CN114094781A - Convenient and universal motor rotor surface-mounted magnetic steel assembly tool and assembly method - Google Patents
Convenient and universal motor rotor surface-mounted magnetic steel assembly tool and assembly method Download PDFInfo
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- CN114094781A CN114094781A CN202210073972.8A CN202210073972A CN114094781A CN 114094781 A CN114094781 A CN 114094781A CN 202210073972 A CN202210073972 A CN 202210073972A CN 114094781 A CN114094781 A CN 114094781A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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Abstract
The invention discloses a convenient and universal motor rotor surface-mounted magnetic steel assembly tool and an assembly method, and solves the problem of how to improve the surface-mounted efficiency of a magnetic steel block. The front side and the rear side of the bottom end of the right-angled triangle support (4) are fixedly connected with support fixing blocks (6), the opening of each support fixing block (6) faces to the right, a U-shaped slotted hole (7) is formed, a support fixing bolt is arranged between the U-shaped slotted hole (7) and a magnetic steel box cover body connecting screw hole (3) below the support fixing block (6), an aluminum square sliding barrel (5) is fixedly connected onto an inclined plane of the right-angled triangle support (4), aluminum horizontal T-shaped baffles (8) are arranged on the front side and the rear side of a lower end outlet of the square sliding barrel (5), and a first magnetic steel block (9) slides to a magnetic steel surface-pasting position on the right side of the right-angled triangle support (4) through the square sliding barrel (5); the work efficiency is improved, and the labor intensity is reduced.
Description
Technical Field
The invention relates to a motor rotor surface-mounted magnetic steel assembly tool, in particular to a convenient and universal motor rotor surface-mounted magnetic steel assembly tool and an assembly method thereof.
Background
The rotor of the marine permanent magnet synchronous motor is a magnetic rotor, and the rotor magnetic steel is of a surface-mounted structure; in a production field, when the rotor is assembled with the surface-mounted magnetic steel blocks, the repulsion force between the two magnetic steel blocks is strong when the magnetic steel blocks with the same polarity in each magnetic pole groove are close to each other, so that the surface mounting difficulty of the magnetic steel blocks is directly caused; meanwhile, because the depth of the magnetic slot on the surface of the rotor iron core is only about 1 mm, the attraction of the opposite magnetic pole blocks in the two adjacent magnetic poles can easily cause the magnetic pole blocks in surface-mounted propulsion and side turning easily occurs; the prior operation process of surface mounting of the magnetic steel block of the magnetic rotor is as follows: the end part of the rotor is connected with an aluminum channel steel, the end part of the aluminum channel steel is provided with an end plate for fixing a lead screw nut, a lead screw is screwed on the end plate of the lead screw nut, magnetic steel blocks are placed in an aluminum groove, the lead screw is rotated to push the magnetic steel blocks in the aluminum groove to enter the magnetic groove on the surface of a rotor iron core, the magnetic steel blocks are manually pushed into the magnetic steel groove, the magnetic steel blocks are propped against the magnetic steel blocks through a lead screw to offset repulsive force between the magnetic steel blocks with the same polarity, then, a magnetic steel box cover body is arranged on each magnetic steel block, and each magnetic steel block is limited and fixed on the surface of the rotor; the surface pasting method of the magnetic steel has the defects of high labor intensity of field workers in operation and low surface pasting efficiency of the magnetic steel blocks, particularly, the defects are more obvious when the magnetic poles are more, and the used tool is complex to disassemble and assemble, takes time and is labor-consuming; how to improve the surface mounting efficiency and develop a surface mounting tool of a general magnetic steel block becomes a problem to be solved in the motor production process.
Disclosure of Invention
The invention provides a convenient and universal motor rotor surface-mounted magnetic steel assembly tool and an assembly method, and solves the technical problems of how to improve the surface-mounted efficiency of a magnetic steel block and how to develop a universal magnetic steel block surface-mounted tool.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: designing a square sliding barrel made of magnet isolation aluminum, fixing the square sliding barrel on an inclined triangular support, arranging support fixing blocks on two sides of the bottom end of the triangular support, fixedly connecting the triangular support with the square sliding barrel to the surface of a stator iron core on one side of a magnet steel surface pasting position by utilizing screw holes of existing magnet steel box cover bodies at two ends of a magnet slot on the surface of a rotor iron core, placing a magnet steel block pasted on the surface into the square sliding barrel made of magnet isolation aluminum, sliding the magnet steel block to the pasting position in the magnet slot through the square sliding barrel, installing the magnet steel box cover body of the magnet steel block, and fixing the pasted magnet steel block; then, the triangular bracket with the square sliding barrel moves backwards along the magnetic steel groove to the rear side of the position of the second magnetic steel block surface-mounted magnetic steel, and then the second magnetic steel block is placed into the square sliding barrel, and the steps are repeated so as to finish the surface mounting of all the magnetic steel blocks in the magnetic steel groove.
