Automatic CCD (Charge Coupled Device) detection device

Abstract

The invention relates to the technical field of product detection, in particular to an automatic CCD detection device which comprises a workbench, a detection mechanism is arranged on the workbench and comprises an outer detection frame and an inner detection frame which are integrally connected, a sliding groove is formed in the inner detection frame, and a detection plate is arranged in the sliding groove. Two CCD detection devices located at the two ends of the detection plate respectively are installed outside the detection plate and used for visual detection of the cover caps, the left end and the right end of the outer detection frame are fixedly connected with supporting frames, and the top ends of the two supporting frames are each provided with a transfer mechanism used for transferring the detected cover caps. Visual inspection is carried out twice in sequence when the cover caps are arranged at the top end of the material guide frame and the top end of the motor box respectively, the two CCD inspection devices move along the sliding groove with a certain radian with the inspection plate as a carrier in the inspection process, and comprehensive visual inspection is carried out on the upper face and the lower face of the detected cover caps twice, so that the cover cap inspection accuracy is improved, and meanwhile the detection efficiency is improved. And the cover cap does not need to be moved and turned over, so that the detection efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of product detection, in particular to an automatic CCD detection device. Background Art

[0002] CCD detection is mainly used as an important image sensor technology. The object to be tested is focused on the CCD chip through the lens. The CCD chip converts the optical signal into an electrical signal, which is then processed to obtain a digital image. It can accurately detect product appearance defects such as cracks, deformation, and foreign matter.

[0003] In the production process of injection molded auto parts covers, after a series of processes including injection molding of raw materials, press-fitting and welding of valves and valve covers, valve air tightness testing, baffle welding, dust removal, bushing press-fitting, and nut hot plugging, CCD testing equipment is required to test the appearance of the cover. Only after the appearance meets the release standards can subsequent performance testing and use be carried out.

[0004] In the prior art, when the CCD device performs a comprehensive inspection on the cover through the camera unit, it is often only possible to inspect the top of the cover at a time. A comprehensive inspection requires turning the cover over, which is usually done by installing a flipping device or manually. Especially for some larger covers, the turning process takes up a large inspection space, prolonging the operation time, thereby reducing production efficiency. At the same time, the accuracy of single-sided visual inspection is poor. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the present invention provides an automated CCD detection device, which solves the problem that the CCD detection equipment in the prior art has low accuracy through single-side detection, and needs to turn over the detection during the detection process, thereby reducing the detection and production efficiency.

[0007] (II) Technical solution

[0008] To achieve the above object, the present invention provides the following technical solutions: an automated CCD inspection device, comprising a workbench, a detection mechanism is arranged on the workbench, the detection mechanism comprises an outer detection frame and an inner detection frame connected in an integrated manner, a slide groove is provided inside the inner detection frame, a detection plate is arranged inside the slide groove, and two CCD detection devices are installed outside the detection plate, respectively located at two ends thereof, for visual inspection of the cover;

[0009] The left and right ends of the external detection frame are fixedly connected with support frames, and a transfer mechanism is installed on the top of the two support frames for transferring the cover to be detected. The rear sides of the two transfer mechanisms are provided with a conveying mechanism installed on the top of the workbench for receiving and conveying the transferred cover. The two transfer mechanisms are symmetrically arranged on the left and right sides of the detection mechanism, and the front side of the external detection frame is provided with a material guide frame extending into the interior of the detection mechanism for placing the cover to be detected.

[0010] Preferably, the inner surface of the inner detection frame is an arc-shaped structure, the cross-section of the slide groove is a "T"-shaped structure, the detection plate is an "I"-shaped structure, and the arc length of the detection plate is smaller than the arc length of the slide groove.

[0011] Preferably, a rack is provided on the outer arc surface of the detection plate located on the outer side of the inner detection frame, and gears are movably penetrated and connected to the left and right surfaces of the inner detection frame through a rotating shaft, and the gears are meshed with the racks on the outer arc surface of the detection plate.

[0012] Preferably, a motor box is installed on the outside of the gear, and the motor box is connected to the external detection frame by bolts. A forward and reverse motor is installed in the motor box. The output shaft of the forward and reverse motor is connected to the axis of the gear through a coupling. The forward and reverse motor is electrically connected to a controller 1 for controlling the opening and closing of the forward and reverse motor. The controller 1 is electrically connected and controlled through a CCD detection device.

[0013] Preferably, the transfer mechanism includes an electric rotating table located at the top of the support frame, and the top of the electric rotating table is respectively installed with a vertically upward electric cylinder 2 and a column, the output end of the electric cylinder 2 faces upward and is movably connected to a pressure plate, the top of the column is fixedly connected to a carrier plate, and the outer surface of the pressure plate is movably connected to the column through a hinge seat.

[0014] Preferably, a slider is fixedly connected to the bottom end of the electric rotating table, a movable groove is provided at the top of the support frame located below the electric rotating table, a limiting slide bar is horizontally fixedly connected between the inner wall of the support frame and the outer wall of the external detection frame, and the slider movably passes through the movable groove and movably sleeved on the outer surface of the limiting slide bar.

[0015] Preferably, the electric rotating table is electrically connected to a second controller, and the second controller is electrically connected and controlled by a CCD detection device. The height of the carrier plate is fixed and the top position is lower than the lowest end position of the inclined surface of the material guide rack.

[0016] Preferably, an electric cylinder 1 is installed on the outer surface of the support frame, and the output shaft end of the electric cylinder 1 movably passes through the side wall of the support frame and is connected to one side of the slider. The output shaft of the electric cylinder 1 is located above the limiting slide bar and the two are parallel.

[0017] Preferably, the electric cylinder 1 and the electric cylinder 2 are electrically connected to the same controller 3, and the controller 3 is electrically connected and controlled by a CCD detection device.

[0018] Preferably, the top surface of the material guide rack is inclined, and a conveyor belt is provided above a side of one end of the material guide rack away from the detection mechanism for conveying the cover to be detected to the detection mechanism.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the present invention provides an automated CCD detection device, which has the following beneficial effects:

[0021] By placing the cover to be inspected on the top of the material guide rack and the top of the motor box respectively and performing two visual inspections respectively, during the inspection process, two CCD inspection devices use the inspection plate as a carrier and move along the slide groove at a certain arc, and perform two comprehensive visual inspections on the upper and lower surfaces of the inspected cover respectively, which improves the accuracy of cover inspection and does not need to move and turn over the cover, which helps to improve the inspection efficiency.

[0022] The controllers electrically connected in the two transfer mechanisms arranged on both sides of the detection mechanism are independent of each other and are both controlled by the CCD detection equipment. One of the transfer mechanisms is used to clamp and transfer the cover covers that have passed the inspection, and the other transfer mechanism is used to clamp and transfer the cover covers that have failed the inspection. Finally, the cover covers transferred by the two transfer mechanisms are moved out along the conveying mechanisms arranged on their rear sides respectively, which is convenient for the classification and transfer of the cover covers after the inspection is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0024] Figure 1 It is a combined diagram of the detection mechanism and the transfer mechanism of the present invention;

[0025] Figure 2 It is a position diagram of the detection mechanism and the transfer mechanism of the present invention on the workbench;

[0026] Figure 3 It is a schematic diagram of the internal split structure of the detection mechanism of the present invention;

[0027] Figure 4 This is a connection structure diagram of the CCD detection device of the present invention on the detection board;

[0028] Figure 5 It is a schematic diagram of the connection structure between the external detection frame and the support frames on both sides thereof according to the present invention;

[0029] Figure 6 It is the structural diagram of the transfer mechanism of the present invention;

[0030] Figure 7This is a diagram showing the position of the gear on the inner detection frame of the present invention.

[0031] Description of reference numerals:

[0032] 1. Workbench; 2. External inspection frame; 21. Internal inspection frame; 211. Slide; 22. Inspection plate; 23. CCD inspection equipment; 24. Gear; 241. Motor box; 25. Material guide rack; 3. Support frame; 31. Moving slot; 32. Limiting slide bar; 33. Electric cylinder 1; 4. Transfer mechanism; 41. Electric rotating table; 42. Electric cylinder 2; 421. Press plate; 43. Column; 431. Carrier plate; 44. Slider; 5. Conveying mechanism. DETAILED DESCRIPTION

[0033] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0034] like Figure 1-7 As shown, it is the first embodiment of the present invention. To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automated CCD detection device, comprising a workbench 1, a detection mechanism is arranged on the workbench 1, the detection mechanism comprises an outer detection frame 2 and an inner detection frame 21 connected in an integrated manner, a slide groove 211 is provided inside the inner detection frame 21, a detection plate 22 is arranged inside the slide groove 211, two CCD detection devices 23 are installed outside the detection plate 22, which are respectively located at both ends thereof, and are used for visual detection of the cover, the inner side surface of the inner detection frame 21 is an arc structure, the cross section of the slide groove 211 is a "T"-shaped structure, the detection plate 22 is an "I"-shaped structure, the detection plate 22 is slidably connected inside the slide groove 211, and the arc length of the detection plate 22 is less than 1. Due to the arc length of the slide groove 211, the detection plate 22 has enough moving space inside the slide groove 211. The detection plate 22 makes a circular motion at a certain angle in the slide groove 211. The outer arc surface of the detection plate 22 is located on the outer side of the inner detection frame 21 and a rack is provided. The left and right surfaces of the inner detection frame 21 are penetrated and connected with gears 24 through the rotating shaft. The gear 24 is meshed with the rack on the outer arc surface of the detection plate 22. The detection plate 22 can be driven to move in a circle inside the slide groove 211 by rotating the external driving gear 24. The detection plate 22 drives the two CCD detection devices 23 installed on its outside to move synchronously. The two CCD detection devices 23 moving in a circle respectively perform visual inspection on the upper and lower surfaces of the detected cover at the same time.

[0035] Further, such as Figure 1As shown, a motor box 241 is installed on the outside of the gear 24, and the motor box 241 is connected to the outer detection frame 2 by bolts. A forward and reverse motor is installed in the motor box 241, and the output shaft of the forward and reverse motor is connected to the axis of the gear 24 through a coupling. The forward and reverse motor is electrically connected to a controller 1 for controlling the opening and closing of the forward and reverse motor. The controller 1 is electrically connected and controlled by the CCD detection device 23, and the forward and reverse motor drives the gear 24 to rotate reciprocatingly in the clockwise and counterclockwise directions, and the gear 24 drives the detection plate 22 to perform clockwise and counterclockwise cyclic alternating motion inside the slide slot 211.

[0036] Furthermore, a guide rack 25 extending into the interior of the detection mechanism is provided on the front side of the external detection frame 2 for placing the cover to be detected. The bottom end portion of the guide rack 25 is installed on the outer surface of the external detection frame 2 by bolts, and the guide rack 25 can be disassembled and assembled and the installation position can be changed according to actual use requirements. There are two guide racks 25 and they are symmetrically distributed on the left and right sides of the external detection frame 2. The spacing between the two guide racks 25 is greater than the width of the external detection frame 2, so that the CCD detection device 23 will not touch the two guide racks 25 when moving and detecting in the internal space of the external detection frame 2. The top surface of the guide rack 25 is inclined, and a conveyor belt is provided above one end of the guide rack 25 away from the detection mechanism for conveying the cover to be detected to the detection mechanism. The cover to be detected is conveyed to the guide rack 25 by the conveyor belt, and the cover to be detected gradually moves toward the middle of the detection mechanism along the inclined surface of the guide rack 25, and finally moves to above the carrier plate 431 of the transfer mechanism 4.

[0037] When the above embodiment is working, the cover to be detected is transported to the guide rack 25 through the conveyor belt, and the cover to be detected gradually moves toward the middle of the detection mechanism along the inclined surface of the guide rack 25. When the cover to be detected is at the top of the guide rack 25, the CCD detection device 23 starts to work and first detects the external shape of the cover. At the same time, the CCD detection device 23 controls the start controller 1, and the controller 1 starts the forward and reverse motors inside the motor box 241 for the first time. The forward and reverse motors drive the gear 24 to perform a clockwise and counterclockwise reciprocating rotation, and the gear 24 drives the detection plate 22 to perform a clockwise and counterclockwise cyclic alternating motion inside the slide slot 211. The detection plate 22 drives the two CCD detection devices 23 installed outside it to move synchronously, so that the two CCD detection devices 23 respectively perform the first visual inspection on the upper and lower surfaces of the cover to be detected at the same time. At this time, there is a part of the bottom of the cover to be detected that is only blocked by the guide rack 25 and is not detected.

[0038] When the cover to be inspected is continuously pushed by the conveyor belt from the guide rack 25 and moves to the motor box 241, the guide rack 25 no longer blocks the bottom end of the cover to be inspected, and the CCD inspection device 23 controls to start the controller 1 for the second time. The controller 1 starts the forward and reverse motors for the second time and drives the gear 24 to rotate. The gear 24 drives the inspection plate 22 and the two CCD inspection devices 23 to perform visual inspection on the upper and lower surfaces of the cover to be inspected again, so that the cover to be inspected can be comprehensively inspected, which improves the accuracy of cover inspection without moving and turning the cover over, which helps to improve inspection efficiency.

[0039] like Figure 2-6 As shown, it is the second embodiment of the present invention, the left and right ends of the outer detection frame 2 are fixedly connected with a support frame 3, and a transfer mechanism 4 is installed on the top of the two support frames 3 for transferring the detected cover covers, and the rear sides of the two transfer mechanisms 4 are provided with a conveying mechanism 5 installed on the top of the workbench 1 for receiving and conveying the cover covers transferred out by the transfer mechanism 4. The two transfer mechanisms 4 are symmetrically arranged on the left and right sides of the detection mechanism, one of the transfer mechanisms 4 is used for clamping and transferring the cover covers that pass the detection, and the other transfer mechanism 4 is used for clamping and transferring the cover covers that fail the detection. The controllers electrically connected in the two transfer mechanisms 4 are independent of each other and are controlled by the CCD detection device 23, which is convenient for classifying and transferring the cover covers after the detection is completed.

[0040] Among them, Figure 6 As shown, the transfer mechanism 4 includes an electric rotating table 41 located at the top of the support frame 3, and the top of the electric rotating table 41 is respectively installed with a vertically upward electric cylinder 2 42 and a column 43, the output end of the electric cylinder 2 42 is upward and movably connected to a pressure plate 421, and the top of the column 43 is fixedly connected to a carrier plate 431, and the outer surface of the pressure plate 421 is movably connected to the column 43 through a hinge seat, and the electric rotating table 41 is electrically connected to a controller 2, and the controller 2 is electrically connected and controlled by a CCD detection device 23, the carrier plate 431 is fixed in height and the top position is lower than the lowest end position of the inclined surface of the guide frame 25, in the initial state, the pressure plate 421 and the carrier plate 431 are in an open state and the opening angle is the largest, and the bottom end of the cover after the detection is completed is placed on the carrier plate 431, and the top end of the cover is pressed by the pressure plate 421, and the cover is clamped between the pressure plate 421 and the carrier plate 431 to facilitate the transfer of the cover to the outside.

[0041] Furthermore, a slider 44 is fixedly connected to the bottom end of the electric rotating table 41, and a moving groove 31 is opened at the top of the support frame 3 below the electric rotating table 41. A limit slide bar 32 is horizontally fixedly connected between the inner wall of the support frame 3 and the outer wall of the outer detection frame 2. The slider 44 movably penetrates into the moving groove 31 and is movably sleeved on the outer surface of the limit slide bar 32, which can ensure that the slider 44 and the entire transfer mechanism 4 maintain translation on the same horizontal line to avoid deflection of the transfer mechanism 4 during movement. An electric cylinder 1 33 is installed on the outer surface of the support frame 3. The electric cylinder 1 33 and the electric cylinder 2 42 are electrically connected to the same controller 3. The controller 3 is electrically connected and controlled by the CCD detection device 23. The output shaft end of the electric cylinder 1 33 movably penetrates the side wall of the support frame 3 and is connected to one side of the slider 44. The output shaft of the electric cylinder 1 33 is located at the limit slide bar 32. , and the two are parallel. When the electric cylinder 33 drives the slider 44 to move horizontally on the limit slide bar 32, the output shaft of the electric cylinder 33 will not contact the limit slide bar 32. When the cover to be inspected is completed, the CCD inspection device 23 controls the controller three to first start the electric cylinder 2 42, so that the output end of the electric cylinder 2 42 drives the pressure plate 421 to press against the cover. At this time, the cover is clamped between the pressure plate 421 and the carrier plate 431. Then the controller three starts the electric cylinder 33 to shrink its output end and pull the transfer mechanism 4 outward until the transfer mechanism 4 drives the cover to move out of the inspection mechanism. Then the CCD inspection device 23 controls to start the controller two and turn on the electric rotating table 41. The electric rotating table 41 drives the clamped cover to rotate to 90° in the direction of the conveying mechanism 5, so as to transfer the inspected cover to the conveying mechanism 5 for removal.

[0042] When the above embodiment is working, when the cover is at the top of the carrier plate 431 after the cover detection is completed, the CCD detection device 23 controls the controller three to first start the electric cylinder two 42, drive the pressure plate 421 to press the cover, and the cover is clamped between the pressure plate 421 and the carrier plate 431. Then the controller three starts the electric cylinder one 33 to pull the transfer mechanism 4 outward until it moves out of the detection mechanism. Then the CCD detection device 23 controls to start the controller two and turn on the electric rotating table 41. The electric rotating table 41 drives the clamped cover to rotate to 90° in the direction of the conveying mechanism 5, and transfers the cover that has been inspected to the conveying mechanism 5 for removal. The controllers electrically connected in the two transfer mechanisms 4 on both sides of the detection mechanism are independent of each other and are controlled by the CCD detection device 23. One of the transfer mechanisms 4 is used to clamp and transfer the cover that has passed the inspection, and the other transfer mechanism 4 is used to clamp and transfer the cover that has failed the inspection, so as to facilitate the classification and transfer of the covers after the inspection is completed.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automated CCD detection device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a detection mechanism, the detection mechanism comprising an outer detection frame (2) and an inner detection frame (21) which are integrally connected, a slide groove (211) is provided inside the inner detection frame (21), a detection plate (22) is provided inside the slide groove (211), and two CCD detection devices (23) are installed outside the detection plate (22) and are located at two ends thereof, respectively, for visual detection of the cover; The left and right ends of the outer detection frame (2) are fixedly connected to support frames (3), and the top ends of the two support frames (3) are each installed with a transfer mechanism (4) for transferring the cover to be detected. The rear sides of the two transfer mechanisms (4) are each provided with a conveying mechanism (5) installed on the top end of the workbench (1) for receiving and conveying the transferred cover. The two transfer mechanisms (4) are symmetrically arranged on the left and right sides of the detection mechanism, respectively. The front side of the outer detection frame (2) is provided with a material guide frame (25) extending into the interior of the detection mechanism for placing the cover to be detected.

2. An automated CCD detection device according to claim 1, characterized in that: The inner surface of the inner detection frame (21) is an arc-shaped structure, the cross section of the slide groove (211) is a "T"-shaped structure, the detection plate (22) is an "I"-shaped structure, and the arc length of the detection plate (22) is smaller than the arc length of the slide groove (211).

3. An automated CCD detection device according to claim 1, characterized in that: The outer arc surface of the detection plate (22) is located outside the inner detection frame (21) and is provided with a rack. The left and right surfaces of the inner detection frame (21) are movably penetrated and connected with a gear (24) through a rotating shaft. The gear (24) is meshed with the rack on the outer arc surface of the detection plate (22).

4. An automated CCD detection device according to claim 3, characterized in that: A motor box (241) is installed outside the gear (24), the motor box (241) is connected to the outer detection frame (2) by bolts, a forward and reverse motor is installed inside the motor box (241), the output shaft of the forward and reverse motor is connected to the axis of the gear (24) by a coupling, the forward and reverse motor is electrically connected to a controller 1 for controlling the opening and closing of the forward and reverse motor, and the controller 1 is electrically connected to the CCD detection device (23) for control.

5. The automatic CCD detection device according to claim 1, characterized in that: The transfer mechanism (4) comprises an electric rotating platform (41) located at the top of the support frame (3), and the top of the electric rotating platform (41) is respectively mounted with an electric cylinder 2 (42) and a column (43) pointing vertically upward, the output end of the electric cylinder 2 (42) is upward and movably connected to a pressure plate (421), the top of the column (43) is fixedly connected to a carrier plate (431), and the outer surface of the pressure plate (421) is movably connected to the column (43) via a hinge seat.

6. An automated CCD detection device according to claim 5, characterized in that: A slider (44) is fixedly connected to the bottom end of the electric rotating platform (41); a moving groove (31) is provided at the top end of the support frame (3) below the electric rotating platform (41); a limit slide bar (32) is horizontally fixedly connected between the inner wall of the support frame (3) and the outer wall of the outer detection frame (2); the slider (44) movably penetrates into the moving groove (31) and movably sleeves on the outer surface of the limit slide bar (32).

7. An automated CCD detection device according to claim 5, characterized in that: The electric rotating table (41) is electrically connected to a second controller, and the second controller is electrically connected and controlled by a CCD detection device (23). The height of the carrier plate (431) is fixed and the top end position is lower than the lowest end position of the inclined surface of the material guide frame (25).

8. An automated CCD detection device according to claim 6, characterized in that: An electric cylinder 1 (33) is mounted on the outer surface of the support frame (3); an output shaft end of the electric cylinder 1 (33) movably passes through the side wall of the support frame (3) and is connected to one side of the slide block (44); the output shaft of the electric cylinder 1 (33) is located above the limiting slide bar (32) and the two are parallel.

9. An automated CCD detection device according to claim 8, characterized in that: The electric cylinder 1 (33) and the electric cylinder 2 (42) are electrically connected to the same controller 3, and the controller 3 is electrically connected and controlled via a CCD detection device (23).

10. The automatic CCD detection device according to claim 1, characterized in that: The top surface of the material guide rack (25) is inclined, and a conveyor belt is provided above a side of one end of the material guide rack (25) away from the detection mechanism, for conveying the cover to be detected to the detection mechanism.

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