Scraper adjusting device of printing machine
The adjustable mounting plate and fixing plate structure solves the problem of squeegee width adaptability, achieves stable squeegee installation and printing process stability, and improves the adaptability of the printing press and printing quality.
Patent Information
- Application Number
- CN202520427517.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The mounting slot size of the existing printing press doctor blade adjustment device is fixed, which cannot accommodate doctor blades of different widths, resulting in poor adaptability.
The adjustable mounting plate and fixing plate structure, through threaded connection and electric push rod drive, achieves stable installation of the squeegee and adapts to different widths; combined with the drive motor and threaded screw, it realizes the movement and imprinting functions of the squeegee; fixing bolts are used to ensure the stable installation of the printing plate.
The adaptability of the doctor blade has been improved, ensuring that it does not move or fall off during operation, thus guaranteeing printing quality and work efficiency, and enhancing the stability and precision of the printing process.
Smart Images

Figure CN223803237U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of printing machine doctor blade, specifically is a printing machine doctor blade adjusting device. BACKGROUND
[0002] At present, the printing machine is an advanced mechanical equipment, is used for copying text and image accurately to various media, such as paper, plastic, metal etc. This machine has wide application in publishing industry, advertising industry, packaging industry and daily office. In addition, in order to adapt to environmental protection demand, many new printing equipment also pay more attention to energy saving and emission reduction, adopt more environment-friendly materials and technology, to reduce the influence on the environment. In short, whether it is traditional offset printing or emerging digital printing method, printing machine is in the continuous evolution, to meet the increasing demand of information dissemination of people.
[0003] According to the patent with the announcement number CN211843611U, a kind of doctor blade adjusting device of full-automatic vision printing machine, including frame, the upper portion of the frame is provided with bearing frame, the top of the bearing frame is fixedly installed with air cylinder, and the lower portion of bearing frame is provided with bearing plate, the bottom of the bearing plate is provided with installation slot, the inside of the installation slot is provided with doctor blade. Through the cooperation between bearing frame, air cylinder, bearing plate, motor, first sliding slot, second sliding slot, first adjusting shaft and second adjusting shaft, the acting height of doctor blade can be adjusted, and doctor blade reciprocating motion is also enabled, increase the doctor coating quality of the adjusting device, and through the cooperation between installation slot, round hole, connecting slot, groove, connecting plate, spring, first magnet, second magnet and pull rod.
[0004] In the above scheme, the inside of installation slot is provided with doctor blade, which still has the following shortcomings: since the size of installation slot is fixed, it cannot install doctor blade of different width, which leads to poor adaptability of the device. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of printing machine doctor blade adjusting device to solve the problem that since the size of installation slot is fixed, it cannot install doctor blade of different width, which leads to poor adaptability of the device.
[0006] In order to realize the above-mentioned utility model purposes, the utility model adopts the following technical scheme: a printing machine doctor blade adjusting device, including the mounting frame, the mounting frame is provided with the mounting strip on the sliding, the bottom of the mounting strip is provided with the electric push rod, the telescopic end of the electric push rod is connected with the mounting plate, the bottom of the mounting plate is provided with a plurality of slide grooves, the inner portion of a plurality of slide grooves is provided with the sliding block respectively, the bottom surface of the mounting plate is provided with two fixed plates, wherein two sliding blocks are a group, the bottom surface of each group of sliding blocks is connected with the top surface of the fixed plate, a plurality of first fixed holes are respectively formed in two fixed plates, wherein two first fixed holes are a group, the inside of each group of first fixed holes is connected with the first fixed bolt, one end of the first fixed bolt is connected with the nut in screw thread, the fixed plate is provided with the doctor blade between two.
[0007] Preferably, two installation grooves are formed in the mounting frame, a driving motor is connected to one side of the mounting frame, a threaded lead screw is connected to the output end of the driving motor, and the threaded lead screw is threadedly connected with the mounting strip.
[0008] Preferably, a fixed rod is arranged in the installation groove, and the mounting strip is slidably sleeved on the outer wall of the fixed rod.
[0009] Preferably, an installation frame is arranged below the doctor blade, and a printing plate is arranged in the installation frame.
[0010] Preferably, a plurality of second fixed holes are formed in the two sides of the installation frame, and a second fixed bolt is slidably inserted into the second fixed hole.
[0011] Preferably, a bottom plate is connected to the bottom of the mounting frame, two connecting blocks are connected to the mounting frame, and the left and right sides of the installation frame are connected to the two connecting blocks respectively.
[0012] Compared with the prior art, the printing machine doctor blade adjusting device adopting the above technical scheme has the following beneficial effects:
[0013] I. In use, the worker needs to loosen the nut first, so as to adjust the distance between the two fixed plates to adapt to the width of the doctor blade. Then, the doctor blade is placed between the two fixed plates. Finally, by tightening the nut and the first fixed bolt again, the doctor blade is firmly installed on the mounting plate, which can effectively prevent the doctor blade from moving or falling off during work, thereby ensuring the printing quality and work efficiency. The distance between the two fixed plates can be adjusted to adapt to doctor blades of different widths, improving the adaptability of the device.
[0014] In use, the output end of the driving motor drives the threaded lead screw to rotate, the threaded lead screw drives the mounting strip to move, the telescopic end of the electric push rod is extended downward, thereby driving the mounting strip to move, the mounting strip drives the fixed plate to move, the fixed plate drives the scraper to move, the scraper exerts pressure on the printing plate and moves, pushes the ink from one side of the printing plate to the other side, and at the same time makes the ink penetrate through the mesh holes of the graphic area on the printing plate to the surface of the printing material, forming a printing pattern same as the graphic of the printing plate.
[0015] In use, the second fixing bolt can be adjusted according to the size of the printing plate, is inserted into the second fixing hole, thereby ensuring that the printing plate is stably installed in the frame, and guaranteeing the stability and precision of the printing process. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a perspective view of the embodiment.
[0017] Figure 2 It is a perspective view of the mounting plate of the embodiment.
[0018] Figure 3 It is a split perspective view of the sliding groove of the embodiment.
[0019] Figure 4 It is a perspective view of the printing plate of the embodiment.
[0020] In the figure: 1, mounting frame; 2, mounting strip; 3, electric push rod; 4, mounting plate; 5, sliding groove; 6, sliding block; 7, fixed plate; 8, first fixing hole; 9, first fixing bolt; 10, scraper; 11, mounting groove; 12, driving motor; 13, threaded lead screw; 14, fixed rod; 15, mounting frame; 16, printing plate; 17, second fixing hole; 18, second fixing bolt; 19, bottom plate; 20, connecting block. DETAILED DESCRIPTION
[0021] The preferred embodiment of the present application is described in detail below with reference to the accompanying drawings.
[0022] As Figures 1-4As shown in the printed matter, a printing machine doctor blade adjusting device, comprising a mounting frame 1, a mounting strip 2 is slidably arranged on the mounting frame 1, a bottom of the mounting strip 2 is provided with an electric push rod 3, a telescopic end of the electric push rod 3 is connected with a mounting plate 4, a bottom of the mounting plate 4 is provided with a plurality of sliding grooves 5, a plurality of sliding grooves 5 are slidably arranged with sliding blocks 6 respectively, a bottom surface of the mounting plate 4 is provided with two fixed plates 7, wherein the two sliding blocks 6 are a group, a bottom surface of each group of sliding blocks 6 is connected with a top surface of the fixed plate 7, a plurality of first fixed holes 8 are respectively arranged on the two fixed plates 7, wherein the two first fixed holes 8 are a group, a first fixed bolt 9 is connected in the interior of each group of first fixed holes 8, one end of the first fixed bolt 9 is threadedly connected with a nut, a doctor blade 10 is arranged between the two fixed plates 7, a bottom of the mounting frame 1 is connected with a bottom plate 19, the mounting frame 1 is connected with two connecting blocks 20, the two connecting blocks 20 are respectively connected with left and right sides of the mounting frame 15.
[0023] In use, the worker needs to loosen the nut first, so as to adjust the distance between the two fixed plates 7 to adapt to the width of the doctor blade 10. Then, the doctor blade 10 is placed between the two fixed plates 7. Finally, by tightening the nut and the first fixed bolt again, it is ensured that the doctor blade 10 is stably mounted on the mounting plate 4, which can effectively avoid the movement or falling of the doctor blade 10 during work, thereby ensuring the printing quality and work efficiency. The distance between the two fixed plates 7 can be adjusted to adapt to the doctor blade 10 of different widths, thereby improving the adaptability of the device.
[0024] As shown in the printed matter, Figures 1-4 A mounting groove 11 is arranged on the mounting frame 1, a drive motor 12 is connected to one side of the mounting frame 1, an output end of the drive motor 12 is connected with a threaded lead screw 13, the threaded lead screw 13 is threadedly connected with the mounting strip 2, a fixed rod 14 is arranged in the interior of the mounting groove 11, the mounting strip 2 is slidably arranged on the outer wall of the fixed rod 14, a mounting frame 15 is arranged below the doctor blade 10, and a printing plate 16 is arranged in the interior of the mounting frame 15.
[0025] In use, the output end of the drive motor 12 drives the threaded lead screw 13 to rotate, the threaded lead screw 13 drives the mounting strip 2 to move, the telescopic end of the electric push rod 3 is elongated downward, thereby driving the mounting strip 2 to move, the mounting strip 2 drives the fixed plate 7 to move, the fixed plate 7 drives the doctor blade 10 to move, the doctor blade 10 exerts pressure on the printing plate 16 and moves, pushes the ink from one side of the printing plate 16 to the other side, and at the same time makes the ink penetrate to the surface of the printing material through the mesh holes of the graphic area on the printing plate 16, thereby forming the printing pattern same as the graphic of the printing plate 16.
[0026] As shown in the printed matter, Figures 1-4 A plurality of second fixed holes 17 are respectively arranged on the two sides of the mounting frame 15, and a second fixed bolt 18 is slidably inserted into the interior of the second fixed hole 17.
[0027] In use, the second fixing bolt can be adjusted according to the size of the printing plate 16, and is inserted into the second fixing hole 17, so that the printing plate 16 is stably installed in the frame, and the stability and precision of the printing process are ensured.
[0028] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A printing press doctor blade adjustment device comprising a mounting frame (1), characterized in that, The mounting frame (1) is provided with a mounting strip (2) slidingly arranged on the mounting frame (1), the bottom of the mounting strip (2) is provided with an electric push rod (3), the telescopic end of the electric push rod (3) is connected with a mounting plate (4), the bottom of the mounting plate (4) is provided with a plurality of sliding grooves (5), the inner part of the plurality of sliding grooves (5) is respectively provided with a sliding block (6), the bottom surface of the mounting plate (4) is provided with two fixed plates (7), wherein the two sliding blocks (6) are a group, the bottom surface of each group of sliding blocks (6) is connected with the top surface of the fixed plate (7), a plurality of first fixing holes (8) are respectively arranged on the two fixed plates (7), wherein the two first fixing holes (8) are a group, the inner part of each group of first fixing holes (8) is connected with a first fixing bolt (9), one end of the first fixing bolt (9) is threadedly connected with a nut, and a scraper (10) is arranged between the two fixed plates (7).
2. A printing press doctor blade adjustment device according to claim 1, characterised in that: The mounting frame (1) is provided with two mounting grooves (11), one side of the mounting frame (1) is connected with a driving motor (12), the output end of the driving motor (12) is connected with a threaded screw rod (13), and the threaded screw rod (13) is threadedly connected with the mounting strip (2).
3. A printing press doctor blade adjustment device according to claim 2, characterised in that: The inside of the mounting groove (11) is provided with a fixed rod (14), and the mounting strip (2) is slidingly sleeved on the outer wall of the fixed rod (14).
4. A printing press doctor blade adjustment device according to claim 1, wherein: The lower part of the scraper (10) is provided with a mounting frame (15), and the inside of the mounting frame (15) is provided with a printing plate (16).
5. A printing press doctor blade adjustment device according to claim 4, wherein: The two sides of the mounting frame (15) are respectively provided with a plurality of second fixing holes (17), and the second fixing holes (17) are slidingly inserted with a second fixing bolt (18).
6. A printing press doctor blade adjustment device according to claim 5, wherein: The bottom of the mounting frame (1) is connected with a bottom plate (19), the mounting frame (1) is connected with two connecting blocks (20), and the left and right sides of the mounting frame (15) are respectively connected with the two connecting blocks (20).
Citation Information
Patent Citations
Scraper adjusting device of full-automatic visual printing machine
CN211843611U