CN213619007U

CN213619007U - Ink scraping plate of printing machine

Info

Publication number: CN213619007U
Application number: CN202021803779.8U
Authority: CN
Inventors: 杨福亮
Original assignee: Zhengzhou Xingzhong Plastic Color Printing Co ltd
Current assignee: Zhengzhou Xingzhong Plastic Color Printing Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-07-06
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to a scraping plate of printing machine, including the frame, set gradually the transfer roller and the compression roller that are used for the printing along vertical direction in the frame, the below of transfer roller is provided with the ink roller that is used for conveying printing ink, one side that the transfer roller was kept away from to the ink roller is provided with the ink groove that is used for placing printing ink, one side of frame is provided with the mounting bracket, be provided with the scraping plate that is used for scraping printing ink on the ink roller on the mounting bracket, be provided with the adjustment mechanism who is used for adjusting the scraping plate position on the mounting bracket, adjustment mechanism includes the slider, the slider slides the setting along vertical direction on the mounting bracket under the effect of self gravity, the slider drives scraping plate and ink roller butt. This application has the effect that promotes printing quality.

Description

Ink scraping plate of printing machine

Technical Field

The application relates to the technical field of printing machines, in particular to a scraping plate of a printing machine.

Background

The ink scraping plate on the printing machine is mainly used for scraping off the thin sheets of redundant ink on the surface of the roller, the ink in the non-pattern area on the roller needs to be removed in the printing process, and the ink scraping plate needs to have higher wear resistance and high efficiency so as to ensure the high quality of printing.

The scraping device in the printing machine in the prior art generally comprises a scraping clamp plate, a chuck and a scraping plate, wherein the scraping plate and the scraping clamp plate are in rigid connection, the scraping plate and a roller are in hard contact, and after the scraping plate is used for a long time, the scraping plate can be abraded or the relative clamping plate deviates, so that the attaching tightness between the scraping plate and the roller is changed, and the printing quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve printing quality, the application provides a scraping plate of a printing machine.

The application provides a scraping plate of printing machine adopts following technical scheme:

the utility model provides a printing machine's scraping board, includes the frame, has set gradually the transfer roller and the compression roller that are used for the printing along vertical direction in the frame, the below of transfer roller is provided with the ink roller that is used for conveying printing ink, one side that the transfer roller was kept away from to the ink roller is provided with the ink groove that is used for placing printing ink, one side of frame is provided with the mounting bracket, be provided with the scraping board that is used for scraping printing ink on the ink roller on the mounting bracket, be provided with the adjustment mechanism who is used for adjusting the scraping board position on the mounting bracket, adjustment mechanism includes the slider, the slider slides the setting along vertical direction under the effect of self gravity on the mounting bracket, the slider drives scraping board and ink roller butt.

Through adopting above-mentioned technical scheme, when the printing, the ink scraping plate strikes off the printing ink of no pattern region on to the ink roller, it drives ink scraping plate and ink roller butt to set up the slider, the slider slides in the spout under the effect of self gravity and sets up, the slider slides and drives ink scraping plate and ink roller butt, adjust the position of ink scraping plate along with the wearing and tearing of ink scraping plate after long-time use, make ink scraping plate all the time with the inseparable butt of ink roller, make ink scraping plate keep invariable pressure of support to the ink roller simultaneously, and then promote the printing quality.

Preferably, the adjustment tank has been seted up along the horizontal direction on the mounting bracket, the spout has been seted up along vertical direction in the mounting bracket, adjustment tank and spout intercommunication, adjustment mechanism still includes regulating plate and drive assembly, the regulating plate slides along the direction towards the ink roller in the adjustment tank and sets up, the slider slides in the spout and sets up, slider and regulating plate pass through drive assembly and connect, the doctor blade sets up the one side that is close to the ink roller at the regulating plate.

Through adopting above-mentioned technical scheme, the slider passes through drive assembly and adjusts the position of regulating plate, and the regulating plate removes in the adjustment tank, applys the thrust towards the ink roller direction to the scraping board simultaneously, makes scraping board and ink roller butt.

Preferably, the transmission assembly comprises a connecting rope and a steering piece, one end of the connecting rope is connected with the adjusting plate, and one end, far away from the adjusting plate, of the connecting rope bypasses the steering piece and is connected with the sliding block.

Through adopting above-mentioned technical scheme, the slider slides in the spout, and the slider removes and drives the connection rope and remove, connects the rope removal and drives the regulating plate through the steering part and remove, and then adjusts the position of scraping board.

Preferably, the slider sets up the vertical downward setting of the pulling force of connecting the rope, connect the pulling force of rope to the adjusting plate along the direction setting towards the ink roller.

Through adopting above-mentioned technical scheme, the slider relies on the gravity of self to apply pulling force to connecting the rope, connects the rope to the pulling force of regulating plate towards the direction of ink roller, reduces the phenomenon that the regulating plate takes place the skew in the in-process that removes.

Preferably, a clamping groove is formed in the inner side wall of the adjusting groove, a clamping strip is arranged on the adjusting plate, and the clamping strip is arranged in the clamping groove in a sliding mode along the direction towards the ink roller.

Through adopting above-mentioned technical scheme, the card strip slides in the draw-in groove and sets up, reduces the phenomenon that lateral displacement appears taking place in the regulating plate, promotes the stability when regulating plate removes.

Preferably, a buffer groove is formed in one side, close to the ink roller, of the adjusting plate, and a buffer mechanism used for adjusting the position of the ink scraping plate is arranged in the buffer groove.

Through adopting above-mentioned technical scheme, when making the scraping plate meet granule impurity, can finely tune the position of scraping plate by the relative regulating plate, reduce the phenomenon that the scraping plate received wearing and tearing because of granule impurity appears.

Preferably, buffer gear includes elastic component and buffer board, the buffer board slides in the dashpot and sets up, the setting of doctor blade is kept away from one side of dashpot at the buffer board, the elastic component sets up in the dashpot, elastic component and buffer board butt.

Through adopting above-mentioned technical scheme, when meetting granule impurity, the buffer board removes and compresses the elastic component in the dashpot to slow down the friction of granule impurity to the scraping board, protect the scraping board.

Preferably, an installation groove is formed in one side, far away from the buffer groove, of the buffer plate, the ink scraping plate is inserted into the installation groove, and a fixing piece used for fixing the position of the ink scraping plate is arranged on the buffer plate.

Through adopting above-mentioned technical scheme, can take out the scraping plate from the mounting groove and change or maintain, then fix through the mounting, promote the stability of scraping plate.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a cut-away view of the mount in the present application.

Fig. 3 is a schematic structural diagram of an adjustment mechanism in the present application.

Fig. 4 is a schematic view of the structure of the regulating plate in the present application.

Reference numerals: 1. a frame; 11. an ink tank; 12. an ink roller; 2. a mounting frame; 21. an adjustment groove; 22. a chute; 23. a card slot; 3. a squeegee; 4. an adjustment mechanism; 41. an adjusting plate; 411. a buffer tank; 412. clamping the strip; 42. a transmission assembly; 421. connecting ropes; 422. a steering member; 43. a slider; 5. a buffer mechanism; 51. an elastic member; 52. a buffer plate; 521. mounting grooves; 522. a fixing member; 6. a transfer roller; 7. and (4) pressing the rolls.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses a doctor blade of a printing press. Referring to fig. 1, a doctor plate 3 of a printing press includes a frame 1, an ink tank 11 provided in the frame 1, an ink roller 12 provided above the ink tank 11, the ink roller 12 being rotatably provided in the frame 1, and a transfer roller 6 and a press roller 7 being sequentially provided in a direction away from the ink tank 11 side of the ink roller 12. At the time of printing, the ink is transferred to the transfer roller 6 by the ink roller 12, and the printing paper is conveyed between the pressure roller 7 and the transfer roller 6 to print the printing paper.

Referring to fig. 1 and 2, a mounting frame 2 is disposed at one side of a frame 1, and a doctor blade 3 is disposed on the mounting frame 2, and the doctor blade 3 is used for scraping off redundant ink on an ink roller 12, thereby improving the printing quality. After a long time of use, the side of the ink scraping plate 3 contacted with the ink roller 12 can be worn or deviated, the printing quality is affected, and in order to improve the stability of ink removal of the ink scraping plate 3, an adjusting mechanism 4 for adjusting the position of the ink scraping plate 3 is arranged on the mounting frame 2.

Referring to fig. 2 and 3, an adjusting groove 21 is formed on the mounting frame 2, the adjusting groove 21 is arranged in the mounting frame 2 along a horizontal direction, an opening is formed in one side of the adjusting groove 21 close to the ink roller 12, a sliding groove 22 is formed in the mounting frame 2, the sliding groove 22 is arranged in the mounting frame 2 along a vertical direction, the sliding groove 22 is arranged on one side of the adjusting groove 21 far away from the ink roller 12, the sliding groove 22 is communicated with the adjusting groove 21, the adjusting mechanism 4 comprises an adjusting plate 41, a transmission assembly 42 and a sliding block 43, the adjusting plate 41 is arranged in the adjusting groove 21 along a direction towards the ink roller 12, the sliding block 43 is arranged in the sliding groove 22 in a sliding manner along a length direction of the sliding groove 22, the sliding block 43 is connected with the adjusting plate 41 through the transmission assembly 42, the sliding block 43 moves in the sliding groove 22 to adjust a position of the adjusting plate 41, the doctor blade 3 is connected with the adjusting plate 41 through the opening, and the position of the doctor blade 3 is adjusted by adjusting the position of the adjusting plate 41, so that the stability of the matching between the doctor blade 3 and the ink roller 12 is improved.

Referring to fig. 2 and 3, the transmission assembly 42 includes a connection rope 421 and a turning member 422, the turning member 422 may be provided as a pulley, one end of the connection rope 421 is connected to the adjustment plate 41, the other end is connected to the slider 43 by passing through the turning member 422, the slider 43 moves in the chute 22 under the action of its own gravity, the pulling force of the slider 43 on the connection rope 421 is vertically downward under the action of the turning member 422, and the pulling force of the connection rope 421 on the adjustment plate 41 is directed toward the ink roller 12. The slider 43 exerts pulling force on the adjusting plate 41 through the connecting rope 421, so that the ink scraping plate 3 is abutted to the ink roller 12, the slider 43 pulls the adjusting plate 41 to move by means of the gravity of the slider 43, the pulling force of the slider on the adjusting plate 41 is constant, and the abutting stability of the ink scraping plate 3 and the ink roller 12 is further improved.

Referring to fig. 2 and 3, in order to improve the movement stability of the adjustment plate 41, a locking groove 23 is formed in the inner side wall of the adjustment groove 21, a locking strip 412 is disposed at a position on the adjustment plate 41 corresponding to the locking groove 23, and the locking strip 412 is slidably disposed in the locking groove 23 in a direction toward the ink roller 12, so that the adjustment plate 41 stably moves in the adjustment groove 21.

Referring to fig. 3 and 4, in order to reduce the damage of the ink scraping plate 3 when the particle impurities are present in the ink, a buffer slot 411 is formed at a side of the adjusting plate 41 close to the ink scraping plate 3, and a buffer mechanism 5 for adjusting the position of the ink scraping plate 3 is disposed in the buffer slot 411. The buffer mechanism 5 includes an elastic member 51 and a buffer plate 52, the buffer plate 52 is slidably disposed in the buffer slot 411 in a direction toward the ink roller 12, the elastic member 51 can be set as a spring, one end of the elastic member 51 abuts against the inner side wall of the buffer slot 411, the other end abuts against the buffer plate 52, and the ink scraping plate 3 is disposed on one side of the buffer plate 52 away from the buffer slot 411. When the scraping plate 3 is collided with particle impurities, the elastic member 51 can move in the elastic direction, so that the soft contact between the scraping plate 3 and the ink roller 12 is realized, and the damage degree of the scraping plate 3 is reduced.

Referring to fig. 3, a mounting groove 521 is formed in the buffer plate 52 on a side away from the adjustment plate 41, and the doctor blade 3 is inserted into the mounting groove 521, so that the doctor blade 3 can be taken out from the mounting groove 521 for replacement. Be provided with the mounting 522 that is used for fixed doctor blade 3 position on buffer board 52, mounting 522 can set up to the bolt, and the tip of mounting 522 passes buffer board 52 and enters into mounting groove 521 in with the doctor blade 3 butt, and then fixes doctor blade 3's position, promotes except that the stability of china ink.

The implementation principle of the application is as follows: slider 43 exerts the pulling force to adjusting plate 41 through connecting rope 421, adjusting plate 41 removes and drives the scraping plate 3 and remove, scraping plate 3 removes and ink roller 12 butt, and then strike off the printing ink on ink roller 12, receive wearing and tearing or when taking place the skew at scraping plate 3, under the effect of slider 43 self gravity, make scraping plate 3 all the time with ink roller 12 butt, and make scraping plate 3 keep invariable low pressure to ink roller 12, promote the quality of printing.

The embodiments of the present invention are all preferred embodiments of the present invention, and the scope of protection of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a scraping plate of printing machine, includes frame (1), has set gradually transfer roller (6) and compression roller (7) that are used for printing along vertical direction on frame (1), its characterized in that: the below of transfer roller (6) is provided with ink roller (12) that are used for conveying printing ink, one side that ink roller (12) kept away from transfer roller (6) is provided with ink groove (11) that are used for placing printing ink, one side of frame (1) is provided with mounting bracket (2), be provided with on mounting bracket (2) and be used for striking off ink scraping plate (3) of printing ink on ink roller (12), be provided with adjustment mechanism (4) that are used for adjusting ink scraping plate (3) position on mounting bracket (2), adjustment mechanism (4) include slider (43), slider (43) slide the setting along vertical direction under the effect of self gravity on mounting bracket (2), slider (43) drive ink scraping plate (3) and ink roller (12) butt.

2. A doctor blade for a printing press according to claim 1, characterised in that: adjustment tank (21) have been seted up along the horizontal direction on mounting bracket (2), spout (22) have been seted up along vertical direction in mounting bracket (2), adjustment tank (21) and spout (22) intercommunication, adjustment mechanism (4) still include regulating plate (41) and drive assembly (42), regulating plate (41) slide the setting along the direction towards ink roller (12) in adjustment tank (21), slider (43) slide the setting in spout (22), slider (43) and regulating plate (41) are connected through drive assembly (42), scrape the one side that ink board (3) set up and are close to ink roller (12) in regulating plate (41).

3. The doctor blade of a printing press as claimed in claim 2, wherein: the transmission assembly (42) is including connecting rope (421) and steering member (422), the one end and the regulating plate (41) of connecting rope (421) are connected, the one end that regulating plate (41) were kept away from in connecting rope (421) is walked around steering member (422) and slider (43) and is connected.

4. A doctor blade for a printing press according to claim 3, characterised in that: slider (43) are to connecting the vertical downward setting of pulling force of rope (421), connect the pulling force of rope (421) to adjusting plate (41) along the direction setting towards ink roller (12).

5. The doctor blade of a printing press as claimed in claim 2, wherein: draw-in groove (23) have been seted up on the inside wall of adjustment tank (21), be provided with card strip (412) on adjustment plate (41), card strip (412) slide along the direction towards ink roller (12) in draw-in groove (23) and set up.

6. The doctor blade of a printing press as claimed in claim 2, wherein: buffer slot (411) have been seted up to one side that regulating plate (41) are close to ink roller (12), be provided with buffer gear (5) that are used for adjusting scraping plate (3) position in buffer slot (411).

7. The doctor blade of a printing press as claimed in claim 6, wherein: buffer gear (5) include elastic component (51) and buffer board (52), buffer board (52) slide in buffer slot (411) and set up, squeegee (3) set up the one side of keeping away from buffer slot (411) in buffer board (52), elastic component (51) set up in buffer slot (411), elastic component (51) and buffer board (52) butt.

8. The doctor blade of a printing press as claimed in claim 7, wherein: an installation groove (521) is formed in one side, far away from the buffer groove (411), of the buffer plate (52), the ink scraping plate (3) is inserted into the installation groove (521), and a fixing piece (522) used for fixing the position of the ink scraping plate (3) is arranged on the buffer plate (52).