CN205618676U - Novel control formula hydraulic pressure recycle valve outward - Google Patents
Novel control formula hydraulic pressure recycle valve outward Download PDFInfo
- Publication number
- CN205618676U CN205618676U CN201620322447.5U CN201620322447U CN205618676U CN 205618676 U CN205618676 U CN 205618676U CN 201620322447 U CN201620322447 U CN 201620322447U CN 205618676 U CN205618676 U CN 205618676U
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Abstract
The utility model provides a novel control formula hydraulic pressure recycle valve outward, including hollow valve body, be equipped with the shaft type disk seat on the base of valve body, the rigid coupling has the shaft type sleeve on the disk seat, and the equipartition has a plurality of oilholes on the sleeve lateral wall, the rigid coupling has the side pipe on the valve body lateral wall, and the one end rigid coupling that the casing was kept away from to the side pipe has the flange, annular valve gap is installed to the valve body top surface, the vertical shaft type valve barrel that is equipped with in the valve gap hole, the valve barrel hole is three step holes, is equipped with the case of following " T " shape of reciprocating motion about self axis of inversion in the minimum hole of its diameter, and the piston is installed to the case upper end, forms each other not communicating cavity and cavity down gone up in the valve barrel, and the runner that is equipped with the overflow valve on the end cover and feeds through with these two cavitys respectively has pressure sensor on the valve gap. Sealing performance is good for this hydraulic pressure recycle valve, and no blind spot is opened to the case, can be used to large -traffic operating mode, oily hydraulic pressure force is stable for the control of outer accuse formula, and the response is sensitive, flow parameter continuously adjustable. Has advantage small, light in weight.
Description
Technical field
This utility model belongs to hydraulic component technical field, relates to a kind of circulating valve for style hydraulic forging press, is specifically related to a kind of Novel external-control type hydraulic circulation valve.
Background technology
Speed forging hydraulic press groups hydraulic system provides hydraulic control power source for main frame, by the control of hydraulic system realizes the motion of main frame.All device mainly includes main pump system, blood circulation, high pressure unloading system, control system, high-pressure system and aid system, wherein blood circulation is made up of main fuel tank, circulating cooling pump, plate type heat exchanger, heater, filter, pressure-loaded prefilling tank, circulating valve, fluid pressure line etc., effect provides sufficient, clean, the hydraulic oil of optimal oil temperature to main pump, circulating valve Main Function is the liquid level controlling pressure-loaded prefilling tank, the fluid making pressure-loaded prefilling tank and main fuel tank realizes circulation, it is ensured that pressure-loaded prefilling tank liquid level circulates between high workload liquid level and low work liquid level.
Currently used circulating valve allotter, is mainly made up of cover board type two-way cartridge inserted valve, solenoid directional control valve, overflow valve and choke valve.Overflow valve passes through setup pressure value, and pressure-loaded prefilling tank plays safeguard protection effect；Control cover plate is check valve assembly, controls cover plate built-in throttling plug screw, and to regulate fluid liquid resistent value, control mode is internal control type；Choke valve is used for regulating the cover board type two-way cartridge inserted valve opening time.This kind of structure is owing to being affected by the fluctuation of pressure-loaded prefilling tank oil liquid pressure and throttling plug screw pore size, and it is slow and close wild effect that circulating valve allotter exists the shut-in time, thus affects whole speed forging hydraulic press groups hydraulic system stability.
Summary of the invention
The purpose of this utility model is to provide a kind of Novel external-control type hydraulic circulation valve, closes fast and stable, it is possible to ensure that whole speed forging hydraulic press groups hydraulic system is stable.
