CN220075867U - Vacuum adsorption equipment and screen printing device - Google Patents
Vacuum adsorption equipment and screen printing device Download PDFInfo
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- CN220075867U CN220075867U CN202321167502.4U CN202321167502U CN220075867U CN 220075867 U CN220075867 U CN 220075867U CN 202321167502 U CN202321167502 U CN 202321167502U CN 220075867 U CN220075867 U CN 220075867U
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Abstract
The utility model relates to the technical field of solar cell manufacturing equipment, in particular to vacuum adsorption equipment and a screen printing device, wherein the vacuum adsorption equipment is used for carrying out adsorption and release operation on a solar cell and comprises the following components: the adsorption platform is at least divided into a plurality of independent areas which can be independently adsorbed and can be controlled in a combined way to enlarge the adsorption area so as to adapt to the area of the solar cell, and the independent areas at least comprise a middle area and symmetrical edge areas which are arranged around the middle area; the middle area is provided with a middle adsorption hole, a middle airflow channel and a middle air outlet; the edge area is provided with an edge adsorption hole group, an edge airflow channel group and an edge air outlet group; and each independent area is communicated with one vacuumizing mechanism. The screen printing device comprising the vacuum adsorption equipment has high production efficiency and operation utilization rate, and can be compatible with printing of full-size batteries.
Description
Technical Field
The utility model relates to the technical field of solar cell manufacturing equipment, in particular to vacuum adsorption equipment and a screen printing device comprising the same.
Background
The solar cell manufacturing process involves a screen printing process, and the solar cell needs to be adsorbed on an adsorption platform of vacuum adsorption equipment in the screen printing process so as to be positioned. The existing vacuum adsorption equipment has a single adsorption platform and can only be used for adsorbing solar cells with one size.
Depending on the application, there are a number of different solar cell sizes within the industry, commonly used include G12 (210 mm size), M10 (182 mm size), and M6 (166 mm size), among others. Because of the process requirement, when solar cells with different sizes are adsorbed by the same screen printing device, the solar cells which are not matched with the adsorption platform are positioned inaccurately due to the adsorption force problem, so that various problems are caused in grid line printing. The existing solution is that only the vacuum adsorption equipment can be stopped, so that adsorption platforms with different sizes can be replaced (2-4 hours are usually required for one-time replacement of horizontal debugging), and the production efficiency and the operation utilization rate of the screen printing device are affected due to the consumed labor hour.
Therefore, in order to ensure smoothness of screen printing process in facing different-sized solar cell replacement and utilization rate of equipment, improvement of vacuum adsorption mode is required.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects of low production efficiency and low operation utilization rate of the screen printing device in the prior art, and provide the vacuum adsorption equipment and the screen printing device.
The utility model provides a vacuum adsorption device for carrying out adsorption and release operation on a solar cell, comprising: the adsorption platform is at least divided into a plurality of independent areas which can be independently adsorbed and can be controlled in a combined way to enlarge the adsorption area so as to adapt to the area of the solar cell, and the independent areas at least comprise a middle area and symmetrical edge areas which are arranged around the middle area; the middle area is provided with a middle adsorption hole, a middle air flow channel and a middle air outlet, the middle adsorption hole is positioned on the upper surface layer of the adsorption platform, the middle air outlet is positioned on the lower surface layer of the adsorption platform, the middle air flow channel is positioned in the adsorption platform, and the middle air flow channel is connected with the middle adsorption hole and the middle air outlet; the edge region is provided with an edge adsorption hole group, an edge airflow channel group and an edge air outlet group, wherein the edge adsorption hole group is positioned on the upper surface layer of the adsorption platform, the edge air outlet group is positioned on the lower surface layer of the adsorption platform, the edge airflow channel group is positioned in the adsorption platform, and the edge airflow channel group is connected with the edge adsorption hole group and the edge air outlet group; and each independent area is communicated with one vacuumizing mechanism.
Optionally, the edge area includes a first edge area group to an mth edge area group, any mth edge area group includes a 2M-1 th sub-edge area and a 2M sub-edge area, and the 2M-1 th sub-edge area and the 2M sub-edge area are respectively located at two sides of the middle area; m is an integer greater than or equal to 2, M is an integer greater than or equal to 1 and less than or equal to M; the edge adsorption hole group comprises a first edge adsorption hole group to an Mth edge adsorption hole group, any Mth edge adsorption hole group comprises a 2M-1 sub-edge adsorption hole and a 2M sub-edge adsorption hole, and any Mth edge adsorption hole group extends from the Mth edge group of the first surface to an adsorption platform with partial thickness; the edge airflow channel group comprises first to Mth edge airflow channels; any m-th edge airflow channel is communicated with the 2m-1 th sub-edge adsorption hole and the 2 m-th sub-edge adsorption hole; the edge air outlet group comprises a first edge air outlet to an Mth edge air outlet, and any Mth edge air outlet extends from the second surface to an adsorption platform with partial thickness and is communicated with an Mth edge air flow channel.
Optionally, the 2m-1 th sub-edge region and the 2 m-th sub-edge region are centrosymmetric with respect to the middle region.
Optionally, the boundary area concave-convex of the side of the 2m ' -1 th sub-edge area facing the middle area is matched to form a 2m ' -1 st airtight part, the boundary area concave-convex of the side of the 2m ' -2 nd sub-edge area facing the middle area is matched to form a 2m ' -2 nd airtight part, and m ' is at least a partial value of m; the 2m '-1 st airtight part is also provided with a plurality of 2m' -1 st sub-edge adsorption holes, and the 2m '-1 st airtight part is also provided with a plurality of 2m' th sub-edge adsorption holes.
Optionally, a line connecting the center of the 2m '-1 st airtight part and the center of the 2m' -1 st airtight part passes through the center of the intermediate region.
Optionally, the vacuum degree of the edge adsorption hole group is suitable to be larger than the vacuum degree of the middle adsorption hole.
Optionally, the optional mth edge airflow channel includes an mth group of first sub-edge airflow channels, an mth group of second sub-edge airflow channels, and an mth group of third sub-edge airflow channels, the mth group of first sub-edge airflow channels are communicated with the 2m-1 th sub-edge adsorption holes, the mth group of second sub-edge airflow channels are communicated with the 2 m-th sub-edge adsorption holes, and the mth group of third sub-edge airflow channels are communicated with the bottom ends of the mth group of first sub-edge airflow channels, which deviate from the 2m-1 th sub-edge adsorption holes, and the mth group of second sub-edge airflow channels, which deviate from the 2 m-th sub-edge adsorption holes.
Optionally, the number of the middle adsorption holes is a plurality, and the plurality of middle adsorption holes are uniformly distributed in the middle area; the interval between any adjacent middle adsorption holes is 0.1mm-2mm; the diameter of any intermediate adsorption hole is 10 μm to 200 μm.
Optionally, the number of the 2m-1 th sub-edge adsorption holes is a plurality of, and the 2m-1 th sub-edge adsorption holes are uniformly distributed in the 2m-1 th sub-edge area; the number of the 2 m-th sub-edge adsorption holes is a plurality of, and the 2 m-th sub-edge adsorption holes are uniformly distributed in the 2 m-th sub-edge area.
Optionally, the spacing between any adjacent 2m-1 th sub-edge adsorption holes is 0.1mm-2mm; the spacing between the adsorption holes at the edges of any adjacent 2 m-th sub-is 0.1mm-2mm.
Alternatively, the diameter of any 2m-1 th sub-edge adsorption hole is 10 μm to 200 μm, and the diameter of any 2 m-th sub-edge adsorption hole is 10 μm to 200 μm.
Optionally, the method further comprises: the middle air outlet and the edge air outlet group are communicated with the vacuumizing mechanism through connecting pipes; the connecting pipes comprise a middle connecting pipe and an edge connecting pipe group; one end of the middle connecting pipe is communicated with the middle air outlet, and the other end of the middle connecting pipe is suitable for being connected with a vacuumizing mechanism; the edge connecting pipe group comprises a first edge connecting pipe and an mth edge connecting pipe, one end of the mth edge connecting pipe is communicated with the mth edge air outlet, and the other end of the mth edge connecting pipe is suitable for being connected with the vacuumizing mechanism.
Optionally, the method further comprises: the mounting holes are arranged at the edge of the adsorption platform and penetrate through the adsorption platform, and the distance from the mounting holes to the center of the middle area is larger than the distance from the middle adsorption holes to the center of the middle area.
Optionally, the number of the mounting holes is a plurality of, and the plurality of mounting holes are uniformly distributed on the edge of the adsorption platform.
The present utility model also provides a screen printing apparatus comprising: the vacuum adsorption device comprises screen printing equipment and the vacuum adsorption equipment, wherein the adsorption platform is used for bearing the solar cell so as to facilitate adsorption and release operation.
The technical scheme of the utility model has the following advantages:
the vacuum adsorption equipment provided by the utility model is characterized in that the adsorption platform is at least divided into a plurality of independent areas which can be independently adsorbed and can be controlled in a combined way to enlarge the adsorption area so as to adapt to the area of the solar cell, and the independent areas at least comprise a middle area and symmetrical edge areas which are arranged around the middle area; the middle area is provided with a middle adsorption hole, a middle air flow channel and a middle air outlet, the middle adsorption hole is positioned on the upper surface layer of the adsorption platform, the middle air outlet is positioned on the lower surface layer of the adsorption platform, the middle air flow channel is positioned in the adsorption platform, and the middle air flow channel is connected with the middle adsorption hole and the middle air outlet; the edge region is provided with an edge adsorption hole group, an edge airflow channel group and an edge air outlet group, wherein the edge adsorption hole group is positioned on the upper surface layer of the adsorption platform, the edge air outlet group is positioned on the lower surface layer of the adsorption platform, the edge airflow channel group is positioned in the adsorption platform, and the edge airflow channel group is connected with the edge adsorption hole group and the edge air outlet group; and each independent area is communicated with one vacuumizing mechanism. When the solar battery to be adsorbed is smaller in size, the vacuumizing mechanism only needs to vacuumize the middle air outlet so that the middle area adsorbs the solar battery, when the solar battery with larger size is required to be adsorbed, the vacuumizing mechanism needs to vacuumize the middle air outlet and the edge air outlet group of the edge area of the solar battery to adsorb the solar battery, so that the adsorption platform can adsorb the solar batteries with different sizes at any time, and in the process of adsorbing the solar batteries with different sizes, the vacuum adsorption equipment is not required to be stopped, batch production operation can be met, and therefore, the production efficiency and the operation utilization rate of the vacuum adsorption equipment are high.
The screen printing device comprising the vacuum adsorption equipment can be compatible with the printing of full-size batteries, can be smoothly switched between solar batteries with different sizes, and improves the operation utilization rate; and the adsorption force to the solar cell is better, so that the solar cell can be effectively prevented from shifting.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of an adsorption platform according to an embodiment of the present utility model;
FIG. 2 is a side view of an adsorption platform according to one embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of a second surface of an adsorption platform according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a first edge gas flow channel in an adsorption platform according to an embodiment of the utility model.
Reference numerals illustrate:
100-an adsorption platform;
1-an intermediate region; 2-a first sub-edge zone; 3-a second sub-edge region; 4-a third sub-edge region; 5-a fourth sub-edge zone;
10-middle adsorption holes; 11-a first sub-edge adsorption hole; 21-a second sub-edge adsorption hole; 31-a third sub-edge adsorption port; 41-fourth sub-edge adsorption holes;
c1-an intermediate gas flow channel;
c2_first edge gas flow channels; c21-a first set of first sub-edge gas flow paths; c22-a first set of second sub-edge gas flow paths; c23-a first set of third sub-edge gas flow paths;
c3_second edge gas flow channels;
l1-an intermediate connecting pipe; l2-a first edge connection tube; l3-a second edge connection tube;
m1-an intermediate air outlet; m2-a first edge gas outlet; m3-a second edge air outlet;
t1-a first airtight part; t2-a second airtight portion;
6-mounting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1:
the present embodiment provides a vacuum adsorption apparatus for performing an adsorption and release operation on a solar cell, including:
the adsorption platform is at least divided into a plurality of independent areas which can be independently adsorbed and can be controlled in a combined way to enlarge the adsorption area so as to adapt to the area of the solar cell, and the independent areas at least comprise a middle area and symmetrical edge areas which are arranged around the middle area;
the middle area is provided with a middle adsorption hole, a middle air flow channel and a middle air outlet, the middle adsorption hole is positioned on the upper surface layer of the adsorption platform, the middle air outlet is positioned on the lower surface layer of the adsorption platform, the middle air flow channel is positioned in the adsorption platform, and the middle air flow channel is connected with the middle adsorption hole and the middle air outlet;
the edge region is provided with an edge adsorption hole group, an edge airflow channel group and an edge air outlet group, wherein the edge adsorption hole group is positioned on the upper surface layer of the adsorption platform, the edge air outlet group is positioned on the lower surface layer of the adsorption platform, the edge airflow channel group is positioned in the adsorption platform, and the edge airflow channel group is connected with the edge adsorption hole group and the edge air outlet group;
and each independent area is communicated with one vacuumizing mechanism.
According to the vacuum adsorption device provided by the embodiment, when the size of a solar cell to be adsorbed is small, for example, the size of the solar cell is M6 (166 mm), the vacuum pumping mechanism only needs to pump vacuum through the middle air outlet so that the solar cell is adsorbed in the middle area, and when the solar cell with a large size is required to be adsorbed, for example, the size of the solar cell is M10 (182 mm) or the size of the solar cell is G12 (210 mm), the vacuum pumping mechanism needs to pump vacuum through the middle air outlet and at least part of the edge air outlet groups of the edge area of the solar cell so as to adsorb the solar cell, so that the adsorption platform can be used for adsorbing solar cells with different sizes at any time, and the vacuum adsorption device is not required to stop in the process of adsorbing the solar cells with different sizes, so that batch production operation can be satisfied.
The edge area comprises a first edge area group to an Mth edge area group, any Mth edge area group comprises a 2M-1 sub-edge area and a 2M sub-edge area, and the 2M-1 sub-edge area and the 2M sub-edge area are respectively positioned at two sides of the middle area; m is an integer greater than or equal to 2, M is an integer greater than or equal to 1 and less than or equal to M; the edge adsorption hole group comprises a first edge adsorption hole group to an Mth edge adsorption hole group, any Mth edge adsorption hole group comprises a 2M-1 sub-edge adsorption hole and a 2M sub-edge adsorption hole, and any Mth edge adsorption hole group extends from the Mth edge group of the first surface to an adsorption platform with partial thickness; the edge airflow channel group comprises first to Mth edge airflow channels; any m-th edge airflow channel is communicated with the 2m-1 th sub-edge adsorption hole and the 2 m-th sub-edge adsorption hole; the edge air outlet group comprises a first edge air outlet to an Mth edge air outlet, and any Mth edge air outlet extends from the second surface to an adsorption platform with partial thickness and is communicated with an Mth edge air flow channel.
The 2m-1 th sub-edge zone and the 2 m-th sub-edge zone are centrally symmetric about the middle zone.
In one embodiment, the boundary region of the 2m ' -1 st sub-edge region towards one side of the middle region is in concave-convex fit to form a 2m ' -1 st airtight part, the boundary region of the 2m ' -1 st sub-edge region towards one side of the middle region is in concave-convex fit to form a 2m ' -th airtight part, and m ' is at least a partial value of m; the 2m '-1 st airtight part is also provided with a plurality of 2m' -1 st sub-edge adsorption holes, and the 2m '-1 st airtight part is also provided with a plurality of 2m' th sub-edge adsorption holes. The airtight part is favorable for the adsorption of solar cells with different sizes, and unnecessary fragments are avoided. The middle area is not provided with a middle adsorption hole relative to the concave airtight part, so that the independent adsorption of the small-size solar cell is facilitated, and edge fragments are not caused; when the middle area and the edge areas on the two opposite sides absorb the solar cells with a slightly larger size together, the absorption force of the solar cells with the slightly larger size is relatively increased, and the absorption effect is better than that of the middle part.
The line connecting the center of the 2m '-1 st airtight part and the center of the 2m' -1 st airtight part passes through the center of the middle area, thereby facilitating the equilibrium adsorption.
In one embodiment, the vacuum level of the set of edge suction holes is adapted to be greater than the vacuum level of the intermediate suction holes. Therefore, when the thicker solar cell is adsorbed, the adsorption strength of the solar cell can be enhanced by the 2m ' -1 th sub-edge adsorption hole of the 2m ' -1 st airtight part and the 2m ' -2m ' th sub-edge adsorption hole of the 2m ' -1 st airtight part, the solar cell is prevented from being deviated, and the adsorption force of the solar cell is better. In one embodiment, any of the mth edge gas flow channels includes an mth group of first sub-edge gas flow channels, an mth group of second sub-edge gas flow channels, and an mth group of third sub-edge gas flow channels, the mth group of first sub-edge gas flow channels being in communication with the 2m-1 th sub-edge adsorption holes, the mth group of second sub-edge gas flow channels being in communication with the 2 m-th sub-edge adsorption holes, the mth group of third sub-edge gas flow channels communicating a bottom end of the mth group of first sub-edge gas flow channels facing away from the 2m-1 th sub-edge adsorption holes with a bottom end of the mth group of second sub-edge gas flow channels facing away from the 2 m-th sub-edge adsorption holes.
In one embodiment, the number of the middle adsorption holes is a plurality, and the plurality of middle adsorption holes are uniformly distributed in the middle area. Thus being beneficial to uniformly adsorbing the solar cell.
