CN111663146A - Material conveying mechanism for strip steel surface pickling - Google Patents

Abstract

A conveying mechanism for pickling the surface of strip steel, the invention relates to the technical field of strip steel processing equipment; it comprises a worktable and support feet, and the four corners of the lower surface of the worktable are fixed with support feet; it also includes a raw material fixing mechanism , guide mechanism and cleaning mechanism, the raw material fixing mechanism is set on the left side of the workbench, the upper side of the workbench is provided with a guide mechanism, the fixing plate in the guide mechanism is fixed on the upper surface of the workbench, and the right side of the workbench is provided with a guide mechanism. There is a cleaning mechanism, and the fixing frame in the cleaning mechanism is fixed on the upper side wall of one side of the pickling tank; the pickling tank is set on one side of the support foot; after the steel coil is limited by the raw material fixing mechanism, it is carried out through the guiding mechanism. Guide, the strip steel on the steel coil passes through the pickling tank during the conveying process, and the strip steel is pickled by the pickling liquid, thereby increasing the cleanliness of the strip steel cleaning. The invention has the advantages of reasonable setting and low production cost. Etc.

Description

A conveying mechanism for pickling of strip steel surface

technical field

The invention relates to the technical field of strip steel processing equipment, in particular to a material conveying mechanism used for pickling the surface of strip steel.

Background technique

Strip steel is a kind of narrow and long steel plate produced by various steel rolling enterprises to meet the needs of industrialized production of various metal or mechanical products in different industrial sectors. During processing, the steel strip in the steel coil needs to be pre-pickled. After the treatment, the steel strip can be put into use. The existing pickling process for hot-rolled steel coils is cleaned by manually placing the steel coils in a pickling tank, and the interior of the steel coils is not easy to clean, and needs to be improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to aim at the defects and deficiencies of the prior art, to provide a feeding mechanism for pickling the surface of strip steel with reasonable design and convenient use. Guide, the strip steel on the steel coil passes through the pickling tank during the conveying process, and the strip steel is pickled by the pickling solution, thereby increasing the cleanliness of the strip steel cleaning.

In order to achieve the above purpose, the technical scheme adopted in the present invention is as follows: it includes a workbench and support feet, and the four corners of the lower surface of the workbench are fixed with support feet; it also includes a material fixing mechanism, a guiding mechanism and a cleaning mechanism, and the material fixing mechanism is set. On the left side of the workbench, the upper side of the workbench is provided with a guide mechanism, the fixing plate in the guide mechanism is fixed on the upper surface of the workbench, and the right side of the workbench is provided with a cleaning mechanism, the fixing frame in the cleaning mechanism It is fixed on the upper side wall of one side of the pickling tank; the pickling tank is arranged on one side of the support foot;

The above-mentioned raw material fixing mechanism is composed of a base, a support plate and a roller. The base is arranged on one side of the support foot, and the left and right sides of the upper side of the base are provided with rollers. The lower side of the base is fixedly connected with the upper surface of the base;

The above-mentioned guide mechanism also includes a guide wheel, a pulley, a support rod, a limit wheel and a connecting plate. The left and right sides of the worktable are provided with guide wheels, and the front and rear sides of the guide wheel are screwed with connecting plates through bearings. One side of the plate is inserted into the front and rear side walls of the workbench and fixed by bolts. Several support columns are fixed in the center of the upper surface of the workbench. There are pulleys on the left and right sides. The front and rear ends of the pulley are screwed to the support rods through bearings. The support rods on both sides are respectively fixed on the left and right side walls of the fixed plate. The pulleys are suspended on the upper side of the workbench. The lower right side of the workbench is provided with a support frame, which is arranged in a "U" shape. The support frame is arranged inside the pickling tank. The upper sides of the front and rear sides of the support frame and the front and rear sides of the pickling tank are arranged. A limit wheel is arranged inside the support frame, and the front and rear ends of the limit wheel are respectively screwed to the front and rear side walls of the support frame through bearings;

The above-mentioned cleaning mechanism also includes a base plate, a pressure plate, a No. 1 wiping cloth, a No. 1 insert rod, a No. 1 sleeve, a No. 1 screw and a No. 1 internal thread pipe. It is fixedly connected to the inner side walls of the front and rear sides of the fixing frame respectively, the upper side of the bottom plate is suspended with a pressure plate, the lower side wall of the pressure plate and the upper surface of the bottom plate are fixed with a No. The upper end of the No. 1 screw is inserted into the No. 1 internally threaded pipe, and is screwed through the thread. After passing through the bearing in the upper side wall of the fixing frame, the upper end of the No. 1 internal threaded pipe is exposed on the upper side of the fixing frame and fixed. One side of the upper side wall of the frame is inserted and fixed with a No. 1 sleeve. After the lower end of the No. 1 sleeve passes through the upper side wall of the fixing frame, it is sleeved on the No. 1 insertion rod, and the lower end of the No. 1 insertion rod passes through a No. 1 insertion rod. After the lower end of the sleeve is fixed, it is fixed on one side of the upper surface of the platen.

Further, the upper end of the No. 1 internally threaded pipe is fixed with a hand screw, and the hand screw is exposed on the upper side of the fixing frame.

Further, the lower left side of the bottom plate is provided with a fixing frame, the front and rear sides of the fixing frame are respectively fixedly connected to the inner side walls of the front and rear sides of the pickling tank, and the lower side inside the fixing frame is provided with a filter screen.

Further, an interference plate is suspended on the upper side of the fixing plate, and a No. 2 sleeve is fixed on one side of the upper surface of the collision plate. After the upper end of the insertion rod passes through the upper end of the No. 2 sleeve, it is fixed on the inner side wall of the upper side of the limit frame, the limit frame is fixed on the upper surface of the worktable, and the motor is fixed on the outer side wall of the upper side of the limit frame , The motor is connected to the external power supply. After the output shaft of the motor passes through the limit frame, it is fixedly connected to the upper end of the No. 2 screw. The lower end of the inner threaded pipe is fixed on the upper surface of the abutting plate, and No. 2 wiping cloths are fixed on the lower surface of the abutting plate and the upper surface of the fixing plate.

Further, hanging plates are inserted on the upper sides of the front and rear sides of the support frame, the hanging plates are arranged in an inverted "L" shape, and the vertical plates of the hanging plates are inserted in the support frame and fixed by bolts. The horizontal boards of the hanging boards on both sides are respectively hung on the upper side walls of the front and rear sides of the pickling tank.

Further, the center of the upper side of the base is provided with a screw rod, and the rear end of the screw rod is screwed with the support plate on the rear side through a bearing, and the screw rod is set opposite to the threads on both sides with the middle end as the center, and the screw rod is arranged in the opposite direction. The front end of the screw rod passes through the support plate on the front side and is fixedly connected with the No. 2 hand screw. A limit plate is fixed on the nut at both ends of the screw rod. The limit plate is suspended on the upper side of the support plate, and the lower side wall of the limit plate is fixed. Limit blocks are fixed at both ends of the limit block, and the lower side of the limit block is arranged in contact with the support plate.

After adopting the above-mentioned structure, the beneficial effects of the present invention are:

1. After the steel coil is limited by the raw material fixing mechanism, it is guided by the guiding mechanism. During the conveying process, the strip steel on the steel coil passes through the pickling tank, and the strip steel is pickled by the pickling solution, and then Increase the cleanliness of strip cleaning;

2. The strip after passing through the pickling tank can be cleaned by a cleaning mechanism to clean the impurities reflected on the surface of the strip to reduce the impurities contained in the strip;

3. The strip steel is guided by the guiding mechanism during the conveying process, which can increase the tension of the strip steel during the conveying process and prevent the strip steel from bending.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a top view of FIG. 1 .

FIG. 3 is a cross-sectional view A-A in FIG. 2 .

FIG. 4 is an enlarged view of part B in FIG. 3 .

FIG. 5 is an enlarged view of part C in FIG. 3 .

FIG. 6 is a schematic structural diagram of the limiting plate in the present invention.

FIG. 7 is a schematic structural diagram of a support frame in the present invention.

Description of reference numbers:

Workbench 1, support feet 2, material fixing mechanism 3, base 3-1, support plate 3-2, roller 3-3, guide mechanism 4, fixed plate 4-1, guide wheel 4-2, pulley 4-3, Support rod 4-4, limit wheel 4-5, connecting plate 4-6, support column 4-7, support frame 4-8, cleaning mechanism 5, fixing frame 5-1, bottom plate 5-2, pressure plate 5-3 , No. 1 wiping cloth 5-4, No. 1 insert rod 5-5, No. 1 casing 5-6, No. 1 screw 5-7, No. 1 internal thread pipe 5-8, No. 6 pickling tank, No. 1 hand screw 7. Fixed frame 8, filter screen 9, contact plate 10, No. 2 bushing 11, No. 2 insertion rod 12, limit frame 13, motor 14, No. 2 screw 15, No. 2 internal thread tube 16, No. 2 wiping cloth 17. Hanging plate 18, screw 19, second hand screw 20, limit plate 21, limit block 22.

Detailed ways:

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1-FIG. 7, this specific embodiment adopts the following technical solutions: it includes a workbench 1 and a supporting foot 2, and the four corners of the lower surface of the workbench 1 are welded and fixed with supporting legs 2; it also includes a raw material fixing mechanism 3 , a guide mechanism 4 and a cleaning mechanism 5, the raw material fixing mechanism 3 is arranged on the left side of the worktable 1, and the raw material fixing mechanism 3 is composed of a base 3-1, a support plate 3-2 and a roller 3-3, and the base 3-1 is set on the One side of the support foot 2, the left and right sides of the upper side of the base 3-1 are provided with rollers 3-3, and the front and rear ends of the roller 3-3 are respectively screwed to the support plate 3-2 through bearings, and the bearings are respectively embedded Inside the support plates 3-2 on the front and rear sides, the outer rings are welded and fixed with the inner side walls of the support plates 3-2 on the front and rear sides, respectively, and the inner rings are welded and fixed with the rotating shafts at the front and rear ends of the roller 3-3, respectively. The lower side of the support plate 3-2 is welded and fixed with the upper surface of the base 3-1, and the center of the upper side of the base 3-1 is provided with a screw rod 19, and the rear end of the screw rod 19 is connected to the rear support plate 3-1 through a bearing. 2. Rotate, the bearing is embedded in the rear support plate 3-2, and its outer ring is welded and fixed to the inner side wall of the rear support plate 3-2, and its inner ring is welded and fixed to the rear end of the screw rod 19. , the screw rod 19 is set opposite to the threads on both sides with the middle end as the center. After the front end of the screw rod 19 passes through the support plate 3-2 on the front side, it is welded and fixed with the second hand screw 20. The limit plate 21 is welded and fixed, the limit plate 21 is suspended on the upper side of the support plate 3-2, and both ends of the lower side wall of the limit plate 21 are welded and fixed with a limit block 22. The lower part of the limit block 22 is welded and fixed. The side is in contact with the support plate 3-2, and the position of the limit plate 21 can be adjusted according to the width of the steel coil, which is convenient for limiting the steel coil;

The upper side of the workbench 1 is provided with a guide mechanism 4. The fixed plate 4-1 in the guide mechanism 4 is welded and fixed on the upper surface of the workbench 1. The guide mechanism 4 also includes a guide wheel 4-2, a pulley 4-3, The support rod 4-4, the limit wheel 4-5 and the connecting plate 4-6, the left and right sides of the worktable 1 are provided with guide wheels 4-2, and the front and rear sides of the guide wheel 4-2 are screwed through bearings There are connecting plates 4-6, the bearings are respectively embedded in the connecting plates 4-6 on the front and rear sides, and the outer rings are welded and fixed with the inner side walls of the connecting plates 4-6 on the front and rear sides respectively, and the inner rings are respectively The rotating shafts at the front and rear ends of the guide wheel 4-2 are fixed by welding. One side of the connecting plate 4-6 is inserted into the front and rear side walls of the workbench 1 and fixed by bolts. The center of the upper surface of the workbench 1 is welded and fixed with several A support column 4-7, the upper end of the support column 4-7 is welded and fixed to the lower surface of the fixing plate 4-1, and the left and right sides of the fixing plate 4-1 are provided with pulleys 4-3. The front and rear ends are respectively screwed to the support rods 4-4 through bearings, the bearings are respectively embedded in the support rods 4-4 on the front and rear sides, and the outer rings are respectively connected with the inner walls of the support rods 4-4 on the front and rear sides. The inner ring is welded and fixed with the rotating shafts at the front and rear ends of the pulley 4-3 respectively. The support rods 4-4 on both sides are welded and fixed on the left and right side walls of the fixed plate 4-1 respectively, and the pulley 4-3 is suspended. On the upper side of the workbench 1, the lower right side of the workbench 1 is provided with a support frame 4-8, the support frame 4-8 is arranged in a "U" shape, and the support frame 4-8 is arranged inside the pickling tank 6, The upper sides of the front and rear sides of the support frame 4-8 and the front and rear two side walls of the pickling tank 6 are arranged. The inner part of the support frame 4-8 is provided with a limit wheel 4-5, and the front and rear ends of the limit wheel 4-5 are respectively The bearings are screwed to the front and rear side walls of the support frame 4-8, the bearings are respectively embedded in the front and rear side walls of the support frame 4-8, and the outer rings of the bearings are respectively connected to the inner sides of the front and rear sides of the support frame 4-8. The wall is welded and fixed, and its inner ring is welded and fixed with the rotating shafts at the front and rear ends of the limit wheels 4-5 respectively. The upper sides of the front and rear sides of the support frame 4-8 are inserted with hanging plates 18, and are fixed by bolts. 18 is arranged in an inverted "L" shape, and the horizontal plates of the hanging plates 18 on the front and rear sides are respectively hung on the upper side walls of the front and rear sides of the pickling tank 6, which can easily adjust the positions of the support frames 4-8;

The right side of the workbench 1 is provided with a cleaning mechanism 5, the fixing frame 5-1 in the cleaning mechanism 5 is welded and fixed on the upper side wall of one side of the pickling tank 6, and the pickling tank 6 is arranged on one side of the support foot 2 , the cleaning mechanism 5 also includes a bottom plate 5-2, a pressure plate 5-3, a No. 1 wiping cloth 5-4, a No. 1 insert rod 5-5, a No. The threaded pipe 5-8, the lower side inside the fixing frame 5-1 is provided with a bottom plate 5-2, the front and rear sides of the bottom plate 5-2 are respectively welded and fixed with the inner side walls of the front and rear sides of the fixing frame 5-1, and the bottom plate 5- A pressure plate 5-3 is suspended on the upper side of the pressure plate 5-3, the lower side wall of the pressure plate 5-3 and the upper surface of the bottom plate 5-2 are glued and fixed with a No. 1 wiping cloth 5-4, and the right side of the upper surface of the pressure plate 5-3 is welded. A No. 1 screw 5-7 is fixed, and the upper end of the No. 1 screw 5-7 is inserted into a No. 1 inner threaded pipe 5-8, and is screwed through a thread, and the upper end of the No. 1 inner threaded pipe 5-8 passes through the fixing frame 5-1 After the bearing in the upper side wall is fixed by welding with the No. 1 hand screw 7, the outer ring of the bearing is welded and fixed with the inner side wall of the upper side of the fixing frame 5-1, and its inner ring is fixed with the No. 1 internal threaded pipe 5- 8. Welding and fixing, one side of the upper side wall of the fixing frame 5-1 is inserted and welded and fixed with a No. 1 sleeve 5-6. After the lower end of the No. 1 sleeve 5-6 passes through the upper side wall of the fixing frame 5-1, Set on the No. 1 insertion rod 5-5, after the lower end of the No. 1 insertion rod 5-5 passes through the lower end of the No. 1 sleeve 5-6, it is welded and fixed on one side of the upper surface of the pressure plate 5-3, and the bottom plate 5 The lower left side of -2 is provided with a fixed frame 8, the front and rear sides of the fixed frame 8 are respectively fixedly connected to the inner side walls of the front and rear sides of the pickling tank 6 through bolts. The outer edge of the net 9 is fixedly connected to the inner side wall of the fixing frame 8 by bolts, and the impurities cleaned by the cleaning mechanism 5 can be filtered through the filter net 9;

The upper side of the fixing plate 4-1 is suspended with an abutting plate 10, the right side of the upper surface of the abutting plate 10 is welded and fixed with a No. 2 bushing 11, and a No. 2 inserting rod 12 is inserted in the inside of the No. 2 bushing 11. After the upper end of the No. 2 inserting rod 12 passes through the upper end of the No. 2 sleeve 11, it is welded and fixed on the inner side wall of the upper side of the limit frame 13, and the limit frame 13 is welded and fixed on the upper surface of the workbench 1. A motor 14 is fixed on the outer side wall of the upper side of the frame 13 by bolts. The model of the motor 14 is 50KTYZ. The motor 14 is connected to an external power supply. Welding and fixing, the lower end of the No. 2 screw 15 is inserted into the No. 2 internally threaded pipe 16, and through screwing, the lower end of the No. 2 internal threaded pipe 16 is welded and fixed on the upper surface of the abutting plate 10, and the lower No. 2 wiping cloth 17 is adhered and fixed on the surface and the upper surface of the fixing plate 4-1. Before pickling the steel strip, the second wiping cloth 17 can be used to clean the steel strip.

The working principle of this specific embodiment: when in use, place the steel coil on the two rollers 3-3 on the base 3-1, then turn the second hand to screw 20, and the second hand to screw 20 drives the lead screw 19 to rotate. The threads at both ends of the screw rod 19 are arranged in opposite directions. When the screw rod 19 rotates, it drives the limit plates 21 on both sides to move toward the center until the limit plates 21 contact the front side of the steel coil, and then pull the head end of the steel coil. After passing through the guide wheel 4-2 on the left, the pulley 4-3, and the guide wheel 4-2 on the right in turn, insert it to the lower side of the limit wheel 4-5, and then insert it into the bottom plate 5-2 and Between the pressure plates 5-3, then start the motor 14 and turn the No. 1 hand screw 7 respectively, the motor 14 drives the No. 2 screw 15 to rotate, the No. 2 screw 15 drives the No. 2 internal thread pipe 16 to move down, and the No. 2 internal thread pipe 16 Drive the friction plate 10 to move down until the No. 2 wiping cloth 17 on the lower surface of the friction plate 10 is in contact with the upper surface of the strip, and the No. 5-8 drives the No. 1 screw 5-7 to move down, and the screw drives the pressure plate 5-3 to move down until the No. 1 wiping cloth 5-4 on the upper side touches the upper surface of the strip, and the pickling solution is poured into acid Inside the washing tank 6, the strip is finally wound around the collection roller, and the rotation of the collection roller drives the strip to move. During the movement of the strip, the strip is cleaned by the pickling solution in turn. The impurities reacted on the steel remain on the No. 1 wiper 5-4, the impurities on the lower side of the strip fall onto the filter screen 9 inside the fixing frame 8, and the pickling solution contained in the impurities passes through the filter screen 9, It flows into the pickling tank 6 and is reused.

After adopting the above-mentioned structure, the beneficial effects of this specific embodiment are as follows:

1. After the steel coil is limited by the raw material fixing mechanism 3, it is guided by the guide mechanism 4. During the conveying process, the strip steel on the steel coil passes through the pickling tank 6, and the strip steel is acidified by the pickling solution. Washing, thereby increasing the cleanliness of strip cleaning;

2. After passing through the pickling tank 6, the strip can be cleaned by the cleaning mechanism 5, and the impurities reflected on the surface of the strip are cleaned to reduce the impurities contained in the strip;

3. The strip steel is guided by the guiding mechanism 4 during the conveying process, which can increase the tension of the strip steel during the conveying process and prevent the strip steel from bending;

4. The upper side of the fixed plate 4-1 is suspended with a collision plate 10, and the strip steel can be collided with the No. 2 wiping cloth 17 on the lower surface of the collision plate 10. During the movement of the strip steel, the No. 2 wiping cloth 17. Perform preliminary cleaning on the surface of the strip;

5. Limiting plates 21 are provided on both the front and rear sides of the upper side of the base 3-1, and the limiting plates 21 can limit the position of the steel coil, and thus are suitable for steel coils of different sizes.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (7)

1. A material conveying mechanism for pickling the surface of strip steel comprises a workbench (1) and supporting legs (2), wherein the supporting legs (2) are fixed at four corners of the lower surface of the workbench (1); the method is characterized in that: the cleaning device is characterized by further comprising a raw material fixing mechanism (3), a guide mechanism (4) and a cleaning mechanism (5), wherein the raw material fixing mechanism (3) is arranged on the left side of the workbench (1), the guide mechanism (4) is arranged on the upper side of the workbench (1), a fixing plate (4-1) in the guide mechanism (4) is fixed on the upper surface of the workbench (1), the cleaning mechanism (5) is arranged on the right side of the workbench (1), a fixing frame (5-1) in the cleaning mechanism (5) is fixed on the upper side wall of one side of a pickling tank (6), and the pickling tank (6) is arranged on one side of the supporting legs (2);

the raw material fixing mechanism (3) is composed of a base (3-1), a supporting plate (3-2) and rollers (3-3), the base (3-1) is arranged on one side of the supporting leg (2), the rollers (3-3) are arranged on the left side and the right side of the upper side of the base (3-1), the front end and the rear end of each roller (3-3) are respectively connected with the supporting plate (3-2) in a screwing mode through a bearing, and the lower side of the supporting plate (3-2) is fixedly connected with the upper surface of the base (3-1);

the guide mechanism (4) further comprises a guide wheel (4-2), pulleys (4-3), a support rod (4-4), a limiting wheel (4-5) and a connecting plate (4-6), the guide wheel (4-2) is arranged on each of the left side and the right side of the workbench (1), the connecting plates (4-6) are rotatably connected to the front side and the rear side of the guide wheel (4-2) through bearings, one side of each connecting plate (4-6) is inserted into the front side wall and the rear side wall of the workbench (1) and fixed through bolts, a plurality of support columns (4-7) are fixed to the center of the upper surface of the workbench (1), the upper ends of the support columns (4-7) are fixedly connected with the lower surface of the fixing plate (4-1), the pulleys (4-3) are arranged on each of the left side and the right side of the fixing plate (4-1), and the front ends and the rear ends of the pulleys (4-3) are The supporting rods (4-4) at two sides are respectively fixed on the left side wall and the right side wall of the fixing plate (4-1), the pulleys (4-3) are suspended at the upper side of the workbench (1), the support frame (4-8) is arranged at the right lower side of the workbench (1), the support frame (4-8) is arranged in a U shape, the support frame (4-8) is arranged in the pickling tank (6), the upper sides of the front side and the rear side of the support frame (4-8) are arranged with the front side wall and the rear side wall of the pickling tank (6), the inside of the support frame (4-8) is provided with a limiting wheel (4-5), and the front end and the rear end of the limiting wheel (4-5) are respectively connected with the front side wall and the rear side wall of;

the cleaning mechanism (5) further comprises a bottom plate (5-2), a pressing plate (5-3), a wiping cloth (5-4), an inserting rod (5-5), a sleeve (5-6), a screw rod (5-7) and an internal threaded pipe (5-8), the bottom plate (5-2) is arranged on the lower side inside the fixing frame (5-1), the front side and the rear side of the bottom plate (5-2) are respectively and fixedly connected with the inner side walls of the front side and the rear side of the fixing frame (5-1), the pressing plate (5-3) is arranged on the upper side of the bottom plate (5-2) in a hanging mode, the wiping cloth (5-4) is fixed on the lower side wall of the pressing plate (5-3) and the upper surface of the bottom plate (5-2), the screw rod (5-7) is fixed on one side of the upper surface of the pressing plate (5-3), the upper end of the first screw rod (5-7) is inserted into the first internal threaded pipe (5-8) and is screwed through threads, the upper end of the first internal threaded pipe (5-8) is exposed on the upper side of the fixing frame (5-1) after penetrating through a bearing in the upper side wall of the fixing frame (5-1), one side of the upper side wall of the fixing frame (5-1) is inserted and fixed with a first sleeve (5-6), the lower end of the first sleeve (5-6) penetrates through the upper side wall of the fixing frame (5-1) and then is sleeved on the first insertion rod (5-5), and the lower end of the first insertion rod (5-5) penetrates through the lower end of the first sleeve (5-6) and then is fixed on one side of the upper surface of the pressing plate (5-3).

2. The material conveying mechanism for pickling of the surface of the strip steel as claimed in claim 1, wherein: a first hand screw (7) is fixed at the upper end of the first internal thread pipe (5-8), the first hand screw (7) is exposed at the upper side of the fixing frame (5-1), and the first internal thread pipe (5-8) is driven to rotate through the first hand screw (7).

3. The material conveying mechanism for pickling of the surface of the strip steel as claimed in claim 1, wherein: the left lower side of bottom plate (5-2) be equipped with fixed frame (8), both sides around this fixed frame (8) respectively with the inside wall fixed connection of descaling bath (6) front and back both sides, the inside downside of fixed frame (8) is equipped with filter screen (9), via the impurity after clearance mechanism (5) clearance, fall to the inside filter screen (9) of fixed frame (8) in, via the pickling liquid drop after filter screen (9) filtration to descaling bath (6) in, reuse.

4. The material conveying mechanism for pickling of the surface of the strip steel as claimed in claim 1, wherein: the upper side of the fixed plate (4-1) is provided with a touch plate (10) in a hanging manner, one side of the upper surface of the touch plate (10) is fixed with a second sleeve (11), a second inserted rod (12) is inserted in the second sleeve (11), the upper end of the second inserted rod (12) passes through the upper end of the second sleeve (11) and then is fixed on the inner side wall of the upper side of a limiting frame (13), the limiting frame (13) is fixed on the upper surface of the workbench (1), the outer side wall of the upper side of the limiting frame (13) is fixed with a motor (14), the motor (14) is connected with an external power supply, an output shaft of the motor (14) passes through the limiting frame (13) and then is fixedly connected with the upper end of a second screw rod (15), the lower end of the second screw rod (15) is inserted in a second internal threaded pipe (16) and is screwed through threads, and the lower end of the second internal threaded pipe (16) is fixed on the upper surface of the touch plate (10), no. two wiping cloths (17) are fixed on the lower surface of the abutting plate (10) and the upper surface of the fixing plate (4-1), the band steel is limited through the abutting plate (10), and then the band steel is preliminarily cleaned through the No. two wiping cloths (17).

5. The material conveying mechanism for pickling of the surface of the strip steel as claimed in claim 1, wherein: the upper sides of the front side and the rear side of the support frame (4-8) are inserted with hanging plates (18), the hanging plates (18) are arranged in an inverted L shape, vertical plates of the hanging plates (18) are inserted into the support frame (4-8) and fixed through bolts, transverse plates of the hanging plates (18) on the front side and the rear side are respectively hung on the upper side walls of the front side and the rear side of the pickling tank (6), the length of the insertion of the hanging plates (18) into the support frame (4-8) is adjusted according to the height of the pickling tank (6), and then the hanging plates are fixed through bolts.

6. The material conveying mechanism for pickling of the surface of the strip steel as claimed in claim 1, wherein: the center of the upper side of the base (3-1) is provided with a screw rod (19), the rear end of the screw rod (19) is screwed with the supporting plate (3-2) at the rear side through a bearing, the screw rod (19) is arranged oppositely to the threads at two sides by taking the middle end as the center, the front end of the screw rod (19) passes through the supporting plate (3-2) at the front side, is fixedly connected with a second hand screw (20), the nuts at the two ends of the screw rod (19) are respectively fixed with a limit plate (21), the limiting plate (21) is suspended at the upper side of the supporting plate (3-2), the two ends of the lower side wall of the limiting plate (21) are both fixed with limiting blocks (22), the lower side of the limiting block (22) is contacted with the supporting plate (3-2), when the steel coil is small, the limiting plates (21) on the front side and the rear side are driven to move by rotating the screw rod (19), and the steel coil is limited by the limiting plates (21).

7. The material conveying mechanism for pickling of the surface of the strip steel as claimed in claim 1, wherein: the working principle is as follows: when the steel strip pickling device is used, a steel coil is placed on two rollers (3-3) on a base (3-1), then the head end of the steel coil is pulled out, penetrates through a left guide wheel (4-2), a pulley (4-3) and a right guide wheel (4-2) in sequence, is inserted to the lower side of a limiting wheel (4-5), is inserted between a bottom plate (5-2) and a pressing plate (5-3), a first internal thread pipe (5-8) is rotated, the first internal thread pipe (5-8) drives a first screw rod (5-7) to move downwards, the screw rod drives the pressing plate (5-3) to move downwards until a first wiping cloth (5-4) on the upper side is abutted against the upper surface of the steel strip, pickling solution is poured into a pickling tank (6), the steel strip is wound on a collecting roller, and is driven to move by the rotation of the collecting roller, the strip steel is washed by the pickling solution in turn in the moving process.

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