CN204770535U - Hollow for cast tube core of vertical semi -continuous casting thin wall - Google Patents
Hollow for cast tube core of vertical semi -continuous casting thin wall Download PDFInfo
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- CN204770535U CN204770535U CN201520467703.5U CN201520467703U CN204770535U CN 204770535 U CN204770535 U CN 204770535U CN 201520467703 U CN201520467703 U CN 201520467703U CN 204770535 U CN204770535 U CN 204770535U
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- core print
- escape pipe
- crystallisation
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- cast tube
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Abstract
The utility model belongs to the technical field of the metal alloy ization casting equipment, a structure of hollow for cast tube core of vertical semi -continuous casting thin wall for having spindle type inner chamber (9) is related to, be linkage segment (1), pouring sizing section (2) and cooling crystallized region (3) from top to bottom in proper order, the outer wall of pouring sizing section (2) is served as reasons and is gone up downward flaring footpath and smooth transition's arcwall face, and forms enough big pouring spaces of upper portion between the internal face of crystallizer (16), cooling crystallized region (3) is the circular cone stage body in convergent footpath from top to bottom, and cools off smooth transition between crystallized region (3) and the pouring sizing section (2), the inclination of cooling crystallized region (3) is 1-3, the bottom of core be provided with be used for with spindle type inner chamber confined bottom plate (6), the core still is provided with outlet duct and inlet tube (13). The utility model discloses it is up -to -standard to cast out interior tissue, and internal and external surface is flawless, the hollow cast tube of the qualified thin wall of dimensional tolerance.
Description
Technical field
The utility model belongs to metallic alloying Casting Equipment technical field, relates generally to a kind of vertical semi-continuous casting thin-walled hollow cast tube core print.
Background technology
The foundry engieering that semi-continuous casting copper alloy casting ingot is best beyond doubt, there is good ingot quality and economic casting speed, the crystallizer semi-continuous casting solid copper alloy cast ingot of copper alloy processing enterprise many employings centreless, then realizes the production of copper alloy tube through high-temperature heating and large-size extruder hot extrusion.If without extruding, hollow cast ingot semi-continuous casting hollow cast ingot can be obtained, certainly will greatly save energy resource consumption and manufacturing procedure, save a large amount of processing charges, the actual demand of the hollow cast tube of special occasions can be met.
At present, the hollow cast tube production technology of comparative maturity mainly comprises centrifugal casting and continuous up-casting, horizontal continuous casting technology.Centrifugal casting technique generally adopts in the Foundry Production of a lot of large-scale copper sheathing, and its main feature is that foundry goods diameter and wall thickness are comparatively large, without the need to directly using through pressure processing after having cast, allows the defect of certain size to exist in foundry goods.Horizontal continuous-casting hollow ingot technology and continuous up-casting coil pipe production technology, be mainly applicable to the small dimension cast tube ingot blank that casting diameter is less than 100, for the production of small dimension thin-walled condenser pipe coil pipe.The technology of semi-continuous casting hollow copper alloy cast tube is actually rare at home and abroad.For many years, people study by arranging cooling core print in original Semi-continuous casting crystallizer always, realize the production of the hollow cast tube of semi-continuous casting, the main difficult problem that there are two aspects: one is that casting process hollow core cast tube cooling meat is held core print tightly and caused casting not carry out continuously; Two is the restrictions receiving casting system space, cannot realize the requirement meeting cast tube thin-walled property.Development cost is cheap, castability is good, the hollow semi-continuous casting technology of thin-walled is the direction of market development demand.
Realize the production of the hollow cast tube of large size copper alloy thin-wall, the mould of crystallization casting is difficult point and the key of technology.Making full use of the crystallizer die of original solid cast, design suitable core print, the thin-walled hollow cast tube that vertical semi-continuous casting mass is qualified, is the key problem in technology solving a hollow cast tube research and development difficult problem.The casting space of casting thin-walled hollow cast tube is narrow and small, and additional cast pond had not both had space to affect pouring temperature and mobility yet.The hollow cast tube of casting thin-walled, could reduce product weight and cost, reduces processing capacity, finally obtains thin-wall pipes pipe fitting end product, meet the need of market, and improves production efficiency and the economic benefit of product.
Utility model content
The purpose of this utility model proposes a kind of vertical semi-continuous casting thin-walled hollow cast tube core print, be assemblied on the crystallizer die of original solid cast, it is up-to-standard that Foundry Production goes out interior tissue, surfaces externally and internally zero defect, the thin-walled hollow cast tube that dimensional tolerance is qualified.
The utility model completes its utility model task and adopts following technical scheme:
A kind of vertical semi-continuous casting thin-walled hollow cast tube core print, described core print is the structure with spindle-type inner chamber, is followed successively by linkage section, cast sizing section and crystallisation by cooling section from top to bottom; Described cast sizing section and crystallisation by cooling section are positioned at crystallizer, and described linkage section is stretched out crystallizer and connected as one by jig and crystallizer; The outside wall surface of described cast sizing section is flaring footpath the arcwall face seamlessly transitted from top to bottom, and form the casting space that top is enough large between the internal face of crystallizer, and the arcwall face that cast sizing section seamlessly transits ensures that potting syrup can fill casting space smoothly; Described crystallisation by cooling section is the circular cone stage body in convergent footpath from top to bottom, and seamlessly transit between described crystallisation by cooling section and cast sizing section, form the crystallisation by cooling cavity in flaring footpath from top to bottom between the crystallisation by cooling section in convergent footpath and the internal face of crystallizer, avoid the generation occurring thin-walled hollow cast tube cooling locking core print phenomenon; The gradient of described crystallisation by cooling section is 1 ~ 3 °, avoids the generation occurring thin-walled hollow cast tube cooling bleedout phenomenon; The bottom of described core print is provided with the base plate in order to be closed by described spindle-type inner chamber; Described core print is also provided with escape pipe and water inlet pipe; Described water inlet pipe is connected with described linkage section, and is connected with described spindle-type cavity; Described base plate has the multiple apopores be uniformly distributed along the circumference, described apopore is by interior outward-dipping inclined hole, in order to the internal face of forming thin-walled hollow cast tube cool; The two ends of described escape pipe are stretched out core print respectively and are communicated with extraneous and crystallizer internal cavity, in order to discharge the steam produced in cooling procedure.
The wall thickness pouring into a mould sizing section described in core print is 10 ~ 20mm.
Described in core print, the wall thickness of crystallisation by cooling section is 10mm.
In order to improve anti-wear performance and the service life of core print, the outside wall surface of described core print is electroplate with the chromium that thickness is 0.08mm.
The angle of described apopore and vertical direction is 15 °.
Linkage section described in core print has the screwed hole I of escape pipe and the screwed hole II in order to be installed into water pipe are installed, described base plate has the through hole installing escape pipe; Described escape pipe comprises escape pipe and lower escape pipe; Described upper escape pipe is that lower end has externally threaded L-type pipe, and described lower escape pipe is that upper and lower two ends all have externally threaded straight tube; The lower end of described upper escape pipe is threaded with the top of screwed hole I; The upper end of described lower escape pipe is connected with the lower thread of screwed hole I; The lower end of described lower escape pipe is stretched out through hole and is carried on the back by nut tight.
The material of described core print is the red copper material that the crystallizers such as T2 or TP2 are conventional.
A kind of vertical semi-continuous casting thin-walled hollow cast tube core print that the utility model proposes, adopt technique scheme, the utility model compared with prior art, can coordinate with existing solid cast pipe crystallizer, cast out up-to-standard thin-walled hollow cast tube; The outside wall surface of core print cast sizing section is flaring footpath the arcwall face seamlessly transitted from top to bottom, and forms the enough large casting space in top between the internal face of crystallizer, meets the needs of cast; The arcwall face that cast sizing section seamlessly transits simultaneously ensure that potting syrup fills casting space smoothly, solves a difficult problem for the bad cast of thin-walled hollow cast tube; The crystallisation by cooling section of core print adopts the circular cone stage body in convergent footpath, the crystallisation by cooling cavity in flaring footpath is formed between the crystallisation by cooling section in convergent footpath and the internal face of crystallizer, avoid the generation occurring thin-walled hollow cast tube cooling locking core print phenomenon, the gradient of crystallisation by cooling section is 1 ~ 3 °, also can avoid the generation occurring thin-walled hollow cast tube cooling bleedout phenomenon, ensure that the smooth casting crystallisation by cooling of thin-walled hollow cast tube; Solved a difficult problem for the steam discharge cooling generation in thin-walled hollow cast tube casting process by set escape pipe, for Foundry Production goes out, interior tissue is up-to-standard, surfaces externally and internally zero defect, and the thin-walled hollow cast tube that dimensional tolerance is qualified is laid a good foundation; There is the advantage that structure is simple, easy to operate, cost is low, result of use is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is using state figure of the present utility model.
In figure: 1, linkage section, 2, cast sizing section, 3, crystallisation by cooling section, 4, apopore, 5, through hole, 6, base plate, 7, base plate external screw thread, 8, core print, 9, spindle-type cavity, 10, lower escape pipe, 11, screwed hole I, 12, screwed hole II, 13, water inlet pipe, 14, upper escape pipe, 15, thin-walled hollow cast tube, 16, crystallizer, 17, jig, 18, running gate system.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, and with reference to Fig. 2, a kind of vertical semi-continuous casting thin-walled hollow cast tube core print, described core print is the structure with spindle-type inner chamber 9, is followed successively by linkage section 1, cast sizing section 2 and crystallisation by cooling section 3 from top to bottom; Described cast sizing section 2 and crystallisation by cooling section 3 are positioned at crystallizer 16, and described linkage section 1 is stretched out crystallizer 16 and connected as one by jig 17 and crystallizer 16; The outside wall surface of described cast sizing section 2 is flaring footpath the arcwall face seamlessly transitted from top to bottom, and form the casting space that top is enough large between the internal face of crystallizer, and the arcwall face that cast sizing section seamlessly transits ensure that potting syrup fills casting space smoothly; Described crystallisation by cooling section 3 is the circular cone stage body in convergent footpath from top to bottom, and seamlessly transit between described crystallisation by cooling section 3 and cast sizing section 2, form the crystallisation by cooling cavity in flaring footpath between the crystallisation by cooling section 3 in convergent footpath and the internal face of crystallizer 16, avoid the generation occurring thin-walled hollow cast tube cooling locking core print phenomenon; The gradient of described crystallisation by cooling section 3 is 1 ~ 3 °, avoids the generation occurring thin-walled hollow cast tube cooling bleedout phenomenon; The bottom of described core print is provided with the base plate 6 in order to be closed by described spindle-type inner chamber; Described core print is also provided with escape pipe and water inlet pipe 13; Described linkage section 1 has to install the screwed hole I 11 of escape pipe and the screwed hole II 12 in order to be installed into water pipe 13; Described base plate 6 has the through hole 5 installing escape pipe, and described through hole 5 is connected with described spindle-type cavity 9; Described water inlet pipe 13 is arranged on described linkage section 1, and is connected with described spindle-type cavity 9; Described base plate 6 has the multiple apopores 4 be uniformly distributed along the circumference, described apopore is 4 inclined holes tilted from inside to outside, and the angle of described apopore and vertical direction is 15 °, in order to the internal face of forming thin-walled hollow cast tube cool; The two ends of described escape pipe are stretched out core print respectively and are communicated with extraneous and crystallizer internal cavity, and described escape pipe comprises escape pipe 14 and lower escape pipe 10; Described upper escape pipe 14 is externally threaded L-type pipe for lower end has, and described lower escape pipe 10 all has externally threaded straight tube for upper and lower two ends; The lower end of described upper escape pipe 14 is threaded with the top of screwed hole I 11; The upper end of described lower escape pipe 10 is connected with the lower thread of screwed hole I 11, and is communicated with described upper escape pipe 14; The lower end of described lower escape pipe 10 is stretched out vent hole 5 and is carried on the back by nut tight; In order to discharge the steam produced in cooling procedure.
The wall thickness pouring into a mould sizing section described in core print is 10 ~ 20mm.
Described in core print, the wall thickness of crystallisation by cooling section is 10mm.
In order to improve anti-wear performance and the service life of core print, the outside wall surface of described core print is electroplate with the chromium that thickness is 0.08mm.
The material of described core print is the red copper material that the crystallizers such as T2 or TP2 are conventional.
As shown in Figure 2, water inlet pipe 13 and upper escape pipe 14 in use, are arranged on linkage section 1, guarantee good seal by the utility model; Base plate 6 is arranged in the base thread 7 of core print 8, then by the upper end of lower escape pipe 10 by Screw assembly on the screwed hole I 11 of linkage section 1, lower end, through the through hole 5 of spindle-type cavity 9 and base plate 6, is fixed on base plate 6 with nut and sealing gasket; Clamp linkage section 1 finally by jig 17 core print is arranged on the crystallizer 16 of solid cast, and be fixed, coordinate other device systems, then can Foundry Production thin-walled hollow cast tube 15 product; This core print has larger casting space, running gate system 18 can be poured into a mould by the casting space between cast sizing section 2 outside wall surface and crystallizer internal face, crystallisation by cooling casting thin-walled hollow cast tube 15, the thinnest about the 10mm that reaches of wall thickness of thin-walled hollow cast tube 15 is realized in crystallisation by cooling section 3 region; Avoid occurring locking and bleedout when casting thin-walled hollow cast tube 15, the water vapour that the cooling of thin-walled hollow cast tube 15 inwall produces also can be discharged smoothly.
Claims (6)
1. a vertical semi-continuous casting thin-walled hollow cast tube core print, is characterized in that: described core print, for having the structure of spindle-type inner chamber (9), is followed successively by linkage section (1), cast sizing section (2) and crystallisation by cooling section (3) from top to bottom; Described cast sizing section (2) and crystallisation by cooling section (3) are positioned at crystallizer (16), and described linkage section (1) is stretched out crystallizer (16) and connected as one by jig (17) and crystallizer (16); The outside wall surface of described cast sizing section (2) is flaring footpath the arcwall face seamlessly transitted from top to bottom, and forms the enough large casting space in top between the internal face of crystallizer (16); Described crystallisation by cooling section (3) is the circular cone stage body in convergent footpath from top to bottom, and seamlessly transit between described crystallisation by cooling section (3) and cast sizing section (2), form the crystallisation by cooling cavity in flaring footpath from top to bottom between the crystallisation by cooling section (3) in convergent footpath and the internal face of crystallizer (16); The gradient of described crystallisation by cooling section (3) is 1 ~ 3 °; The bottom of described core print is provided with the base plate (6) in order to be closed by described spindle-type inner chamber; Described core print is also provided with escape pipe and water inlet pipe (13); Described water inlet pipe (13) is connected with described linkage section (1), and is connected with described spindle-type cavity (9); Described base plate (6) has the multiple apopores (4) be uniformly distributed along the circumference, described apopore (4) is by interior outward-dipping inclined hole; The two ends of described escape pipe are stretched out core print respectively and are communicated with extraneous and crystallizer internal cavity.
2. a kind of vertical semi-continuous casting thin-walled hollow cast tube core print according to claim 1, is characterized in that: the wall thickness pouring into a mould sizing section (2) described in core print is 10 ~ 20mm.
3. a kind of vertical semi-continuous casting thin-walled hollow cast tube core print according to claim 1, is characterized in that: described in core print, the wall thickness of crystallisation by cooling section (3) is 10mm.
4. a kind of vertical semi-continuous casting thin-walled hollow cast tube core print according to claim 1, is characterized in that: the outside wall surface of described core print is electroplate with the chromium that thickness is 0.08mm.
5. a kind of vertical semi-continuous casting thin-walled hollow cast tube core print according to claim 1, is characterized in that: described apopore (4) is 15 ° with the angle of vertical direction.
6. a kind of vertical semi-continuous casting thin-walled hollow cast tube core print according to claim 1, it is characterized in that: linkage section described in core print (1) has install the screwed hole I (11) of escape pipe and the screwed hole II (12) in order to be installed into water pipe, described base plate (6) has the through hole (5) installing escape pipe; Described escape pipe comprises escape pipe (14) and lower escape pipe (10); Described upper escape pipe (14) is externally threaded L-type pipe for lower end has, and described lower escape pipe (10) all has externally threaded straight tube for upper and lower two ends; The lower end of described upper escape pipe (14) is threaded with the top of screwed hole I (11); The upper end of described lower escape pipe (10) is connected with the lower thread of screwed hole I (11); The lower end of described lower escape pipe (10) is stretched out through hole (5) and is carried on the back by nut tight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467703.5U CN204770535U (en) | 2015-06-30 | 2015-06-30 | Hollow for cast tube core of vertical semi -continuous casting thin wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467703.5U CN204770535U (en) | 2015-06-30 | 2015-06-30 | Hollow for cast tube core of vertical semi -continuous casting thin wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204770535U true CN204770535U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520467703.5U Expired - Fee Related CN204770535U (en) | 2015-06-30 | 2015-06-30 | Hollow for cast tube core of vertical semi -continuous casting thin wall |
Country Status (1)
| Country | Link |
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| CN (1) | CN204770535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923753A (en) * | 2015-06-30 | 2015-09-23 | 洛阳双瑞达特铜有限公司 | Core print for vertical type semicontinuous casting of thin-wall hollow cast tube |
-
2015
- 2015-06-30 CN CN201520467703.5U patent/CN204770535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923753A (en) * | 2015-06-30 | 2015-09-23 | 洛阳双瑞达特铜有限公司 | Core print for vertical type semicontinuous casting of thin-wall hollow cast tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160630 |