CN218140540U - Screen fixing device - Google Patents
Screen fixing device Download PDFInfo
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- CN218140540U CN218140540U CN202221814993.2U CN202221814993U CN218140540U CN 218140540 U CN218140540 U CN 218140540U CN 202221814993 U CN202221814993 U CN 202221814993U CN 218140540 U CN218140540 U CN 218140540U
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Abstract
The application discloses a screen fixing device, which relates to the field of photovoltaics and comprises a screen frame, a first positioning plug-in, a second positioning plug-in and a printing machine table, wherein the screen frame is used for fixing a screen; the first positioning hole is vertical to the upper surface of the screen frame and is used for being matched with the first positioning plug-in unit so as to fix the screen frame on the printing machine; the second positioning hole is parallel to the upper surface of the screen frame and is used for being matched with the second positioning plug-in unit so as to fix the screen frame on the printing machine table. This application sets up first locating hole and second locating hole on the frame of screen frame and printing board, first locating hole and second locating hole mutually perpendicular, and first location plug-in components and second location plug-in components get into first locating hole and second locating hole respectively, fix the screen frame in two directions, promote fixed stability, reduce the probability that the skew takes place for the screen frame. And the modification cost of the printing machine is low, and the printing machine can be suitable for printing machines of various models.
Description
Technical Field
The application relates to the field of photovoltaics, in particular to a screen fixing device.
Background
In the production process of the solar cell, the electrode is generally manufactured by adopting a screen printing mode, and a screen printing plate used for screen printing needs to be fixed on a printing machine table. The fixing mode is as follows: the screen plate and four corresponding hole positions on the screen frame are fixed through four screws to ensure that the screen frame and the screen plate are relatively static, and then the screen frame is fixed on a printing machine table.
Two frames opposite to the screen frame are respectively provided with a positioning hole, after the screen printing plate is fixed on the screen frame, the screen frame is pushed towards the designated direction, and when the screen printing plate reaches the limit position, the positioning pins can automatically fall into the positioning holes on the screen frame, so that the effect of fixing the screen printing plate and the printing machine table is realized. Along with the use time, the locating pin can appear wearing and tearing of different degrees with the long-time extrusion of locating hole, leads to the positioning effect to discount greatly to lead to the half tone can produce the relative slip of certain range among the printing process, and then make the pattern of printing take place the skew. Particularly, when a selective emitter cell is manufactured, the overlap ratio of the metal grid lines and the heavily doped region directly affects the cell efficiency and the yield of EL (electroluminescence). At present, reduce the skew of half tone in printing process through changing locating pin and screen frame, promote printing stability, however, this kind of mode leads to the manufacturing cost greatly increased of battery, causes great productivity loss simultaneously.
Therefore, how to solve the above technical problems should be a great concern to those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a screen fixing device which is low in cost and wide in application range and is used for reducing offset of a screen in a printing process.
In order to solve the above technical problem, the present application provides a screen fixing device, including:
the screen frame, the first positioning plug-in, the second positioning plug-in and the printing machine for fixing the screen printing plate, wherein a first positioning hole is formed in the frame of the screen frame, and a second positioning hole is formed in the position, corresponding to the screen frame, of the printing machine;
the first positioning hole is vertical to the upper surface of the screen frame and is used for being matched with the first positioning plug-in unit so as to fix the screen frame on the printing machine table; the second positioning hole is parallel to the upper surface of the screen frame and is used for being matched with the second positioning plug-in unit so as to fix the screen frame on the printing machine table.
Optionally, in the screen fixing device, the second positioning hole and the first positioning hole are located on the same side.
Optionally, in the screen fixing device, the number of the frames provided with the first positioning holes is at least two.
Optionally, in the screen fixing device, when the number of the frames provided with the first positioning holes is two, the frames provided with the first positioning holes are located on opposite sides of the screen frame.
Optionally, in the screen fixing device, each of the frames is provided with one first positioning hole, the number of the second positioning holes located on the same side as the first positioning holes is two, and the first positioning hole is located in the middle of the second positioning hole.
Optionally, in the screen fixing device, the first positioning hole and the second positioning hole are located at different sides.
Optionally, in the screen fixing device, the first positioning plug-in is a positioning pin, and the second positioning plug-in is a screw.
The application provides a half tone fixing device includes: the screen frame, the first positioning plug-in, the second positioning plug-in and the printing machine for fixing the screen printing plate, wherein a first positioning hole is formed in the frame of the screen frame, and a second positioning hole is formed in the position, corresponding to the screen frame, of the printing machine; the first positioning hole is vertical to the upper surface of the screen frame and is used for being matched with the first positioning plug-in unit so as to fix the screen frame on the printing machine table; the second positioning hole is parallel to the upper surface of the screen frame and is used for being matched with the second positioning plug-in unit so as to fix the screen frame on the printing machine table.
