CN202072722U - Mid-frequency induction hardening device for roller - Google Patents
Mid-frequency induction hardening device for roller Download PDFInfo
- Publication number
- CN202072722U CN202072722U CN2011200602101U CN201120060210U CN202072722U CN 202072722 U CN202072722 U CN 202072722U CN 2011200602101 U CN2011200602101 U CN 2011200602101U CN 201120060210 U CN201120060210 U CN 201120060210U CN 202072722 U CN202072722 U CN 202072722U
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- CN
- China
- Prior art keywords
- roll
- coil
- quenching device
- roller
- hard rubber
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a mid-frequency induction hardening device for a roller, which comprises a mid-frequency electromagnetic-induction heating device and an injection water cooling device, wherein the mid-frequency electromagnetic-induction heating device comprises a helical coil formed by coiling a copper pipe, the coil is arranged on the outer side of a roller to be heated, a clearance is formed between the coil and the roller, two ends of the coil are connected with a controller of the mid-frequency electromagnetic-induction heating device through binding clips, and the coil is fixed on a bracket; and the injection water cooling device comprises a hollow sleeve, wherein meshes are uniformly distributed on the inner wall of the hollow sleeve, water inlet pipes are arranged on the outer wall of the hollow sleeve, and the water inlet pipes are connected with a cooling water source. The mid-frequency induction hardening device can reduce or eliminate surface cracks on the hardened roller, enhance the surface hardness of the roller, deepen a hardness layer, and also improve the surface wearing resistance of the roller. Moreover, the device has the characteristics of simple structure, easiness in operation, etc.
Description
Technical field
The utility model relates to a kind of roller quenching device, is specifically related to a kind of medium frequency quenching device of roll.
Background technology
Existing quenching technology is metal works is heated to a certain proper temperature and keeps for some time, immerses in the quenching media refrigerative metal heat treatmet technology fast immediately.Quenching media commonly used has salt solution, water, mineral oil, air etc.Quenching can improve the hardness and the wear resistance of metal works, thereby is widely used in various workers, mould, measurer and requires the part of surface abrasion resistance such as gear, roll, carburized parts etc.Cooperate with the tempering of differing temps by quenching, can increase substantially intensity, toughness and the fatigue strength of metal, and can obtain cooperation (comprehensive mechanical performance) between these performances to satisfy different service requirementss.The steel also can make some properties that quenches in addition obtains the certain physics chemical performance, as quenching make Permanent Magnet Steel strengthen its ferromegnetism, stainless steel improves its solidity to corrosion etc.Quenching technology is mainly used in steel part.Steel commonly used is being heated to critical temperature when above, and original tissue at room temperature changes whole or big portion into austenite.Subsequently steel is immersed cooling fast in water or the oil, austenite promptly changes martensite into.Compare with its hetero-organization in the steel, martensite hardness is the highest.The purpose that steel quenches is exactly to change martensite into for the whole or big portion of the tissue that makes it, obtains high rigidity, and tempering under proper temperature then makes workpiece have the performance of expection.Yet the quick cooling during quenching can make the inner internal stress that produces of workpiece, when its just can be distorted distortion even ftracture of workpiece to a certain degree time the greatly.Especially after the quench treatment for the roll base part, through regular meeting surface crack, brittle failure appear, problem such as wear no resistance, be necessary to select suitable heating unit and method of cooling for this reason.
The utility model content
The purpose of this utility model is to overcome the defective that exists in the prior art, designs a kind of back roller surface crackle that quenches that reduces or eliminates, and improves the degree of depth of roller surface hardness and rigidity layer, improves the medium frequency quenching device of roller surface wear resistance simultaneously.
For achieving the above object, the technical solution of the utility model has provided a kind of medium frequency quenching device of roll, it is characterized in that, described quenching device comprises intermediate frequency electromagnetic induction heater and equipment water jetting cooler, described intermediate frequency electromagnetic induction heater comprises the spiral coil with the copper pipe coiling, described coil is arranged on the outside that is heated roll, and be provided with the gap with roll shop building, the two ends of described coil are connected with controller in the intermediate frequency electromagnetic induction heater by wire connection clamp, and described coil stationary is on support; Described equipment water jetting cooler includes cannulated sleeve, is evenly equipped with mesh on the inwall of described cannulated sleeve, is provided with water inlet pipe on the outer wall of described cannulated sleeve, and described water inlet pipe is connected with cooling water source.
For make roller surface form eddy current evenly, stable, optimized technical scheme is, also comprises in described intermediate frequency electromagnetic induction heater, drives the drive unit of described roll rotation, is provided with the chuck mode shaft joint between described drive unit and described roll.
For with the heater coil cooling, heater coil can not burnt, and prolong its work-ing life, optimized technical scheme comprises that also described copper pipe stretches out the outer end of described coil and is connected with the water inlet pipe of water coolant, the other end is connected with the rising pipe of water coolant.
For heater coil is fixed, do not influence its conductivity again simultaneously, optimized technical scheme comprises that also described support is provided with two hard rubber sheets at least, is provided with round on described hard rubber sheet, described spiral coil passes the round on the described hard rubber sheet respectively.
For heater coil is fixed, simultaneously do not influence its conductivity again, optimized technical scheme can also be that described support is provided with two hard rubber sheets at least, be provided with jagged groove on described hard rubber sheet, described spiral coil passes the jagged groove on the described hard rubber sheet respectively.
In order to make roll can be fixed to tilt when water spray cools off, optimized technical scheme comprises that also described cannulated sleeve is installed on the bush support, is provided with the cover for seat that is used for fixing roll in the bottom of described bush support.
For the ease of the loading and unloading of roll in sleeve, and the raising of water spray efficient, optimized technical scheme comprises that also the inner diameter of described cannulated sleeve is slightly larger than the diameter of the working zone of roll, the length of described cannulated sleeve slightly is longer than the length of the working zone of roll.
Advantage of the present utility model and beneficial effect are: this device has been owing to selected for use the intermediate frequency electromagnetic induction device as the heating source that roller surface quenches, and uses the heating source of this frequency can effectively improve the degree of depth of roll hardness layer.Because roll is when Heating temperature reaches 770 ℃, the workpiece loss of excitation utilizes the diathermanous austenite structure on roll top layer that makes even, and the wear resisting property on surface is good, and hardness gradient is slower, and it is more reasonable that skin stress distributes; This device also has characteristics such as simple in structure, easy handling.
Description of drawings
Fig. 1 is the utility model intermediate frequency electromagnetic induction heater structural representation;
Fig. 2 is the utility model equipment water jetting cooler structural representation.
Among the figure: 1, intermediate frequency electromagnetic induction heater; 2, equipment water jetting cooler; 3, roll; 4, coil; 5, controller; 6, support; 7, drive unit; 8, shaft joint; 9, water inlet pipe; 10, rising pipe; 11, cannulated sleeve; 12, mesh; 13, water inlet pipe; 14, bush support; 15, cover for seat.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only are used for the technical solution of the utility model more clearly is described, and can not limit protection domain of the present utility model with this.
The utility model is a kind of medium frequency quenching device of roll, this quenching device comprises intermediate frequency electromagnetic induction heater 1 and equipment water jetting cooler 2, described intermediate frequency electromagnetic induction heater 1 comprises the spiral coil 4 with the copper pipe coiling, described coil 4 is arranged on the outside that is heated roll 3, and and 3 on roll be provided with the gap, the two ends of described coil 4 are connected by 1 controller 5 in wire connection clamp and the intermediate frequency electromagnetic induction heater, and described coil 4 is fixed on the support 6; Described equipment water jetting cooler 2 includes cannulated sleeve 11, is evenly equipped with mesh 12 on the inwall of described cannulated sleeve 11, is provided with water inlet pipe 13 on the outer wall of described cannulated sleeve 11, and described water inlet pipe 13 is connected with cooling water source.
On the basis of the foregoing description, even, stable in order to make roller surface form eddy current, in described intermediate frequency electromagnetic induction heater 1, also comprise, drive the drive unit 7 of described roll 3 rotations, between described drive unit 7 and described roll 3, be provided with chuck mode shaft joint 8.
On the basis of the foregoing description, for the heater coil cooling, heater coil can not burnt, and prolong its work-ing life, described copper pipe stretches out described coil 4 outer ends and is connected with the water inlet pipe 9 of water coolant, and the other end is connected with the rising pipe 10 of water coolant.
On the basis of the foregoing description, for heater coil is fixed, do not influence its conductivity again simultaneously, described support 6 is provided with two hard rubber sheets at least, is provided with round on described hard rubber sheet, and described spiral coil 4 passes the round on the described hard rubber sheet respectively.
On the basis of the foregoing description, for heater coil is fixed, do not influence its conductivity again simultaneously, described support 6 is provided with two hard rubber sheets at least, be provided with jagged groove on described hard rubber sheet, described spiral coil 4 passes the jagged groove on the described hard rubber sheet respectively.
On the basis of the foregoing description, can be fixed to tilt when water spray cools off in order to make roll, described cannulated sleeve is installed on the bush support 14, is provided with the cover for seat 15 that is used for fixing roll in the bottom of described bush support 14.
On the basis of the foregoing description, for the ease of the loading and unloading of roll in cannulated sleeve, and the raising of water spray efficient, the inner diameter of described cannulated sleeve 11 is slightly larger than the diameter of the working zone of roll 3, and the length of described cannulated sleeve 11 slightly is longer than the length of the working zone of roll 3.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. the medium frequency quenching device of a roll, it is characterized in that, described quenching device comprises intermediate frequency electromagnetic induction heater and equipment water jetting cooler, described intermediate frequency electromagnetic induction heater comprises the spiral coil with the copper pipe coiling, described coil is arranged on the outside that is heated roll, and be provided with the gap with roll shop building, and the two ends of described coil are connected with controller in the intermediate frequency electromagnetic induction heater by wire connection clamp, and described coil stationary is on support; Described equipment water jetting cooler includes cannulated sleeve, is evenly equipped with mesh on the inwall of described cannulated sleeve, is provided with water inlet pipe on the outer wall of described cannulated sleeve, and described water inlet pipe is connected with cooling water source.
2. the medium frequency quenching device of roll as claimed in claim 1 is characterized in that, also comprises in described intermediate frequency electromagnetic induction heater, drives the drive unit of described roll rotation, is provided with the chuck mode shaft joint between described drive unit and described roll.
3. the medium frequency quenching device of roll as claimed in claim 1 is characterized in that, described copper pipe stretches out the outer end of described coil and is connected with the water inlet pipe of water coolant, and the other end is connected with the rising pipe of water coolant.
4. the medium frequency quenching device of roll as claimed in claim 1 is characterized in that, described support is provided with two hard rubber sheets at least, is provided with round on described hard rubber sheet, and described spiral coil passes the round on the described hard rubber sheet respectively.
5. the medium frequency quenching device of roll as claimed in claim 1 is characterized in that, described support is provided with two hard rubber sheets at least, is provided with jagged groove on described hard rubber sheet, and described spiral coil passes the jagged groove on the described hard rubber sheet respectively.
6. the medium frequency quenching device of roll as claimed in claim 1 is characterized in that, described cannulated sleeve is installed on the bush support, is provided with the cover for seat that is used for fixing roll in the bottom of described bush support.
7. the medium frequency quenching device of roll as claimed in claim 6 is characterized in that, the inner diameter of described cannulated sleeve is slightly larger than the diameter of the working zone of roll, and the length of described cannulated sleeve slightly is longer than the length of the working zone of roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200602101U CN202072722U (en) | 2011-03-10 | 2011-03-10 | Mid-frequency induction hardening device for roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200602101U CN202072722U (en) | 2011-03-10 | 2011-03-10 | Mid-frequency induction hardening device for roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202072722U true CN202072722U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200602101U Expired - Fee Related CN202072722U (en) | 2011-03-10 | 2011-03-10 | Mid-frequency induction hardening device for roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202072722U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341380A (en) * | 2013-07-02 | 2013-10-09 | 山东理工大学 | Abrasion-resistant corrosion-resistant roller with high flexibility and manufacturing method thereof |
| TWI490341B (en) * | 2013-02-20 | 2015-07-01 | Hiwin Tech Corp | Inner diameter quenching device |
| CN108806969A (en) * | 2018-07-06 | 2018-11-13 | 豫北转向系统（新乡）有限公司 | A kind of valve sleeve for automobile steering device inner hole quenching spiral winding former |
| WO2022166569A1 (en) * | 2021-02-05 | 2022-08-11 | 鞍钢集团北京研究院有限公司 | Continuous casting machine and method having corner crack prevention function |
-
2011
- 2011-03-10 CN CN2011200602101U patent/CN202072722U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI490341B (en) * | 2013-02-20 | 2015-07-01 | Hiwin Tech Corp | Inner diameter quenching device |
| CN103341380A (en) * | 2013-07-02 | 2013-10-09 | 山东理工大学 | Abrasion-resistant corrosion-resistant roller with high flexibility and manufacturing method thereof |
| CN108806969A (en) * | 2018-07-06 | 2018-11-13 | 豫北转向系统（新乡）有限公司 | A kind of valve sleeve for automobile steering device inner hole quenching spiral winding former |
| CN108806969B (en) * | 2018-07-06 | 2023-11-21 | 豫北转向系统(新乡)股份有限公司 | Automobile steering gear valve sleeve inner hole quenching spiral coil former |
| WO2022166569A1 (en) * | 2021-02-05 | 2022-08-11 | 鞍钢集团北京研究院有限公司 | Continuous casting machine and method having corner crack prevention function |
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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 |
Granted publication date: 20111214 Termination date: 20190310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |