CN100397266C - Single chip controller of automatic lathe for bearing rings - Google Patents
Single chip controller of automatic lathe for bearing rings Download PDFInfo
- Publication number
- CN100397266C CN100397266C CNB2006100811134A CN200610081113A CN100397266C CN 100397266 C CN100397266 C CN 100397266C CN B2006100811134 A CNB2006100811134 A CN B2006100811134A CN 200610081113 A CN200610081113 A CN 200610081113A CN 100397266 C CN100397266 C CN 100397266C
- Authority
- CN
- China
- Prior art keywords
- circuit board
- signal
- processing circuit
- signal processing
- automatic lathe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention relates to a bearing ring automatic lathe MCU controller, which is suitable for sequence control, failure self-diagnosis and work cycle count occasions for bearing ring automatic lathe mechanical machining. The present invention is technically characterized in that the bearing ring automatic lathe MCU controller comprises an interface circuit board, a signal processing circuit board and a display circuit board, wherein control signals are mutually transmitted between the signal processing circuit board and the interface circuit board through rowed needles; the display circuit board is fixed to the operation control panel of a bearing ring automatic lathe; the signal processing circuit board is electrically connected with the display circuit board through strip-shaped cables. The present invention can effectively reduce costs, prolong service lives and improve reliability and has the characteristics of failure self-diagnosis, work cycle time count function, etc.
Description
Technical field:
The present invention relates to a kind of monolithic processor controlled automatic lathe for bearing rings controller, it is applicable to the occasion of sequential control, fault self-diagnosis and the working cycle counting of automatic lathe for bearing rings machining.
Background technology:
At present, in small-sized and miniature bearing manufacturing, be extensive use of automatic lathe for bearing rings, its electric control circuit adopts control relay circuit or programmable controller (PLC) circuit usually, not subsidiary fault self-diagnosis of these control circuits and cycle index tally function.Because the electrical endurance of the mechanical contact of relay is shorter, and the mechanical action frequency of automatic lathe is higher, so relay will reach serviceable life in the short time, the electric control system failure rate is higher.Then price is higher to adopt programmable controller (transistor is done control output).For overcoming these defectives, single chip controller of automatic lathe for bearing rings is developed.
Summary of the invention:
Technical matters to be solved by this invention provides a kind of single chip controller of automatic lathe for bearing rings, and it can reduce cost effectively, improves life-span and reliability, have fault self-diagnosis and cycle index tally function.
The technical scheme that the present invention solves its technical matters employing is:
It comprises interface card, display circuit board, it is characterized in that it also comprises signal processing circuit board, after single-chip microcomputer on the described signal processing circuit board detects input signal, produce output control signal, working cycle counting shows signal or failure code shows signal by single-chip microcomputer.
By the mutual transfer control signal of row's pin, display circuit board is fixed on the operation control panel of automatic lathe for bearing rings between signal processing circuit board and the interface card, and signal processing circuit board electrically connects by flat cable and display circuit board;
Interface card has 12 external control input endpoints, connects push switch, near switch, machine tool travel switch, and these switching signals are delivered to input photoelectric isolating circuit on the interface card through the connection terminal J11 on interface cards; Resistance 28,26 on the interface card, triode 2 constitute output driving current signal sampling, amplifying circuit, and the current signal of its output is also delivered to the input photoelectric isolating circuit; The push switch signal, flow to single-chip microcomputer on the signal processing circuit board via 16 row's pin plug J21 on 16 row's needle socket J12, the signal processing circuit board on the interface card near the current signal of switching signal, machine tool travel switching signal and output; Also has voltage-stabilized power supply circuit on the interface card;
3 potentiometers 1,2,3 for user's adjusting are arranged on the signal processing circuit board, the voltage signal that these 3 potentiometers produce is transported to the input end of the A/D converter of band in the single-chip microcomputer, produces time delayed signal after the voltage signal after the A/D conversion is again through the Single Chip Microcomputer (SCM) program computing; Single-chip microcomputer on the signal processing circuit board produces output control signal, working cycle counting shows signal, failure code shows signal to the push switch signal, carry out computing, processing near the analog voltage signal of switching signal, machine tool travel switching signal, output current signal and potentiometer 1,2,3; Wherein count shows signal, failure code shows signal via the connection terminal J23 on the signal processing circuit board and 10 tape shape cable transmission to display circuit board; When signal processing circuit board receive the push switch signal, during near switching signal, machine tool travel switching signal and current signal, single-chip microcomputer is analyzed, is handled each signal, when signal processing circuit board is exported 6 position digital signals to display circuit board, the expression automatic lathe is working properly, and this 6 figure place is the working cycle number of times; When signal processing circuit board output be 2 position digital signals the time, expression lathe operation irregularity, this 2 figure place is the fault code, the trouble spot of prompting lathe; Single-chip microcomputer produces 9 tunnel output control signals, pass to the output photoelectric isolating circuit of interface card via 11 row's needle socket J13 on 11 rows pin plug J22 and the interface cards on the signal processing circuit board, signal moves thereby control automatic lathe for bearing rings through isolating, amplify rear drive solenoid valve, relay, pilot lamp; 6 charactrons are arranged on the display circuit board, and the count signal or the fault code signal that are transmitted by signal processing circuit board show on charactron after handling through decoder ic, position drive integrated circult.
The model of the single-chip microcomputer on the described signal processing circuit board is PIC16F877A or PIC16F877.
The model of the decoder ic chip on the described display circuit board is CD4543 or MC14543,74HC4543.
The model of the position drive integrated circult chip on the described display circuit board is 74HC238 or 74LS238.
The present invention compares the beneficial effect that is produced with background technology:
1, because the present invention adopts cheap general single chip PIC16F877 to do the master control chip and is optimized design at automatic lathe for bearing rings specially, simplifies circuit structure, so reduced cost of the present invention;
2, because the present invention uses high-power FET to do control output, the safeguard measure that has adopted software and hardware to combine has improved serviceable life of the present invention and reliability;
3, owing to have electrically-erasable memory (EEPROM) in the single-chip microcomputer that the present invention adopts,, still can preserve count value after the power down so have tally function.Can in time change cutter according to the count value user, guarantee product quality;
4, owing to adopted control program in the single-chip microcomputer of the present invention,, help the user to shorten servicing time so can in time indicate the machine failure point with machine failure diagnostic function.
Description of drawings:
Fig. 1 is a theory diagram of the present invention.
Fig. 2 is the circuit diagram of interface card 1 among Fig. 1.
Fig. 3 is the circuit diagram of signal processing circuit board 2 among this Fig. 1.
Fig. 4 is the circuit diagram of digital display circuit plate 3 among this Fig. 1.
Embodiment:
Referring to accompanying drawing 1, the present invention is made up of interface card 1, signal processing circuit board 2,3 three parts of display circuit board.
Referring to accompanying drawing 2, interface card 1 is made up of three parts: input photoelectric isolating circuit, output photoelectric isolating circuit, voltage-stabilized power supply circuit.Travel switch signal, push switch signal, be input to the input photoelectric isolating circuit of interface card, always have 12 switch input circuits near switching signal.In addition, resistance 28,26, triode 2 constitute output current sampling amplifying circuit, the current signal of its output also is input to the input photoelectric isolating circuit of interface card, when the current value of output circuit surpasses setting value, single-chip microcomputer will interrupt all control output immediately and provide corresponding failure code prompting.Resistance 27 (BX) is resettable fuse in the circuit, and its effect is to provide open circuit protection to long excess current.The control signal of output photoelectric isolating circuit output solenoid valve, relay, pilot lamp.Voltage-stabilized power supply circuit provides the power supply supply to complete machine.Constitute power sense circuit by resistance 57,58,59, electric capacity 5, triode 1, diode 13,14, when power interruption, produce a trigger pip and give single-chip microcomputer, single-chip microcomputer is with the output of timely interrupt control and in time preserve current cycle time count value and the global cycle count value electrically-erasable memory (EEPROM) to single-chip microcomputer inside, is powered to complete machine by filter capacitor C1, charge stored such as 4 during power interruption; The output photoelectric isolating circuit is isolated by 9 tunnel control signal photoelectricity and is amplified output and form; the signal of photoelectrical coupler output amplifies back output via field effect transistor; each field effect transistor all is connected to fly-wheel diode, provides protection to field effect transistor when load is inductive nature.Do control output because the use field effect transistor adds multiple holding circuit, do control output with relay and compare advantage with electrical endurance length.
Referring to accompanying drawing 3, be the circuit diagram of signal processing circuit board 2.Import by 16 row's pin plug J21 through the input signal that photoelectricity is isolated, have 13 input circuits.Every road input signal all connects a light emitting diode 1～13 and does the input indication, and input signal is handled through delivering to single-chip microcomputer behind the rc filter circuit.After 9 tunnel output control signals are indicated output states via light emitting diode 15～23 altogether, be transferred to interface card from 11 row's pin plug J22.Output photoelectric isolating circuit on the interface card is finished isolation, amplification, the output of output control signal.Single-chip microcomputer also produces digital displaying signal and is transferred to the digital display circuit plate via connection terminal J23.When the lathe operate as normal, 6 current cycle time count signals of single-chip microcomputer transmission or lathe amount to the cycle index count signal.When the lathe operation irregularity, 2 fault code signal of single-chip microcomputer transmission.Potentiometer 1,2,3 is used to produce the analog voltage signal that can regulate, and single-chip microcomputer is according to the length of time delay in the size decision control procedure of this voltage.Have electrically-erasable memory (EEPROM) in the single-chip microcomputer, still can preserve current loop count and global cycle count value after the power down.
Referring to accompanying drawing 4, be the circuit diagram of digital display circuit plate 3.This display board adopts 6 LED charactrons to show cycle index or failure code.In order to reduce the quantity of transmission line, adopt the dynamic scan video data.So this display board adopts 7 sections coding chip CD4543 of a slice and a slice position coding chip 74LS238.In addition, use the duty of 2 diode displaying controllers.
Claims (10)
1. single chip controller of automatic lathe for bearing rings, it comprises interface card (1), display circuit board (3), it is characterized in that it also comprises signal processing circuit board (2), after single-chip microcomputer on the described signal processing circuit board (2) detects input signal, produce output control signal, working cycle counting shows signal or failure code shows signal by single-chip microcomputer; Pass through the mutual transfer control signal of row's pin between signal processing circuit board (2) and the interface card (1), display circuit board (3) is fixed on the operation control panel of automatic lathe for bearing rings, and signal processing circuit board (2) electrically connects by flat cable and display circuit board (3);
Interface card (1) comprises 12 external control input endpoints, connects push switch, near switch, machine tool travel switch, these switching signals are delivered to input photoelectric isolating circuit on the interface card through the connection terminal (J11) on interface cards (1); Resistance on the interface card (1) (R28, R26), triode (Q2) constitute output driving current signal sampling, amplifying circuit, and the current signal of its output is also delivered to the input photoelectric isolating circuit; The push switch signal, flow to single-chip microcomputer on the signal processing circuit board (2) via 16 the row's pin plugs (J21) on last 16 the row's needle sockets (J12) of interface card (1), the signal processing circuit board (2) near the current signal of switching signal, machine tool travel switching signal and output; Interface card (1) is gone up also has voltage-stabilized power supply circuit;
3 potentiometers (W1, W2, W3) for user's adjusting are arranged on the described signal processing circuit board (2), the voltage signal that these 3 potentiometers produce is transported to the input end of the A/D converter of band in the single-chip microcomputer, produces time delayed signal after the voltage signal after the A/D conversion is again through the Single Chip Microcomputer (SCM) program computing; Single-chip microcomputer on the signal processing circuit board (2) produces output control signal, working cycle counting shows signal, failure code shows signal to the push switch signal, carry out computing, processing near the analog voltage signal of switching signal, machine tool travel switching signal, output current signal and potentiometer (W1, W2, W3); Wherein working cycle counting shows signal, failure code shows signal arrive display circuit board (3) via connection terminal (J23) on the signal processing circuit board (2) and 10 tape shape cable transmission; When signal processing circuit board (2) receive the push switch signal, during near switching signal, machine tool travel switching signal and current signal, single-chip microcomputer is analyzed, is handled each signal, when signal processing circuit board (2) is exported 6 position digital signals to display circuit board (3), the expression automatic lathe is working properly, and this 6 figure place is the working cycle number of times; When signal processing circuit board (2) output be 2 position digital signals the time, expression lathe operation irregularity, this 2 figure place is the fault code, the trouble spot of prompting lathe; Single-chip microcomputer produces 9 tunnel output control signals, pass to the output photoelectric isolating circuit of interface card (1) via last 11 row's pin plugs (J 22) of signal processing circuit board (2) and last 11 the row's needle sockets of interface card (1) (J13), signal moves thereby control automatic lathe for bearing rings through isolating, amplify rear drive solenoid valve, relay, pilot lamp;
6 charactrons are arranged on the described display circuit board (3), and the count signal or the fault code signal that are transmitted by signal processing circuit board (2) show on charactron after handling through decoder ic, position drive integrated circult.
2. single chip controller of automatic lathe for bearing rings according to claim 1 is characterized in that it is PIC16F877A that described signal processing circuit board (2) is gone up the model of single-chip microcomputer.
3. single chip controller of automatic lathe for bearing rings according to claim 1, the model that it is characterized in that the single-chip microcomputer on the described signal processing circuit board (2) is PIC16F877.
4. according to claim 1,2 or 3 described single chip controller of automatic lathe for bearing rings, the model that it is characterized in that the decoder ic chip on the display circuit board (3) is CD4543.
5. according to claim 1,2 or 3 described single chip controller of automatic lathe for bearing rings, the model that it is characterized in that the decoder ic chip on the display circuit board (3) is MC14543.
6. according to claim 1,2 or 3 described single chip controller of automatic lathe for bearing rings, the model that it is characterized in that the decoder ic chip on the display circuit board (3) is 74HC4543.
7. single chip controller of automatic lathe for bearing rings according to claim 4 is characterized in that the model of the position drive integrated circult chip on the display circuit board (3) is 74LS238.
8. single chip controller of automatic lathe for bearing rings according to claim 4 is characterized in that the model of the position drive integrated circult chip on the display circuit board (3) is 74HC238.
9. single chip controller of automatic lathe for bearing rings according to claim 5 is characterized in that the model of the position drive integrated circult chip on the display circuit board (3) is 74LS238.
10. single chip controller of automatic lathe for bearing rings according to claim 6 is characterized in that the model of the position drive integrated circult chip on the display circuit board (3) is 74HC238.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100811134A CN100397266C (en) | 2006-05-22 | 2006-05-22 | Single chip controller of automatic lathe for bearing rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100811134A CN100397266C (en) | 2006-05-22 | 2006-05-22 | Single chip controller of automatic lathe for bearing rings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1873568A CN1873568A (en) | 2006-12-06 |
| CN100397266C true CN100397266C (en) | 2008-06-25 |
Family
ID=37484059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100811134A Expired - Fee Related CN100397266C (en) | 2006-05-22 | 2006-05-22 | Single chip controller of automatic lathe for bearing rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100397266C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105798775A (en) * | 2016-05-19 | 2016-07-27 | 无锡工艺职业技术学院 | Intelligent bearing grinding speed controller and control method thereof |
| CN105834916A (en) * | 2016-05-19 | 2016-08-10 | 无锡工艺职业技术学院 | Microcomputer control system for bearing grinding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058513U (en) * | 1989-08-12 | 1990-06-20 | 朱文恒 | Multipurpose instrument for time control and numerical control of integrated circuit |
| CN2082431U (en) * | 1991-01-21 | 1991-08-07 | 钟升 | General single-slice micro-type controller of small-switch-amount system |
| JP2000122709A (en) * | 1998-10-20 | 2000-04-28 | Citizen Watch Co Ltd | Control method for multiaxial multi-system nc lathe |
| CN2404266Y (en) * | 1999-12-21 | 2000-11-01 | 赵本岐 | Intelligent electric operator |
| CN2508894Y (en) * | 2001-03-08 | 2002-09-04 | 南京埃斯顿工业自动化有限公司 | Special Digital control system for economic plate shearing machine and bender |
-
2006
- 2006-05-22 CN CNB2006100811134A patent/CN100397266C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2058513U (en) * | 1989-08-12 | 1990-06-20 | 朱文恒 | Multipurpose instrument for time control and numerical control of integrated circuit |
| CN2082431U (en) * | 1991-01-21 | 1991-08-07 | 钟升 | General single-slice micro-type controller of small-switch-amount system |
| JP2000122709A (en) * | 1998-10-20 | 2000-04-28 | Citizen Watch Co Ltd | Control method for multiaxial multi-system nc lathe |
| CN2404266Y (en) * | 1999-12-21 | 2000-11-01 | 赵本岐 | Intelligent electric operator |
| CN2508894Y (en) * | 2001-03-08 | 2002-09-04 | 南京埃斯顿工业自动化有限公司 | Special Digital control system for economic plate shearing machine and bender |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1873568A (en) | 2006-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202205977U (en) | Two-circuit household appliance automatic socket for battery power supply and sensor dual-authentication management | |
| CN202083915U (en) | Button switch control circuit with zero standby power consumption | |
| CN101364745B (en) | Electronic apparatus capable of automatically choosing power supply source | |
| CN101752828B (en) | Low-voltage protection device | |
| CN100397266C (en) | Single chip controller of automatic lathe for bearing rings | |
| CN100527306C (en) | Control circuit of relay | |
| CN204883704U (en) | C type USB IC interface control circuit | |
| CN107456161A (en) | Dust catcher and the power control circuit for dust catcher | |
| CN102063082B (en) | Digital input circuit | |
| CN101345425A (en) | Intelligentized battery charge control circuit | |
| CN202565019U (en) | Automatic conversion device for power supply voltage shortage | |
| CN209000547U (en) | A kind of PCIE SSD circuit breaking test device | |
| CN201674481U (en) | Touch push button type switch | |
| CN202351637U (en) | Direct current (DC) power supply on-off control circuit | |
| CN201203903Y (en) | Self-help equipment shipment control module | |
| CN206313479U (en) | A kind of on-board battery charging circuit | |
| CN207530526U (en) | A kind of motor latch-up protection circuit driven using dual power supply | |
| CN205026989U (en) | Semiconductor refrigerator drive circuit | |
| CN203350664U (en) | Output control circuit | |
| CN214587958U (en) | LED display control circuit of household electrical appliance | |
| CN202160160U (en) | Two-channel drive circuit provided with built-in stabilized voltage supply | |
| CN211530835U (en) | Power-off endurance circuit and sensor | |
| CN202406093U (en) | Universal driving circuit for NMOS (N-channel Mental Oxide Semiconductor) switching tube | |
| CN202563295U (en) | Data collecting controller special for broadcast television emission system | |
| CN209434956U (en) | A kind of double power-supply automatic transferring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGNAN INDUSTRIES GROUP CO., LTD. Free format text: FORMER NAME: JIANGNAN MACHINERY (GROUP) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Bamboo town Yuhu District 411207 Hunan city of Xiangtan Province Patentee after: Jiangnan Industries Group Co., Ltd. Address before: 411207 Hunan city of Xiangtan Province bamboo Patentee before: Jiangnan Machinery (Group) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20150522 |
|
| EXPY | Termination of patent right or utility model |