A raw material processing apparatus for modified rubber and a processing method

Abstract

This invention discloses a modified rubber raw material processing equipment and method, relating to the technical field of modified rubber raw material processing equipment. The modified waste rubber raw material processing equipment includes a housing, with a motor fixed to the outer wall of the housing. A rotating rod is fixed to the output end of the motor, penetrating the housing and rotatably connected at the penetration point. A crushing roller is fixed to the end of the rotating rod. A hollow rod penetrates the side wall of the housing and is fixedly connected at the penetration point. By incorporating a semiconductor cooling chip, a small fan, a circular cavity, and a cooling chip controller, before the crushing roller operates, the cooling chip is activated by the cooling chip controller, and the small fan is powered on. This causes the temperature inside the circular cavity of the crushing roller to decrease, and the temperature decrease is more uniform under the action of the small fan. This solves the problem of waste rubber melting and sticking to the crushing roller due to the high temperature generated during the crushing process.

Description

Technical Field

[0001] This invention relates to the technical field of raw material processing equipment for modified rubber, specifically to a raw material processing equipment and method for modified rubber. Background Technology

[0002] Modified rubber raw material processing equipment is mainly used for screening, crushing, and grinding waste rubber, scraps, and waste rubber products. It crushes large pieces of waste rubber into rubber particles and powders of a specified size for subsequent deep processing processes such as desulfurization, modification, mixing, and regranulation. It is a core piece of equipment in the field of waste rubber resource recycling and reuse, and is widely used in rubber product factories, renewable resource processing plants, and new material preparation enterprises.

[0003] Currently, conventional modified rubber raw material processing equipment on the market relies solely on natural air cooling of the crushing roller surface for heat dissipation. This has low heat dissipation efficiency and cannot meet the heat dissipation requirements of long-term continuous crushing operations. When the crushing roller overheats after prolonged use, it can easily cause the rubber on the surface of the crushing roller to soften, resulting in a large amount of softened rubber material adhering to the surface of the crushing roller. This can easily lead to blockage of the crushing roller and affect subsequent normal crushing operations. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a processing device and method for modified rubber raw materials, which solves the problems mentioned in the background section.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a raw material processing device for modified rubber, comprising a housing, a motor fixed to the outer wall of the housing, a rotating rod fixed to the output end of the motor, the rotating rod penetrating the housing and rotatably connected at the penetration point, a crushing roller fixed to the end of the rotating rod, a hollow rod penetrating the side wall of the housing and fixedly connected at the penetration point, the hollow rod rotatably connected to the crushing roller, a feed cylinder fixed to the top of the housing, and a discharge port opened on the outer wall of the feed cylinder; A semiconductor cooling chip is fixed to the outer end of a hollow rod, and a circular cavity is opened inside the crushing roller. The semiconductor cooling chip is used to cool the crushing roller.

[0006] According to the above technical solution, a small fan is fixed to the inner wall of the hollow rod, and a refrigeration chip controller is fixed to the outer wall of the box.

[0007] According to the above technical solution, the refrigeration chip controller is electrically connected to the semiconductor refrigeration chip, and the small fan is used to improve the cooling effect of the crushing roller.

[0008] According to the above technical solution, a heat dissipation device is provided on the top of the box to cool down the waste rubber; a discharge device is provided on the top of the box to further improve the cooling effect of the waste rubber.

[0009] According to the above technical solution, the heat dissipation device includes: a large cavity, which is opened inside the side wall of the feed cylinder. The inner wall of the feed cylinder is provided with air holes. A large fan is provided at the bottom of the feed cylinder. The large fan includes: a shell, a fixing plate, a drive motor, a rotating shaft, and fan blades. The shell is fixed below the feed cylinder. The fixing plate is fixed to the inner wall of the shell. The drive motor is fixed below the fixing plate. The rotating shaft is fixed to the output end of the drive motor. The rotating shaft passes through the center of the fixing plate and is rotatably connected at the point of penetration. The fan blades are fixed to the end of the rotating shaft. A heat-conducting plate is fixed to the lower end of the shell. A heat-conducting sheet is fixed below the heat-conducting plate.

[0010] According to the above technical solution, the heat-conducting sheet penetrates the outer wall of the hollow rod and is fixedly connected at the penetration point. A reciprocating screw is fixed above the center of the large fan blade. A circular plate is slidably connected to the outer wall of the reciprocating screw. The circular plate is slidably connected to the inner wall of the shell. The circular plate is used to make the air temperature entering the large fan lower.

[0011] According to the above technical solution, the discharge device includes: a long shaft, the end of which is fixed above a reciprocating screw, and a cross plate is fixed to the outer wall of the long shaft, the cross plate being used to discharge waste rubber intermittently.

[0012] According to the above technical solution, a small cavity is provided inside the long shaft, a groove is provided on the outer wall of the central shaft of the cross plate, a vibrating plate is slidably connected to the inner wall of the small cavity, the vibrating plate is slidably connected to the groove, a spring is fixed below the vibrating plate, the spring is fixedly connected to the inner wall of the small cavity, an upper protrusion is fixed to the side wall of the vibrating plate, and a lower protrusion is fixed to the bottom of the inner side of the feed cylinder.

[0013] A method for processing raw materials for modified rubber includes the following steps: Step 1: First, start the motor, small fan and large fan, and at the same time operate the cooling chip controller to make the semiconductor cooling chip work. After the motor starts, the motor drives the hollow rod and crushing roller to rotate. The crushing rollers on both sides rotate in the same direction. Add the waste rubber into the feed cylinder, so that the waste rubber falls to the crushing roller for crushing. Step 2: After the semiconductor cooling chip is working, the temperature of the large cavity inside the crushing roller decreases, and under the action of the small fan, the temperature of the cold end of the semiconductor cooling chip is blown into the large cavity. Step 3: After the semiconductor cooling chip and the large fan are started, the waste rubber is poured into the feeding cylinder. The semiconductor cooling chip reduces the temperature of the heat-conducting plate and the heat-conducting plate. The air below the large fan is cooled by the heat-conducting plate and then blown into the large cavity above and blown out from the air hole to cool the waste rubber. Step 4: After crushing the waste rubber, turn off the motor, small fan, large fan, and semiconductor refrigeration chip.

[0014] This invention provides a processing device and method for raw materials used in modified rubber. It offers the following advantages: 1. This invention, by incorporating a semiconductor cooling chip, a circular cavity, and a cooling chip controller, activates the semiconductor cooling chip and powers a small fan before the crushing roller begins operation. This lowers the temperature inside the circular cavity of the crushing roller, preventing overheating during prolonged operation and thus preventing the rubber from softening and sticking to the roller's surface. Furthermore, the small fan directs airflow towards the semiconductor cooling chip, allowing the cooled airflow to circulate within the crushing roller and make full contact with it. This results in a more uniform temperature drop within the crushing roller, solving the problem of high temperatures during the crushing process causing the waste rubber to soften and stick, leading to roller blockage.

[0015] 2. This invention, by setting up a large cavity, air holes, a large fan, heat-conducting plates, and a heat-conducting plate, can transport low-temperature air that has been fully cooled by the heat-conducting plate upwards when the large fan is running. The air is then continuously blown into the feed cylinder through the air holes, forcibly cooling the waste rubber accumulated inside the cylinder. This ensures that the overall temperature of the waste rubber has been effectively reduced before entering the crushing process, thereby solving the problem of sticking to the surface of the crushing rollers caused by the waste rubber carrying residual heat entering the crushing roller area.

[0016] 3. By setting a reciprocating lead screw and a circular plate, the circular plate moves up and down repeatedly when the large fan is working, which disturbs the air inside the large fan, thereby prolonging the contact time between the air and the heat-conducting plate, making the air cooling effect better, and solving the problem that the air cooling effect is poor when the air is quickly carried away by the large fan and does not have sufficient contact with the heat-conducting plate.

[0017] 4. By setting up a small cavity, a cross plate, and a long shaft, the present invention will synchronously drive the long shaft and the cross plate to rotate during the rotation of the reciprocating screw, thereby realizing intermittent discharge control of waste rubber in the feed cylinder. The waste rubber can obtain a longer residence time inside the feed cylinder, so as to fully receive the cooling treatment of the cold air blown out through the air hole, effectively avoiding the sticking problem caused by the waste rubber falling into the crushing roller area for crushing before it has cooled down.

[0018] 5. By incorporating a spring, a slot, a vibrating plate, a lower protrusion, and an upper protrusion, this invention enables the vibrating plate to reciprocate up and down during the rotation of the cross plate, thanks to the cooperation of the lower and upper protrusions and the elastic force of the spring. This achieves a vibrating discharge of waste rubber from the feed cylinder, effectively avoiding discharge jamming problems that may occur due to material accumulation or friction between the waste rubber and the inner wall of the feed cylinder, ensuring smooth discharge of waste rubber. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention; Figure 3 This is a partial structural diagram of the present invention; Figure 4 This is a partial structural diagram of the present invention; Figure 5 This is a schematic diagram of the heat dissipation device structure of the present invention; Figure 6 This is a schematic diagram of the material discharge device of the present invention; Figure 7 This is a schematic diagram of the material discharge device of the present invention.

[0020] In the diagram: 1. Housing; 2. Motor; 3. Rotating rod; 4. Crushing roller; 5. Feed cylinder; 6. Discharge port; 7. Hollow rod; 8. Semiconductor cooling chip; 9. Small fan; 10. Circular cavity; 11. Cooling chip controller; 121. Large cavity; 122. Air hole; 123. Large fan; 124. Heat-conducting plate; 125. Heat-conducting plate; 126. Reciprocating screw; 127. Circular plate; 131. Small cavity; 132. Cross plate; 133. Spring; 134. Groove; 135. Vibrating plate; 136. Lower protrusion; 137. Upper protrusion; 138. Long shaft. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figures 1-7One embodiment of the present invention is: a raw material processing device for modified rubber, comprising a housing 1, a motor 2, a rotating rod 3, a crushing roller 4, a feed cylinder 5, a discharge port 6, a hollow rod 7, a semiconductor cooling chip 8, a small fan 9, a circular cavity 10, and a cooling chip controller 11; the motor 2 is fixed to the outer wall of the housing 1, the output end of the motor 2 is fixed to the rotating rod 3, the rotating rod 3 passes through the housing 1 and is rotatably connected at the point of penetration, the end of the rotating rod 3 is fixed to the crushing roller 4, and the side wall of the housing 1 is penetrated by the hollow rod 7 and is fixedly connected at the point of penetration. Hollow rod 7 is rotatably connected to crushing roller 4. Feed cylinder 5 is fixed on the top of housing 1. Feed outlet 6 is opened on the outer wall of feed cylinder 5. Semiconductor cooling chip 8 is fixed on the outer end of hollow rod 7. Circular cavity 10 is opened inside crushing roller 4. Semiconductor cooling chip 8 is used to cool crushing roller 4. Small fan 9 is fixed on the inner wall of hollow rod 7. Cooling chip controller 11 is fixed on the outer wall of housing 1. Cooling chip controller 11 is electrically connected to semiconductor cooling chip 8. Small fan 9 is used to make the cooling effect of crushing roller 4 better. By setting up a semiconductor cooling chip 8, a small fan 9, a circular cavity 10, and a cooling chip controller 11, the semiconductor cooling chip 8 is activated by the cooling chip controller 11 before the crushing roller 4 starts working, and the small fan 9 is powered on. This causes the temperature inside the circular cavity 10 of the crushing roller 4 to drop, and the temperature inside the crushing roller 4 drops more evenly under the action of the small fan 9. This solves the problem that the waste rubber melts and sticks to the crushing roller 4 due to the high temperature generated during the crushing process of the crushing roller 4.

[0023] In this embodiment, the motor 2, small fan 9, and large fan 123 are started first, and the thermoelectric cooler controller 11 is operated simultaneously to make the thermoelectric cooler 8 work. After the motor 2 starts, the motor 2 drives the hollow rod 7 and the crushing roller 4 to rotate. The two sets of crushing rollers 4 rotate inward. When the waste rubber falls into the crushing roller 4, the crushing rollers 4 on both sides crush the waste rubber. During the crushing process, the crushing roller 4 generates high temperature under the friction of crushing. After the thermoelectric cooler 8 works, the temperature of the large cavity 121 in the crushing roller 4 decreases. Under the action of the small fan 9, the airflow in the large cavity 121 is blown towards the thermoelectric cooler 8, so that the cooled airflow flows in the large cavity 121 in the crushing roller 4 and makes full contact with the inner wall of the crushing roller 4, so that the temperature inside the crushing roller 4 decreases more evenly.

[0024] Please see Figures 1-7 Based on the above embodiments, in another embodiment of the present invention, a heat dissipation device is provided above the box 1, which is used to cool down the waste rubber.

[0025] The heat dissipation device includes: a large cavity 121, an air hole 122, a large fan 123, a heat-conducting plate 124, a heat-conducting plate 125, a reciprocating screw 126, and a circular plate 127. The large cavity 121 is opened inside the side wall of the feed cylinder 5. The inner wall of the feed cylinder 5 is provided with an air hole 122. The bottom of the feed cylinder 5 is provided with a large fan 123. The large fan 123 includes: a housing, a fixed plate, a drive motor, a rotating shaft, and fan blades. The housing is fixed below the feed cylinder 5. The fixed plate is fixed to the inner wall of the housing. The drive motor is fixed below the fixed plate. The rotating shaft is fixed to the output end of the drive motor. The rotating shaft passes through the center of the fixed plate and is rotatably connected at the point of penetration. The fan blades are fixed to the end of the rotating shaft. The lower end of the housing is fixed with a heat-conducting plate 125. The heat-conducting plate 124 is fixed below the heat-conducting plate 125.

[0026] The heat-conducting plate 124 passes through the outer wall of the hollow rod 7 and is fixedly connected at the point of penetration. A reciprocating screw 126 is fixed above the center of the fan blade of the large fan 123. A circular plate 127 is slidably connected to the outer wall of the reciprocating screw 126. The circular plate 127 is slidably connected to the inner wall of the housing of the large fan 123. The circular plate 127 is used to make the air temperature entering the large fan 123 lower.

[0027] By setting up a large cavity 121, air hole 122, large fan 123, heat-conducting plate 124 and heat-conducting plate 125, after the large fan 123 is working, the large fan 123 blows the air cooled by the heat-conducting plate 125 upward and cools the waste rubber in the feed cylinder 5 through the air hole 122, so that the temperature of the waste rubber is lowered before crushing, thus solving the problem of the waste rubber sticking to the crushing roller 4 caused by entering the crushing roller 4 with heat. By setting the reciprocating screw 126 and the circular plate 127, when the large fan 123 is working, the circular plate 127 moves up and down back and forth, which disturbs the air inside the large fan 123, thereby prolonging the contact time between the air and the heat-conducting plate 125, making the air cooler, and solving the problem of poor cooling effect caused by insufficient contact between the air and the heat-conducting plate 125 when the air is quickly carried away by the large fan 123.

[0028] A discharge device is installed on the top of the housing 1. The discharge device is used to improve the cooling effect of waste rubber. The discharge device includes: a long shaft 138, a small cavity 131, a cross plate 132, a spring 133, a groove 134, a vibrating plate 135, a lower protrusion 136, and an upper protrusion 137. The end of the long shaft 138 is fixed above the reciprocating screw 126. The cross plate 132 is fixed to the outer wall of the long shaft 138. The cross plate 132 is used to discharge waste rubber intermittently. The long shaft 138 has a small cavity 131 inside. The outer wall of the central shaft of the cross plate 132 has a slot 134. The inner wall of the small cavity 131 is slidably connected to a vibrating plate 135. The vibrating plate 135 is slidably connected to the slot 134. A spring 133 is fixed below the vibrating plate 135. The spring 133 is fixedly connected to the inner wall of the small cavity 131. An upper protrusion 137 is fixed to the side wall of the vibrating plate 135. A lower protrusion 136 is fixed to the bottom of the inner side of the feed cylinder 5.

[0029] By setting up a small cavity 131, a cross plate 132, and a long shaft 138, the reciprocating screw 126 rotates, driving the long shaft 138 and the cross plate 132 to rotate, thereby intermittently discharging the waste rubber in the feed cylinder 5, allowing the waste rubber to stay in the feed cylinder 5 for a longer time, so that it can be cooled by the cold air blown out of the air hole 122, solving the problem of the waste rubber sticking when it falls to the crushing roller 4 before it is cooled down; By setting up spring 133, slot 134, vibrating plate 135, lower protrusion 136 and upper protrusion 137, the vibrating plate 135 moves up and down repeatedly during the rotation of cross plate 132, thereby vibrating and discharging the waste rubber in the feed cylinder 5, solving the problem of possible jamming when discharging waste rubber in the feed cylinder 5.

[0030] A method for processing raw materials for modified rubber includes the following steps: Step 1: First, start motor 2, small fan 9 and large fan 123, and at the same time operate the cooling chip controller 11 to make the semiconductor cooling chip 8 work. After motor 2 starts, motor 2 drives the hollow rod 7 and crushing roller 4 to rotate. The crushing rollers 4 on both sides rotate in the same direction, and the waste rubber is added into the feed cylinder 5, so that the waste rubber falls to the crushing roller 4 for crushing. Step 2: After the semiconductor cooling chip 8 is working, the temperature of the large cavity 121 in the crushing roller 4 is reduced, and under the action of the small fan 9, the temperature of the cold end of the semiconductor cooling chip 8 is blown to the large cavity 121. Step 3: After the semiconductor cooling chip 8 and the large fan 123 are started, the waste rubber is poured into the feed cylinder 5. The semiconductor cooling chip 8 lowers the temperature of the heat-conducting plate 124 and the heat-conducting plate 125. The air below the large fan 123 is cooled by the heat-conducting plate 125 and then blown into the large cavity 121 above and blown out from the air hole 122 to cool the waste rubber. Step 4: After crushing the waste rubber, turn off motor 2, small fan 9, large fan 123 and semiconductor refrigeration chip 8.

[0031] In this embodiment, after the semiconductor cooling chip 8 and the large fan 123 are started, the semiconductor cooling chip 8 lowers the temperature of the heat-conducting plate 124 and the heat-conducting plate 125. The air below the large fan 123 is cooled by the heat-conducting plate 125 and then blown into the large cavity 121 above, and blown out from the air hole 122, thereby cooling the waste rubber in the feed cylinder 5. During the rotation of the fan blades of the large fan 123, the reciprocating screw 126 rotates synchronously, thereby causing the circular plate 127 to move up and down. The circular plate 127 further obstructs and turbulents the air blown upward by the large fan 123, prolonging the contact time between the air and the heat sink, resulting in a lower air temperature.

[0032] During the rotation of the reciprocating screw 126, the long shaft 138 rotates synchronously, which in turn drives the cross plate 132 to rotate. This causes the cross plate 132 to intermittently discharge the waste rubber from the feed cylinder 5. When the waste rubber is pushed to the discharge port 6, it falls to the crushing roller 4 below for crushing. During the rotation of the cross plate 132, the vibrating plate 135 rotates synchronously. When the upper protrusion 137 on the edge of the vibrating plate 135 contacts the lower protrusion 136 at the bottom of the inner side of the feed cylinder 5, the upper protrusion 137 and the vibrating plate 135 are forced to move upward, accompanied by the stretching of the spring 133. When the upper protrusion 137 leaves the lower protrusion 136, under the action of gravity and the reset action of the spring 133, the vibrating plate 135 moves downward. That is, during the rotation of the cross plate 132, the vibrating plate 135 moves up and down reciprocally, creating a vibration effect on the waste rubber, which facilitates its discharge.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A raw material processing device for modified rubber, characterized in that, include: A box body (1) is provided with a motor (2) fixed on its outer wall. A rotating rod (3) is fixed at the output end of the motor (2). The rotating rod (3) passes through the side wall of the box body (1) and is rotatably connected at the point of penetration. A crushing roller (4) is fixed at the end of the rotating rod (3). A hollow rod (7) passes through the side wall of the box body (1) and is fixedly connected at the point of penetration. The hollow rod (7) is rotatably connected to the crushing roller (4). A feed cylinder (5) is fixed above the box body (1). An outlet (6) is provided on the outer wall of the feed cylinder (5). A semiconductor cooling chip (8) is fixed to the outer end of a hollow rod (7). A circular cavity (10) is provided inside the crushing roller (4). The semiconductor cooling chip (8) is used to cool the crushing roller (4).

2. The raw material processing equipment for modified rubber according to claim 1, characterized in that: A small fan (9) is fixed to the inner wall of the hollow rod (7), and a refrigeration chip controller (11) is fixed to the outer wall of the box (1).

3. The raw material processing equipment for modified rubber according to claim 2, characterized in that: The refrigeration controller (11) is electrically connected to the semiconductor refrigeration chip (8), and the small fan (9) is used to improve the cooling effect of the crushing roller (4).

4. The raw material processing equipment for modified rubber according to claim 3, characterized in that: A heat dissipation device is provided above the box (1) to cool down the waste rubber; a discharge device is provided above the box (1) to discharge the waste rubber intermittently.

5. The raw material processing equipment for modified rubber according to claim 4, characterized in that: The heat dissipation device includes: a large cavity (121), which is opened inside the side wall of the feed cylinder (5). The inner wall of the feed cylinder (5) is provided with air holes (122). A large fan (123) is provided at the bottom of the feed cylinder (5). The large fan (123) includes: a shell, a fixing plate, a drive motor, a rotating shaft and fan blades. The shell is fixed below the feed cylinder (5). The fixing plate is fixed to the inner wall of the shell. The drive motor is fixed below the fixing plate. The rotating shaft is fixed at the output end of the drive motor. The rotating shaft passes through the center of the fixing plate and is rotatably connected at the point of penetration. The fan blades are fixed at the end of the rotating shaft. A heat-conducting plate (125) is fixed at the lower end of the shell. A heat-conducting sheet (124) is fixed below the heat-conducting plate (125).

6. The raw material processing equipment for modified rubber according to claim 5, characterized in that: The heat-conducting plate (124) penetrates the outer wall of the hollow rod (7) and is fixedly connected at the penetration point. A reciprocating screw (126) is fixed above the center of the fan blade of the large fan (123). A circular plate (127) is slidably connected to the outer wall of the reciprocating screw (126). The circular plate (127) is slidably connected to the inner wall of the shell. The circular plate (127) is used to make the air temperature entering the large fan (123) lower.

7. The raw material processing equipment for modified rubber according to claim 6, characterized in that: The discharge device includes a long shaft (138), the end of which is fixed above a reciprocating screw (126), and a cross plate (132) is fixed to the outer wall of the long shaft (138). The cross plate (132) is used to discharge waste rubber intermittently.

8. The raw material processing equipment for modified rubber according to claim 7, characterized in that: The long shaft (138) has a small cavity (131) inside. The outer wall of the central shaft of the cross plate (132) has a slot (134). The inner wall of the small cavity (131) is slidably connected to a vibrating plate (135). The vibrating plate (135) is slidably connected to the slot (134). A spring (133) is fixed below the vibrating plate (135). The spring (133) is fixedly connected to the inner wall of the small cavity (131). An upper protrusion (137) is fixed to the side wall of the vibrating plate (135). A lower protrusion (136) is fixed to the bottom of the inner side of the feed cylinder (5).

9. A method for processing raw materials for modified rubber, using the raw material processing equipment for modified rubber as described in claim 8, characterized in that: Includes the following steps: Step 1: First, start the motor (2), small fan (9) and large fan (123), and at the same time operate the cooling chip controller (11) to make the semiconductor cooling chip (8) work. After the motor (2) starts, the motor (2) drives the hollow rod (7) and the crushing roller (4) to rotate. The crushing rollers (4) on both sides rotate in the same direction, and the waste rubber is added into the feed cylinder (5) so that the waste rubber falls to the crushing roller (4) for crushing. Step 2: After the semiconductor cooling chip (8) is working, the temperature of the large cavity (121) in the crushing roller (4) decreases, and under the action of the small fan (9), the temperature of the cold end of the semiconductor cooling chip (8) is blown to the large cavity (121). Step 3: After the semiconductor cooling chip (8) and the large fan (123) are started, the waste rubber is poured into the feed cylinder (5). The semiconductor cooling chip (8) causes the temperature of the heat-conducting plate (124) and the heat-conducting plate (125) to decrease. The air below the large fan (123) is cooled by the heat-conducting plate (125) and then blown into the large cavity (121) above and blown out from the air hole (122) to cool the waste rubber. Step 4: After crushing the waste rubber, turn off the motor (2), small fan (9), large fan (123) and semiconductor refrigeration chip (8).

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