Double-screw type silicone rubber extrusion device

Abstract

The utility model relates to the technical field of silicone rubber production, and discloses a double-screw type silicone rubber extrusion device which comprises a bottom plate, a base is fixedly mounted at the bottom of the bottom plate, a driving box and a box body are fixedly mounted at the top of the bottom plate, and a feeding assembly is fixedly mounted at the top of the box body. According to the double-screw type silicone rubber extrusion device, through the design of the feeding assembly, materials can be evenly added into the silo, blockage and influence on overall normal use are avoided, through the design of the extrusion assembly, silicone rubber can be conveniently mixed and extruded, blockage is not prone to occurring, the working efficiency is high, and through the design of a rotating rod, a limiting rod and a limiting groove, the extrusion efficiency is improved. The box door can be conveniently and rapidly fixed, and subsequent maintenance and repair of the extrusion assembly are facilitated; through the design of the cooling assembly, silicon rubber can be cooled conveniently, the situation that the cooling effect is poor, the temperature of materials is too high, and the product quality is affected is avoided, and through the design that a third water pipe is of a snakelike structure, the contact area is increased, and the cooling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silicone rubber production, in particular to a twin-screw silicone rubber extruder. Background Art

[0002] Twin-screw extruder is a kind of equipment developed on the basis of single-screw extruder. It has the characteristics of excellent feeding performance, mixing and plasticizing performance, exhaust performance and extrusion stability. Twin-screw extruder is widely used in the molding processing of extruded products, including glass fiber reinforcement, flame retardant fuel granulation and other applications. Its design includes auxiliary equipment such as wire-paying device, straightening device and preheating device.

[0003] China Utility Model Patent Publication No.: 201920198019.X, discloses: a twin-screw automatic extruder for silicone rubber production. During the extrusion process, the spherical gas release chamber of the twin-screw automatic extruder for silicone rubber production is divided into two parts by a sealing door panel, one part is a normal pressure chamber, and the other part is a negative pressure chamber. When the extruded silicone rubber passes through the negative pressure chamber, the bubbles in the rubber automatically burst under the action of negative pressure. However, the twin-screw automatic extruder for silicone rubber production is not designed with a cooling structure, and the high temperature affects the product quality, resulting in low product quality. In addition, the twin-screw automatic extruder for silicone rubber production is not designed with a feeding mechanism, and the material entering the silo is prone to blockage, resulting in poor practicality. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a twin-screw silicone rubber extruder, which can effectively solve the problems in the prior art of no cooling structure being designed, excessively high temperature affecting product quality, low product quality, no feeding mechanism being designed, materials entering the silo being prone to blockage, and poor practicality.

[0005] The technical solution adopted by the utility model is: a twin-screw silicone rubber extrusion device, comprising a bottom plate, a base fixedly installed at the bottom of the bottom plate, a drive box and a box body fixedly installed on the top of the bottom plate, a feeding assembly fixedly installed on the top of the box body, a box door rotatably installed on the front side of the drive box, a support assembly fixedly installed on the top of the bottom plate, a silo fixedly installed on the top of the support assembly, an extrusion assembly is provided on the top of the bottom plate, a limiting rod is fixedly installed on the front side of the box door, a rotating rod is rotatably installed on the front side of the drive box, a limiting groove is provided on the outer side of the rotating rod, a groove is provided inside the silo, and a cooling assembly is provided on the top of the bottom plate.

[0006] Preferably, the feeding assembly includes motor 1, an auger, a mounting plate, feed bin 1, a sleeve, feed bin 2, a feed hopper, motor 2, a stirring shaft and a stirring rod, the output end of motor 1 is fixedly mounted with the auger, the top of the box is fixedly mounted with the mounting plate, the top of the mounting plate is fixedly mounted with feed bin 1, the outer side of the feed bin 1 is fixedly mounted with the sleeve, the outer side of the sleeve is fixedly mounted with feed bin 2, the top of the feed bin 1 is fixedly mounted with the feed hopper, the top of the feed hopper is fixedly mounted with motor 2, the output end of motor 2 is fixedly mounted with the stirring shaft, the outer side of the stirring shaft is fixedly mounted with the stirring rod, the auger is located inside the sleeve, the feed bin 1, sleeve, feed bin 2, feed hopper and silo are communicated with each other.

[0007] Through the above technical solution, the staff starts motor one, the output shaft of motor one rotates, driving the auger to rotate, so that the material can be added to the inside of the silo. Through the design of the feeding component, the material can be evenly added to the inside of the silo to avoid blockage and affect the overall normal use.

[0008] Preferably, the stirring rod is adapted to the inner wall of the feed hopper, and a plurality of the same stirring rods are provided, and the plurality of stirring rods are symmetrically distributed about the center line of the stirring shaft.

[0009] Through the above technical solution, the staff starts motor 2, the output shaft of motor 2 rotates, driving the stirring shaft to rotate, and the rotation of the stirring shaft drives the stirring rod to rotate. Through the design of motor 2, stirring shaft and stirring rod, the material is prevented from being blocked inside the feed hopper, and the material is allowed to enter the interior of feed bin 1 more evenly. Through the design of multiple stirring rods, the stirring efficiency is improved.

[0010] Preferably, the extrusion assembly includes motor three, pulley one, rotating shaft one, pulley two, transmission belt, gear one, rotating shaft two, gear two, screw one and screw two, the symmetrical ends of the motor three are fixedly mounted with pulley one, the interior of the drive box is rotatably mounted with rotating shaft one, the outer side of the rotating shaft one is fixedly mounted with pulley two, a transmission belt is arranged between the pulley one and the pulley two, the outer side of the rotating shaft one is fixedly mounted with gear one, the interior of the drive box is rotatably mounted with rotating shaft two, the outer side of the rotating shaft two is fixedly mounted with gear two, the outer side of the rotating shaft one is fixedly mounted with screw one, the outer side of the rotating shaft two is fixedly mounted with screw two, the gear one is meshed with the gear two, and the pulley one, pulley two, transmission belt, gear one and gear two are located inside the drive box.

[0011] Through the above technical solution, the staff starts motor three, and the output shaft of motor three drives shaft one to rotate through the cooperation of pulley one, pulley two and transmission belt. Shaft one drives shaft two to rotate through the cooperation of gear one and gear two, thereby realizing the different direction rotation of screw one and screw two. Through the design of the extrusion component, the mixed extrusion of silicone rubber is facilitated, it is not easy to get clogged, and the working efficiency is high.

[0012] Preferably, the limiting rod is adapted to the limiting groove, and the cross section of the limiting rod is a "T"-shaped structure.

[0013] Through the above technical solution, the staff rotates the rotating rod so that the limit rod is stuck in the inside of the limit groove, which can realize the rapid fixation of the box door. The design of the rotating rod, limit rod and limit groove facilitates the rapid fixation of the box door and facilitates the subsequent maintenance and repair of the extrusion assembly.

[0014] Preferably, the cooling component includes a water pump, water pipe 1, a water tank, water pipe 2, water pipe 3 and water pipe 4, water pipe 1 is arranged on the outside of the water pump, a water tank is arranged inside the box body, water pipe 2 is arranged on the outside of the water pump, water pipe 3 is arranged on the outside of the water pipe 2, and water pipe 4 is arranged on the outside of the water tank, water pipe 1, water tank, water pipe 2, water pipe 3 and water pipe 4 are communicated with each other, water pipe 3 is located inside the groove, and water pipe 3 has a "snake-shaped" structure.

[0015] Through the above technical solution, the staff starts the water pump, which sucks the water out of the water tank through water pipe one, and then discharges it into the inside of water pipe three through water pipe two, so as to cool the silicone rubber. The water is then converged into the inside of the water tank through water pipe four to realize water circulation. The design of the cooling component facilitates the cooling of the silicone rubber, avoiding poor cooling effect, resulting in excessively high material temperature and affecting product quality. The "snake-shaped" structure design of water pipe three increases the contact area and improves the cooling efficiency.

[0016] Preferably, a plurality of identical bases are provided, and the plurality of bases are symmetrically distributed about the center line of the base plate.

[0017] Through the above technical solution, through the design of the base, the whole is more stable during operation, less likely to shake, and has higher stability. Through the design of multiple bases, the overall stability is further improved.

[0018] Compared with the prior art, the present invention provides a twin-screw silicone rubber extruder with the following beneficial effects:

[0019] 1. The twin-screw silicone rubber extruder, through the design of the feeding component, can evenly add materials to the interior of the silo to avoid clogging and affect the normal use of the whole. The design of the extrusion component facilitates the mixing and extrusion of silicone rubber, is not easy to clog, and has high working efficiency. The design of the rotating rod, limit rod and limit groove facilitates the rapid fixation of the box door and facilitates the subsequent maintenance and repair of the extrusion component.

[0020] 2. The twin-screw silicone rubber extruder is designed with a cooling component to facilitate cooling of the silicone rubber, thereby avoiding poor cooling effect, which may lead to excessively high material temperature and affect product quality. The "snake-shaped" structure of the water pipe increases the contact area and improves the cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the installation structure of the extrusion component of the utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the feed assembly of the utility model;

[0024] Figure 4 This is a schematic diagram of the installation structure of the door of the utility model;

[0025] Figure 5 This is a schematic diagram of the half-section structure of the silo of the utility model;

[0026] Figure 6 This is a schematic diagram of the installation structure of the cooling component of the utility model Figure 1 ;

[0027] Figure 7 This is a schematic diagram of the installation structure of the cooling component of the utility model Figure 2 ;

[0028] Figure 8 For this utility model Figure 4 Enlarged structural diagram at point A in the middle.

[0029] Wherein: 1. Bottom plate; 2. Base; 3. Drive box; 4. Box body; 5. Feed assembly; 501. Motor 1; 502. Auger; 503. Mounting plate; 504. Feed bin 1; 505. Sleeve; 506. Feed bin 2; 507. Feed hopper; 508. Motor 2; 509. Agitator shaft; 510. Agitator rod; 6. Box door; 7. Support assembly; 8. Silo; 9. Extrusion assembly; 901. Motor 3; 902. Pulley 1. 903. Rotating shaft one; 904. Pulley two; 905. Drive belt; 906. Gear one; 907. Rotating shaft two; 908. Gear two; 909. Screw one; 910. Screw two; 10. Limit rod; 11. Rotating rod; 12. Limit groove; 13. Groove; 14. Cooling assembly; 1401. Water pump; 1402. Water pipe one; 1403. Water tank; 1404. Water pipe two; 1405. Water pipe three; 1406. Water pipe four. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1: Figure 1-8 As shown, the utility model provides a twin-screw silicone rubber extrusion device, including a base plate 1, a base 2 is fixedly installed on the bottom of the base plate 1, a drive box 3 and a box body 4 are fixedly installed on the top of the base plate 1, a feeding assembly 5 is fixedly installed on the top of the box body 4, a box door 6 is rotatably installed on the front side of the drive box 3, a support assembly 7 is fixedly installed on the top of the base plate 1, a silo 8 is fixedly installed on the top of the support assembly 7, an extrusion assembly 9 is provided on the top of the base plate 1, a limiting rod 10 is fixedly installed on the front side of the box door 6, a rotating rod 11 is rotatably installed on the front side of the drive box 3, a limiting groove 12 is provided on the outer side of the rotating rod 11, a groove 13 is provided inside the silo 8, and a cooling assembly 14 is provided on the top of the base plate 1.

[0032] Specifically, the feeding assembly 5 includes a motor 1 501, an auger 502, a mounting plate 503, a feed bin 1 504, a sleeve 505, a feed bin 2 506, a feed hopper 507, a motor 2 508, a stirring shaft 509 and a stirring rod 510. The output end of the motor 1 501 is fixedly mounted with the auger 502, the top of the box 4 is fixedly mounted with the mounting plate 503, the top of the mounting plate 503 is fixedly mounted with the feed bin 1 504, and the outer side of the feed bin 1 504 is fixedly mounted with the sleeve 505. 05, a second feed bin 506 is fixedly mounted on the outside of the sleeve 505, a feed hopper 507 is fixedly mounted on the top of the first feed bin 504, a second motor 508 is fixedly mounted on the top of the feed hopper 507, a stirring shaft 509 is fixedly mounted on the output end of the second motor 508, a stirring rod 510 is fixedly mounted on the outside of the stirring shaft 509, the auger 502 is located inside the sleeve 505, and the first feed bin 504, the sleeve 505, the second feed bin 506, the feed hopper 507 and the silo 8 are connected. The advantage is that when the staff starts the motor 1 501, the output shaft of the motor 1 501 rotates, driving the auger 502 to rotate, thereby adding materials to the interior of the silo 8. Through the design of the feed assembly 5, the materials can be evenly added to the interior of the silo 8, avoiding blockage and affecting the normal use of the whole.

[0033] Specifically, the stirring rods 510 are adapted to the inner wall of the feed hopper 507, and a plurality of the same stirring rods 510 are provided, and the plurality of stirring rods 510 are symmetrically distributed about the centerline of the stirring shaft 509. Advantageously, when a worker starts the second motor 508, the output shaft of the second motor 508 rotates, driving the stirring shaft 509 to rotate, and the rotation of the stirring shaft 509 drives the stirring rods 510 to rotate. The design of the second motor 508, the stirring shaft 509, and the stirring rods 510 prevents material from clogging inside the feed hopper 507, and allows material to enter the first feed bin 504 more evenly. The design of the plurality of stirring rods 510 improves stirring efficiency.

[0034] Specifically, the extrusion assembly 9 includes a motor 3 901, a pulley 1 902, a rotating shaft 1 903, a pulley 2 904, a transmission belt 905, a gear 1 906, a rotating shaft 2 907, a gear 2 908, a screw 1 909 and a screw 2 910. The symmetrical ends of the motor 3 901 are fixedly mounted with a pulley 1 902, the interior of the drive box 3 is rotatably mounted with a rotating shaft 1 903, the outer side of the rotating shaft 1 903 is fixedly mounted with a pulley 2 904, and a transmission belt is provided between the pulley 1 902 and the pulley 2 904. 905, gear one 906 is fixedly installed on the outer side of rotating shaft one 903, rotating shaft two 907 is rotatably installed inside driving box 3, gear two 908 is fixedly installed on the outer side of rotating shaft two 907, screw one 909 is fixedly installed on the outer side of rotating shaft one 903, screw two 910 is fixedly installed on the outer side of rotating shaft two 907, gear one 906 and gear two 908 are meshingly connected, pulley one 902, pulley two 904, transmission belt 905, gear one 906 and gear two 908 are located inside driving box 3. The advantage is that the staff starts the motor three 901, and the output shaft of the motor three 901 drives the rotating shaft one 903 to rotate through the cooperation of the pulley one 902, the pulley two 904 and the transmission belt 905. The rotating shaft one 903 drives the rotating shaft two 907 to rotate through the cooperation of the gear one 906 and the gear two 908, thereby realizing the different direction rotation of the screw one 909 and the screw two 910. The design of the extrusion component 9 facilitates the mixed extrusion of silicone rubber, is not easy to be blocked, and has high working efficiency.

[0035] Example 2: Figure 2-8 As shown, it is an improvement to the previous embodiment.

[0036] Specifically, the limiting rod 10 is adapted to the limiting groove 12, and the cross-section of the limiting rod 10 is T-shaped. Advantageously, the operator can rotate the rotating rod 11 to engage the limiting rod 10 in the limiting groove 12, thereby quickly securing the door 6. The design of the rotating rod 11, limiting rod 10, and limiting groove 12 facilitates quick securing of the door 6 and facilitates subsequent maintenance and repair of the extrusion assembly 9.

[0037] Specifically, the cooling assembly 14 includes a water pump 1401, water pipe 1 1402, a water tank 1403, water pipe 2 1404, water pipe 3 1405 and water pipe 4 1406. Water pipe 1 1402 is arranged on the outside of the water pump 1401, and a water tank 1403 is arranged inside the box body 4. Water pipe 2 1404 is arranged on the outside of the water pump 1401, water pipe 3 1405 is arranged on the outside of water pipe 2 1404, and water pipe 4 1406 is arranged on the outside of the water tank 1403. Water pipe 1 1402, the water tank 1403, water pipe 2 1404, water pipe 3 1405 and water pipe 4 1406 are communicated with each other. Water pipe 3 1405 is located inside the groove 13, and water pipe 3 1405 has a "snake-shaped" structure. The advantage is that the staff starts the water pump 1401, and the water pump 1401 sucks out the water inside the water tank 1403 through the water pipe 1 1402, and then discharges it into the inside of the water pipe 3 1405 through the water pipe 2 1404, so as to cool the silicone rubber, and then the water is converged into the inside of the water tank 1403 through the water pipe 4 1406 to realize water circulation. The design of the cooling component 14 facilitates the cooling of the silicone rubber, avoids poor cooling effect, resulting in excessively high material temperature and affecting product quality, and the "snake-shaped" structure design of the water pipe 3 1405 increases the contact area and improves the cooling efficiency.

[0038] Specifically, a plurality of identical bases 2 are provided, and the plurality of bases 2 are symmetrically distributed about the center line of the base plate 1. The advantage is that the design of the base 2 makes the entire structure more stable during operation, less prone to shaking, and has higher stability. The design of the plurality of bases 2 further improves the overall stability.

[0039] Working principle: When in use, the staff first connects the external power supply, and then starts the motor 2 508. The output shaft of the motor 2 508 rotates, driving the stirring shaft 509 to rotate. The rotation of the stirring shaft 509 drives the stirring rod 510 to rotate. The design of the motor 2 508, the stirring shaft 509 and the stirring rod 510 can avoid the material from being blocked inside the feed hopper 507, and also make the material enter the feed bin 1 504 more evenly. The design of multiple stirring rods 510 can improve the stirring efficiency. The staff starts the motor 1 501, and the output shaft of the motor 1 501 rotates, driving the stirring rod 510 to rotate. Dragon 502 rotates, so that the material can be added to the interior of the silo 8. Through the design of the feeding component 5, the material can be evenly added to the interior of the silo 8 to avoid blockage and affect the normal use of the whole. The staff starts the motor three 901. The output shaft of the motor three 901 drives the rotating shaft 1 903 to rotate through the cooperation of the pulley 1 902, the pulley 2 904 and the transmission belt 905. The rotating shaft 1 903 drives the rotating shaft 2 907 to rotate through the cooperation of the gear 1 906 and the gear 2 908, thereby realizing the opposite rotation of the screw 1 909 and the screw 2 910. The design of the extrusion assembly 9 facilitates the mixing and extrusion of the silicone rubber, is not easy to clog, and has high work efficiency. The staff starts the water pump 1401, and the water pump 1401 sucks the water from the water tank 1403 through the water pipe 1 1402, and then discharges it into the water pipe 3 1405 through the water pipe 2 1404, which can cool the silicone rubber. Then, the water is converged into the water tank 1403 through the water pipe 4 1406 to realize water circulation. The design of the cooling assembly 14 facilitates the cooling of the silicone rubber, avoiding poor cooling effect, resulting in excessively high material temperature, and affecting product quality. The water pipe 3 1405 is designed with a "snake-shaped" structure to increase the contact area and improve the cooling efficiency. The design of the base 2 makes the whole more stable during operation, less prone to shaking, and has higher stability. The design of multiple bases 2 further improves the overall stability. After long-term use, the staff rotates the rotating rod 11 to make the limit rod 10 fit into the inside of the limit groove 12, which can achieve rapid fixation of the box door 6. The design of the rotating rod 11, the limit rod 10 and the limit groove 12 facilitates rapid fixation of the box door 6, and facilitates subsequent maintenance and repair of the extrusion assembly 9.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A twin-screw silicone rubber extruder, comprising a bottom plate (1), characterized in that: The bottom of the bottom plate (1) is fixedly mounted with a base (2), the top of the bottom plate (1) is fixedly mounted with a drive box (3) and a box body (4), the top of the box body (4) is fixedly mounted with a feed assembly (5), the front side of the drive box (3) is rotatably mounted with a box door (6), the top of the bottom plate (1) is fixedly mounted with a support assembly (7), the top of the support assembly (7) is fixedly mounted with a silo (8), the top of the bottom plate (1) is provided with an extrusion assembly (9), the front side of the box door (6) is fixedly mounted with a limiting rod (10), the front side of the drive box (3) is rotatably mounted with a rotating rod (11), the outer side of the rotating rod (11) is provided with a limiting groove (12), the interior of the silo (8) is provided with a groove (13), and the top of the bottom plate (1) is provided with a cooling assembly (14).

