CN107378460B - Permanent magnet installation tool and method for rotor of electromagnetic actuator - Google Patents
Permanent magnet installation tool and method for rotor of electromagnetic actuator Download PDFInfo
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- CN107378460B CN107378460B CN201710612379.5A CN201710612379A CN107378460B CN 107378460 B CN107378460 B CN 107378460B CN 201710612379 A CN201710612379 A CN 201710612379A CN 107378460 B CN107378460 B CN 107378460B
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- permanent magnet
- actuator
- installation
- rotor framework
- framework
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
Abstract
The invention discloses a permanent magnet installation tool for an electromagnetic actuator rotor, which comprises an outer limiting sleeve (1), an actuator rotor framework (2), a lower partition plate (3), an upper partition plate (4) and an installation auxiliary sleeve (5), wherein the outer limiting sleeve (1) is sleeved outside the actuator rotor framework (2), the outer limiting sleeve and the actuator rotor framework are both placed on the same plane, and the installation auxiliary sleeve (5) is installed on the actuator rotor framework (2). The invention also discloses a permanent magnet installation method of the electromagnetic actuator rotor. According to the mounting tool, the permanent magnets are limited through the lower partition plate and the outer limiting sleeve, so that the problem that the permanent magnets mounted on the mover framework of the actuator are shifted due to repulsive force between adjacent magnets can be solved, the mounting of other permanent magnets can be facilitated, and the problem that the last two permanent magnets cannot be mounted due to mutual repulsion caused by uneven gaps is solved.
Description
Technical Field
The invention relates to the technical field of electromagnetic actuators, in particular to a permanent magnet installation tool and a permanent magnet installation method for an electromagnetic actuator rotor.
Background
Because of the high reliability of the passive vibration isolator, passive control is generally used to isolate the vibration source. However, with the continuous development of scientific technology, the requirements on the environment and the equipment for vibration are higher and higher, and passive vibration isolation cannot completely meet the requirements of people, so that the active control of structural vibration through an active element is more and more emphasized.
Actuators are important devices for active control of vibrations, and function to control the vibration response of a system by applying a control force to a control object according to a certain control law. The electromagnetic actuator is suitable for occasions with low frequency and small control force. The mover of the linear motion type electromagnetic actuator can be composed of a coil and an iron core, and can also be composed of a permanent magnet and an iron core. For an electromagnetic actuator rotor composed of permanent magnets and iron cores, a plurality of tile-shaped permanent magnets are often required to be spliced into an annular magnet structure and compactly mounted on an actuator rotor framework in the assembling process of the electromagnetic actuator rotor.
However, when a plurality of permanent magnets are spliced together side by side, due to the characteristic that like poles of the permanent magnets repel each other, the adjacent permanent magnets repel each other. The installation process is very difficult, and the accuracy of the permanent magnet installation position is also difficult to guarantee.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides the permanent magnet installation tool and the permanent magnet installation method for the mover of the electromagnetic actuator, which have the advantages of simple structure, convenience in operation, time saving and labor saving, and solves the problems that when a plurality of permanent magnets are spliced side by side, the adjacent permanent magnets repel each other, the installation process is very difficult, and the accuracy of the permanent magnet installation position is difficult to ensure in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a permanent magnet installation tool for an electromagnetic actuator mover, including an outer limit sleeve, an actuator mover skeleton, a lower partition, an upper partition, and an installation auxiliary sleeve;
the outer limiting sleeve is sleeved outside the actuator rotor framework, and the outer limiting sleeve and the actuator rotor framework are both placed on the same plane;
the gap between the inner surface of the outer limiting sleeve and the permanent magnet mounting surface of the actuator rotor framework is slightly larger than the thickness of one permanent magnet, so that the permanent magnet is smoothly mounted in the gap, and obvious radial deviation cannot occur;
a plurality of groove-shaped structures are uniformly distributed on the outer circumferences of the actuator rotor framework and the mounting auxiliary sleeve, the groove-shaped structures on the actuator rotor framework and the mounting auxiliary sleeve are aligned up and down, a lower partition plate and an upper partition plate are mounted in each group of grooves, and the lower partition plate and the upper partition plate are used for partitioning adjacent permanent magnets to avoid mutual repulsion;
the installation auxiliary sleeve is installed on the actuator rotor framework, and the outer diameter of the installation auxiliary sleeve is the same as the diameter of the permanent magnet installation surface of the actuator rotor framework, so that the permanent magnet can slide to the permanent magnet installation surface of the actuator rotor framework along the outer surface of the installation auxiliary sleeve in the installation process, and the precise positioning and installation of the plurality of permanent magnets are realized.
