CN221099658U - Workpiece clamping device for automatic three-dimensional optical measurement equipment - Google Patents
Workpiece clamping device for automatic three-dimensional optical measurement equipment Download PDFInfo
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- CN221099658U CN221099658U CN202323203496.6U CN202323203496U CN221099658U CN 221099658 U CN221099658 U CN 221099658U CN 202323203496 U CN202323203496 U CN 202323203496U CN 221099658 U CN221099658 U CN 221099658U
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- clamping device
- dimensional optical
- optical measurement
- workpiece clamping
- center frame
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- 238000005259 measurement Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 title claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a workpiece clamping device for automatic three-dimensional optical measurement equipment, which comprises a base and a clamping head, wherein the base comprises a bottom plate, and a center guide column which is in a non-rotary column shape is arranged on the bottom plate; the clamping head comprises a center frame, guide holes for the center guide posts to penetrate through in an adapting mode are formed in the center frame, a plurality of panels distributed in an annular array with equal intervals are arranged outside the center frame, transition forks are connected between the panels and the center frame, magnets for adsorbing workpieces are arranged on the panels, and locking screws with the ends propped against the center guide posts are connected to the center frame in a threaded mode; a reference column arranged on the bottom plate is arranged between two adjacent panels. The workpiece clamping device has the characteristics of quick clamping and accurate measurement result, and is perfect in overall function and high in practicability.
Description
Technical Field
The utility model relates to the technical field of optical measuring instruments, in particular to a workpiece clamping device for automatic three-dimensional optical measuring equipment.
Background
When the automatic three-dimensional optical measuring equipment is used for carrying out size scanning measurement on a small metal workpiece, a general three-jaw chuck and a magnetic V-shaped block are generally used or the workpiece is directly placed on a turntable of the measuring equipment for measurement, the clamping mode has the defects of unstable clamping and poor repeated positioning of the clamping, and a reference point is required to be stuck on the surface of a new workpiece before each measurement, so that the measuring efficiency and the scanning effect are affected. Therefore, when the small-sized metal workpieces are measured in a large batch, the clamping is convenient and stable, the measuring support for attaching the reference point on the surface of the workpiece is not required to be repeated, the efficiency of three-dimensional optical measurement can be greatly improved, and the accuracy of the measurement result is improved.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides a workpiece clamping device for automatic three-dimensional optical measuring equipment, which has the characteristics of quick clamping and accurate measuring result.
In order to solve the technical problems, the aim of the utility model is realized as follows: the utility model relates to a workpiece clamping device for automatic three-dimensional optical measurement equipment, which comprises a base and a clamping head, wherein the base comprises a bottom plate, and a center guide column which is in a non-rotary column shape is arranged on the bottom plate; the clamping head comprises a center frame, guide holes for the center guide posts to penetrate through in an adapting mode are formed in the center frame, a plurality of panels which are distributed in an annular array mode at equal intervals are arranged outside the center frame, transition forks are connected between the panels and the center frame, magnets for adsorbing workpieces are arranged on the panels, and locking screws with the ends propped against the center guide posts are connected to the center frame in a threaded mode.
The utility model is further provided with: a reference column arranged on the bottom plate is arranged between two adjacent panels.
The utility model is further provided with: the reference column is in a regular hexagonal prism shape.
The utility model is further provided with: the reference column is cut with a plurality of notch grooves which are distributed at intervals along the axial direction of the reference column and are distributed in an annular array around the axial direction of the reference column, and a mounting inclined plane which forms an included angle of 30 degrees with the vertical plane is formed in the notch grooves.
The utility model is further provided with: the bottom plate is provided with a clamping head supporting column with the top propped against the center frame.
The utility model is further provided with: the clamping head support columns are distributed in an annular array around the axis of the central guide column.
The utility model is further provided with: the panel is provided with two positioning pins which are arranged in bilateral symmetry, the positioning pins back to the central guide column extend in a straight line, and the positioning pins are close to the bottom of the panel.
The utility model is further provided with: and the bottom plate is provided with a mounting counter bore.
The utility model is further provided with: the magnet is a neodymium magnet.
The utility model is further provided with: the locking screw is a plum blossom hand-screwed type locking screw.
In summary, the utility model has the following beneficial effects:
1. The base part of the workpiece clamping device can be fixed on a measuring turntable of automatic three-dimensional optical measuring equipment for a long time, and the clamping head part can be quickly disassembled and installed to realize quick clamping measurement of different workpieces.
2. The workpiece clamping device can be used for simultaneously measuring four workpieces at most, clamping is rapid and convenient, and compared with a traditional clamping mode, workpiece clamping and measuring efficiency can be greatly improved.
3. The four designed reference columns and the reference points are stuck on the surfaces of the reference columns, so that the step of switching the workpiece and repeatedly sticking the reference points is omitted, and the workpiece clamping and measuring efficiency can be greatly improved. The stable clamping mode and the multi-angle reference column surface can enable the measuring equipment probe to have higher scanning quality and stability, and the stability of a measuring result is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a structure embodying the present utility model for a base;
Fig. 3 is a schematic view of the structure of the present utility model for embodying the chuck.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present utility model, and are not limiting the patent claims of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings and preferred embodiments.
Example 1
Referring to fig. 1 to 3, a workpiece clamping device for an automated three-dimensional optical measurement apparatus according to the present embodiment includes a base 100 and a clamping head 200, where the base 100 includes a bottom plate 101 provided with a mounting counterbore 106, and a center guide post 102 having a regular quadrangular prism shape is provided on the bottom plate 101; the clamping head 200 comprises a center frame 201, guide holes 202 for the center guide posts to penetrate through are formed in the center frame 201, four panels 203 distributed in an annular array mode at equal intervals are arranged outside the center frame 201, transition forks 204 are connected between the panels 203 and the center frame 201, three magnets 205 for adsorbing workpieces are arranged on the panels 203, the magnets 205 are neodymium magnets, locking screws 206 with ends propped against the center guide posts are connected to the center frame 201 in a threaded mode, and the locking screws 206 are quincuncial hand-screwed type locking screws.
Further, the bottom plate 101 is provided with a chuck support column 105 with the top propped against the center frame 201; the chuck support columns 105 are distributed in an annular array about the axis of the center guide column 102.
Further, two positioning pins 207 are symmetrically arranged on the panel 203, the positioning pins 207 extend away from the central guiding column 102 in a straight line, and the positioning pins 207 are close to the bottom of the panel 203.
In the measuring process, the measured workpiece is stably clamped on a measured area of the measuring equipment, namely a measuring turntable, so that the measured workpiece does not displace in the whole measuring process. The device can be installed on the measurement turntable through four M6 screws, and a workpiece is stably installed on the clamping device in a magnetic attraction mode. The workpiece clamping device mainly comprises a base 100 and a clamping head 200, wherein the base 100 is arranged on a measuring turntable through four M6 screws, the clamping head 200 is stably arranged on the base through a manual locking handle, four workpiece clamping stations are uniformly distributed around the center of the clamping head 100, and the device can be used for simultaneously clamping and measuring at most four workpieces.
Wherein, through setting up four installation counter bores 106 on bottom plate 100, the screw hole on the automatic three-dimensional optical measurement equipment revolving stage of adaptation, install on the revolving stage through four M6 screws.
Wherein the center guide post 102 is located at the center of the base, and the center frame 201 of the chuck 200 is rapidly installed at the center of the base 100 through the center guide post 102.
Four clamping head support columns 105 are uniformly distributed around the center guide column 102, and the clamping heads 200 are supported by four support columns after being installed along the center guide column 102, so that the vertical displacement of the clamping heads is limited, and a positioning effect is provided for the clamping heads.
Wherein, the panel 203 is designed according to the clamping surface of the workpiece to be tested, and neodymium magnets and positioning pins 207 are arranged on the panel for clamping and positioning the workpiece to be tested. Three neodymium magnets are designed at each clamping station, and the steel metal parts can be firmly clamped by strong magnetic attraction. The two locating pins of each clamping station limit the vertical up-down displacement of the workpiece during installation and are used for locating, so that the workpiece to be tested is at the same height position during each clamping.
After the clamping head 200 is installed along the central guide post 102 and supported by the clamping head support post 105, the clamping head 200 and the base 100 are manually locked by the locking screw 206, so that the relative displacement does not occur in the whole measuring process.
The whole clamping head can be partially matched with different workpieces to be tested by redesigning the modification panel 203, the magnet 205 and the positioning pin 207 according to different workpieces and measurement requirements, and a plurality of different clamping heads are designed and manufactured for quick switching.
Example 2
Referring to fig. 1 to 3, a workpiece clamping device for an automated three-dimensional optical measurement apparatus according to this embodiment is further configured, on the basis of embodiment 1, such that a reference column 103 having a regular hexagonal prism shape is provided on a bottom plate 101 between two adjacent panels 203.
Further, the reference column 103 is cut with a plurality of notch grooves which are distributed at intervals along the axial direction and are distributed in an annular array around the axial direction, and a mounting inclined plane 104 which forms an included angle of 30 degrees with the vertical plane is formed in the notch grooves.
In this embodiment, the automated three-dimensional optical measurement device needs to use multiple reference points for positioning during the scanning measurement, and four reference columns 103 are uniformly distributed around the center for pasting the reference points. The reference column is a hexagonal column, and a plurality of inclined planes (i.e. mounting inclined planes 104) forming 30 degrees with the vertical direction are designed, so that the probe of the measuring equipment has enough reference points and ideal reference point scanning angles no matter in which scanning position and scanning angle in the scanning process, and the positioning of each scanning measuring position is performed.
The workpiece clamping device for the automatic three-dimensional optical measuring equipment can be used for simultaneously measuring four workpieces at most, is fast and convenient to clamp, avoids the step of repeatedly pasting reference points, and can greatly improve workpiece clamping and measuring efficiency. And the stable clamping mode and the multi-angle reference column surface can enable the measuring equipment probe to have higher scanning quality and stability, and the stability of the measuring result is improved, so that the measuring equipment probe is a novel solution of the clamping system of the automatic three-dimensional optical measuring equipment.
Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional or positional relation is based on the actually shown positional or positional relation, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional or positional relation in the present utility model are merely for exemplary illustration and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to combine the embodiments and understand the specific meaning of the above terms according to the specific circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (10)
1. A work piece clamping device for automizing three-dimensional optical measuring equipment, including base and clamping head, its characterized in that: the base comprises a bottom plate, and a center guide column which is in a non-rotary column shape is arranged on the bottom plate; the clamping head comprises a center frame, guide holes for the center guide posts to penetrate through in an adapting mode are formed in the center frame, a plurality of panels which are distributed in an annular array mode at equal intervals are arranged outside the center frame, transition forks are connected between the panels and the center frame, magnets for adsorbing workpieces are arranged on the panels, and locking screws with the ends propped against the center guide posts are connected to the center frame in a threaded mode.
2. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 1, wherein: a reference column arranged on the bottom plate is arranged between two adjacent panels.
3. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 2, wherein: the reference column is in a regular hexagonal prism shape.
4. A workpiece clamping device for an automated three-dimensional optical measurement apparatus as defined in claim 3 wherein: the reference column is cut with a plurality of notch grooves which are distributed at intervals along the axial direction of the reference column and are distributed in an annular array around the axial direction of the reference column, and a mounting inclined plane which forms an included angle of 30 degrees with the vertical plane is formed in the notch grooves.
5. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 1, wherein: the bottom plate is provided with a clamping head supporting column with the top propped against the center frame.
6. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 5, wherein: the clamping head support columns are distributed in an annular array around the axis of the central guide column.
7. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 1, wherein: the panel is provided with two positioning pins which are arranged in bilateral symmetry, the positioning pins back to the central guide column extend in a straight line, and the positioning pins are close to the bottom of the panel.
8. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 1, wherein: and the bottom plate is provided with a mounting counter bore.
9. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 1, wherein: the magnet is a neodymium magnet.
10. The workpiece clamping device for an automated three-dimensional optical measurement apparatus of claim 1, wherein: the locking screw is a plum blossom hand-screwed type locking screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323203496.6U CN221099658U (en) | 2023-11-27 | 2023-11-27 | Workpiece clamping device for automatic three-dimensional optical measurement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323203496.6U CN221099658U (en) | 2023-11-27 | 2023-11-27 | Workpiece clamping device for automatic three-dimensional optical measurement equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221099658U true CN221099658U (en) | 2024-06-07 |
Family
ID=91307980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323203496.6U Active CN221099658U (en) | 2023-11-27 | 2023-11-27 | Workpiece clamping device for automatic three-dimensional optical measurement equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221099658U (en) |
-
2023
- 2023-11-27 CN CN202323203496.6U patent/CN221099658U/en active Active
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