CN202862614U - Hydraulic machine capable of relieving pressure quick and saving energy - Google Patents

Hydraulic machine capable of relieving pressure quick and saving energy Download PDF

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Publication number
CN202862614U
CN202862614U CN 201220460659 CN201220460659U CN202862614U CN 202862614 U CN202862614 U CN 202862614U CN 201220460659 CN201220460659 CN 201220460659 CN 201220460659 U CN201220460659 U CN 201220460659U CN 202862614 U CN202862614 U CN 202862614U
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Prior art keywords
valve
cylinder
master cylinder
liquid
oil pipe
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CN 201220460659
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Chinese (zh)
Inventor
李凤岚
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Tianjin Tianduan Press Co Ltd
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Tianjin Tianduan Press Co Ltd
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Priority to CN 201220460659 priority Critical patent/CN202862614U/en
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Abstract

The utility model relates to a hydraulic machine capable of relieving pressure quick and saving energy. The hydraulic machine capable of relieving the pressure quick and saving the energy comprises a liquid-charging box, a slide block, a machine body frame, a liquid-charging valve A, a liquid-charging valve B, a master cylinder, a side cylinder A, a side cylinder B, an auxiliary pump group, a magnetic valve A and a magnetic valve B, wherein one end of the magnetic valve A is connected with a liquid-charging valve controlling oil tube through an oil tube, the other end of the magnetic valve A is communicated with one ends of an energy accumulator, a pressure relay and a one-way valve through an oil tube, the other end of the one-way valve is connected with one end of the magnetic valve B, and the other end of the magnetic valve B is connected with a safety valve and the auxiliary pump group through an oil tube. The hydraulic machine capable of relieving the pressure quick and saving the energy is simple in structure, practical and capable of storing oil liquid to transmit a signal at the pressure relay by means of stored energy characters of the energy accumulator. When the liquid-charging valve A, the liquid-charging valve B and a liquid-charging valve C need to be opened to relieve the pressure quickly, a large quantity of flow of control oil is provided instantly, and aims of lowering the installed power, saving the energy and relieving the pressure quickly are achieved.

Description

The quick pressure releasing energy-saving hydraulic press
Technical field
The utility model belongs to the hydraulic press technical field, particularly a kind of quick pressure releasing energy-saving hydraulic press.
Background technology
Hydraulic press is widely used in the automobile stamping process, at the stamping process of automobile stamping product, needs to reduce installed power by shortening the punching press time of each details, enhances productivity.
When the slide block down matched moulds pressurizes, prefill valve A, prefill valve B, prefill valve C need to be in closed condition, but before slide block transferred the backhaul action to, the fluid in side cylinder A, master cylinder, the side cylinder B need to be opened pressure release fast by prefill valve A, prefill valve B, prefill valve C, gets back to surge-tank.And original automobile stamping hydraulic press, the fluid that only utilizes the auxiliary pump group to provide carries out pressure release action, not only power consumption but also pressure release time long, can't finish the action of quick pressure releasing to change, cause inefficiency, the press big energy-consuming.
Summary of the invention
The purpose of this utility model is to provide a kind of high efficiency, press to consume energy less, can finish fast the quick pressure releasing energy-saving hydraulic press of hydraulic pressure for solving the technical problem that exists in the known technology.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of quick pressure releasing energy-saving hydraulic press includes topping up case, slide block, fuselage ring, prefill valve A, prefill valve prefill valve B, master cylinder, side cylinder A, side cylinder B, auxiliary pump group, magnetic valve A, magnetic valve B,
Described side cylinder A is connected with the topping up case by prefill valve A, and described master cylinder is connected with the topping up case by prefill valve B,
Described side cylinder B is connected with the topping up case by prefill valve C, and the both sides of described master cylinder are side cylinder A and side cylinder B, institute
Stating side cylinder A, master cylinder, side cylinder B is connected with slide block and fuselage ring respectively;
The master cylinder epicoele of described master cylinder is connected oil pipe and is connected with the master cylinder valve group with the master cylinder cavity of resorption, described master cylinder valve group is connected with pump discharge valve group by oil pipe, and described pump discharge valve group is connected with the main pump group by oil pipe;
Described magnetic valve A one end is connected with the prefill valve control oil pipe by oil pipe, the described magnetic valve A other end is communicated with by the end of oil pipe with accumulator, pressure switch, check valve, the other end of described check valve is connected with the end of magnetic valve B, and the other end of described magnetic valve B is connected with the auxiliary pump group with safety valve by oil pipe.
Advantage and the good effect that the utlity model has are: the utility model is simple in structure, practical, utilize the energy storage characteristic of accumulator self, store fluid to the pressure switch sender, when prefill valve A, prefill valve B, prefill valve C need to open pressure release fast, moment provides the control oil of very large flow, can reach to reduce fast purpose of the energy-conservation and pressure release of installed power.
Description of drawings
Fig. 1 is the utility model structural representation;
Among Fig. 1,1. topping up case, 2. side cylinder A, 3. prefill valve A, 4. master cylinder, 5. prefill valve, 6. side cylinder B, 7. prefill valve B, 8. prefill valve control oil pipe, 9. master cylinder epicoele, 10. master cylinder valve group, 11. master cylinder cavity of resorptions, 12. pump discharge valve group, 13. main pump groups, 14. fuselage rings, 15. magnetic valve A, 16. accumulator, 17. pressure switches, 18. check valves, 19. magnetic valve B, 20. safety valve, 21. auxiliary pump groups, 22. slide blocks.
The specific embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1, a kind of quick pressure releasing energy-saving hydraulic press includes topping up case 1, side cylinder A2, prefill valve A3, master cylinder 4, prefill valve 5, side cylinder B6, prefill valve B7, prefill valve control oil pipe 8, master cylinder epicoele 9, master cylinder valve group 10, master cylinder cavity of resorption 11, pump discharge valve group 12, main pump group 13, fuselage ring 14, magnetic valve A15, accumulator 16, pressure switch 17, check valve 18, magnetic valve B19, safety valve 20, auxiliary pump group 21, slide block 22.
Side cylinder A2 is connected with topping up case 1 by prefill valve A3, master cylinder 4 is connected with topping up case 1 by prefill valve B5, side cylinder B6 is connected with topping up case 1 by prefill valve C7, the both sides of master cylinder 4 are side cylinder A2 and side cylinder B6, and side cylinder A2, master cylinder 4, side cylinder B6 are connected with slide block 22 and fuselage ring 14 respectively.
The master cylinder epicoele 9 of master cylinder 4 is connected with the master cylinder cavity of resorption and is connected with master cylinder valve group 10 by oil pipe, and master cylinder valve group 10 is connected with pump discharge valve group 12 by oil pipe, and pump discharge valve group 12 is connected with main pump group 13 by oil pipe.
Prefill valve control oil pipe 8 is communicated with prefill valve A3, prefill valve 5, prefill valve B7, magnetic valve A15 one end is connected with prefill valve control oil pipe 8 by oil pipe, the magnetic valve A15 other end is communicated with by the end of oil pipe with accumulator 16, pressure switch 17, check valve 18, the other end of check valve 18 is connected with the end of magnetic valve B19, and the other end of magnetic valve B19 is connected with the auxiliary pump group with safety valve 20 by oil pipe and is connected.
The utility model utilizes the energy storage characteristic of accumulator 16 self, store fluid to pressure switch 17 senders, when prefill valve A3, prefill valve B5, prefill valve C7 need to open pressure release fast, moment provides the control oil of very large flow, can reach to reduce fast purpose of the energy-conservation and pressure release of installed power.
Above record, only for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do all belong to the claim that this creation is advocated, and are not limited to those disclosed embodiments.

Claims (1)

1. quick pressure releasing energy-saving hydraulic press, include topping up case (1), slide block (22), fuselage ring (14), prefill valve A(3), prefill valve (5), prefill valve B(6), master cylinder (4), side cylinder A(2), side cylinder B(6), auxiliary pump group (21), magnetic valve A(15), magnetic valve B(19)
Described side cylinder A(2) by prefill valve A(3) be connected with topping up case (1), described master cylinder (4) is by prefill valve B(5) be connected with topping up case (1), described side cylinder B(6) by prefill valve C(7) be connected with topping up case (1), the both sides of described master cylinder (4) are side cylinder A(2) and side cylinder B(6), described side cylinder A(2), master cylinder (4), side cylinder B(6) be connected with slide block (22) and fuselage ring (14) respectively;
The master cylinder epicoele (9) of described master cylinder (4) is connected 11 with the master cylinder cavity of resorption) be connected with master cylinder valve group (10) by oil pipe, described master cylinder valve group (10) is connected with pump discharge valve group (12) by oil pipe, and described pump discharge valve group (12) is connected with main pump group (13) by oil pipe;
Described magnetic valve A(15) end is connected with prefill valve control oil pipe (8) by oil pipe, it is characterized in that,
Described magnetic valve A(15) other end is communicated with by the end of oil pipe with accumulator (16), pressure switch (17), check valve (18), the other end of described check valve (18) and magnetic valve B(19) an end be connected described magnetic valve B(19) the other end be connected 21 with safety valve (20) with the auxiliary pump group by oil pipe) be connected.
CN 201220460659 2012-09-11 2012-09-11 Hydraulic machine capable of relieving pressure quick and saving energy Active CN202862614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220460659 CN202862614U (en) 2012-09-11 2012-09-11 Hydraulic machine capable of relieving pressure quick and saving energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220460659 CN202862614U (en) 2012-09-11 2012-09-11 Hydraulic machine capable of relieving pressure quick and saving energy

Publications (1)

Publication Number Publication Date
CN202862614U true CN202862614U (en) 2013-04-10

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CN (1) CN202862614U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953595A (en) * 2014-05-16 2014-07-30 西安麦特沃金液控技术有限公司 Method and system of modification for increasing working speed of hydraulic press
CN104626631A (en) * 2015-03-13 2015-05-20 康凤明 Power-assisted servo press
CN106903284A (en) * 2017-03-17 2017-06-30 重庆江东机械有限责任公司 Response charging device and its control method high of large-scale high speed hydraulic press
CN105317761B (en) * 2014-06-20 2017-09-12 天津市天锻压力机有限公司 A kind of flexible pressure relief system of ten thousand tons of press
WO2018090352A1 (en) * 2016-11-20 2018-05-24 陈良娟 Pressure relief device for hydraulic machine
CN108757594A (en) * 2018-07-17 2018-11-06 扬力集团股份有限公司 Oily electricity combination drive environment-friendly and energy-efficient servo hydraulic machine
CN109421312A (en) * 2017-08-24 2019-03-05 连杰油压工业股份有限公司 Energy-conserving hydraulic former

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103953595A (en) * 2014-05-16 2014-07-30 西安麦特沃金液控技术有限公司 Method and system of modification for increasing working speed of hydraulic press
CN105317761B (en) * 2014-06-20 2017-09-12 天津市天锻压力机有限公司 A kind of flexible pressure relief system of ten thousand tons of press
CN104626631A (en) * 2015-03-13 2015-05-20 康凤明 Power-assisted servo press
WO2018090352A1 (en) * 2016-11-20 2018-05-24 陈良娟 Pressure relief device for hydraulic machine
CN106903284A (en) * 2017-03-17 2017-06-30 重庆江东机械有限责任公司 Response charging device and its control method high of large-scale high speed hydraulic press
CN109421312A (en) * 2017-08-24 2019-03-05 连杰油压工业股份有限公司 Energy-conserving hydraulic former
CN108757594A (en) * 2018-07-17 2018-11-06 扬力集团股份有限公司 Oily electricity combination drive environment-friendly and energy-efficient servo hydraulic machine
CN108757594B (en) * 2018-07-17 2019-08-06 扬力集团股份有限公司 Oily electricity combination drive environment-friendly and energy-efficient servo hydraulic machine
WO2020015383A1 (en) * 2018-07-17 2020-01-23 扬力集团股份有限公司 Oil-electric hybrid driving environment-friendly energy-saving servo hydraulic press machine

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