CN217168422U - Clamp for measuring three-dimensional appearance of shaft parts - Google Patents
Clamp for measuring three-dimensional appearance of shaft parts Download PDFInfo
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- CN217168422U CN217168422U CN202220153776.7U CN202220153776U CN217168422U CN 217168422 U CN217168422 U CN 217168422U CN 202220153776 U CN202220153776 U CN 202220153776U CN 217168422 U CN217168422 U CN 217168422U
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- 230000007246 mechanism Effects 0.000 claims description 19
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an axle type part three-dimensional appearance is measured and is used anchor clamps, including being used for placing the anchor clamps base on three-dimensional appearance measuring apparatu workstation, anchor clamps base top is equipped with the fixture that is used for cliping the work piece tip, and fixture includes the holding head mounting panel of holding head and vertical setting, is equipped with the holding head bearing that a rotation axis extends along the horizontal direction on the holding head mounting panel, and the holding head is installed on the holding head bearing. When the clamp is used, the clamp base is placed on a workbench of a three-dimensional appearance measuring instrument, one end of a shaft workpiece is clamped by the clamping head, the central line of the shaft workpiece is in a horizontal position, then the three-dimensional appearance measuring instrument is opened, and the workpiece is rotated for an angle at intervals, so that all the circumferential side faces of the shaft workpiece are measured. Compared with the prior art, the problem that the existing clamp cannot be suitable for three-dimensional shape measurement of the shaft parts is solved, and the efficiency of the three-dimensional shape measurement work of the shaft parts is improved.
Description
Technical Field
The utility model belongs to the frock clamp field, concretely relates to axle type part three-dimensional appearance is measured and is used anchor clamps.
Background
The three-dimensional measurement is to carry out omnibearing measurement on a measured object and determine three-dimensional coordinate measurement data of the measured object. The three-dimensional measurement technology at present cannot be applied to large-scale measurement, but is more suitable for small-scale measurement, especially in small-amount customization of high-end products. The utility model discloses a china utility model discloses an anchor clamps of three-dimensional profile measuring apparatu (notice number is CN206440251U, and the notice day is 2017.08.25), including fixing base, first latch device, second latch device, first latch device includes first joint post, first joint portion, and second latch device includes second joint post, second joint portion, and on first joint post, the second joint post were fixed in to first joint portion and second joint portion level respectively, set up the butt piece that is used for the butt work piece between first joint post and the second joint post. The fixture can well fix the workpieces with irregular shapes, but as the base of the fixture is fixed and can not rotate, for the shaft parts, the workpieces need to rotate four times (rotate 90 degrees every time) in the measurement process so as to fully evaluate the appearance information of the whole parts, and therefore the fixture cannot be well applicable to the shaft parts.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an axle type part three-dimensional appearance is measured and is used anchor clamps for solve current anchor clamps and can't be applicable to axle type part three-dimensional appearance measuring problem.
In order to achieve the above object, the utility model discloses an axle type part three-dimensional appearance is measured and is used anchor clamps adopts following technical scheme: the clamp for measuring the three-dimensional appearance of the shaft part comprises a clamp base used for being placed on a workbench of a three-dimensional appearance measuring instrument, a clamping mechanism used for clamping the end part of a workpiece is arranged at the top of the clamp base, the clamping mechanism comprises a clamping head and a vertically arranged clamping head mounting plate, a clamping head bearing with a rotating axis extending along the horizontal direction is arranged on the clamping head mounting plate, and the clamping head is installed on the clamping head bearing.
Has the advantages that: when the clamp is used, the clamp base is placed on a workbench of a three-dimensional appearance measuring instrument, one end of a shaft workpiece is clamped by the clamping head, the central line of the shaft workpiece is in a horizontal position, then the three-dimensional appearance measuring instrument is opened, and the workpiece is rotated for an angle at intervals, so that all the circumferential side faces of the shaft workpiece are measured. Compared with the prior art, the problem that the existing clamp cannot be suitable for three-dimensional shape measurement of the shaft parts is solved, and the efficiency of the three-dimensional shape measurement work of the shaft parts is improved.
Furthermore, the fixture base is provided with two opposite clamping mechanisms, and a clamping head mounting plate of one clamping mechanism is adjustably mounted on the fixture base through a sliding mechanism. The shaft part clamp is suitable for shaft parts with different lengths.
Furthermore, the sliding mechanism comprises a guide bar arranged at the bottom of the clamping head mounting plate and a guide groove arranged at the top of the clamp base, and a locking screw used for being in blocking fit with the clamp base in the horizontal direction is arranged on the guide bar in a rotating mode.
Furthermore, be equipped with the spacing hole that supplies locking screw to twist on the diapire of guide way, spacing hole has a plurality ofly, and each spacing hole is parallel to the interval setting on guide way length direction.
Furthermore, the clamping head is a three-jaw chuck or a four-jaw chuck.
Further, the clamp base comprises an upper base plate and a lower base plate which are arranged at an upper interval and a lower base plate, more than three leveling structures used for adjusting the upper base plate to the horizontal position are arranged between the upper base plate and the lower base plate, each leveling structure comprises a vertically arranged screw rod, a spherical hinge piece is arranged at the upper end of each screw rod, the lower end of each screw rod is arranged on the lower base plate in a rotating mode, and an adjusting nut used for adjusting the height of the spherical hinge piece is arranged below each spherical hinge piece on each screw rod.
When the adjustable base is used, the upper plate of the base is adjusted to the horizontal position by rotating the adjusting nut, the spherical hinge structure can ensure that no torque exists in the leveling process, and the adjusting angle is not restricted.
Further, the base upper plate and the base lower plate are rectangular plates, the number of the leveling structures is four, the four leveling structures are respectively arranged close to four right-angle positions of the base lower plate, and the base upper plate is provided with a bubble type level meter. Whether the clamp is horizontal or not can be visually seen.
Furthermore, the number of the bubble type gradienters is four, and the four bubble type gradienters are respectively arranged on four side walls of the upper plate of the base.
Furthermore, the adjusting nut is a butterfly nut, and an adjusting gasket used for compensating a thread fit clearance between the screw rod and the spherical hinge piece is arranged between the adjusting nut and the spherical hinge piece.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and obviously, the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts;
FIG. 1 is a first perspective view of a specific embodiment of a fixture for measuring three-dimensional features of shaft parts;
FIG. 2 is a second perspective view of a specific embodiment of a fixture for measuring three-dimensional features of shaft parts;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the lower plate of the base;
FIG. 5 is a schematic view of the structure of the mounting plate of the gripping head;
fig. 6 is a schematic structural view of the spherical hinge.
In the figure: 100-clamp base, 110-base upper plate, 111-guide groove, 112-limit hole, 120-base lower plate, 200-clamping mechanism, 210-clamping head, 220-clamping head mounting plate, 221-guide strip, 230-clamping head bearing, 300-locking screw, 410-screw rod, 420-spherical hinge, 421-hinge seat, 422-hinge rod sleeve, 430-adjusting nut, 440-adjusting gasket and 500-bubble type level gauge.
Detailed Description
In order to make the technical purpose, technical solution and advantageous effects of the present invention clearer, the technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, the specific embodiment of the fixture for measuring the three-dimensional topography of the shaft-like part includes a fixture base 100 for being placed on a workbench of the three-dimensional topography measuring instrument, the fixture base 100 includes a base upper plate 110 and a base lower plate 120 which are arranged at an interval from top to bottom, and both the base upper plate 110 and the base lower plate 120 are rectangular plates. The base upper plate 110 is provided with two clamping mechanisms 200 for clamping the end of the workpiece, and the two clamping mechanisms 200 are arranged oppositely.
The clamping mechanism 200 comprises a clamping head 210 and a vertically arranged clamping head mounting plate 220, wherein a clamping head bearing 230 with a rotation axis extending along the horizontal direction is arranged on the clamping head mounting plate 220, and the clamping head 210 is arranged on the clamping head bearing 230. The gripping head 210 in this embodiment is a four-jaw chuck, but other gripping heads, such as a three-jaw chuck, may be used in other embodiments.
One of the clamping head mounting plates 220 is position-adjustably mounted on the clamp base 100 by a slide mechanism. The sliding mechanism comprises a guide bar 221 arranged at the bottom of the clamping head mounting plate 220 and a guide groove 111 arranged at the top of the clamp base 100, wherein a locking screw 300 used for forming stop matching with the clamp base 100 in the horizontal direction is screwed on the guide bar 221. The bottom wall of the guide groove 111 is provided with a plurality of limiting holes 112 for the locking screws 300 to be screwed in, and the limiting holes 112 are arranged in parallel at intervals in the length direction of the guide groove 111. When the clamping head is used, the distance between the two clamping mechanisms 200 is adjusted by adjusting the position of the clamping head mounting plate 220, and the clamping head is suitable for shaft parts with different lengths.
Four leveling structures for adjusting the base upper plate 110 to a horizontal position are arranged between the base upper plate 110 and the base lower plate 120, and the four leveling structures are respectively arranged close to four right-angle positions of the base lower plate 120. The leveling structure comprises a vertically arranged screw rod 410, a spherical hinge 420 is arranged at the upper end of the screw rod 410, the spherical hinge 420 comprises a hinge seat 421 and a hinge rod sleeve 422, the lower end of the screw rod 410 is rotatably arranged on the lower base plate 120, the upper end of the screw rod 410 is in threaded fit with the hinge rod sleeve 422, and an adjusting nut 430 used for adjusting the height of the spherical hinge 420 is arranged below the spherical hinge 420 on the screw rod 410. When the adjustable base is used, the upper base plate 110 is adjusted to the horizontal position by rotating the adjusting nut 430, the spherical hinge structure can ensure that no torque exists in the leveling process, and the adjusting angle is not restricted.
Four bubble type gradienters 500 are arranged on the base upper plate 110, and the four bubble type gradienters 500 are respectively arranged on four side walls of the base upper plate 110. Whether the clamp is horizontal or not can be visually seen. The adjusting nut 430 in this embodiment is a wing nut, which makes the leveling operation simple. An adjusting gasket 440 for compensating the thread fit clearance between the screw 410 and the spherical hinge 420 is arranged between the adjusting nut 430 and the spherical hinge 420, so that the contact stability between the screw 410 and the hinge rod sleeve 411 is ensured.
When the three-dimensional shape measuring instrument is used, the clamp base 100 is placed on a workbench of the three-dimensional shape measuring instrument, the two clamping heads clamp two ends of a shaft workpiece respectively, the central line of the workpiece is in a horizontal position, then the three-dimensional shape measuring instrument is opened, the workpiece is rotated for an angle at intervals, and the circumferential side faces of the shaft workpiece are all measured. Compared with the prior art, the problem that the existing clamp cannot be suitable for three-dimensional shape measurement of the shaft parts is solved, and the efficiency of the three-dimensional shape measurement work of the shaft parts is improved.
In other embodiments, only one clamping mechanism can be arranged, one end of the shaft workpiece is fixed on the clamping head without clamping when the clamping mechanism is used, and the clamping head is screwed down to clamp the workpiece after the central line of the workpiece is adjusted to the horizontal position.
Finally, it should be noted that: the above embodiments are only used for illustration and not for limiting the technical solution of the present invention, and any equivalent substitutions and modifications or partial substitutions which do not depart from the spirit and scope of the present invention should be covered by the scope of the claims of the present invention.
Claims (9)
1. Axle type part three-dimensional appearance is measured and is used anchor clamps which characterized in that: including being used for placing the anchor clamps base on three-dimensional appearance measuring apparatu workstation, anchor clamps base top is equipped with the fixture that is used for cliping the work piece tip, and fixture includes the holding head mounting panel of holding head and vertical setting, is equipped with the holding head bearing that a rotation axis extends along the horizontal direction on the holding head mounting panel, and the holding head is installed on the holding head bearing.
2. The clamp for measuring the three-dimensional morphology of the shaft part according to claim 1, characterized in that: the fixture base is provided with two opposite clamping mechanisms, and a clamping head mounting plate of one clamping mechanism is adjustably mounted on the fixture base through a sliding mechanism.
3. The clamp for measuring the three-dimensional morphology of the shaft part according to claim 1, characterized in that: the sliding mechanism comprises a guide strip arranged at the bottom of the clamping head mounting plate and a guide groove arranged at the top of the clamp base, and a locking screw used for being in stop fit with the clamp base in the horizontal direction is arranged on the guide strip in a rotating mode.
4. The clamp for measuring the three-dimensional morphology of the shaft part according to claim 3, characterized in that: be equipped with the spacing hole that supplies locking screw to twist on the diapire of guide way, spacing hole has a plurality ofly, and each spacing hole is parallel interval setting in guide way length direction.
5. The clamp for measuring the three-dimensional morphology of the shaft part according to claim 3, characterized in that: the clamping head is a three-jaw chuck or a four-jaw chuck.
6. The jig for measuring the three-dimensional profile of a shaft-like part according to any one of claims 1 to 5, characterized in that: the clamp base comprises a base upper plate and a base lower plate which are arranged at an upper interval and a lower interval, more than three leveling structures used for adjusting the base upper plate to a horizontal position are arranged between the base upper plate and the base lower plate, each leveling structure comprises a vertically arranged screw rod, a spherical hinge piece is arranged at the upper end of each screw rod, the lower end of each screw rod is arranged on the base lower plate in a rotating mode, and an adjusting nut used for adjusting the height of the spherical hinge piece is arranged below the spherical hinge piece on each screw rod.
7. The clamp for measuring the three-dimensional morphology of the shaft part according to claim 6, characterized in that: the base upper plate and the base lower plate are rectangular plates, the number of the leveling structures is four, the four leveling structures are respectively arranged close to four right-angle positions of the base lower plate, and the base upper plate is provided with a bubble type level meter.
8. The clamp for measuring the three-dimensional profile of the shaft part according to claim 7, wherein: the number of the bubble type gradienters is four, and the four bubble type gradienters are respectively arranged on four side walls of the upper plate of the base.
9. The clamp for measuring the three-dimensional morphology of the shaft part according to claim 6, characterized in that: the adjusting nut is a butterfly nut, and an adjusting gasket used for compensating a thread fit clearance between the screw rod and the spherical hinge piece is arranged between the adjusting nut and the spherical hinge piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220153776.7U CN217168422U (en) | 2022-01-20 | 2022-01-20 | Clamp for measuring three-dimensional appearance of shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220153776.7U CN217168422U (en) | 2022-01-20 | 2022-01-20 | Clamp for measuring three-dimensional appearance of shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217168422U true CN217168422U (en) | 2022-08-12 |
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ID=82734493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220153776.7U Expired - Fee Related CN217168422U (en) | 2022-01-20 | 2022-01-20 | Clamp for measuring three-dimensional appearance of shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217168422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193410A (en) * | 2022-01-20 | 2022-03-18 | 郑州大学 | Clamp for measuring three-dimensional appearance of shaft parts |
-
2022
- 2022-01-20 CN CN202220153776.7U patent/CN217168422U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193410A (en) * | 2022-01-20 | 2022-03-18 | 郑州大学 | Clamp for measuring three-dimensional appearance of shaft parts |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |