CN212363103U - Calibration device for laser displacement sensor - Google Patents
Calibration device for laser displacement sensor Download PDFInfo
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- CN212363103U CN212363103U CN202021351354.8U CN202021351354U CN212363103U CN 212363103 U CN212363103 U CN 212363103U CN 202021351354 U CN202021351354 U CN 202021351354U CN 212363103 U CN212363103 U CN 212363103U
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- micrometer
- calibration
- displacement sensor
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Abstract
The utility model provides a calibrating device for laser displacement sensor, it can conveniently realize the calibration laser parameter, it includes laser calibration board, ten thousand minutes table is adorned on the fixed plate, laser calibration board, connect through the erection joint piece between the fixed plate, the micrometer mounting panel is equipped with on the laser calibration board, the micrometer is equipped with on the micrometer mounting panel, the sleeve pipe on the micrometer, the screw rod runs through the micrometer mounting panel in unison, the screw rod passes through compression spring and balancing weight connection, the laser calibration board is equipped with the slip subassembly, the slip subassembly includes the slide rail, slide board is equipped with the slide through the slider on the slide rail, the slide board is connected with the screw rod through the follower block, open logical groove on the laser calibration board below the slide board, the upper portion of the side slide that is the type of falling T passes through the logical groove after being connected with the slide bottom surface, the length of logical groove is greater than the length on, optical glass is arranged on the bottom surface of the lower part of the side sliding block, and a measuring pin on the micrometer passes through the fixing plate and then is contacted with the end part of the optical glass.
Description
Technical Field
The utility model relates to a laser calibration technical field specifically is a calibrating device for laser displacement sensor.
Background
The laser displacement sensor is often used for measuring the structural stability of a product (such as a touch pad of a computer) under a simulation working condition, but the requirement on the measurement precision is high and reaches up to 0.001mm, so that the parameter setting and calibration of the laser displacement sensor are needed, so that accurate data can be obtained, but when the laser displacement sensor is calibrated, all parameters of the laser displacement sensor are generally adjusted only by experience, and whether the laser displacement sensor is adjusted to a stable use state or not can not be defined, and the adjustment is difficult.
Disclosure of Invention
For solving the above-mentioned problem that prior art exists, the utility model provides a calibrating device for laser displacement sensor, it can conveniently realize calibration laser parameter.
Its technical scheme is such for laser displacement sensor's calibrating device places after being used for detecting the position of surveyed the product on special tool, and makes calibrating device's calibration side sets up its characterized in that with laser displacement sensor relatively: the calibration device comprises a laser calibration plate and a micrometer gauge, the micrometer gauge is arranged on a fixed plate, the laser calibration plate and the fixed plate are connected through a mounting connecting block, a micrometer head mounting plate is arranged on the laser calibration plate, a micrometer is arranged on the micrometer head mounting plate, a sleeve on the micrometer gauge and a screw rod connected with the sleeve penetrate through the micrometer head mounting plate, the end part of the screw rod is connected with a balancing weight arranged on the laser calibration plate through a compression spring, a sliding assembly is arranged on the laser calibration plate and comprises a sliding rail, the sliding rail is provided with a sliding plate through a sliding block, the sliding plate is connected with the screw rod through a follow-up block, a through groove is arranged on the laser calibration plate below the sliding plate, and the upper part of a side sliding block in an inverted T shape penetrates through the through groove and then is connected with the bottom surface of the sliding plate, the length of the through groove is larger than that of the upper portion of the side sliding block and smaller than that of the lower portion of the side sliding block, optical glass is installed on the bottom face of the lower portion of the side sliding block, and a measuring needle on the ten-thousandth micrometer penetrates through the fixing plate and then is in contact with the end portion of the optical glass.
