Crushing device for recycling waste PET (Polyethylene Terephthalate) bottle flakes

Abstract

The utility model relates to PET bottle recycling, in particular to a crushing device for recycling waste PET bottle flakes, which comprises a recycling and crushing device main body, a PET bottle feeding mechanism is arranged on one side of the recycling and crushing device main body, the PET bottle feeding mechanism comprises a conveying belt which is arranged in an inner cavity of a support and used for conveying PET bottles, a first baffle is fixedly mounted on the working surface of the conveying belt, and a second baffle is fixedly mounted on the working surface of the conveying belt. Second baffles corresponding to the first baffles one to one are connected to one side of the support in a penetrating and sliding mode, the conveying belt is operated to enable the first baffles to move towards the second baffles, and then compression of the PET bottles is achieved. A driving assembly enabling the second baffle to slide in a reciprocating mode is arranged at the top end of the support and comprises a threaded rod rotationally connected with the top end of the support, and the peripheral wall of the threaded rod is sleeved with a threaded sleeve fixedly connected with the second baffle in a threaded mode; according to the automatic feeding device for the PET bottles, automatic feeding of the PET bottles can be achieved, input of human resources is reduced, the PET bottles can be compressed in the feeding process, the practicability of the whole device is improved, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to PET bottle recycling, concretely to a kind of waste PET bottle piece recycling crushing device. BACKGROUND

[0002] In the process of PET bottle recycling, a crusher is often needed. In the prior art, a utility model patent with publication (announcement) No. CN211968092U, named "PET bottle piece recycling pulverizer", is disclosed. The utility model patent includes a pulverizing box body, a feed inlet is provided above the pulverizing box body, a discharge outlet is provided at the bottom of the pulverizing box body, a crushing mechanism and a pulverizing mechanism are provided inside the pulverizing box body from top to bottom; the crushing mechanism includes a crushing roller penetrating through the opposite side faces of the box body, a crushing drive member provided at one end of the crushing roller, and a crushing knife provided on the outer side face of the crushing roller. The crushing roller is provided with a pair of rollers, which are arranged in the same horizontal plane and parallel to each other. The two rollers rotate in opposite directions and downward. The pulverizing mechanism includes two first pulverizing rollers arranged horizontally and staggered in a cross shape below the crushing roller, and a second pulverizing roller arranged vertically below the first pulverizing roller. The utility model has the advantages of more complete pulverization and better pulverization effect.

[0003] However, the feed inlet of the patent is provided above the pulverizing box body, which is relatively high, so that the worker needs to hold the PET bottle at a high position during feeding, which requires more human resources for the equipment and affects the work efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a waste PET bottle piece recycling crushing device.

[0005] The utility model solves the technical problem that the existing crushing device has the problem of inconvenient PET bottle feeding.

[0006] The utility model can be realized by the following technical solutions: a waste PET bottle piece recycling crushing device, including a recycling crushing device main body, a PET bottle feeding mechanism is provided on one side of the recycling crushing device main body, the PET bottle feeding mechanism includes a conveyor belt provided in the inner cavity of the support for conveying PET bottles, a first baffle is fixedly installed on the working surface of the conveyor belt, a second baffle corresponding to the first baffle is slidably connected on one side of the support, the first baffle moves towards the second baffle by running the conveyor belt, and the compression of the PET bottle is realized.

[0007] A driving assembly is provided at the top end of the support to reciprocally slide the second baffle. The driving assembly includes a threaded rod rotatably connected to the top end of the support, a threaded sleeve fixedly connected to the second baffle is threadedly sleeved on the outer peripheral wall of the threaded rod, and the threaded sleeve is slidably connected to the top end of the support.

[0008] A further technical improvement of the present invention is that sliding rods are fixedly installed on both sides of the first baffle, and the inner wall of the bracket is provided with a sliding groove for the sliding rods to slide. The coordinated arrangement of the sliding rods and the sliding grooves facilitates the improvement of the stability of the first baffle during movement.

[0009] A further technical improvement of the present invention is that a driving motor for driving the threaded rod to rotate is fixedly mounted on one side of the bracket.

[0010] A further technical improvement of the present invention is that a rectangular groove connected to the sliding groove is opened on one side of the inner cavity of the bracket close to the second baffle, the inner cavity of the rectangular groove is elastically slidably connected with an extrusion hemisphere abutting the sliding rod, and the inner wall of the rectangular groove is fixedly installed with a trigger switch corresponding to the extrusion hemisphere one by one, and the trigger switch is electrically connected to the drive motor.

[0011] A further technical improvement of the utility model is that the inner grooves of the multiple bottle-dropping holes in the bracket are symmetrically and slidably connected to two arc-shaped scrapers for scraping off labels on PET bottles.

[0012] A further technical improvement of the present utility model is that: the inner cavity of the bracket is rotatably connected to a rotating rod, and the outer peripheral wall of the rotating rod is provided with external threads corresponding to the two arc-shaped scrapers one by one, and nuts fixedly connected to the arc-shaped scrapers are threadedly sleeved on the two sections of external threads of the rotating rod with opposite thread rotation directions, and the nuts are slidably connected to the inner cavity of the bracket. Rotating the rotating rod causes the nuts threadedly sleeved on the two sections of external threads of the rotating rod with opposite thread rotation directions to move relative to each other, thereby driving the arc-shaped scrapers fixedly connected to the nuts to move synchronously.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The utility model can prevent the PET bottles that fall on the conveyor belt from moving down along the inclined surface of the conveyor belt by the first baffle fixedly connected to the working surface of the conveyor belt, and the operation of the conveyor belt drives the first baffle to push the PET bottles to move toward the second baffle. As the first baffle continues to move, the PET bottles on the conveyor belt are continuously compressed. When the PET bottles are compressed to the limit, the sliding rods on both sides of the first baffle will squeeze the squeezing hemispheres. When the squeezing hemispheres are squeezed, they will contact the trigger switch, and the trigger switch will turn on the power of the driving motor, and the threaded rod will rotate through the driving motor. The rotation of the threaded rod will drive the screw sleeve to slide the second baffle, so that the compressed PET bottles can enter the recycling and crushing device body in time, so that the equipment can not only realize automatic loading of PET bottles and reduce the investment of human resources, but also compress the PET bottles during the loading process, thereby improving the overall practicality of the equipment and making it convenient to use.

[0015] 2. The utility model can uniformly adjust the distance between the two curved scrapers in each bottle-dropping hole according to the size of the PET bottles. During adjustment, the rotary handle is rotated to cause the rotating rod to rotate synchronously. Since the two curved scrapers and the corresponding two sections of external threads on the rotating rod have opposite thread rotation directions, the nuts on the two sections of external threads can be rotated relative to each other by rotating the rotating rod. The nuts drive the curved scrapers to move synchronously, thereby quickly completing the adjustment work in a short time. After adjustment, PET bottles are dropped onto the conveyor belt through the multiple bottle-dropping holes, and the curved scrapers can be used to easily scrape off the labels on the PET bottles. The scraped labels fall onto the receiving plate, making the equipment more convenient for workers to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the bracket of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure connection of the rectangular plate of the utility model;

[0020] Figure 4 For this utility model Figure 3 A partial enlarged view of point A in the middle;

[0021] Figure 5 This is a schematic diagram of the internal structure connection structure of the bracket of the utility model;

[0022] Figure 6 For this utility model Figure 5 A partial enlarged view of point B in the middle.

[0023] In the picture:

[0024] 1. Recover the main body of the crushing device;

[0025] 2. Bracket; 21. Conveyor belt; 22. First baffle; 23. Sliding rod; 231. Rectangular slot; 232. Extrusion hemisphere; 233. Trigger switch; 24. Sliding slot; 25. Height-limiting protective cover; 26. Second baffle; 27. Box; 28. Threaded rod; 29. ​​Screw sleeve; 210. Drive motor;

[0026] 3. Rectangular plate; 31. Bottle-dropping hole; 32. Inner groove; 33. Rotating rod; 34. External thread; 35. Nut; 36. Adapter plate; 37. Curved scraper. DETAILED DESCRIPTION

[0027] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0028] See also Figure 1-6 As shown, this embodiment provides a technical solution, a crushing device for recycling waste PET bottle flakes, including a recycling and crushing device main body 1, a PET bottle feeding mechanism is provided on one side of the recycling and crushing device main body 1, the PET bottle feeding mechanism includes a bracket 2 provided on one side of the recycling and crushing device main body 1, the inner cavity of the bracket 2 is provided with a conveyor belt 21 for conveying PET bottles to the feed port of the recycling and crushing device main body 1, and a servo motor for driving the conveyor belt 21 is fixedly installed on one side of the bracket 2.

[0029] A height-limiting protective cover 25 is fixedly installed on the top of the bracket 2, and a first baffle 22 is fixedly installed on the working surface of the conveyor belt 21. Sliding rods 23 are fixedly installed on both sides of the first baffle 22. A sliding groove 24 for the sliding rod 23 to slide is provided on the inner wall of the bracket 2. The first baffle 22 is slidably connected to the top of the inner cavity of the height-limiting protective cover 25. An opening corresponding to the feed port on the recovery and crushing device body 1 is penetrated on one side of the height-limiting protective cover 25 away from the first baffle 22, and a second baffle 26 for closing the opening is slidably connected on one side of the height-limiting protective cover 25.

[0030] The inner cavity of the height-limiting protective cover 25 is provided with a PET bottle pre-processing assembly. The PET bottle pre-processing assembly includes a rectangular plate 3 mounted below the inner cavity of the height-limiting protective cover 25. The inner cavity of the rectangular plate 3 is provided with a plurality of bottle-dropping holes 31 at equal intervals. Two curved scrapers 37 are symmetrically and slidably connected to the inner cavity of each bottle-dropping hole 31. A receiving plate 36 is fixedly mounted on the side of the curved scraper 37 close to the conveyor belt 21 to match it. The receiving plate 36 is used to receive the labels scraped off by the curved scraper 37.

[0031] An inner groove 32 communicating with the bottle throwing hole 31 is further provided in the inner cavity of the rectangular plate 3 and on one side close to the second baffle 26. A rotating rod 33 is rotatably connected between the two inner side walls of the inner groove 32. The outer peripheral wall of the rotating rod 33 is provided with an external thread 34 corresponding to the arc scraper 37 one by one. The two sections of the external thread 34 of the rotating rod 33 with opposite threads are threadedly sleeved with a nut 35 fixedly connected to the arc scraper 37. One end of the rotating rod 33 passes through the height limiting protective cover 25 and extends to the outside of the height limiting protective cover 25. The rotating rod 33 extends to the end of the height limiting protective cover 25 where a rotating handle is fixedly installed.

[0032] More specifically, the rotary handle and the height-limiting protective cover 25 are fixed via positioning pins.

[0033] A reciprocating motion component that causes the second baffle 26 to slide back and forth is provided at the top of the height limiting protective cover 25. The reciprocating motion component includes a box body 27 fixedly connected to the top of the height limiting protective cover 25. A threaded rod 28 is rotatably connected between the two inner side walls of the box body 27. The outer peripheral wall thread sleeve of the threaded rod 28 is provided with a screw sleeve 29 that is slidably connected to the inner cavity of the box body 27. The screw sleeve 29 is fixedly connected to the second baffle 26. A drive motor 210 that drives the threaded rod 28 to rotate is fixedly installed on one side of the box body 27.

[0034] The inner cavity of the bracket 2 is provided with a driving member that triggers the operation of the driving motor 210. The driving member includes a rectangular groove 231 opened in the inner cavity of the bracket 2 and connected to the sliding groove 24. The inner cavity of the rectangular groove 231 is elastically slidably connected with an extrusion hemisphere 232 that abuts the sliding rod 23. The inner wall of the rectangular groove 231 is fixedly installed with a trigger switch 233 that corresponds one-to-one to the extrusion hemisphere 232. The trigger switch 233 is electrically connected to the driving motor 210.

[0035] When the present invention is in use, the distance between the two curved scrapers 37 in each bottle-dropping hole 31 is first uniformly adjusted according to the specifications of the multiple PET bottles to be loaded. During adjustment, the rotary handle is rotated to cause the rotating rod 33 to rotate synchronously. Since the two curved scrapers 37 and the corresponding two sections of external threads 34 on the rotating rod 33 have opposite thread rotation directions, the rotation of the rotating rod 33 can cause the nuts 35 on the two sections of external threads 34 to move relative to each other, and the nuts 35 drive the curved scrapers 37 to move synchronously, thereby quickly completing the adjustment work in a short time. After adjustment, the PET bottles are then dropped onto the conveyor belt 21 through the multiple bottle-dropping holes 31, and the curved scrapers 37 are used to easily scrape off the labels on the PET bottles. The scraped labels fall onto the receiving plate 36.

[0036] After pre-treatment, the PET bottles will fall onto the conveyor belt 21. The setting of the first baffle 22 can prevent the PET bottles that fall onto the conveyor belt 21 from moving down the inclined surface of the conveyor belt 21. At this time, the conveyor belt 21 is operated again, and the conveyor belt 21 drives the first baffle 22 to push the PET bottles to move toward the second baffle 26. As the first baffle 22 continues to move, the PET bottles on the conveyor belt 21 are continuously compressed. When the PET bottles are compressed to the limit, the sliding rods 23 on both sides of the first baffle 22 will squeeze the squeezing hemispheres 232. When the squeezing hemispheres 232 are squeezed, they will contact the trigger switch 233. The trigger switch 233 will turn on the power of the drive motor 210, and the drive motor 210 will rotate the threaded rod 28. The rotation of the threaded rod 28 will cause the screw sleeve 29 to drive the second baffle 26 to slide, so that the compressed PET bottles can enter the recycling and crushing device body 1 in time, and are conveniently crushed by the recycling and crushing device body 1. After crushing, they can be recycled.

[0037] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A crushing device for recycling waste PET bottle flakes, comprising a recycling crushing device body (1), characterized in that: A PET bottle feeding mechanism is provided on one side of the recycling and crushing device body (1), and the PET bottle feeding mechanism comprises a conveyor belt (21) provided in the inner cavity of the bracket (2) for conveying the PET bottles, a first baffle (22) being fixedly mounted on the working surface of the conveyor belt (21), and a second baffle (26) corresponding to the first baffle (22) being slidably connected through one side of the bracket (2), and the running conveyor belt (21) causes the first baffle (22) to move toward the second baffle (26), thereby achieving compression of the PET bottles; The top end of the bracket (2) is provided with a driving assembly for causing the second baffle (26) to slide back and forth, the driving assembly comprising a threaded rod (28) rotatably connected to the top end of the bracket (2), and a threaded sleeve (29) fixedly connected to the second baffle (26) is provided on the outer peripheral wall of the threaded rod (28).

2. The crushing device for recycling waste PET bottle flakes according to claim 1, characterized in that: Sliding rods (23) are fixedly mounted on both sides of the first baffle (22), and a sliding groove (24) for the sliding rods (23) to slide is provided on the inner wall of the bracket (2).

3. The crushing device for recycling waste PET bottle flakes according to claim 1, characterized in that: A driving motor (210) for driving the threaded rod (28) to rotate is fixedly mounted on one side of the bracket (2).

4. The crushing device for recycling waste PET bottle flakes according to claim 3, characterized in that: A rectangular groove (231) communicating with the sliding groove (24) is provided in the inner cavity of the bracket (2) and on one side close to the second baffle (26); an extrusion hemisphere (232) abutting against the sliding rod (23) is elastically slidably connected to the inner cavity of the rectangular groove (231); a trigger switch (233) corresponding to the extrusion hemisphere (232) is fixedly mounted on the inner wall of the rectangular groove (231); and the trigger switch (233) is electrically connected to the drive motor (210).

5. The crushing device for recycling waste PET bottle flakes according to claim 1, characterized in that: Two arc-shaped scrapers (37) for scraping off labels on PET bottles are symmetrically and slidably connected to the inner grooves of the multiple bottle-dropping holes (31) in the bracket (2).

6. The crushing device for recycling waste PET bottle flakes according to claim 5, characterized in that: The inner cavity of the bracket (2) is rotatably connected to a rotating rod (33), and the outer peripheral wall of the rotating rod (33) is provided with external threads (34) corresponding to the two arc-shaped scrapers (37). Nuts (35) fixedly connected to the arc-shaped scrapers (37) are both threadedly sleeved on the two sections of the external threads (34) of the rotating rod (33) with opposite thread rotation directions.

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