Screen plate liquid supplementing device

Abstract

The utility model discloses a liquid supplementing device for a screen printing plate. The screen printing plate liquid supplementing device comprises a multidirectional movement mechanism, a cleaning mechanism and a liquid supplementing mechanism, the cleaning mechanism and the liquid supplementing mechanism are both installed on the multidirectional movement mechanism, the cleaning mechanism is used for cleaning residual slurry at the damaged position of the surface of a screen printing plate, and the liquid supplementing mechanism is used for supplementing the slurry to the damaged position of the surface of the screen printing plate. According to the screen printing plate liquid supplementing device, automatic liquid supplementing operation can be achieved, the liquid supplementing efficiency is high, and liquid supplementing errors and secondary damage to the screen printing plate caused by manual skill differences are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, and particularly to a screen replenishing device. Background Art

[0002] Silicon wafers, screens, and slurries involved in the production process of solar cells are important materials. Screen printing is an important link in the production process of solar cells, and the consumption of screens and slurries in screen printing accounts for a large cost. Among them, as the mesh number of the current screen is getting higher and higher, the cost of the screen increases accordingly. In order to control costs, the service life requirements of the screen will become higher. During the use of the screen, it may be punctured due to tiny foreign objects caused by the production site environment or other reasons, resulting in slurry leakage, which may cause the printed solar cells to fail the quality inspection. Generally, in this case, the operator will manually remove the screen to check the slurry leakage position and repair the slurry leakage at the leakage position. At present, the manual slurry leakage repair method is cumbersome and time-consuming on the one hand, affecting production capacity; on the other hand, the manual slurry leakage repair is greatly affected by the skills of workers. If the operation is improper, it will cause secondary damage to the screen, making the screen completely unusable and increasing the production cost. Summary of the Utility Model

[0003] Based on this, it is necessary to provide a screen replenishing device. The screen replenishing device of the utility model can realize automatic replenishing operation, has high replenishing efficiency, and avoids replenishing errors and secondary damage to the screen caused by differences in manual skills.

[0004] An embodiment of the present application provides a screen replenishing device.

[0005] A screen replenishing device includes a multi-directional movement mechanism, a cleaning mechanism, and a replenishing mechanism. The cleaning mechanism and the replenishing mechanism are both installed on the multi-directional movement mechanism. The cleaning mechanism is used to clean the residual slurry at the damaged part of the screen surface, and the replenishing mechanism is used to replenish the slurry to the damaged part of the screen surface.

[0006] In some embodiments, the multi-directional movement mechanism includes a base and a robotic arm. The mounting end of the robotic arm is installed on the base, and the working end of the robotic arm is connected to the cleaning mechanism and the replenishing mechanism.

[0007] In some embodiments, the cleaning mechanism includes a squeegee. The squeegee is movably connected to the multi-directional movement mechanism, and the squeegee is used to clean the residual slurry at the damaged part of the screen surface.

[0008] In some of these embodiments, the cleaning mechanism further includes a first telescopic member, and the squeegee is connected to the multi-directional movement mechanism through the first telescopic member. The first telescopic member can drive the squeegee to perform telescopic movement to clean the residual paste at the damaged area on the screen surface.

[0009] In some of these embodiments, the liquid supplementing mechanism includes a liquid supplementing pen, and the liquid supplementing pen is movably connected to the multi-directional movement mechanism. The liquid supplementing pen is used to supplement paste to the damaged area on the screen surface.

[0010] In some of these embodiments, the liquid supplementing mechanism further includes a second telescopic member, and the liquid supplementing pen is connected to the multi-directional movement mechanism through the second telescopic member. The second telescopic member can drive the liquid supplementing pen to perform telescopic movement to supplement paste to the damaged area on the screen surface.

[0011] In some of these embodiments, the screen liquid supplementing device further includes a detection mechanism, and the detection mechanism includes an optical amplifier. The optical amplifier is movably connected to the multi-directional movement mechanism. The optical amplifier is used to confirm the position and the damaged size of the damaged area on the screen surface.

[0012] In some of these embodiments, the detection mechanism further includes a third telescopic member, and the optical amplifier is connected to the multi-directional movement mechanism through the third telescopic member. The third telescopic member can drive the optical amplifier to perform telescopic movement.

[0013] In some of these embodiments, the screen liquid supplementing device further includes a drying mechanism, and the drying mechanism includes a blow gun and an air duct. The blow gun is installed on the multi-directional movement mechanism. One end of the air duct is connected to the blow gun and the other end is used to connect to an air source.

[0014] In some of these embodiments, the drying mechanism further includes a fourth telescopic member, and the blow gun is connected to the multi-directional movement mechanism through the fourth telescopic member. The fourth telescopic member can drive the blow gun to perform telescopic movement.

[0015] The above screen liquid supplementing device can realize automatic liquid supplementing operation, improve the liquid supplementing efficiency, and avoid liquid supplementing errors and secondary damage to the screen caused by differences in manual skills. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0017] To more fully understand the present application and its beneficial effects, the following will be described in conjunction with the accompanying drawings. Among them, the same reference numerals in the following description represent the same parts.

[0018] Figure 1 Schematic diagram of a screen replenishing device according to an embodiment of the present utility model;

[0019] Figure 2 Partial structural schematic diagram of a screen replenishing device according to an embodiment of the present utility model.

[0020] Description of reference numerals

[0021] 10. Screen replenishing device; 100. Multi-directional movement mechanism; 110. Base; 120. Robot arm; 121. Installation end; 122. Working end; 200. Cleaning mechanism; 210. Scraper; 220. First telescopic member; 300. Replenishing mechanism; 310. Replenishing pen; 320. Second telescopic member; 400. Detection mechanism; 410. Optical amplifier; 420. Third telescopic member; 500. Air drying mechanism; 510. Air gun; 520. Air duct; 530. Fourth telescopic member. Specific embodiments

[0022] To make the above objects, features, and advantages of the present utility model more apparent and understandable, the following will describe the specific embodiments of the present utility model in detail with reference to the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0023] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] In the description of the present utility model, "several" means more than one, "many" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] The embodiment of the present application provides a screen refilling device to solve the problems in the prior art of manually refilling screen slurry during printing, which are cumbersome and time-consuming, affecting production capacity; and the problem that manual refilling of leaking slurry is greatly affected by the worker's skills, and improper operation may cause secondary damage to the screen, making the screen completely unusable. The screen refilling device will be described below in conjunction with the accompanying drawings.

[0029] The screen liquid replenishing device 10 provided in the embodiment of the present application is exemplary, please refer to Figure 1 As shown, Figure 1This is a schematic structural diagram of the screen replenishing device 10 provided by the embodiments of the present application. The screen replenishing device 10 of the present application can be used to automatically realize the replenishing function, achieve replenishing standardization, and reduce or avoid secondary damage to the screen.

[0030] To more clearly illustrate the structure of the screen replenishing device 10, the screen replenishing device 10 will be introduced below in conjunction with the accompanying drawings. Exemplarily, please refer to Figure 1 As shown, a screen replenishing device 10 includes a multi-directional movement mechanism 100, a cleaning mechanism 200, and a replenishing mechanism 300. The cleaning mechanism 200 and the replenishing mechanism 300 are both installed on the multi-directional movement mechanism 100. The cleaning mechanism 200 is used to clean the residual paste at the damaged part of the screen surface. The replenishing mechanism 300 is used to replenish the paste to the damaged part of the screen surface.

[0031] In some of the embodiments, please refer to Figure 1 As shown, the multi-directional movement mechanism 100 includes a base 110 and a robotic arm 120. The mounting end 121 of the robotic arm 120 is mounted on the base 110, and the working end 122 of the robotic arm 120 is connected to the cleaning mechanism 200 and the replenishing mechanism 300.

