CN204747463U - Low pressure the gating system of MR coil - Google Patents
Low pressure the gating system of MR coil Download PDFInfo
- Publication number
- CN204747463U CN204747463U CN201520475380.4U CN201520475380U CN204747463U CN 204747463 U CN204747463 U CN 204747463U CN 201520475380 U CN201520475380 U CN 201520475380U CN 204747463 U CN204747463 U CN 204747463U
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- China
- Prior art keywords
- coil
- die cavity
- hole
- ingate
- cross gate
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- Expired - Fee Related
Links
- 238000005266 casting Methods 0.000 claims abstract description 19
- 230000000630 rising effect Effects 0.000 claims description 19
- 238000005520 cutting process Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004382 potting Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a low pressure the gating system of MR coil, relates to the low pressure casting field. Water including MR coil die cavity and with MR coil die cavity is connected, MR coil die cavity comprises cover two drums together, two drums link together through the gusset, water by the sprue, have the cross gate that the ring -type was watered and was radially watered, first flow gate and second flow gate are constituteed, the center of cross gate sets up the through -hole that communicates with the sprue, be provided with the through -hole that feeds through with first flow gate along the outer circumference of cross gate, the through -hole that is provided with with second flow gate intercommunication is watered to the ring -type, the sprue grafting feeds through formation potting channel at the through -hole that is lieing in the cross gate center, the second flow gate and the grafting first flow gate in the circumference through -hole outside the cross gate that water, radially water and peg graft in the through -hole is watered to the ring -type through the ring -type on the cross gate each other. The utility model discloses system's feeding capacity is very strong, and easy cutting, and can make cutting back MR coil surface smooth.
Description
Technical field
The utility model relates to low pressure casting field, particularly a kind of low-pressure casting system of MR coil.
Background technology
Because MR coil (NMR coil) size is larger, its diameter is generally 1.8 meters, height is generally 1.6 meters, its complex structure, and wall unevenness, wall thickness place reaches 56mm, the thin place of wall only has 12mm, by traditional casting method, not easily cast, not yet have at present and utilize the method for cast to manufacture the method for MR coil.
Utility model content
The utility model provides a kind of low-pressure casting system of MR coil, solves the problem cannot poured into a mould MR coil, and its structure is simple, is convenient to realize, easy to use.
The technical scheme that the utility model adopts is: a kind of low-pressure casting system of MR coil, the running channel comprising MR coil die cavity and be connected with MR coil die cavity, its technical essential is: described MR coil die cavity is made up of two cylinders be nested together, two cylinders by link of boards together, described running channel is by sprue, with the cross gate of ring-type running channel and radial running channel, first ingate and the second ingate composition, the center of cross gate arranges the through hole be communicated with sprue, the through hole be communicated with the first ingate is provided with along cross gate excircle, ring-type running channel is provided with the through hole be communicated with the second ingate, sprue is plugged on the through hole being positioned at cross gate center, communicates with each other to be formed pour into a mould passage by the ring-type running channel on cross gate, radial running channel and the second ingate be plugged in ring-type running channel through hole and the first ingate be plugged in cross gate excircle through hole,
At described MR coil die cavity inner circle upper surface along the circumferential direction, lower surface is along the circumferential direction provided with the rising head corresponding with the first ingate and bars position, cross gate is communicated with the rising head of upper surface with MR die cavity inner circle lower surface by the second ingate;
Described MR coil die cavity cylindrical upper surface circumferencial direction is provided with the rising head corresponding with the first ingate and bars position, and cast passage is communicated with rising head by the die cavity of MR cylindrical.
As a kind of preferred version of the present utility model, be also provided with chill at the outer surface of described MR coil die cavity.
As another kind of preferred version of the present utility model, be also provided with chill at the inner surface of described MR coil die cavity.
As another preferred version of the present utility model, described rising head is evenly distributed on upper surface and the lower surface of MR coil die cavity inner circle.
As another preferred version of the present utility model, the radial running channel on described cross gate is uniformly distributed.
Advantage of the present utility model and good effect are: the low-pressure casting system of this MR coil, be made up of two cylinders be nested together, two cylinders by link of boards together, running channel is by sprue, form with the cross gate of ring-type running channel, radial running channel and the first ingate and the second ingate, this scheme is beneficial to making mould, saves the consumption of solution and sand.At MR coil die cavity inner circle upper surface along the circumferential direction, lower surface is along the circumferential direction provided with the rising head corresponding with the first ingate and bars position, MR coil die cavity cylindrical upper surface circumferencial direction is provided with the rising head corresponding with the first ingate and bars position, feeding capacity is very strong, easy cutting, and after can making cutting, MR coil surface is smooth.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the low-pressure casting system construction drawing of MR coil;
Fig. 2 is cross gate structural representation;
Fig. 3 is chill structural representation;
Sequence number is described as follows: 1 sprue, 2 cross gates, 2-1 ring-type running channel, 2-2 radial running channel, 2-3 through hole, 3 ingates, 3-1 first ingate, 3-2 second ingate, 4MR coil die cavity, 5 rising heads, 6 chills, 6-1 external chill, 6-2 internal densener.
Detailed description of the invention
Concrete structure of the present utility model is described in detail according to Fig. 1 ~ 3.
The low-pressure casting system of the MR coil in the present embodiment, the running channel comprising MR coil die cavity 4 and be connected with MR coil die cavity.This MR coil die cavity 4 is made up of two cylinders be nested together, and two cylinders by link of boards together.In the present embodiment, two cylinders are connected by 9 gussets, and MR coil die cavity is aluminum, and its outer cylinder diameter is about 1687mm, and thickness is about 40mm, and height is about 438mm, and its inner cylinder diameter is about 876mm, and thickness is about 31mm, and height is about 1500mm.MR coil die cavity 4 in the present embodiment manufactures in accordance with the following steps:
Step 1: first utilize resin sand to carry out moulding, coremaking according to MR coil shape.
Step 2: obtained casting mold mold cavity surface is brushed with special-purpose fire-resistant coating and toasts.
Step 3: play core, mould assembling successively.
Step 4: be placed into after mould assembling on graphite crucible smelting furnace and carry out low-pressure casting, pouring temperature 730 DEG C ~ 735 DEG C, fills type speed 4.5cm/s, investing time 10s, dwell time 2000s.Sand removal: the workpiece after casting can sand removal after naturally cooling 48 hours, takes out blank.
The running channel of the present embodiment is by sprue 1, form with the cross gate 2 of ring-type running channel 2-1 and radial running channel 2-2 and ingate 3, and the radial running channel 2-2 on cross gate 2 is evenly distributed, and ingate 3 comprises the first ingate 3-1 and the second ingate 3-2.
The center of cross gate 2 arranges the through hole 2-3 be communicated with sprue 1, is provided with the through hole be communicated with the first ingate 3-1 along cross gate 2 excircle, and ring-type running channel 2-1 is provided with the through hole be communicated with the second ingate 3-2; Sprue 1 is plugged on the through hole 2-3 being positioned at cross gate 2 center, by the ring-type running channel 2-1 on cross gate 2, radial running channel 2-2 be plugged on the second ingate 3-2 in ring-type running channel through hole and the first ingate 3-1 be plugged in cross gate excircle through hole and communicate with each other to be formed and pour into a mould passage.
At MR coil die cavity 4 inner circle upper surface along the circumferential direction, lower surface is along the circumferential direction provided with the rising head 5 corresponding with the first ingate 3-1 and bars position, rising head 5 is evenly distributed on upper surface and the lower surface in garden in MR coil die cavity, and cross gate 2 is communicated with the inner circle rising head 5 of upper surface with MR die cavity 3 inner circle lower surface by the second ingate 3-2.
MR coil die cavity 4 cylindrical upper surface circumferencial direction is provided with the rising head 5 corresponding with the first ingate 3-1 and bars position, and cast passage is communicated with cylindrical rising head 5-1 by the die cavity of MR cylindrical.
External chill 6-1 is also provided with at the outer surface of MR coil die cavity.Internal densener 6-2 is also provided with at the inner surface of MR coil die cavity.Chill 6 is made up of external chill 6-1 and internal densener 6-2.
After low-pressure casting is shaping, cuts away sprue 1, cross gate 2, ingate 3 and rising head 5 part, MR coil can be obtained.
Although the foregoing describe detailed description of the invention of the present utility model, but the those skilled in the art in this area are to be understood that, these only illustrate, can make various changes or modifications, and do not deviate from principle of the present utility model and essence to these embodiments.Scope of the present utility model is only defined by the appended claims.
Claims (5)
1. the low-pressure casting system of a MR coil, the running channel comprising MR coil die cavity and be connected with MR coil die cavity, it is characterized in that: described MR coil die cavity is made up of two cylinders be nested together, two cylinders by link of boards together, described running channel is made up of sprue, cross gate, the first ingate and the second ingate with ring-type running channel and radial running channel, the center of cross gate arranges the through hole be communicated with sprue, be provided with the through hole be communicated with the first ingate along cross gate excircle, ring-type running channel is provided with the through hole be communicated with the second ingate; Sprue is plugged on the through hole being positioned at cross gate center, communicates with each other to be formed pour into a mould passage by the ring-type running channel on cross gate, radial running channel and the second ingate be plugged in ring-type running channel through hole and the first ingate be plugged in cross gate excircle through hole;
At described MR coil die cavity inner circle upper surface along the circumferential direction, lower surface is along the circumferential direction provided with the rising head corresponding with the first ingate and bars position, cross gate is communicated with the rising head of upper surface with MR die cavity inner circle lower surface by the second ingate;
Described MR coil die cavity cylindrical upper surface circumferencial direction is provided with the rising head corresponding with the first ingate and bars position, and cast passage is communicated with rising head by the die cavity of MR cylindrical.
2. the low-pressure casting system of MR coil as claimed in claim 1, is characterized in that: be also provided with chill at the outer surface of described MR coil die cavity.
3. the low-pressure casting system of MR coil as claimed in claim 1, is characterized in that: be also provided with chill at the inner surface of described MR coil die cavity.
4. the low-pressure casting system of MR coil as claimed in claim 1, is characterized in that: described rising head is evenly distributed on upper surface and the lower surface of MR coil die cavity inner circle.
5. the low-pressure casting system of MR coil as claimed in claim 1, is characterized in that: the radial running channel on described cross gate is evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520475380.4U CN204747463U (en) | 2015-07-06 | 2015-07-06 | Low pressure the gating system of MR coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520475380.4U CN204747463U (en) | 2015-07-06 | 2015-07-06 | Low pressure the gating system of MR coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204747463U true CN204747463U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520475380.4U Expired - Fee Related CN204747463U (en) | 2015-07-06 | 2015-07-06 | Low pressure the gating system of MR coil |
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| CN (1) | CN204747463U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513631A (en) * | 2016-11-21 | 2017-03-22 | 山西江淮重工有限责任公司 | Runner structure of differential-pressure casting formation |
| 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 |
| CN109663890A (en) * | 2017-10-17 | 2019-04-23 | 洛阳乾中新材料科技有限公司 | A kind of manufacturing method of tin class casting |
| CN113967729A (en) * | 2021-10-22 | 2022-01-25 | 贵州航天风华精密设备有限公司 | Double-compensation interrupted antigravity pouring system and pouring method for aluminum alloy casting |
-
2015
- 2015-07-06 CN CN201520475380.4U patent/CN204747463U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513631A (en) * | 2016-11-21 | 2017-03-22 | 山西江淮重工有限责任公司 | Runner structure of differential-pressure casting formation |
| CN109663890A (en) * | 2017-10-17 | 2019-04-23 | 洛阳乾中新材料科技有限公司 | A kind of manufacturing method of tin class casting |
| 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 |
| CN113967729A (en) * | 2021-10-22 | 2022-01-25 | 贵州航天风华精密设备有限公司 | Double-compensation interrupted antigravity pouring system and pouring method for aluminum alloy casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |