CN211335129U

CN211335129U - Green UV curing device of ten-color full-rotary printing machine

Info

Publication number: CN211335129U
Application number: CN201921396458.8U
Authority: CN
Inventors: 喻方长; 喻慕玲
Original assignee: Wuxi Chuangmei Zhiyin Technology Co ltd
Current assignee: Wuxi Chuangmei Zhiyin Technology Co ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-08-25
Anticipated expiration: 2029-08-26

Abstract

The utility model discloses a ten look full rotary press's green UV solidification equipment belongs to rotary press's technical field, aims at providing a green's UV solidification equipment, and its technical scheme main points are including setting up the UV lamp platform in the frame, UV lamp platform includes the lamp house, be equipped with UV fluorescent tube and UV lamp power in the lamp house, one side is equipped with the opening in the lamp house, be equipped with negative-pressure air pipe on the lamp house, be connected with negative-pressure air fan on the negative-pressure air pipe, negative-pressure air pipe dorsad lamp house one end intercommunication has waste gas adsorption equipment, waste gas adsorption equipment includes the exhaust gas tank, be equipped with the absorption subassembly in the exhaust gas tank, be equipped with the discharge port on the exhaust gas tank. Through exhaust gas adsorption device's setting, can play and not only get rid of the harmful substance in the workshop, avoid causing the hidden danger of health to the workman, still avoided harmful substance loss to flow to the air, cause the effect of pollution to the air.

Description

Green UV curing device of ten-color full-rotary printing machine

Technical Field

The utility model relates to a rotary press's technical field, in particular to ten full rotary press's green UV solidification equipment.

Background

A printer is a machine that prints text and images. Modern printing presses typically consist of mechanisms for plating, inking, stamping, feeding (including folding), 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.

Because the rotary press has very high printing speed, and is provided with an automatic folding device for printing on the front and the back simultaneously, the size of an eight-color commercial rotary press is very large, and the printing efficiency of the eight-color commercial rotary press is very high. Roughly, the output of one rotary press is equivalent to seven or eight flat four-color offset presses.

In the conventional technology, a flexographic printing machine, a rotary printing machine and a trademark printing machine generally adopt solvent-based ink for printing, the conventional solvent-based ink needs to be dried in an air drying or infrared drying mode, and the drying time of several minutes or even tens of hours is often needed, so that the printing quality problems such as sticking and dirt are easily caused. And the printing is carried out by adopting UV (Ultraviolet) ink, the ink can be rapidly dried and solidified within a few seconds under the radiation of Ultraviolet light, the obtained printing product has clean plate surface, saturated color, delicate image and high glossiness, is particularly suitable for high-speed printing, and has good adsorption and mechanical properties on various printing materials, so that the UV ink is widely applied to printing nowadays. UV ink printing generally uses ultraviolet light with the wavelength of 200-450 nm as radiation energy to trigger liquid printing ink with chemical reaction activity to be rapidly converted into solid printing ink.

Chinese patent No. CN205890195U discloses a rotary press, which comprises a frame, the frame is provided with a feeding shaft, a discharging shaft, a printing mechanism, a transmission device and a UV lamp platform, the feeding shaft and the discharging shaft are arranged on one side of the frame, the printing mechanism is arranged at the other side of the machine frame, the feeding shaft is arranged below the discharging shaft, the UV lamp stand is arranged between the printing mechanism and the discharging shaft, the feeding shaft is provided with printing roll paper, the printing roll paper sequentially passes through the printing mechanism, the UV lamp stand and the discharging shaft through the transmission device, the frame is also provided with a display screen and an industrial camera, the signal output end of the industrial camera is connected with the display screen, the industrial camera is arranged between the UV lamp stand and the discharging shaft, and the camera of the industrial camera is abutted against the top surface of the printing roll paper between the UV lamp stand and the discharging shaft.

Although the rotary printing machine improves the printing qualified rate and reduces the labor intensity of operators, in the actual use process, because the UV lamp stand irradiates the printing roll paper to generate high temperature, the high temperature not only promotes the quick drying of the printing ink, but also promotes the volatilization of harmful substances in the printing ink, and the harmful substances are absorbed by the workers to influence the health of the workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ten-color full rotary press's green UV solidification equipment has green's advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a ten-color full-rotary printing machine's green UV solidification equipment, is including setting up the UV lamp stand in the frame, the UV lamp stand includes the lamp house, be equipped with UV fluorescent tube and UV lamp power in the lamp house, one side is equipped with the opening in the lamp house, be equipped with negative-pressure air pipe on the lamp house, be connected with negative-pressure air fan on the negative-pressure air pipe, negative-pressure air pipe one end intercommunication dorsad has waste gas adsorption equipment, waste gas adsorption equipment includes the waste gas tank, be equipped with the absorption subassembly in the waste gas tank, be equipped with the discharge port on the waste gas tank.

Through adopting above-mentioned technical scheme, the UV fluorescent tube shines the printing ink on the printing stock form for the drying and solidification of printing ink, negative-pressure air fan produces the volatile harmful substance of negative pressure absorption printing ink in negative-pressure air duct, and the gas that contains harmful substance passes through the adsorption component, and wherein harmful substance is adsorbed, and clean air is discharged to the air, has so not only got rid of the harmful substance in the printing workshop, has still avoided harmful substance loss to flow to the air, causes the pollution to the air.

Further, be equipped with the anti-return subassembly between exhaust gas tank and the negative-pressure air pipe, the anti-return subassembly is including setting up the anti-return section of thick bamboo between exhaust gas tank and negative-pressure air pipe, anti-return section of thick bamboo inner wall is equipped with the annular flange, still be equipped with the pivot that passes its axis setting in the anti-return section of thick bamboo, the pivot is located the annular flange towards the exhaust gas tank, it is connected with the semi-circular baffle that two symmetries set up to rotate in the pivot, be equipped with in the pivot and be used for conflicting the baffle and order about the torsional spring of baffle towards the motion.

Through adopting above-mentioned technical scheme, when adsorption equipment stop work, the corresponding baffle of contradicting respectively at torsional spring both ends, the baffle edge supports and leans on annular flange, avoids free harmful substance in the exhaust-gas tank to flow back in the printing workshop through the negative pressure tuber pipe again.

Furthermore, two the baffle all is equipped with spacing seat near pivot one side, be equipped with the spacing groove on the spacing seat, the both ends of torsional spring insert corresponding spacing inslot respectively.

Through adopting above-mentioned technical scheme, two spacing seats are spacing to the both ends of torsional spring respectively, avoid the torsional spring landing in the pivot for the torsional spring both ends are to the central department application of force of baffle, avoid the torsional spring to slide other positions of baffle, lead to inhomogeneous to the baffle application of force.

Furthermore, a discharge pipe is communicated with the discharge port, a flow isolating box is arranged at one end, back to the waste gas box, of the discharge pipe, the discharge pipe is inserted into the flow isolating box, and an exhaust pipe is arranged on the flow isolating box.

By adopting the technical scheme, on one hand, the flow separation box isolates harmful substances in the waste gas box and prevents the harmful substances from escaping into the air; on the other hand, the discharged gas is washed with water or other reaction liquid is added to further wash away harmful substances in the gas.

Furthermore, the adsorption component comprises a plurality of activated carbon screen plates arranged in the waste gas box, and the activated carbon screen plates are sequentially arranged along the flowing direction of the air flow.

Through adopting above-mentioned technical scheme, polylith active carbon otter board is to gas filtration, strengthens the adsorption effect to harmful substance in the gas.

Furthermore, a box opening is formed in the side wall of the waste gas box, a box door is hinged to the box opening, and the activated carbon screen plate is arranged in the waste gas box in a sliding mode through the box opening.

By adopting the technical scheme, when the activated carbon screen plate is saturated, the box door is opened, so that the activated carbon screen plate is convenient to replace.

Furthermore, a filter screen plate is arranged at the opening of the lamp box.

Through adopting above-mentioned technical scheme, filter plate on the one hand reducible particulate matter in the gas adheres to the UV fluorescent tube, and on the other hand also avoids when colliding other article, causes the damage to the UV fluorescent tube.

Furthermore, the lamp box is detachably mounted on the rack, and a lifting handle is arranged on the side wall of the lamp box.

By adopting the technical scheme, when the lamp box is detached, the lamp box is convenient to lift.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the waste gas adsorption device, the effects of removing harmful substances in a printing workshop, avoiding the hidden danger to the body of workers, and avoiding the air pollution caused by the escape of the harmful substances to the air can be achieved;

2. through the arrangement of the backflow prevention assembly, the effect of preventing free harmful substances in the waste gas tank from flowing back to a printing workshop through the negative pressure air pipe can be achieved;

3. through the setting of separate flow box, can play and keep apart the harmful substance in the exhaust-gas tank, avoid its effect in the loss of flow to the air.

Drawings

FIG. 1 is a schematic view showing the position of a UV curing apparatus on a frame in an embodiment;

FIG. 2 is a schematic view of an embodiment for embodying a UV curing apparatus;

FIG. 3 is a schematic view for embodying an exhaust gas adsorbing device in the embodiment;

FIG. 4 is a schematic view of an embodiment for embodying the backflow prevention assembly;

in the figure, 1, a frame; 2. a UV lamp stand; 21. a light box; 22. a filter screen plate; 23. lifting the handle; 3. an exhaust gas adsorption device; 31. an exhaust gas tank; 311. a discharge port; 32. an adsorption component; 321. an activated carbon screen plate; 33. a box door; 34. a chute; 5. a negative pressure air pipe; 6. a negative pressure fan; 7. a backflow prevention assembly; 71. a backflow prevention cylinder; 72. an annular flange; 73. a rotating shaft; 74. a partition plate; 75. a torsion spring; 76. a limiting seat; 8. a discharge pipe; 9. a flow separation box; 91. an exhaust pipe; 10. a centrifugal fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a green UV curing device of a ten-color full-wheel printing machine is shown in figures 1 and 2 and comprises a UV lamp stand 2, an exhaust gas adsorption device 3 and a flow separation box 9.

The V lamp platform 2 comprises a lamp box 21 with a cuboid structure, an opening is formed in one side face of the lamp box 21, UV lamp tubes are arranged in the lamp box 21, and a UV lamp power supply used for supplying power to the UV lamp tubes is further arranged in the lamp box 21.

The opening part of the lamp box 21 is provided with a filter screen plate 22, the filter screen plate 22 reduces particles in gas to be attached to the UV lamp tube on one hand, and protects the UV lamp tube on the other hand to prevent the UV lamp tube from colliding other articles.

The lamp box 21 is detachably mounted on the rack 1 through bolts, and the side wall of the lamp box 21 is provided with a lifting handle 23, so that the disassembled lamp box 21 is conveniently lifted.

As shown in fig. 2, a negative pressure air duct 5 is disposed between the light box 21 and the negative pressure air duct 5, and a nozzle of the negative pressure air duct 5 is disposed on a side wall of the light box 21 near an opening thereof and communicated to the inside of the light box 21. The negative pressure air pipe 5 is provided with a negative pressure fan 6, the negative pressure fan 6 is arranged on the negative pressure air pipe 5, and the negative pressure fan 6 generates negative pressure in the negative pressure air pipe 5 to extract harmful substances volatilized by the printing ink.

