CN2466407Y - Hydraulic controlling mechanism for compound ejection device of full-automatic hydraulic brick press - Google Patents
Hydraulic controlling mechanism for compound ejection device of full-automatic hydraulic brick press Download PDFInfo
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- CN2466407Y CN2466407Y CN 01215506 CN01215506U CN2466407Y CN 2466407 Y CN2466407 Y CN 2466407Y CN 01215506 CN01215506 CN 01215506 CN 01215506 U CN01215506 U CN 01215506U CN 2466407 Y CN2466407 Y CN 2466407Y
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Abstract
The utility model relates to a hydraulic control mechanism for a compound ejecting device of a brick press, which comprises an ejecting cylinder, pier stock cylinders, a locking device, an accumulator of a hydraulic control element, an electric-hydraulic reversing valve and an outlet throttle valve communicated with the ejecting cylinder and an electromagnetic valve and a one-way throttle valve communicated with the pier stock cylinders. The pier stock cylinders comprise a primary pier stock cylinder, a secondary pier stud oil cylinder, a mould assembling and disassembling cylinder and a mould rubbing cylinder, and the locking device is composed of a pressurizing cylinder assembly. The utility model is suitable for a large-tonnage press machine with the ejecting device arranged at the upper part, which can cause the mould changing and the maintenance of the press machine to be free of the operation in a pit; the press machine can have the function of descending the mould for three times, can realize secondary stock distribution, and meets the requirement of pressing adobes of different varieties.
Description
The utility model relates to a kind of hydraulic press, is meant a kind of hydraulic control of automatic hydraulic press composite liftout attachment especially.
The liftout attachment of existing commercially available hydraulic press mostly is traditional, and traditional liftout attachment generally is made up of fixed beam, walking beam, liftout tank, main piston and top cover, check lock lever, locking cylinder etc.During work, locking cylinder is locked the mould push plate by top cover and check lock lever, and like this, lower mold core moves up and down with the top cover.And top cover connects together with walking beam, and main piston and fixed beam connect together and fix, and liftout tank moves up and down, move lower mold core by topmast band and move up and down, on the adobe that is about to press when moving eject; During the whereabouts, fall to earlier (material bumping jar oil-feed) on the material bumping jar cylinder body that has stretched out, form die cavity, be used for holding powder, promptly be called once decline.Then, the material bumping jar oil extraction, moving beam secondary descends, and is the pier material, will expect that the powder pier is real, in order to compacting.
Liftout attachment is to finish above-mentioned work under the control of hydraulic mechanism.The tradition liftout attachment hydraulic mechanism by accumulator, two-position four-way electro-hydraulic reversing valve, speed control muffler, two-position four-way solenoid valve, one-way throttle valve, hydraulic lock, compositions such as two-position four-way solenoid valve.Two-position four-way electro-hydraulic reversing valve wherein is used for controlling ejecting and falling of liftout tank; Ejecting and falling speed of outlet throttling valve regulation liftout tank; Two-position four-way solenoid valve and one-way throttle valve are used for controlling material bumping jar, make mould finish the secondary down maneuver of pier material, and pier material speed is by throttle valve adjustment.Two-position four-way solenoid valve and hydraulic lock are used for controlling locking cylinder, and hydraulic lock is used for preventing leaking, and makes locking cylinder can lock the mould push plate reliably.Press the brickwork skill though this hydraulic pressure installation can be finished effectively, can only realize that cloth and pier material secondary descend, so the product cost height, pattern is few; Add the restriction that is subjected to complete machine structure, liftout mechanism and relevant hydraulic pressure installation can only be installed in the hydraulic press base, and the installation of mould is changed, and maintenance, detection etc. all must be implemented in melt pit, and working strength is big, the adjustment inconvenience, and control is also comparatively complicated.
It is easy that the purpose of this utility model provides a kind of mounting or dismounting Mould operation, and adjustment is convenient, can realize the liftout mechanism hydraulic pressure installation that mould descends for three times in the cloth process.
Designed the hydraulic control device of the compound liftout mechanism of a kind of automatic hydraulic press according to above-mentioned purpose, be made up of Hydraulic Conirol Unit and cylinder component, cylinder component comprises and ejects oil cylinder, pier material oil cylinder; The hydraulic control valve assembly comprises that an end is communicated with pumping plant, the other end be communicated with the hydraulic control part accumulator, one end is communicated with accumulator, the other end with eject four-way electro-hydraulic reversing valve that oil cylinder is communicated with and adjusting and eject oil cylinder and eject speed control muffler with falling speed, one end is communicated with accumulator, two-position four-way solenoid valve and one-way throttle valve that the other end is communicated with the pier material oil cylinder, also have by hydraulic lock and two-position four-way solenoid valve thereof, the locking device that the locking cylinder supporting with it constitutes, be positioned at the Solenoid ball valve in the hydraulic pressure backhaul, wherein aforesaid pier material oil cylinder is a primary material bumping tank, cylinder component also comprises the mounting or dismounting mould oil cylinder, secondary material bumping oil tank, wipe mould oil cylinder, and locking device is made up of the pressurized cylinder assembly.
The annexation of each oil cylinder is, mounting or dismounting mould oil cylinder is communicated with hand-operated direction valve, and this hand-operated direction valve is communicated with accumulator, and return line leads directly to fuel tank; Secondary material bumping oil tank is communicated with two-position four-way solenoid valve and one-way throttle valve thereof, and this two-position four-way solenoid valve is communicated with accumulator, and return line leads directly to fuel tank; Wipe mould oil cylinder and eject oil cylinder composition composite cylinder, wherein wipe mould oil cylinder and be communicated with two-position four-way solenoid valve, this two-position four-way solenoid valve is communicated with accumulator, and return line leads directly to fuel tank; Eject oil cylinder and be communicated with 3-position 4-way electro-hydraulic reversing valve and one-way throttle valve thereof, this three position four-way electromagnetic valve is communicated with accumulator, and return line leads directly to fuel tank; The pressurized cylinder assembly includes the return line of two straight-through fuel tanks and the pressurized cylinder that is communicated with accumulator, with pipeline that accumulator is communicated with on be connected with solenoid directional control valve and reduction valve, also comprise the one-way valve that is connected across between two pipelines of liftout tank, one-way valve cross-over connection between return line and liftout tank pipeline, one-way valve is connected in the return line.
The utility model compared with prior art, though slightly complicated structurally has
1, increased holding function, in the pressing unfired brick process, mould descends three times, can realize secondary material distributing, satisfies the requirement of compacting different cultivars adobe.
2, clamping mechanism difference, composite liftout attachment adopt folded spring locked mode, the hydraulic pressure rapping, and also rapping power is bigger, is realized by liftout tank by supercharging mode.Thereby, increased unique integrated charge cylinder structure.And traditional liftout attachment adopts independent locked mode cylinder mode, and control mode is simple relatively.
3, be convenient to die change, for ease of maintenaince.Composite liftout attachment is installed on above the press base, has increased form removal oil cylinder and other auxiliary device simultaneously, and more mold exchange, maintenance, detection, adjustment etc. are all convenient.Overcome traditional liftout attachment and be installed in the press base, need set up melt pit.Problems such as maintenance, mold exchange, adjustment inconvenience.
Therefore, the utility model is installed on above the press base composite liftout attachment and mould, is convenient to die change, for ease of maintenaince, can realize secondary material distributing; Hydraulic system adopts the height integration mode, the topology layout compactness, and pipeline is simple, for ease of maintenaince; Unique pressurized cylinder structure, pressurized cylinder and control valve are integrated in one, and reduce pipeline, are easy to safeguard.
Accompanying drawing 1 is conventional hydraulic brick machine liftout attachment and hydraulic control schematic representation thereof;
Accompanying drawing 2 be the utility model composite liftout attachment and hydraulic control thereof connect ,=schematic representation;
Accompanying drawing 3 is enlarged diagrams of accompanying drawing 2 composite liftout attachments part;
Accompanying drawing 4 is enlarged diagrams of accompanying drawing 2 hydraulic controls part.
With reference to accompanying drawing 1.The tradition liftout attachment generally by fixed beam XI, walking beam X, eject oil cylinder III, locking cylinder VII, pier material oil cylinder II, main piston VI and top cover VIII, check lock lever IX etc. form.The tradition liftout attachment hydraulic mechanism by accumulator 1, plug-in type one-way valve 2, two-position four-way electro-hydraulic reversing valve 18, speed control muffler 9, two-position four-way solenoid valve 6, one-way throttle valve 5, hydraulic lock 19, compositions such as two-position four-way solenoid valve 17 and Solenoid ball valve 5.
With reference to accompanying drawing 2,3,4.The utility model composite liftout attachment comprises a plurality of oil cylinder groups, and every group of 4 oil cylinders in parallel in order to express easily, are only drawn 2 groups in the drawings.Comprising
Be used to install and remove the mounting or dismounting mould oil cylinder I of mould;
A pier material oil cylinder II, when piston rod extend out to the position, stroke end, support fall the mould mobile plate time, the mould location that once descends when piston rod bounces back, is finished the pier material one time when mould descends once more;
Secondary rammer material oil cylinder V, when piston rod extend out to the position, stroke end, support fall the mould mobile plate time, secondary pier material when the piston rod retraction, is finished in the mould secondary location that descends when mould descends for the third time;
Eject, wipe suitable two group oil cylinders of mould composite oil cylinder, when piston rod stretches out, eject the adobe after oil cylinder III is used for ejecting compression moulding, when piston rod retraction mould descended, die cavity can hold the material powder; Rubbing mold cylinder IV is used for mould is ejected (oil-feed of oil cylinder cavity of resorption), so that cleaning mold.
The hydraulic control valve assembly comprises
Accumulator 1 is used for eliminating system pressure and flowed fluctuation, absorbs and the buffering hydraulic shock, system is operated steadily and reducing noise.Simultaneously, also can be used as emergency power supply.When pumping plant quits work, the pressure oil that accumulator stores can also make liftout attachment finish some necessary operations, during such as mold exchange, and operation mounting or dismounting mould oil cylinder or the like.
Hand-operated direction valve 3 is used for controlling the mounting or dismounting mould oil cylinder, and during not operation, selector valve remains in meta, and oil cylinder is in quick condition.
Two-position four-way solenoid valve 6 is used for controlling the material cylinder of once upsetting, and solenoid valve gets electric, and piston rod extend out to the position, stroke end, is used to support the mould mobile plate of whereabouts.The solenoid valve dead electricity drop under the mould on the piston rod that the secondary material bumping jar stretched out.Promptly finishing once the material of upsetting, the mould secondary that descended at this moment, pier material speed is regulated by throttle valve 5.
Two-position four-way solenoid valve 17 and throttle valve 16 are used for controlling secondary rammer material cylinder, and finishing secondary pier material is that mould descends for the third time.
Two-position four-way solenoid valve 7 is used for controlling rubbing mold cylinder, and solenoid valve gets electric, and the oil-feed of oil cylinder cavity of resorption ejects mould, so that cleaning mold.
3-position 4-way electro-hydraulic reversing valve 8 is used for controlling liftout tank.Two electromagnet are controlled oil cylinder respectively and are ejected and fall.Throttle valve 9 is regulated ejecting and falling speed of liftout tank.
The pressurized cylinder assembly comprises pressurized cylinder 11, one-way valve 10,12,13 solenoid directional control valves 14 and reduction valve 15.Pressurized cylinder is in order to satisfy the needs of special lock mold mechanism, is about to eject piston rod and mould mobile plate and lock onto one by folded spring, and during work, mould is with ejecting the piston rod action.And the folded spring of compression is just realized by the high pressure that pressurized cylinder produces.
In addition, also comprise the plug-in type one-way valve 2 that is arranged in the accumulator pipeline, be arranged in the Solenoid ball valve 4 of return line.
Claims (7)
1, a kind of hydraulic control of automatic hydraulic press composite liftout attachment is made up of Hydraulic Conirol Unit and cylinder component, and cylinder component comprises and ejects oil cylinder (III), pier material oil cylinder (II); The hydraulic control valve assembly comprises that an end is communicated with pumping plant, the other end be communicated with the hydraulic control part accumulator (1), one end is communicated with accumulator, the other end with eject four-way electro-hydraulic reversing valve that oil cylinder is communicated with and adjusting and eject oil cylinder and eject speed control muffler (9) with falling speed, one end is communicated with accumulator, two-position four-way solenoid valve (6) that the other end is communicated with the pier material oil cylinder and one-way throttle valve (5), also have by hydraulic lock and two-position four-way solenoid valve (14) thereof, the locking device that the locking cylinder supporting with it (VI) constitutes, be positioned at the Solenoid ball valve (4) in the hydraulic pressure backhaul, it is characterized in that
Described pier material oil cylinder is a primary material bumping tank, and cylinder component also comprises mounting or dismounting mould oil cylinder (I), and secondary material bumping oil tank (V) is wiped mould oil cylinder (IV);
Described locking device is made up of the pressurized cylinder assembly.
2, hydraulic control according to claim 1 is characterized in that installing and removing the mould oil cylinder and is communicated with hand-operated direction valve (3), and this hand-operated direction valve is communicated with accumulator, and return line leads directly to fuel tank.
3, hydraulic control according to claim 1 is characterized in that secondary material bumping oil tank is communicated with two-position four-way solenoid valve (17) and one-way throttle valve (16) thereof, and this two-position four-way solenoid valve is communicated with accumulator, and return line leads directly to fuel tank.
4, hydraulic control according to claim 1 is characterized in that wiping mould oil cylinder and ejects oil cylinder composition composite cylinder, wherein wipes mould oil cylinder and is communicated with two-position four-way solenoid valve (7), and this two-position four-way solenoid valve is communicated with accumulator, and return line leads directly to fuel tank.
5, according to claim 1 or 4 described hydraulic controls, it is characterized in that ejecting oil cylinder and be communicated with 3-position 4-way electro-hydraulic reversing valve (8) and one-way throttle valve (9) thereof, this three position four-way electromagnetic valve is communicated with accumulator, and return line leads directly to fuel tank.
6, hydraulic control according to claim 1, it is characterized in that the pressurized cylinder (11) that the pressurized cylinder assembly includes the return line of two straight-through fuel tanks and is communicated with accumulator, with pipeline that accumulator is communicated with on be connected with solenoid directional control valve (14) and reduction valve (15).
7, hydraulic control according to claim 6 is characterized in that also comprising the one-way valve (10) that is connected across between two pipelines of liftout tank, one-way valve (12) cross-over connection between return line and liftout tank pipeline, and one-way valve (13) is connected in the return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01215506 CN2466407Y (en) | 2001-02-28 | 2001-02-28 | Hydraulic controlling mechanism for compound ejection device of full-automatic hydraulic brick press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01215506 CN2466407Y (en) | 2001-02-28 | 2001-02-28 | Hydraulic controlling mechanism for compound ejection device of full-automatic hydraulic brick press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2466407Y true CN2466407Y (en) | 2001-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01215506 Expired - Fee Related CN2466407Y (en) | 2001-02-28 | 2001-02-28 | Hydraulic controlling mechanism for compound ejection device of full-automatic hydraulic brick press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2466407Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157688A (en) * | 2011-12-15 | 2013-06-19 | 广东科达机电股份有限公司 | Heavy-load walking beam lifting hydraulic control device |
| CN103511364A (en) * | 2012-06-21 | 2014-01-15 | 上海立新液压有限公司 | Hydraulic pressurizing system |
| CN109838424A (en) * | 2017-11-27 | 2019-06-04 | 江苏华澳橡胶机械有限公司 | A kind of high-precision locked mode pressure hydraulic control circuit and control method |
-
2001
- 2001-02-28 CN CN 01215506 patent/CN2466407Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157688A (en) * | 2011-12-15 | 2013-06-19 | 广东科达机电股份有限公司 | Heavy-load walking beam lifting hydraulic control device |
| CN103511364A (en) * | 2012-06-21 | 2014-01-15 | 上海立新液压有限公司 | Hydraulic pressurizing system |
| CN109838424A (en) * | 2017-11-27 | 2019-06-04 | 江苏华澳橡胶机械有限公司 | A kind of high-precision locked mode pressure hydraulic control circuit and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20011219 |