2. A twin-screw silicone rubber extruder according to claim 1, characterized in that: The feeding assembly (5) comprises a motor (501), an auger (502), a mounting plate (503), a feeding bin (504), a sleeve (505), a feeding bin (506), a feeding hopper (507), a motor (508), a stirring shaft (509) and a stirring rod (510), wherein the output end of the motor (501) is fixedly mounted with the auger (502), the top of the housing (4) is fixedly mounted with the mounting plate (503), the top of the mounting plate (503) is fixedly mounted with the feeding bin (504), and the outer side of the feeding bin (504) is fixedly mounted with the sleeve (505). A second feed bin (506) is fixedly mounted on the outside of the sleeve (505), a feed hopper (507) is fixedly mounted on the top of the first feed bin (504), a second motor (508) is fixedly mounted on the top of the feed hopper (507), a stirring shaft (509) is fixedly mounted on the output end of the second motor (508), a stirring rod (510) is fixedly mounted on the outside of the stirring shaft (509), the auger (502) is located inside the sleeve (505), and the first feed bin (504), the sleeve (505), the second feed bin (506), the feed hopper (507) and the silo (8) are connected.

3. A twin-screw silicone rubber extruder according to claim 2, characterized in that: The stirring rod (510) is adapted to the inner wall of the feed hopper (507), and a plurality of the stirring rods (510) are provided. The plurality of stirring rods (510) are symmetrically distributed about the center line of the stirring shaft (509).

4. A twin-screw silicone rubber extruder according to claim 3, characterized in that: The extrusion assembly (9) includes a motor three (901), a pulley one (902), a rotating shaft one (903), a pulley two (904), a transmission belt (905), a gear one (906), a rotating shaft two (907), a gear two (908), a screw one (909) and a screw two (910), wherein the symmetrical ends of the motor three (901) are fixedly mounted with a pulley one (902), the interior of the drive box (3) is rotatably mounted with a rotating shaft one (903), the outer side of the rotating shaft one (903) is fixedly mounted with a pulley two (904), and a transmission belt (905) is provided between the pulley one (902) and the pulley two (904). ), a gear 1 (906) is fixedly mounted on the outer side of the rotating shaft 1 (903), a rotating shaft 2 (907) is rotatably mounted inside the driving box (3), a gear 2 (908) is fixedly mounted on the outer side of the rotating shaft 2 (907), a screw 1 (909) is fixedly mounted on the outer side of the rotating shaft 1 (903), a screw 2 (910) is fixedly mounted on the outer side of the rotating shaft 2 (907), the gear 1 (906) and the gear 2 (908) are meshedly connected, and the pulley 1 (902), the pulley 2 (904), the transmission belt (905), the gear 1 (906) and the gear 2 (908) are located inside the driving box (3).

5. A twin-screw silicone rubber extruder according to claim 4, characterized in that: The limiting rod (10) is adapted to the limiting groove (12), and the cross section of the limiting rod (10) is a "T"-shaped structure.

6. A twin-screw silicone rubber extruder according to claim 5, characterized in that: The cooling assembly (14) includes a water pump (1401), a water pipe 1 (1402), a water tank (1403), a water pipe 2 (1404), a water pipe 3 (1405) and a water pipe 4 (1406). The water pump (1401) is provided with a water pipe 1 (1402) on the outside, the box (4) is provided with a water tank (1403) on the inside, the water pump (1401) is provided with a water pipe 2 (1404) on the outside, and the Water pipe three (1405) is arranged on the outside of water pipe two (1404), and water pipe four (1406) is arranged on the outside of the water tank (1403). Water pipe one (1402), the water tank (1403), water pipe two (1404), water pipe three (1405) and water pipe four (1406) are connected. Water pipe three (1405) is located inside the groove (13), and water pipe three (1405) has a "snake-shaped" structure.

7. A twin-screw silicone rubber extruder according to claim 6, characterized in that: The bases (2) are provided in a plurality of the same types, and the plurality of bases (2) are symmetrically distributed about the center line of the bottom plate (1).

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