Plastic product recycling and crushing device for renewable resources

Abstract

The invention discloses a recycling and crushing device for plastic products of renewable resources, and belongs to the field of plastic crushing devices.The recycling and crushing device for the plastic products of renewable resources is characterized in that three sieve plate bodies with different sieve pore diameters are connected end to end to form a sieve plate mechanism, and the sieve plate mechanism is directly inserted into switching insertion grooves in the two sides of a crushing box; when the servo motor is started, the sieve plate mechanism can be driven to move back and forth on the crushing box in a reciprocating manner through connection of a gear and a rack, so that the effect of switching sieve plate bodies with different sieve hole diameters at the bottom of the crushing box is achieved; and more importantly, as the fixed blades do not need to be disassembled and assembled, the distance between the cutting edges of the fixed blades and the cutting edges of the movable blades does not need to be adjusted again, and the operation is convenient. The progress of crushing work is prevented from being influenced; and the complexity of mounting work is reduced.

Description

Technical Field

[0001] The invention relates to the field of plastic crushing devices, and more specifically to a plastic product recycling and crushing device for renewable resources. Background Art

[0002] As the world's attention to environmental protection and sustainable use of resources continues to rise, the importance of the renewable resource recycling industry has become increasingly prominent. As a material widely used in modern life, plastic products have a huge amount of waste, which has caused great pressure on the environment, and recycling has become one of the key ways to solve this problem.

[0003] In the process of recycling and processing plastic products, the crushing device plays an extremely important role. Although the existing crushing device has many advantages in use, the inventor found in actual use that the existing plastic crushing device is only equipped with a sieve plate with a sieve hole diameter. If you want to change the particle size of the crushed plastic, you need to stop the crushing device first, and then remove the feeding cover, the connecting box, the fixed blade between the connecting box and the crushing box, and the sieve plate bolts connecting the fixed blade and the sieve plate in turn, so that the sieve plate can be removed, and then the sieve plate can be taken out from the top of the crushing box to avoid the support rod at the bottom of the crushing box and replaced. Only then can the particle size of the crushed plastic in the later stage be changed. Such a sieve plate replacement method not only requires the crushing device to stop operation and affect the continuity of the operation, but also the replacement is cumbersome. At the same time, it is very important that after the fixed blade is reinstalled back to its original position, the distance between the fixed blade and the moving blade edge needs to be readjusted, which seriously affects the progress of the crushing work and increases the complexity of the installation work. Therefore, we propose a recycled plastic product recycling crushing device to solve the above-mentioned problems. Summary of the invention

[0004] 1. Technical issues to be solved In view of the problems existing in the prior art, the purpose of the present invention is to provide a plastic product recycling and crushing device for renewable resources, which connects three sieve plate bodies with different sieve hole diameters end to end to form a sieve plate mechanism, which is directly inserted into the switching slots on both sides of the crushing box, and a rack is installed on the sieve plate body and a servo motor is installed on the crushing box. The rack is directly meshed with the gear of the servo motor, so that when the servo motor is started, the sieve plate mechanism can be driven to move back and forth on the crushing box through the connection of the gear and the rack, thereby achieving the effect of switching the sieve plate bodies with different sieve hole diameters at the bottom of the crushing box, making it more convenient to replace the sieve plate bodies with different sieve hole diameters. The replacement process does not require the crushing device to be shut down, thereby improving the continuity of the crushing operation, and does not require the feeding cover, the connecting box, and the fixed blade between the connecting box and the crushing box to be disassembled and assembled, thereby reducing the workload associated with the replacement of the sieve plate body. More importantly, since the fixed blade does not need to be disassembled and assembled, there is no need to readjust the distance between the fixed blade and the moving blade edge, thereby avoiding affecting the progress of the crushing work and reducing the complexity of the installation work.

[0005] 2. Technical solution

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] A recycling and crushing device for plastic products of renewable resources, comprising a feeding cover, a connecting box and a crushing box, wherein the feeding cover, the connecting box and the crushing box are fixedly installed by bolts, a bracket is also fixedly installed at the bottom of the crushing box by bolts, and a driving motor is fixedly installed on one side of the top of the bracket; The crushing box is provided with switching slots of the same structure on both sides, a sieve plate mechanism is arranged inside the switching slot, the sieve plate mechanism includes three sieve plate bodies of the same structure, and the diameters of the sieve holes on the three sieve plate bodies are all different, the sieve plate body includes an arc segment and two parallel segments, the switching slot includes an arc segment groove and two parallel groove segments, two ends of one of the sieve plate bodies are plugged into the crushing box through two switching slots, a number of ear pieces are fixedly welded on both sides of the arc segment, the ear pieces corresponding to the two sieve plate bodies are fixedly installed by bolts, and avoidance ear holes are provided on the arc segment groove at the positions corresponding to the ear pieces; Two connecting plate parts are arranged on the crushing box at the positions corresponding to the parallel groove sections, and the bottom surfaces of the two connecting plate parts are in contact with the top surfaces of the two parallel sections on the corresponding sieve plate body, and the bottom surfaces of the two parallel sections on the sieve plate body are fixedly installed with racks, and servo motors are fixedly installed with U-shaped frames on the other two sides of the crushing box, and a gear is fixedly installed on the driving shaft on one side of the servo motor, and the top of the gear is meshed with the bottom of the corresponding rack, and an avoidance opening is opened at the bottom of the parallel groove section at the position corresponding to the rack.

[0008] Furthermore, a main rotating shaft is arranged inside the connecting box, and both ends of the main rotating shaft pass through the outside of the connecting box, and both ends of the main rotating shaft located outside the connecting box are rotatably connected with an axle seat, and the bottoms of the two axle seats are fixedly installed with side seats, and one side of the two side seats are respectively fixedly welded to the two sides of the outer wall of the crushing box.

[0009] Furthermore, three triangular connectors are fixedly mounted on the main shaft inside the connecting box, and three moving blades are fixedly mounted between the three triangular connectors. Fixed blades are fixedly mounted on the top surfaces of the two connecting plate portions on the crushing box by screws, and the cutting edges of the fixed blades do not contact the cutting edges of the corresponding moving blades.

[0010] Furthermore, shaft seat 2 and shaft seat 3 are fixedly installed on the outer wall of the connecting box, and shaft seat 2 and shaft seat 3 are rotatably connected inside shaft seat 2 and shaft seat 3, sprocket 1 and sprocket 2 are fixedly installed on shaft 2, sprocket 3 and pulley 1 are fixedly installed on shaft 3, sprocket 4 is fixedly installed on one end of the main rotating shaft, sprocket 1 and sprocket 4 are connected by chain 1, and sprocket 2 and sprocket 3 are connected by chain 2.

[0011] Furthermore, a second pulley is fixedly mounted on the end of the driving shaft on one side of the driving motor, and the first pulley and the second pulley are connected by a belt.

[0012] Furthermore, a wear-resistant sealing strip is fixedly attached to the inner wall of the arc segment groove, and the inner wall of the arc segment groove is in contact with the outer surface of the arc segment through the wear-resistant sealing strip.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present invention are: (1) In this scheme, three sieve plate bodies with different sieve hole diameters are connected end to end to form a sieve plate mechanism. The sieve plate mechanism is directly inserted into the switching slots on both sides of the crushing box, and a rack is installed on the sieve plate body and a servo motor is installed on the crushing box. The rack is directly meshed with the gear of the servo motor, so that when the servo motor is started, the sieve plate mechanism can be driven to move back and forth on the crushing box through the connection between the gear and the rack, thereby achieving the effect of switching the sieve plate bodies with different sieve hole diameters at the bottom of the crushing box, making it more convenient to replace the sieve plate bodies with different sieve hole diameters. The replacement process does not require the crushing device to be shut down, thereby improving the continuity of the crushing operation, and does not require the feeding cover, the connecting box, and the fixed blade between the connecting box and the crushing box to be disassembled and assembled, thereby reducing the workload associated with the replacement of the sieve plate body. More importantly, since the fixed blade does not need to be disassembled and assembled, there is no need to readjust the distance between the fixed blade and the moving blade edge, thereby avoiding affecting the progress of the crushing work and reducing the complexity of the installation work; (2) In this solution, three sieve plate bodies with the same structure on the sieve plate mechanism are fixed and installed by ear pieces and bolts, so that the sieve plate mechanism has a modular installation structure, which is convenient for disassembly and assembly of sieve plate bodies with different sieve hole diameters, thereby improving the convenience and practicality of the use of the sieve plate mechanism; (3) In this solution, the pulley 2 of the driving motor is connected to the sprocket 4 of the main shaft through a belt, a chain 2 and a chain 1. This structure can provide power support for the main shaft while avoiding the moving direction of the screen plate mechanism, preventing the screen plate mechanism from contacting and interfering with the rapidly rotating belt when moving, thereby avoiding safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Schematic diagram of the structure of the middle part of the area; Figure 3 This is a schematic diagram of the main rotating shaft installation structure on the top of the crushing box of the present invention; Figure 4 For the present invention Figure 3 Schematic diagram of the structure of the middle part of the area; Figure 5 It is a schematic diagram of the separation structure of the sieve plate mechanism of the present invention; Figure 6 It is a schematic diagram of the structure of the crushing box of the present invention; Figure 7 It is a schematic diagram of the disassembled structure of the sieve plate mechanism of the present invention; Figure 8 It is a schematic diagram of the back structure of the sieve plate body of the present invention.

[0016] Description of the numbers in the figure: 1. Feeding cover; 2. Connection box; 3. Crushing box; 301. Connection plate; 4. Bracket; 5. Driving motor; 501. Pulley 2; 6. Switching slot; 601. Arc segment slot; 6011. Avoiding ear hole; 602. Parallel slot segment; 6021. Avoiding strip opening; 7. Screen plate mechanism; 701. Screen plate body; 7011. Arc section; 7012. Parallel section; 7013. Ear piece; 7014. Rack; 8. Servo motor; 801. Gear; 9. Main shaft; 901. Sprocket four; 10. Shaft seat one; 11. Triangular connector; 12. Moving blade; 13. Fixed blade; 14. Shaft seat two; 1401. Sprocket one; 1402. Sprocket two; 15. Shaft seat three; 1501. Sprocket three; 1502. Pulley one; 16. Chain one; 17. Chain two; 18. Belt. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the specification of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0018] Embodiment 1:

[0019] See also Figure 4-Figure 8 A recycling and crushing device for plastic products of renewable resources, comprising a feeding cover 1, a connecting box 2 and a crushing box 3, wherein the feeding cover 1, the connecting box 2 and the crushing box 3 are fixedly installed by bolts, a bracket 4 is also fixedly installed at the bottom of the crushing box 3 by bolts, and a driving motor 5 is fixedly installed on one side of the top of the bracket 4; Switching slots 6 of the same structure are provided on both sides of the crushing box 3, and a sieve plate mechanism 7 is arranged inside the switching slot 6. The sieve plate mechanism 7 includes three sieve plate bodies 701 of the same structure, and the diameters of the sieve holes on the three sieve plate bodies 701 are all different. The sieve plate body 701 includes an arc segment 7011 and two parallel segments 7012. The switching slot 6 includes an arc segment groove 601 and two parallel groove segments 602. Two ends of one sieve plate body 701 are plugged into the crushing box 3 through two switching slots 6. A plurality of ear pieces 7013 are fixedly welded on both sides of the arc segment 7011. The ear pieces 7013 corresponding to the two sieve plate bodies 701 are fixedly installed by bolts, and avoidance ear holes 6011 are provided on the arc segment groove 601 at the position of the corresponding ear piece 7013. Two connecting plate portions 301 are provided on the crushing box 3 at the position of the corresponding parallel groove section 602, and the bottom surfaces of the two connecting plate portions 301 are in contact with the top surfaces of the two parallel sections 7012 on the corresponding sieve plate body 701, and the bottom surfaces of the two parallel sections 7012 on the sieve plate body 701 are fixedly installed with racks 7014. The other two sides of the crushing box 3 are fixedly installed with servo motors 8 through U-shaped frames, and a gear 801 is fixedly installed on the driving shaft on one side of the servo motor 8. The top of the gear 801 is meshed with the bottom of the corresponding rack 7014, and an avoidance opening 6021 is opened at the bottom of the parallel groove section 602 at the position of the corresponding rack 7014.

[0020] (I) The sieve plate body switching principle of this type of recycled plastic product recycling and crushing device is: In the process of crushing plastic products by this crushing device, if it is necessary to change the particle size of the crushed plastic products, it is only necessary to start the servo motors 8 on both sides of the crushing box 3, so that the two servo motors 8 respectively drive the corresponding gears 801 to rotate, and synchronously drive the corresponding racks 7014 on the sieve plate mechanism 7 from both sides of the crushing box 3 to move, so that the three sieve plate bodies 701 on the sieve plate mechanism 7 are connected through two switching slots 6 and switch back and forth inside the crushing box 3 until the particle size of the plastic products dropped from the sieve holes on one of the sieve plate bodies 701 meets the required requirements, then the two servo motors 8 can be stopped, and the crushing operation is completed; During the process of the sieve plate mechanism 7 moving inside the switching slot 6 and switching the sieve plate bodies 701 with different sieve hole diameters, there is no need to stop the crushing device for operation, and there is no need to disassemble any parts, thereby improving the continuity of the crushing operation and the convenience of switching the sieve plate bodies 701. In addition, during the switching of the sieve plate bodies 701, the avoidance ear holes 6011 and the avoidance strip openings 6021 can just avoid the ear pieces 7013 and the racks 7014 on each sieve plate body 701, thereby avoiding interference when the sieve plate body 701 moves. At the same time, the three sieve plate bodies 701 with the same structure on the sieve plate mechanism 7 are fixedly installed by ear pieces 7013 and bolts, so that the sieve plate mechanism 7 has a modular installation structure, which is convenient for disassembly and assembly of the sieve plate bodies 701 with different sieve hole diameters, thereby improving the convenience and practicality of using the sieve plate mechanism 7.

[0021] Embodiment 2:

[0022] In view of the above embodiment 1, for further description, refer to Figure 1-Figure 4 A main rotating shaft 9 is arranged inside the connecting box 2, and both ends of the main rotating shaft 9 pass through the outside of the connecting box 2. Both ends of the main rotating shaft 9 located outside the connecting box 2 are rotatably connected with a shaft seat 10, and the bottoms of the two shaft seats 10 are fixedly installed with side seats, and one side of the two side seats is fixedly welded to both sides of the outer wall of the crushing box 3; Three triangular connectors 11 are fixedly mounted on the main rotating shaft 9 inside the connecting box 2, and three movable blades 12 are fixedly mounted between the three triangular connectors 11. Fixed blades 13 are fixedly mounted on the top surfaces of the two connecting plate portions 301 on the crushing box 3 by screws, and the cutting edges of the fixed blades 13 do not contact the cutting edges of the corresponding movable blades 12. A shaft seat 2 14 and a shaft seat 3 15 are fixedly mounted on the outer wall of the connecting box 2, and a shaft seat 2 14 and a shaft seat 3 15 are rotatably connected with a rotating shaft 2 and a rotating shaft 3 inside. A sprocket 1 1401 and a sprocket 2 1402 are fixedly mounted on the rotating shaft 2, a sprocket 3 1501 and a pulley 1 1502 are fixedly mounted on the rotating shaft 3, a sprocket 4 901 is fixedly mounted on one end of the main rotating shaft 9, the sprocket 1 1401 and the sprocket 4 901 are connected by a chain 16, and the sprocket 2 1402 and the sprocket 3 1501 are connected by a chain 2 17; A second pulley 501 is fixedly mounted on the end of the driving shaft on one side of the driving motor 5 , and the first pulley 1502 and the second pulley 501 are connected via a belt 18 .

[0023] (II) The crushing principle of the plastic product recycling crushing device of this type of renewable resources is: First, the driving motor 5 drives the rotating shaft 3 to rotate through the connection of the pulley 2 501, the belt 18 and the pulley 1 1502, and then the rotating shaft 3 drives the rotating shaft 2 to rotate through the connection of the sprocket 3 1501, the chain 2 17 and the sprocket 2 1402, and then the rotating shaft 2 drives the main rotating shaft 9 to rotate through the connection of the sprocket 1 1401, the chain 1 16 and the sprocket 4 901, at this time, the main rotating shaft 9 can drive the three triangular connecting members 11 and the three moving blades 12 to rotate between the connecting box 2 and the crushing box 3; When the plastic product is put in through the opening of the feeding cover 1, it will fall through the inside of the connecting box 2 to the top of the crushing box 3 and contact the rapidly rotating moving blade 12. At this time, the plastic product is brought between the moving blade 12 and the fixed blade 13 on one side of the crushing box 3 as the moving blade 12 rotates, and is cut by the blade edges of the moving blade 12 and the fixed blade 13. The cut plastic product particles fall into the upper surface of the sieve plate body 701. If the particle size of the plastic product particles is smaller than the sieve hole diameter of the sieve plate body 701 at this time, the plastic product particles pass through the sieve hole and fall from the opening at the bottom of the crushing box 3. If the particle size of the plastic product particles is larger than the sieve hole diameter of the sieve plate body 701 at this time, the plastic product particles cannot pass through the sieve hole at this time, and the plastic product particles continue to be driven by the blade 12 at the top of the sieve plate body 701. The blade 12 fluctuates in the rotation direction, and is cut again by the blade edge when it reaches between the moving blade 12 and the fixed blade 13 on the other side of the crushing box 3, and so on and so forth until all the plastic products are completely crushed and fall from the opening at the bottom of the crushing box 3, at which time the crushing work is completed; During the process, the pulley 2 501 of the driving motor 5 is finally connected to the sprocket 4 901 of the main shaft 9 through the belt 18, the chain 2 17 and the chain 1 16. The structural design can provide power support for the main shaft 9 while avoiding the moving direction of the screen plate mechanism 7, avoiding the contact and interference between the screen plate mechanism 7 and the rapidly rotating belt 18 when moving, thereby avoiding safety accidents.

[0024] Embodiment 3:

[0025] In view of the above-mentioned embodiment 1 and embodiment 2, for further description, refer to Figure 1-Figure 8 A wear-resistant sealing strip is fixedly attached to the inner wall of the arc segment groove 601, and the inner wall of the arc segment groove 601 contacts the outer surface of the arc segment 7011 through the wear-resistant sealing strip.

[0026] A wear-resistant sealing strip is fixedly attached to the inner wall of the arc segment groove 601, which can improve the sealing performance of the contact between the outer surface of the arc segment 7011 of the inner wall of the arc segment groove 601 and the sieve plate body 701 to prevent leakage, and also does not interfere with the normal movement of the sieve plate body 701. The structural design of the arc segment groove 601 and the two parallel groove segments 602 of the switching slot 6 can just meet the connection between the arc segment 7011 and the two parallel segments 7012 of the sieve plate body 701. The avoidance ear holes 6011 and the avoidance strip openings 6021 can just avoid the ear pieces 7013 and racks 7014 on each sieve plate body 701 to avoid interference when the sieve plate body 701 moves.

[0027] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A recycling and crushing device for plastic products of renewable resources, comprising a feeding cover (1), a connecting box (2) and a crushing box (3), characterized in that: The feeding cover (1), the connecting box (2) and the crushing box (3) are fixedly mounted by bolts, a bracket (4) is also fixedly mounted on the bottom of the crushing box (3) by bolts, and a driving motor (5) is fixedly mounted on one side of the top of the bracket (4); The crushing box (3) is provided with switch slots (6) of the same structure on both sides, and a sieve plate mechanism (7) is arranged inside the switch slot (6). The sieve plate mechanism (7) comprises three sieve plate bodies (701) of the same structure, and the diameters of the sieve holes on the three sieve plate bodies (701) are all different. The sieve plate body (701) comprises an arc segment (7011) and two parallel segments (7012). The switch slot (6) comprises an arc segment groove (601) and two parallel groove segments (602). Two ends of one of the sieve plate bodies (701) are plugged into the crushing box (3) through two switch slots (6). A plurality of ear pieces (7013) are fixedly welded on both sides of the arc segment (7011). The ear pieces (7013) corresponding to the two sieve plate bodies (701) are fixedly installed by bolts, and an avoidance ear hole (6011) is provided on the arc segment groove (601) at the position corresponding to the ear piece (7013). Two connecting plate portions (301) are arranged on the crushing box (3) at the position corresponding to the parallel groove section (602), the bottom surfaces of the two connecting plate portions (301) are in contact with the top surfaces of the two parallel sections (7012) on the corresponding sieve plate body (701), the bottom surfaces of the two parallel sections (7012) on the sieve plate body (701) are fixedly mounted with racks (7014), the other two sides of the crushing box (3) are fixedly mounted with servo motors (8) via U-shaped frames, a gear (801) is fixedly mounted on the driving shaft on one side of the servo motor (8), the top of the gear (801) is meshed with the bottom of the corresponding rack (7014), and an avoidance opening (6021) is opened at the bottom of the parallel groove section (602) at the position corresponding to the rack (7014).

2. The recycling and crushing device for plastic products of renewable resources according to claim 1 is characterized by: A main rotating shaft (9) is arranged inside the connection box (2), and both ends of the main rotating shaft (9) extend through the outside of the connection box (2). Both ends of the main rotating shaft (9) located outside the connection box (2) are rotatably connected to a shaft seat (10), and side seats are fixedly installed at the bottom of the two shaft seats (10), and one side of the two side seats is fixedly welded to both sides of the outer wall of the crushing box (3).

3. The recycling and crushing device for plastic products of renewable resources according to claim 2 is characterized by: Three triangular connecting members (11) are fixedly mounted on the main rotating shaft (9) located inside the connecting box (2), and three movable blades (12) are fixedly mounted between the three triangular connecting members (11). Fixed blades (13) are fixedly mounted on the top surfaces of the two connecting plate portions (301) located on the crushing box (3) by screws, and the cutting edges of the fixed blades (13) do not contact the cutting edges of the corresponding movable blades (12).

4. The recycling and crushing device for plastic products of renewable resources according to claim 3 is characterized by: Axle seat 2 (14) and axle seat 3 (15) are fixedly mounted on the outer wall of the connection box (2); shaft seat 2 (14) and shaft seat 3 (15) are internally rotatably connected with shaft 2 and shaft 3; sprocket 1 (1401) and sprocket 2 (1402) are fixedly mounted on shaft 2; sprocket 3 (1501) and pulley 1 (1502) are fixedly mounted on shaft 3; sprocket 4 (901) is fixedly mounted on one end of the main shaft (9); sprocket 1 (1401) and sprocket 4 (901) are connected via chain 1 (16); sprocket 2 (1402) and sprocket 3 (1501) are connected via chain 2 (17).

5. The recycling and crushing device for plastic products of renewable resources according to claim 4 is characterized by: A second pulley (501) is fixedly mounted on the end of the drive shaft on one side of the drive motor (5), and the first pulley (1502) and the second pulley (501) are connected via a belt (18).

6. The recycling and crushing device for plastic products of renewable resources according to claim 1 is characterized by: A wear-resistant sealing strip is fixedly adhered to the inner wall of the arc segment groove (601), and the inner wall of the arc segment groove (601) is in contact with the outer surface of the arc segment (7011) through the wear-resistant sealing strip.

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