CN210272302U - Solar cell string transfer mechanism - Google Patents
Solar cell string transfer mechanism Download PDFInfo
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- CN210272302U CN210272302U CN201921737076.7U CN201921737076U CN210272302U CN 210272302 U CN210272302 U CN 210272302U CN 201921737076 U CN201921737076 U CN 201921737076U CN 210272302 U CN210272302 U CN 210272302U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a solar cell cluster shifts mechanism, including snatching the subassembly, snatch the subassembly including snatching the frame and installing at the sucking disc that snatchs the frame lower part, install down the air cylinder on snatching the frame, be connected with the elasticity strip bottom the expansion end of air cylinder down. According to the solar cell string transfer mechanism, the grabbing component descends to place the cell string on the support plate, the sucker removes vacuum to loosen the cell string, before the grabbing component ascends, the movable end of the lower pressing cylinder extends downwards to be pressed onto the top surface of the cell string, the elastic strip is compressed, then the grabbing component ascends, the force applied to the cell string downwards by the sucker is gradually removed, and the sucker is separated from the cell string; along with the reduction of compression volume, the elastic strip resumes former thickness gradually, and under the elastic cushioning effect of elastic strip, the clamp has the air of compressed slowly to release between battery piece and the support plate, can effectively avoid this compressed air rapid expansion to cause the problem of battery cluster position error.
Description
Technical Field
The utility model belongs to solar cell production field, concretely relates to solar cell cluster shifts mechanism.
Background
In the production process of solar cells, cell strings need to be transferred among a plurality of processes for a plurality of times, the transfer of the cell strings is usually grabbed and placed by adopting a vacuum sucker component, each cell is airtight, when the cell strings are placed downwards, air at the bottoms of the cells is compressed and then clamped between the cells and a glass support plate, the vacuum sucker component is vacuumized and moved upwards, the force exerted downwards on the cells by the vacuum sucker component is gradually removed, the compressed air between the cells and the glass support plate is rapidly expanded to cause the cell strings to move, the position precision of the cell strings is inaccurate, after the cell strings are grabbed and placed for a plurality of times, the position precision of the cell strings can be ensured by adding a correction mechanism and a correction process, the production cost is increased, and the production efficiency is reduced. And the problem of inaccurate position precision of the solar cell string leads to increase of the false soldering and failure rate of automatic equipment such as a subsequent end welding machine and the like, reduces the product quality, restricts the productivity improvement and hinders the industry development.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of prior art existence above, the utility model provides a solar cell cluster shifts mechanism.
The utility model adopts the technical proposal that: the solar cell string transfer mechanism comprises a grabbing component, wherein the grabbing component comprises a grabbing frame and a sucker arranged at the lower part of the grabbing frame, a pressing cylinder is arranged on the grabbing frame, and the bottom of the movable end of the pressing cylinder is connected with an elastic strip;
the grabbing component is used for grabbing the solar cell string by pumping air through the sucker, moving the solar cell string to the support plate, grabbing the component to descend and placing the solar cell string on the support plate, deflating and loosening the sucker and the solar cell string, downwards extending and pressurizing the movable end of the pressing cylinder to the top surface of the solar cell string, compressing the elastic strip, and enabling the grabbing component to ascend to enable the sucker to be separated from the solar cell string in sequence.
As an improvement to the above scheme, the elastic strip is made of foamed silica gel sponge, the thickness of the elastic strip is set to be 3.6-4.0 mm, and the compression amount of the elastic strip is 1.8-3.2 mm.
As the improvement to the above scheme, the lower air cylinder is detachably mounted on the grabbing frame through a mounting plate, and the mounting height of the mounting plate is adjustable.
As an improvement to the above scheme, the grabbing component is connected with a guide rail through a sliding block, the guide rail horizontally extends along a preset direction, and the grabbing component can horizontally slide along the guide rail; the grabbing component is connected with the vertical displacement component, and the vertical displacement component is used for driving the grabbing component to descend or ascend.
As an improvement to the above scheme, the grabbing assemblies are provided with two groups, namely a first grabbing assembly and a second grabbing assembly, and the first grabbing assembly and the second grabbing assembly are arranged on a substrate side by side; the first grabbing assembly is used for grabbing a first battery string half piece, and the second grabbing assembly is used for grabbing a second battery string half piece; the first grabbing component can linearly move and rotate along the X-axis direction and the Y-axis direction relative to the second grabbing component so that the first battery string half piece and the second battery string half piece can be accurately aligned and spliced into a whole battery string.
As an improvement to the above scheme, a cam shaft is connected between the first grabbing component and the second grabbing component, two cams are mounted at two ends of the cam shaft, rims of the two cams abut against the base plate, and the cam shaft rotates to drive the two cams to rotate, so that the first grabbing component and the second grabbing component descend or ascend.
As an improvement to the above scheme, a UVW platform is connected to a lower portion of the substrate, and the UVW platform is used for driving the first grabbing component and the second grabbing component to move and rotate along an X-axis direction and a Y-axis direction, so as to complete correction of the whole-chip battery string.
As an improvement to the above scheme, the solar cell string transfer mechanism includes a position acquisition module, configured to acquire an actual position image of the first cell string half/second cell string half or full-sheet cell string, so as to calculate a correction amount according to an actual position and a theoretical position of the first cell string half/second cell string half or full-sheet cell string, and transmit the correction amount to the first grasping module or the UVW platform.
Has the advantages that: the utility model provides a solar cell cluster transfer mechanism, snatch the subassembly and descend and place the solar cell cluster on the support plate, the sucking disc removes the vacuum and loosens the solar cell cluster, before the subassembly that snatchs rises, push down the cylinder expansion end and stretch out downwards and pressurize to the solar cell cluster top surface on, the elasticity strip contacts with the battery cluster top surface, the elasticity strip is compressed, and the subassembly that snatchs afterwards rises, and the power that the sucking disc exerted downwards on the battery cluster is gradually removed, and the sucking disc separates with the battery cluster; along with the reduction of compression volume, the elastic strip resumes former thickness gradually, under the elastic cushioning effect of elastic strip, presss from both sides the air that has compressed between battery piece and the support plate and slowly releases, can effectively avoid compressed air rapid expansion to cause the problem of battery cluster position error.
Drawings
Fig. 1 is a schematic structural diagram of a solar cell string transfer mechanism in an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural diagram of a battery string transfer mechanism in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a UVW platform according to an embodiment of the present application.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "inner", "outer", "top", "bottom", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
The utility model provides a solar cell cluster shifts mechanism, please refer to fig. 1 and 2, fig. 1 shows the embodiment of the utility model provides an in the structure of solar cell cluster shifts mechanism, fig. 2 shows the A portion of solar cell cluster shifts mechanism enlargies the structure in fig. 1, solar cell cluster shifts mechanism is including snatching subassembly 10, it includes snatching frame 101 and installs the sucking disc 102 in snatching frame 101 lower part to snatch subassembly 10 install down air cylinder 103 on snatching frame 101 the expansion end bottom of pushing down air cylinder 103 is connected with elasticity strip 1030.
It is understood that the suction cup 102 is a vacuum suction cup, and the suction cup 102 is connected to a negative pressure providing device, which may be a vacuum pump. A plurality of suction cups 102 are installed at the lower portion of the grasping frame 101 to firmly grasp the solar cell string 100. Preferably, the plurality of suction cups 102 are arranged in an array so that the solar cell string 100 is uniformly stressed.
The solar cell string 100 is a flat-plate-shaped battery pack formed by laying at least one cell, and when the cell string 100 includes a plurality of cells, the plurality of cells are connected in series, and the cell string 100 is generally rectangular and has a linear edge line.
In this embodiment, two of the pressing cylinders 103 are provided, and the two pressing cylinders 103 are respectively provided on the front side and the rear side of the grasping frame 101 to pressurize the battery string 100 from the front and rear sides. It is understood that in other embodiments, more than three of the hold-down cylinders 103 may be provided, and are uniformly distributed on the front and rear sides of the grabbing frame. It is preferable that the push-down cylinders 103 be provided in an even number.
When the solar cell string transfer mechanism in this embodiment is applied, the grabbing component 10 sucks air through the suction cup 102 to grab the solar cell string 100, the grabbing component 10 drives the solar cell string 100 to move to a support plate, the grabbing component 10 descends to place the solar cell string 100 on the support plate, and at this time, air at the bottom of the solar cell string 100 is compressed and then is sandwiched between the solar cell and the support plate.
The sucking disc 102 deflates and loosens the solar cell string 100, the movable end of the downward pressing cylinder 103 extends downwards and pressurizes the top surface of the solar cell string 100, the elastic strip 1030 is compressed, the bottom of the elastic strip 1030 is in contact with the top surface of the solar cell string 100, the elastic strip 1030 presses down the battery string 100 elastically, and the battery string 100 cannot be displaced.
The grabbing component 10 ascends to drive the sucker 102 to be separated from the solar cell string 100, and the cell string 100 cannot shift under the elastic pressing action of the elastic strip 1030. As the grasping assembly 10 ascends, the amount of compression of the elastic strip 1030 is gradually reduced, and the elastic strip 1030 is gradually restored to its original thickness. In the process that the compression amount of the elastic strip 1030 is gradually reduced and the original thickness is recovered, compressed air between the battery piece and the carrier plate is slowly released under the elastic buffer action of the elastic strip 1030, so that the problem that the compressed air between the battery piece and the carrier plate is rapidly expanded to cause the position error of the battery string 100 is effectively solved.
Preferably, the carrier plate is a glass plate.
Furthermore, the elastic strip 1030 is made of foamed silica gel sponge, and long-term and repeated tests and verifications of the utility model show that when the thickness of the elastic strip 1030 is less than 3.6mm, the compression amount is less than 1.8mm, the elastic buffer effect of the pressing cylinder 103 on the battery string 100 is small, and the phenomenon that the battery string 100 shifts due to the rapid expansion of compressed air between a battery piece and a support plate still exists; when the thickness of the elastic strip 1030 is higher than 4.0mm, the compression amount is higher than 2.4mm, the time required for the elastic strip 1030 to recover the original thickness is long, and the battery string placement efficiency is low.
It is understood that the thickness of the elastic strip 1030 refers to the height of the elastic strip 1030.
In this embodiment, the thickness of the elastic strip 1030 is set to be 3.6mm to 4.0mm, and is preferably set to be 3.8 mm; the compression amount of the elastic strip 1030 is set to be 1.8-3.2 mm, preferably 1.8-2.4 mm, and the arrangement of the thickness and the compression amount of the elastic strip 1030 can ensure that compressed air between the battery piece and the carrier plate is slowly released, so that the position precision of the battery string 100 placed on the carrier plate is improved.
It is understood that the elastic strip 1030 may be made of other elastic materials.
Further, the down-pressure cylinder 103 is detachably mounted on the grabbing frame 101 through a mounting plate 1031, and the mounting height of the mounting plate 1031 is adjustable. The height of the pressing cylinder 103 can be adjusted by adjusting the installation height of the installation plate 1031, so that the distance between the elastic strip 1030 and the solar cell string 100 can be adjusted, and the compression amount of the elastic strip 1030 can be adjusted to keep the compression amount within a predetermined range under the condition that the extension length of the movable end of the pressing cylinder 103 is not changed.
Further, the grabbing component 10 is connected with a guide rail through a sliding block, the guide rail horizontally extends along a preset direction, and the grabbing component 10 can horizontally slide along the guide rail so as to be suitable for grabbing and placing battery strings at different positions. The grabbing component 10 is connected with a vertical displacement component, and the vertical displacement component is used for driving the grabbing component 10 to descend or ascend.
Referring to fig. 3, fig. 3 shows a structure of the solar cell string transferring mechanism in an embodiment of the present invention, in the embodiment, two groups of grabbing components are provided, which are a first grabbing component 11 and a second grabbing component 12, respectively, and the first grabbing component 11 and the second grabbing component 12 are installed side by side on a substrate 13. The first grabbing component 11 is used for grabbing the first battery string half piece 200, and the second grabbing component 12 is used for grabbing the second battery string half piece 300. The first grabbing component 11 can move and rotate linearly along the X-axis direction and the Y-axis direction relative to the second grabbing component 12, so that the first battery string half-piece 200 and the second battery string half-piece 300 are aligned accurately and spliced into a whole battery string.
Different from the solar cell string transfer mechanism, the solar cell string transfer mechanism provided by the embodiment is also applicable to grabbing and placing of the cell string half pieces, and before placing the cell string half pieces, the position correction of the two cell string half pieces 200 and 300 is performed, so that the relative positions of the two cell string half pieces 200 and 300 meet the splicing requirement of the whole cell string, and the position precision of the cell string is further improved.
In this embodiment, the first grasping assembly 11 and the second grasping assembly 12 have the same structure as the grasping assembly 10, and each of the first grasping assembly and the second grasping assembly includes two of the down-pressure cylinders 103, and the two down-pressure cylinders 103 are respectively disposed on the front side and the rear side of the grasping frame to pressurize the battery strings 200 and 300 from the front side and the rear side.
Further, the first grabbing component 11 further comprises a rotating part, an X-axis moving part and a Y-axis moving part, the rotating part can drive the grabbing frame of the first grabbing component 11 to rotate, the X-axis moving part can drive the grabbing frame of the first grabbing component 11 to move along the X-axis direction, the Y-axis moving part can drive the grabbing frame of the first grabbing component 11 to move along the Y-axis direction, and the X-axis moving part and the Y-axis moving part can be driven by a linear motor, an air cylinder, an electric cylinder, a hydraulic cylinder and the like.
In this embodiment, the second grasping assembly 12 is fixed in position, and the first grasping assembly 11 and the first battery string half-piece 200 grasped by the first grasping assembly move relative to the second grasping assembly 12 and the second battery string half-piece 300 grasped by the second grasping assembly, so that the first battery string half-piece 200 and the second battery string half-piece 300 are accurately aligned. It is understood that in other embodiments, the second grasping assembly 12 also includes a rotating member, an X-axis moving member and a Y-axis moving member, and the second grasping assembly 12 can move simultaneously with the first grasping assembly 11 to perform the position correction between the two battery string halves 200, 300.
Further, a UVW platform 15 is connected to a lower portion of the substrate 13, and the UVW platform 15 is configured to synchronously drive the first grabbing component 11 and the second grabbing component 12 to move and rotate along an X-axis direction and a Y-axis direction, so as to complete position correction of the whole battery string formed by splicing the two battery string halves 200 and 300.
In summary, the solar cell string transfer mechanism provided by the embodiment can further perform position correction on the whole-piece cell string formed by splicing two half cell strings after completing the position correction of the two half cell strings, can greatly improve the position accuracy of the cell string before placement, and can slowly release compressed air between the cell and the support plate when the cell string is placed by combining the elastic buffering effect of the elastic strip, thereby effectively avoiding the problem that the compressed air between the cell and the support plate rapidly expands to cause cell string position errors, reducing the false welding and failure rate of automatic equipment such as a subsequent end welding machine and the like, and improving the product quality.
Further, the rotating member includes a rotary driving member and a rotating portion, the rotary driving member can drive the rotating portion to rotate around the center thereof, wherein the rotary driving member is a rotary cylinder, a motor, and the like.
The X-axis moving member is mounted on the rotating portion, when the rotating portion rotates around the center of the rotating portion, the X-axis moving member rotates along with the rotating portion, the Y-axis moving member is mounted on the X-axis moving member, when the X-axis moving member moves in the X-axis direction, the Y-axis moving member moves in the X-axis direction along with the X-axis moving member, and the grabbing frame of the first grabbing assembly 11 is mounted on the Y-axis moving member.
The X-axis moving member and the Y-axis moving member can drive the grabbing frame and the sucker of the first grabbing assembly 11 and the first battery string half-piece 200 grabbed by the grabbing frame and the sucker of the first grabbing assembly 11 to move for a preset distance along the X-axis direction and the Y-axis direction, and the rotating member can drive the grabbing frame and the sucker of the first grabbing assembly 11 and the first battery string half-piece 200 grabbed by the grabbing frame and the sucker of the first grabbing assembly 11 to rotate for a preset angle according to a preset direction, so that accurate alignment is realized between the first battery string half-piece 200 and the second battery string half-piece 300, and the relative positions of the two battery string half- pieces 200 and 300 meet the splicing requirement of a whole battery string.
Further, a cam shaft 14 is connected between the first grabbing component 11 and the second grabbing component 12, two cams are mounted at two ends of the cam shaft 14, rims of the two cams abut against the base plate 13, the cam shaft 14 rotates to drive the two cams to rotate, the base plate 13 drives the first grabbing component 11 and the second grabbing component 12 to descend or ascend, and therefore the first grabbing component 11 and the second grabbing component 12 can grab and place the battery strings conveniently.
Referring to fig. 4, fig. 4 shows a structure of the UVW platform 15, where the UVW platform 15 includes an X-axis calibration module 151 and a Y-axis calibration module 152, and the X-axis calibration module 151 and the Y-axis calibration module 152 are mounted on a base plate 153.
Furthermore, the X-axis calibration module 151 includes an X-axis driving assembly 1510, an X-axis translation assembly 1511 and a first rotation assembly 1512, wherein the X-axis translation assembly 1511 is connected to the X-axis driving assembly 1510 and is driven by the X-axis driving assembly 1510 to move along the X-axis direction, the first rotation assembly 1512 is rotatably connected to the X-axis translation assembly 1511, and the substrate 13 is connected to the first rotation assembly 1512.
The Y-axis calibration module 152 includes a Y-axis driving assembly 1520, a Y-axis translating assembly 1521 and a second rotating assembly 1522, wherein the Y-axis translating assembly 1521 is connected to the Y-axis driving assembly 1520 and driven by the Y-axis driving assembly 1520 to move along the Y-axis direction, the second rotating assembly 1522 is rotatably connected to the Y-axis translating assembly 1521, and the substrate 15 is connected to the second rotating assembly 1522.
Further, the X-axis driving assembly 1510 and the Y-axis driving assembly 1520 may be a linear motor, an air cylinder, an electric cylinder, a hydraulic cylinder, or the like.
In this embodiment, the X-axis correction module 151 is provided in one set, and the Y-axis correction module 152 is provided in two sets, and the two sets of Y-axis correction modules 152 are provided on both sides of the X-axis correction module 151. The set of X-axis calibration module 151 and the set of Y-axis calibration module 152 are respectively used for driving the two sets of grabbing components 11 and 12 to move and rotate along the X-axis direction and the Y-axis direction.
Specifically, the group of X-axis calibration modules 151 is disposed in the X-axis direction of the bottom plate 153 to drive and constrain the two groups of grabbing components 11 and 12 to move linearly in the X-axis direction, and the X-axis alignment module 151 provides the two groups of grabbing components 11 and 12 with freedom in the Y-axis direction; the first rotating assembly 1512 does not have the capability of moving the two sets of grabbing assemblies 11, 12 linearly, but provides the two sets of grabbing assemblies 11, 12 with the degrees of freedom in the X-axis direction and the Y-axis direction, so that the two sets of grabbing assemblies 11, 12 can rotate clockwise or counterclockwise with their geometric centers as the base points.
The two sets of Y-axis alignment modules 152 are disposed on the Y-axis of the bottom plate 153 to drive and constrain the two sets of grabbing components 11 and 12 to move linearly in the Y-axis direction, and the two sets of Y-axis alignment modules 152 provide the two sets of grabbing components 11 and 12 with freedom in the X-axis direction; the second rotating component 1522 does not have the capability of driving the two sets of grabbing components 11 and 12 to move linearly, but provides the two sets of grabbing components 11 and 12 with the degrees of freedom in the X-axis direction and the Y-axis direction, so that the two sets of grabbing components 11 and 12 have the capability of rotating clockwise or counterclockwise with their geometric centers as the base points.
Furthermore, a rotation calibration module 154 is further installed on the bottom plate 153, two sets of grabbing components 11, 12 are correspondingly connected to a plurality of rotation calibration modules 154, the rotation calibration module 154 has the same structure as the first rotating component 1512 and the second rotating component 1522, and it does not have the capability of driving two sets of grabbing components 11, 12 to move linearly, but the rotation calibration module 24 provides the two sets of grabbing components 11, 12 with the degrees of freedom in the X-axis direction and the Y-axis direction, so that the two sets of grabbing components 11, 12 have the capability of rotating clockwise or counterclockwise with their geometric centers as the base points.
Further, the bottom plate 153 is connected to the guide rail 20 through a sliding block, and can slide along the guide rail 20 to drive the grasping assemblies 11 and 12 to move along a predetermined direction, so that the grasping assemblies 11 and 12 can grasp battery strings at different positions and place the battery strings at different positions of the carrier plate.
Further, in this embodiment, the solar cell string transferring mechanism further includes a plurality of position acquiring assemblies (not shown in the figure), and preferably, the position acquiring assemblies are disposed above the first grabbing assembly 11 and the second grabbing assembly 12 at regular intervals, and are configured to acquire an actual position image of the first cell string half piece 200/the second cell string half piece 300 or the whole cell string, so as to calculate a correction amount according to an actual position and a theoretical position of the first cell string half piece 200/the second cell string half piece 300 or the whole cell string, and transmit the correction amount to the first grabbing assembly 11 or the UVW platform 15.
Specifically, the position obtaining component obtains an actual position image of the first battery string half piece 200/the second battery string half piece 300, calculates a correction amount according to the actual position and a theoretical position, and transmits the correction amount to the first grabbing component 11, and the first grabbing component 11 drives the first battery string half piece 200 to move for a predetermined distance and rotate for a predetermined angle along the X-axis direction and the Y-axis direction relative to the second battery string half piece 300 according to the received correction amount, so that the first battery string half piece 200 and the second battery string half piece 300 are accurately aligned, and the requirement for splicing the whole battery string is met.
After the splicing and alignment of the first battery string half piece 200 and the second battery string half piece 300 are completed, the position acquisition component acquires an actual position image of the whole battery string spliced by the first battery string half piece 200 and the second battery string half piece 300, a correction amount is calculated according to the actual position and a theoretical position and is transmitted to the UVW platform 15, and the UVW platform 15 drives the whole battery string to move for a preset distance and rotate for a preset angle along the X-axis direction and the Y-axis direction according to the received correction amount to complete the position correction of the whole battery string.
Further, the correction amount between the actual position and the theoretical position may be defined as a distance deviation and an angle deviation between the edge line and the reference line of the first cell string half piece 200/the second cell string half piece 300 and the spliced whole-piece cell string. The reference lines refer to characteristic lines or identification lines for clearly distinguishing edge lines, such as side lines of a frame, division lines on a bottom plate, and the like, and the reference lines may include a first reference line parallel to an X-axis direction and a second reference line parallel to a Y-axis direction, and it can be understood that the first reference line and the second reference line are perpendicular to each other and are used for providing a distance deviation reference for two perpendicularly intersecting edge lines of the first battery string half piece 200/the second battery string half piece 300 and the whole battery string after splicing thereof, and in addition, the reference lines are fixedly arranged to provide a fixed distance deviation and an angle deviation.
