CN115891408A

CN115891408A - Screen printing machine

Info

Publication number: CN115891408A
Application number: CN202211661245.XA
Authority: CN
Inventors: 易文辉
Original assignee: Suzhou Crane Optoelectronics Technology Co ltd
Current assignee: Suzhou Crane Optoelectronics Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of printing equipment, and discloses a screen printer which comprises a printing base, a screen printing module, a driving gear ring, a printing disc, a driving motor and a driving gear, wherein the screen printing module is arranged on the top surface of the printing base and used for screen printing on a glass panel; the driving gear is meshed with the driving gear ring, and the top surface of the printing disc is provided with a plurality of positioning structures for positioning the glass panel. This application has and improves to get and put the product and screen printing can not go on simultaneously for holistic production efficiency is slow effect.

Description

Screen printing machine

Technical Field

The invention relates to the technical field of printing equipment, in particular to a screen printing machine.

Background

In the processing process of the mobile phone or the glass panel, an ink printing process is carried out to increase the strength, so that the finished ink can be attached to the surface of the glass, and the strength of the glass is enhanced; in this case, a screen printing machine is required, which is a machine for printing characters and images, and performs printing on a flat printing material using a flat screen printing plate, generally, a squeegee presses a printing plate to move horizontally on the printing plate, and an oil film is printed on the surface of the printing material through a gap in the printing plate.

Chinese utility model patent as grant publication No. CN209580804U discloses a screen printing machine, including operation panel, installing frame and galley, the galley is installed on the installing frame, is equipped with the printing district more than two on the galley, and more than two hourglass material holes have been seted up in the printing district, and the installing frame presss from both sides tight frame under and including last clamp, and the one side that presss from both sides tight frame down is articulated with the operation panel, and the galley is in and presss from both sides tight frame under and between the tight frame, goes up to press from both sides tight frame and press from both sides the activity between the tight frame and be equipped with the locking Assembly with the galley chucking, and locking Assembly presss from both sides the galley and presss from both sides tight frame under and between the tight frame at last clamp.

In view of the above-mentioned related art, the inventor believes that if the screen printing machine performs the product picking and placing steps, the screen printing steps cannot be performed simultaneously; if when carrying out the screen printing step, get and put the product step and can not go on simultaneously, need the staff to put the glass panel earlier, then fall the printing plate and carry out the screen printing, the glass panel is taken out to the lift printing plate at last for holistic production efficiency is slow.

Disclosure of Invention

Get to put the product and screen printing can not go on simultaneously in order to improve for the slow problem of holistic production efficiency, this application provides screen printing machine.

The application provides a screen printing machine adopts following technical scheme:

the screen printing machine comprises a printing base, a screen printing module, a driving gear ring, a printing disc, a driving motor and a driving gear, wherein the screen printing module is arranged on the top surface of the printing base and is used for screen printing on a glass panel; the driving gear is meshed with the driving gear ring, and the top surface of the printing disc is provided with a plurality of positioning structures for positioning the glass panel.

By adopting the technical scheme, the driving motor drives the driving gear ring to rotate under the control of the system center, the rotating driving gear ring drives the printing disc to rotate, and when the printing panel rotates to the position right below the screen printing module, the screen printing module prints the glass panel; in the process of printing by the screen printing module, the worker can continue to pick and place the glass panel towards the positioning mechanism, so that the problems that the picking and placing of products and the screen printing cannot be carried out simultaneously and the overall production efficiency is slow are solved.

Optionally, the positioning structure includes a positioning flat plate fixed on the top surface of the printing disc, a printing panel arranged on the top surface of the positioning flat plate through a supporting foot, and a plurality of angle folding plates respectively close to four top corners of the printing panel; the bottom surface of the printing panel is provided with a guide mechanism for guiding the angle plates, and the top surface of the positioning flat plate is provided with a plurality of synchronous mechanisms for synchronously approaching or keeping away the angle plates from the printing panel.

Through adopting above-mentioned technical scheme, drive a plurality of folded angle board through lazytongs and gather together towards the printing panel center, four folded angle boards respectively butt in four apex angles of glass panels to realize that glass panels's position is corrected to the center of printing panel center and glass panels and is coincided each other, with this effect that appears crooked when avoiding glass panels to carry out printing ink printing as far as possible.

Optionally, the synchronizing mechanism includes a synchronous motor fixed on the top surface of the positioning plate, a synchronizing disc coaxially fixed at the end of the output shaft of the synchronous motor, and a plurality of synchronizing cylinders arranged on the bottom surface of the synchronizing disc near the circumferential edge of the synchronizing disc; the plurality of synchronous cylinders correspond to the plurality of angle plates one by one, and the synchronous cylinders and the corresponding angle plates are hinged together to form hinged straight rods.

Through adopting above-mentioned technical scheme, synchronous machine drives the synchronization disc rotatory, and the synchronization disc is rotatory as the axial through the axle center that drives synchronization cylinder and use synchronization disc, and a plurality of synchronization cylinder drives a plurality of folded angle board through articulated straight-bar respectively and gathers together or the dispersion towards the printing panel center, and the distance that synchronous motion's folded angle board gos forward is the same and can clip the glass panels simultaneously to this reaches and saves the required time of location, has improved work efficiency.

Optionally, an adsorption mechanism for fixing the top surface of the printing panel by a glass panel is arranged on the top surface of the printing panel, and the adsorption mechanism comprises a positioning groove arranged on the top surface of the printing panel and a panel through hole arranged on the top surface of the positioning panel; the panel through-hole with positioning groove is linked together, the border position of positioning groove notch encloses and has closed round rubber seal strip, the printing disc top surface is equipped with a plurality of and is used for the inboard gaseous power unit of pouring into or extracting of positioning groove.

Through adopting above-mentioned technical scheme, because it has the rubber seal strip to fill between glass panels and the printing panel, power unit passes through the inboard gas of panel through-hole extraction positioning groove for atmospheric pressure between glass panels and the positioning groove reduces, and external atmospheric pressure can compress tightly glass panels in printing panel top surface.

Optionally, the power mechanism includes a driving box fixed on the top surface of the printing panel, a driving cylinder fixed on the top surface of the driving box, and a driving airbag fixedly mounted on the inner bottom surface of the driving box; the output shaft of the driving air cylinder penetrates through the inner side of the driving box body and is fixedly provided with a driving panel, the driving panel is fixedly connected with the driving air bag, and the driving air bag is communicated with a panel through hole on the printing panel through an air pipe.

Through adopting above-mentioned technical scheme, compare in increasing and aerify and carminative equipment, power unit only need pour into or extract the inboard gas of positioning groove through the mode that drives actuating cylinder output shaft reciprocating motion, operates more convenient and saved manufacturing cost.

Optionally, the printing panel is provided with a plurality of supporting mechanisms for lifting the glass panel, each supporting mechanism includes a plurality of abutting straight rods vertically penetrating through the printing panel, the bottom ends of the abutting straight rods penetrate through the printing panel and the printing disc and penetrate through the inner side of the driving gear ring, the supporting mechanism further includes a limiting panel fixed at the bottom end of the abutting straight rod, and a compression spring is connected between the limiting panel and the printing disc; and a pressing mechanism for driving the pressing straight rods on the same printing panel to synchronously move upwards is arranged in the printing base.

By adopting the technical scheme, when the pressing degree of the glass panel due to external pressure is too large, the glass panel can be adsorbed on the top surface of the rubber sealing strip, and the pressing mechanism drives the top ends of the pressing straight rods to lift the glass, so that the effect of improving the difficulty in taking out the glass panel is achieved; meanwhile, the top surface of the glass panel is printed with ink, so that the printed glass panel is difficult to take, and a worker can take the glass panel from the bottom surface of the glass panel through the lifting mechanism.

Optionally, the pressing mechanism includes a pressing cylinder disposed inside the printing base, an output shaft of the pressing cylinder penetrates through the printing base and is fixed with a pressing plate, and the pressing plate can simultaneously press the plurality of pressing straight rods on each of the printing panels.

By adopting the technical scheme, after printing is finished, a worker checks whether the printing ink of the glass panel is qualified or not, and the unqualified product is cleaned and then is continuously printed; qualified products extend out of an output shaft of the qualified products through the abutting air cylinder and drive the abutting flat plate to move upwards, the upward abutting flat plate drives the abutting straight rods on the printing panels to move upwards, the top ends of the abutting straight rods abut against the glass panels and drive the glass panels to vertically move upwards, and the glass panels separated from the top surfaces of the printing panels are convenient for workers to take and place, so that the working efficiency is improved.

Optionally, the screen printing module includes a screen mother plate, a clamping mechanism for positioning the printing panel is arranged on the bottom surface of the screen mother plate, the clamping mechanism includes an assembly groove arranged on the bottom surface of the screen mother plate, and the plurality of folding plates of the printing panel can be clamped on the bottom surface of the screen mother plate through the assembly groove.

Through adopting above-mentioned technical scheme, four angle boards can be through equipment recess joint inside the screen mother set to this realizes confirming whether printing panel and screen mother set align through four angle boards. If the glass panels are not aligned, the screen master plate can not print the glass panels due to the abutting of the angle plates.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in the process of printing by the screen printing module, a worker can continue to pick and place the glass panel towards the positioning mechanism, so that the problem that the picking and placing of products and the screen printing cannot be carried out simultaneously and the overall production efficiency is slow is solved;

2. the top ends of the plurality of abutting straight rods are driven by the abutting mechanisms to lift the glass, so that the effect of improving the difficulty in taking out the glass panel is achieved; meanwhile, the top surface of the glass panel is printed with ink, so that the printed glass panel is difficult to take by hand, and a worker can take the glass panel through the bottom surface of the glass panel by the aid of the lifting mechanism;

3. the four corner plates can be clamped inside the screen mother board through the assembling grooves, so that whether the printing panel and the screen mother board are aligned or not is confirmed through the four corner plates.

Drawings

Fig. 1 is a schematic structural view of a screen printer in an embodiment of the present application.

Fig. 2 is an exploded view of a screen printer in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a positioning structure in an embodiment of the present application.

Fig. 4 is an exploded view of a positioning structure in an embodiment of the present application.

Fig. 5 is a structural schematic diagram of the matching of the screen master and the folding angle plate in the embodiment of the application.

Fig. 6 is a schematic sectional view showing the internal structure of the drive case in the embodiment of the present application.

Reference numerals: 11. a printing base; 12. a drive gear ring; 13. printing a disc; 14. a drive motor; 15. a drive gear; 16. a positioning structure; 17. positioning the flat plate; 18. printing a panel; 19. a guiding square cylinder; 20. a guide straight rod; 21. a corner folding plate; 22. a synchronous motor; 23. a synchronization disc; 24. a synchronization cylinder; 25. a straight rod is hinged; 26. screen mother set; 27. assembling the groove; 28. a positioning groove; 29. a rubber seal strip; 30. a panel through hole; 31. a driving box body; 32. a driving cylinder; 33. a driving panel; 34. driving the air bag; 35. pressing the through hole; 36. pressing the straight rod; 37. a limiting panel; 38. a compression spring; 39. pressing the air cylinder; 40. pressing the flat plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a screen printing machine. Referring to fig. 1 and 2, the screen printing machine includes a printing base 11, a driving ring gear 12 rotatably mounted on a top surface of the printing base 11, and a printing disk 13 coaxially fixed to a top surface of the driving ring gear 12. A driving motor 14 is arranged in the printing base 11, an output shaft of the driving motor 14 vertically penetrates through the printing base 11 upwards and is coaxially fixed with a driving gear 15, and the driving gear 15 is meshed with the driving gear ring 12. The top surface of the printing disc 13 is provided with a plurality of positioning structures 16 for positioning the glass panel, and the plurality of positioning structures 16 are arranged at equal intervals by taking the axis of the printing disc 13 as the circumference.

Referring to fig. 2-3, the positioning structure 16 includes a positioning plate 17 fixed on the top surface of the printing disc 13, a printing panel 18 for placing a glass panel is disposed above the positioning plate 17, the printing panel 18 is disposed on the top surface of the positioning plate 17 through four supporting legs, and the four supporting legs are respectively disposed at positions close to four top corners of the top surface of the positioning plate 17. Four guiding square cylinders 19 are fixedly mounted on the bottom surface of the printing panel 18, the four guiding square cylinders 19 are respectively arranged at the positions of four top corners of the bottom surface of the printing panel 18, and the four guiding square cylinders 19 are gathered towards the center of the printing panel 18. An opening is formed in the side wall, away from the center of the printing panel 18, of the guide square tube 19, a guide straight rod 20 horizontally penetrates through the opening of the guide square tube 19, a corner plate 21 is fixed to the end portion, away from the center of the printing panel 18, of the guide straight rod 20, and the corner plate 21 can abut against the vertex angle position of the glass panel.

Referring to fig. 2, 4 and 5, a synchronous motor 22 is fixed on the top surface of the positioning plate 17, a synchronous disc 23 is rotatably mounted at the center position of the bottom surface of the printing panel 18, and an output shaft of the synchronous motor 22 is coaxially and fixedly connected with the synchronous disc 23. The bottom surface of the synchronous disc 23 is provided with four synchronous cylinders 24 at positions close to the circumferential edge of the synchronous disc, the four synchronous cylinders 24 are arranged at equal intervals by taking the axis of the synchronous disc 23 as the circumferential direction, the four synchronous cylinders 24 are in one-to-one correspondence with the four corner plates 21, and the bottom ends of the synchronous cylinders 24 and the bottom ends of the corresponding corner plates 21 are hinged with hinged straight rods 25 together. The top surface of the printing base 11 is provided with a screen printing module for screen printing of the glass panel, a circle of assembling grooves 27 are arranged at the positions, close to the peripheral edges of the bottom surface of a screen master 26 of the screen printing module, of the screen master, and the four corner plates 21 of the printing panel 18 are clamped on the bottom surface of the screen master 26 together through the assembling grooves 27.

Referring to fig. 4 and 6, the top surface of the printing panel 18 is provided with a positioning groove 28, the positioning groove 28 is a groove structure formed by combining a plurality of linear grooves and shaped like a Chinese character 'mi', and a circle of rubber sealing strip 29 is enclosed at the edge position of the notch of the positioning groove 28. The position that the locating panel is close to printing disc 13 center has vertically seted up panel through-hole 30, and printing panel 18 top surface fixed mounting has a plurality of drive box 31, a plurality of drive box 31 and a plurality of printing panel 18 one-to-one. The top surface of the driving box body 31 is fixedly provided with a driving air cylinder 32, an output shaft of the driving air cylinder 32 vertically penetrates downwards into the driving box body 31, the end part of the output shaft of the driving air cylinder 32 is horizontally fixed with a driving panel 33, a driving air bag 34 is fixedly connected between the bottom surface of the driving panel 33 and the inner bottom surface of the driving box body 31, and the driving air bag 34 is fixedly connected with the corresponding printing panel 18 through an air pipe, so that the driving air bag 34 is communicated with the positioning groove 28 through a panel through hole 30.

Referring to fig. 2 and 4, the printing panel 18 is provided with two pressing through holes 35 penetrating through the upper and lower surfaces of the printing panel, and two pressing through holes 35 are respectively formed at positions of the printing panel 18 near two opposite sides of the printing panel. The printing panel 18 is vertically provided with a plurality of pressing straight rods 36 through a plurality of pressing through holes 35, and the bottom ends of the pressing straight rods 36 penetrate through the printing panel 18 and the printing disc 13 and penetrate through the inner side of the driving gear ring 12. The end part of the bottom end of the abutting straight rod 36 is fixedly provided with a limiting panel 37, a compression spring 38 is fixedly connected between the top surface of the limiting panel 37 and the bottom surface of the printing disc 13, and the compression spring 38 is sleeved on the periphery of the abutting straight rod 36. The inside of the printing base 11 is provided with a pressing cylinder 39, an output shaft of the pressing cylinder 39 vertically penetrates the printing base 11 upwards and is horizontally fixed with a pressing flat plate 40, and the pressing flat plate 40 can simultaneously press four pressing straight rods 36 on each printing panel 18.

The implementation principle of the screen printer in the embodiment of the application is as follows: firstly, put glass panels on the surface of printing panel 18, synchronous machine 22 is electrified to be started and drives synchronous disc 23 to rotate, synchronous disc 23 uses the axle center of synchronous disc 23 as the axial rotation through driving four synchronous cylinders 24, four synchronous cylinders 24 drive four angle folding plates 21 to gather towards the center of printing panel 18 through hinged straight rod 25 respectively, four angle folding plates 21 are respectively abutted at four apex angle positions of glass panels, thereby realizing that the position of glass panels is corrected to coincide with the center of printing panel 18 and glass panels. Then the synchronous motor 22 is powered on and drives the synchronous disc 23 to rotate reversely, and the synchronous disc 23 rotating reversely drives the four corner plates 21 to disperse towards the center of the printing panel 18 until the four corner plates 21 return to the initial positions.

Meanwhile, the pressing cylinder 39 contracts the output shaft of the pressing cylinder 39 and drives the air bag 34 to be opened through the driving panel 33, and the rubber sealing strip 29 is filled between the glass panel and the printing panel 18, so that the air bag 34 is driven to extract air inside the positioning groove 28 through the panel through hole 30, and the glass panel is adsorbed to the top surface of the printing panel 18. The driving motor 14 realizes intermittent movement through the control of the system center, the driving motor 14 drives the driving gear ring 12 to rotate through the driving gear 15, and the rotating driving gear ring 12 drives the printing disc 13 to intermittently move. When the printing panel 18 rotates to a position right below the screen master 26, then the screen master 26 vertically moves downwards until the bottom surface of the screen master 26 abuts against the surface to be printed of the glass panel, at this time, the four corner plates 21 are clamped inside the screen master 26 through the assembling grooves 27, and thus whether the printing panel 18 and the screen master 26 are aligned or not is confirmed through the four corner plates 21.

After the screen printing is finished, the driving motor 14 drives the printing disc 13 to rotate continuously through the meshing relationship between the driving gear 15 and the driving gear ring 12, and when the printed glass panel rotates to the position right in front of the printing base 11, a worker checks whether the ink printing is qualified. The unqualified product is subjected to cleaning treatment and then is continuously subjected to printing operation; qualified products extend out of the output shaft of the qualified products through the driving air cylinder 32 and press the driving air bag 34 downwards, the driving air bag 34 inflates towards the inner side of the positioning groove 28 through the panel through hole 30, then the abutting air cylinder 39 extends out of the output shaft of the qualified products and drives the abutting flat plate 40 to move upwards, the upward moving abutting flat plate 40 drives the abutting straight rods 36 on the printing panels 18 to move upwards, the top ends of the abutting straight rods 36 abut against the glass panels and drive the glass panels to vertically move upwards, and the glass panels separated from the top surfaces of the printing panels 18 are convenient for taking and placing of workers.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Screen printing machine, including printing base (11) and locate printing base (11) top surface is used for the screen printing module to glass panels screen printing, its characterized in that: the printing device is characterized by also comprising a driving gear ring (12) rotatably mounted on the top surface of the printing base (11), a printing disc (13) coaxially fixed on the top surface of the driving gear ring (12), a driving motor (14) arranged in the printing base (11), and a driving gear (15) coaxially fixed on the end part of an output shaft of the driving motor (14); the driving gear (15) is meshed with the driving gear ring (12), and the top surface of the printing disc (13) is provided with a plurality of positioning structures (16) for positioning glass panels.

2. The screen printing machine according to claim 1, wherein: the positioning structure (16) comprises a positioning flat plate (17) fixed on the top surface of the printing disc (13), a printing panel (18) arranged on the top surface of the positioning flat plate (17) through a supporting frame, and a plurality of corner plates (21) respectively close to four top corners of the printing panel (18); the bottom surface of the printing panel (18) is provided with a guide mechanism for guiding the angle folding plates (21), and the top surface of the positioning flat plate (17) is provided with a synchronous mechanism for enabling a plurality of angle folding plates (21) to synchronously approach or leave the printing panel (18).

3. The screen printing machine according to claim 2, wherein: the synchronous mechanism comprises a synchronous motor (22) fixed on the top surface of the positioning flat plate (17), a synchronous disc (23) coaxially fixed at the end part of an output shaft of the synchronous motor (22), and a plurality of synchronous cylinders (24) arranged on the bottom surface of the synchronous disc (23) and close to the circumferential edge of the synchronous cylinders; the plurality of synchronous cylinders (24) are in one-to-one correspondence with the plurality of angle folding plates (21), and the synchronous cylinders (24) and the corresponding angle folding plates (21) are hinged with hinged straight rods (25) together.

4. The screen printing machine according to claim 2, wherein: the top surface of the printing panel (18) is provided with an adsorption mechanism for fixing the top surface of the printing panel (18) by a glass panel, and the adsorption mechanism comprises a positioning groove (28) arranged on the top surface of the printing panel (18) and a panel through hole (30) arranged on the top surface of the positioning panel; panel through-hole (30) with positioning groove (28) are linked together, the border position of positioning groove (28) notch encloses and has closed round rubber seal strip (29), printing disc (13) top surface is equipped with a plurality of and is used for the power unit of positioning groove (28) inboard gaseous pouring or extraction.

5. The screen printing machine according to claim 4, wherein: the power mechanism comprises a driving box body (31) fixed on the top surface of the printing panel (18), a driving cylinder (32) fixed on the top surface of the driving box body (31), and a driving air bag (34) fixedly arranged on the inner bottom surface of the driving box body (31); the output shaft of the driving air cylinder (32) penetrates through the inner side of the driving box body (31) and is fixedly provided with a driving panel (33), the driving panel (33) is fixedly connected with the driving air bag (34), and the driving air bag (34) is communicated with a panel through hole (30) on the printing panel (18) corresponding to the air pipe.

6. The screen printing machine according to claim 4, wherein: the printing panel (18) is provided with a plurality of supporting mechanisms for lifting the glass panel, each supporting mechanism comprises a plurality of abutting straight rods (36) vertically penetrating through the printing panel (18), the bottom ends of the abutting straight rods (36) penetrate through the printing panel (18) and the printing disc (13) and penetrate through the inner side of the driving gear ring (12), each supporting mechanism further comprises a limiting panel (37) fixed at the bottom end of the abutting straight rod (36), and a compression spring (38) is connected between the limiting panel (37) and the printing disc (13); a pressing mechanism for driving the pressing straight rods (36) on the same printing panel (18) to synchronously move upwards is arranged in the printing base (11).

7. The screen printing machine according to claim 6, wherein: the pressing mechanism comprises a pressing cylinder (39) arranged in the printing base (11), an output shaft of the pressing cylinder (39) penetrates through the printing base (11) and is fixed with a pressing flat plate (40), and the pressing flat plate (40) can simultaneously press the plurality of pressing straight rods (36) on the printing panels (18).

8. The screen printing machine according to claim 2, wherein: the screen printing module comprises a screen master (26), a clamping mechanism used for positioning the printing panel (18) is arranged on the bottom surface of the screen master (26), the clamping mechanism comprises an assembling groove (27) arranged on the bottom surface of the screen master (26), and the corner plates (21) of the printing panel (18) can be clamped on the bottom surface of the screen master (26) through the assembling groove (27) together.