CN213056376U

CN213056376U - Printing roller cooling device for printing equipment

Info

Publication number: CN213056376U
Application number: CN202020639286.9U
Authority: CN
Inventors: 杜万全
Original assignee: ANHUI XINHUA PRINTING CO LTD
Current assignee: ANHUI XINHUA PRINTING CO LTD
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-04-27
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a lithography apparatus uses printing roller cooling device, comprising a base plate, bottom plate upper wall fixedly connected with installation shell, the installation shell lower extreme is equipped with the printing roller, installation shell upper wall fixedly connected with fan, fan delivery outlet fixedly connected with air duct, installation shell lateral wall fixedly connected with connecting plate, the air duct is located the connecting plate, a plurality of shower nozzles of connecting plate lower wall fixedly connected with, it is a plurality of the shower nozzle all communicates with the air duct, the lateral wall that the installation shell is relative is equipped with water-cooling mechanism. The utility model discloses can enough reduce the surface temperature of printing roller, can also effectively cool down the inside of printing roller, improve the quality of printing.

Description

Printing roller cooling device for printing equipment

Technical Field

The utility model relates to a printing roller cooling technology field especially relates to a printing roller cooling device for lithography apparatus.

Background

Machines for printing text and images. Modern printing machines are generally composed of mechanisms for plate loading, inking, stamping, paper feeding, etc. The working principle is as follows: the characters and images to be printed are made into printing plate, then it is mounted on the printing machine, then the ink is coated on the position of the characters and images on the printing plate by manual or printing machine, then it is directly or indirectly transferred onto paper or other printing material, so that the same printed matter as that of the printing plate can be reproduced. The prior printing roller of the printing machine has the following problems:

1. the existing printer prints characters to be printed on a printing stock through a printing roller during printing, and the temperature of the printing roller is increased due to friction heat generation during printing of the printing roller, so that the printing quality is reduced;

2. the existing printing roller cooling device mostly reduces the temperature of the printing roller by blowing air through a fan, only can reduce the surface temperature, and has poor cooling effect.

To this end, we have devised a roller cooling device for a printing apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a printing roller cooling device for a printing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a printing roller cooling device for lithography apparatus, includes the bottom plate, bottom plate upper wall fixedly connected with installation shell, the installation shell lower extreme is equipped with the printing roller, installation shell upper wall fixedly connected with fan, fan delivery outlet fixedly connected with air duct, installation shell lateral wall fixedly connected with connecting plate, the air duct is located the connecting plate, a plurality of shower nozzles of connecting plate lower wall fixedly connected with, it is a plurality of the shower nozzle all communicates with the air duct, the lateral wall that the installation shell is relative is equipped with water-cooling mechanism.

Preferably, the water-cooling mechanism includes two fixed blocks, two the relative lateral wall of fixed block all is equipped with the recess, two the relative lateral wall of fixed block all rotates through rotary seal circle and is connected with the plank, two the common fixedly connected with pivot of the relative lateral wall of plank, printing roller fixed connection is at the pivot lateral wall, the inside copper pipe that is equipped with of printing roller, and the copper pipe both ends run through printing roller both sides wall respectively, one of them recess upper wall intercommunication is equipped with the cold water pipe, bottom plate upper wall fixedly connected with water pump, the one end that the fixed block was kept away from to the cold water pipe communicates with the delivery end of water pump, bottom plate upper wall fixedly connected with water tank, the income water end and the water tank intercommunication of water pump, the water tank upper wall intercommunication is equipped with the hot-water pipe, the one end.

Preferably, the cross section of the air duct is of a T-shaped structure, and the plurality of spray heads are all located right above the printing roller.

Preferably, two ends of the copper pipe penetrate through the side walls of the two wood boards respectively, and two ends of the copper pipe are communicated with the two grooves respectively.

Preferably, the copper pipe is arranged in the printing roller in a bending mode, sealing rings are arranged at the penetrating positions of the two ends of the copper pipe and the wood board, and the sealing rings are arranged at the penetrating positions of the hot water pipe and the water tank.

Preferably, the cross section of the installation shell is of an inverted U-shaped structure, and the hot water pipe and the cold water pipe both penetrate through the side wall of the installation shell.

The utility model discloses following beneficial effect has:

1. in the utility model, by arranging the fan, the fan sprays cold air to the surface of the printing roller through the plurality of spray heads on the air duct, thereby reducing the surface temperature of the printing roller and improving the printing quality;

2. the utility model discloses a set up the water pump, during the water pump went into the cold water pipe with the water pump, flowed into the copper pipe from the cold water pipe, water flowed along the copper pipe, had taken away a large amount of heats of printing roller inside, can effectively cool down the inside of printing roller, further improved the quality of printing, can also prolong the life of printing roller.

Drawings

FIG. 1 is a schematic structural view of a roller cooling device for a printing apparatus according to the present invention;

fig. 2 is a cross-sectional view showing the development of a printing roller of a roller cooling device for a printing apparatus according to the present invention.

In the figure: the device comprises a base plate 1, a mounting shell 2, a fan 3, an air duct 4, a connecting plate 5, a spray head 6, a printing roller 7, a rotating shaft 8, a copper pipe 9, a wood board 10, a rotary sealing ring 11, a fixing block 12, a hot water pipe 13, a cold water pipe 14, a water pump 15, a water tank 16 and a groove 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, a printing roller cooling device for lithography apparatus, comprising a base plate 1, 1 upper wall fixedly connected with installation shell 2 of bottom plate, 2 lower extremes of installation shell are equipped with printing roller 7, the cross section of installation shell 2 is the U type structure of invering, hot-water line 13 all runs through 2 lateral walls of installation shell with cold water pipe 14, 2 upper wall fixedly connected with fans 3 of installation shell, 3 delivery outlet fixedly connected with air duct 4 of fan, 2 lateral wall fixedly connected with connecting plate 5 of installation shell, air duct 4 is located connecting plate 5, 5 lower wall fixedly connected with a plurality of shower nozzles 6 of connecting plate, a plurality of shower nozzles 6 all communicate with air duct 4, the cross section of air duct 4 is T type structure, the air current can get into a plurality of shower nozzles 6 along air duct 4 in, a plurality of shower nozzles 6 all are located printing roller 7 directly over.

The opposite side walls of the mounting shell 2 are provided with a water cooling mechanism, the water cooling mechanism comprises two fixed blocks 12, the opposite side walls of the two fixed blocks 12 are respectively provided with a groove 17, the opposite side walls of the two fixed blocks 12 are respectively and rotatably connected with a wood plate 10 through rotary sealing rings 11, the wood plates 10 can not drive the fixed blocks 12 to rotate under the action of the rotary sealing rings 11, the opposite side walls of the two wood plates 10 are jointly and fixedly connected with a rotating shaft 8, a printing roller 7 is fixedly connected with the side wall of the rotating shaft 8, a copper pipe 9 is arranged inside the printing roller 7, two ends of the copper pipe 9 respectively penetrate through the two side walls of the printing roller 7, the upper wall of one groove 17 is communicated with a cold water pipe 14, the upper wall of the bottom plate 1 is fixedly connected with a water pump 15, one end, far away from the fixed block 12, of the cold water pipe 14 is communicated with the water outlet, the end of the hot water pipe 13 remote from the water tank 16 communicates with another recess 17.

The utility model discloses in, copper pipe 9 is at the inside crooked setting of printing roller 7, increases the surface area of copper pipe 9 and the inside contact of printing roller 7 for the cooling effect is better, and copper pipe 9 both ends all are equipped with the sealing washer with plank 10 department of running through, and hot-water line 13 and water tank 16 department of running through are equipped with the sealing washer, prevent revealing of water.

When needing to cool down printing roller 7, opening fan 3 and water pump 15, during fan 3 inputed air duct 4 with air conditioning, then air conditioning from a plurality of shower nozzles 6 blowout to printing roller 7 surface along air duct 4, rotation drive printing roller 7 of pivot 8 rotates for 6 spun air currents of shower nozzle can blow the whole lateral wall of printing roller 7, can dispel the heat to the surface of printing roller 7 and cool down.

The water pump 15 is in the recess 17 of the fixed block 12 of cold water pump 14 pump income along the cold water pipe in 16, then cold water flows into copper pipe 9, cold water flows in printing roller 7 along copper pipe 9, can take away the inside a large amount of heats of printing roller 7, water flows into in hot-water line 13 from the other end of copper pipe 9, flow into in 16 in the water tank, mix with the cold water in the water tank 16, can circulate like this and constantly cool down printing roller 7 inside, prevent that the temperature of printing roller 7 during operation is too high, influence the effect of printing.

It is worth noting that the rotating shaft 8 drives the wood plate 10 to rotate on the rotary sealing ring 11 when rotating, the fixing block 12 cannot rotate, and the cold water pipe 14 and the hot water pipe 13 are always communicated with the groove 17 when the rotating shaft 8 rotates, so that water entering and exiting the copper pipe 9 cannot be influenced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A roller cooling device for a printing apparatus, comprising a base plate (1), characterized in that: bottom plate (1) upper wall fixedly connected with installation shell (2), installation shell (2) lower extreme is equipped with printing roller (7), installation shell (2) upper wall fixedly connected with fan (3), fan (3) delivery outlet fixedly connected with air duct (4), installation shell (2) lateral wall fixedly connected with connecting plate (5), air duct (4) are located connecting plate (5), a plurality of shower nozzles (6) of connecting plate (5) lower wall fixedly connected with, and are a plurality of shower nozzle (6) all communicate with air duct (4), the lateral wall that installation shell (2) is relative is equipped with water-cooling mechanism.

2. The apparatus of claim 1, wherein: the water-cooling mechanism comprises two fixing blocks (12) and two side walls opposite to the fixing blocks (12) are provided with grooves (17) and two side walls opposite to the fixing blocks (12) are rotatably connected with wood boards (10) through rotary sealing rings (11) and are provided with rotary shafts (8) which are fixedly connected with the side walls opposite to the wood boards (10), the printing rollers (7) are fixedly connected with the side walls of the rotary shafts (8), copper pipes (9) are arranged inside the printing rollers (7), two ends of each copper pipe (9) penetrate through two side walls of the printing rollers (7) respectively, one of the two side walls is provided with a cold water pipe (14) through the upper wall of each groove (17), a water pump (15) is fixedly connected with the upper wall of the bottom plate (1), one end of each fixing block (12) is far away from the cold water pipe (14) and the water outlet end of the water pump (15), the water inlet end of the water pump (15) is communicated with the water tank (16), the upper wall of the water tank (16) is communicated with a hot water pipe (13), and one end, far away from the water tank (16), of the hot water pipe (13) is communicated with the other groove (17).

3. The apparatus of claim 1, wherein: the cross section of the air duct (4) is of a T-shaped structure, and the plurality of spray heads (6) are all positioned right above the printing roller (7).

4. The apparatus of claim 2, wherein: two ends of the copper pipe (9) penetrate through the side walls of the two wood boards (10) respectively, and two ends of the copper pipe (9) are communicated with the two grooves (17) respectively.

5. The apparatus of claim 1, wherein: copper pipe (9) are at the inside crooked setting of printing roller (7), copper pipe (9) both ends all are equipped with the sealing washer with plank (10) department of running through, hot-water line (13) and water tank (16) department of running through are equipped with the sealing washer.

6. The apparatus of claim 1, wherein: the cross section of the installation shell (2) is of an inverted U-shaped structure, and the hot water pipe (13) and the cold water pipe (14) penetrate through the side wall of the installation shell (2).