It is further characterized in that:
a counterweight mounting plate is fixed on the laser calibration plate, the counterweight block is connected with the counterweight mounting plate, the screw rod and the compression spring on the screw rod penetrate through the counterweight mounting plate together, and the compression spring is connected with the counterweight block;
two micrometers are arranged and symmetrically arranged at two ends of the dividing head mounting plate;
the two groups of sliding assemblies are symmetrically arranged at two ends of the laser calibration plate, the sliding plates at the two ends are connected with the screw rods at the corresponding sides of the sliding plates through the follow-up blocks, and the laser calibration plates at the two ends of the sliding rail are provided with sliding rail limiting blocks;
the number of the ten-thousandth gauges is two, the ten-thousandth gauges are symmetrically arranged at two ends of the fixing plate, a concave part is arranged in the middle of the fixing plate, one end of the mounting connecting block is fixed at the position of the concave part, and the other end of the mounting connecting block is fixed on the laser calibration plate;
corresponding grooves are formed in the lower portion of the side sliding block and two ends of the laser calibration plate corresponding to the side sliding block, and the measuring needle penetrates through the fixing plate and then is in contact with the optical glass through the grooves;
the bottom surface of the lower part of the side sliding block is provided with an assembly groove, and the optical glass is arranged in the assembly groove.
The beneficial effects of the utility model are that, a calibrating device for laser displacement sensor places after being used for detecting the position of being surveyed the product on special tool, and make its calibration side set up with laser displacement sensor relatively, subsequently through the knob of adjusting the micrometer, the precision digit number of reading until ten-thousandth table and laser displacement sensor is the same and stable, show promptly and found a more accurate service parameter, thereby laser displacement sensor's laser parameter calibration has been realized, adjustment convenient and fast, better economic use value has.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the top view structure of the assembly of the present invention and the special fixture;
fig. 3 is a schematic exploded view of the present invention;
FIG. 4 is a schematic perspective view of the middle slider of the present invention;
fig. 5 is a schematic structural diagram of the middle slider of the present invention.
Detailed Description
As shown in fig. 1-5, the calibration device for laser displacement sensor of the present invention is placed on the special fixture 1 for detecting the position of the product to be tested, and the calibration side of the calibration device (which is the side close to the counterweight 12) is arranged opposite to the laser displacement sensor 2, the special fixture 1 can be arranged according to the requirement of the manufacturer for detecting the product to be tested, the calibration device in the present patent only needs to be placed on the special fixture 1 for detecting the position of the product to be tested, and no specific requirement is needed for the special fixture 1; the calibration device comprises a laser calibration plate 3 and a micrometer gauge 4, namely the laser calibration plate 3 is placed on a special jig 1 and used for detecting the position of a detected product, the micrometer gauge 4 is arranged on a fixed plate 5, the laser calibration plate 3 and the fixed plate 5 are connected through an installation connecting block 6, a micrometer head mounting plate 7 is arranged on the laser calibration plate 3, a micrometer 8 is arranged on the micrometer head mounting plate 7, a sleeve 9 on the micrometer 8 and a screw 10 connected with the sleeve 9 penetrate through the micrometer head mounting plate 7 together, the end part of the screw 10 is connected with a balancing weight 12 arranged on the laser calibration plate 3 through a compression spring 11, a sliding assembly is arranged on the laser calibration plate 3 and comprises a sliding rail 13, a sliding plate 15 is arranged on the sliding rail 13 through a sliding block 14, the sliding plate 15 is connected with the screw 10 through a follower block 16, a through groove 17 is arranged on the laser calibration plate 3 positioned below the sliding plate 15, the upper part of an inverted T-shaped side sliding block 18 penetrates through the through, the length of the through groove 17 is greater than the length of the upper part of the side sliding block 18 and less than the length of the lower part of the side sliding block 18, the bottom surface of the lower part of the side sliding block 18 is provided with the optical glass 19, the sliding plate 15, the side sliding block 18 and the optical glass 19 can be driven to slide together by rotating the knob 20 on the micrometer 8, and the measuring needle 21 on the micrometer 4 penetrates through the fixing plate 5 and then contacts with the end part of the optical glass 19; the optical glass 19 can simulate the actual working conditions (position, material, surface roughness and the like) of the tested product.
A counterweight mounting plate 22 is fixed on the laser calibration plate 3, the counterweight block 12 is connected with the counterweight mounting plate 22, the screw 10 and the compression spring 11 thereon penetrate through the counterweight mounting plate 22, and the compression spring 11 is connected with the counterweight block 12; two micrometers 8 are arranged and symmetrically arranged at two ends of the micrometer head mounting plate 7; the two groups of sliding assemblies are symmetrically arranged at two ends of the laser calibration plate 3, the sliding plates 15 at two ends are connected with the screw rods 10 at corresponding sides through the follow-up blocks 16, and the laser calibration plates 3 at two ends of the sliding rail 13 are provided with sliding rail limiting blocks 23; the ten-thousandth meter 4 is provided with two parts which are symmetrically arranged at two ends of the fixing plate 5, a concave part 24 is arranged in the middle of the fixing plate 5, one end of the mounting connecting block 6 is fixed at the position of the concave part 24, and the other end of the mounting connecting block is fixed on the laser calibration plate 3; corresponding grooves 25 are formed in the lower portion of the side sliding block 18 and two ends of the laser calibration plate 3 corresponding to the side sliding block, and the measuring needle 21 penetrates through the fixing plate 5 and then contacts the optical glass 19 through the grooves 25 in the lower portion of the side sliding block 18; the bottom surface of the lower part of the side slider 18 is provided with an assembling groove 26, and the optical glass 19 is arranged in the assembling groove 26.
The utility model discloses a calibrating device is the simulation and is surveyed the detection position of product, and generally surveyed the product and place on a special tool 1, and this calibrating device is when carrying out the calibration, also simulates the state of putting of being surveyed the product, therefore calibrating device directly places the actual operating position who is surveyed the product in the detection, calibrates laser displacement sensor 2 through ten thousand minutes table 4 to find a more accurate service parameter, convenient adjustment and can standardize the flow.
The calibration method specifically comprises the following steps:
(1) placing the calibration device on the special jig 1 for detecting the product to be detected, and opening the laser displacement sensor 2 and the ten-thousandth meter 4;
(2) after the readings of the myriameter 4 and the laser displacement sensor 2 are set to appropriate values by adjusting a knob 20 of the micrometer 8, the myriameter 4 and the laser displacement sensor 2 are simultaneously set to zero, and then parameters of the laser displacement sensor 2 are set;
(3) repeating the step (2) until the accuracy digit of the readings of the ten-thousandth meter 4 and the laser displacement sensor 2 is the same and stable;
(4) adjusting a knob 20 of the micrometer 8, and comparing whether the precision digit numbers of the readings of the myriameter 4 and the laser displacement sensor 2 are the same and stable or not after the middle value of the range of the set measuring distance is reached;
(5) adjusting a knob 20 of the micrometer 8, and comparing whether the precision digit numbers of the readings of the myriameter 4 and the laser displacement sensor 2 are the same and stable or not after the maximum value of the range of the set measuring distance is reached;
(6) and if the accuracy digit numbers of the readings of the ten-thousandth meter 4 and the laser displacement sensor 2 are the same and stable, finishing the calibration, otherwise, repeating the steps (2) to (5).
The definition that the precision digits of the readings of the decimeter 4 and the laser displacement sensor 2 are the same and stable is that the readings of the two are kept unchanged after a small point, the readings of the two are the same, and the precision reaches 0.001 mm.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A calibrating device for laser displacement sensor places after the position that is used for detecting the product of being surveyed on special tool, and makes calibrating device's calibration side sets up its characterized in that with laser displacement sensor relatively: the calibration device comprises a laser calibration plate and a micrometer gauge, the micrometer gauge is arranged on a fixed plate, the laser calibration plate and the fixed plate are connected through a mounting connecting block, a micrometer head mounting plate is arranged on the laser calibration plate, a micrometer is arranged on the micrometer head mounting plate, a sleeve on the micrometer gauge and a screw rod connected with the sleeve penetrate through the micrometer head mounting plate, the end part of the screw rod is connected with a balancing weight arranged on the laser calibration plate through a compression spring, a sliding assembly is arranged on the laser calibration plate and comprises a sliding rail, the sliding rail is provided with a sliding plate through a sliding block, the sliding plate is connected with the screw rod through a follow-up block, a through groove is arranged on the laser calibration plate below the sliding plate, and the upper part of a side sliding block in an inverted T shape penetrates through the through groove and then is connected with the bottom surface of the sliding plate, the length of the through groove is larger than that of the upper portion of the side sliding block and smaller than that of the lower portion of the side sliding block, optical glass is installed on the bottom face of the lower portion of the side sliding block, and a measuring needle on the ten-thousandth micrometer penetrates through the fixing plate and then is in contact with the end portion of the optical glass.
2. The calibration device for a laser displacement sensor according to claim 1, wherein: the laser calibration plate is fixed with a counterweight mounting plate, the counterweight block is connected with the counterweight mounting plate, the screw rod and the compression spring on the screw rod run through the counterweight mounting plate together, and the compression spring is connected with the counterweight block.
3. The calibration device for a laser displacement sensor according to claim 1, wherein: the micrometer is provided with two, and the symmetry install in divide first mounting panel both ends.
4. The calibration device for a laser displacement sensor according to claim 1, wherein: the sliding assemblies are arranged in two groups and symmetrically arranged at two ends of the laser calibration plate, the sliding plates at the two ends are connected with the screw rods on the corresponding sides of the follow-up blocks, and the sliding rail limiting blocks are arranged on the laser calibration plate at two ends of the sliding rail.
5. The calibration device for a laser displacement sensor according to claim 1, wherein: the laser calibration device is characterized in that the number of the ten-thousandth gauges is two, the ten-thousandth gauges are symmetrically arranged at two ends of the fixing plate, a concave part is arranged in the middle of the fixing plate, one end of the mounting connecting block is fixed at the position of the concave part, and the other end of the mounting connecting block is fixed on the laser calibration plate.
6. The calibration device for a laser displacement sensor according to claim 1, wherein: corresponding grooves are formed in the lower portion of the side sliding block and the two ends of the laser calibration plate corresponding to the side sliding block, and the measuring needle penetrates through the fixing plate and then is in contact with the optical glass through the grooves.
7. The calibration device for a laser displacement sensor according to claim 1, wherein: the bottom surface of the lower part of the side sliding block is provided with an assembly groove, and the optical glass is arranged in the assembly groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021351354.8U CN212363103U (en) | 2020-07-10 | 2020-07-10 | Calibration device for laser displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021351354.8U CN212363103U (en) | 2020-07-10 | 2020-07-10 | Calibration device for laser displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212363103U true CN212363103U (en) | 2021-01-15 |
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ID=74130654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021351354.8U Active CN212363103U (en) | 2020-07-10 | 2020-07-10 | Calibration device for laser displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212363103U (en) |
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2020
- 2020-07-10 CN CN202021351354.8U patent/CN212363103U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: 215000 unit g1-305, artificial intelligence Industrial Park, 88 Jinjihu Avenue, Suzhou Industrial Park, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU WEIDAZHI ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 215000 room 307, floor 3, building 1, Zhihui Yunji Industrial Park, No. 99, Fengnan Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU WEILUODA ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 215024 Building D, No. 18, Baihe street, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou, Jiangsu Patentee after: Suzhou Weidazhi Technology Co.,Ltd. Address before: 215000 unit g1-305, artificial intelligence Industrial Park, 88 Jinjihu Avenue, Suzhou Industrial Park, Suzhou area, China (Jiangsu) pilot Free Trade Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU WEIDAZHI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |