CN210549190U - Annular net pressing tool - Google Patents
Annular net pressing tool Download PDFInfo
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- CN210549190U CN210549190U CN201921318605.XU CN201921318605U CN210549190U CN 210549190 U CN210549190 U CN 210549190U CN 201921318605 U CN201921318605 U CN 201921318605U CN 210549190 U CN210549190 U CN 210549190U
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Abstract
The utility model discloses an annular net pressing tool, which comprises a first mounting block, a second mounting block, and a silk screen and a needle pressing mounting bar which are positioned between the first mounting block and the second mounting block; the silk screen includes a plurality of pressure silks, press silk one end to be fixed in on the first installation piece, press the silk other end pass through locating component with the second installation piece is connected, be provided with the tucking of a plurality of vertical installations on the tucking mounting bar, tucking mounting bar quantity is two and is located respectively first installation piece both ends, two tucking mounting bars with first installation piece, second installation piece form annular pressure net structure, the pressure silk is located between two tucking mounting bars. The utility model discloses a reduce the volume of tucking, only kept being located two rows of tucking at first installation piece both ends, all the other forms of pressing the net of changing into, can reduce the influence that is in the light like this and the risk of latent splitting, also can corresponding reduction use cost and later maintenance time.
Description
Technical Field
The utility model belongs to the technical field of the welding, especially, relate to an annular net frock of pressing.
Background
At present, for welding photovoltaic cell pieces, especially for welding circular welding strips, the following two welding modes are generally adopted:
(1) a plurality of rows of pressing pins distributed at equal intervals are arranged below the lamp box, and the welding strip is pressed in all directions through the pressing pins in the welding process, so that the relative position relationship between the welding strip and the photovoltaic cell is ensured;
(2) pressing the welding strip in a full-screen mode so as to ensure the relative position relationship between the welding strip and the photovoltaic cell;
the first approach has the following disadvantages: light is easy to block, and the surface temperature of the photovoltaic cell is influenced, so that the cold joint phenomenon is caused. And the photovoltaic cell piece is silicon-based, and it has hard fragile physical characteristic, and multirow tucking is concentrated on the photovoltaic cell piece surface, causes the photovoltaic cell piece surface uneven stress easily to increase the hidden risk of splitting of photovoltaic cell piece. In addition, because the high temperature is needed to ensure that the tin on the surface of the welding strip is melted in the welding process, the temperature far exceeds the limit temperature born by the spring inside the pressing pin, the spring can be failed in a short time, and the spring needs to be replaced frequently or a high-temperature-resistant spring is directly used, so that the cost is increased.
The second mode has the following disadvantages: the solder strip can have certain stress in the process treatment (tensile alignment, bending etc.) in the front, and the location of assurance solder strip that can not be fine is singly leaned on the pressure effect of silk screen, and especially in welding process, high temperature can make solder strip internal stress release, and the solder strip can overcome the pressure effect of silk screen and certain bending appears to make the position relation between solder strip and the photovoltaic cell certain deviation appear, can not guarantee fine welding quality.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides an annular pressure net frock to solve the problem that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an annular net pressing tool comprises a first mounting block, a second mounting block, and a silk screen and pressing pin mounting bar positioned between the first mounting block and the second mounting block; the silk screen includes a plurality of pressure silks, press silk one end to be fixed in on the first installation piece, press the silk other end pass through locating component with the second installation piece is connected, be provided with the tucking of a plurality of vertical installations on the tucking mounting bar, tucking mounting bar quantity is two and is located respectively first installation piece both ends, two tucking mounting bars with first installation piece, second installation piece form annular pressure net structure, the pressure silk is located between two tucking mounting bars.
In a preferred embodiment of the present invention, the first mounting block and the second mounting block are both provided with a plurality of magnets.
In a preferred embodiment of the present invention, the positioning assembly comprises a tensioning block and a tensioning spring, and the wire pressing is performed by connecting the tensioning spring with the tensioning block, so as to realize the continuous tensioning of the wire pressing.
In a preferred embodiment of the present invention, the tensioning block is located in the second mounting block.
In a preferred embodiment of the present invention, the number of the pressing pins is a plurality of pressing pins and the pressing pins are distributed along the length direction of the pressing pin mounting bar at intervals.
In a preferred embodiment of the present invention, the pressing pin is connected to the pressing pin mounting bar through a pressing pin spring.
In a preferred embodiment of the present invention, the number of the pressing wires is at least two, and the adjacent pressing wires are arranged in parallel.
In a preferred embodiment of the present invention, one end of the pressing pin mounting bar is connected to the first mounting block through a set of screws, and the other end of the pressing pin mounting bar is connected to the second mounting block through another set of screws.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:
compared with the traditional mesh pressing tool, the utility model can position both sides of the photovoltaic cell, and the other positions are positioned by adopting the silk screen, only two rows of pressing pins at both ends of the first mounting block are reserved, the using quantity of the pressing pins is reduced, the influence of light blocking in the welding process is reduced, the generation of the insufficient soldering phenomenon is reduced, and the reduction of the number of the pressing pins can greatly reduce the risk of hidden cracking of the photovoltaic cell, the utility model uses the silk screen to replace part of the pressing pins, can reduce the using quantity of part of processed workpieces, reduces the using cost, ensures that the pressing wires in the silk screen are in a tensioning state for a long time by using a self-adaptive tensioning mode of the spring, can reduce the later maintenance cost and the later maintenance time compared with the replacement of the spring in the traditional pressing pins, and can generate a force vertically acting on the welding strip by the pressing pin spring, the force is greater than the stress inside the solder strip, so that the position of the solder strip relative to the photovoltaic cell can be ensured.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic diagram of a specific working structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the preferred embodiment of the present invention;
FIG. 3 is another overall structure diagram of the preferred embodiment of the present invention;
in the figure: 1. a first mounting block; 2. a second mounting block; 3. a wire mesh; 4. pressing a needle mounting bar; 5. a positioning assembly; 51. a tensioning block; 52. tensioning the spring; 6. pressing the needle; 7. a magnet; 8. a photovoltaic cell sheet; 9. and (7) welding the strip.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in figure 1, a net pressing tool is used for positioning a photovoltaic cell 8 to be welded so that a welding strip 9 positioned on the surface of the photovoltaic cell 8 can be fixed relative to the photovoltaic cell 8, the net pressing tool realizes the annular fixation of the welding strip 9, for welding strips 9 with different specifications, different net pressing tools are needed to be used for positioning the welding strips, the utility model adopts two pressing pin mounting strips 4, a first mounting block 1 and a second mounting block 2 to form an annular net pressing structure for the annular positioning of the welding strip 9, the positioning effect is good, the specific operation is as follows, firstly, the net pressing tool is placed on the photovoltaic cell 8, the direction is that the pressing pins 6 face downwards, because the welding strip 9 longitudinally arranged on the surface of the photovoltaic cell 8 exists, the transversely arranged pressing wires can be matched with the two rows of pressing pins 6 and are alternately distributed with the longitudinally arranged welding strips 9 in a palace format, thereby playing a role of auxiliary fixation for the welding strips 9, the relative position relation between the solder strips 9 and the photovoltaic cell pieces 8 is ensured.
As shown in fig. 2 and 3, an annular screen pressing tool includes a first mounting block 1, a second mounting block 2, and a screen 3 and a needle pressing mounting bar 4 located between the first mounting block 1 and the second mounting block 2; the silk screen 3 comprises a plurality of pressing wires, one end of each pressing wire is fixed on the first mounting block 1, the other end of each pressing wire is connected with the second mounting block 2 through the positioning assembly 5, a plurality of vertically mounted pressing pins 6 are arranged on the pressing pin mounting strips 4, the number of the pressing pin mounting strips 4 is two and are respectively positioned at two ends of the first mounting block 1, the two pressing pin mounting strips 4, the first mounting block 1 and the second mounting block 2 form an annular pressing net structure, and the pressing wires are positioned between the two pressing pin mounting strips 4. compared with the traditional pressing net tool, in the using process, most of the pressing pins 6 are removed, only two rows of the pressing pins 6, the first mounting block 1 and the second mounting block 2 form the annular pressing net structure to position the welding strip 9, the influence of light blocking in the welding process is reduced, the generation of a virtual welding phenomenon is reduced, and the hidden risk of the photovoltaic cell sheets 8 can be greatly reduced by reducing the number of the pressing pins 6, the utility model discloses in, tucking 6 is connected through tucking spring and tucking mounting bar 4 to guarantee that tucking 6 can freely stretch out and draw back, avoid making photovoltaic cell piece 8 surface receive too big pressure and cause the latent of photovoltaic cell piece 8 to split, and tensioning spring 52's existence, tensioning piece 51 is ejecting to the opposite direction by tensioning spring 52 effect, thereby guarantees to press the silk to be in the tensioning state always, and the utility model discloses well magnet 7's existence can make under the effect of external electro-magnet to press the net frock absorption on magnetic material, realizes the location of pressing net frock self.
Further, all be provided with a plurality of magnet 7 on first installation piece 1 and the second installation piece 2, the existence of magnet 7 can make the net frock of pressing adsorb on magnetic material, realizes the location of net frock self.
Specifically, the positioning assembly 5 comprises a tensioning block 51 and a tensioning spring 52, and the wire pressing is connected with the tensioning block 51 through the tensioning spring 52, so that the continuous tensioning of the wire pressing is realized.
Further, the tensioning block 51 is located within the second mounting block 2.
Specifically, the number of the pressing pins 6 is several and the pressing pins are distributed at intervals along the length direction of the pressing pin mounting strip 4, so that a row of continuous pressing pins 6 is formed.
Further, the pressing pin 6 is connected with the pressing pin mounting strip 4 through a pressing pin spring.
Specifically, the number of the pressing wires is at least two, and the adjacent pressing wires are arranged in parallel.
Particularly, 4 one ends of tucking mounting strip are connected with first installation piece 1 through a set of screw, and 4 other ends of tucking mounting strip are connected with second installation piece 2 through another set of screw.
In conclusion, compared with the traditional net pressing tool, the utility model can position both sides of the photovoltaic cell 8, and the other positions are positioned by the silk screen 3, only two rows of pressing pins 6 at both ends of the first mounting block 1 are reserved, the number of the pressing pins 6 is reduced, the influence of light blocking in the welding process is reduced, the generation of the virtual welding phenomenon is reduced, and the risk of hidden cracking of the photovoltaic cell 8 can be greatly reduced by reducing the number of the pressing pins 6, the utility model uses the silk screen 3 to replace part of the pressing pins 6, the usage amount of part of processing workpieces can be reduced, the use cost is reduced, and the pressing wires in the silk screen 3 can be ensured to be in the tensioning state for a long time by using the self-adaptive tensioning mode of the spring, compared with the replacement of the spring in the traditional pressing pins 6, the later maintenance cost and the later maintenance time can be reduced, and the pressing pin 6 can generate a force vertically acting on the solder strip 9 through a pressing pin spring, and the force is greater than the stress inside the solder strip 9, so that the position of the solder strip 9 relative to the photovoltaic cell piece 8 can be ensured.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. An annular net pressing tool is characterized by comprising a first mounting block, a second mounting block, a wire net and a pressing pin mounting bar, wherein the wire net and the pressing pin mounting bar are positioned between the first mounting block and the second mounting block; the silk screen includes a plurality of pressure silks, press silk one end to be fixed in on the first installation piece, press the silk other end pass through locating component with the second installation piece is connected, be provided with the tucking of a plurality of vertical installations on the tucking mounting bar, tucking mounting bar quantity is two and is located respectively first installation piece both ends, two tucking mounting bars with first installation piece, second installation piece form annular pressure net structure, the pressure silk is located between two tucking mounting bars.
2. The annular net pressing tool according to claim 1, wherein a plurality of magnets are arranged on each of the first mounting block and the second mounting block.
3. The annular net pressing tool according to claim 1, wherein the positioning assembly comprises a tensioning block and a tensioning spring, and the pressing wire is connected with the tensioning block through the tensioning spring to realize continuous tensioning of the pressing wire.
4. The annular net pressing tool according to claim 3, wherein the tensioning block is located in the second mounting block.
5. The annular net pressing tool according to claim 1, wherein the number of the pressing pins is a plurality, and the pressing pins are distributed at intervals along the length direction of the pressing pin mounting strip.
6. The annular net pressing tool according to claim 1, wherein the pressing pin is connected with the pressing pin mounting bar through a pressing pin spring.
7. The annular net pressing tool according to claim 1, wherein the number of the pressing wires is at least two, and the adjacent pressing wires are arranged in parallel.
8. The annular net pressing tool according to claim 1, wherein one end of the pressing pin mounting bar is connected with the first mounting block through one group of screws, and the other end of the pressing pin mounting bar is connected with the second mounting block through another group of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318605.XU CN210549190U (en) | 2019-08-15 | 2019-08-15 | Annular net pressing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318605.XU CN210549190U (en) | 2019-08-15 | 2019-08-15 | Annular net pressing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210549190U true CN210549190U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921318605.XU Active CN210549190U (en) | 2019-08-15 | 2019-08-15 | Annular net pressing tool |
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| CN (1) | CN210549190U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560993A (en) * | 2019-08-15 | 2019-12-13 | 苏州金宸星锐智能科技有限公司 | Annular net pressing tool |
-
2019
- 2019-08-15 CN CN201921318605.XU patent/CN210549190U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560993A (en) * | 2019-08-15 | 2019-12-13 | 苏州金宸星锐智能科技有限公司 | Annular net pressing tool |
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Address after: 2 / F, unit B1, building B, Jiadi Industrial Park, 1688 Songwei Road, Guoxiang street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Jinchen Intelligent Manufacturing Co., Ltd Address before: 215000 No.118 Shengpu Road, Suzhou Industrial Park, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Jinchen Yingzhen Advanced Manufacturing Technology Research Institute Co.,Ltd. |
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| CP03 | "change of name, title or address" |