CN113484409A - Magnetic powder flaw detection device for steel products - Google Patents
Magnetic powder flaw detection device for steel products Download PDFInfo
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- CN113484409A CN113484409A CN202110702004.4A CN202110702004A CN113484409A CN 113484409 A CN113484409 A CN 113484409A CN 202110702004 A CN202110702004 A CN 202110702004A CN 113484409 A CN113484409 A CN 113484409A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 238000007689 inspection Methods 0.000 claims abstract description 28
- 230000000007 visual effect Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000006249 magnetic particle Substances 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 18
- 230000007547 defect Effects 0.000 description 7
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000011179 visual inspection 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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/84—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields by applying magnetic powder or magnetic ink
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Specific Conveyance Elements (AREA)
Abstract
The invention discloses a magnetic powder inspection device for steel products, which comprises a rack, wherein a supporting device for horizontally supporting the front side or the back side of a workpiece is arranged on the rack, a clamping and overturning device for clamping the workpiece onto the supporting device and clamping the workpiece to overturn after preset time is slidably arranged outside the supporting device on the rack, and a visual detection device for distinguishing whether the workpiece is qualified or unqualified after magnetic powder inspection is carried out on the surface of the workpiece before and after the clamping and overturning device overturns the workpiece is arranged on the rack; the invention has simple and compact structure, the mutual cooperation of all the devices ensures high automation degree of the whole process, effectively improves the detection efficiency and effectively solves the problems of low speed and fussy detection in the manual detection.
Description
Technical Field
The invention relates to the technical field of magnetic particle inspection, in particular to a magnetic particle inspection device for steel products.
Background
The magnetic powder flaw detection method is characterized by that it utilizes the interaction of leakage magnetic field and magnetic powder of workpiece defect position, and utilizes the difference of magnetic permeability of surface and near-surface defect of iron and steel product (crack, slag inclusion and striation, etc.) and magnetic permeability of body to be detected, and places the workpiece (iron and steel product) in strong magnetic field or makes it be magnetized by applying large current, and after the magnetization the magnetic field of discontinuous position of these materials can produce Kazaki deformation to form partial magnetic flux leakage position of workpiece surface and produce leakage magnetic field, and when the magnetic powder with good magnetic permeability (generally magnetic iron oxide powder) is applied on the body, the leakage magnetic field near the defect can suck magnetic powder, and pile and form visible magnetic powder mark, under the proper lighting condition, the defect position and shape can be shown, and the pile of these magnetic powders can be observed and explained so as to implement magnetic powder flaw detection.
At present, the defects of magnetic powder accumulation are mainly detected through visual observation of a detector, so that the detector is required to have higher technology and rich experience, the range of one-time performance detection is small when the workpiece is manually detected, and the detection of one workpiece needs to be carried out for multiple times, so that the detection speed is slow.
Therefore, in order to improve the detection efficiency during magnetic powder inspection, the detection of the defects of the workpiece can be completed more quickly and better, and a more appropriate machine is needed.
Disclosure of Invention
Therefore, in view of the above problems, the present invention provides a magnetic powder inspection apparatus that can be used to increase the inspection speed of ferrous products.
In order to achieve the purpose, the technical scheme of the invention is to provide a magnetic powder inspection device for steel products, which comprises a rack, wherein a supporting device used for horizontally supporting the front side or the back side of a workpiece is arranged on the rack, a clamping and overturning device used for clamping the workpiece onto the supporting device and clamping the workpiece to overturn after preset time is slidably arranged outside the supporting device on the rack, and a visual detection device used for distinguishing whether the workpiece is qualified or unqualified after magnetic powder inspection is carried out on the surface of the workpiece before and after the clamping and overturning device overturns the workpiece.
The further improvement is that: the supporting device comprises a supporting platform arranged on the rack, a first supporting assembly arranged on the supporting platform and used for supporting the front surface or the back surface of the front end of the workpiece, and a second supporting assembly arranged on the supporting platform and used for supporting the front surface or the back surface of the back end of the workpiece.
The further improvement is that: the first supporting assembly comprises at least two first supporting rods which penetrate through the supporting platform and are used for being lifted to a preset height to abut against the front surface or the back surface of the front end of the workpiece, and a first supporting cylinder which is arranged on the supporting platform and is used for driving the first supporting rods to be lifted to the preset height.
The further improvement is that: the second supporting assembly comprises at least two second supporting rods which penetrate through the supporting platform and are used for being lifted to a preset height to abut against the front face of the rear end or the back face of the rear end of the workpiece, and a second supporting cylinder which is arranged on the supporting platform and is used for driving the second supporting rods to be lifted to the preset height.
The further improvement is that: the supporting platform is characterized in that the upper end face of the supporting platform is provided with a guide plate used for stabilizing the supporting direction of the first supporting assembly and the second supporting assembly, and the first supporting rod and the second supporting rod penetrate through the guide plate.
The further improvement is that: the clamping and overturning device comprises clamping devices which are slidably and symmetrically arranged on the rack and are positioned on two sides of the supporting device and used for clamping a workpiece to the supporting device and loosening the workpiece, and overturning devices which are arranged on the clamping devices and used for driving the clamping devices to overturn after the clamping devices clamp the workpiece again after preset time.
The further improvement is that: clamping device includes that slidable locates clamping bracket in the frame, slidable locate be used for laminating the work piece side on the clamping bracket and carry out the clamping jaw, locate be used for the drive on the clamping bracket the clamping jaw is in gliding telescopic cylinder on the clamping bracket, the clamping jaw keep away from the work piece that end with telescopic cylinder output rotatable coupling.
The further improvement is that: the turnover device comprises a turnover motor arranged on the clamping frame and a toothed belt transmission device arranged between the end of the clamping jaw far away from the workpiece and the turnover motor.
The further improvement is that: and an avoiding wheel for enabling the toothed belt transmission device to change the direction to avoid other parts is rotatably arranged on the clamping frame.
The further improvement is that: and an output device which is used for clamping qualified or unqualified workpieces to a preset position and outputting the workpieces after the workpieces are detected by the visual detection device is arranged at the rear end of the clamping and overturning device on the rack.
The further improvement is that: the output device comprises an output clamping device which is slidably arranged on the rack and positioned on two sides of the supporting device and used for clamping qualified or unqualified workpieces to a preset position and loosening the workpieces, a qualified output channel which is arranged on the rack and used for carrying and outputting the qualified workpieces when the output clamping device loosens the qualified workpieces, an unqualified output channel which is arranged on the rack and positioned below the qualified output channel and used for carrying and outputting the unqualified workpieces when the output clamping device loosens the unqualified workpieces, and an avoiding device which is arranged between the qualified output channel and the rack and used for driving the qualified output channel to avoid and open the unqualified output channel when the output clamping device loosens the unqualified workpieces.
The further improvement is that: output clamping device includes that the slidable locates output clamping frame in the frame, slidable locate be used for laminating the work piece side on the output clamping frame and carry out the output clamping jaw of centre gripping, locate be used for the drive on the output clamping frame the output clamping jaw is in gliding output telescopic cylinder on the output clamping frame.
The further improvement is that: the avoidance device comprises a linear slide rail arranged between the rack and the qualified output channel and a driving motor arranged on the rack and used for driving the qualified output channel to slide on the linear slide rail.
The further improvement is that: the rack is provided with a mounting plate in a sliding manner, and the clamping and overturning device and the output clamping device are arranged on the mounting plate.
The further improvement is that: visual detection device is including locating detection frame in the frame, locate on the detection frame hold up the device top and be used for carrying out the CCD camera group of shooing to the workpiece surface around centre gripping turning device upset work piece, locate lie in on the detection frame CCD camera group week side is used for shining the light source that shines of work piece, locate and be used for accepting in the frame the photo that CCD camera group shot carries out qualified or unqualified analysis processes's computer, locates be used for sheltering from outside light on the detection frame and improve the shading canopy of CCD camera group shooting effect.
The further improvement is that: and a feeding device for stably conveying the workpiece to a preset position is arranged at the input end of the supporting device on the rack.
The further improvement is that: the feeding device comprises a fixed seat arranged on the rack, sliding rod groups respectively arranged on two sides of the fixed seat, and two conveying assemblies respectively arranged on the sliding rod groups in a sliding manner.
The further improvement is that: each conveying assembly comprises a conveying sliding seat arranged on the movable rod group in a sliding mode, a conveying support arranged on the conveying sliding seat, a conveying driving wheel arranged on the conveying support in a rotating mode, two conveying driven wheels respectively arranged on two sides of the conveying driving wheel in a rotating mode, a feeding conveying belt wound on the conveying driving wheel and the two conveying driven wheels, a conveying driving motor arranged on the conveying support and used for driving the conveying driving wheel to rotate, and a positioning block arranged on the rack and located at the output end of the conveying assembly and used for positioning the position of a workpiece.
The further improvement is that: and a distance adjusting device for driving the conveying sliding seat to slide on the sliding rod group is arranged between the rack and the conveying sliding seat.
The magnetic powder inspection device for the steel product has the following beneficial effects:
1. the supporting device, the clamping and overturning device and the visual detection device are arranged to be matched with each other to carry out magnetic particle inspection on the workpiece to detect the defect point on the workpiece.
2. According to the invention, by arranging the supporting device, the first supporting component and the second supporting component are respectively arranged to abut against the front end of the workpiece and the rear end of the workpiece when being respectively lifted to the first preset height and the second preset height, so that the front side or the back side of the workpiece can be horizontally supported by the supporting device when being upwards, the workpiece is not easy to slide off when being detected by the visual detection device, and the detection result is more accurate.
3. According to the invention, the detection platform is used as a background plate when the visual detection device detects the workpiece, so that the shape of the workpiece is highlighted, the workpiece is more prominent on the detection platform, the workpiece picture is better shot during detection, and the detection effect is further improved.
4. According to the invention, the guide plate is arranged for stabilizing the lifting directions of the first lifting assembly and the second lifting assembly, so that the positions of the first lifting rod and the second lifting rod in the first lifting assembly and the second lifting assembly can not deviate when being lifted, and the stability of the lifting device in operation is improved.
5. According to the invention, the CCD camera set in the visual detection device realizes the shooting function of the workpiece in all directions around the workpiece during placement, and the workpiece is turned over by combining the clamping and turning device, so that the shooting function of the whole full coverage of the workpiece is realized, and the accuracy of the detection result is further improved.
6. According to the invention, the clamping and overturning device is arranged, the clamping device can clamp the workpiece to be detected to the detection position for detection, and the overturning device is used for overturning the clamped workpiece for detection again, so that the detection efficiency of the workpiece is improved, the structure is simple and compact, and the integral automation degree is high.
7. According to the invention, the avoiding wheel is arranged on the clamping frame, and the direction of the toothed belt transmission device is changed through the avoiding wheel to avoid other parts, so that the safety of the device in operation is ensured, and the safety of the device is greatly improved.
8. According to the invention, the output device is arranged, the workpiece avoiding device is matched with the qualified output channel which is slidably arranged on the rack, and the unqualified output channel which is arranged on the rack and is positioned below the qualified output channel is used for outputting the workpieces in a distinguishing manner, so that the sorting efficiency after detection is improved, a plurality of parts can be arranged more compactly, the manufacturing cost is reduced, the occupied space of the device is greatly reduced, and the production cost is further reduced.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the present invention;
FIG. 2 is a schematic view of a partial apparatus according to the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of a partial structure of the feeding device of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1, a magnetic powder flaw detection device for steel products includes a frame 1, a supporting device 2 for horizontally supporting the front or back of a workpiece is arranged on the frame 1, the supporting device 2 includes a supporting platform 21 arranged on the frame 1, a first supporting assembly arranged on the supporting platform 21 for supporting the front or back of the front end of the workpiece, a second supporting assembly arranged on the supporting platform 21 for supporting the front or back of the back end of the workpiece, the first supporting assembly 22 includes at least two first supporting rods 22 penetrating through the supporting platform 21 for lifting to a predetermined height to support the front or back of the front end of the workpiece, and a first supporting cylinder (not shown in the figure) arranged on the supporting platform 21 for driving the first supporting rods 22 to lift to a predetermined height; the second supporting assembly comprises at least two second supporting rods 23 which penetrate through the supporting platform 21 and are used for lifting to a preset height to abut against the front surface of the rear end or the back surface of the rear end of a workpiece, and a second supporting cylinder which is arranged on the supporting platform and is used for driving the second supporting rods to lift to the preset height, a guide plate used for stabilizing the supporting directions of the first supporting assembly and the second supporting assembly is arranged on the upper end surface of the supporting platform 21, and the first supporting rods 22 and the second supporting rods 23 penetrate through the guide plate 24;
referring to fig. 1 and 2, a clamping and turning device for clamping a workpiece to the supporting device and clamping the workpiece to turn over after a predetermined time is slidably disposed outside the supporting device 2 on the frame 1, and the clamping and turning device includes clamping devices slidably and symmetrically disposed on the frame 1 at two sides of the supporting device 2 for clamping the workpiece to the supporting device 2 and releasing the workpiece, and turning devices disposed on the clamping devices for driving the clamping devices to turn over after the clamping devices clamp the workpiece again after a predetermined time;
the clamping device comprises a clamping frame 31 which is slidably arranged on the rack 1, a clamping jaw 32 which is slidably arranged on the clamping frame 31 and used for being attached to the side surface of a workpiece to clamp the workpiece, and a telescopic cylinder 33 which is arranged on the clamping frame 31 and used for driving the clamping jaw 32 to slide on the clamping frame 31, wherein the end, far away from the workpiece, of the clamping jaw 32 is rotatably connected with the output end of the telescopic cylinder 33, the overturning device comprises an overturning motor 34 which is arranged on the clamping frame 31, and a toothed belt transmission device which is arranged between the end, far away from the workpiece, of the clamping jaw 32 and the overturning motor 34, and an avoiding wheel 35 which is used for enabling the toothed belt transmission device to change the direction to avoid other components is rotatably arranged on the clamping frame 31;
in the embodiment of the invention, in order to facilitate the clamping and overturning device to perform integral linear movement on the machine frame 1, a mounting plate 11 is slidably arranged on the frame 1, the mounting plate 11 can move linearly on the frame 1 through a linear guide rail sliding table (not shown in the figure), in order to ensure that the clamping devices on the two sides of the supporting device 2 can be turned synchronously, the same turning motor 34 is adopted to drive the clamping devices on the two sides to turn through a toothed belt transmission device, the toothed belt transmission device comprises a rotating connecting rod 12 which is rotatably arranged on the mounting plate 11 through a connecting rod mounting frame 16, a transmission wheel 13 which is arranged on the rotating connecting rod 12 and connected with the output end of the overturning motor 34 through a transmission belt (not shown in the figure), output wheels 14 which are arranged at two ends of the rotating connecting rod 12, and a driven wheel 15 which is arranged at the end of the clamping jaw 32 far away from the workpiece, wherein the output wheels 14 are connected with the driven wheel 15 through the transmission belt (not shown in the figure).
Referring to fig. 3, an output device for clamping the qualified or unqualified workpiece to a predetermined position and outputting the workpiece after the workpiece is detected by the visual detection device is arranged at the rear end of the clamping and overturning device on the frame 1, the output device comprises an output clamping device which is slidably arranged on the frame 1 and positioned at two sides of the lifting device 2 and used for clamping the qualified or unqualified workpiece to the predetermined position and releasing the workpiece by the visual detection device, a qualified output channel 51 which is arranged on the frame 1 and used for receiving the qualified workpiece and outputting the qualified workpiece when the qualified workpiece is released by the output clamping device, an unqualified output channel 52 which is arranged on the frame 1 and positioned below the qualified output channel 51 and used for receiving the unqualified workpiece and outputting the unqualified workpiece when the unqualified workpiece is released by the output clamping device, and an unqualified output channel 52 which is arranged between the qualified output channel 51 and the frame 1 and used for driving the qualified output channel when the unqualified workpiece is released by the output clamping device 51, the unqualified output channel 52 is avoided, and the avoiding device comprises a linear slide rail 55 arranged between the rack 1 and the qualified output channel 51, and a driving motor (not shown in the figure) arranged on the rack 1 and used for driving the qualified output channel 51 to slide on the linear slide rail 55; the output clamping device comprises an output clamping frame 41 which is slidably arranged on the rack 1, an output clamping jaw 42 which is slidably arranged on the output clamping frame 41 and used for being attached to the side surface of a workpiece to clamp the workpiece, and an output telescopic cylinder 43 which is arranged on the output clamping frame 41 and used for driving the output clamping jaw 42 to slide on the output clamping frame 41; a qualified workpiece hopper 53 and a defective workpiece hopper 54 for accommodating the outputted qualified workpieces and defective workpieces are provided at the output ends of the qualified output channel 51 and the defective output channel 52, respectively.
In the embodiment of the invention, the output clamping device and the clamping device are both arranged at two sides of the supporting device 2, so that in order to facilitate the realization that when the output clamping device clamps workpieces at two sides of the supporting device 2 for output, the clamping device can leave two sides of the supporting device 2, the mounting plate 11 is slidably arranged on the rack 1, and the clamping turnover device and the output clamping device are both arranged on the mounting plate 11;
referring to fig. 3, the machine frame 1 is provided with a visual inspection device for distinguishing whether the workpiece is qualified or unqualified after magnetic powder inspection is performed on the surface of the workpiece before and after the workpiece is turned by the clamping and turning device, 14 the vision inspection device includes an inspection frame 61 disposed on the frame 1, a CCD camera set 62 disposed on the inspection frame 61 and above the supporting device 2 for taking pictures of the surface of the workpiece before and after the workpiece is turned by the clamping and turning device, an irradiation light source (not shown in the figure) disposed on the inspection frame 61 and around the CCD camera set 62 for irradiating the workpiece, a computer (not shown in the figure) disposed on the frame for receiving the pictures taken by the CCD camera set and performing pass or fail analysis, and a shading shed (not shown in the figure) disposed on the inspection frame 61 for shading external light to improve the shooting effect of the CCD camera set 62; in the embodiment of the present invention, the CCD camera set 62 is composed of four CCD cameras, and the four CCD cameras are used to realize the shooting function of the workpiece in all directions around the workpiece when the workpiece is placed, and the clamping and turning device is used to turn over the workpiece, so as to realize the shooting function of the whole workpiece covering.
Referring to fig. 1 and 4, a feeding device for smoothly conveying a workpiece to a predetermined position is disposed at an input end of the supporting device 2 on the frame 1, the feeding device includes a fixed seat 71 disposed on the frame 1, sliding rod groups 72 respectively disposed at two sides of the fixed seat 71, two conveying assemblies respectively slidably disposed on the sliding rod groups 72, each sliding rod group 72 includes at least two sliding rods, each conveying assembly includes a conveying sliding seat 73 slidably disposed on the moving rod group 72, a conveying bracket 74 disposed on the conveying sliding seat 73, a conveying driving wheel 75 rotatably disposed on the conveying bracket 74, two conveying driven wheels 76 respectively rotatably disposed at two sides of the conveying driving wheel 75, a feeding belt 77 wound on the conveying driving wheel 75 and the two conveying driven wheels 76, and a conveying driving motor 78, a feeding belt, a conveying driving motor, a conveying driving a driving motor 75, a conveying driving motor, a driving motor, and a driving motor to drive the driving wheel 75 to rotate, and driving the driving wheel 75 to rotate, A positioning block 79 arranged on the frame and positioned at the output end of the conveying assembly for positioning the workpiece; the distance adjusting device is arranged between the rack and the conveying sliding seat 73 and used for driving the conveying sliding seat 73 to slide on the sliding rod group 72, the conveying sliding seat 73 can be adjusted through the distance adjusting device to be positioned on the sliding rod group 72, the function of adjusting the whole distance of the feeding device is achieved, the feeding device can adapt to workpieces of different specifications and sizes to be conveyed, the distance adjusting device can be achieved through worm and gear transmission or a telescopic cylinder, and the distance adjusting device is the same as the distance adjusting device in the prior art and is not repeated.
The invention also comprises a PLC control system, wherein the supporting device 2, the clamping and overturning device, the visual detection device, the feeding device and the output device are all electrically connected with the PLC control system.
The working principle is as follows:
the workpiece to be detected is conveyed to a preset position through a feeding device in the same face orientation, then a clamping and overturning device moves forwards on a rack 1 to a positioning block 79 through a mounting plate 11 to reach the preset position, wherein a telescopic cylinder 33 in the clamping device drives a clamping jaw 32 on a clamping frame 31 to synchronously clamp the side face of the workpiece in the forward extending manner, the clamping and overturning device clamps the workpiece and then runs over a supporting device 2, the first supporting component 22 and the second supporting component 23 respectively abut against the front end and the rear end of the workpiece when being lifted to a first preset height, at the moment, a CCD camera set 62 in the visual detection device shoots a picture of the upward face of the workpiece and transmits the picture to a computer, then the clamping device 2 clamps the workpiece again, the supporting device 2 retracts to prevent the workpiece from colliding with the workpiece when being overturned to cause damage, and then an overturning motor 34 in the overturning device drives the clamping jaw 32 for clamping the workpiece to rotate 180 degrees through a toothed belt transmission device, turning over the workpiece, raising the supporting device 2 again, taking pictures of the turned-over workpiece after the first supporting component 22 and the second supporting component 23 are raised to a second preset height, respectively abutting against the front end and the rear end of the workpiece, the CCD camera unit 62 finishes the pictures of the turned-over workpiece, the turnover motor 34 drives the clamping jaws 32 to rotate reversely by 180 degrees to reset, the mounting plate 11 moves forwards again to bring the clamping and turning device to a preset position for conveying the feeding device, the output clamping device on the mounting plate 11 is operated beside the supporting device 2, the output clamping jaws 42 in the output clamping device synchronously clamp two sides of the detected workpiece through the output telescopic air cylinders 43, the clamping and turning device clamps the workpiece to be detected, the mounting plate 11 moves backwards, the output clamping device operates above the output channel, when the detected workpiece is qualified, the output clamping jaws 42 are loosened, and the qualified workpiece falls into the qualified output channel 51 for output, when the detected workpiece is unqualified, the workpiece avoiding device pushes the qualified output channel 51 to slide on the rack 1 to expose the unqualified output channel 52 positioned below the qualified output channel 51, the output clamping jaw 42 is loosened, and the unqualified workpiece falls into the unqualified output channel 52 to be output; then, the clamping and overturning device clamps the workpiece to be detected to run right above the supporting device 2, and the steps are repeated to detect the workpiece.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a ironworks magnetic particle inspection device, includes the frame, its characterized in that: the machine frame is provided with a supporting device for horizontally supporting the front side or the back side of a workpiece, a clamping and overturning device which is arranged outside the supporting device on the machine frame in a sliding manner and is used for clamping the workpiece to the supporting device and clamping the workpiece to overturn after preset time, and the machine frame is provided with a visual detection device which is used for distinguishing whether the workpiece is qualified or unqualified after magnetic powder inspection is carried out on the surface of the workpiece before and after the clamping and overturning device overturns the workpiece.
2. The magnetic powder inspection apparatus for iron and steel products according to claim 1, wherein: the supporting device comprises a supporting platform arranged on the rack, a first supporting assembly arranged on the supporting platform and used for supporting the front surface or the back surface of the front end of the workpiece, and a second supporting assembly arranged on the supporting platform and used for supporting the front surface or the back surface of the back end of the workpiece.
3. The magnetic powder inspection apparatus for iron and steel products according to claim 2, wherein: the first supporting assembly comprises at least two first supporting rods which penetrate through the supporting platform and are used for being lifted to a preset height to abut against the front surface or the back surface of the front end of the workpiece, and a first supporting cylinder which is arranged on the supporting platform and is used for driving the first supporting rods to be lifted to the preset height.
4. The magnetic particle inspection apparatus for steel products according to claim 2 or 3, wherein: the second supporting assembly comprises at least two second supporting rods which penetrate through the supporting platform and are used for being lifted to a preset height to abut against the front face of the rear end or the back face of the rear end of the workpiece, and a second supporting cylinder which is arranged on the supporting platform and is used for driving the second supporting rods to be lifted to the preset height.
5. The magnetic powder inspection apparatus for iron and steel products according to claim 4, wherein: the supporting platform is characterized in that the upper end face of the supporting platform is provided with a guide plate used for stabilizing the supporting direction of the first supporting assembly and the second supporting assembly, and the first supporting rod and the second supporting rod penetrate through the guide plate.
6. The magnetic powder inspection apparatus for iron and steel products according to claim 1, wherein: the clamping and overturning device comprises clamping devices which are slidably and symmetrically arranged on the rack and are positioned on two sides of the supporting device and used for clamping a workpiece to the supporting device and loosening the workpiece, and overturning devices which are arranged on the clamping devices and used for driving the clamping devices to overturn after the clamping devices clamp the workpiece again after preset time.
7. The magnetic powder inspection apparatus for iron and steel products according to claim 6, wherein: clamping device includes that slidable locates clamping bracket in the frame, slidable locate be used for laminating the work piece side on the clamping bracket and carry out the clamping jaw, locate be used for the drive on the clamping bracket the clamping jaw is in gliding telescopic cylinder on the clamping bracket, the clamping jaw keep away from the work piece that end with telescopic cylinder output rotatable coupling.
8. The magnetic powder inspection apparatus for iron and steel products according to claim 7, wherein: the turnover device comprises a turnover motor arranged on the clamping frame and a toothed belt transmission device arranged between the end of the clamping jaw far away from the workpiece and the turnover motor.
9. The magnetic powder inspection apparatus for iron and steel products according to claim 8, wherein: and an avoiding wheel for enabling the toothed belt transmission device to change the direction to avoid other parts is rotatably arranged on the clamping frame.
10. The magnetic powder inspection apparatus for iron and steel products according to claim 1, wherein: and an output device which is used for clamping qualified or unqualified workpieces to a preset position and outputting the workpieces after the workpieces are detected by the visual detection device is arranged at the rear end of the clamping and overturning device on the rack.
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Cited By (1)
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