Scraper structure of printing machine

By employing gears, racks, and limiting structures on the doctor blade of the printing press, the installation process of the doctor blade is simplified, solving the problem of inconvenient installation in existing technologies and improving production efficiency.

CN223948837UActive Publication Date: 2026-02-27YANGZHOU WEIPENG MASCH CO LTD
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Patent Information

Application Number
CN202520823520.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-27
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

The installation process of the existing printing press doctor blades, which uses bolt connections, is inconvenient and time-consuming, affecting production efficiency.

Method used

The design employs a gear, rack, and limiting structure in conjunction with bolts. The scraper moves by meshing with the gear and rack, and the scraper position is fixed by the limiting rack and nut, simplifying the installation process.

Benefits of technology

This reduces the difficulty and time required for scraper installation and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of printing machines, and discloses a printing machine scraper structure which comprises a scraper, a mounting plate is fixedly connected to the top of the scraper, a connecting frame is slidably connected to the outer side of the mounting plate, two rotating shafts are fixedly connected to the interior of the mounting plate, and gears are rotatably connected to the outer sides of the rotating shafts. The outer side of the gear is engaged with an auxiliary rack. The scraper is pushed to drive the mounting plate to move, the gear is driven to move, the gear is meshed with the auxiliary rack, the gear rotates on the auxiliary rack, when the scraper moves to a designated position, the bolt can be shifted to drive the limiting rack to move, and when the limiting rack moves to a designated position, the nut can be rotated to drive the limiting rack to move. And the second connecting plate is extruded, so that the position of the second connecting plate is fixed, the position of the scraper is fixed, installation is completed, the installation difficulty is reduced, the scraper installation time is shortened, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine technical field more specifically, the utility model relates to a printing machine doctor blade structure. BACKGROUND

[0002] The printing machine is the machine that prints character and image, modern printing machine generally comprises the mechanism that is equipped with edition, applies ink, prints, transports paper, etc. Its working principle is: first, the character and image that want to print are made into printing plate, are equipped with in printing machine, then by hand or printing machine the ink is applied to the place with character and image on printing plate, is directly or indirectly transferred to paper or other printing material (such as textile, sheet metal, plastic, leather, board, glass and ceramic) on, to copy out with printing plate same printed matter.

[0003] The doctor blade on the printing machine used at present is generally connected by bolt when installing, but the doctor blade is installed by bolt, needs to rotate multiple bolts, so that the doctor blade can be installed, which leads to inconvenient installation, and more time-consuming, resulting in reduced production efficiency. UTILITY MODEL CONTENT

[0004] In order to overcome the defects of the prior art, the utility model provides a printing machine doctor blade structure, which has the advantages of reducing the installation time of the doctor blade and improving the production efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a printing machine doctor blade structure, including doctor blade, the top of doctor blade is fixedly connected with mounting plate, the outer side of mounting plate is slidably connected with connecting frame, the inside of mounting plate is fixedly connected with two rotating shafts, the outer side of rotating shaft is rotatably connected with gear, the outer side of gear is engaged with auxiliary rack, the outer side of auxiliary rack is fixedly connected with the inside of connecting frame, the outer side of gear is engaged with limit rack, the outer side of limit rack abuts against limit plate, the limit plate is fixedly connected with the inside of connecting frame, the outer side of limit rack is fixedly connected with two connecting rods, the connecting rod penetrates connecting frame and is slidably connected, the end of connecting rod is fixedly connected with first connecting plate.

[0006] As a preferred technical scheme of the utility model, the outer side of connecting rod is provided with positioning assembly, the positioning assembly includes second connecting plate fixedly connected between two first connecting plates, the inside of second connecting plate is slidably connected with bolt, the bolt penetrates connecting frame and is slidably connected, the outer side of bolt is threadedly connected with nut.

[0007] As a preferred technical scheme of the utility model, the top of connecting frame is provided with mounting assembly, the mounting assembly includes connecting column fixedly connected to the top of connecting frame, the outer side of connecting column is slidably connected with sleeve, the inside of connecting column is slidably connected with two first sliding rods.

[0008] As a preferred technical scheme of the utility model, the installation assembly further includes a clasp fixedly connected to the end of the first slide rod, the clasp penetrates the sleeve and is in sliding connection, the clasp is in sliding connection with the inside of the connecting column, and the first spring is fixedly connected between the clasp and the connecting column.

[0009] As a preferred technical scheme of the utility model, the sleeve outside is provided with a pushing assembly, the pushing assembly includes a second slide rod penetrating the sleeve and being in sliding connection inside the sleeve, the end of the second slide rod is fixedly connected with a pushing block, and the pushing block is in sliding connection with the inside of the sleeve.

[0010] As a preferred technical scheme of the utility model, the end of the second slide rod is fixedly connected with a handle, and the second spring is fixedly connected between the handle and the sleeve.

[0011] As a preferred technical scheme of the utility model, the nut outside abuts against the second connecting plate outside.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、 the utility model discloses a pushing scraper, which drives the installation plate to move, and then drives the gear to move, so that the gear is engaged with the auxiliary rack, then the scraper is continuously pushed, so that the gear rotates on the auxiliary rack, when the scraper moves to the specified position, the second connecting plate is moved by turning the bolt, the first connecting plate is moved, when the limiting rack moves to the specified position, the nut is rotated, the second connecting plate is extruded by the nut, the position of the second connecting plate is fixed, the position of the scraper is fixed, the installation is completed, the installation difficulty is reduced, the time of installing the scraper is reduced, and the production efficiency is improved.

[0014] 2、 the utility model discloses a pushing handle, which pushes the second slide rod, extrudes the second spring, and drives the pushing block to move, so that the clasp is pushed out of the inner wall of the sleeve, then the connecting column can be moved, the length of the connecting column can be adjusted, and the position of the scraper can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall side view structural schematic diagram of the utility model;

[0016] Figure 2 It is an internal partial assembly split structure top view schematic diagram of the utility model;

[0017] Figure 3 It is an internal partial assembly split structure schematic diagram of the utility model;

[0018] Figure 4 For the utility model Figure 3 Amplification structure schematic view in A area

[0019] Figure 5 For the utility model part component split structure schematic view

[0020] Figure 6 For the utility model Figure 5 Amplification structure schematic view in B area

[0021] In the drawing: 1, doctor blade;2, mounting plate;3, connecting frame;4, connecting column;5, first sliding rod;6, clasp bolt;7, first spring;8, sleeve;9, second sliding rod;10, handle;11, second spring;12, push block;13, rotating shaft;14, gear;15, auxiliary rack;16, limit rack;17, limit plate;18, connecting rod;19, first connecting plate;20, second connecting plate;21, bolt;22, nut. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 scope of protection of the utility model.

[0023] As Figures 1 to 6 Indicated, the utility model provides a kind of printing machine doctor blade structure, including doctor blade 1, and the top of doctor blade 1 is fixedly connected with mounting plate 2, and the outer side of mounting plate 2 is slidably connected with connecting frame 3, and the inside of mounting plate 2 is fixedly connected with two rotating shafts 13, and the outer side of rotating shaft 13 is rotatably connected with gear 14, and the outer side of gear 14 is engaged with auxiliary rack 15, and the outer side of auxiliary rack 15 is fixedly connected with the inside of connecting frame 3, and the outer side of gear 14 is engaged with limit rack 16, and the outer side of limit rack 16 is abutted with limit plate 17, and limit plate 17 is fixedly connected with the inside of connecting frame 3, and the outer side of limit rack 16 is fixedly connected with two connecting rods 18, and connecting rod 18 penetrates connecting frame 3 and is slidably connected, and the end of connecting rod 18 is fixedly connected with first connecting plate 19.

[0024] By pushing the scraper 1, the mounting plate 2 is moved, the gear 14 is moved, the gear 14 is engaged with the auxiliary rack 15, then the scraper 1 is continuously pushed, the gear 14 is rotated on the auxiliary rack 15, when the scraper 1 moves to the specified position, the first connecting plate 19 is pulled, the connecting rod 18 is moved, the limiting rack 16 is moved, the limiting rack 16 is moved to the inside of the gear 14, the limiting rack 16 is engaged with the gear 14, the position of the limiting rack 16 is limited by the limiting plate 17, the position of the gear 14 is limited by the limiting rack 16, the position of the scraper 1 is limited, the installation is completed, the installation difficulty is reduced, the time for installing the scraper 1 is reduced, and the production efficiency is improved.

[0025] Wherein the connecting rod 18 is provided with a positioning assembly outside, the positioning assembly comprises a second connecting plate 20 fixedly connected between the two first connecting plates 19, a bolt 21 is slidably connected inside the second connecting plate 20, the bolt 21 penetrates through the connecting frame 3 and is slidably connected, and a nut 22 is threadedly connected outside the bolt 21.

[0026] By pulling the bolt 21, the second connecting plate 20 is moved, the first connecting plate 19 is moved, when the limiting rack 16 moves to the specified position, the nut 22 is rotated, the second connecting plate 20 is extruded by the nut 22, the position of the second connecting plate 20 is fixed, and the position of the scraper 1 is fixed.

[0027] Wherein the connecting frame 3 is provided with a mounting assembly on the top, the mounting assembly comprises a connecting column 4 fixedly connected to the top of the connecting frame 3, a sleeve 8 is slidably connected outside the connecting column 4, and two first sliding rods 5 are slidably connected inside the connecting column 4.

[0028] Wherein the mounting assembly further comprises a clamping bolt 6 fixedly connected to the end of the first sliding rod 5, the clamping bolt 6 penetrates through the sleeve 8 and is slidably connected, the clamping bolt 6 is slidably connected with the connecting column 4, and a first spring 7 is fixedly connected between the clamping bolt 6 and the connecting column 4.

[0029] By moving the connecting column 4, the clamping bolt 6 is moved, the first sliding rod 5 is moved, and the first spring 7 is extruded, so that the length of the connecting column 4 can be controlled in cooperation with the sleeve 8, and the position of the scraper 1 can be adjusted.

[0030] Wherein the sleeve 8 is provided with a pushing assembly outside, the pushing assembly comprises a second sliding rod 9 penetrating through the sleeve 8 and being slidably connected inside the sleeve 8, a pushing block 12 is fixedly connected to the end of the second sliding rod 9, and the pushing block 12 is slidably connected with the inside of the sleeve 8.

[0031] The second sliding rod 9 is fixedly connected with the handle 10 at one end.

[0032] The handle 10 is fixedly connected with the second spring 11 between the sleeve 8.

[0033] The nut 22 is in abutment with the second connecting plate 20.

[0034] The position of the second connecting plate 20 is limited by the nut 22.

[0035] The working principle and use process of the utility model are as follows: the scraper 1 is pushed to drive the mounting plate 2 to move, the gear 14 is driven to move, the gear 14 is meshed with the auxiliary rack 15, the scraper 1 is continuously pushed to drive the gear 14 to rotate on the auxiliary rack 15, when the scraper 1 moves to a specified position, the first connecting plate 19 is pulled to drive the connecting rod 18 to move, the limiting rack 16 is driven to move, the limiting rack 16 is moved into the gear 14, the limiting rack 16 is meshed with the gear 14, the position of the limiting rack 16 is limited by the limiting plate 17, the position of the gear 14 is limited by the limiting rack 16, the position of the scraper 1 is limited, the installation is completed, the installation difficulty is reduced, the time for installing the scraper 1 is reduced, and the production efficiency is improved.

[0036] The second connecting plate 20 is moved by pulling the bolt 21, the first connecting plate 19 is moved, when the limiting rack 16 moves to a specified position, the nut 22 is rotated to press the second connecting plate 20 by the nut 22, the position of the second connecting plate 20 is fixed, and the position of the scraper 1 is fixed.

[0037] It should be noted that, in the present document, the terms such as first and second, etc., are merely 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", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A printing machine doctor blade construction comprising a doctor blade (1) characterised in that: The scraper (1) top fixedly connected with the mounting plate (2), the mounting plate (2) outside slide connection has the connecting frame (3), the mounting plate (2) inside fixedly connected with two rotating shafts (13), the rotating shaft (13) outside rotationally connected with the gear (14), the gear (14) outside engagement has the auxiliary rack (15), the auxiliary rack (15) outside and connecting frame (3) inside fixedly connected, the gear (14) outside engagement has the limit rack (16), the limit rack (16) outside abuts with the limiting plate (17), the limiting plate (17) and connecting frame (3) inside fixedly connected, the limit rack (16) outside fixedly connected with two connecting rods (18), the connecting rod (18) penetrates the connecting frame (3) and is slide connection, the connecting rod (18) end fixedly connected with the first connecting plate (19).

2. A print doctor blade structure according to claim 1 wherein: The connecting rod (18) outside is provided with positioning assembly, the positioning assembly includes the second connecting plate (20) fixedly connected between the two first connecting plate (19), the second connecting plate (20) inside slide connection has the bolt (21), the bolt (21) penetrates the connecting frame (3) and is slide connection, the bolt (21) outside threadedly connected with the nut (22).

3. A print doctor blade structure as claimed in claim 1, wherein: The connecting frame (3) top is provided with installation component, the installation component includes the connecting column (4) fixedly connected in the connecting frame (3) top, the connecting column (4) outside slide connection has the sleeve (8), the connecting column (4) inside slide connection has two first slide bars (5).

4. A print doctor structure according to claim 3, wherein: The installation component further includes the clavus (6) fixedly connected in the first slide bar (5) end, the clavus (6) penetrates the sleeve (8) and is slide connection, the clavus (6) and connecting column (4) inside slide connection, the clavus (6) and connecting column (4) between fixedly connected with the first spring (7).

5. A print doctor structure as claimed in claim 3, wherein: The sleeve (8) outside is provided with push assembly, the push assembly includes the second slide bar (9) penetrating the sleeve (8) and in the sleeve (8) inside slide connection, the second slide bar (9) end fixedly connected with the push block (12), the push block (12) and sleeve (8) inside slide connection.

6. A print doctor structure according to claim 5, wherein: The second slide bar (9) end fixedly connected with the handle (10), the handle (10) and sleeve (8) between fixedly connected with the second spring (11).

7. A print doctor blade structure according to claim 2 wherein: The nut (22) outside and the second connecting plate (20) outside abut.