CN210221792U - Product side defect detection device - Google Patents
Product side defect detection device Download PDFInfo
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- CN210221792U CN210221792U CN201920222256.5U CN201920222256U CN210221792U CN 210221792 U CN210221792 U CN 210221792U CN 201920222256 U CN201920222256 U CN 201920222256U CN 210221792 U CN210221792 U CN 210221792U
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Abstract
The utility model provides a product side defect detection device, which is used for detecting the side of a part and comprises a frame main body, a transmission unit, an illumination unit, a rotating mechanism, an image acquisition unit and a data processing unit, wherein the frame main body is used for bearing the part arranged on the frame main body; the conveying unit conveys the workpiece to be detected; the illumination unit provides illumination for defect detection; the transmission unit transmits the part to the ejector rod for fixing, and the ejector rod drives the part to rotate; the image acquisition unit is located the side of this rotary mechanism, and when this rotary mechanism drove this part and rotates, this image acquisition unit gathered the image of this part side, and data processing unit the image that image acquisition unit gathered carries out calculation processing. The utility model discloses a non-contact automated inspection can not cause damage and measured uniformity very high to the measurement object, effectively improves the stability of measurement of efficiency and conveying.
Description
Technical Field
The invention relates to the field of optical automatic detection, in particular to an automatic detection device for side surface defects of a circular part.
Background
With the increasing requirements of people on product quality, the appearance quality becomes an important factor for consumers to select products, in industrial production, the detection of the surface quality of parts is an important link for ensuring the product quality, and the traditional mode of defects on the side surfaces of round parts is mostly directly identified by naked eyes, so that the whole production line is long and huge; moreover, since each process step is manually completed, and the detection level of workers depends on the working experience, environment and physical conditions of the day, a plurality of experienced detection workers are arranged to sequentially detect in each process step to prevent false detection and missed detection, which causes a great deal of waste of personnel. Therefore, the detection efficiency is low, the detection labor intensity is high, the visual fatigue is easily caused by the long-time manual work, the detection precision is low, although various related detection devices appear on the market, the existing detection devices are complex in structure and high in manufacturing cost, and the error reporting rate of the detection of the internal defects, the hole edge defects and the side edge defects of the products is extremely high.
Therefore, the circular part side defect detection method has the advantages of no contact, no damage, high efficiency, low false detection rate, online real-time performance and the like, and can greatly improve the production efficiency and the product quality. In the detection process, how to realize the nondestructive detection of the parts, the measurement precision is high, the omission is not easy, the transportation is stable, and the product quality is improved becomes a key technical problem.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an automatic detection device for a side surface of a circular part, which has high measurement accuracy and is not easy to miss detection.
The technical scheme adopted by the invention for solving the defects of the prior art is as follows: an automatic detecting device for side defect of a product, which is used for detecting the side of a part, and comprises:
a frame main body for carrying parts disposed thereon;
the conveying unit is arranged at the upper end of the rack main body and is used for conveying the workpiece to be detected;
the illumination unit is arranged on the rack main body and used for providing illumination for defect detection;
the rotating mechanism is arranged on the rack main body, a top rod is arranged on the rotating mechanism, the part is conveyed to the top rod by the conveying unit and fixed, and the part is driven to rotate by the top rod;
the image acquisition unit is arranged on the rack main body and positioned on the side surface of the rotating mechanism, and when the rotating mechanism drives the part to rotate, the image acquisition unit acquires an image of the side surface of the part;
and the data processing unit is connected with the image acquisition unit and used for calculating and processing the image acquired by the image acquisition unit.
In particular, the rotary mechanism further comprises a cylinder and a motor.
Particularly, the cylinder is connected with the ejector rod, and the cylinder is lifted and communicated with vacuum, so that the ejector rod generates suction to fix the part.
In particular, the rotating mechanism also comprises a magnetic wheel which drives the ejector rod to rotate.
In particular, the part is circular or ring-shaped.
Compared with the prior art, the automatic detection device for the side defect of the product, disclosed by the invention, has the advantages that the rotating mechanism is arranged for receiving the part to be detected transmitted by the transmission unit and fixing the part to be detected on the ejector rod, the ejector rod drives the part to be detected to rotate, the image acquisition unit acquires the image of the side surface of the part, the automatic detection of the side defect of the part is realized, the defects of low detection precision, low efficiency and easiness in missed detection in the prior art are avoided, the side defect of the part is quickly detected, the measurement precision is high, the efficiency is improved, the missed detection rate is low, the labor is saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an automatic side defect detecting apparatus according to an embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
Referring to fig. 1, which is a schematic view of an embodiment of an automatic side defect detection apparatus according to the present invention, as shown in the figure, the apparatus includes a rack main body 1, a conveying unit 2, an illumination unit 3, a rotation mechanism 4, an image acquisition unit 5, and a data processing unit (not shown), wherein the rack main body 1 is used for bearing a part (not shown) disposed thereon; a transfer unit 2 disposed at an upper end of the frame body 1 for transferring the parts;
the illumination unit 3 is arranged on the rack main body 1 and used for providing illumination for defect detection; the rotating mechanism 4 is arranged on the frame main body 1, a top rod 42 is arranged on the rotating mechanism, the conveying unit 2 conveys the part to the top rod 42 for fixing, and the top rod 42 drives the part to rotate; the image acquisition unit 5 is arranged on the rack main body 1 and is positioned on the side surface of the rotating mechanism 4, and when the rotating mechanism 4 drives the part to rotate, the image acquisition unit 5 acquires an image of the side surface of the part; the data processing unit is connected with the image acquisition unit 5 and is used for calculating and processing the image acquired by the image acquisition unit 5.
In this embodiment, the rotating mechanism 4 further includes an air cylinder 43, a motor 44 and a magnetic wheel 45, wherein the air cylinder 43 is connected to the push rod 42, when in use, the air cylinder 43 is lifted and vacuumized to make the push rod 42 generate a suction force to fix the component, and the rotating mechanism 4 further includes a magnetic wheel 45, and the magnetic wheel 45 drives the push rod 42 to rotate.
In this embodiment, the part is circular or ring-shaped.
The data processing unit described in this embodiment may be a general-purpose computer with data processing software, or a dedicated data processor, and the control unit is an industrial personal computer based on a programmable Logic controller (plc), which is a mature technology in the prior art, and therefore, it is not described herein again.
The detection process of the embodiment is as follows: the conveying unit 2 conveys the part to the upper part of the ejector rod 42 of the rotating mechanism 4, then the cylinder 43 lifts up and vacuumizes to enable the ejector rod 42 to suck the part, the rotating mechanism 4 controls the motor 44 to rotate, the ejector rod 42 is driven to rotate through the magnetic wheel 45, the part rotates along with the rotation, the image acquisition unit 5 is fixed on the side surface of the rotating mechanism 4 to acquire the image of the side surface of the part, and finally the data processing unit calculates and processes the image acquired by the image acquisition unit 5 to determine the defect type, size and position, so that the side surface defect of the part is quickly detected, meanwhile, the measuring precision is high, the efficiency is improved, and the omission ratio is low, and therefore the purpose of the invention can be achieved.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and the accompanying drawings are only by way of example and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (5)
1. A product side defect inspection apparatus for inspecting the side of a part, the apparatus comprising:
a frame main body for carrying parts disposed thereon;
the transmission unit is arranged at the upper end of the rack main body and is used for transmitting the compaction;
the illumination unit is arranged on the rack main body and used for providing illumination for defect detection;
the rotating mechanism is arranged on the rack main body, a top rod is arranged on the rotating mechanism, the part is conveyed to the top rod by the conveying unit and fixed, and the part is driven to rotate by the top rod;
the image acquisition unit is arranged on the rack main body and positioned on the side surface of the rotating mechanism, and when the rotating mechanism drives the part to rotate, the image acquisition unit acquires an image of the side surface of the part;
and the data processing unit is connected with the image acquisition unit and used for calculating and processing the image acquired by the image acquisition unit.
2. The apparatus for detecting defects on the side surfaces of a product according to claim 1, wherein the rotating mechanism further comprises a cylinder and a motor.
3. The apparatus of claim 2, wherein the cylinder is connected to the rod, and the cylinder is lifted and vacuumized to generate a suction force on the rod for fixing the part.
4. The apparatus of claim 3, wherein the rotation mechanism further comprises a magnetic wheel, and the magnetic wheel drives the rod to rotate.
5. The apparatus of claim 4, wherein the part is circular or ring-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222256.5U CN210221792U (en) | 2019-02-22 | 2019-02-22 | Product side defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222256.5U CN210221792U (en) | 2019-02-22 | 2019-02-22 | Product side defect detection device |
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| CN210221792U true CN210221792U (en) | 2020-03-31 |
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| CN201920222256.5U Active CN210221792U (en) | 2019-02-22 | 2019-02-22 | Product side defect detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738363A (en) * | 2019-02-22 | 2019-05-10 | 深圳精创视觉科技有限公司 | Product side defect detecting device |
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- 2019-02-22 CN CN201920222256.5U patent/CN210221792U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738363A (en) * | 2019-02-22 | 2019-05-10 | 深圳精创视觉科技有限公司 | Product side defect detecting device |
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