CN207138555U - A kind of hydraulic control suitable for straightener - Google Patents
A kind of hydraulic control suitable for straightener Download PDFInfo
- Publication number
- CN207138555U CN207138555U CN201720585036.XU CN201720585036U CN207138555U CN 207138555 U CN207138555 U CN 207138555U CN 201720585036 U CN201720585036 U CN 201720585036U CN 207138555 U CN207138555 U CN 207138555U
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- oil outlet
- hydraulic control
- width
- valve
- feed hole
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Abstract
The utility model discloses a kind of hydraulic control suitable for straightener, including hydraulic pump, hydraulic jack and hydraulic control valve, hydraulic control valve includes valve body, valve pocket and valve element, valve body is provided with first annular cavity, valve pocket surface is provided with fuel feed hole, the first oil outlet, the second oil outlet and spill port, fuel feed hole, the first oil outlet, the second oil outlet and spill port are connected with the oil inlet pipe on the valve body, the first flowline, the second flowline and oil return pipe, and the other end of the first flowline and the second flowline is connected with hydraulic cylinder；Spool face is provided with outwardly piston ring land, the second toroidal cavity of fuel feed hole, the first oil outlet, the second oil outlet and spill port is communicated with inside valve pocket, current limliting groove is provided with second toroidal cavity with the junction of fuel feed hole, the first oil outlet, the second oil outlet and spill port, the width of current limliting groove is more than the width of piston ring land.The utility model hydraulic control can be according to the Aligning speed for being actually needed accurate manipulation aligning mechanism.
Description
Technical field
It the utility model is related to strip metal alignment machinery, more particularly to a kind of hydraulic control machine suitable for straightener
Structure.
Background technology
In machinery production field, need to be straightened after mechanical axis production, the linearity of finished product mechanical axis is met the requirements.
Straightener is the equipment being straightened to mechanical axis.Because alignment process needs to apply larger radial pressure to mechanical axis, therefore
Straightener is typically driven by hydraulic means, and hydraulic means is moved by the flow direction and flow control aligning mechanism for controlling hydraulic oil
Direction and translational speed.
, could quick and essence because metal alignment needs to rely on worker's rich experience and the sensitive speed control of straightener
Really the metal of bending is straightened.Existing hydraulic means passes through the flow direction and flow of solenoid valve control hydraulic oil, magnetic valve pair
The flow control of hydraulic oil is stepped, therefore the translational speed of coalignment can not be controlled accurately.
Utility model content
Technical problem to be solved in the utility model is, there is provided a kind of hydraulic control suitable for straightener,
Can be according to the Aligning speed for being actually needed accurate manipulation aligning mechanism.
Inferior orientation upper all around mentioned by the utility model limits, and is using Fig. 1 as ginseng unless otherwise instructed
According to.
In order to solve the above-mentioned technical problem, the utility model provides a kind of hydraulic control suitable for straightener,
The hydraulic control includes hydraulic pump, hydraulic jack and hydraulic control valve, the hydraulic control valve include valve body, valve pocket and
Valve element, the valve body are provided with the first annular cavity for being used for accommodating the valve pocket, and the valve pocket surface goes out provided with fuel feed hole, first
On oilhole, the second oil outlet and spill port, the fuel feed hole, the first oil outlet, the second oil outlet and spill port and the valve body
Oil inlet pipe, the first flowline, the second flowline connected with oil return pipe, the other end of first flowline and the second flowline
It is connected with the hydraulic cylinder；The spool face is provided with outwardly piston ring land, and the oil-feed is communicated with inside the valve pocket
Hole, the first oil outlet, the second toroidal cavity of the second oil outlet and spill port, in second toroidal cavity with the oil-feed
Hole, the first oil outlet, the junction of the second oil outlet and spill port are provided with current limliting groove, and the width of the current limliting groove is more than piston ring land
Width.
As the improvement of such scheme, when hydraulic control valve is in original state, current limliting groove described in the piston ring land face；
When Spool rotating, the piston ring land turns to the current limliting groove side, and fuel feed hole is connected with the first oil outlet or the second oil outlet
And it is set to isolate with remaining oilhole.
As the improvement of such scheme, the flow area that the fuel feed hole connects with the first oil outlet or the second oil outlet is big
The small anglec of rotation by the valve element determines.
