CN114558391A

CN114558391A - Dust removal device for corrugated paper printing machine and dust removal method thereof

Info

Publication number: CN114558391A
Application number: CN202210236766.4A
Authority: CN
Inventors: 甘云飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-05-31

Abstract

The invention discloses a dust removal device for a corrugated paper printing machine and a dust removal method thereof, wherein the dust removal device comprises a dust removal box, a dust removal pipeline is embedded in one side of the dust removal box, the dust removal pipeline is internally divided into a dust removal cavity and a dust suction cavity, a protective net is arranged on the outer wall of the top of the dust removal pipeline, a dust suction fan is arranged on the inner wall of the dust suction cavity, a filter plate is fixedly connected to the inner wall of the dust removal cavity, a plurality of filter holes are formed in the outer wall of the filter plate, two mounting grooves III are formed in two sides of each filter hole, an electromagnet II is arranged on the inner wall of the bottom of each mounting groove III, sliding columns are connected to the tops of every two mounting grooves III in a sliding mode, permanent magnets are fixedly connected to the outer wall of the bottoms of the sliding columns, and the magnetic force of the permanent magnets and the magnetic force generated by the electromagnet II repel each other. The filter plate can clean the edge and the inner wall of the filter hole of the filter plate, keeps the inner wall of the filter hole clean, and avoids the blockage of the filter hole due to the attachment of solid particle impurities such as dust on the inner wall, thereby greatly influencing the filtering efficiency.

Description

Dust removal device for corrugated paper printing machine and dust removal method thereof

Technical Field

The invention relates to the technical field of corrugated paper printing machines, in particular to a dust removal device for a corrugated paper printing machine and a dust removal method thereof.

Background

The corrugated paper is a multi-layer adhesive body, at least consists of a layer of wavy core paper interlayer and a layer of paper board, has higher mechanical strength, can bear certain pressure from a plane, is rich in elasticity, has good buffering effect, and can resist collision and falling in the process of carrying.

The corrugated paper is at present by extensive application on the packing box, and in the production process of packing box, can print various patterns on the corrugated paper according to the demand of each enterprise, information such as characters, the corrugated paper is because long-term exposure is in external environment, so solid impurity such as a large amount of dust can be accumulated on its surface, for guaranteeing printing quality, can use dust collector to remove dust to its surface before the printing machine prints the corrugated paper, and use the filter to filter the dust, avoid direct discharge to cause the pollution to the environment, and the filter is at the in-process to the dust filtration, its edge and the inner wall of filtering the hole can adhere to a large amount of solid particle impurity, thereby lead to the filtration hole to be blockked up, influence the filter effect greatly.

In view of the above, the present invention provides a dust removing device for a corrugated paper printing machine and a dust removing method thereof, so as to solve the problems in the prior art.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a dust removal device for a corrugated paper printing machine and a dust removal method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

a dust removal device for a corrugated paper printing machine comprises a dust removal box, wherein a dust removal pipeline is inlaid on one side of the dust removal box, the interior of the dust removal pipeline is divided into a dust removal cavity and a dust suction cavity, a protective net is arranged on the outer wall of the top of the dust removal pipeline, a dust suction fan is arranged on the inner wall of the dust suction cavity, a filter plate is fixedly connected to the inner wall of the dust removal cavity, a plurality of filter holes are formed in the outer wall of the filter plate, two sides of each filter hole are respectively provided with a third mounting groove, the inner wall of the bottom of each mounting groove is provided with a second electromagnet, the tops of every two mounting grooves are slidably connected with a sliding column, the outer wall of the bottom of each sliding column is fixedly connected with a permanent magnet, the magnetic force of each permanent magnet and the magnetic force generated by the second electromagnet repel each other, an arc reed is arranged between each permanent magnet and the second electromagnet, the outer wall of each sliding column is fixedly connected with a lifting plate, and the middle part of each lifting plate is connected with a mounting column through an elastic rope, the outer wall of the top of the mounting column is fixedly connected with an arc-shaped plate, the outer wall of the lower end of the mounting column is hinged with a plurality of swing plates II, each of the two ends of each swing plate is hinged with a swing plate I, each of the swing plates I is provided with a plurality of cleaning brushes II, and each of the swing plates I is provided with a spring between each swing plate II and the mounting column.

Further, the upper and lower sides of the two sides of the filter plate are respectively provided with a first mounting groove and a second mounting groove, the two mounting grooves are internally rotatably connected with bobbins, pulleys are arranged inside the two mounting grooves, one end of the bobbin inside the first mounting groove above the filter plate is connected with the inner wall of the top of the first mounting groove through a torsion spring, and the outer wall of the bottom of the bobbin inside the first mounting groove below the filter plate is provided with a servo motor.

Further, the filter below is equipped with the locating plate, and the locating plate middle part rotates and is connected with the pivot, and the winding of the bobbin outer wall of the mounting groove inside of filter top has haulage rope two, and two outer wall fixedly connected with of haulage rope stir the board, and haulage rope two is walked around the pulley in two mounting grooves and is twined respectively on the bobbin of pivot and filter below.

Further, the outer wall of the top of the rotating shaft is fixedly connected with a cleaning plate, and a plurality of cleaning brushes I are fixedly connected to the outer wall of the top of the cleaning plate at equal intervals.

Further, the inner wall of the dust removing cavity bottom is fixedly connected with a cleaning frame, outer walls of two ends of the middle of the cleaning frame are fixedly connected with fixing plates, outer walls of the bottom of the rotating shaft are rotatably connected to outer walls of the top of the fixing plates, and outer walls of two sides of the fixing plates are respectively fixedly connected with sliding rods with inner walls of two sides of the cleaning frame.

Further, clean frame both ends inner wall all sliding connection has rectangular slider, and rectangular slider and slide bar sliding connection, the equal sliding connection of rectangular slider inner wall has the cleaning brush, the equal fixedly connected with fixed block of rectangular slider top outer wall all is equipped with haulage rope one between every fixed block and the pivot, and dust removal chamber bottom outer wall is equipped with the dustbin.

Furthermore, two all be equipped with connecting spring between rectangular slider and the cleaning frame one side inner wall, and connecting spring cover locates the slide bar outer wall, rectangular slider top inner wall fixedly connected with electro-magnet one, be equipped with a plurality of buffer spring between electro-magnet one and the cleaning brush.

A dust removal method of a dust removal device for a corrugated paper printing machine comprises the following specific steps: before printing corrugated paper, carry the corrugated paper to the dust removal incasement through the driving roller, the roller is changeed in the clearance after that and is cleared up its surperficial dust, and dust absorption fan work will fly upward the dust and absorb to the dust removal pipeline in this moment, then the dust is removed dust by the filter and is filtered, and the air current that is filtered the dust at last is discharged to the external world through the protection network of dust removal pipeline.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, when the corrugated paper is dedusted, the dust-absorbing fan absorbs flying dust into the dedusting pipeline, airflow containing dust enters the dedusting cavity along the dedusting pipeline and is then filtered by solid impurity particles such as dust and the like by the filter plate, and in the process of ascending along the dedusting cavity, the airflow exerts an upward force on the arc-shaped plates on the mounting columns, so that the arc-shaped plates drive the mounting columns to shake in the filtering holes to move irregularly, and in the process of ascending movement of the mounting columns, the springs arranged between the first oscillating plate and the second oscillating plate and the springs arranged between the second oscillating plate and the mounting columns are extruded, so that the first oscillating plate enters the filtering holes, the edges and the inner walls of the filtering holes are cleaned, and meanwhile, by switching on and off the second electromagnets in the mounting grooves and the third electromagnets in a reciprocating way, through mutually repulsive magnetic force, make lifter plate up-and-down reciprocating motion to make the clean brush two on the swing board one can carry out the degree of depth clean to filtering the downthehole wall, keep filtering the clean and tidy of downthehole wall, avoid solid particle impurity such as dust to adhere to on the inner wall and lead to filtering the hole jam, thereby influence filtration efficiency greatly.

