CN109014110A - A kind of casting of evaporative pattern Centrifugal vibration and molding sand jolt ramming all-in-one machine - Google Patents
A kind of casting of evaporative pattern Centrifugal vibration and molding sand jolt ramming all-in-one machine Download PDFInfo
- Publication number
- CN109014110A CN109014110A CN201811172795.9A CN201811172795A CN109014110A CN 109014110 A CN109014110 A CN 109014110A CN 201811172795 A CN201811172795 A CN 201811172795A CN 109014110 A CN109014110 A CN 109014110A
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- China
- Prior art keywords
- turntable
- molding sand
- machine
- jolt ramming
- main shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/10—Compacting by jarring devices only
- B22C15/12—Compacting by jarring devices only involving mechanical gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- 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
-
- 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
- B22D13/101—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/08—Shaking, vibrating, or turning of moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The present invention relates to casting equipment fields, specifically a kind of evaporative pattern Centrifugal vibration casting and molding sand jolt ramming all-in-one machine, including the main shaft being distributed along the vertical direction, the lower end of main shaft is rotatably provided on pedestal, the upper end of main shaft is fixed with the turntable of horizontal distribution, it is equipped with the driving device for driving turntable to rotate on pedestal, exciting device is equipped on turntable.The present invention can avoid being segregated during Invensment centrifugal casting, and oxide etc. generates, and shortens the duration of pouring, improve casting efficiency, during molding sand jolt ramming, avoid the mass defects such as long packet, the case that rises.
Description
Technical field
The present invention relates to casting equipment field, specifically a kind of evaporative pattern Centrifugal vibration casting and molding sand jolt ramming one
Machine.
Background technique
Centrifugal casting technique can be used for producing the products such as spun cast pipe, cylinder cap, roll, axle sleeve, bearing shell, according to casting mold axis
Space position, centrifugal casting machine can be divided into horizontal and two kinds vertical, can be divided into water cooling and thermodyn process according to production method.
Compared with sand casting: 1, the consistency of centrifugal casting casting is high, and the scarce limit such as stomata slag inclusion is less;2, with type core when producing casting
It is less;3, almost without the consumption of the molten metal of running gate system and runner system, product yield is higher;4, by means of centrifugation masterpiece
It has been improved the mobility of casting process metal, it can be with production thin-section casting;5, production has the casting of rotation center such as to manage, take turns
It is more convenient.
But there is also following disadvantages for centrifugal casting technique: 1, alloying component cannot mutually be melted or early solidification precipitate
Density be also easy to produce segregation when differing larger with metal liquid;2, the casting inner surface produced is rougher, there is oxide and slag
Deng generation, and hole size precision is not high, it is sometimes desirable to be machined out to inner wall;3, can be only applied to shape simply has rotation
The castings production of shaft axis, application surface are relatively narrow;4, the duration of pouring is longer, by taking centrifugal casting pipe as an example, DN80--300 1--
2min, DN400--700 are 2--4 minutes, and DN800-1000 is 6--8 minutes, and the duration of pouring lengthens the danger that will increase operation
Property;5, the price of centrifugal casting machine is higher, and the device is complicated, complicated for operation, and precision is poor.
The case plain bumper in the prior art that does is vibrated under the action of vibrating motor exciting force simultaneously.Make sand stream
It is dynamic.But some biggish position centers of plane or the corner of some complicated casting, type under the action of exciting force
Sand cannot reach the position, lead to the mass defects such as long packet, the case that rises occur.
Summary of the invention
The present invention is intended to provide a kind of evaporative pattern Centrifugal vibration casting and molding sand jolt ramming all-in-one machine, in Invensment centrifugal casting
It avoids being segregated in the process, oxide etc. generates, and shortens the duration of pouring, improves casting efficiency and avoids during molding sand jolt ramming
The mass defects such as long packet, the case that rises.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of casting of evaporative pattern Centrifugal vibration and
Molding sand jolt ramming all-in-one machine, including the main shaft being distributed along the vertical direction, the lower end of main shaft is rotatably provided on pedestal, main shaft it is upper
End is fixed with the turntable of horizontal distribution, and the driving device for driving turntable to rotate is equipped on pedestal, is equipped on turntable
Exciting device.
Preferably, it is equipped with the bracket for accepting simultaneously tight flask on the top surface of turntable, is equipped on bracket for sandbox
The track of sliding.
Preferably, exciting device includes the multiple shock electric machines being annularly evenly distributed on bracket, in bracket and turntable
Between be equipped with resilient cushion.
Preferably, main shaft is hollow shaft, and corresponding offer is connected to spindle cavity on turntable, resilient cushion and bracket
Through-hole.
Preferably, further include for avoid turntable generate eccentric rotary position-limit mechanism, position-limit mechanism includes uniform intervals
Multiple first idler wheels of turntable outer rim are distributed in, the wheel shaft of the first idler wheel is fixed on the base along the vertical direction, the first idler wheel
The side wall of wheel rim and turntable rotatably cooperates.
Preferably, position-limit mechanism further includes that the limit annulus being coaxially fixed on turntable bottom surface and being evenly spaced on is limiting
Multiple second idler wheels of circle of position ring inner edge, the wheel shaft of the second idler wheel are fixed on the base along the vertical direction, the wheel rim of the second idler wheel
Rotatably cooperate with the inner edge of limit annulus.
It preferably, further include the supporting mechanism for being used to support turntable rotation, supporting mechanism includes coaxially being distributed in a ring
Multiple third idler wheels of turntable bottom, the wheel shaft of third idler wheel are distributed in the horizontal direction and fix with pedestal, the wheel of third idler wheel
The bottom of edge and turntable rotatably cooperates.
Preferably, it is equipped with the axis hole for main axis on pedestal, is equipped between main shaft and axis hole and matches for main axis
The bearing of conjunction.
Preferably, the outer rim of turntable is equipped with outer gear ring, and uniform intervals engagement is connected with multiple transmission gears in outer gear ring, passes
Moving gear is connect with the first driving motor.
Preferably, it is equipped with belt wheel on main shaft, and is rotated by the second driving motor by transmission belt driving spindle.
Beneficial effect
Evaporative pattern Centrifugal vibration casting of the invention and molding sand jolt ramming all-in-one machine can make the sandbox jolt ramming in lost foam casting production
It is completed on the same device with centrifugal casting, improves the production efficiency of casting.
During centrifugal casting, molten metal is flowed under the action of centrifugal force and exciting force dual dynamics, a side
The mold-filling capacity of molten metal can be improved in face, makes the smooth fracture increased, and crystal grain more refines, and further increases product
Consistency;On the other hand, gas and slag can be discharged under the action of centrifugal force and exciting force, improve the quality of liquid, thus
Improve properties of product.
During jolt ramming molding sand, can effectively improve lost-foam casting model vanning when molding sand filling dynamics, reduce by
It fills not in place in molding sand and generates the mass defects as caused by bin packing such as length, the case that rises.
Detailed description of the invention
Fig. 1 is longitudinal profile structure schematic of the invention;
Fig. 2 is top view of the invention;
Marked in the figure: the 1, first idler wheel, 2, third idler wheel, 3, limit annulus, the 4, second idler wheel, 5, turntable, 6, resilient cushion, 7, branch
Frame, 8, track, 9, shock electric machine, 10, main shaft, 11, bearing, 12, pedestal.
Specific embodiment
As shown in Figures 1 and 2, a kind of evaporative pattern Centrifugal vibration of the invention casting and molding sand jolt ramming all-in-one machine, including edge
The main shaft 10 of vertical direction distribution, the lower end of main shaft 10 are rotatably provided on pedestal 12, and pedestal 12 is horizontally set on workshop base
Stablize support in seat or melt pit to provide.The upper end of main shaft 10 is fixed with the turntable 5 of horizontal distribution, is equipped with and uses on pedestal 12
In the driving device that driving turntable 5 rotates, exciting device is equipped on turntable 5.The cooperation of driving device and exciting device, so that
It is acted on during sandbox jolt ramming by centrifugal force and improves molding sand filling dynamics;It will so that being acted on during centrifugal casting by exciting
The smooth fracture increased, crystal grain more refine, and further increase the consistency of product.And sandbox jolt ramming and centrifugal casting exist
It is spaced and completes in same equipment, avoid sandbox in the reciprocal transhipment of each workshop section, save manpower and material resources, improve production
Efficiency.
Pedestal 12 is circle or rectangular, is mixed and is transported using welded steel, moulding by casting, steel screw connection or above method
With being made.Settable adjustment 10 gradient of main shaft of pedestal 12 and then the adjustment mechanism for adjusting 5 level of turntable.In the present embodiment
12 center of pedestal offer the axis hole being rotatably assorted for 10 lower end of main shaft, settable 1-2 bearing 11 is used in axis hole
In the stability for keeping main shaft 10.
Turntable 5 is circle, and 0.5 meter of diameter or more, thickness is at 10 centimetres or more.It is equipped on the top surface of turntable 5 for holding
The bracket 7 for connecing simultaneously tight flask is equipped with the track 8 for sandbox convenient for sliding disengaging on bracket 7.Exciting device includes annular in shape
The height of the multiple shock electric machines 9 and shock electric machine 9 that are evenly distributed on bracket 7 is lower than 8 plane of track, and shock electric machine 9 is can
Frequency modulation (0-200HZ or more) or fixed frequency.Resilient cushion 6 is additionally provided between bracket 7 and turntable 5, resilient cushion 6 can be used
Abrasive rubber material production, to avoid or reduce interference of multiple shock electric machines 9 for 5 stable rotation of turntable.
Main shaft 10 is hollow shaft, and corresponding offer is connected to 10 cavity of main shaft on turntable 5, resilient cushion 6 and bracket 7
Through-hole.In lost foam casting casting process, the inner cavity of hollow shaft and multiple corresponding through-holes are born for what receiving was connect with sandbox
Pressure pipeline.The rotation of turntable 5 in the present invention can be accomplished in several ways: outer gear ring, external tooth can be arranged in the outer rim of turntable 5
Uniform intervals engagement is connected with multiple transmission gears on circle, and transmission gear is connect with the first driving motor.It can also be on main shaft 10
Belt wheel is set, and is rotated by the second driving motor by transmission belt driving spindle 10.First driving motor and the second driving motor
Speed regulating motor or variable-frequency motor may be selected.
And in order to guarantee the stability in 5 rotation process of turntable, the invention also includes for avoiding turntable 5 from generating eccentric turn
Dynamic position-limit mechanism and the supporting mechanism for being used to support the rotation of turntable 5.
Position-limit mechanism include be evenly spaced on 5 outer rim of turntable multiple first idler wheels 1 and be coaxially fixed on 5 bottom of turntable
Limit annulus 3 on face and it is evenly spaced on multiple second idler wheels 4 in limit 3 inner edge of annulus.The wheel shaft edge of first idler wheel 1
Vertical direction is fixed on pedestal 12, and the wheel rim of the first idler wheel 1 rotatably cooperates with the side wall of turntable 5.The wheel shaft of second idler wheel 4
It is fixed on pedestal 12 along the vertical direction, the inner edge of the wheel rim and limit annulus 3 of the second idler wheel 4 rotatably cooperates.Supporting mechanism,
Supporting mechanism includes the multiple third idler wheels 2 for being coaxially distributed in 5 bottom of turntable in a ring, and the wheel shaft of third idler wheel 2 is along level side
To distribution and fixed with pedestal 12, the wheel rim of third idler wheel 2 rotatably cooperates with the bottom of turntable 5.The rolling of first idler wheel 1, second
It is clearance fit between wheel 4 and third idler wheel 2 and turntable 5, it is intended that correct and generate by a relatively large margin inclined in 5 rotation process of turntable
The heart and vibration.
Claims (10)
1. a kind of evaporative pattern Centrifugal vibration casting and molding sand jolt ramming all-in-one machine, it is characterised in that: including what is be distributed along the vertical direction
Main shaft (10), the lower end of main shaft (10) are rotatably provided on pedestal (12), and the upper end of main shaft (10) is fixed with horizontal distribution
Turntable (5), on pedestal (12) be equipped with for drive turntable (5) rotate driving device, on turntable (5) be equipped with exciting fill
It sets.
2. a kind of evaporative pattern Centrifugal vibration casting according to claim 1 and molding sand jolt ramming all-in-one machine, it is characterised in that:
The top surface of turntable (5) is equipped with the bracket (7) for accepting simultaneously tight flask, and the rail slided for sandbox is equipped on bracket (7)
Road (8).
3. a kind of evaporative pattern Centrifugal vibration casting according to claim 2 and molding sand jolt ramming all-in-one machine, it is characterised in that: swash
Vibrating device includes the multiple shock electric machines (9) being annularly evenly distributed on bracket (7), is set between bracket (7) and turntable (5)
There are resilient cushion (6).
4. a kind of evaporative pattern Centrifugal vibration casting according to claim 3 and molding sand jolt ramming all-in-one machine, it is characterised in that: main
Axis (10) is hollow shaft, and corresponding offer is connected to main shaft (10) cavity on turntable (5), resilient cushion (6) and bracket (7)
Through-hole.
5. a kind of evaporative pattern Centrifugal vibration casting according to claim 1 and molding sand jolt ramming all-in-one machine, it is characterised in that: also
Including for avoid turntable (5) generate eccentric rotary position-limit mechanism, position-limit mechanism include be evenly spaced on turntable (5) outside
Multiple first idler wheels (1) of edge, the wheel shaft of the first idler wheel (1) are fixed on along the vertical direction on pedestal (12), the first idler wheel (1)
The side wall of wheel rim and turntable (5) rotatably cooperates.
6. a kind of evaporative pattern Centrifugal vibration casting according to claim 5 and molding sand jolt ramming all-in-one machine, it is characterised in that: limit
Position mechanism further includes the limit annulus (3) being coaxially fixed on turntable (5) bottom surface and is evenly spaced in limit annulus (3)
Multiple second idler wheels (4) of edge, the wheel shaft of the second idler wheel (4) are fixed on along the vertical direction on pedestal (12), the second idler wheel (4)
Wheel rim and the inner edge of limit annulus (3) rotatably cooperate.
7. a kind of evaporative pattern Centrifugal vibration casting according to claim 1 and molding sand jolt ramming all-in-one machine, it is characterised in that: also
Supporting mechanism including being used to support turntable (5) rotation, supporting mechanism include coaxially being distributed in the more of turntable (5) bottom in a ring
A third idler wheel (2), the wheel shaft of third idler wheel (2) is distributed in the horizontal direction and, the wheel of third idler wheel (2) fixed with pedestal (12)
The bottom of edge and turntable (5) rotatably cooperates.
8. a kind of evaporative pattern Centrifugal vibration casting according to claim 1 and molding sand jolt ramming all-in-one machine, it is characterised in that:
Pedestal (12) is equipped with the axis hole rotated for main shaft (10), is equipped between main shaft (10) and axis hole and is rotatably assorted for main shaft (10)
Bearing (11).
9. a kind of evaporative pattern Centrifugal vibration casting according to claim 1 and molding sand jolt ramming all-in-one machine, it is characterised in that: turn
The outer rim of disk (5) is equipped with outer gear ring, and uniform intervals engagement is connected with multiple transmission gears in outer gear ring, and transmission gear and first drive
Dynamic motor connection.
10. a kind of evaporative pattern Centrifugal vibration casting according to claim 1 and molding sand jolt ramming all-in-one machine, it is characterised in that:
It is equipped with belt wheel on main shaft (10), and is rotated by the second driving motor by transmission belt driving spindle (10).
Priority Applications (1)
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CN201811172795.9A CN109014110A (en) | 2018-10-09 | 2018-10-09 | A kind of casting of evaporative pattern Centrifugal vibration and molding sand jolt ramming all-in-one machine |
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CN201811172795.9A CN109014110A (en) | 2018-10-09 | 2018-10-09 | A kind of casting of evaporative pattern Centrifugal vibration and molding sand jolt ramming all-in-one machine |
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CN201811172795.9A Withdrawn CN109014110A (en) | 2018-10-09 | 2018-10-09 | A kind of casting of evaporative pattern Centrifugal vibration and molding sand jolt ramming all-in-one machine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110548851A (en) * | 2019-08-29 | 2019-12-10 | 卓然(靖江)设备制造有限公司 | Radial vibration centrifugal casting method |
CN110788284A (en) * | 2019-10-21 | 2020-02-14 | 安徽省辉煌机械制造有限公司 | Vibrating table for modeling nodular cast iron casting |
CN112191809A (en) * | 2020-10-15 | 2021-01-08 | 韶关一本机械设备有限公司 | Forming device of horizontal modeling production line |
CN112548036A (en) * | 2021-01-06 | 2021-03-26 | 洛阳佳会机械科技有限公司 | Production process for lost foam centrifugal casting |
-
2018
- 2018-10-09 CN CN201811172795.9A patent/CN109014110A/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110548851A (en) * | 2019-08-29 | 2019-12-10 | 卓然(靖江)设备制造有限公司 | Radial vibration centrifugal casting method |
CN110548851B (en) * | 2019-08-29 | 2021-03-26 | 卓然(靖江)设备制造有限公司 | Radial vibration centrifugal casting method |
CN110788284A (en) * | 2019-10-21 | 2020-02-14 | 安徽省辉煌机械制造有限公司 | Vibrating table for modeling nodular cast iron casting |
CN112191809A (en) * | 2020-10-15 | 2021-01-08 | 韶关一本机械设备有限公司 | Forming device of horizontal modeling production line |
CN112548036A (en) * | 2021-01-06 | 2021-03-26 | 洛阳佳会机械科技有限公司 | Production process for lost foam centrifugal casting |
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Application publication date: 20181218 |