Printing plate fixing mechanism capable of achieving rapid replacement
By designing a worm gear and rack and pinion structure, the problem of positional deviation when installing different printing plates in existing printing plate fixing mechanisms has been solved, enabling rapid replacement and precise alignment, thereby improving printing quality and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN SHENHUI PACKAGING MATERIALS CO LTD
- Filing Date
- 2025-02-20
- Publication Date
- 2026-04-10
AI Technical Summary
Existing printing plate fixing mechanisms lack effective fine-tuning methods when installing printing plates of different sizes and dimensions, resulting in printing deviations, poor adaptability, and increased operational difficulty and cost.
It adopts a worm gear and rack and pinion structure. The worm is driven by a motor to rotate, which drives the worm gear and the rack and pinion to move the sliding table and the sliding frame. The rack and pinion structure is used for fine-tuning the position, and the printing plate is quickly fixed by a pressing rod and spring mechanism.
It achieves precise alignment of printing plates, reduces printing deviations, improves changeover efficiency, shortens equipment downtime, and increases production continuity and output.
Smart Images
Figure CN224103723U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing press technical field especially relates to a quick replacement's printing plate fixing mechanism. BACKGROUND
[0002] The printing plate fixing mechanism is an indispensable important component part in the printing equipment, which is usually composed of a series of carefully designed mechanical parts and connecting structures, and its main function is to provide a stable, accurate and reliable fixing method for the printing plate. In the printing process, the printing plate needs to withstand various forces from the printing machine, such as pressure, friction and vibration. The printing plate fixing mechanism can effectively resist these forces to ensure that the printing plate always remains in the predetermined position without displacement, inclination or distortion. Through accurate fixing, the graphic information on the printing plate can be accurately and correctly transferred to the paper, plastic film or other printing materials, thereby realizing high-quality and high-precision printing effect.
[0003] The existing fixing mechanism lacks effective fine adjustment means when installing printing plates of different sizes and dimensions, making it difficult to accurately align and causing printing deviation, poor adaptability, and often requiring complex adjustment process or replacing specific fixing devices, increasing the operation difficulty and cost. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a quick replacement's printing plate fixing mechanism, aiming at improving the problem of position deviation affecting printing effect when the existing fixing mechanism fixes different printing plates.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a quick replacement's printing plate fixing mechanism, comprising a shell, the left side of the shell is fixedly connected with two motors, the output end of the two motors is fixedly provided with a worm, the two worms are meshingly connected with a worm wheel between them, the top end of the worm wheel is fixedly connected with a first gear, the inner wall of the shell is provided with a first sliding slot on the front and back sides, a sliding table is slidably connected between the two first sliding slots, the inner wall of the sliding table is provided with a second sliding slot on the left and right sides, a sliding frame is slidably connected between the two second sliding slots, the inner left side of the sliding frame is fixedly connected with a first rack, the first rack and the first gear are meshingly connected, the top of the sliding frame is fixedly connected with a fixed plate, the top of the fixed plate is provided with a printing plate body, the inner wall of the fixed plate is provided with a mounting assembly, and the mounting assembly is used for mounting the printing plate body.
[0006] Preferably, the installation assembly comprises a second gear, the second gear is rotatably connected between the inner wall of the fixed plate, the top and the bottom of the inner wall of the fixed plate are provided with third sliding grooves, a second rack is slidably connected between the two third sliding grooves, the second gear is in meshing connection with the second rack, and the top end of the second gear is fixedly connected with a rotating piece.
[0007] Preferably, the printed version body is provided with a fixing groove in the bottom, and the bottom of the printed version body is provided with four guide grooves.
[0008] Preferably, the top of the fixed plate is fixedly connected with four limiting columns.
[0009] Preferably, the front end of the second rack is fixedly connected with a spring, and the front end of the spring is fixedly connected between the inner wall of the fixed plate.
[0010] Preferably, the rear side of the second rack is fixedly connected with a pressing rod, the rear end of the pressing rod extends to the rear side of the fixed plate, and the pressing rod is slidably connected with the fixed plate.
[0011] Preferably, the sliding table is rotatably connected with the worm gear, and the sliding table is rotatably connected with the first gear.
[0012] Preferably, the right ends of the two worms are rotatably connected with the inner wall of the shell.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] 1. In the utility model, two motors drive two worms to rotate respectively, thereby driving the worm gear to move or rotate, and driving the sliding table at the top to slide left and right. When the worm gear drives the first gear to rotate, the first rack and the sliding frame move forward and backward, thereby realizing fine adjustment of the position of the printed version body at the top and preventing deviation in printing.
[0015] 2. In the utility model, the pressing rod is pressed to drive the second rack to press the spring, and when the second rack slides in the third sliding groove, the second gear rotates. When the second gear rotates, the rotating piece at the top rotates. When the rotating piece rotates, the printed version body can be placed on the fixed plate. The pressing rod is released, the second rack is reset under the action of the spring, the second gear and the rotating piece rotate in the fixing groove, thereby realizing quick fixing of the printed version body, improving the efficiency of printed version replacement, shortening the equipment downtime, and thereby increasing the continuity and yield of production. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A main view of a quick-change printed version fixing mechanism is provided for the utility model;
[0017] Figure 2 A shell section view schematic diagram of the printing plate fixing mechanism is provided in the utility model.
[0018] Figure 3 A fixed plate section view schematic diagram of the printing plate fixing mechanism is provided in the utility model.
[0019] Figure 4 A printing plate body bottom schematic diagram of the printing plate fixing mechanism is provided in the utility model.
[0020] Legend:
[0021] 1, shell; 2, motor; 3, worm; 4, first sliding groove; 5, sliding table; 6, second sliding groove; 7, sliding frame; 8, first rack; 9, worm wheel; 10, first gear; 11, fixed plate; 12, limiting column; 13, rotating part; 14, pressing rod; 15, second rack; 16, spring; 17, second gear; 18, guide groove; 19, fixed groove; 20, third sliding groove; 21, printing plate body. Specific implementation
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings of the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Referring to Figure 1 and Figure 2 An embodiment provided by the utility model: a printing plate fixing mechanism with quick replacement, comprising a shell 1, two motors 2 are fixedly connected to the left side of the shell 1, worm 3 is fixedly arranged at the output end of the two motors 2, worm wheel 9 is meshingly connected between the two worm 3, first gear 10 is fixedly connected to the top end of the worm wheel 9, first sliding groove 4 is formed in the inner wall of the shell 1 on the front and rear sides, sliding table 5 is slidably connected between the two first sliding groove 4, second sliding groove 6 is formed in the inside left and right sides of the sliding table 5, sliding frame 7 is slidably connected between the two second sliding groove 6, first rack 8 is fixedly connected to the inside left side of the sliding frame 7, the first rack 8 is meshingly connected with the first gear 10, fixed plate 11 is fixedly connected to the top of the sliding frame 7, printing plate body 21 is arranged on the top of the fixed plate 11, mounting assembly is arranged on the inner wall of the fixed plate 11, and the mounting assembly is used for mounting the printing plate body 21.
[0024] Specific, start two motor 2 drive two worm 3 rotation, when two worm 3 at the same speed and direction of rotation, they exert on the worm gear 9 force is balanced, the worm gear 9 will along the axis of the worm 3 direction of movement, in the worm gear 9 will move the sliding platform 5 between the first sliding slot 4 sliding connection, when two worm 3 at different speeds or in the opposite direction of rotation, they exert on the worm gear 9 force is no longer balanced, this unbalanced force will drive the worm gear 9 around its axis of rotation, thus driving the first gear 10 rotation, since the first rack 8 and the first gear 10 mesh, thus driving the first rack 8 and the sliding frame 7 along the second sliding slot 6 move forward and backward, the sliding platform 5 left and right sliding and the sliding frame 7 forward and backward movement, thus the position of the top of the printing version body 21 fine tuning, to prevent printing deviation.
[0025] With reference to Figure 2 And Figure 3 , the mounting assembly comprises a second gear 17, the second gear 17 and the inner wall of the fixed plate 11 between the rotating connection, the fixed plate 11 inner wall top and bottom are provided with a third sliding slot 20, two third sliding slot 20 between the sliding connection has a second rack 15, the second gear 17 and the second rack 15 between the meshing connection, the second gear 17 top fixed connection has a rotating part 13.
[0026] Specific, by pressing the press lever 14, drive the second rack 15 extrusion spring 16, the second rack 15 in the third sliding slot 20 at this time, and drive the second gear 17 rotation, when the second gear 17 rotation, will drive the top of the rotating part 13 rotation, in the rotating part 13 rotation, can be placed in the fixed plate 11 on the printing version body 21, release the press lever 14, the second rack 15 under the action of spring 16 reset, so that the second gear 17 and the rotating part 13 in the fixed slot 19 rotation, thus realizing the quick fixing of the printing version body 21, this way improves the efficiency of the printing plate replacement, shortens the equipment downtime, thereby increasing the continuity and yield of production.
[0027] With reference to Figure 4 , the printing version body 21 bottom is provided with a fixed slot 19, the printing version body 21 bottom is provided with four guide slot 18.
[0028] Specific, through the four guide slot 18 will be installed in the fixed plate 11 on the four printing version body 21 limit column 12, prevent the printing version body 21 in use and installation position offset, through the rotating part 13 in the fixed slot 19 rotation, realized the installation of the printing version body 21 fixed.
[0029] With reference to Figure 2 , the fixed plate 11 top fixed connection has four limit column 12.
[0030] Specifically, by inserting the four limiting columns 12 into the four guide grooves 18, the printed version body 21 is prevented from rotating and causing it to disengage from the rotating member 13, thereby achieving stable installation of the printed version body 21.
[0031] With reference to Figure 3 , the second rack 15 is fixedly connected at the front end with a spring 16, and the front end of the spring 16 is fixedly connected with the inner wall of the fixed plate 11.
[0032] Specifically, when the user releases the pressing rod 14, the spring 16 automatically resets the second rack 15, thereby driving the second gear 17 and the rotating member 13 to rotate and fix the printed version body 21.
[0033] With reference to Figure 3 , the second rack 15 is fixedly connected at the rear side with a pressing rod 14, the rear end of the pressing rod 14 penetrates and extends to the rear side of the fixed plate 11, and the pressing rod 14 is slidingly connected with the fixed plate 11.
[0034] Specifically, by pressing the pressing rod 14 to drive the second rack 15 to press the spring 16, the rotating member 13 is driven to rotate, which is convenient for the user to remove the printed version body 21 at any time.
[0035] With reference to Figure 1 and Figure 2 , the sliding table 5 is rotationally connected with the worm gear 9, and the sliding table 5 is rotationally connected with the first gear 10.
[0036] Specifically, the worm gear 9 penetrates the sliding table 5 and is fixed with the first gear 10, which achieves that the sliding table 5 can be moved simultaneously when the worm gear 9 moves, and the first gear 10 can be rotated when the worm gear 9 rotates.
[0037] With reference to Figure 1 and Figure 2 , the right ends of the two worm gears 3 are rotationally connected with the inner wall of the shell 1.
[0038] Specifically, the right ends of the two worm gears 3 are rotationally connected with the inner wall of the shell 1, which provides stable support and rotation support for the worm gears 3, ensures that the worm gears 3 can rotate smoothly and accurately under the drive of the motor 2, thereby effectively meshing with the worm gear 9 for transmission, achieving precise position adjustment and stable operation of the entire printed version fixing mechanism.
[0039] Working principle: first, start the left side of the shell 1 two motor 2 drive output end of the worm 3 rotation, when two worm 3 with the same speed and direction of rotation, the worm wheel 9 exert balanced force, make the worm wheel 9 along the worm 3 axis direction moves, thus drive the sliding platform 5 in the first sliding slot 4 in the wall of the shell 1 before and after two sides sliding, when two worm 3 with different speed or opposite direction of rotation, drive the worm wheel 9 around its axis rotation, in turn drive the first gear 10 on the top of the worm wheel 9 rotation, because the first rack 8 and the first gear 10 meshing, drive the sliding frame 7 in the second sliding slot 6 in the sliding platform 5 inside before and after two sides move, realize the position of the top fixed plate 11 on the printed version of the body 21 fine adjustment;
[0040] Press the fixed plate 11 rear side of the press bar 14, drive the second rack 15 in the rear side of the third sliding slot 20 and extrude the front end of the spring 16, at the same time drive the second gear 17 rotation, make the top rotating part 13 rotation, at this moment will print version of the body 21 through the bottom of the four guide slot 18 installed on the four limiting column 12 on the top of the fixed plate 11, loosen the press bar 14, spring 16 push the second rack 15 reset, make the second gear 17 and rotating part 13 in the fixed groove 19 at the bottom of the print version of the body 21 rotation, realize the quick fixing of the print version of the body 21.
[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A quick-change printing plate fixing mechanism comprising a housing (1), characterized in that: The left side of the shell (1) is fixedly connected with two motors (2), the output ends of the two motors (2) are fixedly provided with worm gears (3), the two worm gears (3) are meshedly connected with a worm wheel (9), the top end of the worm wheel (9) is fixedly connected with a first gear (10), the inner walls of the shell (1) are provided with first sliding grooves (4) on the front and rear sides, the two first sliding grooves (4) are slidably connected with a sliding table (5), the left and right sides of the sliding table (5) are provided with second sliding grooves (6), the two second sliding grooves (6) are slidably connected with a sliding frame (7), the left side of the sliding frame (7) is fixedly connected with a first rack (8), the first rack (8) and the first gear (10) are meshedly connected, the top of the sliding frame (7) is fixedly connected with a fixed plate (11), the top of the fixed plate (11) is provided with a printed version body (21), the inner wall of the fixed plate (11) is provided with a mounting assembly, and the mounting assembly is used for mounting the printed version body (21).
2. A quick-change printing form fixation mechanism according to claim 1, characterized in that: The mounting assembly comprises a second gear (17), the second gear (17) is rotatably connected with the inner wall of the fixed plate (11), the top and bottom of the inner wall of the fixed plate (11) are provided with third sliding grooves (20), the two third sliding grooves (20) are slidably connected with a second rack (15), the second gear (17) and the second rack (15) are meshedly connected, and the top end of the second gear (17) is fixedly connected with a rotating piece (13).
3. A quick-change printing form fixation mechanism according to claim 1, characterized in that: The bottom of the printed version body (21) is provided with a fixed groove (19), and the bottom of the printed version body (21) is provided with four guide grooves (18).
4. A quick-change printing form fixation mechanism according to claim 1, characterized in that: The top of the fixed plate (11) is fixedly connected with four limiting columns (12).
5. A quick change printing form fixation mechanism according to claim 2, characterized in that: The front end of the second rack (15) is fixedly connected with a spring (16), and the front end of the spring (16) is fixedly connected with the inner wall of the fixed plate (11).
6. A quick change printing form fixation mechanism according to claim 2, characterized in that: The rear side of the second rack (15) is fixedly connected with a pressing rod (14), the rear end of the pressing rod (14) penetrates and extends to the rear side of the fixed plate (11), and the pressing rod (14) and the fixed plate (11) are slidably connected.
7. A quick change printing form fixation mechanism according to claim 1, characterized in that: The sliding table (5) and the worm wheel (9) are rotatably connected, and the sliding table (5) and the first gear (10) are rotatably connected.
8. A quick change printing form fixation mechanism according to claim 1, characterized in that: The right ends of the two worm gears (3) are rotatably connected with the inner wall of the shell (1).