2. In the invention, when the surface of the filter plate needs to be cleaned after long-time use, the servo motor is started to intermittently rotate forward and backward, and the electromagnet is intermittently powered on and off; when the servo motor positively transmits, the bobbin at the top of the servo motor starts to wind a traction rope II, the traction rope II wound on the outer wall of the bobbin above the rotating shaft and the filter plate is loosened, the torsion spring generates elasticity due to tension, at the moment, the poking plate on the traction rope II moves towards the direction of the mounting groove II to hit the arc-shaped plate and the mounting column, so that irregular movement of the mounting column is more violent, the inner wall of the filter hole is sufficiently cleaned, when the poking plate moves to the mounting groove II, the servo motor rotates reversely, the traction rope II is wound on the bobbin on the filter plate under the action of the elasticity of the torsion spring, the poking plate resets at the same time, the arc-shaped plate and the mounting column are hit again, the rotating shaft is rotated back and forth due to the circular reciprocating matching, the rotating shaft drives the cleaning brushes on the cleaning plate to clean the surface of the filter plate, and solid impurities such as dust attached to the surface of the filter plate are removed, need not the manual work and dismantle the filter and clear up, it is easy and simple to handle, promote work efficiency greatly.

3. In the invention, when the filter plate is cleaned, the rotating shaft rotates back and forth along with the positive and negative rotation of the servo motor, when the servo motor rotates positively, the rotating shaft rotates positively to enable the first traction rope on the outer wall of the lower end of the rotating shaft to be wound on the outer wall of the rotating shaft, so that the first traction rope pulls the long sliding block to slide on the sliding rod towards the direction of the fixed plate through the fixed block, the connecting spring is stretched, in the process, the cleaning brush below the long sliding block can clean dust on the inner wall of the bottom wall of the dust removing cavity to enable the dust to fall into the garbage can, the situation that the dust is accumulated in the dust removing cavity to cause difficulty in cleaning is avoided, when the servo motor rotates reversely, the long sliding block can reset under the elastic force of the connecting spring, meanwhile, the electromagnet is electrified to generate magnetic force to attract the cleaning brush on the inner wall of the long sliding block to move upwards to be separated from the contact with the inner wall of the dust removing cavity, and the dust is prevented from being swept towards the opposite direction, thereby causing dust to be accumulated in the corner position of the dust removing cavity and the cleaning brush to be unable to clean.

Drawings

FIG. 1 is a schematic structural diagram of a dust removing device for a corrugated paper printing machine;

fig. 2 is an enlarged schematic view of a structure at a position a of the dust removing device for the corrugated paper printing machine;

FIG. 3 is a schematic cross-sectional view of a long slider of a dust collector for a corrugating machine;

fig. 4 is an enlarged schematic view of a structure at a position B of the dust removing device for the corrugated paper printing machine;

fig. 5 is an enlarged schematic view of a structure at a position C of the dust removing device for the corrugated paper printing machine;

fig. 6 is an enlarged schematic view of a structure at position D of a dust removing device for a corrugated paper printing machine.

In the figure: 1-a dust removal box, 2-a dust removal pipeline, 3-a rotating shaft, 4-a protective screen, 5-a dust removal cavity, 6-a dust absorption cavity, 7-a long slide block, 8-a connecting spring, 9-a cleaning frame, 10-a fixed block, 11-a slide bar, 12-a first traction rope, 13-a fixed plate, 14-a cleaning brush, 15-a first electromagnet, 16-a buffer spring, 17-a servo motor, 18-a winding drum, 19-a first mounting groove, 20-a shifting plate, 21-a second traction rope, 22-a filter plate, 23-a filter hole, 24-a second mounting groove, 25-a cleaning plate, 26-a first cleaning brush, 27-a positioning plate, 28-a permanent magnet, 29-a third mounting groove, 30-a lifting plate, 31-an arc-shaped plate, 32-mounting column, 33-sliding column, 34-arc reed, 35-electromagnet II, 36-swinging plate I, 37-swinging plate II and 38-cleaning brush II.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-6, a dust removing device for a corrugated paper printing machine comprises a dust removing box 1, a dust removing pipe 2 is embedded on one side of the dust removing box 1, the dust removing pipe 2 is internally divided into a dust removing chamber 5 and a dust suction chamber 6, a protective net 4 is arranged on the outer wall of the top of the dust removing pipe 2, a dust suction fan is arranged on the inner wall of the dust suction chamber 6, a filter plate 22 is fixedly connected to the inner wall of the dust removing chamber 5, a plurality of filter holes 23 are formed in the outer wall of the filter plate 22, mounting grooves III 29 are formed in both sides of each filter hole 23, an electromagnet II 35 is arranged on the inner wall of the bottom of each mounting groove III 29, a sliding column 33 is slidably connected to the tops of each two mounting grooves III 29, a permanent magnet 28 is fixedly connected to the outer wall of the bottom of the sliding column 33, the magnetic force of the permanent magnet 28 and the magnetic force generated by the electromagnet II 35 repel each other, an arc reed 34 is arranged between the permanent magnet 28 and the electromagnet II 35, and the outer wall of each two sliding columns 33 is fixedly connected to a same lifting plate 30, and the middle part of each lifting plate 30 is connected with a mounting column 32 through an elastic rope, the outer wall of the top of the mounting column 32 is fixedly connected with an arc-shaped plate 31, the outer wall of the lower end of the mounting column 32 is hinged with a plurality of swinging plates II 37, one end of each swinging plate II 37 is hinged with a swinging plate I36, the outer wall of each swinging plate I36 is provided with a plurality of cleaning brush II 38, and springs are arranged between each swinging plate I36 and the swinging plate II 37 and between each swinging plate II 37 and the mounting column 32.

According to the invention, two mounting grooves I19 and two mounting grooves II 24 are respectively arranged above and below two sides of a filter plate 22, the two mounting grooves I19 are internally and rotatably connected with a bobbin 18, pulleys are arranged inside the two mounting grooves II 24, one end of the bobbin 18 inside the mounting groove I19 above the filter plate 22 is connected with the inner wall of the top of the mounting groove I19 through a torsion spring, and the outer wall of the bottom of the bobbin 18 inside the mounting groove I19 below the filter plate 22 is provided with a servo motor 17.

According to the invention, the positioning plate 27 is arranged below the filter plate 22, the rotating shaft 3 is rotatably connected to the middle part of the positioning plate 27, the traction rope II 21 is wound on the outer wall of the winding drum 18 in the mounting groove I19 above the filter plate 22, the poking plate 20 is fixedly connected to the outer wall of the traction rope II 21, the traction rope II 21 bypasses the pulleys in the two mounting grooves II 24 and is respectively wound on the rotating shaft 3 and the winding drum 18 below the filter plate 22, so that the rotating shaft 3 can rotate back and forth through the forward and reverse rotation of the servo motor 17, the traction rope II 21, the pulleys and the torsion spring, and the poking plate 20 can flap the arc-shaped plate 31 and the mounting column 32.

According to the invention, the cleaning plate 25 is fixedly connected to the outer wall of the top of the rotating shaft 3, and the plurality of cleaning brushes 26 are fixedly connected to the outer wall of the top of the cleaning plate 25 at equal intervals, so that the surface of the filter plate 22 can be cleaned through the cleaning brushes 26 in the process of back-and-forth rotation of the rotating shaft 3, and accumulation of solid impurities such as dust is avoided.

According to the invention, the inner wall of the bottom of the dust removing cavity 5 is fixedly connected with the cleaning frame 9, the outer walls of the two ends of the middle part of the cleaning frame 9 are fixedly connected with the fixing plates 13, the outer wall of the bottom of the rotating shaft 3 is rotatably connected with the outer wall of the top of the fixing plate 13, and the outer walls of the two sides of the fixing plate 13 are respectively and fixedly connected with the inner walls of the two sides of the cleaning frame 9 with the sliding rods 11.

According to the dust removing device, the inner walls of two ends of a cleaning frame 9 are connected with long-strip sliding blocks 7 in a sliding mode, the long-strip sliding blocks 7 are connected with sliding rods 11 in a sliding mode, cleaning brushes 14 are connected with the inner walls of the long-strip sliding blocks 7 in a sliding mode, fixed blocks 10 are fixedly connected to the outer walls of the tops of the long-strip sliding blocks 7, a first traction rope 12 is arranged between each fixed block 10 and a rotating shaft 3, and a garbage can is arranged on the outer wall of the bottom of a dust removing cavity 5, so that the long-strip sliding blocks 7 can move by winding the first traction ropes 12 in the rotating process of the rotating shaft 3, and the inner walls of the bottom of the dust removing cavity 5 can be cleaned by the cleaning brushes 14.

According to the invention, the connecting springs 8 are arranged between the two strip-shaped sliding blocks 7 and the inner wall of one side of the cleaning frame 9, the connecting springs 8 are sleeved on the outer wall of the sliding rod 11, the first electromagnet 15 is fixedly connected to the inner wall of the top of the strip-shaped sliding block 7, and the plurality of buffer springs 16 are arranged between the first electromagnet 15 and the cleaning brush 14, so that when the strip-shaped sliding block 7 is reset under the elastic force action of the buffer springs 16, the first electromagnet 15 is electrified to enable the cleaning brush 14 to move upwards and to be separated from contact with the inner wall of the bottom of the dust removing cavity 5, and dust is prevented from being swept in the opposite direction.

A dust removal method of a dust removal device for a corrugated paper printing machine comprises the following specific steps: before printing corrugated paper, carry the corrugated paper to the dust removal case 1 in through the driving roller, the roller is changeed in the clearance after that and is cleared up its surperficial dust, and dust absorption fan work will fly upward the dust and absorb to the dust removal pipeline 2 in this moment, then the dust is removed dust by filter 22 and is filtered, and the air current that is filtered the dust at last is discharged to the external world through dust removal pipeline 2's protection network 4.

The working principle is as follows: when the corrugated paper is dedusted, the dust-absorbing fan absorbs flying dust into the dedusting pipeline 2, the airflow containing the dust enters the dedusting cavity 5 along the dedusting pipeline 2, and then is filtered by solid impurity particles such as dust and the like by the filter plate 22, in the process that the airflow rises along the dedusting cavity 5, the airflow exerts an upward force on the arc-shaped plates 31 on the installation columns 32, so that the arc-shaped plates 31 drive the installation columns 32 to shake in the filtering holes 23 to move irregularly, and in the process that the installation columns 32 move upwards, the springs arranged between the first swinging plates 36 and the second swinging plates 37 and the springs arranged between the second swinging plates 37 and the installation columns 32 are extruded, so that the first swinging plates 36 enter the filtering holes 23, the edges and the inner walls of the filtering holes 23 are cleaned, and meanwhile, the electromagnets two 35 in the installation grooves three 29 are powered on and off in a reciprocating manner, through the mutually repulsive magnetic force, the lifting plate 30 reciprocates up and down, so that the second cleaning brush 38 on the first swinging plate 36 can deeply clean the inner wall of the filtering hole 23, the neatness of the inner wall of the filtering hole 23 is kept, and the filtering hole 23 is prevented from being blocked due to the fact that solid particle impurities such as dust are attached to the inner wall of the filtering hole, and the filtering efficiency is greatly influenced; when the surface of the filter plate 22 needs to be cleaned after long-time use, the servo motor 17 is started to intermittently rotate forward and backward, and meanwhile, the electromagnet II 35 is intermittently powered on and off; when the servo motor 17 positively transmits, the bobbin 18 at the top of the servo motor 17 starts to wind the traction rope II 21, the traction rope II 21 wound on the outer wall of the bobbin 18 above the rotating shaft 3 and the filter plate 22 is loosened, the torsion spring is subjected to tension to generate elasticity, at the moment, the poking plate 20 on the traction rope II 21 moves towards the mounting groove II 24 to beat the arc-shaped plate 31 and the mounting column 32, so that irregular movement of the mounting column 32 is more violent, the inner wall of the filter hole 23 is sufficiently cleaned, when the poking plate 20 moves to the mounting groove II 24, the positive transmission of the servo motor 17 is reversed, under the elasticity of the torsion spring, the traction rope II 21 is wound on the bobbin 18 on the filter plate 22, the poking plate 21 is reset at the same time to beat the arc-shaped plate 31 and the mounting column 32 again, the rotating shaft 3 rotates back and forth in a circulating reciprocating fit manner, so that the rotating shaft 3 drives the cleaning brushes I26 on the cleaning plate 25 to clean the surface of the filter plate 22, the solid impurities such as dust and the like attached to the surface of the filter plate are removed, the filter plate 22 does not need to be disassembled manually for cleaning, the operation is simple and convenient, and the working efficiency is greatly improved; in the process of cleaning the filter plate 22, when the rotating shaft 3 rotates back and forth along with the positive and negative rotation of the servo motor 17, when the servo motor 17 rotates positively, the rotating shaft 3 rotates positively to enable the first traction rope 12 on the outer wall of the lower end of the rotating shaft to be wound on the outer wall of the rotating shaft, so that the first traction rope 12 pulls the strip-shaped sliding block 7 to slide on the sliding rod 11 in the direction of the fixed plate 13 through the fixed block 10, at the moment, the connecting spring 8 is stretched, in the process, the cleaning brush 14 below the strip-shaped sliding block 7 can clean the dust on the inner wall of the bottom wall of the dust removal cavity 5 to enable the dust to fall into the garbage can, the situation that the dust is difficult to clean due to accumulation in the dust removal cavity 5 is avoided, when the servo motor 17 rotates reversely, under the elastic force of the connecting spring 8, the strip-shaped sliding block 7 can reset, meanwhile, the electromagnet 15 is electrified magnetic force is generated to attract the cleaning brush 14 on the inner wall of the strip-shaped sliding block 7 to move upwards and be separated from the contact with the inner wall of the bottom of the dust removal cavity 5, the dust is prevented from being swept in the reverse direction, so that the dust is accumulated at the corner position of the dust removing cavity 5, and the cleaning brush cannot be cleaned.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a corrugated paper is dust collector for printing machine, includes dust removal case (1), dust removal case (1) one side is inlayed and is had dust removal pipeline (2), and dust removal pipeline (2) inside divide into dust removal chamber (5) and dust absorption chamber (6), dust removal pipeline (2) top outer wall is equipped with protection network (4), dust absorption chamber (6) inner wall is equipped with the dust absorption fan, and dust removal chamber (5) inner wall fixedly connected with filter (22), the outer wall of filter (22) is opened has a plurality of filtration pore (23), its characterized in that, every filtration pore (23) both sides all are opened mounting groove three (29), and the inner wall of every mounting groove three (29) bottom all is equipped with electro-magnet two (35), every two mounting groove three (29) top sliding connection has sliding column (33), and sliding column (33) bottom outer wall fixedly connected with permanent magnet (28), and the magnetic force of permanent magnet (28) and the magnetic force that the second (35) of electro-magnet produced repel each other, be equipped with arc reed (34), per two between permanent magnet (28) and the second (35) of electro-magnet slide post (33) outer wall fixedly connected with is same lifter plate (30), and is connected with erection column (32) through the elasticity rope in every lifter plate (30) middle part, erection column (32) top outer wall fixedly connected with arc (31), and erection column (32) lower extreme outer wall articulates there are a plurality of swing board two (37), every swing board two (37) one end all articulates there is swing board one (36), and every swing board one (36) outer wall all is equipped with a plurality of cleaning brush two (38), every swing board one (36) and swing board two (37) and erection column (32) between all be equipped with the spring.

2. The dust removing device for the corrugated paper printing machine according to claim 1, wherein two mounting grooves I (19) and two mounting grooves II (24) are respectively formed on the upper side and the lower side of both sides of the filter plate (22), the bobbin (18) is rotatably connected to the inside of the two mounting grooves I (19), the pulley is arranged inside the two mounting grooves II (24), one end of the bobbin (18) inside the mounting groove I (19) above the filter plate (22) is connected with the inner wall of the top of the mounting groove I (19) through a torsion spring, and the servo motor (17) is arranged on the outer wall of the bottom of the bobbin (18) inside the mounting groove I (19) below the filter plate (22).

3. The dust removing device for the corrugated paper printing machine according to claim 2, wherein a positioning plate (27) is arranged below the filter plate (22), the rotating shaft (3) is rotatably connected to the middle of the positioning plate (27), a second traction rope (21) is wound on the outer wall of the bobbin (18) inside the first mounting groove (19) above the filter plate (22), the shifting plate (20) is fixedly connected to the outer wall of the second traction rope (21), and the second traction rope (21) bypasses pulleys in the second mounting grooves (24) and is respectively wound on the bobbin (18) below the rotating shaft (3) and the filter plate (22).

4. The dust removing device for the corrugated paper printing machine as claimed in claim 3, wherein a cleaning plate (25) is fixedly connected to the outer wall of the top of the rotating shaft (3), and a plurality of cleaning brushes (26) are fixedly connected to the outer wall of the top of the cleaning plate (25) at equal intervals.

5. The dust removing device for the corrugated paper printing machine according to claim 3, wherein the inner wall of the bottom of the dust removing cavity (5) is fixedly connected with the cleaning frame (9), the outer walls of the two ends of the middle part of the cleaning frame (9) are fixedly connected with the fixing plates (13), the outer wall of the bottom of the rotating shaft (3) is rotatably connected with the outer wall of the top of the fixing plate (13), and the outer walls of the two sides of the fixing plate (13) are respectively fixedly connected with the inner walls of the two sides of the cleaning frame (9) with the sliding rods (11).

6. The dust removal device for the corrugated paper printing machine as claimed in claim 5, wherein the inner walls of the two ends of the cleaning frame (9) are slidably connected with the long slider (7), the long slider (7) is slidably connected with the sliding rod (11), the inner walls of the long slider (7) are slidably connected with the cleaning brush (14), the outer walls of the tops of the long sliders (7) are fixedly connected with the fixed blocks (10), a first traction rope (12) is arranged between each fixed block (10) and the rotating shaft (3), and the outer wall of the bottom of the dust removal cavity (5) is provided with a garbage can.

7. The dust removing device for the corrugated paper printing machine according to claim 6, wherein a connecting spring (8) is arranged between each of the two elongated sliding blocks (7) and one side inner wall of the cleaning frame (9), the connecting spring (8) is sleeved on the outer wall of the sliding rod (11), the top inner wall of each elongated sliding block (7) is fixedly connected with a first electromagnet (15), and a plurality of buffer springs (16) are arranged between the first electromagnet (15) and the cleaning brush (14).

8. The dust removing method of the dust removing device for the corrugated paper printing machine according to any one of claims 1 to 7, characterized by comprising the following steps: before printing corrugated paper, carry the corrugated paper to dust removal case (1) in through the driving roller, the roller is changeed in the clearance after that and is cleared up its surperficial dust, and dust absorption fan work will fly upward the dust and absorb to dust removal pipeline (2) this moment in, then the dust is removed dust by filter (22) and is filtered, and the air current that is filtered the dust at last is discharged to the external world through protection network (4) of dust removal pipeline (2).