It can be seen that, in the application, a first positioning hole is formed in the frame of the screen frame, a second positioning hole is formed in the printing machine, the first positioning hole is perpendicular to the upper surface of the screen frame, the second positioning hole is parallel to the upper surface of the screen frame, namely the first positioning hole is perpendicular to the second positioning hole, the first positioning plug-in unit enters the first positioning hole, the second positioning plug-in unit enters the second positioning hole, the screen frame and the printing machine are fixed in two directions, the stability of fixing the screen frame and the printing machine is improved, the probability of deviation of the screen frame in the printing process is reduced, and the structure is simple. And through the mode of increasing second locating hole and second location plug-in components in the equidirectional not, need not destroy the integrality of printing machine structure, reform transform with low costsly, the cycle is short, can be applicable to the printing machine of various models simultaneously.
Drawings
In order to clearly illustrate the embodiments or technical solutions of the present application, the drawings used in the embodiments or technical solutions of the present application will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of a prior art screen fixing device;
fig. 2 is a schematic structural view of a screen fixing apparatus according to an embodiment of the present application;
in the figure, 1 is a screen frame, 2 is a positioning hole, 3 is a positioning pin, 4 is a first positioning plug-in, 5 is a second positioning plug-in, 6 is a printing machine table, 7 is a first positioning hole, and 8 is a second positioning hole.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the following detailed description will be given with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
A screen frame for fixing a screen printing plate in the prior art is shown in fig. 1, two opposite side frames of the screen frame 1 are respectively provided with a positioning hole 2, and after the screen printing plate is fixed on the screen frame 1, a positioning pin 3 is clamped into the positioning hole 2. The positioning pins 3 and the positioning holes 2 are abraded in different degrees after being extruded for a long time, so that the positioning effect is greatly reduced, the screen printing plate 1 can slide relatively in a certain range in the printing process, and printed patterns can deviate. If the offset needs to be reduced, the positioning pins 3 and the screen frame 1 need to be replaced, so that the production cost of the battery is greatly increased, and meanwhile, a large capacity loss is caused.
In view of the above, the present application provides a screen fixing apparatus, referring to fig. 2, including:
the screen frame comprises a screen frame 1 for fixing a screen printing plate, a first positioning plug-in 4, a second positioning plug-in 5 and a printing machine table 6, wherein a first positioning hole 7 is formed in the frame of the screen frame 1, and a second positioning hole 8 is formed in the position, corresponding to the screen frame 1, of the printing machine table 6;
the first positioning hole 7 is perpendicular to the upper surface of the screen frame 1 and is used for being matched with the first positioning plug-in 4 to fix the screen frame 1 on the printing machine table 6; the second positioning hole 8 is parallel to the upper surface of the screen frame 1, and is used for being matched with the second positioning plug-in 5 to fix the screen frame 1 on the printing machine table 6.
The screen frame 1 is further provided with a third positioning hole for fixing the screen plate on the screen frame 1 through screws, and the prior art can be referred to specifically, and detailed description is omitted in the application.
The first positioning hole 7 is vertical to the upper surface of the screen frame 1, and the first positioning plug-in 4 provides vertical downward pressure for the screen frame 1; the second positioning holes 8 are parallel to the upper surface of the screen frame 1, and the second positioning plug-in 5 provides horizontal extrusion force for the screen frame 1 to fix the screen frame 1 in two directions. The number of the first positioning inserts 4 is equal to that of the first positioning holes 7, and the number of the second positioning inserts 5 is equal to that of the second positioning holes 8.
It should be noted that, in the present application, the positional relationship between the first positioning hole 7 and the second positioning hole 8 is not limited, and may be set by itself. Optionally, in an embodiment of the present application, the second positioning hole 8 is located on the same side as the first positioning hole 7, as shown in fig. 2. Alternatively, in other embodiments of the present application, the first positioning hole 7 and the second positioning hole 8 are located on different sides, for example, when the first positioning hole 7 is located on the borders on the left side and the right side of the screen frame 1, the second positioning hole 8 corresponds to the borders above and below the screen frame 1.
When the first positioning hole 7 and the second positioning hole 8 are located on the same side, in order to improve the fixing effect of the screen frame 1, the number of the frames provided with the first positioning hole 7 is at least two, for example, two, three, or four.
When the number of the frames provided with the first positioning holes 7 is two, the frames provided with the first positioning holes 7 are positioned at the opposite sides of the screen frame 1, as shown in fig. 2, at the moment, the second positioning plug-in 5 provides extrusion force to the frames in two opposite directions, so that the fixing effect of the screen frame 1 can be improved, and the stability of the screen frame 1 in the printing process can be improved. Of course, the frame provided with the first positioning hole 7 may also be two adjacent frames.
It should be noted that, in the present application, the number of the first positioning holes 7 and the second positioning holes 8 on each frame is not limited, and may be one or multiple, and may be specifically set by itself. Similarly, the position relationship between the first positioning hole 7 and the second positioning hole 8 is not limited in the application, and the positioning holes can be set by themselves. As an implementation manner, in two frames provided with first positioning holes 7, each of the frames is provided with one first positioning hole 7, the number of the second positioning holes 8 located on the same side as the first positioning holes 7 is two, and the first positioning hole 7 is located in the middle of the second positioning hole 8, as shown in fig. 2. Or the first positioning hole 7 is positioned at the outer side of the connecting line of the two second positioning holes 8. Alternatively, the number of the first positioning holes 7 and the second positioning holes 8 is plural, the first positioning holes 7 and the second positioning holes 8 are arranged at intervals, and the like.
It should be noted that the types of the first positioning insert 4 and the second positioning insert 5 are not limited in the present application, as the case may be. For example, the first positioning insert 4 may be a positioning pin or a screw; the second positioning insert 5 may be a positioning pin or a screw.
Preferably, the first positioning insert 4 is a positioning pin, and the second positioning insert 5 is a screw. When downward pressure is applied to the positioning pins, the fixing screws on two sides are extruded, fixing force is applied in the horizontal direction, the screen printing plate is prevented from moving in the motion process, and the stability of the production process is improved. For the device shown in fig. 2, the service lives of the screen frame 1 and the positioning pins can be prolonged to a certain extent, and the production cost is reduced.
In this application, be provided with first locating hole 7 on the frame of screen frame 1, be provided with second locating hole 8 on printing board 6, first locating hole 7 and screen frame 1 upper surface vertical, second locating hole 8 is parallel with screen frame 1 upper surface, first locating hole 7 and second locating hole 8 mutually perpendicular promptly, first location plug-in components 4 get into in first locating hole 7, second location plug-in components 5 get into in second locating hole 8, it is fixed with printing board 6 with screen frame 1 on two directions, promote the fixed stability of screen frame 1 and printing board 6, reduce the probability that screen frame 1 takes place the skew in printing process, and simple structure. In addition, by adding the second positioning holes 8 and the second positioning plug-in 5 in different directions, the structural integrity of the printing machine table 6 is not required to be damaged, the modification cost is low, the period is short, and the method can be applied to printing machine tables 6 of various models.
A method of using the screen fixing apparatus of the present application will be described with reference to the screen fixing apparatus shown in fig. 2 as an example.
The screen frame 1 and the screen are fixed, the screen frame 1 is pushed to the position limiting position of the printing machine table 6, the positioning pins automatically fall and are clamped into the first positioning holes 7, and the screen frame 1 is locked. The operator can rock the screen frame 1 to detect whether the screen frame 1 is locked. After the screen frame 1 is locked, screws around the screen frame are screwed until the screen frame cannot be screwed in, then the screen frame can be normally produced after deviation correction, and the deviation correction can be realized by utilizing the self-carried function of the printing machine software. Note that: (1) the four screws must be completely screwed, and cannot be lost; (2) the correction of the misalignment must be performed after the screws have been tightened.
In the present specification, the embodiments are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same or similar parts between the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The screen fixing device provided by the present application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (7)
1. A screen fixing device, comprising:
the screen frame, the first positioning plug-in, the second positioning plug-in and the printing machine for fixing the screen printing plate, wherein a first positioning hole is formed in the frame of the screen frame, and a second positioning hole is formed in the position, corresponding to the screen frame, of the printing machine;
the first positioning hole is vertical to the upper surface of the screen frame and is used for being matched with the first positioning plug-in unit so as to fix the screen frame on the printing machine table; the second positioning hole is parallel to the upper surface of the screen frame and is used for being matched with the second positioning plug-in unit so as to fix the screen frame on the printing machine table.
2. The screen fixing apparatus of claim 1, wherein the second positioning hole is located on the same side as the first positioning hole.
3. The screen fixing apparatus of claim 2, wherein the number of the frames provided with the first positioning holes is at least two.
4. The screen fixing apparatus of claim 3, wherein when the number of the frame frames provided with the first positioning holes is two, the frame frames provided with the first positioning holes are located on opposite sides of the screen frame.
5. The screen fixing apparatus of claim 4, wherein each of the frames has one first positioning hole, two second positioning holes are located on the same side as the first positioning holes, and the first positioning hole is located in the middle of the second positioning hole.
6. The screen fixing apparatus of claim 1, wherein the first positioning hole and the second positioning hole are located at different sides.
7. The screen fixing apparatus of any one of claims 1 to 6, wherein the first positioning inserts are positioning pins, and the second positioning inserts are screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814993.2U CN218140540U (en) | 2022-07-14 | 2022-07-14 | Screen fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814993.2U CN218140540U (en) | 2022-07-14 | 2022-07-14 | Screen fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218140540U true CN218140540U (en) | 2022-12-27 |
Family
ID=84593210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221814993.2U Active CN218140540U (en) | 2022-07-14 | 2022-07-14 | Screen fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218140540U (en) |
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2022
- 2022-07-14 CN CN202221814993.2U patent/CN218140540U/en active Active
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