A recycled rubber raw material crushing device
By adopting a double crushing and cutting method in the recycled rubber raw material crushing device and combining the cutting box and the screening box design, the problem of low crushing and cutting efficiency in the prior art is solved, and efficient crushing, cutting and screening effects are achieved.
Patent Information
- Application Number
- CN202421041526.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-13
AI Technical Summary
In the existing recycled rubber raw material crushing devices, the crushing blade is usually crushed and cut in a separate rotation direction, resulting in low crushing and cutting efficiency.
A recycled rubber raw material crushing device is designed, and the double crushing cutting method is adopted. Two symmetrically rotating rotation shafts are arranged in the crushing cylinder. Each rotation shaft is installed with a crushing blade, and the crushing blade is cut in the opposite direction through a bevel gear system, and the crushing blade is improved by combining the cutting box and the screening box.
Double crushing and cutting of recycled rubber raw materials in the opposite direction is achieved, which significantly improves the crushing and cutting efficiency, and improves the efficiency of the entire processing process through screening and cutting.
Smart Images

Figure CN222697655U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulverizing devices, in particular to a regenerated rubber raw material pulverizing device. Background Art
[0002] Recycled rubber is a material transformed from waste vulcanized rubber products through physical and chemical processes such as crushing, heating, mechanical treatment and chemical treatment. Therefore, the crushing device is an indispensable equipment in the recycling process of recycled rubber.
[0003] The crushing blades in the existing recycled rubber raw material crushing device usually have a single rotation direction as the crushing and cutting direction, and the crushing and cutting efficiency is low. Therefore, we propose a recycled rubber raw material crushing device. Utility Model Content
[0004] The utility model aims to provide a recycled rubber raw material crushing device, which has the advantage of being able to perform double crushing and cutting on the recycled rubber raw material in opposite directions, thereby improving the crushing and cutting efficiency, and solving the problem that the crushing blades in the existing recycled rubber raw material crushing device usually use a single rotation direction as the crushing and cutting direction, resulting in low crushing and cutting efficiency.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a recycled rubber raw material crushing device, comprising a screening box, a crushing barrel and a cutting box, the screening box is fixedly installed with a crushing barrel on the upper surface, the crushing barrel is fixedly installed with a cutting box on the upper surface, a transmission box is fixedly installed at the middle position inside the crushing barrel, the transmission box has rotating shafts symmetrically installed on the upper and lower surfaces of the transmission box, crushing blades are fixedly installed on the outer surfaces of the two rotating shafts, bevel gears A are fixedly connected to one end of the two rotating shafts located inside the transmission box, a crushing motor is fixedly installed on the outer surface of the crushing barrel, a bevel gear B is fixedly connected to the end of the output shaft of the crushing motor, and the two bevel gears A are meshed with the bevel gear B.
[0006] Preferably, rollers are symmetrically mounted for rotation near the front surface and the rear surface of the cutting box, and a plurality of cutting knives are welded at equal distances on the outer surfaces of the two rollers.
[0007] Preferably, a transmission cover is fixedly mounted on one side of the outer surface of the cutting box, a cutting motor is fixedly mounted on the outer side of the transmission cover, and the end of the output shaft of the cutting motor is fixedly connected to the end of the rotating roller.
[0008] Preferably, transmission gears are fixedly sleeved on the outer surfaces of the two rollers, and the two transmission gears are meshed with each other, and the two transmission gears are both located inside the transmission cover.
[0009] Preferably, a discharge port is provided on one side of the outer surface of the screening box, and a screening plate is fixedly installed inside the screening box.
[0010] Preferably, a vibrator is fixedly mounted on the lower surface of the sieve plate.
[0011] Preferably, legs are fixedly mounted on the lower surface of the screening box near the four corners.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model achieves the effect of performing double crushing and cutting of the recycled rubber raw materials in opposite directions by arranging a crushing cylinder, a transmission box, a bevel gear A, a bevel gear B, a crushing motor, a rotating shaft and a cutting blade, and improves the crushing and cutting efficiency. After the recycled rubber raw materials fall into the crushing cylinder, the crushing motor drives the bevel gear B to rotate, and the two bevel gears A meshing with it rotate in opposite directions, and the crushing blades on the two rotating shafts perform double crushing and cutting of the recycled rubber raw materials in opposite crushing and cutting directions, which greatly improves the crushing efficiency of the recycled rubber raw materials.
[0014] 2. The utility model achieves the effect of cutting the recycled rubber raw materials into strips before crushing and cutting, thereby improving the subsequent crushing and cutting efficiency by arranging a cutting box, a rotating roller and a cutting box. After the recycled rubber raw materials are put into the cutting box, they pass between the two rotating rollers. During the rotation of the two rotating rollers, the recycled rubber raw materials are cut into strips by the cutting knife.
[0015] 3. The utility model achieves the effect of screening the crushed regenerated rubber particles through the screen plate and the vibrator. The crushed regenerated rubber falls onto the screen plate, and the vibrator drives the screen plate to vibrate. The regenerated rubber particles passing through the screen plate fall to the bottom of the screening box and slide out from the discharge port from the inside of the screening box, while the larger regenerated rubber particles rejected by the screen plate slide out from the discharge port along the screen plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0017] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the partial main cross-sectional structure of the transmission box of the utility model;
[0019] Figure 4 It is a schematic diagram of a partial main cross-sectional structure of a cutting box of the utility model.
[0020] Figure numerals: 1. Support leg; 2. Screening box; 3. Crushing cylinder; 4. Cutting box; 5. Cutting motor; 6. Crushing motor; 7. Discharge port; 8. Screen plate; 9. Transmission box; 10. Vibrator; 11. Crushing blade; 12. Rotating shaft; 13. Bevel gear A; 14. Bevel gear B; 15. Cutting knife; 16. Roller; 17. Transmission cover; 18. Transmission gear. DETAILED DESCRIPTION
[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0022] Embodiment 1
[0023] like Figure 1-Figure 3 As shown, the utility model proposes a recycled rubber raw material crushing device, including a screening box 2, a crushing cylinder 3 and a cutting box 4. The crushing cylinder 3 is fixedly installed on the upper surface of the screening box 2, the cutting box 4 is fixedly installed on the upper surface of the crushing cylinder 3, a transmission box 9 is fixedly installed at the middle position inside the crushing cylinder 3, and a rotating shaft 12 is symmetrically rotated on the upper and lower surfaces of the transmission box 9. Crushing blades 11 are fixedly installed on the outer surfaces of the two rotating shafts 12. One end of the two rotating shafts 12 located inside the transmission box 9 is fixedly connected to a bevel gear A13. A crushing motor 6 is fixedly installed on the outer surface of the crushing cylinder 3. The end of the output shaft of the crushing motor 6 is fixedly connected with a bevel gear B14, and the two bevel gears A13 are meshed with the bevel gear B14. A discharge port 7 is arranged on one side of the outer surface of the screening box 2. A sieve plate 8 is fixedly installed inside the screening box 2. The sieve plate 8 is inclined inside the screening box 2 so that the recycled rubber particles screened out on the sieve plate 8 can slide out from the discharge port 7 along the sieve plate 8. A vibrator 10 is fixedly installed on the lower surface of the sieve plate 8. The vibrator 10 drives the sieve plate 8 to vibrate so as to facilitate the screening of the recycled rubber powder. Support legs 1 are fixedly installed near the four corners of the lower surface of the screening box 2.
[0024] When the utility model is in use, after the recycled rubber raw material falls into the inside of the pulverizing barrel 3, the pulverizing motor 6 drives the bevel gear B14 to rotate, and the two bevel gears A13 meshing therewith rotate in opposite directions, and the pulverizing blades 11 on the two rotating shafts 12 perform double pulverizing and cutting on the recycled rubber raw material in opposite pulverizing and cutting directions, thereby greatly improving the pulverizing efficiency of the recycled rubber raw material. The pulverized recycled rubber falls onto the sieve plate 8, and the vibrator 10 drives the sieve plate 8 to vibrate, and the recycled rubber particles passing through the sieve plate 8 fall into the bottom of the screening box 2 and slide out from the discharge port 7 from the inside of the screening box 2, while the larger particles of recycled rubber particles rejected by the sieve plate 8 slide out from the discharge port 7 along the sieve plate 8.
[0025] Embodiment 2
[0026] like Figure 1 , Figure 2 and Figure 4As shown, a recycled rubber raw material crushing device proposed by the utility model, compared with the first embodiment, this embodiment also includes a cutting box 4 inside which rollers 16 are symmetrically rotatably installed near the front surface and the rear surface, and the outer surfaces of the two rollers 16 are welded with a plurality of cutting knives 15 at equal distances, the cutting knives 15 are annular, and the cutting knives 15 on the two rollers 16 are spaced apart, a transmission cover 17 is fixedly installed on one side of the outer surface of the cutting box 4, a cutting motor 5 is fixedly installed on the outer side of the transmission cover 17, the end of the output shaft of the cutting motor 5 is fixedly connected to the end of the roller 16, the outer surfaces of the two rollers 16 are fixedly sleeved with transmission gears 18, and the two transmission gears 18 are meshed, and the two transmission gears 18 are both located inside the transmission cover 17, the cutting motor 5 drives one of the rollers 16 to rotate, and the two rollers 16 are transmitted through the two meshed transmission gears 18.
[0027] In this embodiment, after the recycled rubber raw material is put into the cutting box 4, it passes between the two rollers 16. During the rotation of the two rollers 16, the cutter 15 cuts the recycled rubber raw material into strips for subsequent crushing and cutting.
[0028] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A recycled rubber raw material crushing device, comprising a screening box (2), a crushing cylinder (3) and a cutting box (4), characterized in that: A crushing cylinder (3) is fixedly mounted on the upper surface of the screening box (2), a cutting box (4) is fixedly mounted on the upper surface of the crushing cylinder (3), a transmission box (9) is fixedly mounted at the middle position inside the crushing cylinder (3), rotating shafts (12) are symmetrically mounted on the upper and lower surfaces of the transmission box (9), crushing blades (11) are fixedly mounted on the outer surfaces of the two rotating shafts (12), one end of the two rotating shafts (12) located inside the transmission box (9) is fixedly connected to a bevel gear A (13), a crushing motor (6) is fixedly mounted on the outer surface of the crushing cylinder (3), a bevel gear B (14) is fixedly connected to the end of the output shaft of the crushing motor (6), and the two bevel gears A (13) are meshed with the bevel gear B (14).
2. The device for crushing recycled rubber raw materials according to claim 1, characterized in that: Rollers (16) are symmetrically mounted in the cutting box (4) near the front surface and the rear surface, and a plurality of cutting knives (15) are welded at equal distances on the outer surfaces of the two rollers (16).
3. The device for crushing recycled rubber raw materials according to claim 2, characterized in that: A transmission cover (17) is fixedly mounted on one side of the outer surface of the cutting box (4), a cutting motor (5) is fixedly mounted on the outer side of the transmission cover (17), and the end of the output shaft of the cutting motor (5) is fixedly connected to the end of the rotating roller (16).
4. The device for crushing recycled rubber raw materials according to claim 3, characterized in that: The outer surfaces of the two rotating rollers (16) are fixedly sleeved with transmission gears (18), and the two transmission gears (18) are meshed with each other. The two transmission gears (18) are both located inside the transmission cover (17).
5. The device for crushing recycled rubber raw materials according to claim 1, characterized in that: A discharge port (7) is provided on one side of the outer surface of the screening box (2), and a screening plate (8) is fixedly installed inside the screening box (2).
6. The device for crushing recycled rubber raw materials according to claim 5, characterized in that: A vibrator (10) is fixedly mounted on the lower surface of the sieve plate (8).
7. The device for crushing recycled rubber raw materials according to claim 1, characterized in that: Support legs (1) are fixedly mounted on the lower surface of the screening box (2) near four corners.