CN101408208A - Pressure oil automatic compensating apparatus - Google Patents
Pressure oil automatic compensating apparatus Download PDFInfo
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- CN101408208A CN101408208A CNA2007101560138A CN200710156013A CN101408208A CN 101408208 A CN101408208 A CN 101408208A CN A2007101560138 A CNA2007101560138 A CN A2007101560138A CN 200710156013 A CN200710156013 A CN 200710156013A CN 101408208 A CN101408208 A CN 101408208A
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Abstract
The invention relates to an automatic pressure oil compensation device, comprising a hydraulic cylinder, a gas/oil conversion device, an oil and gas separator and a gas source; the hydraulic cylinder is connected with an oil inlet channel which is connected with the oil outlet pipe of the gas/oil conversion device by a valve plate provided with a one-way valve; the gas inlet pipe of the gas/oil conversion device is connected with a pressure reducing valve which is then connected with the output pipe of the oil and gas separator; and the input pipe of the oil and gas separator is connected with the gas outlet pipe of the gas source, thus forming a pathway with balanced pressure. The oil inlet channel is provided with a pressure transmitter which is electrically connected with a computer; the computer converses an oil pressure value sent from the pressure transmitter into a tonnage value which is then displayed, therefore, the operator can intuitively observe the suppression tonnage of a forming machine which is corresponding to the oil pressure, and a standard value can be preset conveniently. The device can automatically supply the oil liquid in the gas/oil conversion device to the hydraulic cylinder by the one-way valve, and cause the oil pressure in the hydraulic cylinder to remain unchanged, thereby ensuring that the suppression tonnage of the forming machine is consistent with the preset value and the suppressed products conform to the requirement.
Description
Technical field
The present invention relates to the vitals of powder forming machine, relate in particular to a kind of pressure oil automatic compensating apparatus.
Background technique
In powder forming machine, two upper punches of compacted products drive lifting by main shaft through oil hydraulic cylinder.In traditional powder forming machine, the oil that oil hydraulic cylinder consumed is by manual oiling supply, and the oil pressure value in the oil hydraulic cylinder shows by the mechanical compression table, show not prompt enough, accurate, operator can not observe the oil pressure value in the oil hydraulic cylinder in real time, exactly, cause operator to be difficult to the pressure oil in the oil hydraulic cylinder is controlled at the reference value that needs, thereby make the reference value of the compacting tonnage of two upper punches and compacted products inconsistent, cause having deviation between the product of the product that suppresses and needs, quality is affected.On the other hand, manually the refueling operation inconvenience also influences working efficiency.
Summary of the invention
The pressure oil that the present invention mainly solves in the oil hydraulic cylinder needs manually to refuel supply, make operator can not observe the oil pressure value in the oil hydraulic cylinder in real time, exactly, thereby make the reference value of the compacting tonnage of shaping and compacted products inconsistent, cause having deviation, the affected technical problem of quality between the product of the product that suppresses and needs; Provide the pressure oil in a kind of oil hydraulic cylinder can be according to the automatic supply of oil consumption, make operator can observe the interior oil pressure value of oil hydraulic cylinder in real time, exactly, guarantee that the compacting tonnage that is shaped is consistent with required tonnage always, thereby guarantee the pressure oil automatic compensating apparatus of compacted products quality.
The present invention solves manual refueling operation inconvenience simultaneously, influences the technical problem of working efficiency; A kind of manual oiling that do not need is provided, finishes the supply of pressure oil, the pressure oil automatic compensating apparatus of increasing work efficiency automatically according to oil consumption.
The oil pressure that the present invention solves again in the oil hydraulic cylinder shows by the mechanical compression table, causes operator can not clear, accurately observe oil pressure value, can not observe the technical problem of two upper punch tonnages intuitively; Provide a kind of operator of making clear, accurately to observe oil pressure value, can observe the pressure oil automatic compensating apparatus of the initial tonnage of forming machine simultaneously intuitively.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the pressure-display device that the present invention includes oil pressure value in oil hydraulic cylinder and the demonstration oil hydraulic cylinder, described oil hydraulic cylinder taps into oil duct, oil input channel links to each other by the valve plate that is provided with one-way valve with the oil outlet tube of gas/oily conversion equipment, and the suction tude of gas/oily conversion equipment links to each other by reduction valve with the steam outlet pipe of source of the gas.Source of the gas, gas/oily conversion equipment are in connected state always.Before compacted products, regulate reduction valve earlier, make that the oil pressure value in the oil hydraulic cylinder that shows is consistent with reference value.The work of starting shooting then, the beginning compacted products.In the process of compacted products, when the pressure oil in the oil hydraulic cylinder is lower than predefined reference value along with its oil pressure value of consumption, one-way valve is opened automatically, fluid in gas/oily conversion equipment is defeated by oil hydraulic cylinder automatically, in case the oil pressure value in the oil hydraulic cylinder rises to reference value, one-way valve is closed automatically, finishes pressure oil supply operation.This interlock process has guaranteed that effectively the oil pressure in the oil hydraulic cylinder remains on the predefined reference value always, thereby the compacting tonnage of two upper punches of having guaranteed to be driven by main shaft lifting is consistent with required tonnage always, guarantee that the product that suppresses meets the requirements, guarantee quality of product.Automatically finish the supply of pressure oil simultaneously by machine, avoided the operation inconvenience problem of manual oiling, enhance productivity.
As preferably, described oil hydraulic cylinder comprises slide block and is located at ball seat in the slide block, and ball seat is provided with the ball handle, and spherical cap covers the bulb of ball handle; Irritating in the cavity that forms between described ball seat and slide block has pressure oil, and cavity connects oil input channel; Described slide block is installed on the pedestal, and described oil input channel is located in the pedestal, and described valve plate is installed in a side of pedestal.The pedestal below connects two upper punches.Guarantee that tonnage and the oil pressure in the oil hydraulic cylinder suppressed have a relation one to one, promptly the oil hydraulic cylinder oil pressure changes, and the compacting tonnage also changes thereupon.So just can control the compacting tonnage of forming machine easily by controlling oil pressure, not only convenient but also accurate.
As preferably, described pressure-display device is a pressure transmitter, and is installed on the described oil input channel, and described pressure transmitter is electrically connected with computer, and the oil pressure value that computer is sent pressure transmitter here converts the tonnage value to and shows.Oil input channel is communicated with oil hydraulic cylinder, and the oil pressure in the oil input channel is consistent with the oil pressure in the oil hydraulic cylinder.Adopt pressure transmitter, guarantee the pressure gathered in real time and accurately, simultaneously by computer with data transfer, make operator can observe the initial tonnage of the compacting corresponding clear, intuitively with oil pressure, be convenient to the preset standard value, also be convenient to the tonnage deviation that timely discovery may occur.In case the value that records surpasses setting range, give the alarm, at once so that in time handle.
As preferably, on the steam outlet pipe of described source of the gas deaerator is installed.Moisture content in the gas of separation source of the gas output, the gas in the feasible input deaerator is water content not, guarantees the accuracy of the oil pressure of measured oil hydraulic cylinder.
As preferably, described gas/oily conversion equipment is a cylinder body of sealing, and the cylinder body internal memory contains fluid, be pressurized air in the cavity above the fluid, the cylinder body top is provided with oil filler, suction port, and described oil filler is provided with sealing cover, connects suction tude on the described suction port; Cylinder base is provided with oil outlet, connects oil outlet tube on the described oil outlet.Air pressure in gas/oily conversion equipment is identical with oil pressure, regulates air pressure by reduction valve, has also just regulated the oil pressure in gas/oily conversion equipment.Guarantee to regulate oil pressure, preset standard oil pressure value and two upper punch tonnage and more become convenient.Open sealing cover, refuel for gas/oily conversion equipment.Fluid in general gas/oily conversion equipment only needed add once in 1 year.
As preferably, the outside of described cylinder body is connected with the oil level display tube, and the upper and lower end of described oil level display tube is communicated with top, the bottom of cavity in the cylinder body respectively.Oil level in the cylinder body is consistent with the oil level on the oil level display tube, by the oil level display tube just can understand fluid in the cylinder body how much.Be convenient to timely oiling.
As preferably, on the suction tude of described gas/oily conversion equipment pressure gauge is installed.What this pressure gauge showed is the air pressure of suction tude.During proper functioning, the atmospheric pressure value that pressure gauge shows should be consistent with the oil pressure value of transmitter reflection.This manometric setting up is convenient to operator and is regulated reduction valve, preset standard value, also is convenient to observe atmospheric pressure value and whether oil pressure value exists discrepancy.
The invention has the beneficial effects as follows: by with oil hydraulic cylinder, one-way valve, gas/oily conversion equipment, reduction valve, source of the gas is linked to be a pressure balanced path successively, realization just can preestablish oil pressure in the oil hydraulic cylinder by regulating reduction valve, make oil pressure corresponding with the initial tonnage of required forming machine, and one-way valve can open or close automatically according to the variation of oil pressure, automatically with the fluid bulking liquor cylinder pressure in gas/oily conversion equipment, make the oil pressure in the oil hydraulic cylinder remain constant, thereby guarantee that forming machine compacting tonnage is consistent with predefined value, guarantee that the product that suppresses meets the requirements, guarantee quality of product, also enhance productivity.Oil pressure value shows by the pressure transmitter sending computer simultaneously, and demonstrate tonnage through data transfer by computer, make operator can observe the compacting tonnage of the forming machine corresponding clear, intuitively with oil pressure, be convenient to the preset standard value, in a single day also be convenient to the tonnage deviation that timely discovery may occur, can in time deal with so that send the alarm that overflows.
Description of drawings
Fig. 1 is a kind of annexation schematic representation of the present invention.
Fig. 2 is a kind of structural representation of oil hydraulic cylinder among the present invention.
Fig. 3 is a kind of structural representation of gas among the present invention/oily conversion equipment.
Fig. 4 is that the present invention is installed in a kind of schematic representation in the powder forming machine.
1. oil hydraulic cylinders among the figure, 2. oil input channel, 3. gas/oily conversion equipment, 4. oil outlet tube, 5. one-way valve, 6. suction tude, 7. source of the gas, 8. steam outlet pipe, 9. reduction valve, 10. pressure transmitter, 11. computer, 12. deaerators, 13. slide blocks, 14. ball seats, 15. ball handles, 16. spherical cap, 17. cavitys, 18. fluid, 19. pressurized air, 20. oil fillers, 21. suction port, 22. sealing covers, 23. oil outlets, 24. oil level display tubes, 25. pressure gauges, 26. pedestal, 27. valve plates, 28. main shafts, 29. pairs of upper punches.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1: the pressure oil automatic compensating apparatus of present embodiment, as shown in Figure 1, oil hydraulic cylinder 1 taps into oil duct 2, oil input channel 2 links to each other by the valve plate 27 that one-way valve 5 is housed with the oil outlet tube 4 of gas/oily conversion equipment 3, the suction tude 6 of gas/oily conversion equipment 3 connects reduction valve 9, reduction valve 9 connects the output tube of deaerator 12 again, and the supplying tube of deaerator 12 links to each other with the steam outlet pipe 8 of source of the gas 7, constitutes a pressure balanced path.The pressure transmitter 10 that is electrically connected with computer 11 is installed on the oil input channel 2, and the oil pressure value that computer 11 is sent pressure transmitter 10 here converts the tonnage value to and shows.On the suction tude 6 of gas/oily conversion equipment 3 pressure gauge 25 is installed.As Fig. 2, shown in Figure 4, oil hydraulic cylinder 1 in the present embodiment comprises slide block 13 and is located at ball seat 14 in the slide block 13 that ball handle 15 is installed on the ball seat 14, and spherical cap 16 covers the bulb of ball handle 15, irritating in the cavity 17 of ball seat 14 and 13 formation of slide block has pressure oil, and cavity 17 is communicated with oil input channel 2.Slide block 13 is installed on the pedestal 26 of powder forming machine, and oil input channel 2 is located in the pedestal 26, and valve plate 27 is installed in a side of pedestal 26, and pedestal 26 belows are connected with two upper punches 29.As shown in Figure 3, gas/oily conversion equipment 3 is containers of sealing, container contains fluid 18, in the cavity above the fluid 18 is pressurized air 19, container top has oil filler 20, suction port 21, be stamped sealing cover 22 on the oil filler 20, connect suction tude 6 on the suction port 21, container bottom has an oil outlet 23 that connects oil outlet tube 4.The outside of container is connected with oil level display tube 24, and the upper and lower end of oil level display tube 24 is communicated with top, the bottom of cavity in the container respectively.
Working procedure: regulate reduction valve earlier, make the tonnage that shows on the computer consistent with the standard tonnage of compacted products, at this moment the force value that shows on the pressure gauge is exactly the oil pressure value corresponding with the standard tonnage.The work of starting shooting then, the beginning compacted products.In the process of compacted products, consumption along with the pressure oil in the oil hydraulic cylinder, when oil pressure value is lower than predefined reference value, one-way valve is opened automatically, fluid in gas/oily conversion equipment is defeated by oil hydraulic cylinder automatically, oil pressure value in oil hydraulic cylinder rises to reference value, and one-way valve is closed automatically, finishes pressure oil supply operation.Under the normal operation, the pressure gauge indicating value remains unchanged, the tonnage value that computer shows also remains unchanged always, guarantee that promptly the oil pressure in the oil hydraulic cylinder remains constant, the compacting tonnage of forming machine is consistent with default initial compacting tonnage, thereby guarantee that the product that suppresses meets the requirements, guarantee quality of product, also enhance productivity.Simultaneously, operator can observe the initial compacting tonnage of the forming machine corresponding with oil pressure clear, intuitively, are convenient to the preset standard value, also are convenient to the tonnage deviation that timely discovery may occur.When the oil pressure value that records when pressure transmitter surpassed setting value, computer can give the alarm immediately, reminded operator to deal with.
