Online steel billet spraying device

Abstract

The utility model belongs to the technical field of metallurgical steel rolling, and particularly relates to an online steel billet spraying device. Comprising a frame and a control unit. Two nozzle supports are arranged in the frame, nozzles are installed on the nozzle supports, and the front-back distance can be adjusted along the nozzle supports. The height of the nozzle bracket can be respectively adjusted up and down; the distance between the nozzle and the steel billet is controlled by adjusting the nozzle and the nozzle bracket respectively; the device further comprises a coating absorbing device and a moving device. The device can work circularly, and pneumatic control and automatic control are achieved; therefore, the problems that due to the fact that steel billets are large-section square steel billets, the manual spraying thickness is not uniform, the product quality is not stable, and a large amount of manpower needs to be input for spraying paint are solved.

Description

Technical Field

[0001] This application belongs to the field of metallurgical steel rolling technology, specifically relating to an online spraying device for steel billets. Background Technology

[0002] For special steel bar and wire production lines, customers require zero decarburization of the decarburized layer. The method used is to spray anti-decarburization coating on the surface of the steel billet. However, since the steel billet is a large-section square billet, the thickness of the coating is uneven when sprayed manually, resulting in unstable product quality. In addition, a lot of manpower is required for coating.

[0003] Therefore, there is an urgent need to develop an online spraying device for steel billets to solve the above-mentioned technical problems. Utility Model Content

[0004] This application aims to address the problem that, due to the large cross-section square steel billet, manual spraying results in uneven coating thickness, unstable product quality, and the need for a large amount of manpower for coating, and thus designs an online coating device for steel billets.

[0005] The technical solution proposed in this application is:

[0006] An online coating device for steel billets includes a frame and a control unit;

[0007] The frame is a square structure, with a nozzle bracket installed at each of its four inner corners, and nozzles are adjustablely mounted on the nozzle brackets.

[0008] The nozzle is connected to the air source distributor via an air pipe, and the air pipe is equipped with a first electric air pump and a first solenoid valve.

[0009] The nozzle is also connected to the paint tank via a paint pipe, and the paint pipe is equipped with a second electric air pump and a second solenoid valve.

[0010] The control unit is located at the upper end of the frame and is electrically connected to the first electric air pump, the first solenoid valve, the second electric air pump, and the second solenoid valve.

[0011] Furthermore, the online spraying device also includes a paint recycling device, which includes a receiving trough, a paint suction cup, and a paint suction tube; the paint suction cup is fixedly installed at the bottom end of the paint suction tube; the paint suction tube is connected to the frame through a fixed bracket, the paint suction cup is placed inside, and the receiving trough is located below the frame.

[0012] Furthermore, the bottom plate of the receiving trough is divided into a flat part and an inclined part. The inclined part is located directly below the frame, the paint suction cup is located inside the flat part, and the inclined part and the flat part are connected by a vertical plate.

[0013] Furthermore, the inclination angle of the inclined surface is 1.5°.

[0014] Furthermore, the online spraying device also includes a moving device, which includes four guide wheels and a set of tracks; the guide wheels are located at the lower end of the receiving trough; the guide wheels are rotatably connected to the tracks.

[0015] Furthermore, a protective cover is provided on the outside of the frame, and a 500*500mm square hole for steel is provided in the middle of the protective cover.

[0016] Furthermore, the air source for the air distributor is provided by the main air source of the painting workshop.

[0017] Furthermore, the nozzle support is in the shape of a round rod, and the nozzle can be adjusted back and forth along the axis of the round rod.

[0018] This application has the following beneficial effects:

[0019] The spraying device of this application is equipped with a track, allowing for adjustment of the spraying distance and angle of the nozzle. The distance between the nozzle and the steel billet ensures complete coverage, achieving uniform spraying on all four sides. Adjustable nozzles are selected for this purpose. The device can operate cyclically and is subject to both pneumatic and automatic control. This solves the problem of uneven coating thickness and unstable product quality caused by manual spraying of large-section square steel billets, which requires a large workforce. Furthermore, this application addresses the issue of paint recycling and reuse, improving utilization efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an online spraying device for steel billets according to this utility model;

[0021] Figure 2 This is a schematic diagram of the control unit of this utility model.

[0022] In the diagram, 1-nozzle, 2-nozzle bracket, 3-frame, 4-steel billet, 5-guide wheel, 6-track, 7-receiving trough, 8-paint suction cup, 9-fixed bracket, 10-control unit, 1001-electric air pump, 1002-first solenoid valve, 1003-second electric air pump, 1004-second solenoid valve, 1005-paint box, 1006-paint pipe, 1007-air pipe, 1008-air source distributor, 11-workshop air source. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this application clearer, the present application is described below with reference to specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and not intended to limit the scope of the present application. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present invention.

[0024] Example 1, combined with Figure 1 and Figure 2 This embodiment describes an online steel billet spraying device, which includes a frame 3 and a control unit 10.

[0025] The frame 3 is a square structure, with a nozzle bracket 2 installed at each of its four inner corners. A nozzle 1 is adjustablely installed on the nozzle bracket 2.

[0026] The nozzle 1 is connected to the air source distributor 1008 via an air pipe 1007. The air pipe 1007 is equipped with a first electric air pump 1001 and a first solenoid valve 1002.

[0027] The nozzle 1 is also connected to the paint tank 1005 via a paint pipe 1006, and a second electric air pump 1003 and a second solenoid valve 1004 are provided on the paint pipe 1006.

[0028] The control unit 10 is located on the upper end of the frame 3, and the control unit 10 is electrically connected to the first electric air pump 1001, the first solenoid valve 1002, the second electric air pump 1003, and the second solenoid valve 1004.

[0029] Furthermore, the online spraying device also includes a paint recycling device, which includes a receiving trough 7, a paint suction cup 81, and a paint suction tube 82; the paint suction cup 81 is fixedly installed at the bottom end of the paint suction tube 82; the paint suction tube 82 is connected to the frame 3 through a fixed bracket 9, and the paint suction cup 81 is placed in the receiving trough 7, which is located below the frame 3.

[0030] Furthermore, the bottom plate of the receiving trough 7 is divided into a flat part and an inclined part. The inclined part is located directly below the frame, the paint suction cup 81 is located inside the flat part, and the inclined part and the flat part are connected by a vertical plate.

[0031] Furthermore, the inclination angle of the inclined surface is 1.5°.

[0032] Furthermore, the online spraying device also includes a moving device, which includes four guide wheels 5 and a set of tracks 6; the guide wheels 5 are located at the lower end of the receiving trough 7; the guide wheels 5 are rotatably connected to the tracks 6.

[0033] Furthermore, a protective cover is provided on the outside of the frame 3, and a 500*500mm square hole for steel is provided in the middle of the protective cover.

[0034] Furthermore, the air source for the air source distributor 1008 is provided by the main air source of the painting workshop.

[0035] Furthermore, the nozzle support 2 is a round rod, and the nozzle 1 adjusts the front and rear distance along the axis of the round rod to spray the coating onto the surface of the steel billet 4.

[0036] Furthermore, the control unit 10 uses a Siemens S7200 series chip, model cpu226 216-2BD23-0XB0.

[0037] The above embodiments are merely illustrative of the principles and effects of this application and are not intended to limit this application. Any simple substitutions or modifications made within the scope of the technical concepts disclosed in this application, and based on the technical solutions of this application, should be within the protection scope of this application.

Claims

1. An apparatus for on-line spraying of billets, characterized in that: It comprises a frame (3) and a control unit (10); The frame (3) is a square structure, and one nozzle support (2) is installed at each of four inner corners of the frame (3); the nozzle (1) is adjustably installed on the nozzle support (2). The nozzle (1) is connected with a gas source distributor (1008) through a gas pipe (1007), and the gas pipe (1007) is provided with a first electric air pump (1001) and a first electromagnetic valve (1002). The nozzle (1) is also connected with a paint tank (1005) through a paint pipe (1006), and the paint pipe (1006) is provided with a second electric air pump (1003) and a second electromagnetic valve (1004). The control unit (10) is arranged at the upper end of the frame (3), and the control unit (10) is electrically connected with the first electric air pump (1001), the first electromagnetic valve (1002), the second electric air pump (1003) and the second electromagnetic valve (1004).

2. An apparatus for on-line spraying of billets as claimed in claim 1, wherein: The online spraying device further comprises a paint recovery device, the paint recovery device comprises a receiving groove (7), a paint suction disc (81) and a paint suction pipe (82); the paint suction disc (81) is fixedly arranged at the bottom end of the paint suction pipe (82); the paint suction pipe (82) is connected with the frame (3) through a fixing support (9), and the paint suction disc (81) is arranged in the receiving groove (7), and the receiving groove (7) is arranged below the frame (3).

3. A billet on-line spraying device according to claim 2, characterized in that: The bottom plate of the receiving groove (7) is divided into a flat portion and an inclined portion, the inclined portion is located directly below the frame, the paint suction disc (81) is located in the flat portion, and the inclined portion and the flat portion are connected through a vertical plate.

4. A billet on-line spraying apparatus according to claim 3, characterized in that: The inclination angle of the inclined portion is 1.5°.

5. A billet on-line spraying apparatus according to claim 4, characterized in that: The online spraying device further comprises a moving device, the moving device comprises four guide wheels (5) and a set of rails (6); the guide wheels (5) are arranged at the lower end of the receiving groove (7); and the guide wheels (5) are rollingly connected with the rails (6).

6. A billet on-line spraying apparatus according to claim 5, characterized in that: A protective cover is arranged outside the frame (3), and a 500*500mm steel square hole is arranged in the middle of the protective cover.

7. A billet on-line spraying apparatus according to claim 6, characterized in that: The gas source of the gas source distributor (1008) is provided by a total gas source of a spraying workshop.

8. A billet on-line spraying apparatus according to claim 7, characterized in that: The nozzle support (2) is in the shape of a round rod, and the nozzle (1) is adjusted along the axis of the round rod.

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