CN214052635U - L-shaped steel plate visual detection equipment with bending angle detection function - Google Patents

Abstract

The invention discloses an L-shaped steel plate visual detection device with a bending angle detection function, which comprises a bottom plate and a cross arm, wherein the upper left end of the bottom plate is provided with the cross arm, the left side and the right side of a storage bin are provided with T-shaped holes, the right side of an inductor is provided with a lifting rod, the upper left part of the bottom plate is provided with a half-rule wheel, a conveyor belt is arranged above a full gear, the left end of a flat plate is provided with a top block, the front part of a clamping block is provided with a push rod, the right side of the half-rule wheel is provided with a first motor, the top end of an upright post is provided with a supporting plate, a hydraulic rod is arranged above a cantilever, the periphery of a visual detector is provided with an outer part, a detector is arranged above a rotating plate, the right side of a first optical line sensor is provided with a slide rail, compared with the existing visual detection device, the L-shaped steel plate visual detection device with the bending angle detection function can visually detect the bending angle of an L-shaped steel plate, the detection process is simplified, and the method is well integrated into the processing and production procedures of the plate.

Description

L-shaped steel plate visual detection equipment with bending angle detection function

Technical Field

The invention relates to the technical field of visual detection, in particular to an L-shaped steel plate visual detection device with a bending angle detection function.

Background

In recent years, in order to cope with the trend of industrial development and the improvement of labor cost, many enterprises begin to use visual detection equipment, which is helpful for reducing unnecessary expenditure of the enterprises in the long term, and the visual detection equipment is a necessary way for the transformation and upgrading of the enterprises to move to intelligent manufacturing in the future.

The existing visual detection equipment cannot detect the bending angle of the L-shaped steel plate visually, and cannot be well integrated into the production and machining process of the L-shaped steel plate, the detection process is complex, and the product is required to be sorted manually in the later period, so that the visual detection equipment for the L-shaped steel plate with the bending angle detection function is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the L-shaped steel plate visual detection equipment with the bending angle detection function, and solves the problems that the general visual detection equipment cannot visually detect the bending angle of the L-shaped steel plate, cannot be well integrated into the production and processing process of the L-shaped steel plate, is relatively complex in detection process, and needs to manually sort products in the later period.

In order to achieve the purpose, the invention is realized by the following technical scheme: a visual detection device for L-shaped steel plates with bending angle detection function comprises a bottom plate and a cross arm, wherein the cross arm is arranged at the upper left end of the bottom plate, a storage bin is arranged below the middle part of the cross arm, T-shaped holes are formed in the left side and the right side of the storage bin, an inductor is arranged at the right side of the storage bin, a lifting rod is arranged at the right side of the inductor, a pressing plate is arranged at the lower end of the lifting rod, a half-rule wheel is arranged above the left part of the bottom plate, a full-gear is arranged above the half-rule wheel, a conveyor belt is arranged above the full-gear, a flat plate is arranged on the outer surface of the conveyor belt, a top block is arranged at the left end of the flat plate, a clamping block is arranged at the right side of the top block, a push rod is arranged in front of the clamping block, a first, a hydraulic rod is arranged above the cantilever, a vision detector is arranged on the right side of the hydraulic rod, a shell is arranged on the periphery of the vision detector, rotating plates are arranged on the left side and the right side of the shell, a detector is arranged above the rotating plates, a first light sensor is arranged on the right side of the rotating plates, a sliding rail is arranged on the right side of the first light sensor, a laser emitting port is arranged on the right side of the sliding rail, three cameras are arranged above the laser emitting port, a second light sensor is arranged above the cameras, a back plate lamp is arranged behind the second light sensor, a first mechanical arm is arranged on the right side of the vision detector, a second motor is arranged in front of the first mechanical arm, a circular cutter is arranged below the second motor, a positioning instrument is arranged below the circular cutter, a waste frame is arranged below the right side of the conveying belt, and a second mechanical arm is arranged on the right side of the waste frame, the lower left end of the second mechanical arm is provided with a mechanical claw, and the right of the second mechanical arm is provided with a finished frame.

Preferably, the first motor is connected with the half-size wheel through a belt, the half-size wheel is meshed with the full gear, and the full gear is connected with the conveyor belt through the belt.

Preferably, the flat plate is fixed on the surface of the conveying belt, the upper surface of the flat plate is attached to the lower surface of the storage bin, the upper surface of the ejector block is attached to the upper surface of the T-shaped hole, and the position of the ejector block is coincided with the position of the T-shaped hole.

Preferably, push rod and clamp splice are the symmetric distribution about the flat board, and the flat board is the equidistance distribution about the conveyer belt surface, the clamp splice has type of falling L structural feature, and clamp splice lower surface and T style of calligraphy hole upper surface are on same horizontal plane.

Preferably, the upper surface of the supporting plate is attached to the lower surface of the flat plate, the supporting plate is located right below the pressing plate, and the right surface of the inductor and the left surface of the supporting plate are located on the same horizontal plane.

Preferably, the rotating plate and the shell form a rotatable structure through a rotating shaft, and the laser emitting port and the rotating plate form a slidable structure through a sliding rail.

Preferably, three camera is the equidistance distribution at the inside upper surface of shell, and left camera slopes to the right, the camera in the middle of is vertical downwards, and the camera on right side slopes to the left.

Preferably, the first mechanical arm can lift to a certain extent, and the junction of first mechanical arm and second motor can rotate, the locater is located the centre of a circle department of circular cutter, and the locater does not rotate along with circular cutter.

Preferably, the second mechanical arm can lift and stretch to a certain extent, the mechanical claw is fixed at the left lower end of the second mechanical arm, and the mechanical claw and the second mechanical arm form a rotatable structure.

The invention provides an L-shaped steel plate visual detection device with a bending angle detection function, which has the following beneficial effects:

1. this L shaped steel board visual detection equipment with bending angle detects function, through the setting of visual detector, sense the dull and stereotyped back of being close when the detector, all parts of shell inside get into the ready state, have realized visual detection's automation, and after the dull and stereotyped shell that gets into completely, change the board and reset, form an enclosure space in the shell, isolated external disturbance for detection effect is more accurate, has improved visual detection's accuracy and detection efficiency.

2. This L shaped steel board visual detection equipment with bend angle detects function, through the setting of half chi wheel and all-gear, for intermittent type nature operation when making first motor drive conveyer belt operation, reserved sufficient time for processing later and detection, avoided appearing processing or the processing and the detection error that the testing process panel removed and leads to, improved the efficiency and the accuracy of processing and detection.

3. This L shaped steel board visual detection equipment with bending angle detects function, through the setting of inductor, clamp plate and fagging, the inductor can be in the same place the motion of conveyer belt with the process of buckling processing, and the clamp plate can be with firm the fixing on the flat board of panel when the hydraulic stem buckles panel man-hour, avoids panel because the atress takes place to remove, influences processing, has improved machining efficiency and machining accuracy.

4. According to the L-shaped steel plate visual detection equipment with the bending angle detection function, the detected qualified plate can be further accurately processed through the arrangement of the first mechanical arm and the positioning instrument, the positioning instrument can accurately position the processing position, the first mechanical arm can drive the circular cutter to move to the processing position to cut through lifting and rotating, and the efficiency and accuracy of a cutting process are improved;

5. this L shaped steel board visual detection equipment with bending angle detects function through the setting of waste material frame, second arm and finished product frame, distinguishes certified products and defective work and waste material, and defective work and waste material get into the waste material frame and wait for the recovery, and the certified products is snatched by the gripper, gets into the finished product frame along with the operation of second arm, has avoided the wasting of resources, and the later stage need not sort the product again, has improved machining efficiency.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the area of FIG. 1A;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic left side view of the present invention;

FIG. 5 is an enlarged view of the area of FIG. 4B;

FIG. 6 is an enlarged view of the area in FIG. 4C;

FIG. 7 is a schematic diagram of the front view of the internal structure of the vision detector of the present invention;

FIG. 8 is a right side view of the internal structure of the vision detector of the present invention;

FIG. 9 is a schematic diagram of a left side view of the vision detector of the present invention;

FIG. 10 is a schematic diagram of the right side view of the storage silo of the present invention.

In the figure: 1. a base plate; 2. a cross arm; 3. a storage bin; 4. a T-shaped hole; 5. an inductor; 6. a lifting rod; 7. pressing a plate; 8. a half-rule wheel; 9. all-gear; 10. a conveyor belt; 11. a flat plate; 12. a top block; 13. a clamping block; 14. a push rod; 15. a first motor; 16. a column; 17. a supporting plate; 18. a cantilever; 19. a hydraulic lever; 20. a vision detector; 2001. a housing; 2002. rotating the plate; 2003. a detector; 2004. a first light sensor; 2005. a slide rail; 2006. a laser emitting port; 2007. a camera; 2008. a second light sensor; 2009. a back panel light; 21. a first robot arm; 22. a second motor; 23. a circular cutter; 24. a positioning instrument; 25. a scrap frame; 26. a second mechanical arm; 27. a gripper; 28. and (5) finishing the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", and the like are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1 to 10, the present invention provides a technical solution: a visual detection device for an L-shaped steel plate with a bending angle detection function comprises a bottom plate 1 and a cross arm 2, the cross arm 2 is arranged at the upper left end of the bottom plate 1, a storage bin 3 is arranged below the middle of the cross arm 2, T-shaped holes 4 are formed in the left side and the right side of the storage bin 3, a sensor 5 is arranged on the right side of the storage bin 3, a lifting rod 6 is arranged on the right side of the sensor 5, a pressing plate 7 is arranged at the lower end of the lifting rod 6, a half-size wheel 8 is arranged above the left portion of the bottom plate 1, a full-size wheel 9 is arranged above the half-size wheel 8, a conveyor belt 10 is arranged above the full-size wheel 9, a flat plate 11 is arranged on the outer surface of the conveyor belt 10, a top block 12 is arranged at the left end of the flat plate 11, a clamping block 13 is arranged on the right side of the top block 12, the flat plate 11 is fixed on the surface of the conveyor belt 10, the upper surface of the flat plate 11 is attached to the lower surface of the storage bin 3, the upper surface of the top block 12 is attached to the upper surface of the T-shaped holes 4, and the position of the top block 12 coincides with the position of the T-shaped hole 4, so that when the flat plate 11 passes through the lower part of the storage bin 3, the top block 12 can take the plate out of the storage bin 3 through the T-shaped hole 4, the push rod 14 is arranged in front of the clamping block 13, the push rod 14 and the clamping block 13 are symmetrically distributed around the flat plate 11, the flat plate 11 is equidistantly distributed around the outer surface of the conveyor belt 10, the clamping block 13 has the inverted L-shaped structural characteristic, the lower surface of the clamping block 13 and the upper surface of the T-shaped hole 4 are on the same horizontal plane, so that when the plate is taken by the top block 12 to reach the flat plate 11, the clamping block 13 can clamp the plate under the driving of the push rod 14 to fix the plate, the right side of the half-square wheel 8 is provided with the first motor 15, the right side of the first motor 15 is provided with the upright post 16, the first motor 15 is connected with the half-square wheel 8 through the belt, the half-square wheel 8 is meshed with the full gear 9, and the full gear 9 is connected with the conveyor belt 10 through the belt 10, so that the first motor 15 can drive the conveyor belt 10 to operate, and through the arrangement of the half-size wheel 8 and the full-size wheel 9, the first motor 15 drives the conveyor belt 10 to operate intermittently, so that sufficient time is reserved for subsequent processing and detection, thereby avoiding processing and detection errors caused by plate movement in the processing or detection process, improving the efficiency and accuracy of processing and detection, the top end of the upright post 16 is provided with a supporting plate 17, the right side of the upright post 16 is provided with a cantilever 18, the upper surface of the supporting plate 17 is attached to the lower surface of the flat plate 11, the supporting plate 17 is positioned under the pressure plate 7, the right surface of the sensor 5 and the left surface of the supporting plate 17 are positioned on the same horizontal plane, so that the supporting plate 17 can support the flat plate 11 when the pressure plate 7 is pressed down, thereby avoiding the deformation of the conveyor belt 10 due to the pressure of the pressure plate 7, the hydraulic rod 19 is arranged above the cantilever 18, and the right side of the hydraulic rod 19 is provided with the visual detector 20, through the arrangement of the inductor 5, the pressing plate 7 and the supporting plate 17, the inductor 5 can connect the movement of the conveyor belt 10 with the bending process, when the hydraulic rod 19 bends the plate, the pressing plate 7 can firmly fix the plate on the flat plate 11, thereby preventing the plate from moving due to stress and influencing the processing, improving the processing efficiency and the processing accuracy, the outer shell 2001 is arranged on the periphery of the visual detector 20, the rotating plates 2002 are arranged on the left and right sides of the outer shell 2001, the detector 2003 is arranged above the rotating plates 2002, the first light sensor 2004 is arranged on the right side of the rotating plates 2002, the slide rail 2005 is arranged on the right side of the first light sensor 2004, the rotating plates 2002 and the outer shell 2001 form a rotatable structure through rotating shafts, and the laser emitting ports 2006 and the rotating plates 2002 form a slidable structure through the slide rail 2005, so that the flat plate 11 can be carried by the plate to enter the outer shell 2001, and the laser emission port 2006 can adjust its position by sliding on the sliding rail 2005, three cameras 2007 are arranged above the laser emission port 2006, and a second light sensor 2008 is arranged above the cameras 2007, the three cameras 2007 are equidistantly distributed on the upper surface inside the housing 2001, the camera 2007 on the left side is tilted to the right, the camera 2007 in the middle is vertically downward, and the camera 2007 on the right side is tilted to the left, so that the three cameras 2007 can perform frequent operations on the bent plate in multiple aspects, the detection efficiency and the detection accuracy are improved, a back plate lamp 2009 is arranged behind the second light sensor 2008, by means of the arrangement of the visual detector 20, when the detector 2003 senses that the plate 11 is close to the flat plate, all parts inside the housing 2001 enter a preparation state, the automation of the visual detection is realized, and when the flat plate 11 completely enters the housing 2001, the rotating plate is reset 2002, a closed space is formed in the shell 2001, so that external interference is isolated, the detection effect is more accurate, the accuracy and the detection efficiency of visual detection are improved, the first mechanical arm 21 is arranged on the right side of the visual detector 20, the second motor 22 is arranged in front of the first mechanical arm 21, the circular cutter 23 is arranged below the second motor 22, the positioning instrument 24 is arranged below the circular cutter 23, the first mechanical arm 21 can lift to a certain degree, the joint of the first mechanical arm 21 and the second motor 22 can rotate, the positioning instrument 24 is positioned at the circle center of the circular cutter 23, the positioning instrument 24 does not rotate along with the circular cutter 23, the first mechanical arm 21 can rotate by itself according to the positioning of the positioning instrument 24 so as to adjust the position of the circular cutter 23, and the qualified plate after detection can be further accurately processed through the arrangement of the first mechanical arm 21 and the positioning instrument 24, the positioning instrument 24 can accurately position a processing position, the first mechanical arm 21 can drive the circular cutter 23 to move to the processing position for cutting through self lifting and rotating, the efficiency and the accuracy of a cutting process are improved, the waste material frame 25 is arranged at the lower right part of the conveyor belt 10, the second mechanical arm 26 is arranged at the right 25 part of the waste material frame, the mechanical claw 27 is arranged at the lower left end of the second mechanical arm 26, the second mechanical arm 26 can lift and stretch to a certain degree, the mechanical claw 27 is fixed at the lower left end of the second mechanical arm 26, the mechanical claw 27 and the second mechanical arm 26 form a rotatable structure, so that the mechanical claw 27 can smoothly clamp and move a plate, the finished product frame 28 is arranged at the right side of the second mechanical arm 26, finished products, unqualified products and waste materials are separated through the arrangement of the waste material frame 25, the second mechanical arm 26 and the finished product frame 28, the unqualified products and the waste materials enter the waste material frame 25 to wait for recovery, finished products are grabbed by the mechanical claw 27 and enter the finished product frame 28 along with the operation of the second mechanical arm 26, so that resource waste is avoided, the products do not need to be sorted at the later stage, and the processing efficiency is improved.

The working principle is as follows: when the L-shaped steel plate visual detection equipment with the bending angle detection function is used, firstly, a plate to be processed is placed into the storage bin 3, the first motor 15 is started, the conveyor belt 10 drives the flat plate 11 to move under the driving of the first motor 15, when the flat plate 11 moves below the storage bin 3, the ejector block 12 takes out the plate in the storage bin 3 through the T-shaped hole 4, the plate is taken onto the flat plate 11 by the ejector block 12, then the clamping block 13 clamps the plate under the driving of the push rod 14, the plate is fixed on the upper surface of the flat plate 11, when the ejector block 12 reaches the position below the inductor 5, the conveyor belt 10 just stops running, the lifting rod 6 drives the pressing plate 7 to press down, the plate and the flat plate 11 are fixed on the supporting plate 17, then the hydraulic rod 19 starts to rise for a certain distance according to the required model, then the hydraulic rod 19 descends, and the conveyor belt 10 continues to drive the flat plate 11 to move, when the detector 2003 detects that the flat plate 11 approaches, all parts in the shell 2001 enter a standby state, when the detector 2003 detects that the rotating plate 2002 is reset, the conveyor belt 10 stops running, the flat plate 11 stays in the shell 2001, the laser emitting port 2006 moves on the sliding rail 2005, laser is emitted after the position of the laser emitting port is adjusted, the bending angle of the plate is judged according to signals received by the first light sensor 2004 and the second light sensor 2008, then the back plate lamp 2009 is turned on, the camera 2007 starts to photograph the plate in multiple directions, whether the plate is qualified or not and the position where the qualified product needs to be cut are judged, then all parts in the shell 2001 are turned off, the conveyor belt 10 drives the flat plate 11 to leave the shell 2001, when the positioner 24 senses that the qualified product moves to the right below, the conveyor belt 10 stops running, the second motor 22 is started to drive the circular cutter 23 to rotate, and the first mechanical arm 21 performs self-running according to the positioning of the positioner 24, adjusting the position of a circular cutter 23, then cutting qualified products by the circular cutter 23, if unqualified products judged by a visual detector 20 reach below a positioning instrument 24, not operating the first mechanical arm 21 and the second motor 22, stopping the second motor 22 after cutting, resetting the first mechanical arm 21, continuing to operate the conveyor belt 10, when a flat plate 11 reaches below a mechanical claw 27, driving a clamping block 13 to move by a push rod 14, loosening the fixation of the plate, driving the mechanical claw 27 to operate by a second mechanical arm 26, clamping and moving a finished product to the upper part of a finished product frame 28, remaining waste materials on the flat plate 11, loosening the clamping by the mechanical claw 27, enabling the finished product to enter a finished product frame 28, if unqualified products are moved to the lower part of the mechanical claw 27, not operating the second mechanical arm 26 and the mechanical claw 27, continuing to operate the conveyor belt 10, and after the flat plate 11 moves to the upper part of the waste material frame 25, dropping the waste materials and the unqualified products into the waste material, the above process is repeated, and the working principle of the L-shaped steel plate visual detection device with the bending angle detection function is the same.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides a L shaped steel board visual detection equipment with bending angle detects function, includes bottom plate (1) and xarm (2), its characterized in that: the improved structure is characterized in that a cross arm (2) is arranged at the upper left end of the bottom plate (1), a storage bin (3) is arranged below the middle of the cross arm (2), T-shaped holes (4) are formed in the left side and the right side of the storage bin (3), an inductor (5) is arranged on the right side of the storage bin (3), a lifting rod (6) is arranged on the right side of the inductor (5), a pressing plate (7) is arranged at the lower end of the lifting rod (6), a half-size wheel (8) is arranged above the left portion of the bottom plate (1), a full gear (9) is arranged above the half-size wheel (8), a conveying belt (10) is arranged above the full gear (9), a flat plate (11) is arranged on the outer surface of the conveying belt (10), an ejector block (12) is arranged at the left end of the flat plate (11), a clamping block (13) is arranged on the right side of the ejector block (12), a push rod (14) is arranged in front of the clamping block (13), a first motor (15) is arranged on the right side of the half-size wheel (8), a vertical column (16) is arranged on the right side of the first motor (15), a supporting plate (17) is arranged at the top end of the vertical column (16), a cantilever (18) is arranged on the right side of the vertical column (16), a hydraulic rod (19) is arranged above the cantilever (18), a visual detector (20) is arranged on the right side of the hydraulic rod (19), a shell (2001) is arranged on the periphery of the visual detector (20), rotating plates (2002) are arranged on the left side and the right side of the shell (2001), a detector (2003) is arranged above the rotating plates (2002), a first light sensor (2004) is arranged on the right side of the rotating plates (2002), a sliding rail (2005) is arranged on the right side of the sliding rail (2005), a laser emission port (2006) is arranged on the upper side of the laser emission port (2006), three cameras (2007) are arranged above the cameras (2007), and a second light sensor (2008) is arranged above the cameras (2007), second light sensor (2008) rear is provided with backplate lamp (2009), visual detector (20) the right-hand first arm (21) that is provided with, and first arm (21) the place ahead is provided with second motor (22), second motor (22) below is provided with circular cutter (23), and circular cutter (23) below is provided with locater (24), conveyer belt (10) right side below is provided with waste material frame (25), and waste material frame (25) the right-hand second arm (26) that is provided with, the lower extreme in the left side of second arm (26) is provided with gripper (27), the right-hand finished product frame (28) that is provided with of second arm (26).

2. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: the first motor (15) is connected with the half-size wheel (8) through a belt, the half-size wheel (8) is meshed with the full gear (9), and the full gear (9) is connected with the conveyor belt (10) through the belt.

3. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: dull and stereotyped (11) are fixed on conveyer belt (10) surface, and the upper surface of dull and stereotyped (11) paste mutually with the lower surface of storage silo (3), the upper surface of kicking block (12) paste mutually with the upper surface of T style of calligraphy hole (4), and the position of kicking block (12) coincides mutually with the position of T style of calligraphy hole (4).

4. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: push rod (14) and clamp splice (13) are the symmetric distribution about dull and stereotyped (11), and dull and stereotyped (11) are the equidistance distribution about conveyer belt (10) surface, clamp splice (13) have the type of falling L structural feature, and clamp splice (13) lower surface and T style of calligraphy hole (4) upper surface on same horizontal plane.

5. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: the upper surface of the supporting plate (17) is attached to the lower surface of the flat plate (11), the supporting plate (17) is located under the pressing plate (7), and the right surface of the inductor (5) and the left surface of the supporting plate (17) are on the same horizontal plane.

6. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: the rotating plate (2002) and the shell (2001) form a rotatable structure through a rotating shaft, and the laser emitting port (2006) and the rotating plate (2002) form a slidable structure through a sliding rail (2005).

7. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: the three cameras (2007) are distributed at equal intervals on the inner upper surface of the shell (2001), the camera (2007) on the left side inclines to the right, the camera (2007) in the middle vertically downwards, and the camera (2007) on the right side inclines to the left.

8. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: the first mechanical arm (21) can lift to a certain extent, the connection position of the first mechanical arm (21) and the second motor (22) can rotate, the positioning instrument (24) is located at the circle center of the circular cutter (23), and the positioning instrument (24) does not rotate along with the circular cutter (23).

9. The L-shaped steel plate visual inspection apparatus with a bending angle detection function according to claim 1, wherein: the second mechanical arm (26) can lift and stretch to a certain degree, the mechanical claw (27) is fixed at the left lower end of the second mechanical arm (26), and the mechanical claw (27) and the second mechanical arm (26) form a rotatable structure.

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