CN216579730U - Paper Dust Removal Device for Rotary Printing Press - Google Patents

Abstract

The present application relates to a paper powder removing device for a rotary printing press, in particular to the field of rotary printing presses. Passing through the powder removing assembly and the printing color assembly, the powder removing assembly includes a brush and a collecting member, the brush is arranged on the frame along the width direction of the paper roll, and the bristles of the brush are respectively connected with The upper surface and the lower surface of the roll paper are in contact with each other, the collection piece includes a drainage groove and a collection box, the drainage groove is arranged on the frame, the collection box is arranged on the frame, and It is located at one end of the drainage groove away from the roll paper, and is used for collecting paper powder. The present application can reduce the influence of paper powder on printing quality.

Description

Paper Dust Removal Device for Rotary Printing Press

technical field

The present application relates to the field of rotary printing presses, and in particular, to a paper powder removing device for rotary printing presses.

Background technique

A web press is a printing press in which the image to be printed is bent around a cylinder. You can print on a variety of substrates, including paper, cardboard, and plastic. Rotary printing presses are mainly divided into three types, namely offset printing, rotogravure printing and flexographic printing.

In the related art, the rotary printing machine includes a frame, a roll paper, a paper guide roller, a deviation correction roller, a printing color component and a brush, the paper guide roller and the deviation correction roller are all arranged on the frame, and the roll paper is sleeved on the paper guide. On the roller, the printing color component includes a blanket cylinder and an impression cylinder. Both the blanket cylinder and the impression cylinder are rotatably arranged on the frame, and the blanket cylinder is located above the impression cylinder. The roll paper, the brush is set between the deviation correction roller and the printing color assembly, which is used to brush the paper powder on the paper.

In view of the above-mentioned related art, the inventor believes that the upward side of the roll paper is not turned over during the conveying process and is always at the upper end, and the paper powder on the upper surface after passing through the brush still remains on the roll paper. When the roll paper passes through the blanket cylinder, the paper powder adheres to the blanket cylinder, which affects the printing quality.

Utility model content

In order to reduce the influence of paper dust on printing quality, the present application provides a paper dust removal device for a rotary printing press.

The paper powder removal device of a rotary printing press provided by the application adopts the following technical scheme:

A paper powder removing device for a rotary printing press includes a frame and a powder removing assembly, the powder removing assembly is arranged on the frame, and the roll paper passes through the powder removing assembly and the printing color assembly in sequence, and the The powder assembly includes a brush and a collection piece, the brush is arranged on the frame along the width direction of the roll paper, and the brush is located on both sides of the roll paper, and the bristles of the brush are respectively connected with the bristles of the roll paper. The upper surface and the lower surface of the roll paper are in contact with each other, the collection piece includes a drainage groove and a collection box, the drainage groove is arranged on the frame and is located on the upper surface of the roll paper, and the drainage Both ends of the slot are open, and one end of the drainage slot is open to contact the upper surface of the roll paper. The grooves are arranged obliquely from low to high from the end close to the roll paper to the end away from the roll paper, the drainage groove is arranged towards the direction of the roll paper moving, the collection box is arranged on the frame, And it is located at one end of the drainage groove away from the roll paper, and is used for collecting paper powder.

By adopting the above technical solution, when the rotary printing press is working, the web of paper moves, and during the movement of the web of paper, the brushes brush the upper and lower surfaces of the paper, and the residual paper powder on the upper surface of the web is removed from the paper. The lower end of the drainage trough opens into the drainage trough, and after the drainage of the drainage trough, it enters the collection box for collection, and then the roll paper is printed by the printing color component. The designed frame and powder removal components reduce the paper powder on the upper and lower surfaces of the roll paper by brushing the powder on the roll paper, and then cooperate with the function of collecting paper powder in the drainage groove and the collection box, thereby reducing the paper powder The impact on the printing quality, thereby improving the printing quality.

Optionally, the collection box is detachably connected to the rack.

By adopting the above technical solution, the designed collection box is detachably connected to the frame, which helps to take out the collection box and facilitates cleaning of the paper powder in the collection box, and improves the practicability of the whole device.

Optionally, protrusions are provided on both sides of the collection box along its own height direction, and two sides of the rack are provided with chute corresponding to the protrusions, and the chute is provided along the height direction of the rack, The protruding block is slidably clamped in the chute.

By adopting the above technical solution, when the collecting box is full of paper powder, the operator pulls the collecting box along the height direction of the frame, and during the drawing process, the bumps slide in the chute. The designed bumps and chutes help improve the stability of the collection box in the rack and reduce the possibility of the collection box tipping over.

Optionally, a lifting member is provided at the bottom of the collection box, the lifting member is arranged on the frame, the driving direction of the lifting member is set along the height direction of the frame, and the top of the lifting member is connected to the frame. The bottom of the collection box abuts.

By adopting the above technical solution, when the collection box is full of paper powder, the operator opens the lifting member, so that the lifting member drives the collection box upward until the operator can take the collection box out of the frame. The designed lifting parts help the operator to extract the collection box more conveniently and improve the automation of the whole device.

Optionally, a suction assembly is further included, the suction assembly is disposed on the frame, and the suction assembly is disposed behind the powder removing assembly along the moving direction of the roll paper.

By adopting the above technical solutions, the designed suction assembly reduces the possibility of residual paper powder on the upper surface of the roll paper and improves the printing quality.

Optionally, the suction assembly includes an adapter, a plurality of suction pipes, a powder box and a suction part, the adapter is arranged on the frame along the width direction of the roll paper, and the plurality of suction pipes are arranged along the width of the web. The length direction of the adapter is arranged at intervals, and the suction pipe is connected with the adapter, the end of the suction pipe away from the adapter is located above the roll paper, the powder box is connected with the adapter, the The suction part is connected with the powder box, and the connection is provided with a dust-proof sponge.

By adopting the above technical solution, the operator adjusts the suction member so that both the powder box and the suction pipe are in a negative pressure state, so that the suction pipe sucks the residual paper powder on the upper surface of the roll paper, and then the sucked paper powder is collected in the powder box , the dust-proof sponge reduces the possibility of paper dust entering the suction part. The designed suction assembly sucks the paper powder on the paper roll into the powder box through the suction tube and the adapter, and reduces the possibility of residual paper powder on the upper surface of the roll paper roll, thereby improving the printing quality.

Optionally, the powder box includes a box body and a box body, an inner cavity of the box body is provided, the box body is slidably arranged in the box body, and the box body can be pulled out of the box body.

By adopting the above technical solution, when the box body is filled with paper powder, the operator pulls out the box body from the box body, then cleans the paper powder in the box body, and then re-installs the cleaned box body in the box body. The designed powder box, through the mutual cooperation of the box body and the box body, enables the paper powder collected in the box body to be cleaned in time, thereby improving the practicability of the entire device.

Optionally, the frame is provided with baffles, and the baffles are arranged on both sides of the end of the suction pipe away from the adapter, and are used for restricting the movement of the roll paper along the height direction of the frame.

By adopting the above technical solution, the designed baffle helps to reduce the possibility of the roll paper moving upward along the height direction of the frame due to the suction effect of the suction member, thereby reducing the possibility of damage to the roll paper. Helps protect the web and indirectly improves printing efficiency.

To sum up, the present application includes at least one of the following beneficial technical effects:

1. The designed frame and powder removal components reduce the paper powder on the upper and lower surfaces of the roll paper by brushing the powder on the roll paper, and then cooperate with the drainage groove and the collection box to collect paper powder. The influence of paper powder on the printing quality, thereby improving the printing quality;

2. The designed suction component sucks through the suction part, so that the paper powder on the reel enters the powder box through the straw and the adapter, reducing the possibility of residual paper powder on the upper surface of the reel, thereby improving the printing quality. ;

3. The designed baffle helps to reduce the possibility of the roll paper moving upward along the height direction of the frame due to the suction effect of the suction part, thereby reducing the possibility of damage to the roll paper and helping to protect the roll Roll paper, indirectly improve printing efficiency.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a paper powder removing device of a rotary printing press according to an embodiment of the present application.

FIG. 2 is a schematic diagram of the internal structure of the paper powder removing device of the rotary printing press in FIG. 1 .

FIG. 3 is an enlarged view of a part of the structure of A in FIG. 2 .

Description of reference numerals: 1. Rack; 11. Chute; 12. Baffle plate; 2. Powder removing assembly; 21. Brush; 22. Collection piece; 221, Drainage groove; ; 23, support plate; 3, suction assembly; 31, adapter; 32, suction pipe; 33, powder box; 331, box body; 332, box body; 34, suction part; 35, first conduit; 4, Roll paper; 5. Lifting parts; 6. Printing color components.

Detailed ways

The present application will be further described in detail below in conjunction with accompanying drawings 1-3.

The embodiment of the present application discloses a paper powder removing device for a rotary printing press. Referring to FIG. 1 and FIG. 2 , the paper powder removing device for a rotary printing press includes a frame 1 , a powder removing component 2 and a suction component 3 . The powder removing component 2 and the suction assembly 3 are arranged on the rack 1 .

2 and 3, the powder removing assembly 2 includes two brushes 21 and a collecting member 22. The brushes 21 are welded on the frame 1 along the width direction of the paper roll 4, and the bristles of the two brushes 21 are arranged opposite to each other. On both sides of the paper moving track of the roll paper 4, the bristles of the two brushes 21 are in contact with the upper and lower surfaces of the roll paper 4 respectively; the collecting part 22 includes a drainage groove 221 and a collecting box 222, and the drainage groove 221 is welded to the frame 1. and the opening of the drainage groove 221 is in contact with the upper surface of the paper of the roll paper 4, the length of the opening of the drainage groove 221 is not less than the width of the paper of the roll paper 4, and the drainage groove 221 is away from the roll from the end of the paper close to the roll paper 4 Paper 4 One end of the paper is inclined from low to high; the top of the collection box 222 is open, and the two side walls of the collection box 222 along its width direction are welded with bumps 223, and the inner side wall of the rack 1 is provided with a chute corresponding to the bumps 223 11. The chute 11 is arranged along the height direction of the rack 1, and the top of the chute 11 is aligned with the top of the rack 1. When the collection box 222 is installed in the chute 11, the opening of the collection box 222 is located in the drainage slot 221 away from the roll paper 4 One end of the opening is under the opening; a support plate 23 is provided under the collection box 222, and the support plate 23 is located under the roll paper 4, the support plate 23 is welded on the frame 1 along the width direction of the frame 1, and the two sides of the support plate 23 are welded. There is a lifting member 5 , the driving direction of the lifting member 5 is arranged along the height direction of the rack 1 , and the driving end of the lifting member 5 is in contact with the bottom of the collection box 222 . In this embodiment, the lifting member 5 adopts an air cylinder. In other embodiments, the lifting member 5 can also adopt an electric telescopic rod, which can drive the collection box 222 to rise or fall.

2 and 3, the suction assembly 3 includes an adapter 31, a plurality of suction pipes 32, a powder box 33 and a suction part 34. The adapter 31 is welded on the frame 1 along the width direction of the frame 1, and the plurality of suction pipes 32 is connected to the adapter 31 at intervals along the length direction of the adapter 31, the suction pipe 32 is connected to the adapter 31 through the flange, the suction pipe 32 is arranged on the adapter 31 along the height direction of the frame 1, and the bottom opening of the suction pipe 32 is connected to the roll. The distance between the upper surfaces of the paper rolls 4 is 1 cm; the powder box 33 includes a box body 331 and a box body 332, the inner cavity of the box body 331 is provided, and the box body 332 is slidably clamped to the box body 331 along the length direction of the box body 331. Inside, the size of the box body 332 is adapted to the inner cavity of the box body 331, the powder box 33 is placed on one side of the rack 1, and the box body 331 is communicated with the adapter 31 through the first conduit 35, and the suction member 34 is connected with the second conduit through the second conduit. The box body 331 is in communication, and a dust-proof sponge is clamped at the connection between the second conduit and the box body 331 , and the dust-proof sponge is not shown in the figure. In this embodiment, the suction member 34 adopts a suction pump.

In order to reduce the fluctuation of the paper roll 4 due to the suction of the suction pump, referring to FIGS. 2 and 3 , a baffle 12 is welded on the frame 1, and the baffle 12 is arranged along the width direction of the frame 1, and The baffles 12 are located above the roll paper 4 , and the baffles 12 are arranged on both sides of the bottom opening of the suction pipe 32 .

The implementation principle of the paper dust removing device of the rotary printing press in the embodiment of the present application is as follows: when printing is required, the rotary printing press is turned on, the web 4 is transported in the rotary printing press, and the brush 21 moves relative to the web 4, so that the The brush 21 can remove the paper powder on the upper surface and the lower surface of the roll paper 4. As the roll paper 4 continues to move, the paper powder on the upper surface of the roll paper 4 is drained by the drainage groove 221, so that the paper powder is drained. It is collected in the collection box 222, and at the same time, the suction member 34 is turned on. The suction member 34 cooperates with the powder box 33, the adapter 31 and the suction tube 32 to further suction the paper powder remaining on the upper surface of the roll paper 4, reducing the number of rolls. The paper dust on the paper 4, the processed web 4 is finally printed by the printing color unit 6.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (8)

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.

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