Waste plastic crushing device

By using a meshing crushing roller and a screw conveyor shaft in the waste plastic crushing equipment, the problem of large waste material clogging is solved, achieving efficient crushing and uniform conveying of waste plastics, and improving the operating efficiency and stability of the equipment.

CN224060221UActive Publication Date: 2026-03-31ZHONGSHAN YOULI MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing waste plastic crushing equipment is prone to clogging at the feed inlet when processing large pieces of waste, which affects crushing efficiency and feeding smoothness.

Method used

The system employs two intermeshing crushing rollers inside the feed hopper, driven by a second motor. This, along with the screw conveyor shaft, the rotating shaft inside the crushing cylinder, and the crushing blades, enables synchronous operation and uniform conveying, ensuring the initial crushing and uniform pulverization of large pieces of waste plastic.

Benefits of technology

It effectively prevents clogging, improves crushing efficiency and feeding smoothness, ensures uniform particle size after crushing, and enhances the operating efficiency and stability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a waste plastic crushing device, which relates to the technical field of waste plastic crushing, and comprises a crushing cylinder, the outer surface of the crushing cylinder is fixedly communicated with a feeding shell, the upper surface of the feeding shell is fixedly communicated with a feeding hopper, and the interior of the feeding hopper is rotatably connected with two crushing rollers through bearings. And the interior of the feeding shell is rotationally connected with a spiral conveying shaft through a bearing, and a first motor is installed on the left side face of the feeding shell. According to the waste plastic crushing device, through the arrangement of the feeding hopper and the two crushing rollers engaged with each other, large waste plastic can be preliminarily crushed, the large waste plastic is effectively prevented from directly entering the crushing cylinder to cause blockage, the crushing rollers are driven by the second motor, and the two crushing rollers are ensured to synchronously run through the gear engagement design; the crushing efficiency and the feeding smoothness are improved, the spiral conveying shaft arranged in the feeding shell is driven by the first motor, waste plastics obtained after preliminary crushing can be evenly conveyed into the crushing barrel, and material accumulation is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of waste plastics pulverizing device, belong to waste plastics pulverizing technical field. BACKGROUND

[0002] With the increasing use of global plastic products, the problem of waste plastics is increasingly serious, if waste plastics cannot be effectively treated, it will cause serious pollution to the environment, such as soil degradation, water pollution and the harm of microplastics to the ecosystem, therefore, developing efficient waste plastics treatment technology has become an important task in the current environmental protection field.

[0003] Waste plastics pulverizing device is one of the key equipment for waste plastics recycling, its main function is to crush large pieces of waste plastics into small particles, so as to facilitate subsequent cleaning, sorting, melting and regranulation process, the current pulverizing equipment is easy to cause feeding port to be blocked during processing, so that the feeding of waste materials becomes not smooth, which affects the pulverizing efficiency, therefore, we provide a kind of waste plastics pulverizing device to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides a kind of waste plastics pulverizing device to solve the above problems, and the specific technical scheme is:

[0005] A kind of waste plastics pulverizing device, including pulverizing cylinder, the outer surface of the pulverizing cylinder is fixedly connected with feeding shell, the upper surface of the feeding shell is fixedly connected with feeding hopper, the inside of the feeding hopper is rotatably connected with two crushing rollers by bearing, the inside of the feeding shell is rotatably connected with spiral conveying shaft by bearing, the left side of the feeding shell is installed with first motor, the output end of the first motor is connected with the left end of spiral conveying shaft, the inside of the pulverizing cylinder is rotatably connected with shaft, the outer surface of the shaft is fixedly connected with the pulverizing blade arranged at equal distance, the outer surface of the pulverizing cylinder is provided with discharge port.

[0006] Preferably, the front of the feeding hopper is fixedly connected with protective shell, the front end of each crushing roller is installed with gear, two gears are engaged, the back of the feeding hopper is installed with second motor, the output end of the second motor is connected with one end of one of the crushing rollers.

[0007] Preferably, the upper surface of the pulverizing cylinder is installed with third motor, the output end of the third motor is connected with the top end of the shaft, the outer surface of the bottom end of the shaft is fixedly connected with stirring blade.

[0008] Preferably, the upper surface of the pulverizing cylinder is installed with machine cover, the outer surface of the machine cover is provided with heat dissipation window.

[0009] Preferably, the bottom surface of the crushing cylinder is fixedly connected with a base, and the upper surface of the base is provided with two groups of fixing holes.

[0010] Preferably, the bottom surface of the feeding shell is fixedly connected with a control switch, and the control switch is electrically connected with the first motor, the second motor and the third motor through wires.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The waste plastic crushing device can preliminarily crush large waste plastics, effectively prevents large waste plastics from directly entering the crushing cylinder and causing blockage, and improves the crushing efficiency and the smoothness of feeding. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of the utility model as a whole.

[0014] Figure 2 It is a connection structure schematic diagram of the crushing roller and the gear in the utility model.

[0015] Figure 3 It is a downward sectional structure schematic diagram of the feeding shell in the utility model.

[0016] Figure 4 It is a sectional structure schematic diagram of the crushing cylinder in the utility model.

[0017] BRIEF DESCRIPTION OF DRAWINGS: 1, crushing cylinder; 2, fixing hole; 3, control switch; 4, feeding shell; 5, first motor; 6, protective shell; 7, feeding hopper; 8, crushing roller; 9, second motor; 10, machine cover; 11, heat dissipation window; 12, discharge port; 13, base; 14, gear; 15, spiral conveying shaft; 16, third motor; 17, crushing blade; 18, rotating shaft; 19, raking blade. DETAILED DESCRIPTION

[0018] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication. For ordinary skilled person in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 In the utility model, a kind of waste plastic crushing device, the outer surface of crushing cylinder 1 is fixedly connected with feed shell 4, the upper surface of feed shell 4 is fixedly connected with feed hopper 7, the inside of feed hopper 7 is rotatably connected with two crushing rollers 8 by bearing, the front surface of feed hopper 7 is fixedly connected with protective shell 6, the front end of each crushing roller 8 is equipped with gear 14, two gears 14 are engaged, the back surface of feed hopper 7 is equipped with second motor 9, the output end of second motor 9 is connected with one end of one of crushing roller 8, by being equipped with feed hopper 7 and two mutually engaged crushing rollers 8, preliminary crushing can be carried out to large waste plastics, effectively prevent large waste from directly entering crushing cylinder 1 and causing blockage.Crushing roller 8 is driven by second motor 9, gear 14 engagement design ensures that two crushing rollers 8 are synchronous, improves crushing efficiency and the smoothness of feeding.

[0021] The inside of feed shell 4 is rotatably connected with spiral conveying shaft 15 by bearing, the left side of feed shell 4 is equipped with first motor 5, the output end of first motor 5 is connected with the left end of spiral conveying shaft 15, the inside of crushing cylinder 1 is rotatably connected with rotating shaft 18 by bearing, the outer surface of rotating shaft 18 is fixedly connected with the equal-distance arrangement of crushing blade 17, the outer surface of crushing cylinder 1 is equipped with discharge port 12, spiral conveying shaft 15 arranged in feed shell 4 is driven by first motor 5, can uniformly convey waste plastics after preliminary crushing to crushing cylinder 1, avoid material accumulation or blockage, the upper surface of crushing cylinder 1 is equipped with third motor 16, the output end of third motor 16 is connected with the top end of rotating shaft 18, the outer surface of the bottom end of rotating shaft 18 is fixedly connected with stirring blade 19, the equal-distance arrangement of crushing blade 17 is installed on rotating shaft 18 in crushing cylinder 1, is driven by third motor 16, can carry out efficient crushing to waste plastics, ensure that the size of particle after crushing is uniform.

