CN209424527U - A kind of compound stalk - Google Patents
A kind of compound stalk Download PDFInfo
- Publication number
- CN209424527U CN209424527U CN201822151795.2U CN201822151795U CN209424527U CN 209424527 U CN209424527 U CN 209424527U CN 201822151795 U CN201822151795 U CN 201822151795U CN 209424527 U CN209424527 U CN 209424527U
- Authority
- CN
- China
- Prior art keywords
- groove
- metatitanic acid
- aluminum pipe
- acid aluminum
- return piece
- 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
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- Manufacture And Refinement Of Metals (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a kind of compound stalks, the top of metatitanic acid aluminum pipe is coaxially fixed with mounting disc, the bottom end of metatitanic acid aluminum pipe is coaxially fixed with aluminium titanates filter tip disk, groove is coaxially provided at the top of aluminium titanates filter tip disk, the cell wall of groove is equipped with side opening, the slot bottom of groove is equipped with bottom outlet, groove is connected to by side opening and bottom outlet with the outside of aluminium titanates filter tip disk respectively, matched non-return piece is equipped in groove, non-return piece is up and down along groove, non-return piece is equipped with through-hole, and through-hole vertically invests the projection of groove slot bottom and bottom outlet is staggered.From the above it is found that a kind of compound stalk of the utility model, molten aluminium alloy enter metatitanic acid aluminum pipe during ascending into stalk, through the bottom outlet of groove and the through-hole of non-return piece, play the role of skimming, filtering molten aluminium alloy；It can also enable aluminum alloy to melt and steadily enter metatitanic acid aluminum pipe, improve the quality of aluminum alloy low-pressure casting product.
Description
Technical field
The utility model relates to a kind of stalk technical fields of aluminum alloy low-pressure casting, and in particular to a kind of compound liter of liquid
Pipe.
Background technique
Currently, riser tube for aluminum alloy low-pressure casting generally uses ferrous material, at high temperature, ferrous material is easy and aluminium
Liquid reaction causes molten aluminum to increase iron.Ceramic material or carbofrax material can also be used in aluminum alloy low-pressure casting stalk, but in high temperature
Under casting pressure effect, ceramic lift tube is easy to appear gas leak phenomenon, and ceramic material is easy to send out with molten aluminum at high temperature
Biochemical reaction, ceramic lift tube service life are very short.Carbofrax material stalk is easy to produce under heating, cooling repeated action
Gas leak phenomenon occurs for raw crackle, causes type chamber inner inflatable, and molten metal can not be full of type chamber, product quality is caused to decline.Rise liquid
In pipe use process, since low pressure casting die lower die temperature is lower, heat dissipation causes on stalk in liquid metal uphill process
Portion's liquid metal temperature is lower, is easy to appear stalk and freezes to death phenomenon.In addition, after the completion of a low pressure casting, in stalk
When molten aluminum decline is back to crucible, being easy impact crucible bottom makes the field trash of crucible bottom suspend, with aluminium when next time is poured
Liquid, which enters mold, influences casting product quality.The above existing stalk there are aiming at the problem that, develop this patent product aluminium alloy
Low pressure casting anti-gas-leak keep the temperature non-return aluminium titanates stalk with solve molten aluminum existing for existing stalk increase iron, gas leakage, freeze to death,
The problems such as crucible inclusion suspends.
Utility model content
The purpose of this utility model is that: overcome the deficiencies of the prior art and provide a kind of compound stalk, molten aluminium alloy
During ascending into stalk, metatitanic acid aluminum pipe is entered by the bottom outlet of groove and the through-hole of non-return piece, plays skimming, mistake
Filter the effect of molten aluminium alloy；Steadily enter in the pore of metatitanic acid aluminum pipe at the same time it can also enable aluminum alloy to melt, makes metatitanic acid aluminum pipe
Pore in molten aluminium alloy keep laminar condition, the turbulence level of molten aluminium alloy is reduced, so that it is low to improve aluminium alloy
Press the quality of cast article；Pass through the side opening of groove, it is therefore prevented that molten aluminium alloy directly lower into crucible kinetic energy it is excessive and
To crucible bottom generate impact, cause the impurity of crucible bottom to float, and then avoid molten aluminium alloy quality decline and under the influence of
The product quality of primary low pressure casting production；Using being threadedly coupled between aluminium titanates filter tip disk and metatitanic acid aluminum pipe, work as aluminium titanates
When filter tip disk blocks, cleaning easy to disassemble；When aluminium titanates filter tip disk or non-return piece need replacing, can be convenient more
It changes；Metatitanic acid aluminum pipe top is equipped with insulating tube, is evacuated in the cavity of insulating tube, and the aluminium alloy that can be reduced in metatitanic acid aluminum pipe is molten
The heat loss of liquid, plays the role of heat preservation, prevents molten aluminium alloy temperature in metatitanic acid aluminum pipe from reducing, solidifying and lead to aluminium titanates
Pipe is freezed to death；What the pore inner wall of metatitanic acid aluminum pipe was contacted with molten aluminium alloy is metatitanic acid aluminum pipe, and molten aluminium alloy is in stalk
It is not contacted with ferrous material in middle uphill process, it is therefore prevented that molten aluminium alloy increases iron, and gas leakage hidden danger is also not present；Metal tube package
Among metatitanic acid aluminum pipe, the intensity and bearing capacity of entire stalk can be improved；The metatitanic acid aluminum pipe and metal tube and heat preservation
The contact surface between contact surface and insulating tube and mounting disc between pipe is equipped with brazing layer, and brazing layer can play sealing
Effect；The solder of brazing layer is 53Ag-39Pd-5Pt-3Ti, and solder plasticity is preferable, metal tube and metatitanic acid aluminum pipe, insulating tube,
It can play the role of buffering between mounting disc, alleviate heating in stalk use process, cooling caused thermal stress and titanium
Sour aluminum pipe and metal tube, insulating tube, the contact stress between mounting disc；Between between the slot bottom and aluminium titanates filter tip disk of annular groove
Away from 1 ~ 1.2 times for aluminium titanates tube wall thickness, guarantee there are enough bonding strengths between aluminium titanates filter tip disk and metatitanic acid aluminum pipe.
Technical solution adopted in the utility model is:
A kind of compound stalk, including metatitanic acid aluminum pipe, the top of the metatitanic acid aluminum pipe are coaxially fixed with mounting disc, the titanium
The bottom end of sour aluminum pipe is coaxially fixed with aluminium titanates filter tip disk, and groove is coaxially provided at the top of the aluminium titanates filter tip disk, described recessed
The cell wall of slot is equipped with side opening, the slot bottom of the groove is equipped with bottom outlet, and the side opening and bottom outlet are respectively by groove and aluminium titanates filter tip
The outside of disk is connected to, and matched non-return piece is equipped in the groove, the non-return piece is up and down along groove, the non-return piece
Equipped with through-hole, the through-hole vertically invests the projection of groove slot bottom and bottom outlet is staggered.
The utility model is further improved scheme, and the cell wall of the groove corresponds at side opening position respectively along parallel
It is equipped with guide groove in the direction of the aluminium titanates filter tip dish axle heart, the side wall of the non-return piece corresponds to guide groove and is equipped with matched guide card.
The further improvement project of the utility model is that the notch of the guide groove is directed inwardly toward the aluminium titanates filter tip dish axle heart,
The notch of groove is extended upwardly at the top of the guide groove, forms opening；The bottom of the guide groove extends downward into the slot of groove
Bottom.
The further improvement project of the utility model is that the guide card outer side edges edge is greater than titanium at a distance from non-return piece axle center
The radius of the pore of sour aluminum pipe.
The further improvement project of the utility model is, along the slot with groove on aperture of the side opening towards groove side
The distance between bottom is greater than the thickness of non-return piece, and between the notch of aperture lower edge and groove of the side opening towards groove side
Distance is greater than the thickness of non-return piece.
The further improvement project of the utility model is that the side opening is towards the aperture lower edge of groove side and the slot of groove
The distance between bottom is more than or equal to the thickness of non-return piece.
The further improvement project of the utility model is, along the slot with groove on aperture of the side opening towards groove side
The distance between mouth is more than or equal to the thickness of non-return piece.
The further improvement project of the utility model, which is that the notch of the groove is also concentric, is equipped with fitting groove, the dress
The slot bottom of slot allocation is connected to groove, the bottom end of the metatitanic acid aluminum pipe be equipped with the matched boss of fitting groove, the fitting groove it is interior
The lateral wall of side channel wall and boss is respectively equipped with matched screw thread B.
The further improvement project of the utility model is that the slot bottom of the fitting groove is higher than side opening.
The further improvement project of the utility model is that annular groove, the ring are coaxially provided at the top of the metatitanic acid aluminum pipe
It is fixed with metal tube in shape slot, is flushed at the top of the top of the metal tube and metatitanic acid aluminum pipe, the intensity of the metal tube is greater than
Metatitanic acid aluminum pipe.
The further improvement project of the utility model is, the outside cell wall of the annular groove, positioned at the top of metatitanic acid aluminum pipe
Equipped with notch, the lateral wall of the metal tube, corresponding to being fixed with insulating tube, the lateral wall top of the metal tube at gap position
Matched screw thread A is equipped between portion and mounting disc inner wall.
The further improvement project of the utility model is that the insulating tube is hollow tubular structure.
The further improvement project of the utility model is, the material of the insulating tube, the material of mounting disc and metal tube
Material is steel pipe.
The further improvement project of the utility model is metatitanic acid aluminum pipe contact between metal tube and insulating tube
Contact surface between face and insulating tube and mounting disc is equipped with brazing layer.
The further improvement project of the utility model is that the solder of the brazing layer is 53Ag-39Pd-5Pt-3Ti.
The further improvement project of the utility model is the spacing between the slot bottom and aluminium titanates filter tip disk of the annular groove
It is 1 ~ 1.2 times of aluminium titanates tube wall thickness.
The further improvement project of the utility model is that the material of the non-return piece is graphite.
The further improvement project of the utility model is, the through-hole of the non-return piece is equipped with multiple, and one of through-hole is same
It is located at the axle center of non-return piece, remaining through-hole is uniformly distributed in around the through-hole at center；The bottom outlet respectively corresponds
At position between two neighboring through-hole.
The further improvement project of the utility model, which is that one of through-hole of the non-return piece is concentric, is set to non-return piece
Axle center at, and the quantity of guide card is corresponding and the axle center of remaining through-hole is respectively corresponded positioned at guide card for the quantity of remaining through-hole
By the symmetry axis in non-return piece axle center.
The utility model has the beneficial effects that:
The first, a kind of compound stalk of the utility model, molten aluminium alloy lead to during ascending into stalk
The through-hole of the bottom outlet and non-return piece of crossing groove enters metatitanic acid aluminum pipe, plays the role of skimming, filtering molten aluminium alloy；Meanwhile also
It can enable aluminum alloy to melt steadily to enter in the pore of metatitanic acid aluminum pipe, make the molten aluminium alloy retaining layer in the pore of metatitanic acid aluminum pipe
Stream mode, reduces the turbulence level of molten aluminium alloy, to improve the quality of aluminum alloy low-pressure casting product.
The second, a kind of compound stalk of the utility model, passes through the side opening of groove, it is therefore prevented that under molten aluminium alloy is direct
The kinetic energy of drop into crucible is excessive and generates impact to crucible bottom, the impurity of crucible bottom is caused to float, and then aluminium is avoided to close
The product quality of golden melt quality decline and the low pressure casting production of influence next time.
A kind of compound stalk of third, the utility model is connected between aluminium titanates filter tip disk and metatitanic acid aluminum pipe using screw thread
It connects, when aluminium titanates filter tip disk blocks, cleaning easy to disassemble；It, can when aluminium titanates filter tip disk or non-return piece need replacing
Easily to replace.
4th, a kind of compound stalk of the utility model, metatitanic acid aluminum pipe top is equipped with insulating tube, in the cavity of insulating tube
It is evacuated, the heat loss of the molten aluminium alloy in metatitanic acid aluminum pipe can be reduced, play the role of heat preservation, prevent metatitanic acid aluminum pipe
Interior molten aluminium alloy temperature reduces, solidifies and lead to freezing to death for metatitanic acid aluminum pipe.
5th, a kind of compound stalk of the utility model, what the pore inner wall of metatitanic acid aluminum pipe was contacted with molten aluminium alloy
It is metatitanic acid aluminum pipe, molten aluminium alloy does not contact in stalk in uphill process with ferrous material, it is therefore prevented that molten aluminium alloy
Increase iron, gas leakage hidden danger is also not present.
6th, a kind of compound stalk of the utility model, metal tube are wrapped among metatitanic acid aluminum pipe, can be improved entire
The intensity and bearing capacity of stalk.
7th, a kind of compound stalk of the utility model, connecing between the metatitanic acid aluminum pipe and metal tube and insulating tube
Contact surface between contacting surface and insulating tube and mounting disc is equipped with brazing layer, and brazing layer can play sealing function.
8th, a kind of compound stalk of the utility model, the solder of brazing layer are 53Ag-39Pd-5Pt-3Ti, solder
Plasticity is preferable, can play the role of buffering between metal tube and metatitanic acid aluminum pipe, insulating tube, mounting disc, and alleviating stalk makes
Contact caused by heating in the process, is cooling between thermal stress and metatitanic acid aluminum pipe and metal tube, insulating tube, mounting disc is answered
Power.
9th, a kind of compound stalk of the utility model, the spacing between the slot bottom and aluminium titanates filter tip disk of annular groove
It is 1 ~ 1.2 times of aluminium titanates tube wall thickness, guarantees there are enough bonding strengths between aluminium titanates filter tip disk and metatitanic acid aluminum pipe.
Detailed description of the invention:
Main view schematic cross-sectional view when Fig. 1 is not used for the application.
Fig. 2 is main view schematic cross-sectional view of the application when carrying out aluminum alloy low-pressure casting.
Fig. 3 is the vertical view enlarged diagram of non-return piece.
Fig. 4 is the vertical view enlarged diagram of aluminium titanates filter tip disk.
Specific embodiment:
In conjunction with Fig. 1 ~ Fig. 4 it is found that the utility model includes metatitanic acid aluminum pipe 1, the top of the metatitanic acid aluminum pipe 1 is coaxially fixed with
Mounting disc 7, the bottom end of the metatitanic acid aluminum pipe 1 are coaxially fixed with aluminium titanates filter tip disk 9, and the top of the aluminium titanates filter tip disk 9 is same
Axis is equipped with groove 10, and the cell wall of the groove 10 is equipped with side opening 12, the slot bottom of the groove 10 is equipped with bottom outlet 13, the side opening 12
Groove 10 is connected to respectively with the outside of aluminium titanates filter tip disk 9 with bottom outlet 13, is equipped with matched non-return piece 11 in the groove 10,
The non-return piece 11 is up and down along groove 10, and the non-return piece 11 is equipped with through-hole 15, and the through-hole 15 vertically invests groove
The projection of 10 slot bottoms is staggered with bottom outlet 13.
The cell wall of the groove 10, corresponding at 12 position of side opening respectively along being parallel to the side in 9 axle center of aluminium titanates filter tip disk
To guide groove 20 is equipped with, the side wall of the non-return piece 11 corresponds to guide groove 20 and is equipped with matched guide card 14.
The notch of the guide groove 20 is directed inwardly toward 9 axle center of aluminium titanates filter tip disk, and the top of the guide groove 20 extends upwardly to
The notch of groove 10 forms opening；The bottom of the guide groove 20 extends downward into the slot bottom of groove 10.
Radius of 14 outer side edges of guide card along the pore 2 for being greater than metatitanic acid aluminum pipe 1 at a distance from 11 axle center of non-return piece.
The distance between edge and the slot bottom of groove 10 are greater than non-return piece on the aperture of the side opening 12 towards 10 side of groove
11 thickness, and the distance between notch of aperture lower edge of the side opening 12 towards 10 side of groove and groove 10 is greater than non-return piece
11 thickness.
The distance between slot bottom of aperture lower edge of the side opening 12 towards 10 side of groove and groove 10 is more than or equal to only
Return the thickness of piece 11.
The distance between edge and the notch of groove 10 are more than or equal to only on the aperture of the side opening 12 towards 10 side of groove
Return the thickness of piece 11.
The notch of the groove 10 is also concentric to be equipped with fitting groove 19, and the slot bottom of the fitting groove 19 is connected to groove 10,
The bottom end of the metatitanic acid aluminum pipe 1 be equipped with the matched boss 8 of fitting groove 19, the inside cell wall of the fitting groove 19 and boss 8
Lateral wall is respectively equipped with matched screw thread B17.
The slot bottom of the fitting groove 19 is higher than side opening 12.
The top of the metatitanic acid aluminum pipe 1 is coaxially provided with annular groove 3, and metal tube 4, the gold are fixed in the annular groove 3
The top for belonging to pipe 4 is flushed with the top of metatitanic acid aluminum pipe 1, and the intensity of the metal tube 4 is greater than metatitanic acid aluminum pipe 1.
The outside cell wall of the annular groove 3 is equipped with notch 5, the outside of the metal tube 4 positioned at the top of metatitanic acid aluminum pipe 1
Wall, corresponding to insulating tube 6 is fixed at 5 position of notch, set between 7 inner wall of mounting disc at the top of the lateral wall of the metal tube 4
There is matched screw thread A16.
The insulating tube 6 is hollow tubular structure.
Material, the material of mounting disc 7 and the material of metal tube of the insulating tube 6 are steel pipe.
Between contact surface and insulating tube 6 and mounting disc 7 between the metatitanic acid aluminum pipe 1 and metal tube 4 and insulating tube 6
Contact surface be equipped with brazing layer 18.
The solder of the brazing layer 18 is 53Ag-39Pd-5Pt-3Ti.
Spacing between the slot bottom and aluminium titanates filter tip disk 9 of the annular groove 3 is the 1 ~ 1.2 of 1 pipe thickness of metatitanic acid aluminum pipe
Times.
The material of the non-return piece 11 is graphite.
The through-hole 15 of the non-return piece 11 is equipped with 5, and one of through-hole 15 is same to be located at the axle center of non-return piece 11,
4 through-holes 15 of remaininging are uniformly distributed in around the through-hole 15 at center, and the axle center of remaining 4 through-hole 15 respectively corresponds position
In guide card 14 by the symmetry axis in 11 axle center of non-return piece；The bottom outlet 13 is equipped with 4, respectively corresponds positioned at two neighboring through-hole 15
Between position at.
When the utility model uses, during aluminum alloy low-pressure casting, the insertion of metatitanic acid aluminum pipe 1 is equipped with aluminium alloy
In the crucible of melt, apply certain pressure on molten aluminium alloy surface, by the pore 2 of molten aluminium alloy indentation metatitanic acid aluminum pipe 1
Interior, since the density of graphite is lower than the density of molten aluminium alloy, non-return piece 11 can float along groove 10, simultaneously, aluminium alloy it is molten
Through-hole 15 when liquid rises on non-return piece 11, has upward active force to non-return piece 11, non-return piece 11 is made to be in groove 10
Top and contact the top surface of non-return piece 11 and the end face of boss 8.
Then since the bottom outlet 13 of 10 bottom of groove and the through-hole 15 of non-return piece 11 are staggered, so molten aluminium alloy exists
By groove 10 bottom outlet 13 and non-return piece 11 through-hole 15 when, can play the role of skimming, filtering molten aluminium alloy；
Steadily enter in the pore 2 of metatitanic acid aluminum pipe 1 at the same time it can also enable aluminum alloy to melt, closes the aluminium in the pore 2 of metatitanic acid aluminum pipe 1
Golden melt keeps laminar condition, the turbulence level of molten aluminium alloy is reduced, to improve the matter of aluminum alloy low-pressure casting product
Amount.
After low pressure casting, the molten aluminium alloy decline in the pore 2 of metatitanic acid aluminum pipe 1 is back in crucible, in aluminium
During alloy molten solution decline reflux, since the active force generated when molten aluminium alloy decline makes non-return piece 11 drop to groove
10 bottom, since the bottom outlet 13 of 10 bottom of groove and the through-hole 15 of non-return piece 11 are staggered, bottom outlet 13 and through-hole 15
Mutually to closing each other.Enabling aluminum alloy to melt can only flow outwardly through the side opening 12 of groove 10, into crucible.It prevents in this way
Molten aluminium alloy directly lower into crucible kinetic energy is excessive and impact is generated to crucible bottom, causes crucible bottom impurity
It floats, and then avoids result in the decline of molten aluminium alloy quality and influence the product quality that low pressure casting next time produces.
Using being threadedly coupled between aluminium titanates filter tip disk 9 and metatitanic acid aluminum pipe 1, when aluminium titanates filter tip disk 9 blocks, just
It is cleared up in disassembly.When aluminium titanates filter tip disk 9 or non-return piece 11 need replacing, replace with can be convenient.
1 top of metatitanic acid aluminum pipe is equipped with insulating tube 6, is evacuated, can be reduced in metatitanic acid aluminum pipe 1 in the cavity of insulating tube 6
Molten aluminium alloy heat loss, play the role of heat preservation, prevent in metatitanic acid aluminum pipe 1 molten aluminium alloy temperature to reduce, solidification
And lead to freezing to death for metatitanic acid aluminum pipe 1.
Claims (10)
1. a kind of compound stalk, it is characterised in that: including metatitanic acid aluminum pipe (1), the top of the metatitanic acid aluminum pipe (1) is coaxially fixed
Have mounting disc (7), the bottom end of the metatitanic acid aluminum pipe (1) is coaxially fixed with aluminium titanates filter tip disk (9), the aluminium titanates filter tip disk
(9) it is coaxially provided at the top of groove (10), the cell wall of the groove (10) is equipped with side opening (12), the slot bottom of the groove (10) is set
Have bottom outlet (13), groove (10) is connected to by the side opening (12) and bottom outlet (13) with the outside of aluminium titanates filter tip disk (9) respectively, institute
It states and is equipped with matched non-return piece (11) in groove (10), the non-return piece (11) is up and down along groove (10), the non-return
Piece (11) is equipped with through-hole (15), and the through-hole (15) vertically invests the projection of groove (10) slot bottom and bottom outlet (13) is staggered.
2. a kind of compound stalk as described in claim 1, it is characterised in that: the cell wall of the groove (10) corresponds to side
Guide groove (20) are equipped with along the direction for being parallel to aluminium titanates filter tip disk (9) axle center respectively at hole (12) position, the non-return piece (11)
Side wall correspond to guide groove (20) be equipped with matched guide card (14).
3. a kind of compound stalk as claimed in claim 2, it is characterised in that: the notch of the guide groove (20) is directed inwardly toward titanium
Sour aluminium filter tip disk (9) axle center, extend upwardly at the top of the guide groove (20) notch of groove (10), formed it is open；It is described to lead
The bottom of slot (20) extends downward into the slot bottom of groove (10).
4. a kind of compound stalk as claimed in claim 2, it is characterised in that: guide card (14) the outer side edges edge and non-return piece
(11) distance in axle center is greater than the radius of the pore (2) of metatitanic acid aluminum pipe (1).
5. a kind of compound stalk as described in claim 1, it is characterised in that: the side opening (12) is towards groove (10) side
Aperture on along and the distance between the slot bottom of groove (10) be greater than the thickness of non-return piece (11), and side opening (12) is towards groove
(10) the distance between notch of the aperture lower edge of side and groove (10) is greater than the thickness of non-return piece (11).
6. a kind of compound stalk as described in claim 1, it is characterised in that: the notch of the groove (10) is also concentric to be set
Have fitting groove (19), the slot bottom of the fitting groove (19) is connected to groove (10), and the bottom end of the metatitanic acid aluminum pipe (1) is equipped with and dress
Slot allocation (19) matched boss (8), the inside cell wall of the fitting groove (19) and the lateral wall of boss (8) are respectively equipped with matched
Screw thread B(17).
7. a kind of compound stalk as described in claim 1, it is characterised in that: the top of the metatitanic acid aluminum pipe (1) is coaxially set
Have annular groove (3), is fixed with metal tube (4) in the annular groove (3), top and metatitanic acid aluminum pipe (1) of the metal tube (4)
Top flushes, and the intensity of the metal tube (4) is greater than metatitanic acid aluminum pipe (1).
8. a kind of compound stalk as claimed in claim 7, it is characterised in that: the outside cell wall of the annular groove (3) is located at
The top of metatitanic acid aluminum pipe (1) be equipped with notch (5), the lateral wall of the metal tube (4), correspond to notch (5) position at be fixed with
Insulating tube (6) is equipped with matched screw thread A(16 between the lateral wall top of the metal tube (4) and mounting disc (7) inner wall).
9. a kind of compound stalk as claimed in claim 8, it is characterised in that: the metatitanic acid aluminum pipe (1) and metal tube (4) and
The contact surface between contact surface and insulating tube (6) and mounting disc (7) between insulating tube (6) is equipped with brazing layer (18).
10. a kind of compound stalk as claimed in claim 7, it is characterised in that: the slot bottom and aluminium titanates of the annular groove (3)
Spacing between filter tip disk (9) is 1 ~ 1.2 times of metatitanic acid aluminum pipe (1) pipe thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151795.2U CN209424527U (en) | 2018-12-21 | 2018-12-21 | A kind of compound stalk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151795.2U CN209424527U (en) | 2018-12-21 | 2018-12-21 | A kind of compound stalk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209424527U true CN209424527U (en) | 2019-09-24 |
Family
ID=67972833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822151795.2U Expired - Fee Related CN209424527U (en) | 2018-12-21 | 2018-12-21 | A kind of compound stalk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209424527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434076A (en) * | 2018-12-21 | 2019-03-08 | 淮阴工学院 | A kind of aluminum alloy low-pressure casting anti-gas-leak heat preservation non-return aluminium titanates stalk |
| CN111515365A (en) * | 2020-04-24 | 2020-08-11 | 朱永全 | Motor rotor squirrel cage low-pressure copper casting equipment and copper casting method thereof |
-
2018
- 2018-12-21 CN CN201822151795.2U patent/CN209424527U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434076A (en) * | 2018-12-21 | 2019-03-08 | 淮阴工学院 | A kind of aluminum alloy low-pressure casting anti-gas-leak heat preservation non-return aluminium titanates stalk |
| CN109434076B (en) * | 2018-12-21 | 2023-12-01 | 淮阴工学院 | Air leakage prevention heat preservation non-return aluminum titanate lift tube for low-pressure casting of aluminum alloy |
| CN111515365A (en) * | 2020-04-24 | 2020-08-11 | 朱永全 | Motor rotor squirrel cage low-pressure copper casting equipment and copper casting method thereof |
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