Material rack for pickling steel plate

Abstract

The invention relates to the technical field of steel plate pickling processing, in particular to a material rack for pickling steel plates, which comprises a support table, two groups of mounting racks and a controller, the top end of the support table is provided with the two groups of mounting racks, the controller is mounted on one group of mounting racks, the material rack further comprises a moving assembly, a lifting assembly, a hoisting assembly and a limiting assembly, the moving assembly is arranged on the mounting racks, and the lifting assembly is arranged on the limiting assembly. The lifting assembly is arranged on the moving assembly, the multiple sets of hoisting assemblies are arranged on the lifting assembly, and the limiting assemblies are arranged between every two adjacent sets of hoisting assemblies; when the hoisting device is used, the moving assembly is operated to move leftwards on the two mounting frames, then the lifting assembly is operated to drive the multiple hoisting assemblies to descend, then the second right hoisting assembly is operated to hoist a steel plate, and meanwhile the second right hoisting assembly and the third right hoisting assembly relieve limitation of the limiting assembly; and meanwhile, the second left hoisting assembly limits the first left hoisting assembly through the limiting assembly, and the pickling efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel plate pickling processing, in particular to a material rack for pickling steel plates. Background Art

[0002] Steel plates are widely used in various fields. In order to further improve their corrosion resistance and rust resistance, stainless steel is often required to be further pickled and passivated during production to improve the corrosion resistance of steel.

[0003] In the prior art, a patent document with announcement number CN209113995U discloses a pickling tank for rust removal of color steel plates that is convenient for feeding, including a base and a tank body, first brackets are fixed to both sides of one end of the top outer wall of the base by screws, and a support plate is fixed to one side outer wall of the first bracket by screws, a driving motor is fixed to the top outer walls of the two support plates by screws, a second bracket is fixed to both sides of the other end of the top outer wall of the base by screws, and a first groove is formed on the outer walls of one side of the two second brackets close to the first bracket, the inner walls of the two first grooves are rotatably connected to screws through bearings, and the other sides of the two screws are connected to the output shaft of the driving motor through a coupling, and the outer walls of one side of the two screws are threadedly connected to the same mounting plate.

[0004] During use, it was found that when the above-mentioned device was pickling the steel plates, the loading order of the steel plates was rather random, and the loading between the two groups of steel plates caused interference, resulting in low pickling efficiency. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a material rack for pickling steel plates which improves the pickling efficiency.

[0006] The material rack for pickled steel plates of the present invention comprises a support platform, a mounting frame and a controller, wherein two groups of mounting frames are arranged on the top of the support platform, a controller is installed on one group of mounting frames, and the material rack further comprises a moving component, a lifting component, a hoisting component and a limiting component, wherein the moving component is arranged on the mounting frame 102, the lifting component is arranged on the moving component, a plurality of hoisting components are arranged on the lifting component, and the limiting components are respectively arranged between two adjacent groups of hoisting components; when in use, the moving component is operated to move to the left on the two groups of mounting frames, and then the lifting component is operated to drive the plurality of hoisting components to descend, and then the first group of hoisting components on the right side are operated to hoist the steel plate, and at the same time, the first group of hoisting components on the right side and the second group of hoisting components on the right side release the restriction of the limiting component, and then the second group of hoisting components on the right side are operated to hoist the steel plate, and at the same time The second group of lifting components on the right and the third group of lifting components on the right release the restrictions of the limit components, and so on, thereby realizing the loading of steel plates from right to left in sequence while avoiding mutual interference between multiple groups of lifting components during the lifting and loading of steel. At the same time, multiple groups of lifting components lift the steel plates individually, operate the lifting component to rise, so as to raise the steel plates, and then the lifting component moves above the pickling tank with the cooperation of the moving component, and then the lifting component is operated to descend, so that multiple groups of steel plates enter the pickling tank for pickling, so as to achieve sufficient pickling of the steel plates. When unloading the steel plates, the steel plates on the first group of lifting components on the left are lifted first, and then the second group of lifting components on the left are unloaded. At the same time, the second group of lifting components on the left limit the first group of lifting components on the left through the limit components, so as to improve convenience.

[0007] Preferably, the moving assembly includes a vertical plate, a No. 1 lead screw, a motor seat, a sprocket, a chain, a moving seat, a moving plate, a No. 1 motor and a roller. Two sets of vertical plates are respectively arranged at the top of each set of mounting frames, a set of No. 1 lead screw is rotatably arranged between the two sets of vertical plates, the No. 1 motor is installed at the top of a set of mounting frames through the motor seat, the output end of the No. 1 motor is connected to one end of a set of No. 1 lead screws, a set of sprockets are respectively arranged on each set of No. 1 lead screws, the two sets of sprockets are driven by a chain, a set of moving seats are respectively screwed on each set of No. 1 lead screws, a moving plate is arranged between the two sets of moving seats, and a plurality of rollers are respectively arranged at the bottom end of each set of moving seats. Multiple groups of rollers are in rolling contact with the top of the mounting frame, and a lifting assembly is arranged on the movable plate; when the lifting assembly needs to be moved left and right, the staff starts the No. 1 motor, so that the two groups of sprockets are transmitted through the chain, thereby realizing the synchronous rotation of the two groups of No. 1 lead screws in the same direction. Since the two groups of movable seats are respectively threadedly connected to the two groups of No. 1 lead screws, the two groups of movable seats drive the movable plate to move left and right with the cooperation of the rollers, and further the movable plate drives the lifting assembly to move left and right, and further the lifting assembly drives multiple groups of lifting assemblies to move left and right, thereby improving flexibility.

[0008] Preferably, the lifting assembly includes an electric hydraulic cylinder, a bracket and a material rack frame, an electric hydraulic cylinder is arranged on the top of the movable plate, the bottom movable end of the electric hydraulic cylinder extends to the bottom of the movable plate and is respectively connected to the top of a group of brackets, the bottom ends of the two groups of brackets are connected to the top of the material rack frame, a plurality of lifting assemblies are arranged inside the sprocket, and a group of limiting assemblies is arranged between the two adjacent groups of lifting assemblies; when in use, the electric hydraulic cylinder is operated to extend, so that the two groups of brackets cooperate with each other to drive the material rack frame to descend, and then the plurality of lifting assemblies are operated to lift the steel plates from right to left in sequence, thereby improving convenience.

[0009] Preferably, the lifting assembly includes a No. 2 motor, a hook suspension rod, a winding drum, a rope, a hook and a mounting plate, the No. 2 motor is installed on the material rack frame, the hook suspension rod is rotatably installed on the inner side of the material rack frame, a plurality of groups of winding drums are arranged on the hook suspension rod, a group of ropes are respectively wound around each group of winding drums, the starting ends of the plurality of groups of ropes are connected to the top end of the mounting plate, and a plurality of groups of hooks are arranged at the bottom end of the mounting plate; when in use, the No. 2 motor is started, so that the hook suspension rod drives the plurality of winding drums to rotate synchronously in the same direction, so that the winding drums unwind the ropes synchronously, and further the mounting plate drives the plurality of hooks to descend, and then a group of steel plates are placed on the plurality of hooks in the first row on the right side, the limit assembly between the first group of hook suspension rods on the right side and the second group of hook suspension rods on the right side contacts the limit, and the staff starts the No. 2 motor of the second group on the right side, so that the plurality of hooks in the second row on the right side hoist the steel plates.

[0010] Preferably, the limit assembly includes a fixed block, a slot, a fixed seat, a first gear, a second lead screw, a second gear, a fixed rod, a moving block and a block. A group of No. 1 gear is arranged on the hook suspension rod, a group of fixed seats is arranged on the inner wall of the material rack frame, the fixed seat is between two adjacent groups of hook suspension rods, a group of fixed blocks is fixedly arranged on each group of hook suspension rods, a group of slots is respectively arranged on each group of fixed blocks, a group of fixed rods is rotatably arranged on the fixed seat, a group of No. 2 lead screws is respectively arranged on each group of No. 2 lead screws, a group of No. 2 gears is respectively arranged on the fixed seat, a group of fixed rods is fixedly installed on the fixed seat, the moving block is threadedly connected with the No. 2 lead screw and is slidably connected with the fixed rod, a block is installed on the moving block, the block is adapted to the slot, and the No. 1 gear is meshed with the No. 2 gear; under normal conditions, the block is inside the slot, and when it is necessary to pass the hook When lifting the steel plates in sequence, operate the No. 2 motor of the first group on the right side, so that the first group of hook suspension rods on the right side unwind multiple groups of ropes, thereby lowering the height of multiple groups of hooks, and then place the steel plates on the first row of hooks on the right side. When the first group of hook suspension rods on the right side rotates, it drives the No. 1 gear to rotate, and the No. 1 gear drives the No. 2 gear to rotate, and the No. 2 gear drives the No. 2 lead screw to rotate. The No. 2 lead screw drives the moving block to move with the cooperation of the fixed rod, so that the first group of card blocks on the right side are separated from the card slots on the second group of fixed blocks on the right side, thereby releasing the restriction of the second group of hook suspension rods on the right side, and then start the No. 2 motor of the second group on the right side, so that the second group of card blocks on the right side are separated from the card slots on the third group of fixed blocks on the right side, thereby releasing the restriction of the third group of hook suspension rods on the right side, and so on, to achieve orderly steel plate feeding from right to left.

[0011] Preferably, it also includes a guide assembly, and a plurality of guide assemblies are arranged at the bottom end of the rack frame, and the guide assemblies are used to guide the rope; The guide assembly comprises a U-shaped frame, a strip opening, a rotating shaft, a guide roller, a concave groove, a spring, a telescopic rod, a buffer plate and a buffer pad. The U-shaped frame is installed at the bottom end of the material rack frame, and a strip opening is arranged on the U-shaped frame. Two groups of rotating shafts are rotatably arranged in the strip opening, and a group of guide rollers are respectively installed on each group of rotating shafts. Two groups of concave grooves are respectively arranged at the bottom end of each group of U-shaped frames, a group of telescopic rods are respectively arranged inside each group of concave grooves, a group of buffer plates are respectively arranged at the bottom end of each group of telescopic rods, a group of buffer pads are respectively arranged at the bottom end of each group of buffer plates, and a group of springs are respectively mounted on the outside of each group of telescopic rods, and the ropes pass between the two groups of guide rollers; when multiple groups of ropes are unwound, the two groups of guide rollers rotate adaptively, so that when multiple groups of ropes are guided and reeled, the top end of the mounting plate contacts the bottom ends of the two groups of buffer pads, thereby shortening the two groups of springs and the two groups of telescopic rods, so as to achieve slow contact between the top end of the mounting plate and the bottom end of the U-shaped frame, reduce hard collisions, and improve service life.

[0012] Preferably, the hook is made of a solid steel bar, and the outside of the hook is sheathed with a polyfluoro rubber sleeve.

[0013] Preferably, a reinforcing plate is further included, and a reinforcing plate is arranged between the support platform and the mounting frame; the reinforcing plate strengthens the connection between the support platform and the mounting frame to improve the firmness of the connection.

[0014] Preferably, it also includes a polished rod, which is arranged on the top of the rack frame and is slidably connected to the movable plate; the electric hydraulic cylinder drives the rack frame to rise and fall stably under the guidance of the polished rod, thereby improving the lifting stability.

[0015] Preferably, it also includes a limit block, and each group of top ends of the polished rods is respectively provided with a group of limit blocks; the limit blocks limit the descending height of the polished rods to improve safety.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: when in use, the moving assembly is operated to move to the left on the two sets of mounting frames, and then the lifting assembly is operated to drive the multiple sets of lifting assemblies to descend, and then the first set of lifting assemblies on the right side are operated to lift the steel plate, and at the same time, the first set of lifting assemblies on the right side and the second set of lifting assemblies on the right side release the restriction of the limit assembly, and then the second set of lifting assemblies on the right side are operated to lift the steel plate, and at the same time, the second set of lifting assemblies on the right side and the third set of lifting assemblies on the right side release the restriction of the limit assembly, and so on, thereby realizing the sequential loading of steel plates from right to left while avoiding the collision between multiple sets of lifting assemblies. To avoid mutual interference during steel hoisting and loading, multiple groups of hoisting components are used to hoist the steel plates separately at the same time. The lifting components are operated to rise, thereby raising the steel plates. Then, the lifting components are moved above the pickling tank with the cooperation of the moving components. Then, the lifting components are operated to descend, thereby allowing multiple groups of steel plates to enter the pickling tank for pickling, thereby achieving sufficient pickling of the steel plates. When unloading the steel plates, the steel plates on the first group of hoisting components on the left are hoisted first, and then the second group of hoisting components on the left are unloaded. At the same time, the second group of hoisting components on the left are limited by the limiting components to the first group of hoisting components on the left, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the axonometric structure of the present invention; Figure 2 It is a schematic diagram of the explosion structure of the present invention; Figure 3 It is an enlarged structural schematic diagram of structures such as a vertical plate and a supporting platform; Figure 4 yes Figure 3 A partial enlarged structural diagram of the middle part; Figure 5 It is an enlarged structural diagram of structures such as a moving plate and a roller; Figure 6 It is a first enlarged structural diagram of the material rack frame and the No. 2 motor and other structures; Figure 7It is a second enlarged structural schematic diagram of the material rack frame and the second motor and other structures; Figure 8 It is a top view structural diagram of the material rack frame and the No. 2 motor and other structures; Fig. 9 It is an enlarged structural diagram of the winding drum, hook and other structures; Fig.10 yes Fig. 9 A schematic diagram of the partially enlarged structure of the middle B part; Fig.11 It is an enlarged structural diagram of the U-shaped frame and guide rollers; Fig.12 yes Fig.11 A schematic diagram of the partially enlarged structure of the middle C part; Fig.13 It is an enlarged structural diagram of the hook suspension rod and the mounting plate; Fig.14 yes Fig.13 Schematic diagram of the partial enlarged structure of part D in the middle.

[0018] Markings in the attached drawings: 101, support table; 102, mounting frame; 103, controller; 201, vertical plate; 202, lead screw No. 1; 203, motor seat; 204, sprocket; 205, chain; 206, moving seat; 207, moving plate; 208, motor No. 1; 209, roller; 301, electric hydraulic cylinder; 303, bracket; 304, rack frame; 305, bare rod; 306, limit block; 401, motor No. 2; 404, hook suspension rod; 405, winding drum; 406, rope; 407, hook; 408, mounting plate; 501, fixing block; 502, slot; 503, fixing seat; 504, gear No. 1; 505, lead screw No. 2; 506, gear No. 2; 507, fixing rod; 508, moving block; 509, block; 601, U-shaped frame; 602, strip opening; 603, rotating shaft; 604, guide roller; 605, concave groove; 606, spring; 607, telescopic rod; 608, buffer plate; 609, buffer pad. DETAILED DESCRIPTION

[0019] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. Embodiment 1

[0020] like Figures 1 to 14As shown, the pickling steel plate material rack of the present invention comprises a support platform 101, a mounting frame 102 and a controller 103, wherein two groups of mounting frames 102 are arranged on the top of the support platform 101, and a controller 103 is installed on one group of mounting frames 102, and further comprises a moving component, a lifting component, a hanging component and a limiting component, wherein the moving component is arranged on the mounting frame 102, the lifting component is arranged on the moving component, a plurality of hanging components are arranged on the lifting component, and the limiting components are respectively arranged between two adjacent groups of hanging components; The moving assembly includes a vertical plate 201, a first lead screw 202, a motor seat 203, a sprocket 204, a chain 205, a moving seat 206, a moving plate 207, a first motor 208 and a roller 209. Two sets of vertical plates 201 are respectively arranged at the top of each set of mounting frames 102. A set of first lead screws 202 are rotatably arranged between the two sets of vertical plates 201. The first motor 208 is installed at the top of a set of mounting frames 102 through the motor seat 203. The output end of the first motor 208 is connected to a set of first One end of the first lead screw 202 is connected, each group of the first lead screw 202 is respectively provided with a group of sprockets 204, the two groups of sprockets 204 are driven by a chain 205, each group of the first lead screw 202 is respectively screwed with a group of moving seats 206, a moving plate 207 is provided between the two groups of moving seats 206, and the bottom end of each group of moving seats 206 is respectively provided with multiple groups of rollers 209, and the multiple groups of rollers 209 are in rolling contact with the top end of the mounting frame 102, and a lifting component is provided on the moving plate 207; The lifting assembly includes an electric hydraulic cylinder 301, a bracket 303 and a rack frame 304. The electric hydraulic cylinder 301 is arranged at the top of the movable plate 207. The bottom movable end of the electric hydraulic cylinder 301 extends below the movable plate 207 and is respectively connected to the top of a group of brackets 303. The bottom ends of the two groups of brackets 303 are connected to the top of the rack frame 304. Multiple groups of lifting assemblies are arranged inside the sprocket 204, and a group of limit assemblies is arranged between two adjacent groups of lifting assemblies. The hoisting assembly includes a No. 2 motor 401, a hook suspension rod 404, a winding drum 405, a rope 406, a hook 407 and a mounting plate 408. The No. 2 motor 401 is mounted on the material rack frame 304. The hook suspension rod 404 is rotatably mounted on the inner side of the material rack frame 304. A plurality of groups of winding drums 405 are arranged on the hook suspension rod 404. A group of ropes 406 are respectively wound around each group of winding drums 405. The starting ends of the plurality of groups of ropes 406 are connected to the top of the mounting plate 408. A plurality of groups of hooks 407 are arranged at the bottom end of the mounting plate 408. The limiting assembly includes a fixed block 501, a slot 502, a fixed seat 503, a first gear 504, a second lead screw 505, a second gear 506, a fixed rod 507, a moving block 508 and a clamping block 509. A group of first gears 504 are arranged on the hook suspension rod 404. A group of fixed seats 503 are arranged on the inner wall of the material rack frame 304. The fixed seats 503 are between two groups of adjacent hook suspension rods 404. A group of fixed blocks 501 are fixedly arranged on each group of hook suspension rods 404. Each group of fixed blocks 501 is respectively arranged on the first gear 504 and the second gear 504 is arranged on the second lead screw 505. A group of card slots 502 are provided, and a group of No. 2 lead screws 505 are rotatably provided on the fixed seat 503, and a group of No. 2 gears 506 are respectively provided on each group of No. 2 lead screws 505. A group of fixed rods 507 are fixedly installed on the fixed seat 503, and a moving block 508 is threadedly connected with the No. 2 lead screws 505 and slidingly connected with the fixed rods 507. A card block 509 is installed on the moving block 508, and the card block 509 is adapted to the card slot 502, and the No. 1 gear 504 is meshed with the No. 2 gear 506.

[0021] In this embodiment, when it is necessary to move the lifting assembly to the left and right positions, the staff starts the No. 1 motor 208, so that the two sets of sprocket wheels 204 are transmitted through the chain 205, so as to realize the synchronous and same-direction rotation of the two sets of No. 1 lead screws 202. Since the two sets of moving seats 206 are respectively threadedly connected to the two sets of No. 1 lead screws 202, the two sets of moving seats 206 drive the moving plate 207 to move to the left and right positions with the cooperation of the roller 209, and further the moving plate 207 drives the lifting assembly to move to the left and right positions, and further the lifting assembly drives multiple sets of lifting assemblies to move to the left and right positions, and the electric hydraulic cylinder 301 is operated to extend, so that the two sets of brackets 303 cooperate with each other to drive the material rack frame 304 to descend, and the No. 2 motor 401 is started, so that the hook suspension rod 404 drives the multiple sets of winding drums 405 to rotate synchronously in the same direction, so that the winding drums 405 can rotate the ropes 406 The synchronous unwinding further causes the mounting plate 408 to drive the multiple groups of hooks 407 to descend, and then a group of steel plates are placed on the multiple groups of hooks 407 in the first row on the right side. When the first group of hook suspension rods 404 on the right side rotate, it drives the No. 1 gear 504 to rotate, and the No. 1 gear 504 drives the No. 2 gear 506 to rotate, and the No. 2 gear 506 further drives the No. 2 lead screw 505 to rotate, and the No. 2 lead screw 505 drives the moving block 508 to move with the cooperation of the fixed rod 507, so that the first group of card blocks 509 on the right side are separated from the card slots 502 on the second group of fixed blocks 501 on the right side, thereby releasing the restriction of the second group of hook suspension rods 404 on the right side, and then the second group of No. 2 motors 401 on the right side are started, so that the second group of card blocks 509 on the right side are separated from the card slots 502 on the third group of fixed blocks 501 on the right side, thereby releasing the restriction of the third group of hook suspension rods 404 on the right side, and so on, to achieve orderly steel plate feeding from right to left. Embodiment 2

[0022] like Figures 1 to 14 As shown, on the basis of Example 1, the guide assembly includes a U-shaped frame 601, a strip opening 602, a rotating shaft 603, a guide roller 604, a concave groove 605, a spring 606, a telescopic rod 607, a buffer plate 608 and a buffer pad 609, the U-shaped frame 601 is installed at the bottom end of the rack frame 304, and a strip opening 602 is provided on the U-shaped frame 601, and two groups of rotating shafts 603 are rotatably provided in the strip opening 602, and each group of rotating shafts 60 3, a group of guide rollers 604 are respectively installed on each group of U-shaped frames 601, two groups of concave grooves 605 are respectively arranged at the bottom end of each group of U-shaped frames 601, a group of telescopic rods 607 are respectively arranged inside each group of concave grooves 605, a group of buffer plates 608 are respectively arranged at the bottom end of each group of telescopic rods 607, a group of buffer pads 609 are respectively arranged at the bottom end of each group of buffer plates 608, a group of springs 606 are respectively installed on the outside of each group of telescopic rods 607, and the rope 406 passes between the two groups of guide rollers 604; It also includes a polished rod 305, a polished rod 305 is disposed on the top of the rack frame 304, and the polished rod 305 is slidably connected to the movable plate 207; It also includes a limit block 306 , and each group of polished rods 305 is respectively provided with a group of limit blocks 306 at the top end.

[0023] In this embodiment, when in use, the second motor 401 is started, so that the hook suspension rod 404 drives the multiple groups of winding drums 405 to rotate synchronously in the same direction, so that the winding drums 405 synchronously unwind the ropes 406, and further the mounting plate 408 drives the multiple groups of hooks 407 to descend, and then a group of steel plates are placed on the multiple groups of hooks 407 in the first row on the right side, and the limit assembly between the first group of hook suspension rods 404 on the right side and the second group of hook suspension rods 404 on the right side contacts the limit, and the staff starts the second group of hook suspension rods on the right side. The second motor 401 is used to enable the multiple hooks 407 in the second row on the right to lift the steel plate. When the multiple ropes 406 are unwound, the two guide rollers 604 rotate adaptively to guide the reeling of the multiple ropes 406. The top of the mounting plate 408 contacts the bottom of the two buffer pads 609, thereby shortening the two springs 606 and the two telescopic rods 607, and achieving slow contact between the top of the mounting plate 408 and the bottom of the U-shaped frame 601, thereby reducing hard collisions and increasing service life.

[0024] The controller 103, the second motor 401 and the electric hydraulic cylinder 301 of the pickling steel plate material rack of the present invention are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual without the need for the technicians in this field to make creative efforts.

[0025] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A material rack for pickling steel plates, comprising a support platform (101), a mounting frame (102) and a controller (103), wherein two groups of mounting frames (102) are arranged on the top of the support platform (101), and a controller (103) is installed on one group of mounting frames (102), characterized in that: It also includes a moving component, a lifting component, a hoisting component and a limiting component. The moving component is arranged on the mounting frame (102), the lifting component is arranged on the moving component, multiple groups of hoisting components are arranged on the lifting component, and the limiting components are respectively arranged between two adjacent groups of hoisting components.

2. The pickling steel plate rack according to claim 1, characterized in that: The moving assembly comprises a vertical plate (201), a first lead screw (202), a motor seat (203), a sprocket (204), a chain (205), a moving seat (206), a moving plate (207), a first motor (208) and a roller (209), two groups of vertical plates (201) are respectively arranged at the top of each group of mounting frames (102), a group of first lead screws (202) is rotatably arranged between the two groups of vertical plates (201), the first motor (208) is installed at the top of a group of mounting frames (102) through the motor seat (203), and the output end of the first motor (208) is connected to the roller (209). One end of a group of No. 1 lead screws (202) is connected, each group of No. 1 lead screws (202) is respectively provided with a group of sprocket wheels (204), the two groups of sprocket wheels (204) are driven by a chain (205), each group of No. 1 lead screws (202) is respectively provided with a group of moving seats (206) screwed, a moving plate (207) is provided between the two groups of moving seats (206), a plurality of groups of rollers (209) are respectively provided at the bottom end of each group of moving seats (206), the plurality of groups of rollers (209) are in rolling contact with the top end of the mounting frame (102), and a lifting assembly is provided on the moving plate (207).

3. The pickling steel plate rack according to claim 2, characterized in that: The lifting assembly comprises an electric hydraulic cylinder (301), a bracket (303) and a rack frame (304); the electric hydraulic cylinder (301) is arranged at the top of the movable plate (207); the bottom movable end of the electric hydraulic cylinder (301) extends below the movable plate (207) and is respectively connected to the top of a group of brackets (303); the bottom ends of the two groups of brackets (303) are connected to the top of the rack frame (304); a plurality of lifting assemblies are arranged inside the sprocket (204); and a limit assembly is arranged between two adjacent groups of lifting assemblies.

4. The pickling steel plate rack according to claim 3, characterized in that: The hoisting assembly comprises a No. 2 motor (401), a hook suspension rod (404), a winding drum (405), a rope (406), a hook (407) and a mounting plate (408), wherein the No. 2 motor (401) is mounted on a material rack frame (304), the hook suspension rod (404) is rotatably mounted on the inner side of the material rack frame (304), a plurality of groups of winding drums (405) are arranged on the hook suspension rod (404), a group of ropes (406) are respectively wound around each group of winding drums (405), the starting ends of the plurality of groups of ropes (406) are connected to the top end of the mounting plate (408), and a plurality of groups of hooks (407) are arranged at the bottom end of the mounting plate (408).

5. The pickling steel plate rack according to claim 4, characterized in that: The limiting assembly comprises a fixed block (501), a slot (502), a fixed seat (503), a first gear (504), a second lead screw (505), a second gear (506), a fixed rod (507), a moving block (508) and a clamping block (509); a group of first gears (504) are arranged on the hook suspension rod (404); a group of fixed seats (503) are arranged on the inner side wall of the material rack frame (304); the fixed seats (503) are between two adjacent groups of hook suspension rods (404); a group of fixed blocks (501) are fixedly arranged on each group of hook suspension rods (404); and each group of fixed blocks (501) has a plurality of fixed blocks (501) on each group of hook suspension rods (404). A group of card slots (502) are respectively provided, a group of No. 2 lead screws (505) are rotatably provided on the fixed seat (503), and a group of No. 2 gears (506) are respectively provided on each group of No. 2 lead screws (505), a group of fixed rods (507) are fixedly installed on the fixed seat (503), a moving block (508) is threadedly connected to the No. 2 lead screws (505) and is slidably connected to the fixed rods (507), a card block (509) is installed on the moving block (508), the card block (509) is adapted to the card slot (502), and the No. 1 gear (504) is meshed with the No. 2 gear (506).

6. The pickling steel plate rack according to claim 4, characterized in that: It also includes a guide assembly, wherein a plurality of guide assemblies are arranged at the bottom end of the rack frame (304), and the guide assemblies are used to guide the rope (406); The guide assembly comprises a U-shaped frame (601), a strip-shaped opening (602), a rotating shaft (603), a guide roller (604), a concave groove (605), a spring (606), a telescopic rod (607), a buffer plate (608) and a buffer pad (609). The U-shaped frame (601) is installed at the bottom end of the rack frame (304). The U-shaped frame (601) is provided with a strip-shaped opening (602). Two groups of rotating shafts (603) are rotatably provided in the strip-shaped opening (602). Each group of rotating shafts (603) has a plurality of rotating shafts (603). A group of guide rollers (604) are installed separately, two groups of concave grooves (605) are respectively arranged at the bottom of each group of U-shaped frames (601), a group of telescopic rods (607) are respectively arranged inside each group of concave grooves (605), a group of buffer plates (608) are respectively arranged at the bottom of each group of telescopic rods (607), a group of buffer pads (609) are respectively arranged at the bottom of each group of buffer plates (608), a group of springs (606) are respectively sleeved on the outside of each group of telescopic rods (607), and the rope (406) passes between the two groups of guide rollers (604).

7. The pickling steel plate rack according to claim 4, characterized in that: The hook (407) is made of a solid steel bar, and a polytetrafluoroethylene rubber sleeve is sleeved on the outside of the hook (407).

8. The pickling steel plate rack according to claim 1, characterized in that: It also comprises a reinforcing plate, and the reinforcing plate is arranged between the supporting platform (101) and the mounting frame (102).

9. The pickling steel plate rack according to claim 3, characterized in that: It also comprises a polished rod (305), the top of the rack frame (304) being provided with the polished rod (305), the polished rod (305) being slidably connected to the movable plate (207).

10. The pickling steel plate rack according to claim 9, characterized in that: It also includes a limit block (306), and each group of light rods (305) is respectively provided with a group of limit blocks (306) at the top end.

Images