CN201344162Y - Prefill valve of hydrostatic press system - Google Patents
Prefill valve of hydrostatic press system Download PDFInfo
- Publication number
- CN201344162Y CN201344162Y CNU2009200185125U CN200920018512U CN201344162Y CN 201344162 Y CN201344162 Y CN 201344162Y CN U2009200185125 U CNU2009200185125 U CN U2009200185125U CN 200920018512 U CN200920018512 U CN 200920018512U CN 201344162 Y CN201344162 Y CN 201344162Y
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Abstract
The utility model relates to a prefill valve of a hydrostatic press system, which is especially suitable for a rapid liquid charging and discharging valve device of various hydrostatic presses in metal forming machinery. The prefill valve is characterized in that the upper end of a piston rod is connected with a sealing ring, a piston and a nut, wherein the sealing ring is sleeved on the piston, the lower end of the piston rod is connected with a guide sleeve and a pressing head, one side of a cylinder is provided with two oil ports, the lower end of the cylinder is connected with the upper end of a connecting cylinder, the cylinder is connected on a valve body through a screw bolt and a nut, a valve core is arranged in an axial hole of the valve body, a stop block is arranged on the upper end of the iron core, a spring seat and a steel wire circlip are arranged on the top end of the valve core, a spring is arranged on the lower end of the spring seat, the spring sleeve is sleeved on the external sides of the valve core and the block body, the connecting cylinder is arranged on the external side of the spring, and a sealing ring and the oil inlet are arranged on the bottom end of the valve body. The prefill valve has the effects that the structure is simple, the volume is small, the operation is convenient, the operation is reliable, the working efficiency is high, the hydrostatic press rapidly charges and discharges liquid, and a rod piston is adopted in the cylinder, which reduces the vibration, and the prefill valve can be widely used in a device of various hydrostatic presses in the metal forming machinery.
Description
Technical field:
The utility model relates to a kind of hydraulic press system liquid-filling valve, is specially adapted to the quick topping up and the liquid discharging valve equipment of various hydraulic presses in the metal forming machinery.
Background technique:
At present, general large-sized hydraulic press main clutch release slave cylinder diameter bigger, master cylinder is when idle running motion fast, need quick topping up or discharge opeing, oil cylinder advances or the speed of backhaul to improve, when the quick idle stroke of the oil cylinder of oil hydraulic press descends, oil cylinder rodless cavity needs a large amount of topping ups, and the empty trend of inhaling is arranged; During the oil cylinder quick return, oil cylinder rodless cavity needs rapid discharge opeing, and the trend of discharge opeing difficulty is arranged.The liquid-filling valve of prior art is installed in above the oil cylinder, and the control of liquid-filling valve is opened liquid-filling valve by the piston control valve core, and this liquid-filling valve control piston damages easily and blocks, complex structure, and volume is also bigger simultaneously, and installation and maintenance is extremely inconvenient.
Summary of the invention:
The purpose of this utility model, provide a kind of hydraulic press system liquid-filling valve, it is to take oil cylinder to be arranged on the top of liquid-filling valve, piston and piston rod are set in the oil cylinder, reach and improve that oil cylinder advances or the speed of backhaul, when the quick idle stroke of the oil cylinder of oil hydraulic press descended, the oil cylinder inner piston rod is topping up in a large number, does not have the empty trend of inhaling is arranged; During the oil cylinder quick return, the discharge opeing rapidly of oil cylinder inner piston rod does not have the trend that the discharge opeing difficulty is arranged; Solution has the problem of inhaling empty phenomenon and discharge opeing difficulty phenomenon being arranged.
The utility model hydraulic press system liquid-filling valve takes following technological scheme to realize: it is to be made of valve body and spool and piston rod, the valve body upper end is provided with cylinder barrel and piston rod and piston and nut, the piston rod upper end connects seal ring and piston and nut, be nested with seal ring on the piston, piston-rod lower end connects guide sleeve and pressure head, one side of cylinder barrel is provided with two hydraulic fluid ports, the lower end is provided with locking nut and guide sleeve in the cylinder barrel, the lower end of cylinder barrel is connected with the connecting cylinder upper end, cylinder barrel is connected on the valve body by screw rod and nut, device spool in the axial bore of valve body, and block is installed in the spool upper end, the spool top is provided with spring seat and wire circlip, the spring seat lower end is provided with spring, and spring is nested with in the outside of spool and block, and connecting cylinder is nested with the outside at spring, the valve body lower end both sides set out hydraulic fluid port, and the valve body bottom is provided with seal ring and filler opening.
The effect of the utility model hydraulic press system liquid-filling valve is simple in structure, volume is little, easy to operate, reliable, high working efficiency, quick topping up of oil hydraulic press and discharge opeing, adopting in the oil cylinder has the bar piston, reduce vibration, be widely used in the quick topping up and the liquid discharging valve equipment of various hydraulic presses in the metal forming machinery.
Description of drawings:
The utility model hydraulic press system liquid-filling valve will describe in further detail in conjunction with the accompanying drawings.
Accompanying drawing is the structure sectional view of the utility model hydraulic press system liquid-filling valve.
1---filler opening 2---valve body 3---spool 4---oil outlet 5---spring 6---block 7---spring seat 8---pressure head 9---locking nut 10---guide sleeve 11---piston rod 12---cylinder barrel 13---piston 14---nut 15---hydraulic fluid port 16---seal ring 17---seal ring 18---hydraulic fluid port 19---nut 20---screw rod 21---connecting cylinder 22---wire circlip 23---seal ring
Embodiment:
With reference to accompanying drawing, the utility model hydraulic press system liquid-filling valve, it is to be made of with piston rod 11 valve body 2 and spool 3, valve body 2 upper ends are provided with cylinder barrel 12 and piston rod 11 and piston 13 and nut 14, piston rod 11 upper ends connect seal ring 17 and piston 13 and nut 14, be nested with seal ring 16 on the piston 13, piston rod 11 lower ends connect guide sleeve 10 and pressure head 8, one side of cylinder barrel 12 is provided with two hydraulic fluid ports 15 and hydraulic fluid port 18, the lower end is provided with locking nut 9 and guide sleeve 10 in the cylinder barrel 12, the lower end of cylinder barrel 12 is connected with connecting cylinder 21 upper ends, cylinder barrel 12 is connected on the valve body 2 by screw rod 20 and nut 19, device spool 3 in the axial bore of valve body 2, and block 6 is installed in spool 3 upper ends, spool 3 tops are provided with spring seat 7 and wire circlip 22, spring seat 7 lower ends are provided with spring 5, and spring 5 is nested with in the outside of spool 3 with block 6, and connecting cylinder 21 is nested with the outside at spring 5, both sides, valve body 2 lower end set out hydraulic fluid port 4, and valve body 2 bottoms are provided with seal ring 23 and filler opening 1.
The embodiment of the utility model hydraulic press system liquid-filling valve, it is by valve body 2, spool 3, connecting cylinder 21, pressure head 8, spring 5, spring seat 7, block 6, cylinder barrel 12, compositions such as piston 13 and piston rod 11, the side of valve body 2 is provided with filler opening 1 and oil outlet 4, device spool 3 in the axial bore of valve body 2, block 6 is installed in spool 3 upper ends, spool 3 tops are provided with spring seat 7 and wire circlip 22, spring seat 7 lower ends are provided with spring 5, spring 5 is nested with the outside at spool 3 and block 6, connecting cylinder 21 is nested with the outside at spring 5, connecting cylinder 21 upper ends are provided with cylinder barrel 12, cylinder barrel 12 is fixed on the valve body 2 by screw rod 20, cylinder barrel 12 1 sides are provided with hydraulic fluid port 15 and hydraulic fluid port 18, the lower end is provided with locking nut 9 and guide sleeve 10 in the cylinder barrel 12, in the middle of the guide sleeve 10 piston rod 11 is arranged, piston rod 11 lower ends are provided with pressure head 8, and piston rod 11 upper ends are provided with piston 13 and nut 19.
Claims (1)
1, a kind of hydraulic press system liquid-filling valve, it is to be made of with piston rod (11) valve body (2) and spool (3), it is characterized in that valve body (2) upper end is provided with cylinder barrel (12) and piston rod (11) and piston (13) and nut (14), piston rod (11) upper end connects seal ring (17) and piston (13) and nut (14), be nested with seal ring (16) on the piston (13), piston rod (11) lower end connects guide sleeve (10) and pressure head (8), one side of cylinder barrel (12) is provided with two hydraulic fluid ports (15) and hydraulic fluid port (18), the interior lower end of cylinder barrel (12) is provided with locking nut (9) and guide sleeve (10), the lower end of cylinder barrel (12) is connected with connecting cylinder (21) upper end, cylinder barrel (12) is connected on the valve body (2) by screw rod (20) and nut (19), device spool (3) in the axial bore of valve body (2), block (6) is installed in spool (3) upper end, spool (3) top is provided with spring seat (7) and wire circlip (22), spring seat (7) lower end is provided with spring (5), spring (5) is nested with in the outside of spool (3) with block (6), connecting cylinder (21) is nested with the outside in spring (5), valve body (2) both sides, lower end set out hydraulic fluid port (4), and valve body (2) bottom is provided with seal ring (23) and filler opening (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200185125U CN201344162Y (en) | 2009-01-19 | 2009-01-19 | Prefill valve of hydrostatic press system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200185125U CN201344162Y (en) | 2009-01-19 | 2009-01-19 | Prefill valve of hydrostatic press system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344162Y true CN201344162Y (en) | 2009-11-11 |
Family
ID=41275744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200185125U Expired - Fee Related CN201344162Y (en) | 2009-01-19 | 2009-01-19 | Prefill valve of hydrostatic press system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344162Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359624A (en) * | 2011-10-19 | 2012-02-22 | 南通华东油压科技有限公司 | Liquid charging valve mandril |
| CN102518623A (en) * | 2011-12-01 | 2012-06-27 | 南京埃尔法电液技术有限公司 | Plug-in mounting type charging valve |
| CN103195774A (en) * | 2013-04-07 | 2013-07-10 | 安徽科达机电有限公司 | Replenishing valve for hydraulic system of press |
| CN103671363A (en) * | 2012-08-31 | 2014-03-26 | 苏州立注机械有限公司 | Filling valve of vertical type injection molding machine |
| CN103963344A (en) * | 2014-05-16 | 2014-08-06 | 西安麦特沃金液控技术有限公司 | Method and device for enhancing discharge capacity of oil inlet channel of oil cylinder |
| CN108506264A (en) * | 2018-06-01 | 2018-09-07 | 福建海源自动化机械股份有限公司 | A kind of prefill valve |
-
2009
- 2009-01-19 CN CNU2009200185125U patent/CN201344162Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359624A (en) * | 2011-10-19 | 2012-02-22 | 南通华东油压科技有限公司 | Liquid charging valve mandril |
| CN102518623A (en) * | 2011-12-01 | 2012-06-27 | 南京埃尔法电液技术有限公司 | Plug-in mounting type charging valve |
| CN103671363A (en) * | 2012-08-31 | 2014-03-26 | 苏州立注机械有限公司 | Filling valve of vertical type injection molding machine |
| CN103195774A (en) * | 2013-04-07 | 2013-07-10 | 安徽科达机电有限公司 | Replenishing valve for hydraulic system of press |
| CN103963344A (en) * | 2014-05-16 | 2014-08-06 | 西安麦特沃金液控技术有限公司 | Method and device for enhancing discharge capacity of oil inlet channel of oil cylinder |
| CN103963344B (en) * | 2014-05-16 | 2016-05-18 | 西安麦特沃金液控技术有限公司 | A kind of method and device that strengthens oil cylinder oil inlet passage conveyance capacity |
| CN108506264A (en) * | 2018-06-01 | 2018-09-07 | 福建海源自动化机械股份有限公司 | A kind of prefill valve |
| CN108506264B (en) * | 2018-06-01 | 2023-11-24 | 江西海源复合材料科技股份有限公司 | Liquid filling valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG TAIFENG HYDRAULIC CO., LTD. Free format text: FORMER OWNER: SHANDONG TAIFENG HYDRAULIC EQUIPMENT CO., LTD. Effective date: 20110218 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110218 Address after: 272025, triumph Road, Jining hi tech Development Zone, Shandong, 66 Patentee after: Shandong Taifeng Hydraulic Co., Ltd. Address before: 272025, triumph Road, Jining hi tech Development Zone, Shandong, 66 Patentee before: Shandong Taifeng Hydraulic Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20170119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |