Solar cell silicon wafer removing mechanism
By adopting a cross-fitting removal mechanism in solar cell silicon wafer production equipment, the problems of large equipment space occupancy and high handling costs are solved, and efficient silicon wafer cutting and production efficiency are achieved.
Patent Information
- Application Number
- CN202421803531.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-29
AI Technical Summary
In the production process of solar cell silicon wafers, the existing technology has problems such as large equipment space occupancy and high handling costs, resulting in low production efficiency of enterprises.
The solar cell silicon wafer removal mechanism with a cross-fitting arrangement is adopted. Through the cross-configuration of the first conveying line and the second conveying line, combined with the design of the detection mechanism and the collection box, the efficient cutting and space saving of the unqualified silicon wafer is achieved.
It effectively reduces the overall volume of the equipment, shortens the length of the conveying line, improves the cutting efficiency of unqualified silicon wafers, and reduces production costs.
Smart Images
Figure CN222970394U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solar wafer production equipment, and particularly relates to a solar cell wafer rejection mechanism. Background Art
[0002] Solar cell wafers are the core components of solar cells. At present, when producing solar cell wafers, it is necessary to detect whether there are wafers with defects, breakages, non-conforming dimensions or unqualified performance. After the unqualified wafers are detected, the unqualified wafers are transported and discharged through different conveyor lines or manipulators. However, the methods of transporting and discharging through multiple conveyor lines or transporting and discharging through manipulators both have the problems of large equipment space occupancy rate and high transportation cost, which are not conducive to enterprise production. Summary of the Utility Model
[0003] To overcome the above-mentioned drawbacks, the purpose of the utility model is to provide a solar cell wafer rejection mechanism.
[0004] To achieve the above purpose, the technical solution adopted by the utility model includes:
[0005] A first conveyor line and a second conveyor line, the first conveyor line is arranged along a first direction, the second conveyor line is arranged along a second direction, and the first conveyor line is arranged on the second conveyor line;
[0006] A detection mechanism, arranged above the first conveyor line, for taking pictures and detecting the top surface of the wafer;
[0007] Wherein, the second conveyor line can move up or down relative to the first conveyor line to place the wafers detected as unqualified by the detection mechanism on the first conveyor line on the second conveyor line for transporting and discharging.
[0008] In this application, by arranging the first conveyor line and the second conveyor line in a cross-embedded manner, the space occupied by the first conveyor line and the second conveyor line can be effectively reduced, the overall volume of this application can be reduced, and at the same time, by shortening the lengths of the first conveyor line and the second conveyor line, the discharging efficiency of unqualified wafers can be increased.
[0009] In the preferred technical solution of the above solar cell wafer rejection mechanism, the second conveyor line has a second conveyor belt, the second conveyor belt is bent to form a sunken first lifting space, the first conveyor line is arranged in the first lifting space, and the second conveyor line is driven by a first jacking device to be placed above or below the first conveyor line.
[0010] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, the detection mechanism includes a detection bracket and a vision camera disposed on the detection bracket, and the vision camera is located directly above the first conveyor line.
[0011] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, a receiving box is further included, and the receiving box is located at the discharge port of the second conveyor line.
[0012] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, the receiving box is inclined downward on the side away from the second conveyor line so that the silicon wafers are automatically placed.
[0013] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, a front-end conveyor mechanism is further included, and the front-end conveyor mechanism is used to convey the silicon wafers along a first direction towards the first conveyor line.
[0014] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, the front-end conveyor mechanism includes a third conveyor line disposed along the first direction.
[0015] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, a storage mechanism is further included, and the storage mechanism is used to store the qualified silicon wafers conveyed by the first conveyor line.
[0016] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, the storage mechanism at least includes a fourth conveyor line disposed along the first direction and a basket disposed above the fourth conveyor line and capable of lifting relative to the fourth conveyor line; a retaining rod is disposed inside the basket along the height direction.
[0017] In the preferred technical solution of the above solar cell silicon wafer rejection mechanism, the basket is vertically driven by a linear module mounted on a rack.
