CN205270766U - A production mould for crouching flange conic section in spiral shell formula high speed centrifugation separating centrifuge - Google Patents
A production mould for crouching flange conic section in spiral shell formula high speed centrifugation separating centrifuge Download PDFInfo
- Publication number
- CN205270766U CN205270766U CN201521126286.4U CN201521126286U CN205270766U CN 205270766 U CN205270766 U CN 205270766U CN 201521126286 U CN201521126286 U CN 201521126286U CN 205270766 U CN205270766 U CN 205270766U
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- China
- Prior art keywords
- sand core
- outer mold
- metal outer
- resin sand
- flange
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000703 high-speed centrifugation Methods 0.000 title abstract 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 72
- 239000002184 metal Substances 0.000 claims abstract description 72
- 239000011347 resin Substances 0.000 claims abstract description 52
- 229920005989 resin Polymers 0.000 claims abstract description 52
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 abstract description 11
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000004382 potting Methods 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 239000008199 coating composition Substances 0.000 description 4
- 238000005242 forging Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910052726 zirconium Inorganic materials 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010011376 Crepitations Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Mold Materials And Core Materials (AREA)
Abstract
The utility model discloses a production mould for crouching flange conic section in spiral shell formula high speed centrifugation separating centrifuge, including metal external mold, resin sand core and baffle, the metal external mold be inside hollow round platform shape, the internal shape phase -match of resin sand core and metal external mold, and the resin sand core cooperation is installed in metal outer mould cavity, formation and the corresponding die cavity of foundry goods between the inside wall of resin sand core's lateral wall and metal external mold, resin sand core is connected with the baffle, and the baffle passes through the taper pin and connects on the metal external mold. Resin sand core opens at the center has potting channel A, and the small -bore end of metal external mold is inboard to have potting channel B with resin sand core, and potting channel B communicates with potting channel A, die cavity respectively, and resin sand core is equipped with the psammitolite sprue gate, and it has the pouring entry to open on the baffle. The utility model discloses a behind the metal external mold, casting defects such as the flanged conic section blank pore -free produced, sand inclusion, crackle, metal external mold and resin sand core be used repeatedly many times, very big reduction manufacturing cost.
Description
Technical field
This utility model relates to horizontal helical type high-speed centrifuge production technical field, particularly relates to a kind of for the production mould of flange cone section in horizontal helical type high-speed centrifuge.
Background technology
At present, the production method of spiral shell formula high-speed centrifuge main element (flanged cone section) is mainly forging method: forging method mainly according to the profile of flanged cone section and size, forges blank, after heat treatment adopts machining molding. Its shortcoming is that endoporus mechanical processing difficulty is bigger, forging process amount is relatively large, product yield is relatively low, the flanged cone section blank cost of forging is high, cause that the integrated cost producing flanged cone section generally can exceed 40% even higher, general manufacturing enterprise cannot bear, and end user is also difficult to bear so high cost. Further, adopt the method easily to produce the casting flaws such as pore, burning into sand, crackle, be still difficult to when machining eliminate, it is impossible to ensure product quality. Meanwhile, using the method to produce flanged cone section blank, its production cycle is longer, and production cost is high.
Utility model content
For the weak point that prior art exists, the purpose of this utility model is in that to provide a kind of for casting flaws such as the production mould of flange cone section in horizontal helical type high-speed centrifuge, the flange produced cone section blank pore-free, burning into sand, crackles.
The purpose of this utility model is achieved through the following technical solutions:
A kind of for the production mould of flange cone section in horizontal helical type high-speed centrifuge, including metal outer mold, resin sand core and baffle plate, described metal outer mold is the truncated conical shape of inner hollow, one end of metal outer mold is small-caliber end, the other end of metal outer mold is heavy caliber end, the middle shaft section of metal outer mold is isosceles-trapezium-shaped, and the small-caliber end of metal outer mold is closed. The cavity shape of described resin sand core and metal outer mold matches, and resin sand core cooperation is installed in metal outer mold inner chamber, forms the die cavity corresponding with foundry goods between lateral wall and the medial wall of metal outer mold of resin sand core. Described resin sand core is fixedly connected with baffle plate near metal outer mold heavy caliber end, and baffle plate is fixedly connected on the heavy caliber end of metal outer mold by taper pin. Described resin sand core center has cast passage A, there is inside metal outer mold small-caliber end cast passage B with resin sand core, cast passage B connects with cast passage A, cast passage B connects with die cavity, resin sand core is provided with near baffle plate side and pours into a mould the passage A core sprue gate being connected, and baffle plate has the cast entrance being connected with core sprue gate.
In order to realize this utility model better, the small-caliber end of described metal outer mold is closed by base, and the inner side of base is filled with resin layer of sand, between described cast passage B resin layer of sand and resin sand core inside base.
Further technical scheme is: the base of described metal outer mold is provided with connecting hole, and the base of metal outer mold is connected on die hoisting by connecting hole.
Forming foundry goods in order to allow better in die cavity, the inner side of described metal outer mold is coated with coating, and its coating formula is as follows: zirconium English powder parts by weight are 59.3, and aluminium polychlorid parts by weight are 3.5, and bentonite parts by weight are 7.5, and water parts by weight are 29.5. Inside metal outer mold, the coating of spraying is also beneficial to the demoulding of casting finished products.
Forming foundry goods in order to allow better in die cavity, the outside of described resin sand core is coated with coating, and its coating formula is as follows: zirconium English powder parts by weight are 59.3, and aluminium polychlorid parts by weight are 3.5, and bentonite parts by weight are 7.5, and water parts by weight are 29.5. Outside resin sand core, the coating of spraying is also beneficial to the demoulding of casting finished products.
This utility model compared with the prior art, has the following advantages and beneficial effect:
After this utility model adopts metal outer mold, the casting flaws such as the flanged cone section blank pore-free produced, burning into sand, crackle, metal outer mold and resin sand core can repeatedly use, greatly reduce production cost, after can guarantee that machining, completed belt flange bores the designing requirement of section simultaneously, meets the normal use in horizontal helical type high-speed centrifuge design period.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, the name corresponding to accompanying drawing labelling in accompanying drawing is called:
1-metal outer mold, 2-resin sand core, 21-core sprue gate, 22-pours into a mould passage, 3-baffle plate, and 31-pours into a mould entrance, 4-taper pin, 5-die cavity, 6-foundry goods, 7-connecting hole.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail:
Embodiment
As shown in Figure 1, a kind of for the production mould of flange cone section in horizontal helical type high-speed centrifuge, including metal outer mold 1, resin sand core 2 and baffle plate 3, metal outer mold 1 is the truncated conical shape of inner hollow, one end of metal outer mold 1 is small-caliber end, the other end of metal outer mold 1 is heavy caliber end, and the middle shaft section of metal outer mold 1 is isosceles-trapezium-shaped, and the small-caliber end of metal outer mold 1 is closed. The cavity shape of resin sand core 2 and metal outer mold 1 matches, resin sand core 2 cooperation is installed in metal outer mold 1 inner chamber, forming the die cavity 5 corresponding with foundry goods 6 between the lateral wall of resin sand core 2 with the medial wall of metal outer mold 1, pouring molten steel can manufacture foundry goods 6 in this die cavity 5. Resin sand core 2 is fixedly connected with baffle plate 3 near metal outer mold 1 heavy caliber end, baffle plate 3 is fixedly connected on the heavy caliber end of metal outer mold 1 by taper pin 4, resin sand core 2 is fixed in metal outer mold 1 by baffle plate 3, taper pin 4, to ensure that resin sand core 2 combination is installed in metal outer mold 1 inner chamber. Resin sand core 2 center has cast passage A22, there is inside metal outer mold 1 small-caliber end cast passage B with resin sand core 2, cast passage B connects with cast passage A22, cast passage B connects with die cavity 5, resin sand core 2 is provided with near baffle plate 3 side and pours into a mould the passage A22 core sprue gate 21 being connected, and baffle plate 3 has the cast entrance 31 being connected with core sprue gate 21.
According to an embodiment of the present utility model, the small-caliber end of metal outer mold 1 is closed by base, and the inner side of base is filled with resin layer of sand, between cast passage B resin layer of sand and resin sand core 2 inside base.
According to an embodiment of the present utility model, the base of metal outer mold 1 is provided with connecting hole 7. The base of metal outer mold 1 is connected on die hoisting by connecting hole 7.
According to an embodiment of the present utility model, the inner side of metal outer mold 1 is coated with coating, and its coating formula is as follows: zirconium English powder parts by weight are 59.3, and aluminium polychlorid parts by weight are 3.5, and bentonite parts by weight are 7.5, and water parts by weight are 29.5. Inside metal outer mold 1, the coating of spraying is also beneficial to the demoulding of casting finished products.
According to an embodiment of the present utility model, the outside of resin sand core 2 is coated with coating, and its coating formula is as follows: zirconium English powder parts by weight are 59.3, and aluminium polychlorid parts by weight are 3.5, and bentonite parts by weight are 7.5, and water parts by weight are 29.5. Outside resin sand core 2, the coating of spraying is also beneficial to the demoulding of casting finished products.
A kind of method preparing flange cone section for the production mould of flange cone section in horizontal helical type high-speed centrifuge, comprises the following steps:
The first step, metal outer mold 1 selects die steel 20CrMo10 grade of steel, carries out charge composition by chemical element in steel, adopts medium-frequency induction furnace melting molten steel, and after molten steel fusing sample analysis chemical composition is qualified, molten steel temperature is come out of the stove when reaching 1620 DEG C.
Second step, metal die blank presses cast shape and size design, adopts phenolic sand molding, after die cavity repaiies type, brushing, mould assembling, is incubated 250 DEG C��300 DEG C, carries out moulding by casting after 2 hours.
3rd step, after metal die (mould that metal outer mold 1 and resin sand core 2 are constituted) casting complete, unpacking after Temperature fall 36 hours, cleaning spray outward appearance makes it expose metal true qualities and can make the degree of visual examination, then removes dead head and overlap, burr with gas cutting.
4th step, metal die rough casting carries out modifier treatment, 880 �� 10 DEG C of air coolings of hardening heat, and temperature 620 �� 10 DEG C 4 hours stoves of insulation are cold.
5th step, carries out machining by design specification size and shape after metal die heat treatment, checks size after having machined.
6th step, after metal die has machined, machined surface carries out nondestructive flaw detection examination, meets I grade of requirement in JB/T4730.5.
Concrete effect: in recent years, this metal die is adopted to produce the flanged cone section product of plurality of specifications, its specification has �� 535/ �� 325 �� 685, �� 495/ �� 305 �� 610, �� 425/ �� 265 �� 540 etc., these flanged cone section blanks are after finished product machine machines thereafter, Non-Destructive Testing all can meet the technology requirement of product, after using, the flanged cone Duan Junyi of all size meets the instructions for use of horizontal helical type high-speed centrifuge, it is ensured that product quality.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (5)
1. the production mould boring section for flange in horizontal helical type high-speed centrifuge, it is characterized in that: include metal outer mold (1), resin sand core (2) and baffle plate (3), the truncated conical shape that described metal outer mold (1) is inner hollow, one end of metal outer mold (1) is small-caliber end, the other end of metal outer mold (1) is heavy caliber end, the middle shaft section of metal outer mold (1) is isosceles-trapezium-shaped, and the small-caliber end of metal outer mold (1) is closed; The cavity shape of described resin sand core (2) and metal outer mold (1) matches, resin sand core (2) cooperation is installed in metal outer mold (1) inner chamber, forms the die cavity (5) corresponding with foundry goods (6) between the lateral wall of resin sand core (2) and the medial wall of metal outer mold (1); Described resin sand core (2) is fixedly connected with baffle plate (3) near metal outer mold (1) heavy caliber end, and baffle plate (3) is fixedly connected on the heavy caliber end of metal outer mold (1) by taper pin (4); Described resin sand core (2) center has cast passage A (22), there is inside metal outer mold (1) small-caliber end cast passage B with resin sand core (2), cast passage B connects with cast passage A (22), cast passage B connects with die cavity (5), resin sand core (2) is provided with near baffle plate (3) side and pours into a mould passage A (22) the core sprue gate (21) being connected, and baffle plate (3) has the cast entrance (31) being connected with core sprue gate (21).
2. the production mould boring section for flange in horizontal helical type high-speed centrifuge described in claim 1, it is characterized in that: the small-caliber end of described metal outer mold (1) is closed by base, the inner side of base is filled with resin layer of sand, and described cast passage B is positioned at the resin layer of sand inside base and between resin sand core (2).
3. the production mould boring section for flange in horizontal helical type high-speed centrifuge described in claim 1 or 2, it is characterised in that: the base of described metal outer mold (1) is provided with connecting hole (7).
4. the production mould boring section for flange in horizontal helical type high-speed centrifuge described in claim 3, it is characterised in that: the inner side of described metal outer mold (1) is coated with coating.
5. the production mould boring section for flange in horizontal helical type high-speed centrifuge described in claim 1, it is characterised in that: the outside of described resin sand core (2) is coated with coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126286.4U CN205270766U (en) | 2015-12-29 | 2015-12-29 | A production mould for crouching flange conic section in spiral shell formula high speed centrifugation separating centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521126286.4U CN205270766U (en) | 2015-12-29 | 2015-12-29 | A production mould for crouching flange conic section in spiral shell formula high speed centrifugation separating centrifuge |
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| Publication Number | Publication Date |
|---|---|
| CN205270766U true CN205270766U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521126286.4U Expired - Fee Related CN205270766U (en) | 2015-12-29 | 2015-12-29 | A production mould for crouching flange conic section in spiral shell formula high speed centrifugation separating centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205270766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309394A (en) * | 2017-08-23 | 2017-11-03 | 湖南财经工业职业技术学院 | Long cylinder ironcasting casting die of the inner chamber with muscle and casting method |
| CN110014123A (en) * | 2019-04-19 | 2019-07-16 | 山东国创风能装备有限公司 | Hundred tonnes of spentnuclear fuels store and transport the moulding process and iron sand group co-casting of integrated canister |
-
2015
- 2015-12-29 CN CN201521126286.4U patent/CN205270766U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309394A (en) * | 2017-08-23 | 2017-11-03 | 湖南财经工业职业技术学院 | Long cylinder ironcasting casting die of the inner chamber with muscle and casting method |
| CN107309394B (en) * | 2017-08-23 | 2019-10-29 | 湖南财经工业职业技术学院 | Long cylinder ironcasting casting die and casting method of the inner cavity with muscle |
| CN110014123A (en) * | 2019-04-19 | 2019-07-16 | 山东国创风能装备有限公司 | Hundred tonnes of spentnuclear fuels store and transport the moulding process and iron sand group co-casting of integrated canister |
| CN110014123B (en) * | 2019-04-19 | 2021-07-06 | 山东国创精密机械有限公司 | Casting method of hundred-ton-grade spent fuel storage and transportation integrated metal container |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190329 Granted publication date: 20160601 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220329 Granted publication date: 20160601 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 |