CN112455067A - Printing machine anti-static auxiliary device and method - Google Patents
Printing machine anti-static auxiliary device and method Download PDFInfo
- Publication number
- CN112455067A CN112455067A CN202011335615.1A CN202011335615A CN112455067A CN 112455067 A CN112455067 A CN 112455067A CN 202011335615 A CN202011335615 A CN 202011335615A CN 112455067 A CN112455067 A CN 112455067A
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- printing
- static electricity
- wire
- plate
- screen printing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/12—Machines with auxiliary equipment, e.g. for drying printed articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
Abstract
The invention discloses an anti-static auxiliary device and method for a printing machine, which comprises the following steps: the printing device body is provided with the plummer on the printing device body, the top of plummer is provided with the silk screen printing board, the silk screen printing board includes the bottom plate, be provided with electrostatic measurement device on the bottom plate, the inside wire that is equipped with that inlays of bottom plate, the one end of wire is connected with the power, the one side of the netted wire that sets up in the gluey portion of silk screen printing board is connected to the other end of wire one to still be provided with the contact point in one side of netted wire, the power is connected with wire two, the one end fixed connection of wire two is overhead at the. The static electricity quantity on the printed matter is measured and measured through the static electricity measuring device, so that the positive and negative sum of the voltage to be applied is determined, the static electricity on the printed matter is removed, the printing quality is guaranteed, and the ink can be uniformly printed on the surface of the printed matter.
Description
Technical Field
The invention relates to the field of printing devices, in particular to an anti-static auxiliary device and method for a printing machine.
Background
The main cause of static electricity generation is friction. When two solid materials come into contact and rapidly leave, one of the materials has a large ability to adsorb electrons and transfer the electrons to the surface of the material, the surface that acquires the electrons exhibits a negative charge, and the other surface that loses the surface of the electrons has a positive charge. Static electricity is a great hazard to printing.
Damage to print quality:
firstly, fluffing phenomenon caused by static electricity: when the image-text part, the solid part and the thick line of the large letter are printed, the hairy ink splashes, and the line-shaped ink flies like a beard.
Secondly, the phenomenon of missing printing caused by static electricity: printing failure or printing failure in place due to the influence of static electricity around some pictures and texts to cause missing printing; when the white ink is laid on the bottom, the white ink is repelled to cause gaps.
Thirdly, pattern and text spots caused by static electricity: the phenomenon of electrostatic dust collection, dust impurities are adsorbed on the film, and a plurality of uneven spots appear on the pictures and texts after printing.
Fourthly, the static electricity causes the speckle phenomenon: the spots with different shapes are formed on the large-area pattern part, and the phenomenon of improvement is not generated when the embossing rubber roller is adjusted.
Fifthly, static electricity causes 'lacrimation' shaped water drops: when full-page printing is carried out, multi-color overprinting appears like 'tears', and the printing quality is light and heavy. The machine speed is not easy to appear when the machine speed is slow, and the machine speed is high.
Since static electricity has various adverse effects on printing, it is necessary to provide a static electricity eliminating device on a printing apparatus.
Disclosure of Invention
The invention provides an anti-static auxiliary device and method for a printing machine, aiming at solving the technical problem of static generated by friction in printing in the prior art.
A printer static-free assist apparatus comprising: the printing device body is provided with the plummer on the printing device body, still be provided with electrostatic measurement device on the printing device body, the top of plummer is provided with the silk screen printing board, the silk screen printing board includes the bottom plate, the inside wire that is equipped with that inlays of bottom plate, the one end of wire is connected with the power, the one side of the netted wire that sets up in the gluey portion of sealing of silk screen printing board is connected to the other end of wire one to still be provided with the contact point in one side of netted wire, the power is connected with wire two, the one end fixed connection of wire two is overhead in.
Furthermore, the silk screen printing plate also comprises a printing part, the printing part is surrounded by the real-time glue sealing part, and a frame is surrounded at the periphery of the glue sealing part.
Furthermore, one end of the screen printing plate is fixedly connected with a second lifting plate, the second lifting plate is in threaded connection with a second lead screw, and the tail end of the second lead screw is fixedly connected with a second motor.
Furthermore, the printing head is arranged above the square screen printing plate, one end of the printing head is fixedly connected with a hydraulic rod, and the hydraulic rod is arranged on the hydraulic device.
Furthermore, one end of the hydraulic device is fixedly connected with a lifting frame, a first lifting plate is fixedly connected with one end of the lifting frame, the first lifting plate is in threaded connection with a first lead screw, a check block is fixedly connected with the first lead screw, a first motor is arranged at the other end of the first lead screw, a second guide rail is further arranged on the lifting frame, and the hydraulic device performs transverse movement along the second guide rail.
Furthermore, the first lifting plate and the second lifting plate are both provided with through holes, and guide posts are connected in the through holes in a sliding mode.
Furthermore, still be provided with first guide rail and third guide rail on the printing device body, the crane moves along first guide rail, and the silk screen printing board moves along the third guide rail.
Furthermore, one side of the bearing table is provided with a feeding conveying device, the other side of the bearing table is provided with a discharging conveying device, one side of the feeding conveying device is provided with a hydraulic cylinder, and the output end of the hydraulic cylinder is provided with a push plate.
A static electricity eliminating method for a printing device comprises the following steps,
s1: feeding, wherein the push plate pushes the printed matter to move to the bearing table;
s2: presetting power supply voltage, pressing down a screen printing plate, measuring the quantity of static electricity generated by friction of a printed object by using a static electricity measuring device, presetting power supply input voltage I, driving a printing head to fall by using a hydraulic device, enabling the printing head to be in contact connection with a contact point, driving the printing head to transversely move by using the pressing device to finish printing operation, measuring the static electricity generated by friction on the surface of the printed object again, and presetting power supply input voltage II;
s3: production, after the preset power voltage is finished, the printing operation is finished under the preset power voltage, the printing head is driven by the pressing device to move transversely, the printing operation is finished, the screen printing plate is lifted, and the hydraulic cylinder works to drive the push plate to push the printed matter to the discharging conveying device.
Further, when the printed matter is easy to obtain electrons, the power supply voltage is negative, and when the printed matter is easy to volatilize electrons, the power supply voltage is positive.
The invention has the advantages and beneficial effects that:
the invention mainly measures the static quantity generated when the printed matter is pushed onto the bearing table by the pushing plate through the static measuring device, and determines the first input voltage according to the static quantity generated; then, the static electricity quantity generated when the printing head works is measured through the static electricity measuring device to determine the second input voltage, the lost electrons on the printed matter are taken back through the input voltage of the power supply, or the electrons obtained on the printed matter are repelled to leave again, so that the static electricity on the printed matter is eliminated, after the test is finished, the first input voltage and the second input voltage which are set are adopted for the printing of the same batch, the subsequent production does not need to be measured, the printing work can be rapidly carried out, and the subsequent printing work can be smoothly finished
Drawings
FIG. 1 is a schematic front view of an anti-static auxiliary device of a printing press according to an embodiment of the present invention;
FIG. 2 is a left side view of an anti-static auxiliary device of a printing press according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a screen printing plate according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a screen printing plate according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a front view of a screen printing plate according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a screen printing plate according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a variation of a power supply voltage according to an embodiment of the invention.
In the figure: 1. a printing device body; 2. a first guide rail; 3. a lifting frame; 31. a stopper; 32. a first lead screw; 33. a first lifter plate; 34. a first motor; 4. a second guide rail; 5. a hydraulic device; 51. a hydraulic lever; 6. a print head; 7. a third guide rail; 8. screen printing; 81. a second lead screw; 82. a second lifter plate; 83. a second motor; 84. a base plate; 85. a glue sealing part; 86. a printing section; 87. a frame; 88. a mesh wire; 9. a discharge conveyor; 10. a bearing table; 11. a base; 12. a feed conveyor; 13. printing; 14. pushing the plate; 15. a hydraulic cylinder; 16. a static electricity removing device; 161. a first lead; 162. a power source; 163. (ii) a A second conducting wire; 164. an electrostatic measuring device; 165. a point of contact.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1-6, an anti-static auxiliary device for a printing machine includes a printing device body 1, wherein a bearing table 10 is disposed on the printing device body 1, a static electricity measuring device 164 is further disposed on the printing device body 1, a screen printing plate 8 is disposed above the bearing table 10, a feeding and conveying device 12 is disposed on the left side of the bearing table 10, a discharging and conveying device 9 is disposed on the right side of the bearing table 10, a hydraulic cylinder 15 is fixedly connected to one side of the feeding and conveying device, and a pushing plate 14 is disposed at an output end of the hydraulic cylinder 15. The screen printing plate 8 comprises a base plate 84 and a static electricity measuring device 164 for measuring static electricity on the printed matter 13.
Further, the screen printing plate 8 comprises a bottom plate 84, a first lead 161 is embedded in the bottom plate 84, one end of the first lead 161 is connected with a power supply 162, the other end of the first lead 161 is connected to one side of a mesh lead 88 arranged inside a glue sealing portion 85 of the screen printing plate 8, a contact point 165 is further arranged on one side of the mesh lead 88, the power supply 162 is connected with a second lead 163, and one end of the second lead 163 is fixedly connected to the printing head 6. The screen printing plate further comprises a printing portion 86, the printing portion 86 is surrounded by the glue sealing portion 85, and a frame 87 is arranged around the periphery of the glue sealing portion 85.
Further, one end of the screen printing plate 8 is fixedly connected with a second lifting plate 82, the second lifting plate 82 is in threaded connection with a second lead screw 81, and the tail end of the second lead screw 81 is fixedly connected with a second motor 83. The printing head 6 is arranged above the screen printing plate 8, one end of the printing head 6 is fixedly connected with a hydraulic rod 51, and the hydraulic rod 51 is arranged on the hydraulic device 5. The one end fixedly connected with crane 3 of hydraulic means 5, at the first lifter plate 33 of the one end fixedly connected with of crane 3, first lifter plate 33 threaded connection has first lead screw 32, the one end fixedly connected with dog 31 of first lead screw 32, the other end of first lead screw 32 is provided with first motor 34, still is provided with second guide rail 4 on the crane 3, and hydraulic means 5 carries out lateral motion along second guide rail 4. The first lifting plate 33 and the second lifting plate 82 are both provided with through holes, and guide posts are slidably connected in the through holes. Still be provided with first guide rail 2 and third guide rail 7 on the printing device body 1, crane 3 carries out the up-and-down motion of vertical direction along first guide rail 2, and silk screen printing board 8 carries out the up-and-down motion of vertical direction along third guide rail 7. That is, the print head 6 can be driven by the first motor 34 and the transmission device arranged inside the lifting frame 3 to move horizontally up and down and left and right above the screen printing plate 8.
Preferably, the bottom surface of the print head 6 is provided with a scraper, wherein the scraper is provided with a conductive metal, such as copper, and the metal material of the scraper is not limited herein, and only needs to meet the use requirement. The base plate is electrically connected to a second lead 163 fixedly connected to the print head 6, i.e. the second lead 163 is capable of conducting current from the power source to the squeegee. Wherein, the first lead 161, the second lead 163, the power source 162, the static electricity measuring device 164, the mesh lead 88 and the print head 6 constitute a static electricity removing device. When the hydraulic cylinder 15 pushes the push plate 14 to push the printed matter 13 from the upper surface of the feeding conveyer 12 to the upper surface of the bearing table 10, and a certain amount of static electricity is generated due to friction in the process that the printed matter 13 moves from the upper surface of the feeding conveyer 12 to the upper surface of the bearing table 10, at this time, the static electricity measuring device 164 measures the static electricity amount on the surface of the printed matter 13, wherein the static electricity measuring device 164 can be an infrared static electricity measuring instrument, and the selection of the device is determined according to actual production requirements, as long as the static electricity amount on the surface of the printed matter 13 can be measured. After the measurement of the electrostatic amount on the surface of the printed matter 13, the power supply 162 sets an input voltage of one according to the measured electrostatic data, and at this time, if electrons are taken by the printed matter 13 due to friction so that the surface of the printed matter 13 is negatively charged, the power supply is controlled to supply negative electricity, and by supplying a voltage amount matching the measured electrostatic amount, the electrons are repelled from the printed matter 13 by the negative electricity; at this time, if the printed matter 13 loses electrons due to friction, so that the surface of the printed matter 13 is positively charged, the power supply is controlled to supply positive electricity, and the electrons are attracted back to the surface of the printed matter 13 under the adsorption of the positive electricity by supplying a voltage amount matched with the measured static electricity amount. The two cases described above are two cases of the voltage of the blade of the print head 6 at the time of contacting the contact point 165, that is, two cases of the power supply input voltage one.
Further, when the printing head 6 drives the squeegee to rub against the rubber seal portion 85 and the printing portion 86 for printing, static electricity is generated due to the rubbing, and the static electricity affects the adhesion of ink to the printed matter 13, so that the printing quality is degraded. At this time, the static electricity measuring device 164 measures the amount of static electricity generated by the print head 6 during rubbing on the screen plate 8, and the power supply 162 sets the input voltage two according to the measured static electricity data, and at this time, if the printed matter 13 takes electrons due to rubbing so that the surface of the printed matter 13 is negatively charged, the power supply is controlled to supply negative electricity, and the electrons are repelled from the printed matter 13 by supplying a voltage amount matching the measured static electricity amount; at this time, if the printed matter 13 loses electrons due to friction, so that the surface of the printed matter 13 is positively charged, the power supply is controlled to supply positive electricity, and the electrons are attracted back to the surface of the printed matter 13 under the adsorption of the positive electricity by supplying a voltage amount matched with the measured static electricity amount. The two cases described above are two cases in which the squeegee of the print head 6 moves in the seal portion 85 and the printing portion 86, that is, two cases in which the power supply inputs the voltage two. Referring to fig. 7, one of the changes of the input voltage of the power source and the input voltage of the power source is shown, and the actual operation changes according to the nature of the printed matter 13, and the rest changes also fall into the protection scope of the present invention.
A static electricity eliminating method for a printing device comprises the following steps,
s1: feeding, wherein the push plate pushes the printed matter to move to the bearing table;
s2: presetting power supply voltage, pressing down a screen printing plate, measuring the quantity of static electricity generated by friction of a printed object by using a static electricity measuring device, presetting power supply input voltage I, driving a printing head to fall by using a hydraulic device, enabling the printing head to be in contact connection with a contact point, driving the printing head to transversely move by using the pressing device to finish printing operation, measuring the static electricity generated by friction on the surface of the printed object again, and presetting power supply input voltage II;
s3: production, after the preset power voltage is finished, the printing operation is finished under the preset power voltage, the printing head is driven by the pressing device to move transversely, the printing operation is finished, the screen printing plate is lifted, and the hydraulic cylinder works to drive the push plate to push the printed matter to the discharging conveying device.
In the printing of a batch of materials, the power supply voltage required by the batch of materials can be determined only according to the first charging property and the static quantity, that is, the static quantity measurement and other work are not required in the subsequent production certificate of the same batch of production, that is, the printing operation can be completed more quickly. Compared with the prior art that the static electricity prevention is realized by controlling the indoor temperature and humidity conditions, the method provided by the invention is more accurate, and the printing quality of the whole printing process can be ensured to a certain extent by only measuring once in the production of materials in the same batch.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1. An anti-static auxiliary device for a printing machine, comprising: the printing device comprises a printing device body, be provided with the plummer on the printing device body, still be provided with electrostatic measurement device on the printing device body, the top of plummer is provided with the silk screen printing board, the silk screen printing board includes the bottom plate, the inside wire that is equipped with that inlays of bottom plate, the one end of wire is connected with the power, the other end of wire is connected one side of the netted wire that sets up in the gluey portion that seals of silk screen printing board, and one side of netted wire still is provided with the contact point, the power is connected with wire two, the one end fixed connection of wire two is in print overhead.
2. The static electricity prevention auxiliary device for printing machine according to claim 1,
the silk screen printing board further comprises a printing portion, the printing portion is surrounded by the glue sealing portion, and the frame is surrounded at the periphery of the glue sealing portion.
3. The static electricity prevention auxiliary device for printing machine according to claim 1,
one end of the screen printing plate is fixedly connected with a second lifting plate, the second lifting plate is in threaded connection with a second lead screw, and the tail end of the second lead screw is fixedly connected with a second motor.
4. A printer electrostatic prevention auxiliary device according to claim 3,
the printing head is arranged above the square screen printing plate, one end of the printing head is fixedly connected with a hydraulic rod, and the hydraulic rod is arranged on a hydraulic device.
5. The static electricity prevention auxiliary device for printing machine according to claim 4,
the hydraulic device's one end fixedly connected with crane the first lifter plate of one end fixedly connected with of crane, first lifter plate threaded connection has first lead screw, a fixedly connected with dog of first lead screw, the other end of first lead screw is provided with first motor, still be provided with the second guide rail on the crane, hydraulic device along the second guide rail carries out lateral motion.
6. The static electricity prevention auxiliary device for printing machine according to claim 5,
the first lifting plate and the second lifting plate are provided with through holes, and guide columns are connected in the through holes in a sliding mode.
7. The static electricity prevention auxiliary device for printing machine according to claim 5,
still be provided with first guide rail and third guide rail on the printing device body, the crane moves along first guide rail, the silk screen printing board along the third guide rail moves.
8. The static electricity prevention auxiliary device for printing machine according to claim 5,
one side of plummer is provided with feeding conveyer, the opposite side of plummer is provided with ejection of compact conveyer, one side of feeding conveyer is provided with the pneumatic cylinder, the output of pneumatic cylinder is provided with the push pedal.
9. A static electricity eliminating method for a printing device comprises the following steps,
s1: feeding, wherein the push plate pushes the printed matter to move to the bearing table;
s2: presetting power supply voltage, pressing down a screen printing plate, measuring the quantity of static electricity generated by friction of a printed object by using a static electricity measuring device, presetting power supply input voltage I, driving a printing head to fall by using a hydraulic device, enabling the printing head to be in contact connection with a contact point, driving the printing head to transversely move by using the pressing device to finish printing operation, measuring the static electricity generated by friction on the surface of the printed object again, and presetting power supply input voltage II;
s3: production, after the preset power voltage is finished, the printing operation is finished under the preset power voltage, the printing head is driven by the pressing device to move transversely, the printing operation is finished, the screen printing plate is lifted, and the hydraulic cylinder works to drive the push plate to push the printed matter to the discharging conveying device.
10. The printing apparatus static discharge method according to claim 9,
when the printed matter is easy to obtain electrons, the power supply voltage is negative, and when the printed matter is easy to obtain electrons, the power supply voltage is positive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011335615.1A CN112455067A (en) | 2020-11-25 | 2020-11-25 | Printing machine anti-static auxiliary device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011335615.1A CN112455067A (en) | 2020-11-25 | 2020-11-25 | Printing machine anti-static auxiliary device and method |
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| CN112455067A true CN112455067A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011335615.1A Pending CN112455067A (en) | 2020-11-25 | 2020-11-25 | Printing machine anti-static auxiliary device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561627A (en) * | 2021-07-26 | 2021-10-29 | 赣州惠彩印刷有限公司 | Printing machine capable of inhibiting ink flying phenomenon |
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| JP2000168039A (en) * | 1998-12-04 | 2000-06-20 | Newlong Seimitsu Kogyo Kk | Through-hole printing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113561627A (en) * | 2021-07-26 | 2021-10-29 | 赣州惠彩印刷有限公司 | Printing machine capable of inhibiting ink flying phenomenon |
| CN113561627B (en) * | 2021-07-26 | 2022-08-09 | 赣州惠彩印刷有限公司 | Printing machine capable of inhibiting ink flying phenomenon |
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Application publication date: 20210309 |