CN111409023A - Three-laser displacement sensor clamp convenient for angle adjustment - Google Patents
Three-laser displacement sensor clamp convenient for angle adjustment Download PDFInfo
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- CN111409023A CN111409023A CN202010188879.2A CN202010188879A CN111409023A CN 111409023 A CN111409023 A CN 111409023A CN 202010188879 A CN202010188879 A CN 202010188879A CN 111409023 A CN111409023 A CN 111409023A
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- angle adjusting
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- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a three-laser displacement sensor clamp convenient for angle adjustment, which comprises a regular triangular prism positioning piece, an L type fixing piece, an angle adjusting mechanism and a clamp flange plate, wherein the angle adjusting mechanism is arranged on a L type fixing piece and comprises an angle adjusting screw rod, an arc-shaped angle adjusting chute, an angle positioning groove, a spring, a sleeve, a scale mark and the like.
Description
Technical Field
The invention relates to a clamp, in particular to a three-laser displacement sensor clamp.
Background
For a large number of workpieces with large space size and complex surface shape, surface normal measurement is often required to be performed on the workpieces when the workpieces are subjected to surface processing, and currently, a measurement method based on a non-contact laser displacement sensor is widely applied, and a laser displacement sensor clamping measurement method with different angles is selected according to different application conditions. For example, in the drilling process of the surface of a workpiece, under the surfaces of workpieces with different hole diameter drilling requirements or different curvatures, the measuring point ranges around the drilling points to be measured are different, laser displacement sensors with different angles are required to be selected to measure the normal vector of the surface of the workpiece, so that the workpiece surface is more accurate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a three-laser displacement sensor clamp capable of being adjusted in angle conveniently.
The three-laser displacement sensor clamp convenient for angle adjustment comprises a regular triangular prism positioning piece, wherein a through hole is formed in the middle of the regular triangular prism positioning piece, and the through hole is used for penetrating through a machining cutter to enable the machining cutter to extend out of the through hole; the through hole takes a central connecting line of the upper bottom surface and the lower bottom surface of the regular triangular prism positioning piece as a central axis, three assembly thread blind holes are respectively formed in three rectangular side walls of the regular triangular prism positioning piece, the connecting line of the centers of the three assembly thread blind holes on each rectangular side wall forms an equilateral triangle, the centers of the equilateral triangles are positioned at the centers of two diagonal lines of the rectangular side walls, and the positions and the sizes of the assembly thread blind holes on the three rectangular side walls relative to the respective rectangular side walls are the same;
each rectangular side wall is respectively connected with an L-type fixing piece, a first straight angle plate of each L-type fixing piece is provided with mounting through holes which are arranged in one-to-one correspondence with the positions of the three assembling threaded blind holes on the rectangular side wall, and the assembling threaded blind holes and the mounting through holes are fixedly connected through assembling inner hexagon bolts penetrating through the assembling threaded blind holes and the mounting through holes;
an arc angle adjusting sliding groove is formed in one side of a second right-angle plate of each L type fixing piece, a plurality of arc angle adjusting positioning grooves are continuously formed in the positions of two arc side walls of the arc angle adjusting sliding grooves and on the rear wall of the second right-angle plate, which is away from one side of the assembly thread blind hole, respectively, the central axis of each arc angle adjusting positioning groove is located on the central arc line of the arc angle adjusting sliding groove, the depth of each arc angle adjusting positioning groove is half of the thickness of the second right-angle plate, the arc angle adjusting positioning grooves located on the two sides of the arc angle adjusting sliding groove are symmetrically arranged relative to the central arc line of the arc angle adjusting sliding groove, a sensor positioning hole is formed in the other side of the second right-angle plate of each L type fixing piece, and a laser displacement sensor is fixed on the second right-angle plate through a sensor positioning screw rod which penetrates through the laser displacement sensor and the sensor positioning hole in the direction parallel to the first right-angle plate and a nut which;
the angle adjusting mechanism comprises an angle adjusting screw rod, the angle adjusting screw rod penetrates through the laser displacement sensor and the arc angle adjusting chute, a spring is sleeved on a rod section on one side of the angle adjusting screw rod, which is in contact with the angle positioning groove, a check nut is connected to the end part of the angle adjusting screw rod on the side provided with the spring in a threaded manner, a sleeve is sleeved outside the spring, threads are formed in the outer wall of the sleeve, one end of the spring is fixedly connected with the inner wall of the sleeve, the other end, which is close to the check nut, is a movable end, and the angle adjusting screw rod can move along the arc angle adjusting chute and clamp the sleeve through the arc angle adjusting positioning groove to be fixed at the arc angle positioning groove at a set position;
the rear wall of the second right-angle plate is provided with scale marks, and the scale marks are all connecting lines of the center point of the sensor positioning hole on the outer wall of the second right-angle plate and the center point of each angle adjusting positioning groove on the outer wall of the second right-angle plate as scale marks;
three top surface assembly thread blind holes are formed in the top surface, in contact with the clamp flange, of the regular triangular prism positioning piece, the centers of the three top surface assembly thread blind holes form a top surface regular triangle, and the center of the top surface regular triangle is located on the axis of the through hole.
The method has the beneficial effects that: by uniformly arranging the three laser displacement sensors in the circumferential direction of the cutter, the measuring ranges of the laser displacement sensors arranged on the clamp can not interfere, the angle can be conveniently adjusted under different measuring angle requirements, and the complicated process of disassembling and assembling the sensors in the angle adjusting process is avoided.
Drawings
FIG. 1 is a schematic view of the assembly of a three-laser displacement sensor clamp for convenient angular adjustment of the present invention;
FIG. 2-1 is a schematic view of the arcuate angle adjustment runner and the arcuate angle adjustment positioning slot of the L-type fastener of the clip shown in FIG. 1;
FIG. 2-2 is a schematic view of the mounting through-holes and sensor positioning holes of the L-type fastener in the fixture of FIG. 1;
FIGS. 2-3 are schematic scale marks of an L-type fastener in the fixture shown in FIG. 1;
FIG. 3 is a schematic view of an angle adjustment mechanism in the fixture of FIG. 1;
fig. 4 is an assembly schematic diagram of a three-laser displacement sensor fixture of the present invention.
Detailed Description
The invention is further described by way of specific embodiments with reference to the accompanying drawings in which:
as shown in the attached drawings, the three-laser displacement sensor clamp convenient for angle adjustment comprises a regular triangular prism positioning piece 7, wherein a through hole 8 is formed in the middle of the regular triangular prism positioning piece 7, the through hole 8 is used for penetrating a machining tool to enable the machining tool to extend out of the through hole 8, the through hole 8 takes a central connecting line of the upper bottom surface and the lower bottom surface of the regular triangular prism positioning piece 7 as a central axis, three assembling threaded blind holes 18 are respectively formed in three rectangular side walls of the regular triangular prism positioning piece 7, connecting lines of the centers of the three assembling threaded blind holes 18 on each rectangular side wall form an equilateral triangle, the center of the equilateral triangle is located at the center of two diagonal lines of the rectangular side walls, the positions and the sizes of the assembling threaded blind holes 18 on the three rectangular side walls are the same relative to the respective rectangular side walls, and the blind holes are arranged in a regular triangle shape and used for limiting the freedom degree of L type fixing pieces 3, so that the L type fixing pieces 3.
An L-type fixing piece 3 is connected to each rectangular side wall, a mounting through hole 12 which is in one-to-one correspondence with the positions of the three mounting threaded blind holes 18 on the rectangular side wall is formed in the first straight corner plate of each L-type fixing piece 3, and the mounting threaded blind holes 18 and the mounting through holes 12 are fixedly connected through mounting hexagon socket head bolts 17 penetrating through the mounting threaded blind holes 18 and the mounting through holes 12.
An arc angle adjusting chute 10 is formed in one side of the second rectangular plate of each L type fixing member 3, a plurality of arc angle adjusting positioning grooves 11 are respectively and continuously formed in the rear wall of the second rectangular plate at the two arc side walls of the arc angle adjusting chute 10 and at the side away from the assembling threaded blind hole 18, the central axis of each arc angle adjusting positioning groove 11 is located on the central arc line of the arc angle adjusting chute 10, the depth of each arc angle adjusting positioning groove 11 is half of the thickness of the second rectangular plate, the arc angle adjusting positioning grooves 11 at the two sides of the arc angle adjusting chute 10 are symmetrically arranged about the central arc line of the arc angle adjusting chute 10, a sensor positioning hole 13 is formed in the other side of the second rectangular plate of each L type fixing member 3, and a laser displacement sensor 1 is fixed on the second rectangular plate by a sensor positioning screw 15 penetrating through the laser displacement sensor and the sensor positioning hole 13 in the direction parallel to the first rectangular plate and a nut screwed on the end of the sensor positioning screw 15 penetrating through the second rectangular plate.
When the angle is required to be adjusted, the sleeve is manually slid to enable the angle adjusting screw 16 to move on the angle adjusting chute 10 of the L type fixing piece 3, and when the required angle is reached, the sleeve is released, and the sensor is automatically locked under the pressure of the spring 5 to complete the angle adjustment.
And the back wall of the second right-angle plate is provided with scale marks 14, so that an operator can read the angle of the positioning groove conveniently and adjust the angle conveniently. The scale marks 14 are all connecting lines of the center point of the sensor positioning hole 13 on the outer wall of the second right-angle plate and the center point of each angle adjusting positioning groove 11 on the outer wall of the second right-angle plate, and are used as the scale marks 14.
The device can enable the laser displacement sensors to be uniformly and circumferentially arranged on the cutter, and can simultaneously clamp three laser displacement sensors. When the three sensor directions are set at the same angle and not 0 °, the three emitted laser rays 9 may converge at one point. All set at 0 deg. makes the three laser rays parallel to each other.
Regular triangular prism setting element 7 in this device is located the anchor clamps center, plays the positioning fixture effect, and it has three top surface assembly screw thread blind hole 23 to open on the top surface of regular triangular prism setting element 7 and anchor clamps ring flange 19 contact, three top surface assembly screw thread blind hole center constitute a top surface regular triangle, top surface regular triangle center be located the axis of through-hole 8. utilize hexagon socket head cap screw 21 to pass three flange assembly through-hole 22 on the anchor clamps ring flange 19 and the top surface assembly screw thread blind hole 23 on the regular triangular prism setting element 7 and fasten ring flange 19 and regular triangular prism setting element 7, can fix regular triangular prism setting element 7 on the anchor clamps ring flange, utilize fastening bolt to pass flange assembly through-hole 20 on the anchor clamps ring flange 19 and can install anchor clamps and sensor on the flange of robot end or executor, three L type mounting 3 cooperates with the three rectangle lateral wall of regular triangular prism respectively, make its circumference be 120 degrees and evenly arranged around the cutter an angle adjustment mechanism 2 on each L type 3 is used for convenient adjustment laser displacement sensor 1 angle.
The installation and use method of the device comprises the following steps:
the assembled clamp and the laser displacement sensor are fastened by penetrating a fastening bolt through a flange assembling through hole 20 on a clamp flange 19, the clamp and the sensor can be installed on a flange of a robot end or an actuator, a cutter extends out of the through hole 8, the axis of the cutter is overlapped with the axis of the through hole 8, namely the axis of the cutter is on the axis of the through hole, the laser displacement sensor is uniformly arranged at 120 degrees in the circumferential direction of the cutter at the moment, laser rays 9 can be projected on a workpiece to carry out non-contact measurement on the surface of the workpiece, then the arrangement angle of the sensor is selected according to actual demand conditions and actual measurement range parameters of the sensor, the sensor is not required to be disassembled again during angle adjustment, the angle adjusting screw 16 can drive the laser displacement sensor 1 to slide on the angle adjusting chute 10 only by clamping the sleeve 4 by fingers to pull a certain distance towards the direction of the locknut, an appropriate angle can be selected according to a scale line 14 on the back of an L type fixing piece, in the invention, the angle is increased by taking 5 degrees as a unit angle multiple, 10 angles from 0 degree can be adjusted, the fingers are loosened, the sleeve 4 enters a spring 5 degree to be firmly clamped and then the spring is clamped and the spring is firmly fixed in the positioning groove 11, and the locknut, and the pressure of.
Claims (1)
1. The utility model provides a three laser displacement sensor anchor clamps of convenient angular adjustment which characterized in that: the device comprises a regular triangular prism positioning piece (7), wherein a through hole (8) is formed in the middle of the regular triangular prism positioning piece and is used for penetrating through a machining cutter to enable the machining cutter to extend out of the through hole; the through hole takes a central connecting line of the upper bottom surface and the lower bottom surface of the regular triangular prism positioning piece as a central axis, three assembling thread blind holes (18) are respectively formed in three rectangular side walls of the regular triangular prism positioning piece, the connecting line of the centers of the three assembling thread blind holes in each rectangular side wall forms an equilateral triangle, the centers of the equilateral triangles are positioned at the centers of two diagonal lines of the rectangular side walls, and the positions and the sizes of the assembling thread blind holes in the three rectangular side walls relative to the respective rectangular side walls are the same;
each rectangular side wall is respectively connected with an L-type fixing piece (3), a first straight angle plate of each L-type fixing piece is provided with mounting through holes (12) which are arranged in one-to-one correspondence with the positions of three mounting threaded blind holes (18) on the rectangular side wall, and the mounting threaded blind holes and the mounting through holes are fixedly connected through mounting hexagon socket head bolts (17) penetrating through the mounting threaded blind holes and the mounting through holes;
an arc angle adjusting sliding groove (10) is formed in one side of a second right-angle plate of each L type fixing piece (3), a plurality of arc angle adjusting positioning grooves (11) are respectively and continuously formed in the positions of two arc side walls of the arc angle adjusting sliding grooves and on the rear wall of the second right-angle plate, which is far away from one side of the assembly thread blind hole, the central axis of each arc angle adjusting positioning groove is located on the central arc line of the arc angle adjusting sliding groove, the depth of each arc angle adjusting positioning groove is half of the thickness of the second right-angle plate, the arc angle adjusting positioning grooves located on the two sides of the arc angle adjusting sliding groove are symmetrically arranged relative to the central arc line of the arc angle adjusting sliding groove, a sensor positioning hole (13) is formed in the other side of the second right-angle plate of each L type fixing piece (3), and a laser displacement sensor (1) is fixed on the second right-angle plate through a sensor positioning screw (15) which penetrates through the laser displacement sensor positioning hole in the direction parallel to the first right-angle plate and a nut which is screwed on the;
the angle adjusting mechanism (2) comprises an angle adjusting screw rod (16), the angle adjusting screw rod penetrates through the laser displacement sensor (1) and the arc-shaped angle adjusting sliding groove, a spring (5) is sleeved on a rod section on one side of the angle adjusting screw rod, which is in contact with the angle positioning groove, a locknut (6) is connected to the end portion of the angle adjusting screw rod on one side of the spring in a threaded manner, a sleeve (4) is sleeved outside the spring, threads are formed in the outer wall of the sleeve, one end of the spring (5) is fixedly connected with the inner wall of the sleeve, the other end, which is close to the locknut, is a movable end, the angle adjusting screw rod can move along the arc-shaped angle adjusting sliding groove (10) and clamp the sleeve (4) through the arc-shaped angle adjusting positioning groove (11) to be fixed at the arc-;
the rear wall of the second right-angle plate is provided with scale marks (14), and the scale marks are all connecting lines of the center point of the sensor positioning hole (13) on the outer wall of the second right-angle plate and the center point of each angle adjusting positioning groove (11) on the outer wall of the second right-angle plate as scale marks;
it has three top surface assembly screw thread blind holes (23) to open on the top surface of regular triangular prism setting element (7) and anchor clamps ring flange (19) contact, three top surface assembly screw thread blind hole center constitute a top surface regular triangle, top surface regular triangle center be located the axis of through-hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188879.2A CN111409023B (en) | 2020-03-17 | 2020-03-17 | Three-laser displacement sensor clamp convenient for angle adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188879.2A CN111409023B (en) | 2020-03-17 | 2020-03-17 | Three-laser displacement sensor clamp convenient for angle adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111409023A true CN111409023A (en) | 2020-07-14 |
| CN111409023B CN111409023B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010188879.2A Expired - Fee Related CN111409023B (en) | 2020-03-17 | 2020-03-17 | Three-laser displacement sensor clamp convenient for angle adjustment |
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| CN (1) | CN111409023B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113170635A (en) * | 2021-04-26 | 2021-07-27 | 农业农村部南京农业机械化研究所 | Structure and seeder are adjusted in adaptation of seeder |
| CN113179711A (en) * | 2021-04-26 | 2021-07-30 | 农业农村部南京农业机械化研究所 | Positive pressure seeder is with ditching earthing device of pressing kind |
| CN113179714A (en) * | 2021-04-26 | 2021-07-30 | 农业农村部南京农业机械化研究所 | Airflow auxiliary type precision seeder |
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| CN110779909A (en) * | 2019-12-13 | 2020-02-11 | 平顶山学院 | Portable LIBS composition analyzer |
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| JP2002321008A (en) * | 2001-04-27 | 2002-11-05 | Totoku Electric Co Ltd | Wire drawing machine with die direction indicating function |
| CN104002051A (en) * | 2014-06-03 | 2014-08-27 | 湖南大学 | Vertical detection device and method for laser welding |
| CN104613897A (en) * | 2015-02-12 | 2015-05-13 | 哈尔滨理工大学 | Car outer cover part mold free-form surface self-adaption sampling device and measuring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113170635A (en) * | 2021-04-26 | 2021-07-27 | 农业农村部南京农业机械化研究所 | Structure and seeder are adjusted in adaptation of seeder |
| CN113179711A (en) * | 2021-04-26 | 2021-07-30 | 农业农村部南京农业机械化研究所 | Positive pressure seeder is with ditching earthing device of pressing kind |
| CN113179714A (en) * | 2021-04-26 | 2021-07-30 | 农业农村部南京农业机械化研究所 | Airflow auxiliary type precision seeder |
| CN113179711B (en) * | 2021-04-26 | 2022-08-12 | 农业农村部南京农业机械化研究所 | Positive pressure seeder is with ditching earthing device of pressing kind |
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| CN111409023B (en) | 2021-06-22 |
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Granted publication date: 20210622 |