CN116930337A - Flaw detection device for metal bar - Google Patents
Flaw detection device for metal bar Download PDFInfo
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- CN116930337A CN116930337A CN202311196504.0A CN202311196504A CN116930337A CN 116930337 A CN116930337 A CN 116930337A CN 202311196504 A CN202311196504 A CN 202311196504A CN 116930337 A CN116930337 A CN 116930337A
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- 239000002184 metal Substances 0.000 title claims abstract description 150
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 150
- 238000001514 detection method Methods 0.000 title claims abstract description 84
- 238000003825 pressing Methods 0.000 claims abstract description 109
- 239000000463 material Substances 0.000 claims abstract description 93
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 239000002775 capsule Substances 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The application discloses a flaw detection device for metal bars, and relates to the technical field of detection devices, wherein the flaw detection device comprises a flaw detection device and a plurality of material bearing devices; the flaw detection device comprises a material bearing groove, a supporting frame and an ultrasonic assembly; the material bearing device comprises an electric telescopic rod, a fixed plate, a movable plate, a pressing plate and a side electromagnet block; a rectangular fixing plate is fixed at one end of the electric telescopic rod, which is close to the supporting frame, and the fixing plate is made of metal iron; the movable plate is a rectangular plate and is made of a magnet; the number of the pressing plates is two, the two pressing plates are respectively positioned at two sides of the movable plate along the width direction, and the pressing plates are hinged with the movable plate; a side electromagnet block is fixed on one side of the two pressing plates, which are opposite to each other, and the side electromagnet block is a direct current electromagnet; the technical problems that the labor intensity is reduced, the production cost is reduced and the detection efficiency is improved can be realized without installing an adaptive material bearing semi-ring on a material bearing device according to the shape and the diameter of a metal rod during flaw detection.
Description
Technical Field
The application relates to the technical field of detection devices, in particular to a flaw detection device for metal bars.
Background
Flaw detection refers to detecting cracks or defects in a metal material, and in the related art, after metal bar casting is completed, flaw detection is generally performed on the metal bar by using flaw detection equipment. Currently, commonly used flaw detection methods include X-ray flaw detection, ultrasonic flaw detection, magnetic powder flaw detection and the like; the different flaw detection methods are different in purpose.
For example, the Chinese patent with the publication number of CN113624843B discloses a full-automatic ultrasonic flaw detection device for bars, which comprises a feeding frame, a supporting frame and a discharging frame which are sequentially arranged along the feeding direction of the bars, wherein one side of the feeding frame is provided with a feeding frame, a continuous feeding mechanism is arranged between the feeding frame and the feeding frame, and a pushing mechanism is arranged on the feeding frame; the support frame is provided with a sliding vehicle, and the sliding vehicle is provided with a flaw detection mechanism; the support frame below is provided with detects the water tank, is provided with the material mechanism in the detection water tank, and the highest plane that the material mechanism goes up and down to set up and the material mechanism can be located same height with the plane that feeding frame and ejection of compact frame are highest.
However, when the device is used for flaw detection, an adaptive material bearing semi-ring is required to be installed according to the shape and the diameter of the metal rod, and the replacement process is time-consuming and labor-consuming.
Disclosure of Invention
The embodiment of the application solves the technical problems that in the prior art, an adaptive material bearing semi-ring is required to be installed on a material bearing mechanism according to the shape and the diameter of a metal rod during flaw detection, and the replacement process is time-consuming and labor-consuming, and the technical problems that in the flaw detection, the adaptive material bearing semi-ring is not required to be installed on the material bearing mechanism according to the shape and the diameter of the metal rod are solved, the labor intensity is reduced, the production cost is reduced and the detection efficiency is improved.
The embodiment of the application provides a flaw detection device for a metal bar, which comprises a flaw detection device and a plurality of material bearing devices;
the flaw detection device comprises a material bearing groove, a supporting frame fixed on the material bearing groove and an ultrasonic assembly connected to the supporting frame in a sliding manner;
the material bearing devices are all positioned in the material bearing groove, and are uniformly distributed along the length direction of the material bearing groove;
the material bearing device comprises an electric telescopic rod, a fixed plate, a movable plate, a pressing plate and a side electromagnet block;
the electric telescopic rod is positioned right below the supporting frame, and one end of the electric telescopic rod, which is far away from the supporting frame, is arranged on the inner wall of the bottom of the material bearing groove;
a rectangular fixing plate is fixed at one end of the electric telescopic rod, which is close to the support frame, and the fixing plate is made of metal iron;
the movable plate is a rectangular plate and is made of a magnet;
the number of the pressing plates is two, the two pressing plates are respectively positioned at two sides of the movable plate along the width direction, and the pressing plates are hinged with the movable plate;
and one side of each pressing plate, which is opposite to the other side of each pressing plate, is fixedly provided with a side electromagnet block, and the side electromagnet blocks are direct current electromagnets.
Further, the whole material bearing groove is a hollow cuboid with an opening at the upper part;
the whole shape of the support frame is , and two arm parts of the support frame are fixed on two sides of the support frame along the length direction;
the support frame is positioned above the opening of the material bearing groove;
the ultrasonic assembly comprises an electric rod and a flaw detection part, the electric rod is connected to the support frame in a sliding manner, and the flaw detection part is arranged at one end of the electric rod far away from the support frame;
the electric rod can drive the flaw detection part to slide along the length direction of the support frame, and stretches towards the direction of the material bearing groove;
the electric telescopic rod stretches towards the direction of the supporting frame;
the maximum extension length value of the electric telescopic rod is equal to the height value of the groove in the material bearing device;
the pressing plate is a rectangular plate, and the length direction of the pressing plate is the same as the length direction of the material bearing groove;
the width of the movable plate is larger than that of the fixed plate;
the one end that the fixed plate kept away from electric telescopic handle is fixed with the stopper, and the limiting groove that corresponds with the stopper has been seted up to the one end that the fly leaf is close to electric telescopic handle.
Further, the material bearing device further comprises a collision component;
an abutting component is fixed on the opposite side of the two pressing plates;
the main body of the abutting component is made of rubber, and the abutting component is of a bag body structure;
keep away from on the clamp plate and be provided with the pumping subassembly, the pumping subassembly is used for carrying out the pumping to the conflict subassembly inside for the conflict subassembly can be towards the expansion of metal rod direction.
Further, the whole shape of the abutting component is rectangular in the initial state, the length and the width of the abutting component are the same as the length and the width of the pressing plate respectively, and the length direction of the abutting component is the same as the length direction of the pressing plate, so that the abutting component covers one side of the pressing plate, which is close to the metal rod.
Further, the abutting assembly comprises a plurality of arc-shaped telescopic bodies;
the whole arc-shaped telescopic body is of a bag body structure;
the plurality of arc-shaped telescopic bodies are uniformly distributed along the length direction of the pressing plate, and the heights of the arc-shaped telescopic bodies are the same as the height of the pressing plate;
the inside of the arc-shaped telescopic body expands towards the direction of the metal rod after being inflated, and the shape of the expanded telescopic body is arc-shaped;
the arc-shaped telescopic body inclines towards the discharging direction of the metal rod after being expanded.
Further, the air pumping assembly comprises an air pump I, an air pump II, an air passage I and an air passage II;
the air pump I and the air pump II are both fixed on one side of the pressing plate, which is far away from the arc-shaped telescopic body;
the first air passage and the second air passage are both arranged in the pressing plate;
the first air passage corresponds to the first air pump, and the output end of the first air pump is communicated with the first air passage; the second air passage corresponds to the second air pump, and the output end of the second air pump is communicated with the second air passage;
the arc-shaped telescopic bodies on the pressing plate are ordered along the length direction, wherein the arc-shaped telescopic bodies with single numbers are communicated with the first air passage, and the arc-shaped telescopic bodies with double numbers are communicated with the second air passage;
the serial numbers of the opposite arc-shaped telescopic bodies on the two pressing plates are the same;
the arc-shaped telescopic body is made of rubber.
Further, the first air pump and the second air pump control the arc-shaped telescopic bodies on the pressing plate to stretch and expand in a staggered mode, when the arc-shaped telescopic bodies with single numbers are contracted, the arc-shaped telescopic bodies with double numbers clamp the metal rod, and the arc-shaped telescopic bodies with double numbers are controlled to expand, so that the metal rod is driven to move towards the inclined direction of the arc-shaped telescopic bodies;
when the arc-shaped telescopic bodies with the singular numbers expand to clamp the metal rods, the arc-shaped telescopic bodies with the double numbers shrink, and at the moment, the metal rods are driven by the arc-shaped telescopic bodies with the singular numbers to move towards the inclined directions of the arc-shaped telescopic bodies.
Further, the material bearing device further comprises a connecting belt body, and the connecting belt body is a rectangular belt in an initial state;
the number of the connecting belt bodies is the same as that of the arc-shaped telescopic bodies with the singular numbers on the single pressing plate, and the connecting belt bodies are in one-to-one correspondence with the arc-shaped telescopic bodies with the singular numbers on the single pressing plate;
one end of the connecting belt body is fixed on the arc-shaped telescopic body with the singular number on any pressing plate, and the other end of the connecting belt body is fixed on the arc-shaped telescopic body with the singular number corresponding to the other pressing plate;
the connecting belt body is made of rubber;
the length direction of the connecting belt body is the same as the width direction of the movable plate, and the maximum extension length value of the connecting belt body is equal to the width value of the movable plate;
the connecting belt body is positioned between the metal rod and the movable plate.
Further, the arc-shaped telescopic bodies with the double serial numbers on the pressing plates are controlled to be in a contracted state by controlling the air pump II, the arc-shaped telescopic bodies with the single serial numbers on any pressing plate are retracted from an expanded state to be in a contracted state by controlling the air pump I, and the arc-shaped telescopic bodies with the single serial numbers on the other pressing plate are changed from the contracted state to the expanded state at the same time, and at the moment, the connecting belt body drives the metal rod to rotate under the action of friction force between the connecting belt body and the metal rod;
after the metal rod rotates, the arc-shaped telescopic bodies with the double serial numbers on the pressing plate are controlled by the air pump II to expand and prop against the metal rod, and then the arc-shaped telescopic bodies with the single serial numbers are controlled by the air pump I to reset.
Further, a plurality of air pumps III are fixed on one end of the movable plate far away from the pressing plate, and the air pumps III are the same in number with the connecting belt bodies and correspond to the connecting belt bodies one by one;
the connecting belt body is hollow, the output end of the air pump III is fixedly provided with an air hose, and the air hose penetrates through the movable plate and is fixed at one end, far away from the metal rod, of the corresponding connecting belt body, so that the air pump III pumps air towards the corresponding connecting belt body through the air hose;
when the connecting belt body is in an initial state, the inside of the connecting belt body is in a negative pressure state;
when the connecting belt body drives the metal rod to rotate, the air pump three inflates towards the inside of the connecting belt body to enable the thickness of the connecting belt body to be increased, and friction force between the connecting belt body and the metal rod is increased.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
by providing a flaw detection device for metal bars comprising a plurality of material bearing devices; the flaw detection device comprises a material bearing groove, a supporting frame and an ultrasonic assembly; the material bearing devices are all positioned in the material bearing groove, and are uniformly distributed along the length direction of the material bearing groove; the material bearing device comprises an electric telescopic rod, a fixed plate, a movable plate, a pressing plate and a side electromagnet block; a rectangular fixing plate is fixed at one end of the electric telescopic rod, which is close to the supporting frame, and the fixing plate is made of metal iron; the movable plate is a rectangular plate and is made of a magnet; the number of the pressing plates is two, the two pressing plates are respectively positioned at two sides of the movable plate along the width direction, and the pressing plates are hinged with the movable plate; a side electromagnet block is fixed on one side of the two pressing plates, which are opposite to each other, and the side electromagnet block is a direct current electromagnet; the technical problems that in the prior art, an adaptive material bearing semi-ring is required to be installed on a material bearing mechanism according to the shape and the diameter of a metal rod during flaw detection, time and labor are wasted in a replacement process are effectively solved, and further the technical problems that in flaw detection, the adaptive material bearing semi-ring is not required to be installed on the material bearing device according to the shape and the diameter of the metal rod are solved, the labor intensity is reduced, the production cost is reduced, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a flaw detection device for metal bars according to the present application;
FIG. 2 is a front view of a material receiving device of the flaw detection device for metal bars of the present application;
FIG. 3 is a side view of a material receiving apparatus of the flaw detection apparatus for metal bars of the present application;
FIG. 4 is a schematic view of a metal bar clamped by a pressing plate of the flaw detection device for metal bars of the present application;
FIG. 5 is a schematic view of a platen of the flaw detection device for metal bar of the present application;
FIG. 6 is a side view of an interference assembly of the inspection device of the present application for inspecting metal bars;
FIG. 7 is a schematic view of a metal bar clamped by an interference assembly of the inspection device of the metal bar of the present application;
FIG. 8 is a schematic top view of an interference assembly of the inspection device of the present application;
FIG. 9 is a schematic view of a first gas path position of a flaw detection device for metal bar according to the present application;
FIG. 10 is a schematic view of a second air passage position of the inspection device for metal bar of the present application;
FIG. 11 is a schematic view of the arc-shaped telescopic body of the flaw detection device for metal bars according to the present application;
FIG. 12 is a schematic view showing the movement of a metal rod by an arc-shaped telescopic body of the flaw detection device for metal rods according to the present application;
FIG. 13 is a schematic view of the position of the connecting belt of the flaw detection device for metal bar of the present application;
FIG. 14 is a schematic view showing a connecting belt of the flaw detection device for metal bar of the present application driving a metal bar to rotate;
fig. 15 is a schematic view of the translation of the material receiving device of the flaw detection device for metal bar of the present application.
In the figure:
flaw detection device 100, material receiving groove 110, supporting frame 120 and ultrasonic assembly 130;
the material bearing device 200, an electric telescopic rod 210, a fixed plate 220, a movable plate 230, a pressing plate 240, a side electromagnet block 250, a collision component 260, an arc telescopic body 261, an air pump one 262, an air pump two 263, an air channel one 264, an air channel two 265 and a connecting belt body 270;
a metal rod 300.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings; the preferred embodiments of the present application are illustrated in the drawings, however, the present application may be embodied in many different forms and is not limited to the embodiments described herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that the terms "vertical", "horizontal", "upper", "lower", "left", "right", and the like are used herein for illustrative purposes only and do not represent the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 3, a side view of a material receiving device of the flaw detection device for metal bar of the present application includes a flaw detection device 100 and a plurality of material receiving devices 200; the flaw detection device 100 comprises a material bearing groove 110, a supporting frame 120 and an ultrasonic assembly 130; the plurality of material bearing devices 200 are all positioned in the material bearing groove 110, and the plurality of material bearing devices 200 are uniformly distributed along the length direction of the material bearing groove 110; the material bearing device 200 comprises an electric telescopic rod 210, a fixed plate 220, a movable plate 230, a pressing plate 240 and a side electromagnet block 250; a rectangular fixing plate 220 is fixed at one end of the electric telescopic rod 210 close to the supporting frame 120, and the fixing plate 220 is made of metal iron; the movable plate 230 is a rectangular plate, and the movable plate 230 is made of a magnet; the number of the pressing plates 240 is two, the two pressing plates 240 are respectively positioned at two sides of the movable plate 230 along the width direction, and the pressing plates 240 are hinged with the movable plate 230; a side electromagnet block 250 is fixed on one side of the two pressing plates 240 opposite to each other, and the side electromagnet block 250 is a direct current electromagnet; the technical problems that the matched material bearing semi-rings are not required to be installed on the material bearing device 200 according to the shape and the diameter of the metal rod 300 during flaw detection, the labor intensity is reduced, the production cost is reduced and the detection efficiency is improved are solved.
Example 1
As shown in fig. 1, the flaw detection device for the metal bar comprises a flaw detection device 100, a material bearing device 200, a power assembly and a control unit; the flaw detection device 100 comprises a material bearing groove 110, a supporting frame 120 and an ultrasonic assembly 130; the whole material bearing groove 110 is a hollow cuboid with an opening at the upper part, and the supporting frame 120 is fixed on the material bearing groove 110; the overall shape of the support frame 120 is , and two arm portions of the support frame 120 are fixed at two sides of the support frame 120 along the length direction; the supporting frame 120 is positioned above the opening of the material bearing groove 110; the ultrasonic assembly 130 comprises an electric rod and a flaw detection part, the electric rod is connected to the support frame 120 in a sliding manner, and the flaw detection part is arranged at one end of the electric rod far away from the support frame 120; the electric rod can drive the flaw detection part to slide along the length direction of the support frame 120, and the electric rod stretches towards the direction of the material bearing groove 110; the number of the material bearing devices 200 is plural, the material bearing devices 200 are all positioned in the material bearing groove 110, and the material bearing devices 200 are uniformly distributed along the length direction of the material bearing groove 110; the material receiving groove 110 is filled with water.
Preferably, the material receiving groove 110 is provided with a feeding device and a discharging device (not shown in the drawing) along two sides of the length, the feeding device is used for conveying the metal rod 300 to the material receiving device 200, and the discharging device is used for transferring away the metal rod 300 after flaw detection, which are both in the prior art and are not described herein again.
As shown in fig. 2 and 3, the material bearing device 200 includes an electric telescopic rod 210, a fixed plate 220, a movable plate 230, a pressing plate 240 and a side electromagnet block 250; the electric telescopic rod 210 is positioned under the supporting frame 120, and one end of the electric telescopic rod 210, which is far away from the supporting frame 120, is arranged on the inner wall of the bottom of the material bearing groove 110; the electric telescopic rod 210 stretches towards the supporting frame 120; the maximum extension length value of the electric telescopic rod 210 is equal to the height value of the groove inside the material bearing device 200; a fixing plate 220 is fixed at one end of the electric telescopic rod 210 near the supporting frame 120; the fixing plate 220 is a rectangular plate, and the fixing plate 220 is made of metal iron; the movable plate 230 is a rectangular plate, and the width of the movable plate 230 is greater than the width of the fixed plate 220; the movable plate 230 is made of a magnet; the number of the pressing plates 240 is two, and the two pressing plates 240 are respectively positioned at two sides of the movable plate 230 along the width direction; the pressing plate 240 is hinged with the movable plate 230, and the length direction of the pressing plate 240 is the same as the length direction of the material bearing groove 110; the pressing plate 240 is a rectangular plate; a side electromagnet block 250 is fixed on the opposite side of the two pressing plates 240; the side electromagnet blocks 250 are direct current electromagnets, and magnetic force acts between the side electromagnet blocks 250 and the movable plate 230 after the side electromagnet blocks 250 are electrified.
Preferably, a limiting block is fixed at one end of the fixed plate 220 away from the electric telescopic rod 210, and a limiting groove corresponding to the limiting block is provided at one end of the movable plate 230 close to the electric telescopic rod 210.
As shown in fig. 4, the magnetic force direction of the side electromagnet block 250 is controlled such that the side electromagnet block 250 and the movable plate 230 repel each other, so that the two pressing plates 240 approach each other, thereby causing the two pressing plates 240 to hold the metal bar 300.
The power assembly is used for supplying energy for the operation of the detection platform, and is preferably an alternating current power supply or a battery; the control unit is used for controlling the coordinated operation of all the components of the detection platform, and is preferably a programmable logic controller; all are prior art and are not described in detail herein.
The flaw detection device for the metal bar provided by the embodiment of the application comprises the following steps of:
s1: firstly, a metal rod 300 is sent to the upper part of a movable plate 230 on a material bearing device 200 through a feeding device, so that the metal rod 300 is positioned between pressing plates 240, and the magnetic force of a side electromagnet block 250 and the magnetic force direction are controlled so that the pressing plates 240 hold the metal rod 300;
s2: the electric telescopic rod 210 is then controlled to be shortened so that the metal rod 300 is immersed in water;
s3: starting the ultrasonic assembly 130 and moving along the length direction of the metal rod 300 to perform flaw detection on the metal rod 300;
s4: the metal rod 300 after flaw detection is lifted to the same height as a discharging device under the lifting of the electric telescopic rod 210; starting a discharging device to transfer the metal rod 300 away, and detecting the next metal rod 300;
s4: and closing the device after flaw detection is finished, and cleaning the device.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the movable plate 230 is a direct current electromagnet, and the magnetic force of the movable plate 230 can be freely controlled, so that the movable plate 230 can be easily installed and detached; the side electromagnet blocks 250 are fixed on the pressing plate 240, and the distance between the two pressing plates 240 and the pressure when the pressing plates 240 clamp the metal rods 300 are controlled by controlling the acting force direction and acting force between the movable plate 230 and the side electromagnet blocks 250, so that the metal rods 300 with different thicknesses are further adapted.
Example two
The pressing plate 240 of the above embodiment may be used to clamp the metal rod 300, since the ultrasonic flaw detector may oscillate the aqueous medium, the metal rod 300 may be shifted in position under such oscillation; the material bearing device 200 according to the embodiment of the present application is optimized to a certain extent on the basis of the above embodiment.
As shown in fig. 5, 6 and 7, the material bearing device 200 further includes a collision component 260; an abutting component 260 is fixed on the opposite side of the two pressing plates 240; the main body of the abutting component 260 is made of rubber, and the abutting component 260 is of a capsule structure; the pressing plate 240 is provided with a pumping assembly, and the pumping assembly is used for pumping air inside the abutting assembly 260, so that the abutting assembly 260 can expand towards the metal rod 300.
Preferably, the overall shape of the abutting component 260 in the initial state is rectangular, the length and width of the abutting component 260 are respectively the same as the length and width of the pressing plate 240, and the length direction of the abutting component 260 is the same as the length direction of the pressing plate 240, so that the abutting component 260 covers one side of the pressing plate 240 close to the metal rod 300.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the pressing plate 240 is provided with the abutting component 260, the contact area between the abutting component 260 and the metal rod 300 is larger, and the friction force is larger, so that the probability of the metal rod 300 shifting during flaw detection is smaller, and the metal rod 300 can be suitable for finer metal rods 300; the abutting component 260 is in flexible contact with the metal rod 300, so that damage to the surface of the metal rod 300 when the metal rod 300 is clamped by the pressing plate 240 is reduced; the pressure of the abutting component 260 and the degree of wrapping the metal rod 300 are controlled by controlling the air pressure inside the abutting component 260.
Example III
In the above embodiment, when the metal rod 300 needs to translate in the flaw detection process, the pushing component pushes the metal rod 300 to move, and as the pushing component is a hard component, damage may be caused to the surface of the metal rod 300; the embodiments of the present application optimize the abutment assembly 260 to some extent based on the embodiments described above.
As shown in fig. 8, 9 and 10, the interference assembly 260 includes a plurality of arc-shaped telescopic bodies 261; the whole arc-shaped telescopic body 261 is of a capsule structure; the plurality of arc-shaped telescopic bodies 261 are uniformly distributed along the length direction of the pressing plate 240, and the height of the arc-shaped telescopic bodies 261 is the same as that of the pressing plate 240; the inside of the arc-shaped telescopic body 261 expands towards the direction of the metal rod 300 after being inflated, and the shape after expansion is arc-shaped; the arc-shaped telescopic body 261 inclines towards the discharging direction of the metal rod 300 after being expanded; the pumping assembly comprises a first air pump 262, a second air pump 263, a first air passage 264 and a second air passage 265; the first air pump 262 and the second air pump 263 are both fixed on one side of the pressing plate 240 away from the arc-shaped telescopic body 261; the first air passage 264 and the second air passage 265 are both arranged in the pressing plate 240; the first air passage 264 corresponds to the first air pump 262, and the output end of the first air pump 262 is communicated with the first air passage 264; the second air passage 265 corresponds to the second air pump 263, and the output end of the second air pump 263 is communicated with the second air passage 265; the arc-shaped telescopic bodies 261 on the pressing plate 240 are ordered along the length direction, wherein the arc-shaped telescopic bodies 261 with singular numbers (such as 1, 3 and 5) are communicated with the first air passage 264, and the arc-shaped telescopic bodies 261 with double numbers (such as 2, 4 and 6) are communicated with the second air passage 265; the number of the opposite arc-shaped telescopic bodies 261 on the two pressing plates 240 is the same.
Preferably, the arc-shaped telescopic body 261 is made of rubber.
As shown in fig. 11 and 12, the first air pump 262 and the second air pump 263 control the expansion of the arc-shaped expansion bodies 261 on the pressing plate 240 in a staggered manner, when the single arc-shaped expansion bodies 261 shrink, the double arc-shaped expansion bodies 261 clamp the metal rod 300, and the expansion of the double arc-shaped expansion bodies 261 is controlled, so that the metal rod 300 is driven to move towards the inclined direction of the arc-shaped expansion bodies 261; when the arc-shaped telescopic bodies 261 with the singular number expand to clamp the metal rod 300, the arc-shaped telescopic bodies 261 with the double number shrink, and at the moment, the metal rod 300 moves towards the inclined direction of the arc-shaped telescopic bodies 261 under the driving of the arc-shaped telescopic bodies 261 with the singular number.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
the plurality of arc-shaped telescopic bodies 261 are matched with each other to replace a pushing assembly in the prior art to move the metal rod 300, so that the cost is saved, and the metal rod 300 is prevented from being damaged when the pushing assembly pushes the metal rod 300; the plurality of arc-shaped telescopic bodies 261 are abutted against the metal rod 300, so that the surface of the contact position of the arc-shaped telescopic bodies 261 and the metal rod 300 is rough, the friction force between the metal rod 300 and the arc-shaped telescopic bodies 261 is large, and the metal rod 300 can be driven to translate better; when the metal rod 300 moves, the interference component 260 does not block the movement of the metal rod 300; the arc-shaped telescopic body 261 can be telescopic, and is convenient to clean.
Example IV
When the metal rod 300 moves on the movable plate 230 in the above embodiment, since the movable plate 230 is a hard plate, it may happen that the movable plate 230 scratches the metal rod 300; the embodiment of the application optimizes the material bearing device 200 to a certain extent on the basis of the embodiment.
As shown in fig. 13, the material bearing device 200 further includes a connection belt body 270, where in an initial state, the connection belt body 270 is a rectangular belt; the number of the connecting belt bodies 270 is the same as that of the single number arc-shaped telescopic bodies 261 on the single pressing plate 240 and the single number arc-shaped telescopic bodies correspond to each other one by one; one end of the connecting belt 270 is fixed on the arc-shaped telescopic body 261 with the singular number on any one of the pressing plates 240, and the other end is fixed on the arc-shaped telescopic body 261 with the singular number corresponding to the other pressing plate 240 (for example, two ends of the connecting belt 270 are respectively and fixedly connected with the arc-shaped telescopic bodies 261 with the serial number 1 on the two pressing plates 240); the connecting belt 270 is made of rubber; the length direction of the connecting band 270 is the same as the width direction of the movable plate 230, and the maximum extension length value of the connecting band 270 is equal to the width value of the movable plate 230; the connection band 270 is located between the metal bar 300 and the movable plate 230.
As shown in fig. 14 and 15, the two air pumps 263 are controlled to control the arc-shaped telescopic bodies 261 with the double serial numbers on the pressing plates 240 to be in a contracted state, the first air pump 262 is controlled to enable the arc-shaped telescopic body 261 with the single serial number on any one pressing plate 240 to be retracted from an expanded state to be in a contracted state, and the arc-shaped telescopic body 261 with the single serial number on the other pressing plate 240 is changed from the contracted state to an expanded state, so that the connecting belt 270 drives the metal rod 300 to rotate under the action of friction force between the connecting belt 270 and the metal rod 300; after the metal rod 300 rotates, the air pump II 263 controls the arc-shaped telescopic bodies 261 with double serial numbers on the pressing plate 240 to expand and prop against the metal rod 300, and then the air pump I262 controls the arc-shaped telescopic bodies 261 with single serial numbers to reset.
Further, a plurality of air pumps three (not shown) are fixed on the end of the movable plate 230 far away from the pressing plate 240, and the air pumps three are the same as the connecting belt 270 in number and are in one-to-one correspondence with the connecting belt 270; the connecting belt body 270 is hollow, the output end of the air pump three is fixed with an air hose, and the air hose passes through the movable plate 230 to be fixed at one end of the corresponding connecting belt body 270 far away from the metal rod 300, so that the air pump three pumps air towards the corresponding connecting belt body 270 through the air hose; when the connecting belt 270 is in an initial state (the metal rod 300 is not required to be driven to rotate), the air pump three pumps air towards the inside of the connecting belt 270 to enable the inside of the connecting belt 270 to be in a negative pressure state, at the moment, the inner walls of the connecting belt 270 are attached together under the action of negative pressure, the thickness of the connecting belt 270 is smaller, and the friction force between the connecting belt 270 and the metal rod 300 is smaller; when the connecting belt 270 drives the metal rod 300 to rotate, the air pump three inflates towards the inside of the connecting belt 270, so that the thickness of the connecting belt 270 is increased, and the friction between the connecting belt 270 and the metal rod 300 is increased.
The technical scheme provided by the embodiment of the application at least has the following technical effects or advantages:
by arranging the connecting belt body 270, the metal rod 300 is pressed on the connecting belt body 270, so that the possibility that the movable plate 230 scratches the metal rod 300 when the movable plate 230 and the metal rod 300 relatively displace is reduced; through the mutual matching of the arc-shaped telescopic body 261 and the connecting belt body 270, the connecting belt body 270 can drive the metal rod 300 to rotate, and the rotation direction is controllable, so that the metal rod 300 is more comprehensive in flaw detection; the material bearing device 200 can translate along the length direction of the metal rod 300, and when the connecting belt 270 drives the metal rod 300 to rotate, the metal rod 300 can be wiped, so that the flaw detection of the metal rod 300 is more accurate.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The flaw detection device for the metal bar comprises a flaw detection device (100) and a plurality of material bearing devices (200);
the flaw detection device (100) comprises a material bearing groove (110), a supporting frame (120) fixed on the material bearing groove (110) and an ultrasonic assembly (130) connected to the supporting frame (120) in a sliding manner;
the material bearing device is characterized in that a plurality of material bearing devices (200) are all positioned in the material bearing groove (110), and the plurality of material bearing devices (200) are uniformly distributed along the length direction of the material bearing groove (110);
the material bearing device (200) comprises an electric telescopic rod (210), a fixed plate (220), a movable plate (230), a pressing plate (240) and a side electromagnet block (250);
the electric telescopic rod (210) is positioned under the supporting frame (120), and one end of the electric telescopic rod (210) far away from the supporting frame (120) is arranged on the inner wall of the bottom of the material bearing groove (110);
a rectangular fixing plate (220) is fixed at one end of the electric telescopic rod (210) close to the supporting frame (120), and the fixing plate (220) is made of metal iron;
the movable plate (230) is a rectangular plate, and the movable plate (230) is made of a magnet;
the number of the pressing plates (240) is two, the two pressing plates (240) are respectively positioned at two sides of the movable plate (230) along the width direction, and the pressing plates (240) are hinged with the movable plate (230);
the two pressing plates (240) are fixed with side electromagnet blocks (250) on one sides opposite to each other, and the side electromagnet blocks (250) are direct-current electromagnets.
2. The flaw detection device for metal bar according to claim 1, wherein the whole of the stock chest (110) is a hollow cuboid with an upper opening;
the whole shape of the support frame (120) is , and two arm parts of the support frame (120) are fixed on two sides of the support frame (120) along the length direction;
the supporting frame (120) is positioned above the opening of the material bearing groove (110);
the ultrasonic assembly (130) comprises an electric rod and a flaw detection part, the electric rod is connected to the support frame (120) in a sliding manner, and the flaw detection part is arranged at one end of the electric rod far away from the support frame (120);
the electric rod can drive the flaw detection part to slide along the length direction of the support frame (120), and stretches towards the direction of the material bearing groove (110);
the electric telescopic rod (210) stretches towards the supporting frame (120);
the maximum extension length value of the electric telescopic rod (210) is equal to the height value of the inner groove of the material bearing device (200);
the pressing plate (240) is a rectangular plate, and the length direction of the pressing plate (240) is the same as the length direction of the material bearing groove (110);
the width of the movable plate (230) is larger than that of the fixed plate (220);
a limiting block is fixed at one end, far away from the electric telescopic rod (210), of the fixed plate (220), and a limiting groove corresponding to the limiting block is formed at one end, close to the electric telescopic rod (210), of the movable plate (230).
3. The inspection and detection device for metal bars according to claim 2, characterized in that the material-bearing device (200) further comprises an interference assembly (260);
an abutting component (260) is fixed on the opposite side of the two pressing plates (240);
the main body of the abutting component (260) is made of rubber, and the abutting component (260) is of a capsule structure;
keep away from on clamp plate (240) and be provided with the pumping subassembly, pumping subassembly is used for carrying out the pumping to the conflict subassembly (260) inside for conflict subassembly (260) can be towards metal bar (300) direction inflation.
4. A metal bar flaw detection device according to claim 3, wherein the whole shape of the abutting component (260) is rectangular in the initial state, the length and the width of the abutting component (260) are respectively the same as the length and the width of the pressing plate (240), and the length direction of the abutting component (260) is the same as the length direction of the pressing plate (240), so that the abutting component (260) covers one side of the pressing plate (240) close to the metal bar (300).
5. A metal bar flaw detection device according to claim 3, characterized in that said interference assembly (260) comprises a plurality of arc-shaped telescopic bodies (261);
the whole arc-shaped telescopic body (261) is of a capsule structure;
the plurality of arc-shaped telescopic bodies (261) are uniformly distributed along the length direction of the pressing plate (240), and the height of the arc-shaped telescopic bodies (261) is the same as that of the pressing plate (240);
the inside of the arc-shaped telescopic body (261) expands towards the direction of the metal rod (300) after being inflated, and the shape of the expanded metal rod is arc-shaped;
the arc-shaped telescopic body (261) inclines towards the discharging direction of the metal rod (300) after being expanded.
6. The inspection device of claim 5, wherein the pumping assembly comprises a first pump (262), a second pump (263), a first air passage (264), and a second air passage (265);
the first air pump (262) and the second air pump (263) are both fixed on one side of the pressing plate (240) far away from the arc-shaped telescopic body (261);
the first air passage (264) and the second air passage (265) are both arranged in the pressing plate (240);
the first air passage (264) corresponds to the first air pump (262), and the output end of the first air pump (262) is communicated with the first air passage (264); the second air passage (265) corresponds to the second air pump (263), and the output end of the second air pump (263) is communicated with the second air passage (265);
the arc-shaped telescopic bodies (261) on the pressing plate (240) are ordered along the length direction, wherein the arc-shaped telescopic bodies (261) with single number are communicated with the first air passage (264), and the arc-shaped telescopic bodies (261) with double number are communicated with the second air passage (265);
the serial numbers of the opposite arc-shaped telescopic bodies (261) on the two pressing plates (240) are the same;
the arc-shaped telescopic body (261) is made of rubber.
7. The flaw detection device for metal bars according to claim 6, wherein the first air pump (262) and the second air pump (263) control the arc-shaped telescopic bodies (261) on the pressing plate (240) to expand in a staggered manner, when the arc-shaped telescopic bodies (261) with single number are contracted, the metal bars (300) are clamped by the arc-shaped telescopic bodies (261) with double number, and the arc-shaped telescopic bodies (261) with double number are controlled to expand so as to drive the metal bars (300) to move towards the inclined direction of the arc-shaped telescopic bodies (261);
when the arc-shaped telescopic bodies (261) with the singular number expand to clamp the metal rod (300), the arc-shaped telescopic bodies (261) with the double number shrink, and at the moment, the metal rod (300) moves towards the inclined direction of the arc-shaped telescopic bodies (261) under the drive of the arc-shaped telescopic bodies (261) with the singular number.
8. The inspection apparatus for metal bar according to claim 6, wherein said material receiving means (200) further comprises a connecting band body (270), said connecting band body (270) being a rectangular band in an initial state;
the number of the connecting belt bodies (270) is the same as that of the single-number arc-shaped telescopic bodies (261) on the single pressing plate (240) and the single-number arc-shaped telescopic bodies are in one-to-one correspondence with each other;
one end of the connecting belt body (270) is fixed on an arc-shaped telescopic body (261) with a singular number on any one pressing plate (240), and the other end of the connecting belt body is fixed on a corresponding arc-shaped telescopic body (261) with a singular number on the other pressing plate (240);
the connecting belt body (270) is made of rubber;
the length direction of the connecting belt body (270) is the same as the width direction of the movable plate (230), and the maximum extension length value of the connecting belt body (270) is equal to the width value of the movable plate (230);
the connecting band body (270) is positioned between the metal rod (300) and the movable plate (230).
9. The flaw detection device for metal bars according to claim 8, wherein the air pump two (263) is controlled to control the arc-shaped telescopic bodies (261) with double serial numbers on the pressing plates (240) to be in a contracted state, the air pump one (262) is controlled to enable the arc-shaped telescopic body (261) with single serial numbers on any pressing plate (240) to retract from an expanded state to a contracted state, and meanwhile, the arc-shaped telescopic body (261) with single serial numbers on the other pressing plate (240) is changed from the contracted state to the expanded state, and at the moment, the connecting belt body (270) drives the metal bars (300) to rotate under the action of friction force between the connecting belt body (270) and the metal bars (300);
after the metal rod (300) rotates, the arc-shaped telescopic bodies (261) with double serial numbers on the pressing plate (240) are controlled to expand and prop against the metal rod (300) through the air pump II (263), and then the arc-shaped telescopic bodies (261) with single serial numbers are controlled to reset through the air pump I (262).
10. The flaw detection device for metal bars according to claim 9, characterized in that a plurality of air pumps three are fixed on one end of the movable plate (230) far away from the pressing plate (240), and the air pumps three are the same in number with the connecting belt bodies (270) and are in one-to-one correspondence with the connecting belt bodies;
the connecting belt body (270) is hollow, the air hose is fixed at the three output ends of the air pump, and the air hose penetrates through the movable plate (230) to be fixed at one end, far away from the metal rod (300), of the corresponding connecting belt body (270), so that the air pump III pumps air towards the inner part of the corresponding connecting belt body (270) through the air hose;
when the connecting belt body (270) is in an initial state, the inside of the connecting belt body (270) is in a negative pressure state;
when the connecting belt body (270) drives the metal rod (300) to rotate, the air pump III inflates towards the inside of the connecting belt body (270) so that the thickness of the connecting belt body (270) is increased, and the friction force between the connecting belt body (270) and the metal rod (300) is increased.
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| CN202311196504.0A CN116930337B (en) | 2023-09-18 | 2023-09-18 | Flaw detection device for metal bar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311196504.0A CN116930337B (en) | 2023-09-18 | 2023-09-18 | Flaw detection device for metal bar |
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Cited By (1)
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| CN116930337B (en) | 2023-12-12 |
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