CN105772815A - Method for machining 90-degree V-shaped grooves spirally distributed in large shaft through common numerically controlled boring machine tool - Google Patents
Method for machining 90-degree V-shaped grooves spirally distributed in large shaft through common numerically controlled boring machine tool Download PDFInfo
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- CN105772815A CN105772815A CN201610192078.7A CN201610192078A CN105772815A CN 105772815 A CN105772815 A CN 105772815A CN 201610192078 A CN201610192078 A CN 201610192078A CN 105772815 A CN105772815 A CN 105772815A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/32—Milling helical grooves, e.g. in making twist-drills
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Abstract
The invention relates to a method for machining 90-degree V-shaped grooves spirally distributed in a large shaft through a common numerically controlled boring machine tool. The method comprises the steps that the circular portions at the two ends of a workpiece are placed at carrying rollers of two bases correspondingly; a spiral-distribution correcting template is fixed to the end surface at one end of the workpiece, the spiral-distribution correcting template is provided with a plurality of rotation angle scribed lines, all the rotation angle scribed lines intersect at one point and are distributed evenly around the intersection point, and the intersection point is located at the axis of the workpiece; the workpiece is rotated, and whether the corresponding rotation angle scribed lines on the spiral-distribution correcting template are in position or not is verified by a height gauge; and the workpiece is pressed tightly after the corresponding rotation angle scribed lines are in position. A vertical milling head is adopted by the common numerically controlled boring machine tool; the vertical milling head is adjusted, so that a 45-degree included angle is formed between the vertical milling head and the workpiece; and the vertical milling head is controlled to move in position to mill the groove. According to the method, the rotation angle of the large shaft can be controlled precisely, machining is accurate, operation is convenient and cost is low.
Description
Technical field
The invention belongs to field of machining, be specifically related on a kind of big profile shaft of general NC Boring machine processing the method for 90 degree of V-groove of Spiral distribution.
Background technology
In field of machining, small-size shaft processing is fairly simple, processing method is more various, the processing of big profile shaft is then sufficiently complex, particularly in when big profile shaft is processed 90 degree of V-groove of Spiral distribution, if employing machine tool, can not being accurately controlled the amount of movement of the angle of the rotation of big profile shaft, the feeding depth of milling cutter and milling cutter, machining accuracy is not high；If employing numerical control borer, the feeding depth of milling cutter and the amount of movement of milling cutter can be accurately controlled, but workpiece is necessarily mounted on large-sized numerical control boring machine just can have proprietary workpiece turntable accurately to control the anglec of rotation of workpiece, or (big profile shaft is motionless directly to adopt multi-shaft interlocked numerical control borer, milling cutter completes processing according to required form under multi-shaft interlocked) just can complete accurate processing, in actual production, multi-shaft interlocked numerical control borer and large-sized numerical control boring machine not only cost are high but also maintenance cost is high, and general NC boring machine (volume is little, there is no proprietary workpiece turntable, milling cutter can not be multi-shaft interlocked) cost is low, therefore, from the angle saving cost, need to design a kind of method of 90 degree of V-groove of Spiral distribution on big profile shaft of general NC Boring machine processing.
Summary of the invention
It is an object of the invention to provide a kind of method of 90 degree of V-groove of Spiral distribution on big profile shaft of general NC Boring machine processing, the method can accurately control the angle of the rotation of big profile shaft, precision machining, and easy to operate, cost is low.
The technical solution adopted in the present invention is:
On a kind of big profile shaft of general NC Boring machine processing, the method for 90 degree of V-groove of Spiral distribution, comprises the steps,
1) workbench is set within the scope of general NC Boring machine processing, fixes two symmetrical bases on the table, base arranges the carrying roller (angle is 100 degree) of two V-shaped arrangements, the levelness of (passing through dial gauge) calibration carrying roller；The circular portion at workpiece two ends is individually positioned on the carrying roller of two bases, the levelness of (passing through dial gauge) calibration workpiece and perpendicularity；
2) fixing lower Hough on base, arranges Hough at the circular portion of workpiece, and upper and lower Hough is bolted, and two groups of upper and lower Houghs can coordinate thus compressing or unclamping workpiece (when unclamping, having 5mm gap between upper and lower Hough) simultaneously；
3) on one end end face of workpiece, Spiral distribution aligning template is fixed, Spiral distribution aligning template is provided with some anglec of rotation grooves, all anglec of rotation grooves intersect at a point, all rotating scale wire-wound joinings are uniformly distributed (number of graduation mark is equal to the number needing processing V-shaped groove), joining is positioned at the axle center (one end end face of Spiral distribution aligning template and workpiece is positioned, it is ensured that coaxial) of workpiece by seam；
4) unclamp workpiece and rotate, verifying that whether the corresponding anglec of rotation groove on Spiral distribution aligning template is vertical by height gauge, vertical (the namely workpiece is rotated in place) workpiece pressing afterwards of corresponding anglec of rotation groove；
5) general NC boring machine adopts end mill head, adjusts end mill head so as to be 45 degree angles (V-groove that guarantee processes is 90 degree) with workpiece, and control end mill head moves into place and groove milling (end mill head put position in place and working depth all automatically controls, precision height)；
6) step 4) and step 5) are repeated, until V-groove is fully completed.
Further, dial gauge fixed by the cutterhead of general NC boring machine, general NC boring machine controls cutterhead and drives dial gauge to move in the horizontal direction, when the test lead of dial gauge is with carrying roller laminating, can the levelness of calibration carrying roller, when the side laminating of test lead and the workpiece of dial gauge, can the levelness of calibration workpiece, when the top margin laminating of test lead and the workpiece of dial gauge, can the perpendicularity of calibration workpiece.
Further, at workpiece away from one end end face of Spiral distribution aligning template is fixed two bolts, during rotational workpieces, crowbar is stuck between two bolts, by rotating crowbar rotational workpieces.
The invention has the beneficial effects as follows:
1. workpiece rotates after meeting the requirement of levelness and perpendicularity, whether the corresponding anglec of rotation groove verified on Spiral distribution aligning template by height gauge is put in place, it is that workpiece is rotated in place that corresponding anglec of rotation groove puts in place, and the method can accurately control the anglec of rotation of big profile shaft, precision machining；Only need to controlling two groups of upper and lower Houghs during operation can realize the compression of workpiece or unclamp, whether the corresponding anglec of rotation groove verified on Spiral distribution aligning template by height gauge is put in place, simple to operation；The method does not need multi-shaft interlocked numerical control borer and large-sized numerical control boring machine, and cost is low.
2. during the various linearity of centimeter check, driven by general NC boring machine mobile, eliminate layout guiding mechanism and travel mechanism, easy to operate.
3. by rotating crowbar rotational workpieces, adopting lever principle, reduce the power needed for rotational workpieces, operation is easily.
Accompanying drawing explanation
Fig. 1 is front view during end mill head processing work.
Fig. 2 is top view during end mill head processing work.
Fig. 3 is the side view after workpiece is placed on the carrying roller of two bases.
Fig. 4 is schematic diagram during levelness and the perpendicularity of dial gauge calibration workpiece.
Fig. 5 is front view during end mill head processing work after the corresponding anglec of rotation groove on height gauge checking Spiral distribution aligning template puts in place.
In figure: 1-workpiece；2-end mill head；3-Spiral distribution aligning template；4-Hough assembly；5-bolt；6-base；7-workbench；8-carrying roller；9-height gauge；10-general NC boring machine；11-dial gauge.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
On a kind of big profile shaft of general NC Boring machine processing, the method (V-groove is discrete, has interval between adjacent V-groove) of 90 degree of V-groove of Spiral distribution, comprises the steps:
1) as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, workbench 7 is set in general NC boring machine 10 range of work, fixes two symmetrical bases 6 on the table 7, base 6 arranges the carrying roller 8(of two V-shaped arrangements in the present embodiment, angle is 100 degree), the levelness of calibration carrying roller 8；By big for workpiece 1(profile shaft) circular portion at two ends is individually positioned on the carrying roller 8 of two bases 6, the levelness of (by dial gauge 11) calibration workpiece 1 and perpendicularity.
2) fixing lower Hough on base 6, arranges Hough at the circular portion of workpiece 1, and upper and lower Hough is connected by bolt 5, and two groups of upper and lower Houghs can coordinate thus compressing or unclamping workpiece 1(when unclamping simultaneously, has 5mm gap between upper and lower Hough).
3) as shown in Figure 3, one end end face of workpiece 1 is fixed Spiral distribution aligning template 3, Spiral distribution aligning template 3 is provided with some anglec of rotation grooves, all anglec of rotation grooves intersect at a point, all rotating scale wire-wound joinings are uniformly distributed (number of graduation mark is equal to the number needing processing V-shaped groove), joining is positioned at the axle center (one end end face of Spiral distribution aligning template 3 and workpiece 1 is positioned, it is ensured that coaxial) of workpiece 1 by seam.
4) as shown in Figure 5, unclamp workpiece 1 and rotate, verify that whether the corresponding anglec of rotation groove on Spiral distribution aligning template 3 is vertical (when anglec of rotation groove is vertical by height gauge 9, height gauge 9 upper part can be stretched in the groove of anglec of rotation groove, when anglec of rotation groove out of plumb, height gauge 9 upper part can not be stretched in the groove of anglec of rotation groove), vertical (namely workpiece 1 is rotated in place) workpiece pressing 1 afterwards of corresponding anglec of rotation groove.
5) general NC boring machine 10 adopts end mill head 2, adjust end mill head 2 so as to be 45 degree of angles (V-groove that guarantee processes is 90 degree) with workpiece 1, control end mill head 2 to move into place and groove milling (end mill head 2 put position in place and working depth all automatically controls, precision height).
6) step 4) and step 5) are repeated, until V-groove is fully completed.
Workpiece 1 rotates after meeting the requirement of levelness and perpendicularity, whether the corresponding anglec of rotation groove verified on Spiral distribution aligning template 3 by height gauge 9 is put in place (vertically), it is that workpiece 1 is rotated in place that corresponding anglec of rotation groove puts in place, the method can accurately control the anglec of rotation of big profile shaft, precision machining；Only need to controlling two groups of upper and lower Houghs during operation can realize the compression of workpiece 1 or unclamp, whether the corresponding anglec of rotation groove verified on Spiral distribution aligning template 3 by height gauge 9 is put in place, simple to operation；The method does not need multi-shaft interlocked numerical control borer and large-sized numerical control boring machine, and cost is low.
As shown in Figure 4, in the present embodiment, the cutterhead of general NC boring machine 10 is fixed dial gauge 11, general NC boring machine 10 controls cutterhead and drives dial gauge 11 to move in the horizontal direction, when test lead and the carrying roller 8 of dial gauge 11 are fitted, and can the levelness of calibration carrying roller 8, when the test lead of dial gauge 11 is fitted with the side of workpiece 1, can the levelness of calibration workpiece 1, when the top margin laminating of test lead and the workpiece 1 of dial gauge 11, can the perpendicularity of calibration workpiece 1.When dial gauge 11 detects various linearity, driven by general NC boring machine 10 mobile, eliminate layout guiding mechanism and travel mechanism, easy to operate.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, in the present embodiment, at workpiece 1 away from one end end face of Spiral distribution aligning template 3 is fixed two bolts 5, during rotational workpieces 1, crowbar is stuck between two bolts 5, by rotating crowbar rotational workpieces 1.Adopting lever principle, reduce the power needed for rotational workpieces 1, operation is easily.
It should be appreciated that for those of ordinary skills, it is possible to improved according to the above description or converted, and all these are improved and convert the protection domain that all should belong to claims of the present invention.
Claims (3)
1. the method for 90 degree of V-groove of Spiral distribution on the big profile shaft of general NC Boring machine processing, it is characterised in that: comprise the steps,
1) workbench is set within the scope of general NC Boring machine processing, fixes two symmetrical bases on the table, base arranges the carrying roller of two V-shaped arrangements, the levelness of calibration carrying roller；The circular portion at workpiece two ends is individually positioned on the carrying roller of two bases, the levelness of calibration workpiece and perpendicularity；
2) fixing lower Hough on base, arranges Hough at the circular portion of workpiece, and upper and lower Hough is bolted, and two groups of upper and lower Houghs can coordinate thus compressing or unclamping workpiece simultaneously；
3) on one end end face of workpiece, Spiral distribution aligning template is fixed, Spiral distribution aligning template is provided with some anglec of rotation grooves, all anglec of rotation grooves intersect at a point, and all rotating scale wire-wound joinings are uniformly distributed, and joining is positioned at the axle center of workpiece；
4) unclamping workpiece and rotate, verifying that whether the corresponding anglec of rotation groove on Spiral distribution aligning template is vertical by height gauge, corresponding anglec of rotation groove is rear workpiece pressing vertically；
5) general NC boring machine adopts end mill head, adjusts end mill head so as to be 45 degree of angles with workpiece, controls end mill head and moves into place and groove milling；
6) step 4) and step 5) are repeated, until V-groove is fully completed.
2. the method for 90 degree of V-groove of Spiral distribution on the big profile shaft of general NC Boring machine processing as claimed in claim 1, it is characterized in that: on the cutterhead of general NC boring machine, fix dial gauge, general NC boring machine controls cutterhead and drives dial gauge to move in the horizontal direction, when the test lead of dial gauge is with carrying roller laminating, can the levelness of calibration carrying roller, when the test lead of dial gauge is fitted with the side of workpiece, can the levelness of calibration workpiece, when the top margin laminating of test lead and the workpiece of dial gauge, can the perpendicularity of calibration workpiece.
3. the method for 90 degree of V-groove of Spiral distribution on the big profile shaft of general NC Boring machine processing as claimed in claim 1, it is characterized in that: at workpiece away from one end end face of Spiral distribution aligning template is fixed two bolts, during rotational workpieces, crowbar is stuck between two bolts, by rotating crowbar rotational workpieces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610192078.7A CN105772815B (en) | 2016-03-30 | 2016-03-30 | The method of 90 degree of V-grooves of Spiral distribution on the big profile shaft of general NC Boring machine processing |
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| CN201610192078.7A CN105772815B (en) | 2016-03-30 | 2016-03-30 | The method of 90 degree of V-grooves of Spiral distribution on the big profile shaft of general NC Boring machine processing |
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| CN105772815A true CN105772815A (en) | 2016-07-20 |
| CN105772815B CN105772815B (en) | 2018-01-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107931635A (en) * | 2017-11-02 | 2018-04-20 | 中核（天津）机械有限公司 | A kind of apparatus and method for the main shaft tail top concentricity for being used to detect double tool rest lathe |
| CN108655478A (en) * | 2018-05-31 | 2018-10-16 | 武汉船用机械有限责任公司 | A kind of processing unit (plant) of radially skewed slot |
| CN112902807A (en) * | 2021-01-14 | 2021-06-04 | 富通集团（天津）超导技术应用有限公司 | Cable helix angle measuring device and measuring method |
| CN113909822A (en) * | 2021-11-03 | 2022-01-11 | 中冶陕压重工设备有限公司 | Machining method and detection method for flying shear shaft with spiral cutter groove |
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| SU1563857A1 (en) * | 1988-01-19 | 1990-05-15 | Предприятие П/Я В-2775 | Duplicating device for metal-cutting machine |
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| CN105414633A (en) * | 2015-12-04 | 2016-03-23 | 天水锻压机床(集团)有限公司 | Device for milling large-lifting-angle spiral groove through planer type milling machine |
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| SU1563857A1 (en) * | 1988-01-19 | 1990-05-15 | Предприятие П/Я В-2775 | Duplicating device for metal-cutting machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931635A (en) * | 2017-11-02 | 2018-04-20 | 中核（天津）机械有限公司 | A kind of apparatus and method for the main shaft tail top concentricity for being used to detect double tool rest lathe |
| CN108655478A (en) * | 2018-05-31 | 2018-10-16 | 武汉船用机械有限责任公司 | A kind of processing unit (plant) of radially skewed slot |
| CN112902807A (en) * | 2021-01-14 | 2021-06-04 | 富通集团（天津）超导技术应用有限公司 | Cable helix angle measuring device and measuring method |
| CN113909822A (en) * | 2021-11-03 | 2022-01-11 | 中冶陕压重工设备有限公司 | Machining method and detection method for flying shear shaft with spiral cutter groove |
| CN113909822B (en) * | 2021-11-03 | 2024-06-04 | 中冶陕压重工设备有限公司 | Machining method and detection method for flying shear shaft with spiral cutter groove |
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