CN113823472A - Magnetizing equipment and method for detecting axial position of screw rod sleeved with magnet - Google Patents
Magnetizing equipment and method for detecting axial position of screw rod sleeved with magnet Download PDFInfo
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- CN113823472A CN113823472A CN202111105085.6A CN202111105085A CN113823472A CN 113823472 A CN113823472 A CN 113823472A CN 202111105085 A CN202111105085 A CN 202111105085A CN 113823472 A CN113823472 A CN 113823472A
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- 238000000034 method Methods 0.000 title description 7
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000013519 translation Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 16
- 239000013307 optical fiber Substances 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 12
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000047 product Substances 0.000 description 18
- 210000000078 claw Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention relates to a magnetizing device. It has solved current detection efficiency low grade technical problem. The magnetizing equipment of the magnetizing equipment is used for magnetizing a magnet of a stepping motor, and comprises a rack and a magnetizing mechanism, wherein the magnetizing mechanism is arranged on the rack and is used for vertically fixing a screw rod and magnetizing the magnet sleeved on the screw rod; the position detection mechanism is arranged on the rack and used for detecting the axial position of the magnet relative to the screw rod; and after the position detection mechanism finishes position detection, the magnetizing mechanism magnetizes the magnet. The invention has the advantages that: the detection efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of stepping motor magnetization, and particularly relates to a magnetizing device and an axial position detection method for sleeving a magnet on a screw rod.
Background
The camera motor is driven by a stepping motor to prevent shaking.
Its structure of step motor includes the polar claw shell and installs the bearing in the polar claw shell, step motor's output shaft and lead screw are connected, and the tube-shape magnetite is built in the stator in it on the lead screw, cup joints the combination back when lead screw and tube-shape magnetite, need magnetize the magnetite, need be fixed in the position on the lead screw to the tube-shape magnetite before magnetizing and detect, current detection adopts to increase one set of manual position detection tool outside magnetizing equipment again, its following defect of this kind of mode:
the position detection jig is used for manual detection, so that the efficiency is low and the detection accuracy is poor;
the detection needs to consume a large amount of manpower, and the labor cost is high.
Secondly, the existing magnetizing and detecting are carried out by two devices, and the lead screw is abraded due to repeated positioning, so that the product quality is influenced.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a magnetizing apparatus and an axial position detecting method in which a magnet is fitted over a screw.
In order to achieve the purpose, the invention adopts the following technical scheme:
the magnetizing equipment is used for magnetizing a stepping motor magnet and comprises a rack;
the magnetizing mechanism is arranged on the rack and used for vertically fixing the screw rod and magnetizing a magnet sleeved on the screw rod;
the position detection mechanism is arranged on the rack and used for detecting the axial position of the magnet relative to the screw rod;
when the position detection mechanism finishes position detection, the magnetizing mechanism magnetizes the magnet
In the above magnetizing apparatus, the position detecting mechanism includes:
a fixed base;
the lifting arm is positioned above the fixed base;
the lifting driver drives the lifting arm to lift in the vertical direction;
the translation driver is fixed on the fixed base and drives the lifting driver to move in the horizontal direction;
the magnet position detection assembly is fixed on the lifting driver, moves in the horizontal direction along with the lifting driver and is close to the magnet;
and the screw rod position detection assembly is fixed on the lifting arm, and the screw rod position detection assembly is lifted in the vertical direction along with the lifting arm and is contacted with the upper end of the screw rod.
In the above magnetizing apparatus, the magnet position detecting units are horizontally arranged.
In the magnetizing apparatus, the magnet position detecting assembly includes a magnetic measuring cantilever bar horizontally distributed, one end of the magnetic measuring cantilever bar is fixed on the lift driver, the other end of the magnetic measuring cantilever bar is suspended, and a hall sensor is connected to the suspended end of the magnetic measuring cantilever bar.
In the magnetizing equipment, the lead screw position detection assembly comprises a vertical sliding rod which is vertically and slidably connected with the lifting arm, the lower end of the vertical sliding rod is connected with a vertical contact rod, an elastic assembly is arranged between the vertical sliding rod and the lifting arm, and the lifting arm is further connected with an optical fiber sensor which is positioned above the upper end of the vertical sliding rod.
In the above magnetizing apparatus, the vertical contact rod is a magnetizing rod, and the magnetism measuring cantilever rod and the vertical contact rod are distributed in a relatively perpendicular state.
In the magnetizing equipment, the upper end of the vertical sliding rod is connected with an upper adjusting fixing plate parallel to the lifting arm, the optical fiber sensor is positioned above the upper adjusting fixing plate, and a limiting rod penetrating through the lifting arm downwards is further arranged on the upper adjusting fixing plate.
In the above magnetizing apparatus, the magnetism-measuring cantilever bar and the vertical contact bar are distributed in a relatively vertical state.
In the above magnetizing apparatus, the lifting driver is any one of an air cylinder and an oil cylinder, and the magnetic measurement cantilever rod is fixed on a cylinder body of the lifting driver.
In the above magnetizing apparatus, the translation driver is any one of an air cylinder and an oil cylinder, a telescopic rod of the translation driver is connected with a translation sliding base in sliding connection with a cylinder body of the translation driver, and the lifting driver is fixed on the translation sliding base.
In the above magnetizing apparatus, the detection mechanism further includes a translation limiting structure fixed on the fixing base, and the translation limiting structure is used for preventing the translation driver from excessively driving the magnet position detection assembly to move towards the magnet side to contact with the magnet.
In the above magnetizing apparatus, the detecting mechanism further includes a lifting limit structure fixed on the lifting arm, and the lifting limit structure is located above the reference block.
In the above magnetizing apparatus, the magnetizing mechanism includes a lifting plate body, the lifting plate body is connected to the magnetizing lifting driver, and a magnetizing coil assembly having a positioning hole is disposed on the lifting plate body.
In the above magnetizing apparatus, the frame is further provided with at least one product placing plate.
In the above magnetizing apparatus, the frame is further provided with a material moving device, and the material moving device is used for taking and releasing the screw rod magnet assembly on the product swing disc onto the magnetizing mechanism.
The axial position detection method of the screw rod sleeved with the magnet is based on the magnetizing equipment and comprises the following steps:
s1, the material moving device obtains and releases a screw rod and magnet assembly on the product swinging disc on the magnetizing mechanism, the screw rod is in a vertical state, and the magnet is sleeved at the upper end of the screw rod;
and S2, driving the magnetic measurement cantilever rod fixed on the lifting driver to approach to the magnets to be detected in vertical distribution by the translation driver, and detecting the positions of the magnets by the Hall sensor at the moment.
S3, after the lifting driver translates in place, the lifting driver drives the vertical sliding rod to descend downwards to be in contact with the upper end of the screw rod, the optical fiber sensor measures the distance between the optical fiber sensor and the upper adjusting fixing plate after the vertical sliding rod descends, the height position of the upper end of the screw rod can be detected, and the axial relative position of the magnet sleeved on the screw rod can be detected through the combination of the S2 step and the S3 step.
Compared with the prior art, the invention has the advantages that:
the detection efficiency can be improved by utilizing an automatic detection mode, and meanwhile, the accuracy of a detection result can be further detected.
The detection cost is reduced and the design is more reasonable.
After the screw rod is positioned once, the position detection and magnetizing processing can be carried out, so that the abrasion and damage of the screw rod caused by multiple positioning are avoided.
Drawings
Fig. 1 is a schematic view of a first perspective angle structure of a magnetizing apparatus provided by the present invention.
Fig. 2 is a schematic view of a second perspective angle structure of the magnetizing apparatus provided by the present invention.
Fig. 3 is a schematic view of a third perspective angle structure of the magnetizing apparatus provided by the present invention.
Fig. 4 is a schematic diagram of a fourth perspective angle structure of the magnetizing apparatus provided by the present invention.
Fig. 5 is a schematic structural view of a screw magnet assembly according to the present invention.
Fig. 6 is a schematic structural diagram of a magnetizing apparatus provided by the present invention.
In the figure, a rack 1, a lower fixing plate 10, an upper fixing plate 11, a waist-shaped avoiding through hole 110, a magnetizing coil avoiding through hole 111, a magnetizing mechanism 2, a magnetizing lifting driver 20, a lifting plate body 21, a magnetizing coil group 22, a product swinging disc 3, a product inserting hole 30, a three-coordinate material moving mechanical arm 4, a mechanical claw 40, a fixed base 5, a lifting arm 50, a lifting driver 51, a translation driver 52, a translation sliding seat 520, a magnet position detection assembly 53, a magnetic measurement cantilever rod 530, a hall sensor 531, an L-shaped fixed block 532, a vertical contact rod 54, a lead screw position detection assembly 55, an elastic assembly 550, a vertical sliding rod 57, an upper adjusting fixing plate 570, an optical fiber sensor 571, a limiting rod 572, a translation limiting structure 58, a magnet a1 and a lead screw a 2.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 6, the magnetizing apparatus includes a frame 1, and the frame 1 includes a lower fixing plate 10 and an upper fixing plate 11 located above and parallel to the lower fixing plate.
The lower fixing plate 10 and the upper fixing plate 11 are parallel to each other.
As shown in fig. 1 to 4, a waist-shaped avoiding through hole 110 is provided on the upper fixing plate 11, and a magnetizing coil avoiding through hole 111 located at the periphery of the waist-shaped avoiding through hole 110 is further provided on the upper fixing plate 11.
The lower fixing plate is provided with a position detection mechanism which penetrates upwards from the waist-shaped escape through hole 110 and is used for detecting the relative position of the magnet a1 sleeved on the screw rod a2 as shown in fig. 5.
Specifically, as shown in fig. 1 to 4, the position detection mechanism of the present embodiment includes a fixed base 5, and the fixed base 5 is fixed to an upper fixed plate 11.
The fixed base 5 is in a block shape.
The lifting arm 50 is located above the fixed base 5, i.e. the lifting arm 50 is horizontally distributed and parallel to the fixed base 5.
A lifting driver 51 for driving the lifting arm 50 to lift in the vertical direction; preferably, the lifting driver 51 of the present embodiment is an air cylinder, preferably an air cylinder with three telescopic rods, and can drive the lifting arm 50 to achieve lifting stability.
And a translation driver 52 fixed on the fixed base 5 and driving the lifting driver 51 to move in the horizontal direction. That is, the elevating driver 51 is fixed to the translation driver 52. Preferably, the translation actuator 52 of the present embodiment is a cylinder, preferably a cylinder of two telescopic rods, to ensure the translational stability of the lifting actuator 51.
Next, the up-down driver 51 penetrates through the waist-shaped escape through-hole 110, and the up-down driver 51 moves in the waist-shaped escape through-hole 110 by the driving of the translation driver 52.
And a translation driver 52 fixed on the fixed base 5 and driving the lifting driver 51 to move in the horizontal direction.
Preferably, a translation slide 520 slidably connected to the cylinder of the translation actuator 52 is connected to the extension rod of the translation actuator 52, and the lifting actuator 51 is fixed to the translation slide 520.
A magnet position detecting unit 53 fixed to the up-and-down driver 51, the magnet position detecting unit 53 moving in the horizontal direction following the up-and-down driver 51 and approaching the magnet a 1; preferably, the magnet position detection assemblies 53 of the present embodiment are horizontally distributed.
Specifically, the magnet position detecting assembly 53 includes a magnetic measuring cantilever 530 horizontally distributed, one end of the magnetic measuring cantilever 530 is fixed on the lift driver 51, the other end of the magnetic measuring cantilever 530 is suspended, and a hall sensor 531 is connected to the suspended end of the magnetic measuring cantilever 530.
The hall sensor 531 is used to detect the relative position of the magnet fitted over the screw.
The magnetism-measuring cantilever 530 is used to detect whether the magnet is magnetized.
Preferably, an L-shaped fixing block 532 for fixing the magnetic measuring cantilever bar 530 is disposed on the outer wall of the top of the cylinder of the lift actuator 51, one end of the L-shaped fixing block 532 is fixed on the top of the outer wall of the cylinder of the lift actuator 51, the other end extends above the fixed base 5, and one end of the magnetic measuring cantilever bar 530 is fixed on the end of the L-shaped fixing block 532 above the fixed base 5.
And the screw rod position detection assembly 55 is fixed on the lifting arm 50, and the screw rod position detection assembly 55 is lifted along with the lifting arm 50 in the vertical direction and is in contact with the upper end of the screw rod a 2. Specifically, the lead screw position detecting assembly 55 of the present embodiment includes a vertical sliding rod 57 vertically and slidably connected to the lifting arm 50, a vertical contact rod 54 is connected to a lower end of the vertical sliding rod 57, an elastic assembly 550 is disposed between the vertical sliding rod 57 and the lifting arm 50, and an optical fiber sensor 571 located above an upper end of the vertical sliding rod 57 is further connected to the lifting arm 50.
The fiber sensor 571 is a kirschner sensor.
