CN115488059A - Hexagonal nut surface defect detection device and detection method thereof - Google Patents
Hexagonal nut surface defect detection device and detection method thereof Download PDFInfo
- Publication number
- CN115488059A CN115488059A CN202211163999.2A CN202211163999A CN115488059A CN 115488059 A CN115488059 A CN 115488059A CN 202211163999 A CN202211163999 A CN 202211163999A CN 115488059 A CN115488059 A CN 115488059A
- Authority
- CN
- China
- Prior art keywords
- hexagonal nut
- hexagonal
- nuts
- unit
- camera
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a hexagonal nut surface defect detection device and a detection method thereof, and the hexagonal nut surface defect detection device comprises a feeding unit, a detection unit, a processing unit and a sorting unit, wherein the feeding unit conveys a hexagonal nut to the detection unit, the detection unit collects a surface image of the hexagonal nut conveyed by the feeding unit and sends the collected surface image of the hexagonal nut to the processing unit, the processing unit is used for receiving the surface image of the hexagonal nut sent by the detection unit, comparing the received surface image of the hexagonal nut with a template image of a hexagonal nut surface defect image, distinguishing a qualified hexagonal nut from an unqualified hexagonal nut, and sending the distinguished qualified or unqualified result data to the sorting unit; the sorting unit is used for receiving result data of the hexagonal nuts which are qualified or unqualified and sent by the processing unit, and sorting the hexagonal nuts according to the result data, so that automation of hexagonal nut surface defect detection is realized, and the detection efficiency and the detection precision are greatly improved.
Description
Technical Field
The invention relates to the technical field of defect detection, in particular to a hexagonal nut surface defect detection device and a detection method thereof.
Background
Nuts are widely used in various industries as a basic part for assembling machine parts. Due to different requirements of various industries, the material, specification and technical requirements of the nuts are different, so that the nuts on the market are various in variety. Nuts produced in large quantities by an automated production line inevitably have some rejects due to equipment factors or operator mishandling, and generally, typical surface defects of nuts are:
1) Surface cracks, such as quench cracks, which are mainly due to mishandling during heat treatment, the stress generated during quenching is greater than the strength of the nut itself and exceeds the plastic deformation, resulting in surface cracks;
2) Slag inclusion cracks, which are mainly caused by the cracking of the raw materials due to inherent non-metallic slag inclusion;
3) Surface wrinkles, which are mainly caused by material displacement at or near the intersection of the diameter changes, or the top or bottom surface of the nut during forging;
4) Surface pitting, which is mainly a failure of the metal to fill up during forging or marking or coining due to cutting or shearing burrs, causes pitting or dimpling of the nut surface.
Although nut manufacturers continuously optimize the nut production process, the occurrence of unqualified nuts is reduced as much as possible, and the qualification rate is kept at a higher value, the quality detection of the nuts is still an important ring, the traditional nut surface defect detection is mainly finished manually, whether the nuts have defects is determined by a visual observation mode, but the nut production base number is large, the time and labor are wasted when the comprehensive detection of the nut defects is realized manually, and the detection efficiency is lower; meanwhile, the subjective factors of manual detection are large, and false detection or missing detection often occurs.
