CN117783970A - Surface magnetic testing machine and surface magnetic detection method using same - Google Patents
Surface magnetic testing machine and surface magnetic detection method using same Download PDFInfo
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- CN117783970A CN117783970A CN202211160108.8A CN202211160108A CN117783970A CN 117783970 A CN117783970 A CN 117783970A CN 202211160108 A CN202211160108 A CN 202211160108A CN 117783970 A CN117783970 A CN 117783970A
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model discloses a meter magnetic testing machine which comprises a rack, wherein a working platform and a sample clamp which is used for fixing a sample and can adjust the position are arranged on the rack, the working platform is connected to the rack in a sliding manner, and a Hall piece meter pen which can be lifted and can contact the sample is arranged on the working platform. The utility model also discloses a surface magnetic detection method using the surface magnetic tester. By means of the utility model, only one detection point calibration is needed to be carried out on each batch or each model of sampled product, and the rest products can finish the surface magnetic test without calibrating any more, so that a large number of repeated line drawing actions are reduced, the working efficiency is greatly improved, and the workload of detection personnel is reduced. The utility model can reduce the influence of the difference of operators on the detection result to the greatest extent, reduce the detection error and ensure the repeatability of the test data.
Description
Technical Field
The utility model relates to a permanent ferrite surface magnetic detection device and a related method, in particular to a surface magnetic test machine and a surface magnetic detection method using the same.
Background
The product surface magnetic test is an important technical means for controlling the development stage and the mass production process of the permanent magnetic ferrite product. For the permanent magnetic ferrite, the surface magnetic values of all points on the same product are different, and the difference value of the surface magnetic values of two points adjacent to the surface of the product is larger. Therefore, in order to test the accuracy and the comparability of the performance of each product, the magnetic values of the table of a specific point or corresponding to the same position point of the same specification are generally used for comparison, so as to judge whether the performance of the product is qualified, and therefore, it is necessary to determine the specific point or corresponding to the same position point of the product. The test of the product surface magnetism at present is generally carried out by adopting a manual operation mode, the product trademark is tested at present, then the Hall piece meter pen is held by hand, and the center point of the sensing part at the front end of the Hall piece meter pen is infinitely close to the calibrated test point, and data are read. This method has the following problems: the center lines are required to be drawn respectively in the long width directions of the two surfaces of the thickness direction of each test product, the intersection point is determined, the line drawing times are high during the test of a large number of products, the time consumption is correspondingly increased, and the working efficiency is low; the error is big, and the calibration of product central point is very easy to vary by the individual, and even same personnel also have difficulty guaranteeing that the central point calibration is accurate when each test, leads to test data repeatability poor. The utility model patent with publication number of CN209264937U discloses a surface magnetic tester, but the utility model is used for testing the inner arc surface magnetism of a rotor magnetic shoe provided with a plurality of magnetic shoes, and cannot comprehensively test the inner surface and the outer surface of a single magnet.
Disclosure of Invention
The present permanent magnet ferrite surface magnetic detection method has low efficiency and large error, and in order to overcome the defects, the utility model provides a surface magnetic test machine capable of improving the detection efficiency and reducing the detection error and a surface magnetic detection method using the surface magnetic test machine.
The technical scheme of the utility model is as follows: the utility model provides a table magnetism testing machine, includes the frame, is equipped with work platform and is used for fixed sample and adjustable position's sample anchor clamps in the frame, work platform sliding connection in the frame, but be equipped with the hall piece table pen of liftable and accessible sample on the work platform. When the utility model is used, the first sample is only required to be calibrated to the detection point, then the first sample is fixed on the sample clamp before the detection, and then the necessary integral position adjustment is carried out on the sample clamp to align the calibrated detection point with the Hall piece stylus, so that the position of the sample clamp of the product with the same specification is determined after the calibrated detection point is aligned with the Hall piece stylus, and the accurate alignment with the Hall piece stylus can be ensured by replacing a plurality of samples with the same specification at the position. Therefore, by means of the utility model, only one detection point calibration is needed to be carried out on each batch or each model of sampled product, and the rest products can finish the surface magnetic test without recalibration, so that a large number of repeated line drawing actions are reduced, the working efficiency is greatly improved, the workload of detection personnel is reduced, the error is reduced, and the repeatability of test data is ensured.
Preferably, the lifting rail is arranged on the working platform, the sliding core is arranged on the lifting rail, the pen seat is fixed on the sliding core, and the Hall piece meter pen is fixed on the pen seat. The Hall film meter pen is lifted along the determined path along with the sliding core, so that a calibrated detection point on the sample can be conveniently found.
Preferably, the lifting rail is provided with a sliding core hole, the sliding core is slidably inserted in the sliding core hole, the bottom end of the sliding core is exposed out of the sliding core hole, and the pen holder is connected to the exposed part of the sliding core. Through the structure, the sliding connection of the sliding core on the working platform can be conveniently realized, and the lifting of the Hall film meter pen on the working platform is further realized.
Preferably, the sample fixture comprises an L-shaped positioning block and a sliding positioning block, the L-shaped positioning block is arranged on the frame and comprises a transverse edge and a longitudinal edge, the transverse edge is connected with a sliding rod, and the sliding positioning block is parallel to the transverse edge and is connected to the sliding rod in a sliding manner. The sliding positioning block can move along the sliding rod, and clamping force can be generated when the sliding positioning block is close to the transverse edge.
Preferably, a transverse moving groove is formed in the transverse edge, an L-shaped positioning block positioning bolt is arranged in the transverse moving groove in a penetrating mode, and the L-shaped positioning block positioning bolt is connected to the frame. When the L-shaped positioning block positioning bolt is loosened, the transverse moving groove is matched with the L-shaped positioning block positioning bolt, and the L-shaped positioning block can slide along the transverse moving groove; when the L-shaped positioning block positioning bolt is locked, the L-shaped positioning block is tightly pressed, so that the adjusted positioning is realized.
Preferably, a sliding positioning bolt is arranged on the top surface of the sliding positioning block corresponding to the sliding rod. The sliding positioning block is close to the transverse edge of the L-shaped positioning block, and after the sample is clamped, the positioning bolt of the sliding positioning block is locked, so that the distance between the sliding positioning block and the transverse edge of the L-shaped positioning block is fixed, and stable clamping force is maintained.
Preferably, the frame comprises a bottom plate and a pair of parallel vertical plates, wherein the vertical plates are fixed on two sides of the bottom plate, a working platform sliding groove is respectively formed in the top of each vertical plate, and two ends of the working platform are connected with the working platform sliding grooves in a one-to-one correspondence manner. The bottom plate and the vertical plate form a three-dimensional fixed stable structure, and can form better cooperation with the working platform.
Preferably, the working platform is provided with a longitudinal moving groove penetrating through the top surface and the bottom surface of the working platform, and a positioning bolt of the working platform is penetrated and connected in the longitudinal moving groove. The Hall plate meter pen can be fully contacted with a sample to be tested along with the movement of the working platform, and when the working platform moves to a required position on the vertical plate, the working platform can be fixed by screwing the positioning bolts of the working platform.
A surface magnetic detection method using the surface magnetic tester comprises the following steps:
step one, calibrating a first sample detection point;
step two, fixing the first sample; clamping a sample between an L-shaped positioning block and a sliding positioning block, loosening an L-shaped positioning block positioning bolt, translating the L-shaped positioning block to a proper position, and then locking the L-shaped positioning block positioning bolt to fix the L-shaped positioning block on the bottom plate of the rack;
thirdly, positioning and fixing the working platform; and the working platform is moved back and forth, so that the Hall plate meter pen vertically arranged on the pen seat is tightly attached to the surface of the sample vertically fixed on the sample clamp, and then the bolts in the sliding grooves are tightly fixed, thereby completing the positioning and fixing of the working platform.
Fourthly, positioning and fixing the sliding core; the sliding core moves up and down to drive the Hall plate meter pen arranged on the pen seat to move up and down, so that the center point of the front end of the sensing part of the Hall plate meter pen is aligned with the center line of the length of the sample, and the sliding core is fixed on the lifting rail by a sliding core positioning bolt;
and fifthly, taking down the first sample, and loading the subsequent samples on the sample clamp one by one for detection.
Through the steps, the three-dimensional coordinates of the first sample can be determined, and the detection reading can be conveniently carried out only by putting the rest samples into the sample clamp, so that the working efficiency is greatly improved, and the detection error is reduced.
The beneficial effects of the utility model are as follows:
and the detection efficiency is improved. By means of the utility model, only one detection point calibration is needed to be carried out on each batch or each model of sampled product, and the rest products can finish the surface magnetic test without calibrating any more, so that a large number of repeated line drawing actions are reduced, the working efficiency is greatly improved, and the workload of detection personnel is reduced.
The detection error is reduced, and the repeatability of the test data is ensured. The utility model can reduce the influence of the difference of operators on the detection result to the greatest extent, reduce the detection error and ensure the repeatability of the test data.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a sliding positioning block in the present utility model.
In the figure, a working platform, a 2-lifting rail, a 3-sliding core, a 4-pen seat, a 5-Hall piece meter pen, a 6-L-shaped positioning block, a 7-sliding positioning block, an 8-sliding rod, a 9-traversing groove, a 10-L-shaped positioning block positioning bolt, a 11-bottom plate, a 12-vertical plate, a 13-working platform sliding groove, a 14-working platform positioning hole, a 15-working platform positioning bolt, a 16-sample and a 17-sliding positioning block positioning bolt are arranged.
Detailed Description
The utility model will be further described with reference to specific embodiments in the drawings.
Examples:
as shown in fig. 1 and 2, a surface magnetic testing machine comprises a frame, wherein a working platform 1 and a sample clamp used for fixing a sample 16 and capable of adjusting the position are arranged on the frame, the working platform 1 is slidably connected to the frame, and a hall-effect meter pen 5 capable of lifting and contacting the sample 16 is arranged on the working platform 1. The working platform 1 is provided with a lifting rail 2, the lifting rail 2 is provided with a sliding core 3, the sliding core 3 is fixedly provided with a pen seat 4, and the Hall film meter pen 5 is fixedly arranged on the pen seat 4. The lifting rail 2 is provided with a sliding core pore canal, the sliding core 3 is inserted in the sliding core pore canal in a sliding way, the bottom end of the sliding core 3 is exposed out of the sliding core pore canal, and the pen holder 4 is connected to the exposed part of the sliding core 3. The sample fixture comprises an L-shaped positioning block 6 and a sliding positioning block 7, the L-shaped positioning block 6 is arranged on the frame, the L-shaped positioning block 6 comprises a transverse edge and a longitudinal edge, a sliding rod 8 is connected to the transverse edge, the sliding positioning block 7 is parallel to the transverse edge and is connected to the sliding rod 8 in a sliding manner, and one end of the sliding positioning block 7 is abutted to the longitudinal edge of the L-shaped positioning block 6. The transverse edge is provided with a transverse moving groove 9, an L-shaped positioning block positioning bolt 10 is arranged in the transverse moving groove 9 in a penetrating mode, and the L-shaped positioning block positioning bolt 10 is connected to the frame. The top surface of the sliding positioning block 7 is provided with a bolt hole corresponding to the sliding rod 8, and a sliding positioning block positioning bolt 17 is connected in the bolt hole in a threaded manner. The frame comprises a bottom plate 11 and a pair of parallel vertical plates 12, wherein the vertical plates 12 are fixed on two sides of the bottom plate 11, a working platform sliding groove 13 is respectively arranged at the top of each vertical plate 12, and two ends of the working platform 1 are connected with the working platform sliding grooves 13 in a one-to-one correspondence manner. The bottom of the working platform chute 13 is provided with two working platform positioning holes, the working platform 1 is provided with a longitudinal moving groove 14 penetrating through the top surface and the bottom surface of the working platform 1, a working platform positioning bolt 15 penetrates through the longitudinal moving groove 14, and the working platform positioning bolt 15 is connected in the working platform positioning holes through threads.
A surface magnetic detection method using the surface magnetic tester comprises the following steps:
step one, calibrating a detection point of a first sample 16;
step two, fixing the first sample 16; the sample 16 is clamped between the L-shaped positioning block 6 and the sliding positioning block 7, the L-shaped positioning block positioning bolt 10 is loosened, the L-shaped positioning block can move left and right, the L-shaped positioning block 6 is translated to a proper position, and then the L-shaped positioning block positioning bolt 10 is locked, so that the L-shaped positioning block 6 is fixed on the bottom plate 11 of the machine frame. When the fixing is carried out, the two right angles and two sides of the L-shaped positioning block 6 are respectively parallel to the length-width direction of the bottom plate, and the center line of the sample 16 along the width direction is coincident with the center line of the bottom plate;
step three, positioning and fixing the working platform 1; the working platform 1 is moved back and forth, so that the Hall plate meter pen 5 vertically arranged on the pen seat 4 is tightly attached to the surface of the sample 16 vertically fixed on the sample clamp, and then the bolts in the sliding grooves are tightly fixed, thus the positioning and fixing of the working platform 1 are completed.
Fourthly, positioning and fixing the sliding core 3; the sliding core 3 is moved up and down to drive the Hall plate meter pen 5 arranged on the pen seat 4 to move up and down, so that the center point of the front end of the sensing part of the Hall plate meter pen 5 is aligned with the center line of the length of the sample 16, and the sliding core 3 is fixed on the lifting rail 2 by a sliding core positioning bolt;
and fifthly, loosening the positioning bolts 17 of the sliding positioning blocks, taking down the first sample 16, and loading the subsequent samples 16 on the sample clamp one by one for detection.
Claims (9)
1. The utility model provides a table magnetism testing machine, characterized by includes the frame, is equipped with work platform (1) and is used for fixed sample (16) and adjustable position's sample anchor clamps in the frame, and work platform (1) sliding connection is in the frame, is equipped with hall piece table pen (5) of liftable and contactable sample (16) on work platform (1).
2. The meter magnetic testing machine according to claim 1, wherein the working platform (1) is provided with a lifting rail (2), the lifting rail (2) is provided with a sliding core (3), a pen seat (4) is fixed on the sliding core (3), and the hall meter pen (5) is fixed on the pen seat (4) and is installed on the sliding core (3).
3. The surface magnetic testing machine according to claim 2, wherein the lifting rail (2) is provided with a sliding core hole, the sliding core (3) is slidably inserted into the sliding core hole, the bottom end of the sliding core (3) is exposed out of the sliding core hole, and the pen holder (4) is connected to the exposed part of the sliding core (3).
4. The surface magnetic testing machine according to claim 1, wherein the sample fixture comprises an L-shaped positioning block (6) and a sliding positioning block (7), the L-shaped positioning block (6) is mounted on the frame, the L-shaped positioning block (6) comprises a transverse edge and a longitudinal edge, the transverse edge is connected with a sliding rod (8), and the sliding positioning block (7) is parallel to the transverse edge and is connected with the sliding rod (8) in a sliding manner.
5. The surface magnetic testing machine according to claim 4, wherein a transverse moving groove (9) is formed in the transverse edge, an L-shaped positioning block positioning bolt (10) is arranged in the transverse moving groove (9) in a penetrating mode, and the L-shaped positioning block positioning bolt (10) is connected to the frame.
6. The surface magnetic testing machine according to claim 4, wherein a sliding positioning block positioning bolt (17) is arranged at a position of the top surface of the sliding positioning block (7) corresponding to the sliding rod (8).
7. The surface magnetic testing machine according to claim 1, wherein the frame comprises a bottom plate (11) and a pair of parallel vertical plates (12), the vertical plates (12) are fixed on two sides of the bottom plate (11), a working platform sliding groove (13) is respectively arranged at the top of each vertical plate (12), and two ends of the working platform (1) are connected with the working platform sliding grooves (13) in a one-to-one correspondence mode.
8. The surface magnetic testing machine according to claim 7, wherein the working platform (1) is provided with a longitudinal moving groove (14) penetrating through the top surface and the bottom surface of the working platform (1), and a working platform positioning bolt (15) is penetrated and connected in the longitudinal moving groove (14).
9. The surface magnetic detection method using the surface magnetic tester is characterized by comprising the following steps:
step one, calibrating detection points of a first sample (16);
step two, fixing the first sample (16); clamping a sample (16) between an L-shaped positioning block (6) and a sliding positioning block (7), loosening an L-shaped positioning block positioning bolt (10), translating the L-shaped positioning block (6) to a proper position, and then locking the L-shaped positioning block positioning bolt (10) to fix the L-shaped positioning block (6) on a bottom plate (11) of the rack;
step three, positioning and fixing the working platform (1); the working platform (1) is moved back and forth, a Hall film meter pen (5) vertically arranged on the pen seat (4) is tightly attached to the surface of a sample (16) vertically fixed on the sample clamp, and then bolts in the sliding groove are tightly fixed, so that the positioning and fixing of the working platform (1) are completed;
fourthly, positioning and fixing the sliding core (3); the sliding core (3) is moved up and down to drive the Hall film meter pen (5) arranged on the pen seat (4) to move up and down, so that the center point of the front end of the sensing part of the Hall film meter pen (5) is aligned with the center line of the length of the sample (16), and the sliding core (3) is fixed on the lifting rail (2) by the sliding core positioning bolt;
and fifthly, taking down the first sample (16), and loading the subsequent samples (16) on a sample clamp one by one for detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211160108.8A CN117783970A (en) | 2022-09-22 | 2022-09-22 | Surface magnetic testing machine and surface magnetic detection method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211160108.8A CN117783970A (en) | 2022-09-22 | 2022-09-22 | Surface magnetic testing machine and surface magnetic detection method using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117783970A true CN117783970A (en) | 2024-03-29 |
Family
ID=90382163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211160108.8A Pending CN117783970A (en) | 2022-09-22 | 2022-09-22 | Surface magnetic testing machine and surface magnetic detection method using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117783970A (en) |
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2022
- 2022-09-22 CN CN202211160108.8A patent/CN117783970A/en active Pending
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