CN213335969U - Ccd vision detection device - Google Patents
Ccd vision detection device Download PDFInfo
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- CN213335969U CN213335969U CN202022446996.2U CN202022446996U CN213335969U CN 213335969 U CN213335969 U CN 213335969U CN 202022446996 U CN202022446996 U CN 202022446996U CN 213335969 U CN213335969 U CN 213335969U
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Abstract
This scheme belongs to visual detection equipment field, discloses a ccd visual detection device. Which comprises a frame, be equipped with feed plate, mounting panel, pneumatic cylinder and computer control case in the frame, be equipped with the ccd camera on the mounting panel, ccd camera both sides are equipped with photoelectric sensor, be equipped with conveyer under the ccd camera, the ccd camera includes first ccd camera and the second ccd camera that the diameter ratio screw hole is little, be equipped with pressure sensors on the second ccd camera, be equipped with the cylinder on the mounting panel, be equipped with the base on the piston rod of cylinder, base and second ccd camera swivelling joint, photoelectric sensor, conveyer, cylinder, pneumatic cylinder, pressure sensors, first ccd camera and second ccd camera respectively with computer control case electric connection. Through this ccd visual detection device, can detect the part that has the screw hole, very high-efficient and accurate sifts out unqualified part in the part, has improved the work efficiency of part screening.
Description
Technical Field
This scheme belongs to visual detection equipment field, concretely relates to ccd visual detection device.
Background
Parts with threaded holes are often used in the mechanical assembly process, and the parts have strict requirements on the external shape size, the position and the depth of the threaded holes in industrial production, so that the mechanical processing and the topography measurement are difficult. And the inferior quality of the material of the individual parts may cause the parts to crack during the tapping process. It is also possible that errors in the machining process may result in the threaded hole in the part not being in the designated location. Therefore, the parts need to be detected after being produced, and whether the parts are qualified or not is judged. The main detection contents are whether the appearance of the part is complete and has no crack, whether the position of a threaded hole is correct, whether the thread in the hole is complete and whether the depth of the thread in the hole meets the requirements.
The patent with publication number CN209736110U discloses a CCD visual inspection device, which comprises a frame and is characterized in that a workbench is installed at the top of the frame, a support column is installed on one side of the top of the workbench, a slide rail is installed at the top of the support column, a slide block is arranged at the bottom of the slide rail, a threaded hole is formed in the slide block, a threaded rod is arranged in the threaded hole, one end of the threaded rod is movably connected with the support column, the other end of the threaded rod is fixedly connected with an output shaft of a motor, the motor is fixedly installed on one side of the bottom of a top plate slide rail, an installation plate is installed at the bottom of the slide block, a CCD camera is installed in the middle of the top of the installation plate, spotlights are installed on two sides of the bottom of the slide block, photoelectric sensors are mounted on two sides of the material pushing plate, a first material guide plate is arranged on one side, which is not adjacent to the support column, of the conveying device, an unqualified product collecting box is arranged below the first material guide plate, a second material guide plate is arranged on the tail portion of the conveying device, a qualified product collecting box is arranged below the second material guide plate, a computer display screen and a control panel are mounted on one side of the support column, a computer host is arranged in the rack, and the computer display screen, the control panel, the motor, the material pushing cylinder, the photoelectric sensors and the conveying device are respectively electrically connected with the computer host.
The utility model discloses a although can detect the part, but can only detect the overall dimension of part, then can't detect the degree of depth of its threaded complete degree and screw hole to the part that has the screw hole.
SUMMERY OF THE UTILITY MODEL
This scheme provides a ccd visual detection device to solve prior art and can not detect the degree of depth problem of the screw thread completeness and the screw hole of part screw hole.
In order to achieve the purpose, the scheme provides a ccd vision detection device, which comprises a frame, wherein a feeding plate, a mounting plate and a computer control box are arranged on the frame, a ccd camera is arranged on the mounting plate, photoelectric sensors are arranged on two sides of the ccd camera, a conveying device is arranged under the ccd camera, a hydraulic cylinder is arranged on one side of the conveying device, the ccd camera comprises a first ccd camera and a second ccd camera with a diameter smaller than a threaded hole, the first ccd camera is positioned at the feeding hole end, the second ccd camera is positioned at the discharging hole end, a pressure sensor is arranged on the second ccd camera, a cylinder is arranged on the mounting plate, a base is arranged on a piston rod of the cylinder, the base is rotatably connected with the second ccd camera, the hydraulic cylinder comprises a first hydraulic cylinder and a second hydraulic cylinder, a first push plate is arranged on a piston rod of the first hydraulic cylinder, a second push plate is arranged on a piston rod of the second hydraulic cylinder, the first push plate corresponds to the first ccd camera, the second push plate corresponds to the second ccd camera, and the hydraulic cylinder, the photoelectric sensor, the conveying device, the air cylinder, the pressure sensor, the first ccd camera and the second ccd camera are respectively and electrically connected with the computer control box.
The principle of the scheme is as follows: firstly, the telescopic length of a piston rod on the air cylinder is adjusted, so that the extended length of the piston rod is equal to the depth of the threaded hole. Then starting a device and transmitting the part to be detected to the transmission device through a feeding plate, the transmission device drives the part to move towards a discharging port end, when the part enters the position right below a first ccd camera, photoelectric sensors on two sides of the first ccd camera detect the part and feed signals back to a computer control box, the computer control box starts the first ccd camera to detect the part, the transmission device stops transmitting at the same time, a shot object is converted into an image signal through the first ccd camera and transmitted to a special image processing system, the image signal is converted into a digital signal according to information such as pixel distribution, brightness and color, the image system carries out various operations on the signals to extract characteristics of the object, whether a threaded hole on the part is in the correct position of the part and whether the appearance of the part has a crack or not, when the threaded hole on the part is not in the correct position or the appearance of the part has a crack, and judging that the part is unqualified, starting the first hydraulic cylinder by the computer control box to enable the first push plate to push the part out of the conveying device, and then restoring the first push plate to the position where the part is not started.
When the threaded hole of the part is in the correct position of the part and the shape of the part is intact, the first hydraulic cylinder is not started, the computer control box starts the conveying device to continue conveying, when the part enters the position right below the second ccd camera, the photoelectric sensors on the two sides of the second ccd camera detect the part and feed back signals to the computer control box, the computer control box controls the conveying device to stop conveying, simultaneously, the piston rod of the cylinder is controlled to extend, so that the second ccd camera enters the threaded hole of the part, and the computer control box controls the second ccd camera to rotate in the threaded hole relative to the base, converting the shot target into an image signal through a second ccd camera, transmitting the image signal to a special image processing system, the signals are converted into digital signals according to the information of pixel distribution, brightness, color and the like, and the image system performs various operations on the signals to extract the characteristics of the target and judge whether the threads of the threaded holes on the parts are complete. When the second ccd camera reaches the bottom of the threaded hole, the piston rod on the cylinder is completely extended, the pressure sensor is in contact with the bottom of the threaded hole at the moment, the length of the threaded hole is correct, the pressure sensor feeds back a signal to the computer control box, the computer control box controls the cylinder to enable the piston rod to retract, and the piston rod drives the second ccd camera to move out of the threaded hole of the part. When the threaded hole of the part is complete and the depth is correct, the conveying device continues conveying the part to the discharge port end.
When the second ccd camera detects that the threaded hole in the part is incomplete, the computer control box controls the air cylinder to enable the piston rod to retract, the piston rod drives the second ccd camera to move out of the threaded hole of the part, then the computer control box starts the second hydraulic cylinder to enable the second push plate to push the part out of the conveying device, then the second push plate is restored to the position where the part is not started, and meanwhile the conveying device is started to continue conveying. When the piston rod on the cylinder is completely stretched and the pressure sensor is not in contact with the bottom of the threaded hole, the depth of the threaded hole is larger, the part is unqualified, the computer control box starts the cylinder to enable the piston rod to retract, meanwhile, the computer control box starts the second hydraulic cylinder to enable the second push plate to push the part out of the conveying device, then the second push plate is restored to the un-started position, and meanwhile, the conveying device is started to continue conveying. When the piston rod on the air cylinder is not fully extended, the pressure sensor is in contact with the bottom of the threaded hole, the depth of the threaded hole is small, the part is unqualified, at the moment, the pressure sensor feeds back information to the computer control box, the computer control box controls the piston rod to retract, the computer control box starts the second hydraulic cylinder to enable the second push plate to push the part out of the conveying device, then the second push plate is restored to the un-started position, and meanwhile, the conveying device is started to continue conveying.
The scheme has the beneficial effects that: through this ccd visual detection device, can detect the part that has the screw hole, very high-efficient and accurate sifts out unqualified part in the part, has improved the work efficiency of part screening, and the productivity that has avoided artifical detection to cause is low, the problem that the qualification rate is low.
Furthermore, spotlight is arranged on the first ccd camera and the second ccd camera. The spotlight can make the ccd camera shoot the target more clearly when detecting, and the testing result is more accurate.
Furthermore, one side of the conveying device, which is far away from the push plate, is respectively provided with a first collecting box and a second collecting box, the first collecting box corresponds to the first push plate, and the second collecting box corresponds to the second push plate. The first push plate pushes unqualified parts from the conveying device into the first collecting box, and the second push plate pushes the unqualified parts from the conveying device into the second collecting box. The parts with unqualified appearances and the parts with unqualified threaded holes are classified and recycled, and the subsequent recycling of the unqualified parts is facilitated.
Further, still be equipped with qualified case in the frame, be connected with out the flitch on the qualified case, it is connected with conveyer to go out the flitch. When the part is qualified after first ccd camera and second ccd camera detect, will collect in the qualified incasement through ejection of compact board conveying, the work of the artifical collection in later stage of exempting from has improved work efficiency.
Drawings
Fig. 1 is a front view of the structure of the embodiment of the present invention.
Fig. 2 is a top view of the structure of the embodiment of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a rack 1, a feeding plate 2, a mounting plate 3, a first ccd camera 4, a photoelectric sensor 5, a conveying device 6, a second ccd camera 7, a pressure sensor 8, an air cylinder 9, a piston rod 10, a base 11, a first push plate 12, a second push plate 13, a spotlight 14, a first collecting box 15, a second collecting box 16, a discharging plate 17, a qualified box 18, a computer control box 19, a first hydraulic cylinder 20, a second hydraulic cylinder 21 and parts 22.
The embodiment is substantially as shown in figures 1 and 2:
the utility model provides a ccd visual detection device, includes frame 1, is equipped with feed plate 2 and mounting panel 3 in the frame 1, is equipped with first ccd camera 4 and cylinder 9 on the mounting panel 3, is connected with base 11 on the piston rod 10 on the cylinder 9, rotates on the base 11 and is connected with second ccd camera 7, and second ccd camera 7 can carry out 360 rotations for base 11.
A conveying device 6 is arranged right below the ccd camera, and the conveying device 6 is connected with the feeding plate 2. Wait to detect part 22 and pass through feed plate 2 conveying and get into conveyer 6, conveyer 6 drives part 22 and removes towards the discharge gate direction, detects through first ccd camera 4 and second ccd camera 7.
One side of the conveying device 6 is provided with a first hydraulic cylinder 20 and a second hydraulic cylinder 21, a piston rod of the first hydraulic cylinder 20 is provided with a first push plate 12, a piston rod of the second hydraulic cylinder 21 is provided with a second push plate 13, the first push plate 12 corresponds to the first ccd camera 4, and the second push plate 13 corresponds to the second ccd camera 7.
The frame 1 is further provided with a computer control box 19, and the photoelectric sensor 5, the transmission device 6, the air cylinder 9, the first ccd camera 4, the second ccd camera 7, the first hydraulic cylinder 20 and the second hydraulic cylinder 21 are respectively electrically connected with the computer control box 19.
The side of the conveying device 6 far away from the push plate is respectively provided with a first collecting box 15 and a second collecting box 16, wherein the first collecting box 15 corresponds to the first push plate 12, and the second collecting box 16 corresponds to the second push plate 13. The first pusher 12 pushes the rejected parts 22 from the conveyor 6 into the first collection bin 15 and the second pusher 13 pushes the rejected parts 22 from the conveyor 6 into the second collection bin 16. The parts 22 with unqualified appearances and unqualified threaded holes are classified and recycled, and subsequent recycling of the unqualified parts 22 is facilitated.
The telescopic length of the piston rod 10 on the air cylinder 9 can be adjusted according to the depth of the threaded hole, and when the threaded holes with different depths need to be detected, the telescopic length of the piston rod can be adjusted to adapt to the depth of the threaded hole.
When the part 22 enters the position right below the first ccd camera 4, the photoelectric sensors 5 on two sides of the first ccd camera 4 detect the part 22, the first ccd camera 4 is started to detect through the computer control box 19, and when the first ccd camera 4 detects that the part 22 is unqualified, the computer control box 19 starts the first hydraulic cylinder 20 to enable the first push plate 12 to push the unqualified part 22 out of the conveying device 6 into the first collecting box 15. When the first ccd camera 4 detects that the part 22 is qualified, the first push plate 12 is not started, the conveying device 6 is restarted, and the conveying is continued.
The second ccd camera 7 is provided with a pressure sensor 8, when the pressure sensor 8 is subjected to external pressure, information is fed back to the computer control box 19, and the computer control box 19 immediately sends out an instruction. The parts 22 qualified by screening of the first ccd camera 4 are transmitted to the position under the second ccd camera 7 through the transmission device 6, when the photoelectric sensors 5 on the two sides of the second ccd camera 7 detect the parts 22, the photoelectric sensors 5 on the two sides of the second ccd camera 7 detect the parts 22 and feed signals back to the computer control box 19, the computer control box 19 controls the transmission device 6 to stop transmitting, simultaneously controls the piston rod 10 of the air cylinder 9 to extend, so that the second ccd camera 7 enters the threaded hole of the parts 22, simultaneously the computer control box 19 controls the second ccd camera 7 to rotate relative to the base 11 in the threaded hole, the rotating object of the second ccd camera 7 is converted into an image signal, and the image signal is transmitted to a special image processing system to detect and judge whether the threads on the parts 22 are complete. When the second ccd camera 7 reaches the bottom of the threaded hole, the piston rod 10 on the air cylinder 9 is completely extended, the pressure sensor 8 is in contact with the bottom of the threaded hole at the moment, the length of the threaded hole is correct, the pressure sensor 8 feeds back a signal to the computer control box 19, the computer control box 19 controls the air cylinder 9 to enable the piston rod 10 to contract, and the piston rod 10 drives the second ccd camera 7 to move out of the threaded hole of the part 22. When the threaded hole of the part 22 is complete and the depth is correct, the conveying device 6 continues conveying the part 22 to the discharge port end.
When the second ccd camera 7 detects that the threaded hole in the part 22 is incomplete, the computer control box 19 controls the cylinder 9 to retract the piston rod 10, the piston rod 10 drives the second ccd camera 7 to move out of the threaded hole of the part 22, then the computer control box 19 starts the second hydraulic cylinder 21 to enable the second push plate 13 to push the part 22 out of the conveying device 6 to the second collecting box 16, then the second push plate 13 is restored to the un-started position, and simultaneously the conveying device 6 is started to continue conveying. When the piston rod 10 on the air cylinder 9 is fully extended and the pressure sensor 8 is not in contact with the bottom of the threaded hole, the depth of the threaded hole is larger, the part 22 is unqualified, the computer control box 19 starts the air cylinder 9 to enable the piston rod 10 to retract, meanwhile, the computer control box 19 starts the second hydraulic cylinder 21 to enable the second push plate 13 to push the part 22 out of the conveying device 6 to the second collecting box 16, then the second push plate 13 is restored to the un-started position, and meanwhile, the conveying device 6 is started to continue conveying. When the piston rod 10 on the air cylinder 9 is not fully extended, the pressure sensor 8 is already in contact with the bottom of the threaded hole, which indicates that the depth of the threaded hole is smaller and the part 22 is unqualified, at this time, the pressure sensor 8 feeds back information to the computer control box 19, the computer control box 19 controls the piston rod 10 to retract, at the same time, the computer control box 19 starts the second hydraulic cylinder 21 to enable the second push plate 13 to push the part 22 out of the conveying device 6 into the second collecting box 16, then the second push plate 13 is restored to the un-started position, and simultaneously the conveying device 6 is started to continue conveying.
The frame 1 is also provided with a qualified box 18, the qualified box 18 is connected with a discharge plate 17, and the discharge plate 17 is connected with the conveying device 6. When part 22 detects qualified back through first ccd camera 4 and second ccd camera 7, will convey to qualified case 18 through ejection of compact board 17 and collect in, the work of the artifical collection in reduction and exemption later stage has improved work efficiency.
The method comprises the following specific operations:
the part 22 to be detected is conveyed to the conveying device 6 through the feeding plate 2, the conveying device 6 drives the part 22 to move towards the discharging port end, when the part 22 enters the position right below the first ccd camera 4, the photoelectric sensors 5 on two sides of the first ccd camera 4 detect the part 22 and feed back signals to the computer control box 19, then the computer control box 19 starts the first ccd camera 4 to detect the part 22, the computer control box 19 controls the conveying device 6 to stop conveying, the first ccd camera 4 detects whether a threaded hole on the part 22 is located at the correct position of the part 22 and whether the shape of the part 22 is cracked, when the position of a threaded hole on the part 22 is wrong or the shape of the part 22 is cracked, the part is judged to be an unqualified product, the computer control box 19 starts the first hydraulic cylinder 20 to enable the first push plate 12 to push the part 22 out of the conveying device 6 into the first collecting box 15, the first push plate 12 then returns to the unactuated position.
The parts 22 qualified by screening of the first ccd camera 4 are transmitted to the position under the second ccd camera 7 through the transmission device, when the photoelectric sensors 5 on the two sides of the second ccd camera 7 detect the parts 22, the photoelectric sensors 5 on the two sides of the second ccd camera 7 detect the parts 22 and feed signals back to the computer control box 19, the computer control box 19 controls the transmission device 6 to stop transmitting, and simultaneously controls the piston rod 10 of the air cylinder 9 to extend, so that the second ccd camera 7 enters the threaded holes of the parts 22, meanwhile, the computer control box 19 controls the second ccd camera 7 to rotate in the threaded holes relative to the base 11, and whether the threads on the parts 22 are complete is detected and judged through the second ccd camera 7. When the second ccd camera 7 detects that the threaded hole of the part 22 is incomplete, the depth of the threaded hole is larger or smaller, the part 22 is judged to be unqualified, the computer control box 19 controls the air cylinder 9 to retract the piston rod 10, the piston rod 10 drives the second ccd camera 7 to move out of the threaded hole of the part 22, then the computer control box 19 starts the second hydraulic cylinder 21 to enable the second push plate 13 to push the part 22 out of the conveying device 6 to the second collecting box 16, then the second push plate 13 is restored to the position where the part is not started, and meanwhile the conveying device 6 is started to continue conveying.
When the second ccd camera 7 detects that the threaded holes of the parts 22 are complete and the depth is correct, the conveying device 6 continues conveying, and then conveying the parts into the qualified box 18 through the discharging plate 17 for collection.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. The utility model provides a ccd visual detection device, includes frame (1), be equipped with feed plate (2), mounting panel (3) and computer control case (19) in frame (1), be equipped with the ccd camera on mounting panel (3), ccd camera both sides are equipped with photoelectric sensor (5), be equipped with conveyer (6) under the ccd camera, conveyer (6) one side is equipped with pneumatic cylinder, its characterized in that: the ccd camera comprises a first ccd camera (4) and a second ccd camera (7) with the diameter smaller than a threaded hole, the first ccd camera (4) is positioned at the feed inlet end, the second ccd camera (7) is positioned at the discharge outlet end, a pressure sensor (8) is arranged on the second ccd camera (7), a cylinder (9) is arranged on the mounting plate (3), a base (11) is arranged on a piston rod (10) of the cylinder (9), the base (11) is rotatably connected with the second ccd camera (7), the cylinder comprises a first hydraulic cylinder (20) and a second hydraulic cylinder (21), a first push plate (12) is arranged on a piston rod of the first hydraulic cylinder (20), a second push plate (13) is arranged on a piston rod of the second hydraulic cylinder (21), the first push plate (12) corresponds to the first ccd camera (4), the second push plate (13) corresponds to the second ccd camera (7), the hydraulic cylinder, the photoelectric sensor (5), the conveying device (6), the air cylinder (9), the pressure sensor (8), the first ccd camera (4) and the second ccd camera (7) are respectively electrically connected with the computer control box (19).
2. The ccd visual inspection device according to claim 1, wherein: spotlights (14) are arranged on the first ccd camera (4) and the second ccd camera (7).
3. The ccd visual inspection device according to claim 1, wherein: one side of the conveying device (6) far away from the push plate is respectively provided with a first collecting box (15) and a second collecting box (16), the first collecting box (15) corresponds to the first push plate (12), and the second collecting box (16) corresponds to the second push plate (13).
4. The ccd visual inspection device according to claim 1, wherein: still be equipped with qualified case (18) on frame (1), be connected with ejection of compact board (17) on qualified case (18), ejection of compact board (17) are connected with conveyer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446996.2U CN213335969U (en) | 2020-10-29 | 2020-10-29 | Ccd vision detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022446996.2U CN213335969U (en) | 2020-10-29 | 2020-10-29 | Ccd vision detection device |
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| CN213335969U true CN213335969U (en) | 2021-06-01 |
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| CN202022446996.2U Active CN213335969U (en) | 2020-10-29 | 2020-10-29 | Ccd vision detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566849A (en) * | 2022-02-14 | 2022-05-31 | 河南省鼎润科技实业有限公司 | CCD automated inspection terminal machine |
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2020
- 2020-10-29 CN CN202022446996.2U patent/CN213335969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566849A (en) * | 2022-02-14 | 2022-05-31 | 河南省鼎润科技实业有限公司 | CCD automated inspection terminal machine |
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