PE plastic waste crushing and grading device
The multi-stage vibration screening of PE plastic waste is achieved by a device in which a crushing roller drives a rotating cam, which solves the problems of manual transfer and additional power source in the existing technology, improves work efficiency and saves energy costs.
Patent Information
- Application Number
- CN202422976894.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-04
AI Technical Summary
In the existing PE plastic waste crushing and grading process, it is necessary to manually transfer the crushed plastic waste to the screening device, which increases the work process. In addition, the screening effect of the device equipped with a single screening net is poor, and an additional power source is required to drive the screening net to vibrate, which consumes energy and increases costs.
A device including a crushing component, a vibrating screening component and a transmission component is designed. The crushing roller rotates to drive the pulley, which transmits the rotating cam to achieve multi-stage vibrating screening of PE plastic waste, eliminating the need for an additional power source.
It realizes direct multi-stage vibration screening of PE plastic waste after crushing, which improves work efficiency, saves energy and reduces screening costs.
Smart Images

Figure CN223419859U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of PE plastic waste treatment, especially a kind of PE plastic waste crushing classification device. BACKGROUND
[0002] With the rapid development of plastics industry, PE plastic is widely used in packaging, construction, agriculture and other fields due to its good physical and chemical properties, however, the large use of PE plastic also leads to the generation of a large amount of waste, which will not only cause environmental pollution, but also waste valuable resources if not properly disposed.
[0003] The existing PE plastic waste crushing classification is usually first crushed by a crushing device, then the crushed PE plastic waste is transferred to a multi-stage screening device by manual screening, or a single screening net is installed on the crushing device, which needs to be driven by an additional power source to vibrate the screening net for vibration screening. However, since the crushed PE plastic waste needs to be transferred to the screening device by manual screening, the work process is increased, thereby affecting the work efficiency, and the crushing device with a single screening net has poor screening effect and needs to be driven by an additional power source to vibrate the screening net, which consumes energy and increases the screening cost.
[0004] Therefore, it is necessary to design a PE plastic waste crushing classification device that can directly perform multi-stage vibration screening on the crushed PE plastic waste, improve work efficiency, and does not need to use an additional power source for vibration screening, saving energy and reducing screening cost. SUMMARY
[0005] In order to overcome the shortcomings of the existing PE plastic waste crushing classification, the crushed PE plastic waste needs to be transferred to the screening device by manual screening, which increases the work process and affects the work efficiency, and the crushing device with a single screening net has poor screening effect and needs to be driven by an additional power source to vibrate the screening net, which consumes energy and increases the screening cost, the utility model provides a kind of PE plastic waste crushing classification device that can directly perform multi-stage vibration screening on the crushed PE plastic waste, improve work efficiency, and does not need to use an additional power source for vibration screening, saving energy and reducing screening cost.
[0006] Technical solution: a kind of PE plastic waste crushing classification device, including support frame, processing box, crushing assembly, transmission assembly and vibration screening assembly, support frame upper side is connected with processing box, processing box upper portion is equipped with crushing assembly, processing box interior is equipped with vibration screening assembly, transmission assembly is arranged between vibration screening assembly and crushing assembly.
[0007] Further illustrate, the crushing assembly includes fixed block, motor, gear and crushing roller, the left upper portion of the processing box is connected with fixed block, the fixed block is connected with motor, the upper portion of the processing box is rotatably connected with left and right two crushing rollers, the left crushing roller is connected with motor output shaft, the front portion of the crushing roller is connected with gear, and the gears are meshed with each other.
[0008] Further illustrate, the vibrating screening assembly includes rotating shaft, rotating cam, support block, sliding rod, first screening net, second screening net, discharging frame, expansion spring and extrusion frame, the lower portion of the processing box is rotatably connected with rotating shaft, the front and rear portions of the rotating shaft are connected with rotating cam, the inner sides of the left and right portions of the processing box are connected with front and rear two support blocks, the support blocks are slidably connected with sliding rods, the upper sides of the sliding rods are connected with first screening net, the lower portions of the sliding rods are connected with second screening net, the outer sides of the first screening net and the second screening net are connected with discharging frame, the discharging frame is slidably connected with the processing box, the support blocks are connected with the second screening net through expansion spring, and the lower sides of the left and right two adjacent sliding rods are connected with extrusion frame.
[0009] Further illustrate, the transmission assembly includes belt pulley and flat belt, the front portions of the left and right crushing rollers are connected with belt pulley, and the belt pulleys are connected with flat belt.
[0010] Further illustrate, the processing box is connected with feeding frame.
[0011] Further illustrate, the lower portion of the processing box is connected with discharging hopper.
[0012] The beneficial effects of the utility model are as follows: the utility model discloses a crushing roller is used for crushing PE plastic waste, the crushing roller rotates to drive the belt pulley and flat belt to rotate, drives the rotating cam to rotate and pushes the extrusion frame, so that the first screening net and the second screening net are moved and reset, which can directly carry out multistage vibrating screening on the PE plastic waste after crushing, improves work efficiency, does not need to use power source for vibrating screening additionally, saves energy, and reduces screening cost. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the three-dimensional structure schematic diagram of the vibrating screening assembly and the transmission assembly of the utility model.
[0015] Figure 3 It is the three-dimensional structure schematic diagram of the crushing assembly of the utility model.
[0016] Figure 4 It is the partial three-dimensional structure schematic diagram of the vibrating screening assembly of the utility model.
[0017] Figure 5 It is a partial three-dimensional structural diagram of the vibrating screening assembly of the utility model.
[0018] Markings in the accompanying drawings: 1: support frame, 2: processing box, 3: feed frame, 4: fixed block, 5: motor, 6: gear, 7: crushing roller, 8: discharge hopper, 9: transmission assembly, 10: rotating shaft, 11: rotating cam, 12: support block, 13: slide rod, 14: first screening net, 15: second screening net, 16: discharge frame, 17: telescopic spring, 18: extrusion frame. DETAILED DESCRIPTION
[0019] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the present invention are shown. However, the present invention can be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and will fully convey the scope of the invention to those skilled in the art.
[0020] A PE plastic waste crushing and grading device, such as Figure 1 and Figure 2 As shown, it includes a support frame 1, a processing box 2, a feed frame 3, a lower hopper 8, a crushing assembly, a transmission assembly 9 and a vibration screening assembly. The upper side of the support frame 1 is connected to the processing box 2, the upper side of the processing box 2 is connected to the feed frame 3, the lower inner side of the processing box 2 is connected to the lower hopper 8, the upper part of the processing box 2 is provided with a crushing assembly capable of crushing PE plastic waste, the inside of the processing box 2 is provided with a vibration screening assembly capable of vibrating and screening PE plastic waste, and a transmission assembly 9 capable of transmission is provided between the vibration screening assembly and the crushing assembly.
[0021] like Figure 1-Figure 3 As shown, the crushing assembly includes a fixed block 4, a motor 5, a gear 6 and a crushing roller 7. The fixed block 4 is connected to the front side of the upper left part of the processing box 2, and the motor 5 is connected to the fixed block 4. The upper part of the processing box 2 is rotatably connected to the left and right crushing rollers 7. The left crushing roller 7 is connected to the output shaft of the motor 5. The front of the crushing rollers 7 is connected to the gear 6, and the gears 6 are engaged with each other.
[0022] like Figure 1 、 Figure 2 、 Figure 4 and Figure 5As shown, the vibrating screening assembly includes a rotating shaft 10, a rotating cam 11, a support block 12, a slide bar 13, a first screening net 14, a second screening net 15, a blanking frame 16, a telescopic spring 17 and an extrusion frame 18. The lower part of the processing box 2 is rotatably connected to the rotating shaft 10, and the front and rear parts of the rotating shaft 10 are connected to the rotating cam 11. The inner sides of the left and right parts of the processing box 2 are connected to the front and rear support blocks 12, and the support blocks 12 are slidably connected to the slide bars 13. The first screening net 14 is connected between the upper sides of the slide bars 13, and the second screening net 15 is connected between the lower parts of the slide bars 13. The outer sides of the first screening net 14 and the second screening net 15 are connected to the blanking frame 16, and the blanking frame 16 is slidably connected to the processing box 2. The support blocks 12 are connected to the second screening net 15 with telescopic springs 17. The lower sides of two adjacent slide bars 13 on the left and right are connected to the extrusion frame 18, and the rotating cams 11 are in contact with adjacent extrusion frames 18.
[0023] like Figure 1 and Figure 2 As shown, the transmission assembly 9 includes a pulley and a flat belt. The right crushing roller 7 and the front of the rotating shaft 10 are both connected with pulleys, and a flat belt is wound between the pulleys.
[0024] When using the device, first place the support frame 1 in the PE plastic waste crushing and grading area, then discharge the PE plastic waste into the processing box 2 through the feed frame 3, and then start the motor 5 on the fixed block 4 to drive the left gear 6 and the crushing roller 7 to rotate. The gears 6 engage with each other and drive the right crushing roller 7 to rotate, so that the crushed PE plastic waste falls onto the first screening net 14. The right crushing roller 7 rotates and drives the pulley to rotate. The pulley and the flat belt drive the rotating shaft 10 to rotate, driving the rotating cam 11 to rotate, so that the rotating cam 11 contacts the extrusion frame 18, driving the extrusion frame 18 The movement causes the slide bar 13 to move upward on the support block 12, and the telescopic spring 17 is stretched and then restored, driving the slide bar 13 to move and reset, so that the first screening net 14 and the second screening net 15 move upward and then reset to perform vibration screening, thereby causing larger PE plastic waste to be discharged from the upper discharge frame 16, medium PE plastic waste to be discharged from the lower discharge frame 16, and the smallest PE plastic waste to be discharged from the discharge hopper 8, so that the PE plastic waste can be directly subjected to multi-stage vibration screening after being crushed, thereby improving work efficiency, and no additional power source is required for vibration screening, saving energy, and reducing screening costs.
[0025] While the present invention has been described with reference to exemplary embodiments, it should be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all modifications and equivalent structures and functions.
Claims
1. A PE plastic waste crushing and grading device, characterized by: The invention comprises a support frame (1), a processing box (2), a crushing assembly, a transmission assembly (9) and a vibration screening assembly. The upper side of the support frame (1) is connected to the processing box (2). The upper part of the processing box (2) is provided with a crushing assembly capable of crushing PE plastic waste. The inside of the processing box (2) is provided with a vibration screening assembly capable of vibrating and screening PE plastic waste. A transmission assembly (9) capable of transmission is provided between the vibration screening assembly and the crushing assembly.
2. The PE plastic waste crushing and grading device according to claim 1, characterized in that: Broken components The invention comprises a fixed block (4), a motor (5), a gear (6) and a crushing roller (7); the fixed block (4) is connected to the front side of the upper left portion of the processing box (2); the motor (5) is connected to the fixed block (4); the upper portion of the processing box (2) is rotatably connected to two left and right crushing rollers (7); the left crushing roller (7) is connected to the output shaft of the motor (5); the front portions of the crushing rollers (7) are connected to the gears (6); and the gears (6) are meshed with each other.
3. The PE plastic waste crushing and grading device according to claim 1 is characterized in that: The vibration screening assembly includes a rotating shaft (10), a rotating cam (11), a support block (12), a slide bar (13), a first screening net (14), a second screening net (15), a blanking frame (16), a telescopic spring (17) and an extrusion frame (18). The lower part of the processing box (2) is rotatably connected to the rotating shaft (10), the front and rear parts of the rotating shaft (10) are both connected to the rotating cam (11), the inner sides of the left and right parts of the processing box (2) are both connected to the front and rear support blocks (12), the support blocks (12) are both slidably connected to the slide bar (13), and the slide bar ( A first screening net (14) is connected between the upper sides of the slide bars (13), a second screening net (15) is connected between the lower parts of the slide bars (13), a blanking frame (16) is connected to the outer sides of the first screening net (14) and the second screening net (15), the blanking frame (16) is connected to the processing box (2) in a sliding manner, a telescopic spring (17) is connected between the support blocks (12) and the second screening net (15), an extrusion frame (18) is connected between the lower sides of the two adjacent slide bars (13), and the rotating cam (11) is in contact with the adjacent extrusion frame (18).
4. The PE plastic waste crushing and grading device according to claim 1 is characterized in that: The transmission assembly (9) includes a pulley and a flat belt. The right crushing roller (7) and the front of the rotating shaft (10) are both connected with pulleys, and a flat belt is wound between the pulleys.
5. The PE plastic waste crushing and grading device according to claim 1 is characterized in that: It also includes a feed frame (3), and the upper side of the processing box (2) is connected to the feed frame (3).
6. The PE plastic waste crushing and grading device according to claim 1, characterized in that: It also includes a lower hopper (8), and the lower inner side of the processing box (2) is connected to the lower hopper (8).