CN216231154U - Automatic thick liquids device that adds of vapour-pressure type screen printing - Google Patents
Automatic thick liquids device that adds of vapour-pressure type screen printing Download PDFInfo
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- CN216231154U CN216231154U CN202122656608.8U CN202122656608U CN216231154U CN 216231154 U CN216231154 U CN 216231154U CN 202122656608 U CN202122656608 U CN 202122656608U CN 216231154 U CN216231154 U CN 216231154U
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Abstract
The utility model belongs to the technical field of solar cells and discloses an air pressure type automatic slurry adding device for screen printing. This automatic thick liquids device that adds of vapour-pressure type screen printing includes the thick liquids bucket, high-pressure intake pipe, the pressure release pipe, go out thick liquids pipe and advance thick liquids pipe all with thick liquids bucket intercommunication, high-pressure intake pipe and pressure release pipe set up the top at the thick liquids bucket, it sets up in the bottom of thick liquids bucket to go out thick liquids pipe, adopt clean high-pressure gas as the power supply, can guarantee to provide clean pollution-free thick liquids for screen printing device, improve printing quality.
Description
Technical Field
The utility model relates to the technical field of solar cells, in particular to an air pressure type automatic slurry adding device for screen printing.
Background
In the photovoltaic solar industry, the solar cell needs to be manufactured through the processes of texturing, diffusion, etching, film coating, screen printing and sintering, wherein a front surface motor, a back surface motor and a back surface field of the solar cell are completed through the screen printing, the screen printing is one of key processes of a crystalline silicon cell process of the solar cell, and the screen printing is to coat slurry on a silicon wafer according to a pre-designed pattern to form an electrode of the solar cell.
Automatic among the prior art add thick liquids device connects the delivery pump on the pipeline of thick liquids export, and the other end of delivery pump is connected with the conveying pipe, delivers to screen printing equipment with thick liquids through the delivery pump, but this kind of thick liquids transport mode can produce mechanical friction between thick liquids and the delivery pump, can't guarantee the cleanliness of thick liquids.
SUMMERY OF THE UTILITY MODEL
According to one aspect of the utility model, the utility model provides a pneumatic automatic paste adding device for screen printing, which can ensure the cleanliness of paste and improve the printing quality.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an air pressure type automatic slurry adding device for silk-screen printing comprises a slurry barrel, a high-pressure air inlet pipe, a pressure relief pipe, a slurry outlet pipe and a slurry inlet pipe,
the high-pressure air inlet pipe, the pressure relief pipe, the slurry outlet pipe and the slurry inlet pipe are communicated with the slurry barrel, the high-pressure air inlet pipe and the pressure relief pipe are arranged at the top of the slurry barrel, and the slurry outlet pipe is arranged at the bottom of the slurry barrel.
Optionally, the slurry barrel further comprises a weighing base, and the slurry barrel is arranged on the weighing base.
Optionally, the slurry barrel comprises a barrel cover and a barrel body, the barrel cover is connected with the barrel body in a sealing mode, and the high-pressure air inlet and the pressure relief port are both arranged on the barrel cover.
Optionally, a slurry box support is arranged in the barrel body, and slurry in the slurry box can flow into the barrel body.
Optionally, a high-pressure control valve is disposed on the high-pressure intake pipe.
Optionally, a pressure relief valve is arranged on the pressure relief pipe.
Optionally, a discharge valve is disposed on the slurry outlet pipe.
Optionally, a feeding valve is disposed on the slurry feeding pipe.
Optionally, a sealing member is disposed between the barrel cover and the barrel body.
Optionally, still include thick liquids bucket supporting seat, above-mentioned thick liquids bucket is installed on above-mentioned thick liquids bucket supporting seat, and above-mentioned thick liquids bucket supporting seat and above-mentioned weighing base fixed connection.
The utility model has the beneficial effects that:
through setting up the high pressure air inlet pipe at the top of thick liquids bucket, and communicate high pressure intake pipe and thick liquids bucket, when screen printing device needs sizing agent, let in clean high-pressure gas in to thick liquids bucket through high pressure intake pipe, can send the thick liquids in the thick liquids bucket into screen printing device through pressure and supply the printing to use, compare with the thick liquids device that adds that adopts conveying pump conveying thick liquids, at the thick liquids in-process thick liquids can not set up with the machine and produce the friction, can guarantee the cleanliness factor of thick liquids, improve the printing quality.
Drawings
FIG. 1 is a schematic structural view of a pneumatic screen printing automatic paste adding device provided by the utility model;
fig. 2 is a sectional view of the pneumatic screen printing automatic paste adding device provided by the utility model.
In the figure:
100. a slurry barrel; 110. a barrel cover; 120. a barrel body; 200. a high-pressure air inlet pipe; 210. a high pressure control valve; 300. a pressure relief pipe; 310. a pressure relief valve; 400. discharging a slurry pipe; 410. a discharge valve; 500. a slurry inlet pipe; 510. a feed valve; 600. a weighing base; 700. a slurry cartridge holder; 800. a slurry box; 900. a seal member; 1000. slurry barrel supporting seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The feeding device of traditional screen printing adopts the delivery pump to carry out the transport of thick liquids, because thick liquids need pass through the delivery pump during the transport thick liquids, can and the delivery pump between produce mechanical friction, and then influence the cleanliness factor of thick liquids, because the preparation technology of silicon chip requires strictly, can not have impurity and pollution, consequently higher to the requirement for quality of thick liquids when printing, and the low quality that then can influence the printing of cleanliness factor of thick liquids.
In view of the above problems, in an embodiment of the present invention, there is provided a pneumatic screen printing automatic slurry feeding device, as shown in fig. 1, the pneumatic screen printing automatic slurry feeding device includes a slurry barrel 100, a high pressure inlet pipe 200, a pressure relief pipe 300, a slurry outlet pipe 400 and a slurry inlet pipe 500, wherein the high pressure inlet pipe 200 and the pressure relief pipe 300 are disposed at the top of the slurry barrel 100 and communicated with the slurry barrel 100, the high pressure inlet pipe 200 and the pressure relief pipe 300 are disposed at the top of the slurry barrel 100 for facilitating the introduction and discharge of gas due to light gas, the high pressure inlet pipe 200 is used for introducing clean high pressure gas into the slurry barrel 100, the pressure relief pipe 300 is used for exhausting gas, the slurry outlet pipe 400 is disposed at the bottom of the slurry barrel 100 and communicated with the slurry barrel 100, the slurry can enter the screen printing device through the slurry outlet pipe 400 under the extrusion of the high pressure gas, the slurry inlet pipe 500 is communicated with the slurry barrel 100, the slurry inlet pipe 500 is arranged at any position of the slurry barrel 100, and the slurry can enter the slurry barrel 100 from the slurry inlet pipe 500 only by ensuring that the slurry can be arranged according to actual needs, so that the slurry inlet pipe 500 can be connected with the automatic stirring device, the automatic stirring device conveys the stirred slurry into the slurry barrel 100 through the slurry inlet, and the slurry is automatically supplemented for the pneumatic screen printing automatic slurry adding device.
Through setting up high-pressure intake pipe 200 at the top of thick liquids bucket 100, in operation, let in clean high-pressure gas from high-pressure intake pipe 200, close pressure release pipe 300 and inlet pipe, relative sealing in thick liquids bucket 100 this moment, along with high-pressure gas's the letting in, pressure grow in thick liquids bucket 100, the thick liquids pipe 400 of impressing out with thick liquids, accomplish automatic starching, utilize clean high-pressure gas as the power supply, can not produce mechanical friction with equipment during starching, can guarantee the cleanliness factor of thick liquids, and then improve the printing quality.
Further, with continued reference to fig. 1, a weighing base 600 may be provided, the slurry tank 100 is disposed on the weighing base 600, the weighing base 600 may measure the weight of the slurry in the slurry tank 100, and the weight of the weighing base 600 may display the amount of the slurry to be detected and determined each time, so as to achieve accurate loading.
Preferably, in one embodiment, a slurry barrel supporting seat 1000 may be provided according to the shape of the slurry barrel 100, and the slurry barrel 100 is mounted on the slurry barrel supporting seat 1000 to fix the slurry barrel 100, so that the slurry barrel supporting seat 1000 is fixedly connected with the weighing base 600, thereby avoiding the influence on the measurement result of the weighing base 600 due to the shaking of the slurry barrel 100 in the working process and improving the accuracy of loading.
Preferably, the slurry barrel supporting seat 1000 may include a fixing portion and supporting pillars, the slurry barrel 100 is mounted on the fixing portion, one end of each supporting pillar is fixedly connected to the fixing portion, and the other end of each supporting pillar is fixedly connected to the weighing base 600, in order to ensure a supporting effect, a plurality of supporting pillars may be arranged at intervals along the circumferential direction of the fixing portion, in one embodiment, three supporting pillars may be arranged, so as to form a stable triangular support; in other embodiments, the number of the support columns can be four, and the support columns can be arranged according to actual needs.
Further, as shown in fig. 2, the slurry barrel 100 may include a barrel cover 110 and a barrel body 120, a high pressure air inlet pipe 200 and a pressure relief pipe 300 are disposed on the barrel cover 110, the barrel cover 110 and the barrel body 120 are hermetically connected, and the barrel cover 110 is openable.
Preferably, a sealing member 900 can be arranged between the barrel cover 110 and the barrel body 120, sealing between the barrel cover 110 and the barrel body 120 is achieved through the sealing member 900, the sealing member 900 can be a rubber pad made of a flexible material, the rubber pad has certain elastic deformation capacity, the barrel cover 110 and the barrel body 120 can be tightly attached through deformation of the rubber pad, sealing effect is improved, meanwhile, the rubber pad is wear-resistant, the service life is long, frequent replacement is avoided, and cost is reduced. In one embodiment, the sealing member 900 may be a sealing ring to completely seal between the tub cover 110 and the tub 120.
As a preferred technical solution, with reference to fig. 2, the sealing element 900 may be disposed in a compressed state, and when the sealing element 900 is mounted, the sealing element 900 in the compressed state can better cling to the tub cover 110 and the tub body 120, so as to avoid that the sealing effect is affected due to the uneven surface of the tub cover 110 and/or the tub body 120, and improve the sealing performance between the tub cover 110 and the tub body 120.
Further, in an embodiment, the barrel cover 110 and the barrel body 120 can be connected through bolts, the bolts are connected and are convenient to detach, the looseness of connection between the barrel cover 110 and the barrel body 120 can be avoided by increasing pretightening force, the phase change of material components at the connection position cannot be caused by the bolt connection, specifically, a plurality of bolts can be arranged along the circumferential direction of the barrel body 120, the connection strength between the barrel cover 110 and the barrel body 120 can be enhanced by arranging the plurality of bolts, and the sealing performance between the barrel cover 110 and the barrel body 120 is ensured; in other embodiments, the barrel cover 110 and the barrel body 120 may be connected by a clamping manner, and as long as the sealing between the barrel cover 110 and the barrel body 120 and the separable connection between the barrel cover 110 and the barrel body 120 can be realized, both are within the scope of the present application.
Preferably, with continued reference to fig. 2, in an embodiment, a slurry cartridge holder 700 may be disposed in the barrel 120, and when manual loading is performed, the slurry cartridge 800 filled with slurry may be reversely buckled on the slurry cartridge holder 700, so that the slurry in the slurry cartridge 800 flows into the barrel 120, the slurry is added into the barrel 120, and the slurry cartridge 800 is reversely buckled on the slurry cartridge holder 700, so that the slurry in the slurry cartridge 800 can completely flow into the barrel 120, and waste of the slurry is avoided.
Further, a high pressure control valve 210 can be arranged on the high pressure inlet pipe 200 for controlling the air pressure input into the slurry barrel 100, a pressure release valve 310 is arranged on the pressure release pipe 300, when the pressure in the slurry barrel 100 is greater than the external atmospheric pressure, and the pressure release valve 310 can be opened to reduce the air pressure in the slurry barrel 100 when the slurry is required to be conveyed into the slurry barrel 100 from the outside, so that the slurry entering the slurry pipe 500 can smoothly enter the slurry barrel 100.
Further, a feeding valve 510 may be disposed on the slurry inlet pipe 500, and the feeding amount is controlled by opening and closing the feeding valve 510 to avoid excessive feeding.
Further, a discharge valve 410 can be arranged on the slurry outlet pipe 400, the feeding amount is controlled through the discharge valve 410, excessive feeding is avoided, waste of slurry is avoided, and normal work of the screen printing equipment is influenced.
Specifically, the working process of the pneumatic screen printing automatic paste adding device is as follows:
when the novel mortar box is used, the air pressure is adjusted to the required pressure, the barrel cover 110 is locked, the mortar barrel 100 is sealed, if the mortar box 800 with the adhesive mortar is used up, the mortar box 800 can be reversely buckled on the mortar box bracket 700, the residual mortar in the mortar box can flow into the barrel body 120, and waste is avoided;
when adding thick liquids toward the staving 120, need to close high pressure control valve 210 and bleeder valve 410, open relief valve 310 and feed valve 510, guarantee that thick liquids flow into the staving 120 smoothly in, add the thick liquids and finish the back, will close relief valve 310 and feed valve 510, when needs toward adding thick liquids in the screen printing device, can be according to screen printing device's demand, open high pressure control valve 210 and bleeder valve 410, through the weight detection of weighing base 600, accurate quantitative ground is automatic toward the feeding in the screen printing device.
