CN205401298U - Be applied to pressure of die -casting equipment and penetrate hydro -cylinder - Google Patents
Be applied to pressure of die -casting equipment and penetrate hydro -cylinder Download PDFInfo
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- CN205401298U CN205401298U CN201620149919.1U CN201620149919U CN205401298U CN 205401298 U CN205401298 U CN 205401298U CN 201620149919 U CN201620149919 U CN 201620149919U CN 205401298 U CN205401298 U CN 205401298U
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Abstract
The utility model provides a be applied to pressure of die -casting equipment and penetrate hydro -cylinder, it is long that relates to a stroke, and the pressure boost is big, and firm efficient is pressed and is penetrated the hydro -cylinder, including the shot sleeve body and pressure boost cylinder body, penetrates the piston at the internal piston rod that sets up of shot sleeve with the pressure, presses to penetrate the piston and separate into the pressure with the shot sleeve body and penetrated the pole chamber and penetrate nos pole chamber with the pressure, and the second hydraulic fluid port that the pole chamber is linked together is penetrated to setting and pressure on the shot sleeve is personally experienced sth. Part of the body, at the internal supercharged piston that sets up of pressurized cylinder, supercharged piston separates into the pressure boost with the pressure boost cylinder body has pole chamber and pressure boost not to have the pole chamber, sets up the fourth hydraulic fluid port that has the pole chamber to be linked together with the pressure boost on the pressure boost cylinder body, sets up check valve and spring in supercharged piston, connect the cylinder bottom nut in the one end of pressure boost cylinder body, the ejector pin and do not have the pole chamber with the pressure boost of pressure boost cylinder body and be linked together, is connected for first hydraulic fluid port to cylinder bottom nut connecting bend, elbow on the cylinder bottom nut. The utility model discloses the stroke length is penetrated to fast, the effective pressure of press -injection speed, the pressure boost range is big, firm high -efficient.
Description
Technical field
This utility model relates to a kind of injection oil cylinder being applied to die casting machine, and long particularly to a kind of stroke, supercharging is big, firm efficient injection oil cylinder.
Background technology
Die casting machine is that a kind of Special Processes of Metal Castings equipment is for casting nonferrous metal, it is by the alloys such as the aluminum after thawing, copper high speed, high pressure press-in metal die, make quickly to cool down molding, in view of this equipment has Workpiece shaping precision height, roughness is high, only by a small amount of machining or do not need processing just can become the advantage of finished product, automobile, household electrical appliance and instrument industry need to be widely used in.In die casting machine, injection speed, injection ratio, injection stroke are highly important indexs.Injection oil cylinder is the core component of injection system, and injection speed is fast, and injection ratio is big, and whole injection system is played critical effect by the injection oil cylinder of injection stroke length.Existing injection oil cylinder, injection speed is slow, and injection ratio is little, and injection stroke short-range missile causes the problems such as finished product rate is low.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of injection speed injection stroke length fast, effective, the supercharging amplitude injection oil cylinder being applied to die casting equipment efficiently big, firm.
The purpose of this utility model is achieved in that a kind of injection oil cylinder being applied to die casting equipment, and including injection cylinder body and supercharging cylinder body, injection cylinder body connects with supercharging cylinder body and fixes and is connected；Described injection cylinder body away from supercharging cylinder body one end connect cylinder mouth guide pin bushing, piston rod and shot piston are set in shot sleeve body, one end of piston rod is connected with shot piston, the other end of piston rod stretches out cylinder mouth guide pin bushing, injection cylinder body is separated into injection rod chamber and injection rodless cavity by shot piston, arranges the second hydraulic fluid port being connected with injection rod chamber on injection cylinder body；In described pressurized cylinder body, charged piston is set, supercharging cylinder body is separated into supercharging rod chamber and supercharging rodless cavity by charged piston, supercharging cylinder body arranges the 4th hydraulic fluid port being connected with supercharging rod chamber, check valve and spring are set in charged piston, one end of spring props up check valve, and the other end of spring is arranged in charged piston by gland；Supercharging cylinder body away from injection cylinder body one end connect cylinder bottom nut, cylinder bottom nut connecting bend, elbow is the first hydraulic fluid port and is connected with the supercharging rodless cavity of supercharging cylinder body, on cylinder bottom nut connect push rod, push rod is used for opening check valve.
During work, during the first hydraulic fluid port oil-feed of supercharging oil pocket, along with oil pressure raises, promote the charged piston motion of pressurized cylinder, and then promote piston rod to stretch out, owing to the area of charged piston rodless cavity is more than the area of rod chamber, thus realize supercharging.
Shot piston both sides area is unequal, and during the first hydraulic fluid port oil-feed, the 4th hydraulic fluid port pressure is not up to 3MPa, closed check valve, on the right side of piston, area of section is more than left side cross-sectional area, and during work, input pressure is 12.96MPa, output pressure is 36Mpa, and injection is than for 1:2.78.
When piston rod stretches out, injection power is 1800KN, injection effective travel 530mm, range 600mm；During piston rod backhaul, the 4th hydraulic fluid port entrance pressure 3MPa, promote shot piston move to rodless cavity, check valve under the action of the spring to supercharging rodless cavity move until and ejector pin contact, one-way valve opens, it is achieved oil return；During retraction, reverberation matrix method is 820KN.
This utility model injection speed injection stroke length fast, effective, supercharging amplitude are big, firm efficiently.
Preferably, described injection cylinder body also sets up the 3rd pressure port being connected with injection rodless cavity, convenient in the 3rd pressure port installation Pressure gauge, the oil cylinder working-pressure change after detection supercharging.
Preferably, this special envelope and axial sealing ring is set between described piston rod and cylinder mouth guide pin bushing, it is achieved movable sealing；Between cylinder mouth guide pin bushing and injection cylinder body, O RunddichtringO is set；Between shot piston and injection cylinder body, Glais ring is set.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Detailed description of the invention
As it is shown in figure 1, be applied to the injection oil cylinder of die casting equipment, including injection cylinder body 5 and supercharging cylinder body 7, the right-hand member of injection cylinder body 5 connects with the left end of supercharging cylinder body 7 and welds.
Left end at injection cylinder body 5 connects cylinder mouth guide pin bushing 2, piston rod 4 and shot piston 1 are set in injection cylinder body 5, the right-hand member of piston rod 4 is connected with shot piston 1, the left end of piston rod 4 stretches out cylinder mouth guide pin bushing 2, injection cylinder body 5 is separated into injection rod chamber 23 and injection rodless cavity 24 by shot piston 1, arranges the second hydraulic fluid port 3 being connected with injection rod chamber 23 on injection cylinder body 5.Injection cylinder body 5 also sets up the 3rd pressure port 21 being connected with injection rodless cavity 24, the injection cylinder body 5 at the 3rd pressure port 21 place is installed high pressure flange 6, and Pressure gauge is installed, the oil cylinder working-pressure change after detection supercharging.
This special envelope 19 and axial sealing ring 20 is set between piston rod 4 and cylinder mouth guide pin bushing 2, it is achieved movable sealing；Between cylinder mouth guide pin bushing 2 and injection cylinder body 5, O RunddichtringO 18 is set；Glais ring 17 is set between shot piston 1 and injection cylinder body 5.
Charged piston 9 is set in supercharging cylinder body 7, supercharging cylinder body 7 is separated into supercharging rod chamber 25 and supercharging rodless cavity 26 by charged piston 9, supercharging cylinder body 7 arranges the 4th hydraulic fluid port 22 being connected with supercharging rod chamber 25, check valve 10 and spring 16 are set in charged piston 9, the right-hand member of spring 16 props up check valve 10, and the left end of spring 16 is arranged in charged piston 9 by gland 8.The threaded cylinder bottom nut 11 of right-hand member at supercharging cylinder body 7, cylinder bottom nut 11 adpting flange 12, connecting bend 13 on flange 12, elbow 13 is the first hydraulic fluid port 14 and is connected with the supercharging rodless cavity 26 of supercharging cylinder body 7, connecting push rod 15 on cylinder bottom nut 11, push rod 15 is used for opening check valve 10.
The main motor process of this utility model includes: during work, during supercharging oil pocket A mouth (the first hydraulic fluid port 14) oil-feed, now D mouth (the 4th hydraulic fluid port 22) oil pressure is less than 3MPa, closed check valve, along with oil pressure raises, promotes the piston of pressurized cylinder to left movement, owing to the area on the right side of charged piston is more than left side area, form the injection ratio of 1:2.78, promote piston rod movement to produce the injection power of 1800KN, injection effective travel 530mm；During piston rod backhaul, D mouth (the 4th hydraulic fluid port 22) entrance pressure 3MPa, promote shot piston move right, check valve move right under the action of the spring until and ejector pin contact, one-way valve opens, it is achieved oil return, reverberation matrix method is 820KN.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (3)
1. the injection oil cylinder being applied to die casting equipment, it is characterised in that: including injection cylinder body and supercharging cylinder body, injection cylinder body connects with supercharging cylinder body and fixes and is connected；Described injection cylinder body away from supercharging cylinder body one end connect cylinder mouth guide pin bushing, piston rod and shot piston are set in shot sleeve body, one end of piston rod is connected with shot piston, the other end of piston rod stretches out cylinder mouth guide pin bushing, injection cylinder body is separated into injection rod chamber and injection rodless cavity by shot piston, arranges the second hydraulic fluid port being connected with injection rod chamber on injection cylinder body；In described pressurized cylinder body, charged piston is set, supercharging cylinder body is separated into supercharging rod chamber and supercharging rodless cavity by charged piston, supercharging cylinder body arranges the 4th hydraulic fluid port being connected with supercharging rod chamber, check valve and spring are set in charged piston, one end of spring props up check valve, and the other end of spring is arranged in charged piston by gland；Supercharging cylinder body away from injection cylinder body one end connect cylinder bottom nut, cylinder bottom nut connecting bend, elbow is the first hydraulic fluid port and is connected with the supercharging rodless cavity of supercharging cylinder body, on cylinder bottom nut connect push rod, push rod is used for opening check valve.
2. the injection oil cylinder being applied to die casting equipment according to claim 1, it is characterised in that: on described injection cylinder body, also set up the 3rd pressure port being connected with injection rodless cavity.
3. the injection oil cylinder being applied to die casting equipment according to claim 1, it is characterised in that: this special envelope and axial sealing ring is set between described piston rod and cylinder mouth guide pin bushing, it is achieved movable sealing；Between cylinder mouth guide pin bushing and injection cylinder body, O RunddichtringO is set；Between shot piston and injection cylinder body, Glais ring is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149919.1U CN205401298U (en) | 2016-02-29 | 2016-02-29 | Be applied to pressure of die -casting equipment and penetrate hydro -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620149919.1U CN205401298U (en) | 2016-02-29 | 2016-02-29 | Be applied to pressure of die -casting equipment and penetrate hydro -cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN205401298U true CN205401298U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620149919.1U Active CN205401298U (en) | 2016-02-29 | 2016-02-29 | Be applied to pressure of die -casting equipment and penetrate hydro -cylinder |
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| CN (1) | CN205401298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801717A (en) * | 2017-03-24 | 2017-06-06 | 中国北方车辆研究所 | Hydro-pneumatic spring main piston |
| CN107299921A (en) * | 2017-03-08 | 2017-10-27 | 佛山市昌达业自动化科技有限公司 | Unidirectional supercharging device |
-
2016
- 2016-02-29 CN CN201620149919.1U patent/CN205401298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299921A (en) * | 2017-03-08 | 2017-10-27 | 佛山市昌达业自动化科技有限公司 | Unidirectional supercharging device |
| CN106801717A (en) * | 2017-03-24 | 2017-06-06 | 中国北方车辆研究所 | Hydro-pneumatic spring main piston |
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