CN102837224A - Control method of pneumatic instrument lathe carriage - Google Patents
Control method of pneumatic instrument lathe carriage Download PDFInfo
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- CN102837224A CN102837224A CN2012101309136A CN201210130913A CN102837224A CN 102837224 A CN102837224 A CN 102837224A CN 2012101309136 A CN2012101309136 A CN 2012101309136A CN 201210130913 A CN201210130913 A CN 201210130913A CN 102837224 A CN102837224 A CN 102837224A
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Abstract
The invention provides a control method of a pneumatic instrument lathe carriage, comprising a movable carriage, a serial air cylinder, a three-position and four-way solenoid valve, throttling valves, a one-way valve, an oil supplementing cup, induction switches. The control method is characterized in that the drive of the movable carriage is formed by connecting two cylinder bodies in series, wherein compressed air is introduced into one cylinder body to provide power; oil is introduced into the two ends of the other cylinder body and is controlled by the three-position and four-way valve; and the three-position and four-way solenoid valve is in a suspended type, namely when two control coils of the three-position and four-way are powered off, four interfaces are wholly disconnected. The opening P and the opening A of the three-position and four-way valve are respectively connected with the two interfaces of the oil introducing cylinder body of the serial air cylinder; and the two throttling valves are connected with the other two interfaces (namely an oil inlet and an oil inlet are connected together, and an oil outlet and an oil outlet are connected together) as well as the opening T and the opening B of the three-position and four-way valve. The induction switches are arranged at the different positions of the cylinder body according to requirements to control the movement of the three-position and four-way solenoid valve to realize rapid and speed-adjusting movements of the lathe carriage at any direction and the stopping at any position. The oil supplementing cup is used for supplementing oil leakage and feeding oil at the starting process; and the one-way valve is used for preventing from returning the oil back to the oil supplementing cup.
Description
Technical field
This patent relates to a kind of control method of pneumatic instrument lathe carriage, and especially a kind of is power with compressed air, promotes the instrument lathe that the knife rest action is cut.
Background technology
Instrument lathe is widely used in the five metals processing because of its flexible and changeable processing method, and along with skilled worker's the wage difficult problem that improves constantly and advertise for workers, the measuring truck of pneumatic control has received extensive welcome.The pneumatic instrument car is generally all by PLC or Single-chip Controlling cylinder, and the cutter that promotes on the cross saddle is accomplished specified action by the program of setting, and reaches processing purpose.Because gas has compressibility; Require cutter to carry out uniform motion in the time of can't reaching machining with slower speed; So generally all need dispose the oil buffer of adjustable speed on the pneumatic instrument car, make cylinder realize uniform motion to a certain extent, thereby realize the at the uniform velocity feeding of cutter.But oil buffer costs an arm and a leg on the one hand, on the other hand owing to be a closed container, can't repairing, and will cause whole buffer to be scrapped in case occur leaking, make the service life of buffer extremely of short duration.Because the relation of installing space and cost generally only is provided with a buffer on the direction of tool motion, can't process needs two-way (or multiposition) at the uniform velocity product of feeding, and the use of pneumatic instrument car is very limited simultaneously.Also have, in process, need the motion planker of measuring truck can be implemented in a plurality of locational motions and stop, single cylinder can't achieve this end; Have to adopt a plurality of cylinder controls; In case require position more than, will make cylinder control complicated, with high costs.The control method of the pneumatic instrument car planker of therefore inventing a kind of whole process control speed that can realize the motion planker and multiposition motion or stopping the very necessity that seems.
Summary of the invention
The object of the present invention is to provide a kind of simple and reliable for structurely, the whole process control speed that can realize the motion planker is moved with multiposition or the control method of the pneumatic instrument car planker that stops.Technical scheme of the present invention is such: a kind of control method of pneumatic instrument lathe carriage comprises motion planker, serial cylinders, three position four-way electromagnetic valve, choke valve, check valve, repairing cup, inductive switch etc.The driving that it is characterized in that the motion planker is in series by 2 cylinder bodies, and one of them cylinder body feeds compressed air, and power is provided, and the logical oil in another cylinder body two ends is by a three-position four-way valve control; Three-position four-way valve is that interrupt-type is its 2 control coils when all cutting off the power supply, and four interfaces are all to break off each other.The P mouth of three-position four-way valve, A mouth connect 2 interfaces of the logical cylinder body of serial cylinders respectively; 2 choke valves connect relatively (being that oil-in and oil-in are connected together, also can be that oil-out is connected together with oil-out) in addition the T mouth of 2 interfaces and three-position four-way valve link to each other with the B mouth.When coil electricity of three-position four-way valve; Its P mouth and A mouth UNICOM, T mouth and B mouth UNICOM, the two ends of the logical cylinder body of serial cylinders are through P mouth, the direct UNICOM of A mouth; When the ventilation cylinder body moves under the compressed air effect; The fluid of logical cylinder body can directly circulate through P mouth, A mouth fast, realizes the rapid movement of motion planker, realizes the quick convergence of cutter etc.; When another coil electricity of three-position four-way valve, its P mouth and B mouth UNICOM, T mouth and A mouth UNICOM; The two ends of the logical cylinder body of serial cylinders arrive the T mouth through P mouth, B mouth, 2 choke valves, again with A mouth UNICOM, when the ventilation cylinder body moves under the compressed air effect; The fluid of logical cylinder body need pass through choke valve, and 2 choke valves all are parallel with check valve, and are relative series connection; So during the motion of each direction of motion planker through a choke valve; With the check valve of another choke valve, realize the two-way speed governing campaign respectively of motion planker, make cutter in all directions feeding at a slow speed; Certainly, if only need a direction speed governing, so just only need with a choke valve; When the motion planker moves, cut off 2 coils of three position four-way electromagnetic valve, 4 interfaces all break off, and the fluid of logical cylinder body can't circulate, because the Incoercibility of oil makes the stop motion of motion planker, realizes that the multiposition of motion planker stops.During use, at the diverse location of cylinder body inductive switch is set as required, the action of control three position four-way electromagnetic valve just can realize stopping of motion planker quick, speed governing operation and optional position in any direction.The repairing cup is the additional oil liquid leakage and the usefulness of when beginning, refueling, and check valve is to stop fluid to back the repairing cup.
Description of drawings
Fig. 1 is the structural representation of the stop motion of the embodiment of the invention.
Fig. 2 is the structural representation of the rapid movement of the embodiment of the invention.
Fig. 3 is the structural representation of the speed governing campaign of the embodiment of the invention.
Specify below in conjunction with the embodiment of the invention: a kind of control method of pneumatic instrument lathe carriage comprises motion planker 1, serial cylinders 2, three position four-way electromagnetic valve 3, choke valve 4, check valve 5, repairing cup 6, inductive switch 7 etc.The driving that it is characterized in that the motion planker is in series by 2 cylinder bodies, and one of them cylinder body 8 feeds compressed air, and power is provided, and the logical oil in another cylinder body 9 two ends is by 3 controls of a three position four-way electromagnetic valve; Three position four-way electromagnetic valve 3 is its 2 control coils when all cutting off the power supply for interrupt-type, and four interfaces are all to break off each other.The P mouth of three-position four-way valve 3, A mouth connect 2 interfaces of serial cylinders 2 logical cylinder bodies 9 respectively; 2 choke valves 4 connect relatively (being that oil-in and oil-in are connected together, also can be that oil-out is connected together with oil-out) in addition the T mouth of 2 interfaces and three-position four-way valve 3 link to each other with the B mouth.When coil electricity of three-position four-way valve 3; Its P mouth and A mouth UNICOM, T mouth and B mouth UNICOM, the two ends of the logical cylinder body 9 of serial cylinders 2 are through P mouth, the direct UNICOM of A mouth; When ventilation cylinder body 8 moves under the compressed air effect; The fluid of logical cylinder body 9 can directly circulate through P mouth, A mouth fast, realizes the rapid movement of motion planker 1, realizes the quick convergence of cutter etc.; When another coil electricity of three-position four-way valve 3, its P mouth and B mouth UNICOM, T mouth and A mouth UNICOM; The two ends of the logical cylinder body 9 of serial cylinders 2 arrive the T mouth through P mouth, B mouth, 2 choke valves, again with A mouth UNICOM, when ventilation cylinder body 8 moves under the compressed air effect; The fluid of logical cylinder body 9 need pass through 4,2 choke valves 4 of choke valve and all be parallel with check valve, and is relative series connection; So during each direction motion of motion planker 1 through a choke valve 4; With the check valve of another choke valve 4, realize the two-way speed governing campaign respectively of motion planker 1, make cutter in all directions feeding at a slow speed; Certainly, if only need a direction speed governing, so just only need with a choke valve 4; Moved 1 o'clock at the motion planker, cut off 2 coils of three position four-way electromagnetic valve 3,4 interfaces all break off, and the fluid of logical cylinder body 9 can't circulate, because the Incoercibility of oil makes 1 stop motion of motion planker, realize that the multiposition of motion planker 1 stops.During use, at the diverse location of cylinder body inductive switch 7 is set as required, the action of control three position four-way electromagnetic valve 3 just can realize stopping of motion planker 1 quick, speed governing operation and optional position in any direction.Repairing cup 6 is the additional oil liquid leakage and the usefulness of when beginning, refueling, and check valve 5 is to stop fluid to back repairing cup 6.
The present invention also can use parallelly connected cylinder to realize this function, and one of them cylinder body feeds compressed air equally, and power is provided, and another cylinder body feeds fluid, by a three-position four-way valve control.
Three position four-way electromagnetic valve among the present invention also can use Pneumatic valve to replace.
Used 2 choke valves to realize the two-way speed governing operation respectively of motion planker in the embodiment of the invention, if only need a direction speed governing, so just only need be with a choke valve.
Claims (7)
1. the control method of a pneumatic instrument lathe carriage; Comprise motion planker, serial cylinders, three position four-way electromagnetic valve, choke valve, check valve, repairing cup, inductive switch etc.; The drive part that it is characterized in that the motion planker is in series by 2 cylinder bodies, and one of them cylinder body feeds compressed air, and power is provided; Another cylinder body feeds fluid, by a three-position four-way valve control.
2. the control method of a kind of pneumatic instrument lathe carriage as claimed in claim 1 is characterized in that three position four-way electromagnetic valve is that interrupt-type is its 2 control coils when all cutting off the power supply, and four interfaces are all to break off each other.
3. the control method of a kind of pneumatic instrument lathe carriage as claimed in claim 1 is characterized in that P mouth, the A mouth of three-position four-way valve connect 2 interfaces of the logical cylinder body of serial cylinders respectively, and the T mouth of three-position four-way valve and B mouth are connected with 2 choke valves.
4. the control method of a kind of pneumatic instrument lathe carriage as claimed in claim 1 it is characterized in that choke valve all is parallel with check valve, and 2 choke valves is relative series connection.
5. the control method of a kind of pneumatic instrument lathe carriage as claimed in claim 1 is characterized in that the motion planker direction of motion is provided with a plurality of inductive switches.
6. the control method of a kind of pneumatic instrument lathe carriage as claimed in claim 1 is characterized in that pipeline is provided with the repairing cup, between the series connection check valve.
7. the control method of a kind of pneumatic instrument lathe carriage as claimed in claim 1; It is characterized in that using parallelly connected cylinder to replace serial cylinders, one of them cylinder body feeds compressed air equally, and power is provided; Another cylinder body feeds fluid, by a three-position four-way valve control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101309136A CN102837224A (en) | 2012-05-02 | 2012-05-02 | Control method of pneumatic instrument lathe carriage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101309136A CN102837224A (en) | 2012-05-02 | 2012-05-02 | Control method of pneumatic instrument lathe carriage |
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| CN102837224A true CN102837224A (en) | 2012-12-26 |
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| CN2012101309136A Pending CN102837224A (en) | 2012-05-02 | 2012-05-02 | Control method of pneumatic instrument lathe carriage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802020A (en) * | 2014-01-24 | 2015-07-29 | 宁波市鄞州钧发数控设备有限公司 | Pneumatic oil pressure machine tool |
| CN110092252A (en) * | 2019-04-19 | 2019-08-06 | 辽宁工程技术大学 | A kind of hydraulic type buffer of elevator performance synthesis detection system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201505838U (en) * | 2009-08-21 | 2010-06-16 | 张立升 | Lathe carriage stroke controlling device |
| CN201807945U (en) * | 2010-09-06 | 2011-04-27 | 陈云法 | Lathe carriage stroke controller |
-
2012
- 2012-05-02 CN CN2012101309136A patent/CN102837224A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201505838U (en) * | 2009-08-21 | 2010-06-16 | 张立升 | Lathe carriage stroke controlling device |
| CN201807945U (en) * | 2010-09-06 | 2011-04-27 | 陈云法 | Lathe carriage stroke controller |
Non-Patent Citations (2)
| Title |
|---|
| 李永滨等: "气-液组合元件及应用回路", 《液压与气动》 * |
| 章宏甲等: "《液压与气压传动》", 31 January 2003, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802020A (en) * | 2014-01-24 | 2015-07-29 | 宁波市鄞州钧发数控设备有限公司 | Pneumatic oil pressure machine tool |
| CN110092252A (en) * | 2019-04-19 | 2019-08-06 | 辽宁工程技术大学 | A kind of hydraulic type buffer of elevator performance synthesis detection system |
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Application publication date: 20121226 |