CN106141102B - A kind of nearly revolving body of titanium alloy casts shell frock processed - Google Patents
A kind of nearly revolving body of titanium alloy casts shell frock processed Download PDFInfo
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- CN106141102B CN106141102B CN201610795850.4A CN201610795850A CN106141102B CN 106141102 B CN106141102 B CN 106141102B CN 201610795850 A CN201610795850 A CN 201610795850A CN 106141102 B CN106141102 B CN 106141102B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/08—Moulding machines for making moulds or cores of particular shapes for shell moulds or shell cores
- B22C13/085—Moulding machines for making moulds or cores of particular shapes for shell moulds or shell cores by investing a lost pattern
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Abstract
The invention discloses a kind of nearly revolving bodies of titanium alloy to cast shell frock processed, belongs to non-ferrous metal investment precision casting technology technical field of research；A kind of titanium alloy rotation body is provided and casts shell frock processed, including preparing the multinomial tool component such as supporting rack, starframe, rotating module can be fixed by assembling, meet the requirement of titanium alloy precision casting coating.Titanium alloy rotation body casts shell frock processed, and stabilized structure, assembling are flexible, easily controllable, while the frock is easy to manufacture, can the steady firm nearly revolving body casting shell of realization titanium alloy.
Description
Technical field
The invention belongs to non-ferrous metal investment precision casting technology technical fields, are related to Ti alloy casting shell frock.
Background technology
Titanium alloy precise-investment casting technique is one of important method for manufacturing complex thin-wall titanium alloy casting, and shell processed is
The process of most critical, especially surface layer and transition zone are coated in investment casting process, are directly related to the surface quality of casting
With the chemical stability of shell.As titanium alloy casting structure is increasingly sophisticated, inner cavity is frequently present of the narrow and small cavity for being not easy to observe
With it is nested, the difficulty being coated with of coating has been significantly greatly increased.Casting is suspended in order to ensure surface layer and transition zone uniformly completely apply
Each position, when shell processed, need continuous rotating module, and coating does not arrhea under the effect of gravity to be dropped down, and can effectively fill module
Interior narrow and small position, and will not cause to accumulate.Previous coating is mostly rotated using hand-held module, and it is low and do not fill to be coated with efficiency
Point；Coating frock prepared by early period, using the round bar of cast iron through center sprue, both ends frame rotates on support shelf, because
This only has the weight that sprue bears module, and module is easily broken off, and can be only applied to single size module, and rotary course is not
Easy to control, it is inconvenient that the asymmetric module in center is rotated.So research structure consolidates, assembles flexible, easily controllable shell work processed
Dress carrys out rotating module, and ensure can be solid and reliable during shell processed, be realize titanium alloy precision casting important step it
One.
The content of the invention
Present invention solves the technical problem that being to provide a kind of nearly revolving body of titanium alloy casts shell frock processed, including preparing branch
The multinomial tool component such as support, starframe can fix rotating module by assembling, meet wanting for titanium alloy precision casting coating
It asks.
The technical scheme is that：A kind of titanium alloy rotation body casts shell frock processed, which is characterized in that includes umbrella
Shape bar, starframe, center supporting plate, center-pole, reinforcing bar, side lever, supporting rack, fixed block and mold；The umbrella shape bar includes
Tablet and cylinder, the end of cylinder is circular tablet, and the other end and the center-pole of cylinder are detachably connected；The starframe
With centre bore, and centrosymmetric several bars of stretching, it is known as extension bar, along the axis direction of bar i.e. along star on extension bar
Shape frame centre normal direction is provided with elongate slots；Center-pole passes through the centre bore of starframe, elongate slots and the side lever gap of extension bar
Cooperation；The center-pole is located at sprue center, and both ends are connected respectively with the umbrella shape bar positioned at both ends, and center-pole is close to one end
Bar on raised cylinder boss, there is hole on cylinder boss, the hole of cylinder boss is inserted into reinforcing bar one end；The center-pole other end with
Starframe and center supporting plate clearance fit；Center supporting plate is clipped among starframe and module tundish；Reinforcing bar is located in cross gate
The heart, is provided with elongate slots in reinforcing bar, and slotting position and size are consistent with starframe in reinforcing bar, the quantity and starframe of reinforcing bar
Extension bar quantity is identical；Side lever both ends have screw thread, and both ends are each passed through the elongate slots of starframe and reinforcing bar, side lever and star
Adjacent position has nut on the inside of shape frame, reinforcing bar, and traversing through end also has nut；The nut of side lever end is unclamped, side lever can
It is moved along the elongate slots of extension bar in centre normal direction；Side lever is parallel to center-pole；There are two supporting rack tools, for limiting
The movement of umbrella shape frame；Two supporting racks are located at reinforcing bar, the both sides of starframe of left and right respectively, and are located at the umbrella shape of left and right respectively
Under bar；Fixed block is connected with supporting rack, by adjusting the position of fixed block, can the cylinder of umbrella shape bar be fixed on supporting rack
A certain position；Mold side and lower openings, form transition cooperation with reinforcing bar and center-pole respectively, and wax liquor is from upper opening
Into dies cavity, center-pole, reinforcing bar, wax-pattern assembly are formed after solidification.
Preferably, extension bar is with four, the six roots of sensation or eight.
Preferably, there are four to eight holes on center-pole cylinder boss.
Preferably, center-pole is uniformly distributed small round platform on one section of cylinder boss one end.
Preferably, each supporting rack topmost welds two nuts, and the cylinder of umbrella shape bar is located at two nuts of supporting rack
Between.
Preferably, fixed block is rectangle, and four sides is slotted, with bolt through fixed block or so corresponding hole and positioned at fixation
The nut of supporting rack in the block is adjusted the position of fixed block by front-rear direction, the cylinder of umbrella shape bar is fixed on a certain position,
The cylinder of umbrella shape bar is located between another nut and fixed block of supporting rack.
Preferably, umbrella shape bar, starframe, center supporting plate, center-pole, reinforcing bar, side lever use carbon steel making.
Preferably, mold uses machining graphite into mold.
Preferably, umbrella shape bar cylinder is threadedly coupled with center-pole.
Preferably, according to casting size, mold is processed.
The solution have the advantages that：
Titanium alloy rotation body casts shell frock processed, and stabilized structure, assembling are flexible, easily controllable, while frock manufacture is held
Easily, can the steadily firm nearly revolving body casting shell of realization titanium alloy, particularly inner cavity complexity large titanium alloy casting, energy
It is enough to form complete uniform coating, Technological Capability is improved, economic benefit and social benefit are good.
Description of the drawings
Fig. 1, umbrella shape bar schematic diagram；
Fig. 2, starframe schematic diagram；
Fig. 3, center supporting plate schematic diagram；
Fig. 4, center-pole schematic diagram；
Fig. 5, reinforcing bar schematic diagram；
Fig. 6, side lever schematic diagram；
Fig. 7, supporting rack schematic diagram；
Fig. 8, fixed block schematic diagram；
Fig. 9, graphite jig schematic diagram；
Figure 10, reinforcing bar, center-pole, graphite jig assembling schematic diagram；
Figure 11, welding module schematic diagram；
Figure 12, shell tooling combination schematic diagram processed；
Figure 13 shells frock (without mold 9) combines schematic three dimensional views；
Figure 14 reinforcing bars, center-pole, wax-pattern assembly.
Wherein, 1. have umbrella shape bar 1, starframe 2, center supporting plate 3, center-pole 4, reinforcing bar 5, side lever 6, supporting rack 7, fixation
Block 8, (graphite) mold 9.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
1st, a kind of titanium alloy rotation body of the invention casts the composition of shell frock processed, include umbrella shape bar 1, starframe 2,
Center supporting plate 3, center-pole 4, reinforcing bar 5, side lever 6, supporting rack 7, fixed block 8 and (graphite) mold 9.Every tool construction and work
With following (be specifically illustrating and see attached drawing 1~9)：
(1) umbrella shape bar 1：As shown in Figure 1, using normal carbon steel making, including tablet and cylinder, the end of cylinder is convex
The circular tablet risen, the other end of cylinder are threadedly coupled with center-pole 4, by pivotal plate module are driven to rotate, put down simultaneously
Plate forms constraint in the horizontal direction, prevents module from coming off in rotary course from supporting rack 7, and in shell drying process
Convenient for being suspended on drying frame.
(2) starframe 2：As shown in Fig. 2, using normal carbon steel making, it is centrosymmetric to stretch out four, the six roots of sensation or eight
Root bar is known as extension bar, is provided with elongate slots (along 2 centre normal direction of starframe) along the axis direction of bar on extension bar；Star
2 center drilling of frame and 4 clearance fit of center-pole (center-pole 4 passes through the centre bore of starframe 2), the elongate slots and side lever of extension bar
6 clearance fits (one end of side lever passes through elongate slots, and traversing through end is fixed by nut), are pre-tightened by the nut of side lever 6 to module
Horizontal direction form constraint, cooperation umbrella shape bar 1 facilitates rotating module, unclamps the nut of 6 end of side lever, and side lever 6 can be along
The elongate slots of extension bar move in centre normal direction, can realize the fixed rotation of different-diameter module.
(3) center supporting plate 3：As shown in figure 3, using normal carbon steel making, center drilling and 4 clearance fit of center-pole,
Center supporting plate is clipped among starframe 2 and module tundish, avoids the destruction that 6 pretightning force of side lever is excessive or spin friction is to module.
(4) center-pole 4：As shown in figure 4, using normal carbon steel making, positioned at module sprue center, 4 liang of center-pole
End is threadedly coupled with umbrella shape bar 1 (cylinder), and close at one end protruding column boss, four to eight holes and reinforcing bar are made a call on boss
5 clearance fits ensure that the rotatory force of umbrella shape bar 1 is transferred to reinforcing bar 5 by 4 boss of center-pole, and then drive the rotation of module.
In order to increase transmission efficiency, the small round platform of uniform welding on one section of one end of center-pole 4, increase and the frictional force of sprue,
(top) other end and 3 clearance fit of starframe 2 and center bracket, can move in the axial direction, realize different height module
Fixed rotation.
(5) reinforcing bar 5：As shown in figure 5, using normal carbon steel making, positioned at cross gate center, increase the strong of cross gate
Degree, avoids destruction of the twisting resistance to cross gate, is provided with elongate slots in reinforcing bar 5, slotting position and size and star in reinforcing bar
Frame is consistent, to realize side lever moving along centre normal direction.The quantity of reinforcing bar 5 and 2 extension bar quantity phase of starframe
Together.
(6) side lever 6：As shown in fig. 6, using normal carbon steel making, both ends are respectively at 5 gap of starframe 2 and reinforcing bar
Cooperation, the both ends of side lever are each passed through the elongate slots of starframe 2 and reinforcing bar 5, side lever with starframe 2,5 inside phase of reinforcing bar
Ortho position is put with nut, and traversing through end (i.e. starframe 2,5 outside adjacent position of reinforcing bar) also has nut, passes through dual nut
It clamps, starframe 2, center bracket, center-pole 4 and reinforcing bar 5 is linked as entirety.Both ends have screw thread.
(7) supporting rack 7：As shown in fig. 7, two identical supporting racks 7, Mei Gezhi are welded into using ordinary carbon steel round bar
7 topmost of support welds two nuts, for limiting the moving range of umbrella shape frame, prevents that module from coming off supporting rack.Two supports
Frame 7 is located at reinforcing bar 5, the both sides of starframe 2 of left and right respectively, and is located at respectively under the umbrella shape bar 1 of left and right.
(8) fixed block 8：As shown in figure 8, using normal carbon steel making, rectangle, four sides fluting and 7 nut of supporting rack
Clearance fit with nut of the bolt through fixed block (the corresponding hole in left and right) and positioned at fixation supporting rack 7 in the block, is realized and propped up
Support connects, and the position of fixed block 8 is adjusted by (front-rear direction), module can be fixed on to a certain position.The circle of umbrella shape bar 1
Column is located between another nut of supporting rack 7 and fixed block 8.
(9) (graphite) mold 9：As shown in figure 9, according to the diameter and height of casting, disc type running channel model is designed, is used
Common graphite is processed into mold, the design of mold and fixed molding and dismounting convenient for wax-pattern, side and lower openings, respectively with
Reinforcing bar 5 and center-pole 4 form transition cooperation, and wax liquor enters dies cavity from upper opening, and disk running channel is formed after solidification, in
Core bar and reinforcing bar are embedded in inside running channel.
Module is casting wax mould, umbrella shape bar 1, starframe 2, center supporting plate 3, side lever 6 and wax-pattern, center-pole 4, reinforcing bar
5 assembly.
2nd, each frock forms titanium alloy rotation body and casts shell work processed according to assembling is combined shown in Figure 10 to Figure 12
Dress.
Combination assembling is carried out to frock, specific assembling is as follows：
(1) graphite jig 9 is dismantled by order from top to bottom, 9 lower openings of mold is inserted into 4 lower end of center-pole, are ensured
Center-pole vertical level installs reinforcing bar 5, appropriate pivot bar 4, it is ensured that reinforcing bar 5 and mold at 4 boss of center-pole
9 lateral openings coordinate.
(2) graphite jig 9 is assembled according to order from down to up, group turns to finish to pour into wax at mould upstream sprue cup
Liquid ensures that center-pole 4 does not glance off, and after wax liquor solidification, opens mold in order, takes out wax-pattern, center-pole 4 and reinforcing bar
5 assembly, the assembly, assembly weld to form module with casting wax mould.
(3) each 6 both ends of side lever are respectively screwed into a nut, and 6 one end of side lever (lower end) is penetrated in 5 slot of reinforcing bar, successively will
Center supporting plate 3, starframe 2 penetrate center-pole 4, and the direction of adjustment starframe 2 makes the side lever other end (top) penetrate starframe
In elongate slots, a nut is then screwed into again at each side lever both ends, and side lever is moved to suitable position along centre normal direction, uses
Nut is tightened, and ensures that side lever is parallel with center-pole and elastic appropriate, finally in the both ends of center-pole installation umbrella shape bar 1.
(4) according to the distance between umbrella shape bar 1, the distance between two supporting racks 7 is rationally set, and fixed block 8 is (also referred to as solid
Determine slot) by being bolted on supporting rack 7 on supporting rack 7, finally module is put on supporting rack 7, and ensures that module exists
Smooth rotation between supporting rack.
Frock assembling combination is completed, and can carry out the shell processed of titanium alloy precision casting, is cast in other approximate revolving structures
During the shell processed of part, as long as side lever 6 is moved along centre normal, starframe 2 is moved along center-pole 4, without remaking frock,
The shell needs processed of different size casting can be met, embody the practicability and versatility of the frock.
Frock fix Ti alloy casting module, carry out paint case making, manual rotation's umbrella shape bar, module can frame in supporting rack
Upper stable rotation ensures being normally carried out for shell processed.
Claims (10)
1. a kind of nearly revolving body of titanium alloy casts shell frock processed, which is characterized in that include umbrella shape bar (1), starframe (2), in
Heart supporting plate (3), center-pole (4), reinforcing bar (5), side lever (6), supporting rack, fixed block and mold (9)；
The umbrella shape bar (1) includes tablet and cylinder, and the end of cylinder is circular tablet, the other end and center-pole of cylinder
(4) it is detachably connected；
The starframe (2) has centre bore, and centrosymmetric several bars of stretching, is known as extension bar, on extension bar
Along the axis direction of bar elongate slots are provided with along starframe (2) centre normal direction；Center-pole (4) is passed through in starframe (2)
Heart hole, elongate slots and side lever (6) clearance fit of extension bar；
The center-pole (4) is located at sprue center, and both ends are connected respectively with the umbrella shape bar (1) positioned at both ends, center-pole (4)
The raised cylinder boss on the bar of one end has hole on cylinder boss, and the hole of cylinder boss is inserted into reinforcing bar (5) one end；In
Core bar (4) other end and starframe (2) and center supporting plate (3) clearance fit；Center supporting plate is clipped in starframe (2) and module tundish
It is intermediate；
Reinforcing bar (5) is located at cross gate center, is provided with elongate slots in reinforcing bar (5), slotting position and size and star in reinforcing bar
Shape frame is consistent, and the quantity of reinforcing bar (5) is identical with starframe extension bar quantity；
Side lever (6) both ends have screw thread, and both ends are each passed through the elongate slots of starframe (2) and reinforcing bar (5), side lever and star
Adjacent position has nut on the inside of frame (2), reinforcing bar (5), and traversing through end also has nut；Unclamp the nut of side lever (6) end, side
Bar (6) can be moved along the elongate slots of extension bar in centre normal direction；Side lever (6) is parallel to center-pole；
There are two supporting rack tools, for limiting the movement of umbrella shape frame；Two supporting racks are located at reinforcing bar (5), the star of left and right respectively
The both sides of shape frame (2), and be located at respectively under the umbrella shape bar (1) of left and right；
Fixed block is connected with supporting rack, by adjusting the position of fixed block, can the cylinder of umbrella shape bar be fixed on supporting rack
A certain position；
Mold (9) side and lower openings, form transition cooperation with reinforcing bar (5) and center-pole (4) respectively, and wax liquor is opened from top
Mouth forms center-pole, reinforcing bar, wax-pattern assembly into dies cavity after solidification.
2. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that extension bar has
Four, the six roots of sensation or eight.
3. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that center-pole cylinder
There are four to eight holes on boss.
4. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that center-pole is close
Small round platform is uniformly distributed on one section of cylinder boss one end.
5. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that each supporting rack
Topmost welds two nuts, and the cylinder of umbrella shape bar is located between two nuts of supporting rack.
6. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that fixed block (8)
For rectangle, four sides is slotted, and with bolt through fixed block or so corresponding hole and the nut positioned at fixation supporting rack in the block, is led to
The position that front-rear direction adjusts fixed block (8) is crossed, the cylinder of umbrella shape bar is fixed on a certain position, the cylinder of umbrella shape bar is located at branch
Between another nut and fixed block (8) of support.
7. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that umbrella shape bar (1),
Starframe (2), center supporting plate (3), center-pole (4), reinforcing bar (5), side lever (6) use carbon steel making.
8. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that mold (9) is adopted
With machining graphite into mold.
9. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that umbrella shape bar (1)
Cylinder is threadedly coupled with center-pole (4).
10. the nearly revolving body of a kind of titanium alloy according to claim 1 casts shell frock processed, which is characterized in that according to casting
Size processes mold.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795850.4A CN106141102B (en) | 2016-08-31 | 2016-08-31 | A kind of nearly revolving body of titanium alloy casts shell frock processed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610795850.4A CN106141102B (en) | 2016-08-31 | 2016-08-31 | A kind of nearly revolving body of titanium alloy casts shell frock processed |
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| CN106141102A CN106141102A (en) | 2016-11-23 |
| CN106141102B true CN106141102B (en) | 2018-05-22 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604536B (en) * | 2018-12-25 | 2021-02-26 | 航天海鹰(哈尔滨)钛业有限公司 | Shell making tool for large-scale titanium alloy investment precision casting |
| CN112355249B (en) * | 2020-10-29 | 2022-05-10 | 中国航发南方工业有限公司 | Coating and hanging tool for preparing shell sample and shell sample preparation method |
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| US5732761A (en) * | 1995-04-03 | 1998-03-31 | Honda Giken Kogyo Kabushiki Kaisha | Shell mold for casting a cylindrical product, apparatus for molding the shell mold, and casting method using the shell mold |
| CN201711792U (en) * | 2010-01-05 | 2011-01-19 | 国营红阳机械厂 | Positioning tooling |
| CN202291247U (en) * | 2011-09-09 | 2012-07-04 | 北京星航机电设备厂 | Vacuum casting graphite mould for titanium alloy rotation frame parts |
| CN103418990A (en) * | 2012-05-24 | 2013-12-04 | 上海茂德企业集团有限公司 | Machining method and special fixture for pump block |
| CN104043851A (en) * | 2014-06-10 | 2014-09-17 | 西安航天动力机械厂 | Tool for processing cylindrical workpiece |
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2016
- 2016-08-31 CN CN201610795850.4A patent/CN106141102B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732761A (en) * | 1995-04-03 | 1998-03-31 | Honda Giken Kogyo Kabushiki Kaisha | Shell mold for casting a cylindrical product, apparatus for molding the shell mold, and casting method using the shell mold |
| CN201711792U (en) * | 2010-01-05 | 2011-01-19 | 国营红阳机械厂 | Positioning tooling |
| CN202291247U (en) * | 2011-09-09 | 2012-07-04 | 北京星航机电设备厂 | Vacuum casting graphite mould for titanium alloy rotation frame parts |
| CN103418990A (en) * | 2012-05-24 | 2013-12-04 | 上海茂德企业集团有限公司 | Machining method and special fixture for pump block |
| CN104043851A (en) * | 2014-06-10 | 2014-09-17 | 西安航天动力机械厂 | Tool for processing cylindrical workpiece |
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| CN106141102A (en) | 2016-11-23 |
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