CN220053247U - Doctor blade capable of removing residues for web printing machine - Google Patents
Doctor blade capable of removing residues for web printing machine Download PDFInfo
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- CN220053247U CN220053247U CN202321614354.6U CN202321614354U CN220053247U CN 220053247 U CN220053247 U CN 220053247U CN 202321614354 U CN202321614354 U CN 202321614354U CN 220053247 U CN220053247 U CN 220053247U
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- doctor blade
- threaded rod
- sliding block
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- 238000009434 installation Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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Abstract
The utility model discloses a doctor blade for a web printing machine, which comprises a mounting frame fixedly mounted on the inner side of the printing machine, wherein a threaded rod is connected to the outer side shaft of the mounting frame, the threaded rod penetrates through the middle position of the mounting frame, and a knob is fixedly mounted at the left end of the threaded rod; further comprises: the two movable frames are movably arranged at the upper end and the lower end of the mounting frame, a sliding groove is formed in the inner side of each movable frame, and a sliding block is arranged in the inner side of each sliding groove; the guide groove is formed in the surface of the sliding block, and a mounting block is arranged on the inner side of the guide groove; the movable seat is movably arranged on the outer side of the threaded rod, and the outer side of the movable seat is movably connected with a connecting rod. This can clear away remaining doctor blade for web printing machine can carry out convenient dismantlement to the blade and change, can effectively adjust the action angle and the position of cutter simultaneously for the cutter can clear up the printing ink in the roll body outside of different diameters, and the practicality is strong.
Description
Technical Field
The utility model relates to the technical field of doctor blades, in particular to a doctor blade capable of removing residues for a web printing machine.
Background
During web printing, a large amount of ink tends to remain on the outer side of the printing roller, and in order to ensure printing effect, a doctor blade is required to scrape off excessive ink on the outer side of the roller body, but the doctor blade for the existing web printing machine still has some defects.
A doctor blade device as disclosed in CN210501847U, in which a first doctor blade and at least a second doctor blade are provided, so that the first doctor blade can perform the second doctor blade after performing the first doctor blade, and the second doctor blade can perform the second doctor blade and also perform the ink return function. Therefore, the doctor blade device provided by the utility model can improve the doctor blade and printing speed, has lower economic cost and is simple and easy to operate, but in the specific use process, the installation angle of the doctor blade is inconvenient to adjust, so that the doctor blade cannot be applicable to roller bodies with different diameters, the applicable environment of the doctor blade is greatly limited, and certain use defects exist.
We have therefore proposed a doctor blade for a web printing press that eliminates the residue so as to solve the problems set forth above.
Disclosure of Invention
The utility model aims to provide a doctor blade for a web printing machine, which can remove residues, so as to solve the problems that the installation angle of the doctor blade for the web printing machine in the current market is inconvenient to adjust, the doctor blade cannot be applicable to roller bodies with different diameters, and the applicable environment of the doctor blade is limited to a great extent.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the doctor blade for the web printing machine capable of removing residues comprises a mounting frame fixedly mounted on the inner side of the printing machine, wherein a threaded rod is connected to the outer side shaft of the mounting frame, the threaded rod penetrates through the middle position of the mounting frame, and a knob is fixedly arranged at the left end of the threaded rod;
further comprises:
the two movable frames are movably arranged at the upper end and the lower end of the mounting frame, a sliding groove is formed in the inner side of the movable frame, a sliding block is arranged in the inner side of the sliding groove, a movable pressing plate is movably connected to the outer side of the sliding block, and a positioning pin is fixedly arranged on the surface of the movable pressing plate;
the guide groove is formed in the surface of the sliding block, a mounting block is arranged on the inner side of the guide groove, a blade is fixedly arranged on the outer side of the mounting block, and a positioning hole is formed in the middle of the mounting block;
the movable seat is movably arranged on the outer side of the threaded rod, and the outer side of the movable seat is movably connected with a connecting rod.
Preferably, the movable frame is symmetrically provided with two movable frames about the mounting frame, the guide groove and the mounting block form a sliding structure, the mounting block and the blades are welded into an integrated structure, and the directions of the knife edges of the two blades are consistent.
Through adopting above-mentioned technical scheme for the guide slot can play preliminary direction location effect in the blade installation, and simultaneously two blade that edge of a knife direction is unanimous can carry out abundant striking off to the printing ink in roll body outside.
Preferably, the movable pressing plate is rotationally connected with the sliding block, a torsion spring is connected between the shaft end of the movable pressing plate and the sliding block, and the positioning pin arranged on the outer side of the movable pressing plate is in a circular arc structure, and meanwhile, the positioning pin is in clearance fit with the positioning hole.
Through adopting above-mentioned technical scheme for rotatory activity presses the board, can adjust the position of locating pin, makes the locating pin can fix a position the installation piece, thereby realizes the quick installation to the blade.
Preferably, the sliding block and the sliding groove form a sliding structure, the sliding block is in an inverted T-shaped structure, and a spring is connected between the outer wall of the sliding block and the inner wall of the sliding groove.
Through adopting above-mentioned technical scheme for the blade can slide along the spout under the elasticity effect of spring in the use, and then makes the blade can conflict in the outside of roll body all the time, thereby can realize the effective cleanness to roll body outside printing ink.
Preferably, the movable seat is in a circular structure, the movable seat is in threaded connection with the threaded rod, connecting rods are hinged between the movable seat and the two movable frames, and meanwhile the movable frames are in rotary connection with the mounting frame.
Through adopting above-mentioned technical scheme for rotatory threaded rod can make threaded rod and movable seat threaded connection, thereby adjusts the position of movable seat, makes the movable seat drive two movable frames through the connecting rod and carries out angle modulation, makes the blade clean the roll body outside printing ink of different diameters, has improved the suitability of doctor blade.
Compared with the prior art, the utility model has the beneficial effects that: this can clear away remaining doctor blade for web printing machine can carry out convenient dismantlement to the blade and change, can effectively adjust the action angle and the position of cutter simultaneously for the cutter can clear up the printing ink in the roll body outside of different diameters, and the practicality is strong, and concrete content is as follows:
1. the movable pressing plate and the mounting block are arranged, the mounting block slides along the guide groove, the guiding and preliminary limiting of the blade mounting can be realized, the movable pressing plate is loosened, and the movable pressing plate can rotate and reset under the action of the elasticity of the torsion spring, so that the positioning pin is driven to be inserted into the positioning hole, the mounting block is fixed, the blade is mounted, and the follow-up detachment and replacement of the blade are facilitated;
2. be provided with adjustable shelf, slider and movable seat, through rotatory knob, can drive the threaded rod and carry out synchronous revolution for the threaded rod is adjusted the position of movable seat through threaded connection effect, and the movable seat can carry out synchronous revolution through two adjustable shelves of connecting rod pulling simultaneously, and then realizes the regulation to blade action angle, and the slider can slide along the spout under spring force effect simultaneously, makes the blade can laminate in the roll body outside all the time, thereby makes this doctor blade can act on the roll body outside of different diameters, has effectively improved its suitability.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a blade mounting perspective structure of the present utility model;
FIG. 3 is a schematic view of a blade-removing perspective structure of the present utility model;
FIG. 4 is an exploded view of the movable carriage, slider and blade of the present utility model;
fig. 5 is a schematic diagram of a three-dimensional rear view structure of the present utility model.
In the figure: 1. a mounting frame; 2. a movable frame; 3. a chute; 4. a slide block; 5. a movable pressing plate; 6. a positioning pin; 7. a guide groove; 8. a mounting block; 9. a blade; 10. positioning holes; 11. a spring; 12. a threaded rod; 13. a knob; 14. a movable seat; 15. and a connecting rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the doctor blade for the web printing machine capable of removing residues comprises a mounting frame 1 fixedly mounted on the inner side of the printing machine, wherein a threaded rod 12 is connected to the outer side shaft of the mounting frame 1, the threaded rod 12 penetrates through the middle position of the mounting frame 1, and a knob 13 is fixedly arranged at the left end of the threaded rod 12;
further comprises: the two movable frames 2 are movably arranged at the upper end and the lower end of the mounting frame 1, a sliding groove 3 is formed in the inner side of the movable frame 2, a sliding block 4 is arranged in the inner side of the sliding groove 3, a movable pressing plate 5 is movably connected to the outer side of the sliding block 4, and a positioning pin 6 is fixedly arranged on the surface of the movable pressing plate 5; the guide groove 7 is formed in the surface of the sliding block 4, an installation block 8 is arranged on the inner side of the guide groove 7, a blade 9 is fixedly arranged on the outer side of the installation block 8, and a positioning hole 10 is formed in the middle of the installation block 8; the movable frame 2 is symmetrically provided with two guide grooves 7 and mounting blocks 8 about the mounting frame 1 to form a sliding structure, the mounting blocks 8 and the blades 9 are welded into an integrated structure, and the directions of the knife edges of the two blades 9 are consistent. The movable pressing plate 5 is rotationally connected with the sliding block 4, a torsion spring is connected between the shaft end of the movable pressing plate 5 and the sliding block 4, the positioning pin 6 arranged on the outer side of the movable pressing plate 5 is in an arc-shaped structure, and meanwhile, the positioning pin 6 is in clearance fit with the positioning hole 10, as shown in fig. 1-4, when the blade 9 needs to be installed, the movable pressing plate 5 is pressed, so that the movable pressing plate 5 elastically rotates, then the installation block 8 on the outer side of the blade 9 slides along the guide groove 7, the movable pressing plate 5 is loosened again, the movable pressing plate 5 is enabled to rotate and reset under the action of the torsion spring, and meanwhile, the positioning pin 6 on the outer side of the movable pressing plate can be automatically inserted into the positioning hole 10, so that the installation block 8 is fixed, and the installation of the blade 9 is completed.
The movable seat 14 is movably arranged at the outer side of the threaded rod 12, and a connecting rod 15 is movably connected at the outer side of the movable seat 14. The sliding block 4 and the sliding groove 3 form a sliding structure, the sliding block 4 is arranged in an inverted T-shaped structure, and a spring 11 is connected between the outer wall of the sliding block 4 and the inner wall of the sliding groove 3. The movable seat 14 is circular structure setting, and movable seat 14 and threaded rod 12 threaded connection, and all articulate between movable seat 14 and the two movable frames 2 has connecting rod 15, simultaneously movable frame 2 and mounting bracket 1 rotate and are connected, as shown in figures 1-2 and 4-5, according to the diameter of roll body, rotatory knob 13, make knob 13 drive threaded rod 12 rotate, make threaded rod 12 drive movable seat 14 through threaded connection effect and remove the regulation, movable seat 14 can drive two movable frames 2 through connecting rod 15 and rotate this moment, thereby realize the regulation to blade 9 action angle, then install mounting bracket 1 suitable position at the printing machine, make blade 9 can laminate in the outside of roll body, and slider 4 can slide along spout 3 under the elasticity effect of spring 11, ensure that blade 9 can stable laminating in the outside of roll body.
Working principle: when the doctor blade for the web printing press capable of removing residues is used, firstly, as shown in fig. 1-5, the movable pressing plate 5 is pressed, the mounting block 8 is slidably inserted into the guide groove 7, the movable pressing plate 5 is loosened, the positioning pin 6 is inserted into the positioning hole 10, the fixing of the blade 9 is further realized, then the threaded rod 12 is rotated, the movable seat 14 drives the two movable frames 2 to be rotatably adjusted through the connecting rod 15, the action angle of the two blades 9 is changed, the mounting frame 1 is fixedly mounted at a proper position in the printing press, and at the moment, the blade 9 is attached to the outer side of the roller body under the action of the elastic force of the spring 11, so that the automatic scraping of residual ink on the outer side of the roller body is realized.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The doctor blade for the web printing machine capable of removing residues comprises a mounting frame (1) fixedly mounted on the inner side of the printing machine, wherein a threaded rod (12) is connected to the outer side shaft of the mounting frame (1), the threaded rod (12) penetrates through the middle position of the mounting frame (1), and a knob (13) is fixedly mounted at the left end of the threaded rod (12);
characterized by further comprising:
the two movable frames (2) are movably arranged at the upper end and the lower end of the mounting frame (1), a sliding groove (3) is formed in the inner side of the movable frame (2), a sliding block (4) is arranged in the inner side of the sliding groove (3), a movable pressing plate (5) is movably connected to the outer side of the sliding block (4), and a positioning pin (6) is fixedly arranged on the surface of the movable pressing plate (5);
the guide groove (7) is formed in the surface of the sliding block (4), an installation block (8) is arranged on the inner side of the guide groove (7), a blade (9) is fixedly arranged on the outer side of the installation block (8), and a positioning hole (10) is formed in the middle position of the installation block (8);
the movable seat (14) is movably arranged on the outer side of the threaded rod (12), and a connecting rod (15) is movably connected on the outer side of the movable seat (14).
2. A doctor blade for a web printing press capable of removing residue as defined in claim 1 wherein: the movable frame (2) is symmetrically provided with two mounting frames (1), the guide grooves (7) and the mounting blocks (8) form a sliding structure, the mounting blocks (8) and the blades (9) are welded into an integrated structure, and the directions of the knife edges of the two blades (9) are consistent.
3. A doctor blade for a web printing press capable of removing residue as defined in claim 1 wherein: the movable pressing plate (5) is rotationally connected with the sliding block (4), a torsion spring is connected between the shaft end of the movable pressing plate (5) and the sliding block (4), the positioning pin (6) arranged on the outer side of the movable pressing plate (5) is in a circular arc structure, and meanwhile the positioning pin (6) is in clearance fit with the positioning hole (10).
4. A doctor blade for a web printing press capable of removing residue as defined in claim 1 wherein: the sliding block (4) and the sliding groove (3) form a sliding structure, the sliding block (4) is in an inverted T-shaped structure, and a spring (11) is connected between the outer wall of the sliding block (4) and the inner wall of the sliding groove (3).
5. A doctor blade for a web printing press capable of removing residue as defined in claim 1 wherein: the movable seat (14) is arranged in a circular structure, the movable seat (14) is in threaded connection with the threaded rod (12), the connecting rods (15) are hinged between the movable seat (14) and the two movable frames (2), and meanwhile the movable frames (2) are connected with the installation frame (1) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321614354.6U CN220053247U (en) | 2023-06-25 | 2023-06-25 | Doctor blade capable of removing residues for web printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321614354.6U CN220053247U (en) | 2023-06-25 | 2023-06-25 | Doctor blade capable of removing residues for web printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220053247U true CN220053247U (en) | 2023-11-21 |
Family
ID=88762437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321614354.6U Active CN220053247U (en) | 2023-06-25 | 2023-06-25 | Doctor blade capable of removing residues for web printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220053247U (en) |
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2023
- 2023-06-25 CN CN202321614354.6U patent/CN220053247U/en active Active
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