Mixing device for manufacturing reclaimed rubber with high strength and high mechanical property
By using a combination of tire tread rubber powder, tall oil, and reinforcing agents, along with a stirring device designed with a rotating shaft and a lifting shaft, the problems of contamination and insufficient performance in the reclaimed rubber preparation process were solved, and high-strength, high-mechanical-performance reclaimed rubber was prepared.
Patent Information
- Application Number
- CN202520466536.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing processes for preparing reclaimed rubber suffer from high levels of pollution, contain numerous toxic substances, and have insufficient mechanical properties, making it difficult to meet environmental protection and performance requirements.
Using tire tread rubber powder as the base, tall oil as the softener, and adding rosin and resorcinol-acetaldehyde precondensation resin as reinforcing agents, combined with the design of the stirring device, the uniform distribution and fusion of materials are achieved through the cooperation of the rotating shaft and the lifting shaft.
This process produces reclaimed rubber with excellent mechanical properties and high strength, reducing pollution and meeting environmental protection requirements.
Smart Images

Figure CN223971918U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of mixing and stirring, and in particular relates to a mixing device for manufacturing high-strength and high-mechanical-performance reclaimed rubber. Background Technology
[0002] Reclaimed rubber mainly refers to waste rubber products that have undergone physical and chemical processes such as crushing, heating, and mechanical treatment to remove the elasticity of vulcanized rubber and restore its plasticity and viscosity. This allows it to regain its ability to be mixed and vulcanized with raw rubber, thus enabling its reuse in the rubber industry. The recycling of waste rubber not only saves a significant amount of rubber resources but also reduces environmental pollution. Conventional reclaimed rubber powder is primarily made from waste tires, but also includes waste rubber shoes and inner tubes. Coal tar or heavy asphalt is typically used as a softener in the recycling process, resulting in reclaimed rubber with a very unpleasant odor, high pollution levels, and the presence of many toxic and carcinogenic chemicals. This makes it unsuitable for some contact rubber products and color-matching applications. Therefore, to address these issues, more environmentally friendly materials with superior performance are needed. Using tire tread rubber powder as the matrix, tall oil as a softener, and adding baking soda, along with rosin and resorcinol-acetaldehyde precondensation resin as reinforcing agents, and employing appropriate processing techniques, the resulting reclaimed rubber exhibits excellent mechanical properties and high strength. Therefore, a mixing device is required to fully integrate the materials.
[0003] For example, Chinese patent literature discloses a rubber mixing and stirring device [patent application number: CN201410516222.9], which includes a main support and a stirring mechanism. The stirring mechanism includes a stirring motor, a gearbox, a stirring vessel, and a stirring shaft. The stirring shaft includes a main stirring shaft and an auxiliary stirring shaft. The output end of the stirring motor is connected to the input end of the gearbox, and the output end of the gearbox is coaxially connected to the main stirring shaft. The driving sprocket and the driven sprocket are connected by a chain drive. A cover plate is provided on the upper side of the stirring vessel, and one side of the cover plate is hinged to the upper side of the stirring vessel. A cover plate hydraulic cylinder is provided between the cover plate and the stirring vessel. A discharge hydraulic cylinder is provided between the stirring vessel and the main support. Multiple clamping mechanisms are evenly arranged on the upper side of the stirring vessel. The clamping mechanism includes a clamping rod and a fixing ring. Utility Model Content
[0004] The purpose of this invention is to address the above-mentioned problems by providing a mixing apparatus for manufacturing high-strength, high-mechanical-performance reclaimed rubber.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A mixing apparatus for manufacturing high-strength, high-mechanical-performance reclaimed rubber includes a mixing chamber with a stirring structure inside. The mixing chamber is mounted on a frame, and the frame has several raw material bins arranged sequentially along the top of the mixing chamber in a circular array. Each raw material bin has a pouring plate at its bottom, which extends to the inlet of the mixing chamber. The outlet of each raw material bin has a switch structure.
[0007] In the above-mentioned mixing device for manufacturing high-strength and high-mechanical-performance reclaimed rubber, the stirring structure includes at least two rotating shafts arranged in the mixing chamber. The rotating shafts are connected to a rotational power source arranged on the frame, and a plurality of stirring rods are provided on the rotating shafts.
[0008] In the above-mentioned mixing device for manufacturing high-strength, high-mechanical-performance reclaimed rubber, the rotating shaft is provided with a lifting chamber, the lifting chamber is slidably connected to the lifting shaft, the two sides of the lifting chamber are connected to slots, the slots pass through the rotating shaft, and the stirring rod is fixed on the lifting shaft and slidably connected to the slots.
[0009] In the above-mentioned mixing device for manufacturing high-strength, high-mechanical-performance reclaimed rubber, the rotating shaft extends upward to form a mixing chamber, and the portion of the rotating shaft extending out of the mixing chamber is provided with a driven wheel. The frame is also provided with a driving wheel, which meshes with several driven wheels. The driving wheel is connected to a rotating motor mounted on the frame.
[0010] In the above-mentioned mixing device for manufacturing high-strength, high-mechanical-performance reclaimed rubber, the lifting shaft extends upward to form a rotating shaft, and a lifting block is rotatably connected to the end of the lifting shaft extending from the rotating shaft. The lifting block is connected to the lifting drive structure.
[0011] In the above-mentioned mixing apparatus for manufacturing high-strength, high-mechanical-performance reclaimed rubber, the lifting drive structure includes a lifting driver mounted on the frame, and the output shaft of the lifting driver is connected to a corresponding lifting block.
[0012] In the above-mentioned mixing device for manufacturing high-strength, high-mechanical-performance reclaimed rubber, the frame is further provided with a guide rod, the guide rod is provided with a guide groove, and the lifting block is slidably connected to the inner wall of the guide groove.
[0013] In the above-mentioned mixing apparatus for manufacturing high-strength, high-mechanical-performance reclaimed rubber, a rotary switch is provided at the bottom of the raw material tank.
[0014] Compared with existing technologies, the advantages of this utility model are:
[0015] 1. During the stirring process, while the rotating shaft rotates, the lifting shaft moves up and down within the rotating shaft, thereby driving the stirring rod to move up and down. This allows the stirring rod to stir while rotating, further ensuring that the components of each substance are evenly distributed and blended.
[0016] 2. Using tire tread rubber powder, tall oil, rosin, resorcinol-acetaldehyde precondensation resin, and baking soda as raw materials, the resulting reclaimed rubber has excellent mechanical properties and high strength. Attached Figure Description
[0017] Figure 1 This is a schematic diagram showing the connection between the mixing tank and the raw material tank;
[0018] Figure 2 This is a schematic diagram showing the connection between the mixing tank and the stirring structure;
[0019] Figure 3 yes Figure 1 A top-down view;
[0020] Figure 4 This is a schematic diagram of the raw materials.
[0021] In the diagram: 10 Mixing box, 11 Stirring structure, 12 Frame, 13 Raw material box, 14 Pouring plate, 15 Rotating shaft, 16 Stirring rod, 17 Lifting chamber, 18 Slot, 19 Lifting shaft, 20 Driven wheel, 21 Driven wheel, 22 Rotating motor, 23 Lifting block, 24 Lifting driver, 25 Guide rod, 26 Guide groove, 27 Rotary switch. Detailed Implementation
[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0023] This utility model provides a mixing device for manufacturing high-strength, high-mechanical-performance reclaimed rubber, combined with... Figure 1-4 As shown, the system includes a mixing tank 10, which contains a stirring structure 11. The mixing tank 10 is mounted on a frame 12, which has several raw material tanks 13. The raw material tanks 13 are arranged sequentially along the top of the mixing tank 10 in a circular array. Each raw material tank 13 has a pouring plate 14 at its bottom, which extends to the inlet of the mixing tank 10. The outlet of each raw material tank 13 has a switch structure.
[0024] In this embodiment, tire tread rubber powder, tall oil, rosin, resorcinol-acetaldehyde precondensation resin, and baking soda are loaded into different raw material boxes 13 according to specified weights. The substances in each raw material box 13 are poured onto the pouring plate 14 through the switching structure and poured into the mixing box 10 along the pouring plate 14. The mixture is then fused under the stirring action of the stirring structure 11 in the mixing box 10 and under high temperature.
[0025] The stirring structure 11 includes at least two rotating shafts 15 disposed in the mixing chamber 10. The rotating shafts 15 are connected to a rotational power source disposed on the frame 12. A plurality of stirring rods 16 are disposed on the rotating shafts 15.
[0026] In this embodiment, the rotating power source causes the rotating shaft 15 to rotate, thereby causing the stirring rod 16 to agitate, accelerating the fusion speed, and the agitation of the stirring rod 16 causes the components of each substance to be evenly distributed and fused.
[0027] The rotating shaft 15 is provided with a lifting cavity 17, and a lifting shaft 19 is slidably connected in the lifting cavity 17. The two sides of the lifting cavity 17 are connected by slots 18, which pass through the rotating shaft 15. The stirring rod 16 is fixed on the lifting shaft 19 and slidably connected to the slots 18.
[0028] In this embodiment, during the stirring process, while the rotating shaft 15 rotates, the lifting shaft 19 moves up and down within the rotating shaft 15, thereby driving the stirring rod 16 to move up and down. This allows the stirring rod 16 to stir while rotating, further ensuring that the components of each substance are evenly distributed and fused together.
[0029] The rotating shaft 15 extends upward to form a mixing box 10. The portion of the rotating shaft 15 extending into the mixing box 10 is provided with a driven wheel 20. The frame 12 is also provided with a driving wheel 21. The driving wheel 21 is meshed with several driven wheels 20. The driving wheel 21 is connected to a rotating motor 22 mounted on the frame 12.
[0030] In this embodiment, the operation of the rotating motor 22 causes the driving wheel 21 to work, thereby causing the driven wheel 20 to rotate with the rotating shaft 15.
[0031] The lifting shaft 19 extends upward to form a rotating shaft 15, and a lifting block 23 is rotatably connected to the end of the lifting shaft 19 extending from the rotating shaft 15. The lifting block 23 is connected to the lifting drive structure.
[0032] In this embodiment, the lifting drive structure is that the lifting block 23 moves the lifting shaft 19. The lifting drive and the rotation drive are two independent power sources, which can lift or rotate independently.
[0033] The lifting drive structure includes a lifting driver 24 mounted on the frame 12, and the output shaft of the lifting driver 24 is connected to the corresponding lifting block 23.
[0034] The frame 12 is also provided with a guide rod 25, and the guide rod 25 is provided with a guide groove 26. The lifting block 23 is slidably connected to the inner wall of the guide groove 26.
[0035] In this embodiment, the guide groove 26 makes the lifting block 23 move more stably.
[0036] The bottom of the raw material box 13 is equipped with a rotary switch 27.
[0037] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
[0038] Although this article frequently uses terms such as mixing box 10, stirring structure 11, frame 12, raw material box 13, pouring plate 14, rotating shaft 15, stirring rod 16, lifting chamber 17, slot 18, lifting shaft 19, driven wheel 20, driving wheel 21, rotating motor 22, lifting block 23, lifting driver 24, guide rod 25, guide groove 26, rotating switch 27, etc., these terms are used merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any kind of additional limitation would be contrary to the spirit of this utility model.
Claims
1. A mixing device for manufacturing high strength high mechanical performance reclaimed rubber, comprising a mixing tank (10), said mixing tank (10) being provided with a stirring structure (11) inside, characterized in that, The mixing box (10) is arranged on the rack (12), the rack (12) is provided with a plurality of raw material boxes (13), the plurality of raw material boxes (13) are sequentially placed along the top of the mixing box (10), the plurality of raw material boxes (13) are arranged in a ring array, the bottom of each raw material box (13) is provided with a pouring piece (14), the pouring piece (14) extends to the inlet of the mixing box (10), and the outlet of the raw material box (13) is provided with a switch structure.
2. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 1 wherein, The stirring structure (11) at least includes two rotating shafts (15) arranged in the mixing box (10), the rotating shafts (15) are connected with a rotating power source arranged on the rack (12), and the rotating shafts (15) are provided with a plurality of stirring rods (16).
3. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 2 wherein, The rotating shaft (15) is provided with a lifting cavity (17), the lifting cavity (17) is slidably connected with a lifting shaft (19), the lifting cavity (17) is communicated with a slot (18) on both sides, the slot (18) penetrates the rotating shaft (15), and the stirring rod (16) is fixed on the lifting shaft (19) and slidably connected with the slot (18).
4. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 2 wherein, The rotating shaft (15) extends out of the mixing box (10), the part of the rotating shaft (15) extending out of the mixing box (10) is provided with a driven wheel (20), the rack (12) is further provided with a driving wheel (21), the driving wheel (21) is meshedly connected with a plurality of driven wheels (20), and the driving wheel (21) is connected with a rotating motor (22) arranged on the rack (12).
5. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 3 wherein, The lifting shaft (19) extends out of the rotating shaft (15), and the end portion of the lifting shaft (19) extending out of the rotating shaft (15) is rotatably connected with a lifting block (23), and the lifting block (23) is connected with a lifting driving structure.
6. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 5 wherein, The lifting driving structure includes a lifting driver (24) arranged on the rack (12), and the output shaft of the lifting driver (24) is connected with the corresponding lifting block (23).
7. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 6 wherein, The rack (12) is further provided with a guide rod (25), the guide rod (25) is provided with a guide groove (26), and the lifting block (23) is slidably connected with the inner wall of the guide groove (26).
8. The mixing device for manufacturing high strength high mechanical performance reclaimed rubber as claimed in claim 1 wherein, The bottom of the raw material box (13) is provided with a rotating switch (27).
Citation Information
Patent Citations
A rubber mixing and stirring device
CN104290210B