CN113823472B - Magnetizing equipment and axial position detection method for sleeving magnet on screw rod - Google Patents
Magnetizing equipment and axial position detection method for sleeving magnet on screw rod Download PDFInfo
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- CN113823472B CN113823472B CN202111105085.6A CN202111105085A CN113823472B CN 113823472 B CN113823472 B CN 113823472B CN 202111105085 A CN202111105085 A CN 202111105085A CN 113823472 B CN113823472 B CN 113823472B
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- magnetizing
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- screw rod
- rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000013519 translation Methods 0.000 claims description 32
- 238000005259 measurement Methods 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 description 9
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 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
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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
-
- 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 present invention relates to a magnetizing apparatus. It has solved the low technical problem of current detection efficiency. The magnetizing equipment is used for magnetizing the magnet of the stepping motor and comprises a rack, and the magnetizing equipment further comprises a magnetizing mechanism which is arranged on the rack and is used for vertically fixing the screw rod and magnetizing the magnet sleeved on the screw rod; the position detection mechanism is arranged on the rack and is used for detecting the axial position of the magnet relative to the screw rod; and after the position detection mechanism completes the 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 magnetizing of stepping motors, and particularly relates to magnetizing equipment and an axial position detection method for sleeving a magnet on a screw rod.
Background
The camera motor can utilize the stepping motor to perform anti-shake driving.
The stepping motor comprises a pole claw shell and a bearing arranged in the pole claw shell, an output shaft of the stepping motor is connected with a screw rod, a cylindrical magnet on the screw rod is arranged in a stator, after the screw rod and the cylindrical magnet are sleeved and combined, the magnet needs to be magnetized, the position of the cylindrical magnet fixed on the screw rod needs to be detected before magnetizing, and the existing detection is that a set of manual position detection jig is additionally arranged outside magnetizing equipment, so that the mode has the following defects:
the position detection jig is used for manual detection, and has low efficiency and poor detection accuracy;
and larger manpower detection is required, and the manpower cost is high.
Secondly, the existing magnetizing and detecting are carried out by two devices, and repeated positioning can lead screw abrasion to influence the product quality.
Disclosure of Invention
The invention aims to solve the problems and provides magnetizing equipment and an axial position detection method for sleeving a magnet on a screw rod.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the magnetizing equipment is used for magnetizing a magnet of a stepping motor and comprises a rack;
the magnetizing mechanism is arranged on the frame and is used for vertically fixing the screw rod and magnetizing the magnet sleeved on the screw rod;
the position detection mechanism is arranged on the rack and is used for detecting the axial position of the magnet relative to the screw rod;
after the position detection mechanism completes the 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 along the lifting driver in the horizontal direction and is close to the magnet;
the screw rod position detection assembly is fixed on the lifting arm, and the screw rod position detection assembly follows the lifting arm to lift in the vertical direction and contacts with the upper end of the screw rod.
In the magnetizing apparatus, the magnet position detecting units are horizontally distributed.
In the above-mentioned equipment that magnetizes, magnetite position detection subassembly is including being the magnetism measurement cantilever bar that the level distributes, and the one end of magnetism measurement cantilever bar is fixed on the lift driver, and the other end of magnetism measurement cantilever bar is unsettled, is connected with hall sensor at the suspension end of magnetism measurement cantilever bar.
In the above-mentioned equipment that magnetizes, lead screw position detection subassembly includes the vertical slide bar with the vertical sliding connection of lifting arm, and the lower extreme of vertical slide bar is connected with vertical contact bar, is equipped with elastic component between vertical slide bar and lifting arm, still is connected with the optical fiber sensor who is located vertical slide bar upper end top on the lifting arm.
In the magnetizing device, 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.
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 located 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 magnetizing device, the magnetic measurement cantilever rods and the vertical contact rods are distributed in a relatively vertical state.
In the magnetizing apparatus, the lifting driver is any one of a cylinder and an oil cylinder, and the magnetic measurement cantilever is fixed on a cylinder body of the lifting driver.
In the magnetizing device, 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 seat which is in sliding connection with a cylinder body of the translation driver, and the lifting driver is fixed on the translation sliding seat.
In the above-mentioned magnetizing apparatus, the detection mechanism further includes a translation limiting structure fixed on the fixed base, and the translation limiting structure is used for preventing the translation driver from overdriving the magnet position detection assembly to move towards the magnet side and contact with the magnet.
In the above magnetizing apparatus, the detecting mechanism further includes a lifting limiting structure fixed on the lifting arm, and the lifting limiting structure is located above the reference block.
In the above magnetizing device, the magnetizing mechanism comprises a lifting plate body, the lifting plate body is connected with a magnetizing lifting driver, and a magnetizing coil set with a positioning hole is arranged on the lifting plate body.
In the magnetizing apparatus, at least one product swing disc is further disposed on the frame.
In the magnetizing device, a material moving device is further arranged on the frame and used for acquiring and releasing the lead screw magnet assembly on the product swing disc on the magnetizing mechanism.
The axial position detection method of the magnet sleeve on the screw rod is based on the magnetizing equipment, and comprises the following steps:
s1, a material moving device acquires and releases a lead screw magnet assembly on a product swing disc on a magnetizing mechanism, a lead screw is in a vertical state, and a magnet is sleeved at the upper end of the lead screw;
s2, the translation driver drives the magnetic measurement cantilever rod fixed on the lifting driver to approach to the magnet to be detected in vertical distribution, and the Hall sensor can detect the position of the magnet.
S3, after the lifting driver translates in place, the lifting driver drives the vertical sliding rod to descend downwards to 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 relative to the optical fiber sensor 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 sleeve on the screw rod can be detected by combining the S2 and the S3.
Compared with the prior art, the invention has the advantages that:
the automatic detection mode is utilized, so that the detection efficiency can be improved, and meanwhile, the accuracy of a detection result can be further improved.
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 performed, and the abrasion and damage of the screw rod caused by repeated positioning are avoided.
Drawings
Fig. 1 is a schematic view of a first three-dimensional angle structure of a magnetizing apparatus according to the present invention.
Fig. 2 is a schematic view of a second three-dimensional 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 view of a fourth three-dimensional angle structure of the magnetizing apparatus provided by the present invention.
Fig. 5 is a schematic view of a structure 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 drawing, a frame 1, a lower fixing plate 10, an upper fixing plate 11, a waist-shaped avoidance through hole 110, a magnetizing coil avoidance 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 plate 3, a product insertion hole 30, a three-coordinate material moving mechanical arm 4, a mechanical claw 40, a fixing 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 fixing block 532, a vertical contact rod 54, a screw position detection assembly 55, an elastic assembly 550, a vertical sliding rod 57, an upper adjustment fixing plate 570, an optical fiber sensor 571, a limit rod 572, a translation limit structure 58, a magnet a1 and a screw a2.
Detailed Description
The following are specific embodiments of the invention and the technical solutions of the invention will be further described with reference to the accompanying drawings, but the invention is not limited to these embodiments.
Example 1
As shown in fig. 6, the present magnetizing apparatus includes a frame 1, the frame 1 including a lower fixing plate 10 and an upper fixing plate 11 positioned 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 avoidance through hole 110 is provided in the upper fixing plate 11, and a magnetizing coil avoidance through hole 111 located at the periphery of the waist-shaped avoidance through hole 110 is further provided in the upper fixing plate 11.
The lower fixing plate is provided with a position detection mechanism penetrating upward through the waist-shaped avoidance through hole 110, and the position detection mechanism is used for detecting the relative position of the magnet a1 sleeved on the screw a2 as shown in fig. 5.
Specifically, as shown in fig. 1 to 4, the position detecting mechanism of the present embodiment includes a fixed base 5, the fixed base 5 being fixed on an upper fixed plate 11.
The fixed base 5 is in a block shape.
The lifting arms 50 are located above the fixed base 5, i.e. the lifting arms 50 are 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 actuator 51 of the present embodiment is a cylinder, preferably a cylinder with three telescopic rods, which can drive the lifting arm 50 to lift and lower.
A translation driver 52 fixed to the fixed base 5 and driving the elevation driver 51 to move in the horizontal direction. That is, the elevation drive 51 is fixed to the translation drive 52. Preferably, the translation actuator 52 of the present embodiment is a cylinder, preferably a cylinder with two telescopic rods, to ensure the translation stability of the lifting actuator 51.
Next, the elevation driver 51 penetrates through the waist-shaped escape through hole 110, and the elevation driver 51 moves in the waist-shaped escape through hole 110 by the driving of the translation driver 52.
A translation driver 52 fixed to the fixed base 5 and driving the elevation driver 51 to move in the horizontal direction.
Preferably, a translation slide 520 slidingly connected with the cylinder of the translation actuator 52 is connected to the telescopic rod of the translation actuator 52, and the lifting actuator 51 is fixed to the translation slide 520.
A magnet position detecting component 53 fixed on the lifting driver 51, the magnet position detecting component 53 moving along the lifting driver 51 in the horizontal direction and approaching the magnet a1; preferably, the magnet position detecting members 53 of the present embodiment are horizontally distributed.
Specifically, the magnet position detecting component 53 includes a magnetic measurement cantilever bar 530 that is horizontally distributed, one end of the magnetic measurement cantilever bar 530 is fixed on the lifting driver 51, the other end of the magnetic measurement cantilever bar 530 is suspended, and the suspension end of the magnetic measurement cantilever bar 530 is connected with a hall sensor 531.
The hall sensor 531 is used for detecting the relative position of magnetite cover on the lead screw.
The magnetic measurement cantilever 530 is used to detect whether the magnet is magnetized.
Preferably, an L-shaped fixing block 532 for fixing the magnetic measurement cantilever bar 530 is provided at the cylinder top outer wall of the elevation driver 51, one end of the L-shaped fixing block 532 is fixed to the cylinder top outer wall of the elevation driver 51, the other end is extended above the fixing base 5, and one end of the magnetic measurement cantilever bar 530 is fixed to one end of the L-shaped fixing block 532 above the fixing base 5.
The screw rod position detection assembly 55 is fixed on the lifting arm 50, and the screw rod position detection assembly 55 follows the lifting arm 50 to lift in the vertical direction and contacts with the upper end of the screw rod a2. Specifically, the screw rod position detecting assembly 55 of the present embodiment includes a vertical sliding rod 57 vertically 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 optical fiber sensor 571 is a kenji sensor.
Further, the vertical contact rod 54 is a magnetically adding 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 limiting rod 572 penetrating through the lifting arm 50 downwards is further arranged on the upper adjusting fixing plate 570. The stopper rod 572 serves as a guide and prevents the vertical slide rod 57 from rotating about its axis.
The optical fiber sensor 571 is used for detecting the relative position of the upper adjustment fixture plate 570, i.e., the vertical contact bar 54. The upper end positions of different screw rods can be detected, the Hall sensor 531 of the magnet position detection component 53 detects the positions of the magnets, and the relative position detection of the magnets sleeved on the screw rods can be realized through the position detection of two different directions.
Preferably, the detection mechanism of the present embodiment further includes a translation limiting structure 58 fixed on the fixed base 5, where the translation limiting structure 58 is used to prevent the translation driver 52 from overdriving the magnet position detection component 53 to move toward the magnet a1 side and contact with the magnet a 1. The translation limiting structure 58 is a limiting stop. And
The detection mechanism further includes a lifting limit structure 59 fixed to the lifting arm 50, and the lifting limit structure 59 is located above the reference block 56. The lifting limiting structure 59 is a limiting stop point.
The detection process is as follows:
the translation driver 52 drives the magnetic measurement cantilever rod 530 fixed on the lifting driver 51 to approach the magnets to be detected in vertical distribution, and the hall sensor 531 can detect the positions of the magnets.
After the lift actuator 51 translates into position, the lift actuator 51 now drives the vertical slide rod 57 downward, and during the lowering of the vertical slide rod into contact with the upper end of the screw, the spring assembly 550 is designed to prevent damage to the screw due to rigid contact.
The resilient member 550 is a spring.
The optical fiber sensor 571 measures the distance between the optical fiber sensor 571 and the upper adjusting fixing plate 570 after the vertical sliding rod 57 descends, the height position of the upper end of the screw rod can be detected, and the axial relative position of the magnet sleeve on the screw rod can be detected by combining the two steps.
As shown in fig. 1 to 4 and 6, a magnetizing mechanism 2 penetrating upwards from a magnetizing coil avoiding through hole 111 is arranged on the lower fixing plate, and a screw rod a2 sleeved with a magnet a1 is inserted into a positioning hole preset by the magnetizing mechanism. Specifically, the magnetizing mechanism of this embodiment includes a magnetizing lifting driver 20 fixed on a lower fixing plate, and a lifting plate body 21 located in a magnetizing coil avoiding through hole 111, the magnetizing lifting driver 20 is located below the lifting plate body 21, a vertical guiding structure is arranged between the lower fixing plate and the lifting plate body 21, the vertical guiding structure includes a plurality of guiding rods, the lower ends of the guiding rods are fixed on the lower fixing plate, and the upper ends of the guiding rods are in clearance fit with the guiding holes in the lifting plate body 21.
The magnetizing lifting driver 20 is an air 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 lifting plate 21.
The magnetizing apparatus further includes at least one or more product trays 3 disposed on an upper surface of the upper fixing plate, and a plurality of product insertion holes 30 are respectively provided on each product tray 3.
The magnetizing equipment further comprises a material moving device, the material moving device is used for acquiring and releasing the lead screw magnet assembly on the 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 the upper fixing plate, a mechanical claw 40 is arranged 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 magnet sleeve on the screw rod comprises the following steps:
s1, a material moving device acquires and releases a lead screw magnet assembly on a product swing disc on a magnetizing mechanism, a lead screw is in a vertical state, and a magnet is sleeved at the upper end of the lead screw;
setting a lead screw magnet assembly on one product tray 3 as a product tray to be detected;
setting one product wobble plate 3 as a detected storage plate of the lead screw magnet assembly;
the three-coordinate material moving mechanical arm 4 belongs to commercial products.
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 lead screw 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, a lead screw magnet assembly to be detected is vertically placed in the product insertion hole 30, a reference backing is arranged at the lower end of the product insertion hole 30, the lower end of the lead screw is propped against the reference backing, and a magnet at the upper end of the lead screw is positioned at the upper orifice of the product insertion hole 30;
s2, the translation driver 52 drives the magnetic measurement cantilever rod 530 fixed on the lifting driver 51 to approach the magnets to be detected in vertical distribution, and the Hall sensor 531 can detect the positions of the magnets.
S3, after the lifting driver 51 translates in place, the lifting driver 51 drives the vertical sliding rod 57 to descend downwards to contact with the upper end of the screw rod, the optical fiber sensor 571 measures the distance between the optical fiber sensor 571 and the upper adjusting fixing plate 570 relative to the optical fiber sensor 571 after the vertical sliding rod 57 descends, the height position of the upper end of the screw rod can be detected, and the axial relative position of the magnet sleeve on the screw rod can be detected by combining 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 driver 51 is an oil 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 offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. Magnetizing equipment for stepper motor magnetite magnetizes, magnetizing equipment includes the frame, its characterized in that, magnetizing equipment still include:
the magnetizing mechanism is arranged on the frame and is used for vertically fixing the screw rod and magnetizing the magnet sleeved on the screw rod;
the position detection mechanism is arranged on the rack and is used for detecting the axial position of the magnet relative to the screw rod;
after the position detection mechanism completes the position detection, the magnetizing mechanism magnetizes the magnet;
the position detection 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 along the lifting driver in the horizontal direction and is close to the magnet;
the screw rod position detection assembly is fixed on the lifting arm, and the screw rod position detection assembly follows the lifting arm to lift in the vertical direction and contacts with the upper end of the screw rod.
2. The magnetizing apparatus of claim 1, wherein the magnet position detecting assembly includes a horizontally distributed magnetic measuring cantilever, one end of the magnetic measuring cantilever is fixed on the lifting driver, the other end of the magnetic measuring cantilever is suspended, and the hall sensor is connected to the suspended end of the magnetic measuring cantilever.
3. The magnetizing apparatus of claim 2, wherein the screw position detecting assembly includes a vertical sliding rod connected to the lifting arm in a vertical sliding manner, a vertical contact rod is connected to a lower end of the vertical sliding rod, an elastic assembly is disposed between the vertical sliding rod and the lifting arm, and an optical fiber sensor disposed above an upper end of the vertical sliding rod is further connected to the lifting arm.
4. A magnetizing apparatus according to claim 3, wherein the vertical contact bars are magnetizing bars, and the magnetic measuring cantilever bars and the vertical contact bars are distributed in a relatively vertical state.
5. The magnetizing apparatus of claim 3, wherein an upper adjusting fixing plate parallel to the lifting arm is connected to an upper end of the vertical sliding rod, and the optical fiber sensor is located above the upper adjusting fixing plate, and a limiting rod penetrating through the lifting arm downward is further disposed on the upper adjusting fixing plate.
6. The magnetizing apparatus of claim 1, wherein the magnetizing mechanism comprises a lifting plate body, the lifting plate body is connected with the magnetizing lifting driver, and a magnetizing coil assembly with a positioning hole is arranged on the lifting plate body.
7. The magnetizing apparatus of claim 1, wherein the housing is further provided with at least one product tray.
8. The magnetizing apparatus of claim 7, wherein the frame further comprises a material moving device for taking and releasing the screw magnet assembly on the product tray onto the magnetizing mechanism.
9. The method for detecting the axial position of the magnet sleeve on the screw rod is based on the magnetizing equipment of any one of claims 1-8, and is characterized by comprising the following steps:
s1, a material moving device acquires and releases a lead screw magnet assembly on a product swing disc on a magnetizing mechanism, a lead screw is in a vertical state, and a magnet is sleeved at the upper end of the lead screw;
s2, driving a magnetic measurement cantilever rod fixed on a lifting driver to approach a magnet to be detected in vertical distribution by a translation driver, wherein a Hall sensor can detect the position of the magnet;
s3, after the lifting driver translates in place, the lifting driver drives the vertical sliding rod to descend downwards to 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 relative to the optical fiber sensor 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 sleeve on the screw rod can be detected by combining the S2 and the S3.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN113823472A CN113823472A (en) | 2021-12-21 |
| CN113823472B true CN113823472B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448763B1 (en) * | 2001-01-10 | 2002-09-10 | Siemens Corporation | System for magnetization to produce linear change in field angle |
-
2021
- 2021-09-22 CN CN202111105085.6A patent/CN113823472B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Publication date |
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| CN113823472A (en) | 2021-12-21 |
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