Sheet material storage rack

Abstract

The application provides a sheet storage stereoscopic warehouse device, and relates to mechanical warehouse transportation, comprising a warehouse body, an external column assembly and a lifting mechanism. The warehouse body is surrounded by a top frame, left and right wall plates and a back plate, and an inner layer is provided with a placing rack for storing sheet materials; the external column assembly is provided with independent left and right columns, and a detachable lifting track is assembled on the outer side of the columns; the lifting machine is lifted along the track, and the columns and the warehouse body are reinforced and integrated through a side connecting beam. The lifting mechanism adopts a middle motor and a speed reducer to synchronously drive the two side sprocket chains through a transmission shaft, and the chains drive the lifting machine to move vertically. According to the scheme, the lifting track is independently arranged outside, the stress of the whole machine is optimized, the running shaking is small, and the wear is low; the track can be individually disassembled and replaced, and the maintenance is convenient; the single driving source is used for double-side synchronous transmission, and there is no load clamping during lifting; the screws of the components of the warehouse body are assembled and disassembled flexibly, and the device is suitable for sheet metal and mechanical processing production line sheet material automatic stereoscopic storage.

Description

Technical Field

[0001] This invention relates to the field of mechanical warehousing and transportation technology, specifically to a three-dimensional material storage device for sheet metal. Background Technology

[0002] With the rapid development of China's automation industry, the demand for automated storage and retrieval systems (AS / RS) in industries such as sheet metal processing and machinery manufacturing continues to rise. Among these, sheet metal AS / RS, which are adapted to single-row layouts and can be directly connected to production lines, are becoming increasingly widely used. Existing conventional sheet metal AS / RS often integrate the hoist's running track directly into the inner wall panel of the AS / RS body, with the hoist performing lifting and lowering operations along the internal track. However, in actual production and use, this type of structure has several significant drawbacks: the distance between the hoist's center of gravity and the track support structure is large, resulting in poor overall stress distribution. The hoist is prone to significant vibration and noticeable abnormal noise during lifting and lowering movements and horizontal material handling by the hook device. Long-term high-frequency operation can easily cause track wear and deformation, leading to a high equipment failure rate and short service life. Furthermore, the track and AS / RS wall panel are a fixed integrated structure, making track replacement difficult after wear. Maintenance requires disassembling the main frame of the AS / RS body, resulting in high maintenance costs and long downtime. Summary of the Invention

[0003] To overcome the shortcomings of existing technologies, a three-dimensional material storage device for sheet metal is provided to solve the problems in the background technology.

[0004] To achieve the above objectives, a three-dimensional material storage device for sheet metal is provided, including a storage body, an external column assembly, and a lifting mechanism; The storage unit includes a top frame, a left wall panel, a right wall panel, and a back panel. The left and right wall panels are located on the left and right sides of the top frame, respectively, and the back panel is located on the back of the top frame. The three components together form an internal storage cavity, in which a shelf for supporting the material is fixed in layers. The external support column assembly includes an upper crossbeam, a lower crossbeam, a left column, and a right column; the upper crossbeam is installed parallel to the front end of the top frame, and the left and right columns are vertically located at both ends of the upper crossbeam, with their bottom ends connected to the lower crossbeam below the storage body; lifting rails are fixed on the opposing side walls of the left and right columns, and the hoist is assembled between the left and right columns via the lifting rails; The lifting mechanism includes a driven sprocket, a chain, a drive sprocket, a transmission shaft, a reducer, and a motor. The driven sprocket is installed on the upper part of the column, and the drive sprocket is correspondingly installed on the lower part of the column. The chain is meshed and wound between the driven sprocket and the drive sprocket, and the chain is fixedly connected to the lifting mechanism. The drive sprockets on the left and right sides are coaxially connected through the transmission shaft. The middle part of the transmission shaft is connected to the output end of the reducer via a coupling, and the input end of the reducer is connected to the motor.

[0005] Furthermore, at least one side connecting beam is provided between the left column and the left wall panel, and between the right column and the right wall panel, with both ends of the side connecting beam fixedly connected to the corresponding column and wall panel, respectively.

[0006] Furthermore, the left wall panel, right wall panel, back panel, and top frame are all detachably connected by screws.

[0007] Furthermore, the lifting track is detachably fixed to the side walls of the left and right columns by screws; guide roller sets are provided on the left and right sides of the hoist corresponding to the lifting track, and the guide roller sets are fitted into the lifting track.

[0008] Furthermore, both the reducer and the motor are fixedly installed in the middle of the lower crossbeam, and the transmission shaft is horizontally arranged along the length of the lower crossbeam to synchronously drive the drive sprockets on both sides to rotate.

[0009] Furthermore, the lower end of the chain meshes with the drive sprocket, and after reversing direction by going up around the driven sprocket at the top, the end of the chain is fixedly connected to the side of the hoist, and the hoist is driven to rise and fall along the hoisting track by the forward and reverse rotation of the motor.

[0010] The beneficial effects of this invention are as follows: The design adopts a split structure with external columns, in which the lifting track is independently set on the column assembly on the outside of the silo body. This brings the center of gravity of the lifting track and the hoist closer together, optimizing the mechanical stress state of the whole machine. The lifting track is fixed to the side wall of the column with screws. When the track wears out after long-term operation, it can be directly disassembled and replaced without disassembling the main structure of the silo body. The modular frame structure allows for flexible configuration according to site requirements and supports multiple optional functions such as multi-directional entry and exit trolleys and internal integrated feeding.

[0011] The system adopts a dual-side synchronous chain drive layout with a central motor reducer and a drive shaft. A single drive source synchronously drives the chains on both sides, ensuring that the lifting height of the left and right sides of the hoist is completely synchronized, thus avoiding the problem of uneven load jamming. Attached Figure Description

[0012] Figure 1 This is an isometric view of the device of the present invention; Figure 2 This is a front view of the device of the present invention; Figure 3 This is a left view of the device of the present invention.

[0013] In the diagram: 1. Left column; 2. Upper beam; 3. Left wall panel; 4. Top frame; 5. Right wall panel; 6. Right column; 8. Back panel; 10. Coupling; 11. Reducer; 12. Lower beam; 13. Drive shaft; 14. Lifting track; 15. Driven sprocket; 16. Side connecting beam; 17. Chain; 18. Motor; 19. Drive sprocket. Detailed Implementation

[0014] Please refer to Figures 1 to 3 As shown, a three-dimensional material storage device for sheet metal of the present invention includes a storage body, an external column assembly, and a lifting mechanism. The storage unit is a modular, assembled frame structure, comprising a top frame 4, a left wall panel 3, a right wall panel 5, and a back panel 8. The top frame 4 is a rectangular welded load-bearing frame, serving as the top support base of the storage unit. The left wall panel 3 and right wall panel 5 are located on the left and right sides of the top frame 4, respectively, while the back panel 8 is located at the back of the top frame 4. The tops of the left wall panel 3, right wall panel 5, and back panel 8 are detachably fixed to the corresponding sides of the top frame 4 using screws. The three components together form an internal storage cavity with an opening at the front. Several layers of storage racks 9 are fixed along the height of the internal storage cavity. Each layer of storage racks 9 is arranged parallel to each other at equal intervals, and each layer of storage racks 9 is equipped with a pallet positioning support structure to support steel pallets loaded with sheet materials, achieving three-dimensional, dense storage of multi-layer sheet materials. In actual implementation, the number of layers and the spacing between layers of storage racks 9 can be adjusted according to the storage capacity and sheet material specifications, simultaneously accommodating the storage needs of both light and heavy-duty sheet materials.

[0015] The external column assembly includes an upper crossbeam 2, a lower crossbeam 12, a left column 1, and a right column 6. The upper crossbeam 2 is installed parallel to the front end of the top frame 4, and the two are fixedly connected by connecting support bolts. The left column 1 and the right column 6 are vertically arranged at the left and right ends of the upper crossbeam 2, and the top of the column is fixedly connected to the end of the upper crossbeam 2. The bottom ends of the two columns are connected to the lower crossbeam 12 below the warehouse body. The lower crossbeam 12 is arranged in a horizontal direction and serves as the bottom bearing base of the external column assembly.

[0016] At least one side connecting beam 16 is provided between the left column 1 and the left wall panel 3, and between the right column 6 and the right wall panel 5. The side connecting beam 16 is arranged in the horizontal direction, and its two ends are fixedly connected to the side wall of the corresponding column and the outer wall of the wall panel by bolts, so as to connect the external column assembly and the silo body into an integral load-bearing frame, strengthen the overall structural rigidity, and effectively reduce the vibration amplitude when the hoist is running.

[0017] Lifting rails 14 are fixed to the inner sidewalls of both the left column 1 and the right column 6, running the entire length of the column. The lifting rails 14 are detachably fixed to the column sidewalls with screws. When the rails wear out after long-term operation, they can be removed and replaced individually without disassembling the entire column structure, significantly reducing maintenance costs and equipment downtime. Guide roller assemblies are installed on both sides of the hoist 7 corresponding to the lifting rails 14. These guide roller assemblies are fitted into the grooves of the lifting rails 14. Through the rolling constraint of multiple sets of rollers, the hoist 7 can perform stable vertical reciprocating motion along the lifting rails 14.

[0018] The lifting mechanism is a double-sided synchronous chain drive structure, including a driven sprocket 15, a chain 17, a drive sprocket 19, a drive shaft 13, a reducer 11, and a motor 18. The driven sprocket 15 is installed on the upper inner side of the left column 1 and the right column 6, and the drive sprocket 19 is installed on the lower inner side of the two columns, coaxially aligned with the driven sprocket 15 above. The chain 17 is meshed and wound between the driven sprocket 15 and the drive sprocket 19, forming a closed-loop transmission circuit. The chain body of the chain 17 is fixedly connected to the side support of the hoist 7, and the reciprocating motion of the chain drives the hoist to complete the lifting action.

[0019] The drive sprockets 19 on both sides are coaxially connected via a drive shaft 13. The drive shaft 13 is horizontally arranged along the length of the lower crossbeam 12, and its shaft body is supported and fixed on the lower crossbeam 12 by multiple sets of bearing seats. The middle part of the drive shaft 13 is connected to the output end of the reducer 11 via a coupling 10, and the input end of the reducer 11 is connected to the output shaft of the motor 18. The reducer 11 and the motor 18 are both fixedly installed in the middle position of the lower crossbeam 12, adopting a layout of central drive and double-sided synchronous transmission to ensure the high synchronization of the chain transmission on both sides and avoid the problem of uneven load jamming of the hoist.

[0020] In the specific transmission path, the lower end of the chain 17 meshes with the drive sprocket 19 for transmission, and rotates upward around the driven sprocket 15 at the top to complete the reversal. The movable end of the chain is fixedly connected to the side support of the hoist 7. Through the forward and reverse output of the motor 18, the transmission shaft is driven to rotate after being reduced and increased in torque by the reducer, which in turn drives the drive sprockets on both sides to rotate synchronously. Through the chain transmission, the hoist is driven to make stable lifting and lowering operations along the hoisting track.

[0021] The external control system sends a running command to the motor 18. After the motor 18 starts, it outputs torque, which is reduced and amplified by the reducer 11 and then drives the transmission shaft 13 to rotate synchronously through the coupling 10. The transmission shaft 13 drives the drive sprockets 19 at both ends to rotate synchronously. Through the cooperation of the chain 17 and the driven sprocket 15, the rotational motion is converted into the vertical reciprocating motion of the chain, which in turn drives the hoist 7 to move up and down along the hoisting track 14. Under the constraint of the guide roller group, the hoist 7 runs smoothly to the position of the designated layer placement rack 9 to complete the picking and placing of the plate pallet, realizing the automated three-dimensional storage and retrieval of the plate.

[0022] It can be equipped with a PLC control system and servo drive unit, and uses a multi-turn absolute encoder to provide real-time feedback on the load end position information of the hoist, thereby offsetting the position error caused by long-term chain stretching, achieving precise layer positioning, and further improving the operating efficiency and position accuracy of storage and retrieval operations.

Claims

1. A three-dimensional material storage device for sheet metal, characterized in that, This includes the warehouse body, external support column components, and lifting mechanism; The storage unit includes a top frame (4), a left wall panel (3), a right wall panel (5), and a back panel (8). The left wall panel (3) and the right wall panel (5) are respectively located on the left and right sides of the top frame (4), and the back panel (8) is located on the back of the top frame (4). The three together form an internal storage cavity, in which a shelf (9) for supporting the board material is fixed in layers. The external column assembly includes an upper crossbeam (2), a lower crossbeam (12), a left column (1), and a right column (6); the upper crossbeam (2) is installed parallel to the front end of the top frame (4), and the left column (1) and the right column (6) are vertically located at both ends of the upper crossbeam (2), with their bottom ends connected to the lower crossbeam (12) below the warehouse body; lifting rails (14) are fixed on the side walls of the left column (1) and the right column (6) facing each other, and the hoist (7) is assembled between the left column (1) and the right column (6) through the lifting rails (14); The lifting mechanism includes a driven sprocket (15), a chain (17), a drive sprocket (19), a transmission shaft (13), a reducer (11), and a motor (18). The driven sprocket (15) is installed on the upper part of the column, and the drive sprocket (19) is installed on the lower part of the column. The chain (17) is meshed and wound between the driven sprocket (15) and the drive sprocket (19), and the chain (17) is fixedly connected to the lifting machine (7). The drive sprockets (19) on the left and right sides are coaxially connected through the transmission shaft (13). The middle part of the transmission shaft (13) is connected to the output end of the reducer (11) via a coupling (10), and the input end of the reducer (11) is connected to the motor (18) for transmission.

2. The sheet metal storage three-dimensional material storage device according to claim 1, characterized in that, At least one side connecting beam (16) is provided between the left column (1) and the left wall panel (3), and between the right column (6) and the right wall panel (5). The two ends of the side connecting beam (16) are fixedly connected to the corresponding column and wall panel respectively.

3. The sheet metal storage three-dimensional material storage device according to claim 1, characterized in that, The left wall panel (3), right wall panel (5), back panel (8) and top frame (4) are all connected by screws for easy disassembly.

4. The sheet metal storage three-dimensional warehouse device according to claim 1, characterized in that, The lifting track (14) is detachably fixed to the side walls of the left column (1) and the right column (6) by screws; the left and right sides of the hoist (7) are provided with guide roller groups corresponding to the lifting track (14), and the guide roller groups are embedded in the lifting track (14).

5. The sheet metal storage three-dimensional silo device according to claim 1, characterized in that, The reducer (11) and the motor (18) are both fixedly installed in the middle of the lower crossbeam (12). The transmission shaft (13) is horizontally arranged along the length of the lower crossbeam (12) and synchronously drives the drive sprockets (19) on both sides to rotate.

6. The sheet metal storage three-dimensional warehouse device according to claim 1, characterized in that, The lower end of the chain (17) meshes with the drive sprocket (19), and after turning upwards around the driven sprocket (15) at the top, the end of the chain is fixedly connected to the side of the hoist (7). The hoist (7) is driven to rise and fall along the hoisting track (14) by the forward and reverse rotation of the motor (18).

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