CN111251721A - Color engraving printing system based on multi-station color separation printing - Google Patents
Color engraving printing system based on multi-station color separation printing Download PDFInfo
- Publication number
- CN111251721A CN111251721A CN201811472256.7A CN201811472256A CN111251721A CN 111251721 A CN111251721 A CN 111251721A CN 201811472256 A CN201811472256 A CN 201811472256A CN 111251721 A CN111251721 A CN 111251721A
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- printing
- color
- main control
- module
- control unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/001—Mechanisms for bodily moving print heads or carriages parallel to the paper surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
Abstract
The invention discloses a color print printing system based on multi-station color separation printing, which comprises a main control unit, a transmission line and n single-color printing modules positioned on the transmission line; the monochrome printing module is in communication connection with the main control unit; the conveying line is provided with a sucker for absorbing canvas and is used for fixing and conveying the canvas; the n single-color printing modules are arranged along the production line and are respectively arranged on the n stations; the transmission line is driven by a transmission line driving motor, and the transmission line driving motor is controlled by the main control unit; the main control unit is provided with an image processing module and is used for directly separating the color original image into n monochromatic images and respectively sending the n monochromatic images to the monochromatic printing module, wherein the separation is the separation without changing the primary color. The color engraving printing system based on the multi-station color separation printing is easy to implement, low in cost and high in efficiency.
Description
Technical Field
The invention relates to a color print printing system based on multi-station color separation printing.
Background
In the existing color printing, each pixel point needs to be mixed based on ink of various colors to implement printing, which has extremely high requirements on the precision of a spray head and the precision of color mixing, and has low efficiency and high cost.
In addition, for works of prints, such as prints and new year prints, the printing of the works of prints is greatly different from that of ordinary picture printing, because the works of prints are generally composed of a plurality of single colors, and the colors of the works of prints are not as rich as that of ordinary color pictures.
Therefore, it is necessary to design a new printing system for images of prints.
Disclosure of Invention
The invention aims to solve the technical problem of providing a color print printing system based on multi-station color separation printing, which is easy to implement, high in efficiency and capable of saving ink.
The technical solution of the invention is as follows:
a color print printing system based on multi-station color separation printing comprises a main control unit, a transmission line and n single-color printing modules positioned on the transmission line;
the monochrome printing module is in communication connection with the main control unit;
the conveying line is provided with a sucker for absorbing canvas and is used for fixing and conveying the canvas;
the n single-color printing modules are arranged along the production line and are respectively arranged on the n stations;
the transmission line is driven by a transmission line driving motor, and the transmission line driving motor is controlled by the main control unit;
the main control unit is provided with an image processing module and is used for directly separating the color original image into n monochromatic images and respectively sending the n monochromatic images to the monochromatic printing module, wherein the separation is the separation without changing the primary color.
The main control module is connected with a memory and a communication module, and the communication module is used for acquiring colored original images.
A photoelectric switch is arranged below the monochromatic printing module; the single-color printing module is internally provided with an MCU; the photoelectric switch is connected with the MCU, and the transmission line is provided with a shading sheet; the shade cooperates with photoelectric switch and is used for confirming the position of canvas.
The main control module is connected with a display screen.
The n monochromatic printing modules are in communication connection with the main control module through a bus or a wireless communication module.
The method corresponding to the system comprises the following steps:
step 1: dividing an original image into n monochromatic images;
n is more than or equal to 2 and is a natural number;
separating the original image into n images according to the color system; sending the n images to n monochrome printing modules, respectively; separation refers to separation without changing the primary color;
step 2: printing n colors according to the transmission sequence of the canvas;
when the canvas is positioned at the ith monochromatic printing station, starting the ith color image printing; 1, 2, …, n;
and finishing the printing of a color image after the n colors are printed.
The canvas is fixed on the conveyer belt through the sucking disc and is transmitted, and n monochromatic printing stations arrange in proper order.
The single-color printing module is a printing module based on an XOY guide rail.
The printing module based on the XOY guide rail comprises an X-direction guide rail (41), a Y-direction guide rail (42), an X-direction sliding block (48), a Y-direction sliding block (47), a pigment storage tank (44) and a spray head;
the number of the X-direction guide rails is 2, and the X-direction guide rails are fixed on the rack in parallel; the X-direction sliding block is arranged on the 2X-direction guide rails and can slide along the X-direction guide rails under the action of the X-direction driving motor;
the Y-direction guide rail is fixed on the X-direction slide block; the Y-direction sliding block is arranged on the Y-direction guide rail and can slide along the Y-direction guide rail under the action of the Y-direction driving motor;
the spray head is fixed at the bottom of the Y-direction slide block;
the pigment storage tank is fixed on the frame; the pigment storage tank is used for storing pigment and thinner and comprises a pigment storage unit and a thinner storage unit; the pigment storage unit and the diluent storage unit are both connected with the spray head through independent conduits (43); 2 catheters are provided with a first proportional valve (45) and a second proportional valve (46) respectively;
the first proportional valve, the second proportional valve, the X-direction driving motor and the Y-direction driving motor are all controlled by an MCU arranged on the rack; the MCU is in communication connection with a main control unit of the printing system.
The X-direction sliding block is a square sliding block; 2Y-shaped guide rails are relatively fixed on the inner side of the square-shaped slide block. Therefore, the Y-direction sliding block is better in stability, and the stability of the spray head is better.
The conveyer belt is the hold-in range, is equipped with the pneumatic chuck that is used for adsorbing the canvas on the hold-in range.
n＜10。
And color shade control is realized through the first proportional valve and the second proportional valve.
Preferably, n is 4, and the n monochrome printing modules correspond to black, red, yellow, green and blue colors, respectively.
Advantageous effects
The color print printing system based on the multi-station color separation printing has the following characteristics:
(1) the color image printing is realized in a flow line mode by adopting a plurality of single-color printing steps, the steps are clear, and the implementation is easy.
(2) The color printing can be completed only by the ink with n colors (generally less than 5 colors) contained in the prints, and the cost is low.
(3) The shade of the color is controlled by 2 proportional valves.
(4) The system adopts X-direction double guide rails and Y-direction double guide rails, and the Y-direction slide block is arranged through the X-direction slide block in the shape of a square, so that the stability is good, and the fine printing (printing) is favorably realized.
(5) The monochrome printing module can be expanded or reduced according to needs, namely the flexible configuration of colors and stations can be realized through programming, and the flexibility is good. The present invention is embodied in the form of "programming".
In a word, the color engraving printing system based on the multi-station color separation printing is easy to implement, high in efficiency, low in cost and suitable for popularization and implementation.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a block diagram of the system of the present invention;
FIG. 3 is a schematic view of a base color printing module mechanism;
FIG. 4 is a schematic diagram of a dimming circuit;
FIG. 5 is a schematic diagram of a constant current charging circuit;
description of reference numerals: the printing method comprises the following steps of 1-conveying belt, 2-suction cup, 3-canvas and 4-primary color printing module. 41-X guide rail, 42-Y guide rail, 43-guide pipe, 44-pigment storage tank, 45-first proportional valve, 46-second proportional valve, 47-Y slide block and 48-X slide block.
Detailed Description
The invention will be described in further detail below with reference to the following figures and specific examples:
example 1: referring to fig. 1-3, a color print printing system based on multi-station color separation printing includes a main control unit, a conveying line, and n monochrome printing modules on the conveying line;
the monochrome printing module is in communication connection with the main control unit;
the conveying line is provided with a sucker for absorbing canvas and is used for fixing and conveying the canvas;
the n single-color printing modules are arranged along the production line and are respectively arranged on the n stations;
the transmission line is driven by a transmission line driving motor, and the transmission line driving motor is controlled by the main control unit;
the main control unit is provided with an image processing module and is used for directly separating the color original image into n monochromatic images and respectively sending the n monochromatic images to the monochromatic printing module, wherein the separation is the separation without changing the primary color.
The main control module is connected with a memory and a communication module, and the communication module is used for acquiring colored original images.
A photoelectric switch is arranged below the monochromatic printing module; the single-color printing module is internally provided with an MCU; the photoelectric switch is connected with the MCU, and the transmission line is provided with a shading sheet; the shade cooperates with photoelectric switch and is used for confirming the position of canvas.
The main control module is connected with a display screen.
The n monochromatic printing modules are in communication connection with the main control module through a bus or a wireless communication module.
The method corresponding to the system comprises the following steps:
step 1: dividing an original image into n monochromatic images;
n is more than or equal to 2 and is a natural number;
separating the original image into n images according to the color system; sending the n images to n monochrome printing modules, respectively; separation refers to separation without changing the primary color;
step 2: printing n colors according to the transmission sequence of the canvas;
when the canvas is positioned at the ith monochromatic printing station, starting the ith color image printing; 1, 2, …, n;
and finishing the printing of a color image after the n colors are printed.
The canvas is fixed on the conveyer belt through the sucking disc and is transmitted, and n monochromatic printing stations arrange in proper order.
The single-color printing module is a printing module based on an XOY guide rail.
The printing module based on the XOY guide rail comprises an X-direction guide rail (41), a Y-direction guide rail (42), an X-direction sliding block (48), a Y-direction sliding block (47), a pigment storage tank (44) and a spray head;
the number of the X-direction guide rails is 2, and the X-direction guide rails are fixed on the rack in parallel; the X-direction sliding block is arranged on the 2X-direction guide rails and can slide along the X-direction guide rails under the action of the X-direction driving motor;
the Y-direction guide rail is fixed on the X-direction slide block; the Y-direction sliding block is arranged on the Y-direction guide rail and can slide along the Y-direction guide rail under the action of the Y-direction driving motor;
the spray head is fixed at the bottom of the Y-direction slide block;
the pigment storage tank is fixed on the frame; the pigment storage tank is used for storing pigment and thinner and comprises a pigment storage unit and a thinner storage unit; the pigment storage unit and the diluent storage unit are both connected with the spray head through independent conduits (43); 2 catheters are provided with a first proportional valve (45) and a second proportional valve (46) respectively;
the first proportional valve, the second proportional valve, the X-direction driving motor and the Y-direction driving motor are all controlled by an MCU arranged on the rack; the MCU is in communication connection with a main control unit of the printing system.
The X-direction sliding block is a square sliding block; 2Y-shaped guide rails are relatively fixed on the inner side of the square-shaped slide block. Therefore, the Y-direction sliding block is better in stability, and the stability of the spray head is better.
The conveyer belt is the hold-in range, is equipped with the pneumatic chuck that is used for adsorbing the canvas on the hold-in range.
And color shade control is realized through the first proportional valve and the second proportional valve.
Preferably, n is 4, and the n monochrome printing modules correspond to black, red, yellow, green and blue colors, respectively.
As shown in fig. 4, an LED lamp is disposed at the printing module; the brightness adjusting circuit (namely a dimming circuit) of the LED lamp comprises an MCU, an LED lamp string, a triode, a potentiometer Rx and an A/D converter; the triode is an NPN type triode; a knob switch is arranged on the frame and is coaxially connected with the potentiometer Rx;
the potentiometer Rx and the first resistor R1 are connected in series to form a voltage division branch, one end of the voltage division branch is connected with the positive electrode Vcc of the power supply, and the other end of the voltage division branch is grounded; the connection point of the potentiometer Rx and the first resistor R1 is connected with the input end of the A/D converter; the output end of the A/D converter is connected with the data input port of the MCU;
the LED lamp string comprises a plurality of LED lamps which are connected in series; the anode of the LED lamp string is connected with the anode Vcc of the power supply; the negative electrode of the LED lamp string is connected with the C electrode of the triode, and the E electrode of the triode is grounded through a second resistor R2; the B pole of the triode is connected with the output end of the MCU. The power supply positive pole Vcc is 5V, and the A/D converter is an 8-bit serial output type converter.
The printing module is powered by a lithium battery, a circuit for charging the lithium battery is a constant-current charging circuit as shown in fig. 5, and each element or label is described as follows:
VIN + -input power supply anode. VIN-input negative pole of power supply. VOUT + -output power supply anode. VOUT-output power supply cathode. VREF + - - - - -the positive pole of the reference power supply; c1 is the input filter capacitance. C2 is the output filter capacitance. C3 is current sample feedback filtering. R1, R2, R5 and C3 form a current sampling feedback circuit. And R3 and R4 are voltage sampling feedback circuits. D1 is an isolation diode.
A constant current charging circuit comprises a constant voltage driving chip and a current feedback circuit; (1) the voltage output end of the constant voltage driving chip is a positive output end VOUT + of the constant current charging circuit; the negative output end of the constant voltage driving chip is grounded; the constant voltage driving chip is powered by a direct current voltage power supply end VIN + and VIN-; (2) the current feedback circuit comprises resistors R1, R2 and R5 and a reference voltage end VREF +; the reference voltage end VREF + is grounded through resistors R1, R2 and R5 which are sequentially connected in series; the connecting point of the resistor R5 and the resistor R2 is a negative output end VOUT < - >; the connection point of the resistors R1 and R2 is connected with the feedback terminal FB of the constant voltage driving chip. The constant current charging circuit also comprises a voltage feedback circuit; the voltage feedback circuit comprises resistors R3 and R4 and a diode D1; the resistors R3 and R4 are connected in series and then connected between the positive output end VOUT + of the constant current charging circuit and the ground; the connection point of the resistors R3 and R4 is connected with the anode of the diode D1; the cathode of the diode D1 is connected to the feedback terminal FB of the constant voltage driving chip. A capacitor C2 is connected between the positive output end VOUT + and the negative input end of the constant current charging circuit in a bridging mode. A capacitor C1 is connected across the dc voltage supply terminals VIN + and VIN-. The constant voltage driving chip adopts a ZTP7192 device. Or other constant voltage driving chips on the market. Such as MP1495, MP1593, RT8296, MC34063, FP5138 … … … ….
Description of the working principle: the stable reference power supply is used as a reference voltage, and the voltage which is equal to FB is obtained by dividing the voltage by R1, R2 and R5, so that the internal PWM of the DCDCIC is adjusted by the FB to control the magnitude of the output current. For example, when the output current becomes larger, the voltage across the sampling resistor R5 will increase, and since VRFE + is a fixed value, the FB voltage becomes larger, FB becomes larger, the duty cycle will decrease, and the output current decreases, thereby completing a complete feedback to achieve the purpose of stabilizing the current output.
Io output current has no relation to output voltage and input voltage, and is only related to vfb.r1, R2, VREF, and these parameters are fixed in the specific design (VFB is fixed in steady state, and for fp7192 constant voltage chip, the steady state value is 0.6v), so K must be a fixed value, so the equation: io K/R5 has excellent linearity and excellent controllability.
Claims (7)
1. A color print printing system based on multi-station color separation printing is characterized by comprising a main control unit, a conveying line and n single-color printing modules positioned on the conveying line;
the monochrome printing module is in communication connection with the main control unit;
the conveying line is provided with a sucker for absorbing canvas and is used for fixing and conveying the canvas;
the n single-color printing modules are arranged along the production line and are respectively arranged on the n stations;
the transmission line is driven by a transmission line driving motor, and the transmission line driving motor is controlled by the main control unit;
the main control unit is provided with an image processing module and is used for directly separating the color original image into n monochromatic images and respectively sending the n monochromatic images to the monochromatic printing module, wherein the separation is the separation without changing the primary color.
2. The color print printing system based on multi-station color separation printing according to claim 1, wherein the single-color printing module comprises an X-direction guide rail (41), a Y-direction guide rail (42), an X-direction slide block (48), a Y-direction slide block (47), a pigment storage tank (44) and a spray head;
the number of the X-direction guide rails is 2, and the X-direction guide rails are fixed on the rack in parallel; the X-direction sliding block is arranged on the 2X-direction guide rails and can slide along the X-direction guide rails under the action of the X-direction driving motor;
the Y-direction guide rail is fixed on the X-direction slide block; the Y-direction sliding block is arranged on the Y-direction guide rail and can slide along the Y-direction guide rail under the action of the Y-direction driving motor;
the spray head is fixed at the bottom of the Y-direction slide block;
the pigment storage tank is fixed on the frame; the pigment storage tank is used for storing pigment and thinner and comprises a pigment storage unit and a thinner storage unit; the pigment storage unit and the diluent storage unit are both connected with the spray head through independent conduits (43); 2 catheters are provided with a first proportional valve (45) and a second proportional valve (46) respectively;
the first proportional valve, the second proportional valve, the X-direction driving motor and the Y-direction driving motor are all controlled by an MCU arranged on the rack; the MCU is in communication connection with a main control unit of the printing system.
3. The system according to claim 2, wherein the X-direction slider is a square slider; 2Y-shaped guide rails are relatively fixed on the inner side of the square-shaped slide block.
4. The system according to claim 1, wherein the master control module is connected to a memory and a communication module, and the communication module is used for acquiring color original images.
5. The system according to claim 1, wherein a photoelectric switch is arranged below the monochromatic printing module; the single-color printing module is internally provided with an MCU; the photoelectric switch is connected with the MCU, and the transmission line is provided with a shading sheet; the shade cooperates with photoelectric switch and is used for confirming the position of canvas.
6. The system according to claim 1, wherein the main control module is connected to a display screen.
7. The color print printing system based on multi-station color separation printing according to any one of claims 1-6, wherein the n monochromatic printing modules are in communication connection with the main control module through a bus or a wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472256.7A CN111251721A (en) | 2018-12-03 | 2018-12-03 | Color engraving printing system based on multi-station color separation printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472256.7A CN111251721A (en) | 2018-12-03 | 2018-12-03 | Color engraving printing system based on multi-station color separation printing |
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| Publication Number | Publication Date |
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| CN111251721A true CN111251721A (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811472256.7A Withdrawn CN111251721A (en) | 2018-12-03 | 2018-12-03 | Color engraving printing system based on multi-station color separation printing |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518992A (en) * | 2008-02-25 | 2009-09-02 | 杭州开源电脑技术有限公司 | Spot color ink-jet printing method and device |
| CN103101303A (en) * | 2012-12-11 | 2013-05-15 | 吴江兰瑞特纺织品有限公司 | Digital printing device |
| CN106953393A (en) * | 2017-05-16 | 2017-07-14 | 东莞市巨星电池有限公司 | A kind of constant-current charging circuit, accumulation power supply and constant-current charge method |
| CN207190203U (en) * | 2017-08-18 | 2018-04-06 | 深圳市宏利泰精密科技有限公司 | A kind of Novel smart mobile phone communicates shell fragment precision die |
-
2018
- 2018-12-03 CN CN201811472256.7A patent/CN111251721A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101518992A (en) * | 2008-02-25 | 2009-09-02 | 杭州开源电脑技术有限公司 | Spot color ink-jet printing method and device |
| CN103101303A (en) * | 2012-12-11 | 2013-05-15 | 吴江兰瑞特纺织品有限公司 | Digital printing device |
| CN106953393A (en) * | 2017-05-16 | 2017-07-14 | 东莞市巨星电池有限公司 | A kind of constant-current charging circuit, accumulation power supply and constant-current charge method |
| CN207190203U (en) * | 2017-08-18 | 2018-04-06 | 深圳市宏利泰精密科技有限公司 | A kind of Novel smart mobile phone communicates shell fragment precision die |
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