CN108020794B - Automatic detection device - Google Patents
Automatic detection device Download PDFInfo
- Publication number
- CN108020794B CN108020794B CN201610970139.8A CN201610970139A CN108020794B CN 108020794 B CN108020794 B CN 108020794B CN 201610970139 A CN201610970139 A CN 201610970139A CN 108020794 B CN108020794 B CN 108020794B
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- 238000001514 detection method Methods 0.000 title claims abstract description 86
- 230000004907 flux Effects 0.000 claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000007306 turnover Effects 0.000 claims abstract description 13
- 230000008859 change Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Jigs For Machine Tools (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
An automatic detection device is used for detecting whether the magnetic flux of a workpiece is qualified or not. The automatic detection device comprises a machine table, a positioning mechanism and a detection mechanism. The positioning mechanism is used for positioning and supporting the workpiece. The detection mechanism comprises a support arranged on the machine table, a fixed plate arranged at the top end of the support, a lifting driving piece arranged on the fixed plate, a movable plate connected with the lifting driving piece, a turnover driving piece rotatably connected to the movable plate and a detection plate rotatably connected with the turnover driving piece, and the lifting driving piece drives the movable plate to move towards the direction close to the positioning mechanism. The detection plate comprises a connecting plate and a magnetic flux detection piece, the connecting plate is rotatably connected with the overturning driving piece, two ends of the connecting plate are respectively and rotatably connected to the movable plate, the magnetic flux detection piece is arranged on the connecting plate, the overturning driving piece drives the connecting plate to rotate relative to the movable plate so that the magnetic flux detection piece and the workpiece form a preset detection included angle, and the magnetic flux detection piece detects the magnetic flux of the workpiece to judge whether the magnetic flux of the workpiece is qualified or not.
Description
Technical Field
The present invention relates to an automatic detection device, and more particularly, to an automatic detection device for detecting a magnetic flux of a workpiece.
Background
An upper cover of an electronic device, such as a notebook computer, is generally provided with a magnetic element, and correspondingly, an inductive element is arranged in a lower cover, and when the upper cover is fastened to the lower cover, the inductive element induces a change of magnetic flux, so as to control the electronic device to enter a sleep state. During the production process, it is usually necessary to detect the change of the magnetic flux of the magnetic element in the electronic device to ensure that the electronic device can successfully enter the sleep state. In the prior art, the change of the magnetic flux of the electronic equipment is detected by manually taking a detection instrument, and the detection accuracy of the detection method is unreliable and the detection efficiency is low.
Disclosure of Invention
In view of the above, it is desirable to provide an automatic detection device with high detection efficiency.
An automatic detection device is used for detecting whether the magnetic flux of a workpiece is qualified or not. The automatic detection device comprises a machine table, a positioning mechanism arranged on the machine table and a detection mechanism arranged above the positioning mechanism. The positioning mechanism is used for positioning and supporting the workpiece. The detection mechanism comprises a support arranged on the machine table, a fixed plate arranged at the top end of the support, a lifting driving piece arranged on the fixed plate, a movable plate connected with the lifting driving piece, a turnover driving piece rotationally connected to the movable plate and a detection plate rotationally connected with the turnover driving piece. The lifting driving member drives the movable plate to move towards the direction close to the positioning mechanism. The detection plate comprises a connecting plate and a magnetic flux detection sheet, the connecting plate is rotationally connected with the overturning driving piece, two ends of the connecting plate are respectively rotationally connected to the movable plate, and the magnetic flux detection sheet is arranged on a plane of the connecting plate far away from the overturning driving piece. The turnover driving piece drives the connecting plate to rotate relative to the movable plate so that the magnetic flux detection piece and the workpiece form a preset detection included angle, and the magnetic flux detection piece detects the magnetic flux of the workpiece to judge whether the magnetic flux of the workpiece is qualified.
The automatic detection device provided by the invention comprises a positioning mechanism for positioning and supporting the workpiece; detection mechanism drives the fly leaf through the lift driving piece and moves to the detection position to the direction that is close to positioning mechanism, and the upset driving piece drives the connecting plate and rotates for the fly leaf to the state of opening and shutting of simulation work piece, magnetic flux detection piece detect the magnetic flux of work piece, with this automated inspection who realizes the magnetic flux of work piece, for artifical the detection, automated inspection device can effectively promote detection efficiency.
Drawings
Fig. 1 is a schematic perspective view of an automatic detection apparatus according to an embodiment of the present invention.
Fig. 2 is a partially exploded perspective view of the automatic detection device shown in fig. 1.
Fig. 3 is a schematic perspective view of a positioning mechanism and a workpiece of the automatic detection apparatus shown in fig. 2.
Fig. 4 is a perspective view of a detection mechanism of the automatic detection device shown in fig. 2.
FIG. 5 is a cross-sectional view of the sensing mechanism of FIG. 4 taken along line V-V.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, an automatic detection apparatus 100 provided by the present invention includes a machine 10, a positioning mechanism 20 and a detection mechanism 30. The positioning mechanism 20 is disposed in the machine table 10 and is used for positioning and supporting the workpiece 200 to be detected. The detection mechanism 30 is provided above the positioning mechanism 20, and detects a change in the magnetic flux of the workpiece 200 within the positioning mechanism 20.
The machine station 10 includes a working table 11, an electric cabinet 12 and a hood 13. The table 11 is flat. An electric cabinet 12 is disposed below the worktable 11 for controlling the operating state of the automatic detection apparatus 100, such as the start and stop of the automatic detection apparatus 100. The electric cabinet 12 includes a housing 121, an emergency stop button 122 provided on the housing 121, and a start button 123 provided adjacent to the emergency stop button 122. The hood 13 is disposed above the table 11, and includes a hood 131 and a display 132 provided on the hood 131. The cover 131 serves as a shield to ensure the safety of the operator. The display 132 is used for displaying the detection result of the detection mechanism 30.
Referring to fig. 3, the positioning mechanism 20 includes a positioning plate 21, a plurality of clamping members 22, and a plurality of limiting members 23. The positioning plate 21 is provided on the table 11 (shown in fig. 2) and has a flat plate shape. The positioning plate 21 includes a contoured support surface 211, and the contour of the contoured support surface 211 is similar to the contour of the workpiece 200 to securely position and support the workpiece 200. The clamping members 22 are respectively disposed at the edges of the adjacent two sides of the positioning plate 21. The plurality of stoppers 23 are respectively disposed on the edges of the other adjacent two sides of the positioning plate 21. Each clamping member 22 abuts against the workpiece 200 and abuts against the limiting member 23, thereby achieving accurate positioning of the workpiece 200.
Specifically, each clamping member 22 includes a fixed block 221, a clamping jaw 222, and a rotating plate 223. The fixing block 221 is fixedly disposed at an edge of the positioning plate 21, and a recess 2211 is formed at a side away from a center of the positioning plate 21 to receive the rotating piece 223. The holding jaw 222 is elastically accommodated in the fixing block 221, and the holding jaw 222 is pulled in a direction away from the center position of the positioning plate 21 to insert the workpiece 200 into the positioning plate 21, and then the holding jaw 222 is released, and the holding jaw 222 elastically abuts against the workpiece 200 under the action of the elastic force. A rotation tab 223 is coupled to one end of jaw 222 and is rotatable relative to jaw 222. The rotating piece 223 is pulled in the direction away from the center position of the positioning plate 21, so as to drive the clamping jaw 222 to move in the direction away from the center position of the positioning plate 21, and then the rotating piece 223 is abutted against the groove wall of the groove 2211, so as to keep the clamping jaw 222 away from the center position of the positioning plate 21; after the workpiece 200 is placed into the positioning plate 21, the rotating piece 223 is rotated and the rotating piece 223 is arranged parallel to the groove 2211, then the rotating piece 223 is released, the clamping jaw 222 is restored to the original position under the action of the elastic force to be elastically abutted against the workpiece 200, and at the moment, the rotating piece 223 is accommodated in the groove 2211. In the present embodiment, the limiting members 23 are a plurality of cylinders disposed at the edges of the adjacent two sides of the positioning plate 21.
Referring to fig. 4 and 5, the detecting mechanism 30 includes a bracket 31, a fixed plate 32, a lifting driving member 33, a movable plate 34, a turnover driving member 35, and a detecting plate 36. The carriage 31 is disposed on the table 11 (shown in fig. 2). The fixing plate 32 is disposed at the top end of the bracket 31. The elevation driving member 33 is provided on the fixed plate 32. The movable plate 34 is connected to the lifting driving member 33, and the guide column 341 is disposed on the movable plate 34, and correspondingly, the guide sleeve 321 is disposed on the fixed plate 32, when the lifting driving member 33 drives the movable plate 34 to move toward or away from the positioning mechanism 20 (as shown in fig. 2), the guide column 341 slides in the guide sleeve 321, thereby playing a guiding role.
The turnover driving member 35 includes a first protrusion 351, a driving body 352, an expansion link 353, and a second protrusion 354, the first protrusion 351 is substantially in a shape of a convex and is fixedly disposed on the movable plate 34, and the first protrusion 351 is provided with a first turnover shaft 3511. One end of the driving body 352 is rotatably connected to the first protrusion 351 through a first turning shaft 3511, and the other end of the driving body 352 is connected to the telescopic rod 353, wherein the driving body 352 is used for controlling the telescopic rod 353 to extend or retract. The extension 353 is rotatably connected to the second tab 354. The second projection 354 is substantially convex and fixedly provided to the detection plate 36, the second projection 354 is provided with a second turning shaft 3541, and the telescopic rod 353 is rotatably connected to the second projection 354 by the second turning shaft 3541. In addition, both ends of the sensing plate 36 are rotatably coupled to the movable plate 34. The driving body 352 controls the telescopic rod 353 to extend and retract, and drives the detection plate 36 to turn relative to the movable plate 34, so that an included angle between the detection plate 36 and the workpiece 200 is changed, and the state of the workpiece 200 when being opened and closed is simulated.
Specifically, the detection plate 36 includes a connection plate 361 and a magnetic flux detection piece 362 provided on the connection plate 361. The two ends of the connecting plate 361 near one side of the movable plate 34 are respectively provided with a rotating shaft 3611, correspondingly, the two ends of the movable plate 34 are provided with a connecting arm 342, the connecting plate 361 is rotatably arranged on the connecting arm 342 through the rotating shaft 3611, and the second protrusion 354 is connected to the other side of the connecting plate 361 far away from the movable plate 34. The magnetic flux detecting piece 362 is provided on a plane of the connecting plate 361 away from the tumble driving member 35 for detecting the magnetic flux of the work 200.
When detecting the magnetic flux of the workpiece 200, the workpiece 200 is placed in the positioning mechanism 20, first, the lifting driving member 33 drives the movable plate 34 to move in a direction approaching the positioning mechanism 20, so as to drive the detecting plate 36 to move in a direction approaching the positioning mechanism 20, and when the detecting plate 36 moves to a detection position, i.e., the rotating shaft 3611 is coaxially disposed with the rotating shaft of the workpiece 200, the lifting driving member 33 stops operating; next, the driving body 352 controls the telescopic rod 353 to retract, so that the connecting plate 361 rotates around the connecting arm 342 through the rotating shaft 3611, so that the magnetic flux detecting piece 362 is disposed at a predetermined detection angle with respect to the workpiece 200 to simulate the open state of the workpiece 200, which, in this embodiment, the detection angle is 2 degrees, the magnetic flux detection piece 362 detects the magnetic flux of the workpiece 200 at this time, and thereafter, the driving body 352 controls the extension rod 353 to extend, so that the connecting plate 361 rotates around the connecting arm 342 through the rotating shaft 3611, so that the magnetic flux detecting piece 362 is disposed in parallel with the workpiece 200 to simulate the closed state of the workpiece 200, at which the detection angle is 0 degree, the magnetic flux detecting piece 362 detects the magnetic flux of the workpiece 200 at this time, whether the workpiece 200 is qualified or not is determined by the detected magnetic flux value, for example, the workpiece 200 is determined by comparing the two detected magnetic flux values with a standard value and analyzing.
The automatic detection device 100 provided by the invention comprises a positioning mechanism 20, wherein a workpiece 200 is placed on a positioning plate 21, a clamping piece 22 elastically supports against the workpiece 200 and supports against a limiting piece 23 to position the workpiece 200; the detection mechanism 30 drives the movable plate 34 to move to a detection position in a direction close to the positioning mechanism 20 through the lifting driving member 33, the overturning driving member 35 drives the connecting plate 361 to rotate relative to the movable plate 34 so as to simulate the opening and closing state of the workpiece 200, the magnetic flux detection sheet 362 detects the magnetic flux of the workpiece 200, automatic detection of the magnetic flux of the workpiece 200 is achieved, and the automatic detection device 100 can effectively improve detection efficiency relative to manual detection.
It is understood that in other embodiments, the limiting member 23 may also be an elongated block structure.
It will be appreciated that in other embodiments, the rotating tab 223 and recess 2211 may be omitted and one end of the jaws 222 may be pulled to insert the workpiece 200 into the positioning plate 21 and the jaws 222 may be released to grip the workpiece 200.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the present invention as claimed in the appended claims, as long as they fall within the true spirit of the present invention.
Claims (9)
1. The utility model provides an automatic checkout device for whether the magnetic flux of detecting the work piece is qualified, this automatic checkout device include the board, set up positioning mechanism and the detection mechanism of setting in this positioning mechanism top on this board, this positioning mechanism is used for the location to support this work piece, its characterized in that: the detection mechanism comprises a bracket arranged on the machine table, a fixed plate arranged at the top end of the bracket, a lifting driving piece arranged on the fixed plate, a movable plate connected with the lifting driving piece, a turnover driving piece and a detection plate, wherein the turnover driving piece comprises a first lug fixedly arranged on the movable plate, a driving body rotationally connected with the first lug, a telescopic rod connected with the driving body and a second lug rotationally connected with the telescopic rod, the second lug is fixedly arranged on the detection plate, the lifting driving piece drives the movable plate to move towards the direction close to the positioning mechanism, the detection plate comprises a connecting plate and a magnetic flux detection piece, the connecting plate is rotationally connected with the turnover driving piece, two ends of the connecting plate are respectively rotationally connected on the movable plate, and the magnetic flux detection piece is arranged on a plane of the connecting plate far away from the turnover driving piece, the turnover driving piece drives the connecting plate to rotate relative to the movable plate so that the magnetic flux detection piece and the workpiece form a preset detection included angle, and the magnetic flux detection piece detects the magnetic flux of the workpiece to judge whether the magnetic flux of the workpiece is qualified.
2. The automatic detection device according to claim 1, wherein: the positioning mechanism comprises a positioning plate arranged on the machine table, a plurality of clamping pieces arranged on two adjacent sides of the positioning plate and a plurality of limiting pieces arranged on two adjacent sides of the positioning plate, wherein the clamping pieces elastically support the workpiece and support the workpiece on the limiting pieces.
3. The automatic detection device according to claim 2, wherein: the positioning plate comprises a profiling supporting surface, and the profile of the profiling supporting surface is similar to that of the workpiece.
4. The automatic detection device according to claim 2, wherein: the clamping piece comprises a fixing block arranged on the positioning plate and a clamping jaw elastically accommodated in the fixing block, and the clamping jaw is used for elastically abutting against a workpiece on the positioning plate.
5. The automatic detection device according to claim 4, wherein: the clamping piece further comprises a rotating sheet which is rotatably connected to one end, far away from the center of the positioning plate, of the clamping jaw, and the fixing block is provided with a groove corresponding to the rotating sheet so as to accommodate the rotating sheet.
6. The automatic detection device according to claim 1, wherein: the movable plate is provided with a guide pillar, the fixed plate is provided with a guide sleeve corresponding to the guide pillar, and the guide pillar is arranged in the guide sleeve in a sliding manner.
7. The automatic detection device according to claim 1, wherein: two rotating shafts are arranged at two ends of the connecting plate, each rotating shaft is located on one side, close to the movable plate, of the connecting plate, two connecting arms are arranged at two ends of the movable plate corresponding to the two rotating shafts, the connecting plate is rotatably connected to the two connecting arms through the two rotating shafts, and the overturning driving piece is connected to the other side, far away from the movable plate, of the connecting plate.
8. The automatic detection device according to claim 1, wherein: the first lug is in a convex shape, a first overturning shaft is arranged on the first lug, the driving body is rotationally connected to the first lug through the first overturning shaft, the second lug is in a convex shape, a second overturning shaft is arranged on the second lug, and the telescopic rod is rotationally connected to the second lug through the second overturning shaft.
9. The automatic detection device according to claim 1, wherein: this board includes the workstation, sets up the electric cabinet in this workstation below and sets up the aircraft bonnet in this workstation top, and this electric cabinet includes the box, sets up emergency stop button on this box and the start button that is close to this emergency stop button and sets up, and this aircraft bonnet is including the cover body and set up the display on the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970139.8A CN108020794B (en) | 2016-10-28 | 2016-10-28 | Automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970139.8A CN108020794B (en) | 2016-10-28 | 2016-10-28 | Automatic detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108020794A CN108020794A (en) | 2018-05-11 |
| CN108020794B true CN108020794B (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610970139.8A Active CN108020794B (en) | 2016-10-28 | 2016-10-28 | Automatic detection device |
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| Country | Link |
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| CN (1) | CN108020794B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126005B (en) * | 2021-03-16 | 2024-02-20 | 湖南奥创普科技有限公司 | Double-sided meter magnetism check out test set |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202886576U (en) * | 2012-10-30 | 2013-04-17 | 宁波江丰电子材料有限公司 | Magnetic flux detection device |
| CN205581282U (en) * | 2016-04-25 | 2016-09-14 | 北京英诺麦格磁技术有限公司 | Automatic detection apparatus for permanent magnet work piece |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10143398A1 (en) * | 2001-09-04 | 2003-03-27 | Pierburg Gmbh | position sensor |
| CN201331574Y (en) * | 2008-12-29 | 2009-10-21 | 北京中科三环高技术股份有限公司 | Device for detecting magnetic flux automatically |
| US9068440B1 (en) * | 2012-06-01 | 2015-06-30 | William Lauf | Explosion-proof magnetic flux leakage inspection apparatus for well tubing |
| CN103257328A (en) * | 2013-05-28 | 2013-08-21 | 诸暨意创磁性技术有限公司 | Small-size neodymium iron boron automatic magnetic flux detector |
| CN203616463U (en) * | 2013-11-15 | 2014-05-28 | 沈阳工业大学 | Electrical steel sheet and magnetic property measuring device of combination structure of electrical steel sheets in different stress directions |
| CN203658557U (en) * | 2013-12-25 | 2014-06-18 | 珠海市广浩捷精密机械有限公司 | Magnetic flux testing machine |
| CN203745626U (en) * | 2014-01-23 | 2014-07-30 | 深圳市金正江大五金塑胶制品有限公司 | Automatic magnetic force detecting machine |
| CN104007404A (en) * | 2014-06-10 | 2014-08-27 | 何华琼 | Automatic detection fluxgraph |
| CN203870236U (en) * | 2014-06-10 | 2014-10-08 | 何华琼 | Automatic magnetic flux detection instrument |
| CN204194317U (en) * | 2014-09-09 | 2015-03-11 | 青岛金立磁性材料有限公司 | A kind of automation flux detection machine |
| CN104515959A (en) * | 2014-12-25 | 2015-04-15 | 浙江融创磁业有限公司 | Equipment and method for automatically detecting magnetic flux of special magnetic steel for electronic power motor of steering wheel of automobile |
| CN105974342B (en) * | 2016-07-06 | 2019-05-28 | 苏州富强科技有限公司 | Magnetic density measuring device and its measurement method |
-
2016
- 2016-10-28 CN CN201610970139.8A patent/CN108020794B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202886576U (en) * | 2012-10-30 | 2013-04-17 | 宁波江丰电子材料有限公司 | Magnetic flux detection device |
| CN205581282U (en) * | 2016-04-25 | 2016-09-14 | 北京英诺麦格磁技术有限公司 | Automatic detection apparatus for permanent magnet work piece |
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| CN108020794A (en) | 2018-05-11 |
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