CN110171188B - Automatic cleaning device and cleaning method for doctor blade opening of gravure press - Google Patents
Automatic cleaning device and cleaning method for doctor blade opening of gravure press Download PDFInfo
- Publication number
- CN110171188B CN110171188B CN201910513379.9A CN201910513379A CN110171188B CN 110171188 B CN110171188 B CN 110171188B CN 201910513379 A CN201910513379 A CN 201910513379A CN 110171188 B CN110171188 B CN 110171188B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- strip
- picking
- sliding block
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/06—Details
- B41F9/08—Wiping mechanisms
- B41F9/16—Removing or recovering ink from wiping mechanisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an automatic cleaning device and a cleaning method for a doctor blade opening of a gravure press, wherein the cleaning device comprises a cylinder body and a cylinder sliding block, and the cylinder sliding block is connected and fixed with a picking strip; the left end of the cylinder body is provided with a cylinder rotating shaft, a shifting fork and a shaft end cylinder, and the shaft end cylinder drives the cylinder rotating shaft to rotate through the shifting fork so as to drive the cylinder body and the cylinder sliding block to rotate, so that the removing end of the removing strip is tightly attached to or far away from the edge of the scraper. The cleaning method of the cleaning device comprises the following steps: (1) A cleaning device (2) is arranged to adjust the driving stroke of a piston rod of the shaft end cylinder; (3) The movable cylinder slide block and the strip picking device move to one end of the scraper; (4) Counting the time interval of cleaning the edge of the scraper, and recording as t 1 The method comprises the steps of carrying out a first treatment on the surface of the (5) Setting the time interval of the joint work of the shaft end cylinder and the cylinder body as t 2 ，t 2 ≤t 1 . The invention can clean the blade of the doctor blade, the degree of adhesion between the doctor blade and the blade can be adjusted, the cleaning is thorough, and the tailing of printed matters is prevented.
Description
Technical Field
The invention relates to a gravure press, in particular to an automatic cleaning device for a doctor blade opening of the gravure press and a cleaning method thereof.
Background
The printed matter sometimes has tailing phenomenon in the printing process, and the printed picture or line is blurred. The tailing phenomenon is generally caused by the ink itself or the doctor blade.
A doctor blade is arranged on one side of the printing roller of the gravure press, and the doctor blade scrapes redundant ink on the surface of the printing roller; when the gravure press prints, the printing roller rotates at a high speed, the printing travelling speed of the printed matter passing through the printing roller is up to 160-200m/min, due to the high rotating speed of the printing roller, the surface of the rotating roller drops off and a small part of residual ink is accumulated at the upper side position of the edge of the doctor blade, the volume of the dropped off and residual ink gradually increases gradually, if the ink is not cleaned off in time, the volume of the ink is possibly increased to a certain degree, the ink is printed on a product after being adhered on the surface of the printing roller, a tailing phenomenon occurs, and the rejection rate is generated.
In order to solve the above problems, the existing method is to manually remove the edge of the doctor blade by using a longer strip in the printing process, and the removing process has the following problems:
(1) The cleaning labor is large, and the gravure press with the printing advancing speed of 160-200m/min is taken as an example, and the gravure press is cleaned once every 40min in the general working process, so that the cleaning frequency is high.
(2) Manual cleaning has high requirements on force, uneven force or small force, is not clean and thorough, is easy to produce trailing printed matter, has large force or is too long when the strip is stretched forwards, and can possibly pierce the surface of a printing roller to influence printing.
(3) Manual cleaning is also at a certain risk of damage, because the printing roller and the roller body on the printing roller are used for clamping the printing opening to rotate, when the cleaning end of the pick strip is stuck to the surface of the printing roller, the pick strip can be driven to move, and if the pick strip is not retracted in time, the pick strip can be bitten into the space between the two roller bodies, so that damage is caused to the roller bodies and even damage is caused to a cleaning person.
At present, gravure presses produced and sold at home and abroad are not provided with a cleaning device for a scraper.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic cleaning device and a cleaning method for a doctor blade opening of a gravure press, wherein the device can clean the blade edge of the doctor blade, the sticking degree between the device and the blade edge can be adjusted, the cleaning is thorough, and the tailing of a printed product is prevented.
In order to solve the technical problems, the invention adopts the following technical means:
the automatic cleaning device for the doctor blade opening of the gravure press comprises a cylinder body and a cylinder sliding block, wherein the cylinder body is arranged in parallel with a printing roller, the cylinder sliding block moves along the horizontal direction of the cylinder body, the cylinder sliding block is connected and fixed with a picking bar, the picking bar is obliquely arranged above a scraper device, one end of the root of the picking bar is connected with the cylinder sliding block, the other end of the picking bar is a removing end, and the removing end is positioned above the edge of a scraper of the printing roller; the right end of the cylinder body is connected with a cylinder shaft seat bearing, the left end of the cylinder body is provided with a cylinder rotating shaft, the cylinder rotating shaft is connected with a left mounting seat plate bearing, the shaft end of the cylinder rotating shaft is fixedly connected with one end of a shifting fork, the other end of the shifting fork is connected with a piston rod of a shaft end cylinder, the shaft end cylinder drives the shifting fork to rotate, the shifting fork rotates to drive the cylinder rotating shaft to rotate, the cylinder rotating shaft rotates to drive the cylinder body and a cylinder sliding block to rotate, and the cylinder sliding block rotates to drive a strip picking end to be tightly attached to or far away from a knife edge of a scraper.
Compared with the prior art, the method has the outstanding characteristics that:
(1) The cylinder body is arranged, and the cylinder sliding block is used for driving the picking strip to move along the horizontal direction of the scraper edge.
(2) The shaft end cylinder is arranged, and the cylinder body is driven to rotate through the shifting fork, so that the cylinder body and sliding rotation of the cylinder body drive the strip picking rod to rotate in the vertical direction, and the effect that the removing end of the strip picking rod is tightly attached to or far away from the knife edge of the scraper is realized.
(3) The two cylinders drive the pick strip to move, so that the contact tightness degree of the pick strip and the scraper edge is convenient to adjust, and the pick strip can be kept constant in the cleaning process, so that the edge is clear, cleaner and more thorough, and the tailing phenomenon of a printed product is prevented.
(4) Through the setting of this device, avoided the manual work to clear away, reduced workman's intensity of labour, made print workman's work efficiency obtain improving, still improved the yield of the printing of printed matter simultaneously.
A further preferred technical scheme is as follows:
one end of the root of the picking strip is hinged with the air cylinder sliding block, a spring is arranged between the picking strip and the air cylinder sliding block, one end of the spring is connected with the sliding block, and the other end of the spring is connected with the picking strip.
Through setting up the spring, be convenient for after the clearance, through rotatory mode, rotate the position parallel with the cylinder body with the strip of picking, clear away the printing ink particulate matter that is stained with on the strip of picking, through the pulling force effect of spring just can reset after clear away to work next time.
The top surface of cylinder slider connect cylinder slider splint, the top surface of cylinder slider splint is equipped with the bedplate pivot, cylinder slider splint is connected through bedplate pivot and the strip bedplate of picking, picks strip bedplate connection fixed and picks the strip.
Through setting up cylinder slider splint, conveniently utilize cylinder slider splint to fix and pick a bedplate.
The bottom surface or the top surface of the strip picking seat plate is provided with a mounting groove and a strip picking cover plate, and the strip picking seat plate is clamped and fixed through the strip picking cover plate after being nested in the mounting groove.
By arranging the mounting groove and the strip picking cover plate, the strip picking device is convenient to mount and fix, so that the stability of strip picking operation is high.
The top surface of the strip picking seat board is provided with a spring fixing bolt which is connected with a fixing spring.
Through setting up the spring gim peg, make things convenient for the connection of spring to fix.
The cylinder axle seat set up in the right side installation bedplate outside, right side installation bedplate is equipped with the strip thru hole, the pivot that the right-hand member of cylinder body set up is connected with cylinder axle seat bearing behind the strip thru hole, the cylinder axle seat be equipped with the perpendicular adjustment lead screw that sets up of cylinder body, the adjustment lead screw passes through right mount pad end cover to be connected with the cylinder axle seat, right side installation bedplate is equipped with the direction lid, the cylinder axle seat sets up between direction lid and right side installation bedplate.
Through setting up strip thru hole, adjusting the lead screw, can be initially connected the left end of cylinder body, the rethread adjusts the position of lead screw regulation cylinder body right-hand member, makes this device and printing roll body (the edge of a knife) keep parallelism.
The other end of the shifting fork is connected with a piston rod of the shaft end cylinder through a shifting fork hinge shaft, one end of the shifting fork hinge shaft is provided with a hinge hole and is hinged with the shifting fork, the other end of the shifting fork hinge shaft is provided with an internal threaded hole, and the internal threaded hole is connected with a connecting bolt arranged at the end head of the piston rod of the shaft end cylinder.
Through setting up shift fork articulated shaft, utilize shift fork articulated shaft connection shift fork, can also utilize the internal thread hole adjustment piston rod end department to be equipped with connecting bolt's screw-thread fit's length simultaneously to finely tune the driving stroke of axle end cylinder.
The left mounting seat board on be equipped with spacing bolt, spacing bolt is equipped with key seat, spacing bolt body, the key seat top is equipped with the key hole with shift fork top corresponding position, the key hole is connected spacing bolt body.
Through setting up the spacing key body of key seat connection, the spacing key body's tip is adjustable with the distance between the shift fork top, conveniently protects printing roll body and scraper.
The strip picking device is characterized in that the strip picking device is connected with one end of a movable frame through a strip picking connecting seat, the other end of the movable frame is hinged with a connecting and fixing plate, the connecting and fixing plate is fixedly connected with a cylinder sliding block, a wheel groove is formed in the movable frame, a fine adjustment wheel is arranged in the wheel groove, and the fine adjustment wheel is in threaded fit with a fine adjustment bolt arranged at the end head of the strip picking connecting seat.
Through setting up and picking strip connecting seat, adjustable shelf and connecting the fixed plate, can utilize the extension length of fine setting wheel adjustment fine setting bolt to the extension of picking the strip is convenient for pick the more accurate extension of strip to the cutting edge department of scraper, so that effective clearance.
The upper part and the lower part of the movable frame are respectively provided with an upper pressing plate and a lower pressing plate, and the movable frame, the upper pressing plate and the lower pressing plate define a strip picking connecting seat; the side face of the strip picking connecting seat is provided with a side fixing bolt hole, a connecting fixing bolt is arranged in the side fixing bolt hole, and the connecting fixing bolt is tightly propped against the strip picking.
The upper pressing plate and the lower pressing plate are arranged, and the movable range of the strip picking connecting seat is limited by the movable frame, the upper pressing plate and the lower pressing plate, so that the connecting stability is high, and the strip picking connecting seat is not easy to shake; the side fixing bolt holes are internally provided with connecting fixing bolts which can fix the picking strips.
A cleaning method of an automatic cleaning device for a doctor blade opening of a gravure press comprises the following steps:
(1) The cleaning device is installed, and the position of the cleaning device and the connection fixing position of the picking bar are adjusted, so that the picking end of the picking bar is positioned above the knife edge of the scraper of the printing roller;
(2) Adjusting the driving stroke of a piston rod of the shaft end cylinder, so that the driving shifting fork drives the cylinder body of the cylinder to rotate when the piston rod runs for the maximum stroke, and the removing end of the removing strip can be tightly attached to the knife edge of the scraper; when the piston rod is reset, the shifting fork is driven to drive the cylinder body to rotate, so that the removing end of the removing strip can be far away from the edge of the scraper;
(3) Moving the cylinder slide block to enable the cylinder slide block and the picking bar to move to one end of the scraper;
(4) Detecting the time of the joint moving from the detection position to the position of the doctor blade during reel change, and recording as t1;
(5) The delay time of the joint working of the cylinder body of the cylinder at the shaft end is recorded as t2, and t2 is less than or equal to t1, so that the joint is cleaned when the joint is about to move to or moves to the doctor blade.
By utilizing the method, the blade of the doctor blade can be effectively cleaned, the degree of adhesion between the doctor blade and the blade can be adjusted, the cleaning is thorough, and the tailing of printed matters is prevented; in addition, through setting up, utilize the joint department of paper circle to clear up when passing through the doctor blade, can further prevent the waste product that produces when clearing up, because the printed matter of joint department is usually rejected as non-qualified product.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a perspective view of the use state of the present invention.
Fig. 4 is a perspective view of a second connection mode of the pick strip of the present invention.
Fig. 5 is an exploded view of fig. 4.
Fig. 6 is a circuit diagram of an electronic control system of the present invention.
Fig. 7 is a schematic diagram of PLC automatic control.
Reference numerals illustrate: 1-a shifting fork hinge shaft; 2-limiting bolts; 3-cylinder rotating shaft; 4-a cylinder body; 5-cylinder slide block; 6-cylinder slide block clamping plates; 7-strip picking seat plates; 8-a hand wheel; 9-a spring; 10-adjusting a screw rod; 11-a guide cover; 12-cylinder shaft seat; 13-bearing; 14-right mounting base plate; 15-right mount end cap; 16-stripping; 17-strip picking cover plates; 18-a spring anchor; 19-a bearing; 20-a seat board rotating shaft; 21-left mounting base plate; 22-bearings; 23-spacer bush; 24-shaft end cylinder; 25-shifting fork; 26-shifting fork fixing bolts; 27-connecting a fixed plate; 28-a movable frame; 29-a lower platen; 30-picking strip connecting seats; 31-side fixing bolt holes; 32-connecting the oblique through holes; 33-upper press plate; 34-fine tuning wheel; 35-fine tuning bolts; 36-wheel groove.
Detailed Description
The invention will be further illustrated with reference to the following examples.
Referring to fig. 1, 2 and 3, the automatic cleaning device for a doctor blade of a gravure press of the present invention comprises a cylinder body 4, a cylinder slider 5, a pick bar 16 and a shaft end cylinder 24; the cylinder body 4 is arranged in parallel with the printing roller, the cylinder sliding block 5 moves along the horizontal direction of the cylinder body 4, the cylinder sliding block 5 is connected and fixed with the picking bar 16, the picking bar 16 is obliquely arranged above the scraper device, one end of the root of the picking bar 16 is connected with the cylinder sliding block 5, the other end of the picking bar 16 is a removing end, and the removing end is positioned above the edge of the scraper of the printing roller; the right end of the cylinder body 4 is connected with the cylinder shaft seat 12 through a bearing 13, the left end of the cylinder body 4 is provided with a cylinder rotating shaft 3, the cylinder rotating shaft 3 is connected with a left mounting seat board 21 through a bearing 22, the shaft end of the cylinder rotating shaft 3 is fixedly connected with one end of a shifting fork 25, the other end of the shifting fork 25 is connected with a piston rod of a shaft end cylinder 24, the shaft end cylinder 24 drives the shifting fork 25 to rotate, the shifting fork 25 rotates to drive the cylinder rotating shaft 3 to rotate, the cylinder rotating shaft 3 rotates to drive the cylinder body 4 and the cylinder sliding block 5 to rotate, and the cylinder sliding block 5 rotates to drive the picking strip 16 to rotate, so that the picking end of the picking strip 16 is tightly attached to or far away from a knife edge of a scraper.
The bottom of shift fork 25 is equipped with the shaft hole, and shift fork 25 is equipped with shift fork dead bolt 26 in the shaft hole outer end.
The left end of the cylinder body 4 is connected with a left mounting seat board 21 through a bearing 22 and a spacer bush 23, and a bearing connecting through hole is arranged at the joint of the left mounting seat board 21.
One end of the root of the picking strip 16 is hinged with the air cylinder sliding block 5, a spring 9 is arranged between the picking strip 16 and the air cylinder sliding block 5, one end of the spring 9 is connected with the sliding block, and the other end of the spring 9 is connected with the picking strip 16.
Through setting up spring 9, be convenient for after the clearance, through rotatory mode, with pick the strip 16 rotate to the position parallel with cylinder body 4, clear away the printing ink particulate matter that is stained with on the strip 16, clear away the back and just can reset through the pulling force effect of spring 9 to work next time.
The top surface of the air cylinder sliding block 5 is connected with an air cylinder sliding block clamping plate 6, the top surface of the air cylinder sliding block clamping plate 6 is provided with a seat plate rotating shaft 20, the air cylinder sliding block clamping plate 6 is connected with a strip picking seat plate 7 through the seat plate rotating shaft 20, and the strip picking seat plate 7 is connected and fixed with a strip picking 16.
By arranging the air cylinder sliding block clamping plate 6, the strip picking seat plate 7 is conveniently fixed by the air cylinder sliding block clamping plate 6.
The bottom surface or the top surface of the strip picking seat plate 7 is provided with a mounting groove and a strip picking cover plate 17, and the strip picking seat plate 16 is clamped and fixed through the strip picking cover plate 17 after being nested in the mounting groove.
By arranging the mounting groove and the strip picking cover plate 17, the strip picking 16 is convenient to mount and fix, so that the stability of the strip picking 16 in working is high.
The top surface of the strip picking seat plate 7 is provided with a spring fixing bolt 18, and the spring fixing bolt 18 is connected with a fixing spring 9.
By arranging the spring fixing bolt 18, the connection and the fixation of the spring 9 are facilitated.
The cylinder shaft seat 12 is arranged on the outer side of the right mounting seat plate 14, the right mounting seat plate 14 is provided with strip-shaped through holes, a rotating shaft arranged at the right end of the cylinder body 4 is connected with a cylinder shaft seat 12 bearing 13 through the strip-shaped through holes, the cylinder shaft seat 12 is provided with an adjusting screw rod 10 which is perpendicular to the cylinder body 4, the adjusting screw rod 10 is connected with the cylinder shaft seat 12 through a right mounting seat end cover 15, the right mounting seat plate 14 is provided with a guide cover 11, and the cylinder shaft seat 12 is arranged between the guide cover 11 and the right mounting seat plate 14.
Through setting up strip thru hole, adjusting screw 10, can initially connect the left end of cylinder body 4 earlier, the position of cylinder body 4 right-hand member is adjusted to the rethread adjusting screw 10, makes this device and printing roll body (the edge of a knife of scraper) keep parallelism.
A hand wheel 8 is arranged at the end of the adjusting screw rod 10 to facilitate manual adjustment.
The other end of the shifting fork 25 is connected with a piston rod of the shaft end cylinder 24 through a shifting fork hinge shaft 1, one end of the shifting fork hinge shaft 1 is provided with a hinge hole which is hinged with the shifting fork 25, the other end of the shifting fork hinge shaft 1 is provided with an internal threaded hole, and the internal threaded hole is connected with a connecting bolt arranged at the end head of the piston rod of the shaft end cylinder 24.
Through setting up shift fork articulated shaft 1, utilize shift fork articulated shaft 1 to connect shift fork 25, can also utilize the internal thread hole adjustment piston rod end department of shift fork articulated shaft 1 to be equipped with connecting bolt's screw-thread fit's length simultaneously to finely tune the driving stroke of axle end cylinder 24.
The left mounting seat board 21 on be equipped with spacing bolt 2, spacing bolt 2 is equipped with key seat, spacing bolt 2 body, the key seat top is equipped with the key hole with shift fork 25 top correspondence position, the key hole is connected spacing bolt 2 body.
Through setting up the key seat and connecting spacing bolt 2 body, the distance between the tip of spacing bolt 2 body and shift fork 25 top is adjustable, conveniently protects printing roll body and scraper.
Referring to fig. 4 and 5, it can be seen that the picking bar 16 is connected with one end of the movable frame 28 through the picking bar connecting seat 30, the other end of the movable frame 28 is hinged with the connecting and fixing plate 27, the connecting and fixing plate 27 is fixedly connected with the air cylinder slide block 5, the movable frame 28 is provided with a wheel groove 36, a fine tuning wheel 34 is arranged in the wheel groove 36, and the fine tuning wheel 34 is in threaded fit with a fine tuning bolt 35 arranged at the end of the picking bar connecting seat 30.
Through setting up and picking strip connecting seat 30, movable shelf 28 and connecting fixed plate 27, can utilize the extension length of fine setting wheel 34 adjustment fine setting bolt 35 to the extension of fine setting pick strip 16, the more accurate cutting edge department that extends to the scraper of pick strip 16 of being convenient for is convenient for clear up effectively.
The upper and lower parts of the movable frame 28 are respectively provided with an upper pressing plate 33 and a lower pressing plate 29, and the movable frame 28, the upper pressing plate 33 and the lower pressing plate 29 define a strip picking connecting seat 30; the side surface of the picking strip connecting seat 30 is provided with a side fixing bolt hole 31, a connecting fixing bolt is arranged in the side fixing bolt hole 31, and the connecting fixing bolt is tightly propped against the picking strip 16.
By arranging the upper pressing plate 33 and the lower pressing plate 29, the movable range of the strip picking connecting seat 30 is limited by the upper pressing plate 33 and the lower pressing plate 29 of the movable frame 28, so that the connecting stability is high and the strip picking connecting seat is not easy to shake; the side fixing bolt holes 31 are provided with connecting fixing bolts, so that the picking strip 16 can be fixed.
The advantages of this embodiment are:
(1) The cylinder body 4 is arranged, and the cylinder sliding block 5 is utilized to drive the picking strip 16 to move along the horizontal direction of the scraper edge.
(2) The shaft end cylinder 24 is arranged, and the cylinder body 4 is driven to rotate through the shifting fork 25, so that the cylinder body 4 and sliding rotation thereof drive the picking strip 16 to rotate in the vertical direction, and the picking end of the picking strip 16 is tightly attached to or far away from the knife edge of the scraper.
(3) The two cylinders drive the pick strips 16 to move, so that the contact tightness of the pick strips 16 and the edge of the scraper is convenient to adjust, and the contact tightness can be kept constant in the cleaning process, so that the edge is clear, cleaner and more thorough, and the tailing phenomenon of a printed product is prevented.
(4) Through the setting of this device, avoided the manual work to clear away, reduced workman's intensity of labour, made print workman's work efficiency obtain improving, still improved the yield of the printing of printed matter simultaneously.
A cleaning method of an automatic cleaning device for a doctor blade opening of a gravure press comprises the following steps:
(1) The cleaning device is installed, and the position of the cleaning device and the connecting and fixing position of the picking strip 16 are adjusted, so that the picking end of the picking strip 16 is positioned above the knife edge of the scraper of the printing roller;
(2) The driving stroke of the piston rod of the shaft end cylinder 24 is regulated, so that the driving shifting fork 25 drives the cylinder body 4 to rotate when the piston rod runs for the maximum stroke, and the removing end of the removing strip 16 can be tightly attached to the knife edge of the scraper; when the piston rod is reset, the shifting fork 25 is driven to drive the cylinder body 4 to rotate, so that the removing end of the removing strip 16 can be far away from the edge of the scraper;
(3) Moving the cylinder slide block 5 to enable the cylinder slide block 5 and the strip picking 16 to move to one end of the scraper;
(4) Counting the time interval of cleaning the edge of the scraper in a normal working state, and marking as t1;
(5) The time interval for the joint work of the shaft end cylinder 24 and the cylinder body 4 is set to be t2, and t2 is less than or equal to t1, so that a knife edge is cleaned in time.
By using the method, the blade of the doctor blade can be effectively cleaned, the degree of adhesion between the doctor blade and the blade can be adjusted, the cleaning is thorough, and the tailing of printed matters is prevented.
As can be seen in conjunction with fig. 6-7, the present invention allows for manual and electrical control. In fig. 6, SB1 is a start button; SB2 and SB3 are manual and automatic selector switches respectively; SB2-1 driving surface slide block cylinder action switch; SB3-1 shaft end cylinder pressure switch; SQ1 is limited by a sliding block cylinder at the operation side; the SQ2 transmission side sliding block cylinder is limited; t1 power-on delay (0-5S), T2 power-off delay (0-10S); YV1 slider cylinder solenoid valve; yV2 shaft end cylinder electromagnetic valve.
Control principle of the circuit shown in fig. 6: when the SB2 and SB3 switches are in an automatic state, when the starting button SB1 is pressed, the time relay T2 is electrically closed, and YV2 works; and after the time delay of the time relay T1 is finished, the YV1 enters a back and forth working state. When SB1 is disconnected, the cylinder body of the driving slide block is powered off and returns to the operation side; the shaft end cylinder is delayed for 2 seconds and then returns to the working position.
As can be seen from fig. 7, automatic control can be realized by using the PLC, and when the touch button of the touch screen is in a manual state, an operator can operate a start button on the unit to perform manual operation. When the touch button of the touch screen is in an automatic state, the detection electric eye can be utilized to detect the joint of two material rolls, and when the detection electric eye detects the adhesive tape signal of the paper splice of the two material rolls, the PLC automatically outputs 2 cylinder action instructions to control 2 cylinders to complete cleaning actions. The input end of the PLC is connected with the detection electric eye signal, and the output end of the PLC is connected with the action of the 2 cylinders. Position detection and completion clearance that utilizes the joint, advantage lies in: when the joint moves to the position of the doctor blade during starting, the joint is just started, so that the product loss is low; no additional waste is produced in the joint location.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the scope of the claims, but rather the equivalent structural changes made by the application of the present description and drawings are intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides an automatic cleaning device of gravure press doctor blade mouth, includes cylinder body, cylinder slider, its characterized in that: the cylinder body and the printing roller are arranged in parallel, the cylinder sliding block moves along the horizontal direction of the cylinder body, the cylinder sliding block is connected and fixed with the strip picking device, the strip picking device is obliquely arranged above the scraper device, one end of the root of the strip picking device is connected with the cylinder sliding block, the other end of the strip picking device is a removing end, and the removing end is positioned above the knife edge of the scraper of the printing roller; the right end of the cylinder body is connected with a cylinder shaft seat bearing, the left end of the cylinder body is provided with a cylinder rotating shaft, the cylinder rotating shaft is connected with a left mounting seat plate bearing, the shaft end of the cylinder rotating shaft is fixedly connected with one end of a shifting fork, the other end of the shifting fork is connected with a piston rod of a shaft end cylinder, the shaft end cylinder drives the shifting fork to rotate, the shifting fork rotates to drive the cylinder rotating shaft to rotate, the cylinder rotating shaft rotates to drive the cylinder body and a cylinder sliding block to rotate, and the cylinder sliding block rotates to drive a strip picking end to be tightly attached to or far away from a knife edge of a scraper.
2. The automatic cleaning device for a doctor blade opening of a gravure press of claim 1, wherein: one end of the root of the picking strip is hinged with the air cylinder sliding block, a spring is arranged between the picking strip and the air cylinder sliding block, one end of the spring is connected with the sliding block, and the other end of the spring is connected with the picking strip.
3. The automatic cleaning device for a doctor blade opening of a gravure press of claim 2, wherein: the top surface of the air cylinder sliding block is connected with an air cylinder sliding block clamping plate, the top surface of the air cylinder sliding block clamping plate is provided with a seat plate rotating shaft, the air cylinder sliding block clamping plate is connected with a strip picking seat plate through the seat plate rotating shaft, and the strip picking seat plate is fixedly connected with a strip picking; the bottom surface or the top surface of the strip picking seat plate is provided with a mounting groove and a strip picking cover plate, and the strip picking seat plate is clamped and fixed through the strip picking cover plate after being nested in the mounting groove.
4. The automatic cleaning device for a doctor blade opening of a gravure press of claim 3, wherein: the top surface of the strip picking seat board is provided with a spring fixing bolt which is connected with a fixing spring.
5. The automatic cleaning device for a doctor blade opening of a gravure press of claim 1, wherein: the cylinder axle seat set up in the right side installation bedplate outside, right side installation bedplate is equipped with the strip thru hole, the pivot that the right-hand member of cylinder body set up is connected with cylinder axle seat bearing behind the strip thru hole, the cylinder axle seat be equipped with the perpendicular adjustment lead screw that sets up of cylinder body, the adjustment lead screw passes through right mount pad end cover to be connected with the cylinder axle seat, right side installation bedplate is equipped with the direction lid, the cylinder axle seat sets up between direction lid and right side installation bedplate.
6. The automatic cleaning device for a doctor blade opening of a gravure press of claim 1, wherein: the other end of the shifting fork is connected with a piston rod of the shaft end cylinder through a shifting fork hinge shaft, one end of the shifting fork hinge shaft is provided with a hinge hole and is hinged with the shifting fork, the other end of the shifting fork hinge shaft is provided with an internal threaded hole, and the internal threaded hole is connected with a connecting bolt arranged at the end head of the piston rod of the shaft end cylinder.
7. The automatic cleaning device for a doctor blade opening of a gravure press of claim 1, wherein: the left mounting seat board on be equipped with spacing bolt, spacing bolt is equipped with key seat, spacing bolt body, the key seat top is equipped with the key hole with shift fork top corresponding position, the key hole is connected spacing bolt body.
8. The automatic cleaning device for a doctor blade opening of a gravure press of claim 1, wherein: the strip picking device is characterized in that the strip picking device is connected with one end of a movable frame through a strip picking connecting seat, the other end of the movable frame is hinged with a connecting and fixing plate, the connecting and fixing plate is fixedly connected with a cylinder sliding block, a wheel groove is formed in the movable frame, a fine adjustment wheel is arranged in the wheel groove, and the fine adjustment wheel is in threaded fit with a fine adjustment bolt arranged at the end head of the strip picking connecting seat.
9. The automatic cleaning device for a doctor blade opening of a gravure press of claim 8, wherein: the upper part and the lower part of the movable frame are respectively provided with an upper pressing plate and a lower pressing plate, and the movable frame, the upper pressing plate and the lower pressing plate define a strip picking connecting seat; the side face of the strip picking connecting seat is provided with a side fixing bolt hole, a connecting fixing bolt is arranged in the side fixing bolt hole, and the connecting fixing bolt is tightly propped against the strip picking.
10. The cleaning method of a gravure press doctor blade opening automatic cleaning device according to claim 1, characterized by comprising the steps of:
(1) The cleaning device is installed, and the position of the cleaning device and the connection fixing position of the picking bar are adjusted, so that the picking end of the picking bar is positioned above the knife edge of the scraper of the printing roller;
(2) Adjusting the driving stroke of a piston rod of the shaft end cylinder, so that the driving shifting fork drives the cylinder body of the cylinder to rotate when the piston rod runs for the maximum stroke, and the removing end of the removing strip can be tightly attached to the knife edge of the scraper; when the piston rod is reset, the shifting fork is driven to drive the cylinder body to rotate, so that the removing end of the removing strip can be far away from the edge of the scraper;
(3) Moving the cylinder slide block to enable the cylinder slide block and the picking bar to move to one end of the scraper;
(4) Detecting the time of the joint moving from the detection position to the doctor blade during reel change, and recording as t 1 ；
(5) Setting the delay time of the joint work of the shaft end cylinder and the cylinder body as t 2 ，t 2 ≤t 1 The blade is cleaned when the joint is about to move or move to the doctor blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513379.9A CN110171188B (en) | 2019-06-14 | 2019-06-14 | Automatic cleaning device and cleaning method for doctor blade opening of gravure press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910513379.9A CN110171188B (en) | 2019-06-14 | 2019-06-14 | Automatic cleaning device and cleaning method for doctor blade opening of gravure press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110171188A CN110171188A (en) | 2019-08-27 |
| CN110171188B true CN110171188B (en) | 2023-11-28 |
Family
ID=67697214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910513379.9A Active CN110171188B (en) | 2019-06-14 | 2019-06-14 | Automatic cleaning device and cleaning method for doctor blade opening of gravure press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110171188B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB302966A (en) * | 1927-09-22 | 1928-12-24 | Hoe & Co R | Improvements in or relating to printing machines |
| GB484756A (en) * | 1937-05-06 | 1938-05-10 | Miehle Printing Pressand Mfg C | Doctor-blade constructions for gravure printing-presses |
| RU2067932C1 (en) * | 1991-10-17 | 1996-10-20 | Де ла рю Жиори С.А. | Cleaner for metalographic printing machine |
| DE69802609D1 (en) * | 1997-04-11 | 2002-01-10 | Komori Printing Mach | Cleaning device for a web printing machine |
| CN2803703Y (en) * | 2005-03-15 | 2006-08-09 | 无锡宝南机器制造有限公司 | Pneumatic ink scrapping and cleaning appts |
| CN202213294U (en) * | 2011-08-19 | 2012-05-09 | 黄汉庆 | Scraper device of gravure proof press |
| CN106079893A (en) * | 2016-06-17 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of cleaning device and clean method |
| CN206796774U (en) * | 2017-06-01 | 2017-12-26 | 北京金海王星信息咨询有限公司 | The ink-scraping device of intaglio press |
| CN210390421U (en) * | 2019-06-14 | 2020-04-24 | 山东鲁烟莱州印务有限公司 | Automatic cleaning device for ink scraping knife edge of gravure press |
-
2019
- 2019-06-14 CN CN201910513379.9A patent/CN110171188B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB302966A (en) * | 1927-09-22 | 1928-12-24 | Hoe & Co R | Improvements in or relating to printing machines |
| GB484756A (en) * | 1937-05-06 | 1938-05-10 | Miehle Printing Pressand Mfg C | Doctor-blade constructions for gravure printing-presses |
| RU2067932C1 (en) * | 1991-10-17 | 1996-10-20 | Де ла рю Жиори С.А. | Cleaner for metalographic printing machine |
| DE69802609D1 (en) * | 1997-04-11 | 2002-01-10 | Komori Printing Mach | Cleaning device for a web printing machine |
| CN2803703Y (en) * | 2005-03-15 | 2006-08-09 | 无锡宝南机器制造有限公司 | Pneumatic ink scrapping and cleaning appts |
| CN202213294U (en) * | 2011-08-19 | 2012-05-09 | 黄汉庆 | Scraper device of gravure proof press |
| CN106079893A (en) * | 2016-06-17 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of cleaning device and clean method |
| CN206796774U (en) * | 2017-06-01 | 2017-12-26 | 北京金海王星信息咨询有限公司 | The ink-scraping device of intaglio press |
| CN210390421U (en) * | 2019-06-14 | 2020-04-24 | 山东鲁烟莱州印务有限公司 | Automatic cleaning device for ink scraping knife edge of gravure press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110171188A (en) | 2019-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110171188B (en) | Automatic cleaning device and cleaning method for doctor blade opening of gravure press | |
| CN210390421U (en) | Automatic cleaning device for ink scraping knife edge of gravure press | |
| CN210730271U (en) | Sheet dust removal deviation correcting device | |
| CN213830921U (en) | Composite dust removal system | |
| CN211515564U (en) | Roller cleaning device | |
| CN114985188B (en) | Thermosensitive paper processing equipment and processing technology | |
| KR100858127B1 (en) | Dust removal apparatus of strip surface | |
| CN200984758Y (en) | Flexible scraper device for board edge trimming machine | |
| CN206436632U (en) | The cleaning device of printing machine pinch roller | |
| CN211100304U (en) | L CD surface impression removing mechanism and L CD cleaning device | |
| CN213957123U (en) | A surrounding type check out test set for working of plastics spraying | |
| CN111634736B (en) | Automatic cloth feeding mechanism for thermoprinting machine | |
| CN210026214U (en) | 3D printing supplies winding equipment | |
| CN218655662U (en) | Belt cleaning device of embossing roll | |
| CN217753250U (en) | Digital printing's dirt wadding remove device | |
| CN216139706U (en) | Compacting equipment of digital printing fabric | |
| CN217703665U (en) | Adjustable knife rest clearance structure | |
| CN212825982U (en) | Horizontal glue scraping mechanism | |
| CN216399839U (en) | Die cutting machine for cutting moon cake box plate | |
| CN219902441U (en) | Rubber cutting machine | |
| CN116619736B (en) | Online cleaning plastic-sticking compression roller equipment | |
| CN220784162U (en) | Waste material cleaning device for on-duty slotting die-cutting machine | |
| CN220264641U (en) | CTP publishing machine | |
| CN213420446U (en) | Image acquisition device for image processing | |
| CN216040419U (en) | Automatic edge scraping system for impregnated paper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |