Seven-primary-color high-fidelity digital printing equipment
By using a bidirectional screw driven by an electric motor and a pressing roller driven by a hydraulic cylinder in a seven-primary color high-fidelity digital printing equipment, the rapid positioning and precise pressing of paper are achieved, the printing position deviation and burr problems are solved, and the printing quality and efficiency are improved.
Patent Information
- Application Number
- CN202421978346.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing seven-primary color high-fidelity digital printing equipment cannot accurately determine the paper to the middle position of the printing main body, resulting in a deviation in the printing position, and the paper rubs against the push plate during sliding, resulting in burrs and reducing printing quality.
The electric motor is used to drive the bidirectional screw, and the abutment block is driven to slide in the positioning groove through the positioning block and the connecting rod to achieve rapid positioning of the paper and fixed the middle position. At the same time, the hydraulic cylinder is used to drive the pressing roller to quickly adjust the surface pressing of the paper to reduce side wear.
It effectively improves printing quality, solves the printing position deviation and bristle problems, and improves the accuracy and printing efficiency of paper positioning.
Smart Images
Figure CN222819789U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing equipment, in particular to a seven-primary-color high-fidelity digital printing equipment. Background Art
[0002] Digital printing presses, also known as universal flatbed printers or flatbed printers, have broken through the bottleneck of digital printing technology and achieved true one-sheet printing, no need for plate making, and full-color image completion in one go. They are the successor to traditional printing presses.
[0003] Among them, announcement number CN217778117U discloses a seven-primary-color high-fidelity digital printing device, including a fidelity printing body, both sides of the upper surface of the fidelity printing body are provided with slide grooves, both sides of the upper surface of each slide groove are slidably installed with push plates, one side of each push plate is fixed with a positioning plate, and a clamping plate is installed inside the two slide grooves and below each positioning plate, and a first locking knob is threadedly connected between each positioning plate and each clamping plate, and an adjustment groove is provided on the opposite side of each two push plates. The seven-primary-color high-fidelity digital printing device provided by the utility model limits the positions of both sides of the paper and then rotates the adjusting screw to adjust the pressure roller downward until the lower surface of the paper pressing roller contacts the surface of the paper. The paper pressing roller can flatten and limit the overall plane of the paper during printing to prevent the paper from deviating from the position during printing.
[0004] The device limits the position of the paper by pushing four groups of push plates to the front and rear sides of the paper respectively to prevent the paper from deviating. However, in actual use, the four groups of push plates need to be adjusted in turn, and the paper cannot be accurately positioned in the middle of the fidelity printing body, which can easily lead to deviations in the printing position. In addition, the paper is prone to friction with the surface of the push plate during sliding, which can easily lead to burrs on the side of the paper, reducing the printing quality.
[0005] Therefore, it is necessary to invent a seven-primary-color high-fidelity digital printing device to solve the above problems. Utility Model Content
[0006] The purpose of the utility model is to provide a seven-primary-color high-fidelity digital printing device to solve the problem that the paper cannot be accurately positioned in the middle of the fidelity printing body, which easily leads to deviation in the printing position, and the paper easily rubs against the surface of the push plate during sliding, which leads to burrs on the side of the paper and reduces the printing quality.
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a seven-primary-color high-fidelity digital printing device, comprising a device bracket, a feed platform is fixedly connected to the upper surface of the device bracket, a positioning mechanism is arranged on the surface of the feed platform, the positioning mechanism comprises an abutment block, a positioning roller, a bidirectional screw, a positioning rod, a positioning block, a connecting rod and an electric motor, two groups of positioning grooves are opened on the surface of the feed platform, a printing module is fixedly connected to the left side of the device bracket, a plurality of support frames are fixedly connected to the front and rear sides of the upper surface of the device bracket, and a liftable pressing roller is arranged between the front and rear groups of the support frames.
[0008] By adopting the above technical solution, the electric motor drives the bidirectional screw to rotate, and the bidirectional screw drives the abutment blocks to slide in opposite directions inside the positioning groove through the positioning blocks and the connecting rod, so as to realize rapid positioning of the paper and simultaneously position the paper in the middle of the feeding platform. As the paper is transported to the left, the positioning roller rotates with the movement of the paper, thereby reducing the wear on the side of the paper.
[0009] Optionally, four groups of abutment blocks are provided, each group of positioning grooves is slidably connected to two groups of abutment blocks, and surfaces of one side of the front and rear groups of abutment blocks that are close to each other are rotatably connected to positioning rollers in a vertical direction.
[0010] By adopting the above technical solution, the abutment block slides inside the positioning groove.
[0011] Optionally, the two ends of the bidirectional screw are rotatably connected to the middle position of the inner walls on the front and rear sides of the equipment bracket, and two groups of positioning rods are provided. The two groups of positioning rods are respectively arranged on the left and right sides of the bidirectional screw, and the two ends of the two groups of positioning rods are respectively fixedly connected to the inner walls on the front and rear sides of the equipment bracket.
[0012] Optionally, the electric motor is fixedly mounted on the front side of the equipment bracket, and the front end of the bidirectional screw is fixedly connected to the output end of the electric motor.
[0013] By adopting the above technical solution, the electric motor can rotate in both directions, driving the bidirectional screw to rotate clockwise or counterclockwise.
[0014] Optionally, two groups of positioning blocks are provided, and the two groups of positioning blocks are respectively threadedly connected to the front and rear ends of the bidirectional screw, and the connecting rod is respectively fixedly connected to the left and right side surfaces of the positioning block, and the end of the connecting rod away from the positioning block is fixedly connected to the abutment block.
[0015] By adopting the above technical solution, during the rotation of the bidirectional screw, the positioning blocks at the front and rear ends are driven to slide toward each other, and then the two groups of abutment blocks on the same side are driven to slide toward each other inside the positioning groove through the connecting rod.
[0016] Optionally, the upper ends of the support frames on the front and rear sides are fixedly connected with support rods, three groups of support plates are fixedly connected between the front and rear groups of support rods, a hydraulic cylinder is fixedly installed on the upper surface of the middle support plate, and the surfaces of the support plates on the left and right sides are slidably connected with limit rods.
[0017] By adopting the above technical solution, the hydraulic cylinder is used to drive the pressing roller to rise and fall.
[0018] Optionally, the surface of the support frame is provided with a limiting groove, the limiting groove is internally slidably connected to a limiting block, a pressing frame is fixedly connected between the front and rear groups of the limiting blocks, and the front and rear ends of the pressing roller are rotatably connected to the front and rear ends of the pressing frame respectively.
[0019] By adopting the above technical solution, the limiting block slides up and down inside the limiting groove to position the pressing frame.
[0020] Optionally, a connecting plate is fixedly connected to the upper surface of multiple groups of the pressing frames, the output end of the hydraulic cylinder is fixedly connected to the middle of the connecting plate, and the lower ends of the two groups of limit rods are respectively fixedly connected to the left and right ends of the connecting plate.
[0021] By adopting the above technical solution, the limiting rod slides up and down on the surfaces of the left and right support frames to limit the positions of the multiple groups of pressing frames, thereby improving their stability during the lifting process.
[0022] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0023] 1. The utility model drives the bidirectional screw to rotate through an electric motor, and the bidirectional screw drives the abutment block to slide in opposite directions inside the positioning groove through the positioning block and the connecting rod, so as to quickly position the paper and position the paper in the middle of the feeding platform. As the paper is transported to the left, the positioning roller rotates with the movement of the paper, reducing the wear on the side of the paper, effectively improving the printing quality, and solving the problem that the paper cannot be accurately positioned in the middle of the fidelity printing body, which easily leads to deviation in the printing position, and the paper easily rubs against the surface of the push plate during the sliding process, which leads to burrs on the side of the paper and reduces the printing quality.
[0024] 2. The utility model drives the connecting plate to rise and fall through the hydraulic cylinder, the connecting plate drives multiple groups of pressing frames to rise and fall, the pressing frames drive the pressing rollers on the lower side to rise and fall, thereby realizing rapid adjustment of the height of the pressing rollers, so that the pressing rollers can be quickly pressed on the surface of the paper, thereby improving the printing efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0026] Figure 2 This is a schematic diagram of the structure of the material feeding platform of the utility model;
[0027] Figure 3 This is a schematic diagram of the positioning mechanism structure of the utility model;
[0028] Figure 4 This is a schematic diagram of the support frame structure of the utility model;
[0029] Figure 5 This is a schematic diagram of the lifting frame structure of the utility model.
[0030] Description of reference numerals:
[0031] 1. Equipment bracket; 11. Feeding platform; 12. Positioning groove; 13. Abutment block; 14. Positioning roller; 15. Bidirectional screw; 16. Positioning rod; 17. Positioning block; 18. Connecting rod; 19. Electric motor; 2. Printing module; 3. Support frame; 31. Limiting groove; 32. Support rod; 33. Support plate; 34. Hydraulic cylinder; 35. Pressing frame; 36. Pressing roller; 37. Limiting block; 38. Connecting plate; 39. Limiting rod. DETAILED DESCRIPTION
[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0033] The utility model provides Figures 1 to 3 A seven-primary-color high-fidelity digital printing device is shown, comprising an equipment bracket 1, a feed platform 11 is fixedly connected to the upper surface of the equipment bracket 1, a positioning mechanism is arranged on the surface of the feed platform 11, the positioning mechanism comprises an abutment block 13, a positioning roller 14, a bidirectional screw 15, a positioning rod 16, a positioning block 17, a connecting rod 18 and an electric motor 19, two groups of positioning grooves 12 are provided on the surface of the feed platform 11, a printing module 2 is fixedly connected to the left side of the equipment bracket 1, a plurality of support frames 3 are fixedly connected to the front and rear sides of the upper surface of the equipment bracket 1, and a liftable pressing roller 36 is arranged between the front and rear groups of support frames 3.
[0034] Among them, the electric motor 19 drives the bidirectional screw 15 to rotate, and the bidirectional screw 15 drives the abutment block 13 to slide in opposite directions inside the positioning groove 12 through the positioning block 17 and the connecting rod 18, so as to realize rapid positioning of the paper, and at the same time position the paper in the middle position of the feeding platform 11, and as the paper is transported to the left, the positioning roller 14 rotates with the movement of the paper, reducing the wear on the side of the paper and effectively improving the printing quality. At the same time, multiple groups of pressing rollers 36 rise and fall at the same time, and the paper is pressed quickly to improve the printing efficiency.
[0035] See also Figure 2 and Figure 3 , four groups of abutment blocks 13 are provided, and each group of positioning grooves 12 is slidably connected with two groups of abutment blocks 13, and the surfaces of the sides close to the front and rear groups of abutment blocks 13 are rotatably connected with the vertical positioning rollers 14, and the two ends of the bidirectional screw 15 are rotatably connected with the middle position of the front and rear inner walls of the equipment bracket 1, and two groups of positioning rods 16 are provided. The two groups of positioning rods 16 are respectively arranged on the left and right sides of the bidirectional screw 15, and the two ends of the two groups of positioning rods 16 are respectively fixedly connected with the front and rear inner walls of the equipment bracket 1, and the electric motor 19 is fixedly installed on the front side of the equipment bracket 1, and the front end of the bidirectional screw 15 is fixedly connected with the output end of the electric motor 19, and two groups of positioning blocks 17 are provided. The two groups of positioning blocks 17 are respectively threadedly connected with the front and rear ends of the bidirectional screw 15, and the connecting rod 18 is respectively fixedly connected to the left and right side surfaces of the positioning block 17, and the end of the connecting rod 18 away from the positioning block 17 is fixedly connected to the abutment block 13.
[0036] Specifically, the printing paper is placed on the upper side of the feeding platform 11. At this time, the output end of the electric motor 19 drives the bidirectional screw 15 to rotate. During the rotation of the bidirectional screw 15, the positioning blocks 17 at the front and rear ends are driven to slide toward each other, and then the two groups of abutment blocks 13 on the same side are driven to slide toward each other inside the positioning groove 12 through the connecting rod 18. During the process of the abutment blocks 13 on the front and rear sides moving inward, the paper is moved to the middle part of the feeding platform 11, and then the paper is positioned in the middle part of the feeding platform 11, and the speed of positioning the paper is increased at the same time. Then the paper is pushed to the left to the printing module 2 for printing.
[0037] See also Figure 4 and Figure 5 The upper ends of the front and rear support frames 3 are fixedly connected with support rods 32, three groups of support plates 33 are fixedly connected between the front and rear groups of support rods 32, a hydraulic cylinder 34 is fixedly installed on the upper surface of the middle support plate 33, and the surfaces of the left and right support plates 33 are slidably connected with limit rods 39, and the surfaces of the support frames 3 are provided with limit grooves 31, and the inner part of the limit grooves 31 is slidably connected with limit blocks 37, and a pressing frame 35 is fixedly connected between the front and rear groups of limit blocks 37, and the front and rear ends of the pressing roller 36 are rotatably connected to the front and rear ends of the pressing frame 35 respectively, and the upper surfaces of the multiple groups of pressing frames 35 are fixedly connected with connecting plates 38, the output end of the hydraulic cylinder 34 is fixedly connected to the middle part of the connecting plate 38, and the lower ends of the two groups of limit rods 39 are fixedly connected to the left and right ends of the connecting plate 38 respectively.
[0038] In addition, while the abutment block 13 positions the front and rear sides of the paper, the output end of the hydraulic cylinder 34 pushes the connecting plate 38 downward, and the connecting plate 38 pushes the multiple groups of pressing frames 35 downward. The pressing frames 35 drive the pressing rollers 36 to move downward to press the upper surface of the paper. At the same time, the limiting rod 39 slides on the surface of the support plate 33, and the limiting block 37 slides inside the limiting groove 31, thereby improving the stability of the pressing roller 36, so that the pressing roller 36 is accurately pressed on the upper surface of the paper to maintain the flatness of the paper surface.
[0039] The working principle of the utility model is as follows: the electric motor 19 drives the abutment block 13 to slide in opposite directions inside the positioning groove 12 through the cooperation of the bidirectional screw 15, the positioning block 17 and the connecting rod 18, so as to realize rapid positioning of the paper and position the paper in the middle of the feeding platform 11 at the same time, and the positioning roller 14 rotates with the paper to reduce the wear on the side of the paper and effectively improve the printing quality. At the same time, multiple groups of pressing rollers 36 rise and fall simultaneously to quickly press the paper, and multiple groups of abutment blocks 13 slide simultaneously to position the two sides of the paper, so as to improve the printing efficiency.
[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A seven-color high-fidelity digital printing device, comprising a device support (1), characterized in that: A feeding platform (11) is fixedly connected to the upper surface of the equipment bracket (1), and a positioning mechanism is arranged on the surface of the feeding platform (11), the positioning mechanism comprising an abutment block (13), a positioning roller (14), a bidirectional screw (15), a positioning rod (16), a positioning block (17), a connecting rod (18) and an electric motor (19). Two groups of positioning grooves (12) are provided on the surface of the feeding platform (11). A printing module (2) is fixedly connected to the left side of the equipment bracket (1), and a plurality of support frames (3) are fixedly connected to the front and rear sides of the upper surface of the equipment bracket (1), and a lifting and lowering pressing roller (36) is arranged between the front and rear groups of the support frames (3).
2. The seven-primary-color high-fidelity digital printing device according to claim 1, characterized in that: Four groups of the abutment blocks (13) are provided, and each group of the positioning grooves (12) is slidably connected to two groups of abutment blocks (13), and the surfaces of the adjacent sides of the front and rear groups of the abutment blocks (13) are rotatably connected to the positioning rollers (14) in the vertical direction.
3. The seven-primary-color high-fidelity digital printing device according to claim 2, characterized in that: The two ends of the bidirectional screw (15) are rotatably connected to the middle of the front and rear inner walls of the equipment bracket (1), and two groups of positioning rods (16) are provided. The two groups of positioning rods (16) are respectively provided on the left and right sides of the bidirectional screw (15), and the two ends of the two groups of positioning rods (16) are respectively fixedly connected to the front and rear inner walls of the equipment bracket (1).
4. The seven-primary-color high-fidelity digital printing device according to claim 3, characterized in that: The electric motor (19) is fixedly mounted on the front side of the equipment bracket (1), and the front end of the bidirectional screw rod (15) is fixedly connected to the output end of the electric motor (19).
5. The seven-primary-color high-fidelity digital printing device according to claim 4, characterized in that: The positioning blocks (17) are provided in two groups. The two groups of positioning blocks (17) are respectively threadedly connected to the front and rear ends of the bidirectional screw rod (15). The connecting rod (18) is respectively fixedly connected to the left and right side surfaces of the positioning blocks (17). One end of the connecting rod (18) away from the positioning block (17) is fixedly connected to the abutment block (13).
6. The seven-primary-color high-fidelity digital printing device according to claim 1, characterized in that: The upper ends of the support frames (3) on the front and rear sides are fixedly connected to support rods (32), three groups of support plates (33) are fixedly connected between the front and rear groups of support rods (32), a hydraulic cylinder (34) is fixedly installed on the upper surface of the middle support plate (33), and the surfaces of the support plates (33) on the left and right sides are slidably connected to limit rods (39).
7. The seven-primary-color high-fidelity digital printing device according to claim 6, characterized in that: The surface of the support frame (3) is provided with a limiting groove (31), the limiting groove (31) is slidably connected to a limiting block (37), a pressing frame (35) is fixedly connected between the front and rear groups of the limiting blocks (37), and the front and rear ends of the pressing roller (36) are rotatably connected to the front and rear ends of the pressing frame (35) respectively.
8. The seven-primary-color high-fidelity digital printing device according to claim 7, characterized in that: The upper surfaces of the plurality of groups of pressing frames (35) are fixedly connected to a connecting plate (38), the output end of the hydraulic cylinder (34) is fixedly connected to the middle of the connecting plate (38), and the lower ends of the two groups of limiting rods (39) are respectively fixedly connected to the left and right ends of the connecting plate (38).