CN106772153B - Device and method for checking polarity of magnet of electronic product - Google Patents
Device and method for checking polarity of magnet of electronic product Download PDFInfo
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- CN106772153B CN106772153B CN201611063124.XA CN201611063124A CN106772153B CN 106772153 B CN106772153 B CN 106772153B CN 201611063124 A CN201611063124 A CN 201611063124A CN 106772153 B CN106772153 B CN 106772153B
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- magnet
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- bottom plate
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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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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention relates to the technical field of magnet polarity inspection, in particular to an electronic product magnet polarity inspection device and method. The device comprises: a bottom plate; the baffle is arranged on the bottom plate and provided with a transmission port; the base is slidably arranged on the bottom plate and reciprocates on two sides of the baffle through a transmission port on the baffle; the linear driving mechanism is arranged on the bottom plate, the output end of the linear driving mechanism is connected with the base, and the linear driving mechanism is used for providing driving force for the movement of the base; the Hall triode is arranged on the base and is used for outputting a closing or opening signal to the control system when the magnet approaches; and the control system is arranged on the bottom plate and used for receiving signals sent by the Hall triodes to control the action of the linear driving mechanism. The invention judges that the polarity reliability of the magnet is high through the Hall triode, and the yield is improved. The worker only needs to put the product into the fixed seat, and the rest steps are finished by the tool, so that the operation fatigue degree is reduced.
Description
Technical Field
The invention relates to the technical field of magnet polarity inspection, in particular to an electronic product magnet polarity inspection device and method.
Background
Personal wear type electronic products often have built-in magnets, and there is a requirement for the polarity of the built-in magnets. In the batch assembly process of the Cell table, the situations of magnet neglected loading and reverse loading often occur, the magnet is loaded into the product, the inspection can not be completed visually, the reject ratio of the finished product is high, and the rejection cost is high. At present, the hand-held magnet is used for detecting the polarity of the magnet, so that the efficiency is low and the detection reliability is poor.
For a common Cell table mode of operation, the product is run from position IA to position IIB and then from position IIB to position IIIC. The detailed process is as follows: an operator at the left work table 300 holds the magnet to check the polarity of the product and then places the product in the turnover box 200, and an operator at the right work table 100 takes the product from the turnover box 200 to perform the work. The technical defects of the Cell table are that: firstly, the polarity of the magnet is judged manually, so that misjudgment and omission judgment are easy to occur; secondly, the product is transferred manually, and the working efficiency is low.
Disclosure of Invention
The invention aims to provide a device and a method for checking the polarity of a magnet of an electronic product, which are used for solving the problems that the polarity of the magnet is judged manually, misjudgment and missing judgment are easy to occur, and the product is transmitted manually, so that the working efficiency is low.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an electronic product magnet polarity inspection device, comprising:
a bottom plate;
the baffle is arranged on the bottom plate and is provided with a transmission port;
the base is slidably arranged on the bottom plate and reciprocates on two sides of the baffle through a transmission port on the baffle;
the linear driving mechanism is arranged on the bottom plate, and the output end of the linear driving mechanism is connected with the base and is used for providing driving force for the movement of the base;
the magnetic detection component is arranged on the base and is used for outputting a closing or opening signal to the control system when the magnet approaches;
and the control system is arranged on the bottom plate and is used for receiving signals sent by the magnetic detection component to control the action of the linear driving mechanism.
The control system comprises a three-way electromagnetic valve, a triode lead and a power supply, wherein the three-way electromagnetic valve and the power supply are connected into a closed-loop circuit through the triode lead, the magnetic detection component is connected to the closed-loop circuit, and the three-way electromagnetic valve is used for controlling the linear driving mechanism.
The magnetic detection component is a Hall triode.
By using the method for checking the polarity of the magnet of the device, the magnetism of the magnet is detected through the component for realizing the magnetic checking function, when the magnet is assembled correctly, the component for realizing the magnetic checking function sends out a closing signal to close a control circuit, and a three-way electromagnetic valve connected to the control circuit commutates to drive a linear driving mechanism to act, so that the product conveying is realized; when the magnet is assembled wrongly, namely, the condition of neglected loading or reverse loading occurs, the component realizing the magnetic inspection function sends a disconnection signal, and the linear driving mechanism does not act.
The invention has the advantages and beneficial effects that: the magnet is close to the Hall triode, the control circuit is closed, and the three-way electromagnetic valve commutates, so that the air cylinder drives the product to move. The reliability of the magnet polarity is judged through the Hall triode, and the yield is improved. The worker only needs to put the product into the fixed seat, and the rest steps are finished by the tool, so that the operation fatigue degree is reduced.
Drawings
FIG. 1 is a schematic diagram of a conventional Cell table operation mode;
fig. 2 is a schematic view of a Cell table provided with the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a schematic diagram illustrating the connection of Hall transistors according to the present invention;
fig. 5 is a schematic diagram showing the connection of the hall transistor, the three-way electromagnetic valve and the cylinder in the present invention.
In the figure: 1 is a bottom plate, 2 is a reinforcing rib, 3 is a baffle, 4 is a red-green indicator lamp, 5 is a counting display, 6 is a three-way electromagnetic valve, 7 is a rodless cylinder, 8 is a jig rubber pad, 9 is a base connecting plate, 10 is a base, 11 is a Hall triode, 12 is a triode lead, 13 is a power supply, 14 is an air inlet, 15 is an air pipeline, 100 is a right workbench, 200 is a turnover box, 300 is a left workbench, and 400 is a magnet polarity inspection jig.
Detailed Description
One prior art technique for magnet polarity testing is: the operator at the left workbench holds the magnet to check the polarity of the product and the positive and negative, then the product is placed in the turnover box, and the operator at the right workbench takes the product from the turnover box to operate. The technical defects of the Cell table are that: firstly, the polarity of the magnet is judged manually, so that misjudgment and omission judgment are easy to occur; secondly, the product is transferred manually, and the working efficiency is low.
The design concept of the invention is as follows: aiming at the phenomenon that the polarity of the existing magnet is judged manually, misjudgment and missing judgment are easy to occur. The invention makes the cylinder drive the product to move by the magnet close to the magnetic checking component, the circuit is closed and the three-way electromagnetic valve commutates. The magnetic inspection component adopts a Hall triode, the reliability of judging the polarity of the magnet by the Hall triode is high, and the yield is improved. The worker only needs to put the product into the fixed seat, and the rest steps are finished by the tool, so that the operation fatigue degree is reduced.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
Fig. 2 is a schematic view of a Cell table provided with the present invention; FIG. 3 is a schematic diagram of the structure of the present invention; FIG. 4 is a schematic diagram illustrating the connection of Hall transistors according to the present invention; as shown in fig. 2-4, the present invention provides a device for checking the polarity of a magnet of an electronic product, comprising:
a bottom plate 1, which is arranged on the right workbench 100 and the left workbench 300 and is used for bearing and supporting the whole mechanism;
baffle 3, set up on bottom plate 1, offered the transmission mouth on the baffle 3, the product can be transmitted between right workstation 100 and left workstation 300 through this transmission mouth.
The base 10 is slidably arranged on the bottom plate 1 and reciprocates on two sides of the baffle plate 3 through a transmission port on the baffle plate 3;
the linear driving mechanism is arranged on the bottom plate 1, and the output end of the linear driving mechanism is connected with the base 10 and is used for providing driving force for the movement of the base 10;
a magnetic checking part mounted on the base 10 for outputting a closing or opening signal to the control system when the magnet approaches;
and the control system is arranged on the bottom plate 1 and is used for receiving signals sent by the magnetic detection component to control the linear driving mechanism.
In one embodiment of the present invention, the magnetic test unit employs a hall transistor 11.
Fig. 5 is a schematic diagram showing the connection of the hall transistor, the three-way electromagnetic valve and the cylinder in the present invention. As shown in fig. 5, the control system includes a three-way electromagnetic valve 6, a triode lead 12 and a power supply 13, wherein the three-way electromagnetic valve 6 and the power supply 13 are connected into a closed-loop circuit through the triode lead 12, a hall triode 11 is connected to the closed-loop circuit, and the three-way electromagnetic valve 6 is used for controlling a linear driving mechanism.
In an embodiment of the present invention, the linear driving mechanism is a rodless cylinder 7, the three-way electromagnetic valve 6 is connected to air pipelines 15 on two sides of the rodless cylinder 7, and an air inlet 14 of the three-way electromagnetic valve 6 is connected to an air source. When the magnet approaches the hall transistor 11, the circuit is closed, the three-way electromagnetic valve 6 commutates, and the driving direction of the rodless cylinder 7 is changed through the commutation of the three-way electromagnetic valve 6.
Further, a guide rail for sliding the base 10 is arranged on the bottom plate 1, the guide rail penetrates through a transmission opening in the baffle plate 3, and the base 10 is in sliding connection with the guide rail through a base connecting plate 9.
Further, a counter display 5 is provided on one side of the baffle 3, said counter display 5 being used for the magnet assembly of a count of the correct product. The other side of the baffle plate 3 is provided with an indicating device which is used for indicating whether the magnet placed in the base 10 is assembled correctly or not.
In one embodiment of the invention, the indicating device is a red-green indicating lamp 4, and when the green light is on, the magnet is correctly assembled; when the red light is on, this indicates that the magnet assembly is incorrect.
Further, the side surface of the baffle plate 3 is provided with a reinforcing rib to strengthen the stability of the baffle plate 3; four jig rubber pads 8 are respectively arranged at four corners of the bottom plate 1.
The working process of the invention is as follows:
the product with the correct magnet assembly is placed in the base 10, the Hall triode 11 outputs a closing signal to control the three-way electromagnetic valve 6 to change direction, and meanwhile, the red-green indicator lamp 4 is controlled to light a green light; the rodless cylinder 7 acts to drive the base connecting plate 9 and the base 10 and the product to move; after passing through the baffle 3, the product is sent to a right workbench, namely, the product is moved from the position A to the position B; the product is taken away by a right workbench operator, the Hall triode 11 outputs a disconnection signal, the three-way electromagnetic valve 6 is controlled to reverse and return, the red-green indicator lamp 4 is controlled to be turned off, and the digital jump of the counting display 5 is increased by 1 bit.
The product with the magnet assembled incorrectly is placed in the base 10, and the hall transistor 11 outputs a disconnection signal to control the red-green indicator lamp 4 to light the red lamp.
The invention is applied to product transfer between two operation tables, the product with correct magnet assembly can be operated to the next station, and the product with incorrect magnet assembly can light up a red light alarm after being added with one count.
Example two
Fig. 2 is a schematic view of a Cell table provided with the present invention; FIG. 3 is a schematic diagram of the structure of the present invention; FIG. 4 is a schematic diagram illustrating the connection of Hall transistors according to the present invention; as shown in fig. 2-4, in a method for checking the polarity of a magnet by using the aforementioned device, the magnetism of the magnet is detected by a magnetism checking part, and the part for realizing the magnetism checking function is connected to a closed loop circuit of a control system. When the magnet is assembled correctly, the magnetic inspection part sends out a closing signal to close the control circuit, and the three-way electromagnetic valve 6 connected to the control circuit commutates to drive the linear driving mechanism to act so as to realize product conveying; when the magnet is assembled incorrectly, the magnetic detecting part sends out a disconnection signal, and the linear driving mechanism does not act.
In one embodiment of the present invention, the magnetic test unit employs a hall transistor 11.
The method displays the number of the magnet assembled correct products through a counting display 5; the red and green indicator lamp 4 is used for indicating whether the magnet assembly of the product placed in the base 10 is correct or not.
In an embodiment of the present invention, the linear driving mechanism is a rodless cylinder 7, air pipelines at two sides of the rodless cylinder 7 are connected with a three-way electromagnetic valve 6, and an air inlet 14 of the three-way electromagnetic valve 6 is connected with an air source. When the magnet approaches the hall transistor 11, the control circuit is closed, the three-way electromagnetic valve 6 commutates, and the driving direction of the rodless cylinder 7 is changed through the commutation of the three-way electromagnetic valve 6.
The technology is applied to product transfer between two operation tables, a product with correct magnet assembly can be operated to the next station, and a count is increased once, so that a red light alarm can be lighted when the product with incorrect magnet assembly is put into the product.
The invention comprises the following steps:
the product is placed in the base 10:
when the magnet assembly of the product is correct, the Hall triode 11 outputs a closing signal to control the three-way electromagnetic valve 6 to change the direction and simultaneously control the red and green indicator lamp 4 to light a green light; the rodless cylinder 7 acts to drive the base connecting plate 9 and the base 10 and the product to move. After passing through the baffle 3, the product is sent to a right workbench; the product is taken away by a right workbench operator, a Hall triode 11 outputs a disconnection signal, a three-way electromagnetic valve 6 is controlled to reverse and return, a red-green indicator lamp 4 is controlled to be turned off, and a counting display 5 is controlled to digitally jump by 1 bit;
when the magnet assembly is wrong:
the Hall triode 11 outputs an off signal to control the red light of the red-green indicator lamp 4 to be lighted.
The invention is applied to product transfer between two operation tables, the product with correct magnet assembly can be operated to the next station, and the product with incorrect magnet assembly can light up a red light alarm after being added with one count. The invention can count and card number, the yield calculation is more visual, and the risk of material missing is reduced.
To sum up. The invention makes the cylinder drive the product to move through the way that the magnet is close to the Hall triode and the circuit is closed and the three-way electromagnetic valve commutates. The Hall triode has high reliability in judging the polarity of the magnet, and the yield is improved. The worker only needs to put the product into the fixed seat, and the rest steps are finished by the tool, so that the operation fatigue degree is reduced.
The invention can be expanded to the weight inspection of products, such as neglected loading of product specifications, the weight is not up to standard, and the products cannot be transferred to the next work station, etc.
The foregoing is merely an embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, expansion, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (10)
1. A device for checking the polarity of a magnet of an electronic product is characterized in that,
comprising the following steps:
a bottom plate;
the baffle is arranged on the bottom plate and is provided with a transmission port;
the base is slidably arranged on the bottom plate and reciprocates on two sides of the baffle through a transmission port on the baffle;
the linear driving mechanism is arranged on the bottom plate, and the output end of the linear driving mechanism is connected with the base and is used for providing driving force for the movement of the base;
the magnetic detection component is arranged on the base and is used for outputting a closing or opening signal to the control system when the magnet approaches;
and the control system is arranged on the bottom plate and is used for receiving signals sent by the magnetic detection component to control the action of the linear driving mechanism.
2. The test device of claim 1, wherein the control system comprises a three-way solenoid valve, a triode lead, and a power supply, wherein the three-way solenoid valve and the power supply are connected into a closed loop circuit through the triode lead, the magnetic test component is connected to the closed loop circuit, and the three-way solenoid valve is used for controlling the linear driving mechanism.
3. The inspection apparatus according to claim 2, wherein the linear driving mechanism is a rodless cylinder, the three-way solenoid valve is connected to a gas line of the rodless cylinder, and a driving direction of the rodless cylinder is changed by reversing.
4. The test device of claim 2, wherein the magnetic test element is a hall transistor.
5. The inspection device of claim 1, wherein the base plate is provided with a guide rail, the guide rail passes through a transmission port on the baffle plate, and the base is slidably connected with the guide rail through a base connecting plate.
6. The inspection device of claim 1, wherein one side of the baffle is provided with a count display for counting magnetically correct products.
7. The inspection device of claim 6, wherein an indicator is provided on the other side of the shield, the indicator being used to indicate whether the magnet placed in the base is assembled correctly.
8. The inspection device of claim 1, wherein the sides of the baffle are provided with reinforcing ribs; jig rubber pads are arranged at four corners of the bottom plate.
9. A method for checking the polarity of a magnet by using the device according to any one of claims 1 to 8, characterized in that the magnet assembly is checked to be correct by a magnetic checking component, when the magnet assembly is correct, the magnetic checking component sends a closing signal to close a control circuit, a three-way electromagnetic valve connected to the control circuit is reversed, and a linear driving mechanism is driven to act, so that the product conveying is realized; when the magnet is assembled wrongly, the magnetic inspection part sends out a disconnection signal, and the linear driving mechanism does not act.
10. A method of verifying the polarity of a magnet as defined in claim 9, wherein the method displays the number of properly assembled products of the magnet via a counter display; the indication device prompts whether the magnet in the base is assembled correctly or not.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063124.XA CN106772153B (en) | 2016-11-28 | 2016-11-28 | Device and method for checking polarity of magnet of electronic product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611063124.XA CN106772153B (en) | 2016-11-28 | 2016-11-28 | Device and method for checking polarity of magnet of electronic product |
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| CN106772153A CN106772153A (en) | 2017-05-31 |
| CN106772153B true CN106772153B (en) | 2023-09-15 |
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| CN201611063124.XA Active CN106772153B (en) | 2016-11-28 | 2016-11-28 | Device and method for checking polarity of magnet of electronic product |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110385571B (en) * | 2018-04-19 | 2022-07-15 | 苏州汉扬精密电子有限公司 | Magnet detects pressfitting integral type device |
| CN110834413A (en) * | 2018-08-16 | 2020-02-25 | 苏州汉扬精密电子有限公司 | Magnet detects hot melt integral type device |
| CN112240994B (en) * | 2019-07-19 | 2023-05-16 | 苏州汉扬精密电子有限公司 | General magnet detection mechanism |
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| JP3129072U (en) * | 2006-11-21 | 2007-02-01 | 株式会社アイエムエス | Magnetic pole judgment device |
| CN203881923U (en) * | 2014-05-30 | 2014-10-15 | 信阳圆创磁电科技有限公司 | Magnet polarity testing arrangement |
| CN204462362U (en) * | 2015-04-01 | 2015-07-08 | 浙江自力机械有限公司 | A kind of weft accumulator magnetic steel special seat pick-up unit |
| CN204925415U (en) * | 2015-09-06 | 2015-12-30 | 歌尔声学股份有限公司 | Magnet detection tool |
| CN204964734U (en) * | 2015-08-21 | 2016-01-13 | 歌尔声学股份有限公司 | Magnet detection device |
| CN206348449U (en) * | 2016-11-28 | 2017-07-21 | 歌尔科技有限公司 | A kind of electronic product magnet polarities verifying attachment |
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2016
- 2016-11-28 CN CN201611063124.XA patent/CN106772153B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3129072U (en) * | 2006-11-21 | 2007-02-01 | 株式会社アイエムエス | Magnetic pole judgment device |
| CN203881923U (en) * | 2014-05-30 | 2014-10-15 | 信阳圆创磁电科技有限公司 | Magnet polarity testing arrangement |
| CN204462362U (en) * | 2015-04-01 | 2015-07-08 | 浙江自力机械有限公司 | A kind of weft accumulator magnetic steel special seat pick-up unit |
| CN204964734U (en) * | 2015-08-21 | 2016-01-13 | 歌尔声学股份有限公司 | Magnet detection device |
| CN204925415U (en) * | 2015-09-06 | 2015-12-30 | 歌尔声学股份有限公司 | Magnet detection tool |
| CN206348449U (en) * | 2016-11-28 | 2017-07-21 | 歌尔科技有限公司 | A kind of electronic product magnet polarities verifying attachment |
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