Further, the vertical contact rod 54 is a magnetic rod, and the magnetic measurement cantilever rod 530 and the vertical contact rod 54 are distributed in a relatively vertical state.
Next, an upper adjusting fixing plate 570 parallel to the lifting arm 50 is connected to the upper end of the vertical sliding rod 57, the upper adjusting fixing plate 570 is located above the lifting arm 50, the optical fiber sensor 571 is located above the upper adjusting fixing plate 570, and a stopper 572 penetrating the lifting arm 50 downward is further disposed on the upper adjusting fixing plate 570. The stopper 572 serves to guide and prevent the vertical slide rod 57 from rotating around its axis.
The optical fiber sensor 571 is used for detecting the relative position of the upper adjustment fixing plate 570, that is, the relative position of the vertical contact rod 54. The upper end position of different lead screws can be detected, the Hall sensor 531 of the magnet position detection assembly 53 detects the position of the magnet, and the position detection in two different directions can realize the relative position detection of the magnet sleeve on the lead screw.
Preferably, the detection mechanism of this embodiment further includes a translation limiting structure 58 fixed on the fixed base 5, and the translation limiting structure 58 is used to prevent the translation driver 52 from excessively driving the magnet position detection assembly 53 to move toward the magnet a1 side to contact with the magnet a 1. The translation limiting structure 58 is a limiting stop point. And
the detection mechanism further comprises a lifting limit structure 59 fixed on the lifting arm 50, and the lifting limit structure 59 is positioned above the reference block 56. The lifting limit structure 59 is a limit stop point.
The detection process is as follows:
the translation driver 52 drives the magnetic measurement cantilever 530 fixed on the lifting driver 51 to approach the magnets to be detected, which are vertically distributed, and the hall sensor 531 can detect the positions of the magnets.
After the lifting driver 51 translates to the proper position, the lifting driver 51 drives the vertical sliding rod 57 to descend downwards, and in the process of descending to contact with the upper end of the screw rod, the designed elastic assembly 550 is used for preventing the screw rod from being damaged due to rigid contact.
The elastic member 550 is a spring.
After the vertical sliding rod 57 descends, the optical fiber sensor 571 measures the distance between the vertical sliding rod and the upper adjusting fixing plate 570 relative to the optical fiber sensor 571, at this time, the height position of the upper end of the screw rod can be detected, and the axial relative position of the magnet sleeved on the screw rod can be detected through the combination of the two steps.
As shown in fig. 1 to 4 and 6, the lower fixing plate is provided with a magnetizing mechanism 2 which upwardly penetrates through the magnetizing coil escape through-hole 111, and a screw a2 which is sleeved with a magnet a1 is inserted into a positioning hole which is preset in the magnetizing mechanism. Specifically, the mechanism of magnetizing of this embodiment is including fixing the lift driver 20 that magnetizes on the bottom plate to and be located the coil of magnetizing and dodge the lift plate body 21 in through-hole 111, and the lift driver 20 that magnetizes is located lift plate body 21 below, is equipped with vertical guide structure between bottom plate and lift plate body 21, and this vertical guide structure includes a plurality of guide bars, and on the guide bar lower extreme was fixed in the bottom plate, the upper end of guide bar and the guiding hole clearance fit on the lift plate body 21.
The magnetizing lifting driver 20 is a cylinder or an oil cylinder, and the magnetizing lifting driver 20 is connected with the lower surface of the lifting plate body 21 so as to meet the magnetizing use requirements of different heights.
A magnetizing coil assembly 22 having a positioning hole is fixed to the upper surface of the elevating plate 21.
The magnetizing equipment further comprises at least one or more product placing trays 3 arranged on the upper surface of the upper fixing plate, and a plurality of product inserting holes 30 are respectively formed in each product placing tray 3.
The magnetizing equipment further comprises a material moving device, the material moving device is used for obtaining and releasing a screw rod magnet assembly on a product swing disc on the magnetizing mechanism, the material moving device comprises a three-coordinate material moving mechanical arm 4 arranged on the upper surface of an upper fixing plate, a mechanical claw 40 is installed on the three-coordinate material moving mechanical arm 4, and the mechanical claw 40 is any one of a single mechanical claw and a double mechanical claw.
The method for detecting the axial position of the screw rod sleeved with the magnet comprises the following steps:
s1, the material moving device obtains and releases a screw rod and magnet assembly on the product swinging disc on the magnetizing mechanism, the screw rod is in a vertical state, and the magnet is sleeved at the upper end of the screw rod;
setting a screw rod magnet assembly on one of the product swing discs 3 as a product disc to be detected;
setting one of the product swinging discs 3 as a storage disc of the detected screw rod magnet assembly;
the three-coordinate material moving mechanical arm 4 belongs to a commercial product.
The process is as follows:
the three-coordinate material moving mechanical arm 4 moves the mechanical claw 40 to a product disc to be detected, and then a screw rod magnet assembly to be detected is obtained;
the three-coordinate material moving mechanical arm 4 enables the mechanical claw 40 to move the magnetizing mechanism 2, and enables a screw rod magnet assembly to be detected to be vertically placed in the product inserting hole 30, a reference backer is arranged at the lower end of the product inserting hole 30, the lower end of a screw rod abuts against the reference backer, and a magnet at the upper end of the screw rod is located in an upper orifice of the product inserting hole 30;
s2, the translation driver 52 drives the magnetic measurement cantilever 530 fixed on the lift driver 51 to approach the magnets to be detected, which are vertically distributed, and the hall sensor 531 can detect the positions of the magnets.
S3, after the lifting driver 51 translates to the right position, the lifting driver 51 drives the vertical sliding rod 57 to descend downwards and to descend to contact with the upper end of the screw rod, the optical fiber sensor 571 at the moment after the vertical sliding rod 57 descends measures the distance between the upper adjusting fixing plate 570 and the optical fiber sensor 571, the height position of the upper end of the screw rod can be detected, and the axial relative position of the magnet sleeved on the screw rod can be detected through the combination of the two steps.
Example two
The structure and principle of this embodiment are basically the same as those of the first embodiment, and the different structures are as follows: the lift actuator 51 is a cylinder.
EXAMPLE III
The structure and principle of this embodiment are basically the same as those of the first embodiment, and the different structures are as follows: the translation actuator 52 is a cylinder.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. Magnetizing equipment for the step motor magnetite magnetizes, magnetizing equipment includes the frame, its characterized in that, magnetizing equipment still include:
the magnetizing mechanism is arranged on the rack and used for vertically fixing the screw rod and magnetizing a magnet sleeved on the screw rod;
the position detection mechanism is arranged on the rack and used for detecting the axial position of the magnet relative to the screw rod;
and after the position detection mechanism finishes position detection, the magnetizing mechanism magnetizes the magnet.
2. The magnetizing apparatus of claim 1, wherein the position detecting mechanism comprises:
a fixed base;
the lifting arm is positioned above the fixed base;
the lifting driver drives the lifting arm to lift in the vertical direction;
the translation driver is fixed on the fixed base and drives the lifting driver to move in the horizontal direction;
the magnet position detection assembly is fixed on the lifting driver, moves in the horizontal direction along with the lifting driver and is close to the magnet;
and the screw rod position detection assembly is fixed on the lifting arm, and the screw rod position detection assembly is lifted in the vertical direction along with the lifting arm and is contacted with the upper end of the screw rod.
3. The magnetizing apparatus of claim 2, wherein the magnet position detecting assembly comprises a horizontally disposed magnetic measurement cantilever bar, one end of the magnetic measurement cantilever bar is fixed on the lift driver, the other end of the magnetic measurement cantilever bar is suspended, and a hall sensor is connected to the suspended end of the magnetic measurement cantilever bar.
4. The magnetizing apparatus of claim 2, wherein the lead screw position detecting assembly comprises a vertical sliding rod vertically and slidably connected with the lifting arm, a vertical contact rod is connected to a lower end of the vertical sliding rod, an elastic assembly is arranged between the vertical sliding rod and the lifting arm, and an optical fiber sensor is further connected to the lifting arm and positioned above an upper end of the vertical sliding rod.
5. The magnetizing apparatus of claim 4, wherein the vertical contact rod is a magnetizing rod, and the magnetic measurement cantilever rod and the vertical contact rod are distributed in a relatively vertical state.
6. The magnetizing apparatus of claim 4, wherein the upper end of the vertical sliding rod is connected to an upper adjusting fixing plate parallel to the lifting arm, the optical fiber sensor is located above the upper adjusting fixing plate, and a limiting rod penetrating the lifting arm downwards is further disposed on the upper adjusting fixing plate.
7. The magnetizing apparatus of claim 1, wherein the magnetizing mechanism comprises a lifting plate, the lifting plate is connected to the magnetizing lifting driver, and a magnetizing coil assembly having a positioning hole is disposed on the lifting plate.
8. The magnetizing apparatus of claim 1, wherein the frame further comprises at least one product balance.
9. The magnetizing apparatus of claim 8, wherein the frame is further provided with a material moving device, and the material moving device is used for taking and releasing the screw rod magnet assembly on the product swinging plate onto the magnetizing mechanism.
10. An axial position detection method of a screw rod sleeved with a magnet, based on the magnetizing equipment of any one of claims 1 to 9, characterized in that the detection method comprises the following steps:
s1, the material moving device obtains and releases a screw rod and magnet assembly on the product swinging disc on the magnetizing mechanism, the screw rod is in a vertical state, and the magnet is sleeved at the upper end of the screw rod;
and S2, driving the magnetic measurement cantilever rod fixed on the lifting driver to approach to the magnets to be detected in vertical distribution by the translation driver, and detecting the positions of the magnets by the Hall sensor at the moment.
S3, after the lifting driver translates in place, the lifting driver drives the vertical sliding rod to descend downwards to be in contact with the upper end of the screw rod, the optical fiber sensor measures the distance between the optical fiber sensor and the upper adjusting fixing plate after the vertical sliding rod descends, the height position of the upper end of the screw rod can be detected, and the axial relative position of the magnet sleeved on the screw rod can be detected through the combination of the S2 step and the S3 step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111105085.6A CN113823472B (en) | 2021-09-22 | 2021-09-22 | Magnetizing equipment and axial position detection method for sleeving magnet on screw rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111105085.6A CN113823472B (en) | 2021-09-22 | 2021-09-22 | Magnetizing equipment and axial position detection method for sleeving magnet on screw rod |
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| CN113823472A true CN113823472A (en) | 2021-12-21 |
| CN113823472B CN113823472B (en) | 2024-02-27 |
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| CN202111105085.6A Active CN113823472B (en) | 2021-09-22 | 2021-09-22 | Magnetizing equipment and axial position detection method for sleeving magnet on screw rod |
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| US20020089327A1 (en) * | 2001-01-10 | 2002-07-11 | Spellman Charles Albert | System for magnetization to produce linear change in field angle |
| JP2003009496A (en) * | 2001-06-15 | 2003-01-10 | Sanyo Electric Co Ltd | Permanent magnet rotor and offset coil type pm stepping motor |
| EP1291660A2 (en) * | 2001-09-11 | 2003-03-12 | Koyo Seiko Co., Ltd. | Magnetic pulser ring, magnetizing device and method, and bearing unit having a magnetic pulser ring |
| CN104078191A (en) * | 2014-06-17 | 2014-10-01 | 江门协立磁业高科技有限公司 | Automatic positioning magnetization device |
| CN105336467A (en) * | 2015-11-16 | 2016-02-17 | 麦格雷博电子(深圳)有限公司 | Whole magnetizing method and device of multi-pole motor permanent magnet rotor |
| CN212905394U (en) * | 2020-06-22 | 2021-04-06 | 杭州铭哲磁电科技有限公司 | Magnetic sheet magnetizing magnetic flux detection positioning device and magnetic sheet magnetizing magnetic flux detection device |
-
2021
- 2021-09-22 CN CN202111105085.6A patent/CN113823472B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020089327A1 (en) * | 2001-01-10 | 2002-07-11 | Spellman Charles Albert | System for magnetization to produce linear change in field angle |
| JP2003009496A (en) * | 2001-06-15 | 2003-01-10 | Sanyo Electric Co Ltd | Permanent magnet rotor and offset coil type pm stepping motor |
| EP1291660A2 (en) * | 2001-09-11 | 2003-03-12 | Koyo Seiko Co., Ltd. | Magnetic pulser ring, magnetizing device and method, and bearing unit having a magnetic pulser ring |
| CN104078191A (en) * | 2014-06-17 | 2014-10-01 | 江门协立磁业高科技有限公司 | Automatic positioning magnetization device |
| CN105336467A (en) * | 2015-11-16 | 2016-02-17 | 麦格雷博电子(深圳)有限公司 | Whole magnetizing method and device of multi-pole motor permanent magnet rotor |
| CN212905394U (en) * | 2020-06-22 | 2021-04-06 | 杭州铭哲磁电科技有限公司 | Magnetic sheet magnetizing magnetic flux detection positioning device and magnetic sheet magnetizing magnetic flux detection device |
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| CN113823472B (en) | 2024-02-27 |
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