Background technology
In the prior art, a common intaglio press comprises: the copperplate drum of a copperplate attached to periphery arranged, a pattern roller that rolls and contact with the copperplate drum outer surface is with the ink foundation roller of the printing ink carried that contacts with described pattern roller outer surface rolling, the last ink device and the ink containment device of described ink foundation roller.That last ink device is carried and inject on the copperplate in the groove as pattern part attached to the printing ink of pattern roller ledge.Remove printing ink, stay printing ink in the groove and under high pressure be sent on the printing elements such as paper between copperplate drum and the printing plate cylinder, thereby finish intaglio printing attached to pattern-free part.This intaglio press is owing to be provided with ink device, ink foundation roller and pattern roller, all mode transmissions by rolling between each parts, and the transmission mechanism complexity of printing ink, and very high to the processing request of each parts, need closely to reach precision-fit between each parts.
The printing ink of alcohol dissolubility usually uses in high speed printing, because printing element is exposed in the air, has identical temperature with room temperature, and printing plate cylinder is in recycling, variation has taken place in its temperature, printing ink in process of production, temperature also changes, when the temperature of the contact-making surface of printing plate cylinder and printing element and printing ink not simultaneously, employed chemical alcohol will produce fog in the printing ink, because the printing ink of pure dissolubility is in the high speed printing process, particularly printed matter very easily occurs mist-like is arranged in the packaging for foodstuff printing place of some high requests, cause the printed patterns profile unintelligible, pattern is inexquisite, the printing effect that does not reach.Simultaneously, because the printing ink of pure dissolubility and the part of air Long contact time, the easy phenomenon of condensing, cause the waste of printing ink, if the printing ink that has solidified is transported on the copperplate drum, and be impressed on the printing element, can cause more printing complete pattern, do not reach the due standard of producing.
Summary of the invention
In order to overcome deficiency of the prior art, the purpose of this utility model provide a kind of can be anti-condensation and the printing ink intaglio printing machine of demist, the printed matter steady quality of production, effect is good, has the extremely strong market competitiveness.
The purpose of this utility model be achieved in that a kind of can be anti-condensation and the printing ink intaglio printing machine of demist, include body and control device, described body is provided with the ink containment chamber that is used for storing in process of production printing ink that an opening makes progress, wherein, described intaglio press also includes the periphery that is positioned at described ink containment chamber top and has gravure printing plate roller and printing film plate roller with the corresponding to groove of pattern form, and printing element is positioned at the centre of described gravure printing plate roller and printing film plate roller with being tensioned; The printing ink upper surface that stretches into described ink containment chamber bottom of described gravure printing plate roller; Described printing film plate roller is positioned at the top of described gravure printing plate roller and contacts with described gravure printing plate roller outer surface rolling; Front end at described gravure printing plate roller and printing film plate roller rolling contact area is provided with the ink knife that contacts with gravure printing plate roller intimate; The chamber wall in described ink containment chamber local or all adopt the thermoconductive material board system to become, the outside of the chamber wall in described ink containment chamber is provided with one or more groups refrigerating plant and one or more groups electro-heat equipment.
Described intaglio press also includes the recirculation ink pipeline, described recirculation ink pipeline is positioned at the outside in ink containment chamber, the inlet of described recirculation ink pipeline connects the bottom ink outlet port in ink containment chamber, and the outlet of described recirculation ink pipeline is positioned at inside, ink containment chamber location on the upper side; Also be provided with the printing ink circulating pump in the described recirculation ink pipeline.
Adopt of the present utility model a kind of can be anti-condensation and the printing ink intaglio printing machine of demist, owing to be provided with temperature detection probe and refrigerating plant, electro-heat equipment, the temperature of the ink temperature that arrives when the temperature detection probe detection and the contact-making surface of printing plate cylinder and printing element is not simultaneously, just can instruct all or part of unlatching of refrigerating plant or electro-heat equipment, guarantee the uniformity of temperature in printing process, avoid having the phenomenon of mist-like at the printed matter that the packaging for foodstuff printing place of some high requests very easily occurs, the printed patterns clear-cut, the pattern fineness reaches good printing effect.Simultaneously, again owing to be provided with the recirculation ink pipeline, also be provided with the printing ink circulating pump in the described recirculation ink pipeline, therefore, in whole production, printing ink is in the state of circulation all the time, can not produce and coagulate, shorten process time, enhance productivity, the press structure advantages of simple can cut down finished cost simultaneously.
The specific embodiment
Of the present utility model a kind of can be anti-condensation and the printing ink intaglio printing machine of demist, can on common intaglio press basis, improve forming, also can carry out brand-new design and exploitation.
As shown in Figure 1, of the present utility model a kind of can be anti-condensation and the printing ink intaglio printing machine of demist, include body 100 and control device, described body 100 is provided with the ink containment chamber 101 that is used for storing in process of production printing ink that an opening makes progress, wherein, described intaglio press also includes the periphery that is positioned at described ink containment chamber top and has gravure printing plate roller 10 and printing film plate roller 8 with the corresponding to groove of pattern form, and printing element is positioned at the centre of described gravure printing plate roller 10 and printing film plate roller 8 with being tensioned; The printing ink upper surface that stretches into described ink containment chamber 101 bottom of described gravure printing plate roller 8; Described printing film plate roller 8 is positioned at the top of described gravure printing plate roller 10 and contacts with described gravure printing plate roller 10 outer surfaces rolling; Front end at described gravure printing plate roller 10 and printing film plate roller 8 rolling contact areas is provided with the ink knife 9 that contacts with gravure printing plate roller 10 intimate; The chamber wall in described ink containment chamber 101 local or all adopt the thermoconductive material board system to become, the outside of the chamber wall in described ink containment chamber 101 is provided with one or more groups refrigerating plant 2 and one or more groups electro-heat equipment 3.
Described intaglio press also includes the recirculation ink pipeline, described recirculation ink pipeline is positioned at the outside in ink containment chamber 101, the inlet 5 of described recirculation ink pipeline connects the bottom ink outlet port in ink containment chamber 101, and the outlet 1 of described recirculation ink pipeline is positioned at 101 inside, ink containment chamber location on the upper side; Also be provided with printing ink circulating pump 4 in the described recirculation ink pipeline.
In the inner chamber in described ink containment chamber 101, the below of printing ink upper surface is fixed with one or more temperature detection probes 6.
The aperture that it is 50-80mm that the inlet 5 of described recirculation ink pipeline and the junction in outlet 1 and ink containment chamber 101 are two diameter ranges; Printing ink circulating pump 4 is equipped with arc-control device, and described arc-control device can adopt electronic arc-control device.
The inlet 5 of described recirculation ink pipeline is equipped with the latticed filter screen that filters the thick quarrel of printing ink, and the flow straightener with the anti-spilled and current stabilization effect of printing ink is installed in the outlet 1 of described recirculation ink pipeline.
Described refrigerating plant 2 can be a kind of piezoelectric ceramics cooling piece.
Described refrigerating plant 2 can be a kind of semiconductor cooling device.
Described refrigerating plant 2 can adopt handpiece Water Chilling Units as refrigeration host computer, described handpiece Water Chilling Units includes cooling tower, compressor and coolant ducts, described coolant ducts is installed in the outside of the chamber wall in described ink containment chamber 101, in order to cool off the printing ink in the described ink containment chamber 101.
Described electro-heat equipment 3 can be a kind of electric heating tube.
Described electro-heat equipment 3 can be the PTC electric heater unit.
As shown in Figure 1, 2, 3, the
outlet 1 of described recirculation ink pipeline is the top, be provided with circulation printing ink
flow distribution plate 11, described circulation printing ink
flow distribution plate 11 shelters from the
outlet 1 of recirculation ink pipeline and remains with the spacing that printing ink flows out, the cross sectional shape of described circulation printing ink
flow distribution plate 11 be "
" shape, the direction that promptly described circulation printing ink
flow distribution plate 11 has the printing ink that the
outlet 1 of described recirculation ink pipeline is flowed out changes the
deflecting plate 111 towards
ink containment chamber 101 into.
The global shape approximate trapezoid of described deflecting plate 111, described trapezoidal long base is connected with the inwall in ink containment chamber 101, and printing ink gushes along the edge on trapezoidal other three limits.
As shown in Figure 4, described control device can adopt single-chip microcomputer or Programmable Logic Controller as control centre 60, described control centre 60 is electrically connected with temperature detection probe 6, refrigerating plant 2, electro-heat equipment 3, described control device also includes silicon controlled rectifier transformer 12, and described silicon controlled rectifier transformer 12 is electrically connected with control centre 60.Described control device also includes lead over the ground, and the resistance to earth Standard resistance range of lead is 0.4-1 Ω over the ground.
Main utility model point of the present utility model is that innovating reform has been made in the ink containment chamber of one of printing machine ink feeding system, and its main feature is:
One, at the bottom of the ink containment chamber and trough rim the electronic cooling device be installed made cooling system;
Two, at the bottom of the ink containment chamber and trough rim the electronics device of heating be installed made temperature elevation system;
Three, the electron temperature detection probe is installed in the critical zone between ink tank printing ink and galley, the temperature that is used to detect and selects and regulate control printing ink, temperature with this constant printing ink and galley seal face prevents from mist-like to occur because of seasonal variations in temperature causes printed matter;
Four, bottom ink tank, do not influence the appropriate location of the printing machine operation and the function of motion, offer the aperture duct coupling of two about 50-80mm of diameter and do printing ink circulation adjusting with the printing ink circulating pump that installation has arc-control device.Annotate: the suction side is installed the filter screen lattice and slightly is cut, and it is that printing ink evenly disperses to give galley that output is installed the anti-spilled and flow straightener current stabilization effect of printing ink.Four, the resistance to earth of lead should be 0.4-1 Ω over the ground.
Above-mentioned listed specific implementation is nonrestrictive, and concerning the person skilled in the art of this area, in not departing from the utility model scope, various improvement and the variation carried out all belong to and fall into protection domain of the present utility model.