CN109109455A - A kind of dust-extraction unit of printing machine - Google Patents
A kind of dust-extraction unit of printing machine Download PDFInfo
- Publication number
- CN109109455A CN109109455A CN201810961278.3A CN201810961278A CN109109455A CN 109109455 A CN109109455 A CN 109109455A CN 201810961278 A CN201810961278 A CN 201810961278A CN 109109455 A CN109109455 A CN 109109455A
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- China
- Prior art keywords
- cleaning roller
- dust
- roller
- ring
- connection strap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/002—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of dust-extraction units of printing machine, are related to printing technology, due to when the dust in certain region on paper is more, existing cleaning roller can only sticky removing surface layer dust, cause dust removing effects bad.This programme includes rack, and conveyer belt and roller frame are equipped in rack, preceding cleaning roller and rear cleaning roller are rotatably connected in roller frame；Preceding cleaning roller and rear cleaning roller are in that preceding suction hole and rear suction hole are had on hollow setting and peripheral wall, and rack side is equipped with vacuum elements；Ring is compressed before being cased with several on the peripheral wall of preceding cleaning roller, compresses ring after several are cased on the peripheral wall of rear cleaning roller；Before compress ring and after compress ring perpendicular to conveying tape feeding direction plane in projection there is no be overlapped.I.e. this programme can then absorb the dust on surface layer instead of dedusting is pasted using absorption dedusting incessantly, paste dedusting compared to cleaning roller, efficiency of dust collection is higher.
Description
Technical field
The present invention relates to printing technologies, and in particular to a kind of dust-extraction unit of printing machine.
Background technique
Printing machine is one printing slurries such as ink are coated in text and pattern by printing plate on the stocks such as paper
Kind tool.Currently, when the enterprising row text of paper or pattern print, since certain dust can be floated in the air of workshop,
Then paper surface to be printed would generally be attached with a certain amount of dust, this part dust, will be to print in ink printing process
Brush quality causes adverse effect.
And more dust-extraction unit is used at present, adsorb the dust on paper mainly by cleaning roller, cleaning roller is by dust
It is transferred on the dust paper roll that can successively remove, completes dedusting work.But if the dust in certain block region is saved bit by bit excessively on paper,
That is the thickness of the region dust is larger, then the dust that cleaning roller is capable of sticky removing is only limited to the upper surface of dust, still there is a large amount of dusts
It is the be unable to sticky removing of cleaning roller, it is bad finally will lead to dust removing effects.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of dust-extraction unit of printing machine, use
Be to absorb dedusting instead of dedusting is pasted can then absorb the dust on surface layer incessantly, paste dedusting, dedusting compared to cleaning roller
It is more efficient.
To achieve the above object, the present invention provides the following technical scheme that a kind of dust-extraction unit of printing machine, including machine
Frame is equipped with conveyer belt in the rack, and is connected with roller frame in rack, and preceding dedusting disposed in parallel is rotatably connected in roller frame
Roller and rear cleaning roller, preceding cleaning roller and rear cleaning roller are respectively positioned on above conveyer belt, and the axis of preceding cleaning roller is perpendicular to conveyer belt
Conveying direction；Driving assembly for driving preceding cleaning roller and rear cleaning roller to rotate is installed in roller frame；Preceding cleaning roller is with after
Cleaning roller is in that preceding suction hole and rear suction hole are had on hollow setting and peripheral wall, and rack side is equipped with for preceding dedusting
The vacuum elements of air-breathing are carried out inside roller and inside rear cleaning roller；Fixing sleeve is equipped with several and is used to incite somebody to action on the peripheral wall of preceding cleaning roller
Paper abutting before compresses ring on the conveyor belt；Fixing sleeve is equipped with several for paper to be pushed against on the peripheral wall of cleaning roller afterwards
Ring is compressed after on conveyer belt；Before compress ring and after compress ring perpendicular to conveying tape feeding direction plane in projection do not deposit
It is being overlapped.
By using above-mentioned technical proposal, paper is successively by the process below preceding cleaning roller with after below cleaning roller
In, it is preceding compress ring and after compress ring can be used for by paper push against on the conveyor belt.Above-mentioned setting so that paper in dust suction, paper
Remain to relatively stable movement on the conveyor belt.The dust on paper will be distinguished by preceding suction hole and rear suction hole simultaneously
In the preceding cleaning roller of inspiration and rear cleaning roller, and finally siphoned away by vacuum elements.
Due to preceding compress ring and after compress ring perpendicular to conveying tape feeding direction plane in projection there is no be overlapped,
The then mode of preceding cleaning roller and the combination dedusting of rear cleaning roller can be such that dedusting range covers under the premise of keeping paper steadily to convey
The entire upper surface of lid paper, and since this programme using dedusting is absorbed instead of dedusting is pasted can then absorb table incessantly
The dust of layer, pastes dedusting compared to cleaning roller, efficiency of dust collection is higher.
The further setting of the present invention are as follows: the vacuum elements include air-breathing main pipe, the pumping that is mounted in air-breathing main pipe
It pumps, the preceding inspiratory limbs for connecting preceding cleaning roller inside and air-breathing main pipe, be used for cleaning roller inside and air-breathing main pipe after connection
Rear inspiratory limbs；It is fixed with preceding connection strap and rear connection strap in roller frame, is opened respectively inside preceding connection strap inside and rear connection strap
Have along respective axial preceding ventilating duct and rear air duct, preceding ventilating duct and rear air duct have connected preceding branch vent respectively and led to afterwards
Wind branch pipe, and preceding branch vent and rear venting branch pipe are connected with air-breathing main pipe；Several alignments are installed on preceding connection strap
In the preceding suction nozzle for preceding compressing ring, and preceding suction nozzle is connected to preceding ventilating duct；Several are installed afterwards to compress in alignment with after on connection strap
The rear suction nozzle of ring, and rear suction nozzle is connected to rear air duct.
By using above-mentioned technical proposal, during rotation, a part of dust may be sticked for preceding cleaning roller and rear cleaning roller
Preceding compress ring and after compress on ring periphery wall, and preceding suction nozzle and rear suction nozzle can respectively to preceding compress ring and after compress ring and inhale
Dirt processing, with compress before reducing ring and after compress dust bond amount on ring, compressed before can finally reducing ring and after compress ring
The probability of the dust secondary pollution paper of bonding.
The further setting of the present invention are as follows: the preceding connection strap be located at preceding cleaning roller meet conveyer belt conveying side, after connect
Narrow bars are located at the side that rear cleaning roller meets conveyer belt conveying.
By using above-mentioned technical proposal, since preceding suction nozzle and rear suction nozzle are during dust suction, under suction, part
Although dust departing from preceding compress ring or after compress ring, fail to reach in preceding suction nozzle or rear suction nozzle, then this part dust will be fallen
It returns on paper.And preceding connection strap is set to preceding cleaning roller and meets the side of conveyer belt conveying, and is removed after rear connection strap is set to
The purpose that dirt roller meets the side of conveyer belt conveying is, so that the dust dropped back on paper meets the one of conveyer belt conveying in preceding cleaning roller
Side or rear cleaning roller meet the side of conveyer belt conveying, so that this part dust be enable to be inhaled again by preceding cleaning roller or rear cleaning roller
It removes.
The further setting of the present invention are as follows: tablet is scraped before being fixed with one piece on the preceding connection strap, it is preceding to scrape tablet a side
Be contacted with the peripheral wall that ring is compressed before several, and before scrape tablet and be located at below preceding suction nozzle；It is scraped after being fixed with one piece on connection strap afterwards
Tablet, after scrape tablet a side and be contacted with the peripheral wall for compressing ring before several, and after scrape tablet and be located at below rear suction nozzle.
By using above-mentioned technical proposal, during the rotation of preceding cleaning roller, sticks and preceding compressing ring periphery and not by preceding suction
The dust that head is absorbed can preceding be scraped tablet and be struck off, and product can then be sucked on the upside of preceding scraper piece by preceding suction nozzle.Similarly, rear
The dust that tablet strikes off is scraped, can also be absorbed by rear suction nozzle.
The further setting of the present invention are as follows: be equipped in the preceding cleaning roller for above and below being separated into inside preceding cleaning roller two
The preceding demarcation plate of a cavity, preceding demarcation plate are respectively and fixedly provided with along the both ends of preceding cleaning roller axial direction for before dedusting roll end before closing
End plate, front end-plate are fixedly connected with roller frame, and preceding inspiratory limbs are connected into the cavity inside preceding cleaning roller on the lower；
It is equipped in cleaning roller afterwards for the rear demarcation plate of upper and lower two cavitys will to be separated into inside rear cleaning roller, rear demarcation plate is after
The both ends of cleaning roller axial direction are respectively and fixedly provided with the end plate for dedusting roll end after closing, and end plate is fixedly connected with roller frame, after
Inspiratory limbs are connected into the cavity inside rear cleaning roller on the lower.
By using above-mentioned technical proposal, preceding inspiratory limbs are in pumping process, due to the preceding suction of the preceding cleaning roller upper half
Stomata air-breathing upward can not then play the role of absorbing the dust on paper；And it is horizontally disposed always by being equipped with one piece
Preceding demarcation plate will be separated into space up and down inside preceding cleaning roller, then cleaning roller lower half before preceding inspiratory limbs can act on always
The preceding suction hole in portion improves gettering efficiency to reduce energy consumption.Similarly, demarcation plate can also reduce energy consumption after setting, improve air-breathing
Efficiency.
The further setting of the present invention are as follows: be folded with preceding sealing strip between the preceding demarcation plate and the inner wall of preceding cleaning roller；
Rear sealing strip is folded between demarcation plate and the inner wall of rear cleaning roller afterwards.
By using above-mentioned technical proposal, preceding sealing strip is used to improve the leakproofness between two cavitys of preceding cleaning roller or more,
To reduce energy consumption.Leakproofness after sealing strip is used to improve afterwards above and below cleaning roller between two cavitys, to reduce energy consumption.
The further setting of the present invention are as follows: the lifters for driving roller frame to go up and down are equipped in the rack.
By using above-mentioned technical proposal, lifters can adjust the vertical spacing of preceding cleaning roller, rear cleaning roller and conveyer belt,
To make the dust-extraction unit be suitable for the dedusting of different-thickness paper.
The further setting of the present invention are as follows: the section of the preceding suction hole and rear suction hole is in horn-like, preceding suction hole
Aperture far from preceding dedusting roll axis one end is greater than preceding suction hole by the aperture of nearby cleaning roller axis one end；Suction hole is separate afterwards
The aperture of dedusting roll axis one end is greater than rear suction hole close to the aperture of rear dedusting roll axis one end afterwards.
By using above-mentioned technical proposal, the suction range of suction hole before expanding, the dust removal ability of suction hole before improving.
The invention has the following advantages that
1, this programme can then absorb the dust on surface layer, compared to dedusting instead of dedusting is pasted using absorption dedusting incessantly
Roller pastes dedusting, and efficiency of dust collection is higher；
2, this programme can reduce energy consumption, improve gettering efficiency by being equipped with preceding demarcation plate and rear demarcation plate.
Detailed description of the invention
Fig. 1 is the present embodiment structural schematic diagram；
Fig. 2 is the present embodiment top view；
Fig. 3 is the schematic diagram of part-structure in Fig. 1, shows the connection relationship of driving assembly Yu preceding cleaning roller and rear cleaning roller；
Fig. 4 is the schematic diagram of part-structure in also Fig. 1, shows the connection relationship of vacuum elements Yu preceding cleaning roller and rear cleaning roller；
Fig. 5 is the diagrammatic cross-section in Fig. 2 at A-A；
Fig. 6 is the enlarged diagram in Fig. 5 at B, the structure before showing inside cleaning roller；
Fig. 7 is the structural schematic diagram of each component on preceding demarcation plate in Fig. 6；
Fig. 8 is the enlarged diagram in Fig. 5 at C, shows the structure inside rear cleaning roller；
Fig. 9 is the structural schematic diagram of each component on rear demarcation plate in Fig. 8.
Appended drawing reference: 1, rack；11, roller frame；12, lifters；13, conveyer belt；131, carriage；14, vacuum elements；
15, aspiration pump；16, air-breathing main pipe；161, preceding inspiratory limbs；162, preceding branch vent；163, rear inspiratory limbs；164, rear venting
Branch pipe；17, disposal box；2, preceding cleaning roller；21, preceding suction hole；22, preceding to compress ring；23, preceding demarcation plate；231, preceding sealing strip；
24, front end-plate；25, fore bearing；26, preceding fixed link；27, preceding connection strap；271, preceding to scrape tablet；28, preceding ventilating duct；29, preceding suction
Head；3, rear cleaning roller；31, rear suction hole；32, ring is compressed after；33, rear demarcation plate；331, rear sealing strip；34, end plate；35,
Rear bearing；36, rear fixed link；37, rear connection strap；371, tablet is scraped after；38, rear air duct；39, rear suction nozzle；4, driving assembly；
41, driven gear；42, driving gear；43, driving motor.
Specific embodiment
Clear, complete description is carried out to technical solution of the present invention below with reference to attached drawing, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, this field is common
Technical staff's obtained all other embodiment without making creative work belongs to the present invention and is protected
Range.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third ", " the 4th " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to attached drawing, the present invention will be further described.
A kind of dust-extraction unit of printing machine is equipped with conveyer belt 13 with reference to Fig. 1 and Fig. 2, including rack 1 in rack 1, defeated
Band 13 is sent to be mounted on carriage 131.It is also connected with roller frame 11 in rack 1, is equipped in rack 1 for driving roller frame 11 to go up and down
Lifters 12, lifters 12 be cylinder.Preceding cleaning roller 2 and rear cleaning roller 3 disposed in parallel are rotatably connected in roller frame 11, it is preceding
Cleaning roller 2 and rear cleaning roller 3 are respectively positioned on 13 top of conveyer belt, and the axis of preceding cleaning roller 2 is perpendicular to the conveying side of conveyer belt 13
To preceding cleaning roller 2 is located at rear cleaning roller 3 and meets 13 conveying direction side of conveyer belt.
With reference to Fig. 1 and Fig. 2, two groups of driving assemblies 4 are installed, before two groups of driving assemblies 4 are respectively used to driving in roller frame 11
Cleaning roller 2 and rear cleaning roller 3 rotate, and are respectively connected with bearing between preceding cleaning roller 2, rear cleaning roller 3 and roller frame 11 and (do not show in figure
Out).
With reference to Fig. 1 and Fig. 2, preceding cleaning roller 2 and rear cleaning roller 3 are in hollow setting, and preceding air-breathing is had on peripheral wall
Hole 21 and rear suction hole 31,1 side of rack are equipped with vacuum elements 14, and vacuum elements 14 are used to remove preceding 2 inside of cleaning roller with after
Air-breathing is carried out inside dirt roller 3.Then paper is under the transport of conveyer belt 13, when preceding 3 lower section of cleaning roller with after of cleaning roller 2, paper
Dust on can be sucked into preceding cleaning roller 2 and in rear cleaning roller 3 by preceding suction hole 21 and rear suction hole 31.
With reference to Fig. 1 and Fig. 2, fixing sleeve compresses ring 22 before being equipped with several on the peripheral wall of preceding cleaning roller 2, preceding to compress the use of ring 22
In paper is pushed against on conveyer belt 13, then during dust suction, paper remain to it is relatively stable moved on conveyer belt 13, and
It is unlikely to before being adsorbed on always on cleaning roller 2.Fixing sleeve compresses ring 32 after being equipped with several on the peripheral wall of cleaning roller 3 afterwards, supports afterwards
Pressure ring 32 is used to paper being pushed against conveyer belt 13, similarly, during dust suction, ring 32 is compressed after to the pressure of paper
System, paper remain to it is relatively stable moved on conveyer belt 13, and before being unlikely to be adsorbed on always on cleaning roller 2.
Ring 22 is compressed with reference to Fig. 1 and Fig. 2, before several along the axial equidistant arrangement of preceding cleaning roller 2, compress ring after several
32 also along the axial equidistant arrangement of rear cleaning roller 3, and before compress ring 22 and after compress ring 32 and conveyed perpendicular to conveyer belt 13
There is no be overlapped for projection in the plane in direction.The purpose of above-mentioned setting is, preceding cleaning roller 2 can be to compressing between ring 22 before each
Gap carry out dust suction, to sop up the dust in the corresponding each region on paper of this portion void；Then cleaning roller 3 can be right
The part paper areas that preceding cleaning roller 2 fails to handle is dusted, thus by the combination of preceding cleaning roller 2 and rear cleaning roller 3
Dedusting can carry out complete dust removal process to paper.
With reference to Fig. 3 and Fig. 4, driving assembly 4 includes the driving motor 43 being fixedly mounted in roller frame 11 and driving motor 43
The driven gear 41 of output shaft connected driving gear 42, fixing sleeve on preceding 2 peripheral wall of cleaning roller and on 3 peripheral wall of rear cleaning roller,
Driven gear 41 is meshed with driving gear 42.By be equipped with driving assembly 4, then paper by below preceding cleaning roller 2 and after
When 3 lower section of cleaning roller, it is preceding compress ring 22 and after compress ring 32 certain driving force can be provided to paper so that paper can be more
For smoothly by below.And if being not provided with driving assembly 4, ring 22 is compressed before cannot actively rotating compresses ring with after
32 can bring the frictional force for hindering it to advance to paper, and paper may finally be caused not convey normally.
With reference to Fig. 3 and Fig. 4, vacuum elements 14 include disposal box 17, one end connect into disposal box 17 air-breathing main pipe 16,
Aspiration pump 15, preceding inspiratory limbs 161, the rear inspiratory limbs 163 being mounted in air-breathing main pipe 16.Preceding 161 one end of inspiratory limbs connects
Lead into inside preceding cleaning roller 2, the other end is connected to the peripheral wall of air-breathing main pipe 16；163 one end of inspiratory limbs is connected into rear dedusting afterwards
Inside roller 3, the other end is also connected to the peripheral wall of air-breathing main pipe 16.Then aspiration pump 15 can by preceding cleaning roller 2 dust and after
Dust in cleaning roller 3 is together in inspiration disposal box 17, to reduce secondary pollution.
With reference to Fig. 6 and Fig. 7, the section of preceding suction hole 21 be in it is horn-like, preceding suction hole 21 is far from preceding 2 axis one of cleaning roller
The aperture at end is greater than preceding suction hole 21 by the aperture of nearby 2 axis one end of cleaning roller.The purpose of above-mentioned setting is air-breathing before expanding
The suction range in hole 21, the dust removal ability of suction hole 21 before improving.Demarcation plate 23 before being equipped with one piece in preceding cleaning roller 2, preceding separation
Plate 23 hangs down for will be separated into two cavitys up and down, preceding demarcation plate 23 inside preceding cleaning roller 2 along the axial both ends of preceding cleaning roller 2
It directly is fixed with one piece of front end-plate 24, and is connected with fore bearing 25, front axle between 2 end of the periphery wall of front end-plate 24 and preceding cleaning roller
25 are held as sealing bearing.I.e. front end-plate 24 can be used for closing preceding 2 end of cleaning roller.
With reference to Fig. 6 and Fig. 7, a preceding fixed link 26, preceding fixed link 26 and roller are fixedly connected on 24 lateral wall of front end-plate
Frame 11 is fixedly connected with (see figure 4), then during preceding cleaning roller 2 rotates, preceding demarcation plate 23 is able to maintain motionless.And preceding air-breathing branch
Pipe 161 is connected into the cavity inside preceding cleaning roller 2 on the lower.Then the purpose of above-mentioned setting is: preceding inspiratory limbs 161 had been evacuated
Cheng Zhong can not then play the work for absorbing the dust on paper due to the air-breathing upward of preceding suction hole 21 of preceding 2 upper half of cleaning roller
With；And by being equipped with one piece of preceding demarcation plate 23 horizontally disposed always, space up and down will be separated into inside preceding cleaning roller 2, then
The preceding suction hole 21 of 2 lower half of cleaning roller before preceding inspiratory limbs 161 can act on always improves air-breathing effect to reduce energy consumption
Rate.
With reference to Fig. 6 and Fig. 7, sealing strip 231 before being folded between preceding demarcation plate 23 and the inner wall of preceding cleaning roller 2, preceding sealing
Leakproofness before item 231 is used to improve between about 2 two cavity of cleaning roller, to reduce energy consumption.
With reference to Fig. 6 and Fig. 7, connection strap 27 before being fixed in roller frame 11, preceding connection strap 27 is located at preceding cleaning roller 2 and meets conveyer belt
The side of 13 conveyings.The preceding ventilating duct 28 being axially arranged along it is provided with inside preceding connection strap 27, preceding 28 one end of ventilating duct has connected
Preceding branch vent 162(is shown in Fig. 4), and preceding branch vent 162 is connected (see figure 4) with preceding inspiratory limbs 161.On preceding connection strap 27
Several are installed and sees Fig. 4 in alignment with the preceding suction nozzle 29(for compressing ring 22 before correspondence), and preceding suction nozzle 29 is connected to preceding ventilating duct 28.
It then partially sticks before the dust for preceding compressing 22 periphery of ring can be sucked by preceding suction nozzle 29 in ventilating duct 28, and is ultimately conducted to disposal box
17(is shown in Fig. 4) in.
With reference to Fig. 6 and Fig. 7, tablet 271 is scraped before being fixed with one piece on preceding connection strap 27, it is preceding to scrape the contact of 271 a side of tablet
Compress the peripheral wall of ring 22 before several, and before scrape tablet 271 and be located at preceding 29 lower section of suction nozzle.The then process that preceding cleaning roller 2 rotates
In, tablet 271 can preceding be scraped in the dust for preceding compressing 22 periphery of ring by, which sticking, strikes off, and product is preceding scraping 271 upside of tablet, then can quilt
Preceding suction nozzle 29 sucks.
With reference to Fig. 8 and Fig. 9, the section of rear suction hole 31 be in it is horn-like, rear suction hole 31 is far from rear 3 axis one of cleaning roller
The aperture at end is greater than rear suction hole 31 close to the aperture of rear 3 axis one end of cleaning roller.The purpose of above-mentioned setting is air-breathing after expansion
The suction range in hole 31, the dust removal ability of suction hole 31 after raising.Demarcation plate 33 after being equipped with one piece in cleaning roller 3 afterwards, it is rear to separate
Plate 33 hangs down for will be separated into two cavitys up and down, rear demarcation plate 33 inside rear cleaning roller 3 along the axial both ends of rear cleaning roller 3
It directly is fixed with one piece of end plate 34, and is connected with rear bearing 35, rear axle between 3 end of the periphery wall of end plate 34 and rear cleaning roller
35 are held as sealing bearing.I.e. end plate 34 can be used for 3 end of cleaning roller after closing.
With reference to Fig. 8 and Fig. 9, fixed link 36 after being fixedly connected with one on 34 lateral wall of end plate, rear fixed link 36 and roller
Frame 11 is fixedly connected with (see figure 4), then during rear cleaning roller 3 rotates, rear demarcation plate 33 is able to maintain motionless.And rear air-breathing branch
Pipe 163 is connected into the cavity inside rear cleaning roller 3 on the lower.Then the purpose of above-mentioned setting is: rear inspiratory limbs 163 had been evacuated
Cheng Zhong can not then play the work for absorbing the dust on paper due to the air-breathing upward of rear suction hole 31 of rear 3 upper half of cleaning roller
With；And by being equipped with one piece of rear demarcation plate 33 horizontally disposed always, space up and down will be separated into inside rear cleaning roller 3, then
Inspiratory limbs 163 can act on the rear suction hole 31 of rear 3 lower half of cleaning roller always afterwards, to reduce energy consumption, improve air-breathing effect
Rate.
With reference to Fig. 8 and Fig. 9, rear sealing strip 331 is folded between rear demarcation plate 33 and the inner wall of rear cleaning roller 3, it is rear to seal
Leakproofness after item 331 is used to improve between about 3 two cavity of cleaning roller, to reduce energy consumption.
With reference to Fig. 8 and Fig. 9, rear connection strap 37 is fixed in roller frame 11, rear connection strap 37 is located at rear cleaning roller 3 and meets conveyer belt
The side of 13 conveyings.The rear air duct 38 being axially arranged along it is provided with inside connection strap 37 afterwards, 38 one end of rear air duct has connected
Rear venting branch pipe 164(is shown in Fig. 4), and rear venting branch pipe 164 is connected (see figure 4) with rear inspiratory limbs 163.Afterwards on connection strap 37
Several are installed and sees Fig. 4 in alignment with the rear suction nozzle 39(for compressing ring 32 after correspondence), and rear suction nozzle 39 is connected to rear air duct 38.
It then partially sticks and compresses the dust of 32 periphery of ring after and can be sucked in rear air duct 38 by rear suction nozzle 39, and be ultimately conducted to disposal box
17(is shown in Fig. 4) in.
With reference to Fig. 8 and Fig. 9, scrape tablet 371 after being fixed with one piece on rear connection strap 37, after scrape 371 a side of tablet contact
Compress the peripheral wall of ring 32 after several, and after scrape tablet 371 and be located at rear 39 lower section of suction nozzle.The process that cleaning roller 3 rotates after then
In, it sticks and compresses the dust of 32 periphery of ring after and can scrape tablet 371 by after and strike off, and product scrapes 371 upside of tablet after, it then can quilt
Suction nozzle 39 sucks afterwards.
Be embodied principle: paper successively by below preceding cleaning roller 2 and after below cleaning roller 3 during, it is preceding to support
Pressure ring 22 compresses ring 32 with after and can be used to for paper to be pushed against conveyer belt 13.Above-mentioned setting so that paper in dust suction, paper
It remains to relatively stable move on conveyer belt 13.Simultaneously the dust on paper will by preceding suction hole 21 and rear suction hole 31,
Distinguished in the preceding cleaning roller 2 of inspiration and rear cleaning roller 3, and is finally conveyed into disposal box 17.
Due to preceding compress ring 22 and after compress projection of the ring 32 in the plane perpendicular to 13 conveying direction of conveyer belt and do not deposit
It is being overlapped, then preceding cleaning roller 2 and rear cleaning roller 3 combine the mode of dedusting, can make to remove under the premise of keeping paper steadily to convey
Dirt range covers the entire upper surface of paper, and since this programme is using dedusting is absorbed, instead of dedusting is pasted, then incessantly
The dust that surface layer can be absorbed pastes dedusting compared to cleaning roller, and efficiency of dust collection is higher.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of dust-extraction unit of printing machine, including rack (1), it is characterized in that: being equipped with conveyer belt in the rack (1)
(13), and rack (1) in be connected with roller frame (11), be rotatably connected in roller frame (11) preceding cleaning roller (2) disposed in parallel and after
Cleaning roller (3), preceding cleaning roller (2) and rear cleaning roller (3) are respectively positioned on above conveyer belt (13), and the axis of preceding cleaning roller (2) hangs down
Directly in the conveying direction of conveyer belt (13)；It is equipped in roller frame (11) for driving preceding cleaning roller (2) and rear cleaning roller (3) to rotate
Driving assembly (4)；Preceding cleaning roller (2) and rear cleaning roller (3) are in have preceding suction hole on hollow setting and peripheral wall
(21) it is equipped with rear suction hole (31), rack (1) side for being carried out to preceding cleaning roller (2) is internal with inside rear cleaning roller (3)
The vacuum elements (14) of air-breathing；Fixing sleeve is equipped with several and is used to paper being pushed against conveyer belt on the peripheral wall of preceding cleaning roller (2)
(13) ring (22) are compressed before on；Fixing sleeve is equipped with several for paper to be pushed against conveying on the peripheral wall of cleaning roller (3) afterwards
Ring (32) are compressed after on band (13)；Before compress ring (22) and after compress ring (32) perpendicular to conveyer belt (13) conveying direction
There is no be overlapped for projection in plane.
2. the dust-extraction unit of a kind of printing machine according to claim 1, it is characterized in that: the vacuum elements (14) include inhaling
Gas main pipe (16), the aspiration pump (15) being mounted on air-breathing main pipe (16), for connecting, preceding cleaning roller (2) is internal and air-breathing main pipe
(16) preceding inspiratory limbs (161), for the internal rear inspiratory limbs (163) with air-breathing main pipe (16) of cleaning roller (3) after connect；
Preceding connection strap (27) and rear connection strap (37) are fixed in roller frame (11), preceding connection strap (27) is internal and rear connection strap (37) are internal
It has along respective axial preceding ventilating duct (28) and rear air duct (38), preceding ventilating duct (28) and rear air duct (38) are respectively
Connected preceding branch vent (162) and rear venting branch pipe (164), and preceding branch vent (162) and rear venting branch pipe (164) with
Air-breathing main pipe (16) is connected；Several are installed in alignment with the preceding suction nozzle (29) for preceding compressing ring (22) on preceding connection strap (27),
And preceding suction nozzle (29) is connected to preceding ventilating duct (28)；Several are installed on connection strap (37) afterwards and compresses ring (32) in alignment with after
Suction nozzle (39) afterwards, and rear suction nozzle (39) is connected to rear air duct (38).
3. the dust-extraction unit of a kind of printing machine according to claim 2, it is characterized in that: before the preceding connection strap (27) is located at
Cleaning roller (2) meets the side of conveyer belt (13) conveying, and rear connection strap (37) is located at rear cleaning roller (3) and meets conveyer belt (13) conveying
Side.
4. the dust-extraction unit of a kind of printing machine according to claim 3, it is characterized in that: fixed on the preceding connection strap (27)
Scraped before having one piece tablet (271), preceding tablet (271) a side of scraping is contacted with the peripheral wall that ring (22) are compressed before several, and before scrape
Tablet (271) is located at below preceding suction nozzle (29)；Scrape tablet (371) after being fixed with one piece on connection strap (37) afterwards, after scrape tablet
(371) a side is contacted with the peripheral wall that ring (22) are compressed before several, and after scrape tablet (371) and be located at below rear suction nozzle (39).
5. the dust-extraction unit of a kind of printing machine according to claim 2, it is characterized in that: being equipped in the preceding cleaning roller (2)
For will be separated into the preceding demarcation plate (23) of upper and lower two cavitys inside preceding cleaning roller (2), preceding demarcation plate (23) is along preceding cleaning roller
(2) axial both ends are respectively and fixedly provided with the front end-plate (24) for closing preceding cleaning roller (2) end, front end-plate (24) and roller frame (11)
It is fixedly connected, preceding inspiratory limbs (161) are connected into the internal cavity on the lower of preceding cleaning roller (2)；
It is equipped in cleaning roller (3) afterwards for the rear demarcation plate (33) of upper and lower two cavitys will to be separated into inside rear cleaning roller (3), after
Demarcation plate (33) is respectively and fixedly provided with the end plate (34) for cleaning roller (3) end after closing along the both ends of rear cleaning roller (3) axial direction,
End plate (34) is fixedly connected with roller frame (11), and rear inspiratory limbs (163) are connected into the internal cavity on the lower of rear cleaning roller (3)
It is interior.
6. a kind of dust-extraction unit of printing machine according to claim 5, it is characterized in that: the preceding demarcation plate (23) with preceding remove
Preceding sealing strip (231) are folded between the inner wall of dirt roller (2)；Sandwiched between demarcation plate (33) and the inner wall of rear cleaning roller (3) afterwards
There are rear sealing strip (331).
7. the dust-extraction unit of a kind of printing machine according to claim 1, it is characterized in that: being installed in the rack (1) useful
In the lifters (12) of driving roller frame (11) lifting.
8. the dust-extraction unit of a kind of printing machine according to claim 1, it is characterized in that: the preceding suction hole (21) and rear suction
The section of stomata (31) be in it is horn-like, preceding suction hole (21) far from preceding cleaning roller (2) axis one end aperture be greater than preceding air-breathing
Aperture of the hole (21) by nearby cleaning roller (2) axis one end；Aperture of the suction hole (31) far from rear cleaning roller (3) axis one end afterwards
Greater than rear suction hole (31) close to the aperture of rear cleaning roller (3) axis one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961278.3A CN109109455B (en) | 2018-08-22 | 2018-08-22 | Dust collector of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961278.3A CN109109455B (en) | 2018-08-22 | 2018-08-22 | Dust collector of printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109109455A true CN109109455A (en) | 2019-01-01 |
| CN109109455B CN109109455B (en) | 2020-05-19 |
Family
ID=64860033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961278.3A Active CN109109455B (en) | 2018-08-22 | 2018-08-22 | Dust collector of printing machine |
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| Country | Link |
|---|---|
| CN (1) | CN109109455B (en) |
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| CN111409359A (en) * | 2020-04-28 | 2020-07-14 | 孙婷婷 | Printing equipment for packing with automatic dust removal function |
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|---|---|
| CN109109455B (en) | 2020-05-19 |
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