CN211542777U - Flat screen printing machine and control system - Google Patents
Flat screen printing machine and control system Download PDFInfo
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- CN211542777U CN211542777U CN201922056497.XU CN201922056497U CN211542777U CN 211542777 U CN211542777 U CN 211542777U CN 201922056497 U CN201922056497 U CN 201922056497U CN 211542777 U CN211542777 U CN 211542777U
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Abstract
The utility model provides a flat screen printing machine and a control system, wherein the flat screen printing machine comprises a control device, an operation panel and a plurality of printing head devices, wherein the operation panel is electrically connected with the control device; the control device comprises a main control chip, a bus driver and an interface circuit, wherein the bus driver and the interface circuit are electrically connected with the main control chip; the data transmission port of the master control chip is connected with the bus driver and is connected to the slave station PLC through the bus driver and the communication bus; the operation panel and the plurality of printing head devices are connected to the signal transmission port of the main control chip through an interface circuit. The embodiment of the utility model provides a flat screen printer can simplify the interconnecting link between printer head device and the slave station PLC, is convenient for install, manage and maintain.
Description
Technical Field
The utility model relates to a calico printing machine technical field especially relates to a flat screen printing machine and control system.
Background
At present, the flat screen printing machines on the market generally use a PLC as a controller, and complete machine control is carried out by adopting a master-slave communication mode. The multicolor flat screen printing machine is provided with a plurality of printing head devices, each printing head device is provided with a manual control button, a detection element, a display device, an execution element and other switching value devices, all the devices need to be connected to an IO port of a slave station PLC, the slave station PLC is connected to a master station PLC to receive control signals of the printing head devices, and the slave station PLC outputs the control signals to each printing head device to realize the control of the printing head devices. Specifically, each print head device needs a separate signal for control, one transmission wire for each signal, and thus a plurality of signal transmission wires need to be arranged between each print head device and the slave PLC. Because the distance between each printer head device and the slave station PLC is far away, the number of signal lines needing to be connected is large, and a plurality of signal lines need to pass through a plurality of moving parts, so that the problems of complicated connecting lines, more signal line nodes, more potential fault points, inconvenience in installation, management, maintenance and the like exist.
SUMMERY OF THE UTILITY MODEL
For the problem that exists among the prior art of overcoming, the embodiment of the utility model provides a flat screen printing machine for it is complicated to solve interconnecting link between former flat screen printing machine's printer head device and the control station, and the signal line node is many, the technical problem of installation, management and maintenance not convenient for.
According to an aspect of an embodiment of the present invention, there is provided a flat screen printing machine, including a control device, an operation panel electrically connected to the control device, and a plurality of print head devices; the control device comprises a main control chip, a bus driver and an interface circuit, wherein the bus driver and the interface circuit are electrically connected with the main control chip; the data transmission port of the master control chip is connected with the bus driver and is connected to the slave station PLC through the bus driver and the communication bus; the operation panel and the plurality of printing head devices are connected to the signal transmission port of the main control chip through an interface circuit.
The embodiment of the utility model provides a flat screen printer can simplify the interconnecting link between printer head device and the slave station PLC, is convenient for install, manage and maintain.
In an alternative embodiment, the bus driver is a 485 module; the communication bus is a 485 bus matched with the 485 module.
In an alternative embodiment, the 485 module has a data transmission port and an enable signal port; the data transmission port of the 485 module is connected with the data signal transmission port of the main control chip; and the enabling signal port of the 485 module is connected with the enabling trigger port of the main control chip.
In an optional embodiment, a display screen is arranged on the operation panel; the interface circuit comprises a display driving circuit; the display screen is connected to the signal output port of the main control chip through the display driving circuit.
In an optional embodiment, a keyboard is further arranged on the operation panel; the interface circuit also comprises a key input circuit; the keyboard is connected to the signal input port of the main control chip through the key input circuit.
In an alternative embodiment, the print head arrangement includes a printing component; the printing and dyeing component is connected to the signal output port of the main control chip through a printing and dyeing driving circuit and an interface circuit.
In an alternative embodiment, the print driver circuit is a power amplifier circuit.
In an alternative embodiment, the print head arrangement further comprises a detection element; the detection element is connected to a signal input port of the main control chip.
In an optional embodiment, the detection element comprises a proximity switch, a magnetic switch and a coding switch which are respectively electrically connected with the main control chip.
According to another aspect of the embodiment of the present invention, there is provided a flat screen printing machine control system, comprising a master station PLC, a plurality of slave station PLCs and a plurality of flat screen printing machines as described above, which are electrically connected in sequence; a plurality of slave PLCs are connected to the master PLC through a communication bus; the flat screen printing machine comprises a control device, an operation panel and a plurality of printing head devices, wherein the operation panel is electrically connected with the control device; the control device comprises a main control chip, a bus driver and an interface circuit, wherein the bus driver and the interface circuit are electrically connected with the main control chip; and the main control chip of each flat screen printing machine is connected to the slave station PLC through the bus driver and the communication bus.
The embodiment of the utility model provides a flat screen printing machine control system, can realize a plurality of flat screen printing machine's networking centralized control, be convenient for monitor and manage a plurality of flat screen printing machine's running state simultaneously.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic block diagram of a flat screen printing machine according to an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a flat screen printing machine control system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
The embodiment of the utility model provides a flat screen printing machine, it is complicated to have solved former flat screen printing machine's printer head device and the interconnecting link between the slave station PLC, be not convenient for install, the technical problem of management and maintenance, through setting up controlling means, pass through bus driver and communication bus with controlling means and be connected to slave station PLC, and connect to master station PLC and acquire printing and dyeing control signal, and export and print head device and print, can simplify the interconnecting link between printer head device and the slave station PLC, be convenient for install, management and maintenance.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Please refer to fig. 1, which is a block diagram illustrating a flat screen printing machine according to an embodiment of the present invention.
The flat screen printing machine of the embodiment comprises a control device 10, an operation panel 20 electrically connected with the control device 10 and a plurality of printing head devices 30; the control device 10 is connected to a slave station PLC50 through a communication bus to obtain a slave station control signal; the slave station PLC50 is connected to the master station PLC40 through a communication bus to acquire a control signal; the operation panel 20 is connected to the control device 10, obtains a printing and dyeing status signal display, and transmits a control signal input by a user to the control device 10, so as to output the control signal to each printing head device 30, and the printing head device 30 executes the control signal and the control signal to realize printing and dyeing.
The control device 10 includes a main control chip 11, a bus driver 12 electrically connected to the main control chip 11, and an interface circuit 13.
Specifically, the main control chip 11 is a core component of the control device 10, receives a printing command from the operation panel 20 and the slave PLC50 via the bus, outputs a printing signal to each of the printing head devices 30, sends the printing head state to the operation panel 20 for display, and transmits the printing head state to the slave PLC50 via the communication bus. The main control chip 10 may be an existing single chip or other control chip, and its specific model and manufacturer need not to be limited, and has a plurality of data transmission ports, an enable signal trigger port and a plurality of IO communication ports.
The bus driver 12 is a 485 module, and the communication bus is a 485 bus matched with the 485 module. The 485 module is used for converting serial communication signals of the main control chip into RS485 signals used by the PLC through TTL level signals, and is electrically isolated, so that the anti-interference capability is improved. Specifically, the 485 module is provided with a data transmission port and an enabling signal port; the data transmission port of the 485 module is connected with the data signal transmission port of the main control chip 11; the enable signal port of the 485 module is connected with the enable trigger port of the main control chip 11, and the main control chip 11 performs level conversion through the 485 module and is connected to the slave station PLC50 through a 485 bus.
The interface circuit 13 is used for isolating external signals, and includes a display driving circuit, a key input circuit, and other signal processing circuits.
The operation panel 20 is connected to the signal transmission port of the main control chip 11, and is configured to receive and display the printing and dyeing state signal, and meanwhile, is convenient for an operator to input a relevant control signal to control the printing head device to execute a corresponding printing and dyeing control signal.
A display screen is arranged on the operation panel 20; the display screen is connected to the signal output port of the main control chip 11 through the display driving circuit, and receives and displays the printing and dyeing state signal. Specifically, parameters such as the number of times of head squeegees, the squeegee speed, and the ink application speed may be displayed on the display screen of the operation panel 20; meanwhile, the states of the printing head, such as the states of starting, running, pausing, failure and the like of the printing head, are displayed.
A keyboard is further arranged on the operation panel 20; the keyboard is connected to the signal input port of the main control chip through the key input circuit. The user inputs printing and dyeing regulation and control signals on the keyboard, the printing and dyeing regulation and control signals are connected to the signal input port of the main control chip 11 through the key input circuit, the main control chip 11 outputs the regulation and control signals to each printing head device, and the printing head device receives the regulation and control signals to execute corresponding printing and dyeing regulation and control.
The print head device 30 includes a printing member; the printing and dyeing part is connected to a signal output port of the main control chip 11 through a printing and dyeing driving circuit and an interface circuit; specifically, the printing and dyeing driving circuit is a power amplifying circuit composed of elements such as a darlington tube, the main control chip 11 outputs a printing and dyeing control signal to the power amplifying circuit, the power amplifying circuit amplifies the control signal, namely, the output current of the control signal is increased to improve the loading capacity, and finally the control signal is output to the printing and dyeing component, and the printing and dyeing component receives the printing and dyeing signal and executes the printing and dyeing signal.
The print head device 30 further includes a detection element; the detection element is connected to the signal input port of the main control chip 11, so that a state signal of a printing and dyeing part during printing and dyeing can be conveniently acquired, and the state signal is transmitted to the display screen of the operation panel 20 through the main control chip 11 for display, so that an operator can visually know the current printing and dyeing condition, and management and corresponding regulation and control are facilitated. Specifically, the detection element comprises a proximity switch, a magnetic switch and a coding switch which are respectively electrically connected with the main control chip 11; other detection elements can be further included, and the printing and dyeing state can be monitored.
The embodiment of the utility model provides a flat screen printing machine, through setting up controlling means between printer head device and slave station PLC, controlling means is connected to slave station PLC through 485 modules and 485 buses, and slave station PLC is connected to main website PLC through 485 buses and carries out the communication to obtain the printing and dyeing control signal control printer head device of main website PLC and carry out corresponding printing and dyeing instruction, realized promptly to printer head device and detecting element's direct control; meanwhile, each detection element acquires a printing and dyeing state signal and transmits the signal to the slave station PLC, and the signal is finally fed back to the master station PLC to facilitate centralized management and monitoring. Each printing head device and the detection element of the flat screen printing machine are connected with the control device, and the control device and the slave station PLC are connected through the 485 bus, so that a line connection structure between the printing head device and the slave station PLC is simplified, connection nodes of signal lines are reduced, potential fault points are reduced, the flat screen printing machine is convenient to install, manage and maintain, and production and maintenance costs are reduced.
Additionally, the embodiment of the utility model provides a flat screen printing machine control system is still provided, can realize networking centralized control to a plurality of flat screen printing machines.
Please refer to fig. 2, which is a schematic connection diagram of a flat screen printing machine control system according to an embodiment of the present invention.
The flat screen printing machine control system of the utility model comprises a master station PLC40, a plurality of slave station PLC50 and a plurality of flat screen printing machines which are electrically connected in sequence; a plurality of the slave PLCs 50 are connected to the master PLC40 through a communication bus; the flat screen printing machine comprises a control device, an operation panel and a plurality of printing head devices, wherein the operation panel is electrically connected with the control device; the control device comprises a main control chip, a bus driver and an interface circuit, wherein the bus driver and the interface circuit are electrically connected with the main control chip; the master control chip of each flat screen printing machine is connected to the slave station PLC50 through the bus driver and the communication bus. Each flat screen printing machine is connected to slave station PLC50 through the 485 bus to obtain the printing and dyeing control instruction of master station PLC40, carry out corresponding printing and dyeing instruction, simultaneously with printing and dyeing state signal feedback to master station PLC40, so that managers concentrate on looking over the printing and dyeing state of each printing machine. The flat screen printing machine control system realizes the networking centralized control of a plurality of flat screen printing machines, is convenient to manage and control, and saves time and labor.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A flat screen printing machine which characterized in that: the printing device comprises a control device, an operation panel and a plurality of printing head devices, wherein the operation panel is electrically connected with the control device; the control device comprises a main control chip, a bus driver and an interface circuit, wherein the bus driver and the interface circuit are electrically connected with the main control chip; the data transmission port of the master control chip is connected with the bus driver and is connected to the slave station PLC through the bus driver and the communication bus; the operation panel and the plurality of printing head devices are connected to the signal transmission port of the main control chip through an interface circuit.
2. A flat screen printing machine according to claim 1, wherein: the bus driver is a 485 module; the communication bus is a 485 bus matched with the 485 module.
3. A flat screen printing machine according to claim 2, wherein: the 485 module is provided with a data transmission port and an enabling signal port; the data transmission port of the 485 module is connected with the data signal transmission port of the main control chip; and the enabling signal port of the 485 module is connected with the enabling trigger port of the main control chip.
4. A flat screen printing machine according to claim 1, wherein: the operation panel is provided with a display screen; the interface circuit comprises a display driving circuit; the display screen is connected to the signal output port of the main control chip through the display driving circuit.
5. A flat screen printing machine according to claim 1, wherein: the operation panel is also provided with a keyboard; the interface circuit also comprises a key input circuit; the keyboard is connected to the signal input port of the main control chip through the key input circuit.
6. A flat screen printing machine according to claim 1, wherein: the printing head device comprises a printing part; the printing and dyeing component is connected to the signal output port of the main control chip through a printing and dyeing driving circuit and an interface circuit.
7. A flat screen printing machine according to claim 6, wherein: the printing and dyeing driving circuit is a power amplifying circuit.
8. A flat screen printing machine according to claim 1, wherein: the printing head device also comprises a detection element; the detection element is connected to a signal input port of the main control chip.
9. A flat screen printing machine according to claim 8, wherein: the detection element comprises a proximity switch, a magnetic switch and a coding switch which are respectively electrically connected with the main control chip.
10. The utility model provides a flat screen printing machine control system which characterized in that: the flat screen printing machine comprises a master station PLC, a plurality of slave station PLCs and a plurality of flat screen printing machines according to any one of claims 1 to 9, which are electrically connected in sequence; a plurality of slave PLCs are connected to the master PLC through a communication bus; the flat screen printing machine comprises a control device, an operation panel and a plurality of printing head devices, wherein the operation panel is electrically connected with the control device; the control device comprises a main control chip, a bus driver and an interface circuit, wherein the bus driver and the interface circuit are electrically connected with the main control chip; and the main control chip of each flat screen printing machine is connected to the slave station PLC through the bus driver and the communication bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056497.XU CN211542777U (en) | 2019-11-25 | 2019-11-25 | Flat screen printing machine and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922056497.XU CN211542777U (en) | 2019-11-25 | 2019-11-25 | Flat screen printing machine and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211542777U true CN211542777U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922056497.XU Active CN211542777U (en) | 2019-11-25 | 2019-11-25 | Flat screen printing machine and control system |
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| Country | Link |
|---|---|
| CN (1) | CN211542777U (en) |
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2019
- 2019-11-25 CN CN201922056497.XU patent/CN211542777U/en active Active
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