CN2512527Y - Hot extension device along located datum axis for spray welding heavy smelting work roll - Google Patents
Hot extension device along located datum axis for spray welding heavy smelting work roll Download PDFInfo
- Publication number
- CN2512527Y CN2512527Y CN 01206825 CN01206825U CN2512527Y CN 2512527 Y CN2512527 Y CN 2512527Y CN 01206825 CN01206825 CN 01206825 CN 01206825 U CN01206825 U CN 01206825U CN 2512527 Y CN2512527 Y CN 2512527Y
- Authority
- CN
- China
- Prior art keywords
- thimble
- hollow
- work roll
- back center
- spray welding
- 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 - Lifetime
Links
Images
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model provides a hot extension device along positioning benchmark axis for spray welding heavy smelting work roll. The head of the bulkhead that is clamped on a clamping plate and has a ventilation hole which is positioned by the front thimble of the clamping plate. The bulkhead is inserted into one end of the hollow section and welded with the hollow shaft section; and the other end of the hollow positioning on a spindle is welded in the hollow shaft section and positioned by the back thimble at the automatic extensible end seat of the back thimble. Having a simple and practical structure, the utility model comparatively completely solves the requirements of positioning the roll body and promising no machining for the work roll after spray welding heavy smelting. Moreover, the utility model is also applicable to the solid spray welding heavy smelting work roll which has a simpler structure, with one end positioned by the front thimble of the clamping plate, and the other end positioned by the back thimble of the automatic extensible end seat of the back thimble.
Description
Technical field: the utility model is to aim at steel mill to produce surfacing remelting work (rolling) roller device design, that extend along the location datum axis when being heated extension.
Background technology: surfacing remelting technology is the separately advantage of comprehensive utilization metal in mechanical properties, merge, make the workpiece outer surface have high rigidity, high-wearing feature, preventing high temperature oxidation and performance such as corrosion-resistant, and it is inner owing to adopt ordinary carbon steel to make product have fabulous comprehensive mechanical performance.Surfacing remelting technology has been widely used in every field such as shipbuilding, automobile, metallurgy, steel rolling, papermaking, chemical industry, oil.Specification requirement constantly improves to surfacing remelting work (rolling) roller in the world in recent years, original technology, frock can't adapt to new international standard, requirement is produced surfacing remelting working roll according to new technology, new standard tissue, and working roll no longer carries out machine finishing and just can once reach designing requirement after the remelting.These requirements are to be thickness requirement 1.09m, the uniformity of the surfacing remelting working roll alloyed powder remelted layer of 2300mm, the required precision Φ 300 of outside dimension to barrel length
-0.2Mm, the axiality of the body of roll requires to be no more than 0.1, and surface roughness requires Ra3.2, beats aspects such as surveying hardness requirement HV600-650.This has proposed very high requirement to the applicant.And during original production surfacing remelting working roll, the positioning core axle two ends are fixing in the dust by chuck and back center, axially do not reserve the space that heat is extended, when remelting since several high-power heating gun, simultaneously the heating, body of roll temperature just is raised to 1000 ℃ from room temperature in short time, because air vent is not set, the temperature of body of roll internal mandrel is very fast also to be risen to about 600 ℃.Because benchmark mandrel two ends, location have been fixed in the dust, axially can't extend, therefore firmly with under the positioning core axle around, bending, and the location of the body of roll mainly relies on the conical surface location plug at two ends on the positioning core axle to locate, but flexural deformation because of positioning core axle, plug also is out of shape with positioning core axle, the coaxiality error that causes the body of roll at ± 0.4mm to ± 0.8mm, positioning core axle following around reaching 22mm.So in order to guarantee designing requirement, have on the technology thicken to the 3mm the alloyed powder remelted layer is monolateral, the means through machining solve specification requirements such as axiality, dimensional accuracy, surface roughness then.The result who does like this is: the superficial layer alloy powder layer of high abrasion, high rigidity is in uneven thickness, and particularly the bisque between the height point of the body of roll bent intermediate of working roll and the processing back external diameter is inevitable very thin.Compare with the uniform working roll of powder layer thickness like this, will reduce greatly its service life, and the manufacturing cost of producing whole surfacing roller also will improve nearly 50%.
The innovation and creation content: the utility model is exactly in order to solve the technical barrier of above-mentioned prior art, and development and design goes out a kind ofly can effectively overcome the surfacing remelting working roll of above-mentioned prior art shortcoming along the hot extension apparatus of location datum axis for this reason.The utility model comprises that the positioning core axle two ends are by the chuck of thimble before having on the headstock and back center tailstock location, promptly being connected in the plug that has air vent on the chuck welds with hollow section one end that preceding thimble is located, this plug inserts hollow positioning core axle on the chuck and with hollow shaft part, the hollow positioning core axle other end is welded in hollow shaft part end and locatees with the back center on the automatic telescopic tailstock of back center, and hollow positioning core axle two ends are respectively installed with the location plug and the movable drain plug of built-in band air vent.This frock is applicable to the hollow class of surfacing remelting work (rolling) roller.The automatic telescopic tailstock of described back center is equipped with the spring that back center, push rod and push rod promote in the tailstock sliding sleeve.Surfacing remelting work (rolling) is if the solid class of roller then adopts the chuck and the automatic telescopic tailstock frock of back center that have preceding thimble on the headstock.The back center of tailstock is to compress axial the stretching automatically of spring realization by promoting push rod.When the high temperature remelting, positioning core axle is owing to be subjected to high temperature and elongated, and it is along the spring in the axis direction compression tailstock back center, effectively solved the problem that former location mandrel can't heat extends, and guaranteed the axiality of the body of roll; Air vent on the plug of built-in location, the convection current that the air vent on the positioning core axle can form air simultaneously, when the high temperature remelting, the air of surfacing remelting working roll inside is heated and discharges through air vent, and extraneous cold air enters inside through air vent, reciprocation cycle, make surfacing remelting working roll inside remain lower temperature like this, reduced the positioning core axle temperature distortion.The utility model Comparative Examples compared with prior art sees following table for details:
| Problem to be solved | Prior art | The utility model |
| The hot extension problem of positioning core axle | Unresolved | Solved |
| Body of roll location | Can't guarantee | Guarantee preferably |
| Diastrophic degree | Seriously, down around amount 22mm | Slight deformation |
| The thickness of spray alloyed powder | Φ 298 before dusting -0.2Mm, back Φ 302 dusts +0.6mm | Φ 298 before dusting -0.2Mm, back Φ 300 dusts +0.8mm |
| Geometric accuracy after the remelting | Φ301 +0.3mm | Reach requirement, Φ 300 -0.2mm |
| Whether carry out machined | Need be machined to Φ 300 - 0.2mm | Do not need processing |
| Service life | Shorter | Longer |
| Production cost | Higher | Lower |
Description of drawings: Fig. 1 is a hollow class frock schematic diagram of the present utility model.
Fig. 2 is a solid class frock schematic diagram of the present utility model.
The specific embodiment:, comprise that the positioning core axle two ends are by the chuck 1 of thimble before having on the headstock 15 and back center tailstock location with reference to Fig. 1.Its inventive point is to be connected in the plug 4 head portions that have air vent on the chuck 1 to locate with the preceding thimble of chuck 1, weld in the hollow shaft part 5 of the hollow positioning core axle 2 of these plug 4 insertions and with hollow shaft part 5 one ends, the other end of hollow positioning core axle 2 is welded in hollow shaft part 5 rears and with the back center on the automatic telescopic tailstock 3 of back center 8 and locatees; Hollow positioning core axle 2 hollow section 5 are located with built-in bipyramid face location plug 9, built-in movable drain plug 10 respectively with working roll 16 two ends; two plugs all have air vent on (9,10), stretch out spring 11 and heat insulation spring protection cover 12, anti-loose structure nut 13 also are housed on the outer mandrel 2 of movable drain plug 10.The spring 6 that back center 8, push rod 7 is housed in the sliding sleeve 14 of tailstock 3 and promotes by push rod 7.Spring 6 is used bolting.Multiple like this location makes the utility model work accurately, reliably.The dotted line of working roll 16 both sides is represented the alloyed powder remelted layer.With reference to Fig. 2, solid class surfacing remelting work (rolling) roller, because of rigidity itself is big just need not plug, so it is fairly simple along the location hot extension of datum axis frock, the chuck 1 and the automatic telescopic tailstock 3 of back center that need only have preceding thimble get final product.
Claims (2)
1. a surfacing remelting work ribbon is along the hot extension apparatus of location datum axis, comprise that positioning core axle is by the chuck of thimble before having on the headstock and back center tailstock location, it is characterized in that: be connected in the plug head that has air vent on the chuck and locate with the preceding thimble of chuck, this plug inserts hollow shaft part one end of hollow positioning core axle and welds with hollow shaft part, and the other end of hollow positioning core axle is welded in the hollow shaft part and with the back center of the automatic telescopic tailstock of back center and locatees.
2. surfacing remelting work ribbon according to claim 1 is characterized in that along the hot extension apparatus of location datum axis: the automatic telescopic tailstock of described back center, the spring that back center, push rod is housed in the sliding sleeve of tailstock and is promoted by push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206825 CN2512527Y (en) | 2001-07-13 | 2001-07-13 | Hot extension device along located datum axis for spray welding heavy smelting work roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01206825 CN2512527Y (en) | 2001-07-13 | 2001-07-13 | Hot extension device along located datum axis for spray welding heavy smelting work roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2512527Y true CN2512527Y (en) | 2002-09-25 |
Family
ID=33627388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01206825 Expired - Lifetime CN2512527Y (en) | 2001-07-13 | 2001-07-13 | Hot extension device along located datum axis for spray welding heavy smelting work roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2512527Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436021C (en) * | 2003-12-10 | 2008-11-26 | 上海工程技术大学 | An Automatic built up welding method and equipment |
| CN102699711A (en) * | 2012-06-14 | 2012-10-03 | 无锡市洪成造纸机械有限公司 | Drilling fixture combined device |
| CN104057102A (en) * | 2014-06-24 | 2014-09-24 | 芜湖求精紧固件有限公司 | Lathe |
| CN105583571A (en) * | 2016-02-23 | 2016-05-18 | 鞍钢实业集团冶金机械有限公司 | Method for repairing gap between roller cylinder and spindle of upper clamping roller through overlaying welding |
| CN108453344A (en) * | 2018-04-28 | 2018-08-28 | 河北工业大学 | A kind of device and method to circular ring work piece outer round surface re melting process |
| CN109202344A (en) * | 2017-08-23 | 2019-01-15 | 中国航空制造技术研究院 | A kind of semiclosed tube rod class formation welding fixture and its assembly method |
| CN110480121A (en) * | 2019-07-31 | 2019-11-22 | 徐州德坤电气科技有限公司 | A kind of automatic welding unit of rack connecting rod automatic welding production system |
-
2001
- 2001-07-13 CN CN 01206825 patent/CN2512527Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100436021C (en) * | 2003-12-10 | 2008-11-26 | 上海工程技术大学 | An Automatic built up welding method and equipment |
| CN102699711A (en) * | 2012-06-14 | 2012-10-03 | 无锡市洪成造纸机械有限公司 | Drilling fixture combined device |
| CN104057102A (en) * | 2014-06-24 | 2014-09-24 | 芜湖求精紧固件有限公司 | Lathe |
| CN105583571A (en) * | 2016-02-23 | 2016-05-18 | 鞍钢实业集团冶金机械有限公司 | Method for repairing gap between roller cylinder and spindle of upper clamping roller through overlaying welding |
| CN109202344A (en) * | 2017-08-23 | 2019-01-15 | 中国航空制造技术研究院 | A kind of semiclosed tube rod class formation welding fixture and its assembly method |
| CN109202344B (en) * | 2017-08-23 | 2020-11-10 | 中国航空制造技术研究院 | Semi-closed pipe rod structure welding clamp and assembling method thereof |
| CN108453344A (en) * | 2018-04-28 | 2018-08-28 | 河北工业大学 | A kind of device and method to circular ring work piece outer round surface re melting process |
| CN110480121A (en) * | 2019-07-31 | 2019-11-22 | 徐州德坤电气科技有限公司 | A kind of automatic welding unit of rack connecting rod automatic welding production system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110405040A (en) | A kind of reversed spin-on process of unimach outer step thin-wall barrel | |
| CN2512527Y (en) | Hot extension device along located datum axis for spray welding heavy smelting work roll | |
| CN104907595B (en) | The inner support swelling fixture and Cutting Process of ultra-thin-wall large-size cylinder body class cutting workpiece | |
| WO2023178894A1 (en) | Manufacturing method of ultra-thin seamless tube for high-end equipment system | |
| CN102580619B (en) | Hinge sleeve for cubic presses and manufacturing method thereof | |
| CN101954422B (en) | Spinning deviation-correcting method for punching-pulling steel bottle tube wall thickness | |
| CN204817674U (en) | A spinning wheel for gas cylinder production | |
| CN2496571Y (en) | Spray-welded, remolten working roll hot stretching apparatus | |
| CN111922167A (en) | Hot spinning forming method for variable-wall-thickness extension section of low-density niobium alloy | |
| CN100491625C (en) | Bimetal metallurgy combined high precision roller components and manufacturing method thereof | |
| CN102152137A (en) | Supporting device and method for processing part by using same | |
| CN115255838A (en) | Manufacturing process and method of threading and rolling thread rolling wheel | |
| CN204735956U (en) | A frock for making press upper portion instrument | |
| CN113894198A (en) | Multi-pass flaring spinning forming process for high-temperature alloy cylindrical part | |
| CN201333623Y (en) | Supporting device for cylindrical roller bearing processing | |
| CN209349274U (en) | A kind of roll can be used for nuclear power Steel Tube Special | |
| CN201324859Y (en) | Inner floating mechanism of inner floating end-facing chamfering machine | |
| CN103381542A (en) | Processing method of carbon-coated roller core | |
| CN218710726U (en) | Novel carbon sleeve furnace roller | |
| CN214919204U (en) | Roller for rolling seamless steel tube | |
| CN216137988U (en) | Composite bushing withholding tool | |
| CN220116598U (en) | Tool for reducing quenching deformation of needle roller sleeve | |
| CN214443118U (en) | Electric spindle with end face connected with straight hole | |
| CN204819003U (en) | A grinding machine for eccentric part of grinding | |
| CN220312360U (en) | Rolling cutter and processing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DUAL GROUP (DEYANG) HEAVY EQUIPMENT CORP. Free format text: FORMER OWNER: CHINA SECOND HEAVY MACHINERY GROUP CO Effective date: 20071109 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071109 Address after: 618013 No. 460 Zhujiang West Road, Sichuan, Deyang Patentee after: Erzhong Group Deyang Heavy Equipment Co., Ltd. Address before: 618013 Deyang city of Sichuan Province, No. 1 Zhujianglu Road Erzhong Group Company Chief Engineer Office of ancient ammonia conversion Patentee before: China Second Heavy Machinery Group Co |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110713 Granted publication date: 20020925 |