CN104139454A - Demolding device of hydraulic brick press and demolding method thereof - Google Patents
Demolding device of hydraulic brick press and demolding method thereof Download PDFInfo
- Publication number
- CN104139454A CN104139454A CN201310162075.5A CN201310162075A CN104139454A CN 104139454 A CN104139454 A CN 104139454A CN 201310162075 A CN201310162075 A CN 201310162075A CN 104139454 A CN104139454 A CN 104139454A
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- demoulding oil
- oil cylinder
- press
- main
- assisted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to a demolding device of a hydraulic brick press and a demolding method thereof. The demolding device comprises a press frame, a guide mechanism, an upper movable beam, a lower movable beam, a main demolding oil cylinder, an auxiliary demolding oil cylinder, and a hydraulic-electric control system for controlling the demolding process; after an adobe is pressed, the hydraulic-electric control system controls the main demolding oil cylinder to provide original demolding force, or controls the main demolding oil cylinder and the auxiliary demolding oil cylinder to synchronously provide the original demolding force; and after the predetermined front demolding travel is finished, the hydraulic-electric control system controls the main demolding oil cylinder to relieve pressure, and synchronously controls the auxiliary demolding oil cylinder to provide subsequent demolding force to finish the back demolding travel. The main demolding oil cylinder and the auxiliary demolding oil cylinder fit for use, so that the hydraulic pressure of a system is reasonably used; the volume of hydraulic oil consumed by a hydraulic system in the demolding process is decreased, so that the energy consumption of each circulation of the hydraulic brick press is reduced; and under the precondition of not increasing the pump displacement of the hydraulic system, the operation speed is increased, and the productivity of one machine is improved.
Description
Technical field
The present invention relates to stripper apparatus and the release method thereof of a kind of brick machine, particularly a kind of hydraulic press.
Background technology
As Fig. 1, the hydraulic press of prior art generally comprises brick machine framework, master cylinder 2, upper walking beam 3, lower walking beam 5, guiding mechanism 6, mould 7 and demoulding oil jar 4, guiding mechanism 6 utilizes the cylinder guiding of column conventionally, brick machine framework is by upper beam 1, underbeam 8, column forms, lower walking beam 5 is between underbeam 8 and upper beam 1, on guiding mechanism 6, slide, mould 7 comprises patrix, counterdie and die middle frame, counterdie is fixedly connected with underbeam 8, die middle frame is fixedly connected with lower walking beam 5, the cylinder body end of demoulding oil jar 4 is with upper beam 1 chain connection or be fixedly connected with, tailpiece of the piston rod is fixedly connected with lower walking beam 5, like this, after brick machine is compressing adobe, demoulding oil jar 4 actions drive lower walking beam 5 to move downward, adobe is departed from from mould 7, this process is the adobe demoulding.Because initial knockout press is larger, existing demoulding oil jar 4 cylinder diameters are also thereupon larger, general 1/3 of master cylinder 2 diameters that surpass, after but the demoulding starts along with adobe departs from die cavity gradually, needed follow-up knockout press significantly reduces, the hydraulic oil quantity that demoulding oil jar 4 consumes does not but reduce, and therefore has energy waste to a certain degree.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, and stripper apparatus and the release method thereof of the hydraulic press that a kind of energy consumption is low are provided; A further object of the present invention is, by reducing the hydraulic fluid pressure oil mass of the every cycle consumption of stripper apparatus, to improve the hydraulic press speed of service.
Technical scheme of the present invention is achieved in that
The stripper apparatus of hydraulic press, comprise press frame, guiding mechanism, upper walking beam, lower walking beam, it forms main points and is, also comprise main demoulding oil jar and assisted demoulding oil cylinder and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar cylinder diameter is greater than assisted demoulding oil cylinder, hydraulic pressure electric control system respectively with main demoulding oil jar and assisted demoulding oil cylinder control connection, after adobe has been suppressed, hydraulic pressure electric control system or control main demoulding oil jar initial knockout press is provided, or control main demoulding oil jar and assisted demoulding oil cylinder provides initial knockout press jointly, complete after the front stripping stroke of setting, hydraulic pressure electric control system is controlled main demoulding oil jar release, control simultaneously assisted demoulding oil cylinder follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke.
The release method of hydraulic press, its composition main points are, comprise the steps:
1, provide the stripper apparatus including as lower member, press frame, guiding mechanism, upper walking beam, lower walking beam, main demoulding oil jar and assisted demoulding oil cylinder and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar cylinder diameter is greater than assisted demoulding oil cylinder, hydraulic pressure electric control system respectively with main demoulding oil jar and assisted demoulding oil cylinder control connection
2,, after adobe has been suppressed, hydraulic pressure electric control system or control main demoulding oil jar and initial knockout press is provided or controls main demoulding oil jar and assisted demoulding oil cylinder provides initial knockout press jointly, completes the front stripping stroke of setting, after this,
3, hydraulic pressure electric control system is controlled main demoulding oil jar release, control simultaneously assisted demoulding oil cylinder follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke.
Like this, by main demoulding oil jar and assisted demoulding oil cylinder switch operating, reduced the energy consumption of knockout course; And when reducing the hydraulic fluid pressure oil mass of the every cycle consumption of stripper apparatus, the responsiveness of assisted demoulding oil cylinder is improved, thereby improve the hydraulic press speed of service, productivity ratio is improved.
Object of the present invention can also realize by following approach.
The technical scheme of the installation site of main demoulding oil jar and assisted demoulding oil cylinder is: or main demoulding oil jar two ends respectively with press frame top, lower walking beam mechanical connection, simultaneously assisted demoulding oil cylinder two ends respectively with press frame bottom, lower walking beam mechanical connection; Or assisted demoulding oil cylinder two ends respectively with press frame top, lower walking beam mechanical connection, simultaneously main demoulding oil jar two ends respectively with press frame bottom, lower walking beam mechanical connection.
Also have a kind of technical scheme of installation site to be: assisted demoulding oil cylinder is installed on and in the piston rod of main demoulding oil jar, forms Multi-stage cylinder, Multi-stage cylinder two ends or respectively with press frame top and lower walking beam mechanical connection or respectively with press frame bottom and lower walking beam mechanical connection.
The required load of lifting mould after the thrust of assisted demoulding oil cylinder is greater than the demoulding and completes.
Like this, just can rely on merely assisted demoulding oil cylinder can control mould return, and return speed is fast.Corresponding method step is preferably:
After above-mentioned the 3rd step, increasing by the 4th step is: the required load of lifting mould after the thrust of assisted demoulding oil cylinder is greater than the demoulding and completes, after stripping stroke completes, hydraulic pressure electric control system is controlled assisted demoulding oil cylinder counteragent lifting mould return.
Main demoulding oil jar or plunger case or piston cylinder.
Assisted demoulding oil cylinder is piston cylinder preferably.
Main demoulding oil jar and assisted demoulding oil cylinder Area Ratio at 2:1 between 9:1.
The present invention compared to existing technology tool has the following advantages: by being used in conjunction with of main demoulding oil jar and assisted demoulding oil cylinder, system liquid pressure energy is reasonably utilized, the hydraulic oil volume that the hydraulic system of reduction knockout course consumes, thereby reduced the energy consumption of the each circulation of hydraulic press, under the prerequisite that does not increase hydraulic system pumpage, improve the speed of service of system, improved the productivity ratio of unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hydraulic press stripper apparatus of the prior art.
Fig. 2 is the structural representation of the stripper apparatus of hydraulic press described in the embodiment of the present invention one.
Fig. 3 is the structural representation of the stripper apparatus of hydraulic press described in most preferred embodiment of the present invention.
1. main demoulding oil jar 11. Multi-stage cylinders of 5. times walking beams of walking beam 4. stripping tank, 6. guiding mechanism 7. mould 8. underbeam 9. assisted demoulding oil cylinder 10. on upper beam 2. master cylinders 3..
Below in conjunction with accompanying drawing, the present invention is carried out to more detailed description.
The specific embodiment
Embodiment 1:
With reference to Fig. 2, the stripper apparatus of hydraulic press, comprise press frame, guiding mechanism 6, upper walking beam 3, lower walking beam 4, main demoulding oil jar 10, assisted demoulding oil cylinder 9 and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar 10 cylinder diameters are greater than assisted demoulding oil cylinder 9, and the cylinder diameter ratio of the two is: 5 to 1.Main demoulding oil jar 10 two ends respectively with press frame top, lower walking beam 5 mechanical connections, simultaneously assisted demoulding oil cylinder two ends respectively with press frame bottom, lower walking beam 5 mechanical connections.Main demoulding oil jar 10 is plunger cases, and assisted demoulding oil cylinder 9 is piston cylinders.Hydraulic pressure electric control system respectively with main demoulding oil jar 10 and assisted demoulding oil cylinder 9 control connections.After adobe has been suppressed, hydraulic pressure electric control system is controlled main demoulding oil jar 10 and assisted demoulding oil cylinder 9 provides initial knockout press jointly, complete after the front stripping stroke of setting, hydraulic pressure electric control system is controlled main demoulding oil jar 10 releases, control simultaneously assisted demoulding oil cylinder 9 follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke, and the required load of lifting mould after being greater than the demoulding and completing.
The release method of hydraulic press, comprises the steps:
1, provide the stripper apparatus including as the hydraulic press of lower member, comprise press frame, guiding mechanism 6, upper walking beam 3, lower walking beam 4, main demoulding oil jar 10, assisted demoulding oil cylinder 9 and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar 10 cylinder diameters are greater than assisted demoulding oil cylinder 9, and the cylinder diameter ratio of the two is: 5 to 1.Main demoulding oil jar 10 two ends respectively with press frame top, lower walking beam 5 mechanical connections, simultaneously assisted demoulding oil cylinder two ends respectively with press frame bottom, lower walking beam 5 mechanical connections.Main demoulding oil jar 10 is plunger cases, and assisted demoulding oil cylinder 9 is piston cylinders.Hydraulic pressure electric control system respectively with main demoulding oil jar 10 and assisted demoulding oil cylinder 9 control connections.After adobe has been suppressed, hydraulic pressure electric control system is controlled main demoulding oil jar 10 and assisted demoulding oil cylinder 9 provides initial knockout press jointly, complete after the front stripping stroke of setting, hydraulic pressure electric control system is controlled main demoulding oil jar 10 releases, control simultaneously assisted demoulding oil cylinder 9 follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke, and the required load of lifting mould after being greater than the demoulding and completing;
2, after adobe has been suppressed, hydraulic pressure electric control system is controlled main demoulding oil jar 10 and assisted demoulding oil cylinder 9 provides initial knockout press jointly, completes the front stripping stroke of setting, after this;
3, hydraulic pressure electric control system is controlled main demoulding oil jar release, control simultaneously assisted demoulding oil cylinder follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke;
4, the thrust of assisted demoulding oil cylinder 9 be greater than the demoulding and complete after the required load of lifting mould, after stripping stroke completes, hydraulic pressure electric control system is controlled assisted demoulding oil cylinder 9 counteragents lifting mould return.
It is same as the prior art that the present embodiment is not stated part.
Most preferred embodiment:
With reference to Fig. 3, the stripper apparatus of hydraulic press, comprise press frame, guiding mechanism 6, upper walking beam 3, lower walking beam 4, main demoulding oil jar 10, assisted demoulding oil cylinder 9 and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar 10 cylinder diameters are greater than assisted demoulding oil cylinder 9, and the cylinder diameter ratio of the two is: 6 to 1.Assisted demoulding oil cylinder 9 is installed on and in the piston rod of main demoulding oil jar 10, forms Multi-stage cylinder, Multi-stage cylinder two ends respectively with press frame top and lower walking beam mechanical connection.Main demoulding oil jar 10 and assisted demoulding oil cylinder 9 are plunger case.Hydraulic pressure electric control system respectively with main demoulding oil jar 10 and assisted demoulding oil cylinder 9 control connections.After adobe has been suppressed, hydraulic pressure electric control system is controlled main demoulding oil jar 10 initial knockout press is provided, complete after the front stripping stroke of setting, hydraulic pressure electric control system is controlled main demoulding oil jar 10 releases, control simultaneously assisted demoulding oil cylinder 9 follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke, and the required load of lifting mould after being greater than the demoulding and completing.
The release method of hydraulic press, comprises the steps:
1, provide the stripper apparatus including as the hydraulic press of lower member, comprise press frame, guiding mechanism 6, upper walking beam 3, lower walking beam 4, main demoulding oil jar 10, assisted demoulding oil cylinder 9 and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar 10 cylinder diameters are greater than assisted demoulding oil cylinder 9, and the cylinder diameter ratio of the two is: 6 to 1.Assisted demoulding oil cylinder 9 is installed on and in the piston rod of main demoulding oil jar 10, forms Multi-stage cylinder, Multi-stage cylinder two ends respectively with press frame top and lower walking beam mechanical connection.Main demoulding oil jar 10 and assisted demoulding oil cylinder 9 are plunger case.Hydraulic pressure electric control system respectively with main demoulding oil jar 10 and assisted demoulding oil cylinder 9 control connections.After adobe has been suppressed, hydraulic pressure electric control system is controlled main demoulding oil jar 10 initial knockout press is provided, complete after the front stripping stroke of setting, hydraulic pressure electric control system is controlled main demoulding oil jar 10 releases, control simultaneously assisted demoulding oil cylinder 9 follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke, and the required load of lifting mould after being greater than the demoulding and completing;
2, after adobe has been suppressed, hydraulic pressure electric control system is controlled main demoulding oil jar 10 initial knockout press is provided, and completes the front stripping stroke of setting, after this;
3, hydraulic pressure electric control system is controlled main demoulding oil jar 10 releases, control simultaneously assisted demoulding oil cylinder 9 follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder 9 is greater than the required follow-up knockout press of rear stripping stroke;
4, the thrust of assisted demoulding oil cylinder 9 be greater than the demoulding and complete after the required load of lifting mould, after stripping stroke completes, hydraulic pressure electric control system is controlled assisted demoulding oil cylinder 9 counteragents lifting mould return.
It is same as the prior art that the present embodiment is not stated part.
Claims (10)
1. the stripper apparatus of hydraulic press, comprise press frame, guiding mechanism, upper walking beam, lower walking beam, it is characterized in that, also comprise main demoulding oil jar and assisted demoulding oil cylinder and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar cylinder diameter is greater than assisted demoulding oil cylinder, hydraulic pressure electric control system respectively with main demoulding oil jar and assisted demoulding oil cylinder control connection, after adobe has been suppressed, hydraulic pressure electric control system or control main demoulding oil jar initial knockout press is provided, or control main demoulding oil jar and assisted demoulding oil cylinder provides initial knockout press jointly, complete after the front stripping stroke of setting, hydraulic pressure electric control system is controlled main demoulding oil jar release, control simultaneously assisted demoulding oil cylinder follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke.
2. the stripper apparatus of hydraulic press according to claim 1, it is characterized in that, or main demoulding oil jar two ends respectively with press frame top, lower walking beam mechanical connection, simultaneously assisted demoulding oil cylinder two ends respectively with press frame bottom, lower walking beam mechanical connection; Or assisted demoulding oil cylinder two ends respectively with press frame top, lower walking beam mechanical connection, simultaneously main demoulding oil jar two ends respectively with press frame bottom, lower walking beam mechanical connection.
3. the stripper apparatus of hydraulic press according to claim 1, it is characterized in that, assisted demoulding oil cylinder is installed on and in the piston rod of main demoulding oil jar, forms Multi-stage cylinder, Multi-stage cylinder two ends or respectively with press frame top and lower walking beam mechanical connection or respectively with press frame bottom and lower walking beam mechanical connection.
4. the stripper apparatus of hydraulic press according to claim 1, is characterized in that, the required load of lifting mould after the thrust of assisted demoulding oil cylinder is greater than the demoulding and completes.
5. according to the stripper apparatus of the hydraulic press described in claim 1 or 2 or 3, it is characterized in that main demoulding oil jar or plunger case or piston cylinder.
6. according to the stripper apparatus of the hydraulic press described in claim 1 or 2 or 3 or 4, it is characterized in that, assisted demoulding oil cylinder is piston cylinder preferably.
7. according to the stripper apparatus of the hydraulic press described in claim 1 or 2 or 3, it is characterized in that, main demoulding oil jar and assisted demoulding oil cylinder Area Ratio at 2:1 between 9:1.
8. the release method of hydraulic press, is characterized in that, comprises the steps:
(1) provide the stripper apparatus including as lower member, press frame, guiding mechanism, upper walking beam, lower walking beam, main demoulding oil jar and assisted demoulding oil cylinder and the hydraulic pressure electric control system of controlling knockout course, main demoulding oil jar cylinder diameter is greater than assisted demoulding oil cylinder, hydraulic pressure electric control system respectively with main demoulding oil jar and assisted demoulding oil cylinder control connection
(2), after adobe has been suppressed, hydraulic pressure electric control system or control main demoulding oil jar and initial knockout press is provided or controls main demoulding oil jar and assisted demoulding oil cylinder provides initial knockout press jointly, completes the front stripping stroke of setting, after this,
(3) hydraulic pressure electric control system is controlled main demoulding oil jar release, control simultaneously assisted demoulding oil cylinder follow-up knockout press is provided and complete after stripping stroke, the thrust of assisted demoulding oil cylinder is greater than the required follow-up knockout press of rear stripping stroke.
9. the release method of hydraulic press according to claim 8, it is characterized in that, after above-mentioned the 3rd step, increasing by the 4th step is: the required load of lifting mould after the thrust of assisted demoulding oil cylinder is greater than the demoulding and completes, after stripping stroke completes, hydraulic pressure electric control system is controlled assisted demoulding oil cylinder counteragent lifting mould return.
10. the release method of hydraulic press according to claim 8, it is characterized in that, assisted demoulding oil cylinder is installed on and in the piston rod of main demoulding oil jar, forms Multi-stage cylinder, Multi-stage cylinder two ends or respectively with press frame top and lower walking beam mechanical connection or respectively with press frame bottom and lower walking beam mechanical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162075.5A CN104139454A (en) | 2013-05-06 | 2013-05-06 | Demolding device of hydraulic brick press and demolding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310162075.5A CN104139454A (en) | 2013-05-06 | 2013-05-06 | Demolding device of hydraulic brick press and demolding method thereof |
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| CN104139454A true CN104139454A (en) | 2014-11-12 |
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| CN201310162075.5A Pending CN104139454A (en) | 2013-05-06 | 2013-05-06 | Demolding device of hydraulic brick press and demolding method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150099A (en) * | 2018-02-27 | 2019-08-23 | 滁州昭阳电信通讯设备科技有限公司 | A kind of compression pressing element structure of mixed breed fiber material brick |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB883597A (en) * | 1959-06-02 | 1961-12-06 | Maschf Deutschland Ag | Improvements in or relating to ingot mould strippers |
| CN101195237A (en) * | 2007-02-09 | 2008-06-11 | 福建海源自动化机械设备有限公司 | Bidirectional pressing mechanism of brick machine |
| CN101574833A (en) * | 2008-08-12 | 2009-11-11 | 洛阳中冶重工机械有限公司 | Fully automatic hydroform and intelligent stacking device for bricks |
| CN201353821Y (en) * | 2008-12-25 | 2009-12-02 | 洛阳东信重工科技有限公司 | Hydraulic vibration-type brick making machine |
| CN101659116A (en) * | 2009-08-21 | 2010-03-03 | 张家港市贝尔机械有限公司 | Fast oil pressure mold-closing mechanism |
| CN101870137A (en) * | 2010-06-21 | 2010-10-27 | 洛阳中冶重工机械有限公司 | Demoulding mechanism of brick molding press |
| CN101961781A (en) * | 2010-08-31 | 2011-02-02 | 温州瑞明工业股份有限公司 | Reducing piled force-expanding type oil cylinder opening-closing device and using method thereof |
-
2013
- 2013-05-06 CN CN201310162075.5A patent/CN104139454A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB883597A (en) * | 1959-06-02 | 1961-12-06 | Maschf Deutschland Ag | Improvements in or relating to ingot mould strippers |
| CN101195237A (en) * | 2007-02-09 | 2008-06-11 | 福建海源自动化机械设备有限公司 | Bidirectional pressing mechanism of brick machine |
| CN101574833A (en) * | 2008-08-12 | 2009-11-11 | 洛阳中冶重工机械有限公司 | Fully automatic hydroform and intelligent stacking device for bricks |
| CN201353821Y (en) * | 2008-12-25 | 2009-12-02 | 洛阳东信重工科技有限公司 | Hydraulic vibration-type brick making machine |
| CN101659116A (en) * | 2009-08-21 | 2010-03-03 | 张家港市贝尔机械有限公司 | Fast oil pressure mold-closing mechanism |
| CN101870137A (en) * | 2010-06-21 | 2010-10-27 | 洛阳中冶重工机械有限公司 | Demoulding mechanism of brick molding press |
| CN101961781A (en) * | 2010-08-31 | 2011-02-02 | 温州瑞明工业股份有限公司 | Reducing piled force-expanding type oil cylinder opening-closing device and using method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《机械设计手册》联合编写组: "《机械设计手册 下册》", 30 November 1987, 化学工业出版社 * |
| 方慎权: "《采掘机械与液压传动》", 31 December 1987, 中国矿业学院出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110150099A (en) * | 2018-02-27 | 2019-08-23 | 滁州昭阳电信通讯设备科技有限公司 | A kind of compression pressing element structure of mixed breed fiber material brick |
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Application publication date: 20141112 |
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