Scraper structure of industrial printer

Abstract

The utility model relates to the technical field of printer scrapers, in particular to an industrial printer scraper structure which comprises a scraper rest, a scraper blade, an auxiliary positioning plate, a positioning clamping block, a groove, a clamping groove, a sliding plate groove, a first magnetic piece, a second magnetic piece, an arc-shaped groove, a sliding plate, an arc-shaped elastic piece and a push-pull column. The knife rest and the scraper blade are designed in a split mode, the positioning clamping block is clamped in the clamping groove to be positioned, the second magnetic attraction piece and the first magnetic attraction piece are attracted, magnetic attraction is adopted for further fixing, dismounting and mounting are convenient and fast, mounting and dismounting of the scraper blade can be fast completed without complex tools, the maintenance efficiency is greatly improved, and the maintenance cost is reduced. And people without maintenance foundation can also easily clean.

Description

TECHNICAL FIELD

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

[0002] The doctor blade structure on the ink cartridge or developing roller in the industrial printer is an important part of the printer, which is used for scraping off the excess material to ensure the printing accuracy. When there is too much toner residue on the doctor blade, the printing will appear ghosting and unclear conditions. At this time, the doctor blade needs to be cleaned. However, the existing doctor blade structure is mostly designed in a fixed integrated manner and connected by bolts. When disassembling, multiple parts of the printer need to be removed, and finally the doctor blade is disassembled as a whole. It takes a lot of time to clean and maintain, and it needs to have a certain maintenance foundation, which has certain disadvantages. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a doctor blade structure of industrial printer to solve the above technical problems.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a doctor blade structure of industrial printer, which comprises a holder and a doctor blade. The holder and the doctor blade are designed in a split type. The top of the doctor blade is fixedly connected with a positioning clamping block. One end of the positioning clamping block is fixedly connected with a second magnetic sheet. One side of the holder is provided with a groove. The holder is provided with a clamping groove in communication with the groove. The clamping groove is fixedly connected with a first magnetic sheet. The positioning clamping block is slidingly connected in the clamping groove, and the second magnetic sheet and the first magnetic sheet are magnetically attracted and fixed. The utility model further comprises an auxiliary positioning plate, which is composed of a sliding plate, an arc-shaped elastic member and a push-pull column. The sliding plate is fixedly connected to one side of the auxiliary positioning plate. The push-pull column is fixedly connected to the side opposite to the arc-shaped elastic member of the sliding plate. The holder is provided with a sliding plate groove matched with the sliding plate, and the sliding plate groove is in communication with the groove. The sliding plate is slidingly arranged in the groove. One side of the positioning clamping block is provided with an arc-shaped groove. When the arc-shaped groove contacts with the arc-shaped elastic member, the arc-shaped elastic member is extruded, thereby exerting a vertical extrusion force on the front surface of the positioning clamping block, achieving the purpose of auxiliary fixing of the positioning clamping block, enhancing the fixing stability, forming an auxiliary fixing effect, making up for the insufficient stability of simple magnetic fixing, ensuring the stable work of the doctor blade structure in the industrial printing process. The holder is provided with a groove body matched with the arc-shaped elastic member. The groove body is in clearance fit with the arc-shaped elastic member. The length of the groove is at least 1mm longer than the length of the positioning clamping block. The holder is provided with a through hole for mounting the holder on the printer.

[0005] Preferably, the first magnetic sheet and the second magnetic sheet are in magnetic attraction fit with different magnetic poles.

[0006] Preferably, the arc-shaped elastic member is made of elastic rubber material.

[0007] Preferably, the outer circumferential surface of the push-pull column is provided with anti-skid lines which are annular or strip-shaped convex structures.

[0008] Compared with the prior art, the utility model has the beneficial effects of:

[0009] The utility model discloses a knife holder and scraper piece adopt split design, and the positioning is carried out through the positioning block carding in the card slot, and the second magnetic attraction piece is attracted with the first magnetic attraction piece, adopts magnetic attraction and further fixes, and the installation and disassembly of scraper piece can be quickly completed without complex tools, and the maintenance efficiency is greatly improved, and the crowd without maintenance foundation can also easily start, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the three-dimensional structure schematic view when the utility model discloses knife holder and scraper piece separate.

[0011] Figure 2 It is the three-dimensional structure schematic view when the utility model discloses knife piece assembly in knife holder.

[0012] Figure 3 It is the three-dimensional structure schematic view of the utility model discloses scraper piece.

[0013] Figure 4 It is the auxiliary positioning plate structure schematic view of the utility model discloses.

[0014] Figure 5 It is the front view of the utility model discloses knife holder.

[0015] Figure 6 It is the A-A surface schematic view of the utility model discloses. Figure 5

[0016] Figure 7 It is the B-B surface schematic view of the utility model discloses. Figure 5

[0017] In the drawing: 1, knife holder, 2, scraper piece, 3, auxiliary positioning plate, 4, positioning block, 1a, recess, 1b, card slot, 1c, sliding plate slot, 1d, first magnetic attraction piece, 4a, second magnetic attraction piece, 4b, arc-shaped slot, 3a, sliding plate, 3b, arc-shaped elastic piece, 3c, push-pull column. DETAILED DESCRIPTION

[0018] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor fall within the scope of the utility model.

[0019] Please refer to​​Figures 1 to 7 The utility model provides technical scheme: a scraper structure of industrial printer, including tool rest 1 and scraper blade 2, the top fixed connection of scraper blade 2 has the locating block 4, the one end fixed connection of locating block 4 has the second magnetic attraction piece 4a, the recess 1a of tool rest 1 is set up in one side, and the clamping groove 1b of tool rest 1 is set up and is communicated with recess 1a, and the first magnetic attraction piece 1d is fixedly connected in clamping groove 1b, and locating block 4 is connected in clamping groove 1b slidingly, and second magnetic attraction piece 4a and first magnetic attraction piece 1d are fixed by magnetism.

[0020] Further, it further includes auxiliary locating plate 3, auxiliary locating plate 3 is by sliding plate 3a, arc elastic member 3b and push-pull column 3c constitutes, and sliding plate 3a is fixedly connected in one side of auxiliary locating plate 3, and push-pull column 3c is fixedly connected in the opposite side of sliding plate 3a and arc elastic member 3b, and the sliding plate groove 1c of tool rest 1 is set up and is adapted with sliding plate 3a, and sliding plate groove 1c is communicated with recess 1a, and sliding plate 3a is slidingly arranged in recess 1a, and the arc slot 4b of one side of locating block 4 is set up, when arc slot 4b and arc elastic member 3b contact, arc elastic member 3b is extruded, and then a vertical extrusion force is exerted to the front of locating block 4, reaches the purpose of auxiliary fixed locating block 4, and the groove body of tool rest 1 is set up and is adapted with arc elastic member 3b, and groove body and arc elastic member 3b are clearance fit.

[0021] Further, the length of recess 1a is greater than the length of locating block 4 by 1mm, to ensure the smooth disassembly and assembly of locating block 4.

[0022] Further, the outer circumferential surface of push-pull column 3c is provided with anti-skid lines, and the anti-skid lines are annular convex structures or strip-shaped convex structures.

[0023] The working process of the utility model is as follows:

[0024] For example, Figure 1 - Figure 4As shown, when the scraper blade 2 is installed, the positioning block 4 is inserted into the clamping groove 1b, the second magnetic attraction piece 4a is attracted to the first magnetic attraction piece 1d, the auxiliary positioning plate 3 is pushed, the arc-shaped elastic member 3b is in contact with and pressed against the arc-shaped groove 4b, the pressing force is applied to the positioning block 4, the fixing is completed, when cleaning is needed, the reverse operation can be performed, the scraper holder 1 and the scraper blade 2 are designed in a split type, the positioning block 4 is clamped in the clamping groove 1b for positioning, the magnetic attraction is further used for fixing, the disassembly and assembly are convenient and fast, when the auxiliary positioning plate 3 is pushed to the left side of the recess 1a, the arc-shaped elastic member 3b presses against the positioning block 4, the purpose of auxiliary fixing of the positioning block 4 is achieved, when the scraper blade 2 needs to be taken down for cleaning, the auxiliary positioning plate 3 is pushed and pulled to the left, due to the friction force, at this time, the positioning block 4 moves to the left along with the auxiliary positioning plate 3, the second magnetic attraction piece 4a and the first magnetic attraction piece 1d are separated, if the second magnetic attraction piece 4a and the first magnetic attraction piece 1d are not separated, the scraper blade 2 is moved to the left, the second magnetic attraction piece 4a and the first magnetic attraction piece 1d are separated, and then the scraper blade 2 can be taken off from the scraper holder 1.

[0025] The basic principle, main features and advantages of the utility model are shown and described above. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A doctor blade construction for an industrial printing machine comprising a blade holder (1) and a doctor blade (2), characterized in that: The top of the scraper blade (2) is fixedly connected with a positioning clamping block (4), one end of the positioning clamping block (4) is fixedly connected with a second magnetic attraction piece (4a), one side of the tool holder (1) is provided with a groove (1a), the tool holder (1) is provided with a clamping groove (1b) in communication with the groove (1a), the clamping groove (1b) is fixedly connected with a first magnetic attraction piece (1d), the positioning clamping block (4) is slidingly connected in the clamping groove (1b), and the second magnetic attraction piece (4a) and the first magnetic attraction piece (1d) are magnetically attracted and fixed.

2. The doctor structure of an industrial printer according to claim 1, characterized in that: Further comprising an auxiliary positioning plate (3), the auxiliary positioning plate (3) is composed of a sliding plate (3a), an arc-shaped elastic member (3b) and a push-pull column (3c), the sliding plate (3a) is fixedly connected to one side of the auxiliary positioning plate (3), the push-pull column (3c) is fixedly connected to the side opposite to the arc-shaped elastic member (3b) of the sliding plate (3a), the tool holder (1) is provided with a sliding plate groove (1c) adapted to the sliding plate (3a), and the sliding plate groove (1c) is in communication with the groove (1a), and the sliding plate (3a) is slidingly arranged in the groove (1a).

3. The doctor structure of an industrial printer according to claim 2, characterized in that: One side of the positioning clamping block (4) is provided with an arc-shaped groove (4b), when the arc-shaped groove (4b) is in contact with the arc-shaped elastic member (3b), the arc-shaped elastic member (3b) is extruded, thereby exerting a vertical extrusion force on the front surface of the positioning clamping block (4), so as to achieve the purpose of auxiliary fixing the positioning clamping block (4).

4. The doctor structure of an industrial printer according to claim 2, characterized in that: The tool holder (1) is provided with a groove body adapted to the arc-shaped elastic member (3b), and the groove body is in clearance fit with the arc-shaped elastic member (3b).

5. The doctor structure of an industrial printer according to claim 1, characterized in that: The length of the groove (1a) is at least 1mm longer than the length of the positioning clamping block (4).

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