CN2156307Y - Oil injecting machine with hydraulic measuring oil tank - Google Patents
Oil injecting machine with hydraulic measuring oil tank Download PDFInfo
- Publication number
- CN2156307Y CN2156307Y CN 92235156 CN92235156U CN2156307Y CN 2156307 Y CN2156307 Y CN 2156307Y CN 92235156 CN92235156 CN 92235156 CN 92235156 U CN92235156 U CN 92235156U CN 2156307 Y CN2156307 Y CN 2156307Y
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- oil
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- Expired - Fee Related
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Abstract
The utility model relates to a hydraulic measuring oil tank, a free piston is arranged in the oil tank, the measuring purpose is reached because of the process that the travel range of a piston is controlled by the adjusting rods of both ends of the free piston. An electromagnetic reversing valve and a nonreturn valve of an oil injecting machine are under the control of a pressure relay, and oil liquor in left and right two cavities backwards and forwards pushes the piston to discharge quantitative oil liquor. The utility model has the advantages of simple structure, dust prevention, long service life, undemanding oiliness, easy operation and maintenance, and stable and reliable measuring accuracy. The utility model is suitable for equipment of feed processing and other industries requiring quantitative increased liquid.
Description
The utility model relates to a kind of hydraulic metering oil cylinder.
In the equipment that the industrial processes controlling liquid is quantitatively added, add the equipment oil-injection machine as the vegetable oil in the feed processing industry, generally adopt the worm gear flowmeter to measure, the worm gear flowmeter of this oil-injection machine requires the filter precision height of oil, has limited the using scope of oily kind, its worm gear is easy to wear simultaneously, pulse signal is subjected to external interference to make metering unstable, and it costs an arm and a leg, the electrical apparatus control system complexity, particularly the environment of feed processing is abominable, makes that its life-span is shorter.
It is a kind of simple in structure that the purpose of this utility model is to provide, and using scope is wide, the hydraulic metering oil cylinder that measuring accuracy is reliable and stable.
The utility model is finished with following mode:
The hydraulic metering oil cylinder includes cylinder body and end cap, piston is arranged in cylinder body, have on the two end cap asphalt channel be communicated with cylinder body inside and outside, on the outside of end cap, adjustment seat is housed, on adjustment seat, adjustable lever is housed and puts in the cylinder body, the scale indicator panel is housed on the adjustable lever with screw thread.Adjustable lever and adjustment seat are housed on the one or both ends of cylinder body.The oil-injection machine that has the hydraulic metering oil cylinder comprises hydraulic manifold block and the electric oil pump that is made of solenoid directional control valve and one-way valve, with asphalt channel and the hydraulic manifold block on two end caps of oil pipe connection hydraulic metering oil cylinder, pressure relay control solenoid directional control valve is housed respectively on these two oil pipes, makes the left right cylinder cavity of oil cylinder discharge quantitative fluid by turns and spray through nozzle.
The utility model hydraulic metering oil cylinder adopts piston that oil cylinder is divided into the adjustable round oil cylinder in the left and right sides and measures, and has simple in structure, long service life, and it is not too strict to the requirement of oil.The oil-injection machine made from this oil cylinder adopts the solenoid directional control valve in the pressure relay control hydraulic manifold block to commutate, make oil cylinder about two chambeies discharge quantitative fluid by turns and spray through nozzle, measure oil spout, it is not subjected to extraneous interference, easy to operate and maintenance, after setting up the oil cylinder metering, its stable accuracy is reliable, the whole machine installation sealing and dustproof, can with the automatic joint control of feed processing machinery, cost is low, is a kind of desirable oil-injection machine of feed processing.
Fig. 1 is the sectional view of the adjustable hydraulic metering oil cylinder in two ends
Fig. 2 is the schematic representation of end adjustable hydraulic metering oil cylinder
Fig. 3 is the adjustment seat enlarged diagram
Fig. 4 is the oil-injection machine schematic diagram
Fig. 5 is the oil-injection machine structural drawing
Below in conjunction with accompanying drawing the utility model is described in further detail:
In Fig. 1, one free-piston (4) is arranged in the cylinder body of hydraulic metering oil cylinder (11), seal ring (5) is arranged on the piston border, piston (4) is divided into left right cylinder cavity with cylinder body (11), on the two end cap (8) of cylinder body (11), asphalt channel (3) is arranged, make inside and outside the left right cylinder cavity of cylinder body (11) is communicated with respectively, adjustment seat (1) is housed on the outside of two end caps (8), upward with screw thread adjustable lever (7) is installed in adjustment seat (1), the hole of the front end of adjustable lever (7) on end cap (8) puts in the cylinder body (11).Scale indicator panel (2) is arranged on adjustable lever, graduation line (9) is arranged on the adjustment seat (1), as shown in Figure 3, regulate the turnover of adjustable lever (7), the movement travel L of adjusting piston (4), also what of fluid i.e. adjusting discharge at every turn, and scale indicator panel (2) can indicate reading, measure simultaneously.Behind each setting adjustable lever (7), locking nut (10) is locked, can highi degree of accuracy quantitatively discharge fluid, it is to utilize the quantitative fluid of oil pressure difference promotion piston (4) discharge on cylinder body (11) inner carrier (4) both sides to measure, two end cap (8) in cylinder body (11) goes up dress adjustment seat (1) and adjustable lever (7), helps enlarging regulation range, is having only an end that the hydraulic metering oil cylinder of adjustment seat (1) and adjustable lever (7) is housed, it is low to have cost simple in structure, as shown in Figure 2.Shown in Figure 5 with oil-injection machine such as Fig. 4 that this hydraulic metering oil cylinder is made.In Fig. 5, oil-injection machine is by fuel tank (19) is housed in the casing; Electric heater (23) is housed in fuel tank (19), it is controlled by the temperature of thermometer (24) the control fluid with electric contact, front end in the oil pick-up tube of electric oil pump (15) has oil purifier (22) to be contained in the fuel tank (19), electric oil pump (15) is extracted into fluid in the hydraulic manifold block (21), liquid oil integrated package (21) is equipped with 3-position 4-way solenoid directional control valve (13), three-way solenoid valve (14), one-way valve (12), relief valve (18), pressure relay (16).Electric oil pump (15) connects 3-position 4-way solenoid directional control valve (13) through oil pipe (6), export two the tunnel respectively through the asphalt channel (3) of one-way valve (12) on oil pipe (6) connection hydraulic metering oil cylinder (20) two end cap (8), between oil cylinder (20) and two one-way valves (12) pressure relay (16) is housed respectively, the output after oil pipe (6) connects three-way solenoid valve (14) of the asphalt channel (3) of oil cylinder (20) connects nozzle (17).The working principle of this oil-injection machine is: when 3-position 4-way solenoid directional control valve (13) when mediating, fluid is got back to fuel tank (19) through H type spool, plays the off-load effect, to economize on energy.When 3-position 4-way solenoid directional control valve (13) when receiving control signal, the electromagnet while on its right and the electromagnet of three-way solenoid valve (14) are connected power supply, at this moment fluid is under the effect of electric oil pump (15), the right through solenoid directional control valve (13), one-way valve (12) oil pipe (6) is to the right chamber of hydraulic metering oil cylinder (20), as shown in Figure 4, promoting piston (4) forces the fluid in the left chamber to deliver to left oil injecting nozzle (17) and spray quantitative fluid through the left side of three-way solenoid valve (14).When the piston (4) of hydraulic metering oil cylinder (20) walks to the left end head, whole hydraulic system pressure increases, right pressure relay this moment (16) action, make the left side electromagnet of 3-position 4-way solenoid directional control valve (13) move, three-way solenoid valve (14) outage simultaneously, fluid is under the effect of electric oil pump (15), the left side through 3-position 4-way solenoid directional control valve (13), left side one-way valve (12), oil pipe (6) is to the left chamber of hydraulic metering oil cylinder (20), promoting piston (4) forces the fluid in the right chamber to deliver to right oil injecting nozzle (17) and spray quantitative fluid through the right of three-way solenoid valve (14), promptly finish and once add work, the stroke that piston (4) moves is the output quantity of fluid, and the oil mass of round trip equates.The pressure of whole pressurized oil system is regulated by relief valve (18).If adding quantity is big, finish as mentioned above once add after, the pressure relay on the left side (16) action makes whole system carry out next one and circulates.And cycle-index is by the time relay (40) control, and that this oil-injection machine has is dustproof, metering is accurately reliable, working stability, simple in structure.
Claims (2)
1, a kind of hydraulic metering oil cylinder, it comprises cylinder body (11) and end cap (8), it is characterized in that piston (4) is arranged in cylinder body (11), have on the two end cap (8) asphalt channel (3) be communicated with cylinder body (11) inside and outside, adjustment seat (1) is housed on the outside of end cap (8), upward adjustable lever (7) is housed in adjustment seat (1) and puts in the cylinder body (11), scale indicator panel (2) is housed on the adjustable lever (7) with screw thread.
2,, it is characterized in that on the one or both ends of cylinder body (11) adjustment seat (1) and adjustable lever (7) being housed according to the described oil cylinder of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92235156 CN2156307Y (en) | 1992-10-27 | 1992-10-27 | Oil injecting machine with hydraulic measuring oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92235156 CN2156307Y (en) | 1992-10-27 | 1992-10-27 | Oil injecting machine with hydraulic measuring oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2156307Y true CN2156307Y (en) | 1994-02-16 |
Family
ID=33776999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92235156 Expired - Fee Related CN2156307Y (en) | 1992-10-27 | 1992-10-27 | Oil injecting machine with hydraulic measuring oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2156307Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169350A (en) * | 2010-02-25 | 2011-08-31 | 北京中冶华润科技发展有限公司 | Fluid sensor |
| CN111577686A (en) * | 2020-05-18 | 2020-08-25 | 广东志成电液科技有限公司 | Stepping hydraulic equipment and control method thereof |
-
1992
- 1992-10-27 CN CN 92235156 patent/CN2156307Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169350A (en) * | 2010-02-25 | 2011-08-31 | 北京中冶华润科技发展有限公司 | Fluid sensor |
| CN111577686A (en) * | 2020-05-18 | 2020-08-25 | 广东志成电液科技有限公司 | Stepping hydraulic equipment and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |