CN103213022A - Safety protection device of hydraulic chuck - Google Patents
Safety protection device of hydraulic chuck Download PDFInfo
- Publication number
- CN103213022A CN103213022A CN2013100941621A CN201310094162A CN103213022A CN 103213022 A CN103213022 A CN 103213022A CN 2013100941621 A CN2013100941621 A CN 2013100941621A CN 201310094162 A CN201310094162 A CN 201310094162A CN 103213022 A CN103213022 A CN 103213022A
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- Prior art keywords
- chuck
- main shaft
- encoder
- coder
- safety protection
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Abstract
The invention provides a safety protection device of a hydraulic chuck, aiming at providing a safer more-effective control device and an electrical control method to realize safe clamping and loosening actions of the chuck. The safety protection device of the hydraulic chuck comprises coder, a coupler and a coder bracket, wherein the coupler and the coder are connected together. The safety protection device of the hydraulic chuck is characterized in that the coder is fixedly arranged on a main shaft box body by the coder bracket; a main shaft synchronous pulley is installed on a main shaft; and a synchronous belt is installed between the main shaft synchronous pulley on the main shaft and a coder pulley. According to a numerical control machine tool installed with the safety protection device of the hydraulic chuck, only when the rotation speed of the chuck is lower than 5r/min (rotation per minute) or is in a stop state, the chuck can act; in such a way, the danger caused by the misoperation of an operator can be prevented; and therefore, the reliability of a chuck clamping device is improved greatly and the danger coefficient of machine tool operation is furthest decreased.
Description
Technical field
The present invention relates to the safety guard of the hydraulic pressure clamping chuck that uses on a kind of Digit Control Machine Tool.
Background technology
Machine adopted be automatic hydraulic chuck clamping device, there is floor push to control, as long as alternately step on floor push, can realize the clamping and the relaxation state of chuck, when chuck rotates at a high speed, the controller parking order is once sending, chuck be because inertia just can come to a complete stop after will prolonging the several seconds, and controller thinks that then chuck stops fully, at this moment operator's floor push of stepping on unintentionally, the workpiece of clamping will fly out suddenly, lathe and operator is existed the danger of certain degree.And prior art is to adopt the chuck Parking duration to control chuck output, is provided with oversizely as time-delay, and then the efficient of processing work reduces, and setting too short then can just be finished loosening up when chuck rotates, and the workpiece of clamping can be dished out, and causes danger.
Summary of the invention
Purpose of the present invention produces in order to eliminate the background potential safety hazard, its objective is in order to provide a kind of safer, and more effectively control device and electric control method realize that the safety of chuck clamps and loosening up.For achieving the above object, the technical solution used in the present invention is:
A kind of oild chuck safety guard; comprise encoder, shaft coupling, encoder support; shaft coupling and encoder link together; it is characterized in that: the encoder support is fixed on encoder on the main shaft casing; the main shaft synchronous pulley is housed on the main shaft, between main shaft synchronous pulley on the main shaft and the encoder belt wheel synchronous band is housed.
The ratio of the number of teeth of the main shaft synchronous pulley on the number of teeth of described encoder belt wheel and the main shaft is 1:1.
On the described encoder support trimming rack is housed also.
The high-speed pulse interface of the inner PLC of lathe is received in described encoder A pulse wiring.
Advantage of the present invention is:
Digit Control Machine Tool of the present invention is installed, when having only the chuck rotating speed to be lower than the following or halted state of 5r/min, chuck could move, and so just can avoid the danger of operator's maloperation generation, chuck clamps device reliability to be strengthened greatly, makes the danger coefficient of operation lathe drop to minimum.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the flow chart of electrical control of oild chuck safety device and action.
Fig. 3 is to be the line graph of encoder to controller.
In the accompanying drawing: 1, main shaft synchronous pulley; 2, be with synchronously; 3, encoder support; 4, encoder belt wheel; 5, trimming rack; 6, shaft coupling; 7, encoder; 8, chuck; 9, main shaft; 10, main shaft casing.
The specific embodiment
Below in conjunction with further specifying of accompanying drawing:
Of the present inventionly to produce in order eliminating safe hidden trouble, to its objective is in order to provide a kind of safer, more effectively control device and electric control method realize that the safety of chuck clamps and loosening up.
As Fig. 1, this device has following original paper to constitute: encoder 7, shaft coupling 6, encoder support 3, main shaft synchronous pulley 1, encoder belt wheel 4, trimming rack 5, be with 2 to constitute synchronously.With the belt wheel of main shaft 9 and encoder belt wheel 4 through synchronously with 2 be connected, the ratio of the number of teeth of the belt wheel of the number of teeth of encoder belt wheel 4 and chuck 8 (main shaft synchronous pulley 1) is 1:1.That is to say, chuck 8 rotations, through being with 2 to drive encoder 7 synchronously, the rotating speed of encoder belt wheel 4 is exactly the rotating speed of chuck 8, and encoder 7 is given controller with the speed feedback of chuck 8.For the sake of security, will to move speed setting be 5r/min to control system.When chuck rotates at a high speed or before chuck do not come to a complete stop, control system is not exported the chuck action, when having only the chuck rotating speed to be lower than the following or halted state of 5r/min, chuck could move, the danger that so just can avoid operator's maloperation to take place, chuck clamps device reliability to be strengthened greatly, makes the danger coefficient of operation lathe drop to minimum.Trimming rack 5 is contained on the encoder support 3, is convenient to regulate synchronously the tightness with 2.
These control device characteristics:
Main shaft synchronous pulley 1 is 1:1 with encoder belt wheel 4 gear ratios, and the rotating speed that encoder 7 feeds back to controller is exactly the rotating speed of chuck 8.Secondly, the parts of the electrical control gear of oild chuck safeguard protection mainly contain: (1), PLC model: K3P-07CS; (2), encoder model: ZSW615-02CW.The purpose that connects encoder 7 is, encoder 7 is the rotating speed of high-precision test chuck 8 more, and the high-speed pulse interface of the PLC of lathe inside is received in the A pulse of encoder 7, carries out capturing and coding device A pulse by the high-speed pulse mouth, give PLC with the speed feedback of chuck constantly, handle through PLC.By the plug-in of PLC and then the equipment of control peripheral interface.
If the rotating speed of chuck 8 is higher than the state of 5r/min, signal is passed to the PLC of control chuck 8, and ancillary equipment is failure to actuate.As long as the rotating speed of chuck 8 is lower than 5r/min, PLC could export the chuck action, ensures absolute safety.
According to foregoing invention, chuck 8 rotations, through being with 2 to drive encoder 7 synchronously, encoder 7 is all the time to give PLC with the speed feedback of chuck 8 accurately, before chuck 8 rotates at a high speed or do not come to a complete stop, PLC does not export the chuck action, when having only chuck 8 rotating speeds to be lower than the following or halted state of 5r/min, chuck 8 could move, and so just can avoid the danger of operator's maloperation generation, chuck clamps device reliability to be strengthened greatly, makes the danger coefficient of operation lathe drop to minimum.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and protection domain are limited; under the prerequisite that does not break away from design concept of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement all should fall into protection scope of the present invention.
Claims (4)
1. oild chuck safety guard; comprise encoder (7), shaft coupling (6), encoder support (3); shaft coupling (6) links together with encoder (7); it is characterized in that: encoder support (3) is fixed on encoder (7) on the main shaft casing (10); main shaft synchronous pulley (1) is housed on the main shaft (9), between main shaft synchronous pulley (1) on the main shaft (9) and the encoder belt wheel (4) synchronous band (2) is housed.
2. oild chuck safety guard according to claim 1 is characterized in that: the ratio of the number of teeth of the number of teeth of described encoder belt wheel (4) and the main shaft synchronous pulley (1) on the main shaft is 1:1.
3. oild chuck safety guard according to claim 1 is characterized in that: trimming rack (5) also is housed on the described encoder support (3).
4. oild chuck safety guard according to claim 1 is characterized in that: the high-speed pulse interface of the inner PLC of lathe is received in described encoder (7) A pulse wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100941621A CN103213022A (en) | 2013-03-22 | 2013-03-22 | Safety protection device of hydraulic chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100941621A CN103213022A (en) | 2013-03-22 | 2013-03-22 | Safety protection device of hydraulic chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103213022A true CN103213022A (en) | 2013-07-24 |
Family
ID=48811352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100941621A Pending CN103213022A (en) | 2013-03-22 | 2013-03-22 | Safety protection device of hydraulic chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103213022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816160A (en) * | 2015-03-30 | 2015-08-05 | 秦士来 | Turning and drilling compound machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023077A (en) * | 1974-09-17 | 1977-05-10 | The Colchester Lathe Company Limited | Gating circuit |
| JPS58186546A (en) * | 1982-04-20 | 1983-10-31 | Kawasaki Heavy Ind Ltd | Safety device of numerical control machine tool |
| CN2701579Y (en) * | 2004-09-20 | 2005-05-25 | 沈阳建筑大学 | High speed precise numerical-control grinding and processing device based on PMAC |
| CN201906895U (en) * | 2010-12-28 | 2011-07-27 | 上海合纵重工机械有限公司 | Four-linkage enveloping worm numerical control (NC) grinding composite machine tool |
| CN202516881U (en) * | 2012-02-17 | 2012-11-07 | 长春工程学院 | Precise localization device for detection of vehicle longitudinal member |
| CN203210090U (en) * | 2013-03-22 | 2013-09-25 | 山东鲁南机床有限公司 | Safety protection device of hydraulic chuck |
-
2013
- 2013-03-22 CN CN2013100941621A patent/CN103213022A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023077A (en) * | 1974-09-17 | 1977-05-10 | The Colchester Lathe Company Limited | Gating circuit |
| JPS58186546A (en) * | 1982-04-20 | 1983-10-31 | Kawasaki Heavy Ind Ltd | Safety device of numerical control machine tool |
| CN2701579Y (en) * | 2004-09-20 | 2005-05-25 | 沈阳建筑大学 | High speed precise numerical-control grinding and processing device based on PMAC |
| CN201906895U (en) * | 2010-12-28 | 2011-07-27 | 上海合纵重工机械有限公司 | Four-linkage enveloping worm numerical control (NC) grinding composite machine tool |
| CN202516881U (en) * | 2012-02-17 | 2012-11-07 | 长春工程学院 | Precise localization device for detection of vehicle longitudinal member |
| CN203210090U (en) * | 2013-03-22 | 2013-09-25 | 山东鲁南机床有限公司 | Safety protection device of hydraulic chuck |
Non-Patent Citations (1)
| Title |
|---|
| 李伟: "《数控技术》", 31 August 2011 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816160A (en) * | 2015-03-30 | 2015-08-05 | 秦士来 | Turning and drilling compound machine tool |
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Application publication date: 20130724 |