CN213082631U - Gravure press ink cylinder temperature and pressure control device - Google Patents
Gravure press ink cylinder temperature and pressure control device Download PDFInfo
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- CN213082631U CN213082631U CN202021054461.4U CN202021054461U CN213082631U CN 213082631 U CN213082631 U CN 213082631U CN 202021054461 U CN202021054461 U CN 202021054461U CN 213082631 U CN213082631 U CN 213082631U
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Abstract
The utility model discloses a gravure press china ink jar temperature and pressure control device relates to gravure press technical field. It includes china ink jar, constant temperature control device and constant voltage control device, its characterized in that: constant temperature control device include constant temperature hydrologic cycle heat transfer storehouse (1) and constant temperature cold water machine (14), be equipped with a circulating water outlet pipe (3) on the upper portion in constant temperature hydrologic cycle heat transfer storehouse (1), the lower part is equipped with a circulating water inlet tube (5), constant temperature cold water machine (14) left side be equipped with extrinsic cycle outlet pipe (15) and extrinsic cycle inlet tube (16) respectively, the right side is equipped with water inlet (10) and delivery port (13) respectively, water inlet (10) be connected with the joint on circulating water outlet pipe (3) through wet return (4), delivery port (13) be connected with the joint on circulating water inlet tube (5) through outlet pipe (6). The utility model discloses have energy-concerving and environment-protective, the security is high, have thermostatic control and constant voltage control's effect concurrently.
Description
Technical Field
The utility model relates to a gravure press technical field, concretely relates to gravure press china ink jar temperature and pressure control device.
Background
Ink cylinders are widely used in the printing industry, mainly for gravure presses, offset press gloss pads and flexographic printing devices. The main printing equipment in the cigarette packet printing industry is a gravure press, in the production process of the gravure press, ink (namely pigment) of different color groups is pumped from an ink cylinder by an ink pump and supplied to a printing plate roller, then the ink is transferred onto a printing material by the printing plate roller, the ink enters the next color group again after drying and is printed with another color ink, the ink is dried again, and after the printing of a plurality of color groups is repeated, exquisite printing patterns are formed on the printing material. During the printing production process, the viscosity and the fluidity of the ink change along with the change of temperature, and the higher the temperature is, the lower the viscosity is, and the higher the fluidity is. This characteristic of the ink makes the color quality of the printed matter unstable with the temperature change of the ink, and the viscosity of the ink directly affects the transfer amount of the ink on the paper, the penetration amount, the firmness and glossiness of the printed pattern, and the like. The fluidity is too high, so that the prints cannot be accurately transferred, the image-text layers are not clear, the ink color is not full, the color is not bright, and the quality of the printed products is reduced; if the fluidity is too low, the ink is not smoothly and uniformly transferred during printing, and the ink color on the same printing surface is not uniform, and the higher the temperature is, the faster the organic solvent in the printing ink is volatilized, the larger the ink viscosity is, and the lower the temperature is, the slower the organic solvent is volatilized, and the more stable the ink viscosity is.
In northern areas of China, because the temperature difference between winter and summer is too large, a printing production workshop generally adopts a constant-temperature constant-humidity air conditioner to control the temperature and the humidity, the temperature of the workshop is controlled between 18 ℃ and 25 ℃ of the optimal working environment temperature, and the influence on the printing production process is small. However, in the south, particularly in most areas of Yunnan, the climate is pleasant, spring in four seasons, the temperature difference between winter and summer is not large, an air conditioner is not basically installed in a workshop, and most of the places only adopt a humidifier to automatically control the humidity. Therefore, in the production process, along with the change of the external environment, the temperature difference in workshops in four seasons is about 20 ℃, the temperature is about 16 ℃ at the lowest in winter and about 36 ℃ at the highest in summer, and in addition, the heat generated by mechanical friction in the production process causes large ink temperature fluctuation, thereby causing adverse effects on the quality of printed products. The UV ink and the metal ink are influenced more greatly, because the UV ink is an ink which does not use a solvent and has high drying speed, the temperature is too high, the viscosity of the UV ink is low, and the plate pasting phenomenon is easy to generate after printing; the viscosity of the UV ink is high due to the excessively low temperature, and incomplete curing is easy to occur, so that the processing and production of the subsequent working procedures are affected. Particularly, after gold, silver and other metal printing inks are continuously produced for a period of time, because the printing ink particles are relatively large, a large amount of heat is generated by friction between a printing plate roller and a doctor blade, so that the temperature of the printing ink is continuously increased, when the temperature is higher than a certain value, a diluent (namely an organic solvent) can be quickly volatilized, the viscosity of the printing ink is increased, the transfer of the printing ink is influenced, the probability of the problems of 'bracing' and 'gold breaking' of products is increased, and the qualified rate of the products is influenced. Even when the ink temperature reaches a certain value, the ink will flash at the position of the doctor blade, causing a fire. It can be seen that the variation in ink temperature has a relatively large impact on the printing process.
The ink cylinder matched with the existing gravure press is not provided with a heating or refrigerating device generally, so that the temperature of the ink is unstable, and a plurality of printing problems are caused. Although the temperature and humidity in the workshop can be controlled by the constant-temperature and constant-humidity air conditioner in the prior art, the energy consumption and the production cost are increased due to too large workshop space, and the energy conservation and the environmental protection are not facilitated. Some gravure press ink cylinder heating devices are also disclosed in the prior art, but the heating is mainly carried out by directly adding an electric heating pipe on the ink cylinder, so that the electric leakage danger and the fire hazard of solvent type ink can be brought, and the safety performance of the gravure press ink cylinder is reduced. Therefore, an energy-saving, environment-friendly and safer ink cylinder temperature control device for the gravure press is urgently needed at present.
Disclosure of Invention
The above-mentioned problem to prior art existence, the utility model aims at providing an energy-concerving and environment-protective, the security is high, have constant temperature, the constant voltage control device of gravure press china ink jar of heating and refrigeration function concurrently.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gravure press china ink jar temperature and pressure control device, includes china ink jar, constant temperature control device and constant voltage control device, china ink jar upper portion be cylindricly, the lower part is leaks hopper-shaped, its characterized in that: constant temperature control device include constant temperature hydrologic cycle heat transfer storehouse and constant temperature cold water machine, constant temperature hydrologic cycle heat transfer storehouse be cylindricly, the welding is on ink jar side cylinder outer lane, is equipped with a circulating water outlet pipe on the upper portion in constant temperature hydrologic cycle heat transfer storehouse, the lower part is equipped with a circulating water inlet tube, is equipped with ball valve and joint on circulating water outlet pipe and circulating water inlet tube respectively, constant temperature cold water machine left side be equipped with extrinsic cycle outlet pipe and extrinsic cycle inlet tube respectively, the right side is equipped with water inlet and delivery port respectively, the water inlet be connected through the joint on wet return and the circulating water outlet pipe, the delivery port be connected through the joint on outlet pipe and the circulating water inlet tube.
Constant voltage control device include manometer, air-vent valve and 1 pressure regulating pipe, the pressure regulating pipe set up in the middle of the delivery port and the water inlet of constant temperature cold water machine, pressure regulating pipe UNICOM's delivery port and water inlet, the air-vent valve setting on the pressure regulating pipe, the manometer setting on the outlet pipe of constant temperature cold water machine.
Constant temperature hydrologic cycle heat transfer storehouse in be equipped with spiral helicine circulating water baffle.
The joint of the utility model is a cutting sleeve type double self-sealing joint.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the circulating water is treated to the required temperature through the heating or refrigerating action of the constant-temperature water chiller, and then the temperature of the printing ink in the ink tank can be kept constant within the range of 0-40 ℃ through the heat exchange of the constant-temperature water circulation heat exchange bin, so that the influence of the temperature change of the printing ink on the printing is eliminated. The utility model discloses a thermostatic control device both can heat and also can refrigerate, and the practicality is stronger.
2. The utility model discloses owing to department is equipped with the pressure regulating pipe of a UNICOM's delivery port and water inlet in the middle of the delivery port and the water inlet of constant temperature cold water machine, is equipped with an air-vent valve on the pressure regulating pipe, simultaneously because the outlet pipe at constant temperature cold water machine is equipped with a manometer, through the pressure on air-vent valve and the observation manometer, just can adjust the play water pressure of constant temperature cold water machine as required, constant voltage control when realizing china ink jar constant temperature hydrologic cycle.
3. Compare with direct power heating pipe heating on the china ink jar, the utility model discloses an eliminated electric leakage danger and solvent type printing ink conflagration hidden danger, improved the security.
4. Compare with at workshop installation central air conditioning, the utility model discloses energy saving and consumption reduction more, use cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the sectional view of the constant temperature water circulation heat exchange chamber of the present invention.
Fig. 3 is a schematic top view of the ink container of the present invention.
In the figure, 1-constant temperature water circulation heat exchange bin, 2-ink cylinder, 3-circulating water outlet pipe, 4-water return pipe, 5-circulating water inlet pipe, 6-water outlet pipe, 7-ball valve, 8-joint, 9-hose, 10-water inlet, 11-pressure gauge, 12-pressure regulating valve, 13-water outlet, 14-constant temperature water cooler, 15-external circulation water outlet pipe, 16-external circulation water inlet pipe, 17-circulating water partition plate and 18-pressure regulating pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a gravure press ink cylinder temperature and pressure control device, including ink cylinder 2, thermostatic water circulation heat transfer storehouse 1 and constant temperature cold water machine 14, the upper portion of ink cylinder 2 be cylindricly, the lower part is leaks hopper-shaped, thermostatic water circulation heat transfer storehouse 1 be cylindricly, the welding is on the cylindrical outer lane of 2 sides of ink cylinder, is equipped with a circulating water outlet pipe 3 on the upper portion of thermostatic water circulation heat transfer storehouse 1, and the lower part is equipped with a circulating water inlet pipe 5, is equipped with ball valve 7 and the two self-sealing joint of cutting ferrule formula 8 on circulating water outlet pipe 3 and circulating water inlet pipe 5 respectively, and thermostatic water circulation heat transfer storehouse 1 is inside to be equipped with spiral helicine circulating water baffle 17. The circulating water partition plate 17 separates the constant-temperature water circulation heat exchange bin 1 into a spiral pipeline from bottom to top, so that constant-temperature water entering from the circulating water inlet pipe 5 is fully subjected to heat exchange from bottom to top in the ink vat, then returns to the constant-temperature water cooling machine 14 from the circulating water outlet pipe 3, is subjected to constant-temperature treatment again, and is prevented from directly returning to the constant-temperature water cooling machine 14 from the circulating water outlet pipe 3 and being incapable of fully performing heat exchange with ink in the ink vat.
The left side of the constant-temperature water chiller 14 is respectively provided with an external circulation water outlet pipe 15 and an external circulation water inlet pipe 16, the right side of the constant-temperature water chiller is respectively provided with a water inlet 10 and a water outlet 13, the water inlet 10 is connected with a clamping sleeve type double self-sealing joint on the circulating water outlet pipe 3 of the ink vat 2 through a water return pipe 4, and the water outlet 13 is connected with a clamping sleeve type double self-sealing joint on the circulating water inlet pipe 5 of the ink vat 2 through a water outlet pipe 6. The temperature adjusting range in the constant temperature water chiller 14 is 0-40 ℃, and the temperature difference of the water temperature can be controlled to be +/-1 ℃ through the automatic temperature control device. The cutting sleeve type double self-sealing joint can conveniently and quickly separate the pipeline between the ink cylinder 2 and the constant-temperature water cooler 14, and constant-temperature water in the constant-temperature water circulation heat exchange bin 1 and the constant-temperature water cooler 14 cannot flow out after separation, so that the ink cylinder 2 can be cleaned conveniently or other common ink cylinders can be replaced. A pressure regulating pipe 18 communicated with the water outlet 13 and the water inlet 10 is arranged between the water outlet 13 and the water inlet 10 of the constant-temperature water chiller 14, a pressure regulating valve 12 is arranged on the pressure regulating pipe 18, a pressure gauge 11 is arranged on a water outlet pipe 6 of the constant-temperature water chiller 14, and the water outlet pressure of the constant-temperature water chiller can be adjusted as required by regulating the pressure regulating valve 12 and observing the pressure on the pressure gauge 11.
The utility model discloses a theory of operation is:
when the gravure press is in production operation, in order to control the temperature of the ink in the ink cylinder 2 to be the required temperature (generally between 20 ℃ and 40 ℃, and the temperature of most gravure ink is controlled to be about 25 ℃), a constant-temperature water circulation heat exchange bin 1 is added on the ink cylinder 2 to be used as a heat exchanger, and the temperature of the ink in the ink cylinder 2 is adjusted according to the requirement. The working temperature of the constant-temperature water cooler 14 is set according to the temperature required by the ink tank 2, and the temperature required by the ink tank 2 is stabilized at a set value through the circulating water inlet pipe 5 and the circulating water outlet pipe 3.
When the temperature of the ink is higher, the constant-temperature water cooler 14 cools through the refrigeration compressor, cools the temperature of the circulating water to the required temperature, conveys the constant-temperature water to the constant-temperature water circulation heat exchange bin 1 of the ink tank 2 through the water outlet pipe 6, takes away the heat of the ink, and conveys the heated circulating water to the constant-temperature water cooler 14 to be cooled again and then to the constant-temperature water circulation heat exchange bin 1 of the ink tank 2. The temperature generated by the refrigeration compressor is taken away through an external circulating pipeline, and the external circulating water is refrigerated through a cooling water tower.
When the temperature of the printing ink is low, the constant-temperature water cooler 14 heats the temperature of the circulating water to a required temperature through the heating device, the constant-temperature water is conveyed to the constant-temperature water circulation heat exchange bin 1 of the ink cylinder 2 through the water outlet pipe 6, the printing ink is heated, the cooled circulating water returns to the constant-temperature water cooler 14 to be heated to a constant temperature again, and then the circulating water is conveyed to the constant-temperature water circulation heat exchange bin 1 of the ink cylinder 2. The circulation can keep the temperature of the ink in the ink cylinder at the required temperature.
Claims (4)
1. The utility model provides a gravure press china ink jar temperature and pressure control device, includes china ink jar (2), constant temperature control device and constant voltage control device, china ink jar (2) upper portion be cylindricly, the lower part is hourglass hopper-shaped, its characterized in that: the constant temperature control device comprises a constant temperature water circulation heat exchange bin (1) and a constant temperature water cooler (14), the constant-temperature water circulation heat exchange bin (1) is cylindrical and is welded on the cylindrical outer ring on the side surface of the ink tank (2), a circulating water outlet pipe (3) is arranged at the upper part of the constant-temperature water circulating heat exchange bin (1), a circulating water inlet pipe (5) is arranged at the lower part, a ball valve (7) and a joint (8) are respectively arranged on the circulating water outlet pipe (3) and the circulating water inlet pipe (5), the left side of the constant temperature water chiller (14) is respectively provided with an external circulation water outlet pipe (15) and an external circulation water inlet pipe (16), the right side is respectively provided with a water inlet (10) and a water outlet (13), the water inlet (10) is connected with a joint on the circulating water outlet pipe (3) through a water return pipe (4), the water outlet (13) is connected with a joint on the circulating water inlet pipe (5) through a water outlet pipe (6).
2. The gravure press ink cylinder temperature and pressure control apparatus of claim 1, wherein: constant voltage control device include manometer (11), air-vent valve (12) and 1 pressure regulating pipe (18), pressure regulating pipe (18) set up in the middle of delivery port (13) and water inlet (10) of constant temperature cold water machine (14), pressure regulating pipe (18) UNICOM delivery port (13) and water inlet (10), pressure-vent valve (12) set up on pressure regulating pipe (18), manometer (11) set up on outlet pipe (6) of constant temperature cold water machine (14).
3. The gravure press ink cylinder temperature and pressure control apparatus of claim 1, wherein: the constant-temperature water circulation heat exchange bin (1) is internally provided with a spiral circulating water partition plate (17).
4. The gravure press ink cylinder temperature and pressure control apparatus of claim 1, wherein: the joint (8) is a clamping sleeve type double self-sealing joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054461.4U CN213082631U (en) | 2020-06-10 | 2020-06-10 | Gravure press ink cylinder temperature and pressure control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021054461.4U CN213082631U (en) | 2020-06-10 | 2020-06-10 | Gravure press ink cylinder temperature and pressure control device |
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| Publication Number | Publication Date |
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| CN213082631U true CN213082631U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021054461.4U Active CN213082631U (en) | 2020-06-10 | 2020-06-10 | Gravure press ink cylinder temperature and pressure control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879001A (en) * | 2021-11-19 | 2022-01-04 | 增和包装股份有限公司 | Printing ink barrel for printing of high-efficient accuse temperature |
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2020
- 2020-06-10 CN CN202021054461.4U patent/CN213082631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879001A (en) * | 2021-11-19 | 2022-01-04 | 增和包装股份有限公司 | Printing ink barrel for printing of high-efficient accuse temperature |
| CN113879001B (en) * | 2021-11-19 | 2022-10-11 | 增和包装股份有限公司 | Printing ink barrel for printing of high-efficient accuse temperature |
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