For achieving the above object, this utility model be the technical scheme is that a kind of Novel external-control type hydraulic circulation valve, valve body including hollow, the base of valve body is provided with the valve seat of tubular, the sleeve of tubular it is connected with on valve seat, being provided with two outage groups on the sidewall of sleeve from top to bottom, this two outages group is formed by the multiple oilholes along sleeve radial equipartition；Being connected with side pipe on the sidewall of valve body, one end of side pipe is connected with flange；Being provided with the valve gap of annular on valve body end face, be vertically provided with the valve pocket of tubular in the endoporus of valve gap, valve pocket lower end is stretched in sleeve, and valve pocket upper end is stretched out outside valve gap；The endoporus of valve pocket is three stepped holes, in this three stepped hole, diameter minimum aperture is towards base, the endoporus that valve pocket diameter is minimum is provided with the inverted "T"-shaped spool that can move back and forth up and down along own axes, the upper end of spool sequentially passes through the endoporus of valve pocket diameter minimum and the endoporus that valve pocket diameter second is little, stretch in the endoporus that valve pocket diameter is maximum, spool upper end is provided with piston, the external diameter of piston is suitable with the diameter of valve pocket diameter maximum endoporus, valve pocket, piston and spool surround lower chamber, and sleeve side wall is provided with the 3rd runner connected with lower chamber；Valve pocket top is provided with end cap, and valve pocket, end cap and piston surround upper cavity, and upper cavity is not connected with lower chamber；End cap is provided with and the second runner of the 3rd flow passage, and end cap is provided with the first flow connected with upper cavity；Overflow valve is installed on end cap, valve gap is provided with pressure transducer.
This utility model hydraulic circulation valve T-shape spool, spool and valve seat are cone valve structure, good seal performance between spool and valve seat orifice, and spool is opened without dead band, can be used for big flow rate working conditions.And this hydraulic circulation valve uses external control type structure, because using electro-hydraulic proportional valve and air relief valve in control system, controlling oil liquid pressure stable, circulating valve responds sensitive, flow parameter continuously adjustabe.There is volume advantage little, lightweight.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model hydraulic circulation valve.
Fig. 2 is the normal axomometric drawing of this utility model hydraulic circulation valve.
Fig. 3 is the schematic diagram of valve body in this utility model hydraulic circulation valve.
The schematic diagram of valve pocket in Fig. 4 this utility model hydraulic circulation valve.
In figure: 1. valve body, 2. valve seat, 3. spool, 4. sleeve, 5. valve gap, 6. pressure transducer, 7. locking nut, 8. the first joint, 9. end cap, 10. first flow, 11. overflow valves, 12. second joints, 13. second runners, 14. upper cavities, 15. the 3rd runners, 16. nuts, 17. valve pockets, 18. lower chambers, 19. pistons, 20. side pipes, 21. flanges, 22. bases, 23. installing holes, 24. housings, 25. top boards, 26. core bodys, 27. first oilholes, 28. second oilholes.
Detailed description of the invention
With detailed description of the invention, this utility model is described in detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, this utility model hydraulic circulation valve, including structure valve body 1 as shown in Figure 3, valve body 1 includes the base 22 of annular, and the endoporus of base 22 is shoulder hole, and this shoulder hole is installing hole 23, the housing 24 of tubular vertically it is connected with on base 22, housing 24 upper end is connected with the top board 25 of annular, and housing 24 sidewall is connected with the side pipe 20 of axis and housing 24 axis perpendicular, and side pipe 20 is connected with flange 21 away from one end of housing 24；Installing hole 23 is relatively large in diameter to be held towards top board 25, and installing hole 23 is relatively large in diameter in hole the valve seat 2 being provided with tubular, and valve seat 2 diameter of bore is suitable with diameter smaller hole diameter in installing hole 23；Structure sleeve 4 as shown in Figure 4 vertically it is connected with on base 22, sleeve 4 includes the core body 26 of tubular, two oilhole groups it are provided with from top to bottom on core body 26 sidewall, oilhole group above is made up of multiple first oilholes 27, multiple first oilholes 27 are radially distributed in core body 26 sidewall, the oilhole group being positioned at lower section is made up of multiple second oilholes 28, and multiple second oilholes 28 are radially distributed in core body 26 sidewall；First oilhole 27 and the second oilhole about 28 are correspondingly arranged, the axis of the first oilhole 27 being correspondingly arranged and the axis of the second oilhole 28 are parallel, the axis of the first oilhole 27 and the axis of the second oilhole 28 are obliquely installed, angle between first oilhole 27 axis and the second oilhole 28 axis and horizontal plane is 45 ° ± 5 °, the height and position of the first oilhole 27 axis and core body 26 medial wall intersection point is less than the height and position of the first oilhole 27 axis with core body 26 lateral wall intersection point, the height and position of the second oilhole 28 axis and core body 26 medial wall intersection point is less than the height and position of the second oilhole 28 axis with core body 26 lateral wall intersection point；Core body 26 lower end is affixed with valve seat 2, sleeve 4 upper end is stretched in the endoporus of top board 25, the external diameter that sleeve 4 stretches into top board 25 bore section is suitable with top board 25 diameter of bore, and sleeve 4 stretches into the outer wall of top board 25 bore section and is provided with O RunddichtringO, the valve gap 5 of annular is installed on top board 25, vertically being provided with the valve pocket 17 of tubular in the endoporus of valve gap 5, valve pocket 17 lower end is stretched in sleeve 4, and valve pocket 17 upper end is stretched out outside valve gap 5；The endoporus of valve pocket 17 is three stepped holes, and in this three stepped hole, diameter minimum aperture is towards base 22, is provided with inverted "T"-shaped spool 3 in the endoporus that valve pocket 17 diameter is minimum, and spool 3 can move back and forth up and down along own axes；The upper end of spool 3 sequentially passes through the endoporus of valve pocket 17 diameter minimum and the endoporus that valve pocket 17 diameter second is little, stretch in the endoporus that valve pocket 17 diameter is maximum, the upper end of spool 3 is provided with piston 19, piston 19 is threadeded with spool 3, spool 3 top is provided with nut 16, nut 16 can prevent piston 19 from loosening, the external diameter of piston 19 is suitable with the diameter of valve pocket 17 diameter maximum endoporus, valve pocket 17, piston 19 and spool 3 surround lower chamber 18, and valve pocket 17 sidewall is provided with the 3rd runner 15 connected with lower chamber 18；Valve pocket 17 top is provided with end cap 9, and valve pocket 17, end cap 9 and piston 19 surround upper cavity 14, and upper cavity 14 is not connected with lower chamber 18；End cap 9 is provided with the second runner 13 connected with the 3rd runner 15, the runner mouth of the second runner 13 is provided with the second joint 12, the first flow 10 of " L " shape it is additionally provided with on end cap 9, one end of first flow 10 connects with upper cavity 14, the other end of first flow 10 is positioned on the sidewall of end cap 9, and this end is provided with the first joint 8.
Valve pocket 17 is connected with end cap 9 by locking nut 7, and end cap 9 is also equipped with pressure transducer 6 and overflow valve 11, and overflow valve 11 is connected with upper cavity 14 by passage.
This utility model hydraulic circulation valve all use O RunddichtringO to seal at static seal and reciprocating movement sealing in place of each parts and external contact.
High speed forging hydraulic press hydraulic system pressure fluid is followed by the first joint 8 and the second joint 12 to this utility model hydraulic circulation valve through air relief valve and reversal valve, reversal valve realizes commutation action, pressure oil liquid enters upper cavity 14 or lower chamber 18, piston 19 is promoted to move back and forth, because of piston 19 with spool 3 for threadeding, piston 19 promotes spool 3 to move, it is achieved the keying function of this hydraulic circulation valve.During particularly as follows: the first joint 8 is passed through control fluid, control fluid enters upper cavity 14 through the first joint 8 and acts on piston 19 upper surface, piston 19 is promoted to move down, realize spool 3 to be in sealing contact with valve seat 2, now in pressure-loaded prefilling tank, fluid enters valve body 1 inner chamber through the flange 21 of valve body 1, but fluid cannot be flowed out by valve body 1, and now this external control type hydraulic circulation valve is closed.Otherwise, when the second joint 12 is passed through control fluid, control fluid enters lower chamber 18 through the second joint 12 and acts on piston 19 lower surface, piston 19 is promoted to move up, realize spool 3 to separate with valve seat 2, now in pressure-loaded prefilling tank, fluid enters valve body 1 inner chamber through the flange 21 of valve body 1, is flowed out by valve seat 2 and base 22, and now this utility model external control type hydraulic circulation valve is in opening.
The oilhole that the uniform two row's axis of sleeve 4 circumference tilt, it is ensured that in pressure-loaded prefilling tank, fluid is when sleeve 4 flows out, and the impulsive force circumference of sleeve 4 is offseted by fluid, it is ensured that sleeve 4 does not occur to rock back and forth；Angle between oilhole axis and horizontal plane is 45 ° ± 5 °, it is ensured that in pressure-loaded prefilling tank, fluid flows out gently through sleeve 4, because fluid direction will not occur drastically to change, thus avoids hydraulic shock and vibration generation.
Equipped with pressure transducer 6 on valve gap 5, sensor signal is connected to speed forging hydraulic press groups control panel, can monitor oil liquid pressure value in pressure-loaded prefilling tank in real time；When this hydraulic circulation valve operational failure, pressure transducer 6 sender, speed forging hydraulic press groups quits work；Overflow valve 11 is used for keeping pressure in upper cavity 14 constant, and flow unnecessary in upper cavity 14 is carried out overflow.
The external control fluid of this utility model hydraulic circulation valve is from speed forging hydraulic press groups control system, because using electro-hydraulic proportional valve and air relief valve in this control system, control oil liquid pressure stable, effectively prevent control oil liquid pressure fluctuation and the throttling plug screw pore size factor impact on circulating valve allotter start-stop performance.
Show that through the most actually used this utility model hydraulic circulation valve reliable operation can be widely used.
Claims (3)
1. a Novel external-control type hydraulic circulation valve, it is characterized in that, valve body (1) including hollow, the base (22) of valve body (1) is provided with the valve seat (2) of tubular, the sleeve (4) of tubular it is connected with on valve seat (2), being provided with two outage groups on the sidewall of sleeve (4) from top to bottom, this two outages group is formed by the multiple oilholes along sleeve (4) radial equipartition；Being connected with side pipe (20) on the sidewall of valve body (1), one end of side pipe (20) is connected with flange (21)；Being provided with the valve gap (5) of annular on valve body (1) end face, be vertically provided with the valve pocket (17) of tubular in the endoporus of valve gap (5), valve pocket (17) lower end is stretched in sleeve (4), and valve gap (5) is stretched out outward in valve pocket (17) upper end；The endoporus of valve pocket (17) is three stepped holes, in this three stepped hole, diameter minimum aperture is towards base (22), the endoporus that valve pocket (17) diameter is minimum is provided with the inverted "T"-shaped spool (3) that can move back and forth up and down along own axes, the upper end of spool (3) sequentially passes through the endoporus of valve pocket (17) diameter minimum and the endoporus that valve pocket (17) diameter second is little, stretch in the endoporus that valve pocket (17) diameter is maximum, spool (3) upper end is provided with piston (19), the external diameter of piston (19) is suitable with the diameter of valve pocket (17) diameter maximum endoporus, valve pocket (17), piston (19) and spool (3) surround lower chamber (18), valve pocket (17) sidewall is provided with the 3rd runner (15) connected with lower chamber (18)；Valve pocket (17) top is provided with end cap (9), and valve pocket (17), end cap (9) and piston (19) surround upper cavity (14), and upper cavity (14) is not connected with lower chamber (18)；End cap (9) is provided with the second runner (13) connected with the 3rd runner (15), and end cap (9) is provided with the first flow (10) connected with upper cavity (14)；Overflow valve (11) is installed on end cap (9), valve gap (5) is provided with pressure transducer (6).
Novel external-control type hydraulic circulation valve the most according to claim 1, it is characterized in that, described sleeve (4) includes the core body (26) of tubular, two oilhole groups it are provided with from top to bottom on core body (26) sidewall, oilhole group above is made up of multiple first oilholes (27), multiple first oilholes (27) are radially distributed in core body (26) sidewall, and the oilhole group being positioned at lower section is made up of multiple second oilholes (28), and multiple second oilholes (28) are radially distributed in core body (26) sidewall；First oilhole (27) and the second oilhole (28) are correspondingly arranged up and down, the axis of the first oilhole (27) being correspondingly arranged and the axis of the second oilhole (28) are parallel, the axis of the first oilhole (27) and the axis of the second oilhole (28) are obliquely installed, first oilhole (27) axis and the second oilhole (28) angle between axis and horizontal plane are 45 ° ± 5 °, the height and position of the first oilhole (27) axis and core body (26) medial wall intersection point is less than the height and position of the first oilhole (27) axis with core body (26) lateral wall intersection point, the height and position of the second oilhole (28) axis and core body (26) medial wall intersection point is less than the height and position of the second oilhole (28) axis with core body (26) lateral wall intersection point；Sleeve (4) lower end is affixed with valve seat (2), and sleeve (4) upper end is connected with valve body (1).
Novel external-control type hydraulic circulation valve the most according to claim 1 and 2, it is characterized in that, described valve body (1) includes the base (22) of annular, the endoporus of base (22) is shoulder hole, this shoulder hole is installing hole (23), the housing (24) of tubular vertically it is connected with on base (22), housing (24) upper end is connected with the top board (25) of annular, the side pipe (20) of axis and housing (24) axis perpendicular it is connected with on housing (24) sidewall, installing hole (23) is relatively large in diameter to be held towards top board (25), installing hole (23) is relatively large in diameter in hole the valve seat (2) being provided with tubular, valve seat (2) diameter of bore is suitable with diameter smaller hole diameter in installing hole (23)；Vertically being connected with sleeve (4) on base (22), core body (26) lower end is affixed with valve seat (2), and sleeve (4) upper end is stretched in the endoporus of top board (25), and top board (25) is provided with the valve gap (5) of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322447.5U CN205618676U (en) | 2016-04-18 | 2016-04-18 | Novel control formula hydraulic pressure recycle valve outward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620322447.5U CN205618676U (en) | 2016-04-18 | 2016-04-18 | Novel control formula hydraulic pressure recycle valve outward |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618676U true CN205618676U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620322447.5U Expired - Fee Related CN205618676U (en) | 2016-04-18 | 2016-04-18 | Novel control formula hydraulic pressure recycle valve outward |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618676U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736711A (en) * | 2016-04-18 | 2016-07-06 | 兰州兰石集团有限公司 | Novel external control type hydraulic circulating valve |
| CN108061646A (en) * | 2017-11-30 | 2018-05-22 | 宁波鑫神泽汽车零部件有限公司 | Auto parts and components processing unit (plant) |
| CN108488396A (en) * | 2018-05-30 | 2018-09-04 | 艾坦姆流体控制技术（北京）有限公司 | A kind of High Pressure Difference antiscour adjusting angle valve |
-
2016
- 2016-04-18 CN CN201620322447.5U patent/CN205618676U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736711A (en) * | 2016-04-18 | 2016-07-06 | 兰州兰石集团有限公司 | Novel external control type hydraulic circulating valve |
| CN105736711B (en) * | 2016-04-18 | 2018-08-31 | 兰州兰石集团有限公司 | A kind of Novel external-control type hydraulic circulation valve |
| CN108061646A (en) * | 2017-11-30 | 2018-05-22 | 宁波鑫神泽汽车零部件有限公司 | Auto parts and components processing unit (plant) |
| CN108488396A (en) * | 2018-05-30 | 2018-09-04 | 艾坦姆流体控制技术（北京）有限公司 | A kind of High Pressure Difference antiscour adjusting angle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20200418 |