CN107976161B - Measuring needle angle setting device and angle setting method thereof - Google Patents
Measuring needle angle setting device and angle setting method thereof Download PDFInfo
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- CN107976161B CN107976161B CN201711308712.XA CN201711308712A CN107976161B CN 107976161 B CN107976161 B CN 107976161B CN 201711308712 A CN201711308712 A CN 201711308712A CN 107976161 B CN107976161 B CN 107976161B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the technical field of machining detection, and particularly relates to a measuring needle angle setting device and a measuring needle angle setting method. The device has the advantages of simple structure, easy manufacture, simple method for setting the angle and high reliability. The situation that the special angle rod of the measuring needle must be specially manufactured for detecting the special size of the part is broken, and reliable guarantee is provided for shortening the trial production period of the product. The technical scheme of the invention comprises a base and an angle block; the middle of the longitudinal edge of the base is provided with a through groove, an angle block is arranged in the through groove and connected with the connecting pin through a screw bolt III, screws are respectively arranged on the outer sides of the base and the angle block, and the two screws are connected through rubber bands.
Description
Technical Field
The invention belongs to the technical field of machining detection, and particularly relates to a measuring needle angle setting device and a measuring needle angle setting method.
Background
The period of product design updating in the mechanical industries such as aviation, aerospace, automobiles and the like is continuously shortened, and the task of trial production of machined products is continuously increased. The detection task of some new products in the trial production process depends on a three-coordinate measuring machine more, and the three-coordinate measuring machine is widely used in the machining industry due to the characteristics of high measurement precision and wide adaptability. The detection of a specific position or profile of some products requires the configuration of a specific stylus angle to achieve accurate measurement, and the manufacture or purchase of a specific angle lever results in an increase in cycle time or cost.
Disclosure of Invention
The invention provides a measuring needle angle setting device and an angle setting method thereof, wherein the device has a simple structure, is easy to manufacture, and has a simple angle setting method and high reliability. The situation that the special angle rod of the measuring needle must be specially manufactured for detecting the special size of the part is broken, and reliable guarantee is provided for shortening the trial production period of the product.
In order to solve the problems existing in the prior art, the technical scheme of the invention is as follows: the utility model provides a measuring needle angle setting device which characterized in that: comprises a base and an angle block; the base is an L-shaped support, a through groove is formed in the middle of the longitudinal edge of the L-shaped support, two lugs are formed in the middle of the longitudinal edge of the L-shaped support, a first through hole and a second through hole are coaxially formed in the two lugs, a third through hole is vertically formed in the upper surface of the transverse edge of the L-shaped support, a first blind hole is vertically formed in the outer side face of the transverse edge, and the first blind hole is perpendicular to the three phases of the through holes; the angle block is an L-shaped block, an inclined plane is arranged on the outer side of the upper top of the longitudinal side of the L-shaped block, the longitudinal side of the L-shaped block is inserted into a through groove of the base, a through hole IV is formed in the position, opposite to the through hole I and the through hole II of the base, of the L-shaped block, the base and the angle block are connected through a connecting pin, a through hole V is vertically formed in the upper surface of the transverse side of the L-shaped block, and a blind hole II is vertically formed in the outer side surface of the transverse side of the L-shaped block; the third through hole and the first through hole are arranged in a staggered manner and are not coaxial, the third bolt is arranged in the first through hole and is propped against the base, the first blind hole and the second blind hole are respectively provided with the first bolt and the second bolt, and the first bolt and the second bolt are connected through the rubber band.
The thickness of the angle block is matched with the width of the through groove of the base to keep a sliding fit state.
The inclined plane of the angle block and the plane of the angle block form an included angle of 135 degrees.
The diameters of the first through hole, the second through hole and the fourth through hole are 6mm.
The first blind hole and the second blind hole are M4 threaded blind holes, and the first bolt and the second bolt are M4 bolts.
And the fifth through hole is an M6 threaded hole. And the third bolt is an M6 bolt.
The angle setting method of the measuring needle angle setting device is characterized by comprising the following steps of: the angle setting method comprises the following steps:
1) Setting of angle plane
Aligning the through holes of the base with the bolt holes of the three-coordinate marble platform and connecting the through holes by bolts, aligning the base and screwing the base; according to the required angle value, adjusting the included angle between the angle block and the base through a bolt III, and using an electronic angle ruler to measure whether the adjusted included angle is accurate or not, if so, entering the next step, and if not, readjusting the bolt III until the included angle is correct;
2) Stylus angle setting
One end of the measuring needle is connected to the extension rod of the LSP-S2 measuring seat through the joint arm, so that a side rod of the measuring needle is attached to a setting surface of the angle block, the side rod of the measuring needle is vertical to the connecting pin, and then a locking nut of the joint arm is screwed to fix the angle formed by the measuring needle and the extension rod of the LSP-S2 measuring seat, so that the required angle can be set.
Compared with the prior art, the invention has the following advantages:
the device has simple structure and is easy to manufacture;
the angle setting method is characterized in that the angle setting block is jacked by the bolts, so that the setting efficiency is high, the precision is high, and the operation is convenient;
the method is simple and has high reliability.
Drawings
FIG. 1 is a schematic view of a stylus angle setting
FIG. 2 is a schematic view of an angle setting block
FIG. 3 is a schematic view of a bolt connection
FIG. 4 is a schematic view of the base structure
FIG. 5 schematic view of self-angle adjustment of an angle block
FIG. 6 schematic view of the angular adjustment of the (2 c) face of the angular block
FIG. 7 schematic view of the angular adjustment of the (2 d) face of the angular block
Fig. 8 is a schematic view of the angle adjustment of the face (2 e).
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment provides a measuring needle angle setting device (see fig. 1-5), which comprises a base 1 and an angle block 2; the base 1 is an L-shaped support, a through groove is formed in the middle of the longitudinal edge of the L-shaped support, two lugs are formed by the through groove, a first through hole 1a and a second through hole 1b are coaxially formed in the two lugs, a third through hole 1c is vertically formed in the upper surface of the transverse edge of the L-shaped support, a first blind hole 1d is vertically formed in the outer side surface of the transverse edge, and the first blind hole 1d is vertical to the third through hole 1 c; the angle block 2 is an L-shaped block, an inclined plane 2d is arranged on the outer side of the upper top of the longitudinal side of the L-shaped block, the longitudinal side of the L-shaped block is inserted into a through groove of the base 1, a through hole four 2b is arranged on the L-shaped block at the position opposite to a through hole 1a and a through hole two 1b of the base 1, the base 1 and the angle block 2 are connected through a connecting pin 3 by the through hole 1a, a through hole five 2a is vertically arranged on the upper surface of the transverse side of the L-shaped block, and a blind hole two 2f is vertically arranged on the outer side of the transverse side; the three through holes 1c and the first through hole 2a are arranged in a staggered manner and are not coaxial, the third bolt 9 is arranged in the first through hole 2a, the third bolt 9 is propped against the base 1, the first blind hole 1d and the second blind hole 2f are respectively provided with the first bolt 6 and the second bolt 7, and the first bolt 6 and the second bolt 7 are connected through the rubber band 8 and are used for fixing the propped angle of the third bolt 9.
The thickness of the angle block 2 is matched with the width of the through groove of the base 1 to keep a sliding fit state.
The inclined plane 2d of the angle block 2 and the plane 2c of the angle block 2 form an included angle of 135 degrees.
The diameters of the first through hole 1a, the second through hole 1b and the fourth through hole 2b are 6mm.
The first blind hole 1d and the second blind hole 2f are M4 threaded blind holes, and the first bolt 6 and the second bolt 7 are M4 bolts.
And the through hole five 2a is an M6 threaded hole. Bolt three 9 is the M6 bolt.
The angle setting method of the measuring needle angle setting device comprises the following steps:
aligning the through hole 1c of the base with the bolt hole of the three-coordinate marble platform and connecting the through hole with the bolt, aligning the base 1 and screwing the through hole to be fixed well; according to the required angle value, adjusting the included angle between the angle block 2 and the base 1 through the bolt III 9, and using an electronic angle ruler to measure whether the adjusted included angle is accurate or not, if so, entering the next step, and if not, readjusting the bolt III 9 until the included angle is correct;
2 needle angle setting
One end of the measuring needle 4 is connected to an extension rod of the LSP-S2 measuring seat through the joint arm 5, so that a side rod of the measuring needle 4 is attached to a setting surface (the setting surface is a 2c surface, a 2d surface and a 2e surface) of the angle block 2, the side rod of the measuring needle 4 is vertical to the connecting pin 3, and then a locking nut of the joint arm 5 is screwed to fix an angle formed by the measuring needle 4 and the extension rod of the LSP-S2 measuring seat, so that a required angle can be set.
In order to ensure the stability of the setting of the angle surface, the adjustment range of the included angle between the base 1 and the angle block 2 is-15 degrees to 30 degrees.
The invention enables the measuring needle to adopt the joint arm to realize the setting of various measuring needle angles. Therefore, the setting of the angle of the measuring needle in the three-coordinate detection of the trial product can be realized without specially manufacturing or purchasing a measuring rod with a specific angle.
Embodiment one:
the included angle ranging from-15 degrees to +30 degrees is set by using the 2c surface of the angle block 2 as shown in figure 6, and the included angle between the measuring needle and the horizontal line is set to be +25 degrees.
1 Angle plane setting
Aligning the through hole 1c of the base with the bolt hole of the three-coordinate marble platform and connecting the through hole with the bolt, aligning the base 1 and screwing the through hole to be fixed well; and (3) tightly attaching the reference surface of the electronic angle meter to the 2c surface of the angle block 2, and twisting the three bolts 9 to adjust the included angle between the angle block 2 and the base 1, wherein when the electronic angle meter is displayed to be +25°, the setting of the angle surface is completed.
2 needle angle setting
One end of the measuring needle 4 is connected to an extension rod of the LSP-S2 measuring seat through the joint arm 5, so that the measuring rod of the measuring needle 4 is attached to the 2c surface of the angle block 2, the measuring rod of the measuring needle 4 is vertical to the connecting pin 3, then a locking nut of the joint arm 5 is screwed to fix the angle formed by the measuring needle 4 and the extension rod of the LSP-S2 measuring seat, and the angle between the measuring needle and the horizontal line is set to be +25 degrees.
Embodiment two:
the included angle ranging from +30 degrees to +70 degrees is set by using the 2d surface of the angle block 2 as shown in figure 7, and the included angle between the measuring needle and the horizontal line is set to be +55 degrees.
1 Angle plane setting
Aligning the through hole 1c of the base with the bolt hole of the three-coordinate marble platform and connecting the through hole with the bolt, aligning the base 1 and screwing the through hole to be fixed well; and (3) tightly attaching the reference surface of the electronic angle meter to the 2d surface of the angle block 2, twisting the three bolts 9 to adjust the included angle between the angle block 2 and the base 1, and stopping when the electronic angle meter is displayed as +55°, so that the angle surface setting is completed.
2 needle angle setting
One end of the measuring needle 4 is connected to an extension rod of the LSP-S2 measuring seat through the joint arm 5, so that the measuring rod of the measuring needle 4 is attached to the 2d surface of the angle block 2, the measuring rod of the measuring needle 4 is vertical to the connecting pin 3, then a locking nut of the joint arm 5 is screwed to fix the angle formed by the measuring needle 4 and the extension rod of the LSP-S2 measuring seat, and the angle between the measuring needle and the horizontal line is set to be +55 degrees.
Embodiment III:
the included angle ranging from +75 degrees to +120 degrees is set by using the 2e surface of the angle block 2 as shown in figure 8, and the included angle between the measuring needle and the horizontal line is set to be +80 degrees.
