CN209614197U - A kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die - Google Patents
A kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die Download PDFInfo
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- CN209614197U CN209614197U CN201920050485.3U CN201920050485U CN209614197U CN 209614197 U CN209614197 U CN 209614197U CN 201920050485 U CN201920050485 U CN 201920050485U CN 209614197 U CN209614197 U CN 209614197U
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- bottom plate
- water cooling
- bolt
- low pressure
- aluminum alloy
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Abstract
The utility model relates to nave boss casting technology field, especially a kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die, the seperated head and the tail of the water cooling independently being had an effect by more than one piece are docked.Above-mentioned water cooling fission includes bottom plate and cover board, offers water cooling groove in bottom plate, cover board forms complete water-cooling channel after being fastened on the bottom plate.Bottom plate is coupled with cover board using bolt.The torque of bolt is not less than 10N.m.Annular seal groove is offered on bottom plate, is configured around water cooling groove.Expanded graphite is filled in annular seal groove.So, when the temperature varies, the gap of bolt and bolt hole can effectively release temperature change caused by deformation quantity, so as to avoid the generation for leading to cracking phenomena due to the cold and hot drastic change in use process, extend the service life of its own, reduce later maintenance cost, it is ensured that the normal operation of nave boss production line.
Description
Technical field
The utility model relates to nave boss casting technology fields, especially a kind of to be suitable for aluminum alloy car wheel low pressure casting die
Aqueous cold plate.
Background technique
In the casting process of nave boss, cooling is a key technology, and the solidifying of casting can be efficiently controlled by strengthening cooling
Gu sequence, the crystallite dimension of refinement casting and raising production efficiency.When the cooling blank for not easilying lead to production at that time generates
The defects of shrinkage porosite, even results in casting and scraps situation appearance when serious.Aqueous cold plate is the critical component for realizing above-mentioned cooling technology,
It is placed in casting mould body, and its own offer in vivo for Cooling Water circulation water-cooling channel.Aqueous cold plate is
Split type structure is made of mutually independent water cooling fission, and in the prior art, above-mentioned water cooling fission includes bottom plate, on it
Mill out water cooling groove in advance, cover board is then welded with right above water cooling groove with formed sealing state water-cooling channel (such as Fig. 2,
Shown in Fig. 3).However, in actual use, as temperature rise suddenly plunge or temperature distributing disproportionation etc. caused by weld seam open
It splits phenomenon to happen occasionally, along the normal operation for affecting foundry production line.Thus, it would be highly desirable to technical staff solves the above problems.
Utility model content
Problem to be solved in the utility model is to provide that a kind of design of structure is simple, the longer aluminium that is suitable for of service life closes
The aqueous cold plate of golden nave boss low pressure casting die.
In order to solve the above-mentioned technical problem, it is suitable for aluminum alloy car wheel low pressure casting die the utility model relates to a kind of
Aqueous cold plate, the seperated head and the tail of the water cooling independently had an effect by more than one piece dock.Above-mentioned water cooling fission includes bottom plate and lid
Plate offers water cooling groove in bottom plate, and cover board forms complete water-cooling channel after being fastened on the bottom plate.Bottom plate and cover board use
Bolt is coupled.The torque of bolt is not less than 10N.m.Annular seal groove is offered on bottom plate, is carried out around water cooling groove
Setting.Expanded graphite is filled in annular seal groove.In addition, also offering the water inlet mutually linked up with water cooling groove on bottom plate
Channel and exhalant canal.
Further, it is provided with threaded hole compatible with bolt on bottom plate, correspondingly, is provided on the cover board and spiral shell
The corresponding bolt hole in pit position.Bolt hole is greater than 0.5~1mm of outer diameter of bolt.
Further, it is also provided with annular glue groove, on bottom plate for filling heat-resistant adhesive.Above-mentioned annular glue groove also surrounds water
Cold groove is configured.
Further, the quantity of annular seal groove and annular glue groove is disposed as multiple, and alternate arrangement.
Further, intake tunnel and exhalant canal are obliquely installed, and inclined direction is opposite.
Further, 20~45 ° of the tilt angle of intake tunnel.Tilt angle -45~-20 ° of exhalant canal.
Further, the inner wall of water cooling groove and the bottom surface of bottom plate are provided with corrosion-resistant finishes.
It is configured by using above-mentioned technical proposal, compared to traditional aqueous cold plate manufacturing process, forms utility model
Bolt-connection form, when the temperature varies, the gap of bolt and bolt hole are used between the bottom plate and cover board of middle aqueous cold plate
Can effectively release temperature change caused by deformation quantity, cause out so as to avoid due to the cold and hot drastic change in use process
The generation for splitting phenomenon extends the service life of its own, reduces later maintenance cost, it is ensured that nave boss production line it is normal
Operation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is position view of the aqueous cold plate in nave boss casting mould.
Fig. 2 is the stereoscopic schematic diagram of aqueous cold plate in the prior art.
Fig. 3 is the A-A cross-sectional view of Fig. 1.
Fig. 4 is the first the embodiment knot for the aqueous cold plate that the utility model is suitable for aluminum alloy car wheel low pressure casting die
Structure schematic diagram.
Fig. 5 is the I partial enlarged view of Fig. 4.
Fig. 6 is the A direction view of Fig. 4.
Fig. 7 is second of embodiment knot of the aqueous cold plate that the utility model is suitable for aluminum alloy car wheel low pressure casting die
Structure schematic diagram.
1- water cooling is seperated；11- bottom plate；111- water cooling groove；1111- necking part；12 1 cover boards；13- bolt；14- expansion
Graphite；15- intake tunnel；16- exhalant canal；17- heat-resistant adhesive.
Specific embodiment
Fig. 1 shows aqueous cold plate in the position view of nave boss casting mould, in order to those skilled in the art to its
The mode of action in casting mould is understood.
Combined with specific embodiments below, the content of the utility model is described in further detail.In order to reach this reality
With novel purpose, Fig. 4, Fig. 5 respectively illustrate the aqueous cold plate that the utility model is suitable for aluminum alloy car wheel low pressure casting die
The first embodiment structure schematic diagram and partial enlarged view, 1 head and the tail of water cooling fission independently being had an effect by more than one piece
It docks.Above-mentioned water cooling fission 1 includes bottom plate 11 and cover board 12, offers water cooling groove 111 in bottom plate 11, cover board 12 fastens
Complete water-cooling channel is formed after on the bottom plate 11.Cause the weld seam of bottom plate 11 Yu cover piece 12 in order to avoid temperature change
Cracking, is designed as bolt-connection form for the two.In addition, offering annular seal groove on bottom plate 11, water cooling groove 111 is surrounded
It is configured.Expanded graphite 14 is filled in annular seal groove.Expanded graphite 14 expands as the temperature rises, from
And the deformation quantity (such as the arch far from 13 region of bolt) of cover board 12 is filled, it is able to form seal chamber, and then prevent outside cooling water
The generation for phenomenon of overflowing.In addition, in order to form cooling water circulation passageway, it is also necessary to be offered on bottom plate 11 and above-mentioned water cooling groove
The intake tunnel 15 and exhalant canal 16 that 111 phases are linked up.When the temperature varies, bolt 13 can be effective with the gap of bolt hole
Deformation quantity caused by ground release temperature changes, leads to cracking phenomena so as to avoid due to the cold and hot drastic change in use process
Generation, extend the service life of its own, reduce later maintenance cost, it is ensured that the normal operation of nave boss production line.
It needs to illustrate herein a bit, the specific torque of bolt 13 is according to material, bolt model and the intensity etc. of cover board 12 and bottom plate 11
The combined factors such as grade determine, in general, not preferably less than 10N.m.
The cross sectional shape of above-mentioned water cooling groove 111 specifically actual conditions can be chosen to be circle or rectangular.With rectangular water cooling
It, can be in water cooling groove as advanced optimizing for the aqueous cold plate for being suitable for aluminum alloy car wheel low pressure casting die for groove
111 top is provided with necking part 1111, so that reducing, there is the cooling water of certain pressure to be applied to the active force on cover board 12,
Enhance the stability of aqueous cold plate self structure.
The specific connecting mode of bottom plate 11 and cover board 12 can refer under type such as and carry out: the bolt 13 of selection M6 or more, and
Strength grade is not higher than 10.9S, threaded hole compatible with the bolt 13 is provided on bottom plate 11, correspondingly, in cover board 12
On be provided with bolt hole corresponding with screw thread hole site.Bolt hole is greater than 0.5~1mm of outer diameter of bolt 13.
In order to further increase the sealing effect of aqueous cold plate, can also be opened up in the periphery of expanded graphite 14 resistance to for filling
The annular glue groove (as shown in Figure 7) of hot glue 17.It should be noted that heat-resistant adhesive 17 still has when 300 ° of temperature >
There is preferable elasticity.As further optimization, the quantity of annular seal groove and annular glue groove is disposed as multiple, and phase
Between arrange.
It, can also be in the inner wall and bottom plate 11 of water cooling groove 111 furthermore in order to improve the corrosion resistance of water-cooling channel
Corrosion-resistant finishes is arranged in bottom surface.The concrete model and thickness of corrosion-resistant finishes can size, casting temperatures according to water-cooling channel
Etc. factors reasonably selected.
In addition, intake tunnel 15 and exhalant canal 16 are obliquely installed it can be seen from Fig. 6, and inclined direction is opposite.
The purpose being arranged in this way is, extends cooling water as much as possible in the circulation path of water-cooling channel, effectively improves water cooling
The cooling effect of disk.In general, 20~45 ° of the tilt angle of intake tunnel 15, the tilt angle -45 of exhalant canal 16~-
20°。
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die, the water cooling independently being had an effect by more than one piece is seperated
Head and the tail dock；The water cooling fission includes bottom plate and cover board；Water cooling groove is offered in the bottom plate, the cover board fastens
Complete water-cooling channel is formed after the bottom plate；It is characterized in that, the bottom plate is coupled with the cover board using bolt；
The torque of the bolt is not less than 10N.m；Annular seal groove is offered on the bottom plate, is set around the water cooling groove
It sets；Expanded graphite is filled in the annular seal groove；It offers on the bottom plate and mutually links up with the water cooling groove
Intake tunnel and exhalant canal.
2. the aqueous cold plate according to claim 1 suitable for aluminum alloy car wheel low pressure casting die, which is characterized in that in institute
It states and is provided with threaded hole compatible with the bolt on bottom plate, correspondingly, be provided on the cover board and the threaded hole
The corresponding bolt hole in position；The bolt hole is greater than 0.5~1mm of outer diameter of the bolt.
3. the aqueous cold plate according to claim 1 suitable for aluminum alloy car wheel low pressure casting die, which is characterized in that in institute
It states and is also provided with annular glue groove on bottom plate, for filling heat-resistant adhesive；The annular glue groove also surrounds the water cooling groove and is set
It sets.
4. the aqueous cold plate according to claim 3 suitable for aluminum alloy car wheel low pressure casting die, which is characterized in that described
The quantity of annular seal groove and the annular glue groove is disposed as multiple, and alternate arrangement.
5. the aqueous cold plate according to claim 1 suitable for aluminum alloy car wheel low pressure casting die, which is characterized in that described
Intake tunnel and the exhalant canal are obliquely installed, and inclined direction is opposite.
6. the aqueous cold plate according to claim 5 suitable for aluminum alloy car wheel low pressure casting die, which is characterized in that described
20~45 ° of the tilt angle of intake tunnel；Tilt angle -45~-20 ° of the exhalant canal.
7. the aqueous cold plate according to claim 1 suitable for aluminum alloy car wheel low pressure casting die, which is characterized in that in institute
The bottom surface of the inner wall and bottom plate of stating water cooling groove is provided with corrosion-resistant finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050485.3U CN209614197U (en) | 2019-01-10 | 2019-01-10 | A kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920050485.3U CN209614197U (en) | 2019-01-10 | 2019-01-10 | A kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209614197U true CN209614197U (en) | 2019-11-12 |
Family
ID=68449659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920050485.3U Expired - Fee Related CN209614197U (en) | 2019-01-10 | 2019-01-10 | A kind of aqueous cold plate suitable for aluminum alloy car wheel low pressure casting die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209614197U (en) |
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2019
- 2019-01-10 CN CN201920050485.3U patent/CN209614197U/en not_active Expired - Fee Related
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| 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: 20191112 Termination date: 20220110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |