Visual inspection device for parts

Abstract

The utility model discloses a visual inspection device for parts. The visual inspection device comprises a base, a conveying belt is installed above the base, a supporting frame is fixed above the base, a detection mechanism is arranged above the supporting frame, a pushing mechanism is arranged on one side of the base, and guide mechanisms are arranged on the two sides of the upper portion of the base. According to the part visual inspection device, through cooperative use of the inspection mechanism and arrangement of a first motor, a first lead screw can be driven to rotate, so that a first sliding block is driven to move, the position of a camera is conveniently adjusted, and the camera can accurately shoot the full view of a part; and a second motor is arranged to drive a second sliding block to lift, so that the height of the camera is adjusted, the camera can capture an optimal detection visual angle, the camera can clearly capture an image of a part, detection errors caused by a poor visual angle are avoided, and the stability and reliability of a detection result are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of visual inspection devices, and particularly relates to a part visual inspection device. Background Technique

[0002] The part visual inspection device converts the part to be inspected into an image signal through an image acquisition device, and then transmits it to a dedicated image processing system. The image processing system converts the image signal into a digital signal according to information such as pixel distribution, brightness, and color, and performs various operations to extract the features of the part. Finally, according to the analysis result, it controls the actions of on-site equipment, such as rejecting defective products or performing other processes.

[0003] However, the position of the camera of the existing visual inspection device is not convenient to adjust according to the size and position of the part, and the detection range is not wide enough. Therefore, this application provides a part visual inspection device to meet the requirements. Content of the Utility Model

[0004] The purpose of the utility model is to provide a part visual inspection device to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A part visual inspection device, including a base, a conveyor belt is installed above the base, a support frame is fixed above the base, a detection mechanism is arranged above the support frame, a pushing mechanism is arranged on one side of the base, and guiding mechanisms are arranged on both sides above the base;

[0006] The detection mechanism includes a first slide rail, a first motor, a first lead screw, a first slider, a second slide rail, a second motor, a second lead screw, a second slider and a camera. The first slide rail is fixed on one side of the support frame, a first motor is installed at one end of the first slide rail, a first lead screw is installed on one side of the first motor, a first slider is installed on the outer side of the first lead screw, a second slide rail is fixed on one side of the first slider, a second motor is installed at one end of the second slide rail, a second lead screw is installed on one side of the second motor, a second slider is installed on one side of the second lead screw, and a camera is installed on one side of the second slider.

[0007] Preferably, the second slide rail forms a sliding structure with the first slide rail through the first slider, and the second slide rail and the first slide rail are vertically distributed.

[0008] Preferably, the camera forms a lifting structure with the second slide rail through the second slider, and the second slider is used in cooperation with the second lead screw.

[0009] Preferably, the pushing mechanism includes a support plate, a cylinder, and a pushing plate. The support plate is fixed to one side of the base, a cylinder is installed above the support plate, and a pushing plate is installed at one end of the cylinder.

[0010] Preferably, the guiding mechanism includes a fixing plate, a rotating shaft, a guiding rod, a telescopic rod, and a spring. The fixing plate is fixed above the base, a rotating shaft is installed on one side of the fixing plate, a guiding rod is movably connected to one side of the rotating shaft, a telescopic rod is installed on one side of the guiding rod, and a spring is sleeved outside the telescopic rod.

[0011] Preferably, the guiding rod forms a rotating structure with the fixing plate through the rotating shaft, and the guiding rod is symmetrically arranged with respect to the central axis of the conveyor belt.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. For this kind of part vision inspection device, through the combined use of the inspection mechanism, the setting of the first motor can drive the first lead screw to rotate, thereby driving the first slider to move, which is convenient for adjusting the position of the camera, enabling the camera to accurately capture the entire view of the part. And through the setting of the second motor, the second slider can be driven to move up and down, thereby adjusting the height of the camera to ensure that the camera can capture the best inspection angle, ensuring that the camera can clearly capture the image of the part, avoiding inspection errors caused by poor viewing angles, and thus improving the stability and reliability of the inspection results;

[0014] 2. For this kind of part vision inspection device, through the setting of the guiding mechanism, when the part is transported above the conveyor belt, the guiding rod can guide both sides of the part, enabling the part to be transported more neatly above the conveyor belt. And the guiding rod can rotate slightly. When transporting larger parts, the guiding rod will rotate and compress the spring so that the part can be transported between the guiding rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0016] Figure 2 is a schematic diagram of the structure of the inspection mechanism of the present utility model;

[0017] Figure 3 is a schematic diagram of the structure of the pushing mechanism of the present utility model;

[0018] Figure 4 is a schematic diagram of the structure of the guiding mechanism of the present utility model.

[0019] In the figure: 1. Base; 2. Conveyor belt; 3. Support frame; 4. Detection mechanism; 401. First slide rail; 402. First motor; 403. First lead screw; 404. First slider; 405. Second slide rail; 406. Second motor; 407. Second lead screw; 408. Second slider; 409. Camera; 5. Pushing mechanism; 501. Pallet; 502. Cylinder; 503. Pushing plate; 6. Guiding mechanism; 601. Fixed plate; 602. Rotating shaft; 603. Guide rod; 604. Telescopic rod; 605. Spring. Detailed implementation manner

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figure 1 and Figure 3 , the present invention provides a technical solution: a part vision detection device, including a base 1, a conveyor belt 2 is installed above the base 1, a support frame 3 is fixed above the base 1, a detection mechanism 4 is arranged above the support frame 3, a pushing mechanism 5 is arranged on one side of the base 1, the pushing mechanism 5 includes a pallet 501, a cylinder 502 and a pushing plate 503, the pallet 501 is fixed on one side of the base 1, a cylinder 502 is installed above the pallet 501, and a pushing plate 503 is installed at one end of the cylinder 502. If the detected part is unqualified, the switch of the cylinder 502 is turned on to drive the pushing plate 503 to move and push the part off the conveyor belt 2, realizing automatic rejection of defective products;

[0022] Please refer to Figure 1 and Figure 4 , guiding mechanisms 6 are arranged on both sides above the base 1, the guiding mechanism 6 includes a fixed plate 601, a rotating shaft 602, a guide rod 603, a telescopic rod 604 and a spring 605, the fixed plate 601 is fixed above the base 1, a rotating shaft 602 is installed on one side of the fixed plate 601, a guide rod 603 is movably connected to one side of the rotating shaft 602, a telescopic rod 604 is installed on one side of the guide rod 603, and a spring 605 is sleeved outside the telescopic rod 604. The two sides of the part can be guided through the guide rod 603, so that the part can be transported above the conveyor belt 2 more neatly. The guide rod 603 and the fixed plate 601 form a rotating structure through the rotating shaft 602, the guide rod 603 is symmetrically arranged with respect to the central axis of the conveyor belt 2, and the guide rod 603 can rotate slightly. When transporting larger parts, the guide rod 603 will rotate and compress the spring 605 so that the parts can be transported between the guide rods 603;

[0023] See also Figure 1-2 The detection mechanism 4 includes a first slide rail 401, a first motor 402, a first screw rod 403, a first slider 404, a second slide rail 405, a second motor 406, a second screw rod 407, a second slider 408 and a camera 409. The first slide rail 401 is fixed to one side of the support frame 3. The first motor 402 is installed at one end of the first slide rail 401. The first screw rod 403 is installed on one side of the first motor 402. The first slider 404 is installed on the outer side of the first screw rod 403. The second slide rail 405 is fixed on one side of the first slider 404. The second slide rail 405 forms a sliding structure with the first slide rail 401 through the first slider 404. The second slide rail 405 is vertically distributed with the first slide rail 401. The first motor 402 can drive the first screw rod 403 to rotate, thereby driving the first slider 404 to move. The second motor 406 is installed at one end of the second slide rail 405, and a second screw rod 407 is installed on one side of the second motor 406. A second slider 408 is installed on one side of the second screw rod 407, and a camera 409 is installed on one side of the second slider 408. The camera 409 forms a lifting structure with the second slide rail 405 through the second slider 408. The second slider 408 is used in conjunction with the second screw rod 407. The second motor 406 can be used to drive the second slider 408 to rise and fall, thereby adjusting the height of the camera 409 to ensure that the camera 409 can capture the best detection viewing angle, and can ensure that the camera 409 can clearly capture the image of the part to avoid detection errors caused by poor viewing angles.

[0024] Working principle: When using the part visual inspection device, first turn on the external power supply, then place the part on the conveyor belt 2 for transportation. The guide rod 603 can guide the two sides of the part so that the part can be transported more neatly on the conveyor belt 2. When the part is transported to the bottom of the camera 409, the camera 409 converts the inspected part into an image signal, and then transmits it to a dedicated image processing system to detect the quality of the part. If the inspected part is unqualified, turn on the switch of the cylinder 502 to drive the push plate 503 to move and push the part off the conveyor belt 2, so that defective products are automatically rejected. Finally, the height and position of the camera 409 can be adjusted by setting the first motor 402 and the second motor 406 to ensure that the camera 409 can capture the best inspection angle and clearly capture the image of the part. When the device is not in use, the external power supply of the device is cut off. The model of the first motor 402 and the second motor 406 is 6IK200RGU-CF, and the model of the cylinder 502 is CY1S. In this way, the use process of the part visual inspection device is completed.

[0025] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A parts visual inspection device, comprising a base (1), characterized in that: A conveyor belt (2) is installed above the base (1), a support frame (3) is fixed above the base (1), a detection mechanism (4) is arranged above the support frame (3), a material pushing mechanism (5) is arranged on one side of the base (1), and guide mechanisms (6) are arranged on both sides above the base (1); The detection mechanism (4) comprises a first slide rail (401), a first motor (402), a first screw rod (403), a first slider (404), a second slide rail (405), a second motor (406), a second screw rod (407), a second slider (408) and a camera (409), wherein the first slide rail (401) is fixed to one side of the support frame (3), the first motor (402) is installed at one end of the first slide rail (401), and the second motor (402) is installed at one side of the first motor (402). A threaded rod (403), a first slider (404) is installed on the outer side of the first threaded rod (403), a second slide rail (405) is fixed to one side of the first slide rail (404), a second motor (406) is installed at one end of the second slide rail (405), a second threaded rod (407) is installed on one side of the second motor (406), a second slider (408) is installed on one side of the second threaded rod (407), and a camera (409) is installed on one side of the second slider (408).

2. A parts visual inspection device according to claim 1, characterized in that: The second slide rail (405) forms a sliding structure with the first slide rail (401) through the first slider (404), and the second slide rail (405) and the first slide rail (401) are vertically distributed.

3. A parts visual inspection device according to claim 1, characterized in that: The camera (409) forms a lifting structure through a second slider (408) and a second slide rail (405), and the second slider (408) is used in conjunction with a second screw rod (407).

4. A parts visual inspection device according to claim 1, characterized in that: The pushing mechanism (5) comprises a supporting plate (501), a cylinder (502) and a pushing plate (503); the supporting plate (501) is fixed to one side of the base (1); the cylinder (502) is installed above the supporting plate (501); and the pushing plate (503) is installed at one end of the cylinder (502).

5. A parts visual inspection device according to claim 1, characterized in that: The guide mechanism (6) comprises a fixed plate (601), a rotating shaft (602), a guide rod (603), a telescopic rod (604) and a spring (605); the fixed plate (601) is fixed above the base (1); a rotating shaft (602) is installed on one side of the fixed plate (601); a guide rod (603) is movably connected to one side of the rotating shaft (602); a telescopic rod (604) is installed on one side of the guide rod (603); and a spring (605) is sleeved on the outer side of the telescopic rod (604).

6. A parts visual inspection device according to claim 5, characterized in that: The guide rod (603) forms a rotating structure with the fixed plate (601) via the rotating shaft (602), and the guide rod (603) is symmetrically arranged with respect to the central axis of the conveyor belt (2).

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