In one embodiment, the spacing between any adjacent intermediate suction holes is 0.1mm to 2mm, for example 1mm; if the interval between the middle adsorption holes is smaller than 0.1mm, the process difficulty of manufacturing the middle adsorption holes is increased, and if the interval between the middle adsorption holes is larger than 2mm, the number of the middle adsorption holes in the middle area is too small, and the adsorption effect of the adsorption platform is improved to a small extent.
In one embodiment, the diameter of the intermediate adsorption hole is 10 μm to 200 μm, for example 100 μm.
In one embodiment, the number of the 2m-1 th sub-edge adsorption holes is a plurality of, and the plurality of the 2m-1 th sub-edge adsorption holes are uniformly distributed in the 2m-1 th sub-edge area; the number of the 2 m-th sub-edge adsorption holes is a plurality of, and the 2 m-th sub-edge adsorption holes are uniformly distributed in the 2 m-th sub-edge area. Thus being beneficial to uniformly adsorbing the solar cell.
In one embodiment, the spacing between any adjacent 2m-1 th sub-edge adsorption holes is 0.1mm-2mm, e.g., 1mm; if the spacing between the adsorption holes of any adjacent 2m-1 th sub-edge is smaller than 0.1mm, the process difficulty of manufacturing the adsorption holes of the 2m-1 th sub-edge is increased, and if the spacing between the adsorption holes of any adjacent 2m-1 th sub-edge is larger than 2mm, the number of the adsorption holes of the 2m-1 th sub-edge in the 2m-1 th sub-edge area is too small, so that the adsorption effect of the adsorption platform is not obviously improved.
In one embodiment, the diameter of any 2m-1 th sub-edge adsorption hole is 10 μm to 200 μm, for example 100 μm.
In one embodiment, the spacing between any adjacent 2m < th > sub-edge adsorption holes is 0.1mm-2mm, e.g., 1mm; if the spacing between the adsorption holes of any adjacent 2 m-th sub-edge is smaller than 0.1mm, the process difficulty of manufacturing the adsorption holes of the 2 m-th sub-edge is increased, and if the spacing between the adsorption holes of any adjacent 2 m-th sub-edge is larger than 2mm, the number of the adsorption holes of the 2 m-th sub-edge in the 2 m-th sub-edge area is too small, so that the adsorption effect of the adsorption platform is improved to a small extent.
In one embodiment, the diameter of any 2m < th > sub-edge adsorption hole is 10 μm to 200 μm, for example 100 μm.
In this embodiment, taking M equal to two as an example, refer to fig. 1 and fig. 2 in combination. The adsorption platform 100 comprises a middle area 1 and symmetrical edge areas arranged around the middle area 1, wherein the edge areas comprise a first edge area group and a second edge area group, the first edge area group comprises a first sub-edge area 2 and a second sub-edge area 3, and the first sub-edge area 2 and the second sub-edge area 3 are respectively positioned at two sides of the middle area 1; the second edge area group comprises a third sub-edge area 4 and a fourth sub-edge area 5, and the third sub-edge area 4 and the fourth sub-edge area 5 are respectively positioned at two sides of the middle area 1; the edge adsorption hole group comprises a first edge adsorption hole group and a second edge adsorption hole group, and the first edge adsorption hole group comprises a first sub-edge adsorption hole 11 and a second sub-edge adsorption hole 21; the second edge suction hole group includes a third sub-edge suction hole 31 and a fourth sub-edge suction hole 41; the edge adsorption hole group extends from the first surface of the adsorption platform to the adsorption platform with partial thickness, and the first edge adsorption hole group and the second edge adsorption hole group are respectively arranged at the positions of the first edge group and the second edge group; a middle air flow channel C1 and an edge air flow channel group are positioned inside the adsorption platform, and the middle air flow channel C1 is communicated with the middle adsorption hole 10; the air edge flow channel group comprises a first edge flow channel C2 to a second edge flow channel C3; the first edge air flow channel C2 communicates with the first sub-edge adsorption hole 11 and the second sub-edge adsorption hole 21; the second edge air flow channel C3 is communicated with the third sub-edge adsorption hole 31 and the fourth sub-edge adsorption hole 41, the middle air outlet M1 extends from the second face into the adsorption platform with partial thickness and is communicated with the middle air flow channel C1, the edge air outlet group comprises a first edge air outlet M2 to a second edge air outlet M3, the first edge air outlet M2 extends from the second face into the adsorption platform with partial thickness and is communicated with the first edge air flow channel C2, and the second edge air outlet M3 extends from the second face into the adsorption platform with partial thickness and is communicated with the second edge air flow channel C3.
In one embodiment, the first sub-edge area 2 and the second sub-edge area 3 are centrally symmetric about the middle area; the third sub-edge area 4 and the fourth sub-edge area 5 are centrally symmetrical with respect to the middle area.
In one embodiment, the boundary area of the first sub-edge area 2 facing the side of the middle area 1 is in concave-convex fit to form a first airtight part T1, and the boundary area of the second sub-edge area 3 facing the side of the middle area 1 is in concave-convex fit to form a second airtight part T2; the first airtight portion T1 further has a first sub-edge adsorption hole therein, and the second airtight portion T2 further has a second sub-edge adsorption hole therein.
In one embodiment, the line connecting the center of the first airtight portion T1 and the center of the second airtight portion T2 passes through the center of the intermediate region.
In one embodiment, the vacuum level of the set of edge suction holes is adapted to be greater than the vacuum level of the intermediate suction holes. Therefore, when the thicker solar cell is adsorbed, the adsorption strength of the solar cell can be enhanced by the first sub-edge adsorption holes in the first airtight part and the second sub-edge adsorption holes in the second airtight part, the solar cell is prevented from being deviated, and the adsorption force of the solar cell is better.
In one embodiment, the middle set of suction holes has a vacuum of-65 pa to-40 pa and the edge set of suction holes has a vacuum of-90 pa to-65 pa.
In one embodiment, referring to fig. 4, the first edge gas flow channel C2 includes a first set of first sub-edge gas flow channels C21, a first set of second sub-edge gas flow channels C22, and a first set of third sub-edge gas flow channels C23, the first set of first sub-edge gas flow channels C21 in communication with the first sub-edge adsorption holes 11, the first set of second sub-edge gas flow channels C22 in communication with the second sub-edge adsorption holes 21, the first set of third sub-edge gas flow channels C23 in communication with the first set of first sub-edge gas flow channels C21 facing away from the bottom ends of the first sub-edge adsorption holes 11 and the first set of second sub-edge gas flow channels C22 facing away from the bottom ends of the second sub-edge adsorption holes 21; the second edge airflow channels include a second set of first sub-edge airflow channels (not shown), a second set of second sub-edge airflow channels (not shown), and a second set of third sub-edge airflow channels (not shown), the second set of first sub-edge airflow channels being in communication with the third edge adsorption apertures, the second set of second sub-edge airflow channels being in communication with the fourth edge adsorption apertures, the second set of third sub-edge airflow channels communicating a bottom end of the second set of first sub-edge airflow channels facing away from the fourth edge adsorption apertures with a bottom end of the second set of second sub-edge airflow channels facing away from the fourth edge adsorption apertures.
In one embodiment, the number of the middle adsorption holes 10 is a plurality, and the plurality of middle adsorption holes 10 are uniformly distributed in the middle area.
In one embodiment, the number of the first sub-edge adsorption holes 11 is a plurality, and the plurality of first sub-edge adsorption holes 11 are uniformly distributed in the first sub-edge area; the number of the second sub-edge adsorption holes 21 is a plurality, and the plurality of the second sub-edge adsorption holes 21 are uniformly distributed in the second sub-edge area; the number of the third sub-edge adsorption holes 31 is a plurality, and the plurality of the third sub-edge adsorption holes 31 are uniformly distributed in the third sub-edge area; the number of the fourth sub-edge adsorption holes 41 is a plurality, and the fourth sub-edge adsorption holes 41 are uniformly distributed in the fourth sub-edge area. Thus being beneficial to uniformly adsorbing the solar cell.
In one embodiment, the spacing between any adjacent first sub-edge suction holes is 0.1mm-2mm, such as 0.8mm; the spacing between any adjacent second sub-edge adsorption holes is 0.1mm-2mm, for example 0.8mm; the spacing between any adjacent third sub-edge adsorption holes is 0.1mm-2mm, for example 0.8mm; the spacing between any adjacent fourth sub-edge adsorption holes is 0.1mm-2mm, e.g. 0.8mm.
In one embodiment, the diameter of any first sub-edge adsorption hole is 10 μm to 200 μm, for example 100 μm; any second sub-edge adsorption holes have a diameter of 10 μm to 200 μm, for example 100 μm; any third sub-edge adsorption holes have a diameter of 10 μm to 200 μm, for example 100 μm; the diameter of the optional fourth sub-edge adsorption hole is 10 μm to 200 μm, for example, 100 μm.
In one embodiment, the vacuum adsorption apparatus further comprises: the middle air outlet and the edge air outlet group are communicated with the vacuumizing mechanism through connecting pipes; referring to fig. 2 and 3 in combination, the connection pipe includes a middle connection pipe L1 and an edge connection pipe group; one end of the middle connecting pipe L1 is communicated with the middle air outlet M1, and the other end of the middle connecting pipe L1 is suitable for being connected with a vacuumizing mechanism; the edge connecting pipe group comprises a first edge connecting pipe and an mth edge connecting pipe, one end of the mth edge connecting pipe is communicated with the mth edge air outlet, and the other end of the mth edge connecting pipe is suitable for being connected with the vacuumizing mechanism. In this embodiment, the edge connection tube set includes a first edge connection tube L2 and a second edge connection tube L3, one end of the first edge connection tube L2 is connected to the first edge air outlet M2, the other end of the first edge connection tube L2 is adapted to be connected to the vacuumizing mechanism, one end of the second edge connection tube L3 is connected to the second edge air outlet M3, and the other end of the second edge connection tube L3 is adapted to be connected to the vacuumizing mechanism.
In one embodiment, with continued reference to fig. 1, the vacuum adsorption apparatus further comprises: and the mounting hole 6 is positioned at the edge of the adsorption platform, the mounting hole 6 penetrates through the adsorption platform, and the distance from the mounting hole to the center of the middle area is larger than the distance from the middle adsorption hole to the center of the middle area.
In one embodiment, the number of the mounting holes 6 is a plurality, and the plurality of mounting holes are uniformly distributed on the edge of the adsorption platform.
Example 2
The present embodiment provides a screen printing apparatus including a screen printing device and the vacuum adsorption device of embodiment 1, the adsorption stage being for carrying a solar cell so as to perform an adsorption-release operation.
The screen printing device can be compatible with the printing of full-size batteries, can smoothly switch among solar batteries with different sizes, has high equipment utilization rate, and improves the operation utilization rate by more than 2 percent; and the adsorption force to the solar cell is better, so that the solar cell can be effectively prevented from shifting.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A vacuum adsorption apparatus for performing an adsorption-release operation on a solar cell, comprising:
the adsorption platform is at least divided into a plurality of independent areas which can be independently adsorbed and can be controlled in a combined way to enlarge the adsorption area so as to adapt to the area of the solar cell, and the independent areas at least comprise a middle area and symmetrical edge areas which are arranged around the middle area;
the middle area is provided with a middle adsorption hole, a middle air flow channel and a middle air outlet, the middle adsorption hole is positioned on the upper surface layer of the adsorption platform, the middle air outlet is positioned on the lower surface layer of the adsorption platform, the middle air flow channel is positioned in the adsorption platform, and the middle air flow channel is connected with the middle adsorption hole and the middle air outlet;
the edge region is provided with an edge adsorption hole group, an edge airflow channel group and an edge air outlet group, wherein the edge adsorption hole group is positioned on the upper surface layer of the adsorption platform, the edge air outlet group is positioned on the lower surface layer of the adsorption platform, the edge airflow channel group is positioned in the adsorption platform, and the edge airflow channel group is connected with the edge adsorption hole group and the edge air outlet group;
and each independent area is communicated with one vacuumizing mechanism.
2. The vacuum adsorption apparatus of claim 1 wherein the edge region comprises a first edge region group to an mth edge region group, any mth edge region group comprising a 2M-1 th sub-edge region and a 2M-th sub-edge region, the 2M-1 th sub-edge region and the 2M-th sub-edge region being located on either side of the intermediate region, respectively; m is an integer greater than or equal to 2, M is an integer greater than or equal to 1 and less than or equal to M;
the edge adsorption hole group comprises a first edge adsorption hole group to an Mth edge adsorption hole group, any Mth edge adsorption hole group comprises a 2M-1 sub-edge adsorption hole and a 2M sub-edge adsorption hole, and any Mth edge adsorption hole group extends from the Mth edge group of the first surface to an adsorption platform with partial thickness;
the edge airflow channel group comprises first to Mth edge airflow channels; any m-th edge airflow channel is communicated with the 2m-1 th sub-edge adsorption hole and the 2 m-th sub-edge adsorption hole;
the edge air outlet group comprises a first edge air outlet to an Mth edge air outlet, and any Mth edge air outlet extends from the second surface to an adsorption platform with partial thickness and is communicated with an Mth edge air flow channel;
the 2m-1 th sub-edge zone and the 2 m-th sub-edge zone are centrally symmetric about the middle zone.
3. The vacuum adsorption apparatus of claim 2 wherein the boundary region of the 2m ' -1 st sub-edge region toward one side of the intermediate region is concave-convex fitted to form a 2m ' -1 st airtight portion, the boundary region of the 2m ' -th sub-edge region toward one side of the intermediate region is concave-convex fitted to form a 2m ' -th airtight portion, and m ' is at least a partial value of m; the 2m '-1 airtight part is also provided with a plurality of 2m' -1 sub-edge adsorption holes, and the 2m '-1 airtight part is also provided with a plurality of 2m' -2 sub-edge adsorption holes;
a line connecting the center of the 2m '-1 st airtight portion and the center of the 2m' -1 st airtight portion passes through the center of the intermediate region;
the vacuum degree of the edge adsorption hole group is suitable to be larger than the vacuum degree of the middle adsorption hole.
4. The vacuum adsorption apparatus of claim 2 wherein any of the mth edge gas flow passages includes an mth group of first sub-edge gas flow passages, an mth group of second sub-edge gas flow passages, and an mth group of third sub-edge gas flow passages, the mth group of first sub-edge gas flow passages being in communication with the 2m-1 th sub-edge adsorption holes, the mth group of second sub-edge gas flow passages being in communication with the 2 m-th sub-edge adsorption holes, the mth group of third sub-edge gas flow passages communicating a bottom end of the mth group of first sub-edge gas flow passages facing away from the 2m-1 th sub-edge adsorption holes with a bottom end of the mth group of second sub-edge gas flow passages facing away from the 2 m-th sub-edge adsorption holes.
5. The vacuum adsorption apparatus of claim 1, wherein the number of the intermediate adsorption holes is a plurality, and the plurality of intermediate adsorption holes are uniformly arranged in the intermediate region;
the interval between any adjacent middle adsorption holes is 0.1mm-2mm;
the diameter of any intermediate adsorption hole is 10 μm to 200 μm.
6. The vacuum adsorption apparatus of claim 2, wherein the number of the 2m-1 th sub-edge adsorption holes is a plurality, and the plurality of the 2m-1 th sub-edge adsorption holes are uniformly arranged in the 2m-1 th sub-edge region; the number of the 2 m-th sub-edge adsorption holes is a plurality of, and the 2 m-th sub-edge adsorption holes are uniformly distributed in the 2 m-th sub-edge area;
the spacing between the adsorption holes at the edges of any adjacent 2m-1 th sub-is 0.1mm-2mm; the spacing between the adsorption holes at the edges of any adjacent 2 m-th sub-is 0.1mm-2mm.
7. Vacuum adsorption apparatus according to claim 2 wherein the diameter of any 2m-1 th sub-edge adsorption hole is 10 μm to 200 μm and the diameter of any 2 m-th sub-edge adsorption hole is 10 μm to 200 μm.
8. The vacuum adsorption apparatus of claim 2, further comprising: the middle air outlet and the edge air outlet group are communicated with the vacuumizing mechanism through connecting pipes;
the connecting pipes comprise a middle connecting pipe and an edge connecting pipe group;
one end of the middle connecting pipe is communicated with the middle air outlet, and the other end of the middle connecting pipe is suitable for being connected with a vacuumizing mechanism;
the edge connecting pipe group comprises a first edge connecting pipe and an mth edge connecting pipe, one end of the mth edge connecting pipe is communicated with the mth edge air outlet, and the other end of the mth edge connecting pipe is suitable for being connected with the vacuumizing mechanism.
9. The vacuum adsorption apparatus of claim 1, further comprising: the mounting holes are positioned at the edge of the adsorption platform, penetrate through the adsorption platform, and have a larger distance from the center of the middle area to the mounting holes than from the center of the middle area to the middle adsorption holes;
the number of the mounting holes is a plurality of, and the plurality of the mounting holes are uniformly distributed on the edge of the adsorption platform.
10. A screen printing apparatus comprising screen printing equipment, characterized by further comprising: the vacuum adsorption apparatus of any one of claims 1 to 9 wherein the adsorption platform is adapted to carry a solar cell for adsorption release operations.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321167502.4U CN220075867U (en) | 2023-05-12 | 2023-05-12 | Vacuum adsorption equipment and screen printing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321167502.4U CN220075867U (en) | 2023-05-12 | 2023-05-12 | Vacuum adsorption equipment and screen printing device |
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| CN220075867U true CN220075867U (en) | 2023-11-24 |
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| CN202321167502.4U Active CN220075867U (en) | 2023-05-12 | 2023-05-12 | Vacuum adsorption equipment and screen printing device |
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