CN205372073U - High pressure pneumatic balanced system - Google Patents
High pressure pneumatic balanced system Download PDFInfo
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- CN205372073U CN205372073U CN201620079924.XU CN201620079924U CN205372073U CN 205372073 U CN205372073 U CN 205372073U CN 201620079924 U CN201620079924 U CN 201620079924U CN 205372073 U CN205372073 U CN 205372073U
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- booster pump
- digital display
- high pressure
- display manometer
- working cylinder
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Abstract
The utility model relates to a high pressure pneumatic balanced system, including gas holder, air supply opening, operation cylinder, have digital display manometer, electromagnetism pneumatic valve, booster pump and the relief valve of control output device, gas circuit that the air supply opening passes through the electromagnetism pneumatic valve and the input port of booster pump intercommunication, the delivery outlet of operation cylinder and booster pump is respectively through relief valve and gas tank connection, the digital display manometer setting in the gas circuit that operation cylinder communicates with the gas holder, the control output device and the electromagnetism pneumatic valve electric connection of digital display manometer. This high pressure pneumatic balanced system realizes pressure balance's in the gas holder control through the digital display manometer that sets up electromagnetism pneumatic valve, booster pump, relief valve and take controlling means, and the characteristics such as simple structure is reasonable, dependable performance, the equilibrium is strong, the pressure oscillation is little, reaction is rapid that it has are on the part that can the wide application moves along Z axle direction in machining center to reduce Z axle direction and move the perpendicular impact force of part, improve the life of machining precision and machine.
Description
Technical field
This utility model relates to a kind of control pressurer system for the motion of machining center Z-direction, particularly to a kind of high pressure gas dynamic balance system.
Background technology
The Z axis processing of numerical control machining center plays pivotal role in processing precision of products control, existing numerical control machining center clamping workpiece carries out the movement of Z-axis direction, it generally is configured with counter weight device, the workpiece of clamping is preloaded, with the load of exerting oneself needed for alleviating servo motor.Utilize pneumatic cylinder to carry out counterweight, there is the advantages such as response speed is fast, moment reaction impedance is minimum, maintenance is cheap, thus be extensively employed.
But, air pressure in-cylinder pressure with its in gas volume be inverse relation, after work package carries out Long travel displacement, gas volume in this pneumatic cylinder produces a large amount of change, and makes pressure in pressure produce acute variation, and significantly changes preloading load, and then significantly change the work motor load to work, in order to be enough to deal with the bear that amplitude of variation is big, it is necessary for selecting the motor exerted oneself more greatly, and motor cost is greatly improved.Furthermore, gas makes pressure be substantially improved after by high compression, if pressure exceedes the upper load limit of air pressure or associated pipe, can produce the danger such as cylinder body or pipelines from bursting；Furthermore, the leakage of pneumatic cylinder content gas is difficult to avoid that, after life-time service, insufficient pressure also can affect preloading effect.Therefore, it is necessary to make further improvements.
Utility model content
The purpose of this utility model aim to provide a kind of simple and reasonable, dependable performance, balance are strong, pressure oscillation is little, willing high pressure gas dynamic balance system, to overcome weak point of the prior art.
The purpose of this utility model is achieved in that
High pressure gas dynamic balance system, including air accumulator, air supply opening, working cylinder and the digital display manometer with control output device, it is characterized in that: also include electromagnetic gas valve, booster pump and relief valve, air supply opening is connected with the input port of booster pump by the gas circuit of electromagnetic gas valve, the delivery outlet of working cylinder and booster pump is connected with air accumulator respectively through relief valve, digital display manometer is arranged in the gas circuit that working cylinder connects with air accumulator, and the control output device of digital display manometer is electrically connected with electromagnetic gas valve.Native system is by monitoring the pressure in air accumulator, according to the comparing result with setting pressure, decides whether to supply in air accumulator, to keep pressure balance.
The purpose of this utility model can also adopt techniques below measure to solve:
As a scheme more specifically, the control output device of described digital display manometer is auxiliary reclay.First setting pressure during operation, the pressure of air accumulator feeds back to the auxiliary reclay for controlling electromagnetic gas valve switch by digital display manometer, when reaching setting pressure, digital display manometer sends signal to auxiliary reclay, and auxiliary reclay controls electromagnetic gas valve and cuts out source of the gas supply, when pressure drops to a certain value, electromagnetic gas valve restarts source of the gas supply, balance gas storage pressure inside the tank, when making working cylinder work, pressure oscillation is little, it is achieved Stress control.
As another program more specifically, closed loop control is realized between described booster pump and air compressor machine, particularly due to air compressor machine supply, baroswitch within booster pump detects that the source of the gas of air compressor machine enters, booster pump just can be made to open, and the compression gas output of booster pump is to air accumulator, the pressure of air accumulator is by digital display manometer monitoring and sends switch order to the electromagnetic gas valve being connected between booster pump and air compressor machine, so forming described closed loop control.
As another program more specifically, described working cylinder is provided with one；Or, described working cylinder is provided with two or more and each working cylinder serial or parallel connection.
Described working cylinder includes piston and cylinder body, is provided with dual-seal circle between piston and inboard wall of cylinder block, improves air-tightness.
The beneficial effects of the utility model are as follows:
This high pressure gas dynamic balance system realizes pressure balanced control in air accumulator by arranging electromagnetic gas valve, booster pump, relief valve and the digital display manometer with controlling device, it has the characteristics such as simple and reasonable, dependable performance, balance are strong, pressure oscillation is little, be swift in response, can be widely applied in machining center along Z-direction run parts along, to reduce the vertical impact forces of Z-direction operation parts, improve the service life of machining accuracy and machine.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of gas circuit of this utility model one embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described:
Shown in Figure 1, this high pressure gas dynamic balance system, including air accumulator 1, air supply opening 51, working cylinder 7 and the digital display manometer 8 with control output device；Also include electromagnetic gas valve 4, booster pump 5 and relief valve 2, air supply opening 51 is connected with the input port of booster pump 3 by the gas circuit of electromagnetic gas valve 4, the delivery outlet of working cylinder 7 and booster pump 3 is connected with air accumulator 1 respectively through relief valve 2, digital display manometer 8 is arranged in the gas circuit that working cylinder 7 connects with air accumulator 1, and the control output device of digital display manometer 8 and electromagnetic gas valve 4 are electrically connected.
The control output device of described digital display manometer 8 is auxiliary reclay 6.Native system monitors the pressure in air accumulator 1 by digital display manometer 8, further according to the comparing result with setting pressure, decide whether to supply in air accumulator 1, pressure does not supply when reaching setting pressure, pressure starts supply program when dropping to a certain value, auxiliary reclay 6 controls electromagnetic gas valve 4 and opens supply, to keep pressure balance.
Described booster pump 3 connects air compressor machine 5 by electromagnetic gas valve 4, with circuit form closed loop control between booster pump 3 and air compressor machine 5, air supply opening 51 is connected with air compressor machine 5, and booster pump 3 supplies by air compressor machine 5, booster pump 3 is by supplying air accumulator after air pressurized, to increase internal pressure.It addition, booster pump 3 carries baroswitch, when the source of the gas having certain pressure supplies, booster pump 3 starts work automatically, and otherwise booster pump 3 is automatically stopped work.Owing to the cavity volume of working cylinder 7 is little, adding air accumulator 1 and can expand gas storage space, it addition, circuit is by closed loop control between booster pump 3 and air compressor machine 5, pressure oscillation when making working cylinder 7 work is little, and fluctuation range can be controlled in 1-3 kgf.
Described air cylinder group is made up of two working cylinders 7, and two working cylinders 7 are connected in serial or parallel with each other.
Described working cylinder 7 includes piston and cylinder body, and the piston in working cylinder 7 is provided with dual-seal circle, improves air-tightness.
Its operation principle is as follows: upper limit air pressure and lower limit pneumatic parameter to digital display manometer 8 are set in advance, when air accumulator reaches upper limit atmospheric pressure value, digital display manometer 8 internal alarm circuit sends signal to auxiliary reclay 6, auxiliary reclay 6 controls electromagnetic gas valve 4 and cuts out source of the gas supply, after working cylinder 7 works a period of time, loss due to gas, when making that in air accumulator 1, pressure drops to lower limit atmospheric pressure value, auxiliary reclay 6 resets, and control electromagnetic gas valve 4 restart source of the gas supply, booster pump 3 will supply air accumulator 1 after air pressurized, air accumulator 1 pressure is made to reach upper limit atmospheric pressure value.
Claims (6)
1. a high pressure gas dynamic balance system, including air accumulator (1), air supply opening (51), working cylinder (7) and the digital display manometer (8) with control output device, it is characterized in that: also include electromagnetic gas valve (4), booster pump (3) and relief valve (2), air supply opening (51) is connected with the input port of booster pump (3) by the gas circuit of electromagnetic gas valve (4), the delivery outlet of working cylinder (7) and booster pump (3) is connected with air accumulator (1) respectively through relief valve (2), digital display manometer (8) is arranged in the gas circuit that working cylinder (7) connects with air accumulator (1), the control output device of digital display manometer (8) is electrically connected with electromagnetic gas valve (4).
2. high pressure gas dynamic balance system according to claim 1, it is characterised in that: the control output device of described digital display manometer (8) is auxiliary reclay (6).
3. high pressure gas dynamic balance system according to claim 1, it is characterised in that: described air supply opening (51) is connected with air compressor machine (5).
4. high pressure gas dynamic balance system according to claim 1, it is characterised in that: described working cylinder (7) is provided with one.
5. high pressure gas dynamic balance system according to claim 1, it is characterised in that: described working cylinder (7) is provided with two or more, each working cylinder (7) serial or parallel connection.
6. high pressure gas dynamic balance system according to claim 1, it is characterised in that: described working cylinder (7) includes piston and cylinder body, is provided with dual-seal circle between piston and inboard wall of cylinder block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620079924.XU CN205372073U (en) | 2016-01-27 | 2016-01-27 | High pressure pneumatic balanced system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620079924.XU CN205372073U (en) | 2016-01-27 | 2016-01-27 | High pressure pneumatic balanced system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205372073U true CN205372073U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620079924.XU Active CN205372073U (en) | 2016-01-27 | 2016-01-27 | High pressure pneumatic balanced system |
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| CN (1) | CN205372073U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538572A (en) * | 2018-12-26 | 2019-03-29 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of fine balance cylinder air supply system |
| CN110454680A (en) * | 2019-07-13 | 2019-11-15 | 陈猛 | A kind of pure nitrogen gas driving balance system |
| CN110595805A (en) * | 2019-10-18 | 2019-12-20 | 资阳中车电气科技有限公司 | Standard electric coupler service life test bed for motor train unit |
| CN110630903A (en) * | 2019-10-25 | 2019-12-31 | 四川德胜集团钒钛有限公司 | Air compressor machine air supply system |
| CN115235707A (en) * | 2022-06-27 | 2022-10-25 | 陕汽淮南专用汽车有限公司 | Controllable jar body air tightness test pressure test device |
-
2016
- 2016-01-27 CN CN201620079924.XU patent/CN205372073U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538572A (en) * | 2018-12-26 | 2019-03-29 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of fine balance cylinder air supply system |
| CN110454680A (en) * | 2019-07-13 | 2019-11-15 | 陈猛 | A kind of pure nitrogen gas driving balance system |
| CN110595805A (en) * | 2019-10-18 | 2019-12-20 | 资阳中车电气科技有限公司 | Standard electric coupler service life test bed for motor train unit |
| CN110630903A (en) * | 2019-10-25 | 2019-12-31 | 四川德胜集团钒钛有限公司 | Air compressor machine air supply system |
| CN110630903B (en) * | 2019-10-25 | 2021-06-18 | 四川德胜集团钒钛有限公司 | Air compressor machine air supply system |
| CN115235707A (en) * | 2022-06-27 | 2022-10-25 | 陕汽淮南专用汽车有限公司 | Controllable jar body air tightness test pressure test device |
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| GR01 | Patent grant |