Metal surface defect laser scanning detection device

Abstract

The invention relates to the technical field of metal surface detection, in particular to a metal surface defect laser scanning detection device. According to the technical scheme, the metal surface defect laser scanning detection device comprises a transmission assembly, an extension plate, a step track, an adaptive sliding table, an adjusting assembly, a defect scanning assembly, a balance box, an air pressure cleaning module, a water gun cleaning module and a display screen; the step rail is arranged at the top of the extension plate and can be used for sliding of the adaptive sliding table, the guiding sliding performance is improved, the adjusting assembly is arranged at the top of the adaptive sliding table and can drive the defect scanning assembly to ascend and descend, and the defect scanning assembly is arranged at the outer end of the adjusting assembly and can be used for scanning metal surface defects. The display screen is arranged at the outer end, temperature display can be conducted, and the air pressure cleaning module and the water gun cleaning module are distributed on the balance box and can be used for conducting dirt cleaning on metal.

Description

Technical Field

[0001] The invention relates to the technical field of metal surface detection, and in particular to a metal surface defect laser scanning detection device. Background Art

[0002] Metal surface defects refer to various irregular, discontinuous or uneven phenomena on the surface of metal materials. These defects may be caused by a variety of reasons and have an important impact on the performance and service life of the material. Common metal surface defects include scratches, folds, scars, ears, bends, warping, surface inclusions and cracks, etc. These defects are caused by various reasons, such as uneven guide devices, poor hole design, scratches during rolling, loose raw materials or shrinkage holes, etc. In addition, mold marks, friction marks, pits, polishing areas and scratches before plating may also appear on the metal surface. Defects, these defects not only affect the aesthetics of the metal, but may also reduce its mechanical properties and corrosion resistance. Metal surface defect laser scanning detection is an advanced detection technology, it uses the laser scanning principle to conduct a comprehensive inspection of the metal surface, the existing laser scanning detection device, in the metal surface laser detection, due to the different shapes of the metal and the different degrees of surface pollution, when the laser is shot on the surface, its signal feedback is easy to cause inaccurate detection, and the detection direction needs to be repeatedly adjusted, affecting the overall detection effect; so we proposed a metal surface defect laser scanning detection device to solve the above problems. Summary of the invention

[0003] In order to overcome the problem that in existing laser scanning detection devices, in metal surface laser detection, due to the different shapes of metals and different degrees of surface contamination, when the laser is shot at the surface, its signal feedback is easy to cause inaccurate detection, and the detection direction needs to be repeatedly adjusted, affecting the overall detection effect.

[0004] The technical solution of the present invention is: a metal surface defect laser scanning detection device, including a transmission component, an extension plate, a step track, an adapter slide, an adjustment component, a defect scanning component, a balance box, an air pressure cleaning module, a water gun cleaning module and a display screen; extension plates for carrying the step track are provided on both sides of the bottom of the transmission component, the top of the extension plate is provided with a step track for sliding the adapter slide, the top of the adapter slide is provided with an adjustment component for driving the defect scanning component to rise and fall, the outer end of the adjustment component is provided with a defect scanning component for scanning metal surface defects, a balance box is provided above the transmission component, the outer end of the balance box is provided with a display screen for temperature display, and an air pressure cleaning module and a water gun cleaning module for cleaning stains on metal are distributed on the balance box.

[0005] Preferably, a stepped track is arranged on the top of the extension plate, which can be used to adapt to the sliding of the slide and increase the guiding sliding performance; an adjusting component is arranged on the top of the adapting slide, which can drive the lifting operation of the defect scanning component; a defect scanning component is arranged on the outer end of the adjusting component, which can be used to scan metal surface defects; a display screen is arranged on the outer end, which can display temperature; an air pressure cleaning module and a water gun cleaning module are distributed on the balance box, which can be used to clean stains on the metal.

[0006] Preferably, the transmission component includes a sleeve plate, a transmission module, a conduction column, a driving motor, a transmission steel column, a waste liquid tank, a support column and a waste liquid tank. The sleeve plate is arranged in two groups, and multiple groups of transmission steel columns are arranged between the two groups of sleeve plates. Both ends of the transmission steel columns are provided with transmission modules, and one end of the transmission module is provided with a conduction column. The driving motor drives the conduction column to drive the transmission module to operate. The lower end of the sleeve plate is provided with a support column, and the lower end of the support column is provided with a waste liquid tank. A waste liquid tank is opened inside the waste liquid tank, and the waste liquid enters the waste liquid tank for storage.

[0007] Preferably, three groups of brackets are linearly provided at the lower end edge of the extension plate, a first guide groove and a second guide groove are sequentially opened on the step track along the steps, and a first connecting groove and a second connecting groove connected with the first guide groove and the second guide groove are opened on the side surface of the step on the step track, and the guiding effect is increased through the first connecting groove and the second connecting groove.

[0008] Preferably, the adapting slide is W-shaped, and the first roller and the second roller are distributed along the bottom of the adapting slide. The first roller and the second roller are both horizontally provided with multiple groups. The first transmission belt is sleeved on the outer side of the first roller and the second roller. A connecting shaft is provided in the center of the first roller and the second roller. A driving motor is provided at the outer end of the connecting shaft. The driving motor drives the connecting shaft to drive the first roller and the second roller to turn. The driving motor drives the connecting shaft to drive the first roller and the second roller to turn, so that the first roller and the second roller are displaced along the first guide groove and the second guide groove, and the synchronous connecting shaft moves through the first connecting groove and the second connecting groove to reach a suitable position.

[0009] Preferably, the adjustment component includes a balancing platform, a first cylinder, a first push rod and a mounting hole. The first push rod is provided at the center of the balancing platform. The first cylinder drives the first push rod to drive the balancing platform to rise and fall. Mounting holes are provided at both ends of the balancing platform. The first cylinder drives the first push rod to drive the balancing platform to rise and fall to a suitable position.

[0010] Preferably, the defect scanning assembly includes a connecting arm, a swing arm, a first rotating rod, a first control motor, a second rotating rod, a second control motor, a first comparison scale, a contact wheel, a connecting column, a signal end, a first laser module, a second laser module, an extension rod, a mounting frame, a mounting bolt, a connecting pin, a second comparison scale, a third laser module and a fourth laser module. A first rotating rod is passed through one end of the connecting arm. The first control motor drives the first rotating rod to drive the connecting arm to turn. A second rotating rod is provided between the connecting arm and the swing arm. The second control motor drives the second rotating rod to drive the connecting arm and the swing arm to swing. The first control motor drives the first rotating rod to drive the connecting arm to turn. The second control motor drives the second rotating rod to drive the connecting arm and the swing arm to swing to reach a suitable angle.

[0011] Preferably, a first contrast ruler is provided at one end of the swing arm away from the connecting arm, a contact wheel is linearly provided at the corner of the first contrast ruler, a connecting column is passed through the center of the contact wheel, a signal end is provided at one end of the connecting column, an antenna is provided inside the signal end, a first laser module and a second laser module are distributed along the two connected surfaces of the first contrast ruler, an extension rod is provided at both ends of the first contrast ruler, a mounting frame is provided along the direction of the extension rod, a mounting bolt is provided between the mounting frame and the extension rod, a second contrast ruler is provided at one end of the mounting frame away from the extension rod, a connecting pin is provided between the second contrast ruler and the mounting frame, a third laser module and a fourth laser module are distributed along the two connected surfaces of the second contrast ruler, The first laser module, the second laser module, the third laser module and the fourth laser module are all provided with electrically connected laser transmitters, receivers and signal processors. As the rolling process is carried out, the connecting column is rotated. When a gap is encountered, the connecting column stops and its signal end receives the signal. The antenna signal is transmitted along the rolling process, and the first laser module and the second laser module are identified. The mounting frame is disassembled by mounting bolts to install a suitable second comparison scale. The second comparison scale is used to perform detection through the third laser module and the fourth laser module. The laser transmitter, receiver and signal processor that are electrically connected in sequence interact and transmit signals to improve the overall detection effect.

[0012] Preferably, a second push rod is provided at each corner of the balance box, and a second cylinder is provided at one end of the second push rod. The second cylinder drives the second push rod to drive the balance box to rise and fall, and the second cylinder drives the second push rod to drive the balance box to rise and fall, thereby increasing the adjustment effect.

[0013] Preferably, the air pressure cleaning module includes an air box, a ventilation groove, an air pump, an air pipe, an expansion plate and a spray hole. The air box is provided with a ventilation groove, an air pump is provided inside the air box, an air pipe is provided at the lower end of the air box, an expansion plate is provided at the lower end of the air pipe, spray holes are distributed on the expansion plate, and an injector is provided inside the spray hole. The water gun cleaning module includes a filling pipe, a high-pressure water gun and a solution box. The top of the solution box is provided with a filling pipe, the bottom of the solution box is provided with a high-pressure water gun, and the inside of the high-pressure water gun is provided with a high-pressure pump. The spray hole is used for jet dust removal and cleaning. The solution box is filled with the filling pipe, and the cleaning solution is sprayed out by the high-pressure water gun through the high-pressure pump to clean the metal. The waste liquid enters the waste liquid tank to improve the overall cleaning effect.

[0014] Beneficial effects of the present invention: 1. According to the existing laser scanning detection device, in the laser detection of metal surface, due to the different shapes of metal and different degrees of surface pollution, when the laser is shot at the surface, its signal feedback is easy to cause inaccurate detection, and the detection direction needs to be adjusted repeatedly, affecting the overall detection effect. The difference is that through the extension plate, which is arranged on both sides of the bottom of the transmission component, it can be used to carry the step track to increase the working stroke range; through the step track, which is arranged on the top of the extension plate, it can be used to adapt the sliding of the slide and increase the guiding sliding performance; through the adjustment component, which is arranged on the top of the adaptation slide, it can drive the defect scanning component to rise and fall; through the defect scanning component, which is arranged at the outer end of the adjustment component, it can be used to scan metal surface defects; through the display screen arranged at the outer end, temperature display can be performed; through the air pressure cleaning module and the water gun cleaning module, which are distributed on the balance box, it can be used to clean stains on the metal.

[0015] 2. When laser scanning is performed, the driving motor drives the connecting shaft to drive the first roller and the second roller to turn, so that the first roller and the second roller are displaced along the first guide groove and the second guide groove, and the synchronous connecting shaft moves through the first connecting groove and the second connecting groove to reach a suitable position. The first cylinder drives the first push rod to drive the balance platform to rise and fall to a suitable position. The first control motor drives the first rotating rod to drive the connecting arm to turn, and the second control motor drives the second rotating rod to drive the connecting arm and the swing arm to swing to reach a suitable angle. The first comparison scale is used to approach the metal, and the contact wheel rolls the metal. As the rolling action is performed, the connecting column is rotated. When a gap is encountered, the connecting column stops, and its signal end receives the signal. The antenna signal is transmitted as the rolling action is performed, and the first laser module and the second laser module are identified. The mounting frame is disassembled using the mounting bolts to install a suitable second comparison scale. The second comparison scale is used to detect through the third laser module and the fourth laser module. The laser transmitter, receiver and signal processor that are electrically connected in sequence interact and transmit signals to improve the overall detection effect.

[0016] 3. When cleaning, the second cylinder drives the second push rod to drive the balance box to rise and fall. The air pump is used to transfer gas through the air pipe, and the gas passes through the expansion plate. The internal ejector of the spray hole is used to spray dust and clean. The solution box is filled with a filling pipe, and the cleaning solution is sprayed out by a high-pressure water gun through a high-pressure pump to clean the metal. The waste liquid enters the waste liquid tank to improve the overall cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the transmission component of the present invention; Figure 3 It is a schematic diagram of the step rail and the adjustment assembly of the present invention; Figure 4 It is a partial enlarged schematic diagram of point A of the present invention; Figure 5 A schematic diagram of a defect scanning component of the present invention; Figure 6 A schematic diagram of the defect scanning assembly of the present invention from another angle; Figure 7 It is a schematic diagram of the air pressure cleaning module and the water gun cleaning module of the present invention.

[0018] Explanation of the reference numerals: 1. Transmission assembly; 2. Extension plate; 3. Step rail; 4. Adaptive slide; 5. Adjustment assembly; 6. Defect scanning assembly; 7. Balance box; 8. Air pressure cleaning module; 9. Water gun cleaning module; 10. Display screen; 101. Plate; 102. Transmission module; 103. Conductive column; 104. Drive motor; 105. Transmission steel column; 106. Waste liquid tank; 107. Support column; 108. Waste liquid tank; 201. Bracket; 301. First guide groove; 302. Second guide groove; 303. First connecting groove; 304. Second connecting groove; 401. First roller; 402. First transmission belt; 403. Connecting shaft; 404. Drive motor; 405. Second roller; 501. Balance table; 502. First cylinder; 503. First push rod; 504. Mounting hole; 601, connecting arm; 602, swing arm; 603, first rotating rod; 604, first control motor; 605, second rotating rod; 606, second control motor; 607, first comparison scale; 608, contact wheel; 609, connecting column; 610, signal end; 611, first laser module; 612, second laser module; 613, extension rod; 614, mounting frame; 615, mounting bolt; 616, connecting pin; 617, second comparison scale; 618, third laser module; 619, fourth laser module; 701, second push rod; 702, second cylinder; 801, air box; 802, ventilation slot; 803, air pump; 804, air pipe; 805, expansion board; 806, spray hole; 901, filling pipe; 902, high-pressure water gun; 903, solution box. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] See also Figure 1-2 The present invention provides an embodiment: a metal surface defect laser scanning detection device, including a transmission component 1, an extension plate 2, a step track 3, an adapting slide 4, an adjustment component 5, a defect scanning component 6, a balance box 7, an air pressure cleaning module 8, a water gun cleaning module 9 and a display screen 10; both sides of the bottom of the transmission component 1 are provided with extension plates 2 for carrying the step track 3, the top of the extension plate 2 is provided with a step track 3 for sliding the adapting slide 4, the top of the adapting slide 4 is provided with an adjustment component 5 for driving the defect scanning component 6 to rise and fall, the outer end of the adjustment component 5 is provided with a defect scanning component 6 for scanning metal surface defects, a balance box 7 is provided above the transmission component 1, the outer end of the balance box 7 is provided with a display screen 10 for temperature display, and the balance box 7 is distributed with an air pressure cleaning module 8 and a water gun cleaning module 9 for cleaning stains on the metal.

[0021] See also Figure 2-4In this embodiment, the transmission component 1 includes a sleeve 101, a transmission module 102, a transmission column 103, a driving motor 104, a transmission steel column 105, a waste liquid tank 106, a support column 107 and a waste liquid tank 108. The sleeve 101 is set in two groups. A plurality of transmission steel columns 105 are arranged between the two sets of sleeves 101. Both ends of the transmission steel columns 105 are provided with transmission modules 102. One end of the transmission module 102 is provided with a transmission column 103. The driving motor 104 drives the transmission column 103 to drive the transmission module 102 to operate. The lower end of the sleeve 101 is provided with a support column 1 07. A waste liquid tank 106 is provided at the lower end of the support column 107. A waste liquid tank 108 is provided inside the waste liquid tank 106. Waste liquid enters the waste liquid tank 108 for storage. Three groups of brackets 201 are linearly provided at the lower end edge of the extension plate 2. A first guide groove 301 and a second guide groove 302 are provided on the step track 3 along the steps in sequence. A first connecting groove 303 and a second connecting groove 304 connected with the first guide groove 301 and the second guide groove 302 are provided on the side surface of the step on the step track 3. The first connecting groove 303 and the second connecting groove 304 are used to increase the guiding effect.

[0022] See also Figure 3-5 In this embodiment, the adapting slide 4 is W-shaped, and the bottom of the adapting slide 4 is distributed along the first roller 401 and the second roller 405. The first roller 401 and the second roller 405 are both horizontally provided with multiple groups. The first conveying belt 402 is sleeved on the outer side of the first roller 401 and the second roller 405. The center of the first roller 401 and the second roller 405 is provided with a connecting shaft 403. The outer end of the connecting shaft 403 is provided with a driving motor 404. The driving motor 404 drives the connecting shaft 403 to drive the first roller 401 and the second roller 405 to turn. The driving motor 404 drives the connecting shaft 403 to drive the first roller 401 and the second roller 405 to turn. The first roller 401 and the second roller 405 are displaced along the first guide groove 301 and the second guide groove 302, and the synchronous connecting shaft 403 moves through the first connecting groove 303 and the second connecting groove 304 to reach a suitable position. The adjustment component 5 includes a balancing platform 501, a first cylinder 502, a first push rod 503 and a mounting hole 504. The first push rod 503 is provided at the center of the balancing platform 501. The first cylinder 502 drives the first push rod 503 to drive the balancing platform 501 to rise and fall. Both ends of the balancing platform 501 are provided with mounting holes 504. The first cylinder 502 drives the first push rod 503 to drive the balancing platform 501 to rise and fall to reach a suitable position.

[0023] See also Figure 4-6In this embodiment, the defect scanning assembly 6 includes a connecting arm 601, a swing arm 602, a first rotating rod 603, a first control motor 604, a second rotating rod 605, a second control motor 606, a first comparison scale 607, a contact wheel 608, a connecting column 609, a signal end 610, a first laser module 611, a second laser module 612, an extension rod 613, a mounting frame 614, a mounting bolt 615, a connecting pin 616, a second comparison scale 617, a third laser module 618 and a fourth laser module 619. One end of the connecting arm 601 is penetrated with the first rotating rod 603, the first control motor 604 drives the first rotating rod 603 to drive the connecting arm 601 to turn, and the connecting arm 601 and the swing arm 6 02, a second rotating rod 605 is provided between the first control motor 606 and the second rotating rod 605, driving the connecting arm 601 and the swing arm 602 to swing, the first control motor 604 drives the first rotating rod 603 to drive the connecting arm 601 to turn, and the second control motor 606 drives the second rotating rod 605 to drive the connecting arm 601 and the swing arm 602 to swing to a suitable angle, and a first comparison scale 607 is provided at one end of the swing arm 602 away from the connecting arm 601, and a contact wheel 608 is linearly provided at the corner of the first comparison scale 607, and a connecting column 609 is passed through the center of the contact wheel 608, and a signal end 610 is provided at one end of the connecting column 609, and an antenna is provided inside the signal end 610, and two surfaces on the first comparison scale 607 are connected A first laser module 611 and a second laser module 612 are arranged along the edge, an extension rod 613 is arranged at both ends of the first contrast ruler 607, a mounting frame 614 is arranged along the extension rod 613, a mounting bolt 615 is arranged between the mounting frame 614 and the extension rod 613, a second contrast ruler 617 is arranged at one end of the mounting frame 614 away from the extension rod 613, a connecting pin 616 is arranged between the second contrast ruler 617 and the mounting frame 614, a third laser module 618 and a fourth laser module 619 are arranged along the edge of two connected surfaces of the second contrast ruler 617, and the first laser module 611, the second laser module 612, the third laser module 618 and the fourth laser module 619 are all provided with electrically connected laser emitters inside. The receiver and the signal processor rotate the connecting column 609 as the rolling movement proceeds. When encountering a gap, the connecting column 609 stops and its signal end 610 receives the signal. The antenna signal is transmitted as the rolling movement proceeds. The first laser module 611 and the second laser module 612 identify the signal. The mounting frame 614 is disassembled using the mounting bolts 615 to install a suitable second contrast scale 617. The second contrast scale 617 is used to perform detection through the third laser module 618 and the fourth laser module 619. The laser transmitter, receiver and signal processor are electrically connected in sequence to perform signal interaction and transmission to improve the overall detection effect. The laser transmitter model is GEO-LASER, the receiver model is Lot-Laser LL-2000, and the signal processor model is Lab Gruppen Lake LM26.

[0024] See also Figure 5-7 In this embodiment, second push rods 701 are provided at the four corners of the balance box 7, and a second cylinder 702 is provided at one end of the second push rod 701. The second cylinder 702 drives the second push rod 701 to drive the balance box 7 to rise and fall. The second cylinder 702 drives the second push rod 701 to drive the balance box 7 to rise and fall, thereby increasing the adjustment effect. The air pressure cleaning module 8 includes an air box 801, an air exchange groove 802, an air pump 803, an air pipe 804, an expansion plate 805 and a spray hole 806. The air box 801 is provided with an air exchange groove 802, an air pump 803 is provided inside the air box 801, an air pipe 804 is provided at the lower end of the air box 801, and the air pipe 804 is provided at the bottom of the air box 801. An expansion plate 805 is provided at the lower end, and spray holes 806 are distributed on the expansion plate 805. An ejector is provided inside the spray hole 806. The water gun cleaning module 9 includes a filling pipe 901, a high-pressure water gun 902 and a solution box 903. A filling pipe 901 is provided on the top of the solution box 903, and a high-pressure water gun 902 is distributed on the bottom of the solution box 903. A high-pressure pump is provided inside the high-pressure water gun 902. The ejector inside the spray hole 806 performs jet dust removal and cleaning. The solution box 903 is filled with the filling pipe 901, and the high-pressure water gun 902 is used to spray the cleaning solution to clean the metal through the high-pressure pump. The waste liquid enters the waste liquid tank 108 to improve the overall cleaning effect.

[0025] During operation, the driving motor 104 drives the conducting column 103 to drive the transmission module 102 to operate, so that the metal is transported. The second cylinder 702 drives the second push rod 701 to drive the balance box 7 to rise and fall. The air pump 803 is used to transfer gas through the air pipe 804, and the gas passes through the expansion plate 805. The internal ejector of the spray hole 806 performs jet dust removal and cleaning. The solution box 903 is filled with the filling pipe 901, and the cleaning solution is sprayed out by the high-pressure pump and the high-pressure water gun 902 to clean the metal, and the waste liquid enters the waste liquid tank 108. The driving motor 404 drives the connecting shaft 403 to drive the first roller 401 and the second roller 405 to turn, so that the first roller 401 and the second roller 405 are displaced along the first guide groove 301 and the second guide groove 302, and the synchronous connecting shaft 403 moves through the first connecting groove 303 and the second connecting groove 304 to reach a suitable position, the first cylinder 502 drives the first push rod 503 to drive the balance platform 501 to rise and fall to a suitable position, the first control motor 604 drives the first rotating rod 603 to drive the connecting arm 601 to turn, and the second control motor 606 drives the second rotating rod 605 to drive the connecting arm 601 and the swing arm 602 to swing, and reach a suitable position. Angle, use the first contrast ruler 607 to approach the metal, and the contact wheel 608 is used for rolling operation. As the rolling process is carried out, the connecting column 609 is rotated. When encountering a gap, the connecting column 609 stops, and its signal end 610 receives the signal. The antenna signal is transmitted along the rolling process, and the first laser module 611 and the second laser module 612 are used for identification. The mounting frame 614 is disassembled using the mounting bolts 615 to install a suitable second contrast ruler 617. The second contrast ruler 617 is used to detect through the third laser module 618 and the fourth laser module 619. The laser transmitter, receiver and signal processor that are electrically connected in sequence perform signal interaction and transmission.

[0026] Through the above steps, the stepped rail 3, which is located at the top of the extension plate 2, can be used to adapt the sliding table 4 to slide and increase the guiding sliding performance. The adjusting component 5, which is located at the top of the adapting sliding table 4, can drive the defect scanning component 6 to rise and fall. The defect scanning component 6, which is located at the outer end of the adjusting component 5, can be used to scan metal surface defects. The display screen 10 is located at the outer end, so the temperature can be displayed. The air pressure cleaning module 8 and the water gun cleaning module 9, which are distributed on the balance box 7, can be used to clean stains on the metal.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A laser scanning detection device for metal surface defects, comprising a transmission component (1); characterized in that: The transmission component (1) further comprises an extension plate (2), a step rail (3), an adapting slide (4), an adjustment component (5), a defect scanning component (6), a balance box (7), an air pressure cleaning module (8), a water gun cleaning module (9) and a display screen (10); both sides of the bottom of the transmission component (1) are provided with extension plates (2) for carrying the step rail (3); the top of the extension plate (2) is provided with a step rail (3) for sliding the adapting slide (4); the top of the adapting slide (4) is provided with an adjustment component (5) for driving the defect scanning component (6) to move up and down; the outer end of the adjustment component (5) is provided with a defect scanning component (6) for scanning metal surface defects; a balance box (7) is provided above the transmission component (1); the outer end of the balance box (7) is provided with a display screen (10) for displaying temperature; and the air pressure cleaning module (8) and the water gun cleaning module (9) for cleaning metal stains are distributed on the balance box (7).

2. The metal surface defect laser scanning detection device according to claim 1, characterized in that: The transmission component (1) comprises a sleeve plate (101), a transmission module (102), a conduction column (103), a driving motor (104), a transmission steel column (105), a waste liquid tank (106), a support column (107) and a waste liquid tank (108). The sleeve plate (101) is provided in two groups, and a plurality of transmission steel columns (105) are provided between the two groups of sleeve plates (101). Both ends of the transmission steel columns (105) are provided with a transmission module (102), and one end of the transmission module (102) is provided with a conduction column (103). The driving motor (104) drives the conduction column (103) to drive the transmission module (102) to operate. The lower end of the sleeve plate (101) is provided with a support column (107), and the lower end of the support column (107) is provided with a waste liquid tank (106). The waste liquid tank (106) is provided with a waste liquid tank (108) inside.

3. The metal surface defect laser scanning detection device according to claim 1, characterized in that: Three groups of brackets (201) are linearly arranged at the lower edge of the extension plate (2); a first guide groove (301) and a second guide groove (302) are sequentially provided on the step track (3) along the steps; and a first connecting groove (303) and a second connecting groove (304) which are connected to the first guide groove (301) and the second guide groove (302) are provided on the side surface of the step on the step track (3).

4. The metal surface defect laser scanning detection device according to claim 1, characterized in that: The adapting slide (4) is arranged in a W shape. A first roller (401) and a second roller (405) are arranged along the bottom of the adapting slide (4). Multiple groups of the first roller (401) and the second roller (405) are arranged transversely. A first transmission belt (402) is sleeved on the outer sides of the first roller (401) and the second roller (405). A connecting shaft (403) is arranged at the center of the first roller (401) and the second roller (405). A driving motor (404) is arranged at the outer end of the connecting shaft (403). The driving motor (404) drives the connecting shaft (403) to drive the first roller (401) and the second roller (405) to turn.

5. The metal surface defect laser scanning detection device according to claim 1, characterized in that: The adjustment component (5) comprises a balancing platform (501), a first cylinder (502), a first push rod (503) and a mounting hole (504). The first push rod (503) is provided at the center of the balancing platform (501). The first cylinder (502) drives the first push rod (503) to drive the balancing platform (501) to rise and fall. Both ends of the balancing platform (501) are provided with mounting holes (504).

6. The metal surface defect laser scanning detection device according to claim 1, characterized in that: The defect scanning assembly (6) comprises a connecting arm (601), a swing arm (602), a first rotating rod (603), a first control motor (604), a second rotating rod (605), a second control motor (606), a first comparison scale (607), a contact wheel (608), a connecting column (609), a signal end (610), a first laser module (611), a second laser module (612), an extension rod (613), a mounting frame (614), a mounting bolt (615), and a connecting pin (616). , a second comparison scale (617), a third laser module (618) and a fourth laser module (619); a first rotating rod (603) is passed through one end of the connecting arm (601); a first control motor (604) drives the first rotating rod (603) to drive the connecting arm (601) to turn; a second rotating rod (605) is provided between the connecting arm (601) and the swing arm (602); a second control motor (606) drives the second rotating rod (605) to drive the connecting arm (601) and the swing arm (602) to swing.

7. The metal surface defect laser scanning detection device according to claim 6, characterized in that: A first comparison scale (607) is provided at one end of the swing arm (602) away from the connecting arm (601), a contact wheel (608) is linearly provided at the corner of the first comparison scale (607), a connecting column (609) is passed through the center of the contact wheel (608), a signal end (610) is provided at one end of the connecting column (609), an antenna is provided inside the signal end (610), a first laser module (611) and a second laser module (612) are distributed along the two connected surfaces of the first comparison scale (607), extension rods (613) are provided at both ends of the first comparison scale (607), and a mounting frame (614) is provided along the extension direction of the extension rod (613). A mounting bolt (615) is provided between the mounting frame (614) and the extension rod (613); a second comparison scale (617) is provided at one end of the mounting frame (614) away from the extension rod (613); a connecting pin (616) is provided between the second comparison scale (617) and the mounting frame (614); a third laser module (618) and a fourth laser module (619) are provided along two connected surfaces of the second comparison scale (617); and the first laser module (611), the second laser module (612), the third laser module (618) and the fourth laser module (619) are all provided with electrically connected laser transmitters, receivers and signal processors.

8. The metal surface defect laser scanning detection device according to claim 1, characterized in that: Second push rods (701) are provided at the corners of the balance box (7), and a second cylinder (702) is provided at one end of the second push rod (701). The second cylinder (702) drives the second push rod (701) to drive the balance box (7) to rise and fall.

9. The metal surface defect laser scanning detection device according to claim 1, characterized in that: The air pressure cleaning module (8) comprises an air box (801), an air exchange groove (802), an air pump (803), an air pipe (804), an expansion plate (805) and a spray hole (806); the air box (801) is provided with an air exchange groove (802); the air box (801) is provided with an air pump (803) inside; the air box (801) is provided with an air pipe (804) at the lower end of the air box (801); the air pipe (804) is provided at the lower end of the air pipe (804); the spray hole (806) is distributed on the expansion plate (805); and the spray hole (806) is provided with an ejector inside. The water gun cleaning module (9) comprises a filling pipe (901), a high-pressure water gun (902) and a solution box (903); the filling pipe (901) is provided at the top of the solution box (903); the high-pressure water gun (902) is distributed at the bottom of the solution box (903); and the high-pressure pump is provided inside the high-pressure water gun (902).

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