CN108565314B - Automatic correction mechanism and automatic correction method for solar cell position - Google Patents
Automatic correction mechanism and automatic correction method for solar cell position Download PDFInfo
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- CN108565314B CN108565314B CN201810228549.4A CN201810228549A CN108565314B CN 108565314 B CN108565314 B CN 108565314B CN 201810228549 A CN201810228549 A CN 201810228549A CN 108565314 B CN108565314 B CN 108565314B
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- 238000012937 correction Methods 0.000 title claims abstract description 67
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- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 4
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- 238000004519 manufacturing process Methods 0.000 abstract description 7
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- 230000006872 improvement Effects 0.000 abstract 1
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- 238000007650 screen-printing Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses an automatic correction mechanism and an automatic correction method for a solar cell position, wherein the automatic correction mechanism comprises a transmission module, a first clamping piece device and a second clamping piece device, the transmission module comprises a base and a transmission belt, the first clamping piece device and the second clamping piece device are arranged on two sides of the transmission belt in a sliding mode, the automatic correction mechanism further comprises a motor and a connecting rod mechanism, the connecting rod mechanism is respectively connected with the motor, the first clamping piece device and the second clamping piece device, when the motor acts, the first clamping piece device and the second clamping piece device are driven to slide, so that when one of the first clamping piece device and the second clamping piece device is in contact with a solar cell to correct the position of the solar cell, a gap is reserved between the other part and the solar cell. The automatic correction mechanism only uses one motor, and can realize the effect of correcting the position of the solar cell by the clamping pieces on two sides of the double motors in the prior art through the connecting rod mechanism, and has the advantages of low cost, simple assembly process, production efficiency improvement and labor intensity reduction.
Description
Technical Field
The invention relates to the technical field of battery piece manufacturing, in particular to an automatic correction mechanism and an automatic correction method for a position of a solar battery piece.
Background
The existing solar cell production equipment, in particular screen printing section equipment, has unavoidable offset in the printing and conveying process of the solar cell, and the problems of poor printing, incapability of moving between stations and the like can be caused. At present, the position correction in the solar cell transfer mainly adopts the following modes: (1) The gas claws of the air cylinder are adopted to clamp the two opposite sides of the solar cell at the same time for position correction; (2) Simultaneously clamping two opposite sides of the solar cell through a mechanism driven by a motor to correct the position; (3) And the double motors are adopted, and the actions of the two motors are controlled to clamp the two opposite sides of the solar cell in sequence for position correction. The mode of adopting the cylinder gas claw and the clamping piece to correct the position of the solar cell slice has the problems that the service life of the cylinder and the speed of the clamping piece can not be controlled, the correction effect on the slice with high bending and warping degree after the sintering furnace is poor, the slice is fragile and the like; the mode of adopting a mechanism driven by a motor and simultaneously correcting the position of the solar cell by the clamping piece has the problems of complex assembly process, long working time, poor correction effect on the sheet with high bending and warping degree after the sintering furnace and the like; the mode of correcting the position of the solar cell by adopting the mechanism driven by the double motors and the sequential clamping pieces is the mechanism with the lowest fragment rate and the best effect at present, but because the position correction of the solar cell in the mode needs to use two motors and corresponding drivers, the problems of huge and bulky mechanism, complex assembly process, high cost and the like exist, and the solar screen printing device can not be comprehensively popularized in the solar screen printing section only when being used in special stations such as an efficiency tester after a sintering furnace and an online EL (electro-luminescence).
Disclosure of Invention
The invention aims to provide an improved automatic correction mechanism for the position of a solar cell slice, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a solar cell position automatic correction mechanism, includes transmission module, first clamping piece device and second clamping piece device, the transmission module includes the base and sets up be used for conveying solar cell's conveyer belt on the base, first clamping piece device with second clamping piece device is located respectively the relative both sides of conveyer belt, just first clamping piece device with second clamping piece device is all can be relative the base is along perpendicular to conveyer belt direction's direction slidable ground sets up, automatic correction mechanism still includes motor and link mechanism, link mechanism respectively with the motor first clamping piece device with second clamping piece device is connected, when motor action is passed through link mechanism drive first clamping piece device with second clamping piece device is relative the base slides for first clamping piece device with one of two parts of second clamping piece device is inconsistent with one side of solar cell's position correction to solar cell, first device and second clamping piece device have another side gap between two parts of solar cell.
Preferably, the motor comprises a motor shaft, the link mechanism comprises a first link, a second link and a third link, the first link is fixedly connected with the motor shaft, two ends of the second link are respectively connected with the first link and the first clamping piece device in a rotating mode, and two ends of the third link are respectively connected with the first link and the second clamping piece device in a rotating mode.
Further, the second connecting rod is rotatably connected with the first connecting rod through a first shaft, the third connecting rod is rotatably connected with the first connecting rod through a second shaft, and the first shaft and the second shaft are respectively positioned on two opposite sides of the motor shaft on the first connecting rod.
Still further, the distance between the first shaft and the motor shaft is equal to the distance between the second shaft and the motor shaft.
Preferably, the automatic correction mechanism further includes a limiting structure for limiting sliding of the first and second clip devices, the limiting structure includes a first limiting member and a second limiting member fixedly disposed on the base, the first limiting member is located in front of the first clip device or the second clip device when sliding in a direction close to the solar cell when correcting a position of the solar cell, and the second limiting member is located in front of the first clip device and the second clip device when sliding in a direction away from the solar cell.
Further, the link mechanism has a dead point position, and the first stopper is provided at a position before the link mechanism reaches the dead point position by sliding in a direction approaching the solar cell when the first clip device or the second clip device corrects the position of the solar cell.
Preferably, the automatic correction mechanism further includes a guide structure for guiding sliding of the first clip device and the second clip device, the guide structure includes a slide rail fixedly disposed on the base and extending in a direction perpendicular to a conveying direction of the conveyor belt, and a slider slidably disposed on the slide rail along a length extending direction of the slide rail, the slider is provided with two, and the first clip device and the second clip device are fixedly disposed on one of the sliders, respectively.
Preferably, the automatic correction mechanism further comprises a controller, a photoelectric sensor fixedly arranged on the base, and a photoelectric limiting piece fixedly arranged on the first clamping piece device or the second clamping piece device, wherein the photoelectric sensor and the photoelectric limiting piece are positioned on the same side of the conveyor belt, the photoelectric sensor is positioned on a movement path of the photoelectric limiting piece, and the photoelectric sensor, the photoelectric limiting piece and the motor are respectively and electrically connected with the controller.
Further, the automatic correction mechanism has an initial state, the photoelectric sensor has a sensing area, when the automatic correction mechanism is in the initial state, the photoelectric limiting piece covers the sensing area, and when the first clamping piece device or the second clamping piece device corrects the position of the solar cell piece, the photoelectric limiting piece is far away from the sensing area.
The invention also discloses a solar cell position automatic correction method, which adopts the automatic correction mechanism to correct, and the automatic correction method comprises the following steps:
(1) The automatic correction mechanism is in an initial state, and gaps are reserved between the first clamping piece device and the solar cell;
(2) The motor is started, a motor shaft of the motor rotates positively, the first clamping piece device is driven to slide in a direction close to the solar cell through the connecting rod mechanism, the second clamping piece device slides in a direction close to or far away from the solar cell, displacement generated by sliding of the second clamping piece device is smaller than that generated by sliding of the first clamping piece device, and when the first clamping piece device abuts against one side of the solar cell to correct the position of the solar cell, a gap is reserved between the second clamping piece device and the other side of the solar cell;
(3) The motor is started, and the motor shaft of the motor is reversed to enable the first clamping piece device and the second clamping piece device to return to the initial state;
(4) The motor is started, a motor shaft of the motor continuously rotates reversely, the second clamping piece device is driven to slide in the direction close to the solar cell through the connecting rod mechanism, the first clamping piece device slides in the direction close to or far away from the solar cell, displacement generated by sliding of the first clamping piece device is smaller than that generated by sliding of the second clamping piece device, and when the second clamping piece device abuts against the other side of the solar cell to correct the position of the solar cell, a gap is reserved between the first clamping piece device and one side of the solar cell;
(5) The motor is started, and the motor shaft of the motor rotates positively to enable the first clamping piece device and the second clamping piece device to return to the initial state.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the automatic correction mechanism for the position of the solar cell is simple in structure, can achieve the effect of correcting the position of the solar cell by using the clamping pieces on two sides of the double motors in the prior art through the connecting rod mechanism, is low in cost and simple in assembly process, can improve production efficiency and reduce labor intensity, and is suitable for being comprehensively popularized and used in screen printing sections of solar photovoltaic production equipment.
Drawings
FIG. 1 is a schematic diagram of a mechanism for automatically correcting the position of a solar cell according to the present invention;
FIG. 2 is a front view of the automatic correction mechanism for the position of the solar cell according to the present invention;
FIG. 3 is a top view of the automatic correction mechanism for the position of the solar cell according to the present invention;
FIG. 4 is a schematic illustration of the structure of the linkage mechanism of the present invention in a dead-center position;
FIG. 5 is a second schematic view of the linkage mechanism of the present invention in a dead-center position;
fig. 6 is a motion model diagram of the automatic correction mechanism for the position of the solar cell.
Wherein: 1. a base; 2. a first clip device; 21. a first base; 22. a first jaw; 3. a second clip device; 31. a second base; 32. a second jaw; 4. a motor; 41. a motor shaft; 5. a link mechanism; 51. a first link; 52. a second link; 53. a third link; 54. a first shaft; 55. a second shaft; 56. a third shaft; 57. a fourth shaft; 61. a slide rail; 62. a slide block; 71. a first limiting member; 72. a second limiting piece; 81. a photoelectric sensor; 82. and a photoelectric limit piece.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the automatic correction mechanism for a solar cell position according to the present invention includes a transmission module, a first clamping piece device 2, a second clamping piece device 3, a motor 4, and a link mechanism 5.
The conveying module comprises a base 1 and a conveying belt which is arranged on the base 1 and used for conveying solar cells, the first clamping piece device 2 and the second clamping piece device 3 are respectively positioned on two opposite sides of the conveying belt, and the first clamping piece device 2 and the second clamping piece device 3 can be arranged in a sliding mode along the direction perpendicular to the conveying direction of the conveying belt relative to the base 1. The first clip device 2 includes a first base 21 and a clamping jaw 22 fixedly provided on the first base 21. The second jaw device 3 includes a second base 31 and a second jaw 32 fixedly disposed on the second base 31. When the first clamping piece device 2 and the second clamping piece device 3 slide relative to the base 1 respectively to enable the first clamping jaw 22 or the second clamping jaw 32 to abut against the two side edges of the solar cell, the position of the solar cell on the conveying belt can be corrected.
The motor 4 is used for driving the first clamping piece device 2 and the second clamping piece device 3 to slide relative to the base 1, the connecting rod mechanism 5 is respectively connected with the motor 4, the first clamping piece device 2 and the second clamping piece device 3, when the motor 4 is enabled to act through the arrangement of the connecting rod mechanism 5, the first clamping piece device 2 and the second clamping piece device 3 are driven to slide relative to the base 1, the sliding directions of the first clamping piece device 2 and the second clamping piece device 3 can be the same or opposite, but the displacement generated when the first clamping piece device 2 and the second clamping piece device 3 slide relative to the base 1 is different, and therefore when one part of the first clamping piece device 2 and one part of the second clamping piece device 3 are in contact with one side of the solar cell piece to correct the position of the solar cell piece, a certain gap is reserved between the other part of the first clamping piece device 2 and the second clamping piece device 3 and the other side of the solar cell piece.
In the present embodiment, the link mechanism 5 includes a first link 51, a second link 52, and a third link 53. The motor 4 includes a motor shaft 41, and the first link 51 is fixedly connected with the motor shaft 41. One end of the second link 52 is rotatably connected to the first link 51 via a first shaft 54, and the other end of the second link 52 is rotatably connected to the first base 21 via a third shaft 56. One end of the third link 53 is rotatably connected to the first link 51 via the second shaft 55, and the other end of the third link 53 is rotatably connected to the second base 31 via the fourth shaft 57. The motor shaft 41, the first shaft 54, the second shaft 55, the third shaft 56 and the fourth shaft 57 are arranged in parallel, and on the first link 51, the first shaft 54 and the second shaft 55 are located on opposite sides of the motor shaft 41, respectively, preferably the first shaft 54 is located at the same distance from the motor shaft 41 as the second shaft 55 is located from the motor shaft 41.
When the motor 4 acts, the first connecting rod 51 rotates synchronously with the motor shaft 41, so that the second connecting rod 52 and the third connecting rod 53 are driven to swing relative to the first connecting rod 51, and the first clamping piece device 2 and the second clamping piece device 3 are driven to slide relative to the base 1 to clamp the solar cell in sequence, and in the process, the dead point position of the connecting rod mechanism 5 exists. In the present embodiment, when the link mechanism 5 is at the dead point position, the center line of the first shaft 54 and the third shaft 56 is perpendicular to the sliding direction of the first clip device 2 as shown in fig. 4, or the center line of the second shaft 55 and the fourth shaft 57 is perpendicular to the sliding direction of the second clip device 3 as shown in fig. 5.
When the first clamping piece device 2 and the second clamping piece device 3 are driven by the motor 4 to slide relative to the base 1 so as to successively clamp and correct the position of the solar cell, the position of the solar cell is adjusted before the link mechanism 5 reaches the dead point position, so that the link mechanism 5 can be prevented from moving to the dead point position to cause the automatic correction mechanism to be blocked.
The automatic correction mechanism further includes a guide structure for guiding the sliding of the first clip device 2 and the second clip device 3. The guide structure includes a slide rail 61 and a slider 62, the slide rail 61 is fixedly provided on the base 1, the slide rail 61 extends in a direction perpendicular to a conveying direction of the conveyor belt, the slider 62 is slidably provided on the slide rail 61 in a length extending direction of the slide rail 61, the slider 62 is provided with two, and the first base 21 and the second base 31 are fixedly provided on one slider 62, respectively.
The automatic correction mechanism further comprises a limiting structure for limiting sliding of the first clamping piece device 2 and the second clamping piece device 3, the limiting structure comprises a first limiting piece 71 and a second limiting piece 72, the first limiting piece 71 and the second limiting piece 72 are fixedly arranged on the base 1, the first limiting piece 71 is located in front of sliding in the direction close to the solar cell when the first clamping piece device 2 or the second clamping piece device 3 corrects the position of the solar cell, and the second limiting piece 72 is located in front of sliding in the direction far away from the solar cell when the first clamping piece device 2 or the second clamping piece device 3. In this embodiment, the first limiting member 71 is located between the two sliding blocks 62, and the first limiting member 71 can limit the sliding of the first clip device 2 or the second clip device 3 at the same time; two second limiting members 72 are provided, and the two second limiting members 72 are located outside the two sliding blocks 62, respectively. When the motor 4 fails, the sliding distance between the first clamping piece device 2 and the second clamping piece device 3 can be limited by the setting of the limiting structure.
The first stopper 71 is preferably provided at a position before the link mechanism 5 reaches the dead point position by sliding in a direction approaching the solar cell when the first clip device 2 or the second clip device 3 corrects the position of the solar cell, so that the link mechanism 5 is prevented from moving to the dead point position to lock the automatic correction mechanism by the provision of the first stopper 71 when the motor 4 fails during the operation of the link mechanism 5.
The automatic correction mechanism further includes bearings provided on the first shaft 54, the second shaft 55, the third shaft 56, and the fourth shaft 57, respectively, and friction at the connection portion can be reduced by the provision of the bearings.
The automatic correction mechanism further comprises a controller, a photoelectric sensor 81 fixedly arranged on the base 1 and a photoelectric limiting piece 82 fixedly arranged on the first clamping piece device 2 or the second clamping piece device 3, when the motor 4 is started, the photoelectric limiting piece 82 can slide on the base 1 along with the first clamping piece device 2 or the second clamping piece device 3, the photoelectric sensor 81 and the photoelectric limiting piece 82 are positioned on the same side of the conveyor belt, the photoelectric sensor 81 is positioned on the moving path of the photoelectric limiting piece 82, and the photoelectric sensor 81, the photoelectric limiting piece 82 and the motor 4 are respectively and electrically connected with the controller. In this embodiment, the photoelectric limiting piece 82 is fixedly disposed on the second clip device 3.
The working process of the automatic correction mechanism is as follows:
the solar cell is conveyed by the conveyor belt, the automatic correction mechanism is in an initial state at the moment, the distance between the first clamping jaw 22 and the second clamping jaw 32 and the conveyor belt is the same in the initial state, the second connecting rod 52 and the third connecting rod 53 are symmetrically arranged on two opposite sides of the motor shaft 41, the photoelectric sensor 81 is provided with an induction area, the photoelectric limiting piece 82 is positioned at the induction area of the photoelectric sensor 81, at the moment, the photoelectric limiting piece 82 can just cover the induction area of the photoelectric sensor 81, and the state is a state of waiting for the solar cell to flow into the station;
when the solar cell is conveyed to the station, the conveying belt stops conveying, the controller controls the motor 4 to start, the motor shaft 41 rotates clockwise, the first clamping piece device 2 is driven to slide towards the direction close to the solar cell by the connecting rod mechanism 5 until the first clamping jaw 22 abuts against one side of the solar cell so as to correct the position of the solar cell, in the process, the second clamping piece device 3 slides towards the direction far away from the solar cell to drive the photoelectric limiting piece 82 to slide synchronously, the photoelectric limiting piece 82 is far away from the solar cell and the sensing area of the photoelectric sensor 81, the displacement generated by the sliding of the second clamping piece 3 and the photoelectric limiting piece 82 is smaller than the displacement generated by the sliding of the first clamping piece 2, in the implementation, the displacement generated by the sliding of the second clamping piece device 3 is about one fourth of the displacement generated by the sliding of the first clamping piece device 2, and when the first clamping jaw 22 abuts against one side of the solar cell, a certain gap is reserved between the second clamping piece 3 and the other side of the solar cell, and the first clamping piece is the first process;
when the position of the solar cell is corrected by the first clamping piece device 2, the motor 4 starts to enable the motor shaft 41 to rotate anticlockwise, the first clamping piece device 2 slides in a direction away from the solar cell through the connecting rod mechanism 5, and the second clamping piece device 3 slides in a direction close to the solar cell until the automatic correction mechanism is in an initial state;
the motor shaft 41 continues to rotate anticlockwise, the second clamping piece device 3 is driven to slide towards the direction close to the solar cell piece through the connecting rod mechanism 5, the photoelectric limiting piece 82 is driven to slide synchronously, the photoelectric limiting piece 82 is gradually close to the solar cell piece and far away from the sensing area of the photoelectric sensor 81 until the second clamping jaw 32 abuts against the other side of the solar cell piece so as to correct the position of the solar cell piece, in the process, the first clamping piece device 2 slides towards the direction far away from the solar cell piece, but the displacement generated by the sliding of the first clamping piece device 2 is smaller than the displacement generated by the sliding of the second clamping piece device 3, in the implementation, the displacement generated by the sliding of the first clamping piece device 2 is about one fourth of the displacement generated by the sliding of the second clamping piece device 3, and when the second clamping jaw 32 abuts against the other side of the solar cell piece, a certain gap is formed between the first clamping piece device 2 and one side of the solar cell piece, and the second clamping piece is the second clamping piece process;
when the position of the solar cell is corrected by the second clamping piece device 3, the motor 4 is started to enable the motor shaft 41 to rotate clockwise, the first clamping piece device 2 slides to a position close to the solar cell through the connecting rod mechanism 5, and the second clamping piece device 3 slides to a position far from the solar cell until the automatic correction mechanism is in an initial state.
The total time of the process of correcting the position of the solar cell is about 450ms, and the current station stopping time is 650ms, so that the time for correcting the position of the solar cell is abundant, and when the station requirement is needed, the single-side third-time clamping piece can be used for correcting the position of the solar cell, and then the automatic correction mechanism is reset.
When the position of the solar cell is corrected by the first clamping piece device 2 and the second clamping piece device 3, the displacement generated by sliding the first clamping piece device 2 or the second clamping piece device 3 relative to the base 1 can be obtained through the following calculation:
the motion model of the automatic correction mechanism in the process of correcting the position of the solar cell is shown in fig. 6:
fig. 6 a shows the distance between the axis of the motor shaft 41 and the slide rail 61; when the position of the solar cell is corrected by the first clip device 2, B represents the distance between the axis of the first shaft 54 and the axis of the third shaft 56, and C represents the distance between the axis of the first shaft 54 and the axis of the motor shaft 41; when the position of the solar cell is corrected by the second clip device 3, B represents the distance between the axis of the second shaft 55 and the axis of the fourth shaft 57, and C represents the distance between the axis of the second shaft 55 and the axis of the motor shaft 41; α represents the angle of rotation of the first link 51, which can be obtained by testing the rotation of the motor 4, by the above-mentioned:
；
，/>；
when the first clamping piece device 2 or the second clamping piece device 3 corrects the position of the solar cell, the displacement S generated by sliding the first clamping piece device 2 or the second clamping piece device 3 relative to the base 1 is calculated as follows:
。
thus, when the size of the link mechanism 5 is determined, the displacement of the first clamping piece device 2 or the second clamping piece device 3 when correcting the position of the solar cell can be precisely controlled by controlling the rotation speed and time of the motor 4, so that the problems that the displacement of the first clamping piece device 2 or the second clamping piece device 3 is too small to well correct the position of the solar cell or the displacement of the first clamping piece device 2 or the second clamping piece device 3 is too large, so that the solar cell is stressed greatly and fragments appear can be avoided.
In summary, the automatic correction mechanism for the position of the solar cell realizes the correction effect of the clamping pieces on two sides of the double motors in a single motor control mode; the cost is low, and compared with the prior art, the cost of the mechanism for controlling the double-sided clamping pieces by a single motor is reduced by about 35%; the assembly process is simple, and the working hour is relatively shortened by about 50%; meanwhile, the chip rate can be reduced, the production efficiency is improved, and the labor intensity is reduced. The mechanism is suitable for being comprehensively popularized and used in screen printing sections of solar photovoltaic production equipment.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a solar wafer position automatic correction mechanism, includes transmission module, first clamping piece device and second clamping piece device, the transmission module includes the base and sets up be used for conveying the conveyer belt of solar wafer on the base, first clamping piece device with second clamping piece device is located respectively the relative both sides of conveyer belt, just first clamping piece device with second clamping piece device all can be relative the base is along perpendicular to conveyer belt direction of delivery's direction sets up slidingly, its characterized in that: the automatic correction mechanism further comprises a motor and a connecting rod mechanism, wherein the connecting rod mechanism is respectively connected with the motor, the first clamping piece device and the second clamping piece device, when the motor acts, the connecting rod mechanism drives the first clamping piece device and the second clamping piece device to slide relative to the base, so that one end part of the second connecting rod is in rotary connection with the first connecting rod through a first shaft, the other end part of the second connecting rod is in rotary connection with the first device when one side of the solar cell piece is in conflict with the position of the solar cell piece, a gap is reserved between the other part of the first clamping piece device and the second clamping piece device and the other side of the solar cell piece, the motor comprises a motor shaft, the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, the first connecting rod is in fixed connection with the motor shaft, the other end part of the second connecting rod is in rotary connection with the first device through a second shaft, and the other end part of the second connecting rod is in rotary connection with the second shaft through a second shaft, and the other end part of the second connecting rod is in rotary connection with the second clamping piece through the first shaft and the second connecting rod.
2. The automatic correction mechanism for a solar cell position according to claim 1, wherein: the distance between the first shaft and the motor shaft is equal to the distance between the second shaft and the motor shaft.
3. The automatic correction mechanism for a solar cell position according to claim 1, wherein: the automatic correction mechanism further comprises a limiting structure for limiting the sliding of the first clamping piece device and the second clamping piece device, the limiting structure comprises a first limiting piece and a second limiting piece which are fixedly arranged on the base, the first limiting piece is located in front of the first clamping piece device and the second clamping piece device when sliding in the direction close to the solar cell piece when correcting the position of the solar cell piece, and the second limiting piece is located in front of the first clamping piece device and the second clamping piece device when sliding in the direction far away from the solar cell piece.
4. The automatic correction mechanism for solar cell position according to claim 3, wherein: the first limiting piece is arranged at a position before the connecting rod mechanism reaches the dead point position by sliding in a direction close to the solar cell when the first clamping piece device or the second clamping piece device corrects the position of the solar cell.
5. The automatic correction mechanism for a solar cell position according to claim 1, wherein: the automatic correction mechanism further comprises a guide structure for guiding the sliding of the first clamping piece device and the second clamping piece device, the guide structure comprises a sliding rail fixedly arranged on the base and extending along the direction perpendicular to the conveying direction of the conveying belt, and a sliding block slidably arranged on the sliding rail along the length extending direction of the sliding rail, the sliding block is provided with two sliding blocks, and the first clamping piece device and the second clamping piece device are respectively fixedly arranged on one sliding block.
6. The automatic correction mechanism for a solar cell position according to claim 1, wherein: the automatic correction mechanism further comprises a controller, a photoelectric sensor fixedly arranged on the base and a photoelectric limiting piece fixedly arranged on the first clamping piece device or the second clamping piece device, wherein the photoelectric sensor and the photoelectric limiting piece are positioned on the same side of the conveyor belt, the photoelectric sensor is positioned on a movement path of the photoelectric limiting piece, and the photoelectric sensor, the photoelectric limiting piece and the motor are respectively and electrically connected with the controller.
7. The automatic correction mechanism for solar cell position according to claim 6, wherein: the automatic correction mechanism is provided with an initial state, the photoelectric sensor is provided with a sensing area, when the automatic correction mechanism is in the initial state, the photoelectric limiting piece covers the sensing area, and when the first clamping piece device or the second clamping piece device corrects the position of the solar cell piece, the photoelectric limiting piece is far away from the sensing area.
8. The automatic correction method for the position of the solar cell is characterized by comprising the following steps of: correction using the automatic correction mechanism according to any one of claims 1 to 7, the automatic correction method being:
(1) The automatic correction mechanism is in an initial state, and gaps are reserved between the first clamping piece device and the solar cell;
(2) The motor is started, a motor shaft of the motor rotates positively, the first clamping piece device is driven to slide towards a direction close to the solar cell through the connecting rod mechanism, the second clamping piece device slides towards a direction far away from the solar cell, displacement generated by sliding of the second clamping piece device is smaller than that generated by sliding of the first clamping piece device, and when the first clamping piece device abuts against one side of the solar cell to correct the position of the solar cell, a gap is reserved between the second clamping piece device and the other side of the solar cell;
(3) The motor is started, and the motor shaft of the motor is reversed to enable the first clamping piece device and the second clamping piece device to return to the initial state;
(4) The motor is started, a motor shaft of the motor continuously rotates reversely, the second clamping piece device is driven to slide towards the direction close to the solar cell through the connecting rod mechanism, the first clamping piece device slides towards the direction far away from the solar cell, displacement generated by sliding of the first clamping piece device is smaller than that generated by sliding of the second clamping piece device, and when the second clamping piece device abuts against the other side of the solar cell to correct the position of the solar cell, a gap is reserved between the first clamping piece device and one side of the solar cell;
(5) The motor is started, and the motor shaft of the motor rotates positively to enable the first clamping piece device and the second clamping piece device to return to the initial state.
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