Screen printing device

Abstract

The screen printing device comprises a top plate and a bottom plate, sliding columns are fixedly installed between the top plate and the bottom plate, a first electric push rod is fixedly installed on the upper surface of the top plate, a piston rod of the first electric push rod penetrates through the top plate and is fixedly provided with a sliding plate, and the four corners of the sliding plate are installed on the outer surfaces of the sliding columns in a sliding mode. A second electric push rod is fixedly mounted on the upper surface of the sliding plate, a mounting plate is fixedly mounted at one end of a piston rod of the second electric push rod, a silk screen mechanism is fixedly mounted at one end of the mounting plate, a silk screen plate is fixedly mounted at one end of the sliding plate, an L-shaped connecting rod is fixedly mounted on the upper surface of the bottom plate, and a discharging mechanism is rotationally mounted on the upper surface of the L-shaped connecting rod. Through the design of the discharging mechanism, the automatic discharging function is achieved, and automatic discharging means that the requirement for manual intervention is reduced, so that the labor cost can be reduced, waiting for intervention of operators is not needed, the production period can be shortened, and the production efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of touch screen production, in particular to a silk screen printing device. Background Art

[0002] Silk screen printing is a common manufacturing process used to print circuits, text or graphics on a substrate. For the production of touch screens, the silk screen printing device plays a key role. Touch screens are usually composed of multiple layers, including a glass substrate, a conductive layer, a dielectric layer and an outer protective layer. The silk screen device is mainly used to print the conductive layer and other necessary layers in order to create the circuits and structures required for touch screens.

[0003] For example, the patent with the national authorized patent announcement number CN206231038U discloses an automatic screen printing device for a mobile phone touch screen, including a frame, a screen printing base, a dust removal mechanism, a screen printing mechanism, a drying mechanism, a material receiving table, a manipulator and a programmable controller; a work surface is provided above the frame, and four equal-length support rods are fixedly connected to the upper end surface of the work surface, and the screen printing base can be slidably installed on the support rods. A rotating disk is installed on the upper end surface of the work surface in the space surrounded by the four support rods, and the rotating disk is located directly below the screen printing base. A dust removal mechanism, a screen printing mechanism, a drying mechanism and a material receiving table are sequentially arranged on the rotating disk along the circumference, and the manipulator is installed on the upper end surface of the work surface. The utility model uses a programmable controller to control the manipulator to complete the process of automatically picking up and placing products. The device has a high degree of automation, a simple structure, and is easy to operate. It avoids the contamination caused by taking the screen printing products by hand, can quickly take samples, and greatly improves production efficiency.

[0004] However, the above-mentioned automatic screen printing device for mobile phone touch screen cannot automatically unload the substrate of the touch screen after printing, and manual intervention is required to remove the printed substrate from the screen printing device, which increases the production cycle and the operation time of the staff and reduces the production efficiency. Utility Model Content

[0005] The utility model aims to provide a screen printing device to solve the problem in the background art that the substrate of the touch screen cannot be automatically unloaded after printing.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A screen printing device, comprising: a top plate and a bottom plate, a sliding column is fixedly installed between the top plate and the bottom plate, a first electric push rod is fixedly installed on the upper surface of the top plate, a piston rod of the first electric push rod passes through the top plate and is fixedly installed with a sliding plate, four corners of the sliding plate are slidably installed on the outer surface of the sliding column, a second electric push rod is fixedly installed on the upper surface of the sliding plate, one end of the piston rod of the second electric push rod is fixedly installed with a mounting plate, one end of the mounting plate is fixedly installed with a screen printing mechanism, the screen printing mechanism can scrape inside a screen plate, and the screen plate is fixedly installed at one end of the sliding plate;

[0008] Among them, an L-shaped connecting rod is fixedly installed on the upper surface of the base plate, and a unloading mechanism is rotatably installed on the upper surface of the L-shaped connecting rod. A touch screen can be placed on the upper surface of the unloading mechanism, and the upper surface of the unloading mechanism can be driven by the silk-screen printing mechanism to touch the silk screen plate. A storage box is fixedly installed on one end of the outer surface of the sliding column, and the storage box can store the touch screen unloaded by the unloading mechanism.

[0009] Preferably, the silk-screen printing mechanism includes a third electric push rod, which is fixedly mounted on one end of the mounting plate, a connecting plate is fixedly mounted on the upper surface of the piston rod of the third electric push rod, a connecting column is fixedly mounted on the lower surface of the connecting plate, a docking plate is slidably mounted on the outer surface of the connecting column, a Y-shaped clamp is fixedly mounted on the lower surface of the docking plate, and a scraper is fixedly mounted on the lower surface of the Y-shaped clamp.

[0010] Preferably, the scraper can be pulled down and pushed into the screen plate by a third electric push rod.

[0011] Preferably, a spring is sleeved on the outer surface of the connecting column, and the upper and lower ends of the spring are respectively fixedly connected to the lower surface of the connecting plate and the upper surface of the docking plate.

[0012] Preferably, the unloading mechanism includes a fourth electric push rod, which is rotatably mounted on the upper surface of the L-shaped connecting rod, and one end of the piston rod of the fourth electric push rod is rotatably mounted on the outer surface of the fastening plate, and the fastening plate is fixedly mounted on the lower surface of the unloading plate, and the unloading plate is rotatably mounted on the upper surface of the L-shaped connecting rod. A placement plate is fixedly mounted on the upper surface of the unloading plate, and an embedded groove matching the touch screen is opened on the upper surface of the placement plate for placing the touch screen.

[0013] Preferably, a guide plate is fixedly mounted on one end of the unloading plate, and the guide plate can allow the touch screen to slide from the placement plate into the storage box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Through the design of the screen printing mechanism, the unloading mechanism, the first electric push rod, the second electric push rod and the screen plate, when printing the substrate of the touch screen, the staff can place the touch screen on the upper surface of the unloading mechanism, and then start the first electric push rod to push the sliding plate to move vertically downward on the outer surface of the sliding column, and the sliding column can drive the screen plate at one end to press down and touch the upper surface of the touch screen on the upper surface of the unloading mechanism, and then start the screen printing mechanism to press down into the screen plate, and finally start the second electric push rod to push and pull the screen printing mechanism back and forth in the screen plate to scrape back and forth, so that the conductive ink or other materials in the screen plate can be evenly printed on the substrate surface of the touch screen, after printing is completed, the first electric push rod can lift the sliding plate and the screen plate, and then start the unloading mechanism to dump the printed touch screen into the storage box, so that it has the function of automatic unloading, and automatic unloading means reducing the need for manual intervention, so it can reduce labor costs, especially in long-term continuous production, this advantage is particularly obvious, and there is no need to wait for the operator to intervene, which can also reduce the production cycle and improve production efficiency.

[0016] 2. Through the design of the third electric push rod, the connecting plate, the connecting column, the spring, the docking plate and the scraper, when printing on the substrate of the touch screen, the staff can place the touch screen on the upper surface of the discharge mechanism, and then start the first electric push rod to push the sliding plate to move vertically downward on the outer surface of the sliding column, and the sliding column can drive the screen plate at one end to press down and touch the upper surface of the touch screen on the upper surface of the discharge mechanism, and then start the third electric push rod to pull down the connecting plate, and the connecting plate can drive the docking plate installed on the lower surface to drive the scraper to press into the screen plate, and then start the second electric push rod to push and pull the third electric push rod reciprocatingly and drive the scraper to scrape back and forth in the screen plate, so that the conductive ink or other materials in the screen plate can be evenly printed on the substrate surface of the touch screen;

[0017] After the connecting plate pushes the docking plate to drive the scraper to touch the screen plate, if the thrust is continued to be applied to the docking plate, the docking plate will slide upward on the outer surface of the connecting column on the lower surface of the connecting plate. The outer surface of the connecting column is equipped with a spring, which will press the docking plate against one end of the spring. The spring will apply an elastic force to the docking plate, so that the docking plate can drive the scraper to touch the screen plate again through the elastic force. The elastic force can ensure uniform contact and pressure between the scraper and the screen plate, which helps to ensure that the material is evenly transferred to the substrate surface during the printing process, thereby improving the printing quality and consistency.

[0018] 3. Through the design of the fourth electric push rod, the unloading plate, the guide plate and the placement plate, after the printing of the touch screen is completed, the fourth electric push rod can be started to pull the piston rod and pull the unloading plate to an inclined state. The touch screen in the placement plate will slide into the guide plate through the inclined unloading plate, and the touch screen can slide along the guide plate into the storage box for storage, so that it has the function of automatic unloading. Automatic unloading means reducing the need for manual intervention, so it can reduce labor costs. Especially in long-term continuous production, this advantage is particularly obvious, and there is no need to wait for the operator to intervene, which can also reduce the production cycle and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the wire mesh plate of the utility model;

[0021] Figure 3 It is a schematic diagram of the unloading mechanism of the utility model unloading the touch screen in an inclined manner;

[0022] Figure 4 This is a schematic diagram of the structure of the second electric push rod and the mounting plate of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the screen printing mechanism of the utility model;

[0024] Figure 6 This is a schematic diagram of the placement plate and guide plate structure of the utility model;

[0025] Figure 7 It is a schematic diagram of the structure of the unloading mechanism of the utility model.

[0026] In the figure: 1. bottom plate; 101. sliding column; 102. top plate; 103. L-shaped connecting rod; 104. material storage box; 2. first electric push rod; 201. sliding plate; 202. second electric push rod; 203. mounting plate; 204. screen plate; 3. screen printing mechanism; 301. third electric push rod; 302. connecting plate; 303. connecting column; 304. spring; 305. docking plate; 306. Y-shaped clamp; 307. scraper; 4. unloading mechanism; 401. fourth electric push rod; 402. unloading plate; 403. guide plate; 404. placement plate; 405. fastening plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 7 , the utility model provides the following technical solutions:

[0029] like Figure 1-Figure 4 As shown, a screen printing device comprises: a top plate 102 and a bottom plate 1, a sliding column 101 is fixedly installed between the top plate 102 and the bottom plate 1, a first electric push rod 2 is fixedly installed on the upper surface of the top plate 102, a piston rod of the first electric push rod 2 passes through the top plate 102 and is fixedly installed with a sliding plate 201, four corners of the sliding plate 201 are slidably installed on the outer surface of the sliding column 101, a second electric push rod 202 is fixedly installed on the upper surface of the sliding plate 201, a mounting plate 203 is fixedly installed on one end of the piston rod of the second electric push rod 202, a screen printing mechanism 3 is fixedly installed on one end of the mounting plate 203, the screen printing mechanism 3 can scrape inside a screen plate 204, and the screen plate 204 is fixedly installed on one end of the sliding plate 201;

[0030] Among them, an L-shaped connecting rod 103 is fixedly installed on the upper surface of the base plate 1, and a unloading mechanism 4 is rotatably installed on the upper surface of the L-shaped connecting rod 103. A touch screen can be placed on the upper surface of the unloading mechanism 4, and the upper surface of the unloading mechanism 4 can be driven by the silk-screen printing mechanism 3 to touch the silk screen plate 204. A storage box 104 is fixedly installed on one end of the outer surface of the sliding column 101, and the storage box 104 can store the touch screen unloaded by the unloading mechanism 4.

[0031] Through the design of the screen printing mechanism 3, the unloading mechanism 4, the first electric push rod 2, the second electric push rod 202 and the screen plate 204, when printing on the substrate of the touch screen, the staff can place the touch screen on the upper surface of the unloading mechanism 4, and then start the first electric push rod 2 to push the sliding plate 201 to move vertically downward on the outer surface of the sliding column 101, and the sliding column 101 can drive the screen plate 204 at one end to press down and touch the upper surface of the touch screen on the upper surface of the unloading mechanism 4, and then start the screen printing mechanism 3 to press into the screen plate 204, and finally start the second electric push rod 202 to push and pull the screen printing mechanism 3 on the screen The reciprocating scraping inside the plate 204 can evenly print the conductive ink or other materials in the screen plate 204 on the substrate surface of the touch screen. After printing is completed, the first electric push rod 2 can lift the sliding plate 201 and the screen plate 204, and then the unloading mechanism 4 can be started to dump the printed touch screen into the storage box 104, so that it has the function of automatic unloading. Automatic unloading means reducing the need for manual intervention, thereby reducing labor costs. This advantage is particularly obvious in long-term continuous production, and there is no need to wait for operators to intervene, which can also reduce production cycles and improve production efficiency.

[0032] like Figure 5 As shown, the screen printing mechanism 3 includes a third electric push rod 301, which is fixedly mounted on one end of the mounting plate 203, a connecting plate 302 is fixedly mounted on the upper surface of the piston rod of the third electric push rod 301, a connecting column 303 is fixedly mounted on the lower surface of the connecting plate 302, a docking plate 305 is slidably mounted on the outer surface of the connecting column 303, a Y-shaped clamp 306 is fixedly mounted on the lower surface of the docking plate 305, and a scraper 307 is fixedly mounted on the lower surface of the Y-shaped clamp 306.

[0033] The scraper 307 can be pulled down and pushed into the screen plate 204 by the third electric push rod 301 .

[0034] A spring 304 is sleeved on the outer surface of the connecting column 303 , and the upper and lower ends of the spring 304 are fixedly connected to the lower surface of the connecting plate 302 and the upper surface of the docking plate 305 respectively.

[0035] Through the design of the third electric push rod 301, the connecting plate 302, the connecting column 303, the spring 304, the docking plate 305 and the scraper 307, when printing on the substrate of the touch screen, the staff can place the touch screen on the upper surface of the discharge mechanism 4, and then start the first electric push rod 2 to push the sliding plate 201 to move vertically downward on the outer surface of the sliding column 101, and the sliding column 101 can drive the screen plate 204 at one end to press down and touch the upper surface of the touch screen on the upper surface of the discharge mechanism 4, and then start the third electric push rod 301 to pull down the connecting plate 302, and the connecting plate 302 can drive the docking plate 305 slidably installed on the lower surface to drive the scraper 307 to press into the screen plate 204, and then start the second electric push rod 202 to push and pull the third electric push rod 301 reciprocatingly and drive the scraper 307 to scrape reciprocatingly in the screen plate 204, so that the conductive ink or other materials in the screen plate 204 can be evenly printed on the substrate surface of the touch screen;

[0036] After the connecting plate 302 pushes the docking plate 305 to drive the scraper 307 to touch the screen plate 204, if the thrust is continued to be applied to the docking plate 305, the docking plate 305 will slide upward on the outer surface of the connecting column 303 on the lower surface of the connecting plate 302. The outer surface of the connecting column 303 is provided with a spring 304, which will cause the docking plate 305 to press against one end of the spring 304. The spring 304 will apply an elastic force to the docking plate 305, so that the docking plate 305 can drive the scraper 307 to touch the screen plate 204 again through the elastic force. The elastic force can ensure uniform contact and pressure between the scraper 307 and the screen plate 204, which helps to ensure that the material is evenly transferred to the substrate surface during the printing process, thereby improving the printing quality and consistency.

[0037] like Figure 6-Figure 7 As shown, the unloading mechanism 4 includes a fourth electric push rod 401, which is rotatably mounted on the upper surface of the L-shaped connecting rod 103, and one end of the piston rod of the fourth electric push rod 401 is rotatably mounted on the outer surface of the fastening plate 405. The fastening plate 405 is fixedly mounted on the lower surface of the unloading plate 402, and the unloading plate 402 is rotatably mounted on the upper surface of the L-shaped connecting rod 103. A placement plate 404 is fixedly mounted on the upper surface of the unloading plate 402, and an upper surface of the placement plate 404 is provided with an embedded groove that matches the touch screen for placing the touch screen.

[0038] A guide plate 403 is fixedly mounted on one end of the unloading plate 402 , and the guide plate 403 can allow the touch screen to slide from the placement plate 404 into the storage box 104 .

[0039] Through the design of the fourth electric push rod 401, the unloading plate 402, the guide plate 403 and the placement plate 404, after the printing of the touch screen is completed, the fourth electric push rod 401 can be started to pull the piston rod and pull the unloading plate 402 to an inclined state. The touch screen in the placement plate 404 will slide into the guide plate 403 through the inclined unloading plate 402, and the touch screen can slide along the guide plate 403 into the storage box 104 for storage, so that it has the function of automatic unloading. Automatic unloading means reducing the need for manual intervention, thereby reducing labor costs. This advantage is particularly obvious in long-term continuous production, and there is no need to wait for operators to intervene, which can also reduce production cycles and improve production efficiency.

[0040] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when printing on the substrate of the touch screen, the staff can place the touch screen on the upper surface of the placement plate 404, and then start the first electric push rod 2 to push the sliding plate 201 to move vertically downward on the outer surface of the sliding column 101, and the sliding column 101 can drive the screen plate 204 at one end to press down and touch the upper surface of the touch screen on the upper surface of the unloading mechanism 4, and then start the third electric push rod 301 to pull down the connecting plate 302, and the connecting plate 302 can drive the docking plate 305 slidably installed on the lower surface to drive the scraper 307 to press into the screen plate 204, and then start the second electric push rod 202 to push and pull the third electric push rod 301 reciprocatingly and drive the scraper 307 on the screen plate By scraping back and forth in 204, the conductive ink or other materials in the screen plate 204 can be evenly printed on the substrate surface of the touch screen. After printing is completed, the first electric push rod 2 can lift the sliding plate 201 and the screen plate 204, and then the piston rod can be pulled by starting the fourth electric push rod 401 to tilt the unloading plate 402, and the touch screen in the placement plate 404 will slide into the guide plate 403 through the inclined unloading plate 402, so that the touch screen can slide along the guide plate 403 into the storage box 104 for storage, so that it has the function of automatic unloading. After unloading is completed, the fourth electric push rod 401 can push the unloading plate 402 to rotate horizontally again, so that the staff can fill the touch screen again for printing operations.

[0041] In summary: it has the function of automatic unloading, which means reducing the need for manual intervention, thereby reducing labor costs. This advantage is particularly evident in long-term continuous production, and there is no need to wait for operator intervention, which can also reduce production cycles and improve production efficiency.

[0042] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A screen printing device, characterized in that: include: A top plate (102) and a bottom plate (1), a sliding column (101) is fixedly installed between the top plate (102) and the bottom plate (1), a first electric push rod (2) is fixedly installed on the upper surface of the top plate (102), a piston rod of the first electric push rod (2) passes through the top plate (102) and is fixedly installed with a sliding plate (201), four corners of the sliding plate (201) are slidably installed on the outer surface of the sliding column (101), a second electric push rod (202) is fixedly installed on the upper surface of the sliding plate (201), one end of the piston rod of the second electric push rod (202) is fixedly installed with a mounting plate (203), one end of the mounting plate (203) is fixedly installed with a silk screen mechanism (3), the silk screen mechanism (3) is capable of scraping inside a silk screen plate (204), and the silk screen plate (204) is fixedly installed at one end of the sliding plate (201); An L-shaped connecting rod (103) is fixedly mounted on the upper surface of the bottom plate (1), a discharge mechanism (4) is rotatably mounted on the upper surface of the L-shaped connecting rod (103), a touch screen can be placed on the upper surface of the discharge mechanism (4), the upper surface of the discharge mechanism (4) can be driven by the screen printing mechanism (3) to contact the screen plate (204), and a storage box (104) is fixedly mounted on one end of the outer surface of the sliding column (101), and the storage box (104) can store the touch screen removed by the discharge mechanism (4).

2. A screen printing device according to claim 1, characterized in that: The screen printing mechanism (3) comprises a third electric push rod (301), the third electric push rod (301) is fixedly mounted on one end of the mounting plate (203), a connecting plate (302) is fixedly mounted on the upper surface of the piston rod of the third electric push rod (301), a connecting column (303) is fixedly mounted on the lower surface of the connecting plate (302), a docking plate (305) is slidably mounted on the outer surface of the connecting column (303), a Y-shaped clamp (306) is fixedly mounted on the lower surface of the docking plate (305), and a scraper (307) is fixedly mounted on the lower surface of the Y-shaped clamp (306).

3. A screen printing device according to claim 2, characterized in that: The scraper (307) can be pulled down and pushed into the screen plate (204) by the third electric push rod (301).

4. A screen printing device according to claim 2, characterized in that: The outer surface of the connecting column (303) is sleeved with a spring (304), and the upper and lower ends of the spring (304) are respectively fixedly connected to the lower surface of the connecting plate (302) and the upper surface of the docking plate (305).

5. A screen printing device according to claim 1, characterized in that: The unloading mechanism (4) comprises a fourth electric push rod (401), the fourth electric push rod (401) is rotatably mounted on the upper surface of the L-shaped connecting rod (103), one end of the piston rod of the fourth electric push rod (401) is rotatably mounted on the outer surface of the fastening plate (405), the fastening plate (405) is fixedly mounted on the lower surface of the unloading plate (402), the unloading plate (402) is rotatably mounted on the upper surface of the L-shaped connecting rod (103), a placement plate (404) is fixedly mounted on the upper surface of the unloading plate (402), and an embedded groove matching the touch screen is provided on the upper surface of the placement plate (404) for placing the touch screen.

6. A screen printing device according to claim 5, characterized in that: A guide plate (403) is fixedly mounted on one end of the unloading plate (402), and the guide plate (403) can allow the touch screen to slide from the placement plate (404) into the storage box (104).

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