Scraper holder adjusting device of corrugated board printing machine

By employing a squeegee holder adjustment device with components such as cylinders, electric push rods, and positioning frames on a corrugated cardboard printing machine, the problem of unstable squeegee holder adjustment was solved, stable positioning of the squeegee holder was achieved, and printing results were improved.

CN223559304UActive Publication Date: 2025-11-18DEZHOU XIANGYU PAPER CO LTD
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Patent Information

Application Number
CN202520150942.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-11-18
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The existing corrugated cardboard printing machine's squeegee holder lacks limit switches during adjustment, making it susceptible to external factors such as vibration and accidental activation, leading to unstable adjustment.

Method used

The scraper holder adjustment device, which consists of components such as cylinders, electric push rods, and positioning frames, achieves stable positioning of the scraper holder's angle and position through the cooperation of positioning discs and blocking rods, preventing external factors from affecting it.

Benefits of technology

This achieves stable positioning of the scraper holder, prevents external factors from affecting it, and improves the stability of adjustment and the reliability of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223559304U_ABST
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Abstract

The utility model belongs to the technical field of scraper holders of printing machines, and particularly relates to a scraper holder adjusting device of a corrugated board printing machine. The bracket is fixedly mounted at the top of the conveyor; the cylinder is fixedly mounted at the top of the bracket, and an output shaft of the cylinder penetrates through the bracket; the number of the fixing mechanisms and the number of the unlocking mechanisms are four, and the fixing mechanisms are matched with the unlocking mechanisms; the scraper frame mechanism comprises a fixing frame, two threaded rods, two clamps, an electric guide rail, two electric push rods, two scraper frames and two scrapers, and the angle of the scraper frames can be positioned through the positioning frame and the inner side of the positioning disc; the position of the scraper on the inner side of the scraper frame can be positioned through meshing of the blocking rod and the connecting rod, so that the position and the angle of the scraper are stably supported, and the position of the scraper frame is prevented from being influenced by external factors.
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Description

TECHNICAL FIELD

[0001] The utility model relates to printing machine doctor blade frame technical field especially, it relates to a kind of doctor blade frame adjusting device of corrugated board printing machine. BACKGROUND

[0002] Corrugated board water-based ink flexible printing machine is a kind of necessary mechanical equipment for corrugated board printing in carton packaging industry.Corrugated board is printed in printing machine printing part, and it is a water ink transfer process.Working process is, water ink is transferred to anilox roll first, then is transferred to flexographic plate by anilox roll, and finally is transferred to corrugated board surface by flexographic plate to complete printing.In this process, the control of anilox roll transfer ink amount is very important, and the amount and uniformity of ink directly affect the printing effect.

[0003] The doctor blade frame in prior art is mostly adjusted by bolt, lacks limiting after adjustment, and is easily affected by external factors, such as vibration and accidental touch, therefore, the utility model provides a kind of doctor blade frame adjusting device of corrugated board printing machine, to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings that doctor blade frame is mostly adjusted by bolt in prior art, lacks limiting after adjustment, and is easily affected by external factors, such as vibration and accidental touch, and provides a kind of doctor blade frame adjusting device of corrugated board printing machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of doctor blade frame adjusting device of corrugated board printing machine, including

[0007] Conveyer;

[0008] Support, the support is fixedly installed at the top of conveyer;

[0009] Cylinder, the cylinder is fixedly installed at the top of support, cylinder output shaft penetrates support;

[0010] Fixing mechanism and unlocking mechanism, the number of fixing mechanism and unlocking mechanism is four groups, and fixing mechanism cooperates with unlocking mechanism;

[0011] Doctor blade frame mechanism, the doctor blade frame mechanism includes: fixed frame, two threaded rods, two clamps, electric guide rail, two electric push rods, two doctor blade frames and two doctor blades;

[0012] The fixed frame is fixedly installed at the bottom end of the cylinder output shaft, both of the threaded rods are rotationally connected at the inner bottom of the fixed frame, both of the clamps are slidingly connected at the inner left side and the inner right side of the fixed frame, the inner side of the clamp is in threaded connection with the threaded rod, the electric guide rail is fixedly installed at the inner side of the fixed frame, both of the electric push rods are fixedly installed at the bottom of the electric guide rail, the top of both of the scraper frames is rotationally connected with the bottom end of the output shaft of both of the electric push rods, and the scraper is slidingly connected at the inner side of the scraper frame.

[0013] As a preferred scheme of the utility model, the mechanism comprises a positioning disc, a positioning frame, a spring, a fixed block and a connecting rod;

[0014] The positioning disc is fixedly connected with the electric push rod output shaft, the positioning frame is slidingly connected with the top of the scraper frame, the positioning frame is fixedly connected with the spring, the spring is fixedly connected with the fixed block, the fixed block is fixedly connected with the scraper frame, the connecting rod is fixedly installed at the top of the scraper, the connecting rod penetrates the scraper frame, and a plurality of blocking grooves are arranged at equal intervals on the connecting rod.

[0015] As a preferred scheme of the utility model, the mechanism comprises a control rod and a blocking rod;

[0016] The control rod is rotationally connected at the top of the scraper frame, the blocking rod is fixedly connected with the positioning frame, and the blocking rod cooperates with the connecting rod.

[0017] As a preferred scheme of the utility model, a plurality of positioning grooves are arranged at equal intervals on the positioning disc, a positioning block is fixedly installed on the positioning frame, and the positioning block is disengageably clamped with the positioning groove.

[0018] As a preferred scheme of the utility model, a round rod is fixedly installed at the bottom of the blocking rod, and the bottom of the round rod is slidingly connected with the inner wall of the control rod.

[0019] As a preferred scheme of the utility model, the outer side of the blocking rod is in sliding contact with the inner wall of the blocking groove.

[0020] Advantages:

[0021] 1. After the positioning frame is engaged with the positioning disc, the positioning frame can connect the positioning disc with the scraper frame, so as to block the rotation of the scraper frame on the positioning disc, and the angle of the scraper frame at the bottom of the electric push rod can be positioned;

[0022] 2. After the control rod is pulled and rotated, the control rod can drive the blocking rod to move, so that the blocking rod can drive the positioning frame to disengage from the positioning disc, the angle of the scraper frame is unlocked, then the blocking rod can disengage from the connecting rod, so that the height of the scraper on the scraper frame can be unlocked;

[0023] The utility model discloses: through the inner side of positioning frame and positioning disc, can position the angle of scraper frame, through the meshing of blocking lever and connecting rod, can position the position of scraper in the inner side of scraper frame, to the position and angle of scraper are supported stably, prevent the position of scraper frame from being influenced by external factor. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the side view three-dimensional drawing of the utility model;

[0025] Figure 2 It is the test amplification three-dimensional drawing of the utility model;

[0026] Figure 3 It is the scraper mechanism main view amplification three-dimensional drawing of the utility model;

[0027] Figure 4 It is the fixed mechanism and unlocking mechanism three-dimensional drawing of the utility model.

[0028] In the drawing: 1, conveyor; 2, support; 3, pneumatic cylinder; 4, fixed frame; 5, threaded rod; 6, clamp; 7, electric guide rail; 8, electric push rod; 9, scraper frame; 10, scraper; 11, positioning disc; 12, positioning frame; 13, spring; 14, fixed block; 15, blocking lever; 16, connecting rod; 17, control rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to 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.

[0030] EMBODIMENT

[0031] REFERENCE Figures 1-4 A kind of scraper frame adjusting device of corrugated board printing machine, including conveyor 1;

[0032] Support 2, support 2 is fixedly installed at the top of conveyor 1;

[0033] Pneumatic cylinder 3, pneumatic cylinder 3 is fixedly installed at the top of support 2, pneumatic cylinder 3 output shaft penetrates support 2;

[0034] Fixed mechanism and unlocking mechanism, the number of fixed mechanism and unlocking mechanism is four groups, and fixed mechanism is matched with unlocking mechanism;

[0035] Scraper frame mechanism, scraper frame mechanism includes: fixed frame 4, two threaded rods 5, two clamps 6, electric guide rail 7, two electric push rods 8, two scraper frames 9 and two scrapers 10;

[0036] The fixed frame 4 is fixedly installed at the bottom end of the output shaft of the cylinder 3, the two threaded rods 5 are rotationally connected at the inner bottom of the fixed frame 4, the two clamps 6 are slidingly connected at the inner left side and the inner right side of the two fixed frames 4 respectively, the inner side of the clamp 6 is screw-connected with the threaded rod 5, the electric guide rail 7 is fixedly installed at the inner side of the fixed frame 4, the two electric push rods 8 are fixedly installed at the bottom of the electric guide rail 7, the top of the two scraper frames 9 is rotationally connected with the bottom end of the output shaft of the two electric push rods 8 respectively, and the scraper 10 is slidingly connected at the inner side of the scraper frame 9.

[0037] Through the inner side of the positioning disc 11 and the positioning frame 12, the angle of the scraper frame 9 can be positioned, and through the meshing of the blocking rod 15 and the connecting rod 16, the position of the scraper 10 in the inner side of the scraper frame 9 can be positioned, so that the position and angle of the scraper 10 are stably supported, and the position of the scraper frame 9 is prevented from being affected by external factors.

[0038] As a preferred scheme of the utility model, the mechanism comprises: a positioning disc 11, a positioning frame 12, a spring 13, a fixed block 14 and a connecting rod 16.

[0039] The positioning disc 11 is fixedly connected with the output shaft of the electric push rod 8, the positioning frame 12 is slidingly connected with the top of the scraper frame 9, the positioning frame 12 is fixedly connected with the spring 13, the spring 13 is fixedly connected with the fixed block 14, the fixed block 14 is fixedly connected with the scraper frame 9, the connecting rod 16 is fixedly installed at the top of the scraper 10, the connecting rod 16 penetrates through the scraper frame 9, a plurality of blocking grooves are formed in the connecting rod 16 at equal intervals, after the positioning frame 12 meshes with the positioning disc 11, the positioning frame 12 can connect the positioning disc 11 with the scraper frame 9, so as to block the rotation of the scraper frame 9 on the positioning disc 11, and the angle of the scraper frame 9 at the bottom of the electric push rod 8 can be positioned.

[0040] As a preferred scheme of the utility model, the mechanism comprises: a control rod 17 and a blocking rod 15.

[0041] The control rod 17 is rotationally connected with the top of the scraper frame 9, the blocking rod 15 is fixedly connected with the positioning frame 12, and the blocking rod 15 cooperates with the connecting rod 16, after the control rod 17 is pulled to rotate, the control rod 17 can drive the blocking rod 15 to move, so that the blocking rod 15 can drive the positioning frame 12 to disengage from the positioning disc 11, the angle of the scraper frame 9 is unlocked, then the blocking rod 15 can disengage from the connecting rod 16, so as to unlock the height of the scraper 10 on the scraper frame 9.

[0042] As a preferred scheme of the utility model, a plurality of positioning grooves are formed in the positioning disc 11 at equal intervals, a positioning block is fixedly installed on the positioning frame 12, the positioning block is detachably clamped with the positioning groove, after the positioning block is inserted into the inner side of the positioning groove, the positioning block can block the rotation of the scraper frame 9, so as to realize the positioning of the scraper frame 9.

[0043] As a preferred scheme of the utility model, the bottom of the blocking rod 15 is fixedly installed with a round rod, the bottom of the round rod is in sliding connection with the inner wall of the control rod 17, and the round rod is used for connecting the blocking rod 15 and the control rod 17, so that the control rod 17 can drive the blocking rod 15 and the positioning frame 12 to move when rotating.

[0044] As a preferred scheme of the utility model, the outer side of the blocking rod 15 is in sliding contact with the inner wall of the blocking groove, after the blocking rod 15 is engaged with the blocking groove, the blocking rod 15 can block the movement of the connecting rod 16, so that the connecting rod 16 cannot move on the scraper frame 9, the positioning of the connecting rod 16 and the scraper 10 can be realized, so that the scraper 10 can stably be at the inner side of the scraper frame 9, and the stability during use is increased.

[0045] The working principle of the utility model discloses: when printing corrugated paperboard is needed, first, the printing plate is placed at the inner bottom of the fixing frame 4, then the two threaded rods 5 are rotated, the threaded rod 5 can drive the clamp 6 to descend to clamp and fix the printing plate, then the corrugated paperboard is placed on the conveyor 1, then the conveyor 1 is started, the conveyor 1 drives the corrugated paperboard to move, when moving to the bottom of the support 2, the air cylinder 3 is started, the air cylinder 3 pushes the fixing frame 4 to descend, drives the printing plate to move to the top of the corrugated paperboard, then the electric push rod 8 is started, the electric push rod 8 pushes the two scrapers 10 to adhere to the top of the printing plate, finally the electric guide rail 7 is started, the electric guide rail 7 drives the two electric push rods 8 and the two scrapers 10 to move horizontally to print the corrugated paperboard, when the scraper holder 9 needs to be adjusted, only need to push the two control rods 17 to rotate on the current position of the scraper holder 9, after the control rod 17 is pulled to rotate, the control rod 17 can drive the blocking rod 15 to move, so that the blocking rod 15 can drive the positioning frame 12 to disengage from the positioning disc 11, the angle of the scraper holder 9 is unlocked, then the blocking rod 15 can disengage from the connecting rod 16, so that the height of the scraper 10 on the scraper holder 9 can be unlocked, the scraper holder 9 can be rotated at the bottom end of the output shaft of the electric push rod 8, or the height of the scraper 10 on the inner side of the scraper holder 9 can be adjusted, the scraper 10 is convenient to use, after the adjustment is completed, the positioning frame 12 is released, so that the positioning frame 12 can automatically engage with the positioning disc 11, and drives the blocking rod 15 to engage with the connecting rod 16, after the positioning frame 12 engages with the positioning disc 11, the positioning frame 12 can connect the positioning disc 11 with the scraper holder 9, to block the rotation of the scraper holder 9 on the positioning disc 11, so that the angle of the scraper holder 9 at the bottom of the electric push rod 8 can be positioned, after the blocking rod 15 engages with the blocking groove, the blocking rod 15 can block the movement of the connecting rod 16, so that the connecting rod 16 cannot move on the scraper holder 9, so that the positioning of the connecting rod 16 and the scraper 10 can be realized, so that the scraper 10 can stably be on the inner side of the scraper holder 9, the stability during use is increased, the adjustment is rapid, and the position of the scraper holder 9 can be prevented from being affected by external factors, so that the scraper holder 9 and the scraper 10 can be stably used.

[0046] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A doctor blade holder adjustment device for a corrugated paperboard printing press, characterized by, It comprises a conveyor (1); A support (2) is fixedly installed on the top of the conveyor (1); A cylinder (3) is fixedly installed on the top of the support (2), and the output shaft of the cylinder (3) penetrates the support (2); Four sets of fixing mechanisms and unlocking mechanisms are matched with the fixing mechanisms and the unlocking mechanisms; The scraper holder mechanism comprises a fixed frame (4), two threaded rods (5), two clamps (6), an electric guide rail (7), two electric push rods (8), two scraper holders (9) and two scrapers (10); The fixed frame (4) is fixedly installed at the bottom end of the output shaft of the cylinder (3), the two threaded rods (5) are rotationally connected to the inner bottom of the fixed frame (4), the two clamps (6) are slidingly connected to the inner left side and the inner right side of the fixed frame (4), respectively, the inner side of the clamp (6) is threadedly connected with the threaded rod (5), the electric guide rail (7) is fixedly installed on the inner side of the fixed frame (4), the two electric push rods (8) are fixedly installed at the bottom of the electric guide rail (7), the top of the two scraper holders (9) is rotationally connected with the bottom end of the output shaft of the two electric push rods (8), and the scraper (10) is slidingly connected to the inner side of the scraper holder (9).

2. A doctor blade holder adjustment device for a corrugated paperboard printing press according to claim 1, characterized in that The mechanism comprises a positioning disc (11), a positioning frame (12), a spring (13), a fixed block (14) and a connecting rod (16); The positioning disc (11) is fixedly connected with the output shaft of the electric push rod (8), the positioning frame (12) is slidingly connected with the top of the scraper holder (9), the positioning frame (12) is fixedly connected with the spring (13), the spring (13) is fixedly connected with the fixed block (14), the fixed block (14) is fixedly connected with the scraper holder (9), the connecting rod (16) is fixedly installed on the top of the scraper (10), the connecting rod (16) penetrates the scraper holder (9), and a plurality of blocking grooves are arranged at equal intervals on the connecting rod (16).

3. A doctor blade holder adjustment device for a corrugated paperboard printing press according to claim 1, wherein The mechanism comprises a control rod (17) and a blocking rod (15); The control rod (17) is rotationally connected to the top of the scraper holder (9), the blocking rod (15) is fixedly connected with the positioning frame (12), and the blocking rod (15) is matched with the connecting rod (16).

4. A doctor blade holder adjustment device for a corrugated paperboard printing press according to claim 2, wherein A plurality of positioning grooves are arranged at equal intervals on the positioning disc (11), a positioning block is fixedly installed on the positioning frame (12), and the positioning block is disengageably clamped with the positioning groove.

5. A doctor blade holder adjustment device for a corrugated paperboard printing press according to claim 3, wherein A round rod is fixedly installed at the bottom of the blocking rod (15), and the bottom of the round rod is slidingly connected with the inner wall of the control rod (17).

6. A doctor blade holder adjustment device for a corrugated paperboard printing press according to claim 3, wherein The outer side of the blocking rod (15) is slidingly in contact with the inner wall of the blocking groove.