CN209758582U

CN209758582U - Feeder assembly of sheet offset press

Info

Publication number: CN209758582U
Application number: CN201920440963.1U
Authority: CN
Inventors: 曾军
Original assignee: Mountain Printing (wuxi) Co Ltd
Current assignee: Mountain Printing (wuxi) Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2019-12-10
Anticipated expiration: 2029-04-02

Abstract

The utility model relates to a sheet offset press field discloses flying of sheet offset press and reaching subassembly, including inhaling the paper ware, inhale a plurality of suction heads are installed to paper ware bottom, and the suction head can reciprocate inhaling paper ware direction of height, inhales paper ware bottom still level and is provided with the flat board, is provided with a plurality of openings that are used for the suction head to pass on the flat board, and the flat board can be dismantled the connection through the support and inhale the paper ware, and the sucking disc mouth when dull and stereotyped bottom surface and suction head are located the highest point that rises is kept level. The technical problem solved is that in the prior art, the sheet offset press using the traditional paper suction device can not smoothly convey paper because the suction head of the sheet offset press can cause the paper to be wavy when lifting the paper with the gram weight of less than 40 g, so that the sheet offset press can not print the paper with the gram weight of less than 40 g, and the application range of the sheet offset press is limited. Because the flat plate is horizontally arranged at the bottom of the paper sucker, the application range of the flat offset press is expanded, and the flat offset press can print paper with the gram weight of less than 40 grams.

Description

feeder assembly of sheet offset press

Technical Field

The utility model relates to a sheet offset press field, concretely relates to flying of sheet offset press reaches subassembly.

Background

The feeder is a paper feeding part on a flat offset press and carries out paper conveying by means of aerodynamic force. CN1016768B discloses a paper sucker with lifting suction heads, which mainly comprises lifting suction heads, the lifting suction heads are installed to move up and down in the height direction of the paper sucker, each lifting suction head has a guiding part, a guiding cylinder which can move axially, stretch and be guided is arranged on the guiding part, a horizontal pipe is fixed on the guiding cylinder, at least two suction nozzles which cross the paper conveying direction, are close to each other and are connected to the double suction heads are arranged on the horizontal pipe, the two suction nozzles are communicated with each other through the horizontal pipe, and the horizontal pipe and the guiding cylinder form a compact t-shaped suction cavity.

The application of the paper sucker to some flat offset printing machines suitable for thick paper printing can cause some defects: for thinner paper, such as printing paper with a grammage of less than 40 g, when the suction head sucks the paper and lifts up, the paper is easy to shake and is wavy (as shown in fig. 1), and normally, the paper should be in a substantially horizontal state, and the wavy paper affects the position of the paper on the conveyor belt when the paper is subsequently put down, thereby affecting the smooth conveyance of the paper.

Therefore, the application range of the flat-sheet offset printing machine is limited, and the flat-sheet offset printing machine can only print printing paper with the gram weight of more than 40 grams.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art, the utility model provides a flat offset press flies to reach the subassembly, and the technical problem that solve is among the prior art, uses the flat offset press of traditional paper aspirator because its suction head can lead to the paper to be wavy and can't carry the paper smoothly when promoting the paper that the grammes per square metre is less than 40 grams for the unable printing grammes per square metre of this kind of flat offset press is less than 40 grams of paper, has restricted its application scope.

For solving the technical problem, the utility model provides a following technical scheme:

the flying component of the flat-sheet offset press comprises a paper suction device, wherein a plurality of suction heads are installed at the bottom of the paper suction device, the suction heads can move up and down in the height direction of the paper suction device, the bottom of the paper suction device is horizontally provided with a flat plate, a plurality of openings for the suction heads to penetrate are formed in the flat plate, the flat plate is detachably connected with the paper suction device through a support, and the bottom surface of the flat plate is flush with a suction disc opening when the suction heads are located at the highest position.

preferably, the edges of the flat plate are all in a round angle structure, so that when the flat plate contacts with paper, the paper can be prevented from being scratched due to sharp edges.

Preferably, the support is the band steel that both ends were buckled, the kink at band steel both ends respectively with inhale the paper ware the flat board passes through bolted fastener and connects, realizes from this that support and paper ware can be dismantled, and simultaneously, support and flat board also can be dismantled, like this, are convenient for dismantle the clearance with the flat board, avoid influencing the paper cleanness.

In order to avoid scratching the paper, the bottom surface of the flat plate is ensured to be sufficiently smooth, and the roughness of the bottom surface of the flat plate is not higher than 0.8.

Compared with the prior art, the utility model beneficial effect who has is: because the flat plate is horizontally arranged at the bottom of the paper sucker, when the paper sucker lifts thin paper, the paper is lifted to the flat plate by the suction head and is blocked, the paper is shaken and does not appear in a wavy manner originally, the paper still keeps a roughly spread state, the position of the paper is unchanged when the paper falls onto the conveying belt, and the paper is conveyed smoothly subsequently, so that the application range of the flat offset press is expanded, and the paper with the gram weight of less than 40 grams can be printed.

Drawings

The utility model discloses there is following figure:

FIG. 1 is a schematic diagram of the prior art;

FIG. 2 is a schematic view of the present invention;

Fig. 3 is a schematic view of the flat plate of the present invention;

fig. 4 is a schematic view of the bracket of the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 2-4, the feeder assembly of the sheet offset press comprises a paper suction device 1, wherein a plurality of suction heads 2 are installed at the bottom of the paper suction device 1, the suction heads 2 can move up and down in the height direction of the paper suction device 1, a flat plate 3 is horizontally arranged at the bottom of the paper suction device 1, a plurality of openings 4 for the suction heads 2 to pass through are formed in the flat plate 3, the flat plate 3 is detachably connected with the paper suction device 1 through a support 5, and the suction openings of the flat plate 3 and the suction heads 2 at the highest position of the flat plate 3 are flush.

Because the flat plate 3 is horizontally arranged at the bottom of the paper sucker 1, when the paper sucker 1 lifts thin paper 6, the paper 6 is lifted to the flat plate 3 by the suction head 2 and is blocked, the original shaking and waving can not occur, the paper 6 is kept in a roughly flat state and then is not changed in position when falling onto a conveying belt, and then the paper is smoothly conveyed, so that the flat offset press for thick paper printing adopting the paper sucker 1 can print the paper with the grammage higher than 40 g, and can print the paper with the grammage lower than 40 g, namely the thin paper, and can print the paper with the grammage lower than 33 g at the lowest, thereby enlarging the application range of the flat offset press, namely improving the universality of the flat offset press, for enterprises, in order to print the thin paper, a special printer for printing the thin paper is not needed to be purchased newly, the printing machine is expensive, so that the operating cost of enterprises is greatly reduced.

The edges of the flat plate 3 are all in a round angle structure, so that when the flat plate contacts the paper 6, the paper 6 can be prevented from being scratched due to sharp edges.

Support 5 is the band steel 8 of both ends buckling, and the kink 9 at band steel 8 both ends passes through bolted fastener with inhaling paper ware 1, dull and stereotyped 3 respectively to be connected, realizes from this that support 5 can dismantle with inhaling paper ware 1, simultaneously, and support 5 also can dismantle with dull and stereotyped 3, like this, is convenient for dismantle the clearance with dull and stereotyped 3, avoids influencing paper 6 cleanness.

In order to avoid scratching the paper 6, it is ensured that the bottom surface 10 of the plate 3 is sufficiently smooth, and the roughness of the bottom surface 10 of the plate 3 is not higher than 0.8.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The flying component of the flat-sheet offset press comprises a paper suction device, wherein a plurality of suction heads are installed at the bottom of the paper suction device, and the suction heads can move up and down in the height direction of the paper suction device and are characterized in that: the paper suction device is characterized in that a flat plate is horizontally arranged at the bottom of the paper suction device, a plurality of openings for the suction heads to penetrate through are formed in the flat plate, the flat plate is detachably connected with the paper suction device through a support, and the bottom surface of the flat plate is flush with the suction disc openings when the suction heads are located at the highest position of the suction heads.

2. The flying reach assembly of a sheet offset printing press according to claim 1, characterized in that: the edges of the flat plates are all in a round corner structure.

3. The flying reach assembly of a sheet offset printing press according to claim 1, characterized in that: the support is flat steel with two bent ends, and the bent parts at the two ends of the flat steel are respectively connected with the paper suction device and the flat plate through bolt fasteners.