CN201002383Y

CN201002383Y - Device for removing dust on printed paper surface by air knife

Info

Publication number: CN201002383Y
Application number: CNU2007200663378U
Authority: CN
Inventors: 王祝明
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-15
Filing date: 2007-01-15
Publication date: 2008-01-09
Anticipated expiration: 2017-01-15

Abstract

The utility model relates to a printing machinery technical field, especially a device to remove dust on the printing paper surface by a wind cutter; the utility model primarily includes a paper channel inlet (2) and a paper channel outlet (4) which are used for paper to enter an exit; a plurality of paper passing rolls (3) which are provided between the paper channel inlet (2) and the paper channel outlet (4), and the paper channel (1) can continually supply paper to a rotary printing device (17) through the paper passing roll (3); a wind energy operating component (6) which is at both sides of the paper channel (1), and the high pressure blower fan (11) supplies wind energy for the wind energy operating component wind cutter (6) through a wind energy conveying pipe (5); a set of dust exhaust device which is below the wind cutter (6). The structure of the utility model is simple and the installation is convenient, which can be widely applied in various rotary printing fields.

Description

A kind of device of removing the printing sheets surface dust with air knife

Technical field

The utility model relates to the printing machinery technical field, particularly a kind of device of removing the printing sheets surface dust with air knife.

Background technology

The roll web that rotary printing is used, because its surface attachment has molecule, fiber and paper powder etc., this popular call in printing industry is the paper powder, but the dust on the roll web not only can printing product quality impact, but also can influence printing work efficient, mainly show following several aspect:

1. in printing process and since be attached to paper surface dust stop that printing ink can not penetrate into paper fully, perhaps after the printing,, thereby influence the printing quality of printing because the part dust releasing causes the defective of printing product surface.

2. when paper is by rotary printing equipment, these paper dirt are bound to more or less to drop and be bonded on the rubber roller of rotary printing equipment from paper surface, especially molecule, can cause damage to forme (PS plate) surface, after the forme damage, will cause that printing is blured, faded etc., influence the printing quality of printing.

3. be accumulated in paper powder such as untimely removing the on the rubber roller,, form bulk, thereby cause rubber cloth to damage by pressure, at this moment must change rubber cloth, otherwise print quality can't guarantee with the cumulative and local crowning of printing-ink meeting.Such situation takes place; rotary printing equipment must be shut down; because of the shutdown of rotary printing equipment with in the waste that starts the printing material that is caused more than at least 5 kilograms, and need 15-20 minute time at least owing to change rubber cloth, this makes printing efficiency reduce.

4. owing to be accumulated on the rubber roller and the paper powder agglomates shape of local crowning, abnormal overstocked through rubber roller and galley roller can increase the mechanical wear and the damage of printing equipment.

5. drop paper powder on the rubber roller of rotary printing equipment is transmitted ink reservoir by galley roller, wavers sometimes, will pollute printing ink like this, causes waste of material.

At the above-mentioned problem that produces; printing manufacturer adopts the traditional means of downtime usually, perhaps utilizes and changes the printing kind, promptly changes the time interval of forme printing equipment is carried out rapid cleaning; to reduce the downtime of printing equipment, operator's labour intensity increases thereupon like this.Cleaning employed is some cleaning solvents, rag etc., and these used rags that contain solvent often can not be recycled, and can only handle as trade waste.

Summary of the invention

The purpose of this utility model just is to solve the dust of removing the printing sheets surface in the above-mentioned printing process, and can not produce the problem of any damage to paper, and a kind of device of removing the printing sheets surface dust with air knife is provided.

A kind of device with air knife removing printing sheets surface dust that the utility model provides mainly is made up of as element, high pressure positive blower and the dust exhaust apparatus three parts of wind energy effect the employing air knife.

Specifically, a kind of device of removing the printing sheets surface dust with air knife of providing of the utility model mainly comprises:

An one paper road inlet and a paper way outlet are used for the turnover of printing sheets;

Printing sheets is crossed paper bowl by between described paper road inlet and paper way outlet several, can be continually, supply with paper to printing equipment continuously;

Be positioned at the wind energy functional element air knife of both sides, described paper road, provide wind energy, produce a wind band with certain energy by wind energy functional element air knife by high pressure positive blower;

Be positioned at a cover dust exhaust apparatus of described air knife below, will be sucked into suction box from the dust that paper scrapes, enter disposal box by the dust carrier pipe, the dust that enters disposal box can focus on.

In daily life, everybody could find a kind of natural phenomena, and road surface dust is kicked up with the wind! Affecting printing quality and pollute as the dust road pavement for the dust of paper surface, after the wind energy with certain energy was blown away dust, what stay the road surface was a clean area! Thus, the utility model uses this natural phenomena can finish the technology realization of removing paper dust, since wind can be removed dust after possessing certain energy, the wind band that possesses certain energy so acts on paper surface and just can remove its surperficial dust.

After dust drops from paper surface and kicks up around the paper, still can produce secondary pollution to paper, resemble the dust kicked up from this piece place by wind to another piece place.Therefore need concentrated recovery of dust that a cover dust exhaust apparatus will drop and kick up.The utility model passes through the power source of the air inlet of high pressure positive blower as dust exhaust apparatus, has solved the dynamical problem of the dust exhaust apparatus of being made up of suction box, dust carrier pipe and disposal box effectively.

Of the present utility modelly remove printing sheets surface dust structure with air knife and realize fully and the discontiguous dedusting method of paper, need not any cleaning solvent, can not cause damage again, utilize the inspiration of natural phenomena and the realization by modern technologies, reach the purpose of removing the paper dust paper.

A kind of paper dust that has with the device of air knife removing printing sheets surface dust that the utility model provides is removed effect and can be improved printing quality, improve printing work efficient, prolonged the service life of rubber cloth, reduced the consumption of printing material, save printing cost, improved printing worker's working environment.The utility model is simple in structure, and is easy to install, can be widely used in the various rotary printings field.

Behind a kind of device that employing the utility model provides with air knife removing printing sheets surface dust, to reduce or do not need cleaning solvent and rag, and there is not the paper dust around printing equipment, to dance in the air, there is not the pollution problem of printing ink yet, working environment to factory has had great improvement, also prolong the service life of printing equipment thereupon, also eliminated a large amount of industrial waste exhaust simultaneously.For the saving of resource, reduced energy resource consumption, protected ecological environment to play significant role.Therefore we can say that the utility model has immeasurable practical interests and far-reaching significance to preserving the ecological environment, reduce energy resource consumption.

Below, describe details and working condition in conjunction with the accompanying drawings and embodiments in detail according to the concrete device that the utility model proposes.

Description of drawings

Fig. 1 be the utility model embodiment provide remove printing sheets surface dust apparatus structure schematic diagram with air knife;

Fig. 2 be the utility model embodiment provide remove printing sheets surface dust apparatus structure use location schematic diagram with air knife.

The specific embodiment

As shown in Figure 2, according to existing rotary printing flow process, printing generally should comprise sheet supply apparatus such as equipment such as zero-speed splicer, rotary press and folding machine, in the embodiment that the utility model provides, a kind of device 15 with air knife removing printing sheets surface dust that the utility model provides can be between sheet supply apparatus zero-speed splicer 16, rotary printing equipment 17 and folding machine 18.Certainly, the utility model is not limited to above-mentioned position, and it also can become the part of above-mentioned zero-speed splicer paper outlet position, or supplies with the part in the rotary printing equipment 17 paper import processes.

As shown in Figure 1, a kind of device of removing the printing sheets surface dust with air knife of providing of the utility model mainly comprises:

One paper road inlet 2 and one paper way outlet 4 is used for the turnover of printing sheets;

Some paper bowls 3 of crossing, between the inlet 2 and one paper way outlet 4 of described paper road, paper road 1 is through some paper bowls 3 of crossing, can be continually, supply with paper to rotary printing equipment 17 continuously;

Be positioned at the wind energy functional element air knife 6 of 1 both sides, described paper road, provide wind energy through wind energy carrier pipe 5 to wind energy functional element air knife 6, have air quantity by 6 one of the generation of wind energy functional element air knife again and reach 5.2-10m by high pressure positive blower 11 ³/ min, thickness are at 0.5 to 2 millimeter energy wind band, and this energy wind band resembles the tow sides that two " cuttves " act on paper, scrapes with the dust that is about to paper surface, reaches the effect of removing the paper dust;

Be positioned at a cover dust exhaust apparatus of described air knife 6 belows, utilize the air inlet of high pressure positive blower 11, the dust that scrapes is sucked suction box 8 through suction port 7, enter disposal box 10 through dust carrier pipe 9 again; Wherein, a screen pack 12 is arranged in disposal box 10, it is blocked in the dust in the air-flow in the disposal box 10, and filtered air-flow enters the air inlet of high pressure positive blower 11 through pipeline 13, by the adjusting of valve 14, can satisfy high pressure positive blower 11 and import and export the wind energy balances.

In the utility model one preferred embodiment, when advancing through design path paper road 1 trend that paper road inlet 2 enters this paper dust scavenge unit and process paper bowl 3 compositions from sheet supply apparatus 16 in paper road 1, the speed of advancing in its paper road is determined that by the print speed printing speed of rotary printing equipment 17 paper road direct of travel can be by crossing paper bowl 3 controls.Paper road 1 is in vertical tall and straight state when being traveling between two wind energy functional element air knives 6, this is the result who acts on paper owing to required tension force in the printing process.

When the energy wind band of wind energy functional element air knife 6 outputs acts on paper road 1, owing to there is identical wind energy functional element air knife 6 to act on the opposite side on paper road 1, according to active force and reaction force principle, paper road 1 external force of bearing is zero, and shift phenomenon can not take place.But the double-edged dust that is attached to paper is blocked by powerful energy wind band, can not move on paper road 1 again, and drops one after another and below the wind energy zone of action.

For the paper powder that prevents to kick up from newly being adsorbed onto on the paper, utilize the air inlet of high pressure positive blower 11 that dust is sucked suction boxs 8 through suction port 7, enter disposal box 10 through dust carrier pipe 9 again.

Like this, the energy wind band that is produced by high pressure positive blower 11 and two wind energy functional element air knives 6 acts on the tow sides on paper road 1, force the dust on 1 surface, paper road under the effect of energy wind band, to be separated with paper fully, a cover dust exhaust apparatus that is positioned at described air knife 6 belows sucks disposal box 10 with the dust that separates, and clean then paper road 1 enters rotary printing equipment 17 by paper way outlet 4.

What the utility model provided removes printing sheets surface dust compact conformation with air knife, and its main purpose is to carry out Fast Installation and use in order to adapt to printing manufacturer under the situation that need not change existing printing equipment.

One of critical piece of this paper dirt scavenger wind energy functional element air knife uses stainless steel material, and inner spacer becomes to have high-energy, thickness at 0.5 to 2 millimeter homogeneous energy wind band with the wind energy transformation of input.The high energy blower fan adopts high-power unistage type air blast, provides enough wind energies to reach to air knife.Suction box adopts stainless steel material, processes by means such as welding, and the high strength, the high temperature resistant flexible pipe that match by bore are connected to disposal box, and operating personnel can carry out dust removing work easily under non-stop-machine situation.

Claims

1, a kind of device with air knife removing printing sheets surface dust is characterized in that this device mainly comprises:

One paper road inlet (2) and a paper way outlet (4) are used for the turnover of printing sheets;

Some paper bowls (3) of crossing are positioned between a described paper road inlet (2) and the paper way outlet (4), and paper road (1) through some paper bowls (3) of crossing, can be continually, supply with paper to rotary printing equipment (17) continuously;

Be positioned at the wind energy functional element air knife (6) of both sides, described paper road (1), provide wind energy through wind energy carrier pipe (5) to wind energy functional element air knife (6) by high pressure positive blower (11);

Be positioned at a cover dust exhaust apparatus of described air knife (6) below, utilize the air inlet of high pressure positive blower (11), the dust that scrapes is sucked suction box (8) through suction port (7), enter disposal box (10) through dust carrier pipe (9) again; Wherein, one screen pack (12) is arranged in disposal box (10), and it is blocked in the dust in the air-flow in the disposal box (10), and filtered air-flow enters the air inlet of high pressure positive blower (11) through pipeline (13), by the adjusting of valve (14), can satisfy high pressure positive blower (11) and import and export the wind energy balance.

2, a kind of device with air knife removing printing sheets surface dust according to claim 1 is characterized in that one of wind energy functional element air knife (6) generation has air quantity and reaches 5.2-10m ³/ min, thickness are at 0.5 to 2 millimeter energy wind band.