CN208644028U - A kind of air-cooled chilling roller - Google Patents

A kind of air-cooled chilling roller Download PDF

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Publication number
CN208644028U
CN208644028U CN201821284815.7U CN201821284815U CN208644028U CN 208644028 U CN208644028 U CN 208644028U CN 201821284815 U CN201821284815 U CN 201821284815U CN 208644028 U CN208644028 U CN 208644028U
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CN
China
Prior art keywords
air
roller core
air duct
copper sheathing
roller
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Expired - Fee Related
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CN201821284815.7U
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Chinese (zh)
Inventor
曹凤红
陈昶
张勇
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Leshan Normal University
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Leshan Normal University
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Priority to CN201821284815.7U priority Critical patent/CN208644028U/en
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Publication of CN208644028U publication Critical patent/CN208644028U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of air-cooled chilling roller, it is related to amorphous and gets rid of band production equipment technology, it includes seal case and is rotatably fixed on the intracorporal roll body of seal box, the copper sheathing that roll body includes roller core and is coaxially coated on roller core lateral wall, circumferentially it is evenly distributed with several around its axial helical air duct on roller core, one side of the copper sheathing adjacent to roller core is led in air duct.The air inlet in air duct is located on the end face of roller core, be provided between roller core and copper sheathing be connected to air duct let out air port.Solve the problems, such as in the prior art processing amorphous get rid of band chill roll cooling effect it is bad, structure is complicated.

Description

A kind of air-cooled chilling roller
Technical field
The utility model relates to amorphous to get rid of band production equipment technology, more particularly to a kind of air-cooled chilling roller.
Background technique
There are two types of the material that people contact in daily life is general: one is crystalline material, another kind is amorphous state material Material.The material of interior atoms irregular arrangement is amorphous material.It is in a normal state crystalline material for common metal, and After being melted down, interior atoms are in active state to metal, in cooling procedure if cooling velocity quickly, atom also has little time to have Sequence arrangement is solidified, to become amorphous alloy.
Flash set technology is to prepare amorphous or crystallite gets rid of one of the main method with product, in rapid solidification, The comprehensive performances such as the mechanical property and corrosion resistance of alloy are improved.Quickly solidification frequently with mode are as follows: will be in crucible Alloy molten solution after fusing is ejected on high-speed rotating chill roll by nozzle, and alloy molten solution is being centrifuged simultaneously by strong cooling It throws away to form amorphous or crystallite strip under the action of power.The cooling capacity of chill roll directly affects the formation matter of amorphous or crystallite Amount.The usual cooling effect of chill roll in the prior art is bad, or structure is complicated, manufacture processing difficulties.
Utility model content
For the above problem in the prior art, the utility model provides a kind of air-cooled chilling roller, solves existing Processed in technology amorphous get rid of band chill roll cooling effect is bad, the problem of structure is complicated.
In order to achieve the above object of the invention, the technical solution adopted in the utility model is as follows:
There is provided a kind of air-cooled chilling roller comprising seal case and be rotatably fixed on the intracorporal roll body of seal box, roller The copper sheathing that body includes roller core and is coaxially coated on roller core lateral wall, is circumferentially evenly distributed on roller core and several is in around its axial direction One side of the copper sheathing adjacent to roller core is led in spiral air duct, air duct.The air inlet in air duct is located on the end face of roller core, roller core and copper Be provided between set be connected to air duct let out air port.
Further, air port axially penetrating through along roll body is let out, that is, there are outlet air in the two sides for letting out air port towards copper sheathing, by letting out The air-flow in air port come guarantee the molten metal being ejected on copper sheathing outer surface in cooling procedure will not overflow go out other than copper sheathing, from And improve the yield rate that amorphous gets rid of band.
Further, the air outlet in air duct leads to the middle part for letting out air port axial direction, and air outlet is perpendicular to itself and copper sheathing contact position Section.High-pressure liquid gas sprays to copper sheathing and radiates around from centre, so that amorphous gets rid of the cooling of band more evenly, mentions High Forming Quality.
Further, aperture of the air duct from air inlet to air outlet is sequentially increased.Roll body during rotation, seal case Interior high-pressure liquid gas enters in air duct from air inlet, and increases air-cooled acting surface with the increase in air duct aperture Product, to accelerate cooling velocity, improves radiating efficiency.
Further, copper sheathing is chromium-zirconium-copper set.Chromium-zirconium-copper has the advantages that thermal conductivity is good, hardness is high, softening temperature is high, energy The cooling velocity of molten metal is enough improved, and the molten metal for avoiding high temperature damages roll body.
Further, the material of roller core is aluminium.The thermal conductivity of aluminium is good, can accelerate the melting gold on cooling injection to copper sheathing The cooling of category.
Further, the coaxial fixing sleeve of roll body loaded in rotation axis, be fixed on bracket by bearing by the both ends of rotation axis, The bottom end of bracket is fixedly connected on the bottom surface of seal case.
The utility model has the following beneficial effects: the contact by using the high copper sheathing of thermal conductivity as roll body with molten metal Face can accelerate the cooling velocity of molten metal;Spiral air duct is set in roller core, high-pressure liquid gas is passed through in air duct Body accelerates the cooling of molten metal, and spiral air duct increases heat dissipation area, can further speed up cooling velocity.
Chilling roller in this programme is placed in seal case, high-pressure liquid gas is sent into seal case, in chilling During roller high-speed rotation, gas can be recycled constantly automatically to be entered the air duct air port Hou Congguo from air inlet and is discharged to seal case Interior process saves the usage amount of gas;And the intracorporal high-pressure liquid gas of seal box can be avoided molten metal in urgency Cold get rid of at amorphous is oxidized with during, improves the yield rate that amorphous gets rid of band.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-cooled chilling roller.
Fig. 2 is the side schematic view of roll body in Fig. 1.
Wherein, 1, seal case;11, nozzle;12, air inlet pipe;2, roll body;21, roller core;22, copper sheathing;23, air duct;231, Air inlet;232, air port is let out;233, air outlet;3, rotation axis;4, bearing;5, bracket.
Specific embodiment
Specific embodiment of the present utility model is described below, in order to facilitate understanding by those skilled in the art The utility model, it should be apparent that the utility model is not limited to the range of specific embodiment, to the common skill of the art For art personnel, if various change the attached claims limit and determine the utility model spirit and scope in, These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the column of protection.
As shown in Figure 1 and Figure 2, which includes seal case 1 and is rotatably fixed in seal case 1 Roll body 2, the coaxial fixing sleeve of roll body 2 is loaded in rotation axis 3, and the both ends of rotation axis 3 are fixed on bracket 5 by bearing 4, bracket 5 Bottom end be fixedly connected on the bottom surface of seal case 1.The high speed rotation under the drive of power device of rotation axis 3, and drive roller 2 high speed rotation of body.The top of seal case 1 is provided with the nozzle 11 of alignment roll body, and molten metal is sprayed to roll body 2 by nozzle 11 On external cylindrical surface.Be provided with the air inlet pipe 12 high-pressure liquid gas being sent in seal case 1 on the side wall of seal case 1.
Roll body 2 includes roller core 21 and the copper sheathing 22 being coaxially coated on 21 lateral wall of roller core.The material of roller core 21 is aluminium, aluminium Thermal conductivity be three times of iron, there is good thermal conductivity, and in being molded with a mold processing, good forming effect.Copper sheathing 22 For chromium-zirconium-copper set, chromium-zirconium-copper has the advantages that thermal conductivity is good, hardness is high, softening temperature is high, can be improved the cooling of molten metal Speed, and the molten metal for avoiding high temperature damages roll body.
Circumferentially it is evenly distributed with several around its axial helical air duct 23 on roller core 21, air duct 23 is used for high pressure Liquid gas is sent to copper sheathing 22 adjacent to the one side of roller core as the cooling gas of circulation, achievees the purpose that accelerating copper sheathing 22 radiates. The air inlet 231 in air duct 23 is located on the end face of roller core 21, and the air outlet 233 in air duct 23 is perpendicular to itself and 22 contact position of copper sheathing Section, to guarantee that the gas in air duct 23 all sprays to copper sheathing 22 to the maximum extent., hole of the air duct 23 from air inlet to air outlet Diameter is sequentially increased.
Be provided between roller core 21 and copper sheathing 22 be connected to air duct 23 let out air port 232, let out air port 232 along the axis of roll body 2 To running through, that is, air port 232 is let out to the two sides of roll body 2 and lets out wind.Air-flow by letting out air port can prevent molten metal overflow copper The edge of set 22 causes to form bad, influences yield rate.Air outlet 233, which is located at, lets out the axial middle part in air port 232, high-pressure liquid gas Body vertically sprays to copper sheathing and radiates around from centre, so that amorphous gets rid of the cooling of band more evenly, improves Forming Quality.
In conclusion the air-cooled chilling roller good cooling results in this programme, air-cooled mode makes cooling more evenly, mentions High amorphous gets rid of the stability of band;And using chilling roller is placed in the intracorporal structure of seal box, it can either to cool down Gas can circulating cooling, reduce production cost, additionally it is possible to which to reach protection molten by controlling the type of cooling gas being passed through Melt metal be cooled to amorphous get rid of with during not oxidized purpose, further improve the final product quality that amorphous gets rid of band.

Claims (8)

1. a kind of air-cooled chilling roller, which is characterized in that including seal case (1) and be rotatably fixed on the seal case (1) roll body (2) in, the copper sheathing (22) that the roll body (2) includes roller core (21) and is coaxially coated on roller core (21) lateral wall, Circumferentially it is evenly distributed with several around its axial helical air duct (23) on the roller core (21), the air duct (23) is led to The one side of the neighbouring roller core of the copper sheathing (22);The air inlet (231) of the air duct (23) is located on the end face of the roller core (21), Be provided between the roller core (21) and the copper sheathing (22) be connected to the air duct (23) let out air port (232).
2. air-cooled chilling roller according to claim 1, which is characterized in that the air port (232) of letting out is along the roll body (2) Axially penetrate through.
3. air-cooled chilling roller according to claim 2, which is characterized in that the air outlet (233) of the air duct (23) is logical To the middle part for letting out air port (232) axial direction.
4. air-cooled chilling roller according to claim 3, which is characterized in that the air outlet (233) is perpendicular to described in it The section of copper sheathing (22) contact position.
5. air-cooled chilling roller according to claim 4, which is characterized in that the air duct (23) is from air inlet to air outlet Aperture be sequentially increased.
6. air-cooled chilling roller according to claim 1, which is characterized in that the copper sheathing (22) is chromium-zirconium-copper set.
7. air-cooled chilling roller according to claim 1, which is characterized in that the material of the roller core (21) is aluminium.
8. air-cooled chilling roller according to claim 1, which is characterized in that the coaxial fixing sleeve of the roll body (2), which is loaded on, to be turned On moving axis (3), the both ends of the rotation axis (3) are fixed on bracket (5) by bearing (4), and the bottom end of the bracket (5) is fixed It is connected on the bottom surface of the seal case (1).
CN201821284815.7U 2018-08-09 2018-08-09 A kind of air-cooled chilling roller Expired - Fee Related CN208644028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821284815.7U CN208644028U (en) 2018-08-09 2018-08-09 A kind of air-cooled chilling roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821284815.7U CN208644028U (en) 2018-08-09 2018-08-09 A kind of air-cooled chilling roller

Publications (1)

Publication Number Publication Date
CN208644028U true CN208644028U (en) 2019-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723312A (en) * 2018-08-09 2018-11-02 乐山师范学院 A kind of air-cooled chilling roller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723312A (en) * 2018-08-09 2018-11-02 乐山师范学院 A kind of air-cooled chilling roller

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Granted publication date: 20190326