CN108655371A - A kind of forming module of HDPE double-wall corrugated pipes and its molding method - Google Patents
A kind of forming module of HDPE double-wall corrugated pipes and its molding method Download PDFInfo
- Publication number
- CN108655371A CN108655371A CN201810583037.XA CN201810583037A CN108655371A CN 108655371 A CN108655371 A CN 108655371A CN 201810583037 A CN201810583037 A CN 201810583037A CN 108655371 A CN108655371 A CN 108655371A
- Authority
- CN
- China
- Prior art keywords
- casting
- copper tube
- aluminium alloy
- module
- wall corrugated
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention discloses a kind of method of HDPE double-wall corrugated pipes casting and forming module, including：The pretreatment of pre-buried copper tube：The copper oxide layer of predetermined length red copper pipe surface is cleaned, and in red copper tube outer surface brushing high-temperature resistant coating；The pre-buried copper tube of bending：After drilling out several gas vents on copper tube, it is bent into the shape to match with module shape；The molding fixation of module：The copper tube of institute's bending is fixed in the mold of casting and forming；To die casting molten aluminium alloy：The molten aluminium alloy of casting high temperature into casting mould；According to coefficient of thermal expansion of the copper tube in casting, hot investment casting is carried out.The invention also discloses a kind of forming modules of the double-wall corrugated pipe casings of HDPE, using module made of the above method.The pre-buried inside modules for being cast in aluminium alloy of copper tube are integrally formed by the present invention, using copper tube as reserved vacuum way, are substantially reduced the process-cycle of modular manufacture, are improved the performance after HDPE double-wall corrugated pipe formed products.
Description
Technical field
It is the present invention relates to the double-wall corrugated tube module field shaping techniques of HDPE, more particularly to a kind of that copper tube is cast in aluminium
The forming module and its forming method of the molding HDPE double-wall corrugated pipes of alloy inside modules.
Background technology
When the existing double-wall corrugated tube modules of HDPE are cast, without pre-buried copper tube, required when producing bellows in casting module
Air drain is opened, best gas chamber originally uses the metal saw processing pumping slot of 0.5~1mm thickness, the upper and lower ends of module to process two
Stomata wired hose difficulty in the upper lower chamber of the back of module connection, processing is big, and appearance is sufficiently oily when producing product, at
Type is poor, cause product to vacuumize molding wave crest wall unevenness even, reduce the ring stiffness of tubing.So that tubing uses the longevity
Life is reduced significantly.And the mode due to taking Sha Mo before the mold of casting, module outer surface have it is many uneven, greatly
Volume easy tos produce gas when casting, and causes to be vented unsmooth, bubble is just had in module there are in module body, the processing to module
It can cause prodigious influence.Meanwhile the machining of HDPE modules is vacuum suction slot to be cut, difficulty of processing is big, and the process-cycle is long, and
Suction is small, and the molding of tubing in the module is poor.
Invention content
The main object of the present invention is to propose a kind of forming module and its forming method of HDPE double-wall corrugated pipes, it is intended to gram
Take problem above.
To achieve the above object, the present invention proposes a kind of method of HDPE double-wall corrugated pipes casting and forming module, including such as
Lower step：
The pretreatment of the pre-buried copper tubes of S10：The copper oxide layer of predetermined length red copper pipe surface is cleaned, and in copper tube appearance
Face brushing high-temperature resistant coating；
The pre-buried copper tube of S20 bendings：After drilling out several gas vents on copper tube, it is bent into and module shape phase
The shape matched；
The molding fixation of S30 modules：The copper tube of institute's bending is fixed in the mold of casting and forming；
S40 is to die casting molten aluminium alloy：The molten aluminium alloy of casting high temperature into casting mould；
Coefficient of thermal expansion of the S50 according to copper tube in casting, carries out hot investment casting.
Preferably, the S40：It slowly casts into casting mould the molten aluminium alloy of high temperature, and constantly stirring is poured
The molten aluminium alloy melt of note.
Preferably, further include mold preheating after the S30, before the S40：Casting mould is preheated to 300-500 DEG C.
Preferably, the S40 is specially：By the way of low-pressure side casting, casting module lateral recumbent posture is placed, to casting die
The molten aluminium alloy of casting high temperature, makes it fill up entire mould by molten aluminium alloy its own gravity by the riser on mold in tool
Has cavity.
Preferably, hot investment casting is carried out in described 50 is specially：After molten aluminium alloy completely fills out mold, to mold into
Row cooling and shaping, then molds, and cuts off extra riser material after die sinking with cutting machine.
Preferably, the forming module of the double-wall corrugated pipe casings of a kind of HDPE, including module body further include aluminium alloy, mould
Copper tube is taken shape in module by block and copper tube using method as described above by the aluminium alloy that aluminium alloy casting is cooled to
In ontology.
Preferably, the copper tube be bent into matching forming module U-shaped arc side be fixed on molding mold to be cast
It is interior.
Preferably, the intermediate position of the copper tube is drilled with several gas vents, and the gas vent is in the same size, spacing is uniform
Arrangement.
Preferably, a diameter of 0.3mm of the gas vent.
Preferably, the appearance of the copper tube is enclosed with high-temperaure coating, and the thickness of the high-temperaure coating is in 0.5-
Between 1mm.
In the present embodiment, the pre-buried inside modules for being cast in aluminium alloy of copper tube are integrally formed by the present invention, with red copper
Pipe substantially reduces the process-cycle of modular manufacture, improves HDPE double-wall corrugated pipe formed products as vacuum way is reserved
Quality afterwards and performance.By copper tube external coating high-temperature resistant coating, completely cut off the high temperature melt copper tube of aluminum water, solve with
The problem of being melted in casting toward pre-buried copper tube.Copper tube periphery leads to the problem of stomata after casting.Because of aluminium alloy
Melt will produce a large amount of heat when casting, pre-buried copper tube can rapidly expand after heated, opposite so as to cause pre-buried copper pipe
It can change in aluminium alloy module position after cooling, pre-buried copper pipe spacing module cavity inner surface is caused to become larger or become smaller,
If become larger, the effect vacuumized after temporal waste and influence processing is brought when to machining air drain；If become smaller,
Then can be in Vehicle Processing module cavity, vehicle breaks copper pipe, and module is caused integrally to be scrapped.It was casting so to calculate copper tube
Coefficient of thermal expansion when journey carries out hot investment casting according to the coefficient of thermal expansion of copper tube.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the vertical view of one embodiment of forming module of the double-wall corrugated pipe casings of HDPE of the present invention；
Fig. 2 is the front view of one embodiment of forming module of the double-wall corrugated pipe casings of HDPE of the present invention,
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
As shown in Figs. 1-2, the present invention proposes a kind of method of HDPE double-wall corrugated pipes casting and forming module, including walks as follows
Suddenly：
The pretreatment of the pre-buried copper tubes of S10：The copper oxide layer of predetermined length red copper pipe surface is cleaned, and in copper tube appearance
Face brushing high-temperature resistant coating；
The pre-buried copper tube of S20 bendings：After drilling out several gas vents on copper tube, it is bent into and module shape phase
The shape matched；
The molding fixation of S30 modules：The copper tube of institute's bending is fixed in the mold of casting and forming；
S40 is to die casting molten aluminium alloy：The molten aluminium alloy of casting high temperature into casting mould；
Coefficient of thermal expansion of the S50 according to copper tube in casting, carries out hot investment casting.
In the present embodiment, the pre-buried inside modules for being cast in aluminium alloy of copper tube are integrally formed by the present invention, with red copper
Pipe substantially reduces the process-cycle of modular manufacture, improves HDPE double-wall corrugated pipe formed products as vacuum way is reserved
Quality afterwards and performance.By copper tube external coating high-temperature resistant coating, completely cut off the high temperature melt copper tube of aluminum water, solve with
The problem of being melted in casting toward pre-buried copper tube.Copper tube periphery leads to the problem of stomata after casting.Because of aluminium alloy
Melt will produce a large amount of heat when casting, pre-buried copper tube can rapidly expand after heated, opposite so as to cause pre-buried copper pipe
It can change in aluminium alloy module position after cooling, pre-buried copper pipe spacing module cavity inner surface is caused to become larger or become smaller,
If become larger, the effect vacuumized after temporal waste and influence processing is brought when to machining air drain；If become smaller,
Then can be in Vehicle Processing module cavity, vehicle breaks copper pipe, and module is caused integrally to be scrapped.It was casting so to calculate copper tube
Coefficient of thermal expansion when journey carries out hot investment casting according to the coefficient of thermal expansion of copper tube.
Preferably, the S40：It slowly casts into casting mould the molten aluminium alloy of high temperature, and constantly stirring is poured
The molten aluminium alloy melt of note.
In the present embodiment, the present invention is by constantly stirring poured into a mould molten aluminium alloy so that air can be rapid
Complete discharge.
Preferably, further include mold preheating after the S30, before the S40：Casting mould is preheated to 300-500 DEG C.
In the present embodiment, casting mould is preheated 300-500 DEG C before present invention casting aluminum water, prevents cold mold in height
Warm aluminum water is rapid cooling after pouring into generate a large amount of bubble, and aluminum water rapid condensation is blocking, be not easy to the whole one of module at
Type.
Preferably, the S40 is specially：By the way of low-pressure side casting, casting module lateral recumbent posture is placed, to casting die
The molten aluminium alloy of casting high temperature, makes it fill up entire mould by molten aluminium alloy its own gravity by the riser on mold in tool
Has cavity.
In the present embodiment, the present invention is by way of low-pressure side casting so that and molten aluminium alloy can be full of entire mold,
Simultaneously conducive to exhaust.
Preferably, hot investment casting is carried out in described 50 is specially：After molten aluminium alloy completely fills out mold, to mold into
Row cooling and shaping, then molds, and cuts off extra riser material after die sinking with cutting machine.
The present invention also proposes a kind of forming module of the double-wall corrugated pipe casings of HDPE, the double-wall corrugated pipe casings of the HDPE at
Pattern block is taken shape in copper tube in module by the aluminium alloy that aluminium alloy casting is cooled to using method as described above, due to
The forming module of the double-wall corrugated pipe casings of the HDPE uses whole technical solutions of above-mentioned all embodiments, therefore at least has
All advantageous effects caused by the technical solution of above-described embodiment, this is no longer going to repeat them.
The forming module of the double-wall corrugated pipe casings of HDPE, including aluminium alloy, module and copper tube, using such as above-mentioned institute
Method is stated to take shape in copper tube in module by the aluminium alloy that aluminium alloy casting is cooled to.Preferably, a kind of HDPE double-walleds wave
The forming module of line pipe casing, including module body further include aluminium alloy, module and copper tube, using side as described above
Method is taken shape in copper tube in module body by the aluminium alloy that aluminium alloy casting is cooled to.
Preferably, the copper tube be bent into matching forming module U-shaped arc side be fixed on molding mold to be cast
It is interior.
Preferably, the intermediate position of the copper tube is drilled with several gas vents, and the gas vent is in the same size, spacing is uniform
Arrangement.
Preferably, a diameter of 0.3mm of the gas vent.
Preferably, the appearance of the copper tube is enclosed with high-temperaure coating, and the thickness of the high-temperaure coating is in 0.5-
Between 1mm.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of method of HDPE double-wall corrugated pipes casting and forming module, which is characterized in that include the following steps：
The pretreatment of the pre-buried copper tubes of S10：The copper oxide layer of predetermined length red copper pipe surface is cleaned, and is applied in red copper tube outer surface
Brush high-temperature resistant coating；
The pre-buried copper tube of S20 bendings：After drilling out several gas vents on copper tube, it is bent into and is matched with module shape
Shape；
The molding fixation of S30 modules：The effective iron wire of red copper of institute's bending is fixed in molding mold to be cast；
S40 is to die casting molten aluminium alloy：The molten aluminium alloy of casting high temperature into casting mould；
Coefficient of thermal expansion of the S50 according to copper tube in casting, carries out hot investment casting.
2. the method for HDPE double-wall corrugated pipes casting and forming module as described in claim 1, which is characterized in that the S40：To
It slowly casts in casting mould the molten aluminium alloy of high temperature, and constantly stirs poured into a mould molten aluminium alloy melt.
3. the method for HDPE double-wall corrugated pipes casting and forming module as described in claim 1, which is characterized in that the S30 it
Afterwards, before the S40 further include mold preheating：Casting mould is preheated to 300-500 DEG C.
4. the method for HDPE double-wall corrugated pipes casting and forming module as described in claim 1, which is characterized in that the S40 tools
Body is：By the way of low-pressure side casting, casting module lateral recumbent posture is placed, the aluminium alloy for high temperature of casting into casting mould is molten
Liquid makes it fill up entire mold cavity by molten aluminium alloy its own gravity by the riser on mold.
5. the method for HDPE double-wall corrugated pipes casting and forming module as described in claim 1, which is characterized in that in described 50 into
Row hot investment casting is specially：After molten aluminium alloy completely fills out mold, cooling and shaping is carried out to mold, is then molded, is molded
Extra riser material is cut off with cutting machine afterwards.
6. a kind of forming module of the double-wall corrugated pipe casings of HDPE, including module body, which is characterized in that further include aluminium alloy,
Module and copper tube, will by the aluminium alloy that aluminium alloy casting is cooled to using method as described in any one in claim 1-5
Copper tube takes shape in module body.
7. the forming module of the double-wall corrugated pipe casings of HDPE as claimed in claim 6, which is characterized in that the copper tube bending
It is fixed in molding mold to be cast at the U-shaped arc side of matching forming module.
8. the forming module of the double-wall corrugated pipe casings of HDPE as described in claim 1, which is characterized in that in the copper tube
Between position be drilled with several gas vents, the gas vent is in the same size, spacing is evenly arranged.
9. the forming module of the double-wall corrugated pipe casings of HDPE as claimed in claim 8, which is characterized in that the gas vent it is straight
Diameter is 0.3mm.
10. the forming module of the double-wall corrugated pipe casings of HDPE as claimed in claim 6, which is characterized in that the copper tube
Appearance is enclosed with high-temperaure coating, and the thickness of the high-temperaure coating is between 0.5-1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583037.XA CN108655371A (en) | 2018-06-07 | 2018-06-07 | A kind of forming module of HDPE double-wall corrugated pipes and its molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810583037.XA CN108655371A (en) | 2018-06-07 | 2018-06-07 | A kind of forming module of HDPE double-wall corrugated pipes and its molding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108655371A true CN108655371A (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810583037.XA Pending CN108655371A (en) | 2018-06-07 | 2018-06-07 | A kind of forming module of HDPE double-wall corrugated pipes and its molding method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479968A (en) * | 2019-08-27 | 2019-11-22 | 安徽瑞通塑业有限公司 | A kind of method of HDPE double-wall corrugated pipe casting and forming module |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003068482A1 (en) * | 2002-02-14 | 2003-08-21 | Denki Kagaku Kogyo Kabushiki Kaisha | Method for manufacturing double-wall corrugated tube |
| CN102764855A (en) * | 2012-07-24 | 2012-11-07 | 滁州金诺实业有限公司 | Technique for embedding stainless steel tube in large-size aluminum alloy casting blank |
| CN104384443A (en) * | 2014-11-07 | 2015-03-04 | 滁州金诺实业有限公司 | Process for fabricating template pipe-containing cast part in manner of pre-embedding stainless steel pipeline |
| CN104525858A (en) * | 2014-12-15 | 2015-04-22 | 滁州金诺实业有限公司 | Vacuum casting process of embedded pipe of aluminum alloy casting for home appliance mold |
| CA2857695A1 (en) * | 2014-07-23 | 2016-01-23 | Manfred A. A. Lupke | Mold block with improved air cooling |
-
2018
- 2018-06-07 CN CN201810583037.XA patent/CN108655371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003068482A1 (en) * | 2002-02-14 | 2003-08-21 | Denki Kagaku Kogyo Kabushiki Kaisha | Method for manufacturing double-wall corrugated tube |
| CN102764855A (en) * | 2012-07-24 | 2012-11-07 | 滁州金诺实业有限公司 | Technique for embedding stainless steel tube in large-size aluminum alloy casting blank |
| CA2857695A1 (en) * | 2014-07-23 | 2016-01-23 | Manfred A. A. Lupke | Mold block with improved air cooling |
| CN104384443A (en) * | 2014-11-07 | 2015-03-04 | 滁州金诺实业有限公司 | Process for fabricating template pipe-containing cast part in manner of pre-embedding stainless steel pipeline |
| CN104525858A (en) * | 2014-12-15 | 2015-04-22 | 滁州金诺实业有限公司 | Vacuum casting process of embedded pipe of aluminum alloy casting for home appliance mold |
Non-Patent Citations (1)
| Title |
|---|
| 周灵革;: "铝合金车轮铸造方法评析", 摩托车信息, no. 03 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479968A (en) * | 2019-08-27 | 2019-11-22 | 安徽瑞通塑业有限公司 | A kind of method of HDPE double-wall corrugated pipe casting and forming module |
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