Automatic metal bar flaw detection device
By combining a multi-probe design with hydraulic and pneumatic devices, the problems of inaccurate and unstable detection results in automatic flaw detection devices for metal bars have been solved, achieving high-precision and stable automatic flaw detection.
Patent Information
- Application Number
- CN202510317014.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2045-03-18
AI Technical Summary
Existing automatic flaw detection devices for metal bars suffer from inaccurate detection results and poor stability, especially inaccurate results due to errors.
The design employs multiple flaw detector probes, combined with a servo motor, sprocket, reciprocating screw, sliding block, gear, and rack, to achieve the rotation and axial movement of the flaw detector probes. Hydraulic and pneumatic devices are used to improve the stability of the metal bar, ensuring the accuracy and stability of the inspection.
It enables high-precision automatic flaw detection of metal bars, reduces the inaccuracy of detection results caused by errors, and improves the stability and consistency of detection.
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Figure CN119959505B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of flaw detection machinery, in particular to an automatic flaw detection device for metal bars. BACKGROUND
[0002] Metal bars (such as steel bars, aluminum bars, and copper alloy bars) are key raw materials in the fields of mechanical manufacturing, automobiles, aerospace, etc., and internal defects (porosity, cracks, inclusions) and surface defects (scratches, folds) directly affect the performance and safety of finished products. Traditional manual detection has problems such as low efficiency, high missed detection rate, and poor consistency, and there is an urgent need for high-precision, automated, and non-destructive flaw detection technology.
[0003] However, the existing automatic flaw detection device for metal bars includes a base, a rolling device arranged in the base and used to drive the metal bar placed above to rotate and move axially during flaw detection, a driving device drivingly connected with the rolling device and used to drive the rolling device to move during flaw detection, and a detection device including a support frame mounted on the base and a flaw detection probe mounted on the support frame and used to detect the metal bar during flaw detection. When the single flaw detection probe is used to perform the corresponding flaw detection operation, there is a possibility that the detection result is inaccurate due to errors. SUMMARY
[0004] In view of the deficiencies of the prior art, the present application provides an automatic flaw detection device for metal bars to solve the problems raised in the background. To achieve the above purpose, the present application is implemented by the following technical scheme: an automatic flaw detection device for metal bars, comprising a base, a stabilizing seat and a servo motor mounted on the top of the base, a power rod drivingly connected to the side of the servo motor, a chain wheel one fixedly connected to the side of the power rod, a chain mounted on the outside of the chain wheel one, a reciprocating screw rod rotatably connected to the top of the base, a chain wheel two fixedly connected to the side of the reciprocating screw rod, a sliding block slidingly connected to the top of the base, a fixed rod fixedly connected to the top of the sliding block, an arc-shaped plate fixedly connected to the side of the fixed rod, a rotating rod rotatably connected to the inside of the arc-shaped plate, a gear fixedly connected to the outside of the rotating rod, a toothed rod fixedly connected to the top of the stabilizing seat, a flaw detection probe body mounted on the bottom of the rotating rod, a stabilizing assembly mounted on the top of the base for clamping the metal bar, and an auxiliary stabilizing assembly mounted in the inside of the stabilizing seat for adsorbing the metal bar. The three flaw detection probe bodies successively perform flaw detection operations on a certain point of the metal bar, reducing the possibility of inaccurate detection results due to errors.
[0005] The outside of the power rod is fixedly connected with a chain wheel one, the outside of the chain wheel one is assembled with a chain, the top of the base is rotatably connected with a reciprocating screw rod, the side of the reciprocating screw rod is fixedly connected with a chain wheel two, the top of the base is slidingly connected with a sliding block, the top of the sliding block is fixedly connected with a fixed rod, the side of the fixed rod is fixedly connected with an arc-shaped plate, the inside of the arc-shaped plate is rotatably connected with a penetrating rotating rod, the outside of the rotating rod is fixedly connected with a gear, the top of the stabilizing seat is fixedly connected with a toothed rod, the bottom of the rotating rod is assembled with a flaw detection probe body, the top of the base is assembled with a stabilizing assembly for clamping the metal bar, and the inside of the stabilizing seat is assembled with an auxiliary stabilizing assembly for adsorbing the metal bar. The three flaw detection probe bodies successively perform flaw detection operations on a certain point of the metal bar, reducing the possibility of inaccurate detection results due to errors.
[0006] Preferably, the sliding block is assembled at the outer side of the reciprocating screw rod and is connected with the reciprocating screw rod through threads.
[0007] Preferably, the gear rod is located at the side of the gear and is in engagement with the gear, so that the gear can rotate when moving due to the restriction of the gear rod.
[0008] Preferably, the stabilizing assembly comprises a hydraulic chamber I and a hydraulic device, the inside of the stabilizing seat is connected with a clamping plate through a spring I, the inside of the hydraulic chamber I is connected with a movable block through an elastic telescopic rod I, the side of the hydraulic chamber I is slidably connected with an arc-shaped rod, one end of the hydraulic device is slidably connected with a force rod, the other end of the hydraulic device is slidably connected with a push rod, the side of the force rod is assembled with a spring II, and the side of the clamping plate is connected with a force plate through an elastic telescopic rod II, so that an additional force can be applied to the clamping plate to improve the stability of the metal bar during detection.
[0009] Preferably, the force rod is located at the side of the arc-shaped rod and is in contact with the arc-shaped rod.
[0010] Preferably, the force plate is located at the side of the push rod and is in contact with the push rod.
[0011] Preferably, the auxiliary stabilizing assembly comprises a suction cup assembled in the inside of the clamping plate, the side of the hydraulic device is assembled with a hydraulic chamber II, the side of the hydraulic chamber II is slidably connected with a connecting rod, the side of the suction cup is assembled with a communicating air pressure chamber, and the side of the air pressure chamber is slidably connected with a pull rod, so that the residual gas between the suction cup and the metal bar can be extracted, the suction is more stable, and the stability of the device during use is further improved.
[0012] Preferably, the pull rod is located at the top of the connecting rod and is in a fixed state with the connecting rod.
[0013] The application provides a metal bar automatic flaw detection device.
[0014] (1) The metal bar automatic flaw detection device passes the metal bar through the stabilizing seat and places it in the placing chamber, starts the servo motor, cooperates with the chain wheel I, the chain, the reciprocating screw rod, the chain wheel II, the sliding block, the fixed rod, the arc-shaped plate, the rotating rod, the gear and the gear rod, so that the three flaw detection needles sequentially perform flaw detection operation on the metal bar at certain points, and the possibility of inaccurate detection results caused by errors is reduced.
[0015] (2) the metal rod automatic flaw detection device, the metal rod is placed in the placing bin through the stable seat, the metal rod away from the placing bin is clamped by two clamping plates, and an additional force can be applied to the clamping plate by cooperating with the hydraulic bin one, the hydraulic device, the spring one, the elastic telescopic rod one, the movable block, the arc-shaped rod, the stress rod, the push rod, the spring two, the elastic telescopic rod two and the stress plate, so that the stability of the metal rod during detection is improved.
[0016] (3) the metal rod automatic flaw detection device, the metal rod is clamped by two clamping plates, and the suction cup is immediately subjected to preliminary adsorption operation on the metal rod, when the pressure in the hydraulic device increases, the suction cup and the metal rod can be extracted by cooperating with the hydraulic bin two, the connecting rod, the air pressure bin and the pull rod, so that the suction is more stable, and the stability of the device during use is further improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the overall appearance three-dimensional structure schematic diagram of the application;
[0018] Figure 2 It is the overall cross section three-dimensional structure schematic diagram of the application;
[0019] Figure 3 It is the three-dimensional structure schematic diagram of part of the application;
[0020] Figure 4 It is the three-dimensional structure schematic diagram of the stable assembly of the application;
[0021] Figure 5 It is the three-dimensional structure schematic diagram of the auxiliary stable assembly of the application; Figure 4 It is the enlarged structure schematic diagram of A in the application;
[0022] Figure 6 It is the three-dimensional structure schematic diagram of the auxiliary stable assembly of the application; Figure 4 It is the enlarged structure schematic diagram of B in the application;
[0023] Figure 7 It is the three-dimensional structure schematic diagram of the auxiliary stable assembly of the application;
[0024] Figure 8 It is the three-dimensional structure schematic diagram of the auxiliary stable assembly of the application; Figure 7 It is the enlarged structure schematic diagram of C in the application.
[0025] In the figure:
[0026] 100, base; 200, stable seat; 300, servo motor; 400, power rod; 500, placing bin; 601, chain wheel one; 602, chain; 603, reciprocating screw; 604, chain wheel two; 605, sliding block; 606, fixed rod; 607, arc-shaped plate; 608, rotating rod; 609, gear; 610, toothed rod; 611, flaw detection needle body;
[0027] 700, stabilizing assembly; 701, hydraulic bin one; 702, hydraulic device; 703, spring one; 704, clamping plate; 705, elastic telescopic rod one; 706, movable block; 707, arc-shaped rod; 708, force receiving rod; 709, push rod; 710, spring two; 711, elastic telescopic rod two; 712, force receiving plate;
[0028] 800, auxiliary stabilizing assembly; 801, suction cup; 802, hydraulic bin two; 803, connecting rod; 804, air pressure bin; 805, pull rod. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.
[0030] Embodiment one, please refer to Figures 1-3 A metal bar automatic flaw detection device, comprising a base 100, the top of the base 100 is respectively assembled with a stabilizing seat 200 and a servo motor 300, the side of the servo motor 300 is drivingly connected with a power rod 400, the side of the power rod 400 is fixedly connected with a placing bin 500, the metal bar is placed in the placing bin 500 through the stabilizing seat 200, the servo motor 300 is started, which can drive the power rod 400 drivingly connected with the servo motor 300 to rotate, so that the power rod 400 drives the placing bin 500 fixedly connected with the power rod 400 to rotate, and drives the metal bar in the placing bin 500 to rotate;
[0031] The outer side of the power rod 400 is fixedly connected with a chain wheel one 601, the outer side of the chain wheel one 601 is assembled with a chain 602, the top of the base 100 is rotatably connected with a reciprocating screw rod 603, the side of the reciprocating screw rod 603 is fixedly connected with a chain wheel two 604, the top of the base 100 is slidingly connected with a sliding block 605, the sliding block 605 is assembled at the outer side of the reciprocating screw rod 603 and is connected with the reciprocating screw rod 603 through threads. When the power rod 400 rotates, it can drive the chain wheel one 601 fixedly connected with the power rod 400 to rotate, cooperate with the chain 602 assembled at the outer side of the chain wheel one 601, so that the chain wheel two 604 drivingly connected with the chain 602 rotates, the reciprocating screw rod 603 fixedly connected with the chain wheel two 604 rotates, and the sliding block 605 assembled on the reciprocating screw rod 603 is limited by the base 100, so that the sliding block 605 reciprocates in the horizontal direction.
[0032] The top of the sliding block 605 is fixedly connected with a fixed rod 606, the side surface of the fixed rod 606 is fixedly connected with an arc-shaped plate 607, the inside of the arc-shaped plate 607 is rotatably connected with a penetrating rotating rod 608, the outside of the rotating rod 608 is fixedly connected with a gear 609, the top of the stable seat 200 is fixedly connected with a toothed rod 610, the toothed rod 610 is located at the side surface position of the gear 609 and is in meshing state with the gear 609, and the bottom of the rotating rod 608 is assembled with a flaw detection needle body 611. When the sliding block 605 reciprocally moves in the horizontal direction, the fixed rod 606 fixedly connected with the sliding block 605 is synchronously moved, so that the fixed rod 606 drives the arc-shaped plate 607 fixedly connected with the fixed rod 606 to move, the rotating rod 608 rotatably connected with the arc-shaped plate 607 and the gear 609 fixedly connected with the rotating rod 608 are synchronously moved, because the gear 609 is limited by the toothed rod 610, the gear 609 is rapidly rotated while moving horizontally, the rotating rod 608 fixedly connected with the gear 609 is rapidly rotated, the flaw detection needle body 611 assembled at the bottom side of the rotating rod 608 is rotated, and the three flaw detection needle bodies 611 successively perform flaw detection operation on the certain point of the metal bar in sequence; and the flaw detection needle body 611 reciprocally moving in the horizontal direction cooperates with the rotating metal bar, so that the flaw detection operation can be performed on each position of the metal bar. The possibility that the detection result is inaccurate due to error is reduced. The top of the base 100 is assembled with a stable assembly 700 for clamping the metal bar, and the inside of the stable seat 200 is assembled with an auxiliary stable assembly 800 for adsorbing the metal bar.
[0033] In use, the metal bar is placed in the placing bin 500 through the stabilizing seat 200, the servo motor 300 is started, the power rod 400 connected with the servo motor 300 is driven to rotate, the placing bin 500 fixedly connected with the power rod 400 is driven to rotate, the metal bar in the placing bin 500 is driven to rotate, the chain wheel one 601 fixedly connected with the power rod 400 is driven to rotate, the chain 602 assembled outside the chain wheel one 601 is matched, the chain wheel two 604 connected with the chain 602 is driven to rotate, the reciprocating screw rod 603 fixedly connected with the chain wheel two 604 is driven to rotate, the sliding block 605 assembled on the reciprocating screw rod 603 is limited by the base 100, the sliding block 605 moves reciprocatingly in the horizontal direction, the fixed rod 606 fixedly connected with the sliding block 605 moves synchronously, the fixed rod 606 drives the arc-shaped plate 607 fixedly connected with the fixed rod 606 to move, the rotating rod 608 connected with the arc-shaped plate 607 rotates and the gear 609 fixedly connected with the rotating rod 608 moves synchronously, the gear 609 is limited by the toothed rod 610, the gear 609 rotates rapidly while moving horizontally, the rotating rod 608 fixedly connected with the gear 609 rotates rapidly, the flaw detection probe body 611 assembled on the bottom side of the rotating rod 608 rotates, the three flaw detection probe bodies 611 successively detect the metal bar at a certain point, and the flaw detection probe body 611 moves reciprocatingly in the horizontal direction and cooperates with the rotating metal bar to detect the metal bar at different positions.
[0034] In the embodiment two, please refer to Figures 1-6 On the basis of the embodiment one, the stabilizing assembly 700 comprises the hydraulic bin one 701 and the hydraulic device 702, the inside of the stabilizing seat 200 is connected with the clamping plate 704 through the spring one 703, the inside of the hydraulic bin one 701 is connected with the movable block 706 through the elastic telescopic rod one 705, and the side surface of the hydraulic bin one 701 is slidingly connected with the arc-shaped rod 707. After the metal bar is placed in the placing bin 500 through the stabilizing seat 200, the metal bar away from the placing bin 500 is clamped by the two clamping plates 704, when the rotating rod 608 rotates rapidly, the hydraulic bin one 701 assembled outside the rotating rod 608 rotates rapidly, the movable block 706 in the hydraulic bin one 701 is stretched under the action of the centrifugal force, the elastic telescopic rod one 705 is stretched, and the movable block 706 slides in the hydraulic bin one 701, so that the pressure in the hydraulic bin one 701 increases, and the arc-shaped rod 707 slidingly connected with the hydraulic bin one 701 moves.
[0035] One end of the hydraulic device 702 is slidably connected with a force rod 708, the force rod 708 is located at the side of the arc-shaped rod 707 and is in contact with the arc-shaped rod 707, the other end of the hydraulic device 702 is slidably connected with a push rod 709, the side of the force rod 708 is equipped with a spring two 710, the side of the clamping plate 704 is connected with a force plate 712 through the setting of the elastic telescopic rod two 711, the force plate 712 is located at the side of the push rod 709 and is in contact with the push rod 709. When the arc-shaped rod 707 is stretched while rotating, the force rod 708 can be squeezed and moved to the side, cooperating with the hydraulic device 702 slidably connected with the force rod 708, so that the pressure in the hydraulic device 702 increases, the push rod 709 slidably connected with the hydraulic device 702 is moved, the push rod 709 is squeezed to the force plate 712, so that the force plate 712 applies an additional force to the clamping plate 704 through the elastic telescopic rod two 711. The stability of the metal bar being detected is improved.
[0036] After the detection is completed, the rotating rod 608 stops rotating, at this time the restriction of the centrifugal force on the movable block 706 is cancelled, the movable block 706 is reset under the action of the elastic telescopic rod one 705, so that the arc-shaped rod 707 is reset, the arc-shaped rod 707 cancels the restriction of the force rod 708, the force rod 708 can be reset under the action of the spring two 710, so that the stable assembly 700 is reset. In order to facilitate the next use of the assembly.
[0037] In use, on the basis of Embodiment One, the metal bar is placed in the placing bin 500 through the stabilizing seat 200, the metal bar at the end away from the placing bin 500 is clamped by the two clamping plates 704, when the rotating rod 608 rotates rapidly, the hydraulic bin one 701 assembled outside the rotating rod 608 rotates rapidly, the movable block 706 in the hydraulic bin one 701 stretches the elastic telescopic rod one 705 under the action of centrifugal force, and slides in the hydraulic bin one 701, so that the pressure in the hydraulic bin one 701 increases, drives the arc-shaped rod 707 connected with the hydraulic bin one 701 to move, so that the arc-shaped rod 707 extends while rotating, the arc-shaped rod 707 extrudes the stress rod 708 and drives the stress rod 708 to move to the side, cooperates with the hydraulic device 702 connected with the stress rod 708 to slide, so that the pressure in the hydraulic device 702 increases, drives the push rod 709 connected with the hydraulic device 702 to move, the push rod 709 extrudes the stress plate 712, so that the stress plate 712 applies an additional force to the clamping plate 704 through the elastic telescopic rod two 711; after the detection is completed, the rotating rod 608 stops rotating, at this time the centrifugal force cancels the limitation of the movable block 706, the movable block 706 resets under the action of the elastic telescopic rod one 705, so that the arc-shaped rod 707 resets, the arc-shaped rod 707 cancels the limitation of the stress rod 708, and the stress rod 708 can reset under the action of the spring two 710, so that the stabilizing assembly 700 resets.
[0038] Embodiment Three, please refer to Figures 1-8 On the basis of Embodiment One and Embodiment Two, the auxiliary stabilizing assembly 800 includes the suction cup 801 assembled inside the clamping plate 704, the hydraulic bin two 802 is assembled on the side of the hydraulic device 702, and the connecting rod 803 is connected with the hydraulic bin two 802 to slide. When the metal bar is clamped by the two clamping plates 704, the suction cup 801 assembled on the clamping plate 704 performs preliminary adsorption operation on the metal bar, and when the pressure in the hydraulic device 702 increases, the pressure in the hydraulic bin two 802 connected with the hydraulic device 702 increases synchronously, driving the connecting rod 803 connected with the hydraulic bin two 802 to move to the side.
[0039] The side of the suction disc 801 is equipped with a communicating air pressure bin 804, the side of the air pressure bin 804 is slidably connected with a pull rod 805, the pull rod 805 is located at the top of the connecting rod 803 and is in a fixed state with the connecting rod 803. When the connecting rod 803 moves to the side, the connecting rod 803 moves synchronously with the pull rod 805 fixedly connected therewith, and cooperates with the air pressure bin 804 slidably connected with the pull rod 805, so that the residual gas between the suction disc 801 and the metal bar can be extracted into the air pressure bin 804 through the air pressure bin 804. The suction of the suction disc 801 is more stable, and the stability of the device during use is further improved. After the detection is completed, the pressure in the hydraulic device 702 is restored to the initial state when the stabilizing assembly 700 is reset, and in the same way, the gas in the air pressure bin 804 can be injected into the suction disc 801 and the metal bar again, so that the auxiliary stabilizing assembly 800 is reset. In order to facilitate the next use of the assembly.
[0040] In use, on the basis of the first and second embodiments, when the metal bar is clamped by the two clamping plates 704, the suction disc 801 assembled on the clamping plate 704 performs a preliminary suction operation on the metal bar, and when the pressure in the hydraulic device 702 increases, the pressure in the hydraulic bin two 802 communicated with the hydraulic device 702 increases synchronously, driving the connecting rod 803 slidably connected with the hydraulic bin two 802 to move to the side, so that the connecting rod 803 moves synchronously with the pull rod 805 fixedly connected therewith, and cooperates with the air pressure bin 804 slidably connected with the pull rod 805, so that the residual gas between the suction disc 801 and the metal bar can be extracted into the air pressure bin 804 through the air pressure bin 804; After the detection is completed, the pressure in the hydraulic device 702 is restored to the initial state when the stabilizing assembly 700 is reset, and in the same way, the gas in the air pressure bin 804 can be injected into the suction disc 801 and the metal bar again, so that the auxiliary stabilizing assembly 800 is reset.
[0041] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A metal rod automatic flaw detection device, comprising a base, the top of the base is respectively equipped with a stabilizing seat and a servo motor, the side of the servo motor is drivingly connected with a power rod, the side of the power rod is fixedly connected with a placing bin; characterized in that The outer side of the power rod is fixedly connected with a chain wheel one, the outer side of the chain wheel one is equipped with a chain, the top of the base is rotatably connected with a reciprocating screw rod, the side of the reciprocating screw rod is fixedly connected with a chain wheel two, the top of the base is slidably connected with a sliding block, the top of the sliding block is fixedly connected with a fixed rod, the side of the fixed rod is fixedly connected with an arc plate, the inside of the arc plate is rotatably connected with a penetrating rotating rod, the outer side of the rotating rod is fixedly connected with a gear, the top of the stabilizing seat is fixedly connected with a toothed rod, the bottom of the rotating rod is equipped with a flaw detection needle body, the top of the base is equipped with a stabilizing assembly for clamping metal rods, the inside of the stabilizing seat is equipped with an auxiliary stabilizing assembly for adsorbing metal rods; The sliding block is equipped at the outer side of the reciprocating screw rod and is connected with the reciprocating screw rod through threads; The toothed rod is located at the side of the gear and is in meshing state with the gear; The stabilizing assembly comprises a hydraulic bin one and a hydraulic device, the inside of the stabilizing seat is connected with a clamping plate through a spring one, the inside of the hydraulic bin one is connected with a movable block through an elastic expansion rod one, the side of the hydraulic bin one is slidably connected with an arc rod, one end of the hydraulic device is slidably connected with a stress rod, the other end of the hydraulic device is slidably connected with a push rod, the side of the stress rod is equipped with a spring two, the side of the clamping plate is connected with a stress plate through an elastic expansion rod two.
2. The metal rod automatic flaw detection device according to claim 1, characterized in that: The stress rod is located at the side of the arc rod and is in contact with the arc rod.
3. The metal rod automatic flaw detection device according to claim 2, characterized in that: The stress plate is located at the side of the push rod and is in contact with the push rod.
4. The metal rod automatic flaw detection device according to claim 3, characterized in that: The auxiliary stabilizing assembly comprises a suction cup equipped inside the clamping plate, the side of the hydraulic device is equipped with a hydraulic bin two, the side of the hydraulic bin two is slidably connected with a connecting rod, the side of the suction cup is equipped with a communicating air pressure bin, the side of the air pressure bin is slidably connected with a pull rod.
5. The automatic metal rod detection device according to claim 4, characterized in that: The pull rod is located at the top of the connecting rod and is in fixed state with the connecting rod.
Citation Information
Patent Citations
Flaw detection system for metal bar
CN114705823A
Aluminum alloy profile flaw detection device
CN212433058U