CN109808327B - Stable ink-jet printing improvement method for transparent plastic cushion - Google Patents
Stable ink-jet printing improvement method for transparent plastic cushion Download PDFInfo
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- CN109808327B CN109808327B CN201910112646.1A CN201910112646A CN109808327B CN 109808327 B CN109808327 B CN 109808327B CN 201910112646 A CN201910112646 A CN 201910112646A CN 109808327 B CN109808327 B CN 109808327B
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Abstract
The invention discloses a stable ink-jet printing improvement method for a transparent plastic cushion, which is characterized in that transparent plastic cushion raw materials are cut according to process indexes, prepared, subjected to low-temperature rapid acid etching, normal-temperature solvent cleaning, high-temperature clear water washing and high-temperature air flow drying treatment in sequence, and subjected to ink-jet printing, so that the stable ink-jet printing of the transparent plastic cushion is realized on the premise of almost not losing the transparency of the plastic cushion, and the practicability and the progress are outstanding.
Description
Technical Field
The invention relates to a printing and dyeing method, in particular to an ink-jet printing and dyeing method for a transparent plastic cushion.
Background
The digital ink-jet printing technology can realize printing and dyeing of any pattern, achieves the printing effect of 'what you see is what you get', and has the advantage of being unique in the printing and dyeing industry.
At present, the digital ink jet is used for printing and dyeing of specific textile materials such as paper, silk and the like, is mature, and meets the process and use requirements in the aspects of pattern vividness, printing stability and the like. However, in other materials, such as plastic materials, the process maturity is still insufficient.
The microscopic surface of the transparent plastic cushion is smoother due to the transparent characteristic, so that the stability of the pattern printed by digital ink-jet printing cannot be guaranteed, and the technical bottleneck of applying the digital ink-jet technology to the transparent plastic material is formed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a stable ink-jet printing improvement method for a transparent plastic cushion.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
The stable ink-jet printing method for improving the transparent plastic soft pad comprises the following steps:
A. preparing materials for standby: cutting a transparent plastic cushion raw material according to technological indexes, preparing the material, calling a preset pattern after a microcomputer is started, checking the connection effectiveness of the microcomputer and a digital ink-jet printer, finally detecting the ink quantity, the size of a jet printing port and the smoothness of the jet printing port of the digital ink-jet printer, adjusting the jet printing port of the digital ink-jet printer in place according to the technological indexes after the ink quantity, the size of the jet printing port and the smoothness of the jet printing port reach standards, and starting the printer for preheating;
B. pretreatment:
b-1, rapidly performing low-temperature acid etching, namely soaking the cut transparent plastic cushion into an acid solution with the liquid temperature of 0-5 ℃, taking out the cushion after soaking for 5-10s, and placing the cushion on a stainless steel mesh screen for spraying the liquid for 15-30 s;
b-2, normal-temperature solvent cleaning: b-1, immediately transferring the transparent plastic cushion treated in the step B-1 into a first cleaning pool containing an inorganic-organic bidirectional solvent, carrying out shaking/vibration cleaning for 5-20s at the liquid temperature and normal temperature, and placing the transparent plastic cushion on a stainless steel mesh screen for spraying liquid for 15-30 s;
b-3, high-temperature clean water cleaning: b-2, immediately transferring the transparent plastic cushion treated in the step B-2 into a second cleaning pool containing clear water, wherein the liquid temperature is 60-80 ℃, and shaking/vibrating for cleaning for 5-20 s;
b-4, washing with high-temperature clear water: b-3, after the transparent plastic cushion processed in the step B-3 is converted into an upright state, carrying out double-sided washing for 5-10s through two groups of spray heads, keeping the liquid temperature at 60-80 ℃, and then keeping the upright state for spraying 15-30 s;
b-5, high-temperature airflow drying: replacing the two groups of spray headers in the step B-4 with two groups of hot air machine ports, and drying the transparent plastic cushion at the air temperature of 50-80 ℃ until no water mark exists on the two sides of the transparent plastic cushion;
C. ink-jet printing: and C, sending the transparent plastic cushion processed in the step B into a preheated digital ink jet printer, and starting an ink jet printing process through a microcomputer to finish stable ink jet printing of any specified pattern.
In step B-4, the shower head is located at the upper end 2/3 of the transparent plastic cushion at a vertical height.
As a preferable technical scheme of the invention, in the step B-4, the spray opening of the spray header is obliquely arranged upwards at an angle of 45 degrees.
In step B-5, the hot air blower port is located at the upper end 4/5 of the transparent plastic cushion at the vertical height.
As a preferable technical scheme of the invention, in the step B-5, an air outlet of the hot air machine port is obliquely and downwards arranged at an angle of 60 degrees.
As a preferred technical scheme of the invention, the method comprises the following steps:
A. preparing materials for standby: cutting a transparent plastic cushion raw material according to technological indexes, preparing the material, calling a preset pattern after a microcomputer is started, checking the connection effectiveness of the microcomputer and a digital ink-jet printer, finally detecting the ink quantity, the size of a jet printing port and the smoothness of the jet printing port of the digital ink-jet printer, adjusting the jet printing port of the digital ink-jet printer in place according to the technological indexes after the ink quantity, the size of the jet printing port and the smoothness of the jet printing port reach standards, and starting the printer for preheating;
B. pretreatment:
b-1, rapidly performing low-temperature acid etching, namely soaking the cut transparent plastic cushion into an acid solution with the liquid temperature of 0-2 ℃, taking out the cushion after soaking for 5-6s, and placing the cushion on a stainless steel mesh screen for spraying the liquid for 20 s;
b-2, normal-temperature solvent cleaning: b-1, immediately transferring the transparent plastic cushion treated in the step B-1 into a first cleaning pool containing an inorganic-organic bidirectional solvent, carrying out shaking/vibration cleaning for 10s at the liquid temperature and normal temperature, and placing the transparent plastic cushion on a stainless steel mesh screen for 20 s;
b-3, high-temperature clean water cleaning: b-2, immediately transferring the treated transparent plastic cushion into a second cleaning pool containing clear water, wherein the liquid temperature is 65 ℃, and shaking/vibrating for cleaning for 10 s;
b-4, washing with high-temperature clear water: b-3, after the transparent plastic cushion processed in the step B-3 is converted into an upright state, double-sided washing is carried out for 5-8s through two groups of spray heads, the liquid temperature is 65 ℃, and then liquid is sprayed for 25s in the upright state;
b-5, high-temperature airflow drying: replacing the two groups of spray headers in the step B-4 with two groups of hot air machine ports, drying the transparent plastic cushion at the air temperature of 70 ℃ until no water mark exists on the two sides of the transparent plastic cushion;
C. ink-jet printing: and C, sending the transparent plastic cushion processed in the step B into a preheated digital ink jet printer, and starting an ink jet printing process through a microcomputer to finish stable ink jet printing of any specified pattern.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art direct printing and dyeing, the products printed and dyed by the new process in our factory are widely applied to transparent curtains at entrances and exits of markets, the products in the old batch generally have obvious fading and fading phenomena within one week, the products in the new batch still have no obvious fading and fading after being used for half a year, the contrast difference of the new process and the old process is extremely obvious, and the products receive the consistent approval of users and the broad praise of the same company.
The process realizes stable ink-jet printing of the transparent plastic cushion on the premise of hardly losing the transparency of the plastic cushion, is pioneered in the industry, has outstanding practicability and progress, and has good market application prospect.
Drawings
FIG. 1 is a schematic view showing the printing effect of the present invention, in which the transparency is not affected at all while the printing is stabilized.
Detailed Description
The following examples illustrate the invention in detail. The raw materials and various devices used in the invention are conventional commercially available products, and can be directly obtained by market purchase.
Example 1, stock preparation standby.
Cutting a transparent plastic cushion raw material according to technological indexes, preparing the material, calling a preset pattern after a microcomputer is started, checking the connection effectiveness of the microcomputer and a digital ink-jet printer, finally detecting the ink amount, the size of a jet printing port and the smoothness of the jet printing port of the digital ink-jet printer, adjusting the jet printing port of the digital ink-jet printer in place according to the technological indexes after the ink amount, the size of the jet printing port and the smoothness of the jet printing port reach standards, and simultaneously starting and preheating.
The preheating time is usually basically matched with the pretreatment of the printing material, and the time sequence continuity of the printing process is just realized.
Example 2 pretreatment of printing material.
The method comprises the steps of firstly, carrying out low-temperature quick acid etching, namely soaking a cut transparent plastic soft pad into an acid solution with a liquid temperature of 0-2 ℃, taking out the soft pad after soaking for 5-6 seconds, and placing the soft pad on a stainless steel mesh screen for liquid spraying for 20 seconds;
and (2) washing with a normal-temperature solvent: immediately transferring the treated transparent plastic cushion into a first cleaning pool containing an inorganic-organic bidirectional solvent, performing shaking/vibration cleaning for 10s at normal temperature, and placing the transparent plastic cushion on a stainless steel mesh screen for spraying liquid for 20 s;
washing with high-temperature clear water: immediately transferring the treated transparent plastic cushion into a second cleaning pool containing clear water, and shaking/vibrating for cleaning for 10s at the liquid temperature of 65 ℃;
fourthly, washing with high-temperature clear water: after the transparent plastic cushion processed in the previous step is converted into a vertical state, double-sided washing is carried out for 5-8s through two groups of spray heads, the liquid temperature is 65 ℃, and then liquid is sprayed for 25s in the vertical state; in the vertical height, the spray head is positioned at 2/3 on the upper end of the transparent plastic cushion, and the spray opening of the spray head is arranged in an inclined upward direction of 45 degrees, so that the comprehensive washing effect of the transparent plastic cushion is more easily achieved;
fifthly, drying by high-temperature airflow: replacing the two groups of spray heads in the previous step with two groups of hot air machine ports, drying the transparent plastic cushion at the air temperature of 70 ℃ until no water mark exists on the two sides of the transparent plastic cushion; on vertical height, the air heater mouth is located transparent plastic cushion upper end 4/5 department, and the air outlet of air heater mouth is 60 oblique downwardly settings, realizes more easily like this that transparent plastic cushion weathers fast.
Example 3, inkjet printing.
The processed transparent plastic cushion is sent to a preheated digital ink-jet machine, and ink-jet printing process is started through a microcomputer to finish stable ink-jet printing of any specified pattern.
The above description is only presented as an enabling solution for the present invention and should not be taken as a sole limitation on the solution itself.
Claims (4)
1. A stable ink-jet printing improvement method for a transparent plastic cushion is characterized in that: the method comprises the following steps:
A. preparing materials for standby: cutting a transparent plastic cushion raw material according to technological indexes, preparing the material, calling a preset pattern after a microcomputer is started, checking the connection effectiveness of the microcomputer and a digital ink-jet printer, finally detecting the ink quantity, the size of a jet printing port and the smoothness of the jet printing port of the digital ink-jet printer, adjusting the jet printing port of the digital ink-jet printer in place according to the technological indexes after the ink quantity, the size of the jet printing port and the smoothness of the jet printing port reach standards, and starting the printer for preheating;
B. pretreatment:
b-1, rapidly performing low-temperature acid etching, namely soaking the cut transparent plastic cushion into an acid solution with the liquid temperature of 0-5 ℃, taking out the cushion after soaking for 5-10s, and placing the cushion on a stainless steel mesh screen for spraying the liquid for 15-30 s;
b-2, normal-temperature solvent cleaning: b-1, immediately transferring the transparent plastic cushion treated in the step B-1 into a first cleaning pool containing an inorganic-organic bidirectional solvent, carrying out shaking/vibration cleaning for 5-20s at the liquid temperature and normal temperature, and placing the transparent plastic cushion on a stainless steel mesh screen for spraying liquid for 15-30 s;
b-3, high-temperature clean water cleaning: b-2, immediately transferring the transparent plastic cushion treated in the step B-2 into a second cleaning pool containing clear water, wherein the liquid temperature is 60-80 ℃, and shaking/vibrating for cleaning for 5-20 s;
b-4, washing with high-temperature clear water: b-3, after the transparent plastic cushion processed in the step B-3 is converted into an upright state, carrying out double-sided washing for 5-10s through two groups of spray heads, keeping the liquid temperature at 60-80 ℃, and then keeping the upright state for spraying 15-30 s;
b-5, high-temperature airflow drying: replacing the two groups of spray headers in the step B-4 with two groups of hot air machine ports, and drying the transparent plastic cushion at the air temperature of 50-80 ℃ until no water mark exists on the two sides of the transparent plastic cushion;
C. ink-jet printing: c, sending the transparent plastic cushion processed in the step B into a preheated digital ink jet printer, and starting an ink jet printing process through a microcomputer to finish stable ink jet printing of any specified pattern;
in the step B-4, the spray opening of the spray header is obliquely arranged upwards at an angle of 45 degrees; in the step B-5, the air outlet of the hot air machine port is obliquely arranged downwards at an angle of 60 degrees.
2. The improved method of claim 1, further comprising the steps of: in step B-4, the showerhead is located at the upper end 2/3 of the clear plastic cushion at a vertical height.
3. The improved method of claim 1, further comprising the steps of: in step B-5, the hot air blower port is located at the upper end 4/5 of the transparent plastic cushion at a vertical height.
4. The improved method of claim 1, further comprising the steps of: the method comprises the following steps:
A. preparing materials for standby: cutting a transparent plastic cushion raw material according to technological indexes, preparing the material, calling a preset pattern after a microcomputer is started, checking the connection effectiveness of the microcomputer and a digital ink-jet printer, finally detecting the ink quantity, the size of a jet printing port and the smoothness of the jet printing port of the digital ink-jet printer, adjusting the jet printing port of the digital ink-jet printer in place according to the technological indexes after the ink quantity, the size of the jet printing port and the smoothness of the jet printing port reach standards, and starting the printer for preheating;
B. pretreatment:
b-1, rapidly performing low-temperature acid etching, namely soaking the cut transparent plastic cushion into an acid solution with the liquid temperature of 0-2 ℃, taking out the cushion after soaking for 5-6s, and placing the cushion on a stainless steel mesh screen for spraying the liquid for 20 s;
b-2, normal-temperature solvent cleaning: b-1, immediately transferring the transparent plastic cushion treated in the step B-1 into a first cleaning pool containing an inorganic-organic bidirectional solvent, carrying out shaking/vibration cleaning for 10s at the liquid temperature and normal temperature, and placing the transparent plastic cushion on a stainless steel mesh screen for 20 s;
b-3, high-temperature clean water cleaning: b-2, immediately transferring the treated transparent plastic cushion into a second cleaning pool containing clear water, wherein the liquid temperature is 65 ℃, and shaking/vibrating for cleaning for 10 s;
b-4, washing with high-temperature clear water: b-3, after the transparent plastic cushion processed in the step B-3 is converted into an upright state, double-sided washing is carried out for 5-8s through two groups of spray heads, the liquid temperature is 65 ℃, and then liquid is sprayed for 25s in the upright state;
b-5, high-temperature airflow drying: replacing the two groups of spray headers in the step B-4 with two groups of hot air machine ports, drying the transparent plastic cushion at the air temperature of 70 ℃ until no water mark exists on the two sides of the transparent plastic cushion;
C. ink-jet printing: and C, sending the transparent plastic cushion processed in the step B into a preheated digital ink jet printer, and starting an ink jet printing process through a microcomputer to finish stable ink jet printing of any specified pattern.
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