CN107096901A - A kind of uniform feeding device of spun casting - Google Patents
A kind of uniform feeding device of spun casting Download PDFInfo
- Publication number
- CN107096901A CN107096901A CN201710302214.8A CN201710302214A CN107096901A CN 107096901 A CN107096901 A CN 107096901A CN 201710302214 A CN201710302214 A CN 201710302214A CN 107096901 A CN107096901 A CN 107096901A
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- cavity
- piston
- liquid
- check valve
- feeding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/107—Means for feeding molten metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The present invention relates to centrifugal casting equipment, and in particular to a kind of centrifugal casting feed device.A kind of uniform feeding device of spun casting, including cavity, motor, cavity be connected with for feed liquor feed tube and be used to slidably connect piston in the horizontal direction in the mozzle of liquid, cavity；Piston is connected with connecting rod；Motor drive link uniform motion.This programme can exclude influence of the liquid level to metal liquid flow velocity in cavity completely, realize uniform feed liquor.
Description
Technical field
The present invention relates to centrifugal casting equipment, and in particular to a kind of centrifugal casting feed device.
Background technology
Centrifugal casting is poured into liquid metals in the casting mold of rotation, liquid metals is filled casting under the influence of centrifugal force
A kind of casting method that type and solidification are formed.During centrifugal casting, liquid metals can form hollow cylinder freely in casting mold
Surface, so just just can cast out hollow casting without core, enormously simplify sleeve, the production process of tubing casting；By
Centrifugal action when rotation produced by liquid metals, centrifugal casting can improve the ability that metal fills town casting mold, therefore some
The poor alloy of mobility and thin-section casting can all be produced with centre spinning；Due to the effect of centrifugal force, feeding bar is improved
Part, gas and nonmetal inclusion are also easy to discharge from liquid metals, therefore the tissue of centrifugal casting is finer and close, shrinkage cavity, stomata,
The defect such as it is mingled with less, the metal consumption in terms of apparatus for pouring and rising head can also be eliminated.
Current spun casting is typically provided with pouring device, including tundish, pouring basin and running channel etc..But it is due to casting
The Free Surface during inner surface of part, liquid metals is in rotational case retrofilling casting mold and solidified, the feed liquor of liquid metals
When measuring unstable, the inner surface of casting is rougher.And in casting cycle, metal liquid is in flow regime, metal liquid enters
Enter liquid level after the tundish of bottom unstable, liquid is wavy to flow to pouring device, and the products thickness so produced is uneven,
Performance to product also has an impact.
Application No. CN200920080937.9 Chinese patent discloses a kind of aluminium liquid and poured disclosed in 31 days March in 2010
Casting novel distributor, including frame, distributor support, distributor axis, distributor, ship type casting ladle, chute, mozzle, liquid level,
Mold, distributor is to being provided with the distributor stem bar that is fixed on distributor circle body between cast base.Distributor stem bar is S
Shape, and distribution stem bar and mozzle stretch into below metal bath surface.
This distributor, aluminium liquid is from chute enters ship type casting ladle, in the dispenser bottom by being connected with ship type casting ladle
S-shaped distribution stem bar enter mold in, distribution stem bar and mozzle stretch into below aluminium liquid liquid level, aluminium liquid oxygen can be prevented
Change, the distribution stem bar of S-shaped how plays a part of water conservancy diversion and buffering.But the aluminium liquid of this distributor is still to be flowed to from eminence
Lower, aluminium liquid to it is dirty when, the liquid level in chute is higher, and the defluent flow velocity of aluminium liquid is larger, the liquid level reduction of chute, aluminium liquid
Flow velocity reduces；Similarly, when the liquid level of ship type casting ladle is higher, the flow rate of aluminium liquid at distributor stem bar is larger, ship type casting ladle liquid
Flow velocity at face height reduction, distributor stem bar reduces.The flow velocity of this distributor stem bar is still non-constant, so this distribution
Device is not suitable for centrifugal casting device still.Secondly, aluminium liquid will be introduced into ship type casting ladle, and pouring device is entered back into afterwards, in this mistake
Aluminium liquid and extraneous contact area are increased in journey, the temperature of aluminium liquid can be reduced.In addition, during whole feed liquor aluminium liquid liquid
Still want and air contact in face, it is impossible to avoid aluminium liquid from aoxidizing.
The content of the invention
The spun casting feeding device that aluminium liquid is aoxidized uniformly is prevented it is an object of the invention to provide a kind of feed liquor.
To reach above-mentioned purpose, the technical scheme is that：A kind of uniform feeding device of spun casting, including cavity,
Drive mechanism, cavity be connected with for feed liquor feed tube and be used to slidably connect Ke Yanshui in the mozzle of liquid, cavity
Square to motion piston；Piston one end is connected with connecting rod；Drive mechanism drives piston uniform motion by connecting rod.
In use, opening motor, motor drive link, connecting rod band piston moves reciprocatingly.When initial, piston is close to chamber
Body front end, connecting rod band piston is moved backward, and now metal liquid flows into cavity by feed tube.Metal liquid enters in cavity
Afterwards, connecting rod drives piston advances forward, and the metal liquid in cavity is pressed into centrifugal casting device by piston by mozzle.
During metal liquid enters centrifugal casting device from cavity, metal liquid is pressed under the extruding of piston
In centrifugal casting device, metal liquid is completely filled with the cavity space between piston and cavity front end, therefore the molten metal in cavity
Liquid level keeps constant, it is possible to influence of the liquid level to metal liquid flow velocity in cavity is excluded completely, so in work
When filling in uniform motion, the speed that the metal liquid in cavity enters mozzle is identical, it is possible to realize uniform feed liquor.Secondly,
Metal liquid directly enters feeding device from smelting furnace, reduces the storage device of metal liquid, can shorten feed liquor flow,
Simplify device, prevent molten metal temperature reduction.In addition, in whole feed liquor process, metal liquid is without empty directly with the external world
Gas is contacted, and can effectively prevent metal liquid to be oxidized.
Prioritization scheme one, as the further improvement to base case, in addition to the first check valve being arranged on cavity
With the second check valve, feed tube is connected by the first check valve with cavity, and catheter is connected by the second check valve with cavity.The
One check valve is the check valve of feed liquor, and the second check valve is the check valve for liquid.Piston is moved backward, and negative pressure is formed in cavity,
Metal liquid enters cavity from the first check valve, but air can not enter cavity from the second check valve；Piston advances forward,
Malleation is formed in cavity, now molten metal can only be forced out cavity from the second check valve, so when piston moves reciprocatingly, nothing
It need to set switch that the automatic feed liquor of molten metal can be achieved and goes out liquid on feed tube and catheter.
Prioritization scheme two, as the further improvement to prioritization scheme one, the first check valve and the second check valve are respectively provided with
In cavity one end relative with piston.Now the initial position of piston can be the inner side for being close to cavity and piston opposite side
Wall, when the metal liquid in by cavity is pressed into centrifugal casting device, piston movement to initial position now can be by cavity
All metal liquids press-in centrifugal casting device, there is no metal liquid residual in cavity, it is possible to avoid last-to-freeze liquid
Body, prevent metal liquid from being cooled down in cavity.
Prioritization scheme three, as the further improvement to prioritization scheme two, piston outer rim is provided with sealing ring, sealing ring material
For exotic material.Sealing ring plays sealing function, the metal liquid press-in spun casting dress in piston advances forward, cavity
When putting, sealing ring can prevent metal liquid from being spilt between piston and cavity inner wall；Moved backward in piston, by metal liquid
When sucking cavity, sealing ring can prevent air from entering cavity, can maintain the negative pressure in cavity, make that gas will not be produced in cavity
Bubble, it is possible to further avoid metal liquid and air contact rear oxidation.
Prioritization scheme four, as the further improvement to prioritization scheme three, is provided with limitation piston moving range in cavity
Limited block, piston-swept volume is equal to the molten metal scale of construction needed for one workpiece of manufacture.Limited block can ensure piston per complete
Into once moving back and forth, the amount into the metal liquid of centrifugal casting device is the amount that manufactures a workpiece, can accurately be limited
Liquid inlet volume, it is to avoid the waste of unnecessary molten metal, it can be ensured that the specification of workpieces each cast is identical.
Prioritization scheme five, as the further improvement to prioritization scheme four, in addition to water conservancy diversion house steward, water conservancy diversion house steward with it is multiple
Mozzle is connected, and the metal liquid in cavity sequentially enters the water conservancy diversion house steward.When carrying out direct casting, in first cavity
Metal liquid completely into water conservancy diversion house steward while, the metal liquid in second cavity initially enters water conservancy diversion house steward, with this
Analogize, until metal liquid constantly enters water conservancy diversion house steward, continuous feed can be realized with this, the charging of direct casting is met
It is required that.Secondly, each cavity size is identical, and the speed of cavity inner carrier motion is also identical, therefore enters the metal liquid of mozzle
Flow velocity it is also identical, so at water conservancy diversion house steward enter centrifugal casting device metal liquid flow velocity keep constant, Ke Yishi
Existing uniformly continuous charging, makes the workpiece quality of casting more preferable.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Fig. 1 is the sectional view of the cavity of embodiment 1；
Fig. 2 is the top view of embodiment 2.
Embodiment
Reference is：Cavity 1, piston 2, connecting rod 3, feed tube 4, catheter 5, the first check valve 6, the second check valve 7,
Sealing ring 8, limited block 9, drain house steward 10.
Embodiment 1
It is provided with unidirectionally to enter in such as Fig. 1, a kind of uniform feeding device of spun casting, including cavity 1, motor, the front end side wall of cavity 1
First check valve 6 of liquid and the second check valve 7 for unidirectionally going out liquid, the first check valve 6 are connected with the feed tube 4 for feed liquor, the
Two check valves 7 are connected with the catheter 5 for going out liquid.The piston 2 that can be moved in the horizontal direction is slidably connected in cavity 1, it is living
Filling in the splicing of 2 outer rims has sealing ring 8, and the rear inside wall of cavity 1 is provided with limited block 9, when the rear wall of piston 1 abuts limited block 9, living
Volume between plug 2 and the front end of cavity 1 is equal to the amount of the metal liquid of one workpiece of casting.The rear end of piston 2 is welded with connecting rod 3,
Motor drive link 3, piston 2 does reciprocating motion at the uniform velocity in the horizontal direction in cavity 1.
During work, catheter 5 is connected with centrifugal casting device, feed tube 3 is connected with smelting furnace, piston 2 is close to
The leading inside wall of cavity 1 is placed, and opens motor.Motor drive link 3 is moved backward, and piston 2 is moved backward simultaneously, in cavity 1
The aluminium liquid in negative pressure, smelting furnace is formed by feed tube 4 to enter in cavity 1, full of the space between piston 2 and the front end of cavity 1,
Until the rear end of piston 2 props up limited block, piston 2 stops moving backward, and feed liquor process terminates；Motor drive link 3 travels forward,
Piston 2 is travelled forward simultaneously, and the aluminium liquid formed in cavity 1 in malleation, cavity 1 is pressed into catheter 5, is entered by catheter 5
Enter centrifugal casting device.In whole process, the movement velocity of motor drive link 3 is constant.
Embodiment 2
Such as Fig. 2, difference from Example 1 is, in addition to drain house steward 10, and drain house steward 10 connects with two catheters 5.
When needing continuous feed liquor, first drain house steward 10 is connected with centrifugal casting device, two pistons 2 is close to the front end of cavity 1 respectively
Madial wall is placed, and opens first motor, and motor first drives the connecting rod 3 of first cavity 1 to move backward, and aluminium liquid enters first
In cavity, until the piston 2 of first cavity 1 props up limited block 9, motor drives the connecting rod 3 of first cavity 1, makes first
The piston 2 of cavity 1 travels forward, at the same time, opens second motor, and second motor drives the connecting rod of second cavity 1
3, the piston 2 of second cavity 1 is moved backward, aluminium liquid enters in second cavity 1.When the aluminium liquid in first cavity 1 is complete
When portion enters catheter 5, the piston 2 in second cavity 1 starts to travel forward, and the aluminium liquid in second cavity 2 is initially entered
In catheter 5, so repeatedly, the aluminium liquid in two cavitys 1 enters drain house steward 10 in succession, finally enters centrifugal casting device,
Realize automatic continuous feed liquor.
Above-described is only the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these should also be considered as the guarantor of the present invention
Scope is protected, these effects and practical applicability for implementing all without the influence present invention.The present invention omits the technology of description, shape
Shape, construction part are known technology.
Claims (6)
1. a kind of uniform feeding device of spun casting, it is characterised in that：Including cavity（1）, drive mechanism, the cavity（1）Even
It is connected to the feed tube for feed liquor（4）With the mozzle for going out liquid（5）, the cavity（1）Inside slidably connecting can be along level
The piston of direction motion（2）；The piston（2）One end is connected with connecting rod（3）；The drive mechanism can be driven described by connecting rod
Piston（2）Uniform motion.
2. the uniform feeding device of a kind of spun casting according to claim 1, it is characterised in that：It is also described including being arranged on
Cavity（1）On the first check valve（6）With the second check valve（7）, the feed tube（4）Pass through the first check valve（6）With it is described
Cavity（1）Connection, the catheter（5）Pass through the second check valve（7）With the cavity（1）Connection.
3. the uniform feeding device of a kind of spun casting according to claim 1, it is characterised in that：First check valve
（6）With the second check valve（7）It may be contained within the cavity（1）One end relative with piston.
4. the uniform feeding device of a kind of spun casting according to claim 3, it is characterised in that：The piston（2）Outer rim
Provided with sealing ring（8）, the sealing ring（8）Material is exotic material.
5. the uniform feeding device of a kind of spun casting according to claim 4, it is characterised in that：The cavity（1）Inside set
The limited block of restricted piston moving range（9）, the piston（2）Inswept volume is equal to the metal needed for one workpiece of manufacture
Amount of liquid.
6. the uniform feeding device of a kind of spun casting according to claim 5, it is characterised in that：Also include water conservancy diversion house steward
（10）, the water conservancy diversion house steward（10）With multiple mozzles（5）Connection, the cavity（1）Interior metal liquid sequentially enters described
Water conservancy diversion house steward（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302214.8A CN107096901A (en) | 2017-05-02 | 2017-05-02 | A kind of uniform feeding device of spun casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302214.8A CN107096901A (en) | 2017-05-02 | 2017-05-02 | A kind of uniform feeding device of spun casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107096901A true CN107096901A (en) | 2017-08-29 |
Family
ID=59657420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710302214.8A Pending CN107096901A (en) | 2017-05-02 | 2017-05-02 | A kind of uniform feeding device of spun casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107096901A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648058A (en) * | 2019-02-14 | 2019-04-19 | 陈杰 | A kind of centrifugal casting machine of uniform feeding |
| CN109663895A (en) * | 2019-02-14 | 2019-04-23 | 陈杰 | A kind of centre spinning method of uniform feeding |
| CN114653917A (en) * | 2022-03-07 | 2022-06-24 | 山东嘉来顿机械科技有限公司 | Cylinder sleeve processing mode |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002085560A1 (en) * | 2001-04-19 | 2002-10-31 | Alcoa Inc. | Injector for molten metal supply system |
| CN1638896A (en) * | 2001-12-28 | 2005-07-13 | Bbs-丽伐股份公司 | Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| CN1729082A (en) * | 2002-09-30 | 2006-02-01 | 美国艾默生电气公司 | Flow control system |
| CN203404031U (en) * | 2013-08-12 | 2014-01-22 | 东台市明峰机械制造有限公司 | Single-cylinder double-acting slurry delivery pump |
| CN104454497A (en) * | 2013-09-16 | 2015-03-25 | 富鼎电子科技(嘉善)有限公司 | Draining device |
-
2017
- 2017-05-02 CN CN201710302214.8A patent/CN107096901A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002085560A1 (en) * | 2001-04-19 | 2002-10-31 | Alcoa Inc. | Injector for molten metal supply system |
| CN1638896A (en) * | 2001-12-28 | 2005-07-13 | Bbs-丽伐股份公司 | Hydraulic device for pumping molten metal and/or controlling a molten metal flow |
| CN1729082A (en) * | 2002-09-30 | 2006-02-01 | 美国艾默生电气公司 | Flow control system |
| CN203404031U (en) * | 2013-08-12 | 2014-01-22 | 东台市明峰机械制造有限公司 | Single-cylinder double-acting slurry delivery pump |
| CN104454497A (en) * | 2013-09-16 | 2015-03-25 | 富鼎电子科技(嘉善)有限公司 | Draining device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648058A (en) * | 2019-02-14 | 2019-04-19 | 陈杰 | A kind of centrifugal casting machine of uniform feeding |
| CN109663895A (en) * | 2019-02-14 | 2019-04-23 | 陈杰 | A kind of centre spinning method of uniform feeding |
| CN109648058B (en) * | 2019-02-14 | 2021-05-25 | 陈杰 | Centrifugal casting machine capable of feeding uniformly |
| CN109663895B (en) * | 2019-02-14 | 2021-11-12 | 临沂天阔铸造有限公司 | Centrifugal casting method with uniform feeding |
| CN114653917A (en) * | 2022-03-07 | 2022-06-24 | 山东嘉来顿机械科技有限公司 | Cylinder sleeve processing mode |
| CN114653917B (en) * | 2022-03-07 | 2023-09-26 | 山东嘉来顿机械科技有限公司 | Cylinder sleeve processing mode |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |