CN106122130B - The control method of the fixture hydraulic device of pressure controllable - Google Patents
The control method of the fixture hydraulic device of pressure controllable Download PDFInfo
- Publication number
- CN106122130B CN106122130B CN201610536916.8A CN201610536916A CN106122130B CN 106122130 B CN106122130 B CN 106122130B CN 201610536916 A CN201610536916 A CN 201610536916A CN 106122130 B CN106122130 B CN 106122130B
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- pressure
- fixture
- hydraulic
- control method
- booster
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses the fixture hydraulic device and its control method of a kind of pressure controllable, the fixture hydraulic device of pressure controllable includes：Controller and the flow direction of liquid is set gradually on pipeline and along pipeline hydraulic power unit, booster, pressure switch, Workpiece clamping oil cylinder, three position four-way electromagnetic valve and proportional pressure-reducing valve, wherein, the hydraulic power unit, booster, pressure switch, Workpiece clamping oil cylinder, three position four-way electromagnetic valve and proportional pressure-reducing valve are electrically connected with the controller.According to the present invention, it can obtain and improve cutting speed, production efficiency, stabilization and the advantageous effect for improving product quality, shortening process time, reducing production cost.
Description
Technical field
The present invention relates to a kind of fixture hydraulic device and its control method, more particularly to the fixture hydraulic pressure of a kind of pressure controllable
The control method of device.
Background technology
The shortcomings that machining center useful hydraulically operated fixture system and device, is at present：
1. hydraulic system provides constant clamping pressure to the fixture on lathe, it can not adjust or adjust on demand after setting
It is cumbersome, time-consuming to have suffered journey, causes parts to be processed clamping pressure during Roughing and fine machining to give inappropriate, part is being processed
In the process due to clamping pressure is excessive or it is too small be deformed, and then influence processing part precision, surface quality etc.；
2. the clamping pressure of fixture can not be determined accurately, the pressure detecting of domestic hydraulically operated fixture is all in hydraulic power unit at present
Oil outlet, can not detect the operating pressure of clamping cylinder, in the cutting process once generate hydraulic system pipeline block
Or leakage, fixture generate decompression, are easy part rejection even lathe damage.
Invention content
Shortcoming present in view of the above technology, the object of the present invention is to provide a kind of fixture hydraulic pressure of pressure controllable
Device passes through machine tool numerical control system programming Control using proportional pressure-reducing valve, proportional pressure-relief valve control device and pressure switch etc.
It is automatically adjusted the pressure of hydraulically operated fixture, and cutting is improved to the pressure monitor of clamping cylinder by pressure switch
Product quality is stablized and improved to speed, production efficiency, shortens process time, reduces production cost, while solving to be processed
The problem that clamping pressure is uncontrollable and clamp pressure can not be detected accurately of part fixture in processing.
In order to realize above-mentioned purpose according to the present invention and other advantages, a kind of fixture hydraulic pressure dress of pressure controllable is provided
The control method set, the fixture hydraulic device include：
Controller and the flow direction of liquid is set gradually on pipeline and along pipeline hydraulic power unit, supercharging
Device, pressure switch, Workpiece clamping oil cylinder, three position four-way electromagnetic valve and proportional pressure-reducing valve, the hydraulic power unit, booster, pressure
Power relay, Workpiece clamping oil cylinder, three position four-way electromagnetic valve and proportional pressure-reducing valve are electrically connected with the controller, the control
Method processed includes the following steps：
The first step：The controller is electrically connected with numerical control machining center；
Second step：The fixture that parts to be processed is packed into the numerical control machining center is medium to be processed；
Third walks：The hydraulic power unit starts to start, and provides hydraulic oil to the booster；
4th step：The booster is conveyed to the proportional pressure-reducing valve after the pressure of hydraulic oil is increased certain amplitude；
5th step：The controller controls the proportional pressure-reducing valve according to different under the guiding of default processing program
The different machining accuracy demands of parts to be processed step up to press by automatically adjusting the pressure of hydraulic oil to adjust the fixture
Power.
Preferably, third step described in hydraulic power unit be supplied to the booster hydraulic oil pressure be 80~
100bar。
Preferably, the pressure of hydraulic oil is increased to 240~260bar by booster described in the 4th step.
Preferably, the pressure of hydraulic oil is reduced to 120~150bar by proportional pressure-reducing valve described in the 5th step.
Preferably, described three are flowed through by the hydraulic oil after the proportional pressure-reducing valve automatic pressure regulation in the 6th step
It is sent after position four-way solenoid valve to the Workpiece clamping oil cylinder, different clampings when parts to be processed being made to obtain different cutting speeds
Pressure.
Preferably, the pressure switch is monitored by the pressure to hydraulic oil to judge the clamping of the fixture
Whether pressure reaches preset clamping pressure.
Preferably, when pipeline occurs to block or reveal the insufficient pressure so as to cause hydraulic oil, the pressure relay
Device sends a signal to the numerical control machining center, and the numerical control machining center sends out the warning of insufficient pressure.
Compared with prior art, the present invention advantage is：
1, using the fixture hydraulic device of pressure controllable, according to different requirement on machining accuracy (the thick, essence of parts to be processed
Processing) needed for the clamping pressure of fixture automatically adjust, the pressure whether set to parts to be processed is monitored；
2, it blocks or leaks in hydraulic system pipeline, fixture signals when generating decompression, and machine tool numerical control system proposes alarm
Show；
3, cutting speed, production efficiency are improved, product quality is stablized and improve, shortens process time, reduces production
Cost；
The clamping pressure of fixture is uncontrollable when 4, solving work pieces process and the clamping pressure of fixture can not be examined accurately
The problem of survey；
5, it realizes mechanical-electrical-hydraulic integration, improves functional reliability, realize hydraulic system flexibility, intelligence, change hydraulic pressure
System effectiveness is low, oil leak, the shortcomings of maintainability is poor, gives full play to hydraulic drive and contributes the advantages that big, coherence is small, response is fast.
Description of the drawings
Fig. 1 is the systematic schematic diagram according to the fixture hydraulic device of pressure controllable in an embodiment of the present invention.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, foregoing end other objects of the invention, feature, side
Face and advantage will be apparent, to enable those skilled in the art that can implement according to this with reference to specification word.
Referring to Fig.1, the fixture hydraulic device 100 of pressure controllable includes：Controller (slightly draw) and on pipeline and edge
The flow direction of liquid is set gradually in pipeline hydraulic power unit 110, booster 120, pressure switch 130, Workpiece clamping oil
Cylinder 140, three position four-way electromagnetic valve 150 and proportional pressure-reducing valve 160,
Wherein, hydraulic power unit 110, booster 120, pressure switch 130, Workpiece clamping oil cylinder 140,3-position 4-way electromagnetism
Valve 150 and proportional pressure-reducing valve 160 are electrically connected with the controller.
The control method of the fixture hydraulic device of the pressure controllable includes the following steps：
The first step：The controller is electrically connected with numerical control machining center；
Second step：The fixture that parts to be processed is packed into the numerical control machining center is medium to be processed；
Third walks：Hydraulic power unit 110 starts to start, and provides hydraulic oil to booster 120；
4th step：Booster 120 is conveyed to proportional pressure-reducing valve 160 after the pressure of hydraulic oil is increased certain amplitude；
5th step：Under the guiding of default processing program, control proportional pressure-reducing valve 160 waits for the controller according to different
The different machining accuracy demands for processing part, adjust the fixture by automatically adjusting the pressure of hydraulic oil steps up pressure.
In one embodiment, third step in hydraulic power unit 110 be supplied to the booster hydraulic oil pressure be 80~
100bar。
In one embodiment, the pressure of hydraulic oil is increased to 240~260bar by booster 120 in the 4th step.
In one embodiment, the pressure of hydraulic oil is reduced to 120~150bar by proportional pressure-reducing valve 160 in the 5th step.
In one embodiment, three are flowed through by the hydraulic oil after 160 automatic pressure regulation of proportional pressure-reducing valve in the 5th step
It is sent after four way solenoid valve 150 to Workpiece clamping oil cylinder 140, different clampings when parts to be processed being made to obtain different cutting speeds
Pressure.
In one embodiment, pressure switch 130 is monitored by the pressure to hydraulic oil to judge the fixture
Whether clamping pressure reaches preset clamping pressure.
In one embodiment, when pipeline occurs to block or reveal the insufficient pressure so as to cause hydraulic oil, pressure relay
Device 130 sends a signal to the numerical control machining center, and the numerical control machining center sends out the warning of insufficient pressure.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application,
Modifications and variations will be readily apparent to persons skilled in the art.
According to the present invention, as described above, it is possible to obtain following advantageous effect：
1, using the fixture hydraulic device of pressure controllable, according to different requirement on machining accuracy (the thick, essence of parts to be processed
Processing) needed for the clamping pressure of fixture automatically adjust, the pressure whether set to parts to be processed is monitored；
2, it blocks or leaks in hydraulic system pipeline, fixture signals when generating decompression, and machine tool numerical control system proposes alarm
Show；
3, cutting speed, production efficiency are improved, product quality is stablized and improve, shortens process time, reduces production
Cost；
The clamping pressure of fixture is uncontrollable when 4, solving work pieces process and the clamping pressure of fixture can not be examined accurately
The problem of survey；
5, it realizes mechanical-electrical-hydraulic integration, improves functional reliability, realize hydraulic system flexibility, intelligence, change hydraulic pressure
System effectiveness is low, oil leak, the shortcomings of maintainability is poor, gives full play to hydraulic drive and contributes the advantages that big, coherence is small, response is fast.
Although the embodiments of the present invention have been disclosed as above, but it is not limited in listed fortune in specification and embodiments
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily real
Now other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is not limited to
Specific details and legend shown and described herein.
Claims (7)
1. a kind of control method of the fixture hydraulic device of pressure controllable, the fixture hydraulic device include：It controller and is set to
On pipeline and the flow direction of liquid is set gradually along pipeline hydraulic power unit, booster, pressure switch, Workpiece clamping oil
Cylinder, three position four-way electromagnetic valve and proportional pressure-reducing valve, the hydraulic power unit, booster, pressure switch, Workpiece clamping oil cylinder, three
Position four-way solenoid valve and proportional pressure-reducing valve are electrically connected with the controller, which is characterized in that the control method includes following
Step：
The first step：The controller is electrically connected with numerical control machining center；
Second step：The fixture that parts to be processed is packed into the numerical control machining center is medium to be processed；
Third walks：The hydraulic power unit starts to start, and provides hydraulic oil to the booster；
4th step：The booster is conveyed to the proportional pressure-reducing valve after the pressure of hydraulic oil is increased certain amplitude；
5th step：The controller controls the proportional pressure-reducing valve according to different to be added under the guiding of default processing program
The different machining accuracy demands of work part, adjust the fixture by automatically adjusting the pressure of hydraulic oil steps up pressure.
2. the control method of the fixture hydraulic device of pressure controllable as described in claim 1, which is characterized in that institute in third step
It is 80~100bar to state hydraulic power unit and be supplied to the pressure of the hydraulic oil of the booster.
3. the control method of the fixture hydraulic device of pressure controllable as described in claim 1, which is characterized in that institute in the 4th step
State booster increases to 240~260bar by the pressure of hydraulic oil.
4. the control method of the fixture hydraulic device of pressure controllable as described in claim 1, which is characterized in that institute in the 5th step
It states proportional pressure-reducing valve and the pressure of hydraulic oil is reduced to 120~150bar.
5. the control method of the fixture hydraulic device of pressure controllable as described in claim 1, which is characterized in that lead in the 6th step
The hydraulic oil after the proportional pressure-reducing valve automatic pressure regulation is crossed, is sent to the workpiece clamp after flowing through the three position four-way electromagnetic valve
Locking oil cylinder, different clamping pressures when parts to be processed being made to obtain different cutting speeds.
6. the control method of the fixture hydraulic device of pressure controllable as described in claim 1, which is characterized in that the pressure after
Whether the clamping pressure that electric appliance is monitored to judge the fixture by the pressure to hydraulic oil reaches preset clamping pressure.
7. the control method of the fixture hydraulic device of pressure controllable as claimed in claim 6, which is characterized in that when pipeline occurs
When blocking or revealing the insufficient pressure so as to cause hydraulic oil, the pressure switch is sent a signal in the digital control processing
The heart, the numerical control machining center send out the warning of insufficient pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536916.8A CN106122130B (en) | 2016-07-08 | 2016-07-08 | The control method of the fixture hydraulic device of pressure controllable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610536916.8A CN106122130B (en) | 2016-07-08 | 2016-07-08 | The control method of the fixture hydraulic device of pressure controllable |
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| CN106122130A CN106122130A (en) | 2016-11-16 |
| CN106122130B true CN106122130B (en) | 2018-09-28 |
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| CN201610536916.8A Active CN106122130B (en) | 2016-07-08 | 2016-07-08 | The control method of the fixture hydraulic device of pressure controllable |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107695792A (en) * | 2017-09-29 | 2018-02-16 | 金华市佛尔泰精密机械制造有限公司 | A kind of control method of intelligent fixture |
| CN112283183A (en) * | 2020-10-27 | 2021-01-29 | 中冶南方工程技术有限公司 | Electrode clamping hydraulic device adopting supercharger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10201183A1 (en) * | 2001-01-12 | 2002-08-14 | Hartmann & Laemmle | Device for feeding oil under pressure to hydraulic cylinders for operating a clamping device at a defined pressure returns oil leakage flow to the reservoir of a pressure feed system. |
| CN201173223Y (en) * | 2007-12-21 | 2008-12-31 | 洛阳锐腾机械技术有限公司 | Hydraulic control mechanism of fastening device suitable for screw-on of ordinary buckle and special buckle |
| CN204164063U (en) * | 2014-09-11 | 2015-02-18 | 北京市三一重机有限公司 | A kind of clamping cylinder control system and engineering machinery |
| CN204239359U (en) * | 2014-11-11 | 2015-04-01 | 东莞市长安同金液压机械配件维修店 | Hydraulic clamp control system and device using the system |
-
2016
- 2016-07-08 CN CN201610536916.8A patent/CN106122130B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10201183A1 (en) * | 2001-01-12 | 2002-08-14 | Hartmann & Laemmle | Device for feeding oil under pressure to hydraulic cylinders for operating a clamping device at a defined pressure returns oil leakage flow to the reservoir of a pressure feed system. |
| CN201173223Y (en) * | 2007-12-21 | 2008-12-31 | 洛阳锐腾机械技术有限公司 | Hydraulic control mechanism of fastening device suitable for screw-on of ordinary buckle and special buckle |
| CN204164063U (en) * | 2014-09-11 | 2015-02-18 | 北京市三一重机有限公司 | A kind of clamping cylinder control system and engineering machinery |
| CN204239359U (en) * | 2014-11-11 | 2015-04-01 | 东莞市长安同金液压机械配件维修店 | Hydraulic clamp control system and device using the system |
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| CN106122130A (en) | 2016-11-16 |
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Effective date of registration: 20210514 Address after: 210000 building C17, No.9 Kechuang Avenue, Zhongshan Science Park, Liuhe District, Nanjing City, Jiangsu Province Patentee after: JIANGSU YUANLI AVIA PRECISION MACHINE TOOL Co.,Ltd. Address before: No. 1 Zidong Road, Qixia District, Nanjing City, Jiangsu Province, 210000 Patentee before: JIANGSU YUANLI NUMERICAL CONTROL MACHINE TOOL Co.,Ltd. |