As shown in fig. 2 and 3, the exhaust gas adsorption device 3 includes a horizontal exhaust gas tank 31, an adsorption component 32 is disposed in the exhaust gas tank 31, and a discharge port 311 is disposed at an end of the exhaust gas tank 31 opposite to the negative pressure air duct 5. The adsorption assembly 32 includes a plurality of activated carbon mesh plates 321 sequentially disposed in the exhaust gas tank 31, the activated carbon mesh plates 321 are vertically inserted in the exhaust gas tank 31, and each activated carbon mesh plate 321 is arranged in the exhaust gas tank 31 along the flow direction of the air flow. The plurality of activated carbon mesh plates 321 fully adsorb harmful substances in the gas and prevent the harmful substances from volatilizing into the air.

A box opening is formed in the side wall of the waste gas box 31, a box door 33 is hinged to the box opening, a plurality of sliding grooves 34 are sequentially formed in the top wall and the bottom wall of the waste gas box 31 along the arrangement direction of the activated carbon screen plates 321, the top edges and the side edges of the activated carbon screen plates 321 slide into the corresponding sliding grooves 34 respectively, and the activated carbon screen plates 321 are arranged in the waste gas box 31 through the box opening in a sliding mode. With this structure, it is convenient to replace the saturated activated carbon mesh plate 321.

As shown in fig. 2 and 4, a backflow-preventing assembly 7 is disposed at a joint of the waste gas tank 31 and the negative pressure branch pipe, the backflow-preventing assembly 7 includes a backflow-preventing cylinder 71 disposed between the waste gas tank 31 and the negative pressure air pipe 5, and two ends of the backflow-preventing cylinder 71 are respectively communicated with the waste gas tank 31 and the negative pressure air pipe 5. The inner wall of the backflow-preventing cylinder 71 is provided with an annular flange 72, a rotating shaft 73 penetrating through the axis of the backflow-preventing cylinder 71 is further arranged in the backflow-preventing cylinder 71, two ends of the rotating shaft 73 are fixedly connected with the inner wall of the backflow-preventing cylinder 71 respectively, and the rotating shaft 73 is located on the annular flange 72 and faces the exhaust gas box 31. Two semicircular partition plates 74 which are symmetrically arranged are rotatably connected to the rotating shaft 73, a torsion spring 75 which is used for abutting against the partition plates 74 and driving the partition plates 74 to move towards the annular flange 72 is arranged on the rotating shaft 73, and the torsion spring 75 is sleeved on the rotating shaft 73 and is close to the center of the rotating shaft 73.

When the waste gas adsorption device 3 stops working, the two ends of the torsion spring 75 respectively abut against the corresponding partition plates 74, and the edges of the partition plates 74 abut against the annular flanges 72, so that free harmful substances in the waste gas tank 31 are prevented from flowing back to a printing workshop through the negative pressure air pipe 5.

One side of each of the two partition plates 74 close to the rotating shaft 73 is provided with a limiting seat 76, each limiting seat 76 is provided with a limiting groove, and two ends of the torsion spring 75 are respectively inserted into the corresponding limiting grooves.

The two limiting seats 76 respectively limit the two ends of the torsion spring 75, so that the torsion spring 75 is prevented from sliding on the rotating shaft 73, the two ends of the torsion spring 75 apply force to the center of the partition plate 74, and the torsion spring 75 is prevented from sliding to other positions of the partition plate 74, so that the force applied to the partition plate 74 is not uniform.

As shown in fig. 2, a discharge pipe 8 is connected to the discharge port 311, a flow blocking box 9 is provided at an end of the discharge pipe 8 opposite to the exhaust gas box 31, the discharge pipe 8 is inserted into the flow blocking box 9, and an exhaust pipe 91 is provided on the flow blocking box 9. The flow isolating box 9 injects different solutions according to specific ink, and carries out water washing or other modes on the gas passing through the adsorption device to remove residual harmful substances in the gas

The discharge pipe 8 is provided with a centrifugal fan 10, so that negative pressure is further formed in the whole device, and the negative pressure intensity in the whole device is enhanced.

The specific implementation process comprises the following steps: the rotary press is started, the UV lamp tubes are lightened and the negative pressure fan 6 is started simultaneously, the UV lamp tubes irradiate the printing ink on the printing roll paper to accelerate drying and curing of the printing ink, negative pressure generated by the negative pressure fan 6 in the negative pressure air pipe 5 absorbs harmful substances volatilized by the printing ink, the two partition plates 74 are driven to be opened under the action of negative pressure, the gas containing the harmful substances in the negative pressure air pipe 5 sequentially passes through the activated carbon screen plate 321 to adsorb the harmful substances in the gas, and then the gas is discharged into the air through the exhaust pipe 91 on the flow isolating box 9.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a ten-color full-rotary printing machine's green UV solidification equipment, is including setting up UV lamp platform (2) in frame (1), UV lamp platform (2) are including lamp house (21), be equipped with UV fluorescent tube and UV lamp power in lamp house (21), one side is equipped with opening, its characterized in that in lamp house (21): be equipped with negative-pressure air pipe (5) on lamp house (21), be connected with negative-pressure air fan (6) on negative-pressure air pipe (5), negative-pressure air pipe (5) lamp house (21) one end intercommunication dorsad has exhaust gas adsorption equipment (3), exhaust gas adsorption equipment (3) include waste gas tank (31), be equipped with in waste gas tank (31) and adsorb subassembly (32), be equipped with discharge port (311) on waste gas tank (31).

2. The green UV curing apparatus of a ten-color full-wheel press according to claim 1, wherein: be equipped with anti-return assembly (7) between exhaust gas tank (31) and negative pressure tuber pipe (5), anti-return assembly (7) are including setting up anti-return cylinder (71) between exhaust gas tank (31) and negative pressure tuber pipe (5), anti-return cylinder (71) inner wall is equipped with annular flange (72), still be equipped with pivot (73) that pass its axis setting in anti-return cylinder (71), pivot (73) are located annular flange (72) towards exhaust gas tank (31), it is connected with semi-circular baffle (74) that two symmetries set up to rotate on pivot (73), be equipped with on pivot (73) and be used for conflict baffle (74) and order about baffle (74) torsional spring (75) towards annular flange (72) direction movement.

3. The green UV curing apparatus of a ten-color full-wheel press according to claim 2, characterized in that: two baffle (74) are close to pivot (73) one side and all are equipped with spacing seat (76), be equipped with the spacing groove on spacing seat (76), the both ends of torsional spring (75) insert corresponding spacing inslot respectively.

4. The green UV curing apparatus of a ten-color full-wheel press according to claim 1, wherein: the exhaust device is characterized in that the exhaust port (311) is communicated with an exhaust pipe (8), one end, back to the waste gas tank (31), of the exhaust pipe (8) is provided with a flow isolating box (9), the exhaust pipe (8) is inserted into the flow isolating box (9), and an exhaust pipe (91) is arranged on the flow isolating box (9).

5. The green UV curing apparatus of a ten-color full-wheel press according to claim 1, wherein: the adsorption component (32) comprises a plurality of activated carbon screen plates (321) arranged in the waste gas box (31), and the activated carbon screen plates (321) are sequentially arranged along the flowing direction of the gas flow.

6. The green UV curing apparatus of a ten-color full-wheel press according to claim 5, wherein: the box mouth has been seted up on waste gas case (31) lateral wall, and articulated on the box mouth have chamber door (33), activated carbon otter board (321) slide through the box mouth and set up in waste gas case (31).

7. The green UV curing apparatus of a ten-color full-wheel press according to claim 1, wherein: the opening of the lamp box (21) is provided with a filter screen plate (22).

8. The green UV curing apparatus of a ten-color full-wheel press according to claim 1, wherein: the lamp box (21) is detachably mounted on the rack (1), and a lifting handle (23) is arranged on the side wall of the lamp box (21).