Online purging device for electro-galvanized steel plate machining

Abstract

The utility model provides an on-line blowing device for electro-galvanized steel plate processing, which belongs to the field of electro-galvanized steel plate production equipment and comprises a vertical frame, a fixed cover is fixedly connected to the upper end face of the vertical frame, a conveying component is mounted on the vertical frame, two blowing pipes are mounted on the inner wall of the fixed cover, and the blowing pipes are arranged on the upper end face of the vertical frame. A plurality of air nozzles are installed on the two air blowing pipes, a connecting pipe is installed on the two air blowing pipes together, an air heater is installed on the connecting pipe, and the connecting pipe is installed at the exhaust end of the air heater; a waste heat recovery assembly; the waste heat recovery assembly comprises two air suction cavities formed in the inner wall of the fixed cover, and grid plates are fixedly connected to the inner walls of the two air suction cavities. According to the utility model, the hot-air blower is used for discharging gas to purge steel plates on the conveying belt, and then the gas with waste heat is sucked into the hot-air blower again for recycling after being subjected to dust removal, so that the energy loss is reduced, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to galvanized steel sheet production equipment technical field especially relates to a kind of on-line purging device for galvanized steel sheet processing. BACKGROUND

[0002] Galvanized steel sheet is mainly applied to liquid crystal display backboard, household appliance panel, automobile plate and other fields, and slag, metal chips, oil stains, dust and the like generated on the surface of steel sheet during manufacturing, transportation, storage and processing process, if not purging, these impurities can cause a series of problems in subsequent processing or use, and hot gas is generally used for purging when purging galvanized steel sheet.

[0003] The utility model discloses a kind of on-line purging device for galvanized steel sheet processing with application number CN202020044557.6, including shell, purging chamber, baffle, inner chamber, brush plate one, dust absorption cavity one, grid plate one, dust collector connector one, connecting seat one, pipe body one, blowing head one, high-pressure gas connector, communication pipe, brush plate two, dust absorption cavity two, grid plate two, dust collector connector two, connecting seat two, pipe body two and blowing head two;The utility model has the advantages of reasonable and simple structure, low production cost, easy installation, complete function, high-pressure gas is blown to the surface of galvanized steel sheet by blowing head one and blowing head two simultaneously, so as to improve the effect of comprehensive purging;Dust collector connector one and dust collector connector two are provided in the utility model, which are connected with the inlet of external dust collector, so as to collect the fine particles blown by blowing head, avoid that the fine particles blown fall into other positions on the surface of strip steel, and affect the quality of galvanized steel sheet after processing. But it uses high-pressure gas to directly purging, and the cleaning effect is general, and the heat in the gas is only extracted by dust collector after purging, so the energy consumption is large, and the practicability is low. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model provides an on-line purging device for galvanized steel sheet processing.

[0005] The embodiment of the utility model provides an on-line purging device for galvanized steel sheet processing, which comprises:

[0006] The vertical stand is fixedly connected with a fixed cover at the upper end face, a conveying assembly is installed on the vertical stand, two blowing pipes are installed on the inner wall of the fixed cover, a plurality of air jet nozzles are installed on each of the two blowing pipes, a connecting pipe is jointly installed on the two blowing pipes, a hot air blower is installed on the connecting pipe, and the connecting pipe is installed on the exhaust end of the hot air blower.

[0007] The waste heat recovery assembly comprises two air suction cavities opened in the inner wall of a fixed cover, the inner wall of each of the two air suction cavities is fixedly connected with a grid plate, two exhaust pipes are penetrated through the fixed cover, the two exhaust pipes are communicated with the two air suction cavities respectively, a gas conveying pipe is arranged between the two exhaust pipes, a filter shell is arranged on the gas conveying pipe, the gas conveying pipe is communicated with the filter shell, a fixing frame is slidably penetrated through the filter shell, a dust filter screen is fixedly connected to the inner wall of the fixing frame, a collecting box is slidably penetrated through the filter shell, and a communicating pipe is arranged on the filter shell and connected to the air inlet end of the hot air fan.

[0008] Further, the conveying assembly comprises two driving rollers rotatably connected to the stands, a conveying belt is arranged between the two driving rollers, a servo motor is fixedly arranged on the side wall of the stand, the rotating end of the servo motor is fixedly connected to one of the driving rollers, two belt pulleys are rotatably connected to the side wall of the stand, the two belt pulleys are fixedly connected to the two driving rollers respectively, the two belt pulleys are driven by a belt, and a plurality of supporting rollers are rotatably connected to the stand and located between the two driving rollers.

[0009] Further, the side wall of the air blowing pipe, the connecting pipe, the gas conveying pipe and the communicating pipe is provided with a heat preservation layer, and the heat preservation layer is made of rubber plastic.

[0010] Further, the lower end surface of the stand is provided with anti-skid lines.

[0011] Further, the fixing frame and the collecting box are both provided with a sealing pad layer, and the sealing pad layer is made of rubber.

[0012] Further, the fixing frame and the collecting box are both fixedly connected with a handle.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1. The air outlet end of the hot air fan delivers hot air to the air blowing pipe, and then the gas is discharged through the air jet nozzle, so that the steel plate on the conveying belt is blown and cleaned, and the particles and impurities on the steel plate are blown off from the surface of the steel plate. During the blowing process, the air suction end of the hot air fan performs air suction work, that is, the hot air in the fixed cover is sucked through the air suction cavity, then the waste heat gas is filtered through the dust filter screen to remove the dust therein, and then the gas with waste heat is recycled in the hot air fan, thereby reducing energy consumption and improving the practicability of the device.

[0015] 2. The steel plate is placed on the conveying belt, and the servo motor starts to work, so that the steel plate is automatically conveyed, thereby reducing the workload of the workers and improving the portability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The utility model discloses an online blowing device for galvanized steel plate processing.

[0017] Figure 2 The utility model discloses an online blowing device structure perspective side view for galvanized steel plate processing.

[0018] Figure 3 The utility model discloses an online blowing device structure perspective side view for galvanized steel plate processing.

[0019] Figure 4 The utility model discloses an online blowing device structure perspective side view for galvanized steel plate processing.

[0020] The above drawing: 1 stand, 2 fixed cover, 3 blow pipe, 4 jet nozzle, 5 hot -blast machine, 6 suction cavity, 7 gas pipe, 8 filter gas shell, 9 filter dust net, 10 collection box, 11 driving roller, 12 conveyer belt, 13 servo motor, 14 supporting roller, 15 handle, 16 grating board. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be further explained below in connection with the drawings and examples.

[0022] As Figures 1-4 The utility model discloses an online blowing device for galvanized steel plate processing, which comprises:

[0023] The stand 1 is provided with anti-skid lines on the lower end surface, which improves the friction between the stand 1 and the placement surface and the stability of the device. The upper end surface of the stand 1 is fixedly connected with the fixed cover 2. The conveying assembly is installed on the stand 1. Two blow pipes 3 are installed on the inner wall of the fixed cover 2. A plurality of jet nozzles 4 are installed on each of the two blow pipes 3. A connecting pipe is installed on the two blow pipes 3. A hot -blast machine 5 is installed on the connecting pipe. The connecting pipe is installed on the exhaust end of the hot -blast machine 5. The hot -blast machine 5 is a prior art, and the working principle is mainly realized by heating through an electric heating wire. When the hot -blast machine 5 is powered on, the air blower blows air into the heater. The air flows uniformly through the inner and outer sides of the spiral electric heating wire. The heat generated by the electric heating wire after being powered on exchanges with the cold air passing through, so that the air temperature of the air outlet is increased.

[0024] The waste heat recovery assembly comprises two air suction cavities 6 opened in the inner wall of the fixed cover 2, the inner wall of each of the two air suction cavities 6 is fixedly connected with a grid plate 16, two exhaust pipes are penetrated through the fixed cover 2, the two exhaust pipes are communicated with the two air suction cavities 6 respectively, a gas conveying pipe 7 is installed between the two exhaust pipes, a filter shell 8 is installed on the gas conveying pipe 7, the gas conveying pipe 7 is communicated with the filter shell 8, a fixing frame is slidably penetrated through the filter shell 8, a dust filter screen 9 is fixedly connected to the inner wall of the fixing frame, a collecting box 10 is slidably penetrated through the filter shell 8, a communicating pipe is installed on the filter shell 8 and connected to the air inlet end of the hot air fan 5, a handle 15 is fixedly connected to the fixing frame and the collecting box 10, so that the user can pull the fixing frame and the collecting box 10, the portability of the device is improved, the fixing frame and the collecting box 10 are both provided with a sealing pad layer made of rubber, so that the sealing property between the fixing frame and the collecting box 10 and the filter shell 8 is improved, a large amount of external gas is prevented from entering the filter shell 8, and the absorption efficiency of the waste heat gas is ensured, and the side walls of the blowing pipe 3, the connecting pipe, the gas conveying pipe 7 and the communicating pipe are all provided with a heat preservation layer made of rubber, so that the heat loss of the gas in the pipes is avoided;

[0025] The conveying assembly comprises two driving rollers 11 rotatably connected to the stand 1, a conveying belt 12 is installed between the two driving rollers 11, a servo motor 13 is fixedly installed on the side wall of the stand 1, the rotating end of the servo motor 13 is fixedly connected to one of the driving rollers 11, two belt pulleys are rotatably connected to the side wall of the stand 1 and fixedly connected to the two driving rollers 11 respectively, the two belt pulleys are driven through a belt, and a plurality of supporting rollers 14 are rotatably connected to the stand 1 and located between the two driving rollers 11.

[0026] It is worth noting that the whole device is controlled by the general control system, and the hot air fan 5 and the servo motor 13 are matched with the general control system, which are common devices and belong to the existing mature technology, so the electrical connection relationship and the specific circuit structure are not described here.

[0027] The detailed working process of the utility model is as follows:

[0028] Firstly, the user places the device in the designated processing place, then the user places the steel plate on the conveying belt 12, then the servo motor 13 starts to work, under the cooperation of the pulley and the belt, the two driving rollers 11 start to rotate, realizing the movement of the conveying belt 12, thereby realizing the automatic conveying of the steel plate on the surface of the conveying belt 12, reducing the workload of the staff, improving the portability of the device, and the jet direction of the air jet nozzle 4 and the moving direction of the steel plate are opposite. During the movement of the steel plate, the air heater 5 starts to work, the air outlet end of the air heater 5 delivers hot air into the blowing pipe 3, then the heated gas is discharged through the air jet nozzle 4, realizing the blowing work of the steel plate on the conveying belt 12, and the gas blows the particle impurities on the steel plate off the surface of the steel plate. During the blowing process, the air inlet end of the air heater 5 performs air suction work, that is, the hot air in the fixed cover 2 is sucked through the air suction cavity 6, then the hot gas with residual heat enters the filter shell 8, the gas passes through the dust filter net 9, and the dust in the gas is adsorbed in the dust filter net 9, then the hot gas with residual heat enters the air heater 5 again for recycling, reducing energy consumption and improving the practicality of the device. When the user needs to clean the dust filter net 9, the fixed frame can be pulled out, and the dust in the filter shell 8 will fall into the collection box 10, which is convenient for the user to clean.

[0029] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application. They should be covered in the scope of the claims of the present application.

Claims

1. An online purging device for processing electro-galvanized steel sheets, characterized in that, include: A stand (1) is fixedly connected to a fixed cover (2) on its upper end face. A conveying assembly is installed on the stand (1). Two air blowing pipes (3) are installed on the inner wall of the fixed cover (2). Multiple air nozzles (4) are installed on each of the two air blowing pipes (3). A connecting pipe is installed on both of the two air blowing pipes (3). A hot air blower (5) is installed on the connecting pipe. The connecting pipe is installed on the exhaust end of the hot air blower (5). Waste heat recovery assembly; the waste heat recovery assembly includes two air intake chambers (6) opened on the inner wall of the fixed cover (2), and grid plates (16) are fixedly connected to the inner walls of the two air intake chambers (6). Two exhaust pipes pass through the fixed cover (2), and the two exhaust pipes are respectively connected to the two air intake chambers (6). An air supply pipe (7) is installed between the two exhaust pipes. An air filter shell (8) is installed on the air supply pipe (7). The air supply pipe (7) is connected to the air filter shell (8). A fixed frame slides through the air filter shell (8). A dust filter net (9) is fixedly connected to the inner wall of the fixed frame. A collection box (10) slides through the air filter shell (8). A connecting pipe is installed on the air filter shell (8). The connecting pipe is connected to the air inlet of the hot air blower (5).

2. The online purging device for processing electro-galvanized steel sheets according to claim 1, characterized in that: The conveying assembly includes two rotatably connected active rollers (11) on a vertical frame (1), and a conveyor belt (12) is installed between the two active rollers (11). A servo motor (13) is fixedly installed on the side wall of the vertical frame (1), and the rotating end of the servo motor (13) is fixedly connected to one of the active rollers (11). Two pulleys are rotatably connected to the side wall of the vertical frame (1), and the two pulleys are respectively fixedly connected to the two active rollers (11). The two pulleys are driven by a belt. Multiple idler rollers (14) are rotatably connected to the vertical frame (1), and the multiple idler rollers (14) are located between the two active rollers (11).

3. The online purging device for processing electro-galvanized steel sheets according to claim 1, characterized in that: The side walls of the blowing pipe (3), connecting pipe, air supply pipe (7) and connecting pipe are all provided with a heat insulation layer, and the heat insulation layer is made of rubber and plastic.

4. The online purging device for processing electro-galvanized steel sheets according to claim 1, characterized in that: The lower end face of the support frame (1) is provided with anti-slip texture.

5. The online purging device for processing electro-galvanized steel sheets according to claim 1, characterized in that: Both the fixing frame and the collection box (10) are provided with a sealing gasket layer, and the sealing gasket layer is made of rubber.

6. The online purging device for processing electro-galvanized steel sheets according to claim 1, characterized in that: A handle (15) is fixedly connected to both the mounting frame and the collection box (10).

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