CN206578279U - Aluminium wheels casting flaw control device - Google Patents
Aluminium wheels casting flaw control device Download PDFInfo
- Publication number
- CN206578279U CN206578279U CN201720294139.0U CN201720294139U CN206578279U CN 206578279 U CN206578279 U CN 206578279U CN 201720294139 U CN201720294139 U CN 201720294139U CN 206578279 U CN206578279 U CN 206578279U
- Authority
- CN
- China
- Prior art keywords
- thermal insulation
- ceramic thermal
- cast gate
- control device
- casting flaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model is related to the technical field of aluminium wheels casting, more particularly, to a kind of aluminium wheels casting flaw control device, including ceramic thermal insulation set, stalk, cast gate, ceramic thermal insulation is set on the top of stalk, cast gate is arranged in the upper port of ceramic thermal insulation set, the heater strip that heating is controlled by controller is provided with the side wall of ceramic thermal insulation set, provided with the thermistor being connected with controller on the lateral wall that ceramic thermal insulation covers, thermistor is either provided with the side wall of ceramic protective sleeve, thermistor in the wall of ceramic protective sleeve side is close or is close to heater strip.Advantage is：Temperature controlled precision is high, effectively solves cast gate and solidifies in advance and produce shrinkage cavity, loose, even cast gate and block and stop the anomalies such as production.
Description
Technical field
The utility model is related to the technical field of aluminium wheels casting, controls to fill more particularly, to a kind of aluminium wheels casting flaw
Put.
Background technology
Founding drawback of castings Heuristics is practical result and the crystallization of wisdom of numerous founders author, prevention and
Handling in terms of corresponding casting flaw has very high guiding value.Aluminium alloy wheel hub ceramic thermal insulation in low pressure casting process
It is set on above stalk, cast gate is arranged on the upper port of ceramic thermal insulation set.According to low pressure casting aluminum alloy wheel hub aluminum solutions
Consecutive solidification program, upper wheel rim from top to bottom progressively solidifies, and lower wheel rim from bottom to top solidifies, and spoke ecto-entad progressively solidifies,
Then solidify, solidified at last cast gate at mounting surface.Whole low pressure casting process ensures that final set is whole wheel hub at cast gate
The key of feeding, is also to ensure that the key factor of casting interior quality, in low pressure casting aluminum alloy wheel hub production process, if
Cast gate and ceramic thermal insulation set regional temperature are too low, will cause the solidification in advance of aluminum solutions here, on the one hand will cause wheel hub office
Portion feeding is not enough, at thermal center point, the formation shrinkage cavity of wheel rim, spoke, Xie Anmian, mounting surface or the casting flaw such as loose；On the other hand
It is also possible to causing aluminium liquid frozen plug in ceramic thermal insulation set, cause casting process is stifled to pour lip reflex, cause board under mould,
Have a strong impact on normal production routine.At present, the Improving Measurements to the casting flaw are by iron cast gate spray coating heat preservation coating, used
The preferable ceramic thermal insulation set of heat insulating ability, the ratio for being protected by using heat insulating refractory material, increasing stalk and gate diameter etc.
Measure, but still had in low pressure casting production process for the product that wheel-type is larger, dwell period is longer because cast gate shifts to an earlier date
Solidify and produce shrinkage cavity, loose, even cast gate and block and stop the anomalies such as production, and temperature controlled precision is not
It is high.
The content of the invention
The deficiency existed for above-mentioned prior art, the purpose of this utility model is to provide a kind of temperature controlled precision
It is high, effectively solve cast gate and solidify in advance and produce shrinkage cavity, loose, even cast gate and block and stop the aluminium of the anomalies such as production
Wheel hub casting flaw control device.
To realize above-mentioned purpose, the utility model provides following technical scheme：
A kind of aluminium wheels casting flaw control device, including ceramic thermal insulation set, stalk, cast gate, ceramic thermal insulation set are set
In the top of stalk, cast gate is arranged in the upper port of ceramic thermal insulation set, is provided with the side wall of ceramic thermal insulation set by controller
The heater strip of heating is controlled, provided with the thermistor being connected with controller on the lateral wall that ceramic thermal insulation covers, or in pottery
Thermistor is provided with the side wall of porcelain protective case, the thermistor in the wall of ceramic protective sleeve side is close or is close to heating
Silk.
The utility model is further arranged to：The heater strip is in the side wall that ceramic thermal insulation covers and close to ceramic thermal insulation
The position of the internal chamber wall side of set.
The utility model is further arranged to：It is provided with and is upwardly into by lower nozzle spiral along its inner tubal wall in the stalk
The helicla flute of upper orifice.
The utility model is further arranged to：Internal diameter is gradually reduced from the bottom to top for the inner chamber of the ceramic thermal insulation set.
The utility model is further arranged to：The lower port of the cast gate is connected and internal diameter with the upper accent that ceramic thermal insulation covers
It is equal.
The utility model is further arranged to：The internal diameter of the cast gate is gradually increased by lower port to upper port.
By using above-mentioned technical proposal, the technique effect that the utility model is reached is：By the way that heater strip is directly set
Put in ceramic thermal insulation set, faster can more accurately accomplish preferably heating and temperature control, Er Qietong to ceramic thermal insulation set
The setting of thermistor is crossed, just further causes temperature controlled precision more preferably, cast gate is effectively solved and solidifies and produce in advance
Raw shrinkage cavity, loose, even cast gate block and stop the anomalies such as production.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is sectional structure principle schematic of the present utility model.
Embodiment
Reference picture 1, is a kind of aluminium wheels casting flaw control device disclosed in the utility model, including ceramic thermal insulation set
10th, stalk 11, cast gate 12, ceramic thermal insulation set 10 are arranged on the top of stalk 11, and cast gate 12 is arranged on ceramic thermal insulation set 10
Upper port on, ceramic thermal insulation set 10 side wall in be provided with by controller control heating heater strip 13, ceramic thermal insulation cover 10
Lateral wall be provided with the thermistor 14 that be connected with controller, or in the side wall of ceramic protective sleeve 10 it is electric provided with temperature-sensitive
Resistance 14, the thermistor 14 in the side wall of ceramic protective sleeve 10 is close or is close to heater strip 13.Wherein, heater strip 13 is preferred
The position for the internal chamber wall side that 10 are covered in 10 side wall and close to ceramic thermal insulation is covered located at ceramic thermal insulation；In stalk 11 along along it
Tube wall is provided with the helicla flute 15 that upper orifice is upwardly into by lower nozzle spiral.In addition, the inner chamber of ceramic thermal insulation set 10 is from the bottom to top
Internal diameter is gradually reduced, and the upper accent of lower port and the ceramic thermal insulation set 10 of cast gate 12 is connected and internal diameter is equal, the internal diameter of cast gate 12
Gradually increased by lower port to upper port.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (6)
1. a kind of aluminium wheels casting flaw control device, including ceramic thermal insulation set, stalk, cast gate, ceramic thermal insulation are set on
The top of stalk, cast gate is arranged in the upper port of ceramic thermal insulation set, it is characterised in that：It is provided with the side wall of ceramic thermal insulation set
The heater strip of heating is controlled by controller, provided with the thermistor being connected with controller on the lateral wall that ceramic thermal insulation covers, or
Person is that thermistor is provided with the side wall of ceramic protective sleeve, and the thermistor in the wall of ceramic protective sleeve side is close or is close to
In heater strip.
2. aluminium wheels casting flaw control device according to claim 1, it is characterised in that：The heater strip is located at ceramics
The position of the internal chamber wall side covered in the side wall of muff and close to ceramic thermal insulation.
3. aluminium wheels casting flaw control device according to claim 1, it is characterised in that：In the stalk along along it
Tube wall is provided with the helicla flute that upper orifice is upwardly into by lower nozzle spiral.
4. the aluminium wheels casting flaw control device according to any one of claims 1 to 3, it is characterised in that：The ceramics
Internal diameter is gradually reduced from the bottom to top for the inner chamber of muff.
5. aluminium wheels casting flaw control device according to claim 4, it is characterised in that：The lower port of the cast gate with
The upper accent of ceramic thermal insulation set is connected and internal diameter is equal.
6. aluminium wheels casting flaw control device according to claim 5, it is characterised in that：The internal diameter of the cast gate is under
Port gradually increases to upper port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720294139.0U CN206578279U (en) | 2017-03-24 | 2017-03-24 | Aluminium wheels casting flaw control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720294139.0U CN206578279U (en) | 2017-03-24 | 2017-03-24 | Aluminium wheels casting flaw control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206578279U true CN206578279U (en) | 2017-10-24 |
Family
ID=60115021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720294139.0U Expired - Fee Related CN206578279U (en) | 2017-03-24 | 2017-03-24 | Aluminium wheels casting flaw control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206578279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743063A (en) * | 2020-12-29 | 2021-05-04 | 上海交通大学 | Exposed heating type lift tube |
-
2017
- 2017-03-24 CN CN201720294139.0U patent/CN206578279U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743063A (en) * | 2020-12-29 | 2021-05-04 | 上海交通大学 | Exposed heating type lift tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171024 Termination date: 20200324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |