Shredding machine
By introducing a drive assembly and pusher plate structure into the shredder, the problem of material jamming was solved, the convenience of feeding and discharging was improved, and a highly efficient plastic shredding process was achieved.
Patent Information
- Application Number
- CN202520370431.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing shredders are prone to jamming when too much material is fed at once, resulting in time-consuming and labor-intensive operation, and the high feed opening is inconvenient.
A shredder has been designed, including a drive assembly that drives a rotating shaft, and is equipped with a pusher plate and a moving part. The pusher plate can move closer to or further away from the moving blades to push the plastic between the moving and fixed blades. Combined with the inclined discharge port design, it avoids material jamming and improves discharge efficiency.
It reduces material jamming, improves feeding efficiency and discharge convenience, and reduces operational difficulty.
Smart Images

Figure CN223948293U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic recycling equipment, especially to a shredder. BACKGROUND
[0002] Plastic is widely used in life, and when plastic is recycled, it is generally necessary to crush plastic into small particles, and plastic shredders are widely used in renewable resource recycling fields, including plastic recycling stations, plastic product production plants, garbage disposal centers and the like. By crushing waste plastic products into small pieces, subsequent recycling and processing are facilitated, and plastic shredders can process various plastic products, such as plastic pipes, plastic films, plastic barrels, plastic baskets and the like. However, if too much plastic is added at one time when the current shredder is crushing plastic, the material may be jammed, so multiple feeding is required. When the feeding port of the shredder is high, it is time-consuming and laborious, and is relatively inconvenient. SUMMARY
[0003] In order to avoid multiple feeding, the utility model provides a shredder for the prior art.
[0004] The utility model provides a kind of shredder, using the following technical scheme:
[0005] A kind of shredder, including body, the body is provided with shredding cavity, the body is provided with feeding port, the feeding port is communicated with the top of the shredding cavity, the shredding cavity is provided with rotating shaft and fixed cutter, the rotating shaft is provided with moving cutter, the moving cutter is engaged with the fixed cutter, the body is provided with the drive component of driving the moving cutter rotation, the side wall of the shredding cavity is provided with discharge port, the body is provided with sliding seat, the other side of the shredding cavity is provided with opening, the sliding seat is arranged in the opening, the sliding seat is provided with push plate, the body is provided with moving piece for driving the push plate moves in the direction close to or away from the moving cutter.
[0006] Preferably, the drive assembly includes a drive motor disposed on the body, a reduction gearbox disposed on the body, the output shaft of the drive motor is connected to the input end of the reduction gearbox, and one end of the rotating shaft is connected to the output end of the reduction gearbox.
[0007] Preferably, the moving piece includes a moving cylinder disposed on the body, and the piston rod end of the moving cylinder is connected to the push plate.
[0008] Preferably, the sliding seat bottom is provided with a roller, the body is provided with a track, and the roller and the track rollingly cooperate.
[0009] Preferably, the surface of the push plate facing the moving cutter is provided with a plurality of prismatic teeth.
[0010] Preferably, the top of the sliding seat is provided with a top plate, the opposite sides of the sliding seat are provided with side plates, the push plate is connected to the surface of the side plate and the top plate, and the side plate and the top plate are matched with the opening of the shredding cavity.
[0011] Preferably, a cover is arranged on the discharge port, the cover covers the discharge port, the top side of the cover is rotationally connected to the machine body, the opposite sides of the cover are both connected with rotary cylinders, one end of the rotary cylinder is rotationally connected to the machine body, and the piston rod end of the rotary cylinder is rotationally connected to the side edge of the cover.
[0012] Preferably, the bottom of the discharge port is arranged in an inclined manner, the high end of the bottom of the discharge port is close to the moving knife, and the low end of the bottom of the discharge port is close to the cover.
[0013] In summary, the utility model has at least one of the following beneficial technical effects of the shredder:
[0014] After the operator adds the plastic into the feeding port, the driving motor works, thereby driving the rotating shaft to rotate, the rotating shaft drives the moving knife to rotate, the piston rod of the moving cylinder is elongated, thereby driving the push plate to move towards the moving knife, the push plate pushes the plastic in the shredding cavity to the space between the moving knife and the fixed knife, so that the plastic is not prone to be jammed, the moving knife and the fixed knife produce shearing action on the plastic, thereby shredding the plastic, and then the shredded plastic is discharged from the discharge port. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a schematic diagram of the overall structure of the utility model.
[0016] Fig. 2 It is a schematic diagram of the side of the utility model.
[0017] Fig. 3 It is a top view of the utility model.
[0018] In the drawing: 1, machine body; 11, feeding port; 12, discharge port; 13, sliding seat; 131, push plate; 1311, prismatic convex tooth; 132, roller; 133, top plate; 134, side plate; 14, moving cylinder; 15, cover; 16, rotary cylinder; 2, shredding cavity; 21, rotating shaft; 3, driving motor; 31, speed reducer; DETAILED DESCRIPTION
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0021] This utility model discloses a shredder, such as Figs. 1-3 As shown, the machine includes a body 1, a shredding chamber 2 inside the body 1, a feed inlet 11 installed on the top of the body 1, the feed inlet 11 being connected to the top of the shredding chamber 2, a rotating shaft 21 inside the shredding chamber 2, the rotating shaft 21 being arranged in a horizontal direction, both ends of the rotating shaft 21 being rotatably supported on the inner wall of the shredding chamber 2, a moving blade being fixedly installed on the circumference of the rotating shaft 21, a fixed blade being fixedly installed inside the shredding chamber 2, the fixed blade being located at the bottom of the moving blade, the fixed blade and the moving blade being arranged in an alternating manner, and the moving blade and the fixed blade being meshed.
[0022] The machine body 1 is equipped with a drive assembly for rotating the moving blades. Specifically, the drive assembly includes a drive motor 3 fixedly mounted on the machine body 1 and a reduction gearbox 31 fixedly mounted on the machine body 1. A drive pulley is coaxially fixedly mounted on the output shaft of the drive motor 3, and a driven pulley is coaxially fixedly mounted on the input end of the reduction gearbox 31. A belt connects the drive pulley and the driven pulley. One end of a rotating shaft 21 extends outside the machine body 1 and is coaxially fixedly connected to the output end of the reduction gearbox 31. The motor has a power of 37 kilowatts. After the operator adds plastic to the feed inlet 11, the drive motor 3 operates, thereby driving the rotating shaft 21 to rotate. The reduction gearbox 31 increases the output torque of the drive motor 3. The rotating shaft 21 drives the moving blades to rotate, and the moving blades and fixed blades shear the plastic, thus shredding it. Simultaneously, a discharge port 12 is provided on one side wall of the shredding chamber 2, from which the shredded plastic is discharged.
[0023] In addition, the body 1 is provided with a sliding seat 13, and the other side of the shredding cavity 2 is provided with an opening, the sliding seat 13 is arranged in the opening, and one end of the sliding seat 13 close to the rotating shaft 21 is fixedly provided with a push plate 131. Meanwhile, the body 1 is provided with a moving part for driving the push plate 131 to move towards or away from the moving knife, specifically, the moving part comprises a moving cylinder 14 fixedly arranged on the body 1 in the horizontal direction, and the piston rod end of the moving cylinder 14 is fixedly connected to the push plate 131. When the operator adds the plastic into the shredding cavity 2, the piston rod of the moving cylinder 14 is elongated, thereby driving the push plate 131 to move towards the moving knife, and the push plate 131 pushes the plastic in the shredding cavity 2 to the space between the moving knife and the fixed knife, so that the plastic is not easy to be jammed. In addition, the opposite sides of the bottom of the sliding seat 13 are rotatably provided with rollers 132, the body 1 is fixedly provided with a track, the rollers 132 are in rolling cooperation with the track, and the rollers 132 can reduce the friction between the sliding seat 13 and the body 1, so that the sliding seat 13 moves more smoothly.
[0024] In addition, the top of the sliding seat 13 is fixedly connected with a top plate 133, the opposite sides of the sliding seat 13 are fixedly connected with side plates 134, the bottom side of the side plate 134 is connected to the sliding seat 13, the top side of the side plate 134 is connected to the top plate 133, the push plate 131 is connected to the surfaces of the side plate 134 and the top plate 133, and the side plate 134 and the top plate 133 are in abutment with the opening of the shredding cavity 2. The side plate 134 and the top plate 133 can improve the sealing performance, so that the plastic is not easy to fall out of the opening of the shredding cavity 2. In addition, the surface of the push plate 131 facing the moving knife is welded with a plurality of prismatic teeth 1311, the prismatic teeth 1311 can engage the plastic, so that the plastic is not easy to slip when the push plate 131 pushes the plastic to move.
[0025] In addition, the discharge port 12 is provided with a cover 15, the cover 15 covers the discharge port 12, the top side of the cover 15 is rotatably connected to the body 1, the opposite sides of the cover 15 are connected with rotating cylinders 16, one end of the rotating cylinder 16 is hingedly connected to the body 1, and the piston rod end of the rotating cylinder 16 is hingedly connected to the side of the cover 15. When the discharge is needed, the piston rod of the rotating cylinder 16 is elongated, thereby driving the cover 15 to rotate and open, so that the shredded plastic is discharged from the shredding cavity 2. In addition, the bottom of the discharge port 12 is arranged in an inclined manner, the high end of the bottom of the discharge port 12 is close to the moving knife, and the low end of the bottom of the discharge port 12 is close to the cover 15. Such arrangement can make the plastic discharged from the discharge port 12 after being shredded by the moving knife and the fixed knife, and the plastic can be discharged from the body 1 under the action of gravity, which is convenient and fast.
[0026] The implementation principle of the shredder is as follows: after the operator adds the plastic into the feeding port 11, the driving motor 3 works, thereby driving the rotating shaft 21 to rotate, the rotating shaft 21 drives the moving cutter to rotate, the piston rod of the moving cylinder 14 is elongated, thereby driving the push plate 131 to move towards the direction of the moving cutter, the push plate 131 pushes the plastic in the shredding cavity 2 to the space between the moving cutter and the fixed cutter, the plastic is not prone to the material blocking condition, the moving cutter and the fixed cutter produce the shearing effect on the plastic, thereby shredding the plastic, and then the shredded plastic is discharged from the discharging port 12.
[0027] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model discloses the above preferred embodiment, it is not intended to limit the utility model. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical scheme of the utility model, and the equivalent embodiments of equivalent changes are equivalent. Any simple modification, equivalent change and modification of the above embodiment according to the utility model technical scheme are within the scope of the utility model technical scheme.
Claims
1. A shredder characterized by: The utility model provides a shredding machine, including body (1), be provided with shredding cavity (2) in body (1), be provided with feed inlet (11) on body (1), feed inlet (11) is communicated with the top of shredding cavity (2), be provided with rotating shaft (21) and fixed cutter in shredding cavity (2), be provided with movable cutter on rotating shaft (21), movable cutter is engaged with fixed cutter, be provided with the drive assembly of driving movable cutter rotation on body (1), one side wall of shredding cavity (2) is provided with discharge gate (12), be provided with sliding seat (13) on body (1), the other side of shredding cavity (2) is provided with opening, sliding seat (13) is worn in opening, be provided with push plate (131) on sliding seat (13), be provided with the moving piece of driving push plate (131) along the direction of close or away from movable cutter on body (1).
2. A shredder according to claim 1, characterised in that: The drive assembly includes a drive motor (3) disposed on the body (1), a reduction box (31) disposed on the body (1), the output shaft of the drive motor (3) is connected to the input end of the reduction box (31), one end of the rotating shaft (21) is connected to the output end of the reduction box (31).
3. A shredder according to claim 1, wherein: The moving piece includes a moving cylinder (14) disposed on the body (1), the piston rod end of the moving cylinder (14) is connected to the push plate (131).
4. A shredder according to claim 1, wherein: The bottom of the sliding seat (13) is provided with a roller (132), and the body (1) is provided with a track, and the roller (132) is in rolling fit with the track.
5. A shredder according to claim 1, wherein: The surface of the push plate (131) facing the movable cutter is provided with a plurality of prismatic teeth (1311).
6. A shredder according to claim 1, wherein: The top of the sliding seat (13) is provided with a top plate (133), and the opposite sides of the sliding seat (13) are provided with side plates (134), and the surface of the push plate (131) is connected to the side plates (134) and the top plate (133), and the side plates (134) and the top plate (133) are fitted with the opening of the shredding cavity (2).
7. A shredder according to claim 1 wherein: The discharge gate (12) is provided with a cover (15), the cover (15) covers the discharge gate (12), the top side of the cover (15) is rotatably connected to the body (1), the opposite sides of the cover (15) are connected with rotating cylinders (16), one end of the rotating cylinder (16) is rotatably connected to the body (1), and the piston rod end of the rotating cylinder (16) is rotatably connected to the side edge of the cover (15).
8. A shredder according to claim 7, characterised in that: The bottom of the discharge gate (12) is inclined, the high end of the bottom of the discharge gate (12) is close to the movable cutter, and the low end of the bottom of the discharge gate (12) is close to the cover (15).