CN113458944A

CN113458944A - Waste steel is retrieved with rust cleaning assembly line

Info

Publication number: CN113458944A
Application number: CN202110880066.4A
Authority: CN
Inventors: 包松富
Original assignee: Deqing Taixin Metal Products Co Ltd
Current assignee: Deqing Taixin Metal Products Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-10-01

Abstract

The invention provides a derusting assembly line for waste steel recovery, which relates to the technical field of steel recovery and comprises a pushing assembly and a derusting assembly, wherein the derusting assembly is arranged on the left side of the pushing assembly, the pushing assembly comprises a pushing table and a pushing plate, the pushing plate is movably arranged on the pushing table and driven by a driving assembly to move, pushing grooves are formed in the front end and the rear end of the top of the pushing table, and clamping assemblies are arranged at the front end and the rear end of the lower part of the left side of the pushing plate; according to the invention, one end of the steel plate is clamped by the clamping assembly, the push plate is driven by the driving assembly to move to send the steel plate into the rust removal assembly for rust removal, after one surface is subjected to rust removal, the steel plate is pulled out by resetting the push plate and the fixation of the clamping assembly is released, the sliding block is pushed by the first pneumatic cylinder to descend to the adaptation groove along the sliding groove, so that the clamping jaw enters the adaptation groove and clamps the steel plate by extending of the second pneumatic cylinder, then the sliding block ascends, the rotary table rotates to turn the steel plate to one surface for rust removal, and manual turning is not needed.

Description

Waste steel is retrieved with rust cleaning assembly line

Technical Field

The invention relates to the technical field of steel recovery, in particular to a derusting assembly line for waste steel recovery.

Background

Steel is an alloy formed by combining iron and other elements, wherein the most common is carbon, sometimes the used alloy elements also comprise manganese, chromium, vanadium and tungsten, the carbon and other elements have the function of a hardening agent, the dislocation of crystal lattices of iron atoms caused by the slippage of the atoms through other atoms can be prevented, the quantity of the alloy elements and the form of the alloy elements existing in the steel can be adjusted, and the characteristics of the steel finished product, such as hardness, ductility and strength, can be controlled;

if the steel is improperly used or stored for too long, rust is easily generated on the surface of the steel, so that a rust removing device is needed in the process of recycling some old steel.

Disclosure of Invention

In order to solve the problems, the invention provides a derusting assembly line for waste steel recovery, which can turn over a steel iron plate on one side and then put down for derusting on the other side, does not need manual turning of workers and has high efficiency.

In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a derusting assembly line for recycling waste steel comprises a pushing assembly and a derusting assembly, wherein the derusting assembly is arranged on the left side of the pushing assembly, the pushing assembly comprises a pushing table and a pushing plate, the pushing plate is movably arranged on the pushing table and driven to move by a driving assembly, pushing grooves are formed in the front end and the rear end of the top of the pushing table, clamping assemblies are arranged at the front end and the rear end of the lower portion of the left side of the pushing plate, the clamping assemblies are located in the pushing grooves, a turnover seat is arranged at the middle position of the pushing plate, a sliding groove is formed in the left side of the turnover seat, a sliding block is movably mounted on the sliding groove, a first pneumatic cylinder is arranged at the top of the turnover seat, the output end of the first pneumatic cylinder is connected with the sliding block, a rotary table is rotatably mounted on the left side of the sliding block through a driving motor, a second pneumatic cylinder is arranged on the left side of the rotary table, and a clamping jaw is arranged at the output end of the second pneumatic cylinder, an adaptive groove is formed in the middle of the top of the pushing table and is matched with the clamping jaw;

the rust removal assembly comprises a rust removal platform, a spraying part and a polishing part, wherein the spraying part and the polishing part are sequentially arranged on the rust removal platform from right to left.

The further improvement lies in that: the centre gripping subassembly includes layer board and curb plate, the opening part in layer board top and propelling movement groove is located the coplanar, the curb plate is established at the front and back end at layer board top, and the inboard rotation of curb plate is equipped with the cardboard, the right side on the cardboard is rotated and is equipped with the runner, the right side at layer board top is equipped with the third pneumatic cylinder, and the output of third pneumatic cylinder is equipped with the triangle body ejector pad, the triangle body ejector pad is used for promoting the cardboard and rotates.

The further improvement lies in that: the clamping jaw includes the claw body and arm lock, the both sides of the internal portion of claw all articulate there is the arm lock, and two sets of the left side of arm lock all is equipped with splint, and is two sets of the articulated department of arm lock all is equipped with the half-gear, the right side of the internal portion of claw is equipped with servo motor, and servo motor's output is equipped with the worm with half-gear looks adaptation.

The further improvement lies in that: the drive assembly comprises guide wheels, conveying belts and servo motors, the guide wheels are installed on the two sides of the front end and the rear end of the pushing table in a rotating mode, the guide wheels are arranged on the same end of the pushing table in a rotating mode, the conveying belts are arranged on the guide wheels in a winding mode, the servo motors are arranged in two groups of the front end and the rear end, the output ends of the servo motors are connected with the guide wheels on the right sides of the front end and the rear end respectively, and connecting plates are connected between the conveying belts of the front end and the rear end of the pushing plate.

The further improvement lies in that: the rust removing device is characterized in that a rust remover box is arranged at the bottom of the rust removing table, the spraying part comprises a support plate, a liquid collecting bin and a spray head, the liquid collecting bin is arranged on the support plate, the spray head is communicated below the liquid collecting bin, a water pump is arranged on the liquid collecting bin, the input end of the water pump is connected with the rust remover box through a suction pipe, and the output end of the water pump is communicated with the liquid collecting bin.

The further improvement lies in that: the portion of polishing includes U type frame and guide rail, the both sides at U type frame top all are equipped with the guide rail, and movable mounting has the slide on the guide rail, the left top of slide articulates there is the support arm, and the left end of support arm is equipped with the fourth pneumatic cylinder, the left below of slide articulates there is electric telescopic handle, and electric telescopic handle's output with the fourth pneumatic cylinder is articulated, the output of fourth pneumatic cylinder is equipped with the rust cleaning polisher.

The further improvement lies in that: the front end and the rear end of the middle position of the top of the U-shaped frame are respectively provided with a first shaft plate, the inner sides of the first shaft plates are rotatably provided with a threaded lead screw and are driven to rotate by a driving motor, and the threaded lead screw penetrates through the sliding plate and is matched with threads.

The further improvement lies in that: the top of the rust removing table is provided with water leakage holes, a plurality of groups of water leakage holes are arranged at equal intervals, and a rust remover box is communicated below the water leakage holes.

The further improvement lies in that: the left front end and the left back end of the derusting platform are both provided with a second shaft plate, the inner side of the second shaft plate is rotated to install a pushing roller, the pushing roller is driven to rotate through a driving motor, and the left side of the derusting assembly is provided with a cleaning assembly.

The further improvement lies in that: the cleaning assembly comprises a cleaning box, cleaning liquid and an ultrasonic generator, wherein the cleaning liquid is arranged inside the cleaning box, and the ultrasonic generator is arranged in the inner wall of the cleaning box.

The invention has the beneficial effects that:

1. according to the invention, one end of the steel plate is clamped by the clamping assembly, the push plate is driven by the driving assembly to move to send the steel plate into the rust removal assembly, the steel plate is sequentially subjected to rust removal by the spraying part and the polishing part, after one surface is subjected to rust removal, the steel plate is pulled out by resetting the push plate and the clamping assembly is released, the sliding block is pushed by the first pneumatic cylinder to descend to the adaptation groove along the sliding groove, so that the clamping jaw enters the adaptation groove and clamps the steel plate by extending the second pneumatic cylinder, then the sliding block ascends, the rotary table rotates to turn over one surface of the steel plate, then the steel plate is put down to perform rust removal on the other surface, manual turning of workers is not required, and the efficiency is high.

2. The rust remover comprises a spraying part, a polishing part, a liquid collecting bin, a push plate, a sliding plate, a spraying part, a polishing part, a grinding part, a spraying part, a polishing part and a grinding part, wherein the spraying part and the polishing part are used for removing rust, the water pump is used for inputting the rust remover in a rust remover box into the liquid collecting bin, the rust remover is sprayed out from the spray head to the steel iron plate for chemical rust removal, and then the rust removing is performed by polishing and rust removing through the rust removing polisher.

3. After rust removal, the steel plate can be pushed into the cleaning box through the rotation of the pushing roller, and the steel plate is cleaned through the cooperation of the ultrasonic generator and the cleaning liquid, so that adsorbed rust can be removed conveniently, and the multifunctional steel plate cleaning machine is diversified in functions.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic diagram of a pushing assembly according to the present invention;

FIG. 3 is a schematic view of a clamping assembly of the present invention;

FIG. 4 is a schematic view of a jaw of the present invention;

FIG. 5 is a schematic view of the rust removing assembly of the present invention;

FIG. 6 is a schematic view of a cleaning assembly of the present invention.

Wherein: 1. a push assembly; 2. a rust removal assembly; 3. a pushing table; 4. pushing the plate; 5. a push tank; 6. a clamping assembly; 7. a turning seat; 8. a chute; 9. a slider; 10. a first pneumatic cylinder; 11. a turntable; 12. a second pneumatic cylinder; 13. a clamping jaw; 14. an adaptation groove; 15. a derusting table; 16. a support plate; 17. a side plate; 18. clamping a plate; 19. a rotating wheel; 20. a third pneumatic cylinder; 21. a triangular push block; 22. a claw body; 23. clamping arms; 24. a splint; 25. a half gear; 26. a servo motor; 27. a worm; 28. a guide wheel; 29. a conveyor belt; 30. a servo motor; 31. a connecting plate; 32. a rust remover box; 33. a support plate; 34. a liquid collecting bin; 35. a spray head; 36. a water pump; 37. a straw; 38. a U-shaped frame; 39. a guide rail; 40. a slide plate; 41. a support arm; 42. a fourth pneumatic cylinder; 43. an electric telescopic rod; 44. a rust removal polisher; 45. a first shaft plate; 46. a threaded lead screw; 47. a water leakage hole; 48. a second shaft plate; 49. a pushing roller; 50. cleaning the assembly; 51. a cleaning tank; 52. cleaning fluid; 53. an ultrasonic generator.

Detailed Description

In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.

Example one

As shown in fig. 1, 2, 3, 4, and 5, the embodiment provides a derusting assembly line for recycling waste steel, which includes a pushing assembly 1 and a derusting assembly 2, the derusting assembly 2 is disposed on the left side of the pushing assembly 1, the pushing assembly 1 includes a pushing table 3 and a pushing plate 4, the pushing plate 4 is movably disposed on the pushing table 3 and is driven by a driving assembly to move, pushing grooves 5 are disposed at the front and rear ends of the top of the pushing table 3, clamping assemblies 6 are disposed at the front and rear ends of the lower portion of the left side of the pushing plate 4, the clamping assemblies 6 are located in the pushing grooves 5, a turning seat 7 is disposed at the middle position of the pushing plate 4, a chute 8 is disposed at the left side of the turning seat 7, a sliding block 9 is movably mounted on the chute 8, a first pneumatic cylinder 10 is disposed at the top of the turning seat 7, the output end of the first pneumatic cylinder 10 is connected with the sliding block 9, a turntable 11 is rotatably mounted on the left side of the sliding block 9 by the driving motor, a second pneumatic cylinder 12 is arranged on the left side of the rotary table 11, a clamping jaw 13 is arranged at the output end of the second pneumatic cylinder 12, an adaptive groove 14 is formed in the middle of the top of the pushing table 3, and the adaptive groove 14 is matched with the clamping jaw 13;

the rust removing assembly 2 comprises a rust removing table 15, a spraying part and a polishing part, wherein the spraying part and the polishing part are sequentially arranged on the rust removing table 15 from right to left. During the use, put the steel sheet board on propelling movement platform 3, the one end of steel sheet board is held through centre gripping subassembly 6 centre gripping, move through drive assembly drive push pedal 4 and deliver to rust cleaning subassembly 2 with the steel sheet board in, utilize the portion of spraying and the portion of polishing to rust cleaning the steel sheet board in proper order, after a face rust cleaning, utilize push pedal 4 to reset and pull out the steel sheet board and remove centre gripping subassembly 6 fixed, promote slider 9 through first pneumatic cylinder 10 and descend to adaptation groove 14 department along spout 8, make clamping jaw 13 get into adaptation groove 14 and hold the steel sheet board through second pneumatic cylinder 12 extension, slider 9 rises after that, carousel 11 is rotatory can be with steel sheet board upset one face, put down and carry out the rust cleaning of another face.

The centre gripping subassembly 6 includes layer board 16 and curb plate 17, the opening part at 16 tops of layer board and propelling movement groove 5 is located the coplanar, curb plate 17 is established at the front and back end at 16 tops of layer board, and the inboard rotation of curb plate 17 is equipped with cardboard 18, the right side rotation on the cardboard 18 is equipped with runner 19, the right side at 16 tops of layer board is equipped with third pneumatic cylinder 20, and the output of third pneumatic cylinder 20 is equipped with triangle body ejector pad 21, triangle body ejector pad 21 is used for promoting cardboard 18 and rotates. When the steel iron plate clamping device is used, the third pneumatic cylinder 20 pushes the triangular pushing block 21, the inclined surface of the triangular pushing block 21 pushes the clamping plate 18 to rotate, and the supporting plate 16 is matched to clamp one end of the steel iron plate.

Clamping jaw 13 includes claw body 22 and arm lock 23, the inside both sides of claw body 22 all articulate has arm lock 23, and two sets of the left side of arm lock 23 all is equipped with splint 24, and is two sets of articulated department of arm lock 23 all is equipped with half-gear 25, the inside right side of claw body 22 is equipped with servo motor 26, and servo motor 26's output be equipped with the worm 27 of half-gear 25 looks adaptation. In use, the servo motor 26 drives the worm 27 to rotate, and the worm 27 drives the half gear 25 to rotate, so as to drive the clamping arm 23 to rotate and clamp one end of the steel plate.

The driving assembly comprises guide wheels 28, a conveying belt 29 and a servo motor 30, the guide wheels 28 are installed on two sides of the front end and the rear end of the pushing table 3 in a rotating mode, the guide wheels 28 are arranged on the same end in a rotating mode, the conveying belt 29 is arranged on the guide wheels 28 in a winding mode, the servo motor 30 is provided with two sets of front ends and two sets of rear ends, the output ends of the servo motor 30 are respectively connected with the guide wheels 28 on the right sides of the front ends and the rear ends, and connecting plates 31 are connected between the front ends and the rear ends of the pushing plate 4 and the conveying belts 29. When the device is used, the servo motor 30 drives the guide wheel 28 to rotate, the guide wheel 28 drives the conveying belt 29 to run, and the connecting plate 31 and the push plate 4 are driven to move to push the steel plate.

The rust remover is characterized in that a rust remover box 32 is arranged at the bottom of the rust removing table 15, the spraying part comprises a support plate 33, a liquid collecting bin 34 and a spray head 35, the liquid collecting bin 34 is arranged on the support plate 33, the spray head 35 is communicated below the liquid collecting bin 34, a water pump 36 is arranged on the liquid collecting bin 34, the input end of the water pump 36 is connected with the rust remover box 32 through a suction pipe 37, and the output end of the water pump 36 is communicated with the liquid collecting bin 34. When in use, the rust remover in the rust remover box 32 is input into the liquid collecting bin 34 through the water pump 36 and sprayed out from the spray head 35 to the steel plate for chemical rust removal

The portion of polishing includes U type frame 38 and guide rail 39, the both sides at U type frame 38 top all are equipped with guide rail 39, and movable mounting has slide 40 on the guide rail 39, the left top of slide 40 articulates there is support arm 41, and support arm 41's left end is equipped with fourth pneumatic cylinder 42, the left below of slide 40 articulates there is electric telescopic handle 43, and electric telescopic handle 43's output with fourth pneumatic cylinder 42 articulates, fourth pneumatic cylinder 42's output is equipped with rust cleaning polisher 44. The front end and the rear end of the middle position of the top of the U-shaped frame 38 are both provided with first shaft plates 45, the inner sides of the first shaft plates 45 are rotatably provided with threaded screw rods 46 and are driven to rotate through a driving motor, and the threaded screw rods 46 penetrate through the sliding plate 40 and are in threaded adaptation. The top of the rust removing table 15 is provided with water leakage holes 47, a plurality of groups of water leakage holes 47 are arranged at equal intervals, and the lower part of each water leakage hole 47 is communicated with the rust remover box 32. During the use, polish the rust cleaning through rust cleaning polisher 44, the in-process of rust cleaning of polishing, along with push pedal 4 propelling movement steel sheet, screw lead screw 46 drives slide 40 along guide rail 39 seesaw for rust cleaning polisher 44 seesaw is polished steel sheet, and cooperation electric telescopic handle 43 promotes the slope of fourth pneumatic cylinder 42, makes things convenient for the multi-angle rust cleaning, and at the rust cleaning in-process, rust remover and rust water flow back to rust remover case 32 along water leakage hole 47.

Example two

As shown in fig. 1, 2, 5, and 6, the embodiment provides a derusting assembly line for recycling waste steel, which includes a pushing assembly 1 and a derusting assembly 2, the derusting assembly 2 is disposed on the left side of the pushing assembly 1, the pushing assembly 1 includes a pushing table 3 and a pushing plate 4, the pushing plate 4 is movably disposed on the pushing table 3 and driven by a driving assembly to move, pushing grooves 5 are disposed at the front and rear ends of the top of the pushing table 3, clamping assemblies 6 are disposed at the front and rear ends of the lower portion of the left side of the pushing plate 4, the clamping assemblies 6 are located in the pushing grooves 5, a turning seat 7 is disposed at the middle position of the pushing plate 4, a sliding groove 8 is disposed at the left side of the turning seat 7, a sliding block 9 is movably mounted on the sliding groove 8, a first pneumatic cylinder 10 is disposed at the top of the turning seat 7, the output end of the first pneumatic cylinder 10 is connected with the sliding block 9, a turntable 11 is rotatably mounted on the left side of the sliding block 9 by the driving motor, a second pneumatic cylinder 12 is arranged on the left side of the rotary table 11, a clamping jaw 13 is arranged at the output end of the second pneumatic cylinder 12, an adaptive groove 14 is formed in the middle of the top of the pushing table 3, and the adaptive groove 14 is matched with the clamping jaw 13;

The left front end and the left rear end of the derusting table 15 are both provided with second shaft plates 48, the pushing rollers 49 are installed on the inner sides of the second shaft plates 48 in a rotating mode, the pushing rollers 49 are driven to rotate through driving motors, and the cleaning assembly 50 is arranged on the left side of the derusting assembly 2. The cleaning assembly 50 comprises a cleaning tank 51, a cleaning liquid 52 and an ultrasonic generator 53, wherein the cleaning liquid 52 is arranged inside the cleaning tank 51, and the ultrasonic generator 53 is arranged inside the inner wall of the cleaning tank 51. When the rust remover is used, the pushing roller 49 rotates to push the steel plate into the cleaning box 51, and the ultrasonic generator 53 is matched with the cleaning liquid 52 to clean the steel plate, so that adsorbed rust can be removed conveniently.

The waste steel recycling rust removal production line clamps one end of a steel plate through a clamping component 6, the steel plate is conveyed into a rust removal component 2 by driving a push plate 4 to move through a driving component, the steel plate is sequentially subjected to rust removal through a spraying part and a polishing part, after one surface is subjected to rust removal, the steel plate is pulled out by resetting the push plate 4 and the fixation of the clamping component 6 is released, a slide block 9 is pushed to descend to an adaptation groove 14 along a sliding groove 8 through a first pneumatic cylinder 10, a clamping jaw 13 enters the adaptation groove 14 and clamps the steel plate through the extension of a second pneumatic cylinder 12, then the slide block 9 ascends, a rotary disc 11 rotates to turn over the steel plate on one surface and then put down to perform rust removal on the other surface, manual turning of workers is not needed, the efficiency is high, rust removal is performed through the spraying part and the polishing part, a rust remover in a rust remover box 32 is input into a liquid collecting bin 34 through a water pump 36, and the rust remover is sprayed out from a spray nozzle 35 to the steel plate to perform chemical rust removal, the rust cleaning is carried out through the rust cleaning polisher 44, the in-process of the rust cleaning is polished, the steel plate is pushed to advance along the push plate 4, the sliding plate 40 moves along the guide rail 39, the steel plate is polished through the front-and-back movement of the rust cleaning polisher 44, the fourth air cylinder 42 is pushed to incline through the cooperation of the electric telescopic rod 43, multi-angle rust cleaning is convenient, the rust cleaning effect is better, no dead angle is formed in the rust cleaning, in addition, after the rust cleaning, the steel plate can be pushed to the cleaning box 51 through the rotation of the push roller 49, the steel plate is cleaned through the cooperation of the ultrasonic generator 53 and the cleaning liquid 52, the adsorption rust cleaning is convenient to remove, and the functions are diversified.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a old and useless steel is retrieved with rust cleaning assembly line, includes propelling movement subassembly (1) and rust cleaning subassembly (2), its characterized in that: the rust removal component (2) is arranged on the left side of the pushing component (1), the pushing component (1) comprises a pushing table (3) and a pushing plate (4), the pushing plate (4) is movably arranged on the pushing table (3) and moves through a driving component, pushing grooves (5) are formed in the front end and the rear end of the top of the pushing table (3), clamping components (6) are arranged at the front end and the rear end of the lower portion of the left side of the pushing plate (4), the clamping components (6) are located in the pushing grooves (5), a turnover seat (7) is arranged at the middle position of the pushing plate (4), a sliding groove (8) is formed in the left side of the turnover seat (7), a sliding block (9) is movably arranged on the sliding groove (8), a first air cylinder (10) is arranged at the top of the turnover seat (7), the output end of the first air cylinder (10) is connected with the sliding block (9), a rotary table (11) is rotatably arranged on the left side of the sliding block (9) through a driving motor, a second pneumatic cylinder (12) is arranged on the left side of the rotary table (11), a clamping jaw (13) is arranged at the output end of the second pneumatic cylinder (12), an adaptive groove (14) is formed in the middle of the top of the pushing table (3), and the adaptive groove (14) is adaptive to the clamping jaw (13);

the rust removal assembly (2) comprises a rust removal platform (15), a spraying part and a polishing part, wherein the spraying part and the polishing part are sequentially arranged on the rust removal platform (15) from right to left.

2. The derusting assembly line for waste steel recovery according to claim 1, wherein: centre gripping subassembly (6) are including layer board (16) and curb plate (17), the opening part at layer board (16) top and propelling movement groove (5) is located the coplanar, curb plate (17) are established at the front and back end at layer board (16) top, and the inboard rotation of curb plate (17) is equipped with cardboard (18), the right side rotation on cardboard (18) is equipped with runner (19), the right side at layer board (16) top is equipped with third pneumatic cylinder (20), and the output of third pneumatic cylinder (20) is equipped with triangle body ejector pad (21), triangle body ejector pad (21) are used for promoting cardboard (18) and rotate.

3. The derusting assembly line for waste steel recovery as recited in claim 2, wherein: clamping jaw (13) are including the claw body (22) and arm lock (23), the inside both sides of the claw body (22) all articulate there is arm lock (23), and two sets of the left side of arm lock (23) all is equipped with splint (24), and is two sets of the articulated department of arm lock (23) all is equipped with half-gear (25), the inside right side of the claw body (22) is equipped with servo motor (26), and the output of servo motor (26) is equipped with worm (27) with half-gear (25) looks adaptation.

4. The derusting assembly line for waste steel recovery according to claim 3, wherein: drive assembly includes guide pulley (28), conveyer belt (29) and servo motor (30), the both sides of propelling movement platform (3) front and back end are all rotated and are installed guide pulley (28), and are two sets of with the end all around being equipped with conveyer belt (29) on guide pulley (28), servo motor (30) are equipped with the front and back end two sets ofly, and the front and back end two sets of the output of servo motor (30) respectively with front and back end right side guide pulley (28) are connected, the front and back end and the front and back end of push pedal (4) are connected with connecting plate (31) between conveyer belt (29).

5. The derusting assembly line for waste steel recovery according to claim 1, wherein: the rust removing device is characterized in that a rust remover box (32) is arranged at the bottom of the rust removing table (15), the spraying part comprises a support plate (33), a liquid collecting bin (34) and a spray head (35), the liquid collecting bin (34) is arranged on the support plate (33), the spray head (35) is communicated below the liquid collecting bin (34), a water pump (36) is arranged on the liquid collecting bin (34), the input end of the water pump (36) is connected with the rust remover box (32) through a suction pipe (37), and the output end of the water pump (36) is communicated with the liquid collecting bin (34).

6. The derusting assembly line for waste steel recovery according to claim 5, wherein: the portion of polishing includes U type frame (38) and guide rail (39), the both sides at U type frame (38) top all are equipped with guide rail (39), and movable mounting has slide (40) on guide rail (39), the left top of slide (40) articulates there is support arm (41), and the left end of support arm (41) is equipped with fourth pneumatic cylinder (42), the left below of slide (40) articulates there is electric telescopic handle (43), and the output of electric telescopic handle (43) with fourth pneumatic cylinder (42) are articulated, the output of fourth pneumatic cylinder (42) is equipped with rust cleaning polisher (44).

7. The derusting assembly line for waste steel recovery according to claim 6, wherein: the front end and the rear end of the middle position of the top of the U-shaped frame (38) are respectively provided with a first shaft plate (45), the inner side of the first shaft plate (45) is rotatably provided with a threaded screw rod (46) and is driven to rotate through a driving motor, and the threaded screw rod (46) penetrates through the sliding plate (40) and is in thread matching.

8. The derusting assembly line for recycling waste steel according to claim 7, wherein: the top of rust removing platform (15) is equipped with hole (47) that leaks, and hole (47) that leaks equidistance is equipped with the multiunit, the below intercommunication rust remover case (32) in hole (47) that leaks.

9. The derusting line for recycling waste steel according to any one of claims 1 to 8, wherein: the left front end and the left rear end of the derusting table (15) are both provided with a second shaft plate (48), the inner side of the second shaft plate (48) is rotated to install a pushing roller (49), the pushing roller (49) is driven to rotate through a driving motor, and the left side of the derusting assembly (2) is provided with a cleaning assembly (50).

10. The derusting assembly line for recycling waste steel according to claim 9, wherein: the cleaning assembly (50) comprises a cleaning box (51), cleaning liquid (52) and an ultrasonic generator (53), wherein the cleaning liquid (52) is arranged inside the cleaning box (51), and the ultrasonic generator (53) is arranged in the inner wall of the cleaning box (51).