CN112705312B

CN112705312B - Scraped car disassembles and uses breaker

Info

Publication number: CN112705312B
Application number: CN202110084210.3A
Authority: CN
Inventors: 杨超
Original assignee: Shaanxi Xinhui Scrap Car Recycling And Dismantling Co ltd
Current assignee: Shaanxi Xinhui Scrap Car Recycling And Dismantling Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-06-24
Anticipated expiration: 2041-01-21
Also published as: CN112705312A

Abstract

The application relates to a crusher for disassembling scraped cars, which relates to the field of scraped car disassembling technology and comprises a shell, a crushing device, a feeding device and a screening device, wherein a feeding hole and a discharging hole are formed in the shell; the feeding device comprises a feeding cylinder and a feeding plate, the feeding cylinder is rotatably connected with the outer wall of the shell, the feeding plate comprises a connecting plate and a supporting plate, the connecting plate is rotatably connected with a piston rod of the feeding cylinder, one side of the connecting plate, which is close to the feeding hole, is rotatably connected with the shell, and the other side of the connecting plate is connected with the supporting plate; the screening plant is located the discharge gate below, the screening plant is used for sieving the metal. This application has the crushing efficiency who promotes the breaker and the effect of safety in utilization.

Description

Scraped car disassembles and uses breaker

Technical Field

The application relates to the field of scraped car disassembling technology, in particular to a crusher for scraped car disassembling.

Background

With the progress and development of society, automobiles on roads are more and more, the automobiles have service lives, and the scrapped automobiles can be subjected to resource recovery after being disassembled in factories. Wherein, the automobile body is mostly made of metal material, after other parts are dismantled, generally use the breaker to carry out the breakage to the automobile body to carry out the recovery of metal.

Application number is CN201811190037.X discloses a double knives roller metal crusher, including hollow organism, be located the loading hopper on organism upper portion and be located the discharging pipe of organism lower part, be equipped with two levels in the cavity of organism and arrange and rotatory rotor in opposite directions, the equipartition has the sword tooth on the roll surface of rotatory rotor, the below at two rotatory rotor adjacent positions is equipped with the stationary knife parallel with rotatory rotor axis, the adjacent position and two rotatory rotors of cutting edge of stationary knife are pressed close to forms the cutting opening.

In view of the above-mentioned related art, the inventor believes that some metals have incomplete crushing due to the shape and the state when falling into the crusher during the operation of the crusher, thereby affecting the crushing efficiency of the crusher.

Disclosure of Invention

In order to promote the crushing efficiency of breaker, this application provides a scraped car disassembles and uses breaker.

The application provides a pair of scraped car disassembles and uses breaker adopts following technical scheme:

a crusher for disassembling scraped cars comprises a shell and a crushing device, wherein a feeding hole and a discharging hole are formed in the shell, the crushing device comprises a driving machine and two crushing rollers which are parallel to each other, the driving machine is positioned on the outer side of the shell, the crushing rollers are positioned in the shell, and the crushing device is positioned between the feeding hole and the discharging hole; the feeding device comprises a feeding cylinder and a feeding plate, the feeding cylinder is rotatably connected with the outer wall of the shell, the feeding plate comprises a connecting plate and a supporting plate, the connecting plate is rotatably connected with a piston rod of the feeding cylinder, one side of the connecting plate, which is close to the feeding hole, is rotatably connected with the shell, and the other side of the connecting plate is connected with the supporting plate; the screening plant is located the discharge gate below, the screening plant is used for sieving the metal.

By adopting the technical scheme, when the metal crusher is used, after metal to be crushed is placed on the supporting plate, the feeding cylinder is opened, the piston rod of the feeding cylinder extends out, the connecting plate rotating sheet is pushed to ascend and rotate to be close to the feeding port, and the connecting plate drives the supporting plate to rotate, so that the metal on the supporting plate falls into the shell from the feeding port; the crushing device crushes the metal, the crushed metal falls onto the screening device, the screening device screens the metal, and the personnel of being convenient for carry out subsequent processing on the metal, thereby improving the crushing efficiency of the crusher.

