CN217347180U - Device for preventing paper of printing machine from being smeared - Google Patents
Device for preventing paper of printing machine from being smeared Download PDFInfo
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- CN217347180U CN217347180U CN202222072369.6U CN202222072369U CN217347180U CN 217347180 U CN217347180 U CN 217347180U CN 202222072369 U CN202222072369 U CN 202222072369U CN 217347180 U CN217347180 U CN 217347180U
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- paper
- brake roller
- guide rail
- air
- suction box
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Abstract
The utility model discloses a device for preventing smearing of paper of a printing machine, which comprises a lower guide rail, an upper guide rail, a brake roller bracket and a delivery gripper bar, wherein the delivery gripper bar is arranged between the lower guide rail and the upper guide rail, grippers are arranged on the delivery gripper bar, the delivery gripper bar grips the paper and moves between the lower guide rail and the upper guide rail, the brake roller bracket is arranged below the lower guide rail, a brake roller is arranged on the brake roller bracket, the right side of the brake roller is provided with an air suction box, the upper surface of the air suction box is provided with an air suction hole, a fixing strip is arranged below the brake roller, the fixing strip is arranged on the brake roller bracket, an air nozzle bracket is arranged on the air nozzle bracket, the air nozzle blows forward, an air cushion is formed between the falling paper and a paper pile, and the paper falls horizontally, the utility model has the advantages of simple structure, low reconstruction cost, obvious effect and stable falling of the paper, effectively eliminating the phenomenon of smearing after printing.
Description
Technical Field
The utility model relates to a dirty technical field is prevented smearing by the paper, specifically is a dirty device is prevented smearing by printing machine paper.
Background
When a high-speed sheet-fed printing machine prints large-area solid and large-size paper, particularly when the machine prints at high speed, a picture which is printed just now falls onto a paper pile of a paper receiving table under the condition of incomplete drying, and at the moment, a pattern is easily printed at a position which is about 200mm away from the back of a printed product, so that the printed product is scrapped in batches. In order to solve the printed matter and set off dirty problem, be equipped with on the printing machine and hold in the palm paper blast apparatus, press paper fan unit etc. but still be not enough to solve the printed matter completely and set off dirty problem. The existing device for preventing the paper of the printing machine from being smeared cannot meet the requirements in actual use, so that the improved technology is urgently needed in the market to solve the problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a printing machine paper prevents smearing dirty device, simple structure, the transformation is with low costs, and the effect is showing, makes the steady whereabouts of paper, and the mouth of blowing blows forward, forms the air cushion between paper and the pile of falling down, makes the paper level fall down to avoided back one to rub the picture that the flower was not totally dry out before and cause the printed matter quality problem, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dirty device is prevented smearing by printing machine paper, includes lower guideway, last guide rail, brake roller support and delivery tooth row, the delivery tooth row sets up between lower guideway and last guide rail, is provided with on the delivery tooth row and holds the paper, and the delivery tooth row is holding the paper and is moving between lower guideway and last guide rail, the brake roller support sets up from the below at the lower guideway, is provided with the brake roller on the brake roller support, and the right side of brake roller is provided with the suction box, and the upper surface of suction box is provided with the hole of induced drafting, the below of brake roller is provided with the fixed strip, and the fixed strip sets up on the brake roller support, is provided with the tuyere support on the fixed strip, is provided with the blowing nozzle on the tuyere support.
Furthermore, a paper pressing blowpipe is arranged above the lower guide rail and provided with uniformly distributed air holes.
Furthermore, the air suction box is provided with an air suction connecting pipe, and the right side of the upper surface of the air suction box is provided with a downward inclined structure.
Furthermore, the left side of the brake roller bracket is provided with a front paper aligning device.
Furthermore, the air blowing nozzle adopts a flat nozzle structure, the air blowing nozzle blows air forwards, an air cushion is formed between the falling paper and the paper stack, the paper horizontally falls, and therefore the problem of quality of printed products caused by that the latter rubs the previous picture which is not completely dried through is avoided.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses on set up the case that induced drafts, produce decurrent suction through the case that induced drafts, cooperation brake roller makes the paper lower part produce the negative pressure, prevents the one end perk of paper, produces decurrent wind through pressing the paper blowing pipe, even effect is on the paper, it is steady to make the paper in the in-process gesture of whereabouts, preceding neat paper makes the paper pile on the collection platform keep neat, the blowing nozzle blows forward, form the air cushion between paper and the paper pile that falls down, makes the paper level fall down to avoided back one to rub the picture that the flower is not totally dry thoroughly before the flower and cause the printed matter quality problem, the utility model discloses simple structure, the transformation cost is low, the effect is showing, makes the steady whereabouts of paper, the effectual dirty phenomenon of beating the flower of eliminating behind the printed matter.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the structure schematic diagram of the air suction box of the utility model.
In the figure: the paper pressing device comprises a front paper aligning device 1, a lower guide rail device 2, an upper guide rail device 3, a paper pressing blowing pipe 4, a paper holding tooth 5, a brake roller 7, an air suction box 8, a blowing nozzle 9, a blowing nozzle support 10, a fixing strip 11, a brake roller support 12, a paper collecting tooth row 13, an air suction connecting pipe 14 and an air suction hole 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a device for preventing paper of a printing machine from being smeared comprises a lower guide rail 2, an upper guide rail 3, a brake roller bracket 12 and a delivery gripper bar 13, wherein the delivery gripper bar 13 is arranged between the lower guide rail 2 and the upper guide rail 3, a paper holding tooth 5 is arranged on the delivery gripper bar 13, the delivery gripper bar 13 holds paper to move between the lower guide rail 2 and the upper guide rail 3, a paper pressing blowpipe 4 is arranged above the lower guide rail 2, the paper pressing blowpipe 4 is provided with uniformly distributed air holes, downward wind is generated through the paper pressing blowpipe 4 and uniformly acts on the paper to ensure that the posture of the paper is stable in the falling process, the brake roller bracket 12 is arranged below the lower guide rail 2, a brake roller 7 is arranged on the brake roller bracket 12, an air suction box 8 is arranged on the right side of the brake roller 7, an air suction hole 15 is arranged on the upper surface of the air suction box 8, downward suction is generated through the air suction box 8, and the lower part of the paper generates negative pressure by matching with the brake roller 7, one end of the paper is prevented from tilting, an air suction connecting pipe 14 is arranged on the air suction box 8, the right side of the upper surface of the air suction box 8 is arranged to be of a downward inclined structure, a fixing strip 11 is arranged below the brake roller 7, the fixing strip 11 is arranged on a brake roller bracket 12, an air nozzle bracket 10 is arranged on the fixing strip 11, an air blowing nozzle 9 is arranged on the air nozzle bracket 10, the air blowing nozzle 9 adopts a flat nozzle structure, and the air blowing nozzle 9 blows forward, form the air cushion between whereabouts paper and paper heap, make the paper level fall down to avoided the back one to rub the picture that the flower is preceding not totally dry and cause the printed matter quality problem, the left side of brake roller support 12 is provided with preceding neat paper 1, and preceding neat paper 1 makes the paper heap on the delivery bench keep neat, the utility model discloses simple structure reforms transform with low costsly, and the effect is showing, makes the steady whereabouts of paper, and the effectual back phenomenon of rubbing of beating the flower of eliminating the printed matter.
The working principle is as follows: before the paper is sent to the front paper aligning 1 by the grippers 5, the paper must be decelerated so as to stably fall on the paper pile table, at the moment, the rotating speed of the brake roller 7 is lower than the forward moving speed of the paper, the lower part of the paper generates negative pressure under the common suction action of the brake roller 7 and the air box 8, simultaneously, a row of downward blowing paper pressing blowpipes 4 above the paper are matched, a backward pulling force is generated on the paper under the combined action of the three, the tail does not float when the paper head falls, the paper keeps a stable posture and falls, in addition, due to the high-speed operation of the printing machine, in order to prevent large-format paper from bending and falling before reaching the front paper aligning 1 and rubbing the picture of the previous paper, at the moment, a row of air blowing nozzles 9 are additionally arranged below the brake roller, when the paper releasing head is opened by the grippers 5 and falls, the air blowing nozzles 9 blow forward, an air cushion is formed between the lower paper and the paper pile, the paper is horizontally dropped, so that the problem of quality of printed products caused by rubbing the picture which is not completely dried before the pattern is rubbed by the next picture is solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a set-off is prevented to printing machine paper, includes lower rail (2), upper rail (3), brake roller support (12) and delivery gripper (13), its characterized in that: delivery tooth row (13) set up between lower guideway (2) and last guide rail (3), are provided with on delivery tooth row (13) and hold in the hands tooth (5), and delivery tooth row (13) are holding in the hands paper and are moving between lower guideway (2) and last guide rail (3), brake roller support (12) set up in the below of lower guideway (2), are provided with brake roller (7) on brake roller support (12), and the right side of brake roller (7) is provided with suction box (8), and the upper surface of suction box (8) is provided with induced draft hole (15), the below of brake roller (7) is provided with fixed strip (11), and fixed strip (11) set up on brake roller support (12), are provided with tuyere support (10) on fixed strip (11), are provided with blowing nozzle (9) on tuyere support (10).
2. A printer paper set-off prevention device as claimed in claim 1, wherein: the upper portion of the lower guide rail (2) is provided with a paper pressing blowpipe (4), and the paper pressing blowpipe (4) is provided with uniformly distributed air holes.
3. A set-off prevention device for a sheet of printing press according to claim 1, characterized in that: the air suction box (8) is provided with an air suction connecting pipe (14), and the right side of the upper surface of the air suction box (8) is of a downward inclined structure.
4. A printer paper set-off prevention device as claimed in claim 1, wherein: the left side of the brake roller bracket (12) is provided with a front paper aligning device (1).
5. A printer paper set-off prevention device as claimed in claim 1, wherein: the air blowing nozzle (9) adopts a flat nozzle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222072369.6U CN217347180U (en) | 2022-08-08 | 2022-08-08 | Device for preventing paper of printing machine from being smeared |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222072369.6U CN217347180U (en) | 2022-08-08 | 2022-08-08 | Device for preventing paper of printing machine from being smeared |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217347180U true CN217347180U (en) | 2022-09-02 |
Family
ID=83039372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222072369.6U Active CN217347180U (en) | 2022-08-08 | 2022-08-08 | Device for preventing paper of printing machine from being smeared |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217347180U (en) |
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2022
- 2022-08-08 CN CN202222072369.6U patent/CN217347180U/en active Active
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