CN105599111B - A kind of adobe method for exhausting of ceramic brick press - Google Patents
A kind of adobe method for exhausting of ceramic brick press Download PDFInfo
- Publication number
- CN105599111B CN105599111B CN201610001615.5A CN201610001615A CN105599111B CN 105599111 B CN105599111 B CN 105599111B CN 201610001615 A CN201610001615 A CN 201610001615A CN 105599111 B CN105599111 B CN 105599111B
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- China
- Prior art keywords
- adobe
- upper mold
- mold core
- main piston
- oil circuit
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Classifications
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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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
-
- 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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/04—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form with one ram per mould
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention discloses a kind of adobe method for exhausting of ceramic brick press, it is provided with a balance oil circuit, the balance oil circuit is connected with the cavity of resorption of master cylinder, and the upward active force of definite value is generated to main piston, the upward active force subtracts 90% 110% that the epicoele of master cylinder is equal to the down force that main piston generates the total weight of main piston, moved cross beam and upper mold core, i.e., so that upper mold core, moved cross beam and main piston tend to suspended state；Compressed gas in exhaust phase, adobe initiatively promotes upper mold core to move up, and makes to generate gap between adobe and upper mold core, then the compressed gas in adobe is released by gap.Therefore, in condition or changes in process parameters, exhaust clearance energy adjust automatically realizes that adobe is adaptively vented, ensures green brick forming quality.
Description
Technical field
The present invention relates to a kind of method for producing ceramic brick more particularly to a kind of adobe method for exhausting of ceramic brick press.
Background technology
The green brick forming technical process of ceramic brick press is：Filler->Compacting->Exhaust->...—>Compacting->Go out
Base.According to the characteristic of different powders, compacting and exhaust may need repeatedly.Its inner space subtracts in adobe compression process
It is small, according to equation of gaseous state, the gas pressure intensity rise in adobe；When laying down press power and lifting upper mold core, if adobe
Inside and outside differential pressure is larger, and the gas of high pressure will make adobe burst, and generate lamination, so as to scrap.It suppresses several times side by side
The purpose of gas is exactly to reduce the decrement of single compacting, i.e., the pressure that sending down abnormally ascending body generates ensures that adobe will not be destroyed.
At present the control oil circuit of the structure of ceramic brick press and moved cross beam as shown in Figure 1, Figure 2, Figure 3 shows, the cylinder of master cylinder 2
Body 21 is fixed on the inside casing of rack 1 in plane 11, and the lower end of the main piston 22 of master cylinder 2 is connected with moved cross beam 3, and main oil
Cylinder 2 can drive moved cross beam 3 to move up and down；The epicoele 23 of master cylinder 2 is connected by prefill valve 4 with top tank 5, and top tank
5 are connected with compressed air；The cavity of resorption 24 of master cylinder 2 is connected with control oil circuit group 6；Mold 7 is fixed on work top 12, mold 7
Upper mold core 71 be fixed on 3 lower plane 31 of moved cross beam, the lower mold core 72 of mold 7 be placed on work top 12 and with ejection fill
8 connections are put, and liftout attachment 8 can drive lower mold core 72 to be moved up and down in framed 73.
Fig. 2 is compacting state, and Fig. 3 is exhaust condition.Currently known adobe method for exhausting is：Open prefill valve 4, epicoele
23 releases are simultaneously connected with top tank 5；The rising oil circuit 61 of control oil circuit group 6 is opened, and pressure oil enters cavity of resorption 24, and driving activity
Crossbeam 3 moves up certain altitude, while upper mold core 71 is driven to leave adobe 9, and forms a gap 10；Compressed gas in adobe 9
Just can be discharged by gap 10.Decline 24 oil extraction of cavity of resorption in order to control of oil circuit 62, moved cross beam 3 moves down and upper mold core 71 is made to contact brick
Base is prepared for compacting next time.A mechanism can be complex as with declining oil circuit 62 by rising oil circuit 61, but both during work no
It can be also turned on.
The adobe method for exhausting of the prior art is the rising oil circuit opened in control oil circuit, rises the hydraulic pressure that oil circuit is passed through
Oil promotes upper mold core to rise, and makes to generate gap between upper mold core and adobe, so that the compressed gas effusion in adobe.Adobe is arranged
The gas gone out can generate certain back pressure in gap, can balance a part of internal pressure of adobe, avoid the inside and outside gas pressure of adobe
Difference is bigger than normal and bursts and is layered, but the bigger back pressure in gap is lower.
Prior art shortcoming is that the height and speed that upper mold core is lifted are difficult to control to stablize and accurately, that is, is difficult control
The inside and outside gas differential pressure of adobe in exhaust process；When operation conditions change, the speed that upper mold core is lifted is fast or adobe in
Air pressure is bigger than normal, and adobe inside and outside differential pressure will be caused bigger than normal, i.e., so that adobe cracking is layered, so as to scrap；In the situation that powder is poor
Under in addition can not make green brick forming.At present, common solution method is to suppress and be vented several times, that is, reduces single adobe
Decrement, that is, reduce the gas pressure intensity in adobe, but this will cause yield reduction and energy consumption to increase.
The content of the invention
The technical problems to be solved by the invention are, provide a kind of adobe method for exhausting, it can be achieved that adobe is adaptively arranged
Gas ensures green brick forming quality；And it can accelerate compacting frequency on the premise of the yield rate of adobe is ensured, improve production efficiency.
Brick machine structure of the present invention is fixed for cylinder block, piston activity；And main piston, moved cross beam and upper mold
Core connection is integral, and can be moved up and down.
A kind of adobe method for exhausting of ceramic brick press provided by the invention is provided with balance oil circuit, the equilibrium oil
Road is connected with the cavity of resorption of master cylinder, and the upward active force of definite value is generated to main piston, and the upward active force subtracts master cylinder
The down force that generates to main piston of epicoele be equal to main piston, moved cross beam and upper mold core total weight 90%-110%,
I.e. so that upper mold core, moved cross beam and main piston tend to suspended state；Compressed gas in exhaust phase, adobe initiatively pushes away
Dynamic upper mold core moves up, and makes to generate gap between adobe and upper mold core, then the compressed gas in adobe is released by gap.
As another preferred embodiment, being provided with special independent balancing cylinder on moved cross beam, and balance oil circuit is provided with,
The balance oil circuit is connected with the balancing cylinder, and the upward active force of definite value, the upward effect are generated to moved cross beam
Power subtracts the epicoele of master cylinder to total weight of the down force that main piston generates equal to main piston, moved cross beam and upper mold core
90%-110%.
As the supplement of said program, balance oil circuit can be decompression oil circuit, be value of pressure oil by high pressure oil decompression.
The operation principle of the present invention unlike the prior art, is provided with balance oil circuit or balancing cylinder, is adjusted and makees
Making a concerted effort on upper mold core, moved cross beam and main piston, makes upper mold core, moved cross beam and main piston tend to suspended state；
Exhaust phase initiatively promotes upper mold core, moved cross beam and main piston to move up, makes adobe and upper mold by the compressed gas in adobe
Generate gap between core, the compressed gas in adobe is released by gap.
During exhaust, height and speed that upper mold core moves up are related with the pressure and quantity of gas in adobe, i.e. gas in adobe
The pressure and quantity of body are bigger, then exhaust clearance it is bigger and formed speed it is faster.Therefore, in condition or changes in process parameters
When, exhaust clearance energy adjust automatically realizes that adobe is adaptively vented.Upper mold core active lifting is avoided to caused by adobe possibility
It destroys, exhaust number can be reduced, so as on the premise of the yield rate of adobe is ensured, accelerate compacting frequency, improve production effect
Rate.
The prior art, upper mold core are that active control lifts exhaust；And it is of the invention, upper mold core is passively to lift exhaust.
Description of the drawings
Fig. 1 is the structure of current ceramic brick press and the control oil circuit schematic diagram of moved cross beam.
Fig. 2 is the partial enlarged view of Fig. 1, and suppresses state for adobe.
Fig. 3 is the partial enlarged view of Fig. 1, and is adobe exhaust condition.
Fig. 4 is the control principle schematic diagram of the moved cross beam of the present invention.
Fig. 5 is another embodiment of the present invention schematic diagram, and sets special independent balancing cylinder.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
It is described in detail on step ground.
As shown in figure 4, it is first embodiment of the invention.The present invention increases a balance oil circuit 63 newly in oil circuit group 6 is controlled,
Balance oil circuit 63 is connected with the cavity of resorption 24 of master cylinder 2.Close rise oil circuit 61 and decline oil circuit 62, and adjustment oil circuit 63 with
The oil pressure of cavity of resorption 24 is set, make the lifting force of generation up subtract epicoele 23 generate active force down be equal to main piston 22,
The 90%-110% of the total weight of moved cross beam 3 and upper mold core 71, i.e., so that upper mold core 71, moved cross beam 3 and main piston 22 tend to
Suspended state.
When exhaust, the compressed gas in adobe 9 initiatively promotes upper mold core 71 to move up and generates gap 10, compressed gas
It is discharged by gap 10.The size in gap 10 can adaptively be adjusted according to the pressure and quantity of compressed gas, realize that adobe is adaptive
It should be vented, and ensure green brick forming quality.71 active lifting of upper mold core is avoided to destruction caused by adobe possibility, and can be subtracted
Number is vented less, so as on the premise of the yield rate of adobe is ensured, accelerate compacting frequency and improve production efficiency.
It is another embodiment of the present invention shown in Fig. 5, except that：Balanced controls are separated with master cylinder, and in activity
Special independent balancing cylinder 11 on crossbeam 3 is set, while balances oil circuit 63 and is connected with balancing cylinder 11.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention cannot being limited with this certainly
Sharp scope, therefore equivalent variations made according to the claims of the present invention, are still within the scope of the present invention.
Claims (3)
1. a kind of adobe method for exhausting of ceramic brick press, main piston, moved cross beam and the upper mold core of the brick machine are connected as
One is whole, and can move up and down, it is characterised in that：It is provided with the cavity of resorption company of balance oil circuit, the balance oil circuit and master cylinder
It is logical, and the upward active force of definite value is generated to main piston, the epicoele that the upward active force subtracts master cylinder generates main piston
Down force be equal to main piston, moved cross beam and upper mold core total weight 90%-110%；In exhaust phase, adobe
Compressed gas initiatively promotes upper mold core to move up, and makes to generate gap between adobe and upper mold core, then the compressed gas in adobe
It is released by gap.
2. a kind of adobe method for exhausting of ceramic brick press, main piston, moved cross beam and the upper mold core of the brick machine are connected as
One is whole, and can move up and down, it is characterised in that：Special independent balancing cylinder is provided on moved cross beam, and is set
There is balance oil circuit, the balance oil circuit is connected with the balancing cylinder, and the upward active force of definite value, institute are generated to moved cross beam
It states upward active force and subtracts the epicoele of master cylinder and main piston, moved cross beam and upper mold are equal to the down force that main piston generates
The 90%-110% of the total weight of core；Compressed gas in exhaust phase, adobe initiatively promotes upper mold core to move up, make adobe with
Gap is generated between upper mold core, then the compressed gas in adobe is released by gap.
3. adobe method for exhausting as claimed in claim 1 or 2, it is characterised in that：The balance oil circuit is decompression oil circuit, will
High pressure oil decompression is value of pressure oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001615.5A CN105599111B (en) | 2016-01-05 | 2016-01-05 | A kind of adobe method for exhausting of ceramic brick press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001615.5A CN105599111B (en) | 2016-01-05 | 2016-01-05 | A kind of adobe method for exhausting of ceramic brick press |
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| Publication Number | Publication Date |
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| CN105599111A CN105599111A (en) | 2016-05-25 |
| CN105599111B true CN105599111B (en) | 2018-05-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105946105B (en) * | 2016-07-07 | 2018-09-04 | 佛山市恒力泰机械有限公司 | A kind of ceramic brick press mold bottom level detecting apparatus and method |
| CN110509401B (en) * | 2019-07-31 | 2020-06-26 | 佛山市富域新材料有限公司 | Ceramic tile production device |
| CN111336139B (en) * | 2020-03-26 | 2021-10-22 | 厦门理工学院 | Hydraulic system and control method of ceramic brick press |
| CN111331709A (en) * | 2020-04-22 | 2020-06-26 | 佛山市新鹏工业服务有限公司 | Pressing method for large-plate ceramic tile |
| CN113635433B (en) * | 2021-07-05 | 2022-07-29 | 营口濮耐镁质材料有限公司 | Preparation method of large-size metal-coated refractory brick and movable mold thereof |
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| EP0390302A2 (en) * | 1989-03-30 | 1990-10-03 | Schmidt, Michael, Dipl.-Ing. oec | Process and device for making plaster elements especially imitation marble with visible faces of high surface quality |
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| CN2477339Y (en) * | 2001-07-19 | 2002-02-20 | 佛山市石湾镇陶瓷工业研究所 | Exhausting die of ceramic bricks |
| CN201211716Y (en) * | 2008-07-09 | 2009-03-25 | 张红宇 | Isostatic pressing full-automatic vacuum-pumping apparatus |
| CN203210499U (en) * | 2013-01-14 | 2013-09-25 | 濮阳濮耐高温材料（集团）股份有限公司 | Automatic exhausting device for forming of fireproof material setting products |
| CN204367144U (en) * | 2014-06-26 | 2015-06-03 | 佛山市南海区圣烨机械设备有限公司 | A kind of energy-conserving and environment-protective vented mould |
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- 2016-01-05 CN CN201610001615.5A patent/CN105599111B/en active Active
Patent Citations (9)
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|---|---|---|---|---|
| EP0390302A2 (en) * | 1989-03-30 | 1990-10-03 | Schmidt, Michael, Dipl.-Ing. oec | Process and device for making plaster elements especially imitation marble with visible faces of high surface quality |
| JPH08244018A (en) * | 1995-03-10 | 1996-09-24 | Sekisui Chem Co Ltd | Mold of hydraulic inorganic molded article |
| CN2424907Y (en) * | 2000-06-01 | 2001-03-28 | 吴钢 | Pressing-forming mould for ceramic tile |
| CN2477339Y (en) * | 2001-07-19 | 2002-02-20 | 佛山市石湾镇陶瓷工业研究所 | Exhausting die of ceramic bricks |
| CN201211716Y (en) * | 2008-07-09 | 2009-03-25 | 张红宇 | Isostatic pressing full-automatic vacuum-pumping apparatus |
| CN203210499U (en) * | 2013-01-14 | 2013-09-25 | 濮阳濮耐高温材料（集团）股份有限公司 | Automatic exhausting device for forming of fireproof material setting products |
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| Publication number | Publication date |
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| CN105599111A (en) | 2016-05-25 |
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