1 Angle plane setting
Aligning the through hole 1c of the base with the bolt hole of the three-coordinate marble platform and connecting the through hole with the bolt, aligning the base 1 and screwing the through hole to be fixed well; and (3) tightly attaching the reference surface of the electronic angle meter to the 2e surface of the angle block 2, and twisting the three bolts 9 to adjust the included angle between the angle block 2 and the base 1, wherein when the electronic angle meter is displayed as +80°, the setting of the angle surface is completed.
2 needle angle setting
One end of the measuring needle 4 is connected to an extension rod of the LSP-S2 measuring seat through the joint arm 5, so that the measuring rod of the measuring needle 4 is attached to the 2e surface of the angle block 2, the measuring rod of the measuring needle 4 is vertical to the connecting pin 3, then a locking nut of the joint arm 5 is screwed to fix the angle formed by the measuring needle 4 and the extension rod of the LSP-S2 measuring seat, and the angle between the measuring needle and the horizontal line is set to be +80 degrees.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, and all changes that may be made in the equivalent structures described in the specification and drawings of the present invention are intended to be included in the scope of the invention.
Claims (7)
1. The utility model provides a measuring needle angle setting device which characterized in that: comprises a base (1) and an angle block (2); the base (1) is an L-shaped support, a through groove is formed in the middle of the longitudinal edge of the L-shaped support, two lugs are formed in the middle of the longitudinal edge of the L-shaped support, a first through hole (1 a) and a second through hole (1 b) are coaxially formed in the two lugs, a third through hole (1 c) is vertically formed in the upper surface of the transverse edge of the L-shaped support, a first blind hole (1 d) is vertically formed in the outer side surface of the transverse edge, and the first blind hole (1 d) is perpendicular to the third through hole (1 c); the angle block (2) is an L-shaped block, an inclined plane (2 d) is arranged on the outer side of the upper top of the longitudinal side of the L-shaped block, the longitudinal side of the L-shaped block is inserted into a through groove of the base (1), a through hole IV (2 b) is arranged at the position, opposite to a through hole I (1 a) and a through hole II (1 b) of the base (1), of the L-shaped block, the base (1) and the angle block (2) are connected through a connecting pin (3), a through hole V (2 a) is vertically arranged on the upper surface of the transverse side of the L-shaped block, and a blind hole II (2 f) is vertically arranged on the outer side of the transverse side; the three through holes (1 c) and the first through hole (1 a) are arranged in a staggered manner, the three through holes (1 a) are internally provided with the three bolts (9), the three bolts (9) are propped against the base (1), the first blind holes (1 d) and the second blind holes (2 f) are respectively provided with the first bolts (6) and the second bolts (7), and the first bolts (6) and the second bolts (7) are connected through rubber bands (8).
2. The stylus angle setting apparatus according to claim 1, wherein: the thickness of the angle block (2) is matched with the width of the through groove of the base (1) to keep a sliding fit state.
3. A stylus angle setting apparatus according to claim 1 or 2, wherein: the included angle between the inclined plane (2 d) of the angle block (2) and the plane (2 c) of the angle block (2) is 135 degrees.
4. A stylus angle setting apparatus according to claim 3, wherein: the diameters of the first through hole (1 a), the second through hole (1 b) and the fourth through hole (2 b) are 6mm.
5. The stylus angle setting apparatus according to claim 4, wherein: the first blind hole (1 d) and the second blind hole (2 f) are M4 threaded blind holes, and the first bolt (6) and the second bolt (7) are M4 bolts.
6. The stylus angle setting apparatus according to claim 5, wherein: the through hole five (2 a) is an M6 threaded hole, and the bolt three (9) is an M6 bolt.
7. The angle setting method of a stylus angle setting apparatus according to claim 1, wherein: the angle setting method comprises the following steps:
1) Setting of angle plane
Aligning the through hole III (1 c) of the base with the bolt hole of the three-coordinate marble platform and connecting the through bolts, straightening the base (1) and screwing and fixing the base; according to the required angle value, adjusting the included angle between the angle block (2) and the base (1) through a third bolt (9), and using an electronic angle ruler to measure whether the adjusted included angle is accurate or not, if so, entering the next step, and if not, readjusting the third bolt (9) until the included angle is correct;
2) Stylus angle setting
One end of the measuring needle (4) is connected to an extension rod of the LSP-S2 measuring seat through the joint arm (5), so that a side rod of the measuring needle (4) is attached to a setting surface of the angle block (2), the side rod of the measuring needle (4) is perpendicular to the connecting pin (3), and then a locking nut of the joint arm (5) is screwed down to fix an angle formed by the measuring needle (4) and the extension rod of the LSP-S2 measuring seat, so that a required angle can be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308712.XA CN107976161B (en) | 2017-12-11 | 2017-12-11 | Measuring needle angle setting device and angle setting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711308712.XA CN107976161B (en) | 2017-12-11 | 2017-12-11 | Measuring needle angle setting device and angle setting method thereof |
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| Publication Number | Publication Date |
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| CN107976161A CN107976161A (en) | 2018-05-01 |
| CN107976161B true CN107976161B (en) | 2023-10-10 |
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| CN103278119A (en) * | 2013-06-18 | 2013-09-04 | 孟庆周 | Contact type measuring head structure with measuring pin automatically adjusted |
| CN103630096A (en) * | 2013-11-08 | 2014-03-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Zero position calibration method for articulated arm type coordinate measuring machine |
| CN205192393U (en) * | 2015-11-17 | 2016-04-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Switching joint of adjustable three -dimensional probe angle |
| CN205280009U (en) * | 2015-11-19 | 2016-06-01 | 沈阳黎明航空发动机(集团)有限责任公司 | High accuracy detection system indexing means |
| CN106441183A (en) * | 2016-11-18 | 2017-02-22 | 九江如洋精密科技有限公司 | Portable probe measuring machine |
| CN207991486U (en) * | 2017-12-11 | 2018-10-19 | 西安西航集团莱特航空制造技术有限公司 | A kind of stylus angle setting device |
-
2017
- 2017-12-11 CN CN201711308712.XA patent/CN107976161B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3740070A1 (en) * | 1987-11-26 | 1989-06-08 | Zeiss Carl Fa | TURN SLEWING DEVICE FOR TEST COOKING OF COORDINATE MEASURING DEVICES |
| JP2003057026A (en) * | 2001-08-08 | 2003-02-26 | Mitsutoyo Corp | Alignment adjusting apparatus for probe, measuring machine equipped therewith and alignment adjusting method for probe |
| CN102944163A (en) * | 2012-11-12 | 2013-02-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Device and method for measuring profile tolerance of annular dovetail groove of any axial section |
| CN103278119A (en) * | 2013-06-18 | 2013-09-04 | 孟庆周 | Contact type measuring head structure with measuring pin automatically adjusted |
| CN103630096A (en) * | 2013-11-08 | 2014-03-12 | 沈阳黎明航空发动机(集团)有限责任公司 | Zero position calibration method for articulated arm type coordinate measuring machine |
| CN205192393U (en) * | 2015-11-17 | 2016-04-27 | 沈阳黎明航空发动机(集团)有限责任公司 | Switching joint of adjustable three -dimensional probe angle |
| CN205280009U (en) * | 2015-11-19 | 2016-06-01 | 沈阳黎明航空发动机(集团)有限责任公司 | High accuracy detection system indexing means |
| CN106441183A (en) * | 2016-11-18 | 2017-02-22 | 九江如洋精密科技有限公司 | Portable probe measuring machine |
| CN207991486U (en) * | 2017-12-11 | 2018-10-19 | 西安西航集团莱特航空制造技术有限公司 | A kind of stylus angle setting device |
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