CN103279067A - Lathe control circuit - Google Patents
Lathe control circuit Download PDFInfo
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- CN103279067A CN103279067A CN2013102230338A CN201310223033A CN103279067A CN 103279067 A CN103279067 A CN 103279067A CN 2013102230338 A CN2013102230338 A CN 2013102230338A CN 201310223033 A CN201310223033 A CN 201310223033A CN 103279067 A CN103279067 A CN 103279067A
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- relay
- control circuit
- switch
- electrically connected
- circuit board
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Abstract
The invention discloses a lathe control circuit which comprises a control circuit board. A potential transformer is connected to the control circuit board, the potential transformer is electrically connected with a null line and a live line, a rheostat is electrically connected to the control circuit board, a first relay is electrically connected to the rheostat, a normal close switch is electrically connected to the first relay, a start button is electrically connected to the control circuit board, the normal close switch and a normal open switch are connected to the start button in series, the normal close switch is electrically connected with the normal open switch, a second relay and a third relay are sequentially connected between the normal open switch and the rheostat in parallel, and two first relay contacts, a first switch, a second switch and an indicator light are sequentially connected between the normal open switch and the control circuit board in parallel. By means of the mode, the lathe control circuit can guarantee operation safety of a machine tool and is safe and stable.
Description
Technical field
The present invention relates to circuit field, particularly relate to a kind of lathe control circuit.
Background technology
When carrying out the turner operation, because new worker operates lathe for the first time, mood is relatively more nervous, adds that engine lathe does not possess the automatic stopping protective device, in case not by the operation of safety technique working specification, the security incident of the person and equipment just may take place.Lathe incidental accident in new worker mainly contains following a few place: chuck handle is hurted sb.'s feelings.New learn the worker with chuck handle clamping workpiece after on the chuck; through regular meeting such accident taking place: namely forgets chuck handle is taken off with regard to the motor-car bed from chuck; chuck handle is along with the rotation of chuck lays to come and injure new worker's hand; in case such accident takes place; gently then damage skin and flesh, heavy then break finger.Chuck in knife rest and the rotation bumps against.In process, when slip crate during to left movement, learn newly that the worker only notes the situation of processing sometimes and the accident that knife rest and chuck collide takes place quite easily for the position of having ignored knife rest.And the reason that causes above-mentioned security incident to take place, mainly be because: (1) mood overstrain, attend to one thing and lose sight of another.New learn the worker and touch lathe for the first time, and the lathe rotating speed is all higher, some new trade union is quite nervous, worries to do bad, worries again own security incident is taking place, and just attends to one thing and lose sight of another when operating, and security incident takes place easily.(2) operation is unskilled, and the master worker does half-hearted tin of when demonstration, does not have the hints on operation of lathe on top of, add man-hour will be in a rush, security incident also takes place easily.(3) not by doing the rules operation, before each workpiece processing, the master worker explains corresponding working specification, and demonstrates at lathe, but some new worker always likes sticking to one's old way of doing things ignorance working specification, thereby generation security incident.(4) absent-minded, energy disperses, and stand in lathe next door processing work for a long time in addition, and thought can not concentrated, and energy disperses, and security incident also takes place easily.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of lathe control circuit, can guarantee the security of machine operation, safety and stability.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of lathe control circuit is provided, comprise: control circuit board, be connected with transformer on the described control circuit board, described transformer and zero line and live wire electrically connect, be electrically connected with rheostat on the described control circuit board, be electrically connected with first relay on the described rheostat, described first relay comprises first relay coil and first relay contact, described first relay coil and the series connection of first relay contact, be electrically connected with normally closed button on described first relay, be electrically connected with start button on the described control circuit board, be in series with normally closed switch and normal open switch on the described start button, described normal open switch and normally closed button electrically connect, be parallel with second relay and the 3rd relay between described normal open switch and the rheostat successively, be parallel with two first relay contacts between described normal open switch and the control circuit board successively, first switch, second switch and pilot lamp.
In a preferred embodiment of the present invention, described second relay comprises second relay coil and second relay contact, described the 3rd relay comprises the 3rd relay coil and the 3rd relay contact, and described second relay contact and the 3rd relay contact series connection back are in parallel with first relay contact.
In a preferred embodiment of the present invention, also be in series with on described second relay contact and often drive button.
In a preferred embodiment of the present invention, be in series with second normally closed switch on described second relay coil, the 3rd normally closed switch on described the 3rd relay coil.
In a preferred embodiment of the present invention, be electrically connected with travel switch between described transformer and zero line and the live wire.
In a preferred embodiment of the present invention, also be electrically connected with threephase asynchronous machine, stepper motor and optical indicator on the described control circuit board.
The invention has the beneficial effects as follows: lathe control circuit of the present invention can guarantee the security of machine operation, safety and stability.
Description of drawings
Fig. 1 is the structural representation of lathe control circuit one preferred embodiment of the present invention;
The mark of each parts is as follows in the accompanying drawing:.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1, a kind of lathe control circuit, comprise: control circuit board U, be connected with transformer T on the described control circuit board U, described transformer T and zero line N and live wire L electrically connect, be electrically connected with rheostat R on the described control circuit board U, be electrically connected with first relay on the described rheostat R, described first relay comprises the first relay coil KA1 and the first relay contact KA1-1, the described first relay coil KA1 and first relay contact KA1-1 series connection, be electrically connected with normally closed button S2 on described first relay, be electrically connected with start button SB on the described control circuit board U, be in series with normally closed switch S6 and normal open switch S5 on the described start button SB, described normal open switch S5 and normally closed button S2 electrically connect, be parallel with second relay and the 3rd relay between described normal open switch S5 and the rheostat R successively, be parallel with two first relay contact KA1-1 between described normal open switch S5 and the control circuit board U successively, the first switch S 3-1, second switch S2-2 and pilot lamp H.
In addition, described second relay comprises the second relay coil KA2 and the second relay contact KA2-2, described the 3rd relay comprises the 3rd relay coil KA3 and the 3rd relay contact KA3-3, and the described second relay contact KA2-2 and the 3rd relay contact KA3-3 series connection back are in parallel with the first relay contact KA1-1.
In addition, also be in series with on the described second relay contact KA2-2 and often open button S1.
In addition, be in series with the second normally closed switch S7 on the described second relay coil KA2, last the 3rd normally closed switch S8 of described the 3rd relay coil KA3.
In addition, be electrically connected with travel switch SQ between described transformer T and zero line N and the live wire L.
In addition, also be electrically connected with threephase asynchronous machine M1, stepper motor G and optical indicator HL on the described control circuit board U.
Lathe control circuit lathe of the present invention is by passing through the joystick manipulation spindle operation after pressing start button, after spindle chuck guard shield, knife rest protection and change gear cover are opened and are used emergency stop switch, be under the neutral state after must power-off restoration and at operating rod and can press start button, thereby guarantee handling safety.
Be different from prior art, lathe control circuit of the present invention can guarantee the security of machine operation, safety and stability.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. lathe control circuit, it is characterized in that, comprise: control circuit board, be connected with transformer on the described control circuit board, described transformer and zero line and live wire electrically connect, be electrically connected with rheostat on the described control circuit board, be electrically connected with first relay on the described rheostat, described first relay comprises first relay coil and first relay contact, described first relay coil and the series connection of first relay contact, be electrically connected with normally closed button on described first relay, be electrically connected with start button on the described control circuit board, be in series with normally closed switch and normal open switch on the described start button, described normal open switch and normally closed button electrically connect, be parallel with second relay and the 3rd relay between described normal open switch and the rheostat successively, be parallel with two first relay contacts between described normal open switch and the control circuit board successively, first switch, second switch and pilot lamp.
2. lathe control circuit according to claim 1, it is characterized in that, described second relay comprises second relay coil and second relay contact, described the 3rd relay comprises the 3rd relay coil and the 3rd relay contact, and described second relay contact and the 3rd relay contact series connection back are in parallel with first relay contact.
3. lathe control circuit according to claim 2 is characterized in that, also is in series with on described second relay contact and often drives button.
4. lathe control circuit according to claim 2 is characterized in that, is in series with second normally closed switch on described second relay coil, the 3rd normally closed switch on described the 3rd relay coil.
5. lathe control circuit according to claim 1 is characterized in that, is electrically connected with travel switch between described transformer and zero line and the live wire.
6. lathe control circuit according to claim 1 is characterized in that, also is electrically connected with threephase asynchronous machine, stepper motor and optical indicator on the described control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223033.8A CN103279067B (en) | 2013-06-06 | 2013-06-06 | Lathe control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223033.8A CN103279067B (en) | 2013-06-06 | 2013-06-06 | Lathe control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103279067A true CN103279067A (en) | 2013-09-04 |
| CN103279067B CN103279067B (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310223033.8A Active CN103279067B (en) | 2013-06-06 | 2013-06-06 | Lathe control circuit |
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| Country | Link |
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| CN (1) | CN103279067B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074347A1 (en) * | 2014-11-11 | 2016-05-19 | 深圳市京田精密科技有限公司 | Control circuit and control method for gear milling mechanism |
| CN111015499A (en) * | 2020-02-05 | 2020-04-17 | 李传聪 | Double-end hole machine automatic control circuit that grinds |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6301091B1 (en) * | 1999-04-27 | 2001-10-09 | Rockwell Automation Technologies, Inc. | Relay configuration |
| CN2582268Y (en) * | 2002-11-05 | 2003-10-22 | 陈义 | Control circuit for increasing functions for simple machine tool |
| CN201275703Y (en) * | 2008-09-02 | 2009-07-22 | 陈博辉 | Warning protecting device for operating grip of machine tool |
| CN201518183U (en) * | 2009-06-05 | 2010-06-30 | 江西电力职业技术学院 | Multifunctional electromechanical integration teaching lathe |
| CN203324756U (en) * | 2013-06-06 | 2013-12-04 | 扬州欧普兄弟机械工具有限公司 | Lathe control circuit |
-
2013
- 2013-06-06 CN CN201310223033.8A patent/CN103279067B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6301091B1 (en) * | 1999-04-27 | 2001-10-09 | Rockwell Automation Technologies, Inc. | Relay configuration |
| CN2582268Y (en) * | 2002-11-05 | 2003-10-22 | 陈义 | Control circuit for increasing functions for simple machine tool |
| CN201275703Y (en) * | 2008-09-02 | 2009-07-22 | 陈博辉 | Warning protecting device for operating grip of machine tool |
| CN201518183U (en) * | 2009-06-05 | 2010-06-30 | 江西电力职业技术学院 | Multifunctional electromechanical integration teaching lathe |
| CN203324756U (en) * | 2013-06-06 | 2013-12-04 | 扬州欧普兄弟机械工具有限公司 | Lathe control circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016074347A1 (en) * | 2014-11-11 | 2016-05-19 | 深圳市京田精密科技有限公司 | Control circuit and control method for gear milling mechanism |
| CN111015499A (en) * | 2020-02-05 | 2020-04-17 | 李传聪 | Double-end hole machine automatic control circuit that grinds |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103279067B (en) | 2016-01-13 |
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