Plastic film recycling device

By designing a plastic film recycling device including collection, heating, crushing and grinding mechanisms, the problem of time-consuming and labor-intensive recycling of plastic films and poor crushing effect in factory recycling is solved, and efficient plastic film recycling and crushing is achieved.

CN222727114UActive Publication Date: 2025-04-08NANJING FUSHUN PLASTICS CO LTD
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Patent Information

Application Number
CN202421511270.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-04-08
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

In the prior art, factories are time-consuming and labor-intensive to recycle plastic films and have poor effect on pulverizing plastic films.

Method used

A plastic film recycling device is designed, including a box, a collection mechanism, a heating mechanism, a crushing mechanism, a grinding mechanism, and a transmission mechanism. The collection mechanism facilitates workers to recycle plastic film nearby, the heating mechanism causes the plastic film to shrink and harden due to heat, the crushing mechanism and the grinding mechanism are crushed and ground, and the transmission mechanism drives the work of each mechanism.

Benefits of technology

Through this device, workers can easily recycle the plastic film into the box. After heating, crushing and grinding, the plastic film forms fine crushed particles, which significantly improves the recycling efficiency and crushing effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222727114U_ABST
Patent Text Reader

Abstract

The utility model discloses a plastic film recovery device, which comprises a box body, a collecting mechanism, a heating mechanism, a crushing mechanism, a grinding mechanism, and a transmission mechanism. A feeding hole is provided at the top of the box body, an air inlet is provided at the bottom side wall of the box body, the collecting mechanism comprises a feeding hose fixed in the feeding hole, the heating mechanism comprises a first material guide plate, a second material guide plate and a heating component arranged on the inner wall of the box body, the crushing mechanism comprises two first rotating rods and two crushing rollers rotatably arranged on the inner wall of the box body, the grinding mechanism comprises a second rotating rod and a grinding roller rotatably arranged below the two crushing rollers, a grinding block is arranged on one side of the grinding roller, and the transmission mechanism drives the first rotating rod and the second rotating rod to rotate; the utility model is convenient for workers to recycle plastic films nearby, the heating mechanism makes the plastic films gather quickly to form an irregular body with hardened texture, and is convenient for the crushing mechanism and the grinding mechanism to perform crushing and grinding.
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Description

Technical Field

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

[0002] Plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly large share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical industry and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, frozen food packaging, steamed food packaging, fast food packaging, etc. These products have brought great convenience to people's lives.

[0003] The chemical structure of plastic film is stable and difficult to decompose naturally. Improper handling of plastic film will cause serious environmental pollution. There are two difficulties for factories that manufacture plastic film to recycle waste plastic film: First, the production workshop is too large, and it is very time-consuming and laborious for workers to pick up the waste plastic film on the ground and walk to the recycling point; Second, the existing practice of recycling plastic film is mostly to crush the waste plastic film and mix it into raw materials for use, but due to the flexibility of plastic film, it is difficult to achieve a better crushing effect; for this reason, we propose a plastic film recycling device. Utility Model Content

[0004] The problem to be solved by the utility model is that in the prior art, it is time-consuming and laborious to recycle plastic films in factories and the crushing effect of the plastic films is poor.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a plastic film recovery device, which includes a box body, a collecting mechanism, a heating mechanism, a crushing mechanism, a grinding mechanism, and a transmission mechanism. A feed hole is provided at the top of the box body, an air inlet is provided on the bottom side wall of the box body, the collecting mechanism includes a feed hose fixed in the feed hole, the end of the feed hose is connected to one end of a feed hard pipe, a plurality of feed branch pipes are arranged at intervals on the outer wall of the feed hard pipe, a protective cover is provided at the air inlet, a first servo motor is provided on the outer wall of the protective cover, an output end of the first servo motor passes through the protective cover and is connected to a first rotating shaft, a plurality of fan blades are provided at the end of the first rotating shaft, a discharge port is provided at the bottom end of the protective cover, and the heating mechanism includes a plurality of fan blades arranged at intervals on the box body. A first material guide plate and a second material guide plate are provided on the inner walls on both sides of the upper part of the body, and heating components are respectively provided on both sides above the first material guide plate and on the inner wall of the box between the first material guide plate and the second material guide plate. The crushing mechanism includes two first rotating rods rotatably arranged side by side on the inner wall of the box, and the outer walls of the two first rotating rods are provided with mutually meshing crushing rollers, and the ends of the two first rotating rods are respectively provided with meshing toothed disks. The grinding mechanism includes a second rotating rod arranged below the two crushing rollers, and a grinding roller is provided on the outer wall of the second rotating rod. A grinding block is provided on the inner wall of the box on one side of the grinding roller, and the end face of the grinding block facing the grinding roller is an arc-shaped surface, and the arc-shaped surface is evenly distributed with grinding teeth. The gap between the arc-shaped surface and the grinding roller fits, and the transmission mechanism drives the first rotating rod and the second rotating rod to rotate.

[0006] As a preferred solution of the plastic film recovery device described in the utility model, one of the ends of the two first rotating rods is provided with a first gear, the end of the second rotating rod is provided with a second gear, the transmission mechanism includes a second servo motor arranged outside the box body, the output end of the second servo motor passes through the box body and is connected to the second rotating shaft, the end of the second rotating shaft is provided with a third gear, and a transmission chain is provided between the first gear, the second gear, and the third gear.

[0007] As a preferred solution of the plastic film recovery device described in the utility model, the bottom end of the second material guide plate is located directly above the two crushing rollers, the heating assembly includes several groups of electric heating wires, and a protective shell is arranged outside the several groups of electric heating wires, and a plurality of heat dissipation holes are evenly distributed on the protective shell.

[0008] As a preferred solution of the plastic film recovery device described in the utility model, the other end of the feed hard tube is closed, and a recovery tube is arranged at the discharge port.

[0009] As a preferred solution of the plastic film recovery device described in the utility model, a third material guide plate is obliquely provided on the inner wall of the box body above the grinding roller, and the inclined bottom end of the third material guide plate is located directly above the grinding roller.

[0010] The beneficial effects of the utility model are as follows: the collecting mechanism in the utility model makes it convenient for workers to recycle the plastic film into the box nearby, and a heating mechanism is arranged in the box to heat the plastic film, so that the edge materials of the plastic film are quickly gathered together by the heat to form various irregular bodies with hardened texture, which is convenient for the crushing mechanism and the grinding mechanism to crush and grind. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0012] Figure 1 The figure is an overall structural diagram of a plastic film recycling device.

[0013] Figure 2 The present invention is a schematic diagram of the structure inside a box in a plastic film recycling device.

[0014] Figure 3 This is a schematic diagram of the structure inside the box of a plastic film recycling device from another angle.

[0015] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0016] Figure 5 The present invention is a schematic diagram of the assembly of a protective cover and a first servo motor in a plastic film recovery device. DETAILED DESCRIPTION

[0017] The utility model is specifically introduced below in conjunction with the accompanying drawings and embodiments.

[0018] Reference Figures 1 to 5The present embodiment is a plastic film recovery device, comprising a box body 100, a collecting mechanism 200, a heating mechanism 300, a crushing mechanism 400, a grinding mechanism 500, and a transmission mechanism 600. The box body 100 has a feed hole 101 at the top, and an air inlet 102 at the bottom side wall of the box body 100. The collecting mechanism 200 comprises a feed hose 201 fixed in the feed hole 101, and the end of the feed hose 201 is connected to one end of a feed hard pipe 202. The outer wall is provided with a plurality of feed branch pipes 203 at intervals, a protective cover 204 is provided at the air inlet 102, a first servo motor 205 is provided on the outer wall of the protective cover 204, an output end of the first servo motor 205 passes through the protective cover 204 and is connected to a first rotating shaft 205a, a plurality of fan blades 205b are provided at the end of the first rotating shaft 205a, a discharge port 204a is provided at the bottom end of the protective cover 204, and the heating mechanism 300 includes first servo motors 205 arranged at intervals on the inner walls of both sides of the upper part of the box body 100 The guide plate 301 and the second guide plate 302, the heating components 303 are respectively arranged on both sides above the first guide plate 301 and the inner wall of the box body 100 between the first guide plate 301 and the second guide plate 302, the crushing mechanism 400 includes two first rotating rods 401 rotatably arranged side by side on the inner wall of the box body 100, the outer walls of the two first rotating rods 401 are provided with mutually meshing crushing rollers 402, and the ends of the two first rotating rods 401 are respectively provided with meshing toothed discs 403, the grinder The structure 500 includes a second rotating rod 501 arranged below the two crushing rollers 402, the outer wall of the second rotating rod 501 is provided with a grinding roller 502, the inner wall of the box body 100 on one side of the grinding roller 502 is provided with a grinding block 503, the end surface of the grinding block 503 facing the grinding roller 502 is an arc surface 503a, the arc surface 503a is evenly distributed with grinding teeth, the gap between the arc surface 503a and the grinding roller 502 fits, and the transmission mechanism 600 drives the first rotating rod 401 and the second rotating rod 501 to rotate.

[0019] The first servo motor 205 is turned on, and the first rotating shaft 205a on the first servo motor 205 rotates to drive the plurality of fan blades 205b to rotate and generate suction, and the feed tube 202 is placed at the plastic film processing equipment in the workshop. The waste plastic film cut by the operator during the plastic film processing can enter the feed tube 202 from the feed branch pipe 203 closest to the worker. Under the action of suction, the waste plastic film enters the box body 100 through the feed hose 201 from the feed tube 202 and is heated by the heating components 303 on both sides above the first guide plate 301 and between the first guide plate 301 and the second guide plate 302. The plastic film shrinks due to the heat and gathers together quickly to form various irregular bodies with a harder texture. The driving mechanism 600 drives the first rotating rod 401 and the second rotating rod 501 to rotate. Since the ends of the two first rotating rods 401 are respectively provided with meshing toothed discs 403, the rotation of one first rotating rod 401 will drive the rotation of the other first rotating rod 401. The mutually meshing crushing rollers 402 outside the two first rotating rods 401 also start to rotate relatively. The shrunk and gathered plastic film falls between the two crushing rollers 402 for preliminary crushing. After the shrunk and gathered plastic film is initially crushed, it falls between the grinding roller 502 and the arc-shaped surface 503a of the grinding block 503 for further grinding. The ground plastic film fragments fall into the bottom of the box 100 and are drawn to the protective cover 204 by wind, and are discharged through the discharge port 204a and collected.

[0020] In this embodiment, a first gear 404 is provided at one end of the two first rotating rods 401, a second gear 504 is provided at the end of the second rotating rod 501, and the transmission mechanism 600 includes a second servo motor 601 arranged outside the box body 100, and the output end of the second servo motor 601 passes through the box body 100 and is connected to the second rotating shaft 602, and a third gear 603 is provided at the end of the second rotating shaft 602, and a transmission chain 604 is provided between the first gear 404, the second gear 504, and the third gear 603.

[0021] After the second servo motor 601 is turned on, the second servo motor 601 drives the second rotating shaft 602 to rotate and then drives the third gear 603 to rotate. The third gear 603 drives the first gear 404 and the second gear 504 to rotate through the transmission chain 604, and then drives the first rotating rod 401 and the second rotating rod 501 to rotate.

[0022] In this embodiment, the bottom end of the second guide plate 302 is located directly above the two crushing rollers 402, and the heating assembly 303 includes a plurality of groups of electric heating wires 303a, and a protective shell 303b is arranged outside the plurality of groups of electric heating wires 303a, and a plurality of heat dissipation holes 303c are evenly distributed on the protective shell 303b.

[0023] A plurality of groups of electric heating wires 303a are powered on for heating, and the heat is dissipated from a plurality of heat dissipation holes 303c on the protective shell 303b, so that the plastic film shrinks and gathers rapidly due to the heat, and the protective shell 303b prevents the plastic film from directly contacting the electric heating wires 303a.

[0024] In this embodiment, the other end of the feed hard tube 202 is closed, and a recovery tube 204b is provided at the discharge port 204a.

[0025] A collection bag may be sleeved on the recovery pipe 204b to collect and recycle the plastic particles.

[0026] In this embodiment, a third material guide plate 504 is obliquely provided on the inner wall of the box body 100 above the grinding roller 502 , and the inclined bottom end of the third material guide plate 504 is located directly above the grinding roller 502 .

[0027] The shrunk and gathered plastic film is initially crushed and then falls to the third guide plate 505 , and is guided by the third guide plate 505 to the top of the grinding roller 502 .

[0028] Working principle: Turn on the first servo motor 205 and the second servo motor 601, the first rotating shaft 205a on the first servo motor 205 rotates to drive the plurality of fan blades 205b to rotate and generate suction, the feed tube 202 is placed at the plastic film processing equipment in the workshop, and the waste plastic film cut by the operator during the plastic film processing can enter the feed tube 202 from the feed branch pipe 203 closest to the worker, and the waste plastic film enters the box 1 from the feed tube 202 through the feed hose 201 under the action of suction. 00, the heating is performed by the heating components 303 located on both sides above the first material guide plate 301 and between the first material guide plate 301 and the second material guide plate 302, and several groups of electric heating wires 303a in the heating components 303 are energized for heating, and the heat is dissipated from several heat dissipation holes 303c on the protective shell 303b, so that the plastic film shrinks and gathers rapidly when heated, and the protective shell 303b prevents the plastic film from directly contacting the electric heating wires 303a, and the plastic film shrinks and gathers rapidly when heated to form various irregular bodies with a better texture. The second servo motor 601 drives the second rotating shaft 602 to rotate, and then drives the third gear 603 to rotate. The third gear 603 drives the first gear 404 and the second gear 504 to rotate through the transmission chain 604, and then drives the first rotating rod 401 and the second rotating rod 501 to rotate. Since the ends of the two first rotating rods 401 are respectively provided with meshing toothed discs 403, the rotation of one first rotating rod 401 will drive the rotation of the other first rotating rod 401. The two first rotating rods 401 are externally connected to each other. The intermeshing crushing rollers 402 also begin to rotate relatively, and the shrunk and gathered plastic film falls between the two crushing rollers 402 for preliminary crushing. The fragments after preliminary crushing are guided by the third guide plate 505 to the top of the grinding roller 502, so that the fragments after preliminary crushing enter between the grinding roller 502 and the curved surface 503a of the grinding block 503 for further grinding. The ground plastic film fragments fall into the bottom of the box 100 and are drawn by wind to the protective cover 204, and are discharged through the recovery pipe 204b on the discharge port 204a and collected.

[0029] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A plastic film recovery device, characterized in that: The invention comprises a box body (100), a collecting mechanism (200), a heating mechanism (300), a crushing mechanism (400), a grinding mechanism (500), and a transmission mechanism (600); a feeding hole (101) is provided at the top of the box body (100); an air inlet (102) is provided at the bottom side wall of the box body (100); the collecting mechanism (200) comprises a feeding hose (201) fixed in the feeding hole (101); an end of the feeding hose (201) is connected to one end of a feeding hard pipe (202); and a plurality of feeding holes are provided at intervals on the outer wall of the feeding hard pipe (202). The branch pipe (203) is provided with a protective cover (204) at the air inlet (102); a first servo motor (205) is provided on the outer wall of the protective cover (204); an output end of the first servo motor (205) passes through the protective cover (204) and is connected to a first rotating shaft (205a); a plurality of fan blades (205b) are provided at the end of the first rotating shaft (205a); a discharge port (204a) is provided at the bottom end of the protective cover (204); and a heating mechanism (300) comprises a first guide plate (301) and a second guide plate (302) which are arranged at staggered intervals on the inner walls of both sides of the upper part of the box body (100). A material guide plate (302), heating components (303) are respectively arranged on both sides above the first material guide plate (301) and on the inner wall of the box body (100) between the first material guide plate (301) and the second material guide plate (302), the crushing mechanism (400) comprises two first rotating rods (401) rotatably arranged side by side on the inner wall of the box body (100), the outer walls of the two first rotating rods (401) are provided with mutually meshing crushing rollers (402), the ends of the two first rotating rods (401) are respectively provided with meshing toothed discs (403), and the grinding mechanism (500) comprises a rotating A second rotating rod (501) is arranged below the two crushing rollers (402); a grinding roller (502) is arranged on the outer wall of the second rotating rod (501); a grinding block (503) is arranged on the inner wall of the box body (100) on one side of the grinding roller (502); an end surface of the grinding block (503) facing the grinding roller (502) is an arcuate surface (503a); grinding teeth are evenly distributed on the arcuate surface (503a); a gap between the arcuate surface (503a) and the grinding roller (502) fits; and a transmission mechanism (600) drives the first rotating rod (401) and the second rotating rod (501) to rotate.

2. A plastic film recovery device as claimed in claim 1, characterized in that: A first gear (404) is disposed at one end of the two first rotating rods (401), a second gear (504) is disposed at the end of the second rotating rod (501), the transmission mechanism (600) comprises a second servo motor (601) disposed outside the housing (100), an output end of the second servo motor (601) passes through the housing (100) and is connected to a second rotating shaft (602), a third gear (603) is disposed at the end of the second rotating shaft (602), and a transmission chain (604) is disposed between the first gear (404), the second gear (504), and the third gear (603).

3. A plastic film recovery device as claimed in claim 1, characterized in that: The bottom end of the second material guide plate (302) is located directly above the two crushing rollers (402), and the heating component (303) comprises a plurality of groups of electric heating wires (303a). A protective shell (303b) is arranged outside the plurality of groups of electric heating wires (303a), and a plurality of heat dissipation holes (303c) are evenly distributed on the protective shell (303b).

4. A plastic film recovery device as claimed in claim 1, characterized in that: The other end of the feed hard tube (202) is closed, and a recovery tube (204b) is provided at the discharge port (204a).

5. A plastic film recovery device as claimed in claim 1, characterized in that: A third material guide plate (505) is obliquely arranged on the inner wall of the box body (100) above the grinding roller (502), and the inclined bottom end of the third material guide plate (505) is located directly above the grinding roller (502).