Furthermore, the arc length of the arc surface between two adjacent groove-shaped structures on the actuator rotor framework is slightly larger than the inner surface arc length of the permanent magnet to be installed, so that the permanent magnet is ensured to be smoothly installed between two adjacent lower partition plates or two adjacent upper partition plates.
Further, the number of the groove-shaped structures, the number of the lower partition plates and the number of the upper partition plates are the same as the number of the permanent magnets.
Further, the number of the groove-shaped structures, the number of the lower partition plates, the number of the upper partition plates and the number of the permanent magnets are all 12.
Further, the internal diameter of the installation auxiliary sleeve is the same as the external diameter of a boss at the upper end of the mover framework of the actuator, so that the installation auxiliary sleeve is convenient to install in a matched mode through an inner hole of the installation auxiliary sleeve and the boss of the mover framework.
According to another aspect of the invention, the permanent magnet installation tool for the electromagnetic actuator rotor is applied to complete the installation of the permanent magnet of the electromagnetic actuator rotor.
Further, the method comprises the following steps:
coating adhesive on the permanent magnet mounting surface of the actuator rotor framework, and sliding the permanent magnet downwards to the position of the permanent magnet mounting surface of the rotor framework along the outer surface of the mounting auxiliary sleeve along the partition plates on the two sides;
continuing to push the permanent magnet downwards until the permanent magnet is adsorbed on the upper surface of the circular ring at the lower end of the rotor framework;
after all the permanent magnets are installed on the rotor framework, all the upper partition plates are taken out, and the surfaces of the permanent magnets and the redundant adhesive on the actuator rotor framework are cleaned by alcohol;
and after the adhesive is solidified, taking out the actuator rotor framework provided with the permanent magnet, and finishing the installation process.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
(1) according to the tool, the permanent magnets are limited through the lower partition plate and the outer limiting sleeve, so that the problem that the permanent magnets installed on the mover framework of the actuator are shifted due to repulsive force between adjacent magnets can be solved, the installation of other permanent magnets can be facilitated, and the problem that the last two permanent magnets cannot be installed due to mutual repulsion caused by uneven gaps is solved.
(2) According to the tool, the installation auxiliary sleeve made of the non-magnetic material is clamped on the rotor framework, and the permanent magnet slides to the permanent magnet installation surface of the rotor framework along the installation auxiliary sleeve, so that the operability and safety of the permanent magnet installation process can be improved, and the problem that the permanent magnet is adsorbed to the upper end face of the rotor framework in the installation process is solved.
(3) The tool has the advantages of simple structure, convenience in operation, time and labor conservation, great reduction in cost and good engineering application value.
(4) The method of the invention adopts a method of slotting on the actuator rotor framework and installing the lower partition plate for limiting, thereby ensuring the consistency of the sizes of the gaps between the adjacent permanent magnets and simultaneously ensuring the accuracy of the relative position of each permanent magnet on the actuator rotor framework.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a permanent magnet installation tool of an electromagnetic actuator mover according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an actuator mover framework related to a permanent magnet installation tool for an electromagnetic actuator mover according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lower partition plate of a permanent magnet installation tool of an electromagnetic actuator mover according to an embodiment of the present invention.
Throughout the drawings, like reference numerals designate like structural elements, and wherein: 1-outer limiting sleeve, 2-actuator rotor framework, 3-lower partition, 4-upper partition, 5-installation auxiliary sleeve and 6-permanent magnet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Fig. 1 is a schematic three-dimensional structure diagram of a permanent magnet installation tool for an electromagnetic actuator mover according to an embodiment of the present invention. As shown in fig. 1, the present invention discloses a permanent magnet installation tool for an electromagnetic actuator mover, including: the structure comprises 1 aluminum alloy outer limiting sleeve 1, 1 actuator rotor framework 2 made of soft magnetic materials, 12 aluminum alloy lower partition plates 3 and 12 aluminum alloy upper partition plates 4, 1 aluminum alloy installation auxiliary sleeve 5 and 12 permanent magnets 6 to be installed.
