Rust removal device for steel structure machining

By designing a rust removal device for steel structure processing, the third through hole, transmission device and transmission roller are used to achieve comprehensive sandblasting and rust removal of the steel structure, and centralized sandblasting recycling is carried out through the pump and connecting pipe, the problems of low rust removal efficiency and inconvenient sandblasting recovery in the existing technology are solved, and efficient and convenient rust removal and sandblasting recovery of steel structures are achieved.

CN222755200UActive Publication Date: 2025-04-15JIANGSU SUYA STEEL STRUCTURE CO LTD
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Patent Information

Application Number
CN202420911068.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-04-15
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The existing steel structure surface rust removal device needs to be turned over and continued to remove rust after one side of the steel structure, resulting in low rust removal efficiency, inconvenient for comprehensive rust removal, and inconvenient for centralized recycling of sandblasting, reducing the efficiency of use.

Method used

A rust removal device including a workbench, a pump, a shell and a fixing plate is designed. The steel structure is fully blasted and rust removal through the third through hole, a transmission device and a transmission roller, and the storage box is extracted through the air pump and the connecting pipe, and the sandblasting is centrally recovered and blasted.

Benefits of technology

The comprehensive rust removal of steel structures is achieved, and the efficiency of rust removal is improved, making the rust removal of steel structures save time and effort, and is easy to use. It also improves the centralized recycling efficiency of sandblasting and improves the efficiency of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a derusting device for steel structure processing in the field of steel structure processing equipment, which comprises a workbench, a sucking pump, a shell and a fixing plate, the sucking pump is fixedly connected to the left side of the bottom of an inner cavity of the workbench, the shell is fixedly connected to the top of the workbench, and the fixing plate is fixedly connected to the bottom of the inner cavity of the workbench. The fixing plate is fixedly connected to the middle of the lower side of the front side wall and the middle of the lower side of the rear side wall of the shell, a first through hole is formed in the middle of the top of the workbench, a guide hopper is fixedly connected to the middle of the top of an inner cavity of the workbench, and transverse plates are fixedly connected between the left side and the right side of the bottom of the inner cavity of the workbench and the left side and the right side of the bottom of the guide hopper. According to the rust removal device for steel structure machining, comprehensive rust removal is facilitated, the rust removal efficiency is high, so that time and labor are saved during steel structure rust removal, use is convenient, blasting sand used by the steel structure surface rust removal device is conveniently recycled in a centralized mode, and the use efficiency of the steel structure surface rust removal device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel structure processing equipment, in particular to a rust removal device used for steel structure processing. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. The components or parts are usually connected by welds, bolts or rivets. Steel structure is easy to rust, so the steel structure needs to be derusted using a steel structure surface derusting device before undergoing the spraying process.

[0003] At present, in the process of using the rust removal device on the surface of steel structure, since the existing rust removal device on the surface of steel structure needs to turn over the steel structure to continue rust removal after rust removal on one side of the steel structure, the rust removal efficiency is low and it is not convenient to remove the rust comprehensively, resulting in time-consuming and labor-intensive rust removal of the steel structure and inconvenient use. At the same time, it is not convenient to centrally recycle the sandblasting used by the rust removal device on the surface of steel structure, which reduces the use efficiency of the rust removal device on the surface of steel structure. For this reason, we propose a rust removal device for steel structure processing. Utility Model Content

[0004] The purpose of the utility model is to provide a rust removal device for steel structure processing, so as to solve the problem proposed in the above background technology that the existing steel structure surface rust removal device needs to flip the steel structure to continue rust removal after rust removal on one side of the steel structure, the rust removal efficiency is low, and it is not convenient to remove rust comprehensively, resulting in time-consuming and labor-intensive rust removal of the steel structure, and inconvenient to use. At the same time, it is not convenient to centrally recover the sandblasting used by the steel structure surface rust removal device, which reduces the use efficiency of the steel structure surface rust removal device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rust removal device for steel structure processing, comprising a workbench, an air pump, a shell and a fixed plate, the air pump is fixedly connected to the left side of the bottom of the inner cavity of the workbench, the shell is fixedly connected to the top of the workbench, the fixed plate is fixedly connected to the middle of the lower side of the front and rear side walls of the shell, a first through hole is opened in the middle of the top of the workbench, a guide bucket is fixedly connected to the middle of the top of the inner cavity of the workbench, a horizontal plate is fixedly connected between the left and right sides of the bottom of the inner cavity of the workbench and the left and right sides of the bottom of the guide bucket, a storage box is inserted in the middle of the lower side of the front side wall of the workbench, support rods are fixedly connected to the left and right sides of the front and rear side walls of the inner cavity of the first through hole, a positioning plate is fixedly connected between the ends of the support rods, a first nozzle is fixedly connected to the top of the positioning plate, the left and right side walls of the positioning plate are fixedly connected to the guide plate, a first sandblasting device is fixedly connected to the lower side of the right side wall of the inner cavity of the workbench, a transmission device is fixedly connected to the left and right sides of the top of the workbench, and an input end of the air pump is plugged into A second connecting pipe is provided, and the second connecting pipe is plugged into the upper side of the left side wall of the left side horizontal plate, a top plate is fixedly connected to the middle of the top of the inner cavity of the shell, and the four corners of the bottom of the top plate are fixedly connected to the first electric telescopic rod, a first push plate is fixedly connected between the output ends of the first electric telescopic rod, a second sandblasting device is fixedly connected to the left side of the top of the first push plate, a second conduit is plugged into the output end of the second sandblasting device, and the second conduit is plugged in the middle of the top of the first push plate, and a second nozzle is fixedly connected to the end of the second conduit, and a third through hole is opened in the middle of the lower side of the left and right side walls of the shell, the second electric telescopic rod is fixedly connected to the left and right sides of the inner side wall of the fixed plate, a second push plate is fixedly connected between the output ends of the second electric telescopic rod, a baffle is fixedly connected to the left and right sides of the inner side wall of the second push plate, a third sandblasting device is fixedly connected to the middle of the inner side wall of the fixed plate, a hose is plugged into the output end of the third sandblasting device, and the hose is plugged in the middle of the outer side wall of the second push plate, and a third nozzle is fixedly connected to the end of the hose.

[0006] As a further description of the above technical solution:

[0007] Support plates are fixedly connected to the left and right sides of the front and rear side walls of the first through hole, and a transmission roller is rotatably connected between the upper side of the rear side wall of the front support plate and the upper side of the front side wall of the rear support plate.

[0008] As a further description of the above technical solution:

[0009] A second through hole is opened on the upper side of the left side wall of the storage box, and a dustproof net is fixedly connected between the inner side walls of the second through hole.

[0010] As a further description of the above technical solution:

[0011] The output end of the first sandblasting device is plugged with a first conduit, and the first conduit passes through between the right side of the outer side wall of the guide bucket and the bottom of the positioning plate, and is plugged into the connection end of the first nozzle.

[0012] As a further description of the above technical solution:

[0013] A control box is fixedly connected to the upper left side of the front side wall of the workbench, and the control box is electrically connected to the first sandblasting device, the transmission device, the first electric telescopic rod, the second sandblasting device, the second electric telescopic rod and the third sandblasting device.

[0014] As a further description of the above technical solution:

[0015] The output end of the vacuum pump is plugged with a first connecting pipe, and the first connecting pipe is plugged into the lower side of the left side wall of the inner cavity of the workbench.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The rust removal device for steel structure processing can transmit the steel structure into the shell through the third through hole, the transmission device and the transmission roller, and then push the first push plate downward through the first electric telescopic rod to drive the second nozzle close to the top of the steel structure, and the second sandblasting device cooperates with the second conduit and the second nozzle to sandblast the top of the steel structure, and then push the second push plate through the second electric telescopic rod to drive the third nozzle close to the front and back of the steel structure, and the third sandblasting device cooperates with the hose and the third nozzle to sandblast the front and back of the steel structure, and then the first sandblasting device cooperates with the first conduit and the first nozzle to sandblast the bottom of the steel structure, and the steel structure can be driven to be sandblasted and rust-removed when passing above the first through hole, so that the rust removal device on the surface of the steel structure is convenient for comprehensive rust removal, and the rust removal efficiency is high, so that the rust removal of the steel structure is time-saving and labor-saving, and easy to use.

[0018] 2. The rust removal device for steel structure processing extracts air from the internal space of the storage box through the vacuum pump in cooperation with the second connecting pipe and the second through hole, driving the internal space of the cross plate to generate air suction, and at the same time cooperates with the first through hole and the guide plate to drive the sand sprayed by the first sandblasting device, the second sandblasting device and the third sandblasting device to enter the guide bucket, and the guide bucket guides the sand into the storage box for concentration, so that the steel structure surface rust removal device is convenient for centralized recovery of the sand used by the steel structure surface rust removal device, thereby improving the use efficiency of the steel structure surface rust removal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a rust removal device for steel structure processing proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of a rust removal device for steel structure processing proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional structure of a rust removal device for steel structure processing proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of a top view and a cross-sectional structure of a rust removal device for steel structure processing.

[0023] In the figure: 100, workbench; 110, first through hole; 111, support plate; 112, transmission roller; 120, guide bucket; 130, horizontal plate; 140, storage box; 141, second through hole; 142, dust screen; 150, support rod; 160, positioning plate; 161, first nozzle; 162, guide plate; 170, first sandblasting device; 171, first conduit; 180, transmission device; 190, control box; 200, vacuum pump; 2 10. First connecting pipe; 220. Second connecting pipe; 300. Shell; 310. Top plate; 320. First electric telescopic rod; 330. First push plate; 340. Second sandblasting device; 350. Second conduit; 360. Second nozzle; 370. Third through hole; 400. Fixed plate; 410. Second electric telescopic rod; 420. Second push plate; 430. Baffle; 440. Third sandblasting device; 450. Hose; 460. Third nozzle. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a rust removal device for steel structure processing, which is convenient for comprehensive rust removal and centralized recycling of sandblasting used in the rust removal device on the surface of the steel structure. Figure 1-4 , including a workbench 100, an air pump 200, a housing 300 and a fixing plate 400;

[0028] Please refer again Figure 1-4A first through hole 110 is opened in the middle of the top of the workbench 100, and the first through hole 110 is used to facilitate the introduction of sand into the workbench 100. A guide bucket 120 is fixedly connected to the middle of the inner cavity top of the workbench 100, and the guide bucket 120 is used to facilitate the introduction of sand into the cross plate 130. The left and right sides of the bottom of the inner cavity of the workbench 100 and the left and right sides of the bottom of the guide bucket 120 are fixedly connected with a cross plate 130, and the cross plate 130 is used to divide the internal space of the workbench 100. A storage box 140 is inserted in the middle of the lower side of the front side wall of the workbench 100, and the first storage box 140 is used to centrally store sand. Support rods 150 are fixedly connected to the left and right sides of the front and rear side walls of the inner cavity of the first through hole 110, and the support rods 150 are used to support the positioning plate 160. A positioning plate 160 is fixedly connected between the ends of the support rod 150, and the positioning plate 160 is used to support the first nozzle 161. The top of the positioning plate 160 is fixedly connected to the first nozzle 161, and the left and right side walls of the positioning plate 160 are fixedly connected to guide plates 162, and the guide plates 162 are used to guide sand. A first sandblasting device 170 is fixedly connected to the lower side of the right side wall of the inner cavity of the workbench 100, and the first sandblasting device 170 is used to cooperate with the first guide tube 171 and the first nozzle 161 to perform sandblasting on the bottom of the steel structure. A transmission device 180 is fixedly connected to the left and right sides of the top of the workbench 100, and the transmission device 180 is used to transmit the steel structure. The workbench 100 is used to support the vacuum pump 200, the shell 300 and the fixed plate 400;

[0029] Please refer again Figure 1-4 The input end of the vacuum pump 200 is plugged with a second connecting pipe 220, and the second connecting pipe 220 is plugged into the upper side of the left wall of the left horizontal plate 130. The second connecting pipe 220 is used to cooperate with the vacuum pump 200 to extract the air between the horizontal plates 130. The vacuum pump 200 is fixedly connected to the left side of the bottom of the inner cavity of the workbench 100, and the vacuum pump 200 is used to provide power for extracting air;

[0030] Please refer again Figure 1-4A top plate 310 is fixedly connected to the middle of the inner cavity top of the shell 300, and the top plate 310 is used to support the first electric telescopic rod 320. The first electric telescopic rod 320 is fixedly connected to the four corners of the bottom of the top plate 310. A first push plate 330 is fixedly connected between the output ends of the first electric telescopic rod 320. The first electric telescopic rod 320 is used to drive the first push plate 330 to move up and down, driving the second nozzle 360 ​​close to the top of the steel structure. A second sandblasting device 340 is fixedly connected to the left side of the top of the first push plate 330. The output end of the second sandblasting device 340 is plugged into the A second conduit 350 is connected, and the second conduit 350 is plugged in the middle of the top of the first push plate 330. The end of the second conduit 350 is fixedly connected to a second nozzle 360. The second sandblasting device 340 is used to cooperate with the second conduit 350 and the second nozzle 360 ​​to perform sandblasting on the top of the steel structure. A third through hole 370 is opened in the middle of the lower side of the left and right side walls of the shell 300. The third through hole 370 is used to facilitate the steel structure to enter and exit the shell 300. The shell 300 is fixedly connected to the top of the workbench 100, and the shell 300 is used to provide a sealed space for rust removal of the steel structure.

[0031] Please refer again Figure 1-4 The second electric telescopic rod 410 is fixedly connected to the left and right sides of the inner wall of the fixed plate 400, and the second push plate 420 is fixedly connected between the output ends of the second electric telescopic rod 410. The baffle 430 is fixedly connected to the left and right sides of the inner wall of the second push plate 420. The second electric telescopic rod 410 is used to push the second push plate 420 and the baffle 430 to approach the front and back of the steel structure, and limit the spraying area of ​​the third nozzle 460 through the baffle 430. The third sandblasting device is fixedly connected to the middle of the inner wall of the fixed plate 400. 440, a hose 450 is plugged into the output end of the third sandblasting device 440, and the hose 450 is plugged into the middle of the outer wall of the second push plate 420, and the end of the hose 450 is fixedly connected to a third nozzle 460, and the third sandblasting device 440 is used to cooperate with the hose 450 and the third nozzle 460 to sandblast the front and back surfaces of the steel structure, and the fixed plate 400 is fixedly connected to the middle of the lower side of the front and rear side walls of the shell 300, and the fixed plate 400 is used to support the third sandblasting device 440 and the second electric telescopic rod 410.

[0032] Please refer again Figure 1-4 A support plate 111 is fixedly connected to the left and right sides of the front and rear side walls of the first through hole 110, and a transmission roller 112 is rotatably connected between the upper side of the rear wall of the front support plate 111 and the upper side of the front wall of the rear support plate 111. The transmission roller 112 cooperates with the support plate 111 to facilitate the transmission of the steel structure.

[0033] Please refer again Figure 1-4A second through hole 141 is opened on the upper side of the left side wall of the storage box 140, and a dustproof net 142 is fixedly connected between the inner walls of the second through hole 141. The second through hole 141 and the dustproof net 142 can facilitate the second connecting pipe 220 to extract air from the inside of the storage box 140.

[0034] Please refer again Figure 1-4 The output end of the first sandblasting device 170 is connected with a first conduit 171, and the first conduit 171 passes through the right side of the outer wall of the guide bucket 120 and the bottom of the positioning plate 160, and is connected to the connecting end of the first nozzle 161. The sand transmitted by the first sandblasting device 170 can be introduced into the first nozzle 161 through the first conduit 171.

[0035] Please refer again Figure 1-4 A control box 190 is fixedly connected to the upper left side of the front side wall of the workbench 100. The control box 190 is electrically connected to the first sandblasting device 170, the transmission device 180, the first electric telescopic rod 320, the second sandblasting device 340, the second electric telescopic rod 410 and the third sandblasting device 440. The control box 190 can control the start and stop of the first sandblasting device 170, the transmission device 180, the first electric telescopic rod 320, the second sandblasting device 340, the second electric telescopic rod 410 and the third sandblasting device 440.

[0036] Please refer again Figure 1-4 The output end of the vacuum pump 200 is plugged with a first connecting pipe 210 , and the first connecting pipe 210 is plugged into the lower side of the left side wall of the inner cavity of the workbench 100 , and the air extracted by the vacuum pump 200 is discharged through the first connecting pipe 210 .

[0037] In summary, the steel structure can be introduced into the shell 300 for transmission through the third through hole 370, the transmission device 180 and the transmission roller 112, and then the first push plate 330 is pushed downward by the first electric telescopic rod 320 to drive the second nozzle 360 ​​close to the top of the steel structure, and the second sandblasting device 340 cooperates with the second conduit 350 and the second nozzle 360 ​​to sandblast the top of the steel structure, and then the second push plate 420 is pushed by the second electric telescopic rod 410 to drive the third nozzle 460 close to the front and back of the steel structure, and the third sandblasting device 440 cooperates with the hose 450 and the third nozzle 460 to sandblast the front and back of the steel structure, and then the first sandblasting device 170 cooperates with the first conduit 171 and the first nozzle 161 to sandblast the bottom of the steel structure, and the steel structure can be driven to pass through the first through hole 110. The rust removal device on the surface of the steel structure is convenient for comprehensive rust removal, and the rust removal efficiency is high, so that the rust removal of the steel structure is time-saving and labor-saving, and easy to use.

[0038] To summarize, the vacuum pump 200 cooperates with the second connecting pipe 220 and the second through hole 141 to extract air from the internal space of the storage box 140, driving the internal space of the cross plate 130 to generate air suction, and at the same time cooperates with the first through hole 110 and the guide plate 162 to drive the sand sprayed by the first sandblasting device 170, the second sandblasting device 340 and the third sandblasting device 440 to enter the guide bucket 120, and the guide bucket 120 guides the sand into the storage box 140 for concentration, so that the steel structure surface rust removal device is convenient for centralized recovery of the sandblasting used by the steel structure surface rust removal device, thereby improving the use efficiency of the steel structure surface rust removal device.

[0039] In specific use, the technical personnel in this field first introduce the steel structure into the shell 300 from the third through hole 370 on the left side, and place it above the transmission device 180 and the transmission roller 112, and then start the transmission device 180 to transmit the steel structure, drive the steel structure to enter above the first through hole 110, and then start the first electric telescopic rod 320, the first electric telescopic rod 320 pushes the first push plate 330 to move downward, and drives the second nozzle 360 ​​close to the top of the steel structure, and then start the second electric telescopic rod 410, the second electric telescopic rod 410 pushes the second push plate 420 to drive the third nozzle 460 close to the front and back of the steel structure, and then start the first sandblasting device 17 0, the second sandblasting device 340 and the third sandblasting device 440, the first sandblasting device 170 cooperates with the first conduit 171 and the first nozzle 161 to sandblast the bottom of the steel structure, the second sandblasting device 340 cooperates with the second conduit 350 and the second nozzle 360 ​​to sandblast the top of the steel structure, the third sandblasting device 440 cooperates with the hose 450 and the third nozzle 460 to sandblast the front and back of the steel structure, and at the same time, the vacuum pump 200 is started, and the vacuum pump 200 cooperates with the second connecting pipe 220 and the second through hole 141 to extract the internal space of the storage box 140, driving the sand to be introduced into the storage box 140 through the first through hole 110 and the guide bucket 120 and concentrated.

[0040] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A rust removal device for steel structure processing, characterized in that: The invention comprises a workbench (100), an air pump (200), a shell (300) and a fixing plate (400), wherein the air pump (200) is fixedly connected to the left side of the bottom of the inner cavity of the workbench (100), the shell (300) is fixedly connected to the top of the workbench (100), the fixing plate (400) is fixedly connected to the middle of the lower side of the front and rear side walls of the shell (300), a first through hole (110) is opened in the middle of the top of the workbench (100), a guide bucket (120) is fixedly connected to the middle of the top of the inner cavity of the workbench (100), a horizontal plate (130) is fixedly connected between the left and right sides of the bottom of the inner cavity of the workbench (100) and the left and right sides of the bottom of the guide bucket (120), and the workbench ( A storage box (140) is inserted in the middle of the lower side of the front side wall of the workbench (100), a support rod (150) is fixedly connected to the left and right sides of the front and rear side walls of the inner cavity of the first through hole (110), a positioning plate (160) is fixedly connected between the ends of the support rod (150), a first nozzle (161) is fixedly connected to the top of the positioning plate (160), and a guide plate (162) is fixedly connected to the left and right side walls of the positioning plate (160), a first sandblasting device (170) is fixedly connected to the lower side of the right side wall of the inner cavity of the workbench (100), a transmission device (180) is fixedly connected to the left and right sides of the top of the workbench (100), and a second connecting pipe (220) is inserted into the input end of the vacuum pump (200), and the second connecting pipe ( 220) is plugged into the upper side of the left side wall of the left side horizontal plate (130), a top plate (310) is fixedly connected to the middle of the top of the inner cavity of the shell (300), the bottom four corners of the top plate (310) are fixedly connected to the first electric telescopic rod (320), the output ends of the first electric telescopic rod (320) are fixedly connected to the first push plate (330), the top left side of the first push plate (330) is fixedly connected to the second sandblasting device (340), the output end of the second sandblasting device (340) is plugged into the second conduit (350), and the second conduit (350) is plugged into the middle of the top of the first push plate (330), the end of the second conduit (350) is fixedly connected to the second nozzle (360), the shell A third through hole (370) is opened in the middle of the lower side of the left and right side walls of the body (300); the left and right sides of the inner wall of the fixed plate (400) are fixedly connected with the second electric telescopic rod (410); the second push plate (420) is fixedly connected between the output ends of the second electric telescopic rod (410); the left and right sides of the inner wall of the second push plate (420) are fixedly connected with the baffle plate (430); the middle of the inner wall of the fixed plate (400) is fixedly connected with the third sandblasting device (440); the output end of the third sandblasting device (440) is plugged with a hose (450), and the hose (450) is plugged in the middle of the outer wall of the second push plate (420); the end of the hose (450) is fixedly connected with a third nozzle (460).

2. The rust removal device for steel structure processing according to claim 1, characterized in that: Support plates (111) are fixedly connected to the left and right sides of the front and rear side walls of the first through hole (110), and a transmission roller (112) is rotatably connected between the upper side of the rear side wall of the front support plate (111) and the upper side of the front side wall of the rear support plate (111).

3. The rust removal device for steel structure processing according to claim 1, characterized in that: A second through hole (141) is formed on the upper side of the left side wall of the storage box (140), and a dustproof net (142) is fixedly connected between the inner side walls of the second through hole (141).

4. The rust removal device for steel structure processing according to claim 1, characterized in that: The output end of the first sandblasting device (170) is plugged with a first conduit (171), and the first conduit (171) passes through between the right side of the outer wall of the guide bucket (120) and the bottom of the positioning plate (160), and is plugged into the connection end of the first nozzle (161).

5. The rust removal device for steel structure processing according to claim 1, characterized in that: A control box (190) is fixedly connected to the upper left side of the front side wall of the workbench (100), and the control box (190) is electrically connected to the first sandblasting device (170), the transmission device (180), the first electric telescopic rod (320), the second sandblasting device (340), the second electric telescopic rod (410) and the third sandblasting device (440).

6. The rust removal device for steel structure processing according to claim 1, characterized in that: The output end of the vacuum pump (200) is plugged with a first connecting pipe (210), and the first connecting pipe (210) is plugged into the lower side of the left side wall of the inner cavity of the workbench (100).