[0022] The bottom surface of the crushing cylinder 1 is fixedly connected with a base 13, the upper surface of the base 13 is provided with two groups of fixing holes 2, the base 13 facilitates the installation of the crushing device, the upper surface of the crushing cylinder 1 is provided with a machine cover 10, the outer surface of the machine cover 10 is provided with a heat dissipation window 11, the machine cover 10 can protect the third motor 16, the heat dissipation window 11 facilitates the heat dissipation of the machine cover 10, the bottom surface of the feeding shell 4 is fixedly connected with a control switch 3, the control switch 3 is electrically connected with the first motor 5, the second motor 9 and the third motor 16 through wires, and the control switch 3 facilitates the control of the crushing device.

[0023] The working principle of the utility model is:

[0024] In use, first, the crushing device is installed at a use position through the base 13, the power supply of the crushing device is connected, the crushing device is started through the control switch 3, the waste plastics are put into the feeding hopper 7, the second motor 9 drives the two occlusal crushing rollers 8 to preliminarily crush the large waste plastics in cooperation with the gear 14, the preliminarily crushed plastic blocks enter the feeding shell 4, the first motor 5 drives the spiral conveying shaft 15 to uniformly convey the preliminarily crushed waste plastics into the crushing cylinder 1, so as to avoid material accumulation or blockage, the waste plastics in the crushing cylinder 1 are further crushed by the crushing blades 17 on the rotating shaft 18 driven by the third motor 16, and the crushed plastics are discharged through the discharge port 12 under the cooperation of the stirring blades 19.

[0025] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

[0027] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the claims of the present application.

Claims

1. A waste plastic shredding device comprising a shredding cylinder (1), characterized in that: The outer surface of the pulverizing cylinder (1) is fixedly connected with a feeding shell (4), the upper surface of the feeding shell (4) is fixedly connected with a feeding hopper (7), the interiors of the feeding hopper (7) are rotatably connected with two crushing rollers (8) through bearings, the interior of the feeding shell (4) is rotatably connected with a spiral conveying shaft (15) through a bearing, the left side surface of the feeding shell (4) is mounted with a first motor (5), the output end of the first motor (5) is connected with the left end of the spiral conveying shaft (15), the interior of the pulverizing cylinder (1) is rotatably connected with a rotating shaft (18) through a bearing, the outer surface of the rotating shaft (18) is fixedly connected with pulverizing blades (17) arranged at equal distances, and the outer surface of the pulverizing cylinder (1) is provided with a discharge port (12).

2. A waste plastic shredding device as claimed in claim 1, wherein: The front surface of the feeding hopper (7) is fixedly connected with a protective shell (6), the front ends of each of the crushing rollers (8) are mounted with gears (14), the two gears (14) are engaged, the back surface of the feeding hopper (7) is mounted with a second motor (9), and the output end of the second motor (9) is connected with one end of one of the crushing rollers (8).

3. A waste plastic shredding device as claimed in claim 1, wherein: The upper surface of the pulverizing cylinder (1) is mounted with a third motor (16), the output end of the third motor (16) is connected with the top end of the rotating shaft (18), and the outer surface of the bottom end of the rotating shaft (18) is fixedly connected with a stirring blade (19).

4. A waste plastic shredding device as claimed in claim 1, wherein: The upper surface of the pulverizing cylinder (1) is mounted with a machine cover (10), and the outer surface of the machine cover (10) is provided with a heat dissipation window (11).

5. A waste plastic shredding device as claimed in claim 1, wherein: The bottom surface of the pulverizing cylinder (1) is fixedly connected with a base (13), and the upper surface of the base (13) is provided with two groups of fixing holes (2).

6. A waste plastic shredding device as claimed in claim 1, wherein: The bottom surface of the feeding shell (4) is fixedly connected with a control switch (3), and the control switch (3) is electrically connected with the first motor (5), the second motor (9) and the third motor (16) through wires.