CN100566883C - The method of cooling cast hollow core clava blank with endoporus water as well and device thereof - Google Patents
The method of cooling cast hollow core clava blank with endoporus water as well and device thereof Download PDFInfo
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- CN100566883C CN100566883C CNB2007100315995A CN200710031599A CN100566883C CN 100566883 C CN100566883 C CN 100566883C CN B2007100315995 A CNB2007100315995 A CN B2007100315995A CN 200710031599 A CN200710031599 A CN 200710031599A CN 100566883 C CN100566883 C CN 100566883C
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Abstract
The invention discloses a kind of method and device thereof of endoporus water cooling casting hollow rod base, comprise outer crystallizer, interior crystallizer and dummy ingot seat, it is indoor to be located at casting by the interior crystallizer of the excellent base endoporus of being used to form of inner water quench, open the interior cooling water in the interior crystallizer, it is indoor simultaneously point molten metal to be injected casting, and the fused solution around the interior crystallizer device forms the hollow hole that solidifies; The drop-down out crystallizer of hollow bar base that will solidify by the dummy ingot seat is opened the outer cooling water that cools off outer crystallizer simultaneously then, continues to the indoor injection point molten metal of casting.The present invention adopts the hollow bar base in the different apertures of intercrystalline pattern casting method Birmasil, because casting hollow rod is by inside and outside water cooling, so casting rate is faster than the casting solid bar, also just must enhance productivity, and need not the boring procedure of processing in later stage, therefore production efficiency further improves, and cost descends.
Description
Technical field
The present invention relates to the foundry engieering of aluminium alloy hollow bar base.
Technical background
The extruding of aluminium alloy seamless pipe, need to use hollow bar as turned blank, and the processing method of aluminium alloy hollow bar base commonly used is a mechanical processing method, this method is to carry out the aluminum alloy solid rod earlier, need saw to cut into chunks by producing, and then process endoporus with lathe or drilling machine.Process the hollow bar base in this way, the waste material of generation is many, the production cost height, and efficient is low.
Summary of the invention
For addressing the above problem, the purpose of this invention is to provide a kind of method of endoporus water cooling casting hollow rod base, it can improve production efficiency greatly, reduces production costs.
Another object of the present invention provides a kind of device of endoporus water cooling casting hollow rod base, and hollow blank that can the various different apertures of high efficiency production is produced required to satisfy squeezing seamless pipe.
To achieve the above object, the present invention has adopted following technical scheme: a kind of method of endoporus water cooling casting hollow rod base, it is characterized in that: cast the indoor interior crystallizer that forms excellent base endoporus by water-cooled that is provided with, open the interior cooling water in the interior crystallizer, it is indoor simultaneously point molten metal to be injected casting, and the fused solution around the interior crystallizer device forms the hollow hole that solidifies; With pulling out the casting chamber under the hollow bar base that the general who has surrendered is solidified under the dummy ingot seat of interior crystallizer lower end, open the outdoor outer cooling water of casting simultaneously then, continue to make casting continuously to the indoor injection point molten metal of casting.
A kind of device of endoporus water cooling casting hollow rod base is characterized in that comprising: by the water-cooled outer crystallizer of external refrigeration; By the interior crystallizer of the excellent base endoporus of being used to form of inner water quench, it is fixedly arranged in the outer crystallizer, and the space between the outer crystallizer constitutes the casting chamber; Be positioned at outer crystallizer and be plugged in the interior crystallizer lower end in when beginning casting and be used for the hollow bar base that solidifies is pulled out the dummy ingot seat of casting the chamber.
The present invention adopts the hollow bar base in the different apertures of intercrystalline pattern casting method Birmasil, because casting hollow rod is by inside and outside water cooling, so casting rate is faster than the casting solid bar, also just must enhance productivity, and need not the boring procedure of processing in later stage, therefore production efficiency further improves, and cost descends.
Description of drawings
Fig. 1 is the overall structure schematic diagram of apparatus of the present invention;
Fig. 2 a～2c is respectively the A portion enlarged drawing among interior crystallizer support front view of the present invention, vertical view and Fig. 2 b;
Fig. 3 is interior crystallizer cooling of the present invention and exhaust structure schematic diagram;
Fig. 4 a, 4b are respectively the B-B profiles of interior crystallizer of the present invention and weather board structure upward view and Fig. 4 a;
Fig. 5 is dummy ingot seat reducing of the present invention and discharge structure schematic diagram;
Fig. 6 a, 6b are respectively the C-C profiles of muff gland vertical view of the present invention and Fig. 6 b.
The specific embodiment
The method of endoporus water cooling casting hollow rod base of the present invention, adopt vertical semi-continuous casting, it casts the indoor interior crystallizer 14 that forms excellent base endoporus by water-cooled that is provided with, at first open the interior cooling water of 14 li of interior crystallizers, it is indoor simultaneously point molten metal to be injected casting, and the fused solution around the interior crystallizer 14 forms the hollow hole that solidifies at this moment; The hollow bar base that solidifies is then pulled out the casting chamber with the dummy ingot seat decline of interior crystallizer lower end, opens the outdoor outer cooling water of casting simultaneously, continues to the indoor injection point molten metal of casting.In casting process, open interior cooling water earlier, inject point molten metal, hollow bar base to be solidified with the dummy ingot seat descend begin to pull out down when casting the chamber again over cooling water, the pressure of cooling water inside and outside controlling well simultaneously, the hydraulic pressure of interior cooling water is 0.01～0.05MPa, the hydraulic pressure of outer cooling water is 0.04～0.08Mpa, interior in the present embodiment hydraulic pressure 0.03MPa, outer hydraulic pressure 0.06MPa.Interior crystallizer 14 is to adopt the high material of thermal conductivity, and casting method is the inside and outside casting method casting hollow rod of cooling simultaneously.
As shown in Figure 1, the device of endoporus water cooling casting hollow rod base of the present invention comprises: by the water-cooled outer crystallizer 17 of external refrigeration; By the interior crystallizer 14 of the excellent base endoporus of being used to form of inner water quench, it is fixedly arranged in the outer crystallizer 17, and the space between the outer crystallizer 17 constitutes the casting chamber; Be positioned at outer crystallizer 17 and be plugged in interior crystallizer 14 lower ends in when beginning casting and be used for the hollow bar base that solidifies is pulled out the dummy ingot seat 16 of casting the chamber.
Because the effect of cooling water, dummy ingot seat 16 and inside and outside crystallizer 14,17 temperature all are lower than the molten metal freezing point, therefore, can form solidified shell (casting rod) near the molten metal of casting chamber locular wall is surperficial.Along with the continuous enhancing of intensity of cooling, the molten metal temperature constantly descends, and molten metal can constantly solidify and form the casting rod.At this moment, dummy ingot seat 16 slowly descends, and the casting of having solidified is excellent can be with 16 declines of dummy ingot seat, and hollow casting rod has the aluminum melt injection casting of new higher temperature indoor again when slowly leaving inside and outside crystallizer, casts rod thereby form continuous solidifying.
As shown in Figure 3, interior crystallizer 14 is the Outer Taper of hollow, can prevent to embrace when the aluminum melt condensation from shrinking interior crystallizer 14.Interior crystallizer 14 upper ends are vertically connected with can be to the interior cooling tube 7 of its inner input cooling water, and the lower end is connected to weather board 15.Little seamless steel pipe, and is in communication with the outside through interior cooling tube 7, interior crystallizer 14 and weather board 15 as blast pipe 1.Interior cooling tube 7 is threaded seamless steel pipes, and the upper end is connected with threeway water pipe head 3, cooling tube 7 in cooling water enters from threeway water pipe head 3.Threeway water pipe head 3 is connected with adjustment nut 2 again, adjusts nut 2 and is connected with blast pipe 1 upper end again; Cooling tube 7 lower ends are with the interior crystallizer 14 that is threaded, and are loosening when casting for anti-interior crystallizer 14, install locking nut 13 additional with interior crystallizer 14 lockings.Shown in Fig. 4 a, 4b, weather board 15 offers the hole for water spraying of two row's different angles, and preferably, the water spray angle beta 1 of two row's hole for water sprayings and the dried up crystallizer distance L of intersection point (landing point of promptly spraying water) of β 2 are 16～20 centimetres.Blast pipe 1 lower end connects weather board 15, and it is fixing that a nut 18 is housed below.Interior cooling tube 7 is set with resistant to elevated temperatures insulating tube 10 with the upper section of interior crystallizer 14 link positions, and insulating tube 10 contacts with interior crystallizer 14, and the centre is lined with two layers of insulation fibre paper.Locking nut 8 is equipped with in insulating tube 10 upper ends.The insulating tube 10 of grinding away during for anti-nut 8 rotations adds a pad 9 in the centre.
The position of the corresponding insulating tube 10 in outer crystallizer 17 tops is provided with muff 12, leaves the space that holds point molten metal between insulating tube 10 and the muff 12, and insulating tube 10 and muff 12 are fixedly clamped by muff gland 11.Muff 12 outer crystallizers 17 of quilt and muff gland 11 neither can be inserted aluminium with its clamping, also can not leak cooling water.Interior cooling tube 7 runs through muff gland 11, and affixed by intercrystalline appliance stand 5 and muff gland 11, and intercrystalline appliance stand 11 is concentric with inside and outside crystallizer.
For guaranteeing the axiality of interior crystallizer 14 and outer crystallizer 17, when processing intercrystalline appliance stand 5, shown in Fig. 2 a～2c, intercrystalline appliance stand 5 must improve the axialities of holes 51 and cylindrical 52.The intercrystalline device can not fall down when turning over for making, and has 3 deep-slotted chip breakers or arcuate socket 53 on the lower flange of support 5, and 3 grooves or hole are uniform, and the big hole R1 in the arcuate socket 53 and the center of circle of small sircle hole R2 are 10 degree along the angle of the axial line of support 5.And the lower flange of support 5 is contained in the hole 111 of muff gland 11.Shown in Fig. 6 a, 6b: in order to guarantee the axiality in hole 111 and the hole 51 of Fig. 2, must improve machining accuracy, 3 screw holes that end face 112 is provided with are equipped with 3 bolts 20, in order to the intercrystalline appliance stand to be installed.During installation 3 big hole R1 of the arcuate socket 53 of intercrystalline appliance stand 5 being aimed at bolts 20 puts in the hole 111 of insulation glands 11, rotate 10 degree then along clockwise direction, bolt 20 is promptly by small sircle hole R2 clamping, the intercrystalline appliance stand has just been fixed fast, the mounting or dismounting simple and fast.
As shown in Figure 5, dummy ingot seat 16 central authorities offer the osculum for the band internal taper of interior crystallizer 14 grafting usefulness.This dummy ingot seat osculum can be tapped inner cone, and spinning for the drill holder 19 of casting different internal orifice dimensions uses is installed in the osculum.
Casting process:
Before the casting beginning, earlier interior crystallizer 14 is inserted in dummy ingot seats 16 osculums, adjust the gap of interior crystallizer 14 and dummy ingot seat 16 taper holes, can in dummy ingot seat 16 taper holes, freely rotate with interior crystallizer 14 and be advisable, the gap can not be big, otherwise can leak aluminium liquid and influence casting.
Interior cooling water is opened in the casting beginning earlier, and is again that metallic aluminium fused solution injection casting is indoor.Dummy ingot seat 16 slowly descends then, the casting rod that has solidified can descend with dummy ingot seat 16 and skid off outer crystallizer 17, open outer cooling water simultaneously, inject water diversion disk water tank 21 for the excellent periphery cooling water of casting, outer crystallizer 17 is provided with the entad aperture 22 of water spray of two rows, cooling water directly sprays to the excellent outside of casting and forms water jacket, the ecto-entad cooling.And the weather board 15 on the interior crystallizer 14 is provided with the outwards aperture of water spray of two rows, from inside to outside cooling.Continue to inject point molten metal, the inside and outside cooling of casting rod at this moment, the metal dissolution liquid of close outer crystallizer wall and intercrystalline wall is frozen into hollow casting rod.Because the intercrystalline device connects very tight and firm, can not leak.The hollow bar endoporus that casts out like this is not eccentric, and smooth again.
The present invention is applicable to the aluminium alloy hollow bar of the various series alloys of casting.
Claims (10)
1. the method for an endoporus water cooling casting hollow rod base, it is characterized in that: cast the indoor interior crystallizer that forms excellent base endoporus by water-cooled that is provided with, open the interior cooling water in the interior crystallizer, simultaneously that point molten metal injection casting is indoor, the fused solution around the interior crystallizer forms the hollow hole that solidifies; The hollow bar base that solidifies is then pulled out the casting chamber with the dummy ingot seat decline of interior crystallizer lower end, opens the outdoor outer cooling water of casting simultaneously, continues to the indoor injection point molten metal of casting.
2. the method for endoporus water cooling casting hollow rod base according to claim 1 is characterized in that: the hydraulic pressure of cooling water is 0.01～0.05MPa in described, and the hydraulic pressure of outer cooling water is 0.04～0.08Mpa.
3. the device of an endoporus water cooling casting hollow rod base is characterized in that comprising:
～by the water-cooled outer crystallizer of external refrigeration;
～by the interior crystallizer of the excellent base endoporus of being used to form of inner water quench, it is fixedly arranged in the outer crystallizer, and the space between the outer crystallizer constitutes the casting chamber;
～be positioned at outer crystallizer and be plugged in the interior crystallizer lower end in when beginning casting and be used for the hollow bar base that solidifies is pulled out the dummy ingot seat of casting the chamber.
4. the device of endoporus water cooling casting hollow rod base according to claim 3 is characterized in that: described interior crystallizer is an Outer Taper, offers the osculum for the band internal taper of interior crystallizer grafting usefulness on the described dummy ingot seat.
5. the device of endoporus water cooling casting hollow rod base according to claim 4 is characterized in that: described dummy ingot seat osculum is tapped inner cone, and the drill holder that uses for the different internal orifice dimensions of casting is rotatably connected in the osculum.
6. the device of endoporus water cooling casting hollow rod base according to claim 3, it is characterized in that: described interior crystallizer upper end is vertically connected with can be to the interior cooling tube of its inner input cooling water, the lower end is connected to weather board, and a blast pipe that is in communication with the outside is through interior cooling tube, interior crystallizer and weather board.
7. the device of endoporus water cooling casting hollow rod base according to claim 6 is characterized in that: described weather board offers the hole for water spraying of the different water spray of two rows angle, and the intersection point of two row's hole for water spraying water spray angles and the distance of interior crystallizer are 16～20 centimetres.
8. the device of endoporus water cooling casting hollow rod base according to claim 6, it is characterized in that: the upper section of cooling tube and interior crystallizer link position is set with resistant to elevated temperatures insulating tube in described, the position of the corresponding insulating tube in described outer crystallizer top is provided with muff, leave the space that holds point molten metal between insulating tube and the muff, insulating tube and muff are fixedly clamped by the muff gland.
9. the device of endoporus water cooling casting hollow rod base according to claim 8 is characterized in that: cooling tube runs through the muff gland in described, and affixed by intercrystalline appliance stand and muff gland, and the intercrystalline appliance stand is concentric with inside and outside crystallizer.
10. the device of endoporus water cooling casting hollow rod base according to claim 9 is characterized in that: described intercrystalline appliance stand lower flange has deep-slotted chip breaker or hole, and the bolt that can connect and fix the intercrystalline appliance stand is housed on the muff gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100315995A CN100566883C (en) | 2007-11-22 | 2007-11-22 | The method of cooling cast hollow core clava blank with endoporus water as well and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100315995A CN100566883C (en) | 2007-11-22 | 2007-11-22 | The method of cooling cast hollow core clava blank with endoporus water as well and device thereof |
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| CN101161371A CN101161371A (en) | 2008-04-16 |
| CN100566883C true CN100566883C (en) | 2009-12-09 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875093A (en) * | 2010-06-13 | 2010-11-03 | 中国铝业股份有限公司 | Method for processing non-ferrous alloy rings |
| CN101941062B (en) * | 2010-10-08 | 2013-03-13 | 阎瑞河 | Vertical continuous casting method for large-scale annular casting blank |
| CN102756102B (en) * | 2011-04-25 | 2015-06-10 | 王晓邦 | Process and equipment for vertically and semi-continuously casting copper hollow round ingot inner hole with water cooling |
| CN102773427B (en) * | 2012-06-12 | 2015-04-22 | 中冶京诚工程技术有限公司 | Continuous casting device and method of large-section round billet |
| CN102773428B (en) * | 2012-06-12 | 2014-11-26 | 中冶京诚工程技术有限公司 | Continuous casting device and method of large-section continuously cast billet |
| CN102773430B (en) * | 2012-06-12 | 2014-07-02 | 中冶京诚工程技术有限公司 | Continuous casting device and method of large-section hollow pipe billet |
| WO2013185290A1 (en) * | 2012-06-12 | 2013-12-19 | 中冶京诚工程技术有限公司 | Device and method for casting continuously cast billet having large section |
| CN102909324A (en) * | 2012-11-21 | 2013-02-06 | 安陆火凤凰铝材有限责任公司 | Short crystallizer for casting hollow aluminum ingots |
| CN105333259A (en) * | 2014-08-14 | 2016-02-17 | 丹阳市利旺车辆部件有限公司 | High-strength process pipe inner connector and manufacturing technology thereof |
| CN111715723B (en) * | 2020-06-07 | 2024-03-08 | 张英华 | Production equipment and control method for high-temperature high-pressure seamless steel pipe |
| CN113976842B (en) * | 2021-11-03 | 2023-01-31 | 内蒙古展华科技有限公司 | Device for casting inner hole of hollow ingot |
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