CN216579730U

CN216579730U - Paper powder removing device of rotary printing machine

Info

Publication number: CN216579730U
Application number: CN202122910375.XU
Authority: CN
Inventors: 宋至生; 董亮亮; 董亮红; 聂峰建
Original assignee: Wuhan Rongsheng Rotary Printing Co ltd
Current assignee: Wuhan Rongsheng Rotary Printing Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-24
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to a paper powder clearing device of rotary press especially relates to rotary press's field, and it includes frame and gumming subassembly, the gumming subassembly sets up in the frame, and the roll web paper passes through in proper order gumming subassembly and printing colour subassembly, the gumming subassembly includes the brush and collects the piece, the brush sets up along roll web paper width direction in the frame, the brush hair of brush respectively with the equal butt of upper surface and the lower surface of roll web paper, collect the piece including drainage groove and collection box, the drainage groove sets up in the frame, it sets up to collect the box in the frame, and be located the one end of roll web paper is kept away from in the drainage groove for collect the paper powder. This application can reduce the influence of paper powder to printing quality.

Description

Paper powder removing device of rotary printing machine

Technical Field

The application relates to the field of rotary printing machines, in particular to a paper powder removing device of a rotary printing machine.

Background

A rotary press is a press in which the image to be printed is bent around a cylinder. Printing can be performed on a variety of substrates, including paper, paperboard, and plastic. Rotary printing presses are largely divided into three types, offset printing, rotogravure printing and flexographic printing, respectively.

Among the correlation technique, rotary press includes the frame, the roll web, the paper guide rod, rectify the roller, printing colour subassembly and brush, the paper guide rod all sets up in the frame with rectifying the roller, the roll web cover is established on the paper guide rod, printing colour subassembly includes blanket cylinder and impression cylinder, blanket cylinder and impression cylinder all rotate the setting in the frame, and blanket cylinder is located impression cylinder top, just in time can be through the roll web paper of waiting to print between blanket cylinder and the impression cylinder, the brush setting is rectifying between roller and the printing colour subassembly, a paper powder for brushing off on the paper.

In view of the above-mentioned related technologies, the inventor believes that the face of the web facing upward is not turned over during the transportation process and is always at the upper end, paper dust on the upper surface remains on the web face after passing through the brush, and the paper dust adheres to the blanket cylinder when the web passes through the blanket cylinder, which affects the printing quality.

SUMMERY OF THE UTILITY MODEL

In order to reduce the influence of paper powder to printing quality, this application provides a paper powder clearing device of rotary press.

The application provides a paper powder clearing device of rotary press adopts following technical scheme:

the paper powder removing device of the rotary printing machine comprises a frame and a powder removing assembly, wherein the powder removing assembly is arranged on the frame, web paper sequentially passes through the powder removing assembly and a printing color assembly, the powder removing assembly comprises a brush and a collecting piece, the brush is arranged on the frame along the width direction of the web paper, the brush is positioned on two sides of the web paper, brush bristles of the brush are respectively abutted to the upper surface and the lower surface of the web paper, the collecting piece comprises a drainage groove and a collecting box, the drainage groove is arranged on the frame and positioned on the upper surface of the web paper, two ends of the drainage groove are respectively opened, one end of the drainage groove is abutted to the upper surface of the web paper, the opening length of one end of the drainage groove abutted to the web paper is matched with the width of the web paper, the drainage groove is inclined from low to high from one end close to the web paper to one end far away from the web paper, the direction setting that the drainage groove removed towards roll web paper, it is in to collect the box setting in the frame, and be located the drainage groove is kept away from the one end of roll web paper for collect the paper powder.

Through adopting above-mentioned technical scheme, rotary press during operation, the roll web paper removes, and the roll web paper is at the in-process that removes, and the brush carries out the brush dust to the upper and lower two surfaces of paper, and the remaining paper dust of roll web upper surface gets into the drainage inslot from the lower one end opening of drainage groove, and through the effect of drainage groove drainage, the box is collected in getting into, and later the roll web paper is printed by printing the look subassembly. The frame of design and gumming subassembly through the brush whitewashed effect of brush to the roll web, cooperate the drainage groove again and collect the effect of the collection paper powder of box to reduce the paper powder of roll web upper and lower surface, thereby reduce the influence of paper powder to printing quality, and then promote printing quality.

Optionally, the collecting box is detachably connected with the frame.

Through adopting above-mentioned technical scheme, the collection box of design can be dismantled with the frame and be connected, helps taking out the collection box and is convenient for clear up the paper powder in the collection box, promotes the practicality of whole device.

Optionally, the collecting box is provided with a convex block along two sides of the collecting box in the height direction, the two sides of the rack correspond to the convex block and are provided with sliding grooves, the sliding grooves are arranged in the height direction of the rack, and the convex block is connected in a sliding manner in the sliding grooves.

Through adopting above-mentioned technical scheme, after collecting full paper powder in collecting the box, operating personnel will collect the box and take out along the direction of height of frame, at the in-process of taking out, the lug slides in the spout. The designed convex block and the designed sliding groove are beneficial to improving the stability of the collecting box in the rack and reducing the possibility of side turning of the collecting box.

Optionally, a lifting piece is arranged at the bottom of the collecting box, the lifting piece is arranged on the rack, the driving direction of the lifting piece is arranged along the height direction of the rack, and the top of the lifting piece is abutted to the bottom of the collecting box.

Through adopting above-mentioned technical scheme, after collecting full paper powder in the collection box, operating personnel opens the lifting member for the lifting member drives and collects the box and upwards rises until operating personnel can take out the collection box from the frame. The lifting piece of design helps the more convenient extraction of operating personnel to collect the box, promotes the automation of whole device.

Optionally, the paper dust removing device further comprises a suction assembly, wherein the suction assembly is arranged on the machine frame, and the suction assembly is arranged behind the powder removing assembly along the moving direction of the rolled paper.

Through adopting above-mentioned technical scheme, the suction assembly of design reduces the possibility that the paper powder was remained to the roll paper upper surface, promotes printing quality.

Optionally, the suction subassembly includes adapter, many straws, powder case and suction piece, the adapter sets up along roll web width direction in the frame, many the straw is followed the length direction interval of adapter sets up, just the straw with the adapter all communicates, the straw is kept away from the one end of adapter is located roll web paper top, the powder case with the adapter is connected, suction piece with the powder case is connected, and the junction is equipped with dustproof sponge.

Through adopting above-mentioned technical scheme, operating personnel adjusts the suction piece for be negative pressure state in powder case and the straw, thereby the straw inhales the paper powder of remaining of roll web upper surface, and then is collected in the powder case by inspiratory paper powder, and dustproof sponge reduces the possibility that paper powder gets into in the suction piece. The suction subassembly of design is through the suction of suction spare for the paper powder on the roll paper section of thick bamboo gets into the powder incasement through straw and adapter, reduces the possibility that the paper powder was remained to the roll paper section of thick bamboo upper surface, and then promotes printing quality.

Optionally, the powder box includes box and box body, the inside cavity of box sets up, the box body slides and sets up in the box, just the box body can be taken out from the box.

By adopting the technical scheme, after the box body is filled with the paper powder, an operator draws the box body out of the box body, then cleans the paper powder in the box body, and then reinstalls the cleaned box body in the box body. The powder case of design through mutually supporting of box and box body for the paper powder of collecting in the box body can in time be cleared up, improves the practicality of whole device.

Optionally, a baffle is arranged on the rack, the baffle is arranged on two sides of one end of the adapter, far away from the suction pipe, and is used for limiting the movement of the web paper along the height direction of the rack.

Through adopting above-mentioned technical scheme, the baffle of design helps reducing the roll paper because of the suction effect of suction member and the possibility of the direction of height of frame rebound to reduce the possibility that the roll paper damaged, help protecting the roll paper, improve printing efficiency indirectly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the designed rack and the powder removing component reduce the paper powder on the upper surface and the lower surface of the roll paper through the powder brushing effect of the hairbrush on the roll paper and the paper powder collecting effect of the drainage groove and the collecting box, so that the influence of the paper powder on the printing quality is reduced, and the printing quality is improved;

2. the designed suction component sucks the paper powder on the roll paper through the suction piece, so that the paper powder on the roll paper enters the powder box through the suction pipe and the adapter, the possibility of paper powder residue on the upper surface of the roll paper is reduced, and the printing quality is improved;

3. the designed baffle is beneficial to reducing the possibility that the roll paper moves upwards along the height direction of the frame due to the suction effect of the suction member, thereby reducing the possibility that the roll paper is damaged, protecting the roll paper and indirectly improving the printing efficiency.

Drawings

Fig. 1 is a schematic view of the overall configuration of a paper dust removing apparatus of a rotary printing press according to an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the paper dust removing apparatus of the rotary press of fig. 1.

Fig. 3 is an enlarged view of a portion of a structure in fig. 2.

Description of reference numerals: 1. a frame; 11. a chute; 12. a baffle plate; 2. a dusting component; 21. a brush; 22. a collecting member; 221. a drainage groove; 222. a collection box; 223. a bump; 23. a support plate; 3. a suction assembly; 31. an adapter; 32. a straw; 33. powder box; 331. a box body; 332. a box body; 34. a suction member; 35. a first conduit; 4. a web; 5. a lifting member; 6. and a printing color component.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses ground paper clearing device of rotary press, referring to fig. 1 and 2, rotary press's ground paper clearing device includes frame 1, gumming subassembly 2 and suction module 3, and gumming subassembly 2 and suction module 3 all set up in frame 1.

Referring to fig. 2 and 3, the dusting assembly 2 comprises two brushes 21 and a collecting member 22, the brushes 21 are welded on the frame 1 along the width direction of the paper 4, the bristles of the two brushes 21 are oppositely arranged at two sides of the moving track of the paper 4, and the bristles of the two brushes 21 are respectively abutted against the upper surface and the lower surface of the paper 4; the collecting part 22 comprises a drainage groove 221 and a collecting box 222, the drainage groove 221 is welded on the rack 1, an opening at one end of the drainage groove 221 is abutted to the upper surface of the paper roll 4, the opening length of the drainage groove 221 is not smaller than the width of the paper roll 4, and the drainage groove 221 is obliquely arranged from one end close to the paper roll 4 to one end far away from the paper roll 4 from low to high; the top of the collecting box 222 is provided with an opening, the collecting box 222 is welded with convex blocks 223 along two side walls in the width direction of the collecting box 222, a sliding groove 11 is formed in the inner side wall of the rack 1 corresponding to the convex blocks 223, the sliding groove 11 is arranged along the height direction of the rack 1, the top of the sliding groove 11 is aligned with the top of the rack 1, and when the collecting box 222 is installed in the sliding groove 11, the opening of the collecting box 222 is positioned below an opening at one end, far away from the roll paper 4, of the drainage groove 221; the supporting plate 23 is arranged below the collecting box 222, the supporting plate 23 is located below the roll paper 4, the supporting plate 23 is welded on the rack 1 along the width direction of the rack 1, the lifting pieces 5 are welded on two sides of the supporting plate 23, the driving direction of the lifting pieces 5 is arranged along the height direction of the rack 1, and the driving ends of the lifting pieces 5 are abutted to the bottom of the collecting box 222. In this embodiment, the lifting member 5 is a cylinder, and in other embodiments, the lifting member 5 may also be an electric telescopic rod, and any one of the lifting member and the electric telescopic rod may be capable of driving the collecting box 222 to ascend or descend.

Referring to fig. 2 and 3, the suction assembly 3 includes an adapter 31, a plurality of suction pipes 32, a powder box 33 and a suction piece 34, the adapter 31 is welded on the frame 1 along the width direction of the frame 1, the plurality of suction pipes 32 are connected to the adapter 31 at intervals along the length direction of the adapter 31, the suction pipes 32 are connected with the adapter 31 through flanges, the suction pipes 32 are arranged on the adapter 31 along the height direction of the frame 1, and the distance between the bottom opening of the suction pipe 32 and the upper surface of the paper of the roll paper 4 is 1 cm; powder case 33 includes box 331 and box 332, the inside cavity setting of box 331, box 332 slides along the length direction of box 331 and connects in box 331, box 332 size and the adaptation of box 331 inner chamber, powder case 33 is placed in frame 1 one side, and box 331 communicates through first pipe 35 and adapter 31, suction piece 34 communicates with box 331 through the second pipe, and the second pipe is connected with box 331 junction joint has dustproof sponge, dustproof sponge is not shown in the figure. In the present embodiment, the suction member 34 employs a suction pump.

In order to reduce the fluctuation of the paper sheet 4 caused by the suction of the suction pump, referring to fig. 2 and 3, a baffle 12 is welded on the frame 1, the baffle 12 is arranged along the width direction of the frame 1, the baffle 12 is positioned above the paper sheet 4, and the baffle 12 is arranged at the two sides of the bottom opening of the suction pipe 32.

The implementation principle of the paper dust removing device of the rotary printing machine in the embodiment of the application is as follows: when printing is needed, the rotary printing machine is started, the web 4 is conveyed in the rotary printing machine, the hairbrush 21 and the web 4 move relatively, the hairbrush 21 can remove paper dust on the upper surface and the lower surface of the web 4, the paper dust on the upper surface of the web 4 is drained through the drainage groove 221 along with the continuous movement of the web 4, the paper dust is collected in the collection box 222, meanwhile, the suction piece 34 is started, the suction piece 34 is matched with the dust box 33, the adapter 31 and the suction pipe 32 to further suck the residual paper dust on the upper surface of the web 4, the paper dust on the web 4 is reduced, and the processed web 4 is finally printed through the printing color assembly 6.

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

Claims

1. A paper powder removing device of a rotary printing machine is characterized in that: including frame (1) and gumming subassembly (2), gumming subassembly (2) sets up in frame (1), and web (4) paper passes through in proper order gumming subassembly (2) and printing look subassembly (6), gumming subassembly (2) includes brush (21) and collection piece (22), brush (21) set up in frame (1) along web (4) paper width direction, just brush (21) are located the both sides of web (4) paper, the brush hair of brush (21) respectively with the equal butt of upper surface and the lower surface of web (4) paper, collect piece (22) including drainage groove (221) and collection box (222), drainage groove (221) set up in frame (1), and be located the upper surface of web (4) paper, the equal open-ended setting in drainage groove (221) both ends, drainage groove (221) one end opening and web (4) paper upper surface butt, drainage groove (221) and the open length and the roll web (4) paper width adaptation of roll web (4) paper butt one end, drainage groove (221) are from the one end that is close to roll web (4) paper to the one end of keeping away from roll web (4) paper by low to high slope setting, drainage groove (221) set up towards the direction of roll web (4) paper removal, it is in to collect box (222) setting frame (1) is last, and is located the one end that roll web (4) paper was kept away from in drainage groove (221) is used for collecting the paper powder.

2. The paper dust removing device for a rotary printing press according to claim 1, wherein: the collecting box (222) is detachably connected with the rack (1).

3. The paper dust removing device for a rotary printing press according to claim 2, wherein: collect box (222) and be equipped with lug (223) along the ascending both sides of self direction of height, frame (1) both sides correspond lug (223) are equipped with spout (11), spout (11) are followed frame (1) direction of height sets up, lug (223) slip joint is in spout (11).

4. A paper dust removing device for a rotary printing press according to claim 3, wherein: collect box (222) bottom and be equipped with lift piece (5), lift piece (5) set up on frame (1), the drive direction of lift piece (5) is followed frame (1) direction of height sets up, just lift piece (5) top with collect box (222) bottom butt.

5. The paper dust removing device for a rotary printing press according to claim 1, wherein: the paper dust removing machine further comprises a suction assembly (3), wherein the suction assembly (3) is arranged on the machine frame (1), and the suction assembly (3) is arranged behind the powder removing assembly (2) along the paper moving direction of the roll paper (4).

6. The paper dust removing device for a rotary printing press according to claim 5, wherein: suction assembly (3) include adapter (31), many straw (32), powder case (33) and suction piece (34), web (4) width direction sets up is followed in adapter (31) in frame (1), many straw (32) are followed the length direction interval of adapter (31) sets up, just straw (32) with adapter (31) all communicates, straw (32) are kept away from the one end of adapter (31) is located web (4) paper top, powder case (33) with adapter (31) are connected, suction piece (34) with powder case (33) are connected, and the junction is equipped with dustproof sponge.

7. The paper dust removing device for a rotary printing press according to claim 6, wherein: the powder box (33) comprises a box body (331) and a box body (332), wherein a cavity is formed in the box body (331), the box body (332) is arranged in the box body (331) in a sliding mode, and the box body (332) can be drawn out of the box body (331).

8. The paper dust removing device for a rotary printing press according to claim 6, wherein: be equipped with baffle (12) on frame (1), baffle (12) set up straw (32) are kept away from the both sides of adapter (31) one end for restriction roll paper (4) paper is followed the direction of height of frame (1) removes.