Furthermore, the position acquiring assembly comprises an image acquiring device and a comparison module, the image acquiring device is used for acquiring the image information of the edge line and the reference line of the first battery string half piece 200/the second battery string half piece 300 and the spliced whole-piece battery string thereof, and the comparison module is used for comparing the edge line and the reference line of the first battery string half piece 200/the second battery string half piece 300 and the spliced whole-piece battery string thereof and acquiring the distance deviation and the angle deviation between the edge line and the reference line.
The image acquisition device comprises a lens and an image sensor, and the image sensor can be a CCD sensor or a CMOS sensor. In other embodiments, the image capturing device may also be a digital camera.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A solar cell string transfer mechanism is characterized by comprising a grabbing component, wherein the grabbing component comprises a grabbing frame and a sucker arranged at the lower part of the grabbing frame, a pressing cylinder is arranged on the grabbing frame, and the bottom of the movable end of the pressing cylinder is connected with an elastic strip;
the grabbing component is used for grabbing the solar cell string by pumping air through the sucker, moving the solar cell string to the support plate, grabbing the component to descend and placing the solar cell string on the support plate, deflating and loosening the sucker and the solar cell string, downwards extending and pressurizing the movable end of the pressing cylinder to the top surface of the solar cell string, compressing the elastic strip, and enabling the grabbing component to ascend to enable the sucker to be separated from the solar cell string in sequence.
2. The solar cell string transfer mechanism according to claim 1, wherein the elastic strip is made of foamed silicone sponge, the thickness of the elastic strip is set to be 3.6mm to 4.0mm, and the compression amount of the elastic strip is 1.8mm to 3.2 mm.
3. The solar cell string transfer mechanism of claim 1, wherein the hold-down cylinder is removably mounted to the gripper frame by a mounting plate, the mounting plate being adjustable in mounting height.
4. The solar cell string transfer mechanism according to claim 1, wherein the grasping assembly is connected to a guide rail by a slider, the guide rail extends horizontally in a predetermined direction, and the grasping assembly can slide horizontally along the guide rail; the grabbing component is connected with the vertical displacement component, and the vertical displacement component is used for driving the grabbing component to descend or ascend.
5. The solar cell string transfer mechanism according to claim 1, wherein the grabbing components are provided in two groups, namely a first grabbing component and a second grabbing component, and the first grabbing component and the second grabbing component are mounted side by side on a substrate; the first grabbing assembly is used for grabbing a first battery string half piece, and the second grabbing assembly is used for grabbing a second battery string half piece; the first grabbing component can linearly move and rotate along the X-axis direction and the Y-axis direction relative to the second grabbing component so that the first battery string half piece and the second battery string half piece can be accurately aligned and spliced into a whole battery string.
6. The solar cell string transfer mechanism according to claim 5, wherein a cam shaft is connected between the first grabbing component and the second grabbing component, two cams are mounted at two ends of the cam shaft, rims of the two cams abut against the substrate, and the cam shaft rotates to drive the two cams to rotate, so that the first grabbing component and the second grabbing component descend or ascend.
7. The solar cell string transferring mechanism according to claim 5, wherein a UVW platform is connected to a lower portion of the substrate, and the UVW platform is used for driving the first grabbing component and the second grabbing component to move and rotate along an X-axis direction and a Y-axis direction so as to complete the correction of the whole-piece cell string.
8. The solar cell string transferring mechanism according to claim 7, comprising a position acquiring module for acquiring an actual position image of the first cell string half/second cell string half or full sheet cell string, so as to calculate a correction amount according to the actual position and the theoretical position of the first cell string half/second cell string half or full sheet cell string, and transmit the correction amount to the first grasping module or the UVW platform.
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| CN201921737076.7U CN210272302U (en) | 2019-10-16 | 2019-10-16 | Solar cell string transfer mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110600420A (en) * | 2019-10-16 | 2019-12-20 | 苏州德睿联自动化科技有限公司 | Solar cell string transfer mechanism and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600420A (en) * | 2019-10-16 | 2019-12-20 | 苏州德睿联自动化科技有限公司 | Solar cell string transfer mechanism and method |
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