CN104875420B - Downward-jacking hydraulic press system device for explosive press - Google Patents
Downward-jacking hydraulic press system device for explosive press Download PDFInfo
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- CN104875420B CN104875420B CN201510326130.9A CN201510326130A CN104875420B CN 104875420 B CN104875420 B CN 104875420B CN 201510326130 A CN201510326130 A CN 201510326130A CN 104875420 B CN104875420 B CN 104875420B
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Abstract
The invention relates to the field of hydraulic press systems for explosive press, particularly to a downward-jacking hydraulic press system device for explosive press. The device comprises a fuel tank, a variable-frequency motor, a low-pressure vane fuel pump, a high-pressure proportional plunger fuel pump, high-pressure manual ball valves, a pressure sensor, a displacement sensor, a composite cylinder, an adjustable balancing valve, a special pressure relief valve and an uplink back-pressure valve. The device has the advantages that the design is ingenious, the structure is simple and compact, a fuel path is safe and controllable, the velocity and the pressure are full technically controllable, program preset and automatic adjustment can be performed according to technical requirements, energy saving and consumption reduction are realized, and some technical requirements for high efficiency, safety, automatic multi-stage velocity adjustment, pressure stability, energy saving and the like of various explosive press techniques can be realized.
Description
Technical field
The present invention relates to pressing hydraulic machine system regions, be specifically related under one push up pressing hydraulic machine system and device.
Background technology
The hydraulic circuit of traditional pressing hydraulic machine is designed as pressure type, typically uses Non-follow control, to speed and
The regulations of pressure etc. the most manually regulate, and require higher to operator and safety is low, poor stability, and efficiency is low.
When having a power failure without hand-reset.
Summary of the invention
In order to solve foregoing invention problem, the present invention proposes top pressing hydraulic machine system and device under one, design
Ingenious, simple and compact for structure, it is a kind of pressing hydraulic machine hydraulic control circuit, the height of each pressing powder technology can be realized
Effect, safety, multistage speed adjust automatically and pressure is steady, energy-conservation etc. requires some technology.And have a power failure and special
In the case of be manually operable reset, take out powder column, it is to avoid and minimizing accident.
In order to reach foregoing invention purpose, the utility model proposes techniques below scheme:
A kind of lower top pressing hydraulic machine system and device, it includes fuel tank, frequency conversion motor, low pressure blade oil pump, height
Pressure ratio example plunger-type fuel pump, high pressure hand-operated ball valve, pressure transducer, displacement transducer, composite oil cylinder, levelling
Weighing apparatus valve, special relief valve and up counterbalance valve, low pressure blade oil pump entrance point connects fuel tank, high pressure by pipeline
Ratio plunger-type fuel pump entrance point connects fuel tank by pipeline, and frequency conversion motor two ends control to connect low pressure blade oil respectively
Pump and high-voltage ratio plunger-type fuel pump, side, composite oil cylinder lower end is equipped with master cylinder in-line, in the middle of composite oil cylinder
Lower end connects quick oil feeding pipeline, and side, composite oil cylinder upper end connects master cylinder and returns oil pipe line, low pressure blade oil
Pump is connected on main pipe rail with high-voltage ratio Plunger oil delivery side of pump, master cylinder in-line, quick oil feeding pipeline and
Master cylinder is return oil pipe line and is connected on main pipe rail by respective control valve, and main pipe rail side is designed with assist control
Pipeline, master cylinder return be connected with assist control pipeline and between equipped with up counterbalance valve, quick oil feeding pipeline with
Assist control pipeline connect and between equipped with adjustable balance valve, on master cylinder in-line equipped with special relief valve,
High pressure hand-operated ball valve and pressure transducer and special relief valve and high pressure hand-operated ball valve connect respectively towards fuel tank, soon
Speed in-line also connects special relief valve and special relief valve connects towards fuel tank, and assist control pipeline connects logical
Toward fuel tank, low pressure blade oil pump entrance point pipeline and high-voltage ratio plunger-type fuel pump entrance point pipeline are gone up respectively equipped with being
System unloader and being connected on assist control pipeline, equipped with high pressure hand-operated ball valve and high pressure hands on quick oil feeding pipeline
Dynamic ball valve leads to fuel tank, and composite oil cylinder is equipped with displacement transducer.
Connect equipped with one-way hydraulic control valve and hydraulic control valve opposite side on in-line before described master cylinder
Main pipe rail.
Equipped with one-way hydraulic control valve and bidirectional hydraulic control valve, one-way hydraulic control on described quick oil feeding pipeline
Valve side processed connects main pipe rail opposite side and connects bidirectional hydraulic control valve, and the opposite side of bidirectional hydraulic control valve connects
Side, composite oil cylinder lower end.
Described master cylinder is return on oil pipe line equipped with one-way hydraulic control valve and one-way hydraulic control valve opposite side
Connect main pipe rail.
Described composite oil cylinder includes cylinder body, plunger, piston, Quick cylinder and master cylinder, in the middle of cylinder body equipped with
Piston, has cylindrical groove in the middle of piston, cylindrical groove, built with plunger, has oil duct, plunger in the middle of plunger
Upper end forms Quick cylinder with cylindrical groove, forms master cylinder between piston and cylinder body.
Described special relief valve includes check valve, choke valve and Solenoid ball valve, and check valve lower end connects choke valve,
Choke valve lower end connects Solenoid ball valve, and Solenoid ball valve connects and leads to fuel tank.
Equipped with high pressure hand-operated ball valve on described master cylinder in-line and fast cylinder in-line, high pressure hand-operated ball
Valve other end connected tank, master cylinder is return and is connected auxiliary equipped with unidirectional oil sucting valve and the unidirectional oil sucting valve other end on oil pipe
Help control piper, in order to when power failure or special event, the high pressure hand-operated ball valve of manual unlocking, master cylinder and rapid oil
Cylinder release oil pressure, assist control pipeline and master cylinder return oil pipe line the oil in fuel tank by unidirectional self-priming simultaneously
Valve sucks, and makes press slide from going downwards to the end, takes out powder column.
Described low pressure blade oil pump entrance point pipeline and the upper difference of high-voltage ratio plunger-type fuel pump entrance point pipeline
Equipped with check valve.Equipped with check valve on described master cylinder in-line.
It is an advantage of the invention that design is ingenious, simple and compact for structure, safely controllable oil circuit, the full technique of velocity pressure
Controlled, adjust according to the preset Automatic Program of technological requirement, energy-saving and cost-reducing, can realize each pressing powder technology efficient,
Safety, multistage speed adjust automatically and pressure is steady, energy-conservation etc. requires some technology.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the schematic diagram of composite oil cylinder of the present invention.
Detailed description of the invention
In order to the present invention is further described, introduce below in conjunction with Figure of description:
Referring to the drawings, a kind of lower top pressing hydraulic machine system and device, it includes fuel tank 1, frequency conversion motor 2, low
Pressure vane oil pump 3, high-voltage ratio plunger-type fuel pump 4, high pressure hand-operated ball valve 5, pressure transducer 6, displacement sensing
Device 7, composite oil cylinder 8, adjustable balance valve 9, special relief valve 10 and up counterbalance valve 11, low pressure blade oil
Pump 3 entrance point connects fuel tank 1 by pipeline, and high-voltage ratio plunger-type fuel pump 4 entrance point connects fuel tank by pipeline
1, frequency conversion motor 2 two ends control to connect low pressure blade oil pump 3 and high-voltage ratio plunger-type fuel pump 4 respectively, compound
Side, oil cylinder 8 lower end connects quick oil feeding pipe equipped with master cylinder in-line 12, the middle lower end of composite oil cylinder 8
Road 13, side, composite oil cylinder 8 upper end connects master cylinder and returns oil pipe line 14, low pressure blade oil pump 3 and high pressure
The outlet of ratio plunger-type fuel pump 4 connects on main pipe rail 15, master cylinder in-line 12, quick oil feeding pipeline 13
Being connected to together with return line 14 on main pipe rail 15, main pipe rail 15 side is designed with assist control pipeline 16,
Master cylinder return oil pipe line 14 be connected with assist control pipeline 16 and between equipped with up counterbalance valve 11, quickly
In-line 13 with auxiliary liquefaction pipeline 16 be connected and between equipped with adjustable balance valve 9, master cylinder oil inlet pipe
Equipped with special relief valve 10, high pressure hand-operated ball valve 5 and pressure transducer 6 and special relief valve 10 on road 12
Lead to fuel tank 1 respectively with high pressure hand-operated ball valve 5, quick oil feeding pipeline 13 also connects special relief valve 10 and specially
Connecting with relief valve 10 and lead to fuel tank 1, assist control oil pipe line 16 connects and leads to fuel tank 1, low pressure blade oil
Pump 3 entrance point pipeline and high-voltage ratio plunger-type fuel pump 4 entrance point pipeline go up respectively equipped with automatic relieving valve 17 and
It is connected on assist control oil pipe line 16, equipped with high pressure hand-operated ball valve 5 and high pressure hands on quick oil feeding pipeline 13
Dynamic ball valve 5 leads to fuel tank 1, and side, composite oil cylinder 8 upper end is equipped with displacement transducer 7.Accompanying drawing of the present invention is letter
Changing schematic diagram, in figure, hydraulic press omits and does not has picture, and all above device is all at the special pressing hydraulic machine of lower top type
Install in frame foundation.
Equipped with one-way hydraulic control valve 18 and one-way hydraulic control valve 18 on described master cylinder in-line 12
Opposite side connects main pipe rail 15.
Equipped with one-way hydraulic control valve 18 and bidirectional hydraulic control valve 19 on described quick oil feeding pipeline 13, single
Connect main pipe rail 15 opposite side to hydraulic control valve 18 side and connect bidirectional hydraulic control valve 19, bidirectional hydraulic
The opposite side of control valve 19 connects side, composite oil cylinder 8 lower end.
Described master cylinder is return on oil pipe line 14 equipped with one-way hydraulic control valve 18 and one-way hydraulic control valve
18 opposite sides connect main pipe rail 15.
Described composite oil cylinder 8 includes cylinder body 81, plunger 82, piston 83, Quick cylinder and master cylinder, cylinder
Equipped with piston 83 in the middle of body 81, in the middle of piston 83, has cylindrical groove, cylindrical groove built with plunger 82,
Having oil duct in the middle of plunger 82, plunger 82 upper end and cylindrical groove form Quick cylinder, piston 83 lower end with
Master cylinder is formed between cylinder body 81.
Described special relief valve 10 includes check valve, choke valve and Solenoid ball valve, check valve lower end connecting joint
Stream valve, choke valve lower end connects Solenoid ball valve, and Solenoid ball valve connects and leads to fuel tank.
This hydraulic system is set to lower top type, directly falls on gunpowder in case former upper pressure type slide block is malfunctioning.Hydraulic pressure electricity
Machine uses frequency conversion motor scalable motor speed, and oil pump uses low pressure dosing pump and electric-hydraulic proportion high-pressure plunger pump,
Can the most stably adjust pumpage, thus control speed and energy-conservation well, pressing pressure upstream uses compound
Oil cylinder realizes, Quick cylinder and master cylinder, Quick cylinder during fast uplink, and during compacting, master cylinder is with quick
Oil cylinder is suppressed simultaneously, improves efficiency and Quick cylinder and master cylinder can control respectively, when the little pressure of needs,
Use Quick cylinder to be compressed individually and coordinate pressure and displacement transducer to be controlled again, when the different stick of pressure or
Same stick different process section, pressure is well controlled and regulates, will not be because pressure changes the most greatly
Produce danger.Slide block, when idle stroke is run up and down, uses special adjustable balance valve and up counterbalance valve, uses
Oil pump capacity is controlled speed, it is to avoid original by weight Automatic-descending, the most out of control.Native system pressure release loop
In special relief valve mechanism use Solenoid ball valve add choke valve and check valve, the requirement of pressurize can be met, again
Master cylinder and Quick cylinder pressure release simultaneously can be made, and pressure release speed lets out pressure adjustable, makes pressure release the most reliably control.
When having a power failure suddenly, it is contemplated that high pressure manual manual ball valve manual operation press return, powder column one when prevention has a power failure
Vertical compression and is caused danger.
Claims (9)
1. pushing up a pressing hydraulic machine system and device under, it includes fuel tank, frequency conversion motor, low pressure blade oil pump, height
Pressure ratio example plunger-type fuel pump, high pressure hand-operated ball valve, pressure transducer, displacement transducer, composite oil cylinder, can
Balancing valve, special relief valve and up counterbalance valve, is characterized in that low pressure blade oil pump entrance point is by pipe
Road connects fuel tank, and high-voltage ratio plunger-type fuel pump entrance point connects fuel tank by pipeline, and frequency conversion motor two ends are divided
Kong Zhi not connect low pressure blade oil pump and high-voltage ratio plunger-type fuel pump, side, composite oil cylinder lower end is equipped with main oil
Cylinder in-line, connects quick oil feeding pipeline in the middle of composite oil cylinder lower end, side, composite oil cylinder upper end connects
Master cylinder returns oil pipe line, and low pressure blade oil pump is connected on main pipe rail with high-voltage ratio Plunger oil delivery side of pump,
Master cylinder in-line, quick oil feeding pipeline and master cylinder are return oil pipe line and are connected to by respective control valve
On main pipe rail, main pipe rail side is designed with assist control pipeline, and master cylinder returns oil pipe line and assist control
Pipeline connect and between equipped with up counterbalance valve, quick oil feeding pipeline be connected with assist control pipeline and between
Equipped with adjustable balance valve, equipped with special relief valve, high pressure hand-operated ball valve and pressure on master cylinder in-line
Sensor and special relief valve and high pressure hand-operated ball valve connect towards fuel tank respectively, and quick oil feeding pipeline also connects
Connecing special relief valve and special relief valve connects towards fuel tank, assist control pipeline connects and leads to fuel tank, low
Pressure vane oil pump entrance point pipeline and high-voltage ratio plunger-type fuel pump entrance point pipeline are gone up respectively equipped with system unloaded
Valve and being connected on assist control pipeline, equipped with high pressure hand-operated ball valve and high pressure hand-operated on quick oil feeding pipeline
Ball valve leads to fuel tank, and composite oil cylinder is equipped with displacement transducer.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described main oil
Cylinder in-line connects main pipe rail equipped with one-way hydraulic control valve and one-way hydraulic control valve opposite side.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described quick
Equipped with one-way hydraulic control valve and bidirectional hydraulic control valve on in-line, one-way hydraulic control valve side is even
Connecing main pipe rail opposite side and connect bidirectional hydraulic control valve, the opposite side of bidirectional hydraulic control valve connects compound oil
Cylinder lower end.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described main oil
Cylinder is return and is connected main pipe rail equipped with one-way hydraulic control valve and one-way hydraulic control valve opposite side on oil pipe line.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described being combined
Oil cylinder includes cylinder body, plunger, piston, Quick cylinder and master cylinder, equipped with piston in the middle of cylinder body, and piston
Centre has cylindrical groove, and cylindrical groove, built with plunger, has an oil duct in the middle of plunger, its upper end with
Cylindrical groove forms Quick cylinder, forms master cylinder between piston and cylinder body.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described special
Relief valve includes check valve, choke valve and Solenoid ball valve, and check valve lower end connects choke valve, under choke valve
End connects Solenoid ball valve, and Solenoid ball valve connects and leads to fuel tank.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described main oil
Equipped with high pressure hand-operated ball valve on cylinder in-line and fast cylinder in-line, another termination of high pressure hand-operated ball valve
Fuel tank, master cylinder is return and is connected assist control equipped with unidirectional oil sucting valve and the unidirectional oil sucting valve other end on oil pipe
Pipeline.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described low pressure
It is respectively provided with check valve on vane oil pump entrance point pipeline and high-voltage ratio plunger-type fuel pump entrance point pipeline.
Push up pressing hydraulic machine system and device under one the most according to claim 1, it is characterized in that described main oil
Equipped with check valve on cylinder in-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510326130.9A CN104875420B (en) | 2015-06-15 | 2015-06-15 | Downward-jacking hydraulic press system device for explosive press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510326130.9A CN104875420B (en) | 2015-06-15 | 2015-06-15 | Downward-jacking hydraulic press system device for explosive press |
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| Publication Number | Publication Date |
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| CN104875420A CN104875420A (en) | 2015-09-02 |
| CN104875420B true CN104875420B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510326130.9A Active CN104875420B (en) | 2015-06-15 | 2015-06-15 | Downward-jacking hydraulic press system device for explosive press |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106122138B (en) * | 2016-08-04 | 2019-08-27 | 宁波普瑞达液压科技有限公司 | It is a kind of for controlling the hydraulic circuit of the High-Speed Automatic variable of two-chamber oil cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547482A1 (en) * | 1994-12-20 | 1996-06-27 | Nisshin Spinning | Method for controlling the drive of a ram of a hydraulic cylinder in a hydraulic press |
| CN101712207A (en) * | 2009-09-08 | 2010-05-26 | 广东工业大学 | High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| RU2536563C2 (en) * | 2012-11-16 | 2014-12-27 | Эдуард Николаевич Кузин | High-pressure hydraulic press |
| CN104284772A (en) * | 2012-05-10 | 2015-01-14 | 迪芬巴赫机械工程有限公司 | Method for operating a hydraulic press, and hydraulic press |
| CN104309161A (en) * | 2014-08-29 | 2015-01-28 | 合肥海德数控液压设备有限公司 | Multi-cylinder piecewise pressure regulation system for hydraulic press |
| CN204773756U (en) * | 2015-06-15 | 2015-11-18 | 南通市腾达锻压机床厂 | Lower roof pressure liquid medicine press system device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08112700A (en) * | 1994-10-13 | 1996-05-07 | Aida Eng Ltd | Device for controlling pressurizing force of hydraulic press |
| JP2006205235A (en) * | 2005-01-31 | 2006-08-10 | Matsushita Electric Ind Co Ltd | Pressing device |
-
2015
- 2015-06-15 CN CN201510326130.9A patent/CN104875420B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547482A1 (en) * | 1994-12-20 | 1996-06-27 | Nisshin Spinning | Method for controlling the drive of a ram of a hydraulic cylinder in a hydraulic press |
| CN101712207A (en) * | 2009-09-08 | 2010-05-26 | 广东工业大学 | High performance and energy-saving double-acting hydrostatic press driven by servo motor |
| CN104284772A (en) * | 2012-05-10 | 2015-01-14 | 迪芬巴赫机械工程有限公司 | Method for operating a hydraulic press, and hydraulic press |
| RU2536563C2 (en) * | 2012-11-16 | 2014-12-27 | Эдуард Николаевич Кузин | High-pressure hydraulic press |
| CN104309161A (en) * | 2014-08-29 | 2015-01-28 | 合肥海德数控液压设备有限公司 | Multi-cylinder piecewise pressure regulation system for hydraulic press |
| CN204773756U (en) * | 2015-06-15 | 2015-11-18 | 南通市腾达锻压机床厂 | Lower roof pressure liquid medicine press system device |
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| CN104875420A (en) | 2015-09-02 |
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