Screen printing mechanism
By designing a screen printing mechanism with multi-level angle adjustment, the problem of screen printing with a fixed squeegee angle was solved, which improved the yield and production efficiency, simplified the operation process, and reduced costs.
Patent Information
- Application Number
- CN202422222870.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The fixed angle of the squeegee in existing screen printing machines makes it easy for the print to come off or deviate during the screen printing process, resulting in a high rework rate, low production efficiency, and cumbersome tool replacement, which consumes manpower and resources.
A screen printing mechanism was designed, comprising a printing component, a squeegee lifting component, a horizontal drive component, and a lifting drive component. The squeegee and squeegee plate are adjusted to multiple angles through an angle adjustment module, making it suitable for screen printing on different types of tempered glass screens.
It improves yield and production efficiency, simplifies operation procedures, reduces labor and material costs, and enhances the applicability and effectiveness of screen printing.
Smart Images

Figure CN223520417U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of screen toughened film silk screen printing, in particular to a silk screen printing mechanism. BACKGROUND
[0002] The silk screen printing mechanism is used for printing the screen toughened film on the printing screen under the action of the scraper driven by the lifting driving device. During the printing process, the rotation angle of the scraper needs to be adjusted when printing different materials, materials with different viscosities and oil prints with different thicknesses. However, the angle of the scraper of the existing silk screen printing machine is fixed, which may cause off-printing, deviation and other silk screen printing defects during the silk screen printing process, resulting in high rework rate, high manufacturing cost, low production efficiency and other problems. In addition, when printing ink with different depths, the staff needs to replace the tool and adjust it, which is complicated and requires a lot of manpower and material resources. SUMMARY
[0003] The utility model provides a kind of silk screen printing mechanism, can carry out multistage angle adjustment to squeegee and squeegee plate, to obtain the best squeezer processing angle, it is applicable to the silk screen printing processing of various types of toughened film screen, greatly improve yield and production efficiency, and with Simple structure, easy to operate and other characteristics.
[0004] The technical scheme adopted by the silk screen printing mechanism disclosed by the utility model is as follows:
[0005] The silk screen printing mechanism comprises a printing assembly, a squeegee lifting assembly, a horizontal driving assembly and a lifting driving assembly. The squeegee lifting assembly is drivingly connected with the printing assembly. The horizontal driving assembly is drivingly connected with the squeegee lifting assembly. The lifting driving assembly is drivingly connected with the horizontal driving assembly. The printing assembly comprises a printing screen, a fixed frame, a movable cylinder, a silk screen printing module and an angle adjustment module. The fixed frame is installed on both sides of the horizontal driving assembly. Both ends of the fixed frame clamp both ends of the printing screen. The silk screen printing module faces the printing screen below. The angle adjustment module comprises a connecting block, a sliding rod and a U-shaped locking block. One end of the connecting block is connected with the output end of the movable cylinder. The other end of the connecting block is movably connected with the U-shaped locking block through the sliding rod. The U-shaped locking block is provided with a clamping portion at the top, and the side surface of the clamping portion is provided with a bolt hole. The U-shaped locking block is in a clamped state by installing a bolt in the bolt hole. The lower end of the U-shaped locking block is connected with the silk screen printing module.
[0006] As a preferred scheme, the silk screen printing module comprises a fixed clamp jaw, a pressing block, a squeegee and a squeegee plate. The clamp jaw opening of the fixed clamp jaw is connected with the pressing block. The squeegee and the squeegee plate are arranged between the pressing block and the fixed clamp jaw. The top of the fixed clamp jaw is provided with an operation knob. The bottom of the operation knob abuts against the top of the pressing block.
[0007] As a preferred scheme, the ink scraping lifting assembly comprises a connecting block, a mounting plate and a telescopic motor, the surface of the mounting plate is provided with a first linear guide rail, a first sliding plate is slidably connected to the first linear guide rail, one end of the connecting block is fixedly connected with the first sliding plate, the other end of the connecting block is fixedly connected with the printing assembly, the telescopic motor is fixedly installed on the top of the mounting plate, the output end of the telescopic motor is connected with the top end of the first sliding plate, and the other surface of the mounting plate is drivingly connected with the horizontal driving assembly.
[0008] As a preferred scheme, the horizontal driving assembly comprises a containing box, a cover plate and a positioning module, the containing box is internally provided with a second linear guide rail, a mounting sliding plate and a limiting sliding plate are slidably connected to the second linear guide rail, one side of the mounting sliding plate is drivingly connected with the ink scraping lifting assembly, the positioning module comprises a limiting block mounted in the containing box, the cover plate and the limiting block are both provided with the same waist-shaped groove, the cover plate is installed on the top of the containing box, the waist-shaped groove is internally provided with a locking bolt, the locking bolt penetrates through the cover plate and the limiting block and abuts against the limiting sliding plate, the limiting sliding plate is fixedly connected with the fixing frame, and the rear side of the containing box is provided with a transmission motor, the transmission motor is drivingly connected with the mounting sliding plate.
[0009] As a preferred scheme, the lifting driving assembly comprises a containing box, a driving motor and a fixing plate, the containing box is internally provided with a third linear guide rail and a lead screw, a second sliding plate is slidably connected to the third linear guide rail, the lead screw is drivingly connected with the second sliding plate, one end of the lead screw is drivingly connected with the driving motor, one side of the containing box is provided with an opening, the second sliding plate is fixedly connected with a connecting plate, the other end of the connecting plate is connected with the fixing plate through the opening, and the other end of the fixing plate is connected with the horizontal driving assembly.
[0010] As a preferred scheme, the inner wall of the containing cavity box is provided with a plurality of position sensors, one group of position sensors is arranged at the upper end of the containing box, another group of position sensors is arranged at the lower end of the containing box, and the surface of the second sliding plate is provided with a sensing sheet.
[0011] The angle adjusting member in the screen printing module can adjust the angle of the ink scraping knife and the ink scraping plate. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 Fig. 1 is a structural schematic diagram of the screen printing mechanism of the present application.
[0013] Figure 2 Fig. 2 is a structural exploded schematic diagram of the ink scraping assembly of the screen printing mechanism of the present application.
[0014] Figure 3 Fig. 3 is a structural schematic diagram of the ink scraping lifting assembly of the screen printing mechanism of the present application.
[0015] Figure 4 Fig. 4 is a structural schematic diagram of the horizontal driving assembly of the screen printing mechanism of the present application.
[0016] Figure 5 Fig. 5 is a structural exploded schematic diagram of the lifting driving assembly of the screen printing mechanism of the present application. DETAILED DESCRIPTION
[0017] The present application will be further described and explained with reference to the specific embodiments and the accompanying drawings:
[0018] Reference Figure 1 and Figure 2The screen printing mechanism comprises a printing assembly 1, a squeegee lifting assembly 2, a horizontal driving assembly 3 and a lifting driving assembly 4, the squeegee lifting assembly 2 is drivingly connected with the printing assembly 1, the horizontal driving assembly 3 is drivingly connected with the squeegee lifting assembly 2, the lifting driving assembly 4 is drivingly connected with the horizontal driving assembly 3, the printing assembly 1 comprises a printing screen 11, a fixed frame 12, a movable cylinder 13, a screen printing module 14 and an angle adjusting module 15, the fixed frame 12 is installed on both sides of the horizontal driving assembly 3, both ends of the fixed frame 12 clamp both ends of the printing screen 11, the screen printing module 14 is below the printing screen 11, the angle adjusting module 15 comprises a connecting block 151, a sliding rod 152 and a U-shaped locking block 153, one end of the connecting block 151 is connected with the output end of the movable cylinder 13, the other end of the connecting block 151 is movably connected through the sliding rod 152 and the U-shaped locking block 153, the U-shaped locking block 153 is provided with a clamping part 154 at the top, the side surface of the clamping part 154 is provided with a bolt hole, the bolt hole is installed through a screw, so that the U-shaped locking block 153 is in a clamping state, and the lower end of the U-shaped locking block 153 is connected with the screen printing module 14. The angle adjusting module 15 in the printing assembly 1 can adjust the angle of the screen printing module 14, when the angle needs to be adjusted, the bolt hole on the U-shaped locking block 153 is loosened, the clamping part 154 is opened, the U-shaped locking block 153 can be rotated through the sliding rod 152, so that the optimal processing angle can be adjusted, the screen printing mechanism is suitable for screen printing of various types of tempered film screens, the yield and production efficiency are greatly improved, and the screen printing mechanism has the characteristics of simple structure and easy operation.
[0019] The screen printing module 14 comprises a fixed clamping jaw 141, a pressing block 142, a squeegee knife 143 and a squeegee plate 144, the clamping jaw opening of the fixed clamping jaw 141 is connected with the pressing block 142, the squeegee knife 143 and the squeegee plate 144 are arranged between the pressing block 142 and the fixed clamping jaw 141, the top of the fixed clamping jaw 141 is provided with an operation knob 145, and the bottom of the operation knob 145 abuts against the top of the pressing block 142. When the squeegee knife 143 and the squeegee plate 144 need to be disassembled, the tension of the fixed clamping jaw 141 can be adjusted by twisting the operation knob 145, so that the staff can disassemble, when the squeegee knife 143 and the squeegee plate 144 are installed, the operation knob 145 can be rotated, the bottom of the operation knob 145 applies pressure to the pressing block 142, so that the squeegee knife 143 and the squeegee plate 144 are more firmly installed on the clamping jaw, and better squeegee effect can be achieved.
[0020] Reference Figure 3The ink scraping lifting assembly 2 comprises a connecting block 21, a mounting plate 22 and a telescopic motor 23. The surface of the mounting plate 22 is provided with a first linear guide rail 24. The first linear guide rail 24 is slidably connected with a first sliding plate 25. One end of the connecting block 21 is fixedly connected with the first sliding plate 25. The other end of the connecting block 21 is fixedly connected with the printing assembly 1. The telescopic motor 23 is fixedly installed on the top of the mounting plate 22. The output end of the telescopic motor 23 is connected with the top end of the first sliding plate 25. The other surface of the mounting plate 22 is drivingly connected with the horizontal driving assembly 3. When the screen tempered film is transmitted to the bottom of the printing screen 11 for silk printing, the ink scraping lifting assembly 2 can drive the silk printing module 14 to move up and down and perform silk printing, thereby ensuring the smoothness of work.
[0021] Reference Figure 4 The horizontal driving assembly 3 comprises a containing box 31, a cover plate 32 and a positioning module 33. The containing box 31 is internally provided with a second linear guide rail 34. The second linear guide rail 34 is slidably connected with a mounting sliding plate 35 and a limiting sliding plate 36. One side of the mounting sliding plate 35 is drivingly connected with the ink scraping lifting assembly 2. The positioning module 33 comprises a limiting block 37 which is installed in the containing box 31. The cover plate 32 and the limiting block 37 are both provided with the same waist-shaped groove 38. The cover plate 32 is installed on the top of the containing box 31. The waist-shaped groove 38 is internally provided with a locking bolt 39. The locking bolt 39 penetrates through the cover plate 32 and the limiting block 37 and abuts against the limiting sliding plate 36. The limiting sliding plate 36 is fixedly connected with the fixed frame 12. The rear side of the containing box 31 is provided with a transmission motor 40. The transmission motor 40 is drivingly connected with the mounting sliding plate 35. When the silk printing mechanism works, the transmission motor 40 drives the mounting sliding plate 35 to slide under the second linear guide rail 34, so that the silk printing module 14 moves from left to right on the printing screen 11, thereby performing the first step process of silk printing of the mobile phone tempered film. Then, the silk printing module 14 moves from right to left, thereby realizing the ink returning process. The overall process is simple. The cover plate 32 and the limiting block 37 are provided with the waist-shaped hole. The locking bolt 39 can be installed into the waist-shaped groove 38 and abut against the limiting sliding plate 36. When the printing screen 11 needs to be taken out, the locking bolt 39 can be loosened. The limiting sliding plates 36 on both sides move to both sides, thereby facilitating the workers to take out the printing screen 11. The operation is simple. After replacement, the locking bolt 39 is tightened. The limiting sliding plate 36 cannot move, thereby stably installing the printing screen 11, so that the structure is stable as a whole.
[0022] Reference Figure 5The lifting driving assembly 4 comprises a containing box 41, a driving motor 42 and a fixing plate 43, the containing box 41 is internally provided with a third linear guide rail 44 and a lead screw 45, the second sliding plate 46 is slidingly connected with the third linear guide rail 44, the lead screw 45 is drivingly connected with the second sliding plate 46, one end of the lead screw 45 is drivingly connected with the driving motor 42, one side of the containing box 41 is provided with an opening, the second sliding plate 46 is fixedly connected with a connecting plate 47, the other end of the connecting plate 47 passes through the opening and is connected with the fixing plate 43, the other end of the fixing plate 43 is connected with the horizontal driving assembly 3.
[0023] The inner wall of the containing cavity box is provided with a plurality of position sensors, one group of position sensors is arranged at the upper end of the containing box 41, another group of position sensors is arranged at the lower end of the containing box 41, and the surface of the second sliding plate 46 is provided with a sensing sheet. When the second sliding plate 46 rises or falls to a certain stroke, the sensing sheet senses the position sensor, so that the driving motor 42 stops running, prevents the internal mechanism from colliding, and enhances the safety performance.
[0024] The utility model discloses the cooperation of printing assembly 1, ink scraping lifting assembly 2, horizontal driving assembly 3 and lifting driving assembly 4 can carry out the silk screen printing of screen toughened film, wherein the angle adjusting member in silk screen printing module 14 can carry out angle adjustment to ink scraping knife 143 and ink scraping plate 144, when needing to adjust angle, first through the tight part 154 of loosening U type locking block 153, the slide rod 152 in through -hole can rotate, and then the processing angle of ink scraping plate 144 and ink scraping knife 143 can be adjusted, the thickness of silk screen printing is deeper when the adjustment angle is smaller, and the thickness of silk screen printing is shallower when the adjustment angle is larger, is suitable for the silk screen printing processing of various types of toughened film screen, greatly promotes the yield and production efficiency, and has the characteristics such as simple structure, easy operation, and the staff is convenient for operation.
[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.
Claims
1. A silk screen printing mechanism, comprising a printing assembly, a squeegee lifting assembly, a horizontal driving assembly and a lifting driving assembly, the squeegee lifting assembly being in driving connection with the printing assembly, the horizontal driving assembly being in driving connection with the squeegee lifting assembly, the lifting driving assembly being in driving connection with the horizontal driving assembly, the printing assembly comprising a printing screen, a fixed frame, a movable cylinder, a silk screen module and an angle adjusting module, the fixed frame being installed on both sides of the horizontal driving assembly, both ends of the fixed frame clamping both ends of the printing screen, the silk screen module being below the printing screen, characterized in that, The angle adjusting module comprises a connecting block, a sliding rod and a U-shaped locking block, one end of the connecting block is connected with the output end of the movable cylinder, the other end of the connecting block is movably connected with the sliding rod and the U-shaped locking block, the top of the U-shaped locking block is provided with a clamping part, the side surface of the clamping part is provided with a bolt hole, the bolt hole is installed through a screw, so that the U-shaped locking block is in a clamping state, and the lower end of the U-shaped locking block is connected with the silk screen module.
2. The silk printing mechanism of claim 1, wherein, The silk screen module comprises a fixed jaw, a pressing block, a squeegee and a squeegee plate, the jaw opening of the fixed jaw is connected with the pressing block, the squeegee and the squeegee plate are arranged between the pressing block and the fixed jaw, and the top of the fixed jaw is provided with an operation knob.
3. The silk printing mechanism of claim 1, wherein, The squeegee lifting assembly comprises an adapter block, a mounting plate and a telescopic motor, the surface of the mounting plate is provided with a first linear guide rail, the first linear guide rail is slidably connected with a first sliding plate, one end of the adapter block is fixedly connected with the first sliding plate, the other end of the adapter block is fixedly connected with the printing assembly, the telescopic motor is fixedly installed at the top of the mounting plate, the output end of the telescopic motor is connected with the top end of the first sliding plate, and the other side of the mounting plate is drivingly connected with the horizontal driving assembly.
4. The silk printing mechanism of claim 1, wherein, The horizontal driving assembly comprises a containing box, a cover plate and a positioning module, the containing box is internally provided with a second linear guide rail, the second linear guide rail is slidably connected with a mounting sliding plate and a limiting sliding plate, one side of the mounting sliding plate is drivingly connected with the squeegee lifting assembly, the positioning module comprises a limiting block mounted in the containing box, the cover plate and the limiting block are both provided with the same waist-shaped groove, the cover plate is installed at the top of the containing box, the waist-shaped groove is internally provided with a locking bolt, the locking bolt is tightly abutted with the cover plate, the limiting block and the limiting sliding plate, the limiting sliding plate is fixedly connected with the fixed frame, the rear side of the containing box is provided with a transmission motor, and the transmission motor is drivingly connected with the mounting sliding plate.
5. The silk printing mechanism of claim 1, wherein, The lifting driving assembly comprises a containing box, a driving motor and a fixed plate, the containing box is internally provided with a third linear guide rail and a lead screw, the third linear guide rail is slidably connected with a second sliding plate, the lead screw is drivingly connected with the second sliding plate, one end of the lead screw is drivingly connected with the driving motor, one side of the containing box is provided with an opening, the second sliding plate is fixedly connected with a connecting plate, the other end of the connecting plate is connected with the fixed plate through the opening, and the other end of the fixed plate is connected with the horizontal driving assembly.
6. The silk printing mechanism of claim 5, wherein, The inner wall of the containing cavity box is provided with a plurality of position sensors, one group of position sensors is arranged at the upper end of the containing box, and the other group of position sensors is arranged at the lower end of the containing box, and the surface of the second sliding plate is provided with a sensing sheet.