Adsorption type full-breadth detection device for new aluminum material

Abstract

The utility model relates to an adsorption type full-breadth detection device for new aluminum materials. A first adsorption belt (12) and a second adsorption belt (13) are arranged at an interval, and the upper surfaces of the first adsorption belt (12) and the second adsorption belt (13) are flush; an aluminum plate to be detected is firstly placed on the first adsorption belt (12) to be adsorbed and conveyed, the upper surface of the aluminum plate is subjected to appearance detection through the optical imaging assembly (14) on the upper side, the aluminum plate is gradually moved out of the first adsorption belt (12), and in the process that the aluminum plate passes through the interval and is moved into the second adsorption belt (13), the appearance of the aluminum plate is detected. The optical imaging component (14) on the lower side is used for detecting the appearance of the lower surface of the aluminum plate, so that the appearance detection on the upper surface and the lower surface of the aluminum plate can be realized through single operation, the detection efficiency is improved, the aluminum plate is prevented from vibrating along with equipment due to the adsorption effect, the detection stability is ensured, and the influence on visual photographing and image taking is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of appearance detection, in particular to an adsorption type full-surface detection device for a new aluminum material. Background Art

[0002] The appearance detection system is mainly used for quickly identifying appearance defects of samples, such as pits, cracks, warping, gaps, stains, sand grains, burrs, bubbles, uneven colors, etc. It can effectively detect continuous weak defect flaws occurring in the production process, prevent the expansion of losses, and realize quality control of the production process. The sample to be detected can be a transparent or opaque body with an indefinite shape. Traditional product appearance detection is generally carried out by the naked eye, but it will lead to inconsistent measurement standards due to human factors and misjudgment in the case of long-term detection. With the development and in-depth cooperation of computer technology and optoelectronic technology, the assembly-line type appearance detection system has been widely used due to its fast and accurate detection characteristics. When performing assembly-line type appearance detection on aluminum plates, the existing detection system can only detect one side of the aluminum plate during a single operation, while the other side cannot be detected due to interference and occlusion of the mechanism, resulting in low detection efficiency. Moreover, the aluminum plate is prone to vibrate with the equipment and runs unstably, which has a great impact on visual photography and image acquisition. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is that the existing aluminum plate detection system can only detect one side of the aluminum plate during a single operation, while the other side cannot be detected due to interference and occlusion of the mechanism, resulting in low detection efficiency. Moreover, the aluminum plate is prone to vibrate with the equipment and runs unstably, which has a great impact on visual photography and image acquisition.

[0004] To solve the above problems, the utility model provides an adsorption type full-surface detection device for a new aluminum material, which includes a detection support and a conveying support. A first adsorption belt and a second adsorption belt are successively arranged on the detection support. The first adsorption belt and the second adsorption belt have a gap and their upper surfaces are flush. Optical imaging components are arranged on both the upper and lower sides of the first adsorption belt and the second adsorption belt, respectively, for performing appearance detection on the upper and lower surfaces of the aluminum plate. A conveying belt is arranged on the conveying support.

[0005] The adsorption type full-surface detection device for a new aluminum material provided by the utility model further has the following technical features:

[0006] A third adsorption belt is arranged on the detection support, and the third adsorption belt is arranged at the gap between the first adsorption belt and the second adsorption belt. The lower surface of the third adsorption belt is higher than the upper surfaces of the first adsorption belt and the second adsorption belt.

[0007] The optical imaging assembly includes a camera and a light source. The optical paths of the camera and the light source on the upper side intersect at the upper surface of the first adsorption belt, and the optical paths of the camera and the light source on the lower side intersect at the lower surface of the third adsorption belt.

[0008] Both the camera and the light source are connected to the detection bracket through an adjustment plate. A position adjustment component is provided between the adjustment plate and the detection bracket for adjusting the position of the camera or the light source, and an angle adjustment component is provided between the adjustment plate and the camera or the light source for adjusting the orientation angle of the camera or the light source.

[0009] The input end of the conveyor belt is close to the output end of the second adsorption belt. Along the running direction of the conveyor belt on the conveyor bracket, a rejection component and a defective product bin are successively provided. The rejection component and the defective product bin are arranged on both sides of the output end of the conveyor belt. The rejection component is arranged below the upper surface of the conveyor belt, and the bottom of the defective product bin is arranged above the upper surface of the conveyor belt to form a qualified product outlet; the rejection component can convey the unqualified aluminum sheets into the defective product bin for rejection and convey the qualified aluminum sheets to the qualified product outlet.

[0010] The rejection component includes a rotating shaft and a guide rod perpendicularly fixed to the rotating shaft. A plurality of guide rods are arranged at intervals along the length direction of the rotating shaft and are all arranged on the same side of the rotating shaft;

[0011] When the guide rod rotates to the horizontal state, it is located below the upper surface of the conveyor belt. The qualified aluminum sheets are conveyed by the conveyor belt to the qualified product outlet. When the guide rod rotates to the inclined state, its end is located above the upper surface of the conveyor belt to convey the unqualified aluminum sheets into the defective product bin for rejection.

[0012] On the conveyor bracket, a main shaft and a side shaft are rotatably provided. A plurality of driving wheels are arranged at intervals on the main shaft. The two side shafts are respectively arranged on both sides of the main shaft. A plurality of driven wheels are arranged at intervals on the side shafts. The driving wheels and the driven wheels are connected by belt drive of the conveyor belt.

[0013] On the conveyor bracket, a support shaft is provided. A plurality of support plates are arranged at intervals on the support shaft. The end of the support plate is rotatably provided with a tensioning wheel, and the tensioning wheel is arranged inside the conveyor belt.

[0014] The utility model has the following beneficial effects: The aluminum sheet to be detected is first placed on the first adsorption belt for adsorption and transportation. The upper optical imaging component performs appearance detection on the upper surface of the aluminum sheet. During the process that the aluminum sheet gradually moves out of the first adsorption belt, passes through the interval, and moves into the second adsorption belt, the lower optical imaging component performs appearance detection on the lower surface of the aluminum sheet, so as to realize the appearance detection of the upper and lower surfaces of the aluminum sheet in a single operation, improve the detection efficiency, and the aluminum sheet is prevented from vibrating with the equipment due to the adsorption effect, ensuring the stability of the detection and avoiding affecting the visual photography and imaging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view of the utility model;

[0016] Figure 2 is the axonometric view of the utility model;

[0017] Figure 3 is Figure 1 the partial enlarged view of;

[0018] Figure 4 is Figure 2 the partial enlarged view of;

[0019] Figure 5 is the top view of the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0021] As Figures 1 to 5 shown, the adsorption type full - width detection device for new aluminum materials of the present utility model includes a detection bracket 10 and a conveying bracket 11. A first adsorption belt 12 and a second adsorption belt 13 are successively arranged on the detection bracket 10. The first adsorption belt 12 and the second adsorption belt 13 have an interval and their upper surfaces are flush; optical imaging components 14 are arranged on both the upper and lower sides of the first adsorption belt 12 and the second adsorption belt 13, respectively for performing appearance detection on the upper and lower surfaces of the aluminum sheet; a conveying belt 15 is arranged on the conveying bracket 11.

[0022] The aluminum sheet to be detected is first placed on the first adsorption belt 12 for adsorption and transportation. The upper optical imaging component 14 performs appearance detection on the upper surface of the aluminum sheet. During the process that the aluminum sheet gradually moves out of the first adsorption belt 12, passes through the interval, and moves into the second adsorption belt 13, the lower optical imaging component 14 performs appearance detection on the lower surface of the aluminum sheet. Thus, the appearance detection of the upper and lower surfaces of the aluminum sheet can be realized in a single run, improving the detection efficiency. Moreover, due to the adsorption effect, the aluminum sheet is prevented from vibrating with the equipment, ensuring the stability of detection and avoiding affecting visual photography and image acquisition.

[0023] Among them, both the first adsorption belt 12 and the second adsorption belt 13 are negative-pressure adsorption belts. A negative-pressure pump, pipelines, a control module, etc. corresponding to the negative-pressure adsorption belts are provided on the detection bracket 10. A plurality of adsorption holes communicated with the pipelines are evenly distributed on the first adsorption belt 12 and the second adsorption belt 13. The negative pressure generated by the negative-pressure pump is transmitted to the adsorption holes through the pipelines and acts on the surface of the aluminum sheet to firmly adsorb the aluminum sheet, ensuring the stability of detection. The negative-pressure pump can be turned off as needed to cancel the adsorption effect on the aluminum sheet; both the head and tail ends of the negative-pressure adsorption belt are provided with transmission rollers and are driven by a motor. The structure and setting method of the negative-pressure adsorption belt are prior arts and will not be elaborated here.

[0024] Among them, the conveying line speeds of the negative-pressure adsorption belt and the conveying belt 15 are 2 m / s.

[0025] Among them, a plurality of floor feet 16 are provided at the bottoms of the detection bracket 10 and the conveying bracket 11 for stable support. Of course, the detection bracket 10 and the conveying bracket 11 can also be directly fixed to the ground through expansion screws.

[0026] Preferably, a third adsorption belt 17 is provided on the detection bracket 10. The third adsorption belt 17 is arranged at the interval between the first adsorption belt 12 and the second adsorption belt 13, and the lower surface of the third adsorption belt 17 is higher than the upper surfaces of the first adsorption belt 12 and the second adsorption belt 13.

[0027] When the width of the aluminum sheet is close to the interval width between the first adsorption belt 12 and the second adsorption belt 13, the third adsorption belt 17 is provided to adsorb and convey the upper surface of the aluminum sheet, so that when the aluminum sheet moves to the interval, the first adsorption belt 12 and the second adsorption belt 13 cancel the adsorption on the lower surface of the aluminum sheet, and at the same time, the third adsorption belt 17 adsorbs the upper surface of the aluminum sheet.

[0028] Among them, the working principle of the third adsorption belt 17 is the same as that of the first adsorption belt 12 and the second adsorption belt 13.

[0029] Among them, the length of the third adsorption belt 17 is greater than the width of the interval, preferably 3 to 5 times the width of the interval.

[0030] Preferably, the optical imaging assembly 14 includes a camera 18 and a light source 19. The optical paths of the camera 18 and the light source 19 on the upper side intersect at the upper surface of the first adsorption belt 12, and the optical paths of the camera 18 and the light source 19 on the lower side intersect at the lower surface of the third adsorption belt 17, so that the light source 19 illuminates the camera for taking pictures, and the optical path is as Figure 1 shown by the dotted line in the figure to improve the clarity of the acquired image.

[0031] Among them, the included angle between the optical path of the camera 18 and the vertical line is 30°, and the included angle between the optical path of the light source 19 and the vertical line is 30°.

[0032] Among them, the optical paths of the camera 18 and the light source 19 are unobstructed during transmission.

[0033] Among them, multiple cameras 18 can be set as industrial cameras with CCD optical coupling sensors as components to capture clear pictures; multiple cameras 18 can be set to obtain a larger shooting angle.

[0034] Among them, multiple light sources 19 are arranged in a direction perpendicular to the running direction of the third adsorption belt 17 to better illuminate the camera 18 and facilitate taking clear pictures.

[0035] Preferably, referring to Figure 3 、 Figure 4 , both the camera 18 and the light source 19 are connected to the detection bracket 10 through an adjustment plate 20. A position adjustment component is provided between the adjustment plate 20 and the detection bracket 10 for adjusting the position of the camera 18 or the light source 19, and an angle adjustment component is provided between the adjustment plate 20 and the camera 18 or the light source 19 for adjusting the orientation angle of the camera 18 or the light source 19.

[0036] Among them, the structure of the position adjustment component is: multiple threaded holes are provided on the detection bracket 10, and elongated holes 21 are correspondingly opened on the adjustment plate 20. Bolts can pass through the elongated holes 21 and cooperate with the threaded holes to be locked, and the bolts can slide along the elongated holes 21.

[0037] Among them, the structure of the angle adjustment component is: multiple threaded holes are provided on the adjustment plate 20. The camera 18 is arranged on a support plate 22, and an arc-shaped hole 23 is opened on the support plate 22; arc-shaped holes 23 are opened on the adjustment plate 20, and multiple light sources 19 are arranged at intervals on a rotating plate 24, and multiple threaded holes are provided on the rotating plate 24. Bolts can pass through the arc-shaped holes 23 and cooperate with the threaded holes to be locked, and the bolts can slide along the arc-shaped holes 23.

[0038] Preferably, the input end of the conveying belt 15 is close to the output end of the second adsorption belt 13. Along the running direction of the conveying belt 15 on the conveying support 11, a rejection component 31 and a defective product bin 32 are successively arranged. The rejection component 31 and the defective product bin 32 are arranged on both sides of the output end of the conveying belt 15, and the rejection component 31 is arranged below the upper surface of the conveying belt 15, and the bottom of the defective product bin 32 is arranged above the upper surface of the conveying belt 15 to form a qualified product outlet 33. The rejection component 31 can convey the unqualified aluminum plates into the defective product bin 32 for rejection, and convey the qualified aluminum plates to the qualified product outlet 33.

[0039] Among them, the defective product bin 32 is arranged to incline upward along the running direction of the conveying belt 15.

[0040] Among them, there is a gap between the bottom of the defective product bin 32 and the upper surface of the conveying belt 15, and the gap is larger than the thickness of the aluminum plate to form a qualified product outlet 33 at the gap.

[0041] Preferably, the rejection component 31 includes a rotating shaft 34 and a guide rod 35 vertically fixed to the rotating shaft 34. A plurality of guide rods 35 are arranged at intervals along the length direction of the rotating shaft 34 and are all arranged on the same side of the rotating shaft 34.

[0042] When the guide rod 35 rotates to the horizontal state, it is located below the upper surface of the conveying belt 15. The qualified aluminum plates are conveyed by the conveying belt 15 to the qualified product outlet 33. When the guide rod 35 rotates to the inclined state, its end is located above the upper surface of the conveying belt 15 to convey the unqualified aluminum plates into the defective product bin 32 for rejection.

[0043] Among them, a driving device is arranged on the conveying support 11 for driving the rotating shaft 34 to reciprocally rotate at a certain angle.

[0044] Among them, a guide roller is rotatably arranged at the bottom of the defective product bin 32.

[0045] Among them, the upper surface of the guide rod 35 is smoothly arranged to avoid damaging or contaminating the surface of the aluminum plate.

[0046] Preferably, a main shaft 36 and a side shaft 37 are rotatably arranged on the conveying support 11. A plurality of driving wheels 38 are arranged at intervals on the main shaft 36. The two side shafts 37 are respectively arranged on both sides of the main shaft 36. A plurality of driven wheels 39 are arranged at intervals on the side shaft 37. The driving wheels 38 and the driven wheels 39 are connected by belt drive through the conveying belt 15.

[0047] Among them, the number of driving wheels 38 is twice that of driven wheels 39.

[0048] Among them, the main shaft 36 is driven by a motor arranged on the conveying support 11.

[0049] Preferably, a support shaft 40 is provided on the conveying bracket 11, and a plurality of support plates 41 are provided at intervals on the support shaft 40. A tension wheel 42 is rotatably provided at the end of the support plate 41, and the tension wheel 42 is arranged inside the conveying belt 15.

[0050] Wherein, it further includes a high-speed image processing system and corresponding defect algorithm software. After the optical imaging component 14 acquires the appearance image information of the aluminum sheet, the high-speed image processing system can extract the appearance defects existing in the appearance image information, generate an appearance defect image and compare it with a preset quality standard or a stored image library, output a classification conveying signal corresponding to the current aluminum sheet, that is, a qualified signal or an unqualified signal, and respectively convey them to the qualified product outlet 33 and the unqualified product bin 32; during the detection process, when an unqualified signal appears, an audible and visual alarm can be given to indicate that there are defects in the current aluminum sheet.

[0051] Wherein, the process and method of defect analysis for the acquired appearance image are prior art and will not be elaborated here.

[0052] The working principle of the present utility model is as follows:

[0053] When the width of the aluminum sheet is greater than or much greater than the interval width between the first adsorption belt 12 and the second adsorption belt 13, the aluminum sheet to be detected is first placed on the first adsorption belt 12 for adsorption and conveying. The upper camera 18 takes a picture of the upper surface of the aluminum sheet, and at the same time, the upper light source 19 cooperates for lighting; during the process that the aluminum sheet gradually moves out of the first adsorption belt 12, passes through the interval between the first adsorption belt 12 and the second adsorption belt 13, and moves into the second adsorption belt 13, the lower camera 18 takes a picture of the lower surface of the aluminum sheet, and at the same time, the lower light source 19 cooperates for lighting, so as to realize taking pictures of the upper and lower surfaces of the aluminum sheet in a single operation, improve the detection efficiency at the same time, and the aluminum sheet is avoided from vibrating with the equipment due to the adsorption effect, ensuring the stability of the detection and avoiding affecting the visual photography and image acquisition.

[0054] The aluminum sheet after appearance detection enters the conveying belt 15 for discharging and conveying. By quickly obtaining clear pictures of the upper and lower surfaces of the aluminum sheet and performing real-time analysis by the image processing system and the defect algorithm software, the appearance defect image of the corresponding sheet can be displayed in real time, and the operation of the rejection component 31 can be controlled to make the rotating shaft 34 and the guide rod 35 rotate: when the guide rod 35 rotates to the horizontal state, it is located below the upper surface of the conveying belt 15, and the qualified aluminum sheet is conveyed by the conveying belt 15 to the qualified product outlet 33; when the guide rod 35 rotates to the inclined state, its end is located above the upper surface of the conveying belt 15 to convey the unqualified aluminum sheet into the unqualified product bin 32 for rejection.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A new aluminum material adsorption-type full-width detection device, characterized in that: The invention comprises a detection bracket (10) and a conveying bracket (11); the detection bracket (10) is provided with a first adsorption belt (12) and a second adsorption belt (13) in sequence; the first adsorption belt (12) and the second adsorption belt (13) are spaced apart and have flush upper surfaces; optical imaging components (14) are provided on the upper and lower sides of the first adsorption belt (12) and the second adsorption belt (13), respectively used to perform appearance inspection on the upper and lower surfaces of the aluminum plate; and the conveying bracket (11) is provided with a conveying belt (15).

2. The aluminum new material adsorption-type full-width detection device according to claim 1 is characterized in that: The detection bracket (10) is provided with a third adsorption belt (17), the third adsorption belt (17) is arranged at the interval between the first adsorption belt (12) and the second adsorption belt (13), and the lower surface of the third adsorption belt (17) is higher than the upper surfaces of the first adsorption belt (12) and the second adsorption belt (13).

3. The aluminum new material adsorption-type full-width detection device according to claim 1 is characterized in that: The optical imaging assembly (14) comprises a camera (18) and a light source (19); the light paths of the upper camera (18) and the light source (19) intersect at the upper surface of the first adsorption belt (12); and the light paths of the lower camera (18) and the light source (19) intersect at the lower surface of the third adsorption belt (17).

4. The aluminum new material adsorption-type full-width detection device according to claim 3 is characterized in that: The camera (18) and the light source (19) are both connected to the detection bracket (10) via an adjustment plate (20); a position adjustment component is provided between the adjustment plate (20) and the detection bracket (10) for adjusting the position of the camera (18) or the light source (19); and an angle adjustment component is provided between the adjustment plate (20) and the camera (18) or the light source (19) for adjusting the orientation angle of the camera (18) or the light source (19).

5. The aluminum new material adsorption-type full-width detection device according to claim 1 is characterized in that: The input end of the conveyor belt (15) is close to the output end of the second adsorption belt (13); a rejection component (31) and a defective product bin (32) are sequentially arranged on the conveyor bracket (11) along the running direction of the conveyor belt (15); the rejection component (31) and the defective product bin (32) are arranged on both sides of the output end of the conveyor belt (15); the rejection component (31) is arranged below the upper surface of the conveyor belt (15); the bottom of the defective product bin (32) is arranged above the upper surface of the conveyor belt (15) to form a qualified product outflow (33); the rejection component (31) can convey defective aluminum plates into the defective product bin (32) for rejection, and convey qualified aluminum plates to the qualified product outflow (33).

6. The aluminum new material adsorption-type full-width detection device according to claim 5 is characterized in that: The rejecting assembly (31) comprises a rotating shaft (34) and a guide rod (35) fixed perpendicularly to the rotating shaft (34); a plurality of guide rods (35) are arranged at intervals along the length direction of the rotating shaft (34) and are all arranged on the same side of the rotating shaft (34); When the guide rod (35) is rotated to a horizontal state, it is located below the upper surface of the conveyor belt (15), and qualified aluminum plates are conveyed by the conveyor belt (15) to the qualified product outflow outlet (33). When the guide rod (35) is rotated to an inclined state, its end is located above the upper surface of the conveyor belt (15), so that unqualified aluminum plates are conveyed to the unqualified product bin (32) for removal.

7. The aluminum new material adsorption-type full-width detection device according to claim 1 is characterized in that: The conveying bracket (11) is rotatably provided with a main shaft (36) and a side shaft (37); a plurality of driving wheels (38) are arranged at intervals on the main shaft (36); two side shafts (37) are respectively arranged on both sides of the main shaft (36); a plurality of driven wheels (39) are arranged at intervals on the side shaft (37); and the driving wheel (38) and the driven wheel (39) are connected to each other via a conveying belt (15) through a belt transmission.

8. The aluminum new material adsorption-type full-width detection device according to claim 7 is characterized in that: The conveying bracket (11) is provided with a support shaft (40), a plurality of support plates (41) are provided at intervals on the support shaft (40), and a tensioning wheel (42) is rotatably provided at the end of the support plate (41), and the tensioning wheel (42) is arranged on the inner side of the conveying belt (15).

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