Plate double-sided detection device

Abstract

The utility model provides a plate double-sided detection device which comprises a rack, an upper surface visual detection unit and a lower surface visual detection unit, the upper surface visual detection unit and the lower surface visual detection unit are arranged in the rack, two opposite surfaces of the rack are provided with two material ports, and roller shafts are erected on the outer wall of the rack and located at the material ports. The upper surface visual detection unit is located above the material opening and used for detecting the upper surface of the plate, the upper surface visual detection unit comprises a plurality of first detection cameras and first line scanning light sources arranged below the first detection cameras, the first detection cameras are arranged at the same horizontal height, and the first line scanning light sources are arranged below the first detection cameras. The lower surface visual detection unit is located below the material opening and used for detecting the lower surface of the plate, the lower surface visual detection unit comprises a plurality of second detection cameras and a second line scanning light source arranged above the second detection cameras, and the second detection cameras are arranged at the same horizontal height. Meanwhile, the upper and lower surfaces of the plate are detected, the detection efficiency is high, the applicability is high, and the cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment field especially relates to a board double -sided detection device. BACKGROUND

[0002] Metal plate is easy to appear various defects such as scratch, spot, depression in production or transfer process, so in order to not affect use, all want to carry out detection, and common detection method is artificial sampling inspection or equipment detection, and artificial detection defect efficiency is low, and visual fatigue is easy to produce, and detection standard is not unified, and it is easy to lead to inaccurate detection result, and part defect is difficult to detect problem, not suitable for mass continuous operation. Use detection equipment detection, generally this kind of equipment structure is complex, and the volume is big, and the cost is high, and for the board that needs double -sided detection, first one -sided detection is carried out, and then the other side detection is carried out after being turned over, so it is long, and the efficiency is low.

[0003] Therefore, it is necessary to design a board double -sided detection device to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the above, the utility model provides a kind of board double -sided detection device, the upper and lower surfaces of board are detected simultaneously, with high detection efficiency, high applicability and low cost.

[0005] The utility model in particular adopts the following technical solutions: a kind of board double -sided detection device, including rack, upper surface vision detection unit and lower surface vision detection unit being set in the inside of rack, two material ports are set on the opposite two sides of the rack, and roller shaft is erected on the outer wall of the rack at the material port, the upper surface vision detection unit is located above the material port, for detecting the upper surface of board, the upper surface vision detection unit includes multiple first detection cameras and first line scanning light source being set in the oblique lower side of the first detection camera, multiple first detection cameras are arranged at the same level height, the lower surface vision detection unit is located below the material port, for detecting the lower surface of board, the lower surface vision detection unit includes multiple second detection cameras and second line scanning light source being set above the second detection camera, multiple second detection cameras are arranged at the same level height.

[0006] As a further improvement of the utility model, the first detection camera and the second detection camera are both set on the rack through camera mounting seat, the camera mounting seat includes mounting plate, limiting plate, adjusting block, adjusting arm, the limiting plate is fixed on the mounting plate, the limiting plate is provided with sliding slot, the adjusting block is arranged in the sliding slot, the adjusting arm is arranged on the adjusting block, the first detection camera and the second detection camera are arranged on the respective adjusting arm.

[0007] As a further improvement of the utility model, horizontal strip holes are formed on the mounting plate, vertical strip holes are formed on the adjusting block, two arc-shaped holes are symmetrically formed on the adjusting arm, and adjusting screws are arranged in the horizontal strip holes, the vertical strip holes and the arc-shaped holes.

[0008] As a further improvement of the utility model, the mounting plate is erected on the rack through the connecting plate.

[0009] As a further improvement of the utility model, the adjusting arm is provided with a scale disc.

[0010] As a further improvement of the utility model, the first line-scan light source and the second line-scan light source are arranged on the rack through the light source mounting seat.

[0011] As a further improvement of the utility model, the light source mounting seat comprises a light source mounting plate, a light source adjusting plate and a light source fixing plate, the light source mounting plate is arranged on the rack, the light source fixing plate is arranged on the light source adjusting plate through adjusting screws, and the first line-scan light source and the second line-scan light source are arranged on the respective light source fixing plates.

[0012] As a further improvement of the utility model, two rotation holes are symmetrically formed on the light source mounting plate, two rows of symmetric displacement holes are formed on the light source adjusting plate, and adjusting screws are arranged in the rotation holes and the displacement holes.

[0013] As a further improvement of the utility model, a metering device is detachably erected above the roller shaft at the material inlet, and a gap is formed between the roller shaft and the metering device.

[0014] As a further improvement of the utility model, the first detection camera and the second detection camera are line-scan cameras.

[0015] The plate double-face detection device can provide traction for plate material conveying through manual operation, can directly form a flow line production with automatic equipment, has the advantages of simple and compact structure, small volume, small floor space and low cost, two sets of visual detection units are arranged in the equipment, the upper and lower surfaces of the plate can be simultaneously detected, a plurality of detection cameras are arranged in each set of visual detection unit, the range of the width dimension of the plate can be covered, the size application range and detection efficiency of the whole plate detection device are improved. The positions and angles of the detection cameras and the line-scan light source can be flexibly adjusted, and the detection cameras and the line-scan light source can be detachable, so that the detection cameras and the line-scan light source are convenient to adjust and maintain. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the plate double-face detection device.

[0017] Figure 2The utility model discloses a double -sided detection device of board stereo structure schematic diagram (not with the fender) of board.

[0018] Figure 3 It is the utility model upper surface vision detection unit and lower surface vision detection unit partial schematic view.

[0019] Figure 4 It is the utility model first detection camera (or second detection camera) installation connection schematic drawing.

[0020] Figure 5 It is the utility model first line sweep light source (or second line sweep light source) installation connection schematic drawing. Specific implementation

[0021] The utility model will be further explained in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limit the utility model. In addition, it needs to be explained that in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0022] In the description of the utility model, it needs to be explained that unless there is explicit provision and limitation, the terms "arrangement", "connection" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected or integrally connected, can be mechanically connected or electrically connected, can be directly connected or indirectly connected through an intermediate medium, can be the communication inside two elements, and for the person skilled in the art, the specific meaning of the above terms in the application can be understood through the specific circumstances.

[0023] Reference Figures 1-4The plate double-face detection device of the embodiment comprises a rack 1, an upper surface visual detection unit 2 and a lower surface visual detection unit 3 arranged inside the rack 1, the rack 1 is built into a frame by a support column 12, a guard plate 13 is installed on the support column frame to protect the two visual detection units inside. Two material openings 11 are arranged at corresponding positions on opposite surfaces of the rack 1, the two material openings 11 are of the same size and are used for feeding and discharging materials, the plate 100 enters the rack 1 from the material opening 11 on one surface for detection and is continuously conveyed out from the material opening 11 on the other surface. Rollers 4 are arranged on the outer wall of the rack 1 at the material openings 11, the upper surface visual detection unit 2 is arranged above the area where the material openings 11 are located and is used for detecting the upper surface of the plate 100, the upper surface visual detection unit 2 comprises a plurality of first detection cameras 21 and a first line scanning light source 22 arranged obliquely below the first detection cameras 21, the plurality of first detection cameras 21 are arranged at the same horizontal height, the combined detection field of view of the plurality of first detection cameras 21 covers the width of the plate 100, and there is an overlapping area in the field of view of the plurality of detection cameras, and the first line scanning light source 22 provides surface illumination for all the first detection cameras 21 across the rack 1. The lower surface visual detection unit 3 is arranged below the area where the material openings 11 are located and is used for detecting the lower surface of the plate 100, the lower surface visual detection unit 3 comprises a plurality of second detection cameras 31 and a second line scanning light source 32 arranged above the second detection cameras 31, the plurality of second detection cameras 31 are arranged at the same horizontal height, the combined detection field of view of the plurality of second detection cameras 31 covers the width of the plate, and there is an overlapping area in the field of view of the plurality of detection cameras, and the second line scanning light source 32 provides surface illumination for all the second detection cameras 31 across the rack. The first detection cameras 21 and the second detection cameras 31 are 8k line scanning cameras. In addition, a metering device 5 is detachably arranged above the rollers 4 at the material openings 11, there is a gap between the rollers 4 and the metering device 5, the plate 100 is conveyed on the rollers 4 by an external traction device or manually, and the metering device 5 measures the distance of the plate 100.

[0024] Specifically, each of the first detection cameras 21 and the second detection cameras 31 is arranged on the rack 1 through a corresponding camera mounting seat 6, for reference Figure 4The camera mounting seat 6 comprises a mounting plate 61, a limiting plate 62, an adjusting block 63 and an adjusting arm 64. The limiting plate 62 is fixed on the mounting plate 61, and a sliding groove 621 is formed on the limiting plate 62. The adjusting block 63 is arranged in the sliding groove 621. The adjusting arm 64 is arranged on the adjusting block 63. The first detection camera 21 and the second detection camera 31 are arranged on the respective adjusting arm 64. A horizontal slot hole 611 is formed on the mounting plate 61. A vertical slot hole 631 is formed on the adjusting block 63. Two arc-shaped holes 641 are symmetrically formed on the adjusting arm 64. Adjusting screws are arranged in the horizontal slot hole 611, the vertical slot hole 631 and the arc-shaped holes 641. The mounting plate 61 is arranged on the rack 1 through the connecting plate 14. The two ends of the connecting plate 14 are fixed on the stand column 12 of the rack 1. The adjusting screws are threadedly connected to the connecting plate 14 through the horizontal slot hole 611 of the mounting plate 61. By loosening the adjusting screws, the horizontal position of the mounting plate 61 on the connecting plate 14 can be manually changed, so as to change the horizontal position of the detection camera (hereinafter referred to as the first detection camera 21 or / and the second detection camera 31) on the connecting plate 14. By tightening the adjusting screws, the position of the detection camera is fixed. In the same way, by tightening the adjusting screws in the vertical slot hole 631, the position of the adjusting block 63 in the sliding groove 621 can be changed, so as to change the height of the detection camera. By tightening the adjusting screws in the arc-shaped holes 641, the detection camera can be swung, so as to change the inclination angle of the detection camera. In this embodiment, two detection cameras are arranged on one connecting plate 14.

[0025] Meanwhile, the adjusting arm 64 is provided with a scale disc 641, and the scale disc 641 is marked with an angle scale. When the inclination of the detection camera is adjusted, the scale disc 641 can be used to quantitatively swing the angle.

[0026] Further referring to Figure 5The first line-scan light source 22 and the second line-scan light source 32 are arranged on the rack 1 through the respective corresponding light source mounting seat 7. The light source mounting seat 7 comprises a light source mounting plate 71, a light source adjusting plate 72 and a light source fixing plate 73. The light source mounting plate 71 is arranged on the rack 1, and the light source fixing plate 73 is arranged on the light source adjusting plate 72 through adjusting screws. The first line-scan light source 22 and the second line-scan light source 32 are arranged on the respective corresponding light source fixing plate. Two symmetrical rotating holes 711 are arranged on the light source mounting plate 71, and the rotating holes 711 are arc-shaped holes. Two rows of symmetrical displacement holes 721 are arranged on the light source adjusting plate 72, and the displacement holes 721 are strip-shaped holes. Adjusting screws are arranged in the rotating holes 711 and the displacement holes 721. The light source mounting plate 71 is fixed on the rack 1, the adjusting screws are threadedly connected to the light source adjusting plate 72 through the rotating holes 711, the angle of the light source adjusting plate 72 on the light source mounting plate 71 can be manually changed by loosening the adjusting screws, and then the angle of the line-scan light source (hereinafter, the line-scan light source means the first line-scan light source or / and the second line-scan light source) on the light source mounting plate 71 is changed, so that the line-scan light source can be flexibly adapted to the adjustment of the detection camera. The position of the camera is fixed by tightening the adjusting screws. Similarly, the position of the light source fixing plate 73 on the light source adjusting plate 72 is changed by tightening the adjusting screws in the displacement holes 721, and then the height of the line-scan light source is changed.

[0027] In addition, the above embodiments are only used for describing the technical solutions described in the present application and not limiting the technical solutions described in the present application. The understanding of the present application should be based on the technical personnel in the technical field. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical personnel in the technical field can still modify or equivalently replace the present application, and all technical solutions and improvements which do not deviate from the spirit and scope of the present application should be covered in the scope of the claims of the present application.

Claims

1. A board double-side detection device, characterized in that: The machine frame, the upper surface vision detection unit and the lower surface vision detection unit arranged inside the machine frame, two material openings are arranged on opposite sides of the machine frame, a roller shaft is arranged on the outer wall of the machine frame at the material opening, the upper surface vision detection unit is arranged above the material opening and is used for detecting the upper surface of the plate, the upper surface vision detection unit comprises a plurality of first detection cameras and a first line scanning light source arranged obliquely below the first detection cameras, the first detection cameras are arranged at the same height, the lower surface vision detection unit is arranged below the material opening and is used for detecting the lower surface of the plate, the lower surface vision detection unit comprises a plurality of second detection cameras and a second line scanning light source arranged above the second detection cameras, and the second detection cameras are arranged at the same height.

2. The board double-side inspection apparatus according to claim 1, wherein The first detection camera and the second detection camera are arranged on the machine frame through a camera mounting seat, the camera mounting seat comprises a mounting plate, a limiting plate, an adjusting block and an adjusting arm, the limiting plate is fixed on the mounting plate, a sliding groove is arranged on the limiting plate, the adjusting block is arranged in the sliding groove, the adjusting arm is arranged on the adjusting block, and the first detection camera and the second detection camera are arranged on the corresponding adjusting arm.

3. The board double-side detecting apparatus according to claim 2, wherein: A horizontal slot is arranged on the mounting plate, a vertical slot is arranged on the adjusting block, and two arc-shaped holes are symmetrically arranged on the adjusting arm, and adjusting screws are arranged in the horizontal slot, the vertical slot and the arc-shaped hole.

4. The board double-side detecting apparatus according to claim 2 or 3, characterized by: The mounting plate is arranged on the machine frame through a connecting plate.

5. The board double-side detecting apparatus according to claim 4, wherein: The adjusting arm is provided with a scale disc.

6. The board double-side detecting apparatus according to claim 1, wherein: The first line scanning light source and the second line scanning light source are arranged on the machine frame through a light source mounting seat.

7. The board double-side detecting apparatus according to claim 6, wherein: The light source mounting seat comprises a light source mounting plate, a light source adjusting plate and a light source fixing plate, the light source mounting plate is arranged on the machine frame, the light source fixing plate is arranged on the light source adjusting plate through adjusting screws, and the first line scanning light source and the second line scanning light source are arranged on the corresponding light source fixing plate.

8. The board double-side detecting apparatus according to claim 7, wherein: Two rotating holes are symmetrically arranged on the light source mounting plate, two rows of symmetric displacement holes are arranged on the light source adjusting plate, and adjusting screws are arranged in the rotating hole and the displacement hole.

9. The board double-side detecting apparatus according to claim 1, wherein: A meter counter is detachably arranged above the roller shaft at the material opening, and a gap is formed between the roller shaft and the meter counter.

10. The apparatus for double-sided detection of a board according to claim 1, wherein: The first detection camera and the second detection camera are line scanning cameras.

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