Plastic waste crushing and recycling device

By designing a combination of protective parts and coarse and fine crushing rollers in the plastic waste crushing and recycling device, the problem of waste chips flying out in traditional devices is solved, improving the crushing effect and ensuring the safety of staff.

CN222832163UActive Publication Date: 2025-05-06LANZHOU JIAOTONG UNIV
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Patent Information

Application Number
CN202421444361.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-05-06
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

Traditional plastic waste crushing and recycling devices lack a top protection mechanism, causing waste scraps generated by crushing to fly out, causing environmental pollution and pose safety hazards to staff.

Method used

A plastic waste crushing and recycling device is designed, including a support frame, a crushing frame, a feed frame and a discharge frame. Two symmetrically distributed coarse crushing rollers and a fine crushing roller are installed on the top of the crushing frame. The feed frame is equipped with protective pieces. The protective pieces are composed of the first protective frame and the second protective frame. The opening and closing of the protective pieces are controlled by the motor driving gear and the worm system to ensure that the plastic waste does not fly out of the top during the crushing process.

Benefits of technology

It effectively prevents the waste produced by crushing from flying out of the top, reduces environmental pollution and safety hazards for staff, and at the same time, the crushing effect of plastic waste is improved through the combination of coarse and fine crushing rollers.

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Abstract

The utility model discloses a plastic waste crushing and recycling device, and particularly relates to the technical field of plastic waste recycling, the plastic waste crushing and recycling device comprises a support frame, the top of the support frame is fixedly provided with a crushing frame, the top end of the crushing frame is fixedly provided with a feeding frame, the bottom end of the crushing frame is fixedly provided with a discharging frame, the feeding frame is internally provided with a protection piece, and the discharging frame is fixedly provided with a discharging opening. Two symmetrically-distributed coarse crushing rollers are rotationally mounted at the top of the crushing frame, and two symmetrically-distributed fine crushing rollers are rotationally mounted at the bottom of the crushing frame; the protective part comprises a first protective frame and a second protective frame, the first protective frame and the second protective frame are of a symmetrical distribution structure, and each of the first protective frame and the second protective frame is of a quarter circular frame structure. And the situation that waste chips generated by follow-up smashing fly out of the top, environment pollution is caused, and potential safety hazards are caused to workers is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic waste recycling, in particular to a plastic waste crushing and recycling device. Background Art

[0002] Plastic waste crushing and recycling refers to the process of recycling and reusing discarded plastic products after mechanical crushing. Plastic waste crushing and recycling helps reduce resource waste, reduce environmental pollution, and extend the service life of plastic products. At the same time, by recycling and reusing waste plastics, it can also save energy and reduce carbon dioxide emissions.

[0003] There are still some problems in the use of traditional plastic waste crushing and recycling devices: the traditional plastic waste crushing and recycling device has a relatively simple structure and lacks a protective mechanism on the top. The staff puts the plastic waste into the crushing device for crushing. Due to the lack of a protective mechanism on the top, the waste debris produced by the crushing will fly out from the top of the crushing device, causing environmental pollution and easily causing safety hazards to the staff. For this reason, we propose a plastic waste crushing and recycling device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a plastic waste crushing and recycling device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic waste crushing and recycling device, comprising a support frame, a crushing frame is fixedly installed on the top of the support frame, a feed frame is fixedly installed on the top of the crushing frame, a discharge frame is fixedly installed on the bottom of the crushing frame, a protective member is provided in the feed frame, two symmetrically distributed coarse crushing rollers are rotatably installed on the top of the crushing frame, and two symmetrically distributed fine crushing rollers are rotatably installed on the bottom of the crushing frame;

[0006] The protective member includes a first protective frame and a second protective frame, the first protective frame and the second protective frame are symmetrically distributed, the first protective frame and the second protective frame are both set to a quarter-circular frame structure, the first protective frame and the second protective frame are movably clamped in the feed frame, a rotating shaft is fixedly installed on the side of the top of the first protective frame close to the second protective frame, a rotating tube is fixedly installed on the side of the top of the second protective frame close to the first protective frame, the rotating tube is rotatably installed on the feed frame, an end of the rotating shaft away from the first protective frame movably passes through the rotating tube, an end of the rotating tube away from the second protective frame is fixedly installed with a first crown gear, and an end of the rotating shaft away from the first protective frame is fixedly installed with a second crown gear, the first crown gear and the second crown gear are symmetrically distributed, a driving gear is meshed and connected between the first crown gear and the second crown gear, a driving shaft is fixedly installed on the middle of the bottom end of the driving gear, and the driving shaft is rotatably installed on the outside of the feed frame.

[0007] Preferably, a first worm gear is fixedly mounted on the bottom end of the driving shaft, a first motor is fixedly mounted on one side of the outer wall of the feeding frame close to the first worm gear, a first worm is fixedly mounted on the driving end of the first motor, and the first worm is meshingly connected to the first worm gear.

[0008] Preferably, a first gear is fixedly mounted on one end of the coarse crushing roller, and two first gears are meshed and connected.

[0009] Preferably, a second gear is fixedly mounted on one end of the fine grinding roller, and two second gears are meshed and connected.

[0010] Preferably, a sprocket transmission group is fixedly installed at one end of one of the coarse crushing roller and the fine crushing roller, and the sprocket transmission group includes two sprockets and a transmission chain meshed on the outside of the two sprockets, and the sprockets are fixedly installed at one end of the corresponding coarse crushing roller and the fine crushing roller respectively.

[0011] Preferably, a third crown gear is fixedly mounted on one end of one of the coarse crushing rollers, a second motor is fixedly mounted on one side of the outer wall of the crushing frame close to the third crown gear, a third gear is fixedly mounted on the driving end of the second motor, and the third gear is meshingly connected with the third crown gear.

[0012] Preferably, two symmetrically distributed first material guide plates are provided above the coarse crushing roller, and the first material guide plates are fixedly installed on the inner wall of the crushing frame. Two symmetrically distributed second material guide plates are provided above the fine crushing roller, and the second material guide plates are fixedly installed on the inner wall of the crushing frame.

[0013] Preferably, a protective cover is fixedly mounted on one side of the pulverizing frame close to the third gear, and the first gear, the second gear, the third crown gear, the second motor and the third gear are located in the protective cover.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting up protective parts, the top of the feed frame can be blocked when the plastic waste is crushed to prevent the waste generated by subsequent crushing from flying out from the top, causing environmental pollution and posing a safety hazard to the staff.

[0016] 2. By setting two coarse crushing rollers and fine crushing rollers, the plastic waste can be crushed primarily and secondarily, thereby improving the crushing effect of the plastic waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the crushing frame in the utility model.

[0020] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0021] Figure 4 It is a schematic diagram of the structural connection between the feed frame and the protective member in the utility model.

[0022] Figure 5 For this utility model Figure 4 Enlarged view of point B in the middle.

[0023] In the figure: 1. support frame; 2. crushing frame; 3. feed frame; 4. discharge frame; 5. protective member; 6. coarse crushing roller; 61. first gear; 7. fine crushing roller; 71. second gear; 8. sprocket transmission group; 9. third crown gear; 91. second motor; 92. third gear; 10. protective cover; 11. first guide plate; 12. second guide plate; 51. first protective frame; 52. second protective frame; 53. rotating shaft; 54. rotating tube; 55. first crown gear; 56. second crown gear; 57. driving gear; 58. driving shaft; 59. first worm gear; 591. first motor; 592. first worm. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example: Figure 1-5 As shown, the utility model provides a plastic waste crushing and recycling device, comprising a support frame 1, a crushing frame 2 is fixedly installed on the top of the support frame 1, a feeding frame 3 is fixedly installed on the top of the crushing frame 2, a discharging frame 4 is fixedly installed on the bottom of the crushing frame 2, a protective member 5 is provided in the feeding frame 3, two symmetrically distributed coarse crushing rollers 6 are rotatably installed on the top of the crushing frame 2, and two symmetrically distributed fine crushing rollers 7 are rotatably installed on the bottom of the crushing frame 2;

[0026] The protective member 5 includes a first protective frame 51 and a second protective frame 52. The first protective frame 51 and the second protective frame 52 are symmetrically distributed. The first protective frame 51 and the second protective frame 52 are both set as a quarter-circular frame structure. The first protective frame 51 and the second protective frame 52 are movably connected to the feed frame 3. In the initial state, the first protective frame 51 and the second protective frame 52 are located in the feed frame 3 to form a semicircular frame structure with an opening facing upward. A rotating shaft 53 is fixedly installed on one side of the top of the first protective frame 51 close to the second protective frame 52, and a rotating tube 54 is fixedly installed on one side of the top of the second protective frame 52 close to the first protective frame 51. The rotating tube 54 is rotatably mounted on the feed frame 3, and one end of the rotating shaft 53 away from the first protective frame 51 movably penetrates the rotating tube 54, and one end of the rotating tube 54 away from the second protective frame 52 is fixedly mounted with a first crown gear 55, and one end of the rotating shaft 53 away from the first protective frame 51 is fixedly mounted with a second crown gear 56, and the first crown gear 55 and the second crown gear 56 are symmetrically distributed. A driving gear 57 is meshed and connected between the first crown gear 55 and the second crown gear 56, and a driving shaft 58 is fixedly mounted on the middle of the bottom end of the driving gear 57, and the driving shaft 58 is rotatably mounted on the outside of the feed frame 3; the bottom end of the driving shaft 58 is fixedly mounted. A first worm gear 59 is fixedly installed, and a first motor 591 is fixedly installed on one side of the outer wall of the feed frame 3 close to the first worm gear 59. A first worm 592 is fixedly installed on the driving end of the first motor 591. The first worm 592 and the first worm gear 59 are meshed and connected. When in use, the plastic waste is put into the semicircular frame structure with the opening facing upward. Then, the first motor 591 is controlled to start and drive the first worm 592 to drive the first worm gear 59, the driving shaft 58 and the driving gear 57 to rotate, and the driving gear 57 is meshed and connected with the first crown gear 55 and the second crown gear 56. The driving gear 57 rotates to drive the first crown gear 55, the second crown gear 56, and ... The double crown gears 56 rotate synchronously in the opposite direction, thereby controlling the rotating tube 54 and the rotating shaft 53 to rotate synchronously in the opposite direction, thereby controlling the first protective frame 51 and the second protective frame 52 to rotate synchronously upward in the opposite direction, and the plastic waste is put into the crushing frame 2 through the middle of the opened first protective frame 51 and the second protective frame 52 until the first protective frame 51 and the second protective frame 52 rotate to the top of the feeding frame 3, and the first protective frame 51 and the second protective frame 52 are combined to form a semicircular frame structure with the opening facing downward, which blocks the top of the feeding frame 3 to prevent the waste generated by the subsequent crushing from flying out from the top, causing environmental pollution, and causing safety hazards to the staff.

[0027] Two first guide plates 11 are symmetrically arranged above the coarse crushing roller 6. The first guide plates 11 are fixedly mounted on the inner wall of the crushing frame 2. The plastic waste put into the crushing frame 2 is guided to between the two coarse crushing rollers 6 through the two first guide plates 11.

[0028] A first gear 61 is fixedly mounted on one end of the coarse grinding roller 6, and the two first gears 61 are meshed and connected; a second gear 71 is fixedly mounted on one end of the fine grinding roller 7, and the two second gears 71 are meshed and connected; a sprocket transmission group 8 is fixedly mounted on one end of one of the coarse grinding rollers 6 and the fine grinding roller 7, and the sprocket transmission group 8 includes two sprockets and a transmission chain meshed on the outside of the two sprockets, and the sprockets are fixedly mounted on one end of the corresponding coarse grinding roller 6 and the fine grinding roller 7 respectively; a third crown gear 9 is fixedly mounted on one end of one of the coarse grinding rollers 6, and a second motor 91 is fixedly mounted on the side of the outer wall of the grinding frame 2 close to the third crown gear 9. The driving end of the machine 91 is fixedly mounted with a third gear 92, which is meshed with the third crown gear 9. When in use, the second motor 91 is controlled to start driving the third gear 92 to drive the third crown gear 9 to rotate, thereby driving one of the coarse crushing rollers 6 to rotate, and the transmission of the sprocket transmission group 8 is used to drive the corresponding fine crushing roller 7 to rotate synchronously, and the meshing connection of the two first gears 61 and the meshing connection of the two second gears 71 are used to drive the coarse crushing rollers 6 on both sides to rotate synchronously in the opposite direction, and the fine crushing rollers 7 on both sides to rotate synchronously in the opposite direction, so that the plastic waste between the two coarse crushing rollers 6 is primary crushed;

[0029] Two symmetrically distributed second guide plates 12 are provided above the fine grinding roller 7. The second guide plates 12 are fixedly installed on the inner wall of the grinding frame 2. The primary crushed plastic waste is guided to the space between the two fine grinding rollers 7 through the two second guide plates 12 for secondary crushing, thereby improving the crushing effect of the plastic waste.

[0030] A protective cover 10 is fixedly installed on one side of the crushing frame 2 close to the third gear 92. The first gear 61, the second gear 71, the third crown gear 9, the second motor 91 and the third gear 92 are located in the protective cover 10. The first gear 61, the second gear 71, the third crown gear 9, the second motor 91 and the third gear 92 are protected by setting the protective cover 10.

[0031] Working principle: When in use, the second motor 91 is controlled to start driving the third gear 92 to drive the third crown gear 9 to rotate, thereby driving one of the coarse grinding rollers 6 to rotate, and the transmission of the sprocket transmission group 8 is used to drive the corresponding fine grinding roller 7 to rotate synchronously, and the meshing connection of the two first gears 61 and the meshing connection of the two second gears 71 are used to drive the coarse grinding rollers 6 on both sides to rotate synchronously in the opposite direction, and the fine grinding rollers 7 on both sides to rotate synchronously in the opposite direction;

[0032] Put the plastic waste into the semicircular frame structure with the opening facing upward, then control the first motor 591 to start driving the first worm 592 to drive the first worm wheel 59, the driving shaft 58 and the driving gear 57 to rotate, cooperate with the driving gear 57 to mesh with the first crown gear 55 and the second crown gear 56, the driving gear 57 rotates to drive the first crown gear 55 and the second crown gear 56 to rotate synchronously in the opposite direction, thereby controlling the rotating tube 54 and the rotating shaft 53 to rotate synchronously in the opposite direction, thereby controlling the first protection frame 51 and the second protection frame 52 to rotate synchronously upward in the opposite direction, and the plastic waste is put into the crushing frame 2 through the middle of the opened first protection frame 51 and the second protection frame 52 until the first protection frame 51 and the second protection frame 52 rotate to the top of the feeding frame 3, and the first protection frame 51 and the second protection frame 52 are combined to form a semicircular frame structure with the opening facing downward, so as to block the top of the feeding frame 3, so as to prevent the waste generated by the subsequent crushing from flying out from the top, causing environmental pollution, and causing safety hazards to the staff;

[0033] The plastic waste put into the pulverizing frame 2 is guided to between two coarse pulverizing rollers 6 through two first guide plates 11 for primary pulverization, and the primary pulverized plastic waste is guided to between two fine pulverizing rollers 7 through two second guide plates 12 for secondary pulverization, thereby improving the pulverizing effect of the plastic waste.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic waste crushing and recycling device, comprising a support frame (1), characterized in that: A crushing frame (2) is fixedly mounted on the top of the support frame (1), a feeding frame (3) is fixedly mounted on the top of the crushing frame (2), a discharging frame (4) is fixedly mounted on the bottom of the crushing frame (2), a protective member (5) is provided in the feeding frame (3), two symmetrically distributed coarse crushing rollers (6) are rotatably mounted on the top of the crushing frame (2), and two symmetrically distributed fine crushing rollers (7) are rotatably mounted on the bottom of the crushing frame (2); The protective member (5) comprises a first protective frame (51) and a second protective frame (52), the first protective frame (51) and the second protective frame (52) being symmetrically distributed structures, the first protective frame (51) and the second protective frame (52) being both configured as quarter-circular frame structures, the first protective frame (51) and the second protective frame (52) being movably clamped in the feed frame (3), a rotating shaft (53) being fixedly mounted on a side of the top of the first protective frame (51) close to the second protective frame (52), a rotating tube (54) being fixedly mounted on a side of the top of the second protective frame (52) close to the first protective frame (51), and the rotating tube (54) being rotatably mounted on the feed frame (3), One end of the rotating shaft (53) away from the first protective frame (51) movably passes through the rotating tube (54); one end of the rotating tube (54) away from the second protective frame (52) is fixedly mounted with a first crown gear (55); one end of the rotating shaft (53) away from the first protective frame (51) is fixedly mounted with a second crown gear (56); the first crown gear (55) and the second crown gear (56) are symmetrically distributed; a driving gear (57) is meshedly connected between the first crown gear (55) and the second crown gear (56); a driving shaft (58) is fixedly mounted at the middle of the bottom end of the driving gear (57); and the driving shaft (58) is rotatably mounted on the outer side of the feeding frame (3).

2. A plastic waste crushing and recycling device according to claim 1, characterized in that: A first worm gear (59) is fixedly mounted on the bottom end of the driving shaft (58), a first motor (591) is fixedly mounted on one side of the outer wall of the feeding frame (3) close to the first worm gear (59), a first worm (592) is fixedly mounted on the driving end of the first motor (591), and the first worm (592) and the first worm gear (59) are meshingly connected.

3. The plastic waste crushing and recycling device according to claim 1 is characterized in that: A first gear (61) is fixedly mounted on one end of the coarse crushing roller (6), and two first gears (61) are meshed and connected.

4. A plastic waste crushing and recycling device according to claim 3, characterized in that: A second gear (71) is fixedly mounted on one end of the fine grinding roller (7), and two of the second gears (71) are meshed and connected.

5. The plastic waste crushing and recycling device according to claim 4, characterized in that: A sprocket transmission group (8) is fixedly mounted on one end of one of the coarse crushing roller (6) and the fine crushing roller (7), and the sprocket transmission group (8) comprises two sprockets and a transmission chain meshed on the outsides of the two sprockets, and the sprockets are respectively fixedly mounted on one end of the corresponding coarse crushing roller (6) and the fine crushing roller (7).

6. A plastic waste crushing and recycling device according to claim 5, characterized in that: A third crown gear (9) is fixedly mounted on one end of one of the coarse crushing rollers (6); a second motor (91) is fixedly mounted on a side of the outer wall of the crushing frame (2) close to the third crown gear (9); a third gear (92) is fixedly mounted on the driving end of the second motor (91); and the third gear (92) is meshingly connected to the third crown gear (9).

7. The plastic waste crushing and recycling device according to claim 1, characterized in that: Two symmetrically distributed first material guide plates (11) are provided above the coarse grinding roller (6), and the first material guide plates (11) are fixedly mounted on the inner wall of the grinding frame (2); and two symmetrically distributed second material guide plates (12) are provided above the fine grinding roller (7), and the second material guide plates (12) are fixedly mounted on the inner wall of the grinding frame (2).

8. The plastic waste crushing and recycling device according to claim 6, characterized in that: A protective cover (10) is fixedly mounted on one side of the pulverizing frame (2) close to the third gear (92); the first gear (61), the second gear (71), the third crown gear (9), the second motor (91) and the third gear (92) are located in the protective cover (10).