Claims (7)
1. pressure oil automatic compensating apparatus, the pressure-display device that comprises oil pressure value in oil hydraulic cylinder (1) and the demonstration oil hydraulic cylinder, it is characterized in that described oil hydraulic cylinder (1) taps into oil duct (2), oil input channel (2) links to each other by the valve plate (27) that is provided with one-way valve (5) with the oil outlet tube (4) of gas/oily conversion equipment (3), and the suction tude (6) of gas/oily conversion equipment (3) links to each other by reduction valve (9) with the steam outlet pipe (8) of source of the gas (7).
2. pressure oil automatic compensating apparatus according to claim 1, it is characterized in that described oil hydraulic cylinder (1) comprises slide block (13) and is located at the interior ball seat (14) of slide block (13), ball seat (14) is provided with ball handle (15), and spherical cap (16) covers the bulb of ball handle (15); Irritating in the cavity (17) that forms between described ball seat (14) and slide block (13) has pressure oil, and cavity (17) connects oil input channel (2); Described slide block (13) is installed on the pedestal (26), and described oil input channel (2) is located in the pedestal (26), and described valve plate (27) is installed in a side of pedestal (26).
3. pressure oil automatic compensating apparatus according to claim 1 and 2, it is characterized in that described pressure-display device is pressure transmitter (10), and be installed on the described oil input channel (2), described pressure transmitter (10) is electrically connected with computer (11), and the oil pressure value that computer (11) is sent pressure transmitter (10) here converts the tonnage value to and shows.
4. pressure oil automatic compensating apparatus according to claim 1 is characterized in that on the steam outlet pipe (8) of described source of the gas (7) deaerator (12) being installed.
5. according to claim 1 or 2 or 4 described pressure oil automatic compensating apparatus, it is characterized in that described gas/oily conversion equipment (3) is a container of sealing, container contains fluid (18), in the cavity above the fluid (18) is pressurized air (19), container top is provided with oil filler (20), suction port (21), described oil filler (20) is provided with sealing cover (22), and described suction port (21) is gone up and connected suction tude (6); Container bottom is provided with oil outlet (23), and described oil outlet (23) is gone up and connected oil outlet tube (4).
6. pressure oil automatic compensating apparatus according to claim 5 is characterized in that the outside of described container is connected with oil level display tube (24), and the upper and lower end of described oil level display tube (24) is communicated with top, the bottom of cavity in the container respectively.
7. according to claim 1 or 2 or 4 described pressure oil automatic compensating apparatus, it is characterized in that on the suction tude (6) of described gas/oily conversion equipment (3) pressure gauge (25) being installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101560138A CN101408208A (en) | 2007-10-09 | 2007-10-09 | Pressure oil automatic compensating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101560138A CN101408208A (en) | 2007-10-09 | 2007-10-09 | Pressure oil automatic compensating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN101408208A true CN101408208A (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101560138A Pending CN101408208A (en) | 2007-10-09 | 2007-10-09 | Pressure oil automatic compensating apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218847A (en) * | 2011-03-04 | 2011-10-19 | 南通富士通微电子股份有限公司 | Hydraulic punching machine |
| CN104154062A (en) * | 2014-07-23 | 2014-11-19 | 新疆科立机械设备有限公司 | Multi-pressure grease feeding device |
| WO2016082356A1 (en) * | 2014-11-24 | 2016-06-02 | 徐工集团工程机械股份有限公司 | Automatic supplying pressure compensation system and control method thereof |
| CN108180186A (en) * | 2017-12-05 | 2018-06-19 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep-sea deformation gap compensates binding clasp automatically |
-
2007
- 2007-10-09 CN CNA2007101560138A patent/CN101408208A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218847A (en) * | 2011-03-04 | 2011-10-19 | 南通富士通微电子股份有限公司 | Hydraulic punching machine |
| CN104154062A (en) * | 2014-07-23 | 2014-11-19 | 新疆科立机械设备有限公司 | Multi-pressure grease feeding device |
| WO2016082356A1 (en) * | 2014-11-24 | 2016-06-02 | 徐工集团工程机械股份有限公司 | Automatic supplying pressure compensation system and control method thereof |
| US10534381B2 (en) | 2014-11-24 | 2020-01-14 | Xuzhou Construciton Machinery Group Co., Ltd. | Self-contained pressure compensation system |
| CN108180186A (en) * | 2017-12-05 | 2018-06-19 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep-sea deformation gap compensates binding clasp automatically |
| CN108180186B (en) * | 2017-12-05 | 2019-08-13 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep-sea deformation gap compensates binding clasp automatically |
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Open date: 20090415 |