CN112060772A - Method for cleaning impurities in ink of relief printing device - Google Patents
Method for cleaning impurities in ink of relief printing device Download PDFInfo
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- CN112060772A CN112060772A CN202011081938.2A CN202011081938A CN112060772A CN 112060772 A CN112060772 A CN 112060772A CN 202011081938 A CN202011081938 A CN 202011081938A CN 112060772 A CN112060772 A CN 112060772A
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- telescopic pipe
- pipe
- air
- ink
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/03—Ink agitators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
- B01D33/39—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection concentrically or coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/802—Device for changing the inclination of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a method for cleaning impurities in printing ink of a relief printing plate printing device, which comprises a tank body and an air pump, wherein an air passage is arranged at the axis of a gravure roller, a plugging plate is arranged in a groove, a pipeline is also arranged in the air passage, fourth telescopic pipes with the same number as that of the grooves are arranged on the circumferential outer wall of the pipeline, the tail end of each telescopic pipe is provided with a push rod, and the push rods penetrate through the plugging plate; the inner wall both sides of cell body all are equipped with the backup pad, the top of backup pad all is equipped with the bracing piece, the top of bracing piece is equipped with the connecting piece, be equipped with the breach on the connecting piece, be equipped with filter plate in the breach, the inside of bracing piece is equipped with the cavity, be equipped with the movable rod in the cavity, the movable rod stretches into to the connecting piece in, and be located filter plate's bottom, the bottom of backup pad still all is equipped with first flexible pipe, first flexible pipe is connected with the inner bottom of cell body, still be equipped with second trachea and third trachea on the air pump, second trachea and cavity intercommunication, third trachea and first flexible pipe.
Description
Technical Field
The invention relates to the technical field of relief printing, in particular to a method for cleaning impurities in ink of a relief printing device.
Background
Intaglio printing is called gravure for short, is one of four printing modes, intaglio printing is a direct printing method, and ink contained in intaglio pits is directly printed on a printing stock, wherein the gradation of a printed picture is determined by the size and the depth of the pits, if the pits are deeper, more ink is contained, and the ink layer left on a printed matter after being printed is thicker; on the contrary, if the pit is shallow, the amount of the contained ink is less, the ink layer left on the printed matter after impression is thinner, the printing plate of the intaglio printing is composed of the pit corresponding to the image and text of the original and the surface of the printing plate, when printing, the ink is filled into the pit, the ink on the surface of the printing plate is scraped off by a doctor blade, the printing plate is in certain pressure contact with the printed matter, the ink in the pit is transferred onto the printed matter, the printing is finished, the intaglio printing is used as one of printing processes, and the advantages of thick ink layer, bright color, high saturation, high printing plate printing durability, stable quality of the printed matter, high printing speed and the like occupy an extremely important position in the fields of printing packaging and image and text publishing. At present, most of the ink used by the existing intaglio printing machine has some granular impurities or some impurities such as paper scraps, iron dust and the like fall into the ink in the using process, so that the impression cylinder and the intaglio cylinder are easily damaged during printing, and the printing quality is also easily influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and the invention aims to provide the method for cleaning the impurities in the printing ink of the relief printing device, so that the impurities in the grooves of the gravure roller can be discharged, and meanwhile, the impurities in the printing ink can be effectively filtered out in the process of inking the printing ink in the tank body, thereby improving the printing quality of the product.
The invention is realized by the following technical scheme:
a method of cleaning impurities from ink in a letterpress printing device, comprising the steps of:
1) pouring printing ink used for printing into the tank body;
2) starting an air pump, introducing high-pressure air into the first telescopic pipe to force the first telescopic pipe to expand and stretch, and pushing the support plate to drive the filter screen plate in a downward inclined state to move to the upper layer of the printing ink;
3) high-pressure gas is introduced into the cavity of the support rod by using the air pump, so that the movable rod pushes the filter screen plates to rotate upwards, and the two filter screen plates are ensured to be in a horizontal state;
4) high-pressure gas is introduced into the fifth telescopic pipe by using an air pump, so that the fifth telescopic pipe is forced to push the support rod to move towards the direction far away from the tank body, and the two filter screen plates in the horizontal state are ensured to be butted together;
5) the gas introduced into the first telescopic pipe is exhausted, and the filter screen plate is pulled to move downwards under the action of the first elastic piece, so that impurities in the printing ink are filtered to the lower layer;
6) starting a gravure roller to print the product;
7) when impurities enter the groove of the gravure roller, introducing gas into the pipeline by using the air pump to force the fourth telescopic pipe to push the push rod to move in the groove so as to clean the impurities in the groove;
8) when external impurities fall into the tank body, gas introduced into the cavity in the supporting rod is discharged, the filter screen plate is forced to rotate downwards in the connecting piece, high-pressure gas is introduced into the first telescopic pipe, the supporting plate is forced to drive the filter screen plate to move upwards, and the filter screen plate is moved to the upper layer of the printing ink;
9) continuously introducing high-pressure gas into the cavity in the support rod, and regulating the filter screen plate to be in a horizontal state again;
10) exhausting the gas introduced into the first telescopic pipe, forcing the filter screen plate at the upper layer to move downwards, and filtering impurities in the upper layer of printing ink to the lower layer of the tank body in a centralized manner;
the novel gravure printing device comprises a pool body, wherein a gravure roller is arranged in the pool body, a stamping roller is arranged above the gravure roller, a plurality of grooves are formed in the outer wall of the circumference of the gravure roller, an air pump is further arranged, air passages are formed in the axis of the gravure roller and communicated with the grooves through channels, plugging plates are arranged in the grooves, pipelines are further arranged in the air passages, the pipelines and the air passages are connected with the air pump, fourth telescopic pipes with the same number as the grooves are arranged on the outer wall of the circumference of each pipeline, one end of each fourth telescopic pipe is communicated with the corresponding pipeline, the other end of each fourth telescopic pipe is located in the corresponding channel, a push rod is arranged at the tail end of each fourth telescopic pipe; the two sides of the inner wall of the tank body are respectively provided with a supporting plate, the supporting plates can move on the inner wall of the tank body along the vertical direction, the top parts of the supporting plates are respectively provided with a supporting rod, the supporting rods are connected with the supporting plates in a sliding way, the top parts of the supporting rods are provided with connecting pieces of circular ring structures, the outer circumferential wall of each connecting piece is provided with a notch, a filter screen plate is arranged in each notch, the filter screen plate is hinged with the inner wall, a cavity is arranged inside the supporting rod, a movable rod is arranged in the cavity and extends into the connecting piece, and is positioned at the bottom of the filter screen plate, the movable rod can adjust the inclination angle of the filter screen plate, the bottom of the supporting plate is also provided with a first telescopic pipe which is connected with the inner bottom of the tank body, the air pump is also provided with a second air pipe and a third air pipe, the second air pipe is communicated with the cavity, and the third air pipe is communicated with the first telescopic pipe.
Aiming at the problem that impurities in the printing ink are easily attached to a circular groove of a gravure roller in the process of inking by a letterpress printing machine in the prior art, so that the quality of the printing ink printed by a product is poor, in the technical scheme, an air passage is arranged at the axis of the existing gravure roller and is connected with an air pump through an air pipe, a fourth telescopic pipe is also arranged in each passage and is a corrugated pipe, when the air pump works, high-pressure air generated by the air pump enters the pipeline and then enters the fourth telescopic pipe, and the corrugated pipe can stretch after being ventilated, so that the fourth telescopic pipe can push a push rod to move in the groove, the impurities entering the groove of the gravure roller are cleaned, and the impurities are prevented from remaining in the groove to influence the printing quality of the product; simultaneously, all be provided with the shutoff board in each recess of gravure roller among this technical scheme, shutoff board and recess sealing connection, when the air pump during operation, the high-pressure gas that the air pump produced gets into to the air flue in, later the rethread passageway gets into to the recess in, promote the shutoff board in the recess and remove in the recess to effectively control the storage capacity in the recess, and then controlled the inking volume of product, at the in-process of in-service use, can adjust the inking volume of gravure roller in real time, need not to shut down and follow the gravure roller of changing different models.
In the technical scheme, in order to avoid impurities in the printing ink in the tank body from entering the groove of the intaglio roller, two filter screen plates are arranged and are positioned below the intaglio roller, when a product is printed and inked, the arranged filter screen plates can effectively prevent the impurities in the printing ink at the lower layer of the tank body from flowing upwards, but in the actual printing process, the impurities outside easily fall into the tank body under the influence of the external environment, so that new impurities falling into the tank body in the printing process are forced to be positioned above the filter screen plates, and the impurities cannot be effectively filtered, therefore, the state of the two filter screen plates is set to be adjustable, because the cavity in the support rod is filled with high-pressure gas in the initial state, the high-pressure gas pushes the movable rod to extend into the connecting piece and pushes the filter screen plates to be in the horizontal state, and when new impurities fall into the printing ink in the tank body, the gas in the cavity of the supporting rod is discharged, the movable rod is forced to retract into the supporting rod under the action of gravity, the supporting plate is further enabled to rotate downwards around the hinged position in the connecting piece, so that the two filter screen plates in the tank body are in an oriented inclined state, a gap for passing impurities is formed between the two filter screen plates, then high-pressure gas is introduced into the first telescopic pipe by using the air pump, the first telescopic pipe is also a corrugated pipe, the first telescopic pipe can be stretched along the vertical direction, the supporting plate is pushed to move upwards, the filter screen plates in the inclined state on the supporting plate move upwards, the filter screen plates are lifted to a higher height, the filter screen plates are higher than the filter screen plates in the horizontal state before, the impurities in the printing ink can pass through the gap between the two filter screen plates, and when the two filter screen plates are at a certain height, the gas is introduced into the cavity of the supporting, the movable rod is pushed to extend into the connecting piece again under the action of gas, the filter screen plates are pushed to rotate upwards, the filter screen plates are rotated to be in a horizontal state again, the two filter screen plates are horizontally connected together, gas introduced into the first telescopic pipe is discharged finally, the first telescopic pipe is forced to return to an initial state, namely, the elongated first telescopic pipe is shortened gradually, the supporting plate moves towards the direction, the impurities in the printing ink are pushed downwards by the two horizontal filter screen plates in the moving process of the supporting plate towards the direction, the impurities can be intensively precipitated on the bottom in the tank body, the probability of the impurities flowing to the upper layer is reduced, the probability of the impurities entering the grooves of the gravure roller is reduced, and meanwhile, the requirement for cleaning the impurities newly falling into the tank body is met.
Furthermore, a plurality of second elastic pieces are arranged on the plugging plate and connected with the inner bottom of the groove; and a third elastic piece is also arranged on the push rod and is positioned between the plugging plate and the fourth telescopic pipe.
In order to ensure that the plugging plate can automatically move towards the inner bottom of the groove after the gas entering the groove is discharged, a second elastic piece is arranged; in a similar way, in order to guarantee that after the gas discharge in the fourth expansion pipe, the movable rod can automatically move towards the direction of the fourth expansion pipe, so the second elastic piece is arranged, and the end face of the movable rod is always flushed with the end face of the blocking plate, so that the ink in the groove is guaranteed not to leak.
Furthermore, first sliding grooves are formed in two sides of the inner wall of the pool body, first sliding blocks matched with the first sliding grooves are arranged on the side walls of the supporting plates, and the first sliding blocks are located in the first sliding grooves; the top of backup pad still is equipped with the second spout, the bottom of bracing piece is equipped with the second slider that matches with the second spout to the second slider is located the second spout.
In order to ensure that the supporting plate can effectively move on the inner wall of the tank body along the vertical direction, the inner wall of the tank body is provided with the first sliding groove, when the air pump ventilates into the first telescopic pipe, the supporting plate can be ensured to move along the linear direction under the action of the first telescopic pipe, and the supporting plate is prevented from deviating; simultaneously, in order to increase the clearance between two filter screen boards when being in the tilt state, so with bracing piece and backup pad sliding connection for the bracing piece can move towards well cell body inner wall direction in the backup pad, thereby increases the size in two filter screen board clearances.
Further, the top of backup pad still is equipped with the riser, and the riser is close to in the inner wall of cell body, still is equipped with fourth elastic component and the flexible pipe of fifth between riser and the bracing piece, still be equipped with first trachea on the air pump, first trachea runs through riser and the flexible intercommunication of fourth.
The fifth telescopic pipe is used for adjusting the position of the supporting rod on the supporting plate, and has the following principle: utilize the air pump to let in gas in to the fifth expansion pipe, the fifth expansion pipe is the bellows, force the expansion of fifth expansion and draw, promote the bracing piece and remove towards keeping away from the cell body direction, guarantee that two filter plate that are in the horizontality can dock together, and the bracing piece is at the in-process that removes, the fourth elastic component of setting is in by tensile state, when the clearance between two filter plate of needs increase, will let in to the gas discharge in the fifth expansion pipe, under the effect of fourth elastic component, the pulling bracing piece removes towards cell body inner wall direction, thereby the clearance between two filter plate has been increased, and then make the filter plate that is in the tilt state at the in-process that moves up, can reduce the contact with the interior china ink impurity of cell body.
Furthermore, the bottom of the supporting plate is also provided with a first elastic part, and the first elastic part is connected with the inner bottom of the pool body.
Because printing ink is thick viscous state, can drive filter plate towards the well removal fast in order to guarantee the backup pad, so set up first elastic component, take place the inflation after first flexible pipe ventilates when tensile, first elastic component this moment also is in stretching device, so when the gas exhaust back in first flexible pipe, under the effect of first elastic component elasticity, can stimulate the backup pad and remove down fast.
Furthermore, a second telescopic pipe is further arranged on the inner bottom of the pool body, a fourth air pipe and a fifth air pipe are arranged on the air pump, the fourth air pipe is communicated with the second telescopic pipe, a motor is arranged in the tail end of the second telescopic pipe, an output shaft of the motor penetrates through the second telescopic pipe, a fixed block is arranged at the tail end of the output shaft, a plurality of third telescopic pipes are arranged on the side wall of the fixed block, and the fifth air pipe is communicated with the third telescopic pipes.
Because the printing ink in the tank body is exposed in the air when the printing machine is stopped and placed, and thick oxidation films appear on the surface for a long time, the printing ink crust is generated, and the printing quality of a product is influenced, the technical scheme also comprises a stirring component arranged in the tank body, the stirring component comprises a second telescopic pipe and a third telescopic pipe, a motor is arranged in the second telescopic pipe, an output shaft of the motor can drive a fixed block to rotate when the motor works, so as to drive the third telescopic pipe on the fixed block to stir the printing ink in the tank body, in order to avoid interference on a filter screen plate, the stirring component is arranged into a retractable structure, when the product is printed, the stirring component retracts to the bottom in the tank body, namely is positioned below the filter screen plate, when the printing ink on the upper layer needs to be stirred when the printing machine is stopped, the filter screen plate is firstly adjusted to incline downwards, and the third telescopic pipe on the fixed block can pass through a gap between, then utilize the air pump to ventilate in to the second expansion pipe, force the second expansion pipe to take place the inflation tensile along vertical direction, drive the flexible pipe of third and remove to the upper strata of printing ink, then in order to increase the stirring dynamics to upper printing ink, continue to utilize the air pump to ventilate in to the third expansion pipe, force the flexible pipe of third to take place to stretch along the horizontal direction, stirring area when the flexible pipe of increase third is rotatory utilizes the motor to drive the flexible pipe rotation of third at last, stirs the printing ink of last time.
Furthermore, a fifth elastic piece is arranged in the third telescopic pipe, and two ends of the fifth elastic piece are connected with two ends in the third telescopic pipe; and a sixth elastic piece is further arranged in the second telescopic pipe, one end of the sixth elastic piece is connected with the motor, and the other end of the sixth elastic piece is connected with the inner bottom of the second telescopic pipe.
When printing needs to be carried out again, the air in the third telescopic pipe and the air in the second telescopic pipe are exhausted in sequence, and the third telescopic pipe and the second telescopic pipe can be quickly restored to the initial state under the action of the fifth elastic piece and the sixth elastic piece.
Further, still be equipped with the frizing on the inner wall of cell body, the circumference outer wall of frizing contacts with the circumference outer wall of gravure roller.
The scraping disc arranged can clean the ink remained on the outer wall of the circumference of the gravure roller.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a method for cleaning impurities in printing ink of a relief printing plate printing device, which comprises the steps of introducing gas into a fourth telescopic pipe by using an air pump, forcing the fourth telescopic pipe to push a push rod to extend out of a blocking plate, cleaning the impurities entering into a groove of a gravure roller, preventing the impurities in the groove from being printed on a product, arranging the blocking plate in each groove of the gravure roller, and enabling the blocking plate to be hermetically connected with the groove;
2. the invention relates to a method for cleaning impurities in printing ink of a relief printing device, wherein two filter screens positioned in a tank body are arranged into an adjustable structure, so that the impurities on the lower layer of the printing ink can be blocked, the impurities on the lower layer of the printing ink are prevented from floating upwards, and when the external impurities fall into the printing ink in the tank body in the printing process on the other side, the filter screens in the horizontal state can be quickly adjusted into a downward inclined state by using a connecting piece, then the filter screens in the inclined state move upwards and form the horizontal state again, and finally the filter screens move downwards to drive the impurities to be downwards, so that the impurities are intensively filtered on the lower layer of the printing ink;
3. according to the method for cleaning impurities in the ink of the relief printing device, the ink on the upper layer can be stirred by using the third telescopic pipe and the second telescopic pipe, and the third telescopic pipe and the second telescopic pipe are not interfered with each other, so that the thick oxidation film of the ink on the upper layer is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of another embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the gravure roll of the present invention;
FIG. 4 is a schematic structural view of a support plate and a support rod according to the present invention;
FIG. 5 is a schematic structural view of the inner wall of the tank body of the present invention;
FIG. 6 is a top view of the support plate of the present invention;
FIG. 7 is a schematic structural diagram of a filter screen plate according to the present invention;
FIG. 8 is a schematic structural view of a stirring assembly of the present invention;
FIG. 9 is a schematic structural view of a third bellows according to the present invention;
fig. 10 is a schematic structural view of a second bellows according to the present invention.
Reference numbers and corresponding part names in the drawings:
1-scraping disc, 2-embossing roller, 3-product, 4-gravure roller, 5-filter screen plate, 6-first air pipe, 7-first telescopic pipe, 8-tank body, 9-air pump, 10-second air pipe, 11-first elastic part, 12-fourth air pipe, 13-second telescopic pipe, 14-supporting plate, 15-third telescopic pipe, 16-pipeline, 17-groove, 18-push rod, 19-second elastic part, 20-air passage, 21-third elastic part, 22-fourth telescopic pipe, 23-blocking plate, 24-vertical plate, 25-fifth telescopic pipe, 26-fourth elastic part, 27-supporting rod, 28-cavity, 29-notch, 30-movable rod, 31-connecting part, 32-a second sliding groove, 33-a fixed block, 34-a fifth elastic element, 35-a motor, 36-an output shaft, 37-a sixth elastic element, 38-a first sliding block and 39-a first sliding groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 to 10, a method for cleaning foreign matter in ink of a letterpress printing device of the invention comprises the steps of:
1) pouring printing ink used for printing into the tank body 8;
2) starting an air pump 9, introducing high-pressure air into the first extension pipe 7 to force the first extension pipe 7 to expand and stretch, and pushing the support plate 14 to drive the filter screen plate 5 in a downward inclined state to move to the upper layer of the ink;
3) high-pressure gas is introduced into the cavity 28 of the support rod 27 by using the air pump 9, so that the movable rod 30 pushes the filter screen plates 5 to rotate upwards, and the two filter screen plates are ensured to be in a horizontal state;
4) high-pressure gas is introduced into the fifth telescopic pipe 25 by using the air pump 9 to force the fifth telescopic pipe 25 to push the support rod 27 to move towards the direction far away from the tank body 8, so that the two filter screen plates in the horizontal state are ensured to be butted together;
5) the air introduced into the first extension tube 7 is exhausted, and the filter screen plate 5 is pulled to move downwards under the action of the first elastic piece 11, so that impurities in the ink are filtered to the lower layer;
6) starting the gravure roller 4 to print the product 3;
7) when impurities enter the groove 17 of the gravure roller 4, air is introduced into the pipeline 16 by using the air pump 9, so that the fourth telescopic pipe 22 is forced to push the push rod 18 to move in the groove 17, and the impurities in the groove 16 are cleaned out;
8) when external impurities fall into the tank body 8, gas introduced into the cavity 28 in the support rod 27 is discharged, the filter screen plate 5 is forced to rotate downwards in the connecting piece 31, high-pressure gas is introduced into the first extension pipe 7, the support plate 14 is forced to drive the filter screen plate 5 to move upwards, and the filter screen plate 5 is moved to the upper layer of the printing ink;
9) continuously introducing high-pressure gas into the cavity 28 in the supporting rod 27, and regulating the filter screen plate 5 to be in a horizontal state again;
10) the gas introduced into the first extension tube 7 is exhausted, the filter screen plate 5 at the upper layer is forced to move downwards, and impurities in the ink at the upper layer are intensively filtered to the lower layer of the tank body;
the device comprises a pool body 8, wherein a gravure roller 4 is arranged in the pool body 8, a stamping roller 2 is arranged above the gravure roller 4, a plurality of grooves 17 are formed in the circumferential outer wall of the gravure roller 4, the device is characterized by further comprising an air pump 9, air passages 20 are arranged at the axis of the gravure roller 4, the air passages 20 are communicated with the grooves 17 through channels, plugging plates 23 are arranged in the grooves 17, pipelines 16 are further arranged in the air passages 20, the pipelines 16 and the air passages 20 are connected with the air pump 9, fourth telescopic pipes 22 with the same number as the grooves 17 are arranged on the circumferential outer wall of the pipeline 16, one end of each fourth telescopic pipe 22 is communicated with the pipeline 16, the other end of each fourth telescopic pipe is located in each channel, a push rod 18 is arranged at the tail end of each fourth telescopic pipe, and the push rod 18 penetrates through the plugging; the inner wall of the tank body 8 is provided with support plates 14 on both sides, the support plates 14 can move on the inner wall of the tank body 8 along a vertical direction, the top of the support plates 14 is provided with support rods 27, the support rods 27 are slidably connected with the support plates 14, the top of the support rods 27 is provided with connecting pieces 31 of a circular ring structure, the outer wall of the circumference of the connecting pieces 31 is provided with notches 29, filter screen plates 5 are arranged in the notches 29, the filter screen plates 5 are hinged with the inner walls of the connecting pieces 31 through the notches 29, a cavity 28 is arranged in the support rods 27, movable rods 30 are arranged in the cavity 28, the movable rods 30 extend into the connecting pieces 31 and are positioned at the bottoms of the filter screen plates 5, the movable rods 30 can adjust the inclination angles of the filter screen plates 5, the bottoms of the support plates 14 are provided with first telescopic pipes 7, the first telescopic pipes 7 are connected with the inner, the second air duct 10 communicates with the cavity 28 and the third air duct communicates with the first telescopic duct 7.
Example 2
On the basis of embodiment 1, a plurality of second elastic members 19 are further arranged on the blocking plate 23, and the second elastic members 19 are connected with the inner bottom of the groove 17; the push rod 18 is further provided with a third elastic member 21, and the third elastic member 21 is located between the blocking plate 23 and the fourth telescopic tube 22.
Example 3
On the basis of embodiment 1, both sides of the inner wall of the tank body 8 are provided with first sliding grooves 39, the side wall of the supporting plate 14 is provided with first sliding blocks 38 matched with the first sliding grooves 39, and the first sliding blocks 38 are located in the first sliding grooves 39; the top of the supporting plate 14 is further provided with a second sliding groove 32, the bottom of the supporting rod 27 is provided with a second sliding block matched with the second sliding groove 32, and the second sliding block is located in the second sliding groove 32.
Example 4
On the basis of the example 1, the method comprises the following steps of,
the top of the supporting plate 14 is further provided with a vertical plate 24, the vertical plate 24 is close to the inner wall of the tank body 8, a fourth elastic member 26 and a fifth telescopic tube 25 are further arranged between the vertical plate 24 and the supporting rod 27, the air pump 9 is further provided with a first air tube 6, and the first air tube 6 penetrates through the vertical plate 24 and is communicated with the fourth telescopic tube 25.
Example 5
On the basis of embodiment 1, the bottom of the supporting plate 14 is further provided with a first elastic member 11, and the first elastic member 11 is connected with the inner bottom of the tank body 8.
Example 6
On the basis of embodiment 1, a second telescopic pipe 13 is further arranged on the inner bottom of the tank body 8, a fourth air pipe 12 and a fifth air pipe are arranged on the air pump 9, the fourth air pipe 12 is communicated with the second telescopic pipe 13, a motor 35 is arranged in the tail end of the second telescopic pipe 13, an output shaft 36 of the motor 35 penetrates through the second telescopic pipe 13, a fixing block 33 is arranged at the tail end of the output shaft 36, a plurality of third telescopic pipes 15 are arranged on the side wall of the fixing block 33, and the fifth air pipe is communicated with the third telescopic pipes 15.
Example 7
On the basis of the embodiment 6, a fifth elastic member 34 is further disposed in the third telescopic tube 15, and two ends of the fifth elastic member 3 are connected with two ends in the third telescopic tube 15; a sixth elastic element 37 is further arranged in the second extension tube 13, one end of the sixth elastic element 37 is connected with the motor 35, and the other end is connected with the inner bottom of the second extension tube 13.
Example 8
On the basis of the embodiment 1, the inner wall of the tank body 8 is also provided with a scraping disc 1, and the circumferential outer wall of the scraping disc 1 is in contact with the circumferential outer wall of the gravure roller 4.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A method for cleaning impurities in ink of a letterpress printing device is characterized by comprising the following steps:
1) pouring printing ink used for printing into the tank body (8);
2) starting an air pump (9), introducing high-pressure air into the first telescopic pipe (7) to force the first telescopic pipe (7) to expand and stretch, and pushing the support plate (14) to drive the filter screen plate (5) in a downward inclined state to move to the upper layer of the printing ink;
3) high-pressure gas is introduced into the cavity (28) of the support rod (27) by using the air pump (9), so that the movable rod (30) pushes the filter screen plates (5) to rotate upwards, and the two filter screen plates are ensured to be in a horizontal state;
4) high-pressure gas is introduced into the fifth telescopic pipe (25) by using an air pump (9), so that the fifth telescopic pipe (25) pushes the support rod (27) to move towards the direction far away from the tank body (8), and the two filter screen plates in the horizontal state are ensured to be butted together;
5) the air introduced into the first extension pipe (7) is exhausted, and the filter screen plate (5) is pulled to move downwards under the action of the first elastic piece (11), so that impurities in the ink are filtered to the lower layer;
6) starting the gravure roller (4) to print the product (3);
7) when impurities enter the groove (17) of the gravure roller (4), air is introduced into the pipeline (16) by using the air pump (9), so that the fourth telescopic pipe (22) pushes the push rod (18) to move in the groove (17), and the impurities in the groove (16) are cleaned out;
8) when external impurities fall into the tank body (8), gas introduced into the cavity (28) in the supporting rod (27) is discharged, the filter screen plate (5) is forced to rotate downwards in the connecting piece (31), high-pressure gas is introduced into the first telescopic pipe (7), the supporting plate (14) is forced to drive the filter screen plate (5) to move upwards, and the filter screen plate (5) is moved to the upper layer of the printing ink;
9) continuously introducing high-pressure gas into the cavity (28) in the support rod (27), and regulating the filter screen plate (5) to be in a horizontal state again;
10) the gas introduced into the first telescopic pipe (7) is discharged, the filter screen plate (5) at the upper layer is forced to move downwards, and impurities in the ink at the upper layer are intensively filtered to the lower layer of the tank body;
comprises a tank body (8), wherein a gravure roller (4) is arranged in the tank body (8), the gravure printing machine is characterized in that a stamping roller (2) is arranged above the gravure roller (4), a plurality of grooves (17) are formed in the outer wall of the circumference of the gravure roller (4), the gravure printing machine also comprises an air pump (9), an air flue (20) is arranged at the axis of the gravure roller (4), and the air passages (20) are communicated with the grooves (17) through channels, the grooves (17) are internally provided with plugging plates (23), a pipeline (16) is also arranged in the air passage (20), the pipeline (16) and the air passage (20) are both connected with the air pump (9), the circumferential outer wall of the pipeline (16) is provided with fourth extension tubes (22) with the same number as the grooves (17), one end of each fourth extension tube (22) is communicated with the pipeline (16), the other end is positioned in the channel, the tail end of the plugging plate is provided with a push rod (18), and the push rod (18) penetrates through the plugging plate (23);
the inner wall both sides of cell body (8) all are equipped with backup pad (14), backup pad (14) can remove along vertical direction on the inner wall of cell body (8), the top of backup pad (14) all is equipped with bracing piece (27), bracing piece (27) and backup pad (14) sliding connection, the top of bracing piece (27) is equipped with connecting piece (31) of ring structure, be equipped with breach (29) on the circumference outer wall of connecting piece (31), be equipped with in breach (29) and filter otter board (5), filter otter board (5) and the inner wall of connecting piece (31) is articulated through breach (29), the inside of bracing piece (27) is equipped with cavity (28), be equipped with movable rod (30) in cavity (28), movable rod (30) stretch into connecting piece (31) to be located the bottom that filters otter board (5), the inclination of filter otter board (5) can be adjusted to movable rod (30), the bottom of the supporting plate (14) is also provided with a first telescopic pipe (7), the first telescopic pipe (7) is connected with the inner bottom of the tank body (8), the air pump (9) is also provided with a second air pipe (10) and a third air pipe, the second air pipe (10) is communicated with the cavity (28), and the third air pipe is communicated with the first telescopic pipe (7).
2. The method for cleaning foreign matter in ink of a letterpress printing device according to claim 1, wherein a plurality of second elastic members (19) are further provided on the blocking plate (23), and the second elastic members (19) are connected to the inner bottom of the recess (17); and a third elastic piece (21) is further arranged on the push rod (18), and the third elastic piece (21) is positioned between the blocking plate (23) and the fourth telescopic pipe (22).
3. The method for cleaning impurities in the ink of the letterpress printing device according to claim 1, wherein a first sliding groove (39) is formed in each of two sides of the inner wall of the tank body (8), a first sliding block (38) matched with the first sliding groove (39) is arranged on the side wall of the supporting plate (14), and the first sliding block (38) is positioned in the first sliding groove (39); the top of the supporting plate (14) is also provided with a second sliding groove (32), the bottom of the supporting rod (27) is provided with a second sliding block matched with the second sliding groove (32), and the second sliding block is positioned in the second sliding groove (32).
4. The method for cleaning impurities in the ink of the letterpress printing device according to claim 1, wherein a vertical plate (24) is further arranged at the top of the supporting plate (14), the vertical plate (24) is close to the inner wall of the tank body (8), a fourth elastic member (26) and a fifth telescopic pipe (25) are further arranged between the vertical plate (24) and the supporting rod (27), a first air pipe (6) is further arranged on the air pump (9), and the first air pipe (6) penetrates through the vertical plate (24) and is communicated with the fifth telescopic pipe (25).
5. The method for cleaning foreign matter in the ink of a letterpress printing device according to claim 1, wherein a first elastic member (11) is further provided at the bottom of the support plate (14), and the first elastic member (11) is connected to an inner bottom of the tank body (8).
6. The method for cleaning impurities in the ink of the letterpress printing device according to claim 1, wherein a second telescopic pipe (13) is further arranged on the inner bottom of the tank body (8), a fourth air pipe (12) and a fifth air pipe are arranged on the air pump (9), the fourth air pipe (12) is communicated with the second telescopic pipe (13), a motor (35) is arranged in the tail end of the second telescopic pipe (13), an output shaft (36) of the motor (35) penetrates through the second telescopic pipe (13), a fixed block (33) is arranged on the tail end of the output shaft (36), a plurality of third telescopic pipes (15) are arranged on the side wall of the fixed block (33), and the fifth air pipe is communicated with the third telescopic pipes (15).
7. The method for cleaning foreign matter in ink of a letterpress printing device according to claim 6, wherein a fifth elastic member (34) is further provided in the third telescopic tube (15), and both ends of the fifth elastic member (3) are connected to both ends in the third telescopic tube (15); a sixth elastic piece (37) is further arranged in the second telescopic pipe (13), one end of the sixth elastic piece (37) is connected with the motor (35), and the other end of the sixth elastic piece is connected with the inner bottom of the second telescopic pipe (13).
8. The method for cleaning impurities in the ink of the letterpress printing device according to claim 1, wherein a scraping disc (1) is further arranged on the inner wall of the pool body (8), and the circumferential outer wall of the scraping disc (1) is in contact with the circumferential outer wall of the gravure roller (4).
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| CN112060772B (en) | 2021-06-11 |
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Effective date of registration: 20210521 Address after: 510000 12 Bihua street, Jinxiu Road, Guangzhou Economic and Technological Development Zone, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU GUANYU ALUMINIUM FOIL PACKING MATERIAL Co.,Ltd. Address before: 610000 Chengdu, Sichuan, Shuangliu District, Dongsheng Street, long bridge 6, 129, 1 units, 9 level 902. Applicant before: CHENGDU MINGJIE TECHNOLOGY Co.,Ltd. |
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