Finished silicon wafer packaging, grading and storing device

Abstract

The utility model provides a packaging, grading and storing device for finished silicon wafers. The packaging, grading and storing device comprises a storage rack, a moving platform and a lifting unit, the movable platform is arranged on one side of the storage rack and is arranged in the length direction of the storage rack; the lifting unit is mounted on the moving platform; the lifting unit comprises a back plate, a lifting module, a cache frame, a horizontal moving module, a conveying assembly and a positioning assembly; the back plate is mounted on the mobile platform; the lifting module is vertically mounted on the back plate; through automatic design and precise mechanical cooperation, the device can greatly improve the packaging, grading and storage efficiency of the silicon wafers. The automatic conveying system ensures that the silicon wafer box can be quickly and accurately taken out from any position of the storage rack and conveyed to the target storage groove, so that the manual operation time is shortened, and the error rate is reduced. Meanwhile, the silicon wafers at different gears can be clearly distinguished by using the gear labels, confusion and misuse are avoided, and the production accuracy is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon wafer storage equipment, in particular to a finished silicon wafer packaging and grading storage device. Background Art

[0002] With the country's vigorous development of new energy, the demand for photovoltaic cells and silicon wafers is increasing, and the product grades of cells and silicon wafers are also increasing. After the cells or silicon wafers are loaded into the finished product box, they need to be sorted according to the grades of the cells or silicon wafers. The existing cell or silicon wafer sorting is generally completed by robots. The robots store the cells or silicon wafers transported by the conveyor line of the previous process in the silo in grades. After all the cells or silicon wafers are sorted and cached, the robots take out the cells or silicon wafers of the same grade from the cache and transport them to the next station. Due to the complex structure of the robot's gripper and the large range of motion, the number of grabs each time is a single grab, which makes the efficiency of the cell or silicon wafer sorting and caching device low. Utility Model Content

[0003] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide a finished silicon wafer packaging and grading storage device, which realizes efficient, orderly storage and classified transportation of silicon wafers.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A finished silicon wafer packaging and grading storage device comprises a storage rack, a mobile platform and a lifting unit; the mobile platform is arranged on one side of the storage rack and arranged along the length direction of the storage rack;

[0006] The lifting unit includes a back plate, a lifting module, a buffer rack, a horizontal moving module, a conveying assembly and a positioning assembly; the back plate is installed on the mobile platform; the lifting module is vertically installed on the back plate; the buffer rack is installed on the lifting module; a plurality of storage slots are arranged on the buffer rack; the plurality of storage slots are arranged in parallel and spaced apart in the upper and lower parts of the buffer rack; the horizontal moving module is fixedly installed on the back plate and is arranged through the buffer rack; the conveying assembly includes a conveying bracket, a conveying motor, a conveyor belt and a plurality of conveying rollers; the conveying bracket is arranged in parallel and spaced apart above the horizontal moving module; the conveying motor, the conveying bracket and the positioning assembly are installed on the horizontal moving module; the conveying roller is rotatably installed on the conveying bracket and is connected to the conveying motor through the conveyor belt; the positioning assembly includes two symmetrical and spaced-apart cylinders; the cylinder is installed on the horizontal moving module; the horizontal moving module drives the conveying motor, the conveying bracket and the cylinder to move synchronously.

[0007] Preferably, the mobile platform includes an X-axis linear module and a Y-axis linear module; the X-axis linear module is arranged parallel to the storage rack; the Y-axis linear module is vertically installed on the X-axis linear module; the back plate is installed on the Y-axis linear module.

[0008] Preferably, the lifting unit further includes two guiding guardrails; the two guiding guardrails are symmetrically distributed on both sides of the buffer rack and fixedly connected to the back plate; the guiding guardrails are arranged at intervals above the conveying support.

[0009] Preferably, the lifting unit further includes a plurality of support bars; the support bars are vertically arranged at intervals inside the buffer rack and fixedly connected to the buffer rack; the area between two adjacent support bars above and below forms a storage slot.

[0010] Preferably, when the piston rod of the air cylinder is in the retracted state, the upper end surface of the piston rod is lower than the upper end surface of the conveyor belt; when the piston rod of the air cylinder is in the extended state, the upper end surface of the piston rod is higher than the upper end surface of the conveyor belt.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] Improve production efficiency and accuracy: Through automated design and precise mechanical cooperation, the device can significantly improve the efficiency of silicon wafer packaging, grading, and storage. The automated conveying system ensures that the silicon wafer box can be quickly and accurately taken out from any position of the storage rack and transported to the target storage slot, reducing the time and error rate of manual operation. At the same time, the use of grading labels enables different grades of silicon wafers to be clearly distinguished, avoiding confusion and misuse, and further improving production accuracy.

[0013] Optimize space utilization: Multiple cassette positions are provided in the storage rack, and each position can cache a finished silicon wafer box. This design maximizes the use of storage space. The multiple storage slots on the buffer rack allow multiple silicon wafer boxes to be stored simultaneously, enabling batch processing, which not only reduces the demand for storage space but also improves space utilization. In addition, the flexible design of the mobile platform enables the lifting unit to easily access all corners of the storage rack, ensuring that all cassette positions can be effectively utilized.

[0014] Enhance stability and safety: The design of the guiding guardrails and support bars in the lifting unit enhances the stability of the silicon wafer box during transportation, preventing damage or dropping caused by shaking or tilting. The positioning function of the air cylinder ensures the precise fixation of the silicon wafer box at a specific position, further improving the safety of operation. At the same time, automated operation reduces manual intervention and lowers the risk of safety accidents caused by human factors.

[0015] Reduce operating costs: Automated operations reduce the need for labor and lower labor costs. At the same time, since rework and waste caused by human errors are reduced, the device also helps to reduce material costs and scrap rates. In addition, an efficient storage and transportation system reduces waiting times and production cycles, improves overall production efficiency, and thus further reduces operating costs. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 It is a schematic connection structure diagram of the lifting unit and the mobile platform in the present utility model;

[0018] Figure 3 is Figure 2 a partial enlarged view of part A in

[0019] Figure 4 It is a schematic structural diagram of the lifting unit in the present utility model;

[0020] Figure 5 It is a schematic connection structure diagram of the conveying component and the positioning component in the present utility model.

[0021] Wherein:

[0022] 1. Storage rack; 2. Mobile platform; 21. Y-axis linear module; 22. X-axis linear module; 3. Lifting unit; 31. Back plate; 32. Support bar; 33. Buffer rack; 34. Conveying motor; 35. Cylinder; 36. Horizontal movement module; 37. Conveying roller; 38. Conveying bracket; 39. Guide guardrail; 310. Lifting module; 311. Conveyor belt. Detailed Embodiment

[0023] The present utility model will be further described below with reference to the drawings.

[0024] As Figures 1 to 5 shown, a finished silicon wafer packaging and grading storage device includes a storage rack 1, a mobile platform 2, and a lifting unit 3; a plurality of cassette positions are provided in the storage rack 1, and each position can cache a finished battery cell cassette or a silicon wafer cassette. This design allows for the orderly storage of battery cells or silicon wafers in different grades, facilitating subsequent management and use. Each battery cell cassette or silicon wafer cassette is affixed with a grading label, enabling operators to quickly identify and distinguish products in different grades, improving work efficiency and accuracy. The mobile platform 2 is arranged on one side of the storage rack 1 and is arranged along the length direction of the storage rack 1;

[0025] The lifting unit 3 includes a back plate 31, a lifting module 310, a buffer rack 33, a horizontal moving module 36, a conveying assembly and a positioning assembly; the back plate 31 is mounted on the moving platform 2; the lifting module 310 is vertically mounted on the back plate 31 to drive the buffer rack 33 to rise and fall in the vertical direction. This allows the lifting unit 3 to easily take out or put in a silicon wafer box from the storage rack 1. The buffer rack 33 is installed on the lifting module 310; a plurality of storage slots are provided on the buffer rack 33 for temporarily storing silicon wafer boxes; a plurality of storage slots are arranged in parallel and spaced apart in the upper and lower parts of the buffer rack 33; a horizontal moving module 36 is fixedly installed on the back plate 31 and is arranged through the buffer rack 33, and it drives the conveying assembly and the positioning assembly to move in the horizontal direction to realize the horizontal conveying and precise positioning of the silicon wafer boxes; the conveying assembly includes a conveying bracket 38, a conveying motor 34, a conveying belt 311 and a plurality of conveying rollers 37; the conveying bracket 38 is arranged in parallel and spaced apart above the horizontal moving module 36; the conveying motor 34, the conveying bracket 38 and the positioning assembly are installed on the horizontal moving module 36; the conveying roller 37 is rotatably installed on the conveying bracket 38 and is connected to the conveying motor 34 through the conveying belt 311; the conveying motor 34 drives the conveying roller 37 to rotate through the conveying belt 311, thereby realizing the smooth conveying of the silicon wafer boxes. The positioning assembly includes two symmetrical and spaced cylinders 35 ; the cylinders 35 are mounted on a horizontal moving module 36 ; the horizontal moving module 36 drives the conveying motor 34 , the conveying bracket 38 , and the cylinders 35 to move synchronously.

[0026] In this embodiment, the mobile platform 2 includes an X-axis linear module 22 and a Y-axis linear module 21; the X-axis linear module 22 is arranged parallel to the material storage rack 1, and the Y-axis linear module 21 is vertically mounted on the X-axis linear module 22, respectively realizing horizontal and vertical movement. This design enables the lifting unit 3 to be accurately positioned at any material box position on the material storage rack 1, enhancing the flexibility and accuracy of the operation; the back plate 31 serves as a supporting structure for the lifting unit 3, and the back plate 31 is mounted on the Y-axis linear module 21 and moves vertically with it.

[0027] In this embodiment, the lifting unit 3 also includes two guide guardrails 39; the two guide guardrails 39 are symmetrically distributed on both sides of the buffer rack 33 and are fixedly connected to the back plate 31; the guide guardrails 39 are spaced apart above the conveying bracket 38 to prevent the finished product box from swinging during product conveying. This design ensures the stability and accuracy of the silicon wafer box during the conveying process.

[0028] In this embodiment, the lifting unit 3 also includes a plurality of support bars 32; the support bars 32 are distributed in the buffer rack 33 at intervals up and down and are fixedly connected to the buffer rack 33; the area between two adjacent support bars 32 constitutes a storage slot; the design of the support bars 32 enhances the structural strength of the storage slot and ensures the safe storage of the silicon wafer box.

[0029] In this embodiment, when the piston rod of the cylinder 35 is in the retracted state, the upper end surface of the piston rod is lower than the upper end surface of the conveyor belt 311, allowing the wafer cassette to pass through. This design ensures the stability and accuracy of the wafer cassette during transportation; when the piston rod of the cylinder 35 is in the extended state, the upper end surface of the piston rod is higher than the upper end surface of the conveyor belt 311, which is used to limit the position of the wafer cassette on the conveying bracket 38.

[0030] Workflow

[0031] In the previous process, the battery cells or the finished wafer cassettes after being scanned are conveyed to the waiting area;

[0032] Through the coordinated operation of the X-axis linear module 22 and the Y-axis linear module 21, the lifting unit 3 moves to the waiting area. The piston rod of the cylinder 35 extends, and the lifting module 310 drives the buffer rack 33 to move upward, aligning the empty storage slots with the conveyor belt 311. The horizontal movement module 36 drives the conveyor belt to dock with the waiting area, and the finished product cassette is conveyed onto the conveyor belt 311 and transported by the conveyor belt 311 to the corresponding storage slots until one end abuts against the piston rod of the cylinder 35. At this time, the piston rod of the cylinder 35 retracts, and the wafer cassette is stored in the target storage slot.

[0033] The lifting module 310 drives the buffer rack 33 to continue moving upward, aligning the new empty storage slots with the finished product cassettes in the waiting area, so that multiple wafer cassettes can be stored on the buffer rack 33 at one time, realizing batch transportation and improving work efficiency.

[0034] When all the storage slots on the buffer rack 33 are full, the X-axis linear module 22 and the Y-axis linear module 21 drive the lifting unit 3 to the target position of the storage rack 1. The horizontal movement module 36 drives the conveyor belt 311 to connect with the target position of the storage rack 1. The lifting module 310 drives the buffer rack 33 to descend, causing the wafer cassette to fall onto the conveyor belt 311, and the conveyor belt 311 stores the wafer cassettes of each gear in the corresponding positions on the storage rack 1 respectively.

Claims

1. A finished silicon wafer packaging and grading storage device, characterized in that: It comprises a material storage rack (1), a mobile platform (2) and a lifting unit (3); the mobile platform (2) is arranged on one side of the material storage rack (1) and along the length direction of the material storage rack (1); The lifting unit (3) comprises a back plate (31), a lifting module (310), a buffer rack (33), a horizontal moving module (36), a conveying component and a positioning component; the back plate (31) is mounted on the moving platform (2); The lifting module (310) is vertically mounted on the back plate (31); the buffer rack (33) is mounted on the lifting module (310); and a plurality of storage slots are provided on the buffer rack (33); The plurality of storage slots are arranged in parallel and at intervals in the buffer rack (33); the horizontal moving module (36) is fixedly mounted on the back plate (31) and is arranged to penetrate the buffer rack (33); the conveying assembly comprises a conveying bracket (38), a conveying motor (34), a conveying belt (311) and a plurality of conveying rollers (37); the conveying bracket (38) is arranged in parallel and at intervals above the horizontal moving module (36); the conveying motor (34), the conveying bracket (38) and the positioning assembly are mounted on the horizontal moving module (36); the conveying roller (37) is rotatably mounted on the conveying bracket (38) and is connected to the conveying motor (34) through the conveying belt (311); the positioning assembly comprises two symmetrical and spaced cylinders (35); the cylinder (35) is mounted on the horizontal moving module (36); the horizontal moving module (36) drives the conveying motor (34), the conveying bracket (38) and the cylinder (35) to move synchronously.

2. The finished silicon wafer packaging and grading storage device according to claim 1, characterized in that: The mobile platform (2) comprises an X-axis linear module (22) and a Y-axis linear module (21); the X-axis linear module (22) is arranged parallel to the material storage rack (1); the Y-axis linear module (21) is vertically mounted on the X-axis linear module (22); and the back plate (31) is mounted on the Y-axis linear module (21).

3. The finished silicon wafer packaging and grading storage device according to claim 1, characterized in that: The lifting unit (3) further comprises two guide guardrails (39); the two guide guardrails (39) are symmetrically distributed on both sides of the buffer rack (33) and are fixedly connected to the back plate (31); the guide guardrails (39) are spaced apart above the conveying bracket (38).

4. The finished silicon wafer packaging and grading storage device according to claim 1, characterized in that: The lifting unit (3) further comprises a plurality of support bars (32); the support bars (32) are distributed in the buffer rack (33) at intervals up and down and are fixedly connected to the buffer rack (33); and the area between two upper and lower adjacent support bars (32) constitutes a storage slot.

5. The finished silicon wafer packaging and grading storage device according to any one of claims 1 to 4, characterized in that: When the piston rod of the cylinder (35) is in a retracted state, the upper end surface of the piston rod is lower than the upper end surface of the conveyor belt (311); when the piston rod of the cylinder (35) is in an extended state, the upper end surface of the piston rod is higher than the upper end surface of the conveyor belt (311).

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