Scraper structure of printing machine

By introducing a fixing component and a threaded rod adjustment system into the doctor blade structure of the printing press, the problems of inconvenient doctor blade installation and adjustment are solved, enabling convenient doctor blade position adjustment and stability, and improving printing quality.

CN223904734UActive Publication Date: 2026-02-13SHENZHEN FUQUN PRINTING CO LTD
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Patent Information

Application Number
CN202520584160.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-13
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

The existing printing press doctor blade structure is fixed with bolts, which is inconvenient for installation and disassembly, and the horizontal state of the doctor blade is difficult to adjust, affecting the printing quality.

Method used

The upper and lower clamping plates are connected by a fixing component, and the screw rod is screwed into the screw hole. The rotating wheel drives the screw rod to rotate, thereby adjusting the position of the scraper and achieving convenient scraper position adjustment.

Benefits of technology

It improves the ease of installing and removing the doctor blade, allows for fine adjustments, ensures the stability of the doctor blade's horizontal position, and enhances printing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of printing machines, and particularly relates to a printing machine scraper structure which comprises a scraper assembly, the scraper assembly comprises an upper clamping plate and a lower clamping plate, a fixing assembly is installed at the top of the upper clamping plate and comprises a base, a bolt is installed on the base, a pressing rod is installed at the top of the bolt, and the pressing rod is connected with the upper clamping plate. An adjusting assembly is installed between the upper clamping plate and the lower clamping plate, the adjusting assembly comprises an installation frame, the upper clamping plate can be connected with the lower clamping plate through a fixing assembly arranged on the upper clamping plate, and the installation frame between the upper clamping plate and the lower clamping plate can be rapidly clamped and fixed through the fixing assembly. The threaded rod is in threaded connection with the threaded connection hole, so that when the upper clamping plate and the lower clamping plate are in a loose state, the rotating wheel is rotated, the rotating wheel drives the threaded rod to rotate, the threaded rod drives the mounting frame to move, the position of the scraper can be adjusted, and compared with manual adjustment of the position of the scraper, the device is more convenient to adjust, and fine adjustment can be conducted.
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Description

TECHNICAL FIELD

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

[0002] The printing machine is the machine of printing character and image, modern printing machine generally is composed of the mechanism such as edition, ink application, impression, paper conveying, its working principle is: first, the character and image to be printed are made into printing plate, are installed on printing machine, then by hand or printing machine, ink is applied to the place of character and image on printing plate, is directly or indirectly transferred to paper or other receiving material, thereby, the same printing product as printing plate is copied out, the invention and development of printing machine, for the spread of human civilization and culture have important role, one kind of printing machine is the letterpress printing machine, when printing, the impression cylinder of round type and the printing plate of plane contact, the printing speed is faster than the speed of flat pressure flat type printing machine, is favorable to the large format printing. According to the movement form of impression cylinder, the letterpress printing machine of round pressure flat is divided into one rotation and two rotations two.

[0003] In the prior art, the printing plate needs to be transferred to the printing plate by the ink roller, so a doctor blade structure is installed on one side of the ink roller, which prevents too much ink on the ink roller from affecting the printing quality. However, the existing doctor blade structure is fixed by bolts, so it is very inconvenient to install and remove the doctor blade, and the doctor blade is installed in the holder, which needs to be kept horizontal. The existing holder is not convenient for adjusting the horizontal state of the doctor blade. In view of the above problems, it is necessary to improve it. SUMMARY

[0004] The purpose of this section is to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the doctor blade structure of the existing printing machine, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a printing machine doctor blade structure, which can be connected with the lower clamping plate through the fixing assembly arranged on the upper clamping plate, and the mounting frame between the upper and lower clamping plates can be quickly clamped and fixed through the fixing assembly.

[0007] The threaded rod is screwed with the screwing hole, so when the upper clamping plate and the lower clamping plate are in a relaxed state, the position of the scraper can be adjusted by rotating the rotating wheel, the rotating wheel drives the threaded rod to rotate, and the threaded rod drives the mounting frame to move.

[0008] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:

[0009] A scraper structure of a printing machine comprises a scraper assembly;

[0010] The scraper assembly comprises an upper clamping plate and a lower clamping plate, the upper clamping plate is provided with a fixing assembly at the top, the fixing assembly comprises a base, a bolt is installed on the base, a pressure rod is installed on the top of the bolt, an adjusting assembly is installed between the upper clamping plate and the lower clamping plate, the adjusting assembly comprises a mounting frame, a threaded rod is installed on one side of the mounting frame, and a rotating wheel is installed on the threaded rod.

[0011] As a preferred scheme of the scraper structure of the printing machine, the upper clamping plate is provided with a mounting hole at the top, and a screwing hole is formed in the side wall of the upper clamping plate.

[0012] As a preferred scheme of the scraper structure of the printing machine, a base is fixedly connected in the mounting hole, and the base is in sliding connection with the bolt.

[0013] As a preferred scheme of the scraper structure of the printing machine, the threaded rod is screwed with the screwing hole and is in rotary connection with the mounting frame through the screwing hole.

[0014] As a preferred scheme of the scraper structure of the printing machine, a connecting hole is formed in the lower clamping plate, and the bolt is screwed through the upper clamping plate and the connecting hole.

[0015] As a preferred scheme of the scraper structure of the printing machine, the pressure rod is in rotary connection with the bolt through a shaft rod, and the bottom of the pressure rod is in sliding connection with the base.

[0016] As a preferred scheme of the scraper structure of the printing machine, a mounting plate slot and a scraper slot are formed in the mounting frame, and a scraper mounting plate and an ink scraper are inserted into the mounting plate slot and the scraper slot.

[0017] Compared with the prior art, the present application has the following advantages: 1. The fixing assembly arranged on the upper clamping plate can be connected with the lower clamping plate, and the fixing assembly can quickly clamp and fix the mounting frame between the upper clamping plate and the lower clamping plate.

[0018] 2. The threaded rod is screwed with the screwing hole, so that when the upper clamp plate and the lower clamp plate are in a relaxed state, the position of the scraper can be adjusted by rotating the rotating wheel, the rotating wheel drives the threaded rod to rotate, and the threaded rod drives the mounting frame to move. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings. Among them:

[0020] Figure 1 is a structural schematic diagram of the present application;

[0021] Figure 2 is an explosive structural schematic diagram of the present application;

[0022] Figure 3 is a three-dimensional structural schematic diagram of the upper clamp plate of the present application;

[0023] Figure 4 is a three-dimensional structural schematic diagram of the adjusting assembly of the present application;

[0024] Figure 5 is a three-dimensional structural schematic diagram of the fixing assembly of the present application.

[0025] In the figure; 100 scraper assembly, 110 upper clamp plate, 120 mounting hole, 130 lower clamp plate, 140 connecting hole, 150 screwing hole, 200 fixing assembly, 210 base, 220 bolt, 230 pressing rod, 300 adjusting assembly, 310 mounting frame, 320 pad slot, 330 scraper slot, 340 threaded rod, 350 rotating wheel, 360 scraper pad, 370 ink scraper. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0028] Second, the utility model in combination with the schematic diagram is described in detail, in detail the utility model embodiment, for the convenience of explanation, the sectional view of the device structure will not be enlarged locally according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of the utility model protection here.In addition, the three-dimensional spatial dimension of length, width and depth should be included in actual production.

[0029] In order to make the purpose, technical scheme and advantage of the utility model more clear, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0030] The utility model provides the following technical scheme: a printing machine doctor blade structure, in the use process, the fixed assembly set up on the upper clamping plate can be connected with the lower clamping plate, and the fixed assembly can be quickly clamped and fixed the mounting frame between the upper clamping plate and the lower clamping plate.

[0031] The threaded rod is screwed with the screw hole, so that when the upper clamping plate and the lower clamping plate are in a relaxed state, the mounting frame is moved by rotating the rotating wheel and the threaded rod, the position of the doctor blade can be adjusted, compared with manually adjusting the position of the doctor blade, the device is more convenient to adjust, and fine adjustment can be carried out.

[0032] Figures 1-5 The structure schematic diagram of the first embodiment of the utility model printing machine doctor blade structure is shown, please refer to Figures 1-5 The main part of the doctor blade structure of the embodiment includes a doctor blade assembly 100.

[0033] The doctor blade assembly 100 includes an upper clamping plate 110 and a lower clamping plate 130, the upper clamping plate 110 is provided with a fixed assembly 200 on the top, the fixed assembly 200 includes a base 210, the base 210 is provided with a bolt 220, the bolt 220 is provided with a pressing rod 230 on the top, the upper clamping plate 110 and the lower clamping plate 130 are provided with an adjusting assembly 300, the adjusting assembly 300 includes a mounting frame 310, the mounting frame 310 is provided with a threaded rod 340 on one side, and the threaded rod 340 is provided with a rotating wheel 350.

[0034] The upper clamping plate 110 is provided with a mounting hole 120 at the top, and a screw hole 150 is formed in the side wall of the upper clamping plate 110. The base 210 is fixedly connected in the mounting hole 120, and the base 210 is slidably connected with the bolt 220. The threaded rod 340 is screwed with the screw hole 150 and rotationally connected with the mounting frame 310 penetrating the screw hole 150. The lower clamping plate 130 is provided with a connecting hole 140, and the bolt 220 is screwed with the connecting hole 140 penetrating the upper clamping plate 110. The pressure rod 230 is rotationally connected with the bolt 220 through a shaft rod, and the bottom of the pressure rod 230 is slidably connected with the base 210. The mounting frame 310 is provided with a pad slot 320 and a scraper slot 330, and the pad slot 320 and the scraper slot 330 are distributed with a scraper pad 360 and an ink scraper 370 inserted therein;

[0035] The upper clamping plate 110 is used to clamp and fix the mounting frame 310 with the lower clamping plate 130. The mounting hole 120 and the screw hole 150 formed on the surface are used to bear the base 210 and the threaded rod 340, respectively. The connecting hole 140 formed on the lower clamping plate 130 is used to screw with the bolt 220.

[0036] The fixing assembly 200 is used to adjust the tightness between the upper clamping plate 110 and the lower clamping plate 130 to clamp and fix the mounting frame 310. When it is necessary to fix the mounting frame 310, the pressure rod 230 is pulled downward, and the bolt 220 is lifted when the pressure rod 230 moves. The lower clamping plate 130 moves upward when the screw rod rises, and the mounting frame 310 can be clamped and fixed by cooperating with the upper clamping plate 110. When it is necessary to remove the mounting frame 310, the pressure rod 230 needs to be pulled upward, and the bolt 220 moves downward when the pressure rod 230 moves upward, so that the lower clamping plate 130 moves away from the upper clamping plate 110. The fixing assembly 200 provided on the upper clamping plate 110 can be connected with the lower clamping plate 130, and the mounting frame 310 between the upper clamping plate 110 and the lower clamping plate 130 can be quickly clamped and fixed through the fixing assembly 100;

[0037] The adjusting assembly 300 is used for adjusting the position of the squeegee pad 360 and the ink squeegee 370, the squeegee pad 360 and the ink squeegee 370 are respectively installed through the pad slot 320 and the squeegee slot 330 opened on the mounting frame 310, when it is needed to adjust the position of the squeegee, the threaded rod 340 is driven to rotate by the rotating wheel 350, the threaded rod 340 moves itself when it rotates because it is screwed with the screwing hole 150, the mounting frame 310 is driven to move when the threaded rod 340 moves, the squeegee pad 360 and the ink squeegee 370 are driven to move when the mounting frame 310 moves, the threaded rod 340 is screwed with the screwing hole 150, therefore, when the upper clamping plate 110 and the lower clamping plate 130 are in the relaxed state, the position of the squeegee can be adjusted by rotating the rotating wheel 350, the rotating wheel 350 drives the threaded rod 340 to rotate, the threaded rod 340 drives the mounting frame 310 to move, compared with manually adjusting the position of the squeegee, the device is more convenient to adjust and can be finely adjusted.

[0038] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent substitutions can be made to the components without departing from the scope of the present application. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present application can be combined in any manner, and the combinations are not exhaustively described in the present specification only for the consideration of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A print doctor structure, characterized by: The utility model provides a kind of scraper assembly (100); The scraper assembly (100) includes upper clamp plate (110) and lower clamp plate (130), the upper clamp plate (110) top is equipped with fixed component (200), the fixed component (200) includes base (210), the base (210) is equipped with bolt (220), the bolt (220) top is equipped with pressure rod (230), the upper clamp plate (110) and lower clamp plate (130) between installation is equipped with adjusting component (300), the adjusting component (300) includes mounting bracket (310), the mounting bracket (310) one side is equipped with threaded rod (340), the threaded rod (340) is equipped with runner (350).

2. A print doctor blade structure according to claim 1 wherein: The upper clamp plate (110) top is equipped with mounting hole (120), the upper clamp plate (110) side wall is equipped with screw hole (150).

3. A print doctor structure according to claim 2, wherein: The base (210) is fixedly connected in the mounting hole (120), and the base (210) is in sliding connection with the bolt (220).

4. A print doctor structure according to claim 2, wherein: The threaded rod (340) is screwed with the screw hole (150), and is rotatably connected with the mounting bracket (310) penetrating the screw hole (150).

5. A print doctor blade structure according to claim 1 wherein: The lower clamp plate (130) is equipped with connecting hole (140), and the bolt (220) penetrates the upper clamp plate (110) and is screwed with the connecting hole (140).

6. A print doctor blade structure according to claim 1 wherein: The pressure rod (230) is rotatably connected with the bolt (220) by shaft, and the bottom of the pressure rod (230) is in sliding connection with the base (210).

7. A print doctor blade structure according to claim 1 wherein: The mounting bracket (310) is equipped with backing plate slot (320) and scraper slot (330), and the backing plate slot (320) and the scraper slot (330) are distributed with scraper backing plate (360) and ink scraper (370) in plug-in connection.