Visual inspection system of apparent defect screening machine for automobile parts

Abstract

The utility model relates to the technical field of visual inspection, and discloses a visual inspection system of an appearance defect screening machine for automobile parts, which comprises a workbench. According to the visual inspection system of the appearance defect screening machine for the automobile parts, through the arrangement of the right-angle frame, the lifting mechanism, the servo motor A and the detection mechanism, when the parts are detected, the servo motor A is started, the output end of the servo motor A drives a rotating shaft to rotate, and the rotating shaft drives a rotating bracket to rotate by 360 degrees; the electric telescopic rod is started to push the right-angle frame to ascend and descend, and then the rotating support is driven to ascend and descend, so that the side camera and the front camera on the rotating support can move up and down and rotate by 360 degrees, no blind area exists when parts are detected, details of the parts can be captured from different angles, and the accuracy and comprehensiveness of detection are improved; various detection requirements are met, and missing of part defects caused by incomplete detection visual angles is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to visual inspection technical field especially relates to a kind of appearance defect screening machine visual inspection systems of automobile parts. BACKGROUND

[0002] After automobile parts production is completed, its size etc. need to be detected, to judge whether it belongs to qualified product, the detection technology of present time includes visual inspection.Visual inspection is to replace human eye with machine to measure and judge.Visual inspection is to convert the target to be taken into image signal by machine vision product (namely image taking device, divide into CMOS and CCD two kinds), transmit to dedicated image processing system, according to pixel distribution and brightness, color etc.Information, into digitized signal;Image system carries out various operations to the signal to extract the characteristics of target, and then according to the result of discrimination to control the action of on-site equipment.It is the valuable mechanism for production, assembly or packaging.

[0003] In the announcement No. CN221594808U discloses a kind of automobile parts automatic detection device with machine vision, including base, stand, detection mechanism, visual inspection head, rotary clamping mechanism;The stand is fixedly connected at the top of base, provides support force to detection mechanism;The detection mechanism is set on the top of base by stand, can control visual inspection head to move to the arc-shaped outer wall of automobile parts;The visual inspection head is set at the top of rotary clamping mechanism, for scanning detection to the appearance defect of automobile parts;The rotary clamping mechanism is set on the top of base, for the quick fixed clamping of automobile parts, the detection mechanism includes top plate, is rotated by first motor drive transmission shaft, transmission shaft rotation drives visual inspection head to detect along the arc-shaped outer wall of automobile parts, thereby improves the omission of automobile parts defect caused by the incomplete detection visual angle of automobile parts, improves the detection accuracy of the device

[0004] The above patent can drive transmission shaft rotation by first motor, transmission shaft rotation drives visual inspection head to detect along the arc-shaped outer wall of automobile parts, but cannot adjust the height of visual inspection head and only has outside detection visual angle, so that detection visual angle is limited, cannot guarantee overall detection efficiency, so that the omission of automobile parts defect caused by detection visual angle, lead to the detection accuracy of the detection device is not up to standard.

[0005] Therefore, it is necessary to invent a kind of appearance defect screening machine visual inspection systems of automobile parts to solve the above problems. UTILITY MODEL CONTENT

[0006] (1) the technical problem solved

[0007] The utility model solves the technical problem of providing a higher practicality and can be through simple operation, structure is relatively simple one kind of appearance defect screening machine visual detection system of automobile parts, solve the problem of limited detection angle and unable to guarantee overall detection efficiency in the background art.

[0008] (II) Technical solutions

[0009] To achieve the above object, the utility model discloses a kind of appearance defect screening machine visual detection system of automobile parts, including workbench, the upper portion of the workbench is fixedly connected with support frame, the inside of the support frame is sleeved with right-angle frame, the inner bottom wall of the support frame is threadedly connected with lifting mechanism, the lifting mechanism includes electric telescopic rod, support plate and limit ring, the upper portion of the right-angle frame is connected with servo motor A, the output end of the servo motor A is spline-connected with detection mechanism, the detection mechanism includes rotating shaft, rotating support, side camera and front camera, the lower portion of the workbench is threadedly connected with servo motor B, the output end of the servo motor B is connected to workbench, the output end of the servo motor B is spline-connected with rotating clamping mechanism, the rotating clamping mechanism includes rotating shaft, bottom plate, sliding groove, arc clamp, cylindrical block, rotating disc, arc slot and circular table.

[0010] As a further scheme of the utility model, the two groups of electric telescopic rods are threadedly connected to the inner bottom wall of the support frame, the upper portion of the electric telescopic rod is fixedly connected with support plate, the top of the support frame is fixedly connected with limit ring, the support plate is threadedly connected to the bottom of the right-angle frame, the setting of electric telescopic rod plays the role of lifting.

[0011] As a further scheme of the utility model, the rotating shaft is spline-connected to the output end of the servo motor A, the surface of the rotating shaft is fixedly connected with rotating support, one side of the rotating support is threadedly connected with side camera, the front camera is threadedly connected below the rotating support, the setting of rotating support plays the role of rotating detection.

[0012] As a further scheme of the utility model, the rotating shaft is spline-connected to the output end of the servo motor B, the surface of the rotating shaft is sleeved with bottom plate, four groups of sliding grooves are arranged in the inside of the bottom plate, the surface of four groups of sliding grooves is slidably connected with arc clamp, the upper portion of one side of the arc clamp is fixedly connected with cylindrical block, the top of the rotating shaft is fixedly connected with rotating disc, four groups of arc slots are arranged on the surface of the rotating disc, the upper portion of the rotating disc is overlapped with circular table, the setting of arc slot plays the role of rotating clamping.

[0013] As a further scheme of the utility model, the cylindrical block is slidably connected to the arc-shaped groove, and the height of the cylindrical block is lower than the height of the arc-shaped groove, so that the friction is reduced by the height of the cylindrical block.

[0014] As a further scheme of the utility model, the lower portion of the workbench is fixedly connected with a cabinet body, one side of the cabinet body is fixedly connected with two groups of display boards, and one side of the cabinet body is slidably connected with four groups of drawers, so that the display boards facilitate display.

[0015] As a further scheme of the utility model, the bottom of the cabinet body is fixedly connected with four groups of connecting rods, and the bottom of the four groups of connecting rods is fixedly connected with universal wheels, so that the universal wheels facilitate movement.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of appearance defect screening machine vision detection system of automobile parts, with following beneficial effects:

[0018] 1, the appearance defect screening machine vision detection system of automobile parts, by the setting of right-angle frame, lifting mechanism, servo motor A and detection mechanism, when detecting part, servo motor A is started, servo motor A output end drives rotating shaft to rotate, rotating shaft drives rotating support to rotate 360 degrees, electric telescopic link is started to push right-angle frame to lift and descend, in turn drive rotating support to ascend and descend, so that side camera and positive camera on rotating support can move up and down and rotate 360 degrees, there is no any blind area when detecting part, can capture the details of part from different angles, improve the accuracy and comprehensiveness of detection, adapt to various detection needs, avoid the omission of part defect due to incomplete detection angle.

[0019] 2, the appearance defect screening machine vision detection system of automobile parts, by the setting of servo motor B and rotating clamping mechanism, before detecting automobile part, first place automobile part on the top of circular table, then start servo motor C, rotating shaft drives rotating disc to rotate, cylindrical block slides along arc-shaped groove, arc-shaped clamp fixed below cylindrical block slides along sliding groove, so that arc-shaped clamp is clamped when sliding inward or loosens automobile part when sliding outward, rotating clamping mechanism can quickly complete clamping and releasing action, save operation time, improve production efficiency, avoid artificial intervention to bring artificial error. DRAWINGS

[0020] Figure 1 It is complete structure schematic view of the utility model;

[0021] Figure 2 It is lifting mechanism structure schematic view of the utility model;

[0022] Figure 3 It is the structure schematic view of the detection mechanism of the utility model.

[0023] Figure 4 It is the structure schematic view of the rotating clamping mechanism of the utility model.

[0024] In the drawing: 1, workbench; 2, support frame; 3, right-angle frame; 4, lifting mechanism; 401, electric telescopic rod; 402, support plate; 403, limiting ring; 5, servo motor A; 6, detection mechanism; 601, rotating shaft; 602, rotating support; 603, side camera; 604, front camera; 7, servo motor B; 8, rotating clamping mechanism; 801, rotating shaft; 802, bottom plate; 803, sliding groove; 804, arc-shaped clamp; 805, cylindrical block; 806, rotating disc; 807, arc-shaped groove; 808, circular truncated cone; 9, cabinet body; 10, display board; 11, drawer; 12, connecting rod; 13, universal wheel. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: the visual detection system of appearance defect screening machine of automobile parts, including workbench 1, the upper portion of workbench 1 is fixedly connected with support frame 2, support frame 2 is internally sleeved with right-angle frame 3, the inner bottom wall of support frame 2 is threadedly connected with lifting mechanism 4, lifting mechanism 4 includes electric telescopic rod 401, support plate 402 and limiting ring 403, the upper portion of right-angle frame 3 is connected with servo motor A 5 and is penetrated, servo motor A 5 is connected with detection mechanism 6 in output spline, detection mechanism 6 includes rotating shaft 601, rotating support 602, side camera 603 and front camera 604, the lower portion of workbench 1 is threadedly connected with servo motor B 7, the output end of servo motor B 7 is penetrated to workbench 1, the output end of servo motor B 7 is connected with rotating clamping mechanism 8 in spline, rotating clamping mechanism 8 includes rotating shaft 801, bottom plate 802, sliding groove 803, arc-shaped clamp 804, cylindrical block 805, rotating disc 806, arc-shaped groove 807 and circular truncated cone 808.

[0027] Please refer to Figure 2Two groups of electric telescopic rods 401 are screw connected to the inner bottom wall of the support frame 2, and the upper part of the electric telescopic rod 401 is fixedly connected with a support plate 402; the top end of the support frame 2 is fixedly connected with a limiting ring 403; the support plate 402 is screw connected to the bottom of the right angle frame 3; and the electric telescopic rod 401 is arranged to play a lifting role.

[0028] Please refer to Figure 3 The rotating shaft 601 is spline connected to the output end of the servo motor A5, the surface of the rotating shaft 601 is fixedly connected with a rotating bracket 602, one side of the rotating bracket 602 is screw connected with a side camera 603, and the front of the rotating bracket 602 is screw connected with a front camera 604, and the rotating bracket 602 is arranged to play a rotating detection role.

[0029] Please refer to Figure 4 The rotating shaft 801 is spline connected to the output end of the servo motor B7, the surface of the rotating shaft 801 is sleeved with a bottom plate 802, four groups of sliding grooves 803 are arranged in the bottom plate 802, the surface of the four groups of sliding grooves 803 is slidably connected with an arc-shaped clamp 804, one side above the arc-shaped clamp 804 is fixedly connected with a cylindrical block 805, the top end of the rotating shaft 801 is fixedly connected with a rotating disc 806, the surface of the rotating disc 806 is provided with four arc-shaped grooves 807, and the upper part of the rotating disc 806 is overlapped with a circular table 808, and the arc-shaped grooves 807 are arranged to play a rotating clamping role.

[0030] Please refer to Figure 4 The cylindrical block 805 is slidably connected to the arc-shaped groove 807, and the height of the cylindrical block 805 is lower than that of the arc-shaped groove 807, and the height of the cylindrical block 805 is arranged to play a role of reducing friction.

[0031] Please refer to Figure 1 The lower part of the workbench 1 is fixedly connected with a cabinet 9, two groups of display boards 10 are fixedly connected on one side of the cabinet 9, and four groups of drawers 11 are slidably connected on one side of the cabinet 9, and the display boards 10 are arranged to play a role of facilitating display.

[0032] Please refer to Figure 1 The bottom of the cabinet 9 is fixedly connected with four connecting rods 12, and the bottom of the four connecting rods 12 is fixedly connected with universal wheels 13, and the universal wheels 13 are arranged to play a role of facilitating movement.

[0033] In the utility model, the working steps of the device are as follows:

[0034] The first step: when detecting the parts, the servo motor A5 is started, the output end of the servo motor A5 drives the rotating shaft 601 to rotate, the rotating shaft 601 drives the rotating support 602 to rotate 360 degrees, the electric telescopic rod 401 is started to push the right-angle frame 3 to ascend or descend, and then drives the rotating support 602 to ascend or descend, so that the side camera 603 and the front camera 604 on the rotating support 602 can move up and down and rotate 360 degrees;

[0035] The second step: before detecting the automobile parts, the automobile parts are placed above the circular table 808, and then the servo motor B7 is started, the rotating shaft 801 drives the rotating disc 806 to rotate, the cylindrical block 805 slides along the arc-shaped groove 807, the arc-shaped clamp 804 fixed below the cylindrical block 805 slides along the sliding groove 803, and when the arc-shaped clamp 804 slides inward, the automobile parts are clamped, or when the arc-shaped clamp 804 slides outward, the automobile parts are loosened.

[0036] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the design principle technology, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;

[0037] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principle and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An appearance defect screening machine vision detection system for automobile parts, comprising a workbench (1), characterized in that: The upper side of the workbench (1) is fixedly connected with a support frame (2), the inside of the support frame (2) is sleeved with a right-angle frame (3), the inner bottom wall of the support frame (2) is screwedly connected with a lifting mechanism (4), the lifting mechanism (4) comprises an electric telescopic rod (401), a supporting plate (402) and a limiting ring (403), the upper side of the right-angle frame (3) is penetratedly connected with a servo motor A (5), the output end of the servo motor A (5) is spline-connected with a detection mechanism (6), the detection mechanism (6) comprises a rotating shaft (601), a rotating support (602), a side camera (603) and a front camera (604), the lower side of the workbench (1) is screwedly connected with a servo motor B (7), the output end of the servo motor B (7) is penetratedly connected with the workbench (1), the output end of the servo motor B (7) is spline-connected with a rotary clamping mechanism (8), the rotary clamping mechanism (8) comprises a rotating shaft (801), a bottom plate (802), a sliding groove (803), an arc-shaped clamp (804), a cylindrical block (805), a rotating disc (806), an arc-shaped groove (807) and a circular table (808).

2. The visual inspection system of claim 1, wherein: Two groups of the electric telescopic rods (401) are screwedly connected to the inner bottom wall of the support frame (2), the upper side of the electric telescopic rod (401) is fixedly connected with the supporting plate (402), the top end of the support frame (2) is fixedly connected with the limiting ring (403), the supporting plate (402) is screwedly connected to the bottom of the right-angle frame (3).

3. The visual inspection system of claim 1, wherein: The rotating shaft (601) is spline-connected to the output end of the servo motor A (5), the surface of the rotating shaft (601) is fixedly connected with the rotating support (602), one side of the rotating support (602) is screwedly connected with the side camera (603), the directly lower side of the rotating support (602) is screwedly connected with the front camera (604).

4. The visual inspection system of claim 1, wherein: The rotating shaft (801) is spline-connected to the output end of the servo motor B (7), the surface of the rotating shaft (801) is sleeved with the bottom plate (802), the inside of the bottom plate (802) is provided with four groups of sliding grooves (803), the surfaces of the four groups of sliding grooves (803) are slidably connected with the arc-shaped clamps (804), one side of the upper side of the arc-shaped clamp (804) is fixedly connected with the cylindrical block (805), the top end of the rotating shaft (801) is fixedly connected with the rotating disc (806), the surface of the rotating disc (806) is provided with four groups of arc-shaped grooves (807), the upper side of the rotating disc (806) is overlapped with the circular table (808).

5. The visual inspection system of claim 4, wherein: The cylindrical block (805) is slidably connected to the arc-shaped groove (807), and the height of the cylindrical block (805) is lower than that of the arc-shaped groove (807).

6. The visual inspection system of claim 1, wherein: The lower side of the workbench (1) is fixedly connected with a cabinet body (9), one side of the cabinet body (9) is fixedly connected with two groups of display boards (10), and the one side of the cabinet body (9) is slidably connected with four groups of drawers (11).

7. The visual inspection system of claim 6, wherein: The bottom of the cabinet body (9) is fixedly connected with four groups of connecting rods (12), and the bottom of the four groups of connecting rods (12) is fixedly connected with universal wheels (13).

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