Stacker and method thereof for three-dimensional warehouse in stainless steel production

Abstract

The present invention relates to the technical field of stackers, and specifically, to a stacker and a method for a three-dimensional warehouse used in stainless steel production. It includes a traction frame and a moving platform. A rack is provided at the bottom of the moving platform, and symmetric motors are provided on the side wall of the moving platform. A gear body is provided at the end of the motor, and the gear body is meshed and arranged at the bottom of the rack. When the gear body rotates, it drives the rack to move horizontally. A loading platform is provided above the moving platform, and a rotating assembly is provided between the moving platform and the loading platform. In the present invention, by placing the material between the clamping plates, the clamping plates are driven by the extrusion of the material to slide the sliding columns on the inner wall of the cylinder, causing the first elastic member to deform and exert a reaction force on the clamping plates to clamp and fix the material. Since the first elastic member has a buffering effect, the clamping plates can be adaptively clamped according to the material size, improving the clamping efficiency. Moreover, during the clamping process, the clamping force of the clamping plates is small and will not cause deformation due to the extrusion of the material, thereby protecting the material and reducing material loss.

Description

Technical Field

[0001] The present invention relates to the technical field of stackers, and specifically, to a stacker and a method for a three-dimensional warehouse used in stainless steel production. Background Technique

[0002] In the production of stainless steel, in order to facilitate the storage of a large number of produced stainless steel products, a three-dimensional warehouse is mostly used for storage after the stainless steel products are produced. In the production of stainless steel, stainless steel columns are one of the products with relatively large production volume. Since the stainless steel columns are cylindrical as a whole and are placed horizontally in the three-dimensional warehouse during storage, a stacker is usually used for placement during the placement process in the three-dimensional warehouse.

[0003] Regarding the stacker device, there are many existing technologies, for example:

[0004] Chinese Patent Publication No. CN213638450U discloses a stacker. The stacker includes a stacker frame, a material blocking mechanism, and a lifting mechanism. The material blocking mechanism includes a fixed seat, a blocking block, fastening bolts, and a cushion block. The fixed seat is arranged on the stacker frame. A second material guiding slope is arranged on the fixed seat. A groove is arranged between the fixed seat and the round tube frame. The cushion block is arranged in the groove. A third material guiding slope is arranged on the cushion block. A waist-shaped hole is arranged on the blocking block. The fastening bolt passes through the waist-shaped hole and is tightly connected to the fixed seat. The blocking block and the cushion block jointly enclose a receiving space, and at least one welded pipe can be received in the receiving space. The lifting mechanism includes a driving member and a lifting block. The driving member is connected to the round tube frame, and the lifting block is connected to the output end of the driving member. The driving member is used to push the welded pipe out of the receiving space so that the welded pipe rolls down from the second material guiding slope. This stacker can be compatible with welded pipes of different diameters, has strong versatility, saves labor costs, and improves the stacking efficiency.

[0005] During the use of the existing stacker, the lifting assembly drives the material to move in the vertical direction. During the process of driving the cylindrical stainless steel products to move, due to the relatively smooth surface of the products, they are prone to sliding and falling during the movement, causing potential safety hazards. Moreover, there are many sizes of stainless steel products. In order to improve the safety of using the stacker, it is necessary to limit the placement of products of different sizes.

[0006] Therefore, a stacker and a method for a three-dimensional warehouse used in stainless steel production are proposed. Summary of the Invention

[0007] The purpose of the present invention is to provide a stacker and a method for a three-dimensional warehouse used in stainless steel production to solve the problems raised in the above background technique.

[0008] To solve the above technical problems, one of the objectives of the present invention is to provide a stacker for a three-dimensional warehouse used in stainless steel production, including a traction frame and a moving platform. A rack is provided at the bottom of the moving platform, and symmetric motors are provided on the side wall of the moving platform. A gear body is provided at the end of the motor, and the gear body is meshed and arranged at the bottom of the rack. When the gear body rotates, it drives the rack to move horizontally. A loading platform is provided above the moving platform;

[0009] A rotating assembly is provided between the moving platform and the loading platform. The rotating assembly is used to drive the loading platform to rotate horizontally. Rollers are provided on both sides of the loading platform. Symmetric limiting assemblies are provided on both sides of the loading platform. The limiting assemblies are used to automatically limit the materials. When moving to the corresponding storage position, the rotating assembly drives the loading platform to rotate, so that the materials on the surface of the loading platform are inclined. During the inclination of the loading platform, the limiting assemblies are driven to move in the opposite direction of clamping, so that the materials limited in the limiting assemblies slide to the storage position. A discharging assembly is provided on one side of the loading platform close to the storage position. The discharging assembly is used to buffer the placed materials. At the same time, the discharging assembly is used to shovel and pick up the materials placed in the storage position.

[0010] As a further improvement of this technical solution, a limiting beam is provided on the surface of the loading platform close to the storage position. The limiting beam is used to limit the end of the material, and a rotating roller is provided at the bottom of the limiting beam.

[0011] As a further improvement of this technical solution, the limiting assembly includes column cylinders provided on both sides of the loading platform. A sliding column is slidably provided on the inner wall of the column cylinder. A clamping plate is provided at the end of the sliding column. A first elastic member is provided between the column cylinder and the sliding column. The clamping plate is used to automatically clamp the materials.

[0012] As a further improvement of this technical solution, symmetric fixing blocks are provided on both sides of the surface of the moving platform. A collecting rod is rotatably provided on the surface of the fixing block. A torsion spring is provided between the collecting rod and the fixing block. A driven gear is provided at the end of the collecting rod. A traction rope is provided at the end of the sliding column. The traction rope passes through the column cylinder and winds around the surface of the collecting rod.

[0013] As a further improvement of this technical solution, the traction force of the first elastic member on the traction rope is twice the traction force of the torsion spring on the traction rope.

[0014] As a further improvement of this technical solution, the rotating assembly includes a cylinder provided at the end of the moving platform. The piston rod at the end of the cylinder pushes the loading platform to rotate on the surface of the moving platform. A driving gear is provided at the rotating shaft of the loading platform. The driving gear meshes and rotates with the driven gear.

[0015] As a further improvement of this technical solution, sliding rods are provided at the four corners between the movable platform and the loading platform, and a second elastic member is provided inside the sliding rods. The loading platform is supported by the sliding rods to reduce the load-bearing capacity of the piston rod at the end of the cylinder on the loading platform.

[0016] As a further improvement of the present technical solution, the unloading assembly includes a groove provided on the surface of the worktable, a support rod is provided at the groove, a shovel plate is rotatably provided on the surface of the support rod, a third elastic member is provided on the surface of the support rod, and the shovel plate and the groove side walls are respectively connected on both sides of the third elastic member. In the natural state, the shovel plate is subjected to the force of the third elastic member and forms an angle of 45° with the horizontal plane. A cut angle is provided at the bottom of the shovel plate, and the cut angle is parallel to the horizontal plane in the absence of external force.

[0017] A second object of the present invention is to provide a method for using a stacker crane for a stainless steel production high-bay warehouse, comprising the stacker crane for a stainless steel production high-bay warehouse as described above, wherein S1: placing materials on a loading platform, automatically limiting and fixing both sides of the materials by means of a limiting assembly, and driving the materials to move vertically to a corresponding storage position height by sliding a movable platform on the surface of a traction frame;

[0018] S2. Start the motor to drive the gear body to rotate, which drives the rack meshing with the surface of the gear body to move horizontally, so that the loading platform moves to the inside of the storage position, and drives the loading platform to rotate on the surface of the moving platform through the rotating component. During the rotation of the loading platform, the limit assembly releases the limit fixation of the material, so that the material slides from the roller surface to the corresponding storage position;

[0019] S3. When the material limited at the limit component slides down, a limit beam is set on the surface of the loading platform near the storage position to limit the height of the raised material. At the same time, a rotating roller is set at the bottom of the limit beam. The rolling friction between the rotating roller and the material reduces the friction between the material and the limit beam, thereby avoiding the raised end of the material being blocked outside the storage position.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The stacker for the stainless steel production stereoscopic warehouse, during the process of placing materials, the driving gear provided at the rotating shaft of the loading platform rotates, and the driving gear drives the driven gear to engage and rotate during the rotation, thereby winding the traction rope wrapped around the surface of the collecting rod. The collecting rod twists the torsion spring during the rotation process, and at the same time, the tension of the traction rope pulls the sliding column, causing the sliding column to squeeze the first elastic member, so that the external force on the material fixed between the splints disappears, so that the material can quickly slide to the storage position, thereby improving the efficiency of material placement.

[0022] 2. The stacker of the three-dimensional warehouse for stainless steel production clamps and fixes the material by placing the material between the clamping plates. The clamping plates are driven by the extrusion of the material to slide the sliding columns on the inner wall of the cylinder barrels, causing the first elastic members to deform and exerting a reaction force on the clamping plates to clamp the material. Since the first elastic members have a buffering effect, the clamping plates can adaptively clamp according to the material size, improving the clamping efficiency. Moreover, during the clamping process, the clamping force of the clamping plates is small and will not cause deformation due to the extrusion of the material, thereby protecting the material and reducing material loss.

[0023] 3. The stacker of the three-dimensional warehouse for stainless steel production limits the height of the warped material by setting a limiting beam on the surface of the loading platform near the storage position. At the same time, rotating rollers are arranged at the bottom of the limiting beam. Through the rolling friction between the rotating rollers and the material, the frictional force between the material and the limiting beam is reduced, avoiding the material end from warping and blocking outside the storage position, facilitating the placement of the material. At the same time, when taking the material, the limiting beam limits the end of the material to prevent the warping position of the material from shifting, resulting in the material falling from a height and avoiding the occurrence of safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is the overall structural schematic diagram of the present invention;

[0025] Figure 2 is the front view of the rotating assembly of the present invention;

[0026] Figure 3 is the schematic diagram of the structure of the limiting group of the present invention;

[0027] Figure 4 is the cross-sectional view of the limiting component of the present invention;

[0028] Figure 5 is of the present invention Figure 4 schematic diagram at position A;

[0029] Figure 6 is the schematic diagram of the structure of the unloading component of the present invention;

[0030] Figure 7 is the schematic diagram of the structure of the limiting beam of the present invention;

[0031] Figure 8 is the schematic diagram of the structure of the limiting component of the present invention.

[0032] The meanings of the various reference numerals in the drawings are as follows:

[0033] 100, traction frame; 101, moving platform; 102, motor; 103, gear body; 200, loading platform; 201, roller; 202, limiting beam; 203, rotating roller;

[0034] 300. Limiting component; 301. Column cylinder; 302. Slide post; 303. Clamping plate; 304. First elastic member; 305. Traction rope; 306. Collection rod; 307. Torsion spring; 308. Driven gear;

[0035] 400. Rotating component; 401. Cylinder; 402. Slide bar; 403. Second elastic member; 404. Driving gear;

[0036] 500. Unloading component; 501. Support rod; 502. Shoveling plate; 503. Third elastic member; 504. Chamfer. Specific embodiments

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with 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, rather than all 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.

[0038] One of the purposes of the present invention is to provide a stacker for a three-dimensional warehouse used in stainless steel production. Refer to Figures 1-8 As shown, it includes a traction frame 100 and a moving platform 101. A rack is provided at the bottom of the moving platform 101, and symmetric motors 102 are provided on the side wall of the moving platform 101. A gear body 103 is provided at the end of the motor 102, and the gear body 103 is meshed and arranged at the bottom of the rack. When the gear body 103 rotates, it drives the rack to move horizontally. A loading platform 200 is provided above the moving platform 101;

[0039] A rotating component 400 is provided between the moving platform 101 and the loading platform 200. The rotating component 400 is used to drive the loading platform 200 to rotate horizontally. Rollers 201 are provided on the surfaces of both sides of the loading platform 200. Limiting components 300 are provided symmetrically on both sides of the loading platform 200. The limiting components 300 are used to automatically limit the materials. When moving to the corresponding storage position, the rotating component 400 drives the loading platform 200 to rotate, so that the materials on the surface of the loading platform 200 are inclined. During the inclination process of the loading platform 200, it drives the limiting components 300 to move in the opposite direction of clamping, so that the materials limited in the limiting components 300 slide down to the storage position. An unloading component 500 is provided on one side of the loading platform 200 close to the storage position. The unloading component 500 is used to buffer the placed materials. At the same time, the unloading component 500 is used to shovel and pick up the materials placed at the storage position.

[0040] The improvement of the present invention lies in: by placing the material between the clamping plates 303, the clamping plates 303 are driven by the extrusion of the material to slide the sliding columns 302 on the inner wall of the cylinder 301, causing the first elastic member 304 to deform and apply a reaction force to the clamping plates 303 to clamp and fix the material. Since the first elastic member 304 has a buffering effect, the clamping plates 303 can be adaptively clamped according to the material size, improving the clamping efficiency. Moreover, during the clamping process, the clamping force of the clamping plates 303 is small and will not cause deformation due to the extrusion of the material, thereby protecting the material and reducing material loss.

[0041] When the material is moved to the corresponding storage position for placement or retrieval by the moving table 101, when the length of the material placed on the surface of the loading platform 200 is relatively long, due to the limited height of the placement groove, in order to prevent the end of the material from tilting up and blocking outside the storage position, affecting the placement of the material. Therefore, by starting the motor 102 to drive the gear body 103 to rotate, driving the rack meshed with the surface of the gear body 103 to move horizontally, so that the material limited to the limiting component 300 slides down. By setting a limiting beam 202 on the surface of the loading platform 200 near the storage position, the height of the tilted material is limited by the limiting beam 202. At the same time, a rotating roller 203 is arranged at the bottom of the limiting beam 202. Through the rolling friction between the rotating roller 203 and the material, the friction between the material and the limiting beam 202 is reduced, preventing the end of the material from tilting up and blocking outside the storage position, facilitating the placement of the material. At the same time, when retrieving the material, the end of the material is limited by the limiting beam 202 to prevent the tilted position of the material from shifting, resulting in the material falling from a high altitude and avoiding the occurrence of safety hazards.

[0042] Considering that during the production process of stainless steel materials, the surface of the materials is relatively smooth. During the warehousing process of the materials, the materials are prone to sliding during movement, resulting in the materials falling off the surface of the carrier 200. To avoid the materials from falling, a clamping device is usually used to clamp the materials. During the clamping process, since the sizes of the materials are different, in order to avoid deforming the materials when clamping and fixing them, it is necessary to frequently adjust the clamping force according to the diameter of the materials, which is rather troublesome. Therefore, the limiting component 300 includes column cylinders 301 provided on both sides of the carrier 200. A sliding column 302 is slidably provided on the inner wall of the column cylinder 301. A clamping plate 303 is provided at the end of the sliding column 302. A first elastic member 304 is provided between the column cylinder 301 and the sliding column 302. The clamping plate 303 is used to automatically clamp the materials. By placing the materials between the clamping plates 303, the clamping plates 303 are driven by the extrusion of the materials to slide the sliding column 302 on the inner wall of the column cylinder 301, causing the first elastic member 304 to deform and exert a reaction force on the clamping plates 303 to clamp and fix the materials. Since the first elastic member 304 has a buffering effect, the clamping plates 303 can adaptively clamp according to the material size, improving the clamping efficiency. Moreover, during the clamping process, the clamping force of the clamping plates 303 is small and will not cause deformation due to the extrusion of the materials, thereby protecting the materials and reducing material loss.

[0043] When the material clamped between the clamping plates 303 moves to the corresponding storage position and slides down due to the inclined loading platform 200, since the material is subjected to the clamping force of the clamping plates 303, it is difficult for the material to fall, which affects the storage efficiency of the material. Therefore, symmetric fixing blocks are provided on both sides of the surface of the moving platform 101. A collecting rod 306 is rotatably provided on the surface of the fixing block. A torsion spring 307 is provided between the collecting rod 306 and the fixing block. A driven gear 308 is provided at the end of the collecting rod 306. A traction rope 305 is provided at the end of the sliding column 302. The traction rope 305 passes through the cylinder 301 and is wound around the surface of the collecting rod 306. By rotating the collecting rod 306, the traction rope 305 fixed to the end of the sliding column 302 is wound around the surface of the collecting rod 306. The traction force of the first elastic member 304 on the traction rope 305 is twice the traction force of the torsion spring 307 on the traction rope 305. Through the traction force of the traction rope 305 on the sliding column 302, the sliding column 302 drives the clamping plate 303 to move away from the surface of the material, so that the clamping plate 303 stops limiting and fixing the material, facilitating the material to quickly slide down to the corresponding storage position for storage, improving the storage efficiency of the material. At the same time, in order to prevent the traction force of the torsion spring 307 on the traction rope 305 from being too large, resulting in the disappearance of the clamping force between the clamping plates 303 on the material and causing the material to slide during the movement. Therefore, the traction force of the first elastic member 304 on the traction rope 305 is twice the traction force of the torsion spring 307 on the traction rope 305. By designing the traction force of the sliding column 302 on the traction rope 305, the traction force of the traction rope 305 by the sliding column 302 is greater than the traction force of the collecting rod 306, thus ensuring that the clamping plate 303 does not loosen during the clamping process of the material and improving the safety of the material during the movement process.

[0044] Considering that when placing materials, in order to improve the placement efficiency of materials, the rotating assembly 400 includes a cylinder 401 provided at the end of the moving table 101. The piston rod at the end of the cylinder 401 pushes the loading table 200 to rotate on the surface of the moving table 101. A driving gear 404 is provided at the rotating shaft of the loading table 200. The driving gear 404 meshes and rotates with the driven gear 308. The piston rod at the end of the cylinder 401 drives the loading table 200 to rotate on the surface of the moving table 101. The piston rod and the bottom of the loading table 200 are rotatably connected through a connecting block. During the rotation of the loading table 200, the materials placed on the surface of the loading table 200 slide on the surface of the roller 201 under the action of gravity, so that the materials slide to the corresponding storage positions. When rotating the loading table 200, the driving gear 404 provided at the rotating shaft of the loading table 200 rotates. When the driving gear 404 rotates, it drives the driven gear 308 to mesh and rotate, so as to wind up the towing rope 305 wound around the collecting rod 306. During the rotation of the collecting rod 306, the torsion spring 307 is twisted. At the same time, the sliding column 302 is pulled by the tension of the towing rope 305, so that the sliding column 302 squeezes the first elastic member 304, so that the external force on the materials limited and fixed between the clamping plates 303 disappears, so that the materials can quickly slide to the storage positions, thereby improving the placement efficiency of the materials.

[0045] Considering that different materials have different weights, when the cylinder 401 is used to horizontally adjust the loading table 200, it is easy to reduce the service life of the cylinder 401. Therefore, sliding rods 402 are provided at the four corners between the moving table 101 and the loading table 200. A second elastic member 403 is provided inside the sliding rod 402. The loading table 200 is supported by the sliding rod 402 to reduce the load on the loading table 200 by the piston rod at the end of the cylinder 401. By providing the sliding rods 402 at the four corners between the moving table 101 and the loading table 200 and the second elastic member 403 inside the sliding rod 402, the second elastic member 4 is supported by the second elastic member 403. 03 supports the sliding rod 402, so that the sliding rod 402 provides a supporting force for the loading table 200, avoiding the cylinder 401 being in a stressed state all the time, thereby improving the service life of the cylinder 401.

[0046] Taking into account the process of taking materials, in order to facilitate the rapid taking of materials, the unloading assembly 500 includes a groove provided on the surface of the loading platform 200, a support rod 501 is provided at the groove, a shovel plate 502 is rotatably provided on the surface of the support rod 501, a third elastic member 503 is provided on the surface of the support rod 501, and the shovel plate 502 and the groove side wall are connected on both sides of the third elastic member 503. In the natural state, the shovel plate 502 is subjected to the force of the third elastic member 503 and forms an angle of 45° with the horizontal plane. A cut corner 504 is provided at the bottom of the shovel plate 502. When there is no external force, the cut corner 504 passes through the movable platform 1 parallel to the horizontal plane. 01 to the end face of the storage position, rotate the loading platform 200 on the surface of the moving platform 101, so that the cut corner 504 provided on the bottom of the shovel plate 502 slides on the surface of the storage position, and during the movement of the shovel plate 502, the bottom of the shovel plate 502 and the surface of the storage position form a triangular stable structure, so that the material continues to move along the surface of the shovel plate 502, and the end of the material is limited by the rotating roller 203, so that the material quickly falls on the surface of the loading platform 200, and the loading platform 200 is rotated to a horizontal position, so that the material falling on the surface of the loading platform 200 is clamped and fixed by the force of the limiting component 300, thereby facilitating the rapid removal of the material and improving safety.

[0047] A second object of the present invention is to provide a method for using a stacker crane for a stainless steel production high-bay warehouse, comprising any one of the above-mentioned stackers for stainless steel production high-bay warehouses, comprising the following steps:

[0048] S1. Place the material on the surface of the loading platform 200. The limiting assembly 300 automatically limits and fixes the material on both sides. The moving platform 101 slides on the surface of the traction frame 100 to move the material vertically to the corresponding storage position height.

[0049] S2. Start the motor 102 to rotate the gear body 103, which drives the rack meshing with the surface of the gear body 103 to move horizontally, so that the loading platform 200 moves to the inside of the storage position. The rotating assembly 400 drives the loading platform 200 to rotate on the surface of the movable platform 101. During the rotation of the loading platform 200, the position limit of the material fixed by the limit assembly 300 is released, so that the material slides from the surface of the roller 201 to the corresponding storage position.

[0050] S3. When the material limited at the limiting component 300 slides down, a limiting beam 202 is set on the surface of the loading platform 200 near the storage position, and the height of the raised material is limited by the limiting beam 202. At the same time, a rotating roller 203 is set at the bottom of the limiting beam 202. The rolling friction between the rotating roller 203 and the material reduces the friction between the material and the limiting beam 202, thereby avoiding the material end being blocked outside the storage position due to the raised end.

[0051] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A stacker for a three-dimensional warehouse used in stainless steel production, characterized in that: It includes a traction frame (100) and a moving platform (101). A rack is provided at the bottom of the moving platform (101). Symmetric motors (102) are provided on the side wall of the moving platform (101). A gear body (103) is provided at the end of the motor (102). The gear body (103) is meshed and arranged at the bottom of the rack. When the gear body (103) rotates, it drives the rack to move horizontally. A loading platform (200) is provided above the moving platform (101). A rotating assembly (400) is provided between the moving platform (101) and the loading platform (200). The rotating assembly (400) is used to drive the loading platform (200) to rotate horizontally. Rollers (201) are provided on both sides of the loading platform (200). A limiting beam (202) is provided on the surface of the loading platform (200) near the storage position. The limiting beam (202) is used to limit the end of the material. A rotating roller (203) is provided at the bottom of the limiting beam (202). Symmetric limiting assemblies (300) are provided on both sides of the loading platform (200). The limiting assemblies (300) are used to automatically limit the material. When moving to the corresponding storage position, the rotating assembly (400) drives the loading platform (200) to rotate, making the material on the surface of the loading platform (200) inclined. During the inclination of the loading platform (200), the limiting assemblies (300) are driven to move in the opposite direction of clamping, so that the material limited in the limiting assemblies (300) slides to the storage position. The limiting assembly (300) includes column cylinders (301) provided on both sides of the loading platform (200). A sliding column (302) is slidably provided on the inner wall of the column cylinder (301). A clamping plate (303) is provided at the end of the sliding column (302). A first elastic member (304) is provided between the column cylinder (301) and the sliding column (302). The clamping plate (303) is used to automatically clamp the material. The rotating assembly (400) includes a cylinder (401) provided at the end of the moving platform (101). The piston rod at the end of the cylinder (401) pushes the loading platform (200) to rotate on the surface of the moving platform (101). A driving gear (404) is provided at the rotating shaft of the loading platform (200). The driving gear (404) meshes and rotates with a driven gear (308). Symmetric fixing blocks are provided on both sides of the surface of the moving platform (101). A collecting rod (306) is rotatably provided on the surface of the fixing block. A torsion spring (307) is provided between the collecting rod (306) and the fixing block. A driven gear (308) is provided at the end of the collecting rod (306). A traction rope (305) is provided at the end of the sliding column (302). The traction rope (305) passes through the column cylinder (301) and is wound around the surface of the collecting rod (306). The traction force of the first elastic member (304) on the traction rope (305) is twice the traction force of the torsion spring (307) on the traction rope (305). A discharge assembly (500) is provided on one side of the loading platform (200) close to the storage location. The discharge assembly (500) is used to buffer the placed materials. Simultaneously, the discharge assembly (500) is used to shovel and retrieve the materials placed at the storage location.

2. The stacker of the three-dimensional warehouse for stainless steel production according to claim 1, characterized in that: Slide rods (402) are provided at the four corners between the movable platform (101) and the loading platform (200), and a second elastic member (403) is provided inside the slide rods (402). The loading platform (200) is supported by the slide rods (402), thereby reducing the load-bearing capacity of the piston rod at the end of the cylinder (401) on the loading platform (200).

3. The stacker of the three-dimensional warehouse for stainless steel production according to claim 1, characterized in that: The unloading assembly (500) includes a groove provided on the surface of the loading platform (200), a support rod (501) is provided at the groove, a shovel plate (502) is rotatably provided on the surface of the support rod (501), a third elastic member (503) is provided on the surface of the support rod (501), and the shovel plate (502) and the side wall of the groove are connected on both sides of the third elastic member (503). In a natural state, the shovel plate (502) is subjected to the force of the third elastic member (503) and forms an angle of 45° with the horizontal plane. A cut angle (504) is provided at the bottom of the shovel plate (502), and the cut angle (504) is parallel to the horizontal plane when there is no external force.

4. A method for using a stacker for a three-dimensional warehouse in stainless steel production, including the stacker for the three-dimensional warehouse in stainless steel production according to any one of claims 1-3, characterized in that: The following steps are involved: S1. Place the material on the surface of the loading platform (200), automatically limit and fix both sides of the material through the limit assembly (300), and slide the moving platform (101) on the surface of the traction frame (100) to drive the material to move vertically to the corresponding storage position height; S2, starting the motor (102) to drive the gear body (103) to rotate, driving the rack engaged with the surface of the gear body (103) to move horizontally, so that the loading platform (200) moves to the inside of the storage position, and driving the loading platform (200) to rotate on the surface of the moving platform (101) through the rotating component (400). During the rotation of the loading platform (200), the limiting component (300) is released to fix the material, so that the material slides from the surface of the roller (201) to the corresponding storage position; S3. When the material limited at the limiting assembly (300) slides down, a limiting beam (202) is provided on the surface of the loading platform (200) near the storage position, and the height of the raised material is limited by the limiting beam (202). At the same time, a rotating roller (203) is provided at the bottom of the limiting beam (202). The rolling friction between the rotating roller (203) and the material reduces the friction between the material and the limiting beam (202), thereby preventing the material end from being blocked outside the storage position due to the raised end.

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