CN215751311U

CN215751311U - Automatic protection mechanism of single-color offset press

Info

Publication number: CN215751311U
Application number: CN202120853205.XU
Authority: CN
Inventors: 张瑞平
Original assignee: Shijiazhuang Yinxing Anti Counterfeiting Printing Co ltd
Current assignee: Shijiazhuang Yinxing Anti Counterfeiting Printing Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2022-02-08
Anticipated expiration: 2031-04-24

Abstract

The application relates to the technical field of offset presses, in particular to an automatic protection mechanism of a monochromatic offset press, which comprises a protection cover and a ventilation mechanism arranged on one side of the protection cover; the side surface of the protective cover is provided with an air outlet, the ventilation mechanism is connected with the protective cover and ventilates the interior of the protective cover, and the ventilation mechanism comprises an air supply mechanism fixedly connected to the side surface of the protective cover and a water removal mechanism connected with the air supply mechanism; air feed mechanism's air intake department fixedly connected with removes dust cotton, dewatering mechanism fixed connection is on the side of safety cover. This application has when reducing offset press temperature, can also reduce the effect of dust and steam in the outside air to offset press's influence.

Description

Automatic protection mechanism of single-color offset press

Technical Field

The application relates to the technical field of offset presses, in particular to an automatic protection mechanism of a single-color offset press.

Background

The offset press is one of offset presses, when printing, the printing image and text are firstly printed on a rubber cylinder from a printing plate and then are transferred to paper by the rubber cylinder, and the offset press can be divided into a single-sheet offset press and a web offset press according to different paper feeding modes; the printing colors finished by one-time paper feeding can be divided into single-color, double-color, four-color and multi-color printing machines.

With respect to the related art among the above, the inventors consider that there is a defect: in order to facilitate heat dissipation of the offset press in the related art, the internal environment of the offset press is directly communicated with the external environment, so that dust impurities and water vapor in the external air can enter the offset press while the heat dissipation is improved, and the dust impurities and the water vapor can influence the printing quality and the service life of the offset press.

SUMMERY OF THE UTILITY MODEL

In order to reduce the influence of dust and steam in the outside air on the offset press, the application provides an automatic protection mechanism of a monochromatic offset press.

The application provides a monochromatic offset press's automatic protection machanism adopts following technical scheme:

an automatic protection mechanism of a monochromatic offset press comprises a protection cover and a ventilation mechanism arranged on one side of the protection cover; an air outlet is formed in the side face of the protective cover, the ventilation mechanism is connected with the protective cover and ventilates the interior of the protective cover, and the ventilation mechanism comprises an air supply mechanism fixedly connected to the side face of the protective cover and a water removal mechanism connected with the air supply mechanism; air feed mechanism's air intake department fixedly connected with removes dust cotton, dewatering mechanism fixed connection is on the side of safety cover.

Through adopting above-mentioned technical scheme, when offset press is at the during operation, the staff opens ventilation mechanism, air feed mechanism removes dust with the dewatering mechanism dewatering with the air of external world through the cotton dust removal, air feed mechanism blows into the inside of safety cover with the lower air of ambient temperature, make the inside pressure of safety cover rise, thereby send out the higher air of the inside temperature of safety cover, thereby reduce the inside temperature of safety cover, when reducing offset press temperature, can also reduce the influence of dust and steam to offset press in the ambient air.

Optionally, the air feed mechanism includes fixed connection at the fan of safety cover, be connected with the air-supply line on the fan and go out the tuber pipe, the cotton fixed connection of dust removal is in the air intake department of air-supply line, go out tuber pipe and dewatering mechanism fixed connection.

By adopting the technical scheme, when the fan works, the fan tightly sucks outside air into the fan through the air inlet pipe; after the air is through removing dust cotton, the dust impurity in the air is filtered, later is accelerateed by the fan at the air and carries out the dewatering with the inside of air feed water removal mechanism through the tuber pipe.

Optionally, the water removal mechanism comprises a water filter bottle fixedly connected to the side surface of the protective cover, a water filter plate fixedly connected to the inside of the water filter bottle, and a first connecting pipe fixedly connected to the top of the water filter bottle; the air outlet pipe is fixedly connected with the water filtering bottle, the end part of the air outlet pipe is positioned below the water filtering plate, the end part of the first connecting pipe is positioned above the water filtering plate, and the first connecting pipe is communicated with the inside of the protective cover.

Through adopting above-mentioned technical scheme, in sending the air into the filter flask when the play tuber pipe, after the air flows out from the play tuber pipe, flow from first connecting pipe again through the water strainer, when air through the water strainer, the little drop of water of atomizing in the air is blockked by the water strainer, and only air molecule can pass through the water strainer to reduce the water content in the inside air of first connecting pipe, and then reduce the influence of water in the air to offset press.

Optionally, the bottom of the water filtering bottle is fixedly connected with a drain pipe, and a switch valve is arranged on the drain pipe.

Through adopting above-mentioned technical scheme, when the water accumulation in the water filter bottle reaches a quantitative time, the staff opens the ooff valve on the drain pipe, discharges the ponding in the water filter bottle.

Optionally, the dewatering mechanism comprises a pressurizing assembly, and the pressurizing assembly is arranged between the water filtering bottle and the air outlet pipe.

Through adopting above-mentioned technical scheme, before the air admission filter flask, the pressure and the velocity of flow of pressurization subassembly increase air make gaseous water in the air become atomizing drop of water to improve the dewatering effect of filter flask.

Optionally, the pressurizing assembly comprises a pressurizing bin fixedly connected to the side face of the protection cover, the air outlet pipe is connected with the pressurizing bin, a second connecting pipe is fixedly connected to the pressurizing bin, a pressure release valve is arranged inside the second connecting pipe, the second connecting pipe is fixedly connected with the water filtering bottle, and the second connecting pipe stretches to the position below the water filtering plate.

Through adopting above-mentioned technical scheme, the fan sends the inside in pressurization storehouse with the air, after the inside setting value that will reach in pressurization storehouse, the relief valve is opened, discharges the higher air of pressure to increase the pressure and the velocity of flow of the inside air of second connecting pipe.

Optionally, ventilation mechanism includes pressure reduction assembly, pressure reduction assembly includes the decompression storehouse of fixed connection on the safety cover side, first connecting pipe is connected with the decompression storehouse, fixedly connected with third connecting pipe on the side in decompression storehouse, the cross section diameter of third connecting pipe is greater than the cross section diameter of first connecting pipe, the third connecting pipe communicates with each other with the inside of safety cover.

Through adopting above-mentioned technical scheme, after the air flows from dewatering mechanism, the pressure and the velocity of flow of air are great, and the pressure velocity of flow of air can be reduced to the pressure reduction subassembly to reduce the interference that the air flow removed the inside paper of offset press, reduce the influence of the interior outer air flow of safety cover to offset press.

Optionally, a switch door is arranged on the side surface of the protective cover.

Through adopting above-mentioned technical scheme, the staff can get into the inside of safety cover through the switch door and overhaul and maintain offset press.

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

1. when the offset press works, a worker opens the ventilation mechanism, after the air supply mechanism removes water from outside air through the dedusting cotton and water removal mechanism, the air supply mechanism blows air with lower outside temperature into the protective cover to increase the pressure in the protective cover, so that the air with higher temperature in the protective cover is sent out, the temperature in the protective cover is reduced, and the influence of dust and water vapor in the outside air on the offset press can be reduced while the temperature of the offset press is reduced;

2. when the air passes through the water filter plate, atomized small water drops in the air are blocked by the water filter plate, and only air molecules can pass through the water filter plate, so that the water content in the air in the first connecting pipe is reduced, and the influence of water in the air on the offset press is further reduced;

3. after the air flows out from the dewatering mechanism, the pressure and the flow velocity of the air are large, and the pressure reducing assembly can reduce the pressure and the flow velocity of the air, so that the interference of the air flow on the movement of paper inside the offset press is reduced, and the influence of the air flow inside and outside the protective cover on the offset press is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the protective cover structure of the present application.

Fig. 3 is a schematic structural diagram of a ventilation mechanism in an embodiment of the present application.

Description of reference numerals: 1. a protective cover; 11. an air outlet; 12. opening and closing the door; 2. a ventilation mechanism; 21. a wind supply mechanism; 211. dedusting cotton; 212. a fan; 213. an air inlet pipe; 214. an air outlet pipe; 22. a water removal mechanism; 221. a water filtering bottle; 222. a water filter plate; 223. a first connecting pipe; 224. a pressurizing bin; 225. a second connecting pipe; 226. a pressure relief valve; 227. a drain pipe; 228. an on-off valve; 23. a pressure relief assembly; 231. a pressure reduction bin; 232. and a third connecting pipe.

Detailed Description

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

The embodiment of the application discloses an automatic protection mechanism of a monochromatic offset press. Referring to fig. 1, an automatic guard mechanism of a monochrome offset printing press includes a guard cover and a ventilator 212 mechanism 2 installed at one side of the guard cover. An air outlet 11 is arranged on the side surface of the protective cover 1. The ventilator 212 mechanism 2 comprises a fan supply 212 mechanism 21 arranged on the side surface of the protective cover 1, a pressurizing assembly arranged on the side surface of the protective cover 1, a water removing mechanism 22 arranged on the side surface of the protective cover 1 and a pressure reducing assembly 23 arranged on the side surface of the protective cover 1; the air supply mechanism 212 is connected with the pressurizing assembly, the pressurizing assembly is connected with the water removing mechanism 22, the water removing mechanism 22 is connected with the pressure reducing assembly 23, and the pressure reducing assembly 23 is connected with the protective cover 1.

When the worker starts the ventilator 212 mechanism 2, the air supply mechanism 21 sucks in outside air and removes dust, and then the outside air passes through the pressurizing assembly, the water removing mechanism 22 and the pressure reducing mechanism in sequence, the water removing mechanism 22 reduces water mist in the air, and the pressure reducing mechanism reduces the pressure and flow rate of the air and then sends the air into the protective cover 1. Under the action of the ventilator 212, the air inside and outside the protective cover 1 circulates, and the high-temperature air inside the protective cover 1 is sent out, so that the temperature of the offset printing machine is reduced, the influence of dust and water in the air from the outside on the offset printing machine is reduced, and the printing efficiency of the offset printing machine is improved.

Referring to fig. 2, a plurality of air outlets 11 are formed in the side surface of the protection cover 1, and an opening and closing door 12 is hinged to the side surface of the protection cover 1. When the ventilator 212 operates, the air outlet 11 can discharge the air inside the protection cover 1, so that the air inside and outside the protection cover 1 can circulate, and the temperature inside the protection cover 1 can be reduced. The operator can open the opening and closing door 12 to periodically check and maintain the offset printing machine.

Referring to fig. 3, the air supply mechanism 212 includes a blower 212 mounted on the side of the protective cover 1 by bolts, and an air inlet pipe 213 and an air outlet pipe 214 mounted on the blower 212, wherein dust removing cotton 211 is mounted at the air inlet of the air inlet pipe 213, and the air outlet pipe 214 is connected to the water removing mechanism 22. After the worker starts the blower fan 212, the blower fan 212 sends air into the water removing mechanism 22 through the air inlet pipe 213 and the air outlet pipe 214, and when the air passes through the dust removing cotton 211, the dust removing cotton 211 adsorbs dust impurities in the air, so that the dust in the air is reduced.

Referring to fig. 3, the dewatering mechanism 22 includes a pressurizing unit attached to a side surface of the protection cover 1, a filter flask 221 attached to a side surface of the protection cover 1 using bolts, a filter plate 222 abutting on an inner wall of the filter flask 221, a pressure reducing unit 23 welded to a first connection pipe 223, and the pressure reducing unit 23 connected to the first connection pipe 223. The pressurizing assembly comprises a pressurizing bin 224 welded on the side surface of the protective cover 1 and a second connecting pipe 225 welded on the side surface of the pressurizing bin 224, the second connecting pipe 225 is connected with a filter water bottle 221, a pressure relief valve 226 is arranged in the second connecting pipe 225, and the air outlet pipe 214 is connected with the pressurizing bin 224.

The blower 212 feeds the air after dust removal into the inside of the pressurizing chamber 224 through the air outlet pipe 214, and then the air is pressurized inside the pressurizing chamber 224, and when the pressure inside the pressurizing chamber 224 reaches the set value of the pressure release valve 226, the pressurized air flows into the inside of the filter bottle 221 through the second connection pipe 225. After the pressurized air flows out of the pressure release valve 226, the internal energy of the air itself does work outwards, the temperature of the air is reduced, and the moisture in the air is condensed into mist-state water drops, so that the water removal effect of the filter flask 221 is improved.

Referring to fig. 3, the side surface of the water filtering plate 222 abuts against the inner wall of the water filtering bottle 221, the water filtering plate 222 is in interference fit with the water filtering bottle 221, and the air outlet 11 of the second connecting pipe 225 penetrates through the top of the water filtering bottle 221 and the water filtering plate 222. The air inlet of the first connection pipe 223 is located inside the water filter bottle 221 and above the water filter plate 222, and the air outlet 11 of the first connection pipe 223 is connected to the pressure reducing assembly 23. A drain pipe 227 is provided at the bottom of the filter flask 221, the drain pipe 227 is integrally formed with the filter flask 221, and an on-off valve 228 is attached to the drain pipe 227.

The water filtering plate 222 is uniformly provided with fine filtering holes, and the filtering holes can block water mist and allow air molecules to pass through. After the second connection pipe 225 feeds the air with the mist into the inside of the filter bottle 221, the air passes through the water filter plate 222, the mist is blocked by the water filter plate 222 at the bottom of the concentrated filter bottle 221, and the air from which the mist is removed is fed into the inside of the decompression assembly 23 through the first connection pipe 223. When more water is accumulated in the filter bottle 221, the operator opens the on-off valve 228 to discharge the water in the filter bottle 221.

Referring to fig. 3, the pressure reducing assembly 23 includes a pressure reducing chamber 231 welded on a side of the protection cover 1 and a third connection pipe 232 welded on a side of the pressure reducing chamber 231, the third connection pipe 232 being welded on a side of the protection cover 1, the third connection pipe 232 having a cross-sectional diameter greater than that of the first connection pipe 223. When the air from which dust and mist are removed enters the inside of the decompression chamber 231, the pressure and speed of the air are reduced, and the influence of the air flow inside the protection cover 1 on the operation of the offset printing press can be reduced.

The implementation principle of the automatic protection mechanism of the monochrome offset press in the embodiment of the application is as follows: the worker turns on the blower fan 212, dust and impurities in the air are filtered by the dust removing cotton 211 as the air is drawn into the air inlet duct 213, and then the air is compressed and released, and water mist in the air is filtered as the air passes through the water filter bottle 221. The fan 212 reduces the dust and water content in the air, and allows the air inside and outside the protective cover 1 to circulate while reducing the interference of the outside air to the operation of the offset printing press, so that the temperature of the air inside the protective cover 1 is not too high.

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. The utility model provides an automatic protection machanism of monochromatic offset press which characterized in that: comprises a protective cover (1) and a ventilation mechanism (2) arranged on one side of the protective cover (1); an air outlet (11) is formed in the side face of the protective cover (1), the ventilation mechanism (2) is connected with the protective cover (1) and ventilates the interior of the protective cover (1), and the ventilation mechanism (2) comprises an air supply mechanism (21) fixedly connected to the side face of the protective cover (1) and a water removal mechanism (22) connected with the air supply mechanism (21); air intake department fixedly connected with dust removal cotton (211) of air feed mechanism (21), dewatering mechanism (22) fixed connection is on the side of safety cover (1).

2. The automatic guard mechanism of a monochrome offset printing press according to claim 1, wherein: air feed mechanism (21) includes fan (212) of fixed connection at protection cover (1), be connected with air-supply line (213) and air-out pipe (214) on fan (212), dust removal cotton (211) fixed connection is in the air intake department of air-supply line (213), air-out pipe (214) and dewatering mechanism (22) fixed connection.

3. The automatic guard mechanism of a monochrome offset printing press according to claim 2, wherein: the water removal mechanism (22) comprises a filter flask (221) fixedly connected to the side face of the protective cover (1), a water filtering plate (222) fixedly connected to the inside of the filter flask (221), and a first connecting pipe (223) fixedly connected to the top of the filter flask (221); air-out pipe (214) and water filter bottle (221) fixed connection, the tip that air-out pipe (214) is located the below of drainage board (222), the tip of first connecting pipe (223) is located the top of drainage board (222), first connecting pipe (223) communicates with each other with the inside of safety cover (1).

4. The automatic guard mechanism of a monochrome offset printing press according to claim 3, wherein: the bottom of the filter flask (221) is fixedly connected with a drain pipe (227), and the drain pipe (227) is provided with a switch valve (228).

5. The automatic guard mechanism of a monochrome offset printing press according to claim 3, wherein: the dewatering mechanism (22) comprises a pressurizing assembly, and the pressurizing assembly is arranged between the filter flask (221) and the air outlet pipe (214).

6. The automatic guard mechanism of a monochrome offset printing press according to claim 5, wherein: the pressurization subassembly includes pressurization storehouse (224) of fixed connection on safety cover (1) side, it links to each other with pressurization storehouse (224) to go out tuber pipe (214), fixedly connected with second connecting pipe (225) on pressurization storehouse (224), second connecting pipe (225) inside is equipped with relief valve (226), second connecting pipe (225) and water filter (221) fixed connection, the below of water filter (222) is stretched in second connecting pipe (225).

7. The automatic guard mechanism of a monochrome offset printing press according to claim 3, wherein: ventilation mechanism (2) are including decompression subassembly (23), decompression subassembly (23) are including decompression storehouse (231) of fixed connection on safety cover (1) side, first connecting pipe (223) are connected with decompression storehouse (231), fixedly connected with third connecting pipe (232) on the side of decompression storehouse (231), the cross section diameter of third connecting pipe (232) is greater than the cross section diameter of first connecting pipe (223), third connecting pipe (232) communicate with each other with the inside of safety cover (1).

8. The automatic guard mechanism of a monochrome offset printing press according to claim 1, wherein: the side surface of the protective cover (1) is provided with a switch door (12).