According to the automatic slurry feeding device, the high-pressure air inlet pipe 200 is arranged on the slurry barrel 100, and clean high-pressure air is used as a power source to finish automatic slurry feeding, so that compared with the slurry feeding by adopting a conveying pump, mechanical friction is avoided, the cleanliness of the slurry can be ensured, and the printing quality is further ensured; through the matching of the weighing base 600 and the discharge valve 410, accurate feeding can be realized, and the requirement of a screen printing device on slurry is met; the slurry box bracket 700 is used for supporting and fixing the slurry box 800, so that the slurry in the slurry box 800 can completely flow into the slurry barrel 100, and the waste of the slurry is avoided; an automatic stirring device can be connected to the slurry inlet pipe 500 to automatically convey the slurry for the pneumatic automatic slurry adding device for screen printing.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An air pressure type automatic slurry adding device for silk-screen printing is characterized by comprising a slurry barrel (100), a high-pressure air inlet pipe (200), a pressure relief pipe (300), a slurry outlet pipe (400) and a slurry inlet pipe (500),
the high-pressure air inlet pipe (200), the pressure relief pipe (300), the slurry outlet pipe (400) and the slurry inlet pipe (500) are communicated with the slurry barrel (100), the high-pressure air inlet pipe (200) and the pressure relief pipe (300) are arranged at the top of the slurry barrel (100), and the slurry outlet pipe (400) is arranged at the bottom of the slurry barrel (100).
2. The automatic paste adding apparatus for pneumatic screen printing according to claim 1, further comprising a weighing base (600), wherein the paste barrel (100) is disposed on the weighing base (600).
3. The automatic slurry adding device for the pneumatic screen printing according to claim 1 or 2, wherein the slurry barrel (100) comprises a barrel cover (110) and a barrel body (120), the barrel cover (110) is connected with the barrel body (120) in a sealing manner, and the high-pressure air inlet pipe (200) and the pressure relief pipe (300) are arranged on the barrel cover (110).
4. The automatic slurry adding device for the pneumatic screen printing according to claim 3, wherein a slurry box support (700) is arranged in the barrel body (120), and slurry in the slurry box (800) can flow into the barrel body (120).
5. The automatic paste adding device for the pneumatic screen printing according to claim 4, wherein a high pressure control valve (210) is arranged on the high pressure inlet pipe (200).
6. The automatic paste adding device for the pneumatic screen printing according to claim 5, wherein a pressure relief valve (310) is arranged on the pressure relief pipe (300).
7. The automatic slurry adding device for the air pressure type screen printing according to claim 6, wherein a discharge valve (410) is arranged on the slurry outlet pipe (400).
8. The automatic slurry adding device for the pneumatic screen printing according to claim 7, wherein a feed valve (510) is arranged on the slurry inlet pipe (500).
9. The automatic slurry adding device for the pneumatic screen printing according to claim 3, wherein a sealing member (900) is arranged between the barrel cover (110) and the barrel body (120).
10. The automatic slurry feeding device for the pneumatic screen printing according to claim 2, further comprising a slurry barrel supporting seat (1000), wherein the slurry barrel (100) is installed on the slurry barrel supporting seat (1000), and the slurry barrel supporting seat (1000) is fixedly connected with the weighing base (600).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122656608.8U CN216231154U (en) | 2021-11-02 | 2021-11-02 | Automatic thick liquids device that adds of vapour-pressure type screen printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122656608.8U CN216231154U (en) | 2021-11-02 | 2021-11-02 | Automatic thick liquids device that adds of vapour-pressure type screen printing |
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| CN216231154U true CN216231154U (en) | 2022-04-08 |
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| CN202122656608.8U Active CN216231154U (en) | 2021-11-02 | 2021-11-02 | Automatic thick liquids device that adds of vapour-pressure type screen printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118083766A (en) * | 2024-04-23 | 2024-05-28 | 福建佶龙机械科技股份有限公司 | Rotary screen printing machine thick liquid bucket conveying system |
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2021
- 2021-11-02 CN CN202122656608.8U patent/CN216231154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118083766A (en) * | 2024-04-23 | 2024-05-28 | 福建佶龙机械科技股份有限公司 | Rotary screen printing machine thick liquid bucket conveying system |
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