CN-117984649-B - Solar screen printing device

CN117984649BCN 117984649 BCN117984649 BCN 117984649BCN-117984649-B

Abstract

The invention relates to a solar screen printing device, wherein a bracket is arranged on a printing table of the device, the bracket comprises a backing plate and a flat pallet, a feeding device is arranged in the bracket, the feeding device comprises a slurry disc and two scraper groups, each scraper group comprises an upper scraper and a lower scraper, the slurry disc is positioned between the upper scraper and the lower scraper, a guide plate is connected between the upper scraper and the lower scraper, a guide groove is arranged on the backing plate, the upper scraper is coupled in the guide groove through a connecting component, the upper scraper is connected with an electric push rod through a cross arm, and when the electric push rod stretches, the corresponding side scraper groups can be controlled to move horizontally so as to finish the printing of a silicon wafer.

Inventors

GAO WEIHAI
Qiu Chugui
SUN MIN
LI MING

Assignees

江苏容轩光电科技有限公司

Dates

Publication Date: 20260508
Application Date: 20240202

Claims (3)

1. The solar screen printing device comprises a printing table fixed on a base, wherein a first groove for placing a silicon wafer is formed in the printing table, and a screen is placed on the silicon wafer; The printing assembly comprises a bracket, the bracket is arranged above the printing table, a feeding device is arranged in the bracket, the bracket comprises two parallel back plates, the two back plates are vertically arranged, and two flat supporting plates are connected between the two back plates; Two opposite side surfaces of the two backrest plates are respectively provided with two guide grooves, and each flat supporting plate is provided with a driving device; the feeding device comprises a slurry disc and two scraper groups, each scraper group is connected with a driving device at the corresponding side, and the driving device controls the two scraper groups to move from the middle position of the screen plate to the two ends, and the moving directions of the two scraper groups are opposite; each scraper group comprises an upper scraper and a lower scraper, the slurry disc is positioned between the upper scraper and the lower scraper, the upper scraper is connected with a guide groove on the corresponding side through a connecting component, and the upper scraper is connected with a driving device through a cross arm; the cross arm passes through a vertical plate, the vertical plate can move along the length direction of the cross arm, the lower end of the vertical plate is connected with a guide plate, and the guide plate is in butt joint with a lower scraper on the corresponding side; The cross arm is provided with an inner baffle, the inner baffle is arranged between the vertical plate and the driving device, the cross arm is sleeved with a compression reset spring, the compression reset spring is positioned between the vertical plate and the inner baffle, when the upper scraper and the lower scraper are positioned at the middle position of the screen plate, the compression reset spring is in a compression state, and when the vertical plate moves, the corresponding lower scraper is driven to move through the guide plate; The upper scraper is provided with a convex strip, the inner end of the cross arm is connected with a connecting plate, the connecting plate is provided with a chute with a concave section, and the convex strip is matched in the chute and can slide along the length direction of the chute; the guide groove comprises a first transverse groove and a second transverse groove which are arranged in parallel, both ends of the first transverse groove are connected with inclined grooves, and the lower ends of the inclined grooves are communicated with the second transverse groove; A notch is formed in one side, close to the electric push rod, of the second transverse groove, the notch is obliquely arranged, a side baffle is arranged in the notch, and the side baffle is hinged to the top surface of the second transverse groove; One end of the guide groove, which is close to the driving device, is connected with a smooth groove, and the smooth groove is communicated with the second transverse groove.
2. The solar screen printing device of claim 1, wherein the guide plate is strip-shaped, the cross section of the guide plate is arc-shaped, a side notch is formed in the lower side of the guide plate, the lower side of the guide plate is in butt joint with the lower scraper on the corresponding side, and the upper side of the guide plate is connected with the vertical plate on the corresponding side.
3. The solar screen printing device of claim 1, wherein the slurry tray is provided with a second groove, and the upper scraper is positioned in the second groove.

Description

Solar screen printing device Technical Field The invention relates to the technical field of solar cells, in particular to a solar screen printing component. Background Along with the transformation of the global energy structure, solar energy is used as a clean and renewable energy source, so that the solar energy is widely applied and popularized, and the screen printing of the solar panel is used as an important link in the manufacturing process of the solar panel, so that the development of the solar industry and the optimization of the energy structure are facilitated. In the prior art, a screen printing component is disclosed, the document number of which is CN217293874U, which comprises a screen frame, a baffle plate, a scraping plate and a closing piece, wherein the screen frame is of a rectangular frame structure and has the designed length and width. However, in the above-described scheme, when printing is performed on the screen, the squeegee is pushed to move from one end of the screen to the other end along the longitudinal direction of the separator, and the printing efficiency of the squeegee is low due to the long stroke. Disclosure of Invention In order to solve the problems, the invention provides the printing component which can rapidly print the screen and is high in efficiency and suitable for the solar screen. In order to achieve the aim, the technical scheme of the invention is that the solar screen printing device comprises a printing table fixed on a base, wherein a first groove for placing a silicon wafer is arranged on the printing table, a printing assembly is arranged above the printing table, and the printing assembly can print the silicon wafer; The printing assembly comprises a bracket, the bracket is arranged above the printing table, a feeding device is arranged in the bracket, the bracket comprises two parallel back plates, the two back plates are vertically arranged, and two flat supporting plates are connected between the two back plates; Two opposite side surfaces of the two backrest plates are respectively provided with two guide grooves, and each flat supporting plate is provided with a driving device; the feeding device comprises a slurry disc and two scraper groups, each scraper group is connected with a driving device at the corresponding side, and the driving device controls the two scraper groups to move from the middle position of the screen plate to the two ends, and the moving directions of the two scraper groups are opposite; each scraper group comprises an upper scraper and a lower scraper, the slurry disc is positioned between the upper scraper and the lower scraper, the upper scraper is connected with a guide groove on the corresponding side through a connecting component, and the upper scraper is connected with a driving device through a cross arm. Further, be provided with the sand grip on the last scraper, be connected with the connecting plate at the xarm inner, be provided with the spout that the cross-section is "concave" font on the connecting plate, the sand grip fits in the spout to can slide along the length direction of spout. Further, the cross arm passes through a vertical plate, the vertical plate can move along the length direction of the cross arm, the lower end of the vertical plate is connected with a guide plate, the guide plate is in butt joint with the lower scraper at the corresponding side, and when the vertical plate moves, the guide plate drives the corresponding lower scraper to move. Further, the guide plate is long-strip-shaped, the cross section of the guide plate is arc-shaped, a side notch is formed in the low side of the guide plate, the low side of the guide plate is in butt joint with the corresponding side lower scraper, and the high side of the guide plate is connected with the corresponding side vertical plate. Further, an inner baffle is arranged on the cross arm, the inner baffle is arranged between the vertical plate and the driving device, a compression reset spring is sleeved on the cross arm, and the compression reset spring is positioned between the vertical plate and the inner baffle. Further, a second groove is formed in the slurry disc, and the upper scraper is located in the second groove. Further, the guide way includes parallel arrangement's first transverse groove and second transverse groove, and the length in first transverse groove is less than the length in second transverse groove, and the both ends in first transverse groove all are connected with the chute, and the lower extreme and the second transverse groove intercommunication of chute. Further, one side of the second transverse groove, which is close to the electric push rod, is provided with a notch, the length of the notch is smaller than that of the second transverse groove, the notch is obliquely arranged, a side baffle is arranged in the notch, and the side baffle is hinged to the top surface of the second transverse groove. Further, one en