A surface flaw detection device for large mechanical parts

Abstract

The present invention discloses a surface flaw detection device for large mechanical parts, which relates to the technical field of parts flaw detection, including a support box, the inner surface of the support box is fixedly connected with a sliding device, one side of the sliding device is fixedly connected with a telescopic device, the end of the telescopic device away from the sliding device is fixedly connected with a connecting rod, the end of the connecting rod away from the telescopic device is fixedly connected with a flaw detection mechanism, and the outer surface of the flaw detection mechanism is fixedly connected with a marking mechanism; the device rotates around the surface of the part through the cleaning brush, dust box, and air hole inside the cleaning component, so as to clean the debris on the surface of the part, and then cooperate with the forward and backward movement of the moving device to clean the debris on the surface of the mechanical part in all directions, so as to avoid residual metal debris attached to the surface of the part, thereby affecting the flaw detection operation of the part. The device can knock down the impurities contained in the cleaning brush through the up and down movement of the vibrating rod inside the vibrating component.

Description

Technical Field

[0001] The invention relates to the technical field of parts flaw detection, and in particular to a surface flaw detection device for large mechanical parts. Background Art

[0002] Mechanical parts flaw detection is to detect cracks or defects inside metal materials or components. Common flaw detection methods include: X-ray flaw detection, ultrasonic flaw detection, magnetic particle flaw detection, penetrant flaw detection, eddy current flaw detection, gamma ray flaw detection, fluorescent flaw detection, color flaw detection and other methods. Physical flaw detection is non-destructive flaw detection without chemical changes. Non-destructive flaw detection uses the sound, light, magnetism and electricity characteristics of the material to detect whether there are defects or unevenness in the inspected object without damaging or affecting the performance of the inspected object, and provide information such as defect size, location, nature and quantity.

[0003] When performing surface flaw detection on cylindrical mechanical parts, if there are residual metal debris attached to the surface of the parts, it will affect the flaw detection of the parts. Therefore, the present invention designs a surface flaw detection device for large mechanical parts for cylindrical mechanical parts to solve the above problem. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a surface flaw detection equipment for large mechanical parts, including a support box, the inner surface of the support box is fixedly connected with a sliding device, one side of the sliding device is fixedly connected with a telescopic device, the end of the telescopic device away from the sliding device is fixedly connected with a connecting rod, the end of the connecting rod away from the telescopic device is fixedly connected with a flaw detection mechanism, and the outer surface of the flaw detection mechanism is fixedly connected with a marking mechanism; the sliding device can drive the telescopic device, the connecting rod and the flaw detection mechanism to move forward and backward along the outer surface of the cylindrical mechanical parts, the support box is used to place large cylindrical mechanical parts, and the telescopic device can drive the telescopic device and the marking mechanism to extend and retract.

[0005] The flaw detection mechanism includes a semicircular slide rail, a moving device is slidably connected to the outer surface of the semicircular slide rail, a flaw detection device is fixedly connected to the upper surface of the moving device, and a cleaning component is fixedly connected to the outer surface of the moving device. The moving device can rotate in a circle along the outer surface of the semicircular slide rail, and the flaw detection device can perform flaw detection around the outer surface of the cylindrical mechanical part under the rotation of the moving device. The cleaning component is used to clean impurities on the outer surface of the mechanical part, so as to facilitate the flaw detection operation of the flaw detection device.

[0006] Furthermore, the cleaning component includes a fixing frame, the inner wall of the fixing frame is fixedly connected with a dust collector, the output end of the dust collector is fixedly connected with a dust suction pipe, one end of the dust suction pipe far from the dust collector is fixedly connected with a dust suction box, the outer surface of the dust suction box is fixedly connected with a cleaning brush, a first air hole is opened on the outer surface of the dust suction box, a second air hole is arranged below the first air hole, and a vibration component is fixedly connected to the upper surface of the dust suction box. The fixing frame plays a role in connecting and fixing the dust collector of the moving device. The dust collector cleans the impurities on the surface of mechanical parts through the dust suction pipe and the first and second air holes opened on the surface of the dust suction box, and jointly realizes the cleaning operation through the cooperation of the cleaning brush.

[0007] Furthermore, one end of the connecting rod far from the telescopic device is fixedly connected to the outer surface of the semi-circular slide rail, the upper end of the fixing frame is fixedly connected to one side of the moving device far from the marking mechanism, one side of the dust suction box close to the dust collector is fixedly connected to the bottom end of the fixing frame, and the second air hole is opened on the outer surface of the dust suction box.

[0008] Furthermore, the vibration component includes a positioning frame, the inner wall of the positioning frame is fixedly connected with an adjusting pipe, the inner wall of the adjusting pipe is fixedly connected with a pressure gauge, an impact ball is slidably connected to the inner wall of the adjusting pipe, a telescopic rod is fixedly connected to the lower surface of the positioning frame, and a vibrating rod is fixedly connected to one end of the telescopic rod far from the positioning frame. The adjusting pipe can rotate circumferentially around the outer surface of the mechanical part. The impact ball will slide left and right along the inner wall of the adjusting pipe during the rotation of the adjusting pipe and impact the pressure gauge at a certain time interval. The vibrating rod can strike the cleaning brush to knock down the dust on the surface of the cleaning brush, and then suck the dust through the air holes opened on the surface of the dust suction box.

[0009] Furthermore, the lower surface of the positioning frame is fixedly connected to the upper surface of the dust suction box, and the vibrating rod is arranged above the second air hole.

[0010] Furthermore, the marking mechanism includes a connecting frame, the inner wall of the connecting frame is fixedly connected with an electric rod, the bottom end of the electric rod is fixedly connected with a pressing plate, a leak-proof component is fixedly connected to the upper surface of the pressing plate, a marking pipe is slidably connected to the outer surface of the pressing plate, and a feeding pipe is fixedly connected to the outer surface of the marking pipe. The connecting frame plays a role in connecting and fixing the marking pipe and the moving device. Under the expansion and contraction of the electric rod, the pressing plate can squeeze the marking liquid inside the marking pipe so that it sprays out from the bottom port of the marking pipe. The feeding pipe can supply the marking liquid inside the marking pipe.

[0011] Furthermore, the leakage-proof component comprises a position-limiting tube, the inner wall of the position-limiting tube is slidably connected with a pull rope, the bottom end of the pull rope is fixedly connected with a leak-proof plate, the inner wall of the leak-proof plate is fixedly connected with a replacement component, the inner wall of the leak-proof plate is rotatably connected with a bending rod, the outer surface of the bending rod is fixedly connected with a support plate, the inner wall of the support plate is fixedly connected with a pressure sensor, and the bottom of the pressure sensor is fixedly connected with a spring belt. The position-limiting tube can limit the sliding of the pull rope, and the leak-proof plate can drive the pull rope to slide along the inner wall of the position-limiting tube when sliding up and down along the inner wall of the marking tube, and the leak-proof plate can rotate along the outer surface of the bending rod and squeeze the spring belt, which has the same function as the spring and has elasticity and reset effect.

[0012] Furthermore, the replacement component includes a limit box, the inner wall of the limit box is slidably connected to a pull plate, the upper surface of the pull plate is fixedly connected to a tension spring, the end of the pull plate away from the tension spring is fixedly connected to a placement plate, and the inner wall of the placement plate is fixedly connected to a sponge block. The limit tube can limit the sliding of the pull plate, the placement plate is used to place the sponge block, and the sponge block can block the marking liquid at the bottom of the marking tube to prevent leakage from the bottom tube opening of the marking tube.

[0013] Furthermore, the side of the connecting frame close to the flaw detection device is fixedly connected to the outer surface of the moving device, the side of the connecting frame close to the extrusion plate is fixedly connected to the outer surface of the marking tube, the top of the limiting tube is fixedly connected to the upper surface of the marking tube, the end of the pull rope away from the leakage prevention plate is fixedly connected to the upper surface of the extrusion plate, both ends of the bending rod are fixedly connected to the outer surface of the marking tube, the bottom end of the spring belt is fixedly connected to the side of the leakage prevention plate close to the limiting tube, the upper surface of the limiting box is fixedly connected to the bottom of the leakage prevention plate, the top of the tension spring is fixedly connected to the inner wall of the leakage prevention plate, and the outer surface of the placement plate is slidably connected to the inner wall of the leakage prevention plate.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. This device can clean the debris on the surface of the part by rotating the cleaning brush, dust box and air hole inside the cleaning part around the surface of the part. Combined with the forward and backward movement of the mobile device, the debris on the surface of the mechanical part can be cleaned in all directions to avoid residual metal debris adhering to the surface of the part, thereby affecting the flaw detection operation of the part.

[0016] 2. This device can knock down the impurities contained in the cleaning brush by moving the vibrating rod inside the vibrating component up and down, and then cooperate with the air hole 1 and the air hole 2 to absorb the fallen dust. The vibration rod hitting the dust inside the cleaning brush can remove some dust attached to the inside of the cleaning brush, and avoid a certain amount of dust gradually attached to the inside when the cleaning brush cleans the surface of the parts for a long time, thereby affecting the subsequent cleaning effect of the cleaning brush on the parts.

[0017] 3. The device is provided with an adjusting tube and an impact ball inside the vibrating component. When the adjusting tube is rotated to a suitable angle, the impact ball will slide along the inner wall of the adjusting tube, thereby controlling the up and down movement of the vibrating rod. When the cleaning brush is rotated to the sides or bottom of the part, the vibrating rod will hit the surface of the cleaning brush, so that the dust knocked down will not fall onto the surface of the part, thereby preventing the vibrating rod from hitting the cleaning brush when it is rotated to an inappropriate position, causing the knocked down dust to fall onto the surface of the part.

[0018] 4. This device can mark the damaged parts of parts through the cooperation of the extrusion plate and the marking tube inside the marking mechanism. By utilizing the up and down movement of the extrusion plate, the leakage-proof plate and the rotation of the replacement parts can be driven by the pull rope. When the marking tube is marking, the bottom pipe mouth is leaked open. When the marking tube is out of use, the bottom pipe mouth is blocked to prevent marking liquid from dripping out from the bottom of the pipe mouth when the marking tube is not marking, and falling onto the surface of the mechanical parts, thereby causing the staff to misjudge the damaged parts of the parts.

[0019] 5. When the device blocks the bottom opening of the marking tube by replacing parts, the marking liquid is adsorbed by the sponge block on the inner wall of the placement plate. Since each time the part is damaged, the marking tube is required to mark the damaged part, the leak-proof plate and the replacement parts will be rotated and opened once. When a certain number of times is reached, the sponge block on the inner wall is leaked out from the inside of the leak-proof plate by moving the placement plate, and the wet sponge block can be replaced to avoid the sponge block from absorbing the marking liquid for a long time and becoming wet, which leads to a decrease in subsequent adsorption capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the flaw detection mechanism of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the cleaning component of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the vibration component of the present invention;

[0024] Figure 5 It is a structural schematic diagram of the marking mechanism of the present invention;

[0025] Figure 6 It is a schematic structural diagram of the leakage-proof component of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the replacement parts of the present invention;

[0027] Figure 8 It is a cross-sectional view of the leakage prevention plate of the present invention.

[0028] In the figure: 1. support box; 2. sliding device; 3. telescopic device; 4. connecting rod; 5. flaw detection mechanism; 51. semicircular slide rail; 52. moving device; 53. flaw detection device; 54. cleaning component; 541. fixing frame; 542. vacuum cleaner; 543. vacuum tube; 544. vacuum box; 545. cleaning brush; 546. air hole 1; 547. air hole 2; 548. vibrating component; 5481. positioning frame; 5482. regulating tube; 5483. pressure gauge; 5484. impact ball; 5485 , telescopic rod; 5486, vibrating rod; 6, marking mechanism; 61, connecting frame; 62, electric rod; 63, extrusion plate; 64, leak-proof component; 641, limit tube; 642, pull rope; 643, leak-proof plate; 644, replacement parts; 6441, limit box; 6442, pull plate; 6443, tension spring; 6444, placement plate; 6445, sponge block; 645, bending rod; 646, support plate; 647, pressure sensor; 648, spring belt; 65, marking tube; 66, feed pipe. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0030] For example, see Figure 1-Figure 4 The present invention provides a technical solution: a surface flaw detection device for large mechanical parts, comprising a support box 1, a sliding device 2 is fixedly connected to the inner surface of the support box 1, a telescopic device 3 is fixedly connected to one side of the sliding device 2, a connecting rod 4 is fixedly connected to the end of the telescopic device 3 away from the sliding device 2, a flaw detection mechanism 5 is fixedly connected to the end of the connecting rod 4 away from the telescopic device 3, and a marking mechanism 6 is fixedly connected to the outer surface of the flaw detection mechanism 5; the sliding device 2 can drive the telescopic device 3, the connecting rod 4 and the flaw detection mechanism 5 to move forward and backward along the outer surface of the cylindrical mechanical parts, the support box 1 is used to place large cylindrical mechanical parts, and the telescopic device 3 can drive the flaw detection mechanism 5 and the marking mechanism 6 to be extended and retracted.

[0031] First, when it is necessary to perform flaw detection on the surface of cylindrical mechanical parts, the large cylindrical mechanical parts are placed in the groove on the upper surface of the support box 1 through external lifting equipment. After the cylindrical mechanical parts are placed, the telescopic devices 3 are symmetrically arranged on both sides of the mechanical parts. The telescopic devices 3 on both sides of the mechanical parts are started, driving the flaw detection mechanism 5 and the marking mechanism 6 to approach the mechanical parts. When the flaw detection mechanism 5 and the marking mechanism 6 reach the specified position, the flaw detection mechanism 5 is used to perform flaw detection on the surface of the mechanical parts, and the marking mechanism 6 is used to mark the damaged parts on the surface of the mechanical parts.

[0032] The flaw detection mechanism 5 includes a semicircular slide rail 51, a moving device 52 is slidably connected to the outer surface of the semicircular slide rail 51, a flaw detection device 53 is fixedly connected to the upper surface of the moving device 52, and a cleaning component 54 is fixedly connected to the outer surface of the moving device 52. The moving device 52 can rotate in a circle along the outer surface of the semicircular slide rail 51, and the flaw detection device 53 can perform flaw detection around the outer surface of the cylindrical mechanical part under the rotation of the moving device 52. Among them, the cleaning component 54 is used to clean impurities on the outer surface of the mechanical part, so as to facilitate the flaw detection operation of the flaw detection device 53.

[0033] When the mechanical part is placed in the groove on the upper surface of the support box 1, the telescopic devices 3 on both sides of the part are activated, driving the connecting rod 4 and the semicircular slide rail 51 close to the mechanical cylindrical part until the semicircular slide rails 51 on both sides fit together. At this time, the mechanical part is located at the center of the two semicircular slide rails 51.

[0034] When the moving device 52 is started, it can rotate along the outer surface of the semicircular slide rail 51, and drive the flaw detection device 53 to rotate around the outer surface of the cylindrical mechanical part, and perform flaw detection on the surface of the part through the flaw detection device 53. During the rotation process, the moving device 52 also drives the cleaning component 54 to rotate.

[0035] The cleaning component 54 includes a fixed frame 541, the inner wall of which is fixedly connected to a vacuum cleaner 542, the output end of which is fixedly connected to a vacuum tube 543, the end of which away from the vacuum cleaner 542 is fixedly connected to a vacuum box 544, the outer surface of which is fixedly connected to a cleaning brush 545, the outer surface of which is provided with an air hole 1 546, the lower part of which is provided with an air hole 2 547, and the upper surface of which is fixedly connected to a vibrating component 548. The fixed frame 541 serves to connect and fix the vacuum cleaner 542 of the mobile device 52, and the vacuum cleaner 542 cleans impurities on the surface of the mechanical parts through the vacuum tube 543 and the air holes 1 546 and 2 547 on the surface of the vacuum box 544, and the cleaning operation is achieved by the cooperation of the cleaning brush 545.

[0036] One end of the connecting rod 4 away from the telescopic device 3 is fixedly connected to the outer surface of the semicircular slide rail 51, the upper end of the fixed frame 541 is fixedly connected to the side of the moving device 52 away from the marking mechanism 6, the side of the dust box 544 close to the vacuum cleaner 542 is fixedly connected to the bottom end of the fixed frame 541, and the air hole 2 547 is opened on the outer surface of the dust box 544.

[0037] When the moving device 52 and the flaw detection device 53 rotate in a circle around the outer surface of the mechanical part, the cleaning component 54 also rotates with the rotation of the moving device 52. The moving device 52 drives the vacuum cleaner 542 and the vacuum tube 543, the vacuum box 544 and the cleaning brush 545 to rotate through the fixed frame 541. The cleaning brush 545 can rotate along the outer surface of the mechanical part and contact the surface of the part to clean up the impurities and debris on the surface of the part. The cleaned debris is adsorbed by the air holes 546 opened on the surface of the vacuum cleaner 542, the vacuum tube 543 and the vacuum box 544. The cleaning brush 545 cleans the parts in a circular manner, which can clean up the debris on the surface of the parts. Combined with the forward and backward movement of the moving device 52, the debris on the surface of the cylindrical mechanical parts can be cleaned in all directions.

[0038] The vibration component 548 includes a positioning frame 5481, the inner wall of which is fixedly connected to an adjustment tube 5482, the inner wall of which is fixedly connected to a pressure gauge 5483, the inner wall of which is slidably connected to an impact ball 5484, the lower surface of which is fixedly connected to a telescopic rod 5485, and the end of which is away from the positioning frame 5481 is fixedly connected to a vibrating rod 5486. The adjustment tube 5482 can rotate in a circle around the outer surface of the mechanical part, and the impact ball 5484 can slide left and right along the inner wall of the adjustment tube 5482 during its rotation, and impact the pressure gauge 5483 in a certain period of time. The vibrating rod 5486 can hit the cleaning brush 545, knock down the dust on the surface of the cleaning brush 545, and then vacuum the dust through the air holes opened on the surface of the dust box 544.

[0039] The lower surface of the positioning frame 5481 is fixedly connected to the upper surface of the dust box 544 , and the vibrating rod 5486 is arranged above the second air hole 547 .

[0040] When the cleaning brush 545 is circling around the outer surface of the mechanical part for cleaning, after a long period of cleaning, certain debris and impurities will remain inside the cleaning brush 545, which needs to be cleaned to prevent the remaining debris from attaching to the outer surface of the part again during the subsequent cleaning operation of the cleaning brush 545.

[0041] When the vibrating component 548 rotates to the top of the mechanical parts along with the cleaning component 54, the pressure gauge 5483 of the adjusting tube 5482 faces upward, and the impact ball 5484 slides along the inner wall of the adjusting tube 5482 to the end away from the pressure gauge 5483. When the adjusting tube 5482 rotates counterclockwise, it rotates to the position as shown in FIG. Figure 4 When in the orientation shown, the pressure gauge 5483 and the impact ball 5484 remain on the same horizontal line, and as the adjusting tube 5482 continues to rotate, the impact ball 5484 will slide downward along the inner wall of the adjusting tube 5482 and squeeze the pressure gauge 5483. When the pressure gauge 5483 feels the pressure, it will control the telescopic rod 5485 to contract and drive the vibrating rod 5486 to move upward. In the process of the vibrating rod 5486 moving upward, it will hit the surface of the cleaning brush 545, and knock the dust off the surface of the cleaning brush 545. The dust knocked down will be absorbed by the wind force of the air hole 1 546 and the air hole 2 547 into the interior of the dust box 544 and the vacuum cleaner 542 again.

[0042] When the vibration rod 5486 moves upward for a certain distance, the telescopic rod 5485 is reset, that is, extended, driving the vibration rod 5486 to move downward. The wind force in the second wind hole 547 can absorb some of the dust attached to the surface of the vibration rod 5486, thereby preventing the vibration rod 5486 from attaching dust to the surface of the cleaning brush 545 when the vibration rod 5486 hits the surface of the cleaning brush 545, thereby affecting the subsequent hitting and dust removal effects on the cleaning brush 545.

[0043] By providing the adjustment tube 5482 and the impact ball 5484, the vibrating rod 5486 will hit the surface of the cleaning brush 545 only when the cleaning brush 545 rotates to the sides or bottom of the part, so that the dust knocked down will not fall onto the surface of the part, thereby preventing the dust knocked down from the inside of the cleaning brush 545 from adhering to the surface of the part, thereby affecting the cleaning effect of the part.

[0044] For example 2, please refer to Figure 1-Figure 8 The present invention provides a technical solution: on the basis of the first embodiment, the marking mechanism 6 includes a connecting frame 61, the inner wall of the connecting frame 61 is fixedly connected with an electric rod 62, the bottom end of the electric rod 62 is fixedly connected with an extrusion plate 63, the upper surface of the extrusion plate 63 is fixedly connected with a leakproof component 64, the outer surface of the extrusion plate 63 is slidably connected with a marking tube 65, and the outer surface of the marking tube 65 is fixedly connected with a feed pipe 66. The connecting frame 61 serves to connect and fix the marking tube 65 and the moving device 52. Under the extension and retraction of the electric rod 62, the extrusion plate 63 can squeeze the marking liquid on the inner wall of the marking tube 65 so that it can be sprayed out from the bottom port of the marking tube 65. The feed pipe 66 can supply the marking liquid inside the marking tube 65. A pressure valve is provided in the bottom pipe mouth of the marking tube 65. Only when the pressure reaches a certain level, the internal marking liquid will be sprayed out from the bottom of the pipe mouth.

[0045] When the moving device 52 rotates around the surface of the part, it can drive the connecting frame 61 and the marking tube 65 to rotate. When the flaw detection device 53 detects damage on the surface of the cylindrical mechanical part, the moving device 52 stops rotating. At this time, the electric rod 62 extends to drive the extrusion plate 63 to slide downward along the inner wall of the marking tube 65, and squeezes the marking liquid inside the marking tube 65, so that the marking liquid is sprayed from the bottom of the pipe mouth to the damaged outer surface of the mechanical part, which can mark the damaged part of the part, making it easier for outside workers to see the damaged part of the part. At the same time, the cleaning operation of the part surface improves the marking effect of the damaged part of the part.

[0046] The anti-leakage component 64 includes a limit tube 641, the inner wall of which is slidably connected with a pull rope 642, the bottom end of which is fixedly connected with a leak-proof plate 643, the inner wall of which is fixedly connected with a replacement component 644, the inner wall of which is rotatably connected with a bent rod 645, the outer surface of which is fixedly connected with a support plate 646, the inner wall of which is fixedly connected with a pressure sensor 647, and the bottom of which is fixedly connected with a spring belt 648. The limit tube 641 can limit the sliding of the pull rope 642, the leak-proof plate 643 can drive the pull rope 642 to slide along the inner wall of the marking tube 65 when sliding up and down, the leak-proof plate 643 can rotate along the outer surface of the bent rod 645 and squeeze the spring belt 648, and the spring belt 648 has the same elasticity and reset effect as the spring.

[0047] When the extrusion plate 63 slides downward along the inner wall of the marking tube 65, the extrusion plate 63 will also drive the top end of the pull rope 642 to move downward during the downward movement, and make the pull rope 642 slide along the inner wall of the limiting tube 641. The bottom end of the pull rope 642 pulls the leakage prevention plate 643 to rotate around the outer surface of the bending rod 645, so that the leakage prevention plate 643 and the replacement component 644 rotate toward the side close to the pull rope 642. During the rotation, the leakage prevention plate 643 will squeeze the spring belt 648 and transmit the squeezing force to the pressure sensor 647 through the spring belt 648.

[0048] By rotating the leakproof plate 643 and the replacement part 644, the nozzle at the bottom of the marking tube 65 can be opened, so that the marking liquid inside can be sprayed out from the nozzle at the bottom. When the marking liquid inside the marking tube 65 is not needed to mark the surface of the mechanical parts, that is, the electric rod 62 is contracted, driving the extrusion plate 63 to slide upward along the inner wall of the marking tube 65, and as the extrusion plate 63 moves upward, the pull rope 642 on the inner wall of the limit tube 641 can become loose, that is, the leakproof plate 643 is reset under the pressure of the spring belt 648, and rotates around the outer surface of the bending rod 645 until the leakproof plate 643 is attached to the outer surface of the marking tube 65 again, and when the leakproof plate 643 and the replacement part 644 are rotated, the leakproof plate 643 will pull the pull rope 642 to move, so that the pull rope 642 becomes tight again.

[0049] By replacing component 644, the tube opening at the bottom of the marking tube 65 is covered to prevent marking liquid from dripping out from the bottom of the tube opening when the marking tube 65 is not marking, and falling onto mechanical parts or the external environment, affecting the staff's judgment on the damaged parts, or causing problems that affect the external environment.

[0050] The replacement component 644 includes a limit box 6441, the inner wall of which is slidably connected to a pull plate 6442, the upper surface of which is fixedly connected to a tension spring 6443, the end of which away from the tension spring 6443 is fixedly connected to a placement plate 6444, the inner wall of which is fixedly connected to a sponge block 6445. The limit tube 641 can limit the sliding of the pull plate 6442, the placement plate 6444 is used to place the sponge block 6445, and the sponge block 6445 can shield the paint liquid at the bottom of the marking tube 65 to prevent the paint from leaking from the bottom of the marking tube 65.

[0051] The side of the connecting frame 61 close to the flaw detection device 53 is fixedly connected to the outer surface of the moving device 52, the side of the connecting frame 61 close to the extrusion plate 63 is fixedly connected to the outer surface of the marking tube 65, the top of the limiting tube 641 is fixedly connected to the upper surface of the marking tube 65, the end of the pull rope 642 away from the leakage prevention plate 643 is fixedly connected to the upper surface of the extrusion plate 63, both ends of the bending rod 645 are fixedly connected to the outer surface of the marking tube 65, the bottom end of the spring belt 648 is fixedly connected to the side of the leakage prevention plate 643 close to the limiting tube 641, the upper surface of the limiting box 6441 is fixedly connected to the bottom of the leakage prevention plate 643, the top of the tension spring 6443 is fixedly connected to the inner wall of the leakage prevention plate 643, and the outer surface of the placing plate 6444 is slidably connected to the inner wall of the leakage prevention plate 643.

[0052] When the replacement part 644 blocks the bottom opening of the marking tube 65, the sponge block 6445 on the inner wall of the plate 6444 is used to block the bottom opening of the marking tube 65, and the sponge block 6445 has an adsorption effect. Since the marking tube 65 needs to mark the damaged part every time the part is damaged, the leak-proof plate 643 will rotate and open once when the marking tube 65 is marking, and the pressure sensor 647 will be squeezed once through the spring belt 648. When the pressure sensor 647 feels the pressure for a certain number of times, it will transmit a signal to inform outsiders that the sponge block 6445 needs to be replaced in time to avoid the sponge block 6445 from adsorbing the marking liquid for a long time and becoming wet, which will lead to the problem of poor adsorption capacity later. Therefore, the entire device stops running, and the replacement component 644 is adjusted to a suitable position through the moving device 52 and the sliding device 2. The staff pulls the pull plates 6442 on both sides downward by hand, and one side of the pull plate 6442 slides against the inner wall of the limit box 6441, and stretches the tension spring 6443, so that the placement plate 6444 can also slide downward along the inner wall of the leak-proof plate 643 until the sponge block 6445 between the placement plate 6444 and the inner wall leaks out from the inside of the leak-proof plate 643, and the wet sponge block 6445 can be replaced. When the new sponge block 6445 is replaced, the pull plate 6442 is slowly released, and the placement plate 6444 slides upward along the inner wall of the leak-proof plate 643, and finally rests against the inner wall of the leak-proof plate 643 and is fixed.

[0053] The specific working process of the present invention is as follows:

[0054] First, when it is necessary to perform flaw detection on the surface of a cylindrical mechanical part, the large cylindrical mechanical part is placed in the groove on the upper surface of the support box 1 by external lifting equipment.

[0055] After the parts are placed, the flaw detection mechanism 5 and the painting mechanism are moved to appropriate positions by the telescopic device 3 and the moving device 52, so as to facilitate the flaw detection and marking operations on the parts.

[0056] By the circular rotation of the cleaning brush 545, the dust box 544 and the air hole 546 inside the cleaning component 54, the debris on the surface of the part can be cleaned off. Combined with the forward and backward movement of the moving device 52, the debris on the surface of the mechanical part can be cleaned in all directions to avoid residual metal debris adhering to the surface of the part, thereby affecting the flaw detection operation of the part.

[0057] By moving the vibrating rod 5486 inside the vibrating component 548 up and down, the impurities contained in the cleaning brush 545 can be knocked down, and then the fallen dust can be adsorbed by the air holes 1 546 and 2 547. The vibration rod 5486 knocks the dust inside the cleaning brush 545 to remove some dust attached to the cleaning brush 545, so as to avoid a certain amount of dust gradually attached to the cleaning brush 545 when the cleaning brush 545 cleans the surface of the parts for a long time, thereby affecting the subsequent cleaning effect.

[0058] At the same time, an adjusting tube 5482 and an impact ball 5484 are provided inside the vibration component 548. When the adjusting tube 5482 is rotated to a suitable angle, the impact ball 5484 will slide along the inner wall of the adjusting tube 5482, thereby controlling the up and down movement of the vibration rod 5486. When the cleaning brush 545 is rotated to the sides or bottom of the part, the vibration rod 5486 will hit the surface of the cleaning brush 545, so that the dust knocked down will not fall onto the surface of the part, thereby avoiding the problem that the vibration rod 5486 hits the cleaning brush 545 when it is rotated to an inappropriate position, causing the knocked down dust to fall onto the surface of the part.

[0059] Through the cooperation of the extrusion plate 63 and the marking tube 65 inside the marking mechanism 6, the damaged part of the part can be marked. By utilizing the up and down movement of the extrusion plate 63, the leakage-proof plate 643 and the replacement component 644 can be driven to rotate through the pull rope 642. When the marking tube 65 is marking, the bottom pipe opening will be leaked open. When the marking tube 65 is out of use, the bottom pipe opening will be blocked to prevent marking liquid from dripping out from the bottom of the pipe opening when the marking tube 65 is not marking, and falling onto the surface of the mechanical parts, thereby causing the staff to misjudge the damaged part of the part.

[0060] When the replacement component 644 covers the bottom tube opening of the marking tube 65, the marking liquid is adsorbed by the sponge block 6445 on the inner wall of the placement plate 6444. Since the marking tube 65 is required to mark the damaged part each time the part is damaged, the leak-proof plate 643 and the replacement component 644 will be rotated and opened once. When a certain number of times is reached, the placement plate 6444 is moved to allow the sponge block 6445 on the inner wall to leak out from the inside of the leak-proof plate 643, and the wet sponge block 6445 can be replaced to avoid the sponge block 6445 from adsorbing the marking liquid for a long time and becoming wet, which leads to a decrease in subsequent adsorption capacity.

[0061] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A surface flaw detection device for large mechanical parts, comprising a support box (1), characterized in that: The inner surface of the support box (1) is fixedly connected to a sliding device (2), one side of the sliding device (2) is fixedly connected to a telescopic device (3), one end of the telescopic device (3) away from the sliding device (2) is fixedly connected to a connecting rod (4), one end of the connecting rod (4) away from the telescopic device (3) is fixedly connected to a flaw detection mechanism (5), and the outer surface of the flaw detection mechanism (5) is fixedly connected to a marking mechanism (6); The flaw detection mechanism (5) comprises a semicircular slide rail (51), the outer surface of the semicircular slide rail (51) is slidably connected to a moving device (52), the upper surface of the moving device (52) is fixedly connected to a flaw detection device (53), and the outer surface of the moving device (52) is fixedly connected to a cleaning component (54); The cleaning component (54) comprises a fixing frame (541), the inner wall of the fixing frame (541) is fixedly connected to a vacuum cleaner (542), the output end of the vacuum cleaner (542) is fixedly connected to a vacuum tube (543), the end of the vacuum tube (543) away from the vacuum cleaner (542) is fixedly connected to a vacuum box (544), the outer surface of the vacuum box (544) is fixedly connected to a cleaning brush (545), the outer surface of the vacuum box (544) is provided with an air hole 1 (546), an air hole 2 (547) is provided below the air hole 1 (546), and the upper surface of the vacuum box (544) is fixedly connected to a vibration component (548); The vibration component (548) comprises a positioning frame (5481), an adjusting tube (5482) is fixedly connected to the inner wall of the positioning frame (5481), a pressure measuring device (5483) is fixedly connected to the inner wall of the adjusting tube (5482), an impact ball (5484) is slidably connected to the inner wall of the adjusting tube (5482), a telescopic rod (5485) is fixedly connected to the lower surface of the positioning frame (5481), and a vibrating rod (5486) is fixedly connected to one end of the telescopic rod (5485) away from the positioning frame (5481); The marking mechanism (6) comprises a connecting frame (61), the inner wall of the connecting frame (61) is fixedly connected to an electric rod (62), the bottom end of the electric rod (62) is fixedly connected to an extrusion plate (63), the upper surface of the extrusion plate (63) is fixedly connected to a leak-proof component (64), the outer surface of the extrusion plate (63) is slidably connected to a marking tube (65), and the outer surface of the marking tube (65) is fixedly connected to a feed tube (66); The leakage prevention component (64) comprises a position limiting tube (641), the inner wall of the position limiting tube (641) is slidably connected to a pull rope (642), the bottom end of the pull rope (642) is fixedly connected to a leakage prevention plate (643), the inner wall of the leakage prevention plate (643) is fixedly connected to a replacement component (644), the inner wall of the leakage prevention plate (643) is rotatably connected to a bending rod (645), the outer surface of the bending rod (645) is fixedly connected to a support plate (646), the inner wall of the support plate (646) is fixedly connected to a pressure sensor (647), and the bottom of the pressure sensor (647) is fixedly connected to a spring belt (648).

2. The surface flaw detection equipment for large mechanical parts according to claim 1 is characterized in that: The end of the connecting rod (4) away from the telescopic device (3) is fixedly connected to the outer surface of the semicircular slide rail (51), the upper end of the fixed frame (541) is fixedly connected to the side of the moving device (52) away from the marking mechanism (6), the side of the dust box (544) close to the dust collector (542) is fixedly connected to the bottom end of the fixed frame (541), and the second air hole (547) is opened on the outer surface of the dust box (544).

3. The surface flaw detection equipment for large mechanical parts according to claim 1 is characterized in that: The lower surface of the positioning frame (5481) is fixedly connected to the upper surface of the dust collection box (544), and the vibration rod (5486) is arranged above the second air hole (547).

4. The surface flaw detection equipment for large mechanical parts according to claim 1 is characterized in that: The replacement component (644) comprises a limit box (6441), the inner wall of the limit box (6441) is slidably connected to a pull plate (6442), the upper surface of the pull plate (6442) is fixedly connected to a tension spring (6443), one end of the pull plate (6442) away from the tension spring (6443) is fixedly connected to a placement plate (6444), and the inner wall of the placement plate (6444) is fixedly connected to a sponge block (6445).

5. The surface flaw detection equipment for large mechanical parts according to claim 4 is characterized in that: The side of the connecting frame (61) close to the flaw detection device (53) is fixedly connected to the outer surface of the moving device (52), the side of the connecting frame (61) close to the extrusion plate (63) is fixedly connected to the outer surface of the marking tube (65), the top end of the limit tube (641) is fixedly connected to the upper surface of the marking tube (65), the end of the pull rope (642) away from the leakproof plate (643) is fixedly connected to the upper surface of the extrusion plate (63), and the bending rod (645) Both ends of the spring strip (648) are fixedly connected to the outer surface of the marking tube (65), the bottom end of the spring strip (648) is fixedly connected to the side of the leak-proof plate (643) close to the limiting tube (641), the upper surface of the limiting tube (641) is fixedly connected to the bottom of the leak-proof plate (643), the top end of the tension spring (6443) is fixedly connected to the inner wall of the leak-proof plate (643), and the outer surface of the placement plate (6444) is slidably connected to the inner wall of the leak-proof plate (643).

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