CN210741418U - Clamping jig for three-coordinate detection - Google Patents
Clamping jig for three-coordinate detection Download PDFInfo
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- CN210741418U CN210741418U CN201921997427.8U CN201921997427U CN210741418U CN 210741418 U CN210741418 U CN 210741418U CN 201921997427 U CN201921997427 U CN 201921997427U CN 210741418 U CN210741418 U CN 210741418U
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Abstract
The utility model discloses a clamping tool for three-dimensional detection, include the base plate and install the fixed block on the base plate, the lower surface and the base plate upper surface contact of fixed block are connected, respectively open on two side surfaces of fixed block has two at least recesses, still has a supporting shoe, and this supporting shoe is located between work piece and the fixed block, the lower surface of supporting shoe and the upper surface contact of fixed block to with fixed block fixed connection, this supporting shoe upper surface has two at least bellyings, thereby forms a plurality of depressed part on the supporting shoe, the bellyings upper surface is connected with the work piece contact, the depressed part supplies the work piece embedding, be provided with a plurality of erection columns respectively on the base plate and lie in the fixed block both sides, install a spacing clamp plate on the erection column. The utility model discloses a clamping can be examined the three face of work piece, has both improved the efficiency that detects, has practiced thrift the time, avoids the error that the repeated many times clamping of work piece brought again, has improved the precision and the accuracy that detect.
Description
Technical Field
The utility model relates to a clamping tool for three-dimensional detects belongs to the machining and measures the field.
Background
The checking tool is a special measuring tool specially made by industrial production enterprises for controlling various mechanical sizes of products, and is suitable for mass production of products, such as automobile parts and the like. At present, a three-coordinate measuring instrument is a commonly used measuring instrument for an automobile checking fixture, can quickly and conveniently measure part size parameters which cannot be measured by some common measuring instruments, and the existing three-coordinate measuring machine enables a measuring head to move in three coordinate directions simultaneously through three main bodies which vertically move in an X axis, a Y axis and a Z axis, so that the size parameters such as the shape, the outline and the like of an object can be accurately detected through coordinates of a plurality of points.
The existing clamping jig matched with the three-coordinate measuring instrument is only used for upwards positioning the surface to be detected of a workpiece and simply positioning the surface, however, the existing workpiece is usually required to be detected on two surfaces or a plurality of surfaces, so that the workpiece is required to be clamped for many times, time is wasted, and the detection accuracy is reduced due to errors among multiple clamping.
Disclosure of Invention
The utility model aims at providing a clamping tool for three-dimensional detects, this a clamping tool for three-dimensional detects has realized that a clamping can inspect the three face of work piece, has both improved the efficiency that detects, has practiced thrift the time, avoids the error that the repeated many times clamping of work piece brought again, has improved the precision and the accuracy that detect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a clamping jig for three-coordinate detection comprises a substrate and a fixed block arranged on the substrate, wherein the lower surface of the fixed block is in contact connection with the upper surface of the substrate, at least two grooves are respectively formed in two side surfaces of the fixed block, a fixed pressing plate corresponding to the grooves is arranged on the substrate, a connecting part of the fixed pressing plate is connected with the substrate, and a pressing head part of the fixed pressing plate is embedded into the grooves of the fixed block and is in abutting contact with at least one surface of the groove;
the support block is positioned between the workpiece and the fixed block, the lower surface of the support block is in contact with the upper surface of the fixed block and is fixedly connected with the fixed block, the upper surface of the support block is provided with at least two convex parts, so that a plurality of concave parts are formed on the support block, the upper surfaces of the convex parts are in contact connection with the workpiece, and the concave parts are used for the workpiece to be embedded;
the base plate is provided with a plurality of mounting columns which are positioned on two sides of the fixing block respectively, a limiting pressing plate is mounted on each mounting column, one end of the limiting pressing plate is connected with the mounting column, and the other end of the limiting pressing plate is embedded into the notch part on the workpiece and is in abutting contact with the workpiece positioned above the protruding part.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the base plate is provided with a plurality of threaded holes at equal intervals, and the bottom surface of the fixed block is provided with mounting holes corresponding to the threaded holes.
2. In the above scheme, the groove is a strip-shaped groove.
3. In the scheme, the number of the grooves and the number of the fixed pressing plates are four, and the grooves and the fixed pressing plates are respectively positioned on two sides of the fixed block.
4. In the above scheme, the lower end of the mounting column is in threaded connection with the substrate.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a clamping tool for three-dimensional detection, it has realized that a clamping can inspect the three face of work piece, has both improved the efficiency of detection, has practiced thrift the time, avoids the error that the repeated clamping of work piece brought again and again, has improved the precision and the accuracy of detection, has still saved the calibration process after clamping at every turn simultaneously, has further practiced thrift the time of detection, has improved detection efficiency; in addition, two side surfaces of the fixing block are respectively provided with at least two grooves, the base plate is provided with a fixing pressing plate corresponding to the grooves, the connecting part of the fixing pressing plate is connected with the base plate, the pressing head part of the fixing pressing plate is embedded into the grooves of the fixing block and is in pressing contact with at least one surface of the groove, and the fixing pressing plate and the grooves are matched to realize three-dimensional positioning of the fixing pressing plate, ensure the position precision of the fixing pressing plate on the base plate, further ensure the position precision of a workpiece and ensure the detection precision.
2. The utility model discloses a clamping tool for three-dimensional detection, it still has a supporting shoe, and this supporting shoe is located between work piece and the fixed block, the lower surface of supporting shoe and the upper surface contact of fixed block to with fixed block fixed connection, this supporting shoe upper surface have at least two bellyings, thereby form a plurality of depressed part on the supporting shoe, the bellyings upper surface is connected with the work piece contact, the depressed part supplies the work piece embedding, the supporting shoe and the setting of its upper surface depressed part, bellyings, both convenient to dismantle the installation, provide the support of high matching degree for the work piece again, guaranteed the stability and the precision of work piece clamping, be convenient for to the detection of work piece and guarantee the precision that detects; in addition, a plurality of mounting columns are arranged on the base plate and located on two sides of the fixing block respectively, a limiting pressing plate is mounted on each mounting column, one end of the limiting pressing plate is connected with the mounting columns, the other end of the limiting pressing plate is embedded into the notch portion of the workpiece and is in abutting contact with the workpiece located above the protruding portion, and the limiting pressing plate and the protruding portion on the supporting block are matched to act, so that the workpiece is prevented from being damaged due to overlarge clamping force while the stability of clamping the workpiece is guaranteed.
Drawings
Fig. 1 is a schematic structural view of a clamping jig for three-coordinate detection of the present invention;
FIG. 2 is an enlarged view of a partial structure of the clamping fixture for three-dimensional inspection according to the present invention;
figure 3 is the utility model discloses a clamping tool local structure schematic diagram for three-dimensional detects.
In the above drawings: 1. a substrate; 2. a fixed block; 201. a groove; 3. fixing the pressing plate; 301. a connecting portion; 302. pressing the head part; 4. a support block; 401. a boss portion; 402. a recessed portion; 5. a workpiece; 6. mounting a column; 7. a limiting pressure plate; 11. a threaded bore.
Detailed Description
Example 1: a clamping fixture for three-coordinate detection is used for a workpiece, the workpiece is provided with four surfaces, the areas of the upper surface and the lower surface of the workpiece are far smaller than the areas of the left surface and the right surface of the workpiece, the clamping fixture comprises a substrate 1 and a fixed block 2 arranged on the substrate 1, the lower surface of the fixed block 2 is in contact connection with the upper surface of the substrate 1, at least two grooves 201 are respectively formed in two side surfaces of the fixed block 2, a fixed pressing plate 3 corresponding to the grooves 201 is arranged on the substrate 1, a connecting part 301 of the fixed pressing plate 3 is connected with the substrate 1, and a pressing head part 302 of the fixed pressing plate 3 is embedded into the grooves 201 of the fixed block 2 and is in pressing contact with at least one surface of;
the supporting block 4 is positioned between the workpiece 5 and the fixed block 2, the lower surface of the supporting block 4 is in contact with the upper surface of the fixed block 2 and is fixedly connected with the fixed block 2, the upper surface of the supporting block 4 is provided with at least two convex parts 401, so that a plurality of concave parts 402 are formed on the supporting block 4, the upper surfaces of the convex parts 401 are in contact connection with the workpiece 5, and the concave parts 402 are used for the workpiece 5 to be embedded;
a plurality of mounting columns 6 are respectively arranged on the substrate 1 and positioned on two sides of the fixing block 2, a limiting pressing plate 7 is mounted on each mounting column 6, one end of each limiting pressing plate 7 is connected with the corresponding mounting column 6, and the other end of each limiting pressing plate 7 is embedded into the corresponding notch 501 in the workpiece 5 and is in abutting contact with the workpiece 5 above the corresponding protruding portion 401.
A plurality of threaded holes 11 are arranged on the base plate 1 at equal intervals, and mounting holes corresponding to the threaded holes 11 are formed in the bottom surface of the fixing block 2; the groove 201 is a bar-shaped groove.
Example 2: a clamping fixture for three-coordinate detection is used for a workpiece, the workpiece is provided with four surfaces, the areas of the upper surface and the lower surface of the workpiece are far smaller than the areas of the left surface and the right surface of the workpiece, the clamping fixture comprises a substrate 1 and a fixed block 2 arranged on the substrate 1, the lower surface of the fixed block 2 is in contact connection with the upper surface of the substrate 1, at least two grooves 201 are respectively formed in two side surfaces of the fixed block 2, a fixed pressing plate 3 corresponding to the grooves 201 is arranged on the substrate 1, a connecting part 301 of the fixed pressing plate 3 is connected with the substrate 1, and a pressing head part 302 of the fixed pressing plate 3 is embedded into the grooves 201 of the fixed block 2 and is in pressing contact with at least one surface of;
the supporting block 4 is positioned between the workpiece 5 and the fixed block 2, the lower surface of the supporting block 4 is in contact with the upper surface of the fixed block 2 and is fixedly connected with the fixed block 2, the upper surface of the supporting block 4 is provided with at least two convex parts 401, so that a plurality of concave parts 402 are formed on the supporting block 4, the upper surfaces of the convex parts 401 are in contact connection with the workpiece 5, and the concave parts 402 are used for the workpiece 5 to be embedded;
a plurality of mounting columns 6 are respectively arranged on the substrate 1 and positioned on two sides of the fixing block 2, a limiting pressing plate 7 is mounted on each mounting column 6, one end of each limiting pressing plate 7 is connected with the corresponding mounting column 6, and the other end of each limiting pressing plate 7 is embedded into the corresponding notch 501 in the workpiece 5 and is in abutting contact with the workpiece 5 above the corresponding protruding portion 401.
The number of the grooves 201 and the number of the fixed pressing plates 3 are four, and the grooves are respectively positioned on two sides of the fixed block 2; the lower end of the mounting column 6 is connected with the base plate 1 by screw thread.
When the clamping jig for three-coordinate detection is adopted, three faces of a workpiece can be detected by clamping once, so that the detection efficiency is improved, the time is saved, errors caused by repeated clamping of the workpiece are avoided, the detection precision and accuracy are improved, meanwhile, the calibration process after each clamping is also omitted, the detection time is further saved, and the detection efficiency is improved; in addition, the fixed pressing plate and the groove are matched, so that the three-dimensional positioning of the fixed pressing plate is realized, the position precision of the fixed pressing plate on the substrate is ensured, the position precision of a workpiece is further ensured, and the detection precision is ensured;
in addition, the supporting block, the concave part and the convex part on the supporting block are convenient to disassemble and assemble, and provide high-matching-degree support for the workpiece, so that the stability and the precision of workpiece clamping are ensured, and the workpiece is convenient to detect and the detection precision is ensured; in addition, the limiting pressure plate and the protruding parts on the supporting block are matched, so that the workpiece is prevented from being damaged due to overlarge clamping force while the workpiece clamping stability is ensured.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a clamping tool for three-dimensional detects which characterized in that: the fixing device comprises a substrate (1) and a fixing block (2) arranged on the substrate (1), wherein the lower surface of the fixing block (2) is in contact connection with the upper surface of the substrate (1), at least two grooves (201) are respectively formed in two side surfaces of the fixing block (2), a fixing pressing plate (3) corresponding to the grooves (201) is arranged on the substrate (1), a connecting part (301) of the fixing pressing plate (3) is connected with the substrate (1), and a pressing head part (302) of the fixing pressing plate (3) is embedded into the grooves (201) of the fixing block (2) and is in pressing contact with at least one surface of the grooves (201);
the workpiece fixing device is characterized by further comprising a supporting block (4), the supporting block (4) is located between the workpiece (5) and the fixing block (2), the lower surface of the supporting block (4) is in contact with the upper surface of the fixing block (2) and is fixedly connected with the fixing block (2), the upper surface of the supporting block (4) is provided with at least two protruding parts (401), so that a plurality of concave parts (402) are formed in the supporting block (4), the upper surfaces of the protruding parts (401) are in contact connection with the workpiece (5), and the workpiece (5) is embedded into the concave parts (402);
the base plate (1) is provided with a plurality of mounting columns (6) on two sides of the fixing block (2), the mounting columns (6) are provided with a limiting pressing plate (7), one end of the limiting pressing plate (7) is connected with the mounting columns (6), the other end of the limiting pressing plate is embedded into a notch portion (501) on the workpiece (5), and the other end of the limiting pressing plate is abutted to the workpiece (5) above the protruding portion (401).
2. The clamping jig for three-coordinate detection according to claim 1, characterized in that: a plurality of threaded holes (11) are arranged on the base plate (1) at equal intervals, and mounting holes corresponding to the threaded holes (11) are formed in the bottom surface of the fixing block (2).
3. The clamping jig for three-coordinate detection according to claim 1, characterized in that: the groove (201) is a strip-shaped groove.
4. The clamping jig for three-coordinate detection according to claim 1, characterized in that: the number of the grooves (201) and the number of the fixed pressing plates (3) are four, and the grooves and the fixed pressing plates are respectively positioned on two sides of the fixed block (2).
5. The clamping jig for three-coordinate detection according to claim 1, characterized in that: the lower end of the mounting column (6) is in threaded connection with the base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997427.8U CN210741418U (en) | 2019-11-19 | 2019-11-19 | Clamping jig for three-coordinate detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997427.8U CN210741418U (en) | 2019-11-19 | 2019-11-19 | Clamping jig for three-coordinate detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210741418U true CN210741418U (en) | 2020-06-12 |
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ID=71009492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921997427.8U Active CN210741418U (en) | 2019-11-19 | 2019-11-19 | Clamping jig for three-coordinate detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210741418U (en) |
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2019
- 2019-11-19 CN CN201921997427.8U patent/CN210741418U/en active Active
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