CN207261353U - A kind of hydraulic combination cylinder with fast feed accurate positioning function - Google Patents
A kind of hydraulic combination cylinder with fast feed accurate positioning function Download PDFInfo
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- CN207261353U CN207261353U CN201721350528.7U CN201721350528U CN207261353U CN 207261353 U CN207261353 U CN 207261353U CN 201721350528 U CN201721350528 U CN 201721350528U CN 207261353 U CN207261353 U CN 207261353U
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Abstract
A kind of hydraulic combination cylinder with fast feed accurate positioning function, belongs to hydraulic cylinder structure technical field.Technical essential：Piston and piston rod are internally provided with including the cylinder cap with electromagnetic proximity switch, cylinder head, the stepped cylinder barrel of inner wall belt, the piston rod with magnet ring, piston and cylinder bottom, the cylinder barrel, piston rod is stretched into cylinder barrel from cylinder cap and is connected with piston；There is gap between piston and inner wall of cylinder the latter half and without clearance fit between cooperation, with inner wall of cylinder top half；The top of the bottom connection of the cylinder bottom and cylinder barrel, cylinder cap and cylinder barrel connects；The second oil inlet and outlet is offered on the side wall of the cylinder head, the first oil inlet and outlet is offered on the side wall of the cylinder bottom.The hydraulic combination cylinder of the utility model possesses the characteristics of two kinds of cylinder structures of plunger case and piston rod, can meet fast feed and be accurately positioned the working condition requirement of frequent transitions；The utility model structure is reliable, and practicality is high.
Description
Technical field
It the utility model is related to a kind of hydraulic combination cylinder, and in particular to a kind of liquid with fast feed accurate positioning function
Combination cylinder is pressed, belongs to hydraulic cylinder structure design field.
Background technology
Plunger case and piston cylinder are two kinds of structure types of hydraulic cylinder.Plunger case is a kind of single-action hydraulic cylinder, main special
Point is that plunger is required with cylinder barrel without coordinating, and stroke length, load is big, but precision is relatively low and backhaul is needed by external force；Piston cylinder
It is divided into single lever-type piston cylinder and double rod type piston cylinder, is double acting hydraulic cylinder, is all controlled into backhaul by hydraulic oil, main feature
It is that control accuracy is higher, but load is smaller.
Since the structure of two kinds of hydraulic cylinders is different with principle, their applicable situation is also different.Plunger case is suitable for long row
Journey, big load, the workplace of big flow；Piston cylinder is suitable for the high workplace of short stroke, small flow, required precision.
In production process, the situation of fast feed operating mode frequent transitions different with being accurately positioned two kinds is frequently encountered, use is existing
The hydraulic cylinder of single type is difficult to meet whole requirements.
Utility model content
The brief overview on the utility model is given below, in order to provide some sides on the utility model
The basic comprehension in face.It should be appreciated that this general introduction is not the exhaustive general introduction on the utility model.It is not intended to really
The key or pith of the utility model are determined, nor intended limitation the scope of the utility model.Its purpose is only with letter
The form of change provides some concepts, in this, as the preamble in greater detail discussed later.
In consideration of it, the utility model provides a kind of hydraulic combination cylinder with fast feed accurate positioning function, to solve
Existing hydraulic cylinder cannot meet realize fast feed in production process, and can carry out pinpoint the problem of requiring,
The hydraulic combination cylinder of the utility model, by realizing the conversion of plunger case, piston cylinder function, so as to meet to make under different operating modes
With requiring.
Technical solution is used by the utility model：A kind of Combined hydraulic with fast feed accurate positioning function
Cylinder, including the stepped cylinder barrel of the cylinder cap with electromagnetic proximity switch, cylinder head, inner wall belt, the piston rod with magnet ring, piston and
Cylinder bottom, the cylinder barrel are internally provided with piston and piston rod, and piston rod is stretched into cylinder barrel from cylinder cap and is connected with piston；The cylinder bottom
It is connected with the bottom of cylinder barrel, the top connection of cylinder cap and cylinder barrel；The second oil inlet and outlet is offered on the side wall of the cylinder head, it is described
The first oil inlet and outlet is offered on the side wall of cylinder bottom.
Further：The inner wall of cylinder has a stepped cylinder inner cavity of two sections of different-diameters, in cylinder barrel the latter half
Chamber diameter is more than top half intracavity diameter.
Further：There is gap between the piston and inner wall of cylinder the latter half and without cooperation, with inner wall of cylinder upper half
Clearance fit between part.
Further：The magnet ring installed on the piston rod moves to the position for the electromagnetic proximity switch installed on cylinder cap
When, electromagnetic proximity switch can export electronic pulse signal, control electrical equipment action beyond hydraulic combination cylinder.
The hydraulic combination cylinder of the utility model possesses the design feature of two kinds of cylinders of plunger case and piston rod, can meet quick
Feed and be accurately positioned the working condition requirement of frequent transitions.Two parts inner diameter is different up and down for cylinder barrel, with ladder, piston and cylinder
Cylinder inner wall has gap and without clearance fit between cooperation, with inner wall of cylinder top half between the latter half.Cylinder cap upper end carries
Electromagnetic proximity switch, magnet ring, the solenoid directional control valve that the connection of the second oil inlet and outlet is controlled by electromagnetic proximity switch are carried on piston rod.
Beneficial effect：
The utility model matches somebody with somebody nothing between piston and inner wall of cylinder the latter half due to using the stepped cylinder barrel of inner wall belt
Close, hydraulic combination cylinder plays plunger case at this time, can meet the requirement of fast feed；Piston divides it with the inner wall of cylinder first half
Between clearance fit, at this time hydraulic combination cylinder play piston cylinder, can meet pinpoint requirement, so as to meet different operating modes
Requirement.The utility model structure is reliable, and practicality is high.
Brief description of the drawings
Fig. 1：The structure diagram of hydraulic combination cylinder described in the utility model；
Fig. 2：The utility model hydraulic combination cylinder is applied to the hydraulic system principle figure of hot press.
In figure：1. electromagnetic proximity switch, 2. second oil inlet and outlets, 3. magnet rings, 4. cylinder barrels, 5. first oil inlet and outlets, 6. cylinders
Bottom, 7. pistons, 8. piston rods, 9. cylinder heads, 10. cylinder caps, 11. fuel tanks, 12. hydraulic pumps, 13. motor, the commutation of 15. 3-position 4-ways
Valve, 16. hydraulic combination cylinders, 17. heating platens.
Embodiment
The one exemplary embodiment of the utility model is described hereinafter in connection with attached drawing.Rise for clarity and conciseness
See, do not describe all features of actual implementation mode in the description.It should be understood, however, that developing any this reality
It must be made during embodiment much specific to the decision of embodiment, to realize the objectives of developer, example
Such as, meet with those relevant restrictive conditions of system and business, and these restrictive conditions may be with embodiment not
Change together.In addition, it will also be appreciated that although development is likely to be extremely complex and time-consuming, to having benefited from
For those skilled in the art of the utility model disclosure, this development is only routine task.
Herein, it is also necessary to which explanation is a bit, in order to avoid having obscured the utility model because of unnecessary details, attached
It illustrate only the apparatus structure closely related with scheme according to the present utility model and/or processing step in figure, and eliminate
The little other details with the utility model relation.
Embodiment 1：Illustrate, a kind of hydraulic combination cylinder with fast feed accurate positioning function, wrap with reference to Fig. 1
Include：Including the cylinder cap 10 with electromagnetic proximity switch 1, cylinder head 9, the stepped cylinder barrel 4 of inner wall belt, the piston rod with magnet ring 3
8th, piston 7 and cylinder bottom 6, the cylinder barrel 4 are internally provided with piston 7 and piston rod 8, piston rod 8 from cylinder cap 10 stretch into cylinder barrel 4 with
Piston 7 connects；There is gap between piston and inner wall of cylinder the latter half and without gap between cooperation, with inner wall of cylinder top half
Coordinate；The cylinder bottom 6 is connected with the bottom of cylinder barrel 4, and cylinder cap 10 is connected with the top of cylinder barrel 4；Opened up on the side wall of the cylinder head 9
There is the second oil inlet and outlet 2, the first oil inlet and outlet 5 is offered on the side wall of the cylinder bottom 6.Set between the cylinder head 9 and cylinder cap 10
There is O-ring seal, guide sleeve is equipped between cylinder head 9 and piston rod 8.Sealing ring is equipped between the cylinder bottom 6 and cylinder barrel 4.It is described
Piston 7 and piston rod 8 weld together, clearance fit between 4 inner wall top half of piston 7 and cylinder barrel.
The course of work of the hydraulic combination cylinder is：When pressing cycle starts, piston 7 is located at 4 bottom of cylinder barrel, electromagnet
YA2 obtains electric, and the hydraulic oil in fuel tank 11 enters hydraulic pressure under the action of hydraulic pump 12 and motor 13, from the first oil inlet and outlet 5
Combination cylinder 16, piston 7 are located in 4 lower half of cylinder barrel, have gap between 4 inner wall of piston 7 and cylinder barrel and without cooperation, hydraulic combination cylinder 16
Play plunger case, can meet the requirement of fast feed, hot press is in quick-make state；7 upper end of piston and cylinder barrel 4
60 ° of conical surfaces are equipped with inner wall step, piston 7 is through when entering 4 first half of cylinder barrel through step from 4 lower half of cylinder barrel, the conical surface plays fixed
The heart acts on；When piston 7 is by 4 inner conical surface of cylinder barrel, the magnet ring 3 on piston rod 8 passes through electromagnetic proximity switch 1, produces electronics arteries and veins
Signal is rushed, the solenoid directional control valve 15 of the second oil inlet and outlet 2 of connection is controlled by Control of Hot Press Control System, realizes plunger case and piston
The conversion of cylinder；After piston 7 enters 4 first half of cylinder barrel, electromagnet YA2 dead electricity, clearance fit between 4 inner wall of piston 7 and cylinder barrel,
Hydraulic combination cylinder 16 is divided into rod chamber and rodless cavity by piston, and electromagnet YA3 or YA4 obtain electric, and hydraulic oil is by first into fuel-displaced
5 and second oil inlet and outlet 2 of mouth passes in and out, and the movement of control piston bar, so as to control the position of heating platen 17, hydraulic combination cylinder 16 plays work
The effect of plug cylinder, can meet pinpoint requirement, hot press is in the state of pressurization or pressurize；During backhaul, piston 7 passes through
Crossing 4 inner wall step of cylinder barrel and enter 4 lower half of cylinder barrel, electromagnet YA1 obtains electric, and hydraulic combination cylinder 16 plays plunger case again,
It can realize the requirement quickly fallen after rise, and hot press is in release fast-rewinding state；When piston 7 falls back to 4 bottom of cylinder barrel, hot pressing
End cycle.
Although the revealed embodiment of the utility model is as above, its content is only to facilitate understand the utility model
Technical solution and the embodiment that uses, be not intended to limit the utility model.Any the utility model technical field
Interior technical staff, can be in the form of implementation on the premise of the revealed core technology scheme of the utility model is not departed from
With any modification and change are made in details, but the protection domain that the utility model is limited still must be with appended claims
Subject to the scope of restriction.
Claims (4)
- A kind of 1. hydraulic combination cylinder with fast feed accurate positioning function, it is characterised in that：Opened including being approached with electromagnetism Close the cylinder cap (10) of (1), cylinder head (9), the stepped cylinder barrel of inner wall belt (4), the piston rod (8) with magnet ring (3), piston (7) and Cylinder bottom (6), the cylinder barrel (4) are internally provided with piston (7) and piston rod (8), and piston rod (8) stretches into cylinder barrel from cylinder cap (10) (4) it is connected in piston (7)；The cylinder bottom (6) is connected with the bottom of cylinder barrel (4), and cylinder cap (10) and the top of cylinder barrel (4) connect Connect；The second oil inlet and outlet (2) is offered on the side wall of the cylinder head (9), the first disengaging is offered on the side wall of the cylinder bottom (6) Hydraulic fluid port (5).
- A kind of 2. hydraulic combination cylinder with fast feed accurate positioning function according to claim 1, it is characterised in that： Cylinder barrel (4) inner wall has the stepped cylinder inner cavity of two sections of different-diameters, and cylinder barrel (4) the latter half intracavity diameter is more than upper Half part intracavity diameter.
- 3. a kind of hydraulic combination cylinder with fast feed accurate positioning function according to claim 1 or 2, its feature exist In：There is gap between the piston (7) and cylinder barrel (4) inner wall the latter half and without cooperation, divide it with cylinder barrel (4) inner wall first half Between clearance fit.
- A kind of 4. hydraulic combination cylinder with fast feed accurate positioning function according to claim 1, it is characterised in that： When the magnet ring (3) installed on the piston rod (8) moves on cylinder cap (10) position for the electromagnetic proximity switch (1) installed, electricity Magnet proximity switch (1) exports electronic pulse signal, controls electrical equipment action beyond hydraulic combination cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350528.7U CN207261353U (en) | 2017-10-19 | 2017-10-19 | A kind of hydraulic combination cylinder with fast feed accurate positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721350528.7U CN207261353U (en) | 2017-10-19 | 2017-10-19 | A kind of hydraulic combination cylinder with fast feed accurate positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261353U true CN207261353U (en) | 2018-04-20 |
Family
ID=61918058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721350528.7U Active CN207261353U (en) | 2017-10-19 | 2017-10-19 | A kind of hydraulic combination cylinder with fast feed accurate positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261353U (en) |
-
2017
- 2017-10-19 CN CN201721350528.7U patent/CN207261353U/en active Active
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