CN203510308U - Controller used for multi-axis PCB numerical control drilling - Google Patents
Controller used for multi-axis PCB numerical control drilling Download PDFInfo
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- CN203510308U CN203510308U CN201320634166.XU CN201320634166U CN203510308U CN 203510308 U CN203510308 U CN 203510308U CN 201320634166 U CN201320634166 U CN 201320634166U CN 203510308 U CN203510308 U CN 203510308U
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 claims description 8
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Abstract
The utility model discloses a controller used for multi-axis PCB numerical control drilling. The controller comprises a controller body provided with a DSP chip and an FPGA chip inside, the DSP chip and the FPGA chip are connected, and the controller body is provided with multiple external interfaces connected with the FPGA chip. The external interface include an Ethernet interface used for being connected with an industrial personal computer, an analog output interface used for being connected with a servo driver and a converter, a digital I/O interface used for being connected with external digital control signals and a photoelectric encoder interface used for connected with a grating ruler feedback signal. The FPGA chip controls the external interfaces and outputs 8-channel 16-bit DAC signals, so that full closed-loop control over a multi-axis PCB numerical control drilling press is achieved. The controller meets multi-axis, high-speed, high-precision and high-reliability technical requirements of multi-station batch PCB numerical control drilling, and effectively solves the problems that resources are wasted and real-time control is poor in the prior art.
Description
Technical field
The utility model relates to a kind of controller, relates in particular to a kind of controller for multiaxis PCB digital control hole drilling.
Background technology
Digital control hole drilling is the most popular, economic, practical, reliable PCB hole position processing method at present, and controller is the core component of digital control system, and it utilizes data signal that each kinematic axis place value of lathe, speed, acceleration and sequence of movement etc. are realized automatically and being controlled.At present, PCB digital control system adopts the pattern of PC+ motion control card mostly, and Windows system exists defect as multitasking system aspect real-time control, and control system is controlled and decision-making authority all concentrates on main frame, causes system effectiveness low; In addition, PCB digital control hole drilling scene is that complex industrial is on-the-spot, and dust and vibration easily cause main frame and control card communication failure, and system reliability reduces greatly.Be controller self hardware configuration that current numerical control adopts be difficult to meet system multiaxis, at a high speed, the control technology demand of high-precision, high reliability.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of controller for multiaxis PCB digital control hole drilling, for PCB digital control hole drilling processing provides a kind of stable and reliable for performance, networking, intelligent multi-axis controller, adapt to multistation in batches PCB digital control hole drilling multiaxis, at a high speed, the technical need of high-precision and high reliability.
For achieving the above object, the utility model provides a kind of controller for multiaxis PCB digital control hole drilling, comprise the controller body that is built-in with dsp chip and fpga chip, described dsp chip is connected with fpga chip, and described controller body is provided with a plurality of external interfaces that are connected with fpga chip respectively; Described external interface comprises Ethernet interface for being connected with industrial computer, for connecting the simulation output interface that is connected with servo-driver and frequency converter, for the digital I/O interface that is connected with external digital control signal and photoelectric encoder interface for being connected with grating scale feedback signal.
Wherein, described external interface also comprises the data communication interface being connected with fpga chip.
Wherein, the built-in two-way FIFO processing unit of described fpga chip, described dsp chip is electrically connected to FIFO processing unit.
Wherein, described Ethernet interface is connected with industrial computer by RJ45 serial ports.
The beneficial effects of the utility model are: compared with prior art, the controller for multiaxis PCB digital control hole drilling that the utility model provides, dsp chip is as the core of controller, main responsible digital control hole drilling procedure and the relevant instruction of moving, and the control to a plurality of external interfaces by fpga chip, and export 16 DAC signals of 8 passage, realization is controlled the closed-loop of multiaxis PCB numerical control drilling machine, this controller adapts to the multistation multiaxis of PCB digital control hole drilling in batches, at a high speed, the technical need of high-precision and high reliability, efficiently solving prior art causes software and hardware resources waste and controls in real time poor problem, further, controller is connected with industrial computer by Ethernet interface, can realize the high speed of industrial computer and controller instruction and data, accurately transmission, has solved the problem that under complex industrial site environment, boring is difficult to stable operation.
Accompanying drawing explanation
Fig. 1 is the connection layout of controller of the present utility model and external equipment;
Fig. 2 is PCB boring flow chart of the present utility model.
Main element symbol description is as follows:
10, controller body 11, dsp chip
12, fpga chip 13, industrial computer
14, servo-driver 15, frequency converter
101, Ethernet interface 102, simulation output interface
103, digital I/O interface 104, photoelectric encoder interface
The specific embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, controller for multiaxis PCB digital control hole drilling of the present utility model, comprise the controller body 10 that is built-in with dsp chip 11 and fpga chip 12, dsp chip 11 is connected with fpga chip 12, and controller body 10 is provided with a plurality of external interfaces that are connected with fpga chip 12 respectively; External interface comprises Ethernet interface 101 for being connected with industrial computer 13, for connecting the simulation output interface 102 that is connected with servo-driver 14 and frequency converter 15, for the digital I/O interface 103 that is connected with external digital control signal and photoelectric encoder interface 104 for being connected with grating scale feedback signal.
Situation compared to prior art, the controller for multiaxis PCB digital control hole drilling that the utility model provides, dsp chip 11 is as the core of controller, main responsible digital control hole drilling procedure and the relevant instruction of moving, and by the control of 12 pairs of a plurality of external interfaces of fpga chip, and export 16 DAC signals of 8 passage, realization is controlled the closed-loop of multiaxis PCB numerical control drilling machine, this controller adapts to the multistation multiaxis of PCB digital control hole drilling in batches, at a high speed, the technical need of high-precision and high reliability, efficiently solving prior art causes software and hardware resources waste and controls in real time poor problem, further, controller is connected with industrial computer 13 by Ethernet interface 101, can realize industrial computer 13 and the high speed of controller instruction and data, accurately transmission, has solved the problem that under complex industrial site environment, boring is difficult to stable operation.
In the present embodiment; external interface also comprises the data communication interface (figure is for showing) being connected with fpga chip 12; certainly; external interface is not limited to several interfaces that comprise foregoing description; can also be to comprise the embodiment of input/output interface in fact; if the change of docking port embodiment so also can be understood as simple deformation of the present utility model or conversion, fall into protection domain of the present utility model.
In the present embodiment, the built-in two-way FIFO processing unit (not shown) of fpga chip 12, dsp chip 11 is electrically connected to FIFO processing unit.FIFO is First In First Out, be first in first out, the increase of this FIFO processing unit, makes coordinating communication and the transfer of data better effects if of this controller, the data that make this controller can improve data transmission rate, to process mass data stream, coupling have different transmission rate.
In the present embodiment, Ethernet interface 101 is connected with industrial computer 13 by RJ45 serial ports.And adopt ICP/IP protocol, realize industrial computer 13 and the high speed of controller instruction and data, accurately transmission.Certainly; Ethernet interface 101 can also be realized and being connected by other embodiments such as RS485 serial ports or RS323 with industrial computer 13; if the change to the connected mode between Ethernet interface 101 and industrial computer 13; so also can be understood as simple deformation of the present utility model or conversion, fall into protection domain of the present utility model.
The controller that the utility model provides, this controller is controlled eight PCB machine tool motion axles by 16 DAC of 8 passage, 1 16, passage DAC controls the special-purpose supplied with digital signal of 1 frequency converter, 15,32 passages and 32 passages general purpose I/O data signal is obtained and controls peripheral signal; Controller can be realized bull PCB digital control drilling machine is realized to high performance control and management.The functional localization of above-mentioned various control signals is as follows: eight kinematic axis control signals: XY axle is accurately located for work top, and Z1 to Z6 axle is for Z axis high-speed drilling; 1 speed of mainshaft control signal: for frequency converter 15 FREQUENCY CONTROL, and then control the speed of mainshaft; The special-purpose supplied with digital signal of 32 passages: the special signals such as, zero point spacing for kinematic axis, frequency converter and fast brill; 32 passage general purpose I/O data signals: for signal detection such as cutter, frequency converter, air pressure, servo warnings, and the signal output such as manipulator, main shaft chuck, spindle switch.The embodiment of this controller the best is the PCB lathe for eight axles, certainly, is not limited to this quantity, can also be the PCB lathe of six axles or other quantity kinematic axis.
Please further consult Fig. 2, the utility model middle controller is controlled the flow process of PCB boring: S1, downloads borehole data bag: controller is downloaded the digital control hole drilling file of industrial computer 13 based on position, hole coordinate by Ethernet; S2, drilling parameter and order: controller is accepted Drilling operation parameter and the order of industrial computer 13; S3, picks and places cutter: controller is according to different pore size automatic clamping and placing cutter; S4, the collaborative boring of XYZ: controller, by controlling main shaft rotation and the coordinated movement of various economic factors of XYZ axle, carries out PCB Drilling operation; S5, breaking and security of system detect: controller boring procedure is processed breaking and various fault Real-Time Monitoring; S6, judgement is when front aperture ends of whether holing: if next step S7 is carried out in the boring end of current aperture, if do not finished, turn back to step S3; S7, judges the end of whether holing of whole apertures: if all apertures boring finishes, finish this program, if there is aperture to hole, be back to step S4, until controller completes Drilling operation.
The controller for multiaxis PCB digital control hole drilling that the utility model provides, its advantage can specifically describe and be:
1) controller is realized multi-station high efficient PCB digital control hole drilling by a plurality of kinematic axis coordinated movements of various economic factors, efficiently solves board type system and causes software and hardware resources waste and control in real time poor problem;
2) controller and industrial computer communicate by Ethernet, and boring file is downloaded in the disposable acceptance of controller control, and boring procedure possesses Offhost service ability, solves a system stable operation difficult problem under complex industrial site environment;
3) Drilling operation program, in controller internal control operation, meets PCB digital control hole drilling high speed, high-precision demand for control, significantly promotes borehole accuracy and drilling efficiency.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (4)
1. the controller for multiaxis PCB digital control hole drilling, it is characterized in that, comprise the controller body that is built-in with dsp chip and fpga chip, described dsp chip is connected with fpga chip, and described controller body is provided with a plurality of external interfaces that are connected with fpga chip respectively; Described external interface comprises Ethernet interface for being connected with industrial computer, for connecting the simulation output interface that is connected with servo-driver and frequency converter, for the digital I/O interface that is connected with external digital control signal and photoelectric encoder interface for being connected with grating scale feedback signal.
2. according to the controller for multiaxis PCB digital control hole drilling of claim 1, it is characterized in that, described external interface also comprises the data communication interface being connected with fpga chip.
3. according to the controller for multiaxis PCB digital control hole drilling of claim 1, it is characterized in that, the built-in two-way FIFO processing unit of described fpga chip, described dsp chip is electrically connected to FIFO processing unit.
4. according to the controller for multiaxis PCB digital control hole drilling of claim 1, it is characterized in that, described Ethernet interface is connected with industrial computer by RJ45 serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634166.XU CN203510308U (en) | 2013-10-15 | 2013-10-15 | Controller used for multi-axis PCB numerical control drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634166.XU CN203510308U (en) | 2013-10-15 | 2013-10-15 | Controller used for multi-axis PCB numerical control drilling |
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| Publication Number | Publication Date |
|---|---|
| CN203510308U true CN203510308U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320634166.XU Expired - Lifetime CN203510308U (en) | 2013-10-15 | 2013-10-15 | Controller used for multi-axis PCB numerical control drilling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002190A (en) * | 2014-04-28 | 2014-08-27 | 浙江众环机电设备有限公司 | Control system for strong fire furnace end numerical control special drilling machine and method thereof |
| CN105892413A (en) * | 2014-12-15 | 2016-08-24 | 广西大学 | Modularized simple multi-axis motion controlling device |
| CN109849102A (en) * | 2019-03-12 | 2019-06-07 | 深圳市强华科技发展有限公司 | A kind of PCB digital control hole drilling control system and its control method |
-
2013
- 2013-10-15 CN CN201320634166.XU patent/CN203510308U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002190A (en) * | 2014-04-28 | 2014-08-27 | 浙江众环机电设备有限公司 | Control system for strong fire furnace end numerical control special drilling machine and method thereof |
| CN105892413A (en) * | 2014-12-15 | 2016-08-24 | 广西大学 | Modularized simple multi-axis motion controlling device |
| CN105892413B (en) * | 2014-12-15 | 2019-11-05 | 广西大学 | A kind of modular Multi-axis motion control device |
| CN109849102A (en) * | 2019-03-12 | 2019-06-07 | 深圳市强华科技发展有限公司 | A kind of PCB digital control hole drilling control system and its control method |
| CN109849102B (en) * | 2019-03-12 | 2020-12-18 | 深圳市强华科技发展有限公司 | PCB numerical control drilling control system and control method thereof |
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| CX01 | Expiry of patent term |
Granted publication date: 20140402 |