CN113340335A - Automatic image detector - Google Patents
Automatic image detector Download PDFInfo
- Publication number
- CN113340335A CN113340335A CN202110610074.7A CN202110610074A CN113340335A CN 113340335 A CN113340335 A CN 113340335A CN 202110610074 A CN202110610074 A CN 202110610074A CN 113340335 A CN113340335 A CN 113340335A
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- China
- Prior art keywords
- pressing plate
- rotating ring
- portal frame
- driving mechanism
- annular cavity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an automatic image detector, which comprises a portal frame, a workbench, an image measuring assembly, a support and a driving mechanism, wherein the portal frame is provided with a portal frame; an annular cavity capable of accommodating the driving mechanism is formed in the support; the driving mechanism comprises a rotating ring which is rotatably arranged in the annular cavity and a motor which is used for driving the rotating ring to rotate; a stabilizing mechanism for improving the moving precision is also arranged in the annular cavity; the invention is provided with the driving mechanism, and the screw rod transmission mode in the prior art is replaced by the circumferential rotation mode, so that the moving speed and the detection efficiency of the lens are greatly improved; still be equipped with stabilizing mean, can reduce the influence of rotation inertia to the shift position precision to guarantee the precision of detection.
Description
Technical Field
The invention relates to the field of image measuring instruments, in particular to an automatic image detector.
Background
The imaging instrument, also known as image measuring instrument, image type precision surveying instrument, optics measuring apparatu, current imaging instrument equipment commonality is better, but because the plane geometry size limitation of measuring the part is great, convenient measuring efficiency is not high, for this reason, an imaging instrument that can solve above-mentioned problem is urgently needed.
Disclosure of Invention
The invention provides an automatic image detector which can solve the problems pointed out in the background technology.
An automatic image detector comprises a portal frame, a workbench for bearing a workpiece to be detected, an image measuring assembly arranged on the portal frame, a support for supporting the portal frame and a driving mechanism for driving the portal frame to rotate;
an annular cavity capable of accommodating the driving mechanism is formed in the support;
the driving mechanism comprises a rotating ring which is rotatably arranged in the annular cavity and a motor which is used for driving the rotating ring to rotate;
the portal frame is fixedly connected to the rotating ring;
and a stabilizing mechanism for improving the moving precision is also arranged in the annular cavity.
Preferably, the stabilizing mechanism comprises two stabilizing groups which are arranged in an axisymmetric manner, each stabilizing group comprises an upper pressing plate, a lower pressing plate and a spring assembly, and under the action of the spring assembly, the lower side surface of the upper pressing plate is abutted against the upper side surface of the lower pressing plate;
the lower side surface of the upper pressing plate and the upper side surface of the lower pressing plate are both provided with a limiting groove, and the depth of the limiting groove is gradually increased from the center to the two ends;
two connecting pieces with central symmetry are arranged on the rotating ring, and when the rotating ring rotates, the connecting pieces can move to a position between the upper pressing plate and the lower pressing plate.
Preferably, the connecting piece comprises a bracket arranged on the swivel and two rollers rotatably arranged on the bracket;
when the rotating ring rotates, the two rollers respectively abut against the upper pressing plate and the lower pressing plate.
Preferably, the upper pressure plate and the lower pressure plate are both semicircular.
Preferably, the rotating ring is provided with a gear ring, and an output shaft of the motor is provided with a gear meshed with the gear ring.
Compared with the prior art, the invention has the beneficial effects that: the invention is provided with the driving mechanism, and the screw rod transmission mode in the prior art is replaced by the circumferential rotation mode, so that the moving speed and the detection efficiency of the lens are greatly improved;
still be equipped with stabilizing mean, can reduce the influence of rotation inertia to the shift position precision to guarantee the precision of detection.
Drawings
FIG. 1 is a diagram of a prior art image detector;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the driving mechanism of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of the construction of the connector of the present invention;
fig. 7 is a partial structural schematic view of the stabilizing mechanism of the present invention.
Description of reference numerals:
1. the device comprises a workbench, 2, a portal frame, 3, an image measuring component, 4, a support, 5, a rotating ring, 6, a motor, 7, an upper pressure plate, 8, a lower pressure plate, 9, a spring component, 10, a limiting groove, 11, a roller, 12, a connecting piece, 13, a gear ring, 14 and a gear.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 7, an automatic image detector provided in an embodiment of the present invention includes a gantry 2, a workbench 1 for bearing a detected workpiece, an image measuring assembly 3 installed on the gantry 2, a support 4 for supporting the gantry 2, and a driving mechanism for driving the gantry 2 to rotate;
as shown in fig. 1, most of the image detectors in the prior art use a lead screw transmission mode to achieve X, Y and Z-axis movement of the lens, when the size of the object to be detected is too large, the time of the moving speed of the lens affects the detection efficiency, and when the lens moves from one end of the object to the other end, the detection efficiency is low due to the lead screw transmission mode, so the following driving mechanisms are adopted in the present invention:
an annular cavity capable of accommodating the driving mechanism is formed in the support 4;
the driving mechanism comprises a rotating ring 5 which is rotatably arranged in the annular cavity and a motor 6 which is used for driving the rotating ring 5 to rotate;
the driving mechanism can drive the image measuring component 3 on the portal frame 2 to rotate, the image measuring component 3 is a prior art, and has the capability of moving in the length direction and the height direction of the portal frame 2, which is a prior art and therefore not described in detail herein,
the driving mechanism can drive the portal frame 2 to rotate, so that the requirement of rapidly moving from one end of a large object to be detected to the other opposite end is met, compared with screw rod transmission, the moving time is greatly reduced, and the detection efficiency is improved;
the portal frame 2 is fixedly connected to the rotating ring 5;
the rotational inertia generated in the process of driving the rotating ring 5 to rotate by the motor 6 can cause the position after moving to slightly deviate from the preset position, and in order to improve the precision and eliminate the error, a stabilizing mechanism for overcoming the inertia needs to be designed
A stabilizing mechanism for improving the moving precision is also arranged in the annular cavity;
the stabilizing mechanism comprises two stabilizing groups which are arranged in an axisymmetric manner, each stabilizing group comprises an upper pressing plate 7, a lower pressing plate 8 and a spring assembly 9, and under the action of the spring assembly 9, the lower side surface of the upper pressing plate 7 is abutted against the upper side surface of the lower pressing plate 8;
a limiting groove 10 is formed in both the lower side surface of the upper pressing plate 7 and the upper side surface of the lower pressing plate 8, and the depth of the limiting groove 10 gradually increases from the center to the two ends;
the swivel 5 is provided with two connecting pieces 12 which are centrosymmetric, and when the swivel 5 rotates, the connecting pieces can move between the upper pressing plate 7 and the lower pressing plate 8;
as shown in fig. 6, the connecting member 12 includes a bracket provided on the swivel 5 and two rollers 11 rotatably mounted on the bracket; the connection 12 in fig. 3 and 4 is for illustrative purposes only;
when the rotating ring 5 rotates, the two rollers 11 respectively abut against the upper pressing plate 7 and the lower pressing plate 8;
under the action of the spring assembly 9, the upper pressing plate 7 and the lower pressing plate 8 are both abutted to the roller 11, the larger the rotation amplitude of the rotating ring 5 is, the larger the rotation inertia is, and the larger the force exerted on the roller 11 by the upper pressing plate 7 and the lower pressing plate 8 is, so that the movement error caused by the inertia can be overcome, and the movement precision is improved;
the upper pressing plate 7 and the lower pressing plate 8 are both semicircular;
the rotating ring 5 is provided with a gear ring 13, and an output shaft of the motor 6 is provided with a gear 14 which is meshed with the gear ring 13.
The working principle is as follows: when an object to be detected is detected, the portal frame 2 rotates to the position of a point to be detected under the action of the driving mechanism, the roller 11 on the connecting piece 12 moves between the upper pressing plate 7 and the lower pressing plate 8 in the rotating process of the portal frame 2, and the upper pressing plate 7 and the lower pressing plate 8 provide a force opposite to the rotating inertia direction, so that the influence of the rotating inertia on the moving precision is avoided, and the detection precision is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (5)
1. An automatic image detector comprises a portal frame, a workbench for bearing a workpiece to be detected, and an image measuring assembly arranged on the portal frame, and is characterized by also comprising a support for supporting the portal frame and a driving mechanism for driving the portal frame to rotate;
an annular cavity capable of accommodating the driving mechanism is formed in the support;
the driving mechanism comprises a rotating ring which is rotatably arranged in the annular cavity and a motor which is used for driving the rotating ring to rotate;
the portal frame is fixedly connected to the rotating ring;
and a stabilizing mechanism for improving the moving precision is also arranged in the annular cavity.
2. The automatic image detecting apparatus according to claim 1, wherein the stabilizing mechanism includes two stabilizing sets disposed in an axisymmetric manner, the stabilizing sets including an upper pressing plate, a lower pressing plate and a spring assembly, under the action of the spring assembly, the lower side surface of the upper pressing plate abuts against the upper side surface of the lower pressing plate;
the lower side surface of the upper pressing plate and the upper side surface of the lower pressing plate are both provided with a limiting groove, and the depth of the limiting groove is gradually increased from the center to the two ends;
two connecting pieces with central symmetry are arranged on the rotating ring, and when the rotating ring rotates, the connecting pieces can move to a position between the upper pressing plate and the lower pressing plate.
3. The automated image inspection apparatus of claim 2, wherein the linkage comprises a bracket disposed on the swivel and two rollers rotatably mounted on the bracket;
when the rotating ring rotates, the two rollers respectively abut against the upper pressing plate and the lower pressing plate.
4. The automated image inspection apparatus of claim 2, wherein the upper platen and the lower platen are each semi-circular.
5. The automatic image inspecting apparatus according to claim 1, wherein the rotating ring is provided with a gear ring, and the output shaft of the motor is provided with a gear engaged with the gear ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110610074.7A CN113340335B (en) | 2021-06-01 | 2021-06-01 | Automatic image detector |
| PCT/CN2022/071749 WO2022252626A1 (en) | 2021-06-01 | 2022-01-13 | Automatic image detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110610074.7A CN113340335B (en) | 2021-06-01 | 2021-06-01 | Automatic image detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113340335A true CN113340335A (en) | 2021-09-03 |
| CN113340335B CN113340335B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110610074.7A Active CN113340335B (en) | 2021-06-01 | 2021-06-01 | Automatic image detector |
Country Status (2)
| Country | Link |
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| CN (1) | CN113340335B (en) |
| WO (1) | WO2022252626A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022252626A1 (en) * | 2021-06-01 | 2022-12-08 | 江苏优直智能科技有限公司 | Automatic image detector |
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| WO2022252626A1 (en) | 2022-12-08 |
| CN113340335B (en) | 2023-03-14 |
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