Ink scraping mechanism and screen printing machine
By designing the ink scraping mechanism and automatic loading system, the edge flow problem caused by excessive ink in screen printing is solved, and a more stable printing effect and automatic loading is achieved, reducing ink waste.
Patent Information
- Application Number
- CN202421149468.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-24
AI Technical Summary
During screen printing, ink is likely to flow down the edge of the screen when it is moved on the screen, resulting in the problem of excessive ink.
A scraping mechanism is designed, including a scraping linear guide rail, scraping rack, guide frame, frame and ink storage table. It is engaged on the upper side of the screen panel by the frame, and guide the scraping rack with a guide chute and a guide groove. Ensure that the printing scraper slides between the frames and retains remaining ink through the ink storage table to reduce outflow; at the same time, automatic loading is achieved using a lifting cylinder, a printing rack and a loading push plate to ensure stable loading.
It effectively reduces the outflow of ink during scraping, and improves the stability and efficiency of the printing process through the automatic loading function.
Smart Images
Figure CN222360737U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of screen printing, and in particular relates to an ink scraping mechanism and a screen printing machine. Background Art
[0002] Screen printing refers to using a silk screen as a base and making a screen printing plate with images through a photosensitive plate-making method. Screen printing consists of five major elements: screen printing plate, scraper, ink, printing table and substrate; printing is based on the basic principle that the mesh holes of the image part of the screen printing plate can pass the ink, while the mesh holes of the non-image part cannot pass the ink; when printing, pour ink at one end of the screen printing plate, use the scraper to apply a certain pressure to the ink part on the screen printing plate, and move at a constant speed toward the other end of the screen printing plate. During the movement, the ink is squeezed from the mesh holes of the image part to the substrate by the scraper;
[0003] With respect to the above-mentioned screen printing related technologies, the inventors believe that:
[0004] In the screen printing process, ink is printed by scraping it with a scraper. When the ink moves on the screen and is printed, there will be too much ink flowing down from the edge of the screen. Therefore, it is necessary to design a scraping mechanism and a screen printing machine to solve the above problem. Utility Model Content
[0005] The utility model aims to provide an ink scraping mechanism and a screen printing machine to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a scraper mechanism, comprising a scraper linear guide rail and a scraper frame slidably mounted on the scraper linear guide rail, a screen frame is fixedly mounted on the lower side of the scraper linear guide rail, a screen plate is mounted on the inner side of the screen frame, guide frames are fixedly mounted on both ends of the scraper frame, a guide slider is slidably mounted on the inner side of the guide frame, a frame is provided on one side of the lower end of the guide frame, the frame is engaged with the upper surface of the screen plate, guide grooves are opened at both ends of the frame, the guide slider is slidably mounted in the guide grooves, and an ink storage table is provided at one end of the inner side of the frame.
[0007] Preferably, a lifting cylinder is installed in the middle of the scraper frame, a scraper frame is fixedly installed on the piston rod of the lifting cylinder, and a printing scraper is fixedly installed on the lower end of the scraper frame.
[0008] Preferably, one side of the ink storage platform is arranged as an inclined surface, and ink storage platforms are arranged at both ends of the inner side of the frame.
[0009] Preferably, a guide frame is fixedly mounted on the upper side of one end of the frame, a guide groove is provided on the surface of the guide frame, a guide rod is slidably mounted inside the guide groove, and the lower end of the guide rod is fixedly mounted on the scraper frame.
[0010] A screen printing machine comprises a main frame and an ink scraping mechanism installed on the main frame through a lifting linear guide rail, a material box is installed on the upper side of one end of the main frame, a printing material rack is installed on the inner side of the material box, a lifting cylinder is fixedly installed on the lower end of the outer side of the material box, a support plate is fixedly installed on the piston rod of the lifting cylinder, the support plate is slidably installed on the material box, one end of the support plate is located at the lower side of the printing material rack, and a material pushing mechanism is installed on the upper side of the main frame.
[0011] Preferably, the pushing mechanism includes a feeding motor fixedly mounted on one end of the main frame, a feeding screw rotatably mounted on the inner side of the main frame through a bearing, and a feeding nut sleeved on the feeding screw, a feeding push plate is fixedly mounted on the upper side of the feeding nut, one end of the feeding screw and the output shaft of the feeding motor are both equipped with transmission bevel gears, and the output shaft of the feeding motor and one end of the feeding screw are connected through meshing transmission between the transmission bevel gears.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. Through the designed frame, the frame is engaged with the upper side of the screen when in use, and the scraper frame is guided by the guide groove and the guide groove, so that the printing scraper on the lower side of the scraper frame can slide between the frames. A certain amount of ink can be retained through the ink storage table, thereby reducing the phenomenon of excessive outflow of ink during scraping.
[0014] 2. Through the designed lifting cylinder, substrate rack and loading push plate, the substrate is placed on the substrate rack during use, the upper substrate rack is lifted by the lifting cylinder and the support plate, and the loading push plate and the bottom support plate are driven by the loading motor to move the loading, so that automatic loading and printing can be completed during use, and loading is more stable and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the ink scraping structure of the utility model;
[0017] Figure 3 It is a schematic diagram of the feeding structure of the utility model;
[0018] In the figure: 1. Main frame; 2. Material box; 3. Lifting cylinder; 4. Feeding motor; 5. Lifting linear guide; 6. Scraper linear guide; 7. Scraper frame; 8. Screen frame; 9. Screen plate; 10. Printing scraper; 11. Frame; 12. Lifting cylinder; 13. Scraper frame; 14. Guide frame; 15. Guide slider; 16. Guide slide; 17. Guide frame; 18. Guide groove; 19. Guide rod; 20. Ink storage table; 21. Printing material frame; 22. Support plate; 23. Feeding push plate; 24. Feeding screw; 25. Feeding nut; 26. Transmission bevel gear. DETAILED DESCRIPTION
[0019] 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 in 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.
[0020] Example 1: Please refer to Figures 1 to 3The utility model provides a technical solution: a scraper mechanism, including a scraper linear guide rail 6 and a scraper frame 7 slidably mounted on the scraper linear guide rail 6, a screen frame 8 is fixedly mounted on the lower side of the scraper linear guide rail 6, a screen plate 9 is mounted on the inner side of the screen frame 8, guide frames 14 are fixedly mounted on both ends of the scraper frame 7, a guide slider 15 is slidably mounted on the inner side of the guide frame 14, a frame 11 is arranged on one side of the lower end of the guide frame 14, and the frame 11 is engaged with the upper surface of the screen plate 9 The frame 11 is provided with guide slots 16 at both ends, and the guide slider 15 is slidably installed in the guide slots 16. An ink storage table 20 is provided at one end of the inner side of the frame 11. The frame 11 is clamped on the upper side of the screen plate 9. The ink is placed on the screen plate 9 and is located on the inner side of the frame 11. The scraper frame 13 and the printing scraper 10 are driven by the lifting cylinder 12 to descend and fit on the screen plate 9. The scraper frame 7 and the printing scraper 10 are driven by the scraper linear guide rail 6 to move and scrape the ink. After the ink is scraped and the screen is printed, The scraper 10 reaches the end of the frame 11 and scrapes the remaining ink onto the ink storage table 20 for temporary storage. When printing the next substrate frame 21, the printing scraper 10 moves from the ink storage table 20 to scrape the remaining ink and print it together with the new ink. A lifting cylinder 12 is installed in the middle of the scraper frame 7, and a scraper frame 13 is fixedly installed on the piston rod of the lifting cylinder 12. The printing scraper 10 is fixedly installed at the lower end of the scraper frame 13, so that the lifting cylinder 12 can drive the printing scraper 10 to rise when in use. The ink is scraped down; one side of the ink storage platform 20 is set as an inclined surface, and the ink storage platforms 20 are set at both ends of the inner side of the frame 11. When in use, the inclined surface facilitates the ink to reach the ink storage platform 20 for temporary storage; a guide frame 17 is fixedly installed on the upper side of one end of the frame 11, and a guide groove 18 is opened on the surface of the guide frame 17. A guide rod 19 is slidably installed on the inner side of the guide groove 18. The lower end of the guide rod 19 is fixedly installed on the scraper frame 7, so that the movement of the scraper frame 7 and the printing scraper 10 is more stable when in use.
[0021] From the above description, it can be seen that the utility model has the following beneficial effects: when in use, the frame 11 is engaged with the upper side of the screen plate 9, and the scraper frame 7 is guided by the guide groove 16 and the guide groove 18, so that the printing scraper 10 on the lower side of the scraper frame 7 can slide between the frames 11, and a certain amount of ink can be retained by the ink storage table 20, thereby reducing the phenomenon of excessive outflow of ink during scraping.
[0022] Example 2: Please refer to Figures 1 to 3As shown, on the basis of the first embodiment, the utility model provides a technical solution: a screen printing machine, comprising a main frame 1 and an ink scraping mechanism installed on the main frame 1 through a lifting linear guide rail 5, a material box 2 is installed on the upper side of one end of the main frame 1, a printing material rack 21 is installed on the inner side of the material box 2, a lifting cylinder 3 is fixedly installed on the lower end of the outer side of the material box 2, a support plate 22 is fixedly installed on the piston rod of the lifting cylinder 3, the support plate 22 is slidably installed on the material box 2, one end of the support plate 22 is located at the lower side of the printing material rack 21, a pushing mechanism is installed on the upper side of the main frame 1, the printing material is placed on the support plate 22, and the support plates 22 are stacked on the inner side of the material box 2, the support plate 22 is pushed by the lifting cylinder 3 to insert into the lower side of the second to last printing material rack 21 at the bottom, and the bottom printing material rack 21 is located at the feeding pushing mechanism. The feeding mechanism includes a feeding motor 4 fixedly mounted on one end of the main frame 1, a feeding screw 24 rotatably mounted on the inner side of the main frame 1 through a bearing, and a feeding nut 25 sleeved on the feeding screw 24, a feeding push plate 23 is fixedly mounted on the upper side of the feeding nut 25, one end of the feeding screw 24 and the output shaft of the feeding motor 4 are both equipped with a transmission bevel gear 26, the output shaft of the feeding motor 4 and one end of the feeding screw 24 are connected through the meshing transmission between the transmission bevel gear 26, the feeding motor 4 drives the feeding screw 24 to rotate through the transmission of the transmission bevel gear 26, the feeding screw 24 drives the feeding nut 25 and the feeding push plate 23 to move, the feeding push plate 23 drives the bottom printing material rack 21 to move and feed, and the printing material rack 21 stops at the bottom of the screen plate 9.
[0023] By adopting the above technical solution, the printing material is placed on the printing material rack 21 during use, the upper printing material rack 21 is lifted by the lifting cylinder 3 and the support plate 22, and the loading push plate 23 and the bottom support plate 22 are driven by the loading motor 4 to move the loading, so that automatic loading and printing can be completed during use, and loading is more stable and convenient during use.
[0024] The working principle and use process of the utility model are as follows: when in use, the printing material is placed on the support plate 22, and the support plate 22 is stacked on the inner side of the material box 2. The support plate 22 is pushed by the lifting cylinder 3 to insert into the lower side of the second-to-last printing material rack 21 at the bottom, and the bottom printing material rack 21 is located above the loading push plate 23. The loading motor 4 drives the loading screw 24 to rotate through the transmission bevel gear 26, and the loading screw 24 drives the loading nut 25 and the loading push plate 23 to move. The loading push plate 23 drives the bottom printing material rack 21 to move and load the material. The printing material rack 21 reaches the bottom of the screen plate 9 and stops. The scraper linear guide 6 is driven down by the lifting linear guide 5. At the same time, the screen plate 9 on the inner side of the screen frame 8 is pressed on the printing material rack 21, and the frame 11 is engaged on the upper side of the screen plate 9. The ink is placed on the screen The scraper frame 13 and the printing scraper 10 are driven by the lifting cylinder 12 to descend and fit on the screen plate 9, and the scraper frame 7 and the printing scraper 10 are driven by the scraper linear guide 6 to move and scrape the ink. At the same time, the guide slider 15 and the guide groove 16, the guide groove 18 and the guide rod 19 are guided to make the scraper frame 7 and the printing scraper 10 move more stably, so as to achieve better ink scraping effect. After the ink is scraped and screen printed, the printing scraper 10 reaches the end of the frame 11 and scrapes the remaining ink to the ink storage table 20 for temporary storage. When printing the next substrate frame 21, the printing scraper 10 moves from the ink storage table 20 to scrape the remaining ink and print it together with the new ink. The cycle is repeated to make full use of the ink and reduce the phenomenon of ink flowing to the outside of the screen plate 9.
[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0026] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.
Claims
1. An ink scraping mechanism, comprising a scraper linear guide rail (6) and a scraper frame (7) slidably mounted on the scraper linear guide rail (6), a screen frame (8) fixedly mounted on the lower side of the scraper linear guide rail (6), a screen plate (9) mounted on the inner side of the screen frame (8), characterized in that: Guide frames (14) are fixedly mounted at both ends of the scraper frame (7), a guide slider (15) is slidably mounted on the inner side of the guide frame (14), a frame (11) is arranged on one side of the lower end of the guide frame (14), the frame (11) is engaged with the upper surface of the screen plate (9), guide grooves (16) are provided at both ends of the frame (11), the guide slider (15) is slidably mounted in the guide grooves (16), and an ink storage table (20) is arranged on one end of the inner side of the frame (11).
2. The ink scraping mechanism according to claim 1, characterized in that: A lifting cylinder (12) is installed in the middle of the scraper frame (7), a scraper frame (13) is fixedly installed on the piston rod of the lifting cylinder (12), and a printing scraper (10) is fixedly installed on the lower end of the scraper frame (13).
3. The ink scraping mechanism according to claim 1, characterized in that: One side of the ink storage platform (20) is arranged as an inclined surface, and both ends of the inner side of the frame (11) are provided with ink storage platforms (20).
4. The ink scraping mechanism according to claim 1, characterized in that: A guide frame (17) is fixedly mounted on the upper side of one end of the frame (11), a guide groove (18) is provided on the surface of the guide frame (17), a guide rod (19) is slidably mounted inside the guide groove (18), and the lower end of the guide rod (19) is fixedly mounted on the scraper frame (7).
5. A screen printing machine, comprising a main frame (1) and an ink scraping mechanism mounted on the main frame (1) via a lifting linear guide rail (5), characterized in that: A material box (2) is installed on the upper side of one end of the main frame (1), a printing material rack (21) is installed on the inner side of the material box (2), a lifting cylinder (3) is fixedly installed on the lower end of the outer side of the material box (2), a support plate (22) is fixedly installed on the piston rod of the lifting cylinder (3), the support plate (22) is slidably installed on the material box (2), one end of the support plate (22) is located on the lower side of the printing material rack (21), and a material pushing mechanism is installed on the upper side of the main frame (1).
6. A screen printing machine according to claim 5, characterized in that: The pushing mechanism comprises a feeding motor (4) fixedly mounted on one end of a main frame (1), a feeding screw (24) rotatably mounted on the inner side of the main frame (1) via a bearing, and a feeding nut (25) sleeved on the feeding screw (24); a feeding push plate (23) is fixedly mounted on the upper side of the feeding nut (25); one end of the feeding screw (24) and the output shaft of the feeding motor (4) are both mounted with a transmission bevel gear (26); the output shaft of the feeding motor (4) and one end of the feeding screw (24) are connected in meshing transmission via the transmission bevel gear (26).