Optionally, screening plant is including screening net, screening frame and vibrator, screening net slope sets up, screening frame is connected with the screening net, screening net and shell inner wall sliding connection, one side that the screening net is close to the screening frame is connected with the vibrator.

Through adopting above-mentioned technical scheme, the screening net filters the metal of big piece on the net to move to the lower one side of screening net under the vibration effect of vibrator, thereby can reduce piling up of big piece metal on the screen cloth, increased screening plant's flexibility, and then promoted the crushing efficiency of breaker.

Optionally, the lower one side in screening net position is equipped with the top open-ended collection box, the collection box can be dismantled with the backup pad and be connected, it has the mounting hole to open in the backup pad, the mounting hole is used for passing through the waste material in the collection box.

Through adopting above-mentioned technical scheme, the collection box can be collected the metal on the screening net. When the collection box is connected with the backup pad, can fill and hold the case as the material loading, be close to the material loading mouth with the collection box under the drive of material loading cylinder, can carry out breakage once more to the large sheet metal in the collection box to the crushing efficiency of breaker has been promoted.

Optionally, a movable plate is arranged at the mounting hole and made of an elastic material, one side of the movable plate close to the connecting plate is fixedly connected with the supporting plate, the other end of the movable plate is connected with the supporting plate in a sliding mode, a movable cylinder is arranged on one side of the movable plate close to the supporting plate, the axis of the movable cylinder is parallel to the moving direction of the movable plate, and a piston rod of the movable cylinder is connected with one side of the movable plate far away from the connecting plate.

Through adopting above-mentioned technical scheme, in the connection of backup pad and collection box, movable cylinder's piston rod withdraws to drive the one end that the connecting plate was kept away from to the fly leaf and be close to the connecting plate, thereby open the mounting hole, be convenient for in the collection box metal drop.

Optionally, the recycling bin is located on one side close to the feeding plate, a lifting mechanism is arranged at the bottom of the recycling bin, the lifting mechanism comprises a lifting cylinder and a lifting plate, the lifting cylinder is vertically arranged, the lifting plate is connected with a piston rod of the lifting cylinder, and the recycling bin is connected with the lifting plate.

Through adopting above-mentioned technical scheme, the mechanism that rises is convenient for the collection box and is close to the backup pad, has reduced personnel's intensity of labour. When the lifting device is used, the piston rod of the lifting cylinder extends out, and the lifting plate and the recovery box are pushed to be close to the supporting plate, so that the recovery box and the supporting plate are connected conveniently.

Optionally, the outer wall of the recycling bin is provided with a limiting table, a limiting groove is arranged below the supporting plate, and the limiting table is matched with the limiting groove.

Through adopting above-mentioned technical scheme, spacing groove and spacing platform joint can link together collection box and backup pad to be convenient for reprocess the metal in the collection box.

Optionally, a dustproof device is further arranged at the feed inlet, the dustproof device comprises a support frame, a dustproof shell and a dustproof cylinder, the support frame and the dustproof cylinder are both vertically arranged, and the dustproof cylinder is connected with the support frame; and a piston rod of the dustproof cylinder is connected with the dustproof shell.

Through adopting above-mentioned technical scheme, be stained with a large amount of dusts in the part of scraped car, when carrying out the breakage, the dust drops and suspends in the air from the metal easily, and dust keeper not only can reduce the diffusion of dust in the air, and the metal splashes when also can reducing the breakage, has promoted the broken metal of breaker and has made the security. The dustproof cylinder enables the position of the dustproof shell to be adjusted according to the specification of metal, and the flexibility of the dustproof device is further improved.

Optionally, a dust suction device is arranged above the dustproof shell, the dust suction device comprises a dust suction pipe, a fan and a collecting box, one end of the dust suction pipe is connected with the dustproof shell and communicated with the interior of the dustproof shell, and the other end of the dust suction pipe is connected with the collecting box; the fan is connected inside the fixed pipe, and the rotating plane of the fan is perpendicular to the axis of the fixed pipe.

Through adopting above-mentioned technical scheme, dust extraction can collect the dust in the air, reduces drifting away of dust, is convenient for collect the dust. During the use, open the fan, the fan rotates and forms the negative pressure, and the dust that will waft and the metal piece that is lighter inhale the dust absorption pipe, and dust and piece loop through fixed pipe and movable tube, fall into the collection box at last, and the personnel of being convenient for carry out centralized processing to dust and piece.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the feeding device and the screening device, metal can orderly enter the crusher to be crushed and screened, so that the crushing efficiency of the crusher is improved;

2. by arranging the recovery box and the lifting mechanism, the recovery box can be connected with the supporting plate, so that large pieces of metal can be conveniently crushed again;

3. through setting up dust keeper and dust extraction, can reduce the dust that produces among the crushing process, improved personnel's operational environment.

Drawings

Fig. 1 is a schematic overall structure diagram of a crusher for disassembling a scraped car according to an embodiment of the present application.

Fig. 2 is a partial structural schematic diagram of a crusher for disassembling a scraped car according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a crusher feeding device for disassembling a scraped car according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of another view angle of the feeding device of the crusher for disassembling the scraped car according to the embodiment of the present application.

Fig. 5 is an enlarged view at a in fig. 4.

Fig. 6 is a schematic structural diagram of a screening device, a conveyor and a lifting mechanism of a scrapped car disassembling crusher according to an embodiment of the present application.

Fig. 7 is a schematic structural diagram of another view angle of the screening device, the conveyor and the lifting mechanism of the scrapped car disassembling crusher according to the embodiment of the application.

Fig. 8 is an enlarged view at B in fig. 7.

Fig. 9 is a schematic structural diagram showing a connection relationship between a connection block and a connection groove of a crusher for disassembling a scraped car according to an embodiment of the present application.

Fig. 10 is a perspective cross-sectional view of a crusher lifting plate and a recycling bin for disassembling a scraped car according to an embodiment of the present application.

Fig. 11 is a schematic structural diagram of a dust-proof device and a dust-absorbing device for disassembling a scraped car according to an embodiment of the present application.

Fig. 12 is an enlarged view at C in fig. 11.

Description of reference numerals: 1. a housing; 2. a crushing device; 21. a driver; 211. a crushing motor; 212. a speed reducer; 213. a driving wheel; 214. a driven wheel; 215. a belt; 22. a crushing roller; 3. a feeding device; 31. a feeding cylinder; 32. feeding plates; 321. a connecting plate; 322. a support plate; 4. a screening device; 41. screening the net; 42. a screening rack; 43. a vibrator; 5. a dust-proof device; 51. a support frame; 52. a dust-proof shell; 521. a top plate; 522. a dust-proof sheet; 53. a dustproof cylinder; 6. a dust collection device; 61. a dust collection pipe; 611. a fixed tube; 612. a movable tube; 62. a fan; 63. a collection box; 7. a feed inlet; 8. a discharge port; 9. mounting a plate; 10. a damping spring; 11. a connecting rod; 12. connecting blocks; 13. connecting grooves; 14. an elastic member; 15. a conveyor; 16. a conveying motor; 17. a recycling bin; 18. mounting holes; 19. a movable plate; 20. a movable cylinder; 23. a slider; 24. a chute; 25. a lifting mechanism; 251. a lift cylinder; 252. a lifting plate; 26. mounting grooves; 27. an installation table; 28. a magnetic block; 29. an iron block; 30. positioning a sheet; 33. a guide bar; 34. a limiting table; 35. mounting a block; 36. a limiting groove; 37. a locking member; 371. a lock head; 372. locking; 38. a slider; 39. a sliding groove; 40. and connecting the holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

The embodiment of the application discloses scraped car disassembles and uses breaker. Referring to fig. 1 and 2, the crusher for disassembling the scraped car comprises a shell 1, a crushing device 2, a feeding device 3, a screening device 4, a dustproof device 5 and a dust suction device 6, wherein a feeding port 7 and a discharge port 8 are formed in the shell 1, the crushing device 2 is positioned inside the shell 1, the crushing device 2 is positioned between the feeding port 7 and the discharge port 8, referring to fig. 3 and 4, the crushing device 2 comprises a driving machine 21 and two crushing rollers 22 which are parallel to each other, the driving machine 21 comprises a crushing motor 211, a speed reducer 212, a driving wheel 213, a driven wheel 214 and a belt 215, a shell of the crushing motor 211 and a shell of the speed reducer 212 are in bolt connection with an installation plate 9 welded on the outer wall of the shell 1, an output shaft of the crushing motor 211 is fixedly connected with an input end of the speed reducer 212 through a coupler, an output shaft of the speed reducer 212 is in key connection with the driving wheel 213, and the driving wheel 213 and the driven wheel 214 are fixedly connected with the shell 1 through a rotating rod welded on the shell 1, the belt 215 is wound on the driving wheel 213 and the driven wheel, one end of the driving wheel 213, which is far away from the speed reducer 212, penetrates through the shell 1 and extends into the interior, and is fixedly connected with one of the crushing rollers 22 through a coupler; one side of the driven wheel 214 close to the shell 1 penetrates through the shell 1 and extends into the interior to be connected with the other crushing roller 22 through a coupling; in operation, the two crushing rollers 22 rotate in opposite directions and the crushing blocks engage one another.

Referring to fig. 2 and 3, the feeding device 3 includes a feeding cylinder 31 and a feeding plate 32, the cylinder body of the feeding cylinder 31 is rotatably connected to the outer wall of the housing 1 through a pin, the feeding plate 32 includes an integrally formed connecting plate 321 and a supporting plate 322, the connecting plate 321 is rotatably connected to the piston rod of the feeding cylinder 31 through a pin, and one side of the connecting plate 321 near the feeding port 7 is rotatably connected to the housing 1 through a pin. In order to improve the rotation stability of the feeding plate 32, a damping spring 10 is connected between the connecting plate 321 and the housing 1 through a bolt.

Referring to fig. 6, a screening device 4 is located below the discharge opening 8, the screening device 4 being used for screening metal. Screening plant 4 is including screening net 41, screening frame 42 and vibrator 43, and screening net 41 slope sets up, and screening net 41 is located screening frame 42 top, and screening frame 42 top is equipped with connecting rod 11, and screening net 41 and connecting rod 11 sliding connection, the casing of vibrator 43 pass through bolted connection in the screening net 41 be close to one side of screening frame 42.

Referring to fig. 9, in order to stabilize the vibration of the screening net 41, a connecting block 12 is disposed on a side of the screening net 41 away from the screening frame 42, a connecting groove 13 is disposed inside the housing, the connecting block 12 is disposed in the connecting groove 13 and slidably connected to the connecting groove 13, and the connecting block 12 and the connecting groove 13 can serve as a guide and a positioning function. Referring to fig. 6, the connecting rod 11 is sleeved with an elastic member 14, in this embodiment, the elastic member 14 is a spring, and the elastic member 14 can increase the vibration frequency of the sieving net 41, so as to increase the sieving efficiency of the sieving apparatus 4.

Referring to fig. 7, a conveyor 15 is further provided below the sieving net 41, the conveyor 15 is driven by a conveyor motor 16, and the conveyor 15 can convey the sieved metal, thereby reducing the phenomenon that the metal is accumulated below the sieving net 41.

Referring to fig. 7 and 8, a recycling box 17 with an upper opening is arranged on the lower side of the screening net 41, the recycling box 17 is detachably connected with a supporting plate 322, a mounting hole 18 is formed in the supporting plate 322, and the mounting hole 18 is used for allowing waste materials in the recycling box 17 to pass through. The mounting hole 18 is provided with a movable plate 19, the movable plate 19 is made of an elastic material, one side of the movable plate 19 close to the connecting plate 321 is connected with the supporting plate 322 by a bolt, the other end of the movable plate 19 is provided with an integrally formed sliding block 23, the supporting plate 322 is provided with a sliding groove 24, and the sliding block 23 is located in the sliding groove 24 and is connected with the sliding groove 24 in a sliding manner.

