CN105806298A - Concentricity measurement and adjustment restoration method for steel pipe hot extruding reamer - Google Patents
Concentricity measurement and adjustment restoration method for steel pipe hot extruding reamer Download PDFInfo
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- CN105806298A CN105806298A CN201410853314.6A CN201410853314A CN105806298A CN 105806298 A CN105806298 A CN 105806298A CN 201410853314 A CN201410853314 A CN 201410853314A CN 105806298 A CN105806298 A CN 105806298A
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- reaming
- concentricity
- jumping
- steel pipe
- staving press
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Abstract
The invention discloses a concentricity measurement and adjustment restoration method for a steel pipe hot extruding reamer. A reaming rod of the reamer is disassembled, and a connection thread at the bottom of a reaming beam, so as to take the center of the connection thread at the bottom of the reaming beam and the center of a bottom beam as the reference. A measurement steel wire is connected and set, and the concentricity deviation data of the upper and lower surfaces of an upsetting beam and the concentricity deviation data of the upper and lower surfaces of a reaming cylinder are respectively measured. According to the measured concentricity deviation data, the installation positions of the upsetting beam and the reaming cylinder are adjusted, and the concentricity deviation are adjusted and restored, thereby meeting the technical requirements. The method provided by the invention can measure and adjust the concentricity of related parts of an extruding machine simply and practically. Moreover, the method can recover the equipment function and precision, and reduces the production cost and spare part demands while meeting the requirements of production technology. The method is suitable for the field of concentricity measurement and adjustment restoration of various types of steel pipe hot extruding reamers.
Description
Technical field
The present invention relates to the measurement of a kind of equipment precision and method of adjustment, particularly relate to a kind of method to the measurement of its concentricity and adjustment being applied to Steel Pipe Heat extruding staving press.
Background technology
At present, each steel production enterprise all has a kind of high-end seamless steel pipe of production, as: 690 seamless steel tube for nuclear power, the oil well pipe etc. of oil drilling, such high-end seamless steel pipe is of a relatively high compared with common steel tube due to the requirement of its intensity and precision, it is both needed to adopt forging so it produces, reaming, the explained hereafter such as extruding, required mechanical performance can be reached, strength character and precision index, and produce the capital equipment-25MN staving press of this high-end seamless steel pipe at present, this staving press is key processing equipment in Steel Pipe Heat extrusion process of production, main by reaming oil cylinder, entablature, reaming crossbeam, jumping-up sleeve pipe, jumping-up beam, pull bar column, reaming bar, reaming cylinder, turnover platform, sill, the parts compositions such as closed cylinder and discharging cylinder.
This 25MN staving press technological action is as follows:
1, the blank after heating is placed in reaming cylinder by passing in and out platform；
2, pressing under reaming oil cylinder, promote reaming crossbeam, reaming bar, jumping-up beam to synchronize to decline, when reaming masthead head is from blank 100mm place, jumping-up beam stops declining；
3, reaming oil cylinder pushing reaming crossbeam and reaming bar continue lower top, blank center sky is extended to claimed range, and guarantees that blank wall thickness tolerance is less than 1mm；
4, reaming oil cylinder rises, and pulls reaming crossbeam, reaming bar and jumping-up beam to rise；
5, complete the blank of reaming by passing in and out platform removal, eject chambering process process by discharging cylinder.
And due to the increase of volume of production, the componental movement parts of staving press there will be abrasion, for 25MN staving press, between the parts such as reaming crossbeam, jumping-up beam and reaming cylinder, nonconcentricity phenomenon occurs, functions of the equipments precision declines therewith, causes that the thickness of steel pipe tolerance produced exceeds standard, and quality is uncontrolled.This is each the common Problems existing of steel production enterprise.
The measure taked to tackle nonconcentricity phenomenon under prior art is maintenance or changes corresponding parts, and the parts through changing compare, find that the degree of wear of each parts differs, in fact can be continuing with through repairing, and not yet there is the detection of nonconcentricity and repair method of adjustment in prior art, it is exactly generally change to get over, cause the wasting of resources, the increasing of production cost rising and spare parts demand, and in order to eliminate this part of appliance nonconcentricity phenomenon, restorer precision, now measure in the urgent need to a kind of staving press concentricity, adjustment technology method, can be simple, practicably measure and adjust the concentricity of extruder associated components, and restorer function precision.
Summary of the invention
In order to solve to be difficult to the detection to nonconcentricity under prior art, it is difficult to repair the problem adjusted, the invention provides the concentricity of a kind of Steel Pipe Heat extruding staving press measure and adjust restorative procedure, pass through the method, staving press associated components concentricity can be measured easily, adjust, repair staving press functions of the equipments precision, meet the requirement of production technology.The particular content of the present invention is as described below:
The concentricity of a kind of Steel Pipe Heat extruding staving press is measured and adjusts restorative procedure, and including staving press (1), it specifically comprises the following steps that
1) remove the reaming bar of staving press, reserve the connection screw thread bottom reaming beam；
2) to connect the center of screw thread and the center of bottom girder bottom reaming beam, this two places central point is benchmark, connects and arranges measuring steel wire；
3) with this measuring steel wire for benchmark, the Concentricity tolerance data of the top and bottom of jumping-up beam and the top and bottom of reaming cylinder are measured respectively；
4) according to step 3) the Concentricity tolerance data that record, adjust the installation site of jumping-up beam and reaming cylinder, adjust and repair Concentricity tolerance, reaching technology requirement.
The concentricity of a kind of Steel Pipe Heat extruding staving press according to the present invention is measured and adjusts restorative procedure, it is characterized in that, the inside of described staving press is from top to bottom sequentially set with reaming beam, jumping-up beam, reaming cylinder and bottom girder, wherein, the bottom of reaming beam is provided with connection screw thread, and the center of jumping-up beam and reaming cylinder all offers through hole, jumping-up beam is spun by two pull bar columns and inserts beam body both sides stationary positioned, the connection screw thread of the bottom of the upper end of reaming bar and reaming beam spins, and the shaft of reaming bar is directed at the center of bottom girder by jumping-up beam and the through hole of reaming cylinder.
The concentricity of a kind of Steel Pipe Heat extruding staving press according to the present invention is measured and adjusts restorative procedure, it is characterised in that the gap between described jumping-up beam and pull bar column is less than 0.3mm.
The concentricity of a kind of Steel Pipe Heat extruding staving press according to the present invention is measured and adjusts restorative procedure, it is characterised in that described step 4) in the Concentricity tolerance adjustment of jumping-up beam and reaming cylinder less than 0.5mm.
The concentricity using a kind of Steel Pipe Heat extruding staving press of the present invention is measured and is adjusted restorative procedure and obtains following beneficial effect:
1. the concentricity of a kind of Steel Pipe Heat extruding staving press of the present invention is measured and adjusts restorative procedure, can simply, practicably measure and adjust the concentricity of extruder associated components；
2. the concentricity of a kind of Steel Pipe Heat extruding staving press of the present invention is measured and adjusts restorative procedure energy restorer function precision, while meeting manufacturing technique requirent, reduces production cost and spare parts demand.
Accompanying drawing explanation
The concentricity that Fig. 1 is a kind of Steel Pipe Heat extruding staving press of the present invention is measured and adjusts the staving press concrete structure schematic diagram of restorative procedure.
In figure: 1-staving press, 2-reaming beam, 3-jumping-up beam, 4-reaming cylinder, 5-bottom girder, 6-pull bar column, 7-reaming bar.
Detailed description of the invention
Measure and adjust restorative procedure below in conjunction with drawings and Examples to the concentricity of a kind of Steel Pipe Heat extruding staving press of the present invention of the present invention to be further described.
Embodiment
As it is shown in figure 1, the concentricity of a kind of Steel Pipe Heat extruding staving press is measured and adjusts restorative procedure, including staving press 1, it specifically comprises the following steps that
1) remove the reaming bar 7 of staving press 1, reserve the connection screw thread bottom reaming beam 2；
2) center at the center and bottom girder 5 to connect screw thread bottom reaming beam 2, this two places central point is benchmark, connects and arranges measuring steel wire；
3) with this measuring steel wire for benchmark, the Concentricity tolerance data of the top and bottom of jumping-up beam 3 and the top and bottom of reaming cylinder 4 are measured respectively；
4) according to step 3) the Concentricity tolerance data that record, adjust the installation site of jumping-up beam 3 and reaming cylinder 4, adjust and repair Concentricity tolerance, reaching technology requirement.
The inside of staving press 1 is from top to bottom sequentially set with reaming beam 2, jumping-up beam 3, reaming cylinder 4 and bottom girder 5, wherein, the bottom of reaming beam is provided with connection screw thread, and the center of jumping-up beam and reaming cylinder all offers through hole, jumping-up beam is spun by two pull bar columns 6 and inserts beam body both sides stationary positioned, the connection screw thread of the bottom of the upper end of reaming bar 7 and reaming beam spins, and the shaft of reaming bar is directed at the center of bottom girder by jumping-up beam and the through hole of reaming cylinder.
Gap between jumping-up beam 3 and pull bar column 6 is less than 0.3mm.
Step 4) in the Concentricity tolerance adjustment of jumping-up beam 3 and reaming cylinder 4 less than 0.5mm.
The concentricity of a kind of Steel Pipe Heat extruding staving press of the present invention is measured and adjusts restorative procedure, can simply, practicably measure and adjust the concentricity of extruder associated components.And energy restorer function precision of the present invention, while meeting manufacturing technique requirent, reduce production cost and spare parts demand.The concentricity that concentricity is measured and adjustment restorative procedure extrudes staving press suitable in various Steel Pipe Heats of a kind of Steel Pipe Heat extruding staving press of the present invention is measured and adjusts reparation field.
Claims (4)
1. the concentricity of Steel Pipe Heat extruding staving press is measured and adjusts a restorative procedure, and including staving press (1), it specifically comprises the following steps that
1) remove the reaming bar (7) of staving press (1), reserve the connection screw thread of reaming beam (2) bottom；
2) connecting the center of screw thread and the center of bottom girder (5) with reaming beam (2) bottom, this two places central point is benchmark, connects and arranges measuring steel wire；
3) with this measuring steel wire for benchmark, the Concentricity tolerance data of the top and bottom of jumping-up beam (3) and the top and bottom of reaming cylinder (4) are measured respectively；
4) according to step 3) the Concentricity tolerance data that record, adjust the installation site of jumping-up beam (3) and reaming cylinder (4), adjust and repair Concentricity tolerance, reaching technology requirement.
2. the concentricity of a kind of Steel Pipe Heat as claimed in claim 1 extruding staving press is measured and adjusts restorative procedure, it is characterized in that, the inside of described staving press (1) is from top to bottom sequentially set with reaming beam (2), jumping-up beam (3), reaming cylinder (4) and bottom girder (5), wherein, the bottom of reaming beam is provided with connection screw thread, and the center of jumping-up beam and reaming cylinder all offers through hole, jumping-up beam is spun by two pull bar columns (6) and inserts beam body both sides stationary positioned, the connection screw thread of the upper end of reaming bar (7) and the bottom of reaming beam spins, the shaft of reaming bar is directed at the center of bottom girder by jumping-up beam and the through hole of reaming cylinder.
3. the concentricity of a kind of Steel Pipe Heat as claimed in claim 2 extruding staving press is measured and adjusts restorative procedure, it is characterised in that the gap between described jumping-up beam (3) and pull bar column (6) is less than 0.3mm.
4. the concentricity of a kind of Steel Pipe Heat as claimed in claim 1 extruding staving press is measured and adjusts restorative procedure, it is characterised in that described step 4) in the Concentricity tolerance adjustment of jumping-up beam (3) and reaming cylinder (4) less than 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853314.6A CN105806298A (en) | 2014-12-31 | 2014-12-31 | Concentricity measurement and adjustment restoration method for steel pipe hot extruding reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853314.6A CN105806298A (en) | 2014-12-31 | 2014-12-31 | Concentricity measurement and adjustment restoration method for steel pipe hot extruding reamer |
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| CN105806298A true CN105806298A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410853314.6A Pending CN105806298A (en) | 2014-12-31 | 2014-12-31 | Concentricity measurement and adjustment restoration method for steel pipe hot extruding reamer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420687A (en) * | 2017-09-01 | 2019-03-05 | 宝钢特钢有限公司 | The measurement and method of adjustment of extrusion die concentricity applied to steel pipe heat extruder |
| CN111434400A (en) * | 2019-01-15 | 2020-07-21 | 宝武特种冶金有限公司 | Center measuring and adjusting method of steel pipe hot extrusion reamer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112723A (en) * | 1974-11-07 | 1978-09-12 | Kobe Steel, Ltd. | Hydrostatic extrusion apparatus |
| CN202238994U (en) * | 2011-10-14 | 2012-05-30 | 太原重工股份有限公司 | Rapid alignment detection device of extruding machine |
| CN202599320U (en) * | 2012-06-06 | 2012-12-12 | 哈尔滨透平集团公司 | Condenser intermediate tube plate concentricity checking device |
| CN103914080A (en) * | 2014-04-16 | 2014-07-09 | 江苏省水利机械制造有限公司 | Coaxiality adjusting method for heel post of triangular gate |
-
2014
- 2014-12-31 CN CN201410853314.6A patent/CN105806298A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112723A (en) * | 1974-11-07 | 1978-09-12 | Kobe Steel, Ltd. | Hydrostatic extrusion apparatus |
| CN202238994U (en) * | 2011-10-14 | 2012-05-30 | 太原重工股份有限公司 | Rapid alignment detection device of extruding machine |
| CN202599320U (en) * | 2012-06-06 | 2012-12-12 | 哈尔滨透平集团公司 | Condenser intermediate tube plate concentricity checking device |
| CN103914080A (en) * | 2014-04-16 | 2014-07-09 | 江苏省水利机械制造有限公司 | Coaxiality adjusting method for heel post of triangular gate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109420687A (en) * | 2017-09-01 | 2019-03-05 | 宝钢特钢有限公司 | The measurement and method of adjustment of extrusion die concentricity applied to steel pipe heat extruder |
| CN111434400A (en) * | 2019-01-15 | 2020-07-21 | 宝武特种冶金有限公司 | Center measuring and adjusting method of steel pipe hot extrusion reamer |
| CN111434400B (en) * | 2019-01-15 | 2021-09-07 | 宝武特种冶金有限公司 | Center measuring and adjusting method of steel pipe hot extrusion reamer |
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Application publication date: 20160727 |
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