[0018] The beneficial effect of the present utility model is that the first conveyor line and the second conveyor line are mutually engaged. When unqualified silicon wafers are detected, by controlling the second conveyor line to jack up the first conveyor line, the unqualified silicon wafers can be transferred from the first conveyor line to the second conveyor line, and then the unqualified silicon wafers can be discharged through the second conveyor line. Through this kind of setting, the space occupied by the first conveyor line and the second conveyor line can be effectively reduced, the overall volume of the present application can be reduced, and at the same time, by shortening the lengths of the first conveyor line and the second conveyor line, the discharging efficiency of the unqualified silicon wafers can be accelerated. Description of the Drawings
[0019] Figure 1 It is a front view when there are two sets of rejection mechanisms;
[0020] Figure 2Top view when there are two sets of rejection mechanisms;
[0021] Figure 3 Connection diagram of the first conveyor line, the second conveyor line, and the detection mechanism;
[0022] Figure 4 Connection diagram of the first conveyor line and the second conveyor line;
[0023] Figure 5 Front view of the first conveyor line and the second conveyor line;
[0024] Figure 6 Connection diagram of the third conveyor line and the feeding conveyor line;
[0025] Figure 7 Front view of the third conveyor line and the feeding conveyor line;
[0026] Figure 8 Schematic diagram of the storage mechanism;
[0027] In the figure: the first conveyor line 1, the second conveyor line 2, the second conveyor belt 21, the first lifting space 22, the detection mechanism 3, the detection bracket 31, the vision camera 32, the first lifting device 4, the receiving box 5, the third conveyor line 6, the feeding conveyor line 7, the feeding conveyor belt 71, the second lifting device 8, the storage mechanism 9, the fourth conveyor line 91, the basket 92, the blocking rod 93, the rack 94, the linear module 95. Detailed implementation manners
[0028] The preferred implementation manners of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these implementation manners are only used to explain the technical principle of the present invention and are not intended to limit the protection scope of the present invention.
[0029] It should be noted that in the description of the present invention, the terms indicating directions or positional relationships such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0030] In addition, it should also be noted that in the description of the present invention, unless otherwise clearly defined and limited, the terms "set", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0031] As Figures 1 to 8 shown, the silicon wafer rejection mechanism of the present utility model includes: a first conveyor line 1 and a second conveyor line 2. The first conveyor line 1 is arranged along a first direction, the second conveyor line 2 is arranged along a second direction, and the first conveyor line 1 is disposed on the second conveyor line 2; a detection mechanism 3, disposed above the first conveyor line 1, for photographically detecting the top surface of the silicon wafer; wherein, the second conveyor line 2 can move up or down relative to the first conveyor line 1 to place the silicon wafers detected as unqualified by the detection mechanism 3 on the first conveyor line 1 onto the second conveyor line 2 for conveying and discharging.
[0032] Refer to Figures 1 to 3 , the first direction is the direction in which the first conveyor line 1 conveys the silicon wafers, the second direction is perpendicular to the first direction, and the second direction is the direction in which the second conveyor line 2 conveys the unqualified silicon wafers for discharging.
[0033] Refer to Figures 1 to 3 , the detection mechanism 3 is disposed above the first conveyor line 1, and the detection mechanism 3 is relatively far from the second conveyor line 2 to facilitate photographically detecting the silicon wafers.
[0034] Refer to Figure 3 , Figure 4 , Figure 5 , the first conveyor line 1 and the second conveyor line 2 are cross - arranged, and the second conveyor line 2 can move up or down relative to the first conveyor line 1. When the second conveyor line 2 moves up relative to the first conveyor line 1 to a stationary position, the qualified silicon wafers conveyed on the first conveyor line 1 will be lifted by the second conveyor line 2. When the second conveyor line 2 moves down relative to the first conveyor line 1 to a stationary position, the qualified silicon wafers conveyed on the first conveyor line 1 will flow to the next station and will not be conveyed and discharged by the second conveyor line 2. By cross - arranging the first conveyor line 1 and the second conveyor line 2 in this application, the space occupied by the first conveyor line 1 and the second conveyor line 2 can be effectively reduced, the overall volume of this application can be reduced, and at the same time, by shortening the lengths of the first conveyor line 1 and the second conveyor line 2, the discharging efficiency of the unqualified silicon wafers can be increased.
[0035] In one or more embodiments, the second conveyor line 2 has a second conveyor belt 21, and the second conveyor belt 21 is bent to form a sunken first lifting space 22. The first conveyor line 1 is disposed in the first lifting space 22, and the second conveyor line 2 is driven by a first jacking device 4 to be placed above or below the first conveyor line 1.
[0036] Refer to Figures 2 to 5 , the first conveyor line 1 includes a frame, a first conveyor belt, pulleys and a servo motor. The servo motor controls the rotation of the pulleys, and then realizes the rotation of the first conveyor belt on the frame.
[0037] Refer to Figures 2 to 5, the second conveyor line 2 includes a frame, a second conveyor belt 21, pulleys and a servo motor. After the second conveyor belt 21 is sleeved on multiple pulleys, the second conveyor belt 21 presents a "concave" shape mechanism. That is, by restricting the positions of several pulleys, the second conveyor belt 21 can be bent to form a first lifting space 22. The first conveyor line 1 is located within the first lifting space 22. The second conveyor line 2 is driven by the first lifting device 4 to make the second conveyor belt 21 located on top of the first conveyor belt, so as to realize that the second conveyor line 2 receives and conveys the unqualified wafers conveyed by the first conveyor line 1. Or, the second conveyor line 2 is driven by the first lifting device 4 to make the second conveyor belt 21 located below the first conveyor belt, so that the qualified wafers conveyed by the first conveyor line 1 can be conveyed to the next station. It should be noted that the first lifting device 4 can be a driving cylinder.
[0038] In one or more embodiments, the detection mechanism 3 includes a detection bracket 31 and a vision camera 32 disposed on the detection bracket 31. The vision camera 32 is located directly above the first conveyor line 1. See Figure 3 , the vision camera 32 is used to take pictures and detect the wafers conveyed along the first direction on the first conveyor line 1. Multiple vision cameras 32 can be provided. The vision cameras 32 can be vertically aligned with the wafers conveyed by the first conveyor line 1 for taking pictures and detection, or can be tilted to take pictures and detect the wafers.
[0039] In one or more embodiments, a receiving box 5 is further included. The receiving box 5 is located at the discharge port of the second conveyor line 2; the receiving box 5 is inclined downward on the side away from the second conveyor line 2 to enable the wafers to be automatically arranged.
[0040] See Figure 3 , the receiving box 5 is arranged at the discharge port of the second conveyor line 2 along the second direction. Through this setting, the receiving box 5 can automatically collect the unqualified wafers. At the same time, the receiving box 5 is configured to be inclined, so that the wafers falling into the receiving box 5 can be automatically stacked and arranged, which is convenient for the staff to take out the waste materials.
[0041] In one or more embodiments, a front-end conveying mechanism is further included. The front-end conveying mechanism is used to convey the wafers along the first direction towards the first conveyor line 1; the front-end conveying mechanism includes a third conveyor line 6 arranged along the first direction.
[0042] See Figure 1 , Figure 2 , Figure 6 , Figure 7 , the front-end conveying mechanism further includes a feeding conveyor line 7 arranged along the second direction. The feeding conveyor line 7 is cross-arranged with the third conveyor line 6.
[0043] See Figure 6 , Figure 7, the third conveyor line 6 has a frame, a third conveyor belt, pulleys and a servo motor, and the servo motor can control the third conveyor belt to rotate on the frame through the pulleys.
[0044] The feeding conveyor line 7 has a frame, a feeding conveyor belt 71, pulleys and a servo motor. The feeding conveyor belt 71 is arranged on a number of pulleys. The structure of the feeding conveyor belt 71 is generally in a "concave" shape. The third conveyor line 6 is arranged in the concave space formed on the feeding conveyor line 7. The third conveyor line 6 is driven by the second lifting device 8, so that the third conveyor line 6 can be higher than or lower than the feeding conveyor line 7. It should be noted that the second lifting device 8 can be a driving cylinder.
[0045] When the silicon wafers conveyed by the feeding conveyor line 7 in the second direction are directly above the third conveyor line 6, control the feeding conveyor line 7 to stop working, and control the third conveyor line 6 to rise through the second lifting device 8, so that the third conveyor line 6 can receive the silicon wafers conveyed by the feeding conveyor line 7 and can convey the silicon wafers in the first direction towards the first conveyor line 1. In this application, by arranging the feeding conveyor line 7 and the third conveyor line 6 in a cross arrangement, the space occupied by the feeding conveyor line 7 and the third conveyor line 6 can be effectively reduced.
[0046] It should be noted that the function of the feeding conveyor line 7 is to convey the silicon wafers conveyed in the second direction towards the third conveyor line 6; when the silicon wafers are input onto the third conveyor line 6 from the first direction, the feeding conveyor line 7 can be omitted.
[0047] In one or more embodiments, a storage mechanism 9 is further included. The storage mechanism 9 is used to store the qualified silicon wafers conveyed by the first conveyor line 1; the storage mechanism 9 at least includes a fourth conveyor line 91 arranged in the first direction and a basket 92 arranged above the fourth conveyor line 91 and capable of lifting relative to the fourth conveyor line 91; a retaining rod 93 is arranged along the height direction inside the basket 92; the basket 92 is vertically driven by a linear module 95 installed on a rack 94.
[0048] See Figure 1 , Figure 2 , Figure 8 , the fourth conveyor line 91 is arranged in the first direction at the discharge opening of the first conveyor line 1, and the fourth conveyor line 91 can receive the qualified silicon wafers conveyed by the first conveyor line 1 in the first direction.
[0049] See Figure 8 , retaining rods 93 are symmetrically installed on the two side walls inside the basket 92. The retaining rods 93 are arranged in sequence in the height direction, and the retaining rods 93 at the same height can form a way to hold the silicon wafers.
[0050] In the initial state, the linear module 95 is used to control the downward movement of the basket 92, so that the stop bar 93 at the highest position in the basket 92 is relatively located below the fourth conveyor line 91. Thereafter, the qualified silicon wafers are conveyed into the basket 92 along the first direction by the fourth conveyor line 91, and the bottom of the silicon wafer is limited by the stop bar 93. After that, the linear module 95 is used to control the upward movement of the basket 92, so as to realize that the silicon wafers are stored in the basket 92. At the same time, the silicon wafers on the fourth conveyor line 91 can still be stored on the stop bars 93 at other heights in the basket 92, forming the storage of several qualified silicon wafers.
[0051] The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it. It cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims
1. A solar cell silicon wafer rejection mechanism, characterized in that: include: A first conveying line and a second conveying line, wherein the first conveying line is arranged along a first direction, the second conveying line is arranged along a second direction, and the first conveying line is arranged on the second conveying line; A detection mechanism, arranged above the first conveyor line, for taking photos and detecting the top surface of the silicon wafer; The second conveyor line can move up or down relative to the first conveyor line, so as to place the silicon wafers conveyed by the first conveyor line and detected as unqualified by the detection mechanism on the second conveyor line for unloading.
2. The solar cell silicon wafer rejection mechanism according to claim 1, characterized in that: The second conveyor line has a second conveyor belt, the second conveyor belt is bent to form a sunken first lifting space, the first conveyor line is arranged in the first lifting space, and the second conveyor line is driven by a first lifting device and placed above or below the first conveyor line.
3. The solar cell silicon wafer rejection mechanism according to claim 1, characterized in that: The detection mechanism includes a detection bracket and a visual camera arranged on the detection bracket, and the visual camera is located directly above the first conveying line.
4. The solar cell silicon wafer rejection mechanism according to claim 1, characterized in that: It also includes a material receiving box, which is located at the unloading port of the second conveying line.
5. The solar cell silicon wafer rejection mechanism according to claim 4, characterized in that: The receiving box is tilted downward on a side away from the second conveying line so that the silicon wafers can be automatically placed.
6. The solar cell silicon wafer rejection mechanism according to claim 1, characterized in that: It also includes a front-end conveying mechanism, which is used to convey the silicon wafer along a first direction toward the first conveying line.
7. The solar cell silicon wafer rejection mechanism according to claim 6, characterized in that: The front-end conveying mechanism includes a third conveying line arranged along the first direction.
8. The solar cell silicon wafer rejection mechanism according to claim 1, characterized in that: It also includes a storage mechanism, which is used to store qualified silicon wafers transported by the first conveying line.
9. The solar cell silicon wafer rejecting mechanism according to claim 8, characterized in that: The storage mechanism at least includes a fourth conveying line arranged along a first direction and a basket arranged above the fourth conveying line and capable of being raised and lowered relative to the fourth conveying line; a barrier rod is arranged on the inner side of the basket along the height direction.
10. The solar cell silicon wafer rejecting mechanism according to claim 9, characterized in that: The basket is driven vertically by a linear module mounted on the material rack.