Disclosure of Invention
The device and the method for detecting the surface defects of the hexagon nuts solve the problems that the existing nut surface defect detection is time-consuming and labor-consuming through manual work, the detection efficiency is low, and false detection and missing detection are easy to occur, realize automation of nut surface defect detection, and greatly improve the detection efficiency and the detection precision.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention discloses a hexagonal nut surface defect detection device which comprises a feeding unit, a detection unit, a processing unit and a sorting unit, wherein the feeding unit is used for conveying hexagonal nuts to the detection unit, the feeding unit comprises a vibration disc and a conveying track, a storage cavity and a feeding track are formed on the vibration disc, and the feeding track is spirally arranged in an ascending manner along the circumferential direction of the storage cavity; the conveying track is connected to the discharge hole of the vibrating disc and is used for conveying the hexagonal nuts flowing out of the discharge hole of the vibrating disc to the detection unit; the detection unit is used for collecting surface images of the hexagon nuts conveyed by the feeding unit and sending the collected surface images of the hexagon nuts to the processing unit, the detection unit comprises a conveying belt, a feeding baffle module, a second photoelectric sensor, a first mechanical arm, an image collecting module and a second mechanical arm, specifically, the conveying belt abuts against the conveying track and is driven by a stepping motor, and a first photoelectric sensor is fixedly arranged at one end, close to the conveying track, of the conveying belt and used for detecting whether the hexagon nuts are conveyed to the conveying belt or not; the feeding baffle plate module comprises an air cylinder and a baffle plate, the baffle plate is fixed on the output circumference of the air cylinder, and when the first photoelectric sensor detects that a hexagon nut is conveyed to the conveyor belt, the output circumference of the air cylinder pushes the baffle plate to extend out so as to separate the conveying track from the conveyor belt; the second photoelectric sensor is used for detecting whether the hexagon nut is conveyed to the detection area, when the second photoelectric sensor detects that the hexagon nut is conveyed to the detection area, the stepping motor stops, and the conveyor belt stops conveying; the first manipulator is used for adjusting the position and the posture of the hexagonal nut conveyed to the detection area, and is fixed above the conveying belt;
the image acquisition module is used for acquiring images of the upper surface, the lower surface and the side surfaces of the hexagon nut, and comprises a first camera, a second camera and a third camera, wherein the first camera is fixedly arranged on the end surface, facing the conveyor belt, of the first manipulator and is used for acquiring images of the upper surface and the lower surface of the hexagon nut; the second camera is fixedly arranged on one side of the conveyor belt and used for acquiring a side image of the hexagon nut; the third camera is fixedly arranged on one side opposite to the second camera; the second manipulator is used for turning the hexagon nut positioned in the detection area;
the processing unit is used for receiving the surface image of the hexagonal nut sent by the detection unit, comparing the received surface image of the hexagonal nut with the template image of the surface defect image of the hexagonal nut, distinguishing qualified hexagonal nuts from unqualified hexagonal nuts, and sending the distinguished qualified or unqualified result data to the sorting unit; the sorting unit is used for receiving qualified or unqualified result data of the hexagon nuts sent by the processing unit and sorting the hexagon nuts according to the result data, and comprises a sorting baffle, a sorting baffle motor, a qualified product conveying belt, a qualified product storage box, an unqualified product conveying belt and an unqualified product storage box, wherein the sorting baffle motor drives the baffle to rotate for a certain angle according to the qualified or unqualified result data sent by the processing unit, so that the qualified hexagon nuts are conveyed to the qualified product storage box through the qualified product conveying belt, and the unqualified hexagon nuts are conveyed to the unqualified product storage box through the unqualified product conveying belt.
Further, the automatic sorting machine further comprises a base, and the feeding unit, the detecting unit, the processing unit and the sorting unit are all fixed on the base.
Furthermore, a limiting baffle is arranged on the conveying track and used for limiting the stroke of the hexagonal nut on the conveying track.
Furthermore, the detection unit further comprises a light supplementing light source for providing light supplementing when the light in the detection area is dark.
Further, the first manipulator is a three-cycle manipulator.
Further, the second manipulator is a three-cycle manipulator.
The invention discloses a detection method of a hexagonal nut surface defect detection device, which comprises the following steps:
conveying the hexagonal nuts onto a conveying belt through a vibration disc and a conveying rail;
when the first photoelectric sensor detects that the hexagon nut is conveyed onto the conveying belt, the output circumference of the cylinder pushes the baffle plate to extend out so as to separate the conveying track from the conveying belt;
when the second photoelectric sensor detects that the hexagon nut is conveyed to the detection area, the stepping motor stops, the conveyor belt stops conveying, and the first manipulator performs position and posture adjustment operation on the hexagon nut located in the detection area, so that the side face of the hexagon nut is opposite to the second camera and the third camera;
the first camera acquires images of the upper surface of the hexagon nut, and the second camera and the third camera acquire images of the side surface of the hexagon nut and send the images to the processing unit;
the first manipulator rotates the hexagon nut at a certain angle, and the second camera and the third camera continue to acquire images of the side face of the hexagon nut and send the images to the processing unit;
the second manipulator overturns the hexagon nut positioned in the detection area, and the first camera acquires an image of the hexagon nut facing the surface of the first camera and sends the image to the processing unit;
the processing unit receives the surface images of the upper surface, the lower surface and the side surfaces of the hexagonal nut, which are sent by the detection unit, compares the received surface images with the template images of the hexagonal nut surface defect images, distinguishes qualified hexagonal nuts from unqualified hexagonal nuts, and sends the distinguished qualified or unqualified result data to the sorting unit;
the sorting unit receives qualified or unqualified result data of the hexagon nuts sent by the processing unit, and drives the baffle to rotate for a certain angle according to the received result data, so that the qualified hexagon nuts are conveyed to a qualified product storage box through the qualified product conveying belt, and the unqualified hexagon nuts are conveyed to an unqualified product storage box through the unqualified product conveying belt.
The beneficial technical effects are as follows:
the invention discloses a hexagonal nut surface defect detection device and a detection method thereof, and the hexagonal nut surface defect detection device comprises a feeding unit, a detection unit, a processing unit and a sorting unit, wherein the feeding unit is used for conveying a hexagonal nut to the detection unit; the sorting unit is used for receiving result data of the hexagonal nuts which are qualified or unqualified and sent by the processing unit, and sorting the hexagonal nuts according to the result data, so that automation of hexagonal nut surface defect detection is realized, and the detection efficiency and the detection precision are greatly improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic overall structure diagram of a hexagonal nut surface defect detection device according to the present invention;
FIG. 2 is a schematic view of the internal structure of the hexagonal nut surface defect detecting apparatus according to the present invention after the casing is removed;
fig. 3 is a schematic structural diagram of a detection unit and a sorting unit in the hexagonal nut surface defect detection according to the present invention;
fig. 4 is a flowchart illustrating steps of a method for detecting surface defects of a hexagon nut according to the present invention.
The automatic sorting machine comprises a vibrating disk 11, a material storage cavity 111, a feeding track 112, a conveying track 12, a limiting baffle 121, a conveying belt 21, a feeding baffle module 22, a cylinder 221, a baffle 222, a first photoelectric sensor 23, a second photoelectric sensor 24, a first manipulator 25, an image acquisition module 26, a first camera 261, a second camera 262, a third camera 263, a second manipulator 27, a light supplementing light source 28, a sorting baffle 41, a baffle motor 42, a qualified product conveying belt 43, a qualified product storage box 44, a unqualified product conveying belt 45 and an unqualified product storage box 46.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention discloses a hexagonal nut surface defect detection device on one hand, which is shown in a figure 1-figure 2, and concretely comprises a feeding unit, a detection unit, a processing unit and a sorting unit, wherein the feeding unit is used for conveying a hexagonal nut to the detection unit, the detection unit is used for collecting a surface image of the hexagonal nut conveyed by the feeding unit and sending the collected surface image of the hexagonal nut to the processing unit, the processing unit is used for receiving the surface image of the hexagonal nut sent by the detection unit and comparing the received surface image of the hexagonal nut with a template image of the hexagonal nut surface defect image, so that a qualified hexagonal nut and an unqualified hexagonal nut are distinguished, and qualified or unqualified result data is sent to the sorting unit; the sorting unit is used for receiving result data of the hexagonal nuts which are qualified or unqualified and sent by the processing unit, and sorting the hexagonal nuts according to the result data, so that automation of hexagonal nut surface defect detection is realized, the detection efficiency is high, and the detection precision is high.
As a preferred embodiment of the invention, the detection device further comprises a base 5, and the feeding unit, the detection unit, the processing unit and the sorting unit are all fixedly arranged on the base 5.
The respective units constituting the surface defect detecting apparatus for a hexagonal nut will be described in detail below.
Feeding unit
The feeding unit is used for conveying the hexagon nuts to the detection unit and comprises a vibration disc 11 and a conveying track 12, a material storage cavity 111 and a feeding track 112 are formed on the vibration disc 11, and the feeding track 112 is spirally arranged along the circumferential direction of the material storage cavity 111 in a lifting mode; the conveying track 12 is connected to the discharge port of the vibrating tray 11 for conveying the hexagon nuts flowing out of the discharge port of the vibrating tray 11 to the detection unit, preferably, the conveying track 12 is provided with limit baffles 121 for limiting the travel of the hexagon nuts on the conveying track 12, it can be understood that the distance between the limit baffles 121 can be adjusted to a certain extent according to different specifications of the nuts to be detected, and the position of the nuts is limited between the limit baffles 121.
Detection unit
The detection unit is used for collecting the surface image of the hexagon nut conveyed by the feeding unit and sending the collected surface image of the hexagon nut to the processing unit, referring to fig. 3, the detection unit comprises a conveyor belt 21, a feeding baffle module 22, a first photoelectric sensor 23, a second photoelectric sensor 24, a first manipulator 25, an image collecting module 26 and a second manipulator 27, specifically, the conveyor belt 21 abuts against the conveying track 12 and is driven by a stepping motor, and the first photoelectric sensor 23 is fixedly arranged at one end, close to the conveying track 12, of the conveyor belt 21 and used for detecting whether the hexagon nut is conveyed onto the conveyor belt 21; the feeding baffle plate module comprises an air cylinder 221 and a baffle plate 222, the baffle plate 222 is fixed on an output shaft of the air cylinder 221, and when the first photoelectric sensor 23 detects that a hexagon nut is conveyed to the conveyor belt 21, the output shaft of the air cylinder 221 pushes the baffle plate 222 to extend out so as to separate the conveying track 12 from the conveyor belt 21; the second photoelectric sensor 24 is used for detecting whether the hexagon nut is conveyed to the detection area, when the second photoelectric sensor 24 detects that the hexagon nut is conveyed to the detection area, the stepping motor stops, and the conveyor belt 21 stops conveying; the first manipulator 25 is used for adjusting the position and the posture of the hexagon nut conveyed to the detection area, the first manipulator 25 is fixed above the conveyor belt 21, and preferably, the first manipulator 25 is a three-axis manipulator; the image acquisition module 26 is used for acquiring images of the upper surface, the lower surface and the side surface of the hexagon nut, the image acquisition module 26 includes a first camera 261, a second camera 262 and a third camera 263, the first camera 261 is fixedly installed on the end surface of the first manipulator 26 facing the conveyor belt 21 and is used for acquiring images of the upper surface and the lower surface of the hexagon nut; the second camera 262 is fixedly installed at one side of the conveyor belt 21 to obtain a side image of the hexagon nut; the third camera 263 is fixedly installed at a side opposite to the second camera 262; the second robot 27 is used to turn the hexagon nut located in the detection area, and preferably, the second robot 27 is also a three-axis robot.
As a preferred embodiment of the present invention, the detecting unit further includes a supplementary lighting source 28 for providing supplementary lighting when the detecting area is dark.
Processing unit
The processing unit is used for receiving the surface image of the hexagon nut sent by the detection unit, comparing the received surface image of the hexagon nut with a template image of a surface defect image of the hexagon nut, distinguishing qualified hexagon nuts from unqualified hexagon nuts, and sending the qualified or unqualified result data which is distinguished to the sorting unit.
Sorting unit
The letter sorting unit is used for receiving the qualified or unqualified result data of hexagon nut that the processing unit sent, and sort hexagon nut according to the result data, see fig. 3, the letter sorting unit includes letter sorting baffle 41, letter sorting baffle motor 42, certified products conveyer belt 43, certified products receiver 44, defective products conveyer belt 45 and defective work receiver 46, letter sorting baffle motor drives baffle 41 rotatory certain angle according to the qualified or unqualified result data that the processing unit sent, make qualified hexagon nut carry to certified products receiver 44 through certified products conveyer belt 43, make unqualified hexagon nut carry to defective products receiver 46 through defective products conveyer belt 45.
The invention discloses a detection method of a hexagonal nut surface defect detection device on the other hand, which specifically comprises the following steps with reference to fig. 4:
s1: the hexagonal nuts are conveyed to the conveying belt 21 through the vibrating disc 11 and the conveying rail 12;
s2: when the first photoelectric sensor 23 detects that the hexagon nuts are conveyed to the conveyor belt 21, the output circumference of the cylinder 221 pushes the baffle 222 to extend out so as to separate the conveying rail 12 from the conveyor belt 21;
s3: when the second photoelectric sensor 24 detects that the hexagon nut is conveyed to the detection area, the stepping motor stops, the conveyor belt 21 stops conveying, and the first manipulator 25 performs position and posture adjustment operations on the hexagon nut located in the detection area, so that the side surface of the hexagon nut faces the second camera 262 and the third camera 263;
s4: the first camera 261 acquires an image of the upper surface of the hexagon nut, and the second camera 262 and the third camera 263 acquire images of the side surface of the hexagon nut and send the images to the processing unit;
s5: the first manipulator 25 rotates the hexagon nut by a certain angle, and the second camera 262 and the third camera 263 continue to acquire images of the side surface of the hexagon nut and send the images to the processing unit;
s6: the second manipulator 27 overturns the hexagon nut located in the detection area, and the first camera 261 acquires an image of the hexagon nut facing the surface of the first camera 261 and sends the image to the processing unit;
s7: the processing unit receives the surface images of the upper surface, the lower surface and the side surface of the hexagon nut, which are sent by the detection unit, compares the received surface images with the template images of the surface defect images of the hexagon nut, distinguishes the qualified hexagon nut from the unqualified hexagon nut, and sends the distinguished qualified or unqualified result data to the sorting unit;
s8: the sorting unit receives the qualified or unqualified result data of the hexagonal nuts sent by the processing unit, and drives the baffle 41 to rotate for a certain angle according to the received result data, so that the qualified hexagonal nuts are conveyed to the qualified product storage box 44 through the qualified product conveying belt 43, and the unqualified hexagonal nuts are conveyed to the unqualified product storage box 46 through the unqualified product conveying belt 45.
The hexagonal nut surface defect detection device and the hexagonal nut surface defect detection method disclosed by the invention have the advantages that the automation of hexagonal nut surface defect detection is realized, the detection efficiency is high, the detection precision is high, and the application and the realization are easy.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a hexagon nut surface defect detection device which characterized in that includes:
the feeding unit is used for conveying the hexagon nuts to the detection unit and comprises a vibration disc (11) and a conveying track (12), a material storage cavity (111) and a feeding track (112) are formed in the vibration disc (11), and the feeding track (112) is spirally arranged in a lifting mode along the circumferential direction of the material storage cavity (111); the conveying track (12) is connected to the discharge hole of the vibrating disc (11) and is used for conveying the hexagonal nuts flowing out of the discharge hole of the vibrating disc (11) to the detection unit;
the detecting unit is used for collecting the surface image of the hexagonal nut conveyed by the feeding unit and sending the collected surface image of the hexagonal nut to the processing unit, and the detecting unit comprises:
the conveying belt (21) abuts against the conveying track (12) and is driven by a stepping motor, and a first photoelectric sensor (23) is fixedly arranged at one end, close to the conveying track (12), of the conveying belt (21) and used for detecting whether hexagonal nuts are conveyed onto the conveying belt (21) or not;
the feeding baffle plate module (22) comprises an air cylinder (221) and a baffle plate (222), the baffle plate (222) is fixed on the output circumference of the air cylinder (221), and when the first photoelectric sensor (23) detects that hexagonal nuts are conveyed onto the conveyor belt (21), the output circumference of the air cylinder (221) pushes the baffle plate (222) to extend out so as to separate the conveying track (12) from the conveyor belt (21);
the second photoelectric sensor (24) is used for detecting whether the hexagon nuts are conveyed to the detection area or not, when the second photoelectric sensor (24) detects that the hexagon nuts are conveyed to the detection area, the stepping motor stops, and the conveyor belt (21) stops conveying;
the first mechanical arm (25) is used for adjusting the position and the posture of the hexagonal nut conveyed to the detection area, and the first mechanical arm (25) is fixed above the conveying belt (21);
the image acquisition module (26) is used for acquiring images of the upper surface, the lower surface and the side surfaces of the hexagonal nut, the image acquisition module (26) comprises a first camera (261), a second camera (262) and a third camera (263), and the first camera (261) is fixedly installed on the end surface, facing the conveyor belt (21), of the first manipulator (26) and used for acquiring images of the upper surface and the lower surface of the hexagonal nut; the second camera (262) is fixedly arranged on one side of the conveyor belt (21) and is used for acquiring a side image of the hexagon nut; the third camera (263) is fixedly arranged at one side opposite to the second camera (262);
the second manipulator (27) is used for turning the hexagonal nut positioned in the detection area;
the processing unit is used for receiving the surface image of the hexagonal nut sent by the detection unit, comparing the received surface image of the hexagonal nut with the template image of the surface defect image of the hexagonal nut, distinguishing qualified hexagonal nuts from unqualified hexagonal nuts, and sending the distinguished qualified or unqualified result data to the sorting unit;
the sorting unit is used for receiving qualified or unqualified result data of the hexagon nuts sent by the processing unit and sorting the hexagon nuts according to the result data, and comprises a sorting baffle (41), a sorting baffle motor (42), a qualified product conveying belt (43), a qualified product storage box (44), an unqualified product conveying belt (45) and an unqualified product storage box (46), wherein the sorting baffle motor drives the baffle (41) to rotate for a certain angle according to the qualified or unqualified result data sent by the processing unit, so that the qualified hexagon nuts are conveyed to the qualified product storage box (44) through the qualified product conveying belt (43), and the unqualified hexagon nuts are conveyed to the unqualified product storage box (46) through the unqualified product conveying belt (45).
2. The hexagonal nut surface defect detecting device of claim 1, further comprising a base (5), wherein the feeding unit, the detecting unit, the processing unit and the sorting unit are all fixed on the base (5).
3. The hexagonal nut surface defect detecting device as claimed in claim 1, wherein a limit stop (121) is disposed on the conveying track (12) for limiting the travel of the hexagonal nut on the conveying track (12).
4. The device for detecting the surface defects of the hexagonal nut as claimed in claim 1, wherein the detection unit further comprises a light supplementary light source for providing light supplementary when the detection area is dark.
5. A hexagonal nut surface defect detecting device according to claim 1, characterized in that the first robot (25) is a three-cycle robot.
6. A hexagonal nut surface defect inspection device according to claim 1, characterized in that the second robot (27) is a three-cycle robot.
7. The method for detecting the surface defect detection device of the hexagonal nut as claimed in any one of claims 1 to 6, comprising the steps of:
the hexagonal nuts are conveyed to a conveying belt (21) through a vibration disc (11) and a conveying track (12);
when the first photoelectric sensor (23) detects that the hexagonal nuts are conveyed to the conveyor belt (21), the output circumference of the cylinder (221) pushes the baffle (222) to extend out so as to separate the conveying track (12) from the conveyor belt (21);
when the second photoelectric sensor (24) detects that the hexagonal nut is conveyed to the detection area, the stepping motor stops, the conveyor belt (21) stops conveying, and the first mechanical arm (25) performs position and posture adjustment operation on the hexagonal nut located in the detection area, so that the side face of the hexagonal nut is over against the second camera (262) and the third camera (263);
the first camera (261) acquires images of the upper surface of the hexagonal nut, and the second camera (262) and the third camera (263) acquire images of the side surface of the hexagonal nut and send the images to the processing unit;
the first mechanical arm (25) rotates the hexagonal nut at a certain angle, and the second camera (262) and the third camera (263) continue to acquire images of the side face of the hexagonal nut and send the images to the processing unit;
the second manipulator (27) overturns the hexagon nut positioned in the detection area, and the first camera (261) acquires an image of the hexagon nut facing the surface of the first camera (261) and sends the image to the processing unit;
the processing unit receives the surface images of the upper surface, the lower surface and the side surfaces of the hexagonal nut, which are sent by the detection unit, compares the received surface images with the template images of the hexagonal nut surface defect images, distinguishes qualified hexagonal nuts from unqualified hexagonal nuts, and sends the distinguished qualified or unqualified result data to the sorting unit;
the sorting unit receives the qualified or unqualified result data of the hexagonal nuts sent by the processing unit, and drives the baffle (41) to rotate by a certain angle according to the received result data, so that the qualified hexagonal nuts are conveyed to the qualified product storage box (44) through the qualified product conveying belt (43), and the unqualified hexagonal nuts are conveyed to the unqualified product storage box (46) through the unqualified product conveying belt (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163999.2A CN115488059A (en) | 2022-09-23 | 2022-09-23 | Hexagonal nut surface defect detection device and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163999.2A CN115488059A (en) | 2022-09-23 | 2022-09-23 | Hexagonal nut surface defect detection device and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115488059A true CN115488059A (en) | 2022-12-20 |
Family
ID=84470809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211163999.2A Withdrawn CN115488059A (en) | 2022-09-23 | 2022-09-23 | Hexagonal nut surface defect detection device and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115488059A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115945404A (en) * | 2023-02-15 | 2023-04-11 | 苏州天准科技股份有限公司 | Defect detection equipment and detection method |
| CN117465929A (en) * | 2023-09-21 | 2024-01-30 | 无锡超捷汽车连接技术有限公司 | Continuous feeding device for detecting internal thread products |
| CN117816558A (en) * | 2023-01-04 | 2024-04-05 | 中山市粤为科技有限公司 | Lock beam detector and detection method |
-
2022
- 2022-09-23 CN CN202211163999.2A patent/CN115488059A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816558A (en) * | 2023-01-04 | 2024-04-05 | 中山市粤为科技有限公司 | Lock beam detector and detection method |
| CN115945404A (en) * | 2023-02-15 | 2023-04-11 | 苏州天准科技股份有限公司 | Defect detection equipment and detection method |
| CN115945404B (en) * | 2023-02-15 | 2023-06-27 | 苏州天准科技股份有限公司 | Defect detection equipment and detection method |
| CN117465929A (en) * | 2023-09-21 | 2024-01-30 | 无锡超捷汽车连接技术有限公司 | Continuous feeding device for detecting internal thread products |
| CN117465929B (en) * | 2023-09-21 | 2024-05-24 | 无锡超捷汽车连接技术有限公司 | Continuous feeding device for detecting internal thread products |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115488059A (en) | Hexagonal nut surface defect detection device and detection method thereof | |
| CN103808734B (en) | Auto-parts fully-automated synthesis equipment | |
| CN107063106A (en) | A kind of material detection device | |
| CN111389751B (en) | Belt pulley appearance defect and total height detection equipment and control method thereof | |
| CN210146482U (en) | Automatic detection and sorting device for Brinell hardness of bar | |
| CN111992519A (en) | Programmable digital machine vision detection platform and detection system | |
| CN206594079U (en) | A kind of median segment of cross-flow fan blade defect detecting device | |
| CN114733795A (en) | Crushed material detecting and removing device, detecting and removing method and sorting system | |
| CN220635387U (en) | Visual inspection device for appearance of capacitor | |
| CN110954774B (en) | Test system applied to zinc oxide resistance card | |
| CN211051953U (en) | A on-line monitoring sorting device for pottery brick production | |
| CN112246684A (en) | Automatic detection sorting machine for plug screws | |
| CN203402682U (en) | Material receiving device for chromatic aberration analysis equipment | |
| CN206405057U (en) | Powdered metal parts defect on-line detecting system | |
| CN116078704A (en) | Appearance detection equipment based on CCD | |
| CN206405431U (en) | Powdered metal parts reject collection device | |
| CN212219667U (en) | Automatic change pipe fitting and beat device of marking | |
| CN113188414A (en) | Automatic detection line for motor rotor iron core | |
| CN206643023U (en) | A kind of container standard specification on-line detecting system based on opto-electronic trigger signal | |
| CN217654463U (en) | Detection apparatus for drum pipe material | |
| CN108838370A (en) | A kind of aluminium diecasting apparatus for automatically sorting | |
| CN212442116U (en) | Glass dish material letter sorting equipment based on visual detection technique | |
| CN117943825B (en) | Bolt assembly machine capable of detecting integrity and preventing accidental injury of bolts and assembly method | |
| CN219694119U (en) | Automatic inner diameter detection device | |
| CN218655598U (en) | Bead visual screening machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221220 |
|
| WW01 | Invention patent application withdrawn after publication |