CN112917191B - Device for assisting in positioning of B-axis rotation center of swing angle milling head - Google Patents

Device for assisting in positioning of B-axis rotation center of swing angle milling head Download PDF

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Publication number
CN112917191B
CN112917191B CN202110235524.9A CN202110235524A CN112917191B CN 112917191 B CN112917191 B CN 112917191B CN 202110235524 A CN202110235524 A CN 202110235524A CN 112917191 B CN112917191 B CN 112917191B
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milling head
swing angle
rotation center
angle milling
connecting plate
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CN112917191A (en
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刘志峰
曹子睿
赵鹏睿
李志雄
苏李航
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Beijing University of Technology
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Beijing University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine

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Abstract

The invention discloses a device for assisting in positioning a B-axis rotation center of a swing angle milling head, which consists of a main body fixing support and a rotation center adjusting mechanism, wherein the main body fixing support comprises a main body and a main body, and the main body is provided with a main body fixing support, a main body fixing support and a main body, and the main body fixing support comprises a main body, a main body and a main body, wherein the main body fixing support comprises a main body, a swing angle milling head, a swing angle milling head, a swing angle, and a swing angle, a milling head, a swing angle, a milling: the main body fixing support mainly comprises a connecting plate for the end face of the swing angle milling head and a connecting plate for a WR50 rotary table. The rotation center adjusting mechanism mainly comprises a vertical position adjusting mechanism and a horizontal position adjusting mechanism. According to the invention, the rotation center of the B axis of the swing angle milling head can be accurately positioned by adjusting the positions of the vertical position adjusting mechanism and the horizontal position adjusting mechanism. The vertical position adjusting mechanism and the horizontal position adjusting mechanism are driven by threads, are positioned highly and have a self-locking function. Compared with the existing method for positioning the rotation center of the B shaft of the swing angle milling head by only adjusting the position of the WR50 rotary table through a manual tightening bolt, the efficiency and the positioning accuracy can be obviously improved through the device.

Description

Device for assisting in positioning of B-axis rotation center of swing angle milling head
Technical Field
The invention relates to a device for assisting in positioning a B-axis rotation center of a swing angle milling head, belongs to the field of structural design and manufacturing of technological equipment, and is mainly used in the process of measuring the precision of a B-axis rotation shaft of the swing angle milling head by using a laser interferometer.
Background
When the numerical control machining of large-scale precise complex curved surfaces is carried out, enterprises can use a swing angle milling head to cooperate with a gantry machine tool to carry out five-axis linkage machining. In order to ensure the quality of the processed surface, a processing master machine with excellent processing technology and high precision is required. The structure of the swing angle milling head is mostly B/C shaft or A/C shaft, the cutter is arranged at the tail end of the swing shaft, and the pose adjustment is mainly realized through the movement of the swing shaft. The rotation precision detection of the swing shaft becomes a very critical step.
The laser interferometer is a classic 'measurement and control technology' instrument integrating photoelectric and sensing technologies into a whole, and is a measuring instrument recognized to date with high precision and high sensitivity. The high-precision measuring device can realize high-precision measurement of geometric parameters such as linear length measurement, angle measurement, straightness accuracy, perpendicularity, parallelism and planeness in the mechanical field, and one of the most main applications is machine tool precision detection. When the rotation precision of the oscillating shaft is detected, the axis of the automatic turntable with the angle reflecting mirror in the laser interferometer needs to be superposed with the rotation axis of the oscillating shaft so as to achieve accurate measurement.
The invention discloses a device for assisting in positioning the B-axis rotation center of a swing angle milling head, which is light in structure and easy to disassemble and assemble, is used for assisting in positioning the B-axis rotation center of the swing angle milling head, and can obviously improve the efficiency and positioning accuracy compared with the conventional method for positioning the B-axis rotation center of the swing angle milling head only by adjusting a structure through a manual loose bolt.
Disclosure of Invention
The utility model provides a device that is used for assistance-localization real-time pivot cutter head B axle centre of rotation which characterized in that:
the medicine consists of two parts: the main body fixing support and the rotation center adjusting mechanism;
the main body fixing support mainly comprises two parts, namely a swing angle milling head end face connecting plate (1) and a WR50 rotary table connecting plate (2). The end face connecting plate of the swing angle milling head is used for being connected with the end face of the swing angle milling head, and the connecting plate and the swing angle milling head are guaranteed to have higher parallelism through four matched positioning blocks (3); the WR50 turntable connecting plate is used for fixing the rotation center adjusting mechanism and is connected with the swing angle milling head section connecting plate in a bolt mode, and a triangular rib plate (4) is added for increasing the connecting rigidity of the WR50 turntable connecting plate and the swing angle milling head section connecting plate. And a plurality of grooves and holes are respectively arranged on the connecting plate of the end surface of the swing angle milling head and the connecting plate of the WR50 rotary table, so that the overall structure quality is reduced.
The rotation center adjusting mechanism mainly comprises two parts, namely a vertical position adjusting mechanism and a horizontal position adjusting mechanism. The plumb position adjusting mechanism is used for adjusting the position of the rotation center of the WR50 rotary table in the plumb direction, a plumb adjusting bolt (5) is fixed on a plumb position adjusting fixing plate (6), and a horizontal sliding base (7) is pushed by rotating the plumb adjusting bolt, so that the adjustment of the rotation center in the plumb direction is realized; the horizontal position adjusting mechanism is used for adjusting the position of the rotating center of the WR50 rotary table in the horizontal direction, the horizontal adjusting bolt (8) is fixed on the horizontal position adjusting plate (9), and the WR50 rotary table fixing plate (10) is pushed by rotating the horizontal adjusting bolt, so that the adjustment of the rotating center in the horizontal direction is realized. The WR50 rotary table connecting plate is provided with a scale value, and the plumb bob and the horizontal position of the WR50 rotary table fixing plate can be preliminarily adjusted according to the scale value, so that the subsequent further adjustment is facilitated.
A position fastening bolt (11) is designed on the horizontal sliding base and is used for locking the horizontal sliding base and a WR50 rotary table fixing plate after the rotation center is adjusted.
The WR50 rotary table (12) is fixed on the WR50 rotary table fixed disc (13) in a bolt connection mode, and an angle reflector (14) at the rear end of the WR50 rotary table can reflect laser emitted by the laser emitter back to an SJ6000 laser head.
The invention aims at the rotation center positioning process of the swing angle milling head and comprises seven steps:
and S1, connecting the main body fixing support with the end face of the swing angle milling head.
And S2, manually resetting the vertical position adjusting mechanism and the horizontal position adjusting mechanism.
And S3, adjusting the level, and adjusting the bolt by plumb bob to a specific scale value.
And S4, detecting the circular ring contour of the WR50 turntable fixed disc by using a dial indicator.
And S5, adjusting the horizontal and plumb adjusting bolts again according to the measurement result.
And S6, repeating the steps S4-S5 until the change of the dial indicator value is within the acceptance range.
And S7, fastening bolts at the locking positions, and mounting a WR50 turntable to a WR50 turntable fixing plate.
The step S1 specifically includes: the four positioning blocks are sequentially connected with a connecting plate of the end face of the swing angle milling head, then sequentially connected with the end face of the swing angle milling head, and finally sequentially screwed up according to the sequence of diagonal intersection.
The step S4 specifically includes: the circular ring of the WR50 turntable fixed disk is equally divided into 8 parts, and the values of the dial indicator at 45 degrees, 90 degrees and 135 degrees are measured in sequence, and the values correspond to the swing angle milling head B axis swing at-45 degrees, 0 degrees and 45 degrees. The rotation center is preliminarily positioned by measuring three points, the B axis of the swing angle milling head is adjusted to-45 degrees, and the change value of the dial indicator when the B axis rotates from-45 degrees to 45 degrees is observed.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the positions of the vertical position adjusting mechanism and the horizontal position adjusting mechanism are adjusted, so that the B-axis rotation center of the swing angle milling head can be accurately positioned. The vertical position adjusting mechanism and the horizontal position adjusting mechanism are driven by threads, are positioned highly and have a self-locking function. Compared with the existing method for positioning the rotation center of the B shaft of the swing angle milling head by only adjusting the position of the WR50 rotary table through a manual tightening bolt, the efficiency and the positioning accuracy can be obviously improved through the device.
Drawings
FIG. 1 is a working diagram of a device for assisting in positioning the B-axis rotation center of a swing angle milling head
Fig. 2 is a structural diagram of an apparatus for assisting in positioning the B-axis rotation center of a swing angle milling head: 1 end face connecting plate of swing angle milling head, 2 WR50 turntable connecting plate, 3 positioning blocks and 4 triangular ribbed plates
Fig. 3 is a structural diagram of a rotation center adjusting mechanism: 5 plumb adjusting bolt, 6 plumb position adjusting fixing plate, 7 horizontal sliding base, 8 horizontal adjusting bolt, 9 horizontal adjusting plate, 10 WR50 rotary table fixing plate, 11 position fastening bolt
Fig. 4 WR50 connection mode diagram: 12 WR50 rotary table, 13 WR50 rotary table fixed disc and 14-degree reflecting mirror
FIG. 5 is a profile view of WR50 turntable mounting plate
Detailed Description
The invention is described in detail below with reference to the figures and examples.
The utility model provides a device that is used for assistance-localization real-time pivot cutter head B axle centre of rotation which characterized in that:
the medicine consists of two parts: the main body fixing support and the rotation center adjusting mechanism;
the main body fixing support mainly comprises two parts, namely a swing angle milling head end face connecting plate (1) and a WR50 rotary table connecting plate (2). The end face connecting plate of the swing angle milling head is used for being connected with the end face of the swing angle milling head, and the connecting plate and the swing angle milling head are guaranteed to have higher parallelism through four matched positioning blocks (3); the WR50 turntable connecting plate is used for fixing the rotation center adjusting mechanism and is connected with the swing angle milling head section connecting plate in a bolt mode, and a triangular rib plate (4) is added for increasing the connecting rigidity of the WR50 turntable connecting plate and the swing angle milling head section connecting plate. And a plurality of grooves and holes are respectively arranged on the connecting plate of the end surface of the swing angle milling head and the connecting plate of the WR50 rotary table, so that the overall structure quality is reduced.
The rotation center adjusting mechanism mainly comprises two parts, namely a vertical position adjusting mechanism and a horizontal position adjusting mechanism. The plumb position adjusting mechanism is used for adjusting the position of the rotation center of the WR50 rotary table in the plumb direction, a plumb adjusting bolt (5) is fixed on a plumb position adjusting fixing plate (6), and a horizontal sliding base (7) is pushed by rotating the plumb adjusting bolt, so that the adjustment of the rotation center in the plumb direction is realized; the horizontal position adjusting mechanism is used for adjusting the position of the rotating center of the WR50 rotary table in the horizontal direction, the horizontal adjusting bolt (8) is fixed on the horizontal position adjusting plate (9), and the WR50 rotary table fixing plate (10) is pushed by rotating the horizontal adjusting bolt, so that the adjustment of the rotating center in the horizontal direction is realized. The WR50 rotary table connecting plate is provided with a scale value, and the plumb bob and the horizontal position of the WR50 rotary table fixing plate can be preliminarily adjusted according to the scale value, so that the subsequent further adjustment is facilitated.
A position fastening bolt (11) is designed on the horizontal sliding base and is used for locking the horizontal sliding base and a WR50 rotary table fixing plate after the rotation center is adjusted.
The WR50 rotary table (12) is fixed on the WR50 rotary table fixed disc (13) in a bolt connection mode, and an angle reflector (14) at the rear end of the WR50 rotary table can reflect laser emitted by the laser emitter back to an SJ6000 laser head.
The invention aims at the rotation center positioning process of the swing angle milling head and comprises seven steps:
and S1, connecting the main body fixing support with the end face of the swing angle milling head.
And S2, manually resetting the vertical position adjusting mechanism and the horizontal position adjusting mechanism.
And S3, adjusting the level, and adjusting the bolt by plumb bob to a specific scale value.
And S4, detecting the circular ring contour of the WR50 turntable fixing disc by using a dial indicator.
And S5, adjusting the horizontal and plumb adjusting bolts again according to the measurement result.
And S6, repeating the steps S4-S5 until the change of the dial indicator value is within the acceptance range.
And S7, fastening bolts at the locking positions, and mounting a WR50 turntable to a WR50 turntable fixing plate.
The step S1 specifically includes: the four positioning blocks are sequentially connected with a connecting plate of the end face of the swing angle milling head, then sequentially connected with the end face of the swing angle milling head, and finally sequentially screwed up according to the sequence of diagonal intersection.
The step S4 specifically includes: the circular ring of the WR50 turntable fixed disk is equally divided into 8 parts, and the values of the dial indicator at 45 degrees, 90 degrees and 135 degrees are measured in sequence, and the values correspond to the swing angle milling head B axis swing at-45 degrees, 0 degrees and 45 degrees. The rotation center is preliminarily positioned by measuring three points, the B axis of the swing angle milling head is adjusted to-45 degrees, and the change value of the dial indicator when the B axis rotates from-45 degrees to 45 degrees is observed.

Claims (7)

1. The utility model provides a device that is used for assistance-localization real-time pivot cutter head B axle centre of rotation which characterized in that: the device consists of two parts: the main body fixing support and the rotation center adjusting mechanism;
the main body fixing support consists of two parts, namely a swing angle milling head end face connecting plate (1) and a WR50 rotary table connecting plate (2); the end face connecting plate of the swing angle milling head is used for being connected with the end face of the swing angle milling head, and the connecting plate and the swing angle milling head are guaranteed to have higher parallelism through four matched positioning blocks (3); the WR50 turntable connecting plate is used for fixing the rotation center adjusting mechanism and is connected with the swing angle milling head end face connecting plate in a bolt mode, and a triangular rib plate (4) is added for increasing the connecting rigidity of the WR50 turntable connecting plate and the swing angle milling head end face connecting plate;
the rotation center adjusting mechanism consists of two parts, namely a vertical position adjusting mechanism and a horizontal position adjusting mechanism; the plumb position adjusting mechanism is used for adjusting the position of the rotation center of the WR50 rotary table in the plumb direction, a plumb adjusting bolt (5) is fixed on a plumb position adjusting fixing plate (6), and a horizontal sliding base (7) is pushed by rotating the plumb adjusting bolt, so that the adjustment of the rotation center in the plumb direction is realized; the horizontal position adjusting mechanism is used for adjusting the position of the rotating center of the WR50 rotary table in the horizontal direction, the horizontal adjusting bolt (8) is fixed on the horizontal position adjusting plate (9), and the WR50 rotary table fixing plate (10) is pushed by rotating the horizontal adjusting bolt, so that the adjustment of the rotating center in the horizontal direction is realized; the WR50 rotary table connecting plate is provided with a scale value, and the plumb and the horizontal position of the WR50 rotary table fixing plate are preliminarily adjusted according to the scale value, so that subsequent adjustment is facilitated.
2. The device for assisting in positioning the center of rotation of the B-axis of an oscillating milling head according to claim 1, wherein: and a plurality of grooves and holes are respectively arranged on the connecting plate of the end surface of the swing angle milling head and the connecting plate of the WR50 rotary table, so that the overall structure quality is reduced.
3. The device for assisting in positioning the center of rotation of the B-axis of an oscillating milling head according to claim 1, wherein: a position fastening bolt (11) is designed on the horizontal sliding base and is used for locking the horizontal sliding base and a WR50 rotary table fixing plate after the rotation center is adjusted.
4. The device for assisting in positioning the center of rotation of the B-axis of an oscillating milling head according to claim 1, wherein: the WR50 rotary table (12) is fixed on the WR50 rotary table fixed disc (13) in a bolt connection mode, and an angle reflector (14) at the rear end of the WR50 rotary table can reflect laser emitted by the laser emitter back to an SJ6000 laser head.
5. The device for assisting in positioning the center of rotation of the B-axis of an oscillating milling head according to claim 1, wherein: the rotation center positioning process of the swing angle milling head comprises seven steps:
s1, connecting the main body fixing support with the end face of the swing angle milling head;
s2, manually resetting the vertical position adjusting mechanism and the horizontal position adjusting mechanism;
s3, adjusting the level, adjusting the bolt by plumb bob to a specific scale value;
s4, detecting the circular ring contour of the WR50 turntable fixing disc by using a dial indicator;
s5, adjusting the level and the plumb adjusting bolt again according to the measuring result;
s6, repeating the steps S4-S5 until the change of the dial indicator value is within the acceptance range;
and S7, fastening bolts at the locking positions, and mounting a WR50 turntable to a WR50 turntable fixing plate.
6. The device for assisting in positioning the B-axis rotation center of the swing angle milling head according to claim 5, wherein: the step S1 specifically includes: the four positioning blocks are sequentially connected with a connecting plate of the end face of the swing angle milling head, then sequentially connected with the end face of the swing angle milling head, and finally sequentially screwed up according to the sequence of diagonal intersection.
7. The device for assisting in positioning the B-axis rotation center of the swing angle milling head according to claim 5, wherein: the step S4 specifically includes: equally dividing the ring of the WR50 turntable fixed disk into 8 parts, sequentially measuring the numerical values of a dial indicator at 45 degrees, 90 degrees and 135 degrees, and swinging the B axis of the milling head at-45 degrees, 0 degree and 45 degrees corresponding to the swing angle; the rotation center is preliminarily positioned by measuring three points, the B axis of the swing angle milling head is adjusted to-45 degrees, and the change value of the dial indicator when the B axis rotates from-45 degrees to 45 degrees is observed.
CN202110235524.9A 2021-03-03 2021-03-03 Device for assisting in positioning of B-axis rotation center of swing angle milling head Active CN112917191B (en)

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CN115431104A (en) * 2022-08-23 2022-12-06 成都飞机工业(集团)有限责任公司 Auxiliary fixture and detection method for detecting swing angle positioning accuracy of AB double-swing-angle milling head

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JP2014081299A (en) * 2012-10-17 2014-05-08 Toshiba Mach Co Ltd Ultra precise shape measurement device
CN104476325A (en) * 2014-12-18 2015-04-01 济南二机床集团有限公司 Double-tilt-angle universal milling head rotating shaft locating precision measuring device
CN108608216A (en) * 2018-05-07 2018-10-02 南通大学 A kind of gate bridge miller column mounting and adjusting structure and its method of adjustment
CN108981614A (en) * 2018-06-06 2018-12-11 大连理工大学 A kind of device and method measuring spindle rotation error with Circular gratings and autocollimator
CN109352423A (en) * 2018-09-29 2019-02-19 西安飞机工业(集团)有限责任公司 Numerically-controlled machine tool AB pivot angle accuracy detection tooling and detection method
CN110936227A (en) * 2019-12-20 2020-03-31 北京工业大学 Special static characteristic detection device and measurement method for numerical control swing angle milling head

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202701795U (en) * 2012-07-31 2013-01-30 亿达日平机床有限公司 Rotation precision auxiliary adjusting device for multi-station fixture and horizontal turntable
JP2014081299A (en) * 2012-10-17 2014-05-08 Toshiba Mach Co Ltd Ultra precise shape measurement device
CN104476325A (en) * 2014-12-18 2015-04-01 济南二机床集团有限公司 Double-tilt-angle universal milling head rotating shaft locating precision measuring device
CN108608216A (en) * 2018-05-07 2018-10-02 南通大学 A kind of gate bridge miller column mounting and adjusting structure and its method of adjustment
CN108981614A (en) * 2018-06-06 2018-12-11 大连理工大学 A kind of device and method measuring spindle rotation error with Circular gratings and autocollimator
CN109352423A (en) * 2018-09-29 2019-02-19 西安飞机工业(集团)有限责任公司 Numerically-controlled machine tool AB pivot angle accuracy detection tooling and detection method
CN110936227A (en) * 2019-12-20 2020-03-31 北京工业大学 Special static characteristic detection device and measurement method for numerical control swing angle milling head

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