CN215792587U

CN215792587U - Double-edged knife for pad printing

Info

Publication number: CN215792587U
Application number: CN202120021941.9U
Authority: CN
Inventors: 相帅; 相永浩; 奚英
Original assignee: Shanghai Ce Li Industrial Co ltd
Current assignee: Shanghai Ce Li Industrial Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-02-11
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to the technical field of ink scraping knives, and particularly discloses a double-edged knife for pad printing, which comprises a knife holder, a first blade and a second blade, wherein the first blade and the second blade are arranged on the knife holder; the bottom end of the cutter holder is obliquely provided with an ink scraping adhesive tape, the first blade is fixedly arranged at the bottom end of the ink scraping adhesive tape, and the second blade is obliquely arranged on the side wall of the top end of the first blade; the cutting edge of the first blade is of a round angle structure, and the cutting edge of the second blade is of a right angle structure; and a buffer piece for buffering the first blade and the second blade is arranged between the first blade and the second blade. The buffering piece can be of an inverted V-shaped structure or an inverted arc-shaped structure, can play a certain buffering role for the first blade and the second blade in work, is installed on the inner sides of the first blade and the second blade through the fixing pieces on the left side and the right side of the buffering piece, further improves the connection stability of the first blade and the second blade, and is convenient to disassemble, assemble and replace.

Description

Double-edged knife for pad printing

Technical Field

The utility model relates to the technical field of ink scraping knives, in particular to a double-edged knife for pad printing.

Background

The printing machine ink scraping knife requires to keep good hardness and elasticity during working, the inclined included angle of contact between the ink scraping knife and the rubber roll is kept, the ink scraping accuracy can be guaranteed, the printing quality is ensured, the ink path of the flexographic printing mainly comprises two ink scraping knives for scraping ink, the ink path is a forward ink scraping knife and a reverse ink scraping knife, the contact angle between the cutting edges of the forward ink scraping knife and the reverse ink scraping knife and the tangential direction of the rubber roll is an acute angle, the ink has certain viscosity, in the ink conveying process, a large amount of ink can be accumulated between the ink scraping knife below and the rubber roll, the accumulated ink contains impurities, the abrasion of the ink scraping knife and the rubber roll can be accelerated, and the service life of the ink scraping knife and the rubber roll is shortened.

For the above situation, the prior patent application numbers are: CN201120493003.5, patent name: the utility model discloses a double-edge doctor blade, which is provided with two cutting edges, wherein the cutting edge of an inverted rubber strip is a fillet, so that a thicker ink layer can be scraped, the abrasion of the doctor blade and a rubber roll is reduced, and the service life is prolonged; the cutting edge of the sharp edge rubber strip is a right angle, and the ink scraping precision is high.

However, when the double-edged knife is actually used, the two blades are continuously rubbed in the long-term working process, a special buffering and protecting structure is lacked, the service life of the blades is short, and the blades are fixedly installed, so that the blades are difficult to disassemble and cannot be replaced, maintained and cleaned; therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a double-edged blade for pad printing, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a double-edged knife for pad printing comprises a knife holder, a first blade and a second blade, wherein the first blade and the second blade are arranged on the knife holder; the bottom end of the cutter holder is obliquely provided with an ink scraping adhesive tape, the first blade is fixedly arranged at the bottom end of the ink scraping adhesive tape, and the second blade is obliquely arranged on the side wall of the top end of the first blade; the cutting edge of the first blade is of a round angle structure, and the cutting edge of the second blade is of a right angle structure; and a buffer piece for buffering the first blade and the second blade is arranged between the first blade and the second blade.

Preferably, the top end of the second blade is provided with a mounting blade for connecting the second blade, and the mounting blade is connected with the first blade through a bolt.

Preferably, the side wall of the second blade is provided with a mounting groove matched with the mounting piece in structure at a position corresponding to the mounting piece, and the mounting piece is mounted inside the mounting groove.

Preferably, the cross section of the buffer part is of an arc-shaped structure, and the convex surface of the buffer part is arranged upwards.

Preferably, the cross section of the buffer part is of an inverted V-shaped structure, and the conical surface structure of the buffer part is consistent with the included angle structure of the first blade and the second blade.

Preferably, the left side and the right side of the buffer piece are fixedly provided with fixing pieces matched with the first blade and the second blade in structure, and the fixing pieces are installed on the inner side walls of the first blade and the second blade through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

1. the double-edged knife for pad printing mainly comprises a first blade, a second blade and a wiping adhesive tape, wherein the first blade is fixedly arranged on the wiping adhesive tape, and the second blade is detachably arranged on the first blade through a mounting blade and a bolt, so that the blades can be conveniently replaced and maintained.

2. The buffering piece is arranged between the first blade and the second blade, can be of an inverted V-shaped structure or an arc-shaped structure, can play a certain buffering role on the first blade and the second blade in work, and is arranged on the inner sides of the first blade and the second blade through the fixing pieces on the left side and the right side of the buffering piece, so that the connecting stability of the first blade and the second blade is further improved, and the buffering piece is convenient to disassemble, assemble and replace.

Drawings

FIG. 1 is a schematic view of the overall structure of the buffer member of the present invention having an arc-shaped structure;

FIG. 2 is a schematic partial structure view of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the overall structure of the buffer member of the present invention in an inverted "V" configuration;

fig. 4 is a partial structural view of fig. 3 according to the present invention.

In the figure: 1. a tool apron; 2. a first blade; 3. a second blade; 4. scraping the ink adhesive tape; 5. a buffer member; 6. Mounting a sheet; 7. mounting grooves; 8. a sheet is fixed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a double-edged knife for pad printing comprises a knife holder 1 and a first blade 2 and a second blade 3 which are arranged on the knife holder 1; the bottom end of the tool apron 1 is obliquely provided with a scraping rubber strip 4, the first blade 2 is fixedly arranged at the bottom end of the scraping rubber strip 4, and the second blade 3 is obliquely arranged on the side wall of the top end of the first blade 2; the cutting edge of the first blade 2 is in a round angle structure, and the cutting edge of the second blade 3 is in a right angle structure; a buffer 5 for buffering the first blade 2 and the second blade 3 is installed between the first blade 2 and the second blade 3.

Further, the top end of the second blade 3 is provided with a mounting blade 6 for connecting the second blade 3, and the mounting blade 6 is connected with the first blade 2 through a bolt.

Further, the side wall of the second blade 3 is provided with a mounting groove 7 matched with the structure of the mounting piece 6 at the position corresponding to the mounting piece 6, and the mounting piece 6 is mounted inside the mounting groove 7.

Further, the cross section of the buffer member 5 is of an arc-shaped structure, and the convex surface of the buffer member 5 is arranged upwards.

Furthermore, the cross section of the buffer piece 5 is in an inverted V-shaped structure, and the conical surface structure of the buffer piece 5 is consistent with the structure of the included angle between the first blade 2 and the second blade 3.

Furthermore, fixing pieces 8 matched with the structures of the first blade 2 and the second blade 3 are fixedly arranged on the left side and the right side of the buffer piece 5, and the fixing pieces 8 are installed on the inner side walls of the first blade 2 and the second blade 3 through bolts.

The working principle is as follows: the first blade 2 of the double-edged knife can scrape a thicker ink layer, and the abrasion of the ink scraping knife and the rubber roller can be reduced due to the round angle structure; the right angle configuration of the second blade 3 improves the wiping accuracy and the printing quality. The first blade 2 is fixedly arranged on the ink scraping rubber strip 4, and the second blade 3 is detachably arranged on the first blade 2 through the matching of the mounting piece 6 and a bolt, so that the replacement and maintenance of the blades are facilitated; the buffer piece 5 arranged between the first blade 2 and the second blade 3 can play a certain buffering role on the first blade 2 and the second blade 3 in work, and the buffer piece is arranged on the inner sides of the first blade 2 and the second blade 3 through the fixing pieces on the left side and the right side of the buffer piece, so that the connection stability of the first blade 2 and the second blade 3 is further improved, and the buffer piece is convenient to disassemble, assemble and replace. The buffer member may be an inverted "V" shaped structure or an arcuate structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A double-edged knife for pad printing is characterized in that: comprises a tool apron (1), a first blade (2) and a second blade (3) which are arranged on the tool apron (1); the bottom end of the cutter holder (1) is obliquely provided with an ink scraping adhesive tape (4), the first blade (2) is fixedly arranged at the bottom end of the ink scraping adhesive tape (4), and the second blade (3) is obliquely arranged on the side wall of the top end of the first blade (2); the cutting edge of the first blade (2) is of a round angle structure, and the cutting edge of the second blade (3) is of a right angle structure; a buffer piece (5) used for buffering the first blade (2) and the second blade (3) is arranged between the first blade (2) and the second blade (3).

2. A double-edged knife for pad printing according to claim 1, wherein: the mounting blade (6) used for being connected with the second blade (3) is arranged at the top end of the second blade (3), and the mounting blade (6) is connected with the first blade (2) through a bolt.

3. A double-edged knife for pad printing according to claim 1, wherein: the mounting groove (7) matched with the structure of the mounting piece (6) is formed in the position, corresponding to the mounting piece (6), of the side wall of the second blade (3), and the mounting piece (6) is mounted inside the mounting groove (7).

4. A double-edged knife for pad printing according to claim 1, wherein: the cross section of the buffer piece (5) is of an arc-shaped structure, and the convex surface of the buffer piece (5) is arranged upwards.

5. A double-edged knife for pad printing according to claim 1, wherein: the cross section of the buffer piece (5) is of an inverted V-shaped structure, and the conical surface structure of the buffer piece (5) is consistent with the included angle structure of the first blade (2) and the second blade (3).

6. A double-edged knife for pad printing according to claim 1, wherein: the left side and the right side of the buffer piece (5) are fixedly provided with fixing pieces (8) matched with the structures of the first blade (2) and the second blade (3), and the fixing pieces (8) are installed on the inner side walls of the first blade (2) and the second blade (3) through bolts.