CN104588716B - The method of Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine - Google Patents
The method of Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine Download PDFInfo
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- CN104588716B CN104588716B CN201410686958.0A CN201410686958A CN104588716B CN 104588716 B CN104588716 B CN 104588716B CN 201410686958 A CN201410686958 A CN 201410686958A CN 104588716 B CN104588716 B CN 104588716B
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- tiger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
Abstract
The present invention relates to the method for Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine, semicircle split technique mold is used to put together on manufactured connecting shaft centre position, after the tiger's jaw of common boring and milling machine processing side, the both sides of processing technology mold are as the technical face of processing opposite side tiger's jaw, use white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole；Work pieces process reversed end for end by workpiece.The method of the present invention can realize the Precision Machining of universal-joint spindle both sides tiger's jaw on common boring and milling machine, it is achieved both sides tiger's jaw and the perpendicularity of axle journal, axiality requirement, simple to operate, precision is higher, cost-effective.Through detection after processing, the axle journal axiality of assembling brasses is 0.1mm, and tiger's jaw center is 0.15mm with the perpendicularity of brasses axle journal；Both sides tiger's jaw central coaxial degree 0.18mm, machining accuracy fully meets use requirement.
Description
Technical field
The present invention relates to the processing of rolling mill universal spindle, particularly to realizing the precision machined side of universal-joint spindle on common boring machine
Method.
Background technology
Universal-joint spindle is the critical piece of steel rolling equipment, is the connecting rod between motor room and operation roll of mill, is across motor
Between room and steel rolling equipment factory building, total length 9535.4mm, the long 7953.5mm of middle joint spindle, assembles at the 3857.6mm of center
Brasses, the two ends of spindle assemble spindle nose respectively, and the tiger's jaw of overall processing both sides after assembling, tiger's jaw side is connected with motor, separately
Side is connected with working roll.
Required precision: axle journal axiality 0.1mm of assembling brasses, tiger's jaw center and perpendicularity 0.2mm of brasses axle journal；Two
At the ∮ 101.6H7 that center working depth is 800mm after side tiger's jaw central coaxial degree 0.2mm, connecting shaft and spindle nose assembling
Deep hole assembling hydraulic cylinder, for bearing shell lubrication oil supply.
To reach the requirement of this type of workpiece accuracy according to conventional processing method, need accurate large-sized numerical control boring and milling lathe to add
Work, processing cost is the highest.
Summary of the invention
The technical problem to be solved is to provide Precision Machining universal-joint spindle both sides tiger's jaw and liquid on a kind of common boring machine
The method of cylinder pressure pilot hole, it is ensured that machining accuracy, simple to operate, cost-effective.
For achieving the above object, the present invention realizes by the following technical solutions:
The method of Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine, uses semicircle split technique mold to put together on
The connecting shaft centre position processed, after the tiger's jaw of common boring and milling machine processing side, the both sides of processing technology mold are as processing
The technical face of opposite side tiger's jaw, work pieces process reversed end for end by workpiece；Specifically comprise the following steps that
1. semicircle split technique mold is positioned at manufactured connecting shaft centre position, up and down will with reinforcing bar according to axle journal
Technique mold welds together, and chicken feather paper washer to have been padded in mold endoporus and connecting shaft outer diameter contact position, in order to avoid scratching axle journal；
2. the universal-joint spindle installing technique mold is transported on common boring and milling machine, vertical clamping centering, processes by drawing
Side tiger's jaw size；
3. the motionless boring bar of workpiece stretches out the two sides of processing technology mold, it is ensured that the machined surface of technique mold with tiger's jaw size is
One centering precision, this machined surface is as technical face during the another side tiger's jaw of processing；
4., by white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole；
5. clamping centering again reversed end for end by workpiece, according to the technical face of mold both sides processing looking for straight the most just, according to the upper generatrix of axle journal
Levelling, process another side tiger's jaw size by drawing；
6., by white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole.
Described semicircle split technique mold is that an overall torus cuts in the middle of formation, diameter of bore and connecting shaft from centre
The external diameter of position is consistent.
The anterior angle of described white steel cutter is 92 °, and relief angle is 83 °.
Compared with prior art, the invention has the beneficial effects as follows:
The method of the present invention can realize the Precision Machining of universal-joint spindle both sides tiger's jaw on common boring and milling machine, it is achieved both sides tiger's jaw with
The perpendicularity of axle journal, axiality requirement, simple to operate, precision is higher, cost-effective.Through detection after processing, assemble brasses
Axle journal axiality be 0.1mm, the perpendicularity of tiger's jaw center and brasses axle journal is 0.15mm；Both sides tiger's jaw central coaxial degree
0.18mm, machining accuracy fully meets use requirement.
Accompanying drawing explanation
Fig. 1 is present invention process mold scheme of installation.
Fig. 1-1 is A-A sectional view in Fig. 1.
Fig. 2 is the technique positioner structure figure of the present invention.
Fig. 3 is the white steel cutter structure chart of the present invention.
In figure: 1-universal-joint spindle 2-technique mold 3-hydraulic cylinder pilot hole 4-white steel cutter 5-reinforcing bar
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is further illustrated:
As in figure 2 it is shown, semicircle split technique mold is an overall torus cuts formation, diameter of bore and company from centre
The external diameter in spindle centre position is consistent for ∮ 508mm.
As it is shown on figure 3, the anterior angle of white steel cutter is 92 °, relief angle is 83 °.
As it is shown in figure 1, on common boring machine the method for Precision Machining universal-joint spindle both sides tiger's jaw, use semicircle split technique
Mold puts together on manufactured connecting shaft centre position, after the tiger's jaw of common boring and milling machine processing side, processing technology mold
Work pieces process has been reversed end for end as the technical face of processing opposite side tiger's jaw, workpiece in both sides；Specifically comprise the following steps that
1. being cut along center by technique mold, kerf width about 40mm, by two halfbody molds with endoporus ∮ 508mm
It is at ∮ 508mm that sizing puts together on spindle intermediate outer, incision site according to axle journal respectively with three reinforcing bars by two
Halfbody mold welds together, and chicken feather paper washer to have been padded in mold endoporus and axle journal outer diameter contact position, in order to avoid scratching axle journal.
2. the universal-joint spindle installing technique mold is transported on general T X16 boring and milling machine, vertical clamping centering, wants by drawing
Seek processing side tiger's jaw size.
3. the motionless boring bar of workpiece stretches out the two sides of processing technology mold, it is ensured that the machined surface of technique mold with tiger's jaw size is
One centering precision, this machined surface is as technical face during the another side tiger's jaw of processing.
4., by white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole ∮
The deep 800mm of 101.6H7.
5. clamping centering again reversed end for end by workpiece, according to the technical face of mold both sides processing looking for straight the most just, according to the upper generatrix of axle journal
Levelling, process another side tiger's jaw size by drawing.
6., by white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole ∮
The deep 800mm of 101.6H7.
Through detection after processing, the axle journal axiality of assembling brasses is 0.1mm, and tiger's jaw center with the perpendicularity of brasses axle journal is
0.15mm；Both sides tiger's jaw central coaxial degree 0.18mm, machining accuracy fully meets use requirement.
Described above is only the general principle of the present invention, not imposes any restrictions the present invention, every enters it according to the present invention
Row equivalent variations and modification, all within the category of the art of this patent protection scheme.
Claims (3)
1. the method for Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine, it is characterised in that use semicircle split
Technique mold puts together on manufactured connecting shaft centre position, after the tiger's jaw of common boring and milling machine processing side, and processing technology tire
Work pieces process has been reversed end for end as the technical face of processing opposite side tiger's jaw, workpiece in the both sides of tool；Specifically comprise the following steps that
1) semicircle split technique mold is positioned at manufactured connecting shaft centre position, uses reinforcing bar according to axle journal up and down
Being welded together by technique mold, chicken feather paper washer to have been padded in mold endoporus and connecting shaft outer diameter contact position, in order to avoid scratching axle journal；
2) universal-joint spindle installing technique mold is transported on common boring and milling machine, vertical clamping centering, adds by drawing
Work side tiger's jaw size；
3) the motionless boring bar of workpiece stretches out the two sides of processing technology mold, it is ensured that the machined surface of technique mold and tiger's jaw size
Being a centering precision, this machined surface is as technical face during the another side tiger's jaw of processing；
4) by white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole；
5) clamping centering again reversed end for end by workpiece, according to the technical face of mold both sides processing looking for straight the most just, according to the upper generatrix of axle journal
Levelling, process another side tiger's jaw size by drawing；
6) by white steel cutter clamping on knife bar, knife bar utilizes and presss from both sides canned being clipped on boring bar, working fluid cylinder pressure pilot hole.
The method of Precision Machining universal-joint spindle both sides tiger's jaw, its feature on common boring machine the most according to claim 1
Being, described semicircle split technique mold is that an overall torus cuts in formation, diameter of bore and connecting shaft from centre
Between the external diameter of position consistent.
The method of Precision Machining universal-joint spindle both sides tiger's jaw, its feature on common boring machine the most according to claim 1
Being, the anterior angle of described white steel cutter is 92 °, and relief angle is 83 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686958.0A CN104588716B (en) | 2014-11-25 | 2014-11-25 | The method of Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686958.0A CN104588716B (en) | 2014-11-25 | 2014-11-25 | The method of Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104588716A CN104588716A (en) | 2015-05-06 |
| CN104588716B true CN104588716B (en) | 2016-08-31 |
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|---|---|---|---|
| CN201410686958.0A Active CN104588716B (en) | 2014-11-25 | 2014-11-25 | The method of Precision Machining universal-joint spindle both sides tiger's jaw on common boring machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2575602A (en) * | 1947-08-18 | 1951-11-20 | Fraser Kenneth G | Universal joint of the jaw type |
| JPH08320028A (en) * | 1995-05-26 | 1996-12-03 | Matsui Seisakusho:Kk | Processing method for yoke |
| CN1061284C (en) * | 1997-10-10 | 2001-01-31 | 重庆钢铁股份有限公司 | Repair method of vice jaw in universal joint |
| CN102000956A (en) * | 2010-11-09 | 2011-04-06 | 许昌远东传动轴股份有限公司 | Metal processing technique for universal joint fork of transmission shaft |
| CN203171023U (en) * | 2013-04-12 | 2013-09-04 | 南车资阳机车有限公司 | Tool for machining high precision crankshaft hole series |
| CN103357917A (en) * | 2013-07-22 | 2013-10-23 | 烟台开发区蓝鲸金属修复有限公司 | Boring machine for processing vise connecting shaft and processing method thereof |
| CN103737267A (en) * | 2014-01-03 | 2014-04-23 | 中信重工机械股份有限公司 | Method for processing end face tooth super-long joint shaft |
-
2014
- 2014-11-25 CN CN201410686958.0A patent/CN104588716B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2575602A (en) * | 1947-08-18 | 1951-11-20 | Fraser Kenneth G | Universal joint of the jaw type |
| JPH08320028A (en) * | 1995-05-26 | 1996-12-03 | Matsui Seisakusho:Kk | Processing method for yoke |
| CN1061284C (en) * | 1997-10-10 | 2001-01-31 | 重庆钢铁股份有限公司 | Repair method of vice jaw in universal joint |
| CN102000956A (en) * | 2010-11-09 | 2011-04-06 | 许昌远东传动轴股份有限公司 | Metal processing technique for universal joint fork of transmission shaft |
| CN203171023U (en) * | 2013-04-12 | 2013-09-04 | 南车资阳机车有限公司 | Tool for machining high precision crankshaft hole series |
| CN103357917A (en) * | 2013-07-22 | 2013-10-23 | 烟台开发区蓝鲸金属修复有限公司 | Boring machine for processing vise connecting shaft and processing method thereof |
| CN103737267A (en) * | 2014-01-03 | 2014-04-23 | 中信重工机械股份有限公司 | Method for processing end face tooth super-long joint shaft |
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| Publication number | Publication date |
|---|---|
| CN104588716A (en) | 2015-05-06 |
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