Reclaimed rubber powder plasticizing device and process

Abstract

The invention discloses a regenerated rubber powder plasticizing device and process, and particularly relates to the technical field of plasticization, the regenerated rubber powder plasticizing device comprises a plasticizing box, a shrinkage electric cylinder and a shrinkage rod, the shrinkage electric cylinder is fixed to one side of the outer wall of the plasticizing box, the shrinkage rod is fixedly connected to the shrinkage end of the shrinkage electric cylinder, and a distributed embedded plasticizing assembly is arranged at one end of the shrinkage rod; the distributed embedded plasticizing assembly comprises a sleeving shaft block fixedly arranged at one end of the telescopic rod, and a transmission motor is fixedly installed on one side of the sleeving shaft block. According to the device, a shrinkage electric cylinder is adopted to drive a shrinkage rod to move rightwards, the shrinkage rod drives a sleeving shaft block to move rightwards, a transmission shaft rotates in the sleeving shaft block, and a fluctuation pressing ring drives a fluctuation strip to rotate, so that regenerated rubber powder plasticizing raw materials on a plurality of augers can be extruded and embedded in a plurality of interval areas, and uniform heating and mixing treatment of a plurality of nodes is realized; the plasticizing treatment efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of plasticization, and more specifically, the present invention relates to a plasticization device and process for recycled rubber powder. Background Art

[0002] Heating can make the recycled rubber powder reach a certain temperature, reduce its viscosity, and increase its fluidity, thereby making it easier to undergo plasticization deformation. The mixing process can enable the rubber powder to fully contact and be evenly distributed with other additives, accelerating the plasticization reaction and enabling the recycled rubber powder to be better transformed into a plastic state, facilitating subsequent processing and shaping.

[0003] In the existing published literature, the patent with the patent publication number CN101817933A discloses a production device and method for environmentally friendly restored rubber. This technology feeds the plasticized rubber powder into the rubber rolling process, and through kneading and thin pass refining, it makes sheets. The production device and method for this environmentally friendly restored rubber have improved the existing rubber plasticization process ratio, improved the quality of recycled rubber, effectively solved the problem of rubber powder sticking to the wall during the production and transportation process, realized the reuse of rubber volatile components, saved energy, and protected the environment. However, this patent has the following defects.

[0004] When the recycled rubber powder plasticization device performs the plasticization operation on rubber powder, although it can carry out plasticization treatment, during the plasticization process, due to the presence of multiple contact nodes on the surface, it is difficult to achieve uniform heating and mixing treatment of multiple nodes, which leads to a significant decrease in the plasticization treatment efficiency. Summary of the Invention

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a plasticization device and process for recycled rubber powder.

[0006] To achieve the above object, the present invention provides the following technical solution: A plasticization device for recycled rubber powder, comprising a plasticization box, a contraction electric cylinder, and a contraction rod. The contraction electric cylinder is fixed on one side of the outer wall of the plasticization box, the contraction rod is fixedly connected to the contraction end of the contraction electric cylinder, and a distributed embedded plasticization component is provided at one end of the contraction rod; the distributed embedded plasticization component includes a socket shaft block fixedly arranged at one end of the contraction rod, a drive motor is fixedly installed on one side of the socket shaft block, the output end of the drive motor is fixedly connected to a drive shaft, a pressure roller is fixedly connected to the outer wall of the drive shaft and away from the drive motor, a plurality of fluctuation bars are fixedly installed on the outer wall of the pressure roller, and a plurality of fluctuation pressure rings are fixedly sleeved on the outer wall of the fluctuation bars.

[0007] Preferably, the output end of the driving motor is rotatably connected to the socket shaft block. The driving motor is used to drive the transmission shaft to rotate. The plurality of undulating bars are arranged in an equidistant circular arrangement. The plurality of undulating pressure rings are arranged equidistantly from left to right in sequence. There is a gap between two adjacent undulating pressure rings. A plurality of augers are rotatably connected inside the plasticizing box. One end of the plasticizing box is fixedly communicated with a lower discharge box; a controller is fixedly installed on the outer wall of the lower discharge box. A plurality of positioning shaft blocks are fixedly installed on one side of each lower discharge box. A driving motor is fixedly installed on one side of each positioning shaft block. The driving motor is used to drive the auger to rotate. Two mounting bottom plates are fixedly installed on the lower surface of the plasticizing box. A top cover is fixedly connected to the upper surface of the lower discharge box. The cross-sectional shape of the top cover is rectangular.

[0008] When the present technology is in use, the recycled rubber powder is plasticized and poured into the plasticizing box. The driving motor drives the auger to rotate. The auger drives the plasticized recycled rubber powder for transmission and mixing. The retracting electric cylinder drives the retracting rod to move rightward. The socket shaft block drives the driving motor to move rightward. The driving motor drives the transmission shaft to rotate. The transmission shaft drives the pressing roller to rotate. The pressing roller drives the plurality of undulating pressure rings to rotate. The undulating pressure rings drive the undulating bars to rotate, and the plasticized raw materials of the recycled rubber powder on the plurality of augers are extruded and embedded in multiple spaced areas.

[0009] Preferably, a support block is provided on one side of the driving motor. The support block is fixedly connected to the socket shaft block; an intermittent pressing component is installed on one side of the support block; the intermittent pressing component includes a connecting sleeve fixedly arranged on one side of the support block. A linkage electric cylinder is fixedly installed on one side of the connecting sleeve. The output end of the linkage electric cylinder is fixedly connected to a linkage shaft. The linkage shaft is slidably connected to the connecting sleeve. And one end of the linkage shaft is fixedly installed with a linkage bar. The bottom end of the linkage bar is fixedly connected to an arc-shaped plate. A plurality of resistance heating rods are fixedly installed inside the arc-shaped plate; a plurality of pressing protrusions are fixedly connected to the outer wall of the arc-shaped plate. Both ends of the pressing protrusion are fixedly connected with protrusion heads. There is a gap between the arc-shaped plate and the support block. The vertical cross-sectional shape of the arc-shaped plate is arc-shaped. The plurality of resistance heating rods are arranged in an equidistant circular arrangement.

[0010] When the present technology is in use, the arc-shaped plate is heated by a plurality of resistance heating rods. The linkage electric cylinder pushes the linkage shaft to move backward. The linkage bar drives the arc-shaped plate to move backward. The arc-shaped plate drives the plurality of pressing protrusions to move backward. The pressing protrusion drives the protrusion head to move backward. The linkage electric cylinder drives the linkage shaft to move forward. The arc-shaped plate drives the plurality of pressing protrusions to move forward. The pressing protrusion and the protrusion head can realize forward and backward reciprocating heating of the plasticized recycled rubber powder.

[0011] Preferably, a bearing sleeve is rotatably connected to the outer wall of the transmission shaft and near one end thereof; A guide post is slidably connected inside the bearing sleeve and near its bottom end. One end of the guide post is fixedly connected with a connecting block, and the other end of the guide post is fixedly connected with a supporting block. Both the supporting block and the connecting block are fixedly connected to the plasticizing box. The vertical cross-sectional shape of the guide post is circular, and the outer wall of the guide post and the inner wall of the bearing sleeve are both smooth surfaces.

[0012] When the present technology is in use, the bearing sleeve is driven to move by the transmission shaft. The bearing sleeve slides along the outer wall of the guide post in a guided manner, and the guide post supports the supporting block to ensure that the transmission shaft can stably perform the guided sliding operation.

[0013] A process, the method comprising the following steps: Step 1: Distributed embedded plasticization. The driving motor drives the auger to rotate, the retracting electric cylinder drives the retracting rod to move rightward. While the plurality of wave pressing rings and the pressing rollers move rightward, the plasticizing raw material of the recycled rubber powder on the plurality of augers is subjected to extrusion embedding in a plurality of spaced regions. Step 2: Linkage heating. The arc-shaped plate is heated by a plurality of resistance heating rods, the linkage electric cylinder pushes the linkage shaft backward, and the pressing protrusions and the protrusion heads perform reciprocating wave heating on the plasticization of the recycled rubber powder. Step 3: Guided linkage. The transmission shaft drives the bearing sleeve to move, and the guide post supports the supporting block to ensure that the transmission shaft stably performs the guided sliding operation.

[0014] The technical effects and advantages of the present invention: 1. The present invention adopts a retracting electric cylinder to drive the retracting rod to move rightward, the retracting rod drives the socket shaft block to move rightward, the driving motor drives the transmission shaft to rotate, the transmission shaft rotates inside the socket shaft block, the pressing roller drives the plurality of wave pressing rings to rotate, and the wave pressing rings drive the wave bars to rotate, which can perform extrusion embedding on the plasticizing raw material of the recycled rubber powder on the plurality of augers in a plurality of spaced regions, and can achieve uniform heating and mixing treatment at multiple nodes, greatly improving the plasticizing treatment efficiency. 2. The present invention heats the arc-shaped plate through a plurality of resistance heating rods, the arc-shaped plate realizes the heating and softening operation, the linkage bar drives the arc-shaped plate to move backward, the arc-shaped plate drives the plurality of pressing protrusions to move backward, the pressing protrusions drive the protrusion heads to move backward, the linkage shaft drives the linkage bar to make the arc-shaped plate move forward, the arc-shaped plate drives the plurality of pressing protrusions to move forward, and the pressing protrusions and the protrusion heads can perform reciprocating wave heating on the plasticization of the recycled rubber powder, making the plasticization of the recycled rubber powder undergo longitudinal wave change treatment. 3. The present invention adopts the bearing sleeve to slide along the outer wall of the guide post in a guided manner, so that the plasticizing box supports the connecting block, the guide post supports the supporting block, the supporting block supports the plasticizing box, and the transmission shaft can stably perform the guided sliding operation, ensuring that the plasticization operation of the recycled rubber powder is stably carried out at the specified position. Description of the Drawings

[0015] Figure 1 It is a schematic diagram of the overall structure of the recycled rubber powder plasticizing device of the present invention.

[0016] Figure 2 It is a schematic diagram of the partial structure of the connection between the retractable rod and the sleeve shaft block of the present invention.

[0017] Figure 3 It is a schematic diagram of the partial structure of the connection between the top cover and the plasticizing box of the present invention.

[0018] Figure 4 It is a bottom view structural schematic diagram of the recycled rubber powder plasticizing device of the present invention.

[0019] Figure 5 For the present invention Figure 2 Enlarged structural diagram at A in the middle.

[0020] Figure 6 It is a schematic diagram of the local structure of the connection between the arc plate and the linkage bar of the present invention.

[0021] Figure 7 It is a rear structural schematic diagram of the recycled rubber powder plasticizing device of the present invention.

[0022] Figure 8 It is a schematic diagram of the partial structure of the connection between the guide column and the connection block of the present invention.

[0023] The accompanying drawings are marked as follows: 1. plasticizing box; 2. contraction electric cylinder; 3. contraction rod; 4. sleeve shaft block; 5. transmission motor; 6. transmission shaft; 7. pressure roller; 8. undulating pressure ring; 9. undulating bar; 10. auger; 11. lower row box; 12. controller; 13. drive motor; 14. installation base plate; 15. top cover; 16. support block; 17. connecting sleeve; 18. linkage electric cylinder; 19. linkage shaft; 20. linkage bar; 21. arc plate; 22. bearing sleeve; 23. guide column; 24. connecting block; 25. support block; 26. resistance electric heating rod; 27. embossing; 28. convex head; 29. positioning shaft block. DETAILED DESCRIPTION

[0024] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0025] like Figure 1 - Figure 8A plasticizing device for recycled rubber powder as shown. A distributed embedded plasticizing component is arranged on the plasticizing device for recycled rubber powder. The arrangement of the distributed embedded plasticizing component can perform extrusion embedding on the recycled rubber powder plasticizing raw materials on multiple augers 10 in multiple spaced areas, enabling uniform heating and mixing treatment at multiple nodes, greatly improving the plasticizing treatment efficiency. The specific structural arrangement of the distributed embedded plasticizing component is as follows.

[0026] In this embodiment, as Figure 1 - Figure 4 shown, the retractable electric cylinder 2 is fixed on one side of the outer wall of the plasticizing box 1, the retractable rod 3 is fixedly connected to the retractable end of the retractable electric cylinder 2, and a distributed embedded plasticizing component is provided at one end of the retractable rod 3; the distributed embedded plasticizing component includes a socket shaft block 4 fixedly arranged at one end of the retractable rod 3, a transmission motor 5 is fixedly installed on one side of the socket shaft block 4, the output end of the transmission motor 5 is fixedly connected to a transmission shaft 6, a pressure roller 7 is fixedly connected to the outer wall of the transmission shaft 6 and away from the position of the transmission motor 5, a plurality of wave strips 9 are fixedly installed on the outer wall of the pressure roller 7, and a plurality of wave pressure rings 8 are sleeved and fixed on the outer wall of the wave strips 9. The output end of the transmission motor 5 is rotatably connected to the socket shaft block 4, the transmission motor 5 is used to drive the transmission shaft 6 to rotate, and the plurality of wave strips 9 are arranged in an equidistant circular arrangement. The plurality of wave pressure rings 8 are arranged in an equidistant arrangement from left to right in sequence, and there is a gap between adjacent two wave pressure rings 8.

[0027] In this embodiment, as Figure 1 - Figure 4 shown, a plurality of augers 10 are rotatably connected inside the plasticizing box 1, and a lower discharge box 11 is fixedly communicated with one end of the plasticizing box 1. A controller 12 is fixedly installed on the outer wall of the lower discharge box 11, a plurality of positioning shaft blocks 29 are fixedly installed on one side of each lower discharge box 11, and a driving motor 13 is fixedly installed on one side of each positioning shaft block 29. The driving motor 13 is used to drive the auger 10 to rotate, so as to support the plasticizing box 1 through the mounting base plate 14, the plasticizing box 1 supports the lower discharge box 11, the driving motor 13 drives the auger 10 to rotate, the auger 10 drives the recycled rubber powder plasticizing to perform transmission mixing, and the recycled rubber powder plasticizing that is mixed inside the lower discharge box 11 realizes rapid discharge operation. Two mounting base plates 14 are fixedly installed on the lower surface of the plasticizing box 1, and a top cover 15 is fixedly connected to the upper surface of the lower discharge box 11. The cross-sectional shape of the top cover 15 is rectangular, so as to facilitate the top cover 15 to press on the upper surface of the plasticizing box 1, and the mounting base plate 14 can provide a supporting force for the plasticizing box 1, increasing the stability of the plasticizing box 1.

[0028] In this embodiment, as Figure 2 - Figure 6As shown in the figure, a support block 16 is provided on one side of the drive motor 5, and the support block 16 is fixedly connected to the socket shaft block 4; an interval pressing assembly is installed on one side of the support block 16; the interval pressing assembly includes a connecting sleeve 17 fixedly provided on one side of the support block 16, a linkage electric cylinder 18 is fixedly installed on one side of the connecting sleeve 17, the output end of the linkage electric cylinder 18 is fixedly connected to a linkage shaft 19, the linkage shaft 19 is slidably connected to the connecting sleeve 17, and a linkage bar 20 is fixedly installed at one end of the linkage shaft 19. The bottom end of the linkage bar 20 is fixedly connected to an arc-shaped plate 21, and a plurality of resistance heating rods 26 are fixedly installed inside the arc-shaped plate 21.

[0029] A plurality of pressing protrusions 27 are fixedly connected to the outer wall of the arc-shaped plate 21, and convex heads 28 are fixedly connected to both ends of the pressing protrusions 27. There is a gap between the arc-shaped plate 21 and the support block 16. The vertical cross-sectional shape of the arc-shaped plate 21 is arc-shaped, and the plurality of resistance heating rods 26 are arranged in an arc at equal intervals.

[0030] In this embodiment, as Figure 7 - Figure 8 As shown in the figure, a bearing sleeve 22 is rotatably connected to the outer wall of the transmission shaft 6 near one end thereof; a guide post 23 is slidably connected to the inside of the bearing sleeve 22 near the bottom end thereof. One end of the guide post 23 is fixedly connected to a connecting block 24, and the other end of the guide post 23 is fixedly connected to a support block 25. Both the support block 25 and the connecting block 24 are fixedly connected to the plasticizing box 1. The vertical cross-sectional shape of the guide post 23 is circular, and both the outer wall of the guide post 23 and the inner wall of the bearing sleeve 22 are smooth surfaces.

[0031] The working principle of the plasticizing device for recycled rubber powder of the present invention is as follows: Step 1: During distributed embedding and plasticizing, the recycled rubber powder plasticizing agent is poured into the plasticizing box 1. The plasticizing box 1 is supported by the mounting base plate 14, the plasticizing box 1 supports the lower discharge box 11, the lower discharge box 11 supports a plurality of positioning shaft blocks 29, and the positioning shaft blocks 29 support the drive motor 13. The drive motor 13 drives the auger 10 to rotate, and the auger 10 drives the recycled rubber powder plasticizing agent to be transmitted and mixed. At the same time, the retracting electric cylinder 2 drives the retracting rod 3 to move to the right, the retracting rod 3 drives the socket shaft block 4 to move to the right, the socket shaft block 4 drives the drive motor 5 to move to the right, the drive motor 5 drives the transmission shaft 6 to rotate, the transmission shaft 6 rotates inside the socket shaft block 4, and the transmission shaft 6 drives the pressure roller 7 to rotate. The pressure roller 7 drives a plurality of wave pressing rings 8 to rotate, and the wave pressing rings 8 drive the wave bars 9 to rotate. While the plurality of wave pressing rings 8 and the pressure roller 7 can move to the right, they can perform multiple interval area extrusion embedding on the recycled rubber powder plasticizing agent on the plurality of augers 10.

[0032] Step 2: During linked heating, the arc-shaped plate 21 is heated by multiple resistance heating rods 26, and the arc-shaped plate 21 realizes the heating and softening operation. At the same time, the socket shaft block 4 supports the support block 16, the support block 16 supports the connecting sleeve 17, the connecting sleeve 17 supports the linked electric cylinder 18, the linked electric cylinder 18 pushes the linked shaft 19 to move backward, and the linked shaft 19 drives the link bar 20 to move backward, the link bar 20 drives the arc-shaped plate 21 to move backward, the arc-shaped plate 21 drives multiple convex bumps 27 to move backward, and the driving convex head 28 of the convex bump 27 moves backward. By driving the linked shaft 19 to move forward by the linked electric cylinder 18, the linked shaft 19 drives the link bar 20 to make the arc-shaped plate 21 move forward, the arc-shaped plate 21 drives multiple convex bumps 27 to move forward, and the convex bump 27 drives the convex head 28 to move forward. Thus, the convex bump 27 and the convex head 28 can realize reciprocating fluctuation heating for the plasticization of the recycled rubber powder.

[0033] Step 3: During guiding and linking, the bearing sleeve 22 is driven to move by the transmission shaft 6, and the bearing sleeve 22 slides along the outer wall of the guiding column 23. Thus, the plasticizing box 1 supports the connecting block 24, and the connecting block 24 supports the guiding column 23, the guiding column 23 supports the support block 25, and the support block 25 supports the plasticizing box 1, so as to ensure that the transmission shaft 6 can stably realize the guiding sliding operation, and the plasticization of the recycled rubber powder mixed inside the lower row box 11 realizes a rapid discharging operation.

[0034] Contents not described in detail in the specification belong to the well-known prior art in the art, and the model parameters of each electrical appliance are not specifically limited. Conventional equipment can be used. In this technical solution, since the electrical control components not mentioned belong to the prior art, they are not shown in the figure and will not be described herein.

[0035] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A plasticizing device for recycled rubber powder, comprising a plasticizing box (1), a shrinkage electric cylinder (2) and a shrinkage rod (3), characterized in that: The retractable electric cylinder (2) is fixed on one side of the outer wall of the plasticizing box (1), the retractable rod (3) is fixedly connected to the retractable end of the retractable electric cylinder (2), and a distributed embedding plasticizing component is arranged at one end of the retractable rod (3); The distributed embedding plasticizing component includes a socket shaft block (4) fixedly arranged at one end of the retractable rod (3). A driving motor (5) is fixedly installed on one side of the socket shaft block (4). The output end of the driving motor (5) is fixedly connected to a transmission shaft (6). A pressure roller (7) is fixedly connected to the outer wall of the transmission shaft (6) and away from the driving motor (5). A plurality of wave bars (9) are fixedly installed on the outer wall of the pressure roller (7), and a plurality of wave pressure rings (8) are sleeved and fixed on the outer wall of the wave bars (9).

2. The plasticizing device for recycled rubber powder according to claim 1, characterized in that: The output end of the driving motor (5) is rotatably connected to the socket shaft block (4). The driving motor (5) is used to drive the transmission shaft (6) to rotate. The plurality of wave bars (9) are arranged in an equidistant circular arrangement.

3. The plasticizing device for recycled rubber powder according to claim 1, wherein: The plurality of wave pressure rings (8) are arranged in equidistant order from left to right, and there is a gap between adjacent two wave pressure rings (8).

4. The plasticizing device for recycled rubber powder according to claim 1, wherein: A plurality of augers (10) are rotatably connected inside the plasticizing box (1), and a lower discharge box (11) is fixedly communicated with one end of the plasticizing box (1); A controller (12) is fixedly installed on the outer wall of the lower discharge box (11). A plurality of positioning shaft blocks (29) are fixedly installed on one side of each lower discharge box (11). A driving motor (13) is fixedly installed on one side of each positioning shaft block (29). The driving motor (13) is used to drive the auger (10) to rotate.

5. The plasticizing device for recycled rubber powder according to claim 1, characterized in that: Two mounting bottom plates (14) are fixedly installed on the lower surface of the plasticizing box (1). A top cover (15) is fixedly connected to the upper surface of the lower discharge box (11). The cross-sectional shape of the top cover (15) is rectangular.

6. The plasticizing device for recycled rubber powder according to claim 1, characterized in that: There is a support block (16) on one side of the driving motor (5), and the support block (16) is fixedly connected to the socket shaft block (4); An interval pressing component is installed on one side of the support block (16); The interval pressing component includes a connecting sleeve (17) fixedly arranged on one side of the support block (16). A linkage electric cylinder (18) is fixedly installed on one side of the connecting sleeve (17). The output end of the linkage electric cylinder (18) is fixedly connected to a linkage shaft (19). The linkage shaft (19) is slidably connected to the connecting sleeve (17), and a linkage bar (20) is fixedly installed at one end of the linkage shaft (19). The bottom end of the linkage bar (20) is fixedly connected to an arc-shaped plate (21). A plurality of resistance heating rods (26) are fixedly installed inside the arc-shaped plate (21); A plurality of pressing protrusions (27) are fixedly connected to the outer wall of the arc-shaped plate (21), and a convex head (28) is fixedly connected to both ends of the pressing protrusion (27).

7. The plasticizing device for recycled rubber powder according to claim 6, characterized in that: There is a gap between the arc-shaped plate (21) and the support block (16). The vertical cross-sectional shape of the arc-shaped plate (21) is arc-shaped. The plurality of resistance heating rods (26) are arranged in an equidistant circular arrangement.

8. The plasticizing device for recycled rubber powder according to claim 1, characterized in that: A bearing sleeve (22) is rotatably connected to the outer wall of the transmission shaft (6) and near one end of it; A guide post (23) is slidably connected inside the bearing sleeve (22) and near its bottom end. One end of the guide post (23) is fixedly connected to a connecting block (24), and the other end of the guide post (23) is fixedly connected to a support block (25). Both the support block (25) and the connecting block (24) are fixedly connected to the plasticizing box (1).

9. The plasticizing device for recycled rubber powder according to claim 8, characterized in that: The vertical cross-sectional shape of the guide post (23) is circular, and the outer wall of the guide post (23) and the inner wall of the bearing sleeve (22) are both smooth surfaces.

10. A process that uses the regenerated rubber powder plasticizing device described in claims 1-9, characterized in that: The method includes the following steps: Step 1: Distributed embedded plasticization. The driving motor (13) drives the auger (10) to rotate. The retracting cylinder (2) drives the retracting rod (3) to move to the right. While the multiple fluctuating pressure rings (8) and the pressure rollers (7) move to the right, the plasticized raw material of the recycled rubber powder on the multiple augers (10) is extruded and embedded in multiple spaced areas. Step 2: Linkage heating. The arc plate (21) is heated by multiple resistance heating rods (26). The linkage cylinder (18) pushes the linkage shaft (19) to move backward, and the pressure bumps (27) and the convex heads (28) perform reciprocating wave heating on the plasticized recycled rubber powder. Step 3: Guided linkage. The transmission shaft (6) drives the bearing sleeve (22) to move. The guide post (23) supports the support block (25) to ensure that the transmission shaft (6) stably realizes the guided sliding operation.

Images