Automatic spraying device for spraying decarburization separator on surface of steel bar

Abstract

The utility model relates to an automatic spraying device for steel bar surface spraying decarburization separator, including spraying mechanism, feeding mechanism and blanking mechanism, the spraying mechanism includes fixed frame, is equipped with a circle of spray pipe in fixed frame, and the spray pipe is arranged in vertical plane, and the spray pipe is connected with feed pipe, and the outer end of feed pipe is connected to the material tank with decarburizer, and the spray pipe is uniformly provided with four spray nozzles, and all spray nozzles are aimed at the center of fixed frame, the feeding mechanism and blanking mechanism are arranged respectively at both sides of fixed frame, and the feeding mechanism includes conveying roller bed A, and the support height of conveying roller bed A is matched with the center height of fixed frame to make steel bar pass through the center of fixed frame, the blanking mechanism includes conveying roller bed B, and the support height of conveying roller bed B is same with conveying roller bed A, the utility model has realized the automatic spraying decarburization separator to steel bar surface, has promoted work efficiency, and has reduced the labor intensity of worker.

Description

Technical Field

[0001] This utility model relates to the field of steel bar surface treatment, specifically an automatic spraying device for spraying decarburizing and isolating agents onto the surface of steel bars. Background Technology

[0002] Carbon steel often undergoes oxidation and decarburization during thermal processing, which has a very adverse effect on the heat treatment and forging of carbon steel. Decarburization will reduce the hardness of the material, thereby affecting the wear resistance of carbon steel, and will also affect the surface quality, hardness and other indicators of the steel. Therefore, some steel bars need to be treated to prevent decarburization, which is usually done by spraying a layer of decarburizing release agent on the surface of the steel bar. At present, the spraying of decarburizing release agent mainly relies on manual operation, which is inefficient and prone to dead corners where the spraying is not in place. Summary of the Invention

[0003] The purpose of this invention is to solve the problems existing in the prior art and provide an automatic spraying device for spraying decarburizing and isolating agents onto the surface of steel bars.

[0004] The specific solution of this utility model is as follows: an automatic spraying device for spraying decarburizing and isolating agent onto the surface of steel bars, comprising a spraying mechanism, a feeding mechanism, and a discharging mechanism. The spraying mechanism includes a fixed frame, within which a ring of spray pipes is arranged in a vertical plane. The spray pipes are connected to a feed pipe, the outer end of which is connected to a tank containing decarburizing agent. Four nozzles are evenly distributed on the spray pipes, all of which are aligned with the center of the fixed frame. The feeding mechanism and the discharging mechanism are respectively located on both sides of the fixed frame. The feeding mechanism includes a conveyor roller A, the support height of which matches the center height of the fixed frame so that the steel bar passes through the center of the fixed frame. The discharging mechanism includes a conveyor roller B, the support height of which is the same as that of the conveyor roller A.

[0005] Furthermore, the nozzle is square, and both sides of the nozzle are fixedly connected to the inner side of the fixed frame via connecting brackets.

[0006] Furthermore, the nozzle is connected to a feed pipe at each of the two diagonal corners of the square, and the outer ends of both feed pipes are connected to the material tank.

[0007] Furthermore, the conveyor roller A is equipped with a pressure roller mechanism, which includes a pressure roller with a central shaft at its center. Both ends of the central shaft extend to the sides and each is equipped with a bearing seat. The conveyor roller A is equipped with a bracket corresponding to each of the two bearing seats. The bracket has a sliding groove matching the bearing seat on its inner side. The top of the bracket is equipped with an adjusting screw, which is threadedly connected to the bracket and rotatably connected to the corresponding bearing seat at its bottom end.

[0008] Furthermore, the conveyor roller conveyor A includes several roller shafts, each of which is equipped with a V-shaped idler roller at its center. The structure of the conveyor roller conveyor B is the same as that of the conveyor roller conveyor A.

[0009] This invention has the following advantages: it enables automatic spraying of decarburizing and isolating agent onto the surface of steel bars, thereby improving work efficiency and reducing the labor intensity of workers. Attached Figure Description

[0010] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0011] Figure 2 yes Figure 1 The main view;

[0012] Figure 3 yes Figure 2 BB view;

[0013] In the diagram: 1. Fixed frame; 2. Feed pipe; 3. Spray pipe; 4. Nozzle; 5. Conveyor roller A; 6. Pressure roller; 7. Bearing seat; 8. Support; 9. Adjusting screw; 10. Conveyor roller B; 11. Connecting frame. Detailed Implementation

[0014] See Figure 1-3 This embodiment is an automatic spraying device for spraying decarburizing and isolating agent onto the surface of steel bars. It includes a spraying mechanism, a feeding mechanism, and a discharging mechanism. The spraying mechanism includes a fixed frame 1 with a ring of spray pipes 3 arranged in a vertical plane. Each spray pipe 3 is connected to a feed pipe 2, the outer end of which is connected to a tank containing the decarburizing agent. Four nozzles 4 are evenly distributed on each spray pipe 3, all aligned with the center of the fixed frame 1. The feeding mechanism and the discharging mechanism are respectively located on both sides of the fixed frame 1. The feeding mechanism includes a conveyor roller A5, the support height of which matches the center height of the fixed frame 1, allowing the steel bar to pass through the center of the fixed frame 1. The discharging mechanism includes a conveyor roller B10, the support height of which is the same as that of the conveyor roller A5.

[0015] The nozzle 4 described in this utility model is a conical nozzle 4, and the spray angle can reach more than 90 degrees.

[0016] Furthermore, the nozzle 3 is square, and the left and right sides of the nozzle 3 are fixedly connected to the inner side of the fixed frame 1 through the connecting bracket 11.

[0017] Furthermore, the nozzle 3 is connected to a feed pipe 2 at each of the two diagonal corners of the square. The outer ends of the two feed pipes 2 are connected to the material tank. The feed pipes 2 are equipped with a booster pump, which pressurizes the decarburizing and isolating agent in the material tank and delivers it to the nozzle 3. Finally, it is sprayed onto the surface of the workpiece through the nozzle 4.

[0018] Furthermore, the conveyor roller A5 is equipped with a pressing roller mechanism, which includes a pressing roller 6. The pressing roller 6 has a central shaft at its center, and both ends of the central shaft extend to the sides and are each equipped with a bearing seat 7. The conveyor roller A5 is equipped with a bracket 8 corresponding to each of the two bearing seats 7. The inner side of the bracket 8 is provided with a sliding groove that matches the bearing seat 7. The top of the bracket 8 is equipped with an adjusting screw 9, which is threadedly connected to the bracket 8 and rotatably connected to the corresponding bearing seat 7 at its bottom end. The top of the adjusting screw 9 is equipped with a handwheel.

[0019] Furthermore, the conveyor roller conveyor A5 includes several rollers, each with a V-shaped idler roller at its center. The conveyor roller conveyor B10 has the same structure as the conveyor roller conveyor A5. During the conveying of the steel bar, the V-shaped idler roller ensures that the steel bar passes through the center of the fixed frame 1, thereby ensuring that the steel bar is evenly sprayed with the release agent by the four nozzles 4.

[0020] The working principle of this utility model is as follows: Both conveyor rollers A5 and B10 are spaced apart from the spraying mechanism. Steel bars are conveyed into the spraying mechanism via conveyor roller A5. During conveying, the height of the pressure roller 6 is adjusted downwards by adjusting the screw 9, causing the pressure roller 6 to press down on the steel bar. When most of the front end of the steel bar enters the spraying mechanism, the rear end is pressed down by the pressure roller 6 to prevent the rear end of the steel bar from lifting. By controlling the feeding speed of conveyor rollers A5 and B10, the steel bar passes through the spraying mechanism at a relatively slow speed. When the spraying mechanism is working, four nozzles 4 spray decarburizing and isolating agent onto the central steel bar surface from four directions, achieving all-around spraying and avoiding spraying dead zones. After spraying, the steel bar is received by conveyor roller B10 and then sent to the next process.

Claims

1. An automatic spraying device for spraying a decarburizing and isolating agent onto the surface of steel bars, characterized in that: The system includes a spraying mechanism, a feeding mechanism, and a discharging mechanism. The spraying mechanism includes a fixed frame with a ring of spray pipes arranged in a vertical plane. Each spray pipe is connected to a feed pipe, the outer end of which is connected to a tank containing decarburizing agent. Four nozzles are evenly distributed on each spray pipe, all aligned with the center of the fixed frame. The feeding mechanism and the discharging mechanism are respectively located on both sides of the fixed frame. The feeding mechanism includes a conveyor roller A, the support height of which matches the center height of the fixed frame, allowing the steel bar to pass through the center of the fixed frame. The discharging mechanism includes a conveyor roller B, the support height of which is the same as that of the conveyor roller A.

2. The automatic spraying device for spraying decarburization separator on the surface of steel bar according to claim 1, characterized in that: The nozzle is square, and its two sides are fixedly connected to the inside of the fixed frame via connecting brackets.

3. The automatic spraying device for spraying decarburization separator on the surface of steel bar according to claim 2, characterized in that: The nozzle is located at two diagonal corners of the square, each connected to a feed pipe, and the outer ends of both feed pipes are connected to the material tank.

4. The automatic spraying device for spraying decarburization separator on the surface of steel bar according to claim 1, characterized in that: The conveyor roller A is equipped with a pressing roller mechanism, which includes a pressing roller. The pressing roller has a central shaft at its center, and both ends of the central shaft extend to the sides and each is equipped with a bearing seat. The conveyor roller A is equipped with a bracket corresponding to each of the two bearing seats. The bracket has a sliding groove matching the bearing seat on its inner side. The top of the bracket is equipped with an adjusting screw, which is threadedly connected to the bracket and rotatably connected to the corresponding bearing seat at its bottom end.

5. The automatic spraying device for spraying decarburization separator on the surface of steel bar according to claim 1, characterized in that: The conveyor roller conveyor A includes several roller shafts, and each roller shaft is equipped with a V-shaped idler roller at its center. The structure of the conveyor roller conveyor B is the same as that of the conveyor roller conveyor A.

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