CN223128764U

CN223128764U - A purge unit after pickling for stainless steel band steel

Info

Publication number: CN223128764U
Application number: CN202422372525.XU
Authority: CN
Inventors: 徐博林; 于浩磊; 翟茂盛; 刘立岗
Original assignee: Shandong Shengyang Metal Technology Co Ltd
Current assignee: Shandong Shengyang Metal Technology Co Ltd
Priority date: 2024-09-28
Filing date: 2024-09-28
Publication date: 2025-07-22
Anticipated expiration: 2034-09-28

Abstract

The utility model discloses a purging device used for stainless steel strips after pickling, which comprises a box body, a strip steel conveying mechanism, a limiting mechanism, an extrusion cleaning mechanism, a conveying roller, an air pump, a water pump, a blow-off pipe, a spray head water pipe, a purging air pipe, a feed port and a discharge port, wherein the strip steel conveying mechanism is provided with two groups and is respectively arranged at the feed port and the discharge port, the limiting mechanism is arranged in the box body, the extrusion cleaning mechanism is provided with two groups and is respectively arranged at the rear end of the limiting mechanism and the front end of the discharge port, the strip steel conveying mechanism can convey strip steel with different plate thicknesses and simultaneously compress the strip steel, the strip steel can enter a treatment area stably and efficiently, the working efficiency is improved, the spray head water pipe can spray clear water to the surface of the strip steel, the purging air pipe can purge accumulated water and impurities on the surface of the strip steel, the limiting mechanism can ensure the position of the strip steel in the box body, the transverse offset of the strip steel in the conveying process is prevented, and the extrusion cleaning mechanism can effectively clean the surface of the strip steel.

Description

A purge unit after pickling for stainless steel band steel

Technical Field

The utility model belongs to the technical field of stainless steel strip pickling lines, and particularly relates to a purging device used for stainless steel strip after pickling.

Background

The pickling of stainless steel strip is an important surface treatment technology, and the surface of the stainless steel strip is cleaned and treated by using an acid solution to remove oxide skin, welding slag, metal oxide and dirt on the surface, so that the smoothness and corrosion resistance of the surface of the stainless steel strip are improved, and the surface of the stainless steel strip can reach a smooth and bright state through the pickling treatment, and meanwhile, the oxide skin and other pollutants are removed, so that the surface is smoother. The appearance quality of the stainless steel strip steel is improved, and the corrosion resistance and the attractiveness of the stainless steel strip steel are also enhanced. In addition, the acid washing treatment can provide a good foundation for the subsequent procedures of electroplating, coloring, polishing, passivation and the like, and ensure the stable performance of the stainless steel strip during the processing and the use.

Through retrieval, the surface purging device of the strip steel pickling line with the prior art authority publication number of CN 218710879U is convenient for filtering the slag generated in the pickling process, so that the acid liquor is not easy to pollute, and the continuous pickling effect is improved, including an acid tank; the acid cylinder is internally and fixedly connected with a filter plate, the fixed plate is fixedly connected in the acid cylinder, two first electric cylinders are installed on the fixed plate, the output ends of the two first electric cylinders penetrate through the fixed plate and are fixedly connected with a lifting plate, a cleaning mechanism is installed on the fixed plate and is used for cleaning broken slag on the surface of strip steel, a circulating mechanism is installed on the acid cylinder and is used for circulating acid liquid, and a conveying mechanism is installed on the acid cylinder and is used for conveying strip steel. The surface purging device of the strip steel pickling line is not provided with a limiting mechanism, and cannot effectively solve the transverse offset in the strip steel conveying process.

Through retrieval, the purging device for removing residual acid in the pickling process with the prior art authority bulletin number of CN 216095297U comprises an operation box, wherein a guide rail is fixedly connected to the center position of the inner top surface of the operation box, a truss is slidably connected to the inner surface of the guide rail, a clamping manipulator is fixedly connected to the bottom surface of the truss, guide rods are fixedly connected between the inner top surface and the inner bottom surface of the operation box, which are positioned on two sides of the truss, the servo motor can drive the acid removal roller and the gas spray head to remove residual acid on the surface of a plate, the residual acid on the surface of the plate is cleaned by using a small amount of clean water after passing through the gas spray head and the acid removal roller, the efficiency of removing residual acid is improved, residual acid in bristles on the outer edge of the acid removal roller is prevented from being too much to be difficult to perform acid removal work by driving the acid removal hoop through the hydraulic telescopic rod, the cleaning efficiency of the acid removal roller is ensured, and the recovery of residual acid is convenient. The device uses the manipulator to centre gripping belted steel, and is different to the belted steel centre gripping effect of different thickness, has the risk that drops in the centre gripping process.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a purging device for stainless steel strips after pickling, wherein a strip steel conveying mechanism can convey strip steel with different plate thicknesses and simultaneously compress the strip steel, so that the stainless steel strip steel can stably and efficiently enter a treatment area, the working efficiency is improved, a spray head water pipe can spray clear water to the surface of the stainless steel strip steel, a purging air pipe can purge water and impurities on the surface of the stainless steel strip steel, a limiting mechanism can ensure the position of the strip steel in a box body, the transverse deflection of the strip steel in the conveying process is prevented, and an extrusion cleaning mechanism can effectively clean the surface of the stainless steel strip steel.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The device comprises a box body, strip steel conveying mechanisms, limiting mechanisms, extrusion cleaning mechanisms, conveying rollers, an air pump, a water pump, a drain pipe, a spray head water pipe, a blowing air pipe, a feed inlet and a discharge outlet, wherein the strip steel conveying mechanisms are arranged in two groups, one group is arranged at the feed inlet at the front end of the box body, the other group is arranged at the discharge outlet at the rear end of the box body, the limiting mechanisms are arranged at the rear end of the feed inlet in the box body, the conveying rollers are arranged below the limiting mechanisms, the spray head water pipe is arranged above the limiting mechanisms, the spray head water pipe is also arranged in the lower space between the conveying rollers, the extrusion cleaning mechanisms are arranged in two groups, one group is positioned at the rear end of the limiting mechanisms, the other group is positioned at the front end of the discharge outlet, the conveying rollers are arranged in the middle of the two groups, the upper part of the conveying rollers is provided with the blowing air pipe, the blowing air pipe is connected with the water pump, the blowing air pipe is conical at the bottom of the box body, and the drain pipe is arranged.

The strip steel conveying mechanism comprises a feeding roller, a pressing plate roller, a motor I, a motor II, an upper positioning plate, a spring, a guide shaft, a limiting block, a buffer shaft, a roller support, a positioning plate, a T-shaped positioning plate and a limiting chute, wherein the lower part of the upper positioning plate is connected with the guide shaft, the buffer shaft is arranged in the guide shaft and is in sliding connection with the guide shaft, the limiting block is connected with the buffer shaft and is arranged in the chute of the guide shaft, the spring is arranged between the upper positioning plate and the limiting block, the lower part of the buffer shaft is connected with the roller support, the roller support is connected with the pressing plate roller, the T-shaped positioning plate is arranged at two ends of the pressing plate roller and is in sliding connection with the limiting chute, the feeding roller is arranged below the pressing plate roller, the positioning plates are arranged at two ends of the feeding roller, the motor II is arranged on the positioning plate at one end and is in sliding connection with the box body, and the upper positioning plate, the limiting chute and the positioning plate are all connected with the box body.

The limiting mechanism comprises an electric push rod I, a locating frame, a limiting push plate, a telescopic locating rod and a push rod mounting plate, wherein the push rod mounting plate is connected with the locating frame, the electric push rod I is arranged in the middle of the push rod mounting plate, the ejection end of the electric push rod I is connected with the limiting push plate, the telescopic locating rod is arranged at two ends of the push rod mounting plate, the telescopic end of the telescopic locating rod is connected with the limiting push plate, the limiting push plate is perpendicular to the conveying roller and is attached to the conveying roller, the locating frame is connected with the box body, and the telescopic locating rod is arranged at two sides outside the box body.

The extrusion cleaning mechanism comprises a screw motor, a motor mounting plate, a screw, a positioning sliding block, a screw fixing plate, a rolling brush, a motor III, a rubber rolling brush sleeve, an arc supporting plate, a main shaft, a limiting ring, a connecting rod, a pin shaft hole, a square key slot, an electric push rod II, a sliding connecting shaft and a telescopic connecting rod; the screw motor is arranged on a motor mounting plate, the screw motor is connected with the screw, the positioning sliding block is in sliding connection with the screw, the screw fixing plate is arranged at the bottom of the screw, one side of the positioning sliding block is connected with the main shaft, the other side of the positioning sliding block is connected with the telescopic connecting rod, two groups of limiting rings are arranged on the main shaft, the four groups of connecting rods are distributed in an equidistant circumference manner, the bottom of the arc supporting plate is provided with a pin hole, the pin hole is connected with the pin shaft, the connecting rods are connected with the pin shaft, the arc supporting plate is provided with four groups of equidistant circumferencial distribution, the sliding connecting shaft body is provided with square keys, the inside of the main shaft is provided with square key grooves, the sliding connecting shaft is in sliding connection with the main shaft and is positioned with the square key grooves through the square keys, one end of the sliding connecting shaft is provided with the limiting rings, the connecting rods are also connected with the connecting rods through the pin shafts, the electric push rod II is arranged inside the main shaft, the ejection end of the electric push rod II is connected with the sliding connecting shaft, the telescopic connecting rod telescopic end is connected with the sliding connecting shaft, the other end of the positioning sliding connecting rod is connected with the positioning sliding block, the rubber rolling brush sleeve is sleeved with the arc supporting plate, the lower part of the rubber rolling brush is provided with the rolling brush, one end of the rolling brush is provided with the motor III, the motor mounting plate and the screw fixing plate is arranged outside the screw III.

Compared with the prior art, the utility model has the beneficial effects that:

1) The strip steel conveying mechanism drives the feeding roller to rotate through the motor II, the motor I drives the pressing plate roller to rotate to convey stainless steel strip steel into the feeding port, the upper pressing plate roller plays a role in pressing the stainless steel strip steel while conveying the stainless steel strip steel through a spring between the limiting block and the upper positioning plate, and plays a role in limiting the position through sliding connection of the T-shaped positioning plate and the limiting sliding groove, so that the effect of pressing the strip steel while conveying strip steel with different thicknesses is achieved, friction force between the upper roller and the lower roller is increased, the stainless steel strip steel is ensured to stably and efficiently enter a treatment area, and the working efficiency is improved;

2) The stainless steel strip enters the treatment area in the box body, the conveying roller in the box body plays a role in positioning the stainless steel strip and assisting in conveying, the electric push rods I at two sides of the limiting mechanism push out the limiting push plate, so that the limiting push plate is attached to the stainless steel strip, the telescopic positioning rods at two sides play a role in stabilizing the limiting push plate, the position of the strip steel in the box body is ensured through the limiting mechanism, the transverse offset of the strip steel in the conveying process is effectively prevented, the accurate position of the strip steel in the box body is ensured, and the smoothness of the device in working is ensured;

3) The motor III of the extrusion cleaning mechanism drives the rolling brush to rotate, the lead screw motor controls the positioning sliding block to move up and down, the positioning sliding block is connected with the main shaft to drive the main shaft and other mechanisms on the main shaft to lift together, the electric push rod II in the main shaft controls the sliding connecting shaft to stretch and retract, the main shaft and the limiting ring on the sliding connecting shaft control the shrinkage and expansion of the arc-shaped supporting plate through the connecting rod, the rubber rolling brush sleeve is sleeved on the arc-shaped supporting plate, the shrinkage and expansion of the arc-shaped supporting plate drive the shrinkage and expansion of the rubber rolling brush sleeve, the lead screw motor controls the up-and-down movement of the main shaft and the shrinkage and expansion of the arc-shaped supporting plate, the stainless steel belt steel can be tightly attached to the rubber rolling brush sleeve above and the rolling brush below, the motor III controls the rolling brush to rotate to drive the stainless steel belt steel to displace forwards, and the upper surface and lower surface of the stainless steel belt steel are effectively cleaned when the stainless steel belt is subjected to extrusion cleaning mechanism.

Drawings

FIG. 1 is a schematic diagram of a post-pickling purge apparatus for stainless steel strip according to the present utility model;

FIG. 2 is a schematic view of the structure of the case in FIG. 1;

FIG. 3 is a schematic diagram II of a post-pickling purge device for stainless steel strip according to the present utility model;

FIG. 4 is a schematic view of the belt steel transport mechanism of FIG. 1;

FIG. 5 is a schematic view of the spacing mechanism of FIG. 1;

FIG. 6 is a schematic view of the squeeze cleaning mechanism of FIG. 1;

FIG. 7 is a schematic diagram II of the squeeze cleaning mechanism of FIG. 1;

FIG. 8 is a schematic diagram III of the squeeze cleaning mechanism of FIG. 1;

11, a box body, 12, a strip steel conveying mechanism, 13, a limiting mechanism, 14, an extrusion cleaning mechanism, 15, a conveying roller, 16, an air pump, 17, a water pump, 18, a blow-down pipe, 19, a nozzle water pipe, 20, a blowing air pipe, 21, a feed inlet, 22, a discharge outlet, 101, a feeding roller, 102, a pressing roller, 103, a motor I, 104, a motor II, 105, an upper positioning plate, 106, a spring, 107, a guide shaft, 108, a limiting block, 109, a buffer shaft, 110, a roller bracket, 111, a positioning plate, 112, a T-shaped positioning plate, 113, a limiting chute, 201, an electric push rod I, 202, a positioning frame, 203, a limiting push plate, 204, a telescopic positioning rod, 205, a push rod mounting plate, 301, a screw motor 302, a motor mounting plate, 303, a screw, 304, a positioning slide block, 305, a screw fixing plate, 306, a rolling brush, 307, a motor III, 308, a rubber rolling sleeve, 309, an arc-shaped supporting plate, 310, a main shaft, 311, a limiting ring, 312, a connecting rod, 313, a pin shaft, 314, a pin shaft, a hole, a 319, a key, a push rod, a 315, a key-in a telescopic connection, a square shaft, 317.

Detailed Description

In order to facilitate understanding of those skilled in the art, the technical scheme of the present utility model will be further specifically described below with reference to fig. 1 to 8.

The device comprises a box body 11, a strip steel conveying mechanism 12, a limiting mechanism 13, an extrusion cleaning mechanism 14, conveying rollers 15, an air pump 16, a water pump 17, a drain pipe 18, a spray head water pipe 19, a purging air pipe 20, a feed inlet 21 and a discharge outlet 22, wherein the strip steel conveying mechanism 12 is provided with two groups, one group is arranged at the feed inlet 21 at the front end of the box body 11, the other group is arranged at the discharge outlet 22 at the rear end of the box body 11, the limiting mechanism 13 is arranged at the rear end of the feed inlet 21 inside the box body 11, the conveying rollers 15 are arranged below the limiting mechanism 13, the spray head water pipe 19 is arranged above the limiting mechanism 13, the spray head water pipe 19 is also arranged in the lower space between the conveying rollers 15, the extrusion cleaning mechanism 14 is provided with two groups, one group is positioned at the front end of the discharge outlet 22, the conveying rollers 15 are arranged between the two groups of extrusion cleaning mechanisms 14, the upper part of the conveying rollers 15 is provided with the air pipe 20, the spray head water pipe 19 is connected with the water pump 17, the purging air pipe 20 is connected with the air pump 16, and the bottom of the box body 11 is conical, and the drain pipe 18 is arranged.

The strip steel conveying mechanism 12 comprises a feeding roller 101, a pressing plate roller 102, a motor I103, a motor II104, an upper positioning plate 105, springs 106, guide shafts 107, limiting blocks 108, a buffer shaft 109, a roller bracket 110, positioning plates 111, T-shaped positioning plates 112 and limiting sliding grooves 113, wherein the lower part of the upper positioning plate 105 is connected with the guide shafts 107, the buffer shaft 109 is partially arranged in the guide shafts 107 and is in sliding connection with the guide shafts 107, the limiting blocks 108 are connected with the buffer shaft 109 and are arranged in sliding grooves of the guide shafts 107, the springs 106 are arranged between the upper positioning plates 105 and the limiting blocks 108, the lower part of the buffer shaft 109 is connected with the roller bracket 110, the roller bracket 110 is connected with the pressing plate roller 102, the T-shaped positioning plates 112 are arranged at two ends of the pressing plate roller 102, the motor I103 is arranged on the T-shaped positioning plates 112 at one end of the motor bracket to control the pressing plate roller 102 to rotate, the T-shaped positioning plates 112 are arranged in the limiting sliding grooves 113 to be in sliding connection with the limiting sliding grooves 113, the feeding roller 101 is arranged below the pressing plate 102, the two ends of the feeding roller 101 are provided with positioning plates 111, the motor II is arranged on the positioning plates 111 at one end of the positioning plates 111 to control the pressing plate 102 to rotate, the upper positioning plates 105, the two positioning plates 111 and the limiting plates 111 are connected with the box 11.

The limiting mechanism 13 comprises an electric push rod I201, a locating frame 202, a limiting push plate 203, a telescopic locating rod 204 and a push rod installing plate 205, wherein the push rod installing plate 205 is connected with the locating frame 202, the electric push rod I201 is arranged in the middle of the push rod installing plate 205, the ejection end of the electric push rod I201 is connected with the limiting push plate 203, the telescopic locating rod 204 is arranged at two ends of the push rod installing plate 205, the telescopic end of the telescopic locating rod 204 is connected with the limiting push plate 203, the limiting push plate 203 is perpendicular to the conveying roller 15 and is attached to the conveying roller 15, the locating frame 202 is connected with the box 11, and the locating frame is arranged at two sides outside the box 11.

The extrusion cleaning mechanism 14 comprises a screw motor 301, a motor mounting plate 302, a screw 303, a positioning slide block 304, a screw fixing plate 305, a rolling brush 306, a motor III307, a rubber rolling brush sleeve 308, an arc supporting plate 309, a main shaft 310, a limiting ring 311, a connecting rod 312, a pin shaft 313, a pin shaft hole 314, a square key 315, a square key slot 316, an electric push rod II317, a sliding connecting shaft 318 and a telescopic connecting rod 319; the screw motor 301 is mounted on the motor mounting plate 302, the screw motor 301 is connected with the screw 303, the positioning slide block 304 is in sliding connection with the screw 303, a screw fixing plate 305 is arranged at the bottom of the screw 303, one side of the positioning slide block 304 is connected with the main shaft 310, the other side of the positioning slide block 304 is connected with a telescopic connecting rod 319, two groups of limiting rings 311 are arranged on the main shaft 310, the limiting rings 311 are connected with four groups of connecting rods 312 through pin shafts 313, the four groups of connecting rods 312 are distributed at equal intervals in circumference, a pin shaft hole 314 is arranged at the bottom of the arc supporting plate 309, the pin shafts 314 are connected with the pin shafts 313, the connecting rods 312 are connected with the pin shafts 313, so that the arc supporting plate 309 is connected with the connecting rods 312, the arc supporting plate 309 is provided with four groups of equidistant circumference, a square key 315 is arranged on the shaft body of the sliding connecting shaft 318, a square key groove 316 is arranged in the main shaft 310, the sliding connecting shaft 318 is in sliding connection with the main shaft 310 and is positioned with the square key 316 through the square key 315, one end of the sliding connecting shaft 318 is provided with a limiting ring 311, the connecting rod 312 is also connected with the connecting rod 312 through the pin shafts 313, the connecting rod 312 is connected with the arc supporting plate 309 through the pin shafts 313, the ejection end of the electric supporting plate 317 is arranged in the inside the main shaft 310, the arc supporting plate is connected with the other end of the sliding connecting rod is connected with the sliding connecting rod is 308 through the sliding connecting rod is provided with the sliding connecting rod 308, the other end is connected with the telescopic connecting rod 308, the telescopic connecting rod is in the telescopic connecting rod is sleeved with the telescopic connecting rod 308, one end of the rolling brush is provided with a motor III307, the motor mounting plate 302 and the screw rod fixing plate 305 are connected with the box 11, and the motor III307 is arranged outside the box 11.

A purge device after pickling for stainless steel strip steel, the working process is as follows:

During operation, stainless steel strip is fed into the space between the feeding roller 101 and the pressing plate roller 102 of the strip steel conveying mechanism 12, the feeding roller 101 is driven to rotate by the motor II104, the pressing plate roller 102 is driven to rotate by the motor I103, the stainless steel strip is fed into the feeding port 21, the upper pressing plate roller 102 plays a role in pressing the stainless steel strip steel while conveying the stainless steel strip steel through the spring 106 between the limiting block 108 and the upper positioning plate 105, plays a role in limiting positions through sliding connection of the T-shaped positioning plate 112 and the limiting sliding groove 113, accordingly, the effect of pressing the strip steel while conveying strip steel with different thicknesses is achieved, friction force between the upper roller and the lower roller is increased, the stainless steel strip steel is ensured to stably and efficiently enter a treatment area, and the working efficiency is improved.

Stainless steel strip steel enters an internal processing area of the box body 11, the conveying roller 15 in the box body 11 plays a role in positioning the stainless steel strip steel and assisting in conveying, the electric push rods I201 on two sides of the limiting mechanism 13 push out the limiting push plate 203, the limiting push plate 203 is attached to the stainless steel strip steel, the telescopic positioning rods 204 on two sides play a role in stabilizing the limiting push plate 203, the position of the strip steel in the box body is guaranteed through the limiting mechanism 13, transverse deflection of the strip steel in the conveying process is effectively prevented, the accurate position of the strip steel in the box body is guaranteed, the smoothness of the device in working is guaranteed, and the spray head water pipe 19 starts spraying clean water to the stainless steel strip steel.

The stainless steel strip continuously forwards reaches the extrusion cleaning mechanism 14, the motor III307 drives the rolling brush 306 to rotate, the lead screw motor 301 controls the positioning sliding block 304 to move up and down, the positioning sliding block 304 is connected with the main shaft 310 to drive the main shaft 310 and other mechanisms on the main shaft to lift together, the electric push rod II317 in the main shaft 310 controls the sliding connecting shaft 318 to stretch and retract, the main shaft 310 and the limiting ring 311 on the sliding connecting shaft 318 control the shrinkage and expansion of the arc supporting plate 309 through the connecting rod 312, the rubber rolling brush sleeve 308 is sleeved on the arc supporting plate 309, the shrinkage and expansion of the arc supporting plate 309 drives the shrinkage and expansion of the rubber rolling brush sleeve 308, the lead screw motor 301 controls the up-and-down movement of the main shaft 310 and the shrinkage and expansion of the arc supporting plate 309, the stainless steel strip can be tightly attached to the rubber rolling brush sleeve 308 above and the rolling brush 306 below, the motor III307 controls the rolling brush 306 to rotate to drive the stainless steel strip to displace forwards, and the upper surface and lower surface of the stainless steel strip is effectively cleaned when the stainless steel strip passes through the extrusion cleaning mechanism 14.