As the improvement of such scheme, the width of the current limliting groove is more than the width 10-100mm of piston ring land.
As the improvement of such scheme, the width of the current limliting groove is more than the width 30-50mm of piston ring land.
As the improvement of such scheme, the width of the current limliting groove is more than the width 40mm of piston ring land.
Implement the utility model, have the advantages that：
The utility model discloses the hydraulic control suitable for straightener, and the hydraulic control controls aligning mechanism
Alignment action, can be according to being actually needed the Aligning speed of accurate manipulation aligning mechanism, and operate facility, response is sensitive.
Brief description of the drawings
Fig. 1 is a kind of front view of straightener of the utility model；
Fig. 2 is a kind of stereogram of straightener of the utility model；
Fig. 3 is a kind of internal structure schematic diagram of straightener of the utility model；
Fig. 4 is a kind of structural representation of the hydraulic control of straightener of the utility model；
Fig. 5 is Fig. 4 partial enlarged drawing；
Fig. 6 is a kind of hydraulic control valve Light Condition schematic diagram of straightener of the utility model；
Fig. 7 is a kind of hydraulic control valve load condition schematic diagram of straightener of the utility model.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
As Figure 4-Figure 7, the utility model provides a kind of hydraulic control 3 suitable for straightener, including liquid
Press pump (being not drawn into figure), hydraulic jack (being not drawn into figure) and hydraulic control valve 31, the hydraulic control valve 31 include valve body
32nd, valve pocket 33 and valve element 34, the valve body 32 are provided with the first annular cavity 35 for being used for accommodating the valve pocket 33, the valve pocket 33
Surface is circumferentially with fuel feed hole 36, the first oil outlet 37, the second oil outlet 38 and spill port 39, and the fuel feed hole 36, first go out
Oil inlet pipe, the first flowline, the second flowline on oilhole 37, the second oil outlet 38 and spill port 39 and the valve body 32 and return
Oil pipe is connected, and the other end of first flowline and the second flowline is connected with the hydraulic cylinder 41；The surface of valve element 34
Provided with outwardly piston ring land 341, the fuel feed hole 36, the first oil outlet 37 are communicated with inside the valve pocket 33, second is gone out
Second toroidal cavity 331 of oilhole 38 and spill port 39, go out with the fuel feed hole 36, first in second toroidal cavity 331
The junction of oilhole 37, the second oil outlet 38 and spill port 39 is provided with current limliting groove 332, and the width of the current limliting groove 332 is more than groove
The width of ridge 341.
The operation principle of the hydraulic control valve 31 is：Hydraulic control valve such as a kind of straightener of Fig. 6 the utility model is empty
Carry shown in view, when hydraulic control valve 31 is in original state, current limliting groove 332 described in the face of piston ring land 341, by
It is more than the width of piston ring land 341 in the width of the current limliting groove 332, Prebeveling, institute between current limliting groove 332 and piston ring land 341 is present
State fuel feed hole 36, the first oil outlet 37, the second oil outlet 38 and spill port 39 to be interconnected, hydraulic system is unloaded.Such as this reality of Fig. 7
Shown in a kind of hydraulic control valve load condition schematic diagram of new straightener, when valve element 34 rotates, the piston ring land 341 turns to
The side of current limliting groove 332 simultaneously abuts with second toroidal cavity 331, the diameter of piston ring land 341 and the second toroidal cavity 331
Diameter is identical, and fuel feed hole 36 is connected with the first oil outlet 37 or the second oil outlet 38 and it is isolated with remaining oilhole.
The flow area size that the fuel feed hole 36 connects with the first oil outlet 37 or the second oil outlet 38 is by the valve element
34 anglec of rotation determines.
It should be noted that the flow area that the fuel feed hole 36 connects with the first oil outlet 37 or the second oil outlet 38 is big
The small anglec of rotation by the valve element 34 determines to refer to：The anglec of rotation of valve element 34 and the oil outlet of fuel feed hole 36 and first
37 or second oil outlet 38 connect flow area linear relationship be present, when valve element 34 rotates, piston ring land 341 and corresponding second
The relative position of toroidal cavity 331 gradually changes, and influences corresponding cross section of fluid channel size, to reach accurate control hydraulic fluid flow rate
Requirement.
Preferably, the width of the current limliting groove 332 is more than the width 10-100mm of piston ring land 341, rational in infrastructure, hydraulic pressure oil stream
Amount can be precisely controlled, and precision is up to 95%.
More preferably, the width of the current limliting groove 332 is more than the width 30-50mm of piston ring land 341, rational in infrastructure, hydraulic pressure oil stream
Amount can be precisely controlled, and precision is up to 97%.
Most preferably, the width of the current limliting groove 332 is more than the width 40mm of piston ring land 341, and rational in infrastructure, hydraulic fluid flow rate can
To be precisely controlled, precision is up to 99%.
The utility model is expanded on further with reference to the straightener shown in Fig. 1-Fig. 3, the straightener includes frame
1st, mechanical manipulation mechanism 2, hydraulic control 3, aligning mechanism 4 and testing agency 5,
The frame 1 is provided with detection platform 11, and the detection platform 11 is used for fixed workpiece to be straightened, and according to alignment
Needed and mobile workpiece to be straightened with detection；In alignment process, workpiece to be straightened is positioned in detection platform 11, and worker can use
Hand directly overturns workpiece to be straightened, and makes workpiece turning to be straightened to suitable angle.
The mechanical manipulation mechanism 2 is used for the alignment and detection operation for controlling straightener, and the control width by operator
Spend control action that is scaled and being converted into hydraulic control 3.
The control action that the hydraulic control 3 provides according to the mechanical manipulation mechanism 2 is that the aligning mechanism carries
For different flow directions and the hydraulic oil of flow velocity, the control action that the flow velocity of the hydraulic oil provides according to the mechanical manipulation mechanism 2
Linear change.
The aligning mechanism 4 includes the hydraulic cylinder 41 for being vertically arranged at the top of detection platform 11, the hydraulic cylinder 41
Hydraulic oil provided by the hydraulic control 3, the piston rod 42 of the hydraulic cylinder 41 is described towards the detection platform 11
The end of piston rod 42 is provided with briquetting 43, and the briquetting 43 has radian corresponding with workpiece to be straightened, prevented in alignment process
Workpiece local pressure to be straightened is excessive and abnormal deformation.
The testing agency 5 includes at least two groups of jump measuring instruments 51 in the detection platform 11.The bounce
Measuring instrument 51 is used for the linearity for measuring workpiece to be straightened, and worker can draw according to the numerical value difference of jump measuring instrument 51 treats school
The general curved degree of straight workpiece, is then targetedly straightened.
The utility model controls the alignment of aligning mechanism 4 to act by mechanical manipulation mechanism 2 and hydraulic control 3, can
According to the Aligning speed for being actually needed accurate manipulation aligning mechanism 4, and operation facility, response are sensitive.
Preferably, the detection platform 11 includes support base 12, and the top of support base 12 is provided with paired supporting rollern
(being not drawn into figure), the supporting rollern facilitate the rotation of workpiece to be straightened.The support base 12 is provided with elevating mechanism
13.The probe 52 of the jump measuring instrument 51 is located at the side of support base 12；The support base 12 can be in the lift
Lifted under the driving of structure 13 so that the supporting rollern of support base 12 is higher or lower than the probe 52.When needing to treat alignment work
When part measures, the elevating mechanism 13 declines, and workpiece bottom to be straightened contacts with the probe 52, and jump measuring instrument 51 is aobvious
Show the position numerical value of contact point, worker can draw the general curved of workpiece to be straightened according to the numerical value difference of jump measuring instrument 51
Degree, then targetedly it is straightened；When needs, which treat alignment workpiece, to be straightened, the elevating mechanism 13 rises,
Workpiece to be straightened leaves the probe 52, avoids being straightened jump measuring instrument 51 described in the impact failure of coalignment when carrying out.
Preferably, the mechanical manipulation mechanism 2 is provided with is converted to the control hydraulic control by swinging for handle 21
The changeover mechanism of the rotation control action of mechanism 3.
Further, the changeover mechanism refers to the Rotary Connection block being connected with the valve element 34 of the hydraulic control 3
22, the Rotary Connection block 22 is be hinged with the handle 21 so that the handle 21 can drive the Rotary Connection block 22 to revolve
Turn and with the Rotary Connection block 22 for fulcrum swing.The handle 21 passes through the hinged place of the Rotary Connection block 22 simultaneously
Extend downwardly, be connected with sliding seat controlling switch 6.
It should be noted that the handle 21 is similar to lightning class, because the amplitude of fluctuation of the front end of handle 21 is larger, therefore
By the handle 21 that swings, the rotation of Rotary Connection block 22 can be controlled, to improve control accuracy.The handle 21 passes through
The hinged place of the Rotary Connection block 22 simultaneously extends downwardly, and is connected with sliding seat controlling switch 6, when 21 swing of handle,
The sliding seat controlling switch 6 will be touched, the sliding seat controlling switch 6 controls sliding seat 14 to move left and right, is easy to treat school
The different parts of straight workpiece are straightened.
Preferably, on sliding seat 14, the sliding seat 14 can move left and right the support base 12 with respect to frame 1,
Horizontally slipping for the sliding seat 14 is controlled by the sliding seat controlling switch 6.The sliding seat 14 drives support base 12 or so
It is mobile, workpiece to be straightened is moved to the left or to the right, the differently curved position of workpiece is straightened.
Preferably, the top of the handle 21 is provided with the button switch 7 for being used for controlling the elevating mechanism 13, during operation
Only need one hand to hold handle 21, with thumb control button switch 7 can complete straightener manipulation, manipulate convenient, flexible.
Above disclosed is only a kind of the utility model preferred embodiment, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claims, still belong to what the utility model was covered
Scope.
Claims (6)
1. a kind of hydraulic control suitable for straightener, it is characterised in that the hydraulic control includes hydraulic pump, liquid
Compressing cylinder and hydraulic control valve, the hydraulic control valve include valve body, valve pocket and valve element, and the valve body is provided with described for accommodating
The first annular cavity of valve pocket, the valve pocket surface is provided with fuel feed hole, the first oil outlet, the second oil outlet and spill port, described
It is fuel feed hole, the first oil outlet, the second oil outlet and spill port and the oil inlet pipe on the valve body, the first flowline, second fuel-displaced
Pipe is connected with oil return pipe, and the other end of first flowline and the second flowline is connected with hydraulic cylinder；The spool face is set
It is outwardly convex go out piston ring land, be communicated with the fuel feed hole, the first oil outlet, the second oil outlet and spill port inside the valve pocket
The second toroidal cavity, in second toroidal cavity with the fuel feed hole, the first oil outlet, the second oil outlet and spill port
Junction is provided with current limliting groove, and the width of the current limliting groove is more than the width of piston ring land.
2. hydraulic control as claimed in claim 1, it is characterised in that when hydraulic control valve is in original state, institute
State current limliting groove described in piston ring land face；When Spool rotating, the piston ring land turns to the current limliting groove side, and fuel feed hole and first are gone out
Oilhole or the second oil outlet connect and it is isolated with remaining oilhole.
3. hydraulic control as claimed in claim 2, it is characterised in that the fuel feed hole goes out with the first oil outlet or second
The flow area size of oilhole connection is determined by the anglec of rotation of the valve element.
4. hydraulic control as claimed in claim 1, it is characterised in that the width of the current limliting groove is more than the width of piston ring land
10-100mm。
5. hydraulic control as claimed in claim 4, it is characterised in that the width of the current limliting groove is more than the width of piston ring land
30-50mm。
6. hydraulic control as claimed in claim 5, it is characterised in that the width of the current limliting groove is more than the width of piston ring land
40mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585036.XU CN207138555U (en) | 2017-05-24 | 2017-05-24 | A kind of hydraulic control suitable for straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720585036.XU CN207138555U (en) | 2017-05-24 | 2017-05-24 | A kind of hydraulic control suitable for straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207138555U true CN207138555U (en) | 2018-03-27 |
Family
ID=61658392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720585036.XU Expired - Fee Related CN207138555U (en) | 2017-05-24 | 2017-05-24 | A kind of hydraulic control suitable for straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207138555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470399A (en) * | 2017-05-24 | 2017-12-15 | 佛山市森和业丰纸制品有限公司 | A kind of hydraulic control suitable for straightener |
-
2017
- 2017-05-24 CN CN201720585036.XU patent/CN207138555U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470399A (en) * | 2017-05-24 | 2017-12-15 | 佛山市森和业丰纸制品有限公司 | A kind of hydraulic control suitable for straightener |
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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: 20180327 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |