Visual detection device for small sheet material

Abstract

The utility model provides a visual detection device for small sheet materials, which relates to the technical field of visual detection of small sheet materials and comprises a front detection conveying belt, a back detection conveying belt and a qualified product conveying belt. Industrial cameras used for detecting the front side and the back side of the sheet material are arranged on the front side detection conveying belt and the back side detection conveying belt correspondingly, and front side detection can be conducted on the sheet material through the front side detection conveying belt and the back side detection conveying belt by means of the industrial cameras on the front side detection conveying belt; the sheet material moves upwards on the reverse side detection conveying belt, the reverse side of the sheet material can be detected through the industrial camera at the reverse side detection conveying belt, and the front side and the reverse side of the sheet material can be detected along with the movement of the sheet material.

Description

TECHNICAL FIELD

[0001] The utility model relates to small sheet material visual inspection technical field, especially small sheet material visual inspection device. BACKGROUND

[0002] At present, the can body is welded in the three-piece can making process, and the can body is cut into individual can bodies from a large sheet before welding, and the defects of the can body material itself and the printing affect the quality of the can body, so after cutting the large sheet, the individual can body sheet is comprehensively detected online to improve the quality of the can body product.

[0003] Therefore, a kind of be applied to the segmented pressing photographing detection device of sheet material, public number is: CN220690782U, including rack, detection component and pressing assembly;Rack is equipped with conveying line, and conveying line is used to convey sheet material;Detection component is located at conveying line side, and detection component includes multiple detectors, and multiple detectors are interval arranged along the conveying direction of conveying line, and detector is used to detect sheet material on conveying line;Pressing assembly is located at conveying line side, and pressing assembly includes multiple pressing assembly groups, and each pressing assembly group includes several pressing pieces, and pressing piece can limit and press the sheet material on conveying line, and pressing assembly group is distributed and arranged along the conveying direction of conveying line, and pressing assembly group is set one by one with detector, and pressing assembly is located between detector and conveying line;Each pressing piece in pressing assembly is distributed and arranged along the width direction of conveying line.

[0004] But because detection component is installed in rack side, and conveying line is installed below rack, therefore, sheet material placed on conveying line and limited by pressing assembly only upper surface can be detected by detection component, and lower surface cannot be detected, thus leading to detection with single face, and sheet material double face cannot be detected at one time. Utility model content

[0005] The utility model aims at solving the problems in the prior art and provides a small sheet material visual inspection device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a small sheet material visual inspection device, including front detection conveying belt, back detection conveying belt and qualified product conveying belt, and the front detection conveying belt and back detection conveying belt are provided with industrial cameras for detecting the front and back of sheet material respectively, and the front detection conveying belt and back detection conveying belt and the back detection conveying belt and qualified product conveying belt are all transitioned with sorting conveying belt for separating defective products, and the qualified product conveying belt frame body terminal two sides are inserted with mobile frame, and the mobile frame is slidably connected with lifting plate for sheet material blanking and packaging.

[0007] Preferably, the two sorting conveyors are respectively rotatably connected to the end of the front detection conveyor and the back detection conveyor.

[0008] Preferably, the bottom surface of the front detection conveyor and the back detection conveyor frame body is rotatably connected with a spur gear, the tooth surface of the spur gear is fixedly connected with a support arm for supporting the bottom surface of the sorting conveyor frame body, and the front detection conveyor and the back detection conveyor frame body are respectively inserted with a rack meshingly connected with the spur gear.

[0009] Preferably, the front detection conveyor and the back detection conveyor frame body are respectively rotatably connected with a spur gear, the tooth surface of the spur gear is fixedly connected with a support arm for supporting the bottom surface of the sorting conveyor frame body, and the front detection conveyor and the back detection conveyor frame body are respectively inserted with a rack meshingly connected with the spur gear.

[0010] Preferably, the top surface of the support frame on the back detection conveyor is fixedly connected with an electric telescopic rod, the telescopic end of the electric telescopic rod is expanded outwardly in a disc shape, and the bottom surface of the telescopic end of the electric telescopic rod is fixedly connected with a tooth ring, a plurality of rotating frames are clamped on the side edge of the telescopic end of the electric telescopic rod, the bottom surface of the rotating frame is rotatably connected with a lead screw, and the end position is rotatably connected with a driving gear meshingly connected with the tooth ring, and a vacuum suction cup is threadedly connected on the rotating frame.

[0011] Preferably, the side wall of the moving frame is fixedly connected with guide rails inserted on both sides of the qualified product conveyor, and is fixedly connected with an electric push rod with the telescopic end connected with the side edge of the qualified product conveyor.

[0012] Preferably, one side of the bottom surface of the moving frame is fixedly connected with a limiting frame, the limiting frame is also rotatably connected with a lead screw, and one side of the lifting plate extends through the limiting frame and is threadedly connected with the lead screw.

[0013] Compared with the prior art, the advantages and positive effects of the utility model lie in that,

[0014] 1、in the utility model, through the front detection conveyor and the back detection conveyor, the industrial camera on the front detection conveyor can detect the front surface of the sheet material, the sheet material moves on the back detection conveyor, and the industrial camera at the position can detect the back surface of the sheet material, and the scheme can detect the front and back surfaces of the sheet material as the sheet material moves.

[0015] 2. The utility model discloses, through industrial camera replaces manual detection, realized the tender of complete detection, improved detection stability, the conveyer belt that sets up can speed regulation, and then match production speed, reach the detection requirement simultaneously, improved production efficiency, adopt the sorting conveyer belt, utilize the up and down swing of sorting conveyer belt, realized online detection online separation bad product. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of a small sheet material visual detection device is provided for the utility model;

[0017] Figure 2 A small sheet material visual detection device is provided for the utility model Figure 1 A bottom view structural schematic diagram is provided for the utility model;

[0018] Figure 3 A structure schematic diagram of the electric telescopic rod of a small sheet material visual detection device is provided for the utility model;

[0019] Figure 4 A bottom view structural schematic diagram is provided for Figure 3 .

[0020] Legend: 1, front detection conveyer belt; 2, industrial camera; 3, sorting conveyer belt; 4, back detection conveyer belt; 5, electric telescopic rod; 6, qualified product conveyer belt; 7, moving frame; 8, guide rail; 9, lifting plate; 10, electric push rod; 11, rack; 12, straight gear; 13, support arm; 14, limit frame; 15, screw rod; 16, support frame; 17, gear ring; 18, vacuum chuck; 19, rotating frame; 20, driving gear. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.

[0023] As Figures 1-4As shown, a small sheet material visual inspection device, including front detection conveyor belt 1, back detection conveyor belt 4 and qualified product conveyor belt 6, the front detection conveyor belt 1 and the back detection conveyor belt 4 are provided with industrial cameras 2 respectively for detecting the front and back of the sheet material, the front detection conveyor belt 1 and the back detection conveyor belt 4 and the back detection conveyor belt 4 and the qualified product conveyor belt 6 are all transitioned with sorting conveyor belts 3 for separating defective products, the qualified product conveyor belt 6 frame body terminal two sides are inserted with moving frame 7, the moving frame 7 is slidingly connected with lifting plate 9 for sheet material blanking and packaging:

[0024] In actual use, the existing mechanical arm is used to transfer the sheet material to the front detection conveyor belt 1, the sheet material moves to the industrial camera 2 of the front detection conveyor belt 1, the image of the front of the sheet material is acquired by the industrial camera 2, the acquired image is calculated by the existing technology, the front qualified sheet material is transferred to the back detection conveyor belt 4 through the horizontal sorting conveyor belt 3, and is lifted under the action of suction to temporarily separate from the back detection conveyor belt 4, then the industrial camera 2 on the back detection conveyor belt 4 moves to the lower side of the sheet material and shoots the back of the sheet material, or video, and the acquired image is calculated by the existing technology, the qualified sheet material is lowered and put back on the back detection conveyor belt 4 and transferred to the qualified product conveyor belt 6 through the end sorting conveyor belt 3, and finally enters the lifting plate 9 in the moving frame 7 to realize collection, and the unqualified sheet material is automatically dropped when passing through the nearby sorting conveyor belt 3, and the front detection conveyor belt 1, the back detection conveyor belt 4, the sorting conveyor belt 3 and the qualified product conveyor belt 6 in the scheme can directly use the existing belt conveyor.

[0025] In addition: two sorting conveyor belts 3 are respectively rotationally connected at the ends of the front detection conveyor belt 1 and the back detection conveyor belt 4, the bottom surfaces of the front detection conveyor belt 1 and the back detection conveyor belt 4 are rotationally connected with straight gears 12, the tooth surfaces of the straight gears 12 are fixedly connected with support arms 13 for supporting the bottom surfaces of the sorting conveyor belts 3, the rack gears 11 engaged with the straight gears 12 are inserted into the frame bodies of the front detection conveyor belt 1 and the back detection conveyor belt 4, in actual use, the rack gears 11 are driven to move by installing additional electric telescopic rods 5 on the front detection conveyor belt 1 and the back detection conveyor belt 4, and the engaged straight gears 12 drive the support arms 13 to swing downward, so that the sorting conveyor belts 3 supported by the support arms 13 also swing downward automatically under the action of gravity, thereby realizing the exclusion of unqualified sheet materials.

[0026] In addition: the front detection conveying belt 1 and the reverse side detection conveying belt 4 frame body one side are fixedly connected with support frame 16, the support frame 16 side of the reverse side detection conveying belt 4 is also rotatably connected with the straight gear 12 of the gear surface configuration support arm 13 and the rack 11 is inserted with the meshing connection of the straight gear 12, two industrial cameras 2 are respectively installed in the support frame 16 inner top surface of the front detection conveying belt 1 and the support arm 13 of the support frame 16 side of the reverse side detection conveying belt 4, and the same reason can choose the mode of installing the electric telescopic rod 5 at the support frame 16 of the reverse side detection conveying belt 4 to realize the movement of the rack 11, that is, the straight gear 12 drives the support arm 13 and the industrial camera 2 on its surface to rotate, by adjusting the position of the industrial camera 2, the interference of the sheet material upward movement can be avoided, and after the sheet material is lifted, the industrial camera 2 resets to detect the reverse side of the sheet material; the top surface of the support frame 16 on the reverse side detection conveying belt 4 is fixedly connected with the electric telescopic rod 5, the telescopic end of the electric telescopic rod 5 expands outward to form a disc shape, and the bottom surface of the telescopic end of the electric telescopic rod 5 is fixedly connected with the gear ring 17, the side edge of the telescopic end of the electric telescopic rod 5 is clamped with a plurality of rotating frames 19, the bottom surface of the rotating frame 19 is rotatably connected with the lead screw 15, and the end position is rotatably connected with the driving gear 20 meshing with the gear ring 17, the lead screw 15 is threadedly connected with the vacuum chuck 18 sleeved on the rotating frame 19, in the scheme, two motors available on the market can be selected to be installed on the rotating frame 19, the two motors are used to drive the lead screw 15 and the driving gear 20 to rotate, the rotation of the lead screw 15 can realize the sliding of the vacuum chuck 18 along the surface of the rotating frame 19 to adjust the position, and the rotation of the driving gear 20 can realize the rolling of the driving gear 20 on the gear ring 17 to realize the rotation of the rotating frame 19 to adjust the position, that is, the plurality of vacuum chucks 18 on the electric telescopic rod 5 can be adjusted according to the shape of the sheet material, the extension of the electric telescopic rod 5 realizes that the plurality of vacuum chucks 18 suck the front surface of the sheet material, and then the contraction of the electric telescopic rod 5 realizes the upward movement of the sheet material, which is convenient for detecting the reverse side.

[0027] In addition: the movable frame 7 side wall is fixedly connected with guide rails 8 inserted on both sides of the qualified product conveying belt 6 and is fixedly connected with the electric push rod 10 with the telescopic end connected with the side edge of the qualified product conveying belt 6, one side of the inner bottom surface of the movable frame 7 is fixedly connected with a limiting frame 14, the limiting frame 14 is also rotatably connected with a lead screw 15, one side of the lifting plate 9 extends to the lead screw 15 through the limiting frame 14 and is screw-connected to the lead screw 15; in actual use, the movable frame 7 is retracted to be clamped on the frame body of the qualified product conveying belt 6 through the electric push rod 10, and the lifting plate 9 is lifted to the bottom edge position of the qualified product conveying belt 6 by rotating the lead screw 15; when the sheet material on the qualified product conveying belt 6 moves to abut against the surface of the limiting frame 14, the electric push rod 10 is elongated to keep the movable frame 7 at the same moving speed as the sheet material, so that the sheet material can be automatically placed on the lifting plate 9; in addition, the limiting frame 14 in the scheme is vertically arranged and can also drive the internal lead screw 15 to rotate by installing a motor.

[0028] Working principle: the sheet material is transported to the front detection conveying belt 1 through the suction of the mechanical arm, the front detection of the sheet material is realized when the sheet material passes through the industrial camera 2 on the supporting frame 16; when qualified, the sorting conveying belt 3 at the end of the front detection conveying belt 1 remains horizontal, directly transports the sheet material to the back detection conveying belt 4, and the straight gear 12 on the supporting frame 16 of the back detection conveying belt 4 rotates to realize that the industrial camera 2 on the supporting arm 13 is out of position with the sheet material; after the sheet material moves to the lower side of the electric telescopic rod 5, the electric telescopic rod 5 is elongated to realize that the plurality of vacuum suction cups 18 are lowered to suck the front surface of the sheet material, and the sheet material is lifted by retracting the electric telescopic rod 5; then the straight gear 12 on the supporting frame 16 of the back detection conveying belt 4 rotates to reset to realize that the supporting arm 13 drives the industrial camera 2 installed at the end to move to the lower side of the sheet material to detect the back surface of the sheet material; then the industrial camera 2 rotates to be out of position with the sheet material, and the sheet material is placed back on the back detection conveying belt 4 by elongating the electric telescopic rod 5 again; the qualified sheet material directly passes through the qualified product conveying belt 6 to reach the lifting plate 9 on the movable frame 7 for collection.

[0029] The wiring diagram of the industrial camera 2, the belt conveyor, the electric telescopic rod 5, the vacuum suction cup 18, the electric push rod 10 and the motor in the utility model belongs to the public knowledge in the field, and the working principle is a known technology; the model is selected according to actual use, so the control mode and wiring arrangement of the industrial camera 2, the belt conveyor, the electric telescopic rod 5, the vacuum suction cup 18, the electric push rod 10 and the motor are not explained in detail.

[0030] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A small web material vision inspection apparatus, characterized by: Including the front detection conveying belt (1), the back detection conveying belt (4) and the qualified product conveying belt (6), the front detection conveying belt (1) and the back detection conveying belt (4) are provided with industrial camera (2) for detecting the front and back of sheet material respectively, the front detection conveying belt (1) and the back detection conveying belt (4) and the back detection conveying belt (4) and the qualified product conveying belt (6) are transitioned with sorting conveying belt (3) for separating defective products, the qualified product conveying belt (6) frame body end two sides are inserted with moving frame (7), the moving frame (7) is slidably connected with lifting plate (9) for sheet material blanking packaging.

2. The small sheet-like material vision inspection apparatus according to claim 1, characterized by: Two sorting conveying belts (3) are rotatably connected at the ends of the front detection conveying belt (1) and the back detection conveying belt (4) respectively.

3. The apparatus of claim 2, wherein: The bottom surface of the frame body of the front detection conveying belt (1) and the back detection conveying belt (4) is rotatably connected with a spur gear (12), the tooth surface of the spur gear (12) is fixedly connected with a support arm (13) for supporting the bottom surface of the frame body of the sorting conveying belt (3), and the frame body of the front detection conveying belt (1) and the back detection conveying belt (4) is inserted with a rack (11) engaged with the spur gear (12).

4. The apparatus of claim 1, wherein: The frame body of the front detection conveying belt (1) and the back detection conveying belt (4) is fixedly connected with a support frame (16) on one side, and the support frame (16) on the back detection conveying belt (4) is also rotatably connected with a spur gear (12) with a tooth surface configured support arm (13) and a rack (11) inserted with the spur gear (12) on one side near the bottom edge position, and two industrial cameras (2) are respectively installed on the top surface of the support frame (16) on the front detection conveying belt (1) and the support arm (13) on the side surface of the support frame (16) on the back detection conveying belt (4).

5. The apparatus of claim 4, wherein: The top surface of the support frame (16) on the back detection conveying belt (4) is fixedly connected with an electric telescopic rod (5), the telescopic end of the electric telescopic rod (5) is expanded outward to form a disc shape, and the bottom surface of the telescopic end of the electric telescopic rod (5) is fixedly connected with a gear ring (17), the side edge of the telescopic end of the electric telescopic rod (5) is clamped with a plurality of rotating frames (19), the bottom surface of the rotating frame (19) is rotatably connected with a lead screw (15), and the end position is rotatably connected with a driving gear (20) engaged with the gear ring (17), and the lead screw (15) is threadedly connected with a vacuum chuck (18) sleeved on the rotating frame (19).

6. The apparatus of claim 1, wherein: The side wall of the moving frame (7) is fixedly connected with a guide rail (8) inserted on both sides of the qualified product conveying belt (6), and is fixedly connected with an electric push rod (10) with the telescopic end connected with the side edge of the qualified product conveying belt (6).

7. The apparatus of claim 6, wherein: The inner bottom surface of the moving frame (7) is fixedly connected with a limiting frame (14) on one side, the limiting frame (14) is also rotatably connected with a lead screw (15), and one side of the lifting plate (9) extends through the limiting frame (14) and is threadedly connected with the lead screw (15).

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