The stainless steel strip passes through the extrusion cleaning mechanism 14 and then reaches the area provided with the purging air pipe 20, the purging air pipe 20 is distributed up and down to purge water and impurities on the surface of the stainless steel strip completely, the stainless steel strip passes through the second group of extrusion cleaning mechanisms 14 before reaching the discharge hole 22, and the device is sent out by the strip steel conveying mechanism 12 of the discharge hole 22 to finish the work.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more, and the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.

In summary, the electronic or electric components including but not limited to the motor I, the motor II, the motor III, the electric push rod I, the electric push rod II, and the like are components in the prior art, and the electrical connection between the components is conventional circuit connection or electrical connection in the prior art through private customization or purchase, which is not the protection scope of the present utility model.

The foregoing is merely illustrative and explanatory of the utility model, as it is well within the scope of the utility model as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The device comprises a box body, strip steel conveying mechanisms, limiting mechanisms, extrusion cleaning mechanisms, conveying rollers, an air pump, a water pump, a drain pipe, a spray head water pipe, a blowing air pipe, a feed inlet and a discharge outlet, and is characterized in that the strip steel conveying mechanisms are arranged in two groups, one group is arranged at the feed inlet at the front end of the box body, the other group is arranged at the discharge outlet at the rear end of the box body, the limiting mechanisms are arranged at the rear end of the feed inlet in the box body, the conveying rollers are arranged below the limiting mechanisms, the spray head water pipe is arranged above the limiting mechanisms, the spray head water pipe is also arranged in the lower interval between the conveying rollers, the extrusion cleaning mechanisms are arranged in two groups, one group is positioned at the rear end of the limiting mechanisms, the conveying rollers are arranged in the middle of the two groups, the blowing air pipe is arranged at the upper part of the conveying rollers in the lower interval between the conveying rollers, the spray head water pipe is connected with the water pump, the blowing air pipe is conical at the bottom of the box body, and the drain pipe is arranged.

2. The post-pickling purging device for stainless steel strip steel is characterized by comprising a feeding roller, a pressing plate roller, a motor I, a motor II, an upper positioning plate, a spring, a guide shaft, a limiting block, a buffer shaft, a roller support, a positioning plate, a T-shaped positioning plate and a limiting chute, wherein the lower part of the upper positioning plate is connected with the guide shaft, the buffer shaft is arranged in the guide shaft and is in sliding connection with the guide shaft, the limiting block is connected with the buffer shaft and is arranged in the chute of the guide shaft, the spring is arranged between the upper positioning plate and the limiting block, the lower part of the buffer shaft is connected with the roller support, the roller support is connected with the pressing plate roller, the T-shaped positioning plate is arranged at two ends of the pressing plate roller, the motor I is arranged on the T-shaped positioning plate at one end of the pressing plate and is in sliding connection with the limiting chute, the feeding roller is arranged below the pressing plate roller, the positioning plate is arranged at two ends of the feeding roller, the motor II is arranged on the positioning plate at one end of the pressing plate and is in sliding connection with a box body.

3. The purging device for stainless steel strip after pickling is characterized in that the limiting mechanism comprises an electric push rod I, a locating frame, a limiting push plate, a telescopic locating rod and a push rod installing plate, wherein the push rod installing plate is connected with the locating frame, the electric push rod I is arranged in the middle of the push rod installing plate, the ejection end of the electric push rod I is connected with the limiting push plate, the telescopic locating rod is arranged at two ends of the push rod installing plate, the telescopic end of the telescopic locating rod is connected with the limiting push plate, the limiting push plate is perpendicular to the conveying roller and is attached to the conveying roller, the locating frame is connected with the box body, and the locating frame is arranged at two sides outside the box body.