CN209955519U

CN209955519U - Improved generation is to four-color printing machine ink scraping knives

Info

Publication number: CN209955519U
Application number: CN201920199693.XU
Authority: CN
Inventors: 安普强
Original assignee: Beijing Yongcheng Printing Co Ltd
Current assignee: Beijing Yongcheng Printing Co Ltd
Priority date: 2019-02-15
Filing date: 2019-02-15
Publication date: 2020-01-17
Anticipated expiration: 2029-02-15

Abstract

The utility model belongs to the technical field of the printing machine technique and specifically relates to an improved generation is to running from opposite directions four-color printing machine ink scraping cutter, including L shape blade holder, the vertical end surface of L shape blade holder is equipped with the slide, and the horizontal end of L shape blade holder is equipped with the breach, is equipped with first pivot on the both sides inner wall of breach, is equipped with the blade in the breach, and the upper surface of blade is equipped with rotates the seat, rotates and is equipped with the bracing piece on the seat. This improved generation is run from opposite directions four-color printing machine ink scraping sword is provided with rotatable blade on L shape blade holder, because the upper surface of blade is connected with the bracing piece through the second pivot, and the top of bracing piece is connected with the counter weight slider through the third pivot again for the counter weight slider slides in the slide of L shape blade holder, is convenient for adjust the distance on blade and cylinder surface under the effect of operation screw rod.

Description

Improved generation is to four-color printing machine ink scraping knives

Technical Field

The utility model relates to a printing machine technical field specifically is an improved generation is to four-color printing machine ink scraping knives of running from opposite directions.

Background

A doctor blade is a sheet on a printing press that is used to scrape excess ink off the surface of a cylinder. The removal of ink in the non-patterned areas is a key issue during each printing pass. In offset printing, this control is a complex process of ink transfer, including ink, plate, and paper. In gravure printing, it is a mechanical operation, relatively simple, but it has its own uniqueness. The ink doctor blade requires wear resistance and high efficiency to ensure high quality printing and it must be compatible with the long-lasting and high speed requirements of modern gravure printing.

At present, current ink scraping knife utilizes blade holder direct mount on the printing machine to make the blade press close to the cylinder surface, this kind of ink scraping knife is not convenient for adjust the distance on ink scraping knife blade and cylinder surface, makes the ink clearance on cylinder surface not thorough, influences printing quality. In view of this, we propose an improved split four-color press doctor blade.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation is to running from opposite directions four-color printing machine ink scraping blade to solve the above-mentioned doctor blade that provides among the background art and be not convenient for control blade and cylinder surface's distance problem.

In order to achieve the above object, the utility model provides a following technical scheme:

an improved split four-color printer doctor blade comprises an L-shaped blade holder, wherein a slide way is arranged on the outer surface of the vertical end of the L-shaped blade holder, a notch is formed in the horizontal end of the L-shaped blade holder, first rotating shafts are tightly welded on the inner walls of the two sides of the notch, a blade is arranged in the notch, a through hole is formed in one end of the blade, a rotating seat is tightly welded on the upper surface of the blade, a supporting rod is arranged on the rotating seat, a second rotating shaft is arranged at the bottom end of the supporting rod, a third rotating shaft is arranged at the top end of the supporting rod, a counterweight sliding block is arranged on the third rotating shaft, a threaded hole is formed in the middle of the inside of the counterweight sliding block, a through hole is formed in one end of the counterweight sliding block, the third rotating shaft penetrates through the;

be equipped with the operation screw rod in the slide, the bottom surface of slide is equipped with the spacing groove, the bottom of operation screw rod stretches into to the spacing inslot portion, and the operation screw rod passes the screw hole, threaded connection between operation screw rod and the screw hole.

Preferably, the slide and the cross section of the counterweight sliding block are both in a T shape, the counterweight sliding block is positioned in the slide, and the counterweight sliding block is connected with the L-shaped cutter holder in a sliding manner through the slide.

Preferably, the first rotating shaft penetrates through the through hole, and the blade is rotatably connected with the L-shaped blade holder through the first rotating shaft.

Preferably, the second rotating shaft penetrates through the rotating seat, and the supporting rod is rotatably connected with the rotating seat through the second rotating shaft.

Preferably, the bottom end of the supporting rod is tightly welded with the second rotating shaft, and the third rotating shaft at the top end of the supporting rod is tightly welded.

Preferably, the second rotating shaft and the third rotating shaft are both arranged obliquely to the supporting rod, and the inclination angle is set to 120 degrees and 130 degrees.

Preferably, the top end of the operation screw rod is provided with a knob, the bottom end of the operation screw rod is provided with a limiting piece, the limiting piece is embedded in the limiting groove, and the shape and the size of the limiting piece and the shape and the size of the limiting groove are matched with each other.

Compared with the prior art, the beneficial effects of the utility model are that: this improved generation is run from opposite directions four-color printing machine ink scraping sword is provided with rotatable blade on L shape blade holder, because the upper surface of blade is connected with the bracing piece through the second pivot, and the top of bracing piece is connected with the counter weight slider through the third pivot again for the counter weight slider slides in the slide of L shape blade holder, is convenient for adjust the distance on blade and cylinder surface under the effect of operation screw rod.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an L-shaped knife holder according to the present invention;

FIG. 3 is a schematic structural view of the support rod and the blade of the present invention;

FIG. 4 is a schematic view of the structure of the support rod and the blade of the present invention;

FIG. 5 is a schematic structural view of the operating screw of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. an L-shaped tool apron; 11. a slideway; 12. a notch; 121. a first rotating shaft; 13. operating the screw; 131. a limiting sheet; 132. a knob; 14. a limiting groove; 2. a blade; 21. a through hole; 22. a rotating seat; 3. a support bar; 31. a second rotating shaft; 32. a third rotating shaft; 33. a counterweight sliding block; 331. perforating; 34. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

Example 1

An improved split four-color printer doctor blade is shown in fig. 1-6 and comprises an L-shaped blade holder 1, a slide 11 is arranged on the outer surface of the vertical end of the L-shaped blade holder 1, a notch 12 is arranged at the horizontal end of the L-shaped blade holder 1, first rotating shafts 121 are tightly welded on the inner walls of two sides of the notch 12, a blade 2 is arranged in the notch 12, a through hole 21 is arranged at one end of the blade 2, a rotating seat 22 is tightly welded on the upper surface of the blade 2, a supporting rod 3 is arranged on the rotating seat 22, a second rotating shaft 31 is arranged at the bottom end of the supporting rod 3, a third rotating shaft 32 is arranged at the top end of the supporting rod 3, a counterweight sliding block 33 is arranged on the third rotating shaft 32, a threaded hole 34 is arranged at the middle position inside the counterweight sliding block 33, a through hole 331 is arranged at one end of the counterweight sliding block 33;

be equipped with operation screw 13 in the slide 11, the bottom surface of slide 11 is equipped with spacing groove 14, and the bottom of operation screw 13 stretches into to spacing inslot 14 inside, and operation screw 13 passes screw hole 34, and threaded connection between operation screw 13 and the screw hole 34 because threaded connection between operation screw 13 and the screw hole 34, rotates operation screw 13 and can drive counter weight slider 33 and slide from top to bottom along slide 11.

In this embodiment, the whole stainless steel that adopts of L shape blade holder 1, this material has good wear-resisting corrosion resistance, and the structure is firm, advantage such as the cost is lower, extension L shape blade holder 1's life.

Furthermore, the cross sections of the slide way 11 and the counterweight sliding block 33 are both T-shaped, the counterweight sliding block 33 is positioned in the slide way 11, and the counterweight sliding block 33 is connected with the L-shaped tool apron 1 in a sliding manner through the slide way 11, so that the counterweight block 33 can slide up and down in the slide way 11 conveniently.

In addition, the first rotating shaft 121 penetrates through the through hole 21, and the blade 2 is rotatably connected with the L-shaped blade holder 1 through the first rotating shaft 121, so that the blade 2 can rotate in the notch 12.

It is worth to say that, the second pivot 31 runs through and rotates seat 22, and bracing piece 3 rotates with rotating seat 22 through second pivot 31 to be connected, is convenient for the bottom of bracing piece 3 to rotate with rotating seat 22 through second pivot 31 and is connected, can play the supporting role to blade 2 through bracing piece 3. Furthermore, the bottom end of the supporting rod 3 is tightly welded with the second rotating shaft 31, and the third rotating shaft 32 at the top end of the supporting rod 3 is tightly welded, so that the stability of the device is improved.

In this embodiment, the top end of the operation screw 13 is provided with a knob 132, the bottom end of the operation screw 13 is provided with a limiting piece 131, the limiting piece 131 is embedded in the limiting groove 14, and the shape and the size of the two are matched with each other.

It is worth explaining that, the spacing groove 14 is by locating the inside circular recess of L shape blade holder 1 and locate the slide 11 surface and constitute with the circular recess circular port of intercommunication, the whole cross-section of circular recess and circular port is the T type, the diameter of circular port is less than the diameter of circular recess, spacing piece 131 is located the circular recess inside, and the size mutual adaptation of spacing piece 131 and circular recess, because the diameter of spacing piece 131 is greater than the diameter of circular port, consequently, operation screw 13 is at the pivoted in-process, spacing piece 131 blocks all the time and locates the circular recess, play the limiting displacement to operation screw 13. In addition, the top surface and the bottom surface of the limiting sheet 131 are both provided with a plurality of anti-skid protrusions, which play a role in increasing the friction force between the limiting sheet 131 and the groove wall of the limiting groove 14.

In this embodiment, be provided with blade 2 on L shape blade holder 1, blade 2 is connected in the breach 12 internal rotation of L shape blade holder 1 horizontal end through first pivot 121, because the seat 22 that rotates on the upper surface of blade 2 is connected with bracing piece 3 through the rotation of second pivot 31, the top of bracing piece 3 rotates through third pivot 32 again and is connected with counterweight sliding block 33, because threaded connection between operation screw 13 and the screw hole 34, it can drive counterweight sliding block 33 along slide 11 up-and-down to rotate operation screw 13, the removal of counterweight sliding block 33 drives blade 2 swing, thereby adjust the distance on doctor blade and cylinder surface.

Example 2

As a preferred embodiment of the present invention, the second rotating shaft 31 and the third rotating shaft 32 are both disposed obliquely to the supporting rod 3, the inclination angle is set to 120-.

The utility model discloses an improved generation is to opening four-color printing machine ink scraping sword when using, rotate operation screw 13, because threaded connection between operation screw 13 and the screw hole 34, consequently operation screw 13's rotation can drive counterweight block 33 and slide from top to bottom along slide 11, blade 2 is connected at the 12 internal rotations in breach of L shape blade holder 1 horizontal end through first pivot 121, because rotation seat 22 on blade 2's the upper surface rotates through second pivot 31 and is connected with bracing piece 3, bracing piece 3's top is again rotated through third pivot 32 and counterweight block 33 and is connected, consequently, counterweight block 33's removal can drive blade 2 swings, thereby adjust the distance on ink scraping sword blade and cylinder surface.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improved generation is to four-color printer ink scraping blades of running from opposite directions, includes L shape blade holder (1), its characterized in that: the outer surface of the vertical end of the L-shaped cutter holder (1) is provided with a slide way (11), the horizontal end of the L-shaped cutter holder (1) is provided with a notch (12), the inner walls of the two sides of the notch (12) are tightly welded with a first rotating shaft (121), the notch (12) is internally provided with a blade (2), one end of the blade (2) is provided with a through hole (21), the upper surface of the blade (2) is tightly welded with a rotating seat (22), the rotating seat (22) is provided with a support rod (3), the bottom end of the support rod (3) is provided with a second rotating shaft (31), the top end of the support rod (3) is provided with a third rotating shaft (32), the third rotating shaft (32) is provided with a counterweight sliding block (33), the middle position inside the counterweight sliding block (33) is provided with a threaded hole (34), one end of the counterweight sliding block (33) is provided with a through hole (331), the counterweight sliding block (33) is rotationally connected with the supporting rod (3) through the third rotating shaft (32);

be equipped with operation screw rod (13) in slide (11), the bottom surface of slide (11) is equipped with spacing groove (14), the bottom of operation screw rod (13) stretches into to inside spacing groove (14), and operation screw rod (13) pass screw hole (34), threaded connection between operation screw rod (13) and screw hole (34).

2. The improved split four color printer doctor blade of claim 1, wherein: slide (11) with the cross section of counter weight slider (33) all is the T shape, counter weight slider (33) are located in slide (11), counter weight slider (33) pass through slide (11) with L shape blade holder (1) sliding connection.

3. The improved split four color printer doctor blade of claim 1, wherein: the first rotating shaft (121) penetrates through the through hole (21), and the blade (2) is rotatably connected with the L-shaped cutter holder (1) through the first rotating shaft (121).

4. The improved split four color printer doctor blade of claim 1, wherein: the second rotating shaft (31) penetrates through the rotating seat (22), and the supporting rod (3) is rotatably connected with the rotating seat (22) through the second rotating shaft (31).

5. The improved split four color printer doctor blade of claim 1, wherein: the bottom of bracing piece (3) with second pivot (31) close welding, the top third pivot (32) of bracing piece (3) close welding.

6. The improved split four color printer doctor blade of claim 1, wherein: the second rotating shaft (31) and the third rotating shaft (32) are both obliquely arranged with the support rod (3), and the inclination angle is set to be 120 degrees and 130 degrees.

7. The improved split four color printer doctor blade of claim 1, wherein: the top of operation screw rod (13) is equipped with knob (132), the bottom of operation screw rod (13) is equipped with spacing piece (131), spacing piece (131) are inlayed and are located inside spacing groove (14), and the equal mutual adaptation of shape and size of the two.