[0032] In some of the embodiments, refer to Figure 2 As shown, Figure 2 This is a partial structural schematic diagram of the screen replenishing device 10 according to an embodiment of the present invention. The cleaning mechanism 200 includes a scraper 210. The scraper 210 is movably connected to the multi-directional movement mechanism 100, and the scraper 210 is used to clean the residual paste at the damaged part of the screen surface.

[0033] In some of the embodiments, refer to Figure 2 As shown, the cleaning mechanism 200 includes a first telescopic member 220. The scraper 210 is connected to the multi-directional movement mechanism 100 through the first telescopic member 220, and the first telescopic member 220 can drive the scraper 210 to move telescopically to clean the residual paste at the damaged part of the screen surface.

[0034] In some of the embodiments, refer to Figure 2 As shown, the replenishing mechanism 300 includes a replenishing pen 310. The replenishing pen 310 is movably connected to the multi-directional movement mechanism 100, and the replenishing pen 310 is used to replenish the paste to the damaged part of the screen surface. A special glue for repairing the damaged screen is added to the replenishing pen 310. The replenishing pen 310 can achieve automatic replenishment. The replenishment of the replenishing pen 310 can be driven by a control mechanism, for example, by driving a cylinder, a driving motor, etc. to control the action of the replenishing pen 310.

[0035] In some of these embodiments, the liquid replenishing mechanism 300 further includes a second telescopic member 320. The liquid replenishing pen 310 is connected to the multi-directional movement mechanism 100 through the second telescopic member 320, and the second telescopic member 320 can drive the liquid replenishing pen 310 to perform telescopic movement to replenish the paste at the damaged part of the screen surface.

[0036] In some of these embodiments, referring to Figure 1 and Figure 2 as shown, the screen liquid replenishing device 10 further includes a detection mechanism 400. The detection mechanism 400 includes an optical amplifier 410, and the optical amplifier 410 is movably connected to the multi-directional movement mechanism 100. The optical amplifier 410 is used to confirm the position and damage size of the damaged part on the screen surface.

[0037] In some of these embodiments, referring to Figure 2 as shown, the detection mechanism 400 further includes a third telescopic member 420. The optical amplifier 410 is connected to the multi-directional movement mechanism 100 through the third telescopic member 420, and the third telescopic member 420 can drive the optical amplifier 410 to perform telescopic movement.

[0038] In some of these embodiments, referring to Figure 1 and Figure 2 as shown, the screen liquid replenishing device 10 further includes a drying mechanism 500. The drying mechanism 500 includes a hot air gun 510 and an air duct 520. The hot air gun 510 is installed on the multi-directional movement mechanism 100. One end of the air duct 520 is connected to the hot air gun 510, and the other end is used to connect to an air source.

[0039] In some of these embodiments, referring to Figure 2 as shown, the drying mechanism 500 further includes a fourth telescopic member 530. The hot air gun 510 is connected to the multi-directional movement mechanism 100 through the fourth telescopic member 530, and the fourth telescopic member 530 can drive the hot air gun 510 to perform telescopic movement.

[0040] In some of these embodiments, referring to Figure 2 as shown, the above-mentioned first telescopic member 220, second telescopic member 320, third telescopic member 420, and fourth telescopic member 530 are all installed at the working end 122 of the robotic arm 120. Correspondingly, the squeegee 210, the liquid replenishing pen 310, the hot air gun 510, and the optical amplifier 410 are all located at the working end 122 of the robotic arm 120. Such a setting facilitates operation.

[0041] In some of these embodiments, the above-mentioned robotic arm 120, first telescopic member 220, second telescopic member 320, third telescopic member 420, fourth telescopic member 530, liquid replenishing pen 310, optical amplifier 410, and hot air gun 510 are respectively electrically connected to the control mechanism.

[0042] In some of these embodiments, the control mechanism may be a PLC programmable logic controller.

[0043] In some of these embodiments, the above-mentioned first telescopic member 220, second telescopic member 320, third telescopic member 420, and fourth telescopic member 530 may be drive cylinders respectively. The first telescopic member 220, second telescopic member 320, third telescopic member 420, and fourth telescopic member 530 are respectively controlled by the control mechanism to act.

[0044] During the use of the above-mentioned stencil replenishing device 10, after the solar cells are screen-printed, they will undergo AOI inspection. If the AOI detects that multiple solar cells have slurry leakage, it means that the stencil may be punctured by foreign objects or other reasons, resulting in the slurry leaking onto the solar cells. At this time, the machine stops printing, and the stencil automatically reduces the screen distance to 0. The stencil is in close contact with the tabletop without squeezing the tabletop. The control mechanism controls the movement of the robotic arm 120 so that the working end 122 of the robotic arm 120 moves to the above-mentioned stencil to repair the slurry leakage position at the damaged area on the stencil surface.

[0045] Since the working end 122 of the robotic arm 120 is provided with a squeegee 210, an optical amplifier 410, a replenishing pen 310, and a blower 510. Therefore, the robotic arm 120 needs to move a certain position after each process to enable different components to operate. The control mechanism receives the AOI feedback signal, preliminarily confirms the damaged position on the stencil surface, and then controls the working end 122 of the robotic arm 120 to move to the damaged area on the stencil surface, and makes the squeegee 210 align with the damaged area on the stencil surface. The control mechanism controls the movement of the robotic arm 120 to enable the squeegee 210 on the robotic arm 120 to move to the damaged area on the stencil surface. After the control mechanism controls the first telescopic member 220 to drive the squeegee 210 to extend, the robotic arm 120 rotates to scrape the slurry and expose the stencil surface.

[0046] The control mechanism controls the fine adjustment of the position of the working end 122 of the robotic arm 120 and makes the optical amplifier 410 align with the damaged area on the stencil surface. The control mechanism controls the third telescopic member 420 to drive the optical amplifier 410 to extend, scans this area through the optical amplifier 410, specifically confirms the precise damaged position and damaged size. If the damaged size significantly exceeds the repair range, the repair is stopped and an alarm is given to remind the operator to replace the new stencil; if the damaged size is within the repair range, the specific position is located by the optical amplifier 410. The damaged size and the repair range can be set as needed. When alarming, it can be implemented by an alarm component. The alarm component is electrically connected to the control mechanism, and the alarm component can be one or several of a flashing light and a buzzer.

[0047] The control mechanism finely adjusts the position of the working end 122 of the robotic arm 120 and aligns the replenishing pen 310 with the damaged area on the surface of the screen printing plate. The control mechanism controls the second telescopic member 320 to drive the replenishing pen 310 to extend, and the control mechanism controls the replenishing pen 310 to drip a special glue for mending the damaged screen printing plate, and the glue fills and repairs the damaged area on the surface of the screen printing plate.

[0048] The control mechanism finely adjusts the position of the working end 122 of the robotic arm 120, the control mechanism controls the fourth telescopic member 530 to drive the air gun 510 to extend, and aligns the air gun 510 with the damaged area on the surface of the screen printing plate, and then the control mechanism controls the air gun 510 to blow air to dry the glue.

[0049] After the repair is completed, the control mechanism controls the robotic arm 120 to move and makes the squeegee 210 move to the replenished glue. The squeegee 210 is controlled to cut in and cut back two to three times to spread the paste evenly. When the screen printing plate returns to the screen distance in the printing state, the table paper of the printing machine table is rotated to avoid contaminating the table with the paste, and then the battery cells can be normally printed.

[0050] In summary, the above-mentioned screen printing plate replenishing device 10 can realize automatic replenishing operation, has a high replenishing efficiency, and avoids replenishing errors caused by differences in manual skills and secondary damage to the screen printing plate.

[0051] In the above embodiments, the descriptions of the various embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0052] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0053] The above embodiments only represent several implementation manners of the present invention. The descriptions are relatively specific and detailed, but should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

1. A screen liquid replenishing device (10), characterized in that: The invention comprises a multi-directional motion mechanism (100), a cleaning mechanism (200) and a liquid replenishing mechanism (300), wherein the cleaning mechanism (200) and the liquid replenishing mechanism (300) are both mounted on the multi-directional motion mechanism (100), the cleaning mechanism (200) is used to clean residual slurry at damaged portions of the screen surface, and the liquid replenishing mechanism (300) is used to replenish slurry to the damaged portions of the screen surface.

2. The screen liquid replenishing device (10) according to claim 1, characterized in that: The multi-directional motion mechanism (100) comprises a base (110) and a mechanical arm (120); a mounting end (121) of the mechanical arm (120) is mounted on the base (110); and a working end (122) of the mechanical arm (120) is connected to the cleaning mechanism (200) and the liquid replenishing mechanism (300).

3. The screen liquid replenishing device (10) according to claim 1, characterized in that: The cleaning mechanism (200) comprises a scraper (210), the scraper (210) being movably connected to the multi-directional motion mechanism (100), and the scraper (210) being used to clean residual slurry at damaged areas on the surface of the screen.

4. The screen liquid replenishing device (10) according to claim 3, characterized in that: The cleaning mechanism (200) further comprises a first telescopic component (220), the scraper (210) being connected to the multi-directional motion mechanism (100) via the first telescopic component (220), and the first telescopic component (220) being capable of driving the scraper (210) to perform telescopic motion to clean residual slurry at damaged areas on the screen surface.

5. The screen liquid replenishing device (10) according to any one of claims 1 to 4, characterized in that: The liquid replenishing mechanism (300) comprises a liquid replenishing pen (310), the liquid replenishing pen (310) being movably connected to the multi-directional motion mechanism (100), and the liquid replenishing pen (310) being used to replenish slurry to damaged areas on the screen surface.

6. The screen liquid replenishing device (10) according to claim 5, characterized in that: The liquid replenishing mechanism (300) further comprises a second telescopic component (320), the liquid replenishing pen (310) being connected to the multi-directional motion mechanism (100) via the second telescopic component (320), and the second telescopic component (320) being capable of driving the liquid replenishing pen (310) to perform telescopic movement so as to replenish slurry to damaged areas on the screen surface.

7. The screen liquid replenishing device (10) according to any one of claims 1 to 4 and 6, characterized in that: The screen liquid replenishing device (10) further comprises a detection mechanism (400), wherein the detection mechanism (400) comprises an optical amplifier (410), wherein the optical amplifier (410) is movably connected to the multi-directional motion mechanism (100), and wherein the optical amplifier (410) is used to confirm the position of a damaged part on the screen surface and the size of the damaged part.

8. The screen liquid replenishing device (10) according to claim 7, characterized in that: The detection mechanism (400) further comprises a third telescopic component (420), the optical amplifier (410) is connected to the multi-directional motion mechanism (100) via the third telescopic component (420), and the third telescopic component (420) is capable of driving the optical amplifier (410) to perform telescopic motion.

9. The screen liquid replenishing device (10) according to any one of claims 1 to 4, 6 and 8, characterized in that: The screen liquid replenishing device (10) further comprises an air drying mechanism (500), wherein the air drying mechanism (500) comprises an air gun (510) and an air duct (520), wherein the air gun (510) is mounted on the multi-directional motion mechanism (100), and one end of the air duct (520) is connected to the air gun (510) and the other end is used for connecting to an air source.

10. The screen liquid replenishing device (10) according to claim 9, characterized in that: The air-drying mechanism (500) further comprises a fourth telescopic component (530), the air gun (510) is connected to the multi-directional motion mechanism (100) via the fourth telescopic component (530), and the fourth telescopic component (530) is capable of driving the air gun (510) to perform telescopic motion.

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