Automatic feeding device of plastic crusher

Abstract

The invention belongs to the technical field of feeding devices, and discloses an automatic feeding device of a plastic crusher, which comprises a feeding frame, a lifting frame arranged in the feeding frame in a sliding manner, a sliding seat arranged on the lifting frame in a sliding manner, a lifting mechanism arranged on the feeding frame, and a positioning and conveying mechanism arranged on the sliding seat, two symmetrically-arranged first clamping plates are slidably arranged on the sliding seat, two symmetrically-arranged second clamping plates are slidably arranged on the sliding seat, and the positioning conveying mechanism is used for driving the sliding seat to move out of the feeding frame from the interior of the feeding frame when the lifting frame ascends and driving the sliding seat to move into the feeding frame from the exterior of the feeding frame when the lifting frame descends. By arranging the lifting frame, the sliding seat, the first clamping plate, the second clamping plate, the lifting mechanism and the positioning conveying mechanism, the situation that in the prior art, a tray needs to be manually put in is avoided, time and labor are saved, meanwhile, the probability that the tray falls off from the hand of a worker is reduced, and safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of feeding devices, in particular to an automatic feeding device for a plastic crusher. Background Art

[0002] Plastic pallets are difficult to degrade naturally, and their careless disposal can cause soil and water pollution, and even affect human health through the ecological chain. Recycling can reduce the damage caused by plastic waste to the environment. For example, resource recycling can be achieved through processes such as crushing, cleaning, and melting. When crushing plastic pallets, the entire pallet must be placed into the feed port of the crushing machine.

[0003] In the prior art, when feeding pallets, the pallet is manually put into the feed port of the crusher. However, the distance between the feed port of the crusher and the ground is high, and the staff is required to lift the pallet and then put the pallet into the feed port. On the one hand, the staff continues to hold the pallet, which is labor-intensive, time-consuming and labor-intensive. On the other hand, during the manual feeding process, since the pallet has a certain weight, if the operation is wrong or the pallet accidentally slips from the hand, the staff may be easily injured, which reduces the safety. Summary of the Invention

[0004] In order to solve the above problems, the present invention provides an automatic feeding device for a plastic crusher.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: an automatic feeding device for a plastic crusher, comprising a feeding rack, a lifting rack slidably arranged in the feeding rack, a sliding seat slidably arranged on the lifting rack, a lifting mechanism arranged on the feeding rack, and a positioning and conveying mechanism arranged on the sliding seat; two symmetrically arranged first clamping plates are slidably arranged on the sliding seat, and two symmetrically arranged second clamping plates are slidably arranged on the sliding seat, and the positioning and conveying mechanism is used to drive the sliding seat from the inside of the feeding rack to the outside of the feeding rack when the lifting rack rises and to drive the sliding seat from the outside of the feeding rack to the inside of the feeding rack when the lifting rack descends; the positioning and conveying mechanism is also used to drive the two first clamping plates and the two second clamping plates to approach or move away from each other.

[0006] By adopting the above technical solution, the tray to be crushed is first placed in the feeding rack, and then the lifting rack is driven down by the lifting mechanism. During this process, the positioning and conveying mechanism drives the sliding seat to move from the outside of the feeding rack to the inside of the feeding rack until the tray is between the two second clamping plates and the two first clamping plates. At this time, the two first clamping plates and the two second clamping plates are driven to approach each other and clamp the tray. Then, the lifting mechanism is driven to rise, and the positioning and conveying mechanism drives the sliding seat to move from the feeding rack to the outside of the feeding rack until the tray is above the feed port of the crusher. At this time, the two first clamping plates and the two second clamping plates are driven to move away from each other by the positioning and conveying mechanism and the tray is released. The tray will enter the crusher from the feed port of the crusher and be crushed. Repeating the above actions can continuously feed the tray, eliminating the need for manual lifting and input of the tray in the prior art, which is relatively time-saving and labor-saving, while reducing the probability of it falling from the hands of the staff and improving safety.

[0007] The cam is fixed to the first sliding groove and the second sliding groove is fixed to the second sliding groove, and the cam is fixed to the second sliding groove and the second sliding groove, and the cam is fixed to the second sliding groove and the second sliding groove, and the cam is fixed to the first sliding groove and the second sliding groove, and the cam is fixed to the second sliding groove and the second sliding groove, and the cam is fixed to the first sliding groove and the second sliding groove. The positioning and conveying mechanism also includes a displacement component, which includes an adjustment plate rotatably mounted on the top of the sliding seat, a gear ring fixedly mounted on the adjustment plate, a mounting shell fixed on the top of the sliding seat, a mobile motor fixed on the mounting shell, and a first gear fixedly mounted on the output end of the mobile motor and meshing with the gear ring. Four adjustment slots are provided on the adjustment plate, all of which are eccentrically arranged with the adjustment plate, two of which are respectively slidably engaged with the corresponding first rotating shaft, and the other two are respectively slidably engaged with the corresponding second rotating shaft.

[0008] By adopting the above technical solution, when the tray is located between the two first clamping plates and the two second clamping plates, the mobile motor operates and drives the first gear to rotate, thereby causing the ring gear meshing with the first gear and the adjustment plate connected to the ring gear to rotate. Since the four adjustment slots are eccentrically arranged with the adjustment plate, the two first rotating shafts and the second rotating shaft are slidably matched with the corresponding adjustment slots, thereby causing the two first rotating shafts, the two second rotating shafts, the first slides respectively connected to the two first rotating shafts, the first clamping plates respectively connected to the two first slides, the second slides respectively connected to the two second rotating shafts, and the second clamping plates respectively connected to the two second slides to move closer to each other, thereby achieving the purpose of the two first clamping plates and the two second clamping plates clamping the tray. Similarly, when the mobile motor operates and drives the first gear to rotate in the opposite direction, the purpose of loosening the tray can be achieved.

[0009] Furthermore, the positioning and conveying mechanism also includes a moving component, which is provided with two groups and is symmetrically arranged about the middle of the feeding rack. The moving component includes a slide rail provided on the lifting frame and slidingly engaged with the sliding seat, a rotating column rotatably installed on the sliding seat, and a protective plate fixed on the feeding rack. An adjustment through hole is provided on the protective plate and slidingly engaged with the rotating column. The adjustment through hole is formed by connecting a vertical hole and a circular arc hole end to end.

[0010] By adopting the above technical solution, during the process of the lifting frame descending, the sliding seats slidably connected to the lifting frame are all lowered. During this process, the rotating column slides along the adjusting through hole, and the rotating column moves toward the feeding rack, realizing the lifting and lowering of the sliding seat while driving the sliding seat to move horizontally, saving time during the feeding process of the device.

[0011] Furthermore, the lifting mechanism includes a lifting assembly, which includes an active rod rotatably mounted on the top of the feeding rack, a main sprocket fixedly sleeved on the active rod, a driven rod rotatably mounted on the feeding rack near its bottom, a slave sprocket fixedly sleeved on the driven rod, and a chain for connecting the slave sprocket and the main sprocket, the chain is engaged with the main sprocket and the slave sprocket, and the slave sprocket is connected to the lifting rack; The lifting mechanism also includes a rotating assembly, which includes a transmission rod rotatably mounted on the feeding rack, a first main synchronous wheel fixedly mounted on the transmission rod, a first slave synchronous wheel fixedly mounted on the active rod, a first synchronous belt meshed with the first slave synchronous wheel and the first main synchronous wheel, and a lifting motor arranged on the feeding rack and used to drive the transmission rod to rotate.

[0012] By adopting the above technical solution, after the lifting motor is in operation, it drives the transmission rod to rotate, thereby causing the first main synchronous wheel fixed to the transmission rod, the first synchronous belt engaged with the first main synchronous wheel, the first slave synchronous wheel engaged with the first synchronous belt, the active rod fixed to the first slave synchronous wheel, the chain engaged with the active rod, the slave sprocket engaged with the chain, and the driven rod fixed to the slave sprocket to rotate. Since the lifting frame is connected to the chain, the lifting frame can be raised and lowered according to the direction of chain rotation.

[0013] Furthermore, a conveying mechanism is provided on the feeding rack, and the conveying mechanism includes a conveying assembly, and the conveying assembly includes a conveying rack fixed in the feeding rack, a plurality of second synchronous wheels rotatably installed in the conveying rack, a second synchronous belt that is meshed with the plurality of second synchronous wheels, and a conveying motor provided on the feeding rack and driving the second synchronous wheels to rotate.

[0014] By adopting the above technical solution, multiple plastic pallets to be crushed are stacked on top of the second synchronous belt. After the conveying motor works, it drives the second synchronous wheel to rotate, thereby rotating the second synchronous belt engaged with the second synchronous wheel, and transporting the pallets to be crushed to the feeding rack for the feeding work of the device.

[0015] Furthermore, the conveying mechanism also includes a loading assembly, which includes a U-shaped loading rack rotatably mounted on the conveying rack, a fixed baffle fixed on the horizontal section of the loading rack, a sliding baffle slidably arranged on the horizontal section of the loading rack, and an electric hydraulic push rod rotatably mounted in the conveying rack, and the push rod end of the electric hydraulic push rod is connected to the rotation of the loading rack.

[0016] By adopting the above technical solution, multiple pallets are placed one by one on the horizontal section of the loading rack and located between the fixed baffle and the sliding baffle. Then the electric hydraulic push rod works to extend the push rod end, thereby driving the loading rack to rotate until the loading rack is in a vertical state. Then the stacked pallets are pushed to the top of the rotating second synchronous belt to facilitate the stacking of the pallets.

[0017] Furthermore, a limiting slide groove is provided on the loading rack, and the conveying mechanism also includes a sorting component, which includes a reciprocating screw rotatably installed in the limiting slide groove, a connecting slider slidably connected in the limiting slide groove and threadedly connected to the reciprocating screw, a fixed plate fixed on the conveying rack, and a second gear fixedly sleeved on the reciprocating screw, an arc slide hole is penetrated by the fixed plate for the second gear to penetrate, and a gear groove engaged with the second gear is provided on the inner wall of the arc slide hole, and the connecting slider is fixed to the sliding baffle.

[0018] By adopting the above technical solution, during the flipping of the loading rack, the reciprocating screw connected to the loading rack and the second gear connected to the reciprocating screw are rotated. Under the action of the gear groove, the second gear and the reciprocating screw connected to the second gear are rotated. During this process, the connecting slider threadedly connected to the reciprocating screw and the sliding baffle connected to the connecting slider first move close to the stacked pallets and then move away from the pallets and reset. The sliding baffle and the fixed baffle cooperate with each other to align the stacked pallets, thereby reducing the probability of the pallet slipping when the pallet is transported to the second synchronous belt and when the reciprocating screw transports the pallet.

[0019] Furthermore, a clamping assembly is provided on the loading rack, and the clamping assembly includes a cylinder fixed on the side plate of the loading rack away from the conveying rack and a clamping plate fixed on the end of the piston push rod of the cylinder.

[0020] By adopting the above technical solution, during the flipping of the loading rack, the cylinder works and extends the end of its piston rod, thereby driving the clamping plate connected to the push rod end of the cylinder to move toward the pallet, and finally the clamping plate fits with the pallet, thereby improving the stability of the pallet during flipping.

[0021] Furthermore, a mounting groove is provided on the horizontal section of the loading rack, and a pushing assembly is provided on the loading rack, and the pushing assembly includes a pushing plate plugged into the mounting groove, a threaded column passing through the bottom of the loading rack and threadedly connected, and the upper end of the threaded column is rotatably connected to the bottom of the pushing plate, and the pushing assembly also includes a sliding column passing through the bottom of the loading rack and slidingly fitted, a rotating wheel fixed on the threaded column, and a plurality of rollers rotatably mounted on the side panel of the loading rack close to the conveying rack, and the sliding column is fixed to the pushing plate.

[0022] By adopting the above technical solution, after the loading rack is flipped 90 degrees, the threaded stud is rotated. Due to the rotational connection between the push plate and the threaded stud, the threaded stud is threadedly connected to the loading rack, the sliding stud is fixed to the push plate, and the sliding stud and the loading rack slide together, the push plate moves toward the moving mounting slot and pushes the stacked pallets onto the second synchronous belt. Once the pallets are transported to the second synchronous belt, the threaded stud is rotated in the opposite direction, causing the push plate to move toward the mounting slot and reset, facilitating the transport of the pallets onto the second synchronous belt. In addition, during the process of being transported to the second synchronous belt, the pallets move along the rollers, reducing friction between the pallets and the loading rack during transport.

[0023] The cam is adapted to engage with the second guide rail when the second guide rail is in engagement with the first slide, and the cam is adapted to engage with the second guide rail when the second guide rail is in engagement with the first slide.

[0024] By adopting the above technical solution, a tool (such as a square wrench) is passed through the operating through hole and clamped into the sliding block. At this time, the threaded rod is rotated, and under the limit of the connecting rod, the other threaded rod is driven to rotate synchronously. Since the rotation directions of the thread grooves on the two threaded rods are opposite and the pitches are equal, the two sliding blocks and the two second clamps are brought close to each other until the initial distance between the two second clamps and the two first clamps is equal, and the square pallet can be clamped.

[0025] In summary, the present invention has the following beneficial effects: 1. In this application, by providing a lifting frame, a sliding seat, a first clamping plate, a second clamping plate, a lifting mechanism, and a positioning and transporting mechanism, the manual insertion of the pallet as in the prior art is eliminated, which saves time and effort, and at the same time reduces the probability of the pallet falling from the hands of the staff, thereby improving safety. 2. In this application, by setting up a conveying mechanism, the stacking and conveying of pallets are facilitated, which is convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 1 is a schematic diagram of the overall structure of an embodiment of the present invention; Figure 2 This is a cross-sectional schematic diagram of an embodiment of the present invention used to highlight the connection structure between the conveyor rack and the feeding rack; Figure 3 This is a schematic diagram for highlighting the internal structure of the feeding rack according to an embodiment of the present invention; Figure 4 is a schematic diagram for highlighting the internal structure of the mounting housing according to an embodiment of the present invention; Figure 5 is a schematic diagram for highlighting the connection structure between the first sliding seat and the first sliding rod according to an embodiment of the present invention; Figure 6 is a cross-sectional schematic diagram for highlighting the connection structure between the second clamping plate and the second slide seat according to an embodiment of the present invention; Figure 7 is a cross-sectional schematic diagram for highlighting the connection structure between the first clamping plate and the first sliding seat according to an embodiment of the present invention; Figure 8 This is a schematic diagram of an embodiment of the present invention used to highlight the connection structure between the electric hydraulic push rod and the conveyor frame; Figure 9 This is a schematic diagram of an embodiment of the present invention used to highlight the connection structure between the cylinder and the abutment plate; Figure 10 yes Figure 1 A magnified schematic diagram of point A in the middle; Figure 11 yes Figure 9 Enlarged schematic diagram of point B in the middle.

[0027] In the figure: 1, feeding rack; 2, lifting rack; 3, sliding seat; 4, first clamping plate; 5, second clamping plate; 6, lifting mechanism; 61, lifting assembly; 611, active rod; 612, main sprocket; 613, driven rod; 614, slave sprocket; 615, chain; 62, rotating assembly; 621, transmission rod; 622, first main synchronous wheel; 623, first slave synchronous wheel; 624, first synchronous belt; 625, lifting motor; 7, positioning and conveying mechanism; 7 1. Limiting assembly; 711. First slide; 712. First slide bar; 713. Second slide; 714. Second slide bar; 715. First rotating shaft; 716. Second rotating shaft; 72. Displacement assembly; 721. Adjustment plate; 722. Ring gear; 723. Mounting housing; 724. Moving motor; 725. First gear; 73. Moving assembly; 731. Slide rail; 732. Rotating column; 733. Protective plate; 8. First chute; 9. Second chute; 1 0. Adjustment slot; 11. Adjustment hole; 12. Conveying mechanism; 121. Conveying assembly; 1211. Conveying rack; 1212. Second synchronous wheel; 1213. Second synchronous belt; 1214. Conveying motor; 122. Loading assembly; 1221. Loading rack; 1222. Fixed baffle; 1223. Sliding baffle; 1224. Electric hydraulic push rod; 123. Arrangement assembly; 1231. Reciprocating screw; 1232. Connecting slider; 1233. Fixed plate; 1234, second gear; 1235, arc sliding hole; 13, limiting sliding groove; 14, tightening assembly; 141, cylinder; 142, tightening plate; 15, mounting groove; 16, pushing assembly; 161, pushing plate; 162, threaded column; 163, sliding column; 164, rotating wheel; 165, roller; 17, distance adjustment assembly; 171, sliding block; 172, threaded rod; 173, connecting block; 174, rotating block; 175, connecting rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0029] like Figure 1-11As shown, the embodiment of the present application discloses an automatic feeding device for a plastic crusher, comprising a feeding rack 1, a positioning and conveying mechanism 7, a lifting mechanism 6, a conveying mechanism 12, a pressing assembly 14, a pushing assembly 16 and a distance adjustment assembly 17. In this embodiment, the crusher is placed on one side of the feeding rack 1 and is located below the sliding seat 3 in the feeding rack 1 as shown in the figure. A lifting rack 2 is slidably provided in the feeding rack 1. The lifting rack 2 is slidably provided with a sliding seat 3, on which two symmetrically arranged first clamping plates 4 are slidably provided, and on which two symmetrically arranged second clamping plates 5 are slidably provided. A first chute 8 is provided through the top of the sliding seat 3, and a second chute 9 is provided through the sliding seat 3. The two second plywoods 5 and the two first plywoods 4 are arranged around the bottom of the sliding seat 3. The side walls of the two second plywoods 5 that are close to each other and the side walls of the two first plywoods 4 that are close to each other are both provided with a concave groove with a wave-shaped structure. The distance between the two first plywoods 4 is smaller than the distance between the two second plywoods 5. In this embodiment, a detection plate is fixed to the bottom of the sliding seat 3, and a pressure sensor is provided on the detection plate (when the sliding seat 3 is descending, the detection plate will be in contact with the top of the target pallet. When the pressure sensor detects the force, the sliding seat 3 stops descending). The detection plate is respectively plugged into and matched with the two first plywoods 4 and the two second plywoods 5. The positioning and conveying mechanism 7 is used to drive the sliding seat 3 from the inside of the feeding rack 1 to the outside of the feeding rack 1 when the lifting frame 2 is rising, and to drive the sliding seat 3 from the outside of the feeding rack 1 to the inside of the feeding rack 1 when the lifting frame 2 is descending. The positioning and conveying mechanism 7 is also used to drive the two first plywoods 4 and the two second plywoods 5 to move closer to or away from each other. After the load plate 1 is lifted up, the lifting frame 2 is lifted up, and the lifting frame 2 is lowered to the loading platform 1 by the lifting mechanism 6. The lifting frame 2 is lowered to the loading platform 1 by the lifting mechanism 6. The lifting frame 2 is lowered to the loading platform 1 by the lifting mechanism 6. The lifting frame 2 is lowered to the loading platform 1 by the lifting mechanism 6.

[0030] The positioning and conveying mechanism 7 is arranged on the sliding seat 3. The positioning and conveying mechanism 7 is used to drive the sliding seat 3 from the inside of the feeding rack 1 to the outside of the feeding rack 1 when the lifting frame 2 rises, and to drive the sliding seat 3 from the outside of the feeding rack 1 to the inside of the feeding rack 1 when the lifting frame 2 descends. The positioning and conveying mechanism 7 is also used to adjust the distance between the two first clamping plates 4 and the distance between the two second clamping plates 5. The positioning and conveying mechanism 7 includes a limiting assembly 71, a displacement assembly 72 and a moving assembly 73. The limiting assembly 71 includes a first slide 711, a first slide bar 712, a second slide 713, a second slide bar 714, a first rotating shaft 715 and a second rotating shaft 716. The first slide 711 is slidably connected to the first chute 8, the first slide 711 is fixed to the first clamping plate 4, the first slide bar 712 is fixed in the first chute 8 and slidably cooperates with the first slide 711. The second chute 9 limiting chute 13 is slidably arranged in the second chute 9, and the second clamping plate 5 is slidably arranged on the second slide 713. The horizontal section of the second slide 713 is annular in structure. The second slide rod 714 is fixed in the second slide groove 9 and slidably engages with the second slide 713. The first rotating shaft 715 is rotatably mounted on the first slide 711, and the second rotating shaft 716 is rotatably mounted on the second slide 713. The number of first slide grooves 8, the number of first slides 711, the number of first slide rods 712, and the number of first rotating shafts 715 are equal and have a one-to-one correspondence. The number of second slide grooves 9, the number of second slides 713, the number of second slide rods 714, and the number of second rotating shafts 716 are equal and have a one-to-one correspondence.

[0031] The displacement assembly 72 includes an adjustment plate 721, a ring gear 722, a mounting housing 723, a movable motor 724, and a first gear 725. The adjustment plate 721 is rotatably mounted on the top of the sliding base 3. The ring gear 722 is fixedly mounted on the adjustment plate 721, and the mounting housing 723 is fixed to the top of the sliding base 3. The movable motor 724 is fixed to the mounting housing 723. The first gear 725 is fixedly mounted on the output end of the movable motor 724 and meshes with the ring gear 722. Four adjustment slots 10 are provided throughout the adjustment plate 721, each eccentrically disposed with respect to the adjustment plate 721. Two of the adjustment slots 10 slide in engagement with corresponding first rotating shafts 715, and the remaining two adjustment slots 10 slide in engagement with corresponding second rotating shafts 716. When the tray is located between the two first clamping plates 4 and the two second clamping plates 5, the moving motor 724 operates and drives the first gear 725 to rotate, thereby rotating the ring gear 722 meshing with the first gear 725 and the adjustment plate 721 connected to the ring gear 722. Since the four adjustment slots 10 are eccentrically arranged with the adjustment plate 721, the two first rotating shafts 715 and the second rotating shafts 716 slide in cooperation with the corresponding adjustment slots 10, thereby causing the two first rotating shafts 715, the two second rotating shafts 716, the first slides 711 connected to the two first rotating shafts 715, the first clamping plates 4 connected to the two first slides 711, the second slides 713 connected to the two second rotating shafts 716, and the second clamping plates 5 connected to the two second slides 713 to move closer to each other, thereby achieving the purpose of clamping the tray between the two first clamping plates 4 and the two second clamping plates 5. Similarly, when the moving motor 724 operates and drives the first gear 725 to rotate in the opposite direction, the tray can be released.

[0032] The moving assembly 73 includes a slide rail 731, a rotating column 732 and a protective plate 733. The moving assembly 73 is provided with two groups and is symmetrically arranged about the middle of the feeding rack 1. The slide rail 731 is provided on the lifting frame 2 and slides with the sliding seat 3, and the rotating column 732 is rotatably installed on the sliding seat 3. The protective plate 733 is fixed on the feeding rack 1. The protective plate 733 is penetrated by an adjustment through hole 11 that slides with the rotating column 732. The adjustment through hole 11 is formed by connecting a vertical hole and an arc hole end to end. During the descent of the lifting frame 2, the sliding seat 3 slidably connected to the lifting frame 2 is also lowered. During this process, the rotating column 732 slides along the adjustment through hole 11, and the rotating column 732 moves toward the direction inside the feeding rack 1, realizing the lifting and lowering of the sliding seat 3 while driving the sliding seat 3 to move horizontally, saving time during the feeding process of the device.

[0033] The lifting mechanism 6 is provided on the feeding rack 1 and includes a lifting assembly 61 and a rotating assembly 62. The lifting assembly 61 is provided in two groups and is symmetrically arranged about the middle of the feeding rack 1. The two groups of lifting assemblies 61 drive the two sides of the lifting rack 2 to rise or fall synchronously through a transmission structure (the transmission structure can be achieved by transmission between gears, which is a prior art and will not be described in detail here). The lifting assembly 61 includes an active rod 611, a main sprocket 612, a driven rod 613, a slave sprocket 614, and a chain 615. The active rod 611 is rotatably mounted on the top of the feeding rack 1. The main sprocket 612 is fixedly mounted on the active rod 611, and the driven rod 613 is rotatably mounted on the feeding rack 1 near its bottom. The slave sprocket 614 is fixedly mounted on the driven rod 613, and the chain 615 is used to connect the slave sprocket 614 to the main sprocket 612. The slave sprocket 614 is connected to the lifting frame 2, and the chain 615 is engaged with the main sprocket 612 and the slave sprocket 614. The rotating assembly 62 includes a transmission rod 621, a first main synchronous wheel 622, a first slave synchronous wheel 623, a first synchronous belt 624 and a lifting motor 625. The transmission rod 621 is rotatably mounted on the feeding frame 1. The first main synchronous wheel 622 is fixedly sleeved on the transmission rod 621, and the first slave synchronous wheel 623 is fixedly sleeved on the active rod 611. The first synchronous belt 624 is meshed with the first slave synchronous wheel 623 and the first main synchronous wheel 622. The lifting motor 625 is arranged on the feeding frame 1 and is used to drive the transmission rod 621 to rotate. In this embodiment, a protective shell is fixed on the feeding frame 1, and the transmission components on the lifting mechanism 6 are all located within the protective shell to increase the protection effect. By adopting the above technical solution, after the lifting motor 625 is in operation, it drives the transmission rod 621 to rotate, thereby causing the first main synchronous wheel 622 fixed to the transmission rod 621, the first synchronous belt 624 engaged with the first main synchronous wheel 622, the first slave synchronous wheel 623 engaged with the first synchronous belt 624, the active rod 611 fixed to the first slave synchronous wheel 623, the chain 615 engaged with the active rod 611, the slave sprocket 614 engaged with the chain 615, and the driven rod 613 fixed to the slave sprocket 614 to rotate. Since the lifting frame 2 is connected to the chain 615, the lifting frame 2 can be raised and lowered according to the direction of rotation of the chain 615.

[0034] The conveying mechanism 12 is mounted on the feeding rack 1 and includes a conveying assembly 121, a loading assembly 122, and a sorting assembly 123. The conveying assembly 121 comprises a conveying frame 1211, a second synchronous wheel 1212, a second synchronous belt 1213, and a conveying motor 1214. The conveying frame 1211 is fixed within the feeding rack 1 (an infrared sensor is mounted on the conveying frame 1211 at a position within the feeding rack 1. When the infrared sensor detects a pallet, the second synchronous belt 1213 is stationary. When the infrared sensor no longer detects a pallet, the conveying motor 1214 is activated and rotated, moving the stacked pallets into the feeding rack 1 to ensure continuous feeding of the device). The second synchronous wheel 1212 is rotatably mounted within the conveying frame 1211. Multiple second synchronous wheels 1212 are provided, and each second synchronous belt 1213 engages with the multiple second synchronous wheels 1212. The conveying motor 1214 is mounted on the feeding rack 1 and drives the second synchronous wheels 1212 to rotate. Multiple plastic pallets to be crushed are stacked on top of the second synchronous belt 1213. After the conveying motor 1214 starts working, it drives the second synchronous wheel 1212 to rotate, thereby causing the second synchronous belt 1213 engaged with the second synchronous wheel 1212 to rotate and transport the pallets to be crushed to the feeding rack 1 for the feeding work of the device.

[0035] The loading assembly 122 includes a loading frame 1221, a fixed baffle 1222, a sliding baffle 1223, and an electro-hydraulic push rod 1224. The loading frame 1221 is rotatably mounted on the conveyor frame 1211 and is U-shaped. A limiting slide 13 is defined on the loading frame 1221, and a mounting slot 15 is defined on the horizontal section of the loading frame 1221. The fixed baffle 1222 is fixed to the horizontal section of the loading frame 1221, and the sliding baffle 1223 is slidably mounted on the horizontal section of the loading frame 1221. The electro-hydraulic push rod 1224 is rotatably mounted within the conveyor frame 1211, with its push rod end rotatably connected to the loading frame 1221. Multiple pallets are placed one by one on the horizontal section of the loading rack 1221 and located between the fixed baffle 1222 and the sliding baffle 1223. Then the electric hydraulic push rod 1224 works to extend the push rod end, thereby driving the loading rack 1221 to rotate until the loading rack 1221 is in a vertical state. The stacked pallets are then pushed to the top of the rotating second synchronous belt 1213 to facilitate the stacking of the pallets.

[0036] The finishing assembly 123 includes a reciprocating screw 1231, a connecting slider 1232, a fixed plate 1233, and a second gear 1234. The reciprocating screw 1231 is rotatably mounted within the limiting slide 13. The connecting slider 1232 is slidably connected within the limiting slide 13 and threadedly connected to the reciprocating screw 1231. The fixed plate 1233 is fixed to the conveyor frame 1211. The second gear 1234 is fixedly mounted on the reciprocating screw 1231. The fixed plate 1233 is provided with a circular sliding hole 1235 through which the second gear 1234 passes. The inner wall of the circular sliding hole 1235 is provided with a gear groove that meshes with the second gear 1234. The connecting slider 1232 is fixed to the sliding baffle 1223. During the flipping of the loading rack 1221, the reciprocating screw 1231 connected to the loading rack 1221 and the second gear 1234 connected to the reciprocating screw 1231 rotate. Under the action of the gear groove, the second gear 1234 and the reciprocating screw 1231 connected to the second gear 1234 can both rotate. During this process, the connecting slider 1232 threadedly connected to the reciprocating screw 1231 and the sliding baffle 1223 connected to the connecting slider 1232 first move close to the stacked pallets and then move away from the pallets and reset. The sliding baffle 1223 and the fixed baffle 1222 cooperate with each other to align the stacked pallets, thereby reducing the probability of the pallet slipping when the pallet is transported to the second synchronous belt 1213 and when the reciprocating screw 1231 transports the pallet.

[0037] The abutment assembly 14 is mounted on the loading rack 1221 and includes a cylinder 141 and a abutment plate 142. Cylinder 141 is fixed to the side panel of the loading rack 1221 away from the conveyor rack 1211. Abutment plate 142 is fixed to the end of the piston push rod of cylinder 141. A wavy groove is defined on the sidewall of abutment plate 142 near the conveyor rack 1211. During the flipping process of the loading rack 1221, cylinder 141 operates and extends its piston rod, thereby moving abutment plate 142, which is connected to the push rod end of cylinder 141, toward the pallet. Finally, abutment plate 142 engages the pallet, improving the pallet's stability during flipping.

[0038] The pusher assembly 16 is disposed on the loading rack 1221 and includes a pusher plate 161, a threaded post 162, a sliding post 163, a rotating wheel 164, and a roller 165. The pusher plate 161 is plugged into the mounting slot 15, and the threaded post 162 extends through the bottom of the loading rack 1221 and is threadedly connected. The upper end of the threaded post 162 is rotatably connected to the bottom of the pusher plate 161, and the sliding post 163 extends through the bottom of the loading rack 1221 and is slidably engaged. The rotating wheel 164 is fixed to the threaded post 162, and the roller 165 is rotatably mounted on the side panel of the loading rack 1221 near the conveyor rack 1211. A plurality of rollers 165 are provided, and the sliding post 163 is fixed to the pusher plate 161. After the loading rack 1221 is flipped 90 degrees, the threaded column 162 is rotated. Since the push plate 161 is rotatably connected to the threaded column 162, the threaded column 162 is threadedly connected to the loading rack 1221, and the sliding column 163 is fixed to the push plate 161. The sliding column 163 and the loading rack 1221 slide in cooperation, thereby causing the push plate 161 to move toward the moving mounting slot 15 and push the stacked pallets onto the second synchronous belt 1213. Once the pallets are transported to the second synchronous belt 1213, the threaded column 162 is rotated in the opposite direction, causing the push plate 161 to move toward the mounting slot 15 and reset, facilitating the transport of the pallets onto the second synchronous belt 1213. In addition, during the process of being transported to the second synchronous belt 1213, the pallets will move along the rollers 165, reducing the friction between the pallets and the loading rack 1221 during transport.

[0039] The distance adjustment assembly 17 is disposed on the sliding seat 3. The number of distance adjustment assemblies 17 is equal to the number of second clamping plates 5, and their positions correspond one to one. The distance adjustment assembly 17 comprises a sliding block 171, a threaded rod 172, a connecting block 173, a rotating block 174, and a connecting rod 175. The sliding block 171 is fixed to the second clamping plate 5. The sliding block 171 sequentially passes through the horizontal section of the second sliding seat 713 and the second chute 9. The sliding block 171 and the second chute 9 slide in engagement. The thread grooves provided on the two threaded rods 172 have opposite rotation directions and equal pitch. The threaded rod 172 passes through the sliding block 171 and is threadedly connected. The threaded rod 172 is a hollow structure with openings at both ends. The threaded rod 172 passes through the connecting block 173 and is rotationally connected. The connecting block 173 is rotatably mounted on the second rotating shaft 716. The rotating block 174 is rotatably mounted on the adjustment plate 721. The connecting rod 175 rotates on the rotating block 174 and has a rectangular structure. The connecting rod 175 is inserted into the threaded rod 172 and plugged into it. An operating through-hole is provided on the mounting shell 723 at a position corresponding to the threaded rod 172. A tool is inserted into the operating through-hole and inserted into the sliding block 171. At this time, the threaded rod 172 is rotated, and under the limit of the connecting rod 175, the other threaded rod 172 is driven to rotate synchronously. Since the thread grooves on the two threaded rods 172 have opposite rotation directions and equal pitches, the two sliding blocks 171 and the two second clamping plates 5 are moved closer to each other until the two second clamping plates 5 are initially at the same distance from the two first clamping plates 4, thereby clamping the square pallet.

[0040] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, various improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. An automatic feeding device for a plastic crusher, characterized by: It comprises a feeding rack (1), a lifting rack (2) slidably arranged in the feeding rack (1), a sliding seat (3) slidably arranged on the lifting rack (2), a lifting mechanism (6) arranged on the feeding rack (1), and a positioning and conveying mechanism (7) arranged on the sliding seat (3); Two first clamping plates (4) are slidably provided on the sliding seat (3), and two second clamping plates (5) are slidably provided on the sliding seat (3). The positioning and conveying mechanism (7) is used to drive the sliding seat (3) to move from inside the feeding rack (1) to outside the feeding rack (1) when the lifting frame (2) rises, and to drive the sliding seat (3) to move from outside the feeding rack (1) to inside the feeding rack (1) when the lifting frame (2) descends; The positioning and transporting mechanism (7) is also used to drive the two first clamping plates (4) and the two second clamping plates (5) to move closer to or farther away from each other.

2. The automatic feeding device for a plastic crusher according to claim 1, characterized in that: The top of the sliding seat (3) is provided with a first slide groove (8), and the sliding seat (3) is provided with a second slide groove (9). The positioning and transporting mechanism (7) includes a limiting component (71) and a displacement component (72). The limiting component (71) includes a first sliding seat (711) slidably connected to the first slide groove (8), a first sliding rod (712) fixed in the first slide groove (8) and slidingly matched with the first sliding seat (711), a second sliding seat (713) slidably provided in the second slide groove (9), a second sliding rod (714) fixed in the second slide groove (9) and slidingly matched with the second sliding seat (713), a rotating mounting assembly (711). A first rotating shaft (715) on the first slide (711) and a second rotating shaft (716) rotatably mounted on the second slide (713), the first slide (711) is fixed to the first clamp (4), the second slide (713) is connected to the second clamp (5), the number of the first chute (8), the number of the first slide (711), the number of the first slide rods (712) and the number of the first rotating shaft (715) are equal and their positions correspond one to one, the number of the second chute (9), the number of the second slide (713), the number of the second slide rods (714) and the number of the second rotating shaft (716) are equal and their positions correspond one to one; The displacement assembly (72) includes an adjustment plate (721) rotatably mounted on the sliding seat (3), a gear ring (722) fixedly mounted on the adjustment plate (721), a mounting shell (723) fixed on the top of the sliding seat (3), a moving motor (724) fixed on the mounting shell (723), and a first gear (725) fixedly mounted on the output end of the moving motor (724) and meshing with the gear ring (722). Four adjustment slots (10) are provided on the adjustment plate (721) and are eccentrically arranged with respect to the adjustment plate (721). Two of the adjustment slots (10) are respectively slidably engaged with the corresponding first rotating shaft (715), and the other two adjustment slots (10) are respectively slidably engaged with the corresponding second rotating shaft (716).

3. The automatic feeding device for a plastic crusher according to claim 2, characterized in that: The positioning and conveying mechanism (7) further includes a moving assembly (73), the moving assembly (73) including a slide rail (731) provided on the lifting frame (2) and slidably engaged with the sliding seat (3), a rotating column (732) rotatably mounted on the sliding seat (3), and a protective plate (733) fixed on the feeding rack (1), wherein the protective plate (733) is penetrated by an adjusting through hole (11) slidably engaged with the rotating column (732).

4. The automatic feeding device for a plastic crusher according to claim 1, characterized in that: The lifting mechanism (6) includes a lifting assembly (61) and a rotating assembly (62), wherein the lifting assembly (61) includes an active rod (611) rotatably mounted on the top of the feeding rack (1), a main sprocket (612) fixedly sleeved on the active rod (611), a driven rod (613) rotatably mounted on the feeding rack (1) near its bottom, a slave sprocket (614) fixedly sleeved on the driven rod (613), and a chain (615) for connecting the slave sprocket (614) and the main sprocket (612), wherein the chain (615) is engaged with the main sprocket (612) and the slave sprocket (614), and the slave sprocket (614) is connected to the lifting rack (2); The rotating assembly (62) comprises a transmission rod (621) rotatably mounted on the feeding rack (1), a first main synchronous wheel (622) fixedly sleeved on the transmission rod (621), a first slave synchronous wheel (623) fixedly sleeved on the active rod (611), a first synchronous belt (624) meshed with the first slave synchronous wheel (623) and the first main synchronous wheel (622), and a lifting motor (625) provided on the feeding rack (1) and used for driving the transmission rod (621) to rotate.

5. The automatic feeding device for a plastic crusher according to claim 1, characterized in that: The feeding rack (1) is provided with a conveying mechanism (12), the conveying mechanism (12) comprising a conveying assembly (121), the conveying assembly (121) comprising a conveying rack (1211) fixed in the feeding rack (1), a plurality of second synchronous wheels (1212) rotatably mounted in the conveying rack (1211), a second synchronous belt (1213) each meshed with the plurality of second synchronous wheels (1212), and a conveying motor (1214) provided on the feeding rack (1) and driving the second synchronous wheels (1212) to rotate.

6. The automatic feeding device for a plastic crusher according to claim 5, characterized in that: The conveying mechanism (12) further includes a loading assembly (122), the loading assembly (122) including a loading rack (1221) rotatably mounted on the conveying rack (1211), a fixed baffle (1222) fixed on a horizontal section of the loading rack (1221), a sliding baffle (1223) slidably arranged on the horizontal section of the loading rack (1221), and an electric hydraulic push rod (1224) rotatably mounted in the conveying rack (1211), wherein the push rod end of the electric hydraulic push rod (1224) is rotatably connected to the loading rack (1221).

7. The automatic feeding device for a plastic crusher according to claim 6, characterized in that: A limiting slide groove (13) is provided on the loading rack (1221), and the conveying mechanism (12) further includes a sorting component (123), the sorting component (123) including a reciprocating screw (1231) rotatably installed in the limiting slide groove (13), a connecting slider (1232) slidably connected in the limiting slide groove (13) and threadedly connected to the reciprocating screw (1231), a fixing plate (1233) fixed on the conveying rack (1211), and a second gear (1234) fixedly sleeved on the reciprocating screw (1231), a circular arc slide hole (1235) for the second gear (1234) to penetrate is provided on the fixing plate (1233), a gear groove meshing with the second gear (1234) is provided on the inner wall of the circular arc slide hole (1235), and the connecting slider (1232) is fixed to the sliding baffle (1223).

8. The automatic feeding device for a plastic crusher according to claim 6, characterized in that: The loading rack (1221) is provided with a clamping assembly (14), and the clamping assembly (14) comprises a cylinder (141) fixed on the loading rack (1221) and a clamping plate (142) fixed on the end of the piston push rod of the cylinder (141).

9. The automatic feeding device for a plastic crusher according to claim 8, characterized in that: A mounting groove (15) is provided on the horizontal section of the loading rack (1221), and a pushing assembly (16) is provided on the loading rack (1221). The pushing assembly (16) includes a pushing plate (161) plugged into the mounting groove (15), a threaded column (162) threadedly connected to the loading rack (1221), and the threaded column (162) is rotatably connected to the pushing plate (161). The pushing assembly (16) also includes a sliding column (163) slidably matched with (1221), a rotating wheel (164) fixed on the threaded column (162), and a plurality of rollers (165) rotatably mounted on the side panels of the loading rack (1221), and the sliding column (163) is fixed to the pushing plate (161).

10. The automatic feeding device for a plastic crusher according to claim 2, characterized in that: The second clamping plate (5) is slidably arranged on the second sliding seat (713), and a distance adjustment component (17) is arranged on the sliding seat (3). The distance adjustment component (17) includes a sliding block (171) fixed on the second clamping plate (5), and the sliding block (171) passes through the second sliding groove (9) and slides in cooperation. The distance adjustment component (17) also includes a threaded rod (172) threadedly connected to the sliding block (171), a connecting block (173) rotatably mounted on the second rotating shaft (716), and a connecting rod (173) rotatably mounted on the adjusting rod (17). The rotating block (174) on the section plate (721) and the connecting rod (175) which rotates on the rotating block (174) and is of a rectangular structure, the thread grooves arranged on the two threaded rods (172) have opposite rotation directions and equal pitches, the threaded rods (172) are hollow structures with openings at both ends, the threaded rods (172) are rotatably connected to the connecting block (173), the connecting rod (175) is inserted into the threaded rod (172) and plugged in, and the number of groups of the distance adjustment components (17) is equal to the number of the second splints (5) and the positions correspond one to one.

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