Referring to fig. 4 and 5, a movable cylinder 20 is disposed on one side of the movable plate 19 close to the supporting plate 322, an axis of the movable cylinder 20 is parallel to a moving direction of the movable plate 19, and a piston rod of the movable cylinder 20 is bolted to one side of the movable plate 19 far from the connecting plate 321. In the process of connecting the supporting plate 322 with the recycling bin 17, the piston rod of the movable cylinder 20 extends out and drives the end of the movable plate 19 close to the connecting plate 321 to be away from the connecting plate 321, so as to open the mounting hole 18, which is convenient for the metal in the recycling bin 17 to fall.

Referring to fig. 6 and 7, the bottom of the recycling bin 17 is provided with a lifting mechanism 25, the lifting mechanism 25 comprises a lifting cylinder 251 and a lifting plate 252, the lifting cylinder 251 is vertically arranged, the cylinder body of the upper cylinder is connected with the surface of the shell, and the lifting plate 252 is connected with the piston rod of the lifting cylinder 251 through a bolt. Referring to fig. 10, the rising plate 252 is provided with a mounting groove 26, the bottom of the recycling bin 17 is provided with a mounting table 27, and the mounting table 27 is clamped with the mounting groove 26. In order to increase the connection stability of the upper lifting plate 252 and the recycling box 17, the bottom of the installation groove 26 is connected with the magnetic block 28 through a bolt, the bottom of the recycling box 17 is connected with the iron block 29 through a bolt, and the magnetic block and the iron block 29 are mutually attracted, so that the recycling box 17 and the magnet block 29 are connected together. The four corners of the mounting groove 26 are also welded with positioning pieces 30, and the positioning pieces 30 are attached to the outer wall of the recovery box 17. In order to improve the stability of the movement of the lifting plate 252, four vertical guide rods 33 are further provided on the ground, and the guide rods 33 are slidably connected with the lifting plate 252.

Referring to fig. 3 and 8, an integrally formed limiting table 34 is arranged on the outer wall of the recycling bin 17, an integrally formed mounting block 35 is arranged below the supporting plate 322, a limiting groove 36 is formed in the mounting block 35, and the limiting table 34 is clamped with the limiting groove 36. In order to further increase the stability that collection box 17 and backup pad 322 are connected, be equipped with locking piece 37 between collection box 17 and the backup pad 322, locking piece 37 includes tapered end 371 and hasp 372, tapered end 371 welds on backup pad 322, and hasp 372 welds on collection box 17, and tapered end 371 and hasp 372 joint to the possibility that collection box 17 removed the in-process and drops has been reduced in backup pad 322.

Referring to fig. 1 and 2, a dustproof device 5 is further arranged above the feed inlet 7, the dustproof device 5 comprises a support frame 51, a dustproof shell 52 and two dustproof cylinders 53, the support frame 51 and the dustproof cylinders 53 are vertically arranged and are connected to the top end of the support frame 51 through bolts, and piston rods of the dustproof cylinders 53 perform telescopic movement. The dust-proof shell 52 comprises a top plate 521 and a plurality of dust-proof sheets 522, the top plate 521 is in bolted connection with a piston rod of the dust-proof air cylinder 53, the dust-proof sheets 522 in the embodiment are made of rubber transparent materials and are connected with the top plate 521 through screws, the dust-proof sheets 522 made of the transparent materials are convenient for monitoring by personnel, and the crushing safety of the crusher is further improved. Referring to fig. 11 and 12, the dust-proof cylinder 53 allows the position of the dust-proof case 52 to be adjusted according to the specification of metal, further increasing the flexibility of the dust-proof device 5. In order to make the moving process of the top plate 521 smoother, a sliding block 38 is disposed on one side of the top plate 521 close to the supporting frame 51, a sliding groove 39 is formed in the supporting frame 51 along the vertical direction of the supporting frame 51, and the sliding block 38 is located in the sliding groove 39 and is in sliding connection with the sliding groove 39, so that the stability of the top plate 521 in the moving process is improved.

Referring to fig. 11, a dust suction device 6 is arranged on the top plate 521, the dust suction device 6 includes a dust suction pipe 61, a fan 62 and a collection box 63, the dust suction pipe 61 includes a fixed pipe 611 and a movable pipe 612, the movable pipe 612 is made of a flexible material, a connection hole 40 is arranged on the top plate 521, one end of the fixed pipe 611 is connected with the top plate 521 at the connection hole 40 by a bolt and is communicated with the lower side of the top plate 521, the other end of the fixed pipe 611 is connected with the movable pipe 612 by a flange, one end of the movable pipe 612, which is far away from the fixed pipe 611, is connected with the collection box 63 by a bolt, and the movable pipe 612 made of the flexible material facilitates continuous dust suction in the moving process of the top plate 521; the housing of the fan 62 is connected to the inside of the fixed pipe 611 by bolts, and the rotation plane of the fan 62 is perpendicular to the axis of the fixed pipe 611.

The implementation principle of the crusher for disassembling the scraped car in the embodiment of the application is as follows: during the use, after putting the metal that will need to be broken on backup pad 322, open material loading cylinder 31, material loading cylinder 31's piston rod stretches out, promotes connecting plate 321 rotating piece and rises and rotate and be close to the material loading mouth, and connecting plate 321 drives backup pad 322 and rotates to make the metal on the backup pad 322 drop inside the casing from the material loading mouth, and drop in two crushing roller 22 tops.

Subsequently, the crushing motor 211 is turned on, the output shaft of the crushing motor 211 rotates to drive the input shaft of the speed reducer 212 to rotate, the output shaft of the speed reducer 212 drives one of the crushing rollers 22 to rotate, and the other crushing roller 22 moves in the opposite direction under the drive of metal, so that the metal is crushed.

Meanwhile, when the dustproof cylinder 53 is opened, the piston rod of the dustproof cylinder 53 moves and drives the top plate 521 to move, and the top plate 521 drives the baffle plate to move, so that the scattering range of dust is limited. The fan 62 is turned on, the fan 62 rotates, and dust and metal debris are sucked into the stationary pipe 611 from the connection hole 40 by the fan 62 and then pass through the movable pipe 612 into the collection tank 63.

The crushed metal falls onto the screening net 41, the vibrator 43 is turned on, the vibrator 43 drives the screening net 41 to vibrate, and small pieces of metal fall onto a conveying belt below from meshes of the screen mesh so as to be convenient for next treatment; large pieces of metal are moved to the lower side of the sieving mesh 41 by the vibration of the vibrator 43 and fall into the recovery box 17 below.

When the metal in the recycling bin 17 is more, the ascending cylinder 251 is opened, the piston rod of the ascending cylinder 251 extends out, and the ascending plate 252 and the recycling bin 17 are pushed to be close to the supporting plate 322; meanwhile, when the movable cylinder 20 is opened, the piston rod of the movable cylinder 20 contracts and drives the movable plate 19 to approach the connecting plate 321, thereby opening the mounting hole 18 so that the recycling bin 17 is connected with the supporting plate 322.

When the limiting table 34 on the recycling bin 17 is clamped with the limiting groove 36 on the supporting plate 322, the locking head 371 is close to the lock catch 372, and the recycling bin 17 is further fixed with the supporting plate 322. After the fixing, the feeding cylinder 31 is opened, the feeding cylinder 31 drives the feeding plate 32 and the recycling bin 17 to be close to the feeding port, and the metal in the recycling bin 17 is guided into the shell 1 to be crushed again.

After the process, the piston rod of the feeding cylinder 31 contracts to drive the feeding plate 32 and the recovery box 17 to be close to the ascending plate 252, and in the process that the recovery box 17 is close to the ascending plate 252, when the mounting groove 26 on the ascending plate 252 is clamped with the mounting table 27, the lock head 371 is far away from the lock catch 372, so that the recovery box 17 is separated from the support plate 322; at this time, the magnetic block 28 at the bottom of the mounting groove 26 is attached to the iron block 29 at the bottom of the recycling bin 17, and the piston rod of the ascending cylinder 251 is contracted to drive the recycling bin 17 to return to the original position, so that the metal can be recycled subsequently. The application embodiment a scraped car disassembles and uses breaker not only has the crushing efficiency who promotes the breaker and the effect of safety in utilization.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A crusher for disassembling scraped cars comprises a shell (1) and a crushing device (2), wherein a feeding hole (7) and a discharging hole (8) are formed in the shell (1), the crushing device (2) comprises a driving machine (21) and two crushing rollers (22) which are parallel to each other, the driving machine (21) is positioned on the outer side of the shell (1), the crushing rollers (22) are positioned inside the shell (1), the crushing device (2) is positioned between the feeding hole (7) and the discharging hole (8), the crusher is characterized by further comprising a feeding device (3) and a screening device (4), the feeding device (3) comprises a feeding cylinder (31) and a feeding plate (32), the feeding cylinder (31) is rotatably connected with the outer wall of the shell (1), the feeding plate (32) comprises a connecting plate (321) and a supporting plate (322), and the connecting plate (321) is rotatably connected with a piston rod of the feeding cylinder (31), one side of the connecting plate (321) close to the feed inlet (7) is rotatably connected with the shell (1), and the other side of the connecting plate is connected with the supporting plate (322); the screening device (4) is positioned below the discharge hole (8), and the screening device (4) is used for screening metal; the screening device (4) comprises a screening net (41), a screening frame (42) and a vibrator (43), the screening net (41) is obliquely arranged, the screening frame (42) is connected with the screening net (41), the screening net (41) is connected with the inner wall of the shell (1) in a sliding mode, and one side, close to the screening frame (42), of the screening net (41) is connected with the vibrator (43); a recovery box (17) with an opening at the upper part is arranged at the lower side of the screening net (41), the recovery box (17) is detachably connected with a support plate (322), a mounting hole (18) is formed in the support plate (322), and the mounting hole (18) is used for allowing waste materials in the recovery box (17) to pass through; the device is characterized in that a movable plate (19) is arranged at the mounting hole (18), the movable plate (19) is made of elastic materials, one side, close to a connecting plate (321), of the movable plate (19) is fixedly connected with a supporting plate (322), the other end of the movable plate is in sliding connection with the supporting plate (322), a movable air cylinder (20) is arranged at one side, close to the supporting plate (322), of the movable plate (19), the axis of the movable air cylinder (20) is parallel to the moving direction of the movable plate (19), a piston rod of the movable air cylinder (20) is connected with one side, far away from the connecting plate (321), of the movable plate (19), the recycling box (17) is located at one side, close to the feeding plate (32), a lifting mechanism (25) is arranged at the bottom of the recycling box (17), the lifting mechanism (25) comprises a lifting air cylinder (251) and a lifting plate (252), the lifting air cylinder (251) is vertically arranged, and the lifting plate (252) is connected with the piston rod of the lifting air cylinder (251), the recovery tank (17) is connected to a rising plate (252).

2. The crusher for disassembling scraped cars according to claim 1, characterized in that the outer wall of the recycling bin (17) is provided with a limiting table (34), a limiting groove (36) is provided below the supporting plate (322), and the limiting table (34) is matched with the limiting groove (36).

3. The crusher for disassembling the scraped car according to claim 1, wherein a dust-proof device (5) is further arranged at the feed port (7), the dust-proof device (5) comprises a support frame (51), a dust-proof shell (52) and a dust-proof cylinder (53), the support frame (51) and the dust-proof cylinder (53) are both vertically arranged, and the dust-proof cylinder (53) is connected with the support frame (51); and a piston rod of the dustproof air cylinder (53) is connected with the dustproof shell (52).

4. The crusher for disassembling the scraped car according to claim 3, wherein a dust suction device (6) is arranged above the dust-proof shell (52), the dust suction device (6) comprises a dust suction pipe (61), a fan (62) and a collection box (63), one end of the dust suction pipe (61) is connected with the dust-proof shell (52) and communicated with the interior of the dust-proof shell (52), and the other end of the dust suction pipe is connected with the collection box (63); the fan (62) is connected to the inside of the fixed pipe (611), and the rotation plane of the fan (62) is perpendicular to the axis of the fixed pipe (611).