7) is fixedly connected to a semiconductor refrigeration plate (13); The upper end of the shell (3) is fixedly connected to a feed pipe (14), one side of the feed pipe (14) is fixedly connected to a rotating seat (15), the interior of the rotating seat (15) is rotatably connected to a rotating rod (16), the lower end of the rotating rod (16) is fixedly connected to a fixed seat (17), the lower end of the fixed seat (17) is fixedly connected to a striking hammer (18), one side of the feed pipe (14) is fixedly connected to a connecting frame (19), one end of the connecting frame (19) is fixedly connected to a motor (20), and the output shaft of the motor (20) is fixedly connected to a cam (21).

2. The foamed silicone sealing strip production extrusion equipment according to claim 1, characterized in that: One end of the liquid inlet pipe (9) is fixedly connected to one side of the cooling pipe (10).

3. The foamed silicone sealing strip production extrusion equipment according to claim 1, characterized in that: One end of the liquid outlet pipe (11) is fixedly connected to the upper end of the cooling liquid tank (7).

4. The foamed silicone sealing strip production extrusion equipment according to claim 1, characterized in that: A cooling liquid chamber (12) is provided inside the cooling tube (10).

5. The foamed silicone sealing strip production extrusion equipment according to claim 1, characterized in that: The extrusion tube (6) passes through the cooling tube (10).

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