CN106077501B - A kind of the drying bracket and drying device of pump vane casting gypsum mould - Google Patents
A kind of the drying bracket and drying device of pump vane casting gypsum mould Download PDFInfo
- Publication number
- CN106077501B CN106077501B CN201610657223.4A CN201610657223A CN106077501B CN 106077501 B CN106077501 B CN 106077501B CN 201610657223 A CN201610657223 A CN 201610657223A CN 106077501 B CN106077501 B CN 106077501B
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- China
- Prior art keywords
- chassis
- gypsum mould
- drying
- bracket
- conical baffled
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
-
- 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
- B22C9/043—Removing the consumable pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
- B22C9/28—Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of drying bracket of pump vane casting gypsum mould and drying devices, including a chassis, be equipped on the chassis circle be connected with it is conical baffled, the top surface on chassis is the inclined-plane that surrounding is high, centre is low, center chassis is equipped with centre bore, and conical baffled top surface is equipped with multiple adjustable for height plain cushions.It is conical baffled to make to flow to chassis along it after low-melting alloy fusing in plaster core, it is flowed out from the centre bore on chassis；Plain cushion height is adjustable above and below, so that plain cushion is held on the downside of gypsum mould outer toroid, gypsum mould is avoided to deform.
Description
Technical field
The present invention relates to a kind of drying brackets and drying device for pump vane casting gypsum mould.
Background technology
Monoblock type impeller is the core component of turbo type engine, centrifugal compressor or centrifugal pump.The big multi wall of impeller is thin,
Leaf curling, complicated, dimensional accuracy and surface roughness requirements are high, in order to obtain precision and the high leaf of surface roughness
Wheel is then cast using advanced gypsum mould.
Gypsum mould needs to be dried before use, and the fusible pattern heating and melting inside plaster core is fallen, while by gypsum
Interior moisture drying, dry bracket used at present is more simple, is easy to damage gypsum mould, influences surface quality.
And impeller core production method is complicated, of high cost, and greatly increasing for cost can be brought if dry go wrong,
Since impeller core has, shape is special, each section thickness difference is big, has a plurality of gap among core, and distribution of weight is uneven,
It is placing and is being susceptible to crackle in drying process, needing to be supported (as shown in Figure 1) core in border.But due to core
Bottom surface cannot be guaranteed situations such as substantially flat, dry bracket use for a long time has slight deformation.
Invention content
In order to solve the problems, such as that pump vane casting gypsum mould is dried, the invention discloses a kind of dedicated pump vane casting gypsum moulds to use
Drying bracket and drying device.
The technical solution adopted by the present invention is as follows：
A kind of dry bracket, including a chassis, the top surface on the chassis are one to the recessed concave surface of center chassis, in institute
The center chassis stated is equipped with centre bore；It is equipped with that a circle is connected with it in the chassis edge placement and is used to support and waits doing
The support plate of dry device；Support plate is used to support device to be dried, makes in device to be dried after the fusing of low melting point fusible pattern along it
Chassis is flowed to, the concave design on chassis makes the fusible pattern after melting be flowed out from the centre bore on chassis along the top surface on chassis.
The support device be it is conical baffled, conical baffled top be equipped with multiple supporting surfaces for treating drying device into
The regulating device that row height is adjusted；It is conical baffled to make to flow to chassis along it after low-melting alloy fusing in plaster core, the bottom of from
The centre bore of disk flows out；Regulating device height is adjustable above and below, can smoothly hold on the downside of gypsum mould outer toroid, to ensure week
Circle has support to core, and gypsum mould is avoided to deform.
Further, it is equipped with equal height cushion block slot in the chassis, contour pad is inlaid in the equal height cushion block slot
Plaster core bottom is held on block, chassis；Cooperation area can be reduced using equal height cushion block, increases gypsum in gypsum mould drying process
The heating surface area of type bottom surface is conducive to core drying.
Further, the equal height cushion block includes multiple, and multiple equal height cushion blocks are uniformly arranged in equal height cushion block slot.
Further, the regulating device includes the upper press ring being arranged at conical baffled top, on the upper press ring
Multiple adjustable for height plain cushions are set.
Further, multiple plain cushions are uniformly fixed on upper press ring by bolt, and realize that height is adjusted.
Further, multiple plain cushions are uniformly fixed on upper press ring, ensure the uniform force of plaster core.
Further, the chassis is equipped with chassis pressure ring, and chassis pressure ring is mounted on by bolt in chassis.
Further, conical baffled outer ring is additionally provided with supporting rod.
The purposes of the bracket is dried for pump vane casting gypsum mould.
A kind of drying device, including the drying bracket.
Further, fusible pattern accommodating case corresponding with center chassis hole there are one being set in the bottom of the dry bracket.
The purposes of the drying device is dried for pump vane casting gypsum mould.
The application method of the present invention is as follows：
The gypsum mould for recording forming is lain in a horizontal plane on equal height cushion block using special hanger；By adjusting on upper press ring
Adjustment bolt, so that plain cushion height is moved up and down, so that plain cushion is held on the downside of gypsum mould outer toroid, gypsum mould is avoided to deform.
After assembling, drying device and gypsum mould are put in drying machine, gypsum mould is dried, drying process
In, the fusings such as fusible pattern such as low-melting alloy, paraffin in plaster core flow into lower section fusible pattern along the inclined-plane of pedestal from centre bore
In accommodating case, expendable pattern material recycling is collected.
After drying, gypsum mould taking-up is positioned on finishing frame, clears up whose surfaces undesired impurities.
Beneficial effects of the present invention：
The present invention solves in impeller plaster core drying process stress not by the way that equal height cushion block and equal height cushion block is arranged
, it the problems such as deformation, crackle, improves impeller plaster core and dries 30% or more yield rate, and make fusible pattern used in making gypsum mould
It can melt, collect, recycle, economize on resources.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 plaster cores are susceptible to the position of crackle in the drying process；
Structure chart of Fig. 2 present invention in use state；
The front view of Fig. 3-1 brackets；
The vertical view of Fig. 3-2 brackets；
The front view on the chassis Fig. 4-1；
The vertical view on the chassis Fig. 4-2；
The front view of Fig. 5-1 upper press rings；
The vertical view of Fig. 5-2 upper press rings；
The front view of the chassis Fig. 6-1 pressure ring；
The vertical view of the chassis Fig. 6-2 pressure ring；
Vertical view conical baffled Fig. 7；
The front view of Fig. 8-1 plain cushions；
The vertical view of Fig. 8-2 plain cushions；
In figure：1 plaster core, 2 fusible pattern accommodating cases, 3 is conical baffled, 4 equal height cushion blocks, 5 chassis, 6 supporting rods, 7 adjustment spiral shells
Bolt, 8 plain cushions, 9 upper press rings, 10 chassis pressure rings, 11 centre bores, 12 threaded holes.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail：
The dry bracket as described in background technology is more simple, is easy to damage gypsum mould, influences surface matter
Amount.And impeller core production method is complicated, of high cost, and be easy in drying process cracked in the position shown in the figure 1 (as schemed
Shown in 1), it can bring greatly increasing for cost, the serious quality that can influence impeller if drying is cracked；For this this hair
It is bright to propose a kind of new drying bracket, including a chassis, the taper that a circle is connected with it is installed on the chassis
Baffle, the top surface on chassis are the inclined-plane that surrounding is high, centre is low, and center chassis is equipped with centre bore, and conical baffled top surface is equipped with more
A adjustable for height plain cushion；It is conical baffled to make to flow to chassis along it after low-melting alloy fusing in plaster core, from chassis
Centre bore flows out；Plain cushion height is adjustable above and below, so that plain cushion is held on the downside of gypsum mould outer toroid, gypsum mould is avoided to deform.
Further, it is equipped with equal height cushion block slot in chassis, equal height cushion block, bottom are inlaid in the equal height cushion block slot
Disk holds plaster core bottom；Cooperation area can be reduced using equal height cushion block, is conducive to gypsum mould and places steadily；Increase gypsum
The heating surface area of gypsum mould bottom surface in type drying process is conducive to core drying.
Further, equal height cushion block includes multiple, and multiple equal height cushion blocks are uniformly arranged in equal height cushion block slot, preferably
, equal height cushion block here is set as 6.
Further, conical baffled top surface is equipped with upper press ring, and the upper press ring is mounted on taper by adjusting bolt
At the top of baffle.
Further, multiple plain cushions are uniformly fixed on upper press ring, ensure the uniform force of plaster core.
To be further illustrated to the present invention, present invention combination attached drawing, by taking the gypsum mould that pump vane casting uses as an example,
The present invention is further detailed, the drying device of pump vane casting gypsum mould as shown in Figure 2, including dry bracket,
And fusible pattern accommodating case corresponding with dry bracket center chassis hole 2 there are one being set in the bottom of dry bracket；On dry bracket
Plaster core 1 is installed；When plaster core 1 is dried, fusible pattern such as low-melting alloy, paraffin in plaster core etc. is molten
Change, is flowed into lower section fusible pattern accommodating case 2 from centre bore along the inclined-plane of pedestal, collect expendable pattern material recycling.
Carrier structure is dried as shown in Fig. 3-1,3-2, includes mainly：Chassis, pedestal pressure ring, equal height cushion block, support
Bar, conical baffled, plain cushion, upper press ring, it is specific as follows：
The outer ring that a circle is connected with it conical baffled 3, conical baffled 3 are equipped on chassis 5 is equipped with supporting rod 6 to it
It is supported；Conical baffled 3 are fixedly mounted on by connector on chassis 5, and connector described here can be bolt, screw
Deng, but this kind of connector is not limited.
Conical baffled 3 taper can be adjusted as needed.
The top surface on chassis 5 is the inclined-plane that surrounding is high, centre is low, and center chassis is equipped with centre bore 11；When dry, taper gear
Plate 3 makes in plaster core after fusible pattern fusing along the conical baffled top surface for flowing to chassis, then since top surface is inclined surface, fusible pattern
It flows out, enters in fusible pattern accommodating case 2 from the centre bore 11 on chassis along inclined surface after fusing.
Further, the chassis structure as shown in Fig. 4-1,4-2 is equipped with equal height cushion block slot in the top surface on chassis 5, is waiting
Multiple equal height cushion blocks 4 are inlaid in high cushion block slot, multiple equal height cushion blocks 4 hold plaster core；It can be reduced using equal height cushion block 4
Coordinate area, is conducive to plaster core 1 and places steadily；The heating surface area for increasing gypsum mould bottom surface in gypsum mould drying process, has
It is dried conducive to core；
The wherein quantity of equal height cushion block 4 generally no less than four, can ensure the stability of plaster core in this way, certainly etc.
4 quantity of high cushion block can also be less than four, and particular number can be adjusted according to practical situation.
Specifically chassis structure is：
5 top surface of chassis structure low between surrounding senior middle school is inclined-plane, and the angle between inclined-plane and centre bore axis is α, α
Angle is less than 90 degree, so that low-melting alloy is flowed to interstitial hole along chassis surface in fusing, is repeated convenient for collecting
It utilizes.
Further, the chassis pressure ring as shown in Fig. 6-1,6-2 is a cyclic structure, is equipped in cyclic structure
Multiple threaded holes 12；Chassis pressure ring is mounted on by bolt on chassis.
Further, conical baffled 3 as shown in Figure 7 are the structure of a cylindrical taper, and upper part is heavy caliber
Structure, lower part are osculum gauge structure；Lower part is connected by attachment device with chassis, and top is connected with upper press ring 9, it is conical baffled can
So as to flow to chassis along baffle after low-melting alloy fusing in plaster core.
It is equipped with upper press ring 9 at conical baffled 3 top, the upper press ring 9 is mounted on conical baffled 3 by adjusting bolt
Top；Multiple plain cushions 8 are evenly provided on upper press ring 9, the plain cushion 8 is bolted on upper press ring；Pass through
The adjustment bolt on upper press ring 9 is adjusted, 8 height of plain cushion is made to move up and down, so that plain cushion is held on the downside of gypsum mould outer toroid, avoids
Gypsum mould deforms.
Wherein, the upper press ring structure as shown in Fig. 5-1,5-2 is a cyclic structure, is equipped in cyclic structure more
A threaded hole 12.
The plain cushion 8 as shown in Fig. 8-1,8-2 is a L-type structure, and L-type structure is installed on upper press ring 9, and is passed through
Bolt is fixed.
Further, application method of the invention is as follows：
The gypsum mould for recording forming is lain in a horizontal plane on equal height cushion block 4 using special hanger；By adjusting upper press ring
On adjustment bolt, so that 8 height of plain cushion is moved up and down, so that plain cushion is held on the downside of gypsum mould outer toroid, gypsum mould is avoided to deform.
After assembling, drying device and gypsum mould are put in drying machine, gypsum mould is dried, drying process
In, the fusings such as fusible pattern such as low-melting alloy, paraffin in plaster core flow into lower section fusible pattern along the inclined-plane of pedestal from centre bore
In accommodating case, expendable pattern material recycling is collected.
After drying, gypsum mould taking-up is positioned on finishing frame, clears up whose surfaces undesired impurities.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (5)
1. a kind of drying bracket for gypsum mould, which is characterized in that including a chassis, the top surface on the chassis be one to
The recessed concave surface of center chassis is equipped with centre bore in the center chassis；The chassis edge placement be equipped with a circle and
Its is connected and is used to support the support plate of device to be dried；The support plate is conical baffled, and conical baffled top is set
There are multiple supporting surfaces to drying device to carry out the regulating device of height adjusting；Equal height cushion block slot is equipped in the chassis,
It is inlaid with equal height cushion block in the equal height cushion block slot；
The regulating device includes the upper press ring being arranged at conical baffled top, and multiple height are arranged on the upper press ring can
The plain cushion of tune；
Multiple plain cushions are uniformly fixed on upper press ring by bolt, and realize that height is adjusted；
The chassis is equipped with chassis pressure ring, and chassis pressure ring is mounted on by bolt in chassis.
2. the purposes for the drying bracket of gypsum mould as described in claim 1, which is characterized in that be used for pump vane casting gypsum
Type is dried.
3. a kind of drying device, which is characterized in that the drying bracket including being used for gypsum mould as described in claim 1.
4. drying device as claimed in claim 3, which is characterized in that there are one being set in the bottom of the dry bracket and chassis
The corresponding fusible pattern accommodating case of centre bore.
5. the purposes of drying device as claimed in claim 3, which is characterized in that dried for pump vane casting gypsum mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657223.4A CN106077501B (en) | 2016-08-11 | 2016-08-11 | A kind of the drying bracket and drying device of pump vane casting gypsum mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610657223.4A CN106077501B (en) | 2016-08-11 | 2016-08-11 | A kind of the drying bracket and drying device of pump vane casting gypsum mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106077501A CN106077501A (en) | 2016-11-09 |
| CN106077501B true CN106077501B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610657223.4A Active CN106077501B (en) | 2016-08-11 | 2016-08-11 | A kind of the drying bracket and drying device of pump vane casting gypsum mould |
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| CN (1) | CN106077501B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968154A (en) * | 2017-12-14 | 2019-07-05 | 永川区仙龙镇叶兵石材加工厂 | A kind of arc stone sander |
| CN110508753B (en) * | 2019-09-23 | 2021-10-12 | 共享装备股份有限公司 | Supporting device for hub sand core |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5344427A (en) * | 1976-10-05 | 1978-04-21 | Kubota Ltd | Method to manufacture propellers by using extinguishable pattern |
| CN202461433U (en) * | 2012-02-20 | 2012-10-03 | 昆明云内动力股份有限公司 | Casting stationary fit sand core pressing device |
| CN203281816U (en) * | 2013-05-15 | 2013-11-13 | 马鞍山市万鑫铸造有限公司 | Support plate structure for drying mold cores |
| CN103691889B (en) * | 2013-12-17 | 2016-04-06 | 齐齐哈尔轨道交通装备有限责任公司 | A kind of core holder of whole sand core of swing bolster |
| CN203830678U (en) * | 2013-12-19 | 2014-09-17 | 西南铝业（集团）有限责任公司 | Core support |
| CN203877793U (en) * | 2014-01-26 | 2014-10-15 | 中国建筑第八工程局有限公司 | Tower crane base leveling structure |
| CN205996118U (en) * | 2016-08-11 | 2017-03-08 | 山东豪迈机械科技股份有限公司 | A kind of pump vane casting gypsum mould bracket and drying device are dried |
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- 2016-08-11 CN CN201610657223.4A patent/CN106077501B/en active Active
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| CN106077501A (en) | 2016-11-09 |
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