CN203500149U - Hydraulic system used for hole milling and clamping device of connecting rod - Google Patents
Hydraulic system used for hole milling and clamping device of connecting rod Download PDFInfo
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- CN203500149U CN203500149U CN201320587772.0U CN201320587772U CN203500149U CN 203500149 U CN203500149 U CN 203500149U CN 201320587772 U CN201320587772 U CN 201320587772U CN 203500149 U CN203500149 U CN 203500149U
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- connecting rod
- hydraulic pump
- hydraulic system
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Abstract
The utility model discloses a hydraulic system used for a hole milling and clamping device of connecting rods. The hydraulic system comprises an oil tank, a hydraulic pump and an operating oil cylinder, and further comprises a pressure reducing valve and a one-way throttle valve, wherein an oil outlet of the hydraulic pump is communicated with a first operating port of a reversing valve, a second operating port of the reversing valve is communicated with a rodless cavity of the operating oil cylinder, a rod cavity of the operating oil cylinder is communicated with a third operating port of the reversing valve, a fourth operating port of the reversing valve is communicated with the oil tank, a pipeline between the oil outlet of the hydraulic pump and the first operating port of the reversing valve is sequentially provided with the pressure reducing valve and a one-way valve, and a pipeline between the rod cavity of the operating oil cylinder and the third operating port of the reversing valve is provided with the one-way throttle valve. The hydraulic system has the advantages of reasonable design, simple structure, high degree of automation, low operation cost, electro-mechanical-hydraulic integral design, high intelligentization degree, stable and reliable operation and long service life.
Description
Technical field
The utility model belongs to hydraulic driving technical field, relates to a kind of hydraulic system, is specifically related to a kind of hydraulic system of connecting rod hole milling hold down gag.
Background technique
The manufacturing procedure that connects as depicted in figs. 1 and 2 component of rod category is generally that large stomidium is processed in first boring, after large stomidium is completed by Boring machine processing, take large stomidium and internal surface thereof to reprocess little stomidium as benchmark, thereby guarantees dimensional accuracy and the perpendicularity requirement in two holes.Because such part manufacturing batch is larger, if large stomidium and little stomidium all complete processing by boring machine, the Boring machine processing time longer, Boring machine processing pressure is large.
Model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of connecting rod hole milling hold down gag hydraulic system is provided, and it is reasonable in design, simple in structure, automaticity is high, and operating cost is low, mechanical-electrical-hydraulic integration design, intelligent degree is high, stable and reliable operation, long service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of connecting rod hole milling hold down gag hydraulic system, comprise fuel tank, for system provides oil hydraulic pump and the operating cylinder of high pressure liquid force feed, it is characterized in that: also comprise reduction valve and one-way throttle valve, the oil outlet of described oil hydraulic pump is communicated with the first working port of selector valve, the second working port of described selector valve is communicated with the rodless cavity of described operating cylinder, the rod chamber of described operating cylinder is communicated with the 3rd working port of described selector valve, the 4th working port of described selector valve is communicated with described fuel tank, on pipeline between the first working port of the oil outlet of described oil hydraulic pump and described selector valve, be disposed with reduction valve and one-way valve, on pipeline between the 3rd working port of the rod chamber of described operating cylinder and described selector valve, be provided with described one-way throttle valve, the oil outlet place of described oil hydraulic pump is provided with relief valve.
Above-mentioned connecting rod hole milling hold down gag hydraulic system, is characterized in that: the inlet port place of described oil hydraulic pump is provided with oil purifier.
Above-mentioned connecting rod hole milling hold down gag hydraulic system, is characterized in that: described selector valve is 3-position 4-way solenoid directional control valve.
The utility model compared with prior art has the following advantages:
(1) this connecting rod hole milling hold down gag is very reasonable by design of Hydraulic System, simple and compact for structure, is easy to realize accurate control.
(2) this connecting rod hole milling hold down gag is high by the automaticity of hydraulic system, and the automatic control program according to the design of system operation characteristic, can make the automatic operation of equipment, and operator's labor intensity is low.
(3) hydraulic system adopts mechanical-electrical-hydraulic integration design for this connecting rod hole milling hold down gag, and its intelligent degree is very high, during work without manual tune.
(4) this connecting rod hole milling hold down gag with hydraulic system in running without rigid impulse, stable and reliable operation, long service life.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the plan view of connecting rod.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is hydraulic control principle schematic of the present utility model.
Fig. 4 is the mechanical structure schematic diagram of connecting rod hole milling hold down gag.
Fig. 5 is the plan view of Fig. 4.
Description of reference numerals:
Embodiment
A kind of connecting rod hole milling hold down gag hydraulic system as shown in Figure 3, comprises fuel tank 20, for system provides oil hydraulic pump 21 and the operating cylinder 16 of high pressure liquid force feed, also comprises reduction valve 22 and one-way throttle valve 25, the oil outlet of described oil hydraulic pump 21 is communicated with the first working port of selector valve 24, the second working port of described selector valve 24 is communicated with the rodless cavity of described operating cylinder 16, the rod chamber of described operating cylinder 16 is communicated with the 3rd working port of described selector valve 24, the 4th working port of described selector valve 24 is communicated with described fuel tank 20, on pipeline between the oil outlet of described oil hydraulic pump 21 and the first working port of described selector valve 24, be disposed with reduction valve 22 and one-way valve 23, on pipeline between the 3rd working port of the rod chamber of described operating cylinder 16 and described selector valve 24, be provided with described one-way throttle valve 25, the oil outlet place of described oil hydraulic pump 21 is provided with relief valve 18, the inlet port place of described oil hydraulic pump 21 is provided with oil purifier 19.
In the present embodiment, described selector valve 24 is 3-position 4-way solenoid directional control valve;
The mechanical structure schematic diagram of the connecting rod hole milling hold down gag driving for native system as shown in Figure 4 and Figure 5, described support 1 one end upside is fixedly installed mounting blocks 2, in described mounting blocks 2 middle part tapped holes, be provided with fastening screw 4, described support 1 upside is fixedly installed the guide pad 3 that is used to described fastening screw 4 guiding.Described fastening screw 4 ends are hinged with for holding out against the V-arrangement of connecting rod 7 to be processed and cut somebody's hair 5, described support 1 middle part upside is useful on the positioning disk 8 of the described connecting rod 7 large stomidiums to be processed in location by sunk screw 9 fixed installations, on described support 1, slide and be provided with guide rod 12, described guide rod 12 upper end fixed installations are useful on the pressing plate 10 that compresses described connecting rod 7 to be processed, between described pressing plate 10 and described support 1, be provided with Returnning spring 11, described guide rod 12 lower ends are rotatablely equipped with the roller 14 being used in conjunction with inclined-plane slide bar 15 by turning rolls 13, described inclined-plane slide bar 15 is slidably mounted on described support 1 by sliding sleeve 17, described inclined-plane slide bar 15 is fixedly connected with the piston rod of described oil hydraulic cylinder 16, described support 1 upside is positioned at described connecting rod to be processed 7 small end downsides and is provided with backing plate 6.
The utility model connecting rod hole milling hold down gag by the working procedure of hydraulic system is: first by support 1, this list station tie rod holes milling hold down gag is fixedly mounted on milling machine table, connecting rod 7 to be processed is placed on to relevant position, positioning disk 8 positions by the large stomidium of connecting rod 7 to be processed, use spanner to rotate fastening screw 4 and make V-arrangement 5 small ends that hold out against connecting rod 7 to be processed of cutting somebody's hair, primer fluid press pump 21, during 24 left connecting systems of selector valve, high pressure liquid force feed enters in the rodless cavity of hydraulic jack 16, the piston rod of hydraulic jack 16 moves forward, thereby make inclined-plane slide bar 15 in sliding sleeve 17 slides forwards, roller 14 moves down along the inclined-plane of inclined-plane slide bar 15, roller 14 compresses connecting rod 7 to be processed by turning rolls 13 and guide rod 12 band dynamic pressure plates 10, start milling machine and carry out Milling Process.
After processed the completing of connecting rod 7 to be processed, 24 right connecting systems of selector valve, high pressure liquid force feed enters in the rod chamber of hydraulic jack 16 through one-way throttle valve 17, the piston rod of oil hydraulic cylinder 16 moves backward, drive inclined-plane slide bar 15 to slide backward in sliding sleeve 17, roller 14 moves up along the inclined-plane of inclined-plane slide bar 15, and Returnning spring 11 band dynamic pressure plates 10 upwards lift, and operator can unload the workpiece machining.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (3)
1. a connecting rod hole milling hold down gag hydraulic system, comprises fuel tank (20), for system provides oil hydraulic pump (21) and the operating cylinder (16) of high pressure liquid force feed, it is characterized in that: also comprise reduction valve (22) and one-way throttle valve (25), the oil outlet of described oil hydraulic pump (21) is communicated with the first working port of selector valve (24), the second working port of described selector valve (24) is communicated with the rodless cavity of described operating cylinder (16), the rod chamber of described operating cylinder (16) is communicated with the 3rd working port of described selector valve (24), the 4th working port of described selector valve (24) is communicated with described fuel tank (20), on pipeline between the first working port of the oil outlet of described oil hydraulic pump (21) and described selector valve (24), be disposed with reduction valve (22) and one-way valve (23), on pipeline between the rod chamber of described operating cylinder (16) and the 3rd working port of described selector valve (24), be provided with described one-way throttle valve (25), the oil outlet place of described oil hydraulic pump (21) is provided with relief valve (18).
2. according to connecting rod hole milling hold down gag hydraulic system claimed in claim 1, it is characterized in that: the inlet port place of described oil hydraulic pump (21) is provided with oil purifier (19).
3. according to connecting rod hole milling hold down gag hydraulic system claimed in claim 1, it is characterized in that: described selector valve (24) is 3-position 4-way solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587772.0U CN203500149U (en) | 2013-09-22 | 2013-09-22 | Hydraulic system used for hole milling and clamping device of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320587772.0U CN203500149U (en) | 2013-09-22 | 2013-09-22 | Hydraulic system used for hole milling and clamping device of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500149U true CN203500149U (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320587772.0U Expired - Fee Related CN203500149U (en) | 2013-09-22 | 2013-09-22 | Hydraulic system used for hole milling and clamping device of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500149U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314895A (en) * | 2014-09-18 | 2015-01-28 | 芜湖高昌液压机电技术有限公司 | Reversing valve type unloading loop for scissor lift |
| CN104405701A (en) * | 2014-09-18 | 2015-03-11 | 芜湖高昌液压机电技术有限公司 | Proportional pressure regulating loop for lifter |
| CN104476791A (en) * | 2014-12-08 | 2015-04-01 | 上海宝钢物流有限公司 | Double-rod horizontal hydraulic machine |
| CN104493471A (en) * | 2014-12-19 | 2015-04-08 | 广西大学 | Auxiliary disassembly device for disassembly of differentials |
-
2013
- 2013-09-22 CN CN201320587772.0U patent/CN203500149U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314895A (en) * | 2014-09-18 | 2015-01-28 | 芜湖高昌液压机电技术有限公司 | Reversing valve type unloading loop for scissor lift |
| CN104405701A (en) * | 2014-09-18 | 2015-03-11 | 芜湖高昌液压机电技术有限公司 | Proportional pressure regulating loop for lifter |
| CN104476791A (en) * | 2014-12-08 | 2015-04-01 | 上海宝钢物流有限公司 | Double-rod horizontal hydraulic machine |
| CN104493471A (en) * | 2014-12-19 | 2015-04-08 | 广西大学 | Auxiliary disassembly device for disassembly of differentials |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |