CN108621619B - Bottle body silk-screen printing process using circulating conveying working line - Google Patents
Bottle body silk-screen printing process using circulating conveying working line Download PDFInfo
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- CN108621619B CN108621619B CN201810457932.7A CN201810457932A CN108621619B CN 108621619 B CN108621619 B CN 108621619B CN 201810457932 A CN201810457932 A CN 201810457932A CN 108621619 B CN108621619 B CN 108621619B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Printing Methods (AREA)
- Specific Conveyance Elements (AREA)
- Screen Printers (AREA)
Abstract
The invention relates to a bottle body silk-screen printing process using a circulating conveying working line, which comprises the following steps of: the method comprises the steps of feeding positioning, clamping and overturning, clamping, manipulator resetting, flame treatment, pre-positioning, printing ink printing, scraper resetting, printing ink curing, gold stamping and discharging. The invention adopts an intelligent circulating line system when transmitting the printing stock, the intelligent circulating line system comprises a station circulating transmission working line and rotors, the transmission system is repeatedly positioned accurately (plus or minus 10um), clamps on the rotors are clamped once until the whole printing process is completed, and then the clamps are loosened to wait for blanking or blanking after gold stamping, a plurality of rotors can be installed on one station circulating transmission working line, the safety, reliability and low noise are realized, the overprinting precision, the printing quality and the working efficiency are improved, and in addition, the fault rate is relatively low. The ink on the bottle body is cured by ultraviolet rays or electron beams, and when the ink is used, the ink is cured by using an LED lamp with 3 to 4 hundred watts, namely the ink is on, and is on when the bottle is cured and off when the bottle is not used, so that the energy is effectively saved.
Description
Technical Field
The invention belongs to the technical field of screen printing, and relates to a bottle body screen printing process using a circulating conveying working line.
Background
As is known, in order to complete single-color or multi-color screen printing, a conventional bottle screen printing machine needs to transport a bottle (or other printing stock) from a previous station to a next station step by step through a mechanical transport mechanism, and in the transport process, the printing stock needs to be clamped and loosened many times, one color is photoprinted, and the bottle is fed to blanking, so that the bottle must be transported for ten times, and a transport error often occurs, particularly when printing a glass bottle, because the glass bottle has the characteristics of hardness and frangibility, and the edge of fragments is sharp, when the glass bottle falls off in the transport process, the glass bottle is extruded or collided by the transport mechanism, so that the bottle is damaged, cracked and the fragments are splashed, a machine or a person is seriously injured, and therefore, the transport speed cannot be too fast, the working efficiency is low, and the; because the clamping times are many, dozens of bottle clamping mechanisms simultaneously clamp bottles according to the beats, and great noise is generated; in addition, the existing screen printer adopts a 3-5 kilowatt high-pressure mercury lamp curing mode to cure the printing ink, so that the energy consumption is high, and the current environment-friendly concept of energy conservation and emission reduction is not met.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a bottle body silk-screen printing process using a circulating conveying working line.
The purpose of the invention is realized as follows:
a bottle silk-screen printing process using a circulating conveying working line comprises the following steps:
a, feeding and positioning: vertically placing the bottle bodies to be printed on a conveying belt, moving the bottle bodies to be printed along with the conveying belt to the direction of a circulating conveying working line, stopping the conveying belt from working when the bottle bodies pass through a bottle taking position of a feeding manipulator, and keeping the bottle bodies to be printed at the bottle taking position;
b, clamping and overturning: the feeding mechanical arm arranged at the tail end of the conveying belt extends out and holds the bottles to be printed tightly, and after the bottles to be printed are held tightly, the feeding mechanical arm returns and turns over the bottles to reach the upper part of the circulating conveying working line;
c, clamping and manipulator resetting: a rotor is arranged on the circulating conveying working line, a clamp arranged on the rotor is opened, when a feeding manipulator loads and conveys the bottle body to be printed to the clamp, the clamp clamps, and the feeding manipulator resets;
d, flame treatment: the clamp drives the bottle body to be printed to move along with the rotor towards the direction of the screen printing plate, and a flame gun arranged on the machine table sprays high-temperature flame to quickly heat the bottle body to be printed, wherein the heating time is 0.3-2S, and the heating temperature is 600-1500 ℃;
e, pre-positioning: the position of the bottle body to be printed is adjusted according to the area to be printed, so that preparation is made for printing ink;
f, printing ink printing and scraper resetting: the bottle body to be printed reaches the lower part of the screen printing plate, the scraper presses down to attach the screen printing plate to the bottle body to be printed, the screen printing plate is moved transversely under the pressure of 30-100N, the printing stroke is finished, and the screen printing plate and the scraper return to the original position;
g, ink curing: the clamp moves forwards continuously along with the rotor, the bottle body reaches a curing position, ultraviolet rays or electron beams arranged on the machine station cure the ink on the bottle body, the curing time is 0.3-2S, and the ink on the bottle body is dried to form a film;
h, blanking: after the printing is finished, the bottle body is removed from the circular conveying working line through the blanking mechanical arm.
In the bottle silk-screen process using the circulating conveying working line, the step f and the step g are repeatedly printed and cured according to different printing areas.
In the bottle silk-screen printing process using the circulating conveying working line, a gold stamping step is provided between the step g and the step h, and the gold stamping step specifically comprises the following steps: the clamp moves forwards continuously along with the rotor, the bottle body reaches a gold stamping position, and the gold stamping paper is rolled on a gold stamping area of the bottle body by a rubber wheel arranged on the machine table to complete gold stamping.
In the bottle silk-screen printing process using the circular conveying working line, in the step a, a laser displacement sensor or an infrared sensor is arranged on a machine table, and when the machine table detects the bottles to be printed on the conveying belt, the conveying belt stops, and the bottles to be printed reach the clamping position.
In the step b, the manipulator holds the bottle body to be printed tightly and turns backwards by 80-100 degrees according to the shape of the bottle body to be printed in the turning process to reach the specified pre-clamping position.
In the above bottle silk-screen printing process using the circular conveying working line, in the step c, the clamp is opened, the bottle to be printed enters the clamping position, and the clamp clamps the bottle to be printed.
In the above-mentioned bottle silk-screen printing process using the circular conveying working line, in the step c, the clamp is a rotary clamp which can be adjusted according to the diameter of the bottle.
In the above bottle silk-screen process using the circular conveying working line, in the step d, the raw material of the high-temperature flame is a gas mixture, and the gas mixture is a mixture of compressed air and natural gas or a mixture of compressed air and coal gas.
In the above-mentioned bottle silk-screen printing process using a circulating conveying working line, oxygen is mixed in the gas mixture.
In the bottle silk-screen printing process using the circulating conveying working line, the pre-positioning is used for detecting the position of the bottle to be printed through a visual image positioning system or a displacement sensor system.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
1. the invention is a circular conveying working line used in bottle body transmission, the core of the circular conveying working line is a linear motor magnetic suspension movement mechanism and an annular guide rail group, the linear motor magnetic suspension movement mechanism is a moving magnetic structure, a permanent magnet is a rotor, a coil plate is a stator, a servo system performs speed and position servo control on the rotor, the conveying system has high transmission speed, accurate repeated positioning (within plus or minus 10 microns), a clamp on the rotor clamps a bottle body at one time until all printing processes are completed, and then releases the bottle body to wait for blanking or blanking after gold stamping, frequent loosening, clamping and re-releasing of easy injury danger need not to be repeatedly performed midway, the mechanical action of re-clamping is safe, reliable and low in noise, and the overprinting precision, the printing quality and the printing speed are improved; in addition, the failure rate is relatively low.
2. The invention adopts ultraviolet rays or electron beams to cure the ink on the bottle body, and in practical use, 3 to 4 hundred watt LED lamps are used for curing the ink, namely the ink is bright when opened, bright when the bottle is cured, and not bright when the bottle is not used, thereby effectively saving energy.
3. The invention can integrate the functions of gold stamping, pad printing and the like, and can successfully finish printing on glass bottles with irregular shapes.
Drawings
FIG. 1 is a schematic workflow diagram of the present invention.
Detailed Description
The invention is further described by way of specific examples:
referring to fig. 1, a bottle silk-screen process using a circulating conveying working line includes the following steps:
a, feeding and positioning: vertically placing the bottle bodies to be printed on a conveying belt, moving the bottle bodies to be printed along with the conveying belt to the direction of a circulating conveying working line, stopping the conveying belt from working when the bottle bodies pass through a bottle taking position of a feeding manipulator, and keeping the bottle bodies to be printed at the bottle taking position;
b, clamping and overturning: the feeding mechanical arm arranged at the tail end of the conveying belt extends out to hold the bottles to be printed tightly, and after the bottles to be printed are held tightly, the feeding mechanical arm returns and turns over the bottles to reach the upper part of the circulating conveying working line;
c, clamping and manipulator resetting: a rotor is arranged on the circulating conveying working line, a clamp arranged on the rotor is opened, when a feeding manipulator loads and conveys the bottle body to be printed to the clamp, the clamp clamps, and the feeding manipulator resets;
d, flame treatment: the clamp drives the bottle body to be printed to move along with the rotor towards the direction of the screen printing plate, and a flame gun arranged on the machine table sprays high-temperature flame to quickly heat the bottle body to be printed, wherein the heating time is 0.3-2S, and the heating temperature is 600-1500 ℃;
e, pre-positioning: the position of the bottle body to be printed is adjusted according to the area to be printed, so that preparation is made for printing ink;
f, printing ink printing and scraper resetting: the bottle body to be printed reaches the lower part of the screen printing plate, the scraper presses down to attach the screen printing plate to the bottle body to be printed, the screen printing plate is moved transversely under the pressure of 30-100N, the printing stroke is finished, and the screen printing plate and the scraper return to the original position;
g, ink curing: the clamp moves forwards continuously along with the rotor, the bottle body reaches a curing position, ultraviolet rays or electron beams arranged on the machine station cure the ink on the bottle body, the curing time is 0.3-2S, and the ink on the bottle body is dried to form a film;
h, blanking: after the printing is finished, the bottle body is removed from the circular conveying working line through the blanking mechanical arm.
And f and g, repeatedly printing and curing according to different printing areas.
A gold stamping step is arranged between the step g and the step h, and the gold stamping method specifically comprises the following steps: the clamp moves forwards continuously along with the rotor, the bottle body reaches a gold stamping position, and the gold stamping paper is rolled on a gold stamping area of the bottle body by a rubber wheel arranged on the machine table to complete gold stamping.
In the step a, a laser displacement sensor or an infrared sensor is arranged on the machine table, and when the machine table detects the bottle bodies to be printed on the conveyor belt, the conveyor belt stops and the bottle bodies to be printed reach the clamping position.
In the step b, the manipulator tightly holds the bottle body to be printed and then turns backwards by 80-100 degrees according to the shape of the bottle body to be printed in the turning process to reach the specified pre-clamping position.
In the step c, the clamp is opened, the bottle body to be printed enters the clamping position, and the clamp clamps the bottle body to be printed.
In the step c, the clamp is a rotary clamp which can be adjusted according to the diameter of the bottle body. The size of the clamp can be flexibly adjusted according to the diameter tolerance of the bottle body, so that the bottle body can be clamped tightly when the bottle body is clamped tightly at each time, the bottle clamping gap generated by the difference of the diameters of the bottle bodies is eliminated, and the color register precision of multicolor printing is improved.
In the step d, the raw material of the high-temperature flame is a gas mixture, and the gas mixture is a mixture of compressed air and natural gas or a mixture of compressed air and coal gas.
The gas mixture is mixed with oxygen.
And the pre-positioning is used for carrying out position detection on the bottle body to be printed through a binocular vision image positioning system or a displacement sensor system.
The circular conveying working line system comprises a servo control system, an annular guide rail group, a coil plate, a rotor and a bottle body clamp arranged on the rotor, wherein the servo control system performs servo control on the rotor by utilizing the principle of a linear motor, drives or controls the accurate running and stopping positions of the rotor, and the rotor drives the clamp to run on a path defined by the annular guide rail. The linear motor magnetic suspension motion mechanism adopts a moving magnet mode, a permanent magnet is a rotor, and a coil plate is a stator. Taking printing a cylindrical glass bottle as an example, the printing mainly adopts a silk-screen process and a corresponding silk-screen mechanical structure, a bottle body to be printed is sent to a clamp arranged on a rotor of a circulating conveying working line through a feeding mechanism, the clamp clamps the bottle body, the bottle body is processed before printing and pre-positioned, then the bottle body reaches the lower part of a silk-screen printing plate and is accurately stopped at a set position, a scraper above the silk-screen printing plate is pressed downwards to attach the printing plate to the bottle body to be printed and keep a certain pressure, then the silk-screen plate is transversely moved, and a printing program is completed after a set printing distance is finished. And then, returning the scraper to the original position to wait for the next printing, driving the clamp and the bottle body to move to an LED lamp curing station by the mover, lighting the LED lamp after the LED lamp arrives, curing the ink, then moving to the next printing station until all printing and curing tasks are completed, and then exiting the circulating conveying working line and exiting the screen printing machine through the blanking mechanism.
The present invention uses a circular transfer line system for transferring bottles, the circular transfer line system comprising: the circular conveying working line is arranged on the machine table and comprises an annular guide rail set and a linear motor magnetic suspension movement mechanism, the linear motor magnetic suspension movement mechanism is in a moving magnetic mode, a permanent magnet is a rotor, and a coil plate is a stator. The linear motor magnetic suspension motion mechanism is provided with at least one rotor which circularly moves along a guide rail path, the rotor is provided with a bottle body clamp, and a servo system controls the rotor to drive a bottle body according to a set position and speed, so that the processes of flame treatment before printing, pre-positioning, various printing and decorating and the like of the bottle body are gradually finished.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. A bottle silk-screen printing process using a circulating conveying working line is characterized in that the circulating conveying working line comprises a conveyor belt, a servo control system, an annular guide rail set and a linear motor magnetic suspension movement mechanism, wherein the linear motor magnetic suspension movement mechanism comprises a rotor and a stator, the rotor is a permanent magnet, and the stator is a coil plate; the bottle body silk-screen process comprises the following steps:
a, feeding and positioning: vertically placing the bottle bodies to be printed on a conveying belt, moving the bottle bodies to be printed along with the conveying belt to the direction of a circulating conveying working line, stopping the conveying belt from working when the bottle bodies pass through a bottle taking position of a feeding manipulator, and keeping the bottle bodies to be printed at the bottle taking position;
b, clamping and overturning: the feeding mechanical arm arranged at the tail end of the conveying belt extends out to hold the bottles to be printed tightly, and after the bottles to be printed are held tightly, the feeding mechanical arm returns and turns over the bottles to reach the upper part of the circulating conveying working line;
c, clamping and manipulator resetting: a rotor is arranged on the circulating conveying working line, a clamp arranged on the rotor is opened, when a feeding manipulator loads and conveys the bottle body to be printed to the clamp, the clamp clamps, and the feeding manipulator resets;
d, flame treatment: the clamp drives the bottle body to be printed to move along with the rotor towards the direction of the screen printing plate, and a flame gun arranged on the machine table sprays high-temperature flame to quickly heat the bottle body to be printed, wherein the heating time is 0.3-2S, and the heating temperature is 600-1500 ℃;
e, pre-positioning: the position of the bottle body to be printed is adjusted according to the area to be printed, so that preparation is made for printing ink;
f, printing ink printing and scraper resetting: the bottle body to be printed reaches the lower part of the screen printing plate, the scraper presses down to attach the screen printing plate to the bottle body to be printed, the screen printing plate is moved transversely under the pressure of 30-100N, the printing stroke is finished, and the screen printing plate and the scraper return to the original position;
g, ink curing: the clamp moves forwards continuously along with the rotor, the bottle body reaches a curing position, ultraviolet rays or electron beams arranged on the machine station cure the ink on the bottle body, the curing time is 0.3-2S, and the ink on the bottle body is dried to form a film;
h, blanking: after printing is finished, the bottle bodies are removed from the circular conveying working line through a blanking manipulator;
a gold stamping step is arranged between the step g and the step h, and the gold stamping method specifically comprises the following steps: the clamp moves forwards continuously along with the rotor, the bottle body reaches a gold stamping position, and the gold stamping paper is rolled on a gold stamping area of the bottle body by a rubber wheel arranged on the machine table to complete gold stamping;
in the step b, after the feeding manipulator tightly holds the bottle body to be printed, the bottle body to be printed is turned backwards by 80-100 degrees according to different shapes of the bottle body to be printed in the turning process to reach a specified pre-clamping position;
in the step c, the clamp is opened, the bottle body to be printed enters a clamping position, the clamp clamps the bottle body to be printed, and the clamp is a rotary clamp which can be adjusted according to the diameter of the bottle body;
and the pre-positioning is used for detecting the position of the bottle body to be printed through a visual image positioning system or a displacement sensor system.
2. The process for screen printing of bottle bodies using a circulating feeding line as claimed in claim 1, wherein the steps f and g are repeatedly printed and cured according to the printing area.
3. The bottle screen printing process using the circular conveying working line as claimed in claim 1, wherein in the step a, a laser displacement sensor or an infrared sensor is arranged on a machine table, and when the machine table detects the bottles to be printed on the conveying belt, the conveying belt stops and the bottles to be printed reach a bottle taking position.
4. The bottle screen printing process using the recycling line as claimed in claim 1, wherein in the step d, the raw material of the high temperature flame is a gas mixture, and the gas mixture is a mixture of compressed air and natural gas or a mixture of compressed air and coal gas.
5. The screen printing process for bottle bodies using a circulating working line as claimed in claim 4, wherein the gas mixture is mixed with oxygen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810457932.7A CN108621619B (en) | 2018-05-14 | 2018-05-14 | Bottle body silk-screen printing process using circulating conveying working line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810457932.7A CN108621619B (en) | 2018-05-14 | 2018-05-14 | Bottle body silk-screen printing process using circulating conveying working line |
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| CN108621619A CN108621619A (en) | 2018-10-09 |
| CN108621619B true CN108621619B (en) | 2020-06-05 |
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| CN110682668B (en) * | 2019-10-23 | 2021-09-21 | 重庆洋桥玻璃制品有限公司 | Glass bottle double-sided thermal transfer printing method and system |
| JP2022072404A (en) * | 2020-10-29 | 2022-05-17 | 株式会社Ｓｃｒｅｅｎホールディングス | Printing device and printing method |
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| CN202345005U (en) * | 2011-11-18 | 2012-07-25 | 杨群生 | Circular disc vertical type screen printing device |
| CN105059945A (en) * | 2015-07-13 | 2015-11-18 | 南通大学 | Self-driven magnetic suspension curved-straight composite cyclic type transmission unit |
| CN107244141A (en) * | 2017-07-18 | 2017-10-13 | 广州市申发机电有限公司 | A kind of gold stamping all-in-one of color sixteen work station silk-screen of Automatic Control three |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6823781B2 (en) * | 2002-11-27 | 2004-11-30 | Car. Strutz & Co., Inc. | Workpiece steady for a decorating machine |
| CN203543313U (en) * | 2013-11-22 | 2014-04-16 | 广州九红印刷机械有限公司 | Rotating-disc type multicolor screen printing machine |
| CN106626736A (en) * | 2016-11-02 | 2017-05-10 | 广州九红智能装备有限公司 | Intelligent screen printing machine for special-shaped bottles |
| CN107253391A (en) * | 2017-04-28 | 2017-10-17 | 广州市申发机电有限公司 | A kind of double-colored gold stamping detection all-in-one of eight stations circular product silk-screen of full SERVO CONTROL |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202345005U (en) * | 2011-11-18 | 2012-07-25 | 杨群生 | Circular disc vertical type screen printing device |
| CN105059945A (en) * | 2015-07-13 | 2015-11-18 | 南通大学 | Self-driven magnetic suspension curved-straight composite cyclic type transmission unit |
| CN107244141A (en) * | 2017-07-18 | 2017-10-13 | 广州市申发机电有限公司 | A kind of gold stamping all-in-one of color sixteen work station silk-screen of Automatic Control three |
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