The outer limiting sleeve 1 is sleeved outside the actuator rotor framework 2, and the outer limiting sleeve and the actuator rotor framework are both placed on the same plane, for example, the same desktop. The gap between the inner surface of the outer limiting sleeve 1 and the permanent magnet mounting surface of the actuator rotor framework 2 is slightly larger than the thickness of one permanent magnet 6, so that the permanent magnet can be smoothly mounted in the gap, and obvious radial deviation cannot occur. The permanent magnet is limited by the lower partition plate and the outer limiting sleeve, so that the problem that the position of the permanent magnet installed on the mover framework of the actuator deviates due to the repulsive force between adjacent magnets can be solved. In addition, the installation of other permanent magnets can be facilitated, and the problem that the last two permanent magnets cannot be installed due to mutual repulsion caused by uneven gaps is avoided.
Fig. 2 is a schematic structural diagram of an actuator mover framework related to a permanent magnet installation tool for an electromagnetic actuator mover according to an embodiment of the present invention. As shown in fig. 1 and 2, the mounting auxiliary sleeve 5 is mounted on the actuator mover frame 2, and the outer diameter of the mounting auxiliary sleeve is the same as the diameter of the permanent magnet mounting surface of the actuator mover frame 2, so that the permanent magnet 6 can slide onto the permanent magnet mounting surface of the mover frame 2 along the outer surface of the mounting auxiliary sleeve 5 during the mounting process. The inner diameter of the installation auxiliary sleeve 5 is the same as the outer diameter of a boss at the upper end of the rotor framework 2 of the actuator, so that the installation auxiliary sleeve 5 can be conveniently installed through the matching between the inner hole of the installation auxiliary sleeve and the boss of the rotor framework 2.
The outer surfaces of the actuator rotor framework 2 and the installation auxiliary sleeve 5 are provided with 12 uniformly distributed groove-shaped structural features, and the groove structures of the actuator rotor framework and the installation auxiliary sleeve are vertically aligned. Each group of grooves is provided with a lower clapboard 3 and an upper clapboard 4. The arc length of the arc surface between two adjacent grooves on the actuator rotor framework 2 is slightly larger than the arc length of the inner surface of the permanent magnet 6 to be installed, so that the permanent magnet can be smoothly installed between two adjacent partition plates. The actuator rotor framework is provided with the grooves, the lower partition plates are arranged on the grooves, and the limiting method is adopted, so that the consistency of the sizes of the gaps between the adjacent permanent magnets is ensured, and the accuracy of the relative position of each permanent magnet on the actuator rotor framework is also ensured.
Fig. 3 is a schematic structural diagram of a lower partition plate of a permanent magnet installation tool of an electromagnetic actuator mover according to an embodiment of the present invention. As shown in fig. 3, the permanent magnets 6 are limited by the lower partition plate 3 and the outer limiting sleeve 1, so that the problem that adjacent permanent magnets are difficult to install due to mutual repulsive force is solved, and the accuracy of the relative position of each permanent magnet on the actuator rotor frame 2 is ensured.
According to the tool, the installation auxiliary sleeve made of the non-magnetic material is clamped on the rotor framework, and the permanent magnet slides to the permanent magnet installation surface of the rotor framework along the installation auxiliary sleeve, so that the operability and safety of the permanent magnet installation process can be improved, and the problem that the permanent magnet is adsorbed to the upper end face of the rotor framework in the installation process is solved.
The actuator rotor magnet is formed by splicing 12 equal-size tile-shaped permanent magnets 6 which are magnetized in the radial direction, and the effect of a cylindrical permanent magnet is further realized.
According to one embodiment of the invention, the permanent magnet 6 is installed on the actuator rotor framework 2 by using the permanent magnet installation tool disclosed by the invention, and the method specifically comprises the following steps:
(1) coating an adhesive on a permanent magnet mounting surface of an actuator rotor framework 2, and sliding a permanent magnet 6 downwards along the outer surface of an auxiliary mounting sleeve 5 along the partition plates 4 on the two sides to the position of the permanent magnet mounting surface of the actuator rotor framework 2;
(2) continuing to push the permanent magnet 6 downwards until the permanent magnet is adsorbed on the upper surface of the circular ring at the lower end of the rotor framework 2;
(3) after all the permanent magnets 6 are arranged on the rotor framework 2, all the upper partition plates 4 are taken out, and simultaneously, the surfaces of the permanent magnets 6 and the redundant adhesives on the actuator rotor framework 2 are cleaned by alcohol;
(4) and after the adhesive is solidified, taking out the actuator rotor framework provided with the permanent magnet, and finishing the installation process.
The method of the invention adopts a method of slotting on the actuator rotor framework and installing the lower partition plate for limiting, thereby ensuring the consistency of the sizes of the gaps between the adjacent permanent magnets and simultaneously ensuring the accuracy of the relative position of each permanent magnet on the actuator rotor framework.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A permanent magnet installation tool for an electromagnetic actuator rotor is characterized by comprising an outer limiting sleeve (1), an actuator rotor framework (2), a lower partition plate (3), an upper partition plate (4) and an installation auxiliary sleeve (5);
the outer limiting sleeve (1) is sleeved outside the actuator rotor framework (2), and both the outer limiting sleeve and the actuator rotor framework are placed on the same plane;
the gap between the inner surface of the outer limiting sleeve (1) and the permanent magnet mounting surface of the actuator rotor framework (2) is slightly larger than the thickness of one permanent magnet (6), so that the permanent magnet (6) is smoothly mounted in the gap, and obvious radial offset cannot occur;
a plurality of groove-shaped structures are uniformly distributed on the outer circumferences of the actuator rotor framework (2) and the installation auxiliary sleeve (5), the groove-shaped structures on the actuator rotor framework (2) and the installation auxiliary sleeve (5) are aligned up and down, a lower partition plate (3) and an upper partition plate (4) are arranged in each group of grooves, and the lower partition plate (3) and the upper partition plate (4) are used for separating adjacent permanent magnets (6) to avoid mutual repulsion;
the arc length of an arc surface between two adjacent groove-shaped structures on the actuator rotor framework (2) is slightly larger than the arc length of the inner surface of the permanent magnet (6) to be installed, so that the permanent magnet (6) is ensured to be smoothly installed between two adjacent lower partition plates (3) or two adjacent upper partition plates (4);
install on actuator active cell skeleton (2) installation auxiliary sleeve (5), its external diameter with the diameter of the permanent magnet installation face of actuator active cell skeleton (2) is the same, thereby makes permanent magnet (6) can be in the installation along the surface slip of installation auxiliary sleeve (5) to on the permanent magnet installation face of active cell skeleton (2), the internal diameter of installation auxiliary sleeve (5) is the same with the external diameter of actuator active cell skeleton (2) upper end boss to make installation auxiliary sleeve (5) can be through the convenient installation of cooperation between its hole and active cell skeleton (2) boss, thereby realize the multi-disc the accurate positioning and the installation of permanent magnet (6).
2. The tool for installing the permanent magnet of the active cell of the electromagnetic actuator according to claim 1, wherein the number of the groove-shaped structures, the number of the lower partition plates (3), and the number of the upper partition plates (4) are the same as the number of the permanent magnets (6).
3. The tool for installing the permanent magnet of the active cell of the electromagnetic actuator according to claim 2, wherein the number of the groove-shaped structures, the number of the lower partition plates (3), the number of the upper partition plates (4) and the number of the permanent magnets (6) are all 12.
4. A permanent magnet installation method of an electromagnetic actuator rotor is characterized by being completed by applying the permanent magnet installation tool of the electromagnetic actuator rotor as claimed in any one of claims 1 to 3.
5. The method for mounting a permanent magnet of an electromagnetic actuator mover according to claim 4, comprising the steps of:
(1) coating an adhesive on a permanent magnet mounting surface of an actuator rotor framework (2), and sliding a permanent magnet (6) downwards to the position of the permanent magnet mounting surface of the actuator rotor framework (2) along the outer surface of an auxiliary mounting sleeve (5) along two side clapboards (4);
(2) continuously pushing the permanent magnet (6) downwards until the permanent magnet is adsorbed on the upper surface of a circular ring at the lower end of the rotor framework (2);
(3) after all the permanent magnets (6) are installed on the rotor framework (2), all the upper partition plates (4) are taken out, and simultaneously, the surfaces of the permanent magnets (6) and the redundant adhesives on the actuator rotor framework (2) are cleaned by alcohol;
(4) and after the adhesive is solidified, taking out the actuator rotor framework (2) provided with the permanent magnet, and finishing the installation process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612379.5A CN107378460B (en) | 2017-07-25 | 2017-07-25 | Permanent magnet installation tool and method for rotor of electromagnetic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612379.5A CN107378460B (en) | 2017-07-25 | 2017-07-25 | Permanent magnet installation tool and method for rotor of electromagnetic actuator |
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| Publication Number | Publication Date |
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| CN107378460A CN107378460A (en) | 2017-11-24 |
| CN107378460B true CN107378460B (en) | 2020-01-14 |
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| CN201710612379.5A Active CN107378460B (en) | 2017-07-25 | 2017-07-25 | Permanent magnet installation tool and method for rotor of electromagnetic actuator |
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| CN201869054U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Tool for installing magnetic steel of rotor of permanent magnet generator |
| CN202616900U (en) * | 2012-04-02 | 2012-12-19 | 诸暨和创电机科技有限公司 | Permanent magnet installation device for wind-driven generator |
| CN203416063U (en) * | 2013-08-30 | 2014-01-29 | 维尔纳（福建）电机有限公司 | Permanent magnetism motor magnetic steel installation fixation holder and permanent magnetism motor magnetic cylinder having same |
| CN103730969A (en) * | 2013-12-19 | 2014-04-16 | 新安乃达驱动技术(上海)有限公司 | Spliced block type tangential magnetizing brushless motor rotor structure with built-in magnetic steel and method |
| CN203883634U (en) * | 2014-05-16 | 2014-10-15 | 常州市武进金宝电机有限公司 | Rotor steel magnet positioning pasting device |
| CN105896843A (en) * | 2016-05-11 | 2016-08-24 | 山东理工大学 | Method for producing rotor of embedded combined permanent magnetic pole and electromagnetic composite excitation power generation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10271785A (en) * | 1997-03-21 | 1998-10-09 | Shindengen Electric Mfg Co Ltd | Rotary permanent magnet type electromagnetic actuator and manufacture thereof |
| JP5589418B2 (en) * | 2010-02-10 | 2014-09-17 | 富士電機株式会社 | Method for manufacturing permanent magnet rotating machine |
-
2017
- 2017-07-25 CN CN201710612379.5A patent/CN107378460B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201869054U (en) * | 2010-11-30 | 2011-06-15 | 东方电气集团东方电机有限公司 | Tool for installing magnetic steel of rotor of permanent magnet generator |
| CN202616900U (en) * | 2012-04-02 | 2012-12-19 | 诸暨和创电机科技有限公司 | Permanent magnet installation device for wind-driven generator |
| CN203416063U (en) * | 2013-08-30 | 2014-01-29 | 维尔纳（福建）电机有限公司 | Permanent magnetism motor magnetic steel installation fixation holder and permanent magnetism motor magnetic cylinder having same |
| CN103730969A (en) * | 2013-12-19 | 2014-04-16 | 新安乃达驱动技术(上海)有限公司 | Spliced block type tangential magnetizing brushless motor rotor structure with built-in magnetic steel and method |
| CN203883634U (en) * | 2014-05-16 | 2014-10-15 | 常州市武进金宝电机有限公司 | Rotor steel magnet positioning pasting device |
| CN105896843A (en) * | 2016-05-11 | 2016-08-24 | 山东理工大学 | Method for producing rotor of embedded combined permanent magnetic pole and electromagnetic composite excitation power generation device |
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| CN107378460A (en) | 2017-11-24 |
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