PVC (polyvinyl chloride) plastic recycling and crushing device
By introducing a guide mechanism and cleaning mechanism into the PVC plastic crushing device, the problem of PVC plate ejection and low efficiency during the crushing process is solved, and more efficient crushing and cleaning is achieved, adapting to the processing of plates of different thicknesses.
Patent Information
- Application Number
- CN202420847484.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-04-23
AI Technical Summary
During the crushing process of the existing PVC plastic crushing device, the PVC plate is easily extruded and deformed by the crushing roller and ejected, which increases the workload and is low in crushing efficiency, making it difficult to deal with sheets of different thicknesses.
A device including a crusher shell, a crushing roller, a guide mechanism and a cleaning mechanism is designed. The guide mechanism guides the PVC plate to the crushing roller through the guide plate and the feed roller, and uses the elastic sleeve to increase the extrusion pressure to ensure the stability of the plate. Convey and crush; the cleaning mechanism cleans the residue through a cooler and a blower to avoid adhesion and improve crushing efficiency.
The crushing efficiency of PVC board is improved, the sheets are prevented from popping out, and the processing of sheets of different thicknesses is adapted to the powder processing, and the residue is cleaned and crushed by a cooler to avoid adhesion and improve the reliability of the equipment.
Smart Images
Figure CN222328774U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PVC plastic recycling, in particular to a PVC plastic recycling and crushing device. Background Art
[0002] PVC plastic, in the chemical field, refers to the compound polyvinyl chloride. Its natural color is slightly yellow, translucent, and shiny. The color of PVC plastic sheet products is generally gray and white, and colored hard boards can also be produced. Since the natural degradation time of PVC plastic waste is very long, it usually takes more than a hundred years to degrade, and a large amount of harmful substances such as methane are also produced during the degradation process, so crushing and recycling are generally adopted. When crushing PVC boards, existing crushing devices often directly put PVC boards from the hopper of the crusher into the crusher. However, during the crushing process, the PVC boards are easily squeezed and deformed by the crushing rollers, and then popped out of the hopper and need to be added to the crusher again, which increases the workload. Utility Model Content
[0003] The purpose of the utility model is to provide a PVC plastic recycling and crushing device to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a PVC plastic recycling and pulverizing device, comprising a pulverizer housing and a pulverizing roller, wherein a drive shaft is fixedly mounted on the inner wall of the pulverizing roller, and the drive shaft passes through the inner wall of the pulverizer housing via a bearing, two pulverizing rollers are provided, and the drive shafts in the two pulverizing rollers are connected via a gear transmission, and a material guide mechanism is fixedly mounted on the top of the pulverizer housing;
[0005] The material guiding mechanism includes a feeding hopper, which is fixedly mounted on the top of the crusher housing, the interior of the feeding hopper is communicated with the interior of the crusher housing, a material guide plate is fixedly mounted on the inner wall of the feeding hopper, the inner wall of the feeding hopper is rotatably connected to a rotating shaft via a bearing, the rotating shaft is transmission-connected to a drive shaft via a pulley set, a feeding roller is fixedly mounted on the outer wall of the rotating shaft, an elastic sleeve is fixedly mounted on the outer wall of the feeding roller, two rotating shafts are provided, and they correspond one to one to the crushing rollers;
[0006] A cleaning mechanism is provided inside the feeding hopper.
[0007] Furthermore, the thickness of the elastic sleeve is greater than the gap between the two crushing rollers, and the distance between the two elastic sleeves is consistent with the distance between the two crushing rollers.
[0008] Furthermore, a bracket is fixedly installed on the outer wall of the crusher shell, a mounting frame is fixedly installed on the outer wall of the bracket, a motor 1 is fixedly installed on the top of the mounting frame, the output end of the motor 1 is transmission-connected to a reducer, and the output end of the reducer is fixedly connected to the left end of the drive shaft.
[0009] Furthermore, the outer wall of the mounting frame is covered with a shielding shell, and the shielding shell covers the mounting frame, motor 1, and reducer, and the front and back sides of the shielding shell are both provided with switch doors.
[0010] Furthermore, the cleaning mechanism includes a cold air blower, a slide rail, and a second motor. The slide rail is fixedly mounted on the inner wall of the feeding hopper, and the slide rail is located below the guide plate. The second motor is fixedly mounted on the top of the shielding shell. The output end of the second motor is fixedly mounted with a reciprocating screw, and the reciprocating screw passes through the outer wall of the feeding hopper through a bearing. The outer wall thread sleeve of the reciprocating screw is provided with a blowing head, and the top of the blowing head is slidably set in the slide rail. The output end of the cold air blower is connected to a diverter pipe through a pipeline, and the diverter pipe is fixedly mounted on the outer wall of the feeding hopper. The top of the diverter pipe is connected with a bellows, and the left end of the bellows is connected to the interior of the blowing head.
[0011] Furthermore, there are two slide rails, which are symmetrically distributed front to back about the center of the hopper, and there are two reciprocating screw rods, which are connected by a pulley group.
[0012] Furthermore, the opening of the blowing head is inclined toward the crushing roller, and the length of the slide rail is greater than the length of the crushing roller.
[0013] Furthermore, two guide plates are provided and are symmetrically distributed front to back about the center of the feeding hopper, and the bottom ends of the two guide plates are inclined toward the center of the feeding hopper.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. The guide plate in the hopper guides the PVC sheet between the two feed rollers, and the two rotating feed rollers convey the PVC sheet toward the crushing roller. When the crushing roller crushes one end of the PVC sheet, the other end is clamped and limited by the two feed rollers and cannot be ejected. Moreover, the fragments crushed by the crushing roller will also be blocked by the feed roller when they are ejected.
[0016] 2. The elastic sleeve increases the extrusion force on the PVC board, so that the feed roller can feed the PVC board downward while pressing the PVC board on the crushing roller, thereby improving the crushing efficiency of the crushing roller on the PVC board. In addition, the elastic sleeve can be deformed elastically, so that PVC boards of different thicknesses can be fed;
[0017] 3. The cold air flow is generated by the cold air blower. The cold air flow flows through the diverter pipe, bellows, and blowing head in sequence, and then blows to the crushing roller. On the one hand, it blows away the crushed residue adsorbed on the crushing roller and the inner wall of the crusher shell. On the other hand, it cools down the crushing roller and PVC material to prevent the PVC material from melting and sticking to the crushing roller during the crushing process. The reciprocating screw is driven by motor 2 to rotate, so that the blowing head moves back and forth along the slide rail, and then the blowing head blows air to different positions on the crusher shell and the crushing roller, that is, while ensuring the strength of the air flow, it avoids the air flow dispersion and the inability to blow away the crushed residue. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural diagram of the utility model;
[0019] Figure 2 This is a schematic structural diagram of the front cross-sectional view of the pulverizer housing and the feeding hopper of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the pulverizer housing and the internal structure of the hopper of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the feeding roller and the crushing roller of the utility model;
[0022] Figure 5 It is a structural diagram of the cleaning mechanism of the utility model.
[0023] In the figure: 1. Crusher housing; 2. Bracket; 3. Crushing roller; 301. Drive shaft; 4. Material guide mechanism; 401. Feeding hopper; 402. Material guide plate; 403. Rotating shaft; 404. Feed roller; 405. Elastic sleeve; 5. Mounting frame; 6. Motor 1; 7. Reducer; 8. Cleaning mechanism; 801. Air cooler; 802. Diverter pipe; 803. Bellows; 804. Blowing head; 805. Slide rail; 806. Reciprocating screw; 807. Motor 2. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0025] See also Figure 1-Figure 5 The utility model provides a technical solution: a PVC plastic recycling and pulverizing device, comprising a pulverizer housing 1, a pulverizing roller 3, a drive shaft 301 fixedly mounted on the inner wall of the pulverizing roller 3, the drive shaft 301 penetrating the inner wall of the pulverizer housing 1 via a bearing, two pulverizing rollers 3 are provided, and the drive shafts 301 in the two pulverizing rollers 3 are connected via a gear transmission, and a material guide mechanism 4 is fixedly mounted on the top of the pulverizer housing 1;
[0026] The material guiding mechanism 4 includes a feeding hopper 401, which is fixedly mounted on the top of the crusher housing 1. The interior of the feeding hopper 401 is communicated with the interior of the crusher housing 1. A guide plate 402 is fixedly mounted on the inner wall of the feeding hopper 401. The inner wall of the feeding hopper 401 is rotatably connected to a rotating shaft 403 through a bearing. The rotating shaft 403 is transmission-connected to the drive shaft 301 through a pulley set. A feeding roller 404 is fixedly mounted on the outer wall of the rotating shaft 403. An elastic sleeve 405 is fixedly mounted on the outer wall of the feeding roller 404. There are two rotating shafts 403, which correspond to the crushing rollers 3 one by one. The PVC board is guided to between the two feeding rollers 404 by the guide plate 402 in the feeding hopper 401, and the PVC board is transported toward the crushing roller 3 by the two rotating feeding rollers 404. When the crushing roller 3 crushes one end of the PVC board, the other end is clamped and limited by the two feeding rollers 404 and cannot be ejected, and the fragments crushed by the crushing roller 3 will also be blocked by the feeding roller 404 when they are ejected. The elastic sleeve 405 is provided to increase the squeezing force on the PVC board so that the feeding roller 404 can rotate to feed the PVC board downward while pressing the PVC board on the crushing roller 3, thereby improving the crushing efficiency of the crushing roller 3 on the PVC board. The elastic deformation characteristic of the elastic sleeve 405 is utilized to enable PVC boards of different thicknesses to be fed. Two guide plates 402 are provided, and are symmetrically distributed front and back about the center of the feeding hopper 401. The bottom ends of the two guide plates 402 are inclined toward the center of the feeding hopper 401 to guide the PVC board to between the two feeding rollers 404.
[0027] A cleaning mechanism 8 is provided inside the feeding hopper 401;
[0028] The thickness of the elastic sleeve 405 is greater than the gap between the two crushing rollers 3. A thicker elastic sleeve 405 is used to feed PVC boards of greater thickness. The spacing between the two elastic sleeves 405 is consistent with the spacing between the two crushing rollers 3.
[0029] A bracket 2 is fixedly mounted on the outer wall of the pulverizer housing 1, a mounting frame 5 is fixedly mounted on the outer wall of the bracket 2, a motor 6 is fixedly mounted on the top of the mounting frame 5, the output end of the motor 6 is connected to a reducer 7, the output end of the reducer 7 is fixedly connected to the left end of the drive shaft 301, and the reducer 7 serves as a power transmission structure between the motor 6 and the drive shaft 301, ensuring that the drive shaft 301 can rotate stably;
[0030] The outer wall of the mounting frame 5 is covered with a shielding shell, and the shielding shell covers the mounting frame 5, motor 1 6, and reducer 7, shielding the mounting frame 5, motor 1 6, and reducer 7 exposed to the outside, making the entire device more beautiful. The front and back of the shielding shell are provided with a switch door for inspecting the motor 1 6 and reducer 7 inside the shielding shell;
[0031] The cleaning mechanism 8 includes a cold air blower 801, a slide rail 805, and a second motor 807. The slide rail 805 is fixedly mounted on the inner wall of the feeding hopper 401, and the slide rail 805 is located below the guide plate 402. The second motor 807 is fixedly mounted on the top of the shielding shell. The output end of the second motor 807 is fixedly mounted with a reciprocating screw 806. The reciprocating screw 806 passes through the outer wall of the feeding hopper 401 through a bearing. The outer wall thread sleeve of the reciprocating screw 806 is provided with a blowing head 804. The top of the blowing head 804 is slidably set in the slide rail 805. The output end of the cold air blower 801 is connected to a shunt pipe 802 through a pipeline. The shunt pipe 802 is fixedly mounted on the outer wall of the feeding hopper 401. The top of the shunt pipe 802 is connected to a bellows 803. The left end of the pipe 803 is connected to the interior of the blowing head 804, and a cold air flow is generated by the cold air blower 801. The cold air flow flows through the diverter pipe 802, the corrugated pipe 803, and the blowing head 804 in sequence, and then blows toward the crushing roller 3. On the one hand, it blows away the crushed residue adsorbed on the crushing roller 3 and the inner wall of the crusher housing 1. On the other hand, it cools down the crushing roller 3 and the PVC material to prevent the PVC material from melting and adhering to the crushing roller 3 during the crushing process. The reciprocating screw rod 806 is driven by the second motor 807 to rotate, so that the blowing head 804 moves back and forth along the slide rail 805, and then the blowing head 804 blows air to different positions on the crusher housing 1 and the crushing roller 3, that is, while ensuring the strength of the air flow, it prevents the air flow from being dispersed and unable to blow away the crushed residue.
[0032] Two slide rails 805 are provided and are symmetrically distributed front to back about the center of the feeding hopper 401. Two reciprocating screw rods 806 are provided and are connected by a pulley group for reciprocating the two blowing heads 804 to blow air from two directions simultaneously.
[0033] The opening of the blowing head 804 is inclined toward the crushing roller 3 , and the length of the slide rail 805 is greater than that of the crushing roller 3 , thereby ensuring a cleaning effect on the crushing roller 3 .
[0034] Working principle: When in use, place the PVC board on the guide plate 402, and then slide it along the guide plate 402 to between the feed rollers 404. The PVC board is transported toward the crushing roller 3 by the rotating feed roller 404. After the PVC board contacts the crushing roller 3, it is crushed by the rotating crushing roller 3. During the crushing process, the PVC board is limited by the feed roller 404 and cannot pop out, and the feed roller 404 continues to push the PVC board toward the crushing roller 3, thereby improving the crushing efficiency. During the crushing process, turn on the cold air blower 801 to introduce cold air into the diversion pipe 802. The air flow flows through the corrugated pipe 803 and the blowing head 804 in turn and then blows toward the crushing roller 3, blowing away the crushed residue remaining on the crushing roller 3 and the inner wall of the crusher shell 1, avoiding the accumulation of a large amount of residue affecting the crushing effect, and cooling the crushing roller 3 and the PVC material to avoid the PVC material melting and sticking to the crushing roller 3 during the crushing process.
[0035] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.
Claims
1. A PVC plastic recycling and pulverizing device, comprising a pulverizer housing (1) and a pulverizing roller (3), characterized in that: A driving shaft (301) is fixedly mounted on the inner wall of the crushing roller (3), and the driving shaft (301) passes through the inner wall of the crusher housing (1) via a bearing. Two crushing rollers (3) are provided, and the driving shafts (301) in the two crushing rollers (3) are connected via gear transmission. A material guide mechanism (4) is fixedly mounted on the top of the crusher housing (1); The material guiding mechanism (4) comprises a feeding hopper (401), the feeding hopper (401) is fixedly mounted on the top of the pulverizer housing (1), the interior of the feeding hopper (401) is communicated with the interior of the pulverizer housing (1), a material guiding plate (402) is fixedly mounted on the inner wall of the feeding hopper (401), a rotating shaft (403) is rotatably connected to the inner wall of the feeding hopper (401) via a bearing, the rotating shaft (403) is transmission-connected to the driving shaft (301) via a pulley set, a feeding roller (404) is fixedly mounted on the outer wall of the rotating shaft (403), an elastic sleeve (405) is fixedly mounted on the outer wall of the feeding roller (404), two rotating shafts (403) are provided, and they correspond one to one to the pulverizing rollers (3); A cleaning mechanism (8) is provided inside the feeding hopper (401).
2. A PVC plastic recycling and crushing device according to claim 1, characterized in that: The thickness of the elastic sleeve (405) is greater than the gap between the two crushing rollers (3), and the distance between the two elastic sleeves (405) is consistent with the distance between the two crushing rollers (3).
3. A PVC plastic recycling and crushing device according to claim 1, characterized in that: A bracket (2) is fixedly mounted on the outer wall of the pulverizer housing (1), a mounting frame (5) is fixedly mounted on the outer wall of the bracket (2), a motor (6) is fixedly mounted on the top of the mounting frame (5), an output end of the motor (6) is transmission-connected to a reducer (7), and the output end of the reducer (7) is fixedly connected to the left end of the drive shaft (301).
4. A PVC plastic recycling and crushing device according to claim 3, characterized in that: The outer wall of the mounting frame (5) is covered with a shielding shell, and the shielding shell covers the mounting frame (5), the motor (6), and the reducer (7), and the front and back sides of the shielding shell are both provided with switch doors.
5. A PVC plastic recycling and crushing device according to claim 1, characterized in that: The cleaning mechanism (8) comprises a cooling fan (801), a slide rail (805), and a second motor (807). The slide rail (805) is fixedly mounted on the inner wall of the feeding hopper (401), and the slide rail (805) is located below the guide plate (402). The second motor (807) is fixedly mounted on the top of the shielding shell. A reciprocating screw (806) is fixedly mounted on the output end of the second motor (807). The reciprocating screw (806) passes through the outer wall of the feeding hopper (401) through a bearing. The outer wall of the reciprocating screw rod (806) is threadedly sleeved with a blowing head (804), the top end of the blowing head (804) is slidably arranged in a slide rail (805), the output end of the cold air machine (801) is connected to a shunt pipe (802) via a pipeline, the shunt pipe (802) is fixedly installed on the outer wall of the feeding hopper (401), the top of the shunt pipe (802) is connected to a bellows (803), and the left end of the bellows (803) is connected to the inside of the blowing head (804).
6. A PVC plastic recycling and pulverizing device according to claim 5, characterized in that: There are two slide rails (805) and they are symmetrically distributed front and back about the center of the feeding hopper (401). There are two reciprocating screw rods (806) and the two reciprocating screw rods (806) are connected by a pulley group.
7. A PVC plastic recycling and pulverizing device according to claim 5, characterized in that: The opening of the blowing head (804) is inclined towards the crushing roller (3), and the length of the slide rail (805) is greater than the length of the crushing roller (3).
8. The PVC plastic recycling and crushing device according to claim 1, characterized in that: Two guide plates (402) are provided and are symmetrically distributed front and back about the center of the feeding hopper (401), and the bottom ends of the two guide plates (402) are inclined toward the center of the feeding hopper (401).