CN201659276U - Structural device for controlling oil leakage of press injection piston rod guide copper sleeve - Google Patents
Structural device for controlling oil leakage of press injection piston rod guide copper sleeve Download PDFInfo
- Publication number
- CN201659276U CN201659276U CN2010201157816U CN201020115781U CN201659276U CN 201659276 U CN201659276 U CN 201659276U CN 2010201157816 U CN2010201157816 U CN 2010201157816U CN 201020115781 U CN201020115781 U CN 201020115781U CN 201659276 U CN201659276 U CN 201659276U
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- oil
- copper sheathing
- draws
- oil hole
- guiding copper
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Abstract
The utility model relates to a structural device for controlling oil leakage of a press injection piston rod guide copper sleeve, which comprises a press injection piston rod and a guide copper sleeve movably matched with the press injection piston rod, wherein the guide copper sleeve is provided with a pulling rod sealer, wherein the front end of the guide copper sleeve is provided with a front flange for fixing the guide copper sleeve in the axial direction, the back end of the front flange is provided with an oil cylinder front flange for fixing the guide copper sleeve in the radial direction, a dust-proof ring and an annular oil guide groove are sequentially arranged on the inner annular wall of the front flange, and the annular oil guide groove is communicated with the oil tank through an oil guide through hole. After adopting the structure, the device can realize the guide on the oil liquid leaked at the injection piston rod guide copper sleeve, so unpolluted oil liquid can flow back to the oil tank from the inside to be circulated and used. Thereby, the problem of oil leakage of the guide copper sleeve when the press injection piston rod of a press injection system of a die casting machine moves forwards, and the goals of eliminating the potential fire hazard, reducing the pollution of the oil liquid on die casting production shops and saving energy sources can be reached. At the same time, the structural device has the advantages of convenient processing, simple and convenient assembly and strong reliability.
Description
Technical field
The utility model relates to the compression casting technical field, particularly relates to a kind of constructional device of controlling shot piston guiding copper sheathing seepage oil.
Background technology
Shot piston is the core component in the die casting machine injection system, and required pressure, speed etc. all will be transmitted by the shot piston moving linearly during die-cast product.
At present, the producer of most production die casting machines all be with copper alloy as the straight-line guide elements of shot piston, the guide elements of this copper alloy is called the guiding copper sheathing, shot piston cooperates with the activity of guiding copper sheathing.
The die casting machine ubiquity shot piston of the prior art Shi Huicong guiding copper sheathing that travels forward leaks out the phenomenon of fluid from inside to outside.Though by on the guiding copper sheathing, seal being installed, have with the hydraulic oil in the bar chamber that is used for guaranteeing shot piston and not flow back to fuel tank with leaking, but, because there is accumulated error in the part processing assembling, and the influence of part deadweight generation, it is theoretic precisely absolute that the linearity of shot piston motion and axiality can not reach, and shot piston is again with very high speed travel forward (reach as high as 10m/s and more than), the oil film that sticks on the shot piston can be taken out of with shot piston, and crosses the pull bar envelope that the guiding copper sheathing is provided with.So, when the shot piston Shi Huicong guiding copper sheathing that travels forward leaks out fluid from inside to outside.This will cause very big pollution to the environment in die casting workshop; Also can cause simultaneously the significant wastage of fluid; In addition, if producer's use of production die casting machine is mineral oil (non-F R Oil), the high-temperature oil liquid of seepage also can cause causing the potential safety hazard of fire.
Therefore, need the problem that a kind of can avoid shot piston the to travel forward caused environmental pollution of time guiding copper sheathing seepage oil, energy waste is provided badly, and be convenient to process, assemble the constructional device of the control shot piston guiding copper sheathing seepage oil of easy, good reliability.
The utility model content
The purpose of this utility model is to avoid weak point of the prior art and a kind of problem of can avoid shot piston the to travel forward caused environmental pollution of time guiding copper sheathing seepage oil, energy waste is provided, and is convenient to process, assemble the constructional device of the control shot piston guiding copper sheathing seepage oil of easy, good reliability.
The purpose of this utility model realizes by following technical measures:
A kind of constructional device of controlling shot piston guiding copper sheathing seepage oil is provided, and the guiding copper sheathing that includes shot piston and cooperate with described shot piston activity, described guiding copper sheathing are provided with the pull bar envelope, wherein,
The front end of described guiding copper sheathing is provided with the forward flange of the described guiding copper sheathing of axial restraint,
The rear end of described forward flange is provided with the oil cylinder forward flange of radially fixing described guiding copper sheathing,
The internal ring wall of described forward flange is disposed with dust ring and annular is drawn oil groove,
Described annular is drawn oil groove and is communicated with fuel tank by drawing oil hole.
Preferably,
Above-mentioned forward flange is provided with first and draws oil hole, and described oil cylinder forward flange is provided with second and draws oil hole, and the fast-discharge valve body of fixedlying connected with the bottom of described oil cylinder forward flange is provided with the 3rd and draws oil hole,
Described first draws oil hole, described second draws oil hole and the described the 3rd and draws between the oil hole mutually and connect.
It is preferred,
Above-mentioned first draws oil hole and described second draws between the oil hole, described second draws oil hole and the described the 3rd and draw and be provided with seal between the oil hole.
Further,
Fluid in the bar chamber of above-mentioned shot piston is communicated with described fuel tank by the discharging tube that is provided with,
Described discharging tube is fixedly set in described fast-discharge valve body,
The madial wall of described discharging tube is provided with and draws oil-piping layout,
A described end and the described the 3rd that draws oil-piping layout draws oil hole and joins, and its other end is communicated with described fuel tank.
Further,
The above-mentioned downside that draws oil-piping layout is fixedlyed connected with the madial wall of described discharging tube.
Above, above-mentioned annular is drawn oil groove and is arranged between described dust ring and the described pull bar envelope.
The guiding copper sheathing that the utility model includes shot piston and cooperates with the shot piston activity, the guiding copper sheathing is provided with the pull bar envelope, wherein, the front end of guiding copper sheathing is provided with the forward flange of axial restraint guiding copper sheathing, the rear end of forward flange is provided with the radially oil cylinder forward flange of fixed guide copper sheathing, the internal ring wall of forward flange is disposed with dust ring and annular is drawn oil groove, and annular is drawn oil groove and is communicated with fuel tank by drawing oil hole.Adopt this constructional device can realize fluid channeling conduct to shot piston guiding copper sheathing place seepage, make that flowing back to fuel tank internally again without the fluid that pollutes recycles, the problem of guiding copper sheathing seepage oil when thereby the shot piston of having avoided die casting machine injection system travels forward, finally reach the elimination disaster hidden-trouble, reduce the pollution of fluid, the purpose of energy savings to the die casting workshop.Simultaneously, this constructional device is convenient to processing and is assembled easyly, easily realize, and good reliability.
Description of drawings
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is a kind of cross-sectional view of controlling the constructional device of shot piston guiding copper sheathing seepage oil of the present utility model.
Comprise among Fig. 1:
1---forward flange, 2---guiding copper sheathing, 3---shot piston, 4---oil cylinder forward flange, 51---first draws oil hole, 52---second draws oil hole, 53---the 3rd draws oil hole, 6---fast-discharge valve body, 7---discharging tube, 8------fuel tank, 10---annular is drawn oil groove, 11---pull bar envelope, 12---dust ring, 13---seal that draw oil-piping layout, 9.
The specific embodiment
With the following Examples the utility model is further described.
The specific embodiment of a kind of constructional device of controlling shot piston guiding copper sheathing seepage oil of the present utility model as shown in Figure 1, the guiding copper sheathings 2 that include shot piston 3 and cooperate with described shot piston 3 activities, described guiding copper sheathing 2 is equipped with the pull bar envelope 11 of piston rod special use, wherein, the front end of described guiding copper sheathing 2 is provided with the forward flange 1 of the described guiding copper sheathing 2 of axial restraint, the rear end of described forward flange 1 is provided with the oil cylinder forward flange 4 of radially fixing described guiding copper sheathing 2, the internal ring wall of described forward flange 1 is disposed with dust ring 12 from left to right and annular is drawn oil groove 10, and described annular is drawn oil groove 10 and is communicated with fuel tank 9 by drawing oil hole.Dust ring 12 can stop that impurity enters into hydraulic system, and the fluid that plays shot piston 3 is taken out of (promptly crossing the pull bar envelope 11 that guiding copper sheathing 2 is provided with) blows into annular and draws in the oil groove 10.
Concrete, above-mentioned forward flange 1 is provided with first and draws oil hole 51, described oil cylinder forward flange 4 is provided with second and draws oil hole 52, the fast-discharge valve body 6 of fixedlying connected with the bottom of described oil cylinder forward flange 4 is provided with the 3rd and draws oil hole 53, and described first draws oil hole 51, described second draws oil hole 52 and the described the 3rd and draw between the oil hole 53 mutually and connect.This first draws oil hole 51, second and draws the aperture that oil hole 52 and the 3rd draws oil hole 53 and can decide according to concrete structure.Can when processing parts, process the above-mentioned oil hole that draws.
More specifically, above-mentioned first draws oil hole 51 and described second and draws between the oil hole 52, described second draws oil hole 52 and the described the 3rd and draw and be provided with seal 13 between the oil hole 53.Draw oil hole running through each part faying face place installation seal 13,, can guarantee that more the fluid that flows back to does not have leakage to prevent oil liquid leakage.
Further, fluid in the bar chamber of above-mentioned shot piston 3 is communicated with described fuel tank 9 by the discharging tube 7 that is provided with, described discharging tube 7 is fixedly set in described fast-discharge valve body 6, the madial wall of described discharging tube 7 is provided with and draws oil-piping layout 8, a described end and the described the 3rd that draws oil-piping layout 8 draws oil hole 53 and joins, and its other end is communicated with described fuel tank 9.Shot piston 3 fluid that promotes rod end chamber that advances flows back to fuel tank 9 fast by oil cylinder forward flange 4, fast-discharge valve body 6 and discharging tube 7.Draw oil-piping layout 8 and be connected with discharging tube 7 in the mode of threaded engagement, the lower end that will draw oil-piping layout 8 is welded on the inwall of discharging tube 7 again, can not get loose under the oil return of big flow is impacted thereby can guarantee to draw oil-piping layout 8.
Further, the above-mentioned downside that draws oil-piping layout 8 is fixedlyed connected with the madial wall of described discharging tube 7.
Above, above-mentioned annular is drawn oil groove 10 and is arranged between described dust ring 12 and the described pull bar envelope 11.
The utility model is when work, during shot piston 3 forward direction (as the direction of arrow that indicates among Fig. 1) motion, the fluid of (promptly the crossing the pull bar envelope 11 that guiding copper sheathing 2 is provided with) of being taken out of by shot piston 3 is blown into annular and is drawn oil groove 10 under the effect of dust ring 12, and flow into first and draw oil hole 51, again through oil cylinder forward flange 4 be provided with second draw that oil hole 52, fast-discharge valve body 6 be provided with the 3rd draw that oil hole 53, discharging tube 7 be provided with draw oil-piping layout 8, flow back to fuel tank 9 at last.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model; but not to the restriction of the utility model protection domain; all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, and are included in the utility model patent claim.
Claims (6)
1. constructional device of controlling shot piston guiding copper sheathing seepage oil, the guiding copper sheathing that includes shot piston and cooperates with described shot piston activity, described guiding copper sheathing are provided with pull bar and seal, and it is characterized in that:
The front end of described guiding copper sheathing is provided with the forward flange of the described guiding copper sheathing of axial restraint,
The rear end of described forward flange is provided with the oil cylinder forward flange of radially fixing described guiding copper sheathing,
The internal ring wall of described forward flange is disposed with dust ring and annular is drawn oil groove,
Described annular is drawn oil groove and is communicated with fuel tank by drawing oil hole.
2. the constructional device of control shot piston guiding copper sheathing seepage oil according to claim 1 is characterized in that:
Described forward flange is provided with first and draws oil hole, and described oil cylinder forward flange is provided with second and draws oil hole, and the fast-discharge valve body of fixedlying connected with the bottom of described oil cylinder forward flange is provided with the 3rd and draws oil hole,
Described first draws oil hole, described second draws oil hole and the described the 3rd and draws between the oil hole mutually and connect.
3. the constructional device of control shot piston guiding copper sheathing seepage oil according to claim 2 is characterized in that:
Described first draws oil hole and described second draws between the oil hole, described second draws oil hole and the described the 3rd and draw and be provided with seal between the oil hole.
4. the constructional device of control shot piston guiding copper sheathing seepage oil according to claim 3 is characterized in that:
Fluid in the bar chamber of described shot piston is communicated with described fuel tank by the discharging tube that is provided with,
Described discharging tube is fixedly set in described fast-discharge valve body,
The madial wall of described discharging tube is provided with and draws oil-piping layout,
A described end and the described the 3rd that draws oil-piping layout draws oil hole and joins, and its other end is communicated with described fuel tank.
5. the constructional device of control shot piston guiding copper sheathing seepage oil according to claim 4 is characterized in that:
The described downside that draws oil-piping layout is fixedlyed connected with the madial wall of described discharging tube.
6. according to the constructional device of claim 1 or 2 or 3 or 4 or 5 described control shot piston guiding copper sheathing seepage oil, it is characterized in that: described annular is drawn oil groove and is arranged between described dust ring and the described pull bar envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201157816U CN201659276U (en) | 2010-02-08 | 2010-02-08 | Structural device for controlling oil leakage of press injection piston rod guide copper sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201157816U CN201659276U (en) | 2010-02-08 | 2010-02-08 | Structural device for controlling oil leakage of press injection piston rod guide copper sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659276U true CN201659276U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201157816U Expired - Lifetime CN201659276U (en) | 2010-02-08 | 2010-02-08 | Structural device for controlling oil leakage of press injection piston rod guide copper sleeve |
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| CN (1) | CN201659276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894580A (en) * | 2012-12-28 | 2014-07-02 | 宜兴市佳晨压铸机制造有限公司 | Novel injection and oil return sliding pipe structure |
-
2010
- 2010-02-08 CN CN2010201157816U patent/CN201659276U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894580A (en) * | 2012-12-28 | 2014-07-02 | 宜兴市佳晨压铸机制造有限公司 | Novel injection and oil return sliding pipe structure |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |