CN203944807U - A kind of chill roll - Google Patents
A kind of chill roll Download PDFInfo
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- CN203944807U CN203944807U CN201420300586.9U CN201420300586U CN203944807U CN 203944807 U CN203944807 U CN 203944807U CN 201420300586 U CN201420300586 U CN 201420300586U CN 203944807 U CN203944807 U CN 203944807U
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- inner core
- fin
- described inner
- copper sheathing
- chill roll
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Abstract
The utility model discloses a kind of chill roll, comprise copper sheathing, inner core and two cover plates, described two cover plates are fixedly connected on respectively the opening two ends of described copper sheathing and coordinate with described copper sheathing and form one for holding the enclosure space of described inner core; Also comprise a main shaft, the center that described main shaft runs through described two cover plates and described inner core arranges, and offers cooling medium circulation passage in described main shaft; Wherein, described inner core is cylindrical structure, described inner core is provided with fin on the outer peripheral face of described copper sheathing, and described fin is spirally extended to the other end of described inner core, the helical duct passing through in order to form cooling medium around the outer peripheral face of described inner core from one end of described inner core.Copper sheathing of the present utility model is under High Rotation Speed, spirality fin is to being attached to the water generates agitaion of copper roller inner surface, and then overcome the laminar flow phenomenon existing between copper roller inner surface and recirculated water, and strengthen the cooling capacity of copper roller, guarantee the quality of amorphous band.
Description
Technical field
The utility model relates to a kind of chill roll, is specifically related to a kind of amorphous alloy Cast Strip equipment chill roll used that is applicable to, and belongs to heat transfer technology field.
Background technology
Non-crystaline amorphous metal is to develop in the world in recent decades novel-section very popular and that have a strategic meaning one of to be, in prior art, non-crystaline amorphous metal adopts flash set technology equipment conventionally, be cast on the cooling body of continuous motion or in cooling fluid alloy molten solution rapid solidification and form amorphous alloy by nozzle by the alloy molten solution of special component.The planar flow casting technology for making of amorphous alloy, be widely used in the production process of amorphous alloy ribbon, in amorphous alloy planar flow casting manufacturing apparatus has, cooling body is one of important component part of equipment, the cooling capacity of cooling body directly affects the Performance and quality of amorphous band, in the planar flow casting carrying device of amorphous alloy, the cooling body being widely adopted is the copper roller that adopts circulating water, in the time that alloy molten solution is cast in the outer surface of water-cooled copper roller by nozzle, because copper has larger heat-conducting system, make the heat of alloy molten solution conduct the inner surface that passes to rapidly copper roller by heat, the inner surface of copper roller has cooling water to pass through, therefore heat is recycled cooling water and takes away.
The preparation technology of amorphous band requires strict to chill roll surface temperature, because roll surface directly contacts with motlten metal, determining cooling velocity and the Forming Quality of metal, generally, the heat discharging in the time that motlten metal solidifies can not reach inner surface by cooling roller shell outer surface and the water that is cooled is taken away in time, will cause roller shell surface temperature to raise, the cooling velocity of molten metal declines, and finally can not get amorphous structure.Therefore, optimize the structure of chill roll, adjusting process parameter, is controlled at chill-roll temperature field in uniform temperature value, has great importance to obtaining high-quality amorphous alloy band.
Chinese patent literature CN103418764A discloses a kind of cooling roller device of producing amorphous nanocrystalline soft magnetic material, it mainly comprises roller matrix, roller shell, two cover plates and main shaft, main shaft is provided with roller matrix, roller matrix cylindrical side is provided with roller shell, roller matrix both sides are respectively equipped with two cover plates, and be connected by roller shell, two cover plate neighborings are provided with the bulge loop matching with roller shell, roller matrix cylindrical central area is provided with annular boss, roller shell inner surface central area is placed with spirality tank, the boss periphery laminating of spirality tank end face and roller matrix forms spirality flow of cooling water passage, two symmetrical equidistantly flow of cooling water passages of stairstepping annular about roller shell inner surface outside surrounds jointly with two cover plates and roller matrix periphery.On the inner surface of the roller shell of this chill roll, be provided with inside spin structure, its roller shell processing and manufacturing difficulty, the waste of copper roll material; In addition, above-mentioned helical structure is single-screw passage, its water velocity is relatively slow, monosymmetric stairstepping circular passage, in the time that rotating, chill roll can form eddy current, be unfavorable for passing through of cooling medium, and water velocity slows down and easily make the temperature difference of chill roll intake-outlet increase, affect the quality of amorphous band.
Utility model content
For solving the roller shell processing and manufacturing difficulty of chill roll in prior art, and in the cooling medium process of circulation, easily form eddy current, be unfavorable for the problem that cooling medium passes through, and then provide a kind of cooling capacity high, the simple novel chill roll of manufacture craft.
For this reason, the scheme that the utility model is taked is,
A kind of chill roll, comprise copper sheathing, inner core and two cover plates, described two cover plates are fixedly connected on respectively the opening two ends of described copper sheathing and coordinate with described copper sheathing and form one for holding the enclosure space of described inner core, between described inner core and described copper sheathing, have gap; Also comprise a main shaft, the center that described main shaft runs through described two cover plates and described inner core arranges, and offers cooling medium circulation passage in described main shaft; Wherein, described inner core is cylindrical structure, described inner core is provided with fin on the outer peripheral face of described copper sheathing, and described fin is spirally extended to the other end of described inner core, the helical duct passing through in order to form cooling medium around the outer peripheral face of described inner core from one end of described inner core; Described inner core is respectively water entering surface and goes out the water surface towards two end faces of described cover plate, described water entering surface and going out on the water surface, form respectively multiple by center to extraradial the first guiding gutter; Described main shaft comprises water inlet pipe and outlet pipe, in the enclosure space of described two cover plates and the formation of described copper sheathing, described water inlet pipe is provided with water inlet, described outlet pipe is provided with delivery port, described water inlet pipe is connected with described water entering surface by described water inlet, described outlet pipe by described delivery port with described in go out the water surface and be connected.
In above-mentioned chill roll, described cover plate is provided with second guiding gutter corresponding with described the first guiding gutter on the end face of described inner core, and described the first guiding gutter and described the second guiding gutter coordinate formation flow-guiding channel, circulate in order to guided.
In above-mentioned chill roll, the cross section of described flow-guiding channel is circular, and the degree of depth of described the first guiding gutter is greater than the degree of depth of described the second guiding gutter.
In above-mentioned chill roll, described the first guiding gutter is along described water entering surface and/or the radially extension that goes out the water surface, and described the first guiding gutter is evenly arranged at described water entering surface and goes out on the water surface, and its quantity is 40-60.
In above-mentioned chill roll, described inner core is provided with multiple fins on the outer peripheral face of described copper sheathing, and multiple described fin correspondences arrange and form the multi-head spiral passage that cooling medium passes through.
In above-mentioned chill roll, described fin is 2-5mm along described inner core width radially, described fin along described inner spindle to width be 4-8mm; The pitch of described multi-head spiral passage is 15-25mm.
In above-mentioned chill roll, described fin is 5mm along described inner core width radially, described fin along described inner spindle to width be 5mm, the pitch of described multi-head spiral passage is 20mm.
In above-mentioned chill roll, described inner core is provided with 4 fins on the outer peripheral face of described copper sheathing, and the top of 4 described fins is evenly distributed on the same circumference of outer peripheral face of described inner core.
In above-mentioned chill roll, described fin and described inner core are wholely set, and there is space at the terminal of described fin and top respectively and between the two edges of described inner core, and described fin contacts with described copper sheathing.
In above-mentioned chill roll, described water entering surface and described in go out the water surface and in axial direction caving near the part in axle center.
Compared with prior art, the utlity model has following advantage,
(1) copper sheathing of the present utility model is under High Rotation Speed, spirality fin is to being attached to the water generates agitaion of copper roller inner surface, and then overcome the laminar flow phenomenon existing between copper roller inner surface and recirculated water, and strengthen the cooling capacity of copper roller, guarantee the quality of amorphous band.
(2) chill roll of the present utility model, the large helical pitch of described multi-head spiral passage, the structure of fine pitch have shortened passing through the time of cooling medium, reduced the temperature of outlet cooling medium, the temperature difference of having dwindled cold action roller intake-outlet, ensures the degree of supercooling of amorphous moulding better.
(3) chill roll of the present utility model, described helical duct be multi-head spiral, make, under prerequisite that the large helical pitch of helical duct arranges, to ensure enough heat exchange areas, ensure the degree of supercooling of amorphous moulding.
(4) chill roll of the present utility model, described helical duct is arranged in interior core outer surface, and when conventional machined is manufactured, moulding is easy, saves the use of copper sheathing material.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the cross-sectional schematic of chill roll described in the utility model;
Fig. 2 is helical duct schematic diagram described in the utility model;
Fig. 3 water entering surface described in the utility model or go out the structural representation of the water surface;
Fig. 4 is the set-up mode schematic diagram of 1 fin described in the utility model.
In figure, Reference numeral is expressed as: 1-main shaft, 2-right cover plate, 3-inner core, 4-copper sheathing, 5-left cover, 6-fin, 7-the first guiding gutter, 8-the second guiding gutter.
Detailed description of the invention
As Figure 1-3, a kind of chill roll, comprises copper sheathing 4, inner core 3 and two cover plates, and described two cover plates are fixedly connected on respectively the opening two ends of described copper sheathing and coordinate with described copper sheathing and form one for holding the enclosure space of described inner core; Also comprise a main shaft 1, the center that described main shaft 1 runs through described two cover plates and described inner core arranges, and in described main shaft 1, offers cooling medium circulation passage; Wherein, described inner core 3 is cylindrical structure, described inner core 3 is provided with fin 6 on the outer peripheral face of described copper sheathing, described fin 6 is spirally extended to the other end of described inner core around the outer peripheral face of described inner core from one end of described inner core, the helical duct (as shown in Figure 3) passing through in order to form cooling medium; Wherein said fin is 5mm along described inner core width radially, described fin along described inner spindle to width be 5mm, the pitch of described helical duct is 20mm.
Described inner core is respectively water entering surface and goes out the water surface towards two end faces of described cover plate, described water entering surface and going out on the water surface, form respectively multiple by center to extraradial the first guiding gutter 7; Described main shaft comprises water inlet pipe and outlet pipe, in the enclosure space of described two cover plates and the formation of described copper sheathing, described water inlet pipe is provided with water inlet, described outlet pipe is provided with delivery port, described water inlet pipe is connected with described water entering surface by described water inlet, described outlet pipe by described delivery port with described in go out the water surface and be connected.
On the basis of above-mentioned embodiment, described cover plate is provided with second guiding gutter 8 corresponding with described the first guiding gutter 7 on the end face of described inner core, described the first guiding gutter 7 and described the second guiding gutter 8 coordinate formation flow-guiding channel, circulate in order to guided.
On the basis of above-mentioned embodiment, the cross section of described flow-guiding channel is circular, and the degree of depth of described the first guiding gutter is greater than the degree of depth of described the second guiding gutter.
On the basis of above-mentioned embodiment, described the first guiding gutter is along described water entering surface and/or the radially extension that goes out the water surface, and described the first guiding gutter is evenly arranged at described water entering surface and goes out on the water surface, and its quantity is 40-60 (as shown in Figure 4).
On the basis of above-mentioned embodiment, described fin and described inner core are wholely set, and there is space at the terminal of described fin and top respectively and between the two edges of described inner core, and described fin contacts with described copper sheathing.
On the basis of above-mentioned embodiment, described water entering surface and described in go out the water surface and in axial direction caving near the part in axle center.
In other embodiments, described inner core is provided with multiple fins on the outer peripheral face of described copper sheathing, and multiple described fin correspondences arrange and form the multi-head spiral passage that cooling medium passes through.Preferably, described inner core is provided with 4 fins on the outer peripheral face of described copper sheathing, and the top of 4 described fins is evenly distributed on the same circumference of outer peripheral face of described inner core.Described fin is 5mm along described inner core width radially, described fin along described inner spindle to width be 5mm, the pitch of described multi-head spiral passage is 20mm, helical pitch is 80mm.Described fin can be 2mm, 3mm or other value along described inner core width radially, preferably in the scope of 2-5mm, described fin along described inner spindle to width can be 4mm, 6mm, 7mm or other value, preferably in the scope of 4-8mm; The pitch of described multi-head spiral passage can be 15mm, 18mm or other value, preferably in the scope of 15-25mm.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being extended out thus or variation are still among protection domain of the present utility model.
Claims (10)
1. a chill roll, comprises copper sheathing, inner core and two cover plates, and described two cover plates are fixedly connected on respectively the opening two ends of described copper sheathing and coordinate with described copper sheathing and form one for holding the enclosure space of described inner core;
Also comprise a main shaft, the center that described main shaft runs through described two cover plates and described inner core arranges, and offers cooling medium circulation passage in described main shaft;
It is characterized in that,
Described inner core is cylindrical structure, described inner core is provided with fin on the outer peripheral face of described copper sheathing, described fin is spirally extended to the other end of described inner core, the helical duct passing through in order to form cooling medium around the outer peripheral face of described inner core from one end of described inner core;
Described inner core is respectively water entering surface and goes out the water surface towards two end faces of described cover plate, described water entering surface and going out on the water surface, form respectively multiple by center to extraradial the first guiding gutter;
Described main shaft comprises water inlet pipe and outlet pipe, in the enclosure space of described two cover plates and the formation of described copper sheathing, described water inlet pipe is provided with water inlet, described outlet pipe is provided with delivery port, described water inlet pipe is connected with described water entering surface by described water inlet, described outlet pipe by described delivery port with described in go out the water surface and be connected.
2. chill roll according to claim 1, is characterized in that,
Described cover plate is provided with second guiding gutter corresponding with described the first guiding gutter on the end face of described inner core, and described the first guiding gutter and described the second guiding gutter coordinate formation flow-guiding channel, circulate in order to guided.
3. chill roll according to claim 2, is characterized in that, the cross section of described flow-guiding channel is circular, and the degree of depth of described the first guiding gutter is greater than the degree of depth of described the second guiding gutter.
4. according to the arbitrary described chill roll of claim 1-3, it is characterized in that,
Described the first guiding gutter is along described water entering surface and/or the radially extension that goes out the water surface, and described the first guiding gutter is evenly arranged at described water entering surface and goes out on the water surface, and its quantity is 40-60.
5. chill roll according to claim 4, is characterized in that,
Described inner core is provided with multiple fins on the outer peripheral face of described copper sheathing, and multiple described fin correspondences arrange and form the multi-head spiral passage that cooling medium passes through.
6. chill roll according to claim 5, is characterized in that,
Described fin is 2-5mm along described inner core width radially, described fin along described inner spindle to width be 4-8mm; The pitch of described multi-head spiral passage is 15-25mm.
7. chill roll according to claim 6, is characterized in that,
Described fin is 5mm along described inner core width radially, described fin along described inner spindle to width be 5mm, the pitch of described multi-head spiral passage is 20mm.
8. chill roll according to claim 7, is characterized in that, described inner core is provided with 4 fins on the outer peripheral face of described copper sheathing, and the top of 4 described fins is evenly distributed on the same circumference of outer peripheral face of described inner core.
9. chill roll according to claim 8, is characterized in that, described fin and described inner core are wholely set, and there is space at the terminal of described fin and top respectively and between the two edges of described inner core, and described fin contacts with described copper sheathing.
10. according to the arbitrary described chill roll of claim 5-9, it is characterized in that, described water entering surface and described in go out the water surface and in axial direction cave in the part near axle center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300586.9U CN203944807U (en) | 2014-06-06 | 2014-06-06 | A kind of chill roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300586.9U CN203944807U (en) | 2014-06-06 | 2014-06-06 | A kind of chill roll |
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| Publication Number | Publication Date |
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| CN203944807U true CN203944807U (en) | 2014-11-19 |
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| CN201420300586.9U Expired - Fee Related CN203944807U (en) | 2014-06-06 | 2014-06-06 | A kind of chill roll |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107406289A (en) * | 2015-04-07 | 2017-11-28 | 新能晋私人有限公司 | Apparatus and method for improved evaporation drying |
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2014
- 2014-06-06 CN CN201420300586.9U patent/CN203944807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107406289A (en) * | 2015-04-07 | 2017-11-28 | 新能晋私人有限公司 | Apparatus and method for improved evaporation drying |
| CN107406289B (en) * | 2015-04-07 | 2019-06-04 | 新能晋私人有限公司 | Device and method for improved evaporation drying |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20180606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |