CN219871156U - Magnetic powder detection marking table - Google Patents

Abstract

The utility model discloses a magnetic powder detection marking table, and mainly relates to the field of traceless detection. Including the deck plate, the top bilateral symmetry of deck plate is equipped with the guide bar, the top surface of guide bar is planar rectangular shape chi face, be equipped with first scale on the chi face, two be equipped with the horizontal pole between the guide bar, the both ends of horizontal pole respectively with guide bar sliding fit, be equipped with the second scale on the horizontal pole, be equipped with the operation piece on the horizontal pole, be equipped with the laser head on the operation piece placed in the middle, the light beam and the axis coplane of horizontal pole of laser head transmission are perpendicular. The utility model has the beneficial effects that: the magnetic mark calibration device is used for calibrating the position stability of the magnetic mark, and is beneficial to an operator to obtain more accurate measurement data.

Description

Magnetic powder detection marking table

Technical Field

The utility model relates to the field of traceless flaw detection, in particular to a magnetic powder detection marking table.

Background

The general steps of magnetic powder detection comprise pretreatment, magnetization, magnetic powder or magnetic suspension application, magnetic mark observation and recording, analysis and treatment of a workpiece. The principle of the method mainly depends on that when a ferromagnetic material workpiece is magnetized, magnetic induction lines on the surface and near surface of the workpiece are locally distorted to generate a leakage magnetic field due to the existence of discontinuity, magnetic powder on the surface of the workpiece is adsorbed, and visible magnetic marks are formed under proper illumination, so that the position, the size, the shape and the severity of the discontinuity are displayed.

In the specific operation process, a large proportion of workpieces to be detected are plate-type workpieces or rectangular or regular-shaped workpieces. The magnetic mark position of the workpiece needs to be recorded in the detection process for subsequent analysis and processing. The existing method uses a ruler to measure a workpiece and records the degree of manual measurement, and the defect marking method has large error and is not beneficial to the analysis and processing accuracy of subsequent problems.

Disclosure of Invention

The utility model aims to provide a magnetic powder detection marking table which is used for calibrating the position stability of magnetic marks and is beneficial to an operator to obtain more accurate measurement data.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a magnetic powder detection mark platform, includes the deck plate, the top bilateral symmetry of deck plate is equipped with the guide bar, the top surface of guide bar is planar rectangular shape chi face, be equipped with first scale on the chi face, two be equipped with the horizontal pole between the guide bar, the both ends of horizontal pole respectively with guide bar sliding fit, be equipped with the second scale on the horizontal pole, be equipped with the operation piece on the horizontal pole, be equipped with the laser head on the operation piece placed in the middle, the light beam and the axis coplane of horizontal pole of laser head transmission are perpendicular.

The operation block is also provided with a magnifier, the edge of the magnifier is provided with a mirror frame, the mirror frame is provided with a door-shaped frame, a swinging shaft is fixed between the door-shaped frames, the operation block is provided with a shaft hole, and the swinging shaft penetrates through the shaft hole and is in rotary connection with the shaft hole and the door-shaped frame with resistance.

The sliding sleeves are respectively arranged at two ends of the cross rod and are sleeved on the guide rods in a sliding connection mode, reading windows are arranged in front of and behind the top surfaces of the sliding sleeves in a centered mode, the reading windows can expose first scales, first indication lines are arranged in the middle of the inner sides of the reading windows, and the first indication lines correspond to the axes of the cross rods.

One side of the table panel is provided with a vertical frame hinged with the table panel, when the vertical frame is in an upright state, the bottom end of the vertical frame is provided with a horizontal bottom surface, a limiting block fixed on the table panel is arranged below the vertical frame, the top surface of the limiting block is a limiting surface parallel to the table panel, under the vertical state of the vertical frame, the bottom surface of the vertical frame is in parallel contact with the limiting surface, and the top end of the vertical frame is vertically fixed with the guide rod.

The bottom end of the stand is provided with a stop block, and the bottom surface of the stop block is coplanar with the bottom surface of the stand.

The table top board is a rectangular flat board and comprises a long side and a short side, the short side is left and right sides, and the stand is hinged to the long side of the table top board.

The operation block is penetrated with a circular hole which is matched with the cross rod, the inner wall of the circular hole is provided with 2-4 grooves in an annular array, springs and pin members are arranged in the grooves from inside to outside, one end of each pin member, which is close to the circular hole, is a spherical crown surface, the spherical crown surface is exposed outside the grooves, one end of each spring is arranged at the bottom of the groove, the other end of each spring is arranged on each pin member, the cross rod is provided with 2-4 limit grooves in an annular array, the cross sections of the limit grooves are arc-shaped and are matched with the curved surfaces of the cross sections of the spherical crown surfaces, and the pin members are movably pin-jointed with the limit grooves.

The cross section of the operation block is square, and the laser head is arranged at the central position of one side end surface of the operation block.

And the operation block is provided with a supplementary light source.

Compared with the prior art, the utility model has the beneficial effects that:

when the device is used for carrying out traceless flaw detection on a workpiece based on magnetic powder, the workpiece is placed on the table panel, and the workpiece is horizontally moved back and forth above the transverse rod and the operating block horizontally moves left and right on the transverse rod to obtain two-dimensional translation effects, so that the workpiece can be stably moved and positioned relative to the workpiece under the condition of not contacting the workpiece, and the calibration of the position stability of the magnetic mark is facilitated for an operator to obtain more accurate measurement data. And the measured surface of the workpiece is not affected or destroyed in the measuring process, so that the smooth detection is facilitated.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is an enlarged view of section I of fig. 1 in accordance with the present utility model.

Fig. 3 is a schematic diagram of the present utility model.

Fig. 4 is a top view of the present utility model.

Fig. 5 is a schematic view showing the internal structure of the operation block in the AA section of fig. 4 according to the present utility model.

Fig. 6 is a schematic diagram of the present utility model.

Fig. 7 is an enlarged view of section ii of fig. 3 in accordance with the present utility model.

The reference numbers shown in the drawings:

1. a deck plate; 2. a rotating seat; 3. a vertical frame; 4. a limiting block; 5. a stop block; 6. a guide rod; 7. a ruler surface; 8. a sliding sleeve; 9. a reading window; 10. a first indication line; 11. a cross bar; 12. an operation block; 13. a circular hole; 14. a groove; 15. a spring; 16. a pin member; 17. a limit groove; 18. a laser head; 19. a switching key; 20. a magnifying glass; 21. a door-shaped frame; 22. a first protruding strip; 23. a second protruding strip; 24. a straight line convex strip.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

The instruments, reagents, materials, etc. used in the examples described below are conventional instruments, reagents, materials, etc. known in the art, and are commercially available. The experimental methods, detection methods, and the like in the examples described below are conventional experimental methods, detection methods, and the like that are known in the prior art unless otherwise specified.

Example 1:

when a plurality of workpieces to be detected are workpieces such as welded plates, steel plates, cut plates and the like, or pipe fittings such as metal pipes, welded pipes and the like, firstly, the detected surfaces are checked, rust, oxide skin, welding spatter, scrap iron, burrs and various protective layers which cannot influence magnetic powder detection cannot be generated, then the workpieces to be detected are squared on a detection table, the detected surfaces are arranged on the detection table, and after stable placement, subsequent operations are carried out.

When the head formally completes magnetization, the operator needs to carefully and carefully recognize the display of the magnetic marks immediately. Since the magnetic powder is black, the difficulty in observation is high, and particularly, some magnetic marks are not obvious, it is required to observe the magnetic marks at a short distance, observe and confirm the surface to be inspected a plurality of times, and measure the length and the measuring point of the position by using a ruler after the magnetic marks are found and record. In the prior art, when the ruler is used for measurement, although the ruler is required not to drag and press on the surface of a workpiece as much as possible, the glove or the ruler is inevitably touched or scratched on the surface to be detected, and the magnetization surface is disturbed, so that repeated spraying, magnetization and observation are required. Meanwhile, the narrow measuring method brings adverse effects to the accuracy of measurement, so that the accuracy of a measuring result is poor.

The embodiment is a magnetic powder detection marking table, and improves the measurement process. The main structure comprises:

the table top board 1, the table top board 1 is a rectangular flat board, and supporting feet are arranged at four corners of the bottom surface of the table top board 1. The deck plate 1 is advantageously supported stably.

The deck plate 1 includes a long side and a short side, and the short side is left and right sides according to usage habits.

The utility model discloses a table panel, including table panel 1, rotating seat 2, rotatable pivot, stand 3, stopper 4 is fixed on table panel 1 to the bottom of stand 3, the top surface of stopper 4 is the spacing face parallel with table panel 1, under the vertical state of stand 3, the bottom surface and the spacing face parallel contact of stand 3, the outer end of pivot is fixed on stand 3, the bottom of stand 3 is equipped with the bottom surface with the length direction vertically of stand 3, the below of stand 3 is equipped with the stopper 4 of fixing on table panel 1, the top surface of stopper 4 is the spacing face parallel with table panel 1. So that the maximum angle at which the stand 3 is turned to the side of the deck plate 1 is limited to 90 degrees of erection, so that the stand 3 can be turned only to one side outward (reverse the deck plate 1) from the erected state. In order to increase the stability of surface and surface limit and enable the standing state of the stand 3 to be more stable, a stop block 5 is arranged at the bottom end of the stand 3, and the bottom surface of the stop block 5 is coplanar with the bottom surface of the stand 3, so that the contact area between the bottom surface and the limit surface is increased.

The top of the stand 3 is provided with a guide rod 6 which is vertically fixed with the stand, when the stand 3 is in a vertical state, the guide rod 6 is parallel to the short side of the table panel 1, the top surface of the guide rod 6 is a planar long-strip-shaped ruler surface 7, the scale is convenient to observe, and a first scale is arranged on the ruler surface 7.

The guide rod 6 and the vertical frame 3 form an L-shaped overturning structure, so that the space above the table panel 1 can be outwards overturned to be fully avoided, the guide rod 6 can be inwards overturned to be symmetrically and horizontally positioned at the left side and the right side of the table panel 1, and the stability of the horizontal state can be improved based on the gravity action of the guide rod 6.

The guide rod 6 is sleeved with a sliding sleeve 8 which is in sliding fit with the guide rod, the sliding sleeve 8 is a sliding piece with a square appearance section, a reading window 9 is arranged on the front and back of the top surface of the sliding sleeve 8 in a centering mode, the reading window 9 is designed to be a convex structure with a smaller inner end and a larger outer end for facilitating observation, a first indication line 10 is arranged on the middle position of the inner side of the reading window 9, and the corresponding first scale is convenient to high-precision. Through first indication line 10, can realize the butt joint under the overlook condition with first scale to more light accurate readout scale data.

Be equipped with horizontal pole 11 between two slip cap 8, the central point that is fixed respectively in slip cap 8 (along its length direction) is put at the both ends of horizontal pole 11, the length direction of horizontal pole 11 is perpendicular and the horizontal extension of guide bar 6, cup joint rather than sliding fit's operation piece 12 on the horizontal pole 11, it has circular hole 13 that suits with horizontal pole 11 to run through on the operation piece 12, annular array is equipped with 4 recesses 14 on the inner wall of circular hole 13, be equipped with spring 15 and round pin 16 from inside to outside in the recess 14, the one end that round pin 16 is close to the round hole is the spherical crown face, the spherical crown face exposes in the recess 14 outside, the one end of spring 15 is installed at the recess 14 tank bottom, just the other end of spring 15 is installed on round pin 16 to make round pin 16 have the elastic force that is ejecting outside recess 14. The annular array on the cross rod 11 is provided with 4 limit grooves 17, the cross section of the limit grooves 17 is arc-shaped and is matched with the cross section curved surface of the spherical crown surface, the pin members 16 are movably connected with the limit grooves 17 in a pin joint mode, the limit of the circumferential positions of the operation blocks 12 relative to the cross rod 11 is achieved, when the operation blocks 12 are twisted forcefully, the operation blocks 12 can be made to rotate on the cross rod 11, and when the pin members 16 meet the limit grooves 17, the pin members automatically fall into the limit grooves 17 to terminate the circumferential rotation of the pin members and keep the pin members at the positions. The sliding fit is realized based on the spherical crown surface of the pin 16 and the limit groove 17.

The cross bar 11 is also provided with a second scale. The number of multidimensional degrees is increased.

The cross-section of operation piece 12 is square, be equipped with laser head 18 on the terminal surface of one side of operation piece 12 placed in the middle for the emission light beam of vertical direction, when it rotates to vertical decurrent and open, can fix a position its below, install based on laser head 18 placed in the middle, the light spot that the light beam downward projection obtained is collinearly with the axis of horizontal pole 11, and first pilot line 10 is collinearly with the axis of horizontal pole 11 simultaneously, so that its light spot position and first pilot line 10 collinearly when laser head 18 shines downwards, can carry out the number of degrees to this position through first scale. A switch key 19 for controlling the laser head 18 is arranged on the operation block 12, so that the laser head is conveniently closed when not in use.

The magnifying glass 20 is further installed on the operation block 12, a glass frame is arranged at the edge of the magnifying glass 20, a door-shaped frame 21 is arranged on the glass frame, a swinging shaft is fixed between the door-shaped frames 21, a shaft hole is formed in the operation block 12, the swinging shaft penetrates through the shaft hole and is in rotary connection with the shaft hole, a rubber sleeve is arranged outside the swinging shaft, the rubber sleeve has larger friction with the rotation of the shaft hole, and when an operator loosens the magnifying glass 20, the magnifying glass 20 can stay and keep at the position.

To add a light source, a supplementary light source, such as an LDE bead, may be provided on the operation block 12, so as to facilitate a clearer identification of magnetic marks.

When the device is used, the transverse rod 11 is dragged back and forth, the operation block 12 is dragged left and right, the two-dimensional position of the operation block 12 relative to the plane above the table panel 1 can be conveniently adjusted, the operation block 12 is located above a position to be observed, and a magnifying glass 20 can be used for carrying out fine observation according to needs, when a magnetic mark is found, the operation block 12 can be further overturned, the laser head 18 irradiates downwards, when the magnetic mark is needed to be measured, the light spot falls at the position of the magnetic mark, the corresponding first scale or second scale is utilized for carrying out degrees, when the length is needed to be measured, a workpiece is transversely or vertically placed according to the magnetic mark, the transverse rod 11 or the operation block 12 is moved unidirectionally, and the distance difference is subjected to degrees.

Example 2:

the present embodiment is a magnetic powder detection marking table, and is different from embodiment 1 in the following two aspects:

first, the pin 16 is a ball, the crown surface of the ball is not more than 1/2 of the crown surface of the ball is exposed outside the groove 14, the width of the notch of the groove 14 is smaller than the diameter of the ball, and the smoothness of the sliding of the operating block 12 on the cross bar 11 is improved based on the smooth surface and the rolling effect of the ball.

Second, the deck plate 1 is provided with a l-shaped protruding block near the upper right corner, the l-shaped protruding block comprises a first protruding strip 22 and a second protruding strip 23 which are right angles, the first protruding strip 22 is parallel to the long side, the position of the first protruding strip 22 corresponds to the zero scale position of the first scale of the ruler surface 7 in the horizontal state, the second protruding strip 23 is parallel to the short side, and when the laser head 18 corresponds to the zero scale position of the second scale, the second protruding strip 23 corresponds to one side end face of the operation block 12. The degree is convenient. When detecting rectangular workpieces, one corner of the workpiece can be directly propped against the right-angle internal corner position of the L-shaped protruding block, after the magnetic mark is found, the light spot of the laser head 18 is correspondingly arranged on the magnetic mark, so that the two-dimensional data of the magnetic mark can be conveniently and rapidly obtained through the first scale and the second scale, and the two end points can be also obtained through the rapid measurement for the length.

The table panel 1 is provided with the linear raised line 24 near the short side, and the linear raised line 24 is aligned with the second raised line 23, so that when detecting a pipe fitting or other slender workpieces, one end of the workpiece is aligned with the linear raised line 24, and the transverse rod 11 degrees can be conveniently utilized.

This example is primarily further augmented with conveniently punched ribs to facilitate quick degrees. The convenience of the measuring link is increased.

Claims (9)

1. The utility model provides a magnetic powder detection mark platform, its characterized in that, includes the deck plate, the top bilateral symmetry of deck plate is equipped with the guide bar, the top surface of guide bar is planar rectangular shape chi face, be equipped with first scale on the chi face, two be equipped with the horizontal pole between the guide bar, the both ends of horizontal pole respectively with guide bar sliding fit, be equipped with the second scale on the horizontal pole, be equipped with the operation piece on the horizontal pole, be equipped with the laser head on the operation piece placed in the middle, the light beam and the axis coplane of horizontal pole of laser head transmission are perpendicular.

2. The magnetic powder detection marking table according to claim 1, wherein the operation block is further provided with a magnifying glass, a lens frame is arranged at the edge of the magnifying glass, a door-shaped frame is arranged on the lens frame, a swinging shaft is fixed between the door-shaped frames, the operation block is provided with a shaft hole, and the swinging shaft penetrates through the shaft hole and is connected with the shaft hole in a rotating mode with resistance.

3. The magnetic particle detection marking table according to claim 1, wherein sliding sleeves are respectively arranged at two ends of the cross rod and are sleeved on the guide rod in sliding connection with the guide rod, reading windows are arranged on the front surface and the rear surface of the sliding sleeve in a centering mode, the reading windows can expose first scales, first indication lines are arranged in the middle positions of the inner sides of the reading windows, and the first indication lines correspond to the axes of the cross rod.

4. The magnetic powder detection marking table according to claim 1, wherein one side of the table top plate is provided with a vertical frame hinged with the table top plate, when the vertical frame is in an upright state, the bottom end of the vertical frame is provided with a horizontal bottom surface, a limiting block fixed on the table top plate is arranged below the vertical frame, the top surface of the limiting block is a limiting surface parallel to the table top plate, in the vertical state of the vertical frame, the bottom surface of the vertical frame is in parallel contact with the limiting surface, and the top end of the vertical frame is vertically fixed with the guide rod.

5. A magnetic particle testing marking station as claimed in claim 4, wherein a stop is provided at the bottom end of the stand, the bottom surface of the stop being coplanar with the bottom surface of the stand.

6. A magnetic powder inspection marking table according to claim 4, wherein the table top is a rectangular flat plate, the table top includes a long side and a short side, the short side is left and right sides, and the stand is hinged to the long side of the table top.

7. The magnetic powder detection marking table according to claim 1, wherein the operation block is penetrated with a circular hole which is matched with the cross rod, 2-4 grooves are annularly arranged on the inner wall of the circular hole, springs and pin members are arranged in the grooves from inside to outside, one end of each pin member, which is close to the circular hole, is a spherical crown surface, the spherical crown surface is exposed outside the grooves, one end of each spring is arranged at the bottom of the groove, the other end of each spring is arranged on each pin member, 2-4 limit grooves are annularly arranged on the cross rod, the cross sections of the limit grooves are arc-shaped and are matched with the curved surfaces of the cross sections of the spherical crown surfaces, and the pin members are movably pin-jointed with the limit grooves.

8. A magnetic powder inspection marking table according to claim 1, wherein the cross section of the operation block is square, and the laser head is mounted at the center of one side end face thereof.

9. A magnetic particle testing marking station as claimed in claim 1, wherein the operating block is provided with a supplemental light source.