CN105215285B - A kind of vibration instrumentation expanding table top casting method - Google Patents
A kind of vibration instrumentation expanding table top casting method Download PDFInfo
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- CN105215285B CN105215285B CN201510708572.XA CN201510708572A CN105215285B CN 105215285 B CN105215285 B CN 105215285B CN 201510708572 A CN201510708572 A CN 201510708572A CN 105215285 B CN105215285 B CN 105215285B
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- table top
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- expanding table
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Abstract
The present invention provides a kind of shake table expanding table top casting technique device and method, comprises the following steps：Step 1：Running gate system is set, and running gate system includes sprue, cross gate, ingate three parts；Step 2：Formative technology, formative form use branch mailbox moulding, using the method moulding for spelling loam core；Step 3：Chill is set, and the shaping position of width and highly larger part sets chill in the vibration instrumentation expanding table top；Step 4：Rising head is set, and hole portion forming part position sets rising head in the vibration instrumentation expanding table top.The present invention realizes the casting of large-scale, special construction shake table expanding table top, achieves casting flawless, without the beneficial effect such as shrinkage cavity defect, superior in quality.
Description
Technical field
The present invention relates to the cast moulding method of alloy workpiece, specially a kind of vibration instrumentation expanding table top casting method,
More particularly to a kind of electric vibration table expanding table top casting technique.
Background technology
Electric vibration table is widely used in aviation, boat as a kind of code test equipment for analog vibration environment
My god, the civilian industry department such as national defense industry field and automobile, building such as weapons, ship, nuclear industry.Its technical merit is at certain
A national Industry Development Level is reflected in degree, thus countries in the world all take much count of the research and development work of electric vibration table
Make.
With the development of science and technology, the thrust of vibration testing systern and frequency improve constantly, the main knot of vibration instrumentation
Component --- vibration instrumentation expanding table top, its structure become increasingly complex, and part also the more does the more big, by original length of side 500mm ×
500mm develops into length of side 2000mm × 2000mm, and its alloy material used is generally cast magnesium alloy or casting almag,
Turn into preferred material because of the features such as bearing high impact load, excellent processing characteristics and relatively low cost, but two kinds of materials
The casting character of material is poor, and the change of its structure snd size further increases casting difficulty.
The mobile performance and hot cracking tendency of cast magnesium alloy or casting almag are general, easily form scattered porosity, shrink
Rate is big, and air-tightness is low, and air-breathing tendency is big；Again because magnesium content is higher, alloy melting difficulty is big.Casting is before running channel and at thermal center
More be also easy to produce shrinkage cavity and porosity defect, if casting Technology Design is improper, casting easily produce shrinkage cavity, it is loose, be mingled with and lacked with crackle
Fall into.
Currently without the explanation or report for finding technology similar to the present invention, money similar both at home and abroad is also not yet collected into
Material.
The content of the invention
In order to solve existing casting technique easily produce casting shrinkage cavity, it is loose, be mingled with and the problems such as crack defect, this
The purpose of invention is to provide a kind of vibration instrumentation expanding table top casting method.Using the present invention, a kind of special construction can be met
Heavy castings --- the production of vibration instrumentation expanding table top.
The casting device of the vibration instrumentation expanding table top provided according to an aspect of the present invention, including running gate system, on
Case die ontology, raising middle flask die ontology and nowel die ontology；
Wherein, the top box die ontology is arranged on the raising middle flask die ontology；The raising middle flask die ontology is arranged on
On the nowel die ontology；
The running gate system connects the raising middle flask die ontology；The running gate system includes sprue, cross gate and interior poured
Road；The ingate includes vertical tube running channel and gap running channel；
The sprue connects the vertical tube running channel and the gap running channel by the cross gate.
Preferably, in addition to screen pack, wherein, the screen pack is arranged on the arrival end of the gap running channel.
Preferably, in addition to the first chill and the second chill；
The raising middle flask die ontology is provided with cylinder chamber, side wall extension of first chill along the cylinder chamber；Institute
The second chill is stated to be arranged on the cylinder chamber upper surface.
Preferably, the top box die ontology is provided with rising head；The rising head includes the first rising head and the second rising head；
Wherein, first rising head is arranged on top box die ontology center, the quantity of second rising head be it is multiple,
Multiple described second emit the circumferential array of top box die ontology described in opening's edge.
Preferably, the upper surface of the nowel die ontology is provided with grey iron block.
The casting method of the vibration instrumentation expanding table top provided according to another aspect of the present invention, comprises the following steps：
Step 1：Running gate system is set, and running gate system includes sprue, cross gate, ingate three parts；
Step 2：Formative technology, formative form use branch mailbox moulding, using the method moulding for spelling loam core；
Step 3：Chill is set, the shaping position of width and highly larger part in the vibration instrumentation expanding table top
Chill is set；
Step 4：Rising head is set, in the hole portion forming part position setting rising head in the vibration instrumentation expanding table top.
Preferably, the ingate includes vertical tube running channel and gap running channel；
The sprue connects the vertical tube running channel and the gap running channel by the cross gate.
Preferably, the formative form uses upper, middle and lower three-cavity moulding, specifically, top box die ontology is arranged on raising middle flask mould
Have on body；Raising middle flask die ontology is arranged on nowel die ontology.
Preferably, the chill can use grey iron block；The rising head uses circular rising head.
Compared with prior art, the present invention has the advantages that：
Shake table expanding table top casting technique of the present invention, due to taking above-mentioned technological measure, it is large-scale, special to realize
The vibration expanding table top of structure, achieve casting flawless, without the beneficial effect such as shrinkage cavity defect, superior in quality.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of vibration instrumentation expanding table top in the present invention；
Fig. 2 is the schematic top plan view of vibration instrumentation expanding table top in the present invention；
Fig. 3 is the schematic front view of vibration instrumentation expanding table top in the present invention.
Wherein, 1 is the first loam core, and 2 be the second loam core, and 3 be the first rising head, and 4 be the second rising head, and 5 be center gusset, and 6 are
Surrounding gusset, 7 be vertical tube running channel, and 8 be gap running channel, and 9 be radiation gusset, and 10 be big plane, and 11 be grey iron block, and 12 be high boss,
13 be the first chill, and 14 be the second chill, and 15 be screen pack, and 16 be cross gate, and 17 be sprue, and 18 be upper middle die joint, 19
Lower die joint in being.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
In the present embodiment, the casting device of vibration instrumentation expanding table top provided by the invention, including running gate system, top box
Die ontology, raising middle flask die ontology and nowel die ontology；
Wherein, the top box die ontology is arranged on the raising middle flask die ontology；The raising middle flask die ontology is arranged on
On the nowel die ontology；The running gate system connects the raising middle flask die ontology；The running gate system include sprue 17,
Cross gate 16 and ingate；The ingate includes vertical tube running channel 7 and gap running channel 8；The sprue 17 horizontal is poured by described
Road 16 connects the vertical tube running channel 7 and the gap running channel 8.
The casting device of vibration instrumentation expanding table top provided by the invention, in addition to screen pack 15, wherein, the screen pack
15 are arranged on the arrival end of the gap running channel.
The casting device of vibration instrumentation expanding table top provided by the invention, in addition to the first chill 13 and the second chill 14；
The raising middle flask die ontology is provided with cylinder chamber, side wall extension of first chill 13 along the cylinder chamber；Described second
Chill 14 is arranged on the cylinder chamber upper surface.The top box die ontology is provided with rising head；The rising head emits including first
The rising head 4 of mouth 3 and second；Wherein, first rising head 3 is arranged on the top box die ontology center, the number of second rising head 4
Measure to be multiple, circumferential array of multiple second rising heads 4 along the top box die ontology.
The upper surface of the nowel die ontology is provided with grey iron block 11.
The casting method of vibration instrumentation expanding table top provided by the invention, comprises the following steps：
Step 1：Running gate system is set, and running gate system includes sprue, cross gate, ingate three parts；Specifically, 24
Chosen in bar radiation gusset 9 non-conterminous 12 radiation gusset be provided opposite to 12 groups of vertical tube running channels 7 and gap running channel 8 combine in pour
Road, ingate can make aluminium alloy flowing steadily, and heat distribution is reasonable, not only improves feeding, is advantageous to scum silica frost again, cross gate is by 12
Ingate is connected around connection, the cross gate center on 4 sides with sprue, takes four sides to pour into a mould, is set before the running channel of gap
There is screen pack 15, can abundant pushing off the slag；
Step 2：Formative technology, formative form use branch mailbox moulding, using the method moulding for spelling loam core；Formative form uses
Upper, middle and lower three-cavity moulding, upper middle die joint are 18, in lower die joint be 19, using the method moulding for spelling loam core, include 1 first
Loam core 1, i.e. top box die ontology and 4 the second loam cores 2, i.e. raising middle flask die ontology, the first loam core are taken the mode for hanging loam core
Ride in 4 the second loam cores placed.
Step 3：Chill is set, the shaping position of width and highly larger part in the vibration instrumentation expanding table top
Chill is set；Specifically, the nowel contacted below big plane 10 lays general grey iron block 11, thickness 40mm, strengthen expanding table top
The Quench of big plane；First chill 13 is set around 8 high boss 12, and the top of high boss sets the second chill 14, thick
Degree is 20mm.
Step 4：Rising head is set, in the hole portion forming part position setting rising head in the vibration instrumentation expanding table top, specifically,
In top box die ontology, the first rising head 3 and the second rising head 4 are set, play feeding effect, the wherein infall of center gusset 5 sets 1
Individual first rising head 3, the infall of surrounding gusset 6 sets 8 the second rising heads 4, the first rising head 3 and totally nine, the second rising head 4, in
The width and thermal center of heart gusset and surrounding gusset are distributed, and the first rising head and the second Riser Dimensions are designed specifically to：Center gusset is handed over
1 the first rising head at fork：￠ 80mm × 200mm (height), 5 ° of gradient, 8 the second rising heads of surrounding gusset infall：￠ 60mm ×
200mm (height), 5 ° of gradient；
The ingate includes vertical tube running channel 7 and gap running channel 8；The sprue 17 connects institute by the cross gate 16
State vertical tube running channel 7 and the gap running channel 8.The formative form uses upper, middle and lower three-cavity moulding, specifically, top box die ontology
It is arranged on raising middle flask die ontology；Raising middle flask die ontology is arranged on nowel die ontology.
The chill can use grey iron block；The rising head uses circular rising head.
The wheel of the maximum vibration expanding table top cast using the casting method of the vibration instrumentation expanding table top in the present invention
Wide size is：Long by 2000 × wide by 2000 × high 600 (mm), in less than this size range, spy is not present in the length of table top
Certainty ratio relation, its center have the reinforcement to surrounding homogeneous radiation.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (4)
1. a kind of casting method of vibration instrumentation expanding table top, it is characterised in that comprise the following steps：
Step 1：Running gate system is set, and running gate system includes sprue, cross gate, ingate three parts；
Step 2：Formative technology, formative form use branch mailbox moulding, using the method moulding for spelling loam core；
Step 3：Chill is set, and the shaping position of width and highly larger part is set in the vibration instrumentation expanding table top
Chill；
Step 4：Rising head is set, and hole portion forming part position sets rising head in the vibration instrumentation expanding table top；
The casting device of the vibration instrumentation expanding table top, including running gate system, top box die ontology, raising middle flask die ontology and under
Case die ontology；
Wherein, the top box die ontology is arranged on the raising middle flask die ontology；The raising middle flask die ontology is arranged on described
On nowel die ontology；
The running gate system connects the raising middle flask die ontology；The running gate system includes sprue（17）, cross gate（16）With
Ingate；The ingate includes vertical tube running channel（7）With gap running channel（8）；
The sprue（17）Pass through the cross gate（16）Connect the vertical tube running channel（7）With the gap running channel（8）；
Also include screen pack（15）, wherein, the screen pack（15）It is arranged on the arrival end of the gap running channel；
Also include the first chill（13）With the second chill（14）；
The raising middle flask die ontology is provided with cylinder chamber, first chill（13）Extend along the side wall of the cylinder chamber；Institute
State the second chill（14）It is arranged on the cylinder chamber upper surface.
2. the casting method of vibration instrumentation expanding table top according to claim 1, it is characterised in that the top box mould sheet
Body is provided with rising head；The rising head includes the first rising head（3）With the second rising head（4）；
Wherein, first rising head（3）It is arranged on the top box die ontology center, second rising head（4）Quantity be more
It is individual, multiple second rising heads（4）Along the circumferential array of the top box die ontology.
3. the casting method of vibration instrumentation expanding table top according to claim 1, it is characterised in that the nowel mould sheet
The upper surface of body is provided with grey iron block（11）.
4. the casting method of vibration instrumentation expanding table top according to claim 1, it is characterised in that the rising head is using circle
Shape rising head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708572.XA CN105215285B (en) | 2015-10-27 | 2015-10-27 | A kind of vibration instrumentation expanding table top casting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510708572.XA CN105215285B (en) | 2015-10-27 | 2015-10-27 | A kind of vibration instrumentation expanding table top casting method |
Publications (2)
| Publication Number | Publication Date |
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| CN105215285A CN105215285A (en) | 2016-01-06 |
| CN105215285B true CN105215285B (en) | 2018-01-30 |
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| CN107876736A (en) * | 2017-12-29 | 2018-04-06 | 洛阳乾中新材料科技有限公司 | Counter-pressure casting pouring gate structure and the casting counter-pressure casting method with the pouring gate structure |
| CN114012036B (en) * | 2021-10-09 | 2023-12-12 | 上海航天精密机械研究所 | Casting method of moving coil casting for cabin vibration test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62240140A (en) * | 1986-04-11 | 1987-10-20 | Kobe Steel Ltd | Stack molding |
| CN102049494B (en) * | 2009-11-03 | 2014-02-19 | 上海航天精密机械研究所 | Casting method of aluminum-magnesium alloy movable coil for vibrating table |
| CN102049472A (en) * | 2009-11-03 | 2011-05-11 | 上海航天精密机械研究所 | Method for casting special case casting core mould |
| CN102836967B (en) * | 2011-06-20 | 2014-12-10 | 中国北车集团大同电力机车有限责任公司 | Hugging-bearing box body casting mold and casting method adopting the same |
| CN102784889B (en) * | 2012-07-27 | 2015-08-19 | 宁夏共享集团有限责任公司 | A kind of casting method of labyrinth thin-wall ductile iron Ship turbine booster foundry goods |
| CN104043780A (en) * | 2014-06-24 | 2014-09-17 | 南通华东油压科技有限公司 | Vane pump casting mold and casting process thereof |
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