CN116198060B - Crushing device with self-cleaning function for producing polyethylene child seat cushion - Google Patents

Abstract

The invention relates to the technical field of crushing equipment, and in particular to a crushing device with a self-cleaning function for the production of polyethylene children's seat cushions. A crushing device with self-cleaning function for the production of polyethylene children's seat cushions, including a crushing assembly. The crushing assembly includes a second rotating shaft. The second rotating shaft and the third rotating shaft are both fixedly connected with crushing rollers. The adjacent crushing rollers The rollers are all rotatably connected to symmetrically distributed guide blocks, and the guide blocks are provided with sliding grooves. The adjacent crushing rollers are all slidably connected to circumferentially equidistant push plates, and the guide blocks are provided with sliding grooves that slide with the push plates. The invention pushes out the waste accumulated in the gap of the crushing roller in a direction during the working process, so that the crushing effect of the crushing roller remains stable, the working time of the crushing roller is increased, the work efficiency is improved, and the static electricity carried by the waste is removed to prevent the waste from adhering to the device. Accumulation occurs on the surface to improve the efficiency of waste movement.

Description

A crushing device with self-cleaning function for the production of polyethylene children's seat cushions

Technical field

The invention relates to the technical field of crushing equipment, and in particular to a crushing device with a self-cleaning function for the production of polyethylene children's seat cushions.

Background technique

Seat cushions are daily necessities used to provide comfort. With the improvement of living conditions, the classification of seat cushions has become more and more refined, and the emphasis on special seat cushions for children has gradually increased. There are many materials for seat cushions, among which polyethylene is used. Non-toxic, odorless and soft, it is widely used in the production and manufacturing process of cushions. When producing polyethylene cushions, polyethylene waste can be used as raw material by cleaning, sorting, crushing, rinsing and dehydrating the waste. , granulation, and finally production and processing into polyethylene cushions.

In the process of crushing waste materials, a crushing device needs to be used. Existing crushing devices mostly crush raw materials by extrusion and shearing of the crushing roller. During the process of extrusion and shearing, the waste material will get stuck in the gap of the crushing roller, which needs to be carried out. Repeated cleaning affects the crushing effect and work efficiency. During the extrusion and crushing process, the scraps rub against each other to generate static electricity, which adheres to the crushing device and affects the use of the crushing device.

Contents of the invention

In order to overcome the shortcomings mentioned in the above background technology, the present invention provides a crushing device with a self-cleaning function for the production of polyethylene children's seat cushions.

The technical embodiment of the present invention is: a crushing device with self-cleaning function for the production of polyethylene children's seat cushions, including a shell, the shell is provided with an electric transmission part, a gathering shell is fixedly connected in the shell, and the gathering shell is fixedly connected with The splitter plate has a first motor installed in the housing. The housing is rotatably connected to a first rotating shaft. The first rotating shaft and the output shaft of the first motor are driven by gears. The housing is provided with a crushing assembly for crushing waste materials. The crushing assembly includes There is a second rotating shaft, the second rotating shaft is rotationally connected to the housing, the first rotating shaft and the second rotating shaft are driven by a pulley belt, the housing is fixedly connected with a symmetrically distributed first fixed disk, and the housing is rotationally connected with a third rotating shaft. Three rotating shafts, the second rotating shaft and the third rotating shaft are transmitted through the gear set. The second rotating shaft and the third rotating shaft both pass through the symmetrically distributed first fixed plate. The second rotating shaft and the third rotating shaft are both fixedly connected with The crushing roller is rotatably connected to symmetrically distributed guide blocks. The guide blocks are fixedly connected to the adjacent first fixed plate. The guide blocks are provided with sliding grooves. The crushing roller is slidingly connected to circumferentially equidistant push plates. The push plates In sliding fit with the adjacent sliding groove, the housing is fixedly connected with a symmetrically distributed shielding plate, and the shell is fixedly connected with a blanking part fixedly connected to the symmetrically distributed shielding plate. The third rotating shaft and the blanking part pass through a pulley belt. Transmission, the shell is fixedly connected with a blanking shell that communicates with the blanking part, the symmetrically distributed first fixed plate is provided with a first auxiliary component to assist in blanking, and the housing is provided with a pre-crushing component for preprocessing waste.

Furthermore, the sliding groove is annular as a whole, and the sliding groove protrudes toward the side close to the unloading piece to facilitate the processing of waste in the gap of the crushing roller.

Further, the symmetrically distributed first fixed disks are all rotatably connected with rotating cylinders, the symmetrically distributed rotating cylinders are all fixedly connected with the first internal gear ring, and the gathering shell is fixedly connected with a collecting net, and the collecting net is located in the symmetrically distributed rotating cylinder. Between them, the material collecting net and the symmetrically distributed rotating cylinder are both rotatably connected. The material collecting net and the symmetrically distributed rotating cylinder are both provided with evenly distributed through holes. The second rotating shaft is fixedly connected with a third gear meshing with the first internal gear ring. A gear and a symmetrically distributed rotating drum are equipped with material-moving plates distributed equidistantly in the circumference, and the material-moving plates are used to drive the waste materials for re-crushing.

Further, the material dialing plate is rotationally connected to the adjacent rotating drum, and a torsion spring is provided between the material dialing plate and the adjacent rotating drum. The material collecting net is fixedly connected to the limiting rod, and the limiting rod is connected to the adjacent material dialing plate. Plate matching, used to shake the material plate.

Further, the first auxiliary component includes symmetrically distributed fixed plates. The symmetrically distributed fixed plates are fixed to the adjacent first fixed plates. The symmetrically distributed fixed plates are all rotatably connected to second fixed plates. The symmetrically distributed second fixed plates are Fixed rods distributed equidistantly in the circumferential direction are fixed between the fixed disks. The rotating cylinder on one side is fixedly connected with the second internal gear ring. The second fixed disk on the same side of the rotating cylinder with the second internal gear ring is fixed on A second gear meshing with the second internal gear ring is connected.

Further, the first auxiliary component is located directly above the blanking part to improve the effect of auxiliary blanking.

Further, the pretreatment assembly includes a rotating roller, which is fixed to the first rotating shaft. The rotating roller is located on the upper side of the gathering shell. The rotating roller is fixed to cutting blocks distributed equidistantly in the circumferential direction.

Further, a second auxiliary component is included. The second auxiliary component is used for auxiliary feeding. The second auxiliary component includes symmetrically distributed fixed baffles. The symmetrically distributed fixed baffles are all fixed to the shell. One side A second motor is installed on the fixed baffle. A symmetrically distributed fourth rotating shaft is rotatably connected between the symmetrically distributed fixed baffles. The output end of the second motor is fixedly connected to the adjacent fourth rotating shaft. The symmetrically distributed fourth rotating shaft is fixedly connected to the fixed baffle. The rotating shafts are driven by pulleys and belts. The fourth rotating shaft is fixedly connected with a symmetrically distributed third fixed disk. The symmetrically distributed third fixed disks are all provided with extrusion rods distributed equidistantly in the circumferential direction.

Further, the extrusion rod is slidingly connected to the adjacent third fixed plate, and a spring is provided between the extrusion rod and the adjacent third fixed plate for extruding waste materials.

Further, it also includes a blowing away component. The blowing away component is arranged on the casing. The blowing away component is used to prevent waste material from accumulating and clogging. The blowing away component includes a plasma blower. The plasma blower is fixedly connected to the casing. The gathering shell is fixedly connected to the casing. The first air outlet pipe connected to the plasma fan, the shielding plate on one side is fixedly connected to the second air outlet pipe connected to the plasma fan, and the blanking piece is fixedly connected to the third air outlet pipe connected to the plasma fan.

The beneficial effects of the present invention are: the present invention uses the push plate to push out the waste materials in the gap of the crushing roller during the working process, thereby improving the use time of the crushing roller and the crushing effect of the waste materials; through the cooperation of the rotating drum and the material shifting plate, it can The waste materials passing through the collecting net and the through holes of the rotating drum are crushed again, which improves the crushing effect of the device on waste materials; the accumulated waste materials are blown away by the blow-off component, so that the waste materials cannot adhere, preventing the device from clogging, and improving the working efficiency of the device. ; The second auxiliary component assists in feeding and squeezing the waste material at the same time, reducing the volume of the waste material and facilitating the entry of the waste material.

Description of the drawings

Figure 1 is a schematic three-dimensional structural diagram of the present invention.

Figure 2 is a rear view of the three-dimensional structure of the present invention.

Figure 3 is a sectional view of the three-dimensional structure of the housing of the present invention.

Figure 4 is a schematic three-dimensional structural diagram of the crushing assembly of the present invention.

Figure 5 is a schematic three-dimensional structural diagram of the blanking part, plasma blower and other parts of the present invention.

Figure 6 is a schematic diagram of the connection relationship between the crushing drum, sliding groove and push plate of the present invention.

Figure 7 is a schematic three-dimensional structural diagram of the guide block and sliding groove of the present invention.

Figure 8 is a schematic three-dimensional structural diagram of the push plate of the present invention.

Figure 9 is a three-dimensional structural cross-sectional view of the rotating drum and the collecting net of the present invention.

Figure 10 is an enlarged three-dimensional structural diagram of point A of the present invention.

Figure 11 is a schematic diagram of the connection relationship between the material shifting plate and the rotating drum of the present invention.

Figure 12 is a schematic three-dimensional structural diagram of the first auxiliary component of the present invention.

Figure 13 is an enlarged three-dimensional structural diagram of position B of the present invention.

Figure 14 is a schematic three-dimensional structural diagram of the pretreatment component of the present invention.

Figure 15 is a schematic three-dimensional structural diagram of the second auxiliary component of the present invention.

Figure 16 is a partial three-dimensional structural diagram of the second auxiliary component of the present invention.

In the reference numbers: 1-casing, 2-electric transmission part, 3-gathering shell, 301-split plate, 4-first motor, 6-first rotating shaft, 801-first fixed plate, 802-rotating cylinder , 8021-the first internal gear ring, 8022-the second internal gear ring, 803-receiving net, 804-the second rotating shaft, 8041-the first gear, 805-the third rotating shaft, 806-crushing roller, 807- Guide block, 8071-sliding groove, 808-push plate, 809-shielding plate, 810-steering plate, 811-limiting rod, 901-fixing plate, 902-second fixed plate, 903-fixing rod, 904-No. Two gears, 1001-rotating roller, 1002-cutting block, 1101-plasma fan, 1102-first air outlet duct, 1103-second air outlet duct, 1104-third air outlet duct, 1201-fixed baffle, 1202- The second motor, 1203-the fourth rotating shaft, 1204-the third fixed plate, 1205-the extrusion rod, 13-the blanking piece, 14-the blanking shell.

Implementation

The present invention will be described in detail below with reference to the accompanying drawings.

Embodiment 1: A crushing device with a self-cleaning function for the production of polyethylene children's seat cushions, as shown in Figures 1 to 11, including a shell 1, and an electric transmission member 2 is provided on the left side of the upper part of the shell 1. A gathering shell 3 is fixedly connected to the body 1, and a diverter plate 301 is fixedly connected to the gather shell 3. The diverter plate 301 guides the waste materials downward on its front and rear sides. A first motor 4 is installed inside the casing 1. The first motor 4 The output shaft penetrates the housing 1. The housing 1 is rotatably connected with a first rotating shaft 6. The first rotating shaft 6 and the output end of the first motor 4 are driven by gears. The housing 1 is provided with a crushing component, and the crushing component is sheared by extrusion. The waste materials are crushed in a cutting manner. The crushing assembly includes a second rotating shaft 804. The second rotating shaft 804 is rotatably connected to the housing 1. The first rotating shaft 6 and the second rotating shaft 804 are driven by a pulley belt. The housing 1 A symmetrically distributed first fixed disk 801 is fixedly connected, and the housing 1 is rotationally connected to a third rotating shaft 805. The second rotating shaft 804 and the third rotating shaft 805 are transmitted through a gear set. The number of teeth of the second rotating shaft 804 gear is greater than that of the third rotating shaft 805. The number of teeth of the gear of the three rotating shafts 805. The second rotating shaft 804 and the third rotating shaft 805 both pass through the symmetrically distributed first fixed plate 801. The second rotating shaft 804 and the third rotating shaft 805 are both fixedly connected with the crushing roller 806. The roller 806 is rotatably connected with guide blocks 807 symmetrically distributed front and back. The guide blocks 807 are fixedly connected to the adjacent first fixed plate 801. The symmetrically distributed guide blocks 807 are provided with sliding grooves 8071 on the back side. The sliding grooves 8071 are annular as a whole. And the sliding groove 8071 protrudes downward. The crushing roller 806 is slidingly connected with push plates 808 equidistantly distributed in the circumferential direction. The push plate 808 slides with the adjacent sliding groove 8071. When the push plate 808 slides to the sliding groove 8071, it protrudes. position, the push plate 808 protrudes relative to the adjacent crushing roller 806 to facilitate the processing of waste in the gap of the crushing roller 806. The symmetrically distributed first fixed disks 801 are all rotatably connected with rotating cylinders 802, and the symmetrically distributed rotating cylinders 802 are evenly connected to each other. The first internal gear ring 8021 is fixedly connected, and the gathering shell 3 is fixedly connected with a material collecting net 803. The material collecting net 803 is rotatably connected to the symmetrically distributed rotating cylinders 802. The material collecting net 803 is located between the symmetrically distributed rotating cylinders 802. The material collection net 803 and the symmetrically distributed rotating drum 802 are both provided with evenly distributed through holes for intercepting unqualified broken waste materials. The housing 1 is fixedly connected with the unloading part 13, and the unloading part 13 is connected with the symmetrically distributed through holes. The shielding plate 809 is fixed, and the blanking part 13 is provided with symmetrically distributed augers, which are used to concentrate the processed waste materials on the front and rear sides of the blanking part 13 to its middle. The third rotating shaft 805 and the blanking part 13 pass through the pulley. Belt drive, the housing 1 is fixedly connected with the blanking shell 14 connected with the blanking part 13, the second rotating shaft 804 is fixedly connected with the first gear 8041 meshing with the first internal gear ring 8021, the inner sides of the two rotating cylinders 802 The materials are all rotatably connected with circumferentially equidistant distribution plates 810, and a torsion spring is provided between the materials plate 810 and the adjacent rotating cylinder 802. The materials plate 810 is used to drive the material that cannot pass through the collecting net 803 and the rotating cylinder. The waste material in the 802 through hole moves to the two crushing rollers 806 to crush the waste material again. The collection net 803 is fixedly connected to the limit rod 811. The limit rod 811 cooperates with the adjacent material shifting plate 810 to shake the material shifting plate. 810, make the waste material attached to the scraping plate 810 fall. The housing 1 is fixed with a symmetrically distributed shielding plate 809. The symmetrically distributed first fixed plate 801 is provided with a first auxiliary component. The first auxiliary component is used to push the collecting net. 803 and the waste accumulated on the lower side of the rotating drum 802, the auxiliary material shifting plate 810 transports the waste. The housing 1 is provided with a pre-processing component, which is used to pre-cut the waste and improve the working efficiency of the crushing component.

As shown in Figures 12 and 13, the first auxiliary assembly includes symmetrically distributed fixed plates 901. The symmetrically distributed fixed plates 901 are fixed to the adjacent first fixed plates 801. The symmetrically distributed fixed plates 901 are all rotationally connected with The second fixed plate 902 is fixed with six fixed rods 903 equidistantly distributed in the circumference between the symmetrically distributed second fixed plates 902. The rotating barrel 802 on the rear side is fixed with the second internal gear ring 8022. The second fixed plate 902 is fixedly connected with the second gear 904. The second gear 904 meshes with the second internal gear ring 8022, so that the fixed rod 903 squeezes the waste material and assists in moving the waste material. The first auxiliary component is located directly above the blanking part 13 , used to improve the effect of auxiliary blanking.

As shown in Figures 3 and 14, the pretreatment assembly includes a rotating roller 1001. The rotating roller 1001 is fixed to the first rotating shaft 6. The rotating roller 1001 is located on the upper side of the gathering shell 3. The rotating roller 1001 is fixed to a circumferential axis, etc. The cutting blocks 1002 are distributed apart from each other, and the cutting blocks 1002 pre-cut the waste materials to improve the work efficiency of the crushing step.

When using this device to crush waste, the staff starts the electric conveyor 2 and the first motor 4, and places the waste on the electric conveyor 2. The electric conveyor 2 transports the waste to the right, and the output end of the first motor 4 passes through the gear. The first rotating shaft 6 drives the first rotating shaft 6 to rotate. The first rotating shaft 6 drives the rotating roller 1001 and the circumferentially equidistantly distributed cutting blocks 1002 to rotate. The circumferentially equidistantly distributed cutting blocks 1002 prepare the waste material brought by the electric conveyor 2. Cutting facilitates the subsequent crushing process. The pre-cut waste materials are gathered through the gathering shell 3 and diverted through the diverter plate 301, so that the waste materials fall into the collection net 803 and the two rotating drums 802.

During the rotation of the first rotating shaft 6, the first rotating shaft 6 drives the second rotating shaft 804 to rotate through the pulley belt, and the second rotating shaft 804 drives the third rotating shaft 805 to rotate through the gear. The gear of the second rotating shaft 804 The number of teeth is greater than the number of teeth of the gear of the third rotating shaft 805. The second rotating shaft 804 and the third rotating shaft 805 form a differential speed, so that the two crushing rollers 806 rotate in opposite directions and rotate at a differential speed, thereby improving the impact of the two crushing rollers 806 on the waste materials. Crushing effect, the broken waste material falls to the inside of the collecting net 803 and the two rotating cylinders 802, and the waste material that can pass through the through holes of the collecting net 803 and the two rotating cylinders 802 moves downward to the unloading piece 13, and the waste material that cannot pass through The waste material moves to the upper side of the rotating drum 802 through the scraping plate 810 along with the rotation of the two rotating drums 802. When the scraping plate 810 moves to contact with the limiting rod 811, the limiting rod 811 squeezes the adjacent scraping plate. 810, the torsion spring of the scraping plate 810 twists, causing the scraping plate 810 to rotate, and the waste material carried by it falls downward between the two crushing rollers 806, and the two crushing rollers 806 crush the waste material again until the waste material passes through the collection The through holes of the net 803 and the two rotating cylinders 802 move downward to the blanking part 13. When the material shifting plate 810 moves away from the limiting rod 811, the torsion spring of the material shifting plate 810 returns to its original position.

During the process of two crushing rollers 806 crushing waste materials, the crushing rollers 806 drive the adjacent push plate 808 to slide along the adjacent sliding groove 8071. When the pushing plate 808 moves to the lower side of the sliding groove 8071, the pushing plate 808 slides along the sliding groove 8071. 8071 reaches down to push out the waste material in the gap between the adjacent crushing rollers 806, thereby improving the use time of the crushing roller 806 and the crushing effect of the waste material, and preventing the gap between the crushing rollers 806 from being blocked. The push plate 808 will push the gap between the adjacent crushing rollers 806. The waste material inside is pushed downward, so that part of the waste material stuck in the gap of the crushing roller 806 can be directly discharged downward through the through holes of the rotating cylinder 802 and the two collecting nets 803.

When the two rotating drums 802 rotate, the rotating drum 802 on the rear side drives the second fixed plate 902 on the rear side to rotate through the meshing of the second internal gear ring 8022 and the second gear 904. The second fixed plate 902 on the rear side rotates through the circumference. The fixed rods 903 equidistantly distributed in the circumferential direction drive the second fixed plate 902 on the front side to rotate, and the fixed rods 903 equidistantly distributed in the circumferential direction rotate to assist the waste material that cannot pass through the through holes of the collecting net 803 and the two rotating drums 802 to move upward. The movement is carried out again for crushing, while squeezing the waste materials that can pass through to assist in unloading.

When the third rotating shaft 805 rotates, the third rotating shaft 805 drives the blanking part 13 to rotate through the pulley belt, and the waste material passing through the through holes of the collecting net 803 and the two rotating cylinders 802 moves to the blanking part 13, and the blanking part 13 drives the processed waste to move to the middle of the lower material part 13, and is exported through the lower material shell 14 to complete the overall process. When the use of the device is completed, the staff turns off the electric transmission part 2 and the first motor 4.

Embodiment 2: On the basis of Embodiment 1, as shown in Figures 15 and 16, a second auxiliary component is also included. The second auxiliary component is used to push the waste material into the housing 1 while squeezing the waste material to reduce The small space occupied by waste materials facilitates the entry of waste materials into the housing 1. The second auxiliary component includes symmetrically distributed fixed baffles 1201. The symmetrically distributed fixed baffles 1201 are all fixed to the housing 1. The fixed baffles 1201 on the rear side are installed. There is a second motor 1202, and a symmetrically distributed fourth rotating shaft 1203 is rotatably connected between the symmetrically distributed fixed baffles 1201. The output end of the second motor 1202 is fixedly connected to the fourth rotating shaft 1203 on the left, and the adjacent third The four rotating shafts 1203 are driven by pulleys and belts. The adjacent fourth rotating shafts 1203 are all fixed with third fixed plates 1204 that are symmetrically distributed in the front and rear. The third fixed plates 1204 that are symmetrically distributed are all slidable and equidistantly distributed in the circumferential direction. The extrusion rod 1205 is provided with a spring between the extrusion rod 1205 and the adjacent third fixed plate 1204 to assist in feeding materials while squeezing waste materials to improve the efficiency of feeding materials.

When starting the electric transmission member 2, the staff starts the second motor 1202 at the same time. The output end of the second motor 1202 drives the fourth rotating shaft 1203 on the left side to rotate. The fourth rotating shaft 1203 on the left side rotates the right side through the pulley belt. The fourth rotating shaft 1203 rotates, the fourth rotating shaft 1203 drives the symmetrical third fixed plate 1204 to rotate, and the symmetrical third fixed plate 1204 drives the extrusion rod 1205 to rotate. When the electric transmission member 2 feeds material into the housing 1 , the extrusion rod 1205 moves the waste material to assist in feeding. When encountering a larger volume of waste material, the extrusion rod 1205 slides along the two adjacent third fixed disks 1204, squeezing the spring of the third fixed disk 1204, The spring of the extrusion rod 1205 provides extrusion force to squeeze larger waste materials to facilitate the process.

Embodiment 3: On the basis of Embodiment 2, as shown in Figures 3 to 5 and 14, a blowing away component is also included. The blowing away component is arranged on the housing 1, and the blowing away component is used to remove static electricity from the waste materials. , to prevent waste materials from being adsorbed on the gathering shell 3, the shielding plate 809 and the blanking part 13, affecting the movement and discharge of the waste materials. The blowing away component includes a plasma fan 1101. The plasma fan 1101 is fixed to the inside of the housing 1, and the gathering shell 3 is fixed A first air outlet pipe 1102 is connected to the first air outlet pipe 1102 and the plasma fan 1101 through a connecting pipe. The right baffle 809 is fixedly connected to a second air outlet pipe 1103. The second air outlet pipe 1103 is connected to the plasma fan 1101. The third air outlet pipe 1104 is connected to the blanking piece 13 through a communication pipe. The third air outlet pipe 1104 and the plasma fan 1101 are connected through the communication pipe.

When the device is working, the staff starts the plasma fan 1101. The plasma fan 1101 blows the plasma wind to the first air outlet duct 1102, the second air outlet duct 1103 and the third air outlet duct 1104. The first air outlet duct 1102 blows the plasma wind. The wind blows towards the gathering shell 3, the second air outlet pipe 1103 blows the plasma wind to the two rotating cylinders 802 and the collecting net 803, the third air outlet pipe 1104 blows the plasma wind to the and unloading parts 13, and carries the waste materials. The static electricity removal prevents waste materials from clogging the device due to electrostatic adsorption and improves the working efficiency of the device.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that the present invention can be modified without departing from the principle and spirit of the invention as defined by the claims. various changes or modifications. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the present invention, but the scope of protection is defined by the content of the claims.

Claims (9)

1. The utility model provides a breaker with self-cleaning function is used in production of polyethylene children's cushion, including casing (1), casing (1) are provided with electronic conveying piece (2), and the rigid coupling has in casing (1) to gather together shell (3), gathers together shell (3) rigid coupling and has flow distribution plate (301), and first motor (4) are installed in casing (1), and casing (1) rotate and are connected with first axis of rotation (6), and first axis of rotation (6) pass through gear with the output shaft of first motor (4), characterized by: the crushing assembly is arranged on the shell (1), the crushing assembly comprises a second rotating shaft (804), the second rotating shaft (804) is rotationally connected with the shell (1), the first rotating shaft (6) and the second rotating shaft (804) are driven by a belt pulley, the shell (1) is fixedly connected with a first symmetrically distributed fixed disc (801), the shell (1) is rotationally connected with a third rotating shaft (805), the second rotating shaft (804) and the third rotating shaft (805) are driven by a gear set, the second rotating shaft (804) and the third rotating shaft (805) penetrate through a first symmetrically distributed fixed disc (801), the second rotating shaft (804) and the third rotating shaft (805) are fixedly connected with crushing rollers (806), the crushing rollers (806) are rotationally connected with symmetrically distributed guide blocks (807), the guide blocks (807) are fixedly connected with adjacent first fixed discs (801), the guide blocks (807) are provided with sliding grooves (8071), the pushing plates (808) which are circumferentially equidistant and are slidingly matched with the adjacent sliding grooves (8071), the shell (809) is fixedly connected with a baffle plate (13) which is symmetrically distributed on the shell (1), the third rotating shaft (805) and the blanking member (13) are driven by a belt wheel belt, a blanking shell (14) communicated with the blanking member (13) is fixedly connected with the shell (1), first auxiliary components for assisting blanking are arranged on symmetrically distributed first fixing plates (801), and a pretreatment component for pre-crushing waste is arranged on the shell (1);

the sliding groove (8071) is annular as a whole, and the sliding groove (8071) protrudes to one side close to the blanking piece (13), so that waste in a gap of the crushing roller (806) can be conveniently treated.

2. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as claimed in claim 1, wherein: the first fixed disk (801) of symmetric distribution is all rotated and is connected with a rotary drum (802), the rotary drum (802) of symmetric distribution is all fixedly connected with a first annular gear (8021), gather shell (3) rigid coupling and have receipts material net (803), receipts material net (803) are located between the rotary drum (802) of symmetric distribution, receipts material net (803) are all rotated with the rotary drum (802) of symmetric distribution and are connected, receipts material net (803) and rotary drum (802) of symmetric distribution all are provided with evenly distributed's through-hole, second axis of rotation (804) rigid coupling have with first gear (8041) of first annular gear (8021) meshing, rotary drum (802) of symmetric distribution all are provided with circumferentially equidistant stirring board (810) of distributing, stirring board (810) are used for driving the waste material and break once more.

3. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as claimed in claim 2, characterized in that: the stirring plate (810) is rotationally connected with the adjacent rotating cylinder (802), a torsion spring is arranged between the stirring plate (810) and the adjacent rotating cylinder (802), a limiting rod (811) is fixedly connected with the material collecting net (803), and the limiting rod (811) is matched with the adjacent stirring plate (810) and used for shaking the stirring plate (810).

4. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as claimed in claim 1, wherein: the first auxiliary assembly comprises symmetrically distributed fixing plates (901), wherein the symmetrically distributed fixing plates (901) are fixedly connected to adjacent first fixing plates (801), the symmetrically distributed fixing plates (901) are rotationally connected with second fixing plates (902), fixing rods (903) which are circumferentially equidistantly distributed are fixedly connected between the symmetrically distributed second fixing plates (902), a rotating cylinder (802) on one side is fixedly connected with a second inner gear ring (8022), and a second gear (904) meshed with the second inner gear ring (8022) is fixedly connected with the second fixing plates (902) on the same side of the rotating cylinder (802) fixedly connected with the second inner gear ring (8022).

5. The crushing device with a self-cleaning function for producing the polyethylene child seat cushion as claimed in claim 4, wherein the crushing device is characterized in that: the first auxiliary assembly is located right above the blanking piece (13) and used for improving the effect of auxiliary blanking.

6. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as claimed in claim 1, wherein: the pretreatment component comprises a rotating roller (1001), the rotating roller (1001) is fixedly connected to a first rotating shaft (6), the rotating roller (1001) is positioned on the upper side of the gathering shell (3), and cutting blocks (1002) distributed circumferentially at equal intervals are fixedly connected to the rotating roller (1001).

7. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as claimed in claim 1, wherein: the novel rotary extrusion device is characterized by further comprising a second auxiliary assembly, wherein the second auxiliary assembly is used for auxiliary feeding, the second auxiliary assembly comprises symmetrically distributed fixing baffles (1201), the symmetrically distributed fixing baffles (1201) are fixedly connected to the shell (1), a second motor (1202) is installed on one side of each fixing baffle (1201), a symmetrically distributed fourth rotating shaft (1203) is rotationally connected between the symmetrically distributed fixing baffles (1201), the output end of each second motor (1202) is fixedly connected with the adjacent fourth rotating shaft (1203), the symmetrically distributed fourth rotating shafts (1203) are in belt transmission through pulleys, the symmetrically distributed third rotating shafts (1204) are fixedly connected with symmetrically distributed third fixing plates (1204), and the symmetrically distributed third fixing plates (1204) are all provided with extrusion rods (1205) which are circumferentially equidistantly distributed.

8. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as defined in claim 7, wherein: the extrusion rod (1205) is in sliding connection with the adjacent third fixed disc (1204), and a spring is arranged between the extrusion rod (1205) and the adjacent third fixed disc (1204) and is used for extruding waste materials.

9. A crushing device with self-cleaning function for producing a polyethylene child seat cushion as claimed in claim 1, wherein: still including blow-off subassembly, blow-off subassembly sets up in casing (1), blow-off subassembly is used for preventing that the waste material from piling up and blocking, blow-off subassembly is including plasma fan (1101), plasma fan (1101) rigid coupling is in casing (1), gather together shell (3) rigid coupling have with first tuber pipe (1102) of plasma fan (1101) intercommunication, shielding plate (809) rigid coupling of one side have with second tuber pipe (1103) of plasma fan (1101) intercommunication, unloading piece (13) rigid coupling have with third tuber pipe (1104) of plasma fan (1101) intercommunication.