A convenient and universal motor rotor surface-mounted magnetic steel assembly tool comprises a rotor core, a right-angled triangle bracket and a first magnetic steel block, wherein a magnetic steel block surface-mounted magnetic slot is arranged on the rotor core, magnetic steel box cover body connecting screw holes are arranged on the surfaces of the rotor core at the front side and the rear side of the magnetic slot surface-mounted magnetic slot at equal intervals, bracket fixing blocks are fixedly connected on the front side and the rear side of the bottom end of the right-angled triangle bracket, a U-shaped slotted hole is arranged on the bracket fixing block with the opening facing right, a bracket fixing bolt is arranged between the U-shaped slotted hole and the magnetic steel box cover body connecting screw hole below the bracket fixing block, an aluminum square sliding barrel is fixedly connected on the inclined plane of the right-angled triangle bracket, horizontal T-shaped baffles are arranged on the front side and the rear side of the outlet at the lower end of the square sliding barrel, the first magnetic steel block is placed into the square sliding barrel from the upper end port of the square sliding barrel, the first magnetic steel block slides to the magnetic steel surface-mounted position on the right side of the right-angled triangle support through the square sliding barrel.
A screw rod vertical plate is in threaded connection with a screw hole on a vertical plate of the right-angled triangular support, a screw rod lower base plate is in threaded connection with a screw hole on an inclined lower base plate of the square sliding barrel, and a screw rod in the horizontal direction is in threaded connection between the screw rod vertical plate threaded connection with the screw hole and the screw rod lower base plate threaded connection with the screw hole; the base angle of the right-angled triangle support is 45 degrees.
A convenient and universal magnetic steel block surface-mounting method for a motor rotor surface-mounting type magnetic steel assembly tool is characterized by comprising the following steps:
firstly, placing a right-angled triangular support on the left side of a first magnetic steel block surface-mounting position on a magnetic steel block surface-mounting magnetic groove corresponding to a surface-mounting magnetic steel pole, and fixing the right-angled triangular support by penetrating a support fixing bolt between a U-shaped groove hole and a magnetic steel box cover body connecting screw hole below a support fixing block;
secondly, placing the first magnetic steel block into an upper port of a square sliding barrel, wherein the square sliding barrel is made of aluminum and has a magnetic isolation effect, and the first magnetic steel block slides to a first magnetic steel block surface pasting position in a magnetic steel block surface pasting magnetic slot along the square sliding barrel;
thirdly, after the fixing bolt of the right-angled triangle support is removed, the right-angled triangle support is moved leftwards to the magnetic steel block surface-mounted magnetic groove on the left side of the surface-mounted position of the second magnetic steel block, and a distance gap is formed between the bottom of the U-shaped groove hole and the connecting screw hole of the magnetic steel box cover body below the support fixing block at the moment; the bracket fixing bolt is penetrated between the U-shaped slotted hole and the connecting screw hole of the magnetic steel box cover body, and the right-angled triangular bracket is fixed;
fourthly, placing the magnetic steel box cover body on the first magnetic steel block, and after the magnetic steel box cover body fixing bolt penetrates through the bolt hole on the magnetic steel box cover body fixing lug, screwing the magnetic steel box cover body fixing bolt with the magnetic steel box cover body connecting bolt hole right below the magnetic steel box cover body fixing lug together to limit and fix the first magnetic steel block;
fifthly, placing a second magnetic steel block into the upper port of the square sliding barrel, sliding the second magnetic steel block along the square sliding barrel to the surface mounting position of the second magnetic steel block in the magnetic steel block surface mounting magnetic slot, and enabling a gap to exist between the first magnetic steel block and the second magnetic steel block due to the repulsive force existing between the first magnetic steel block and the second magnetic steel block;
sixthly, penetrating a screw rod between a screw hole of a screw rod vertical plate and a screw hole of a screw rod lower bottom plate from left to right, rotating the screw rod to enable the right end of the screw rod to be abutted against the left vertical surface of a second magnetic steel block, continuously rotating the screw rod, overcoming the repulsive force between the two magnetic steel blocks by the screw rod, butting and connecting the second magnetic steel block and a first magnetic steel block together, then installing a second magnetic steel box cover body on the second magnetic steel block, and limiting and fixing the second magnetic steel block;
seventhly, reversely rotating the screw rod to enable the right end of the screw rod to withdraw from a screw hole formed in the lower bottom plate of the screw rod in a threaded manner, then removing a fixing bolt of the right-angled triangular support, and moving the right-angled triangular support to the magnetic steel block surface-mounted magnetic slot on the left side of the surface-mounted position of the third magnetic steel block leftwards; and repeating the steps to finish the surface mounting and installation work of all the magnetic steel blocks in the magnetic steel block surface mounting magnetic slot.
And after the surface pasting of all the magnetic steel blocks in the magnetic steel block surface pasting magnetic grooves is finished, starting to carry out the surface pasting work of the magnetic steel blocks in another magnetic steel block surface pasting magnetic groove spaced from the magnetic steel block surface pasting magnetic groove.
The tool has simple structure, greatly shortens the pushing distance when the magnetic steel is pasted on the surface, improves the working efficiency, reduces the labor intensity, and is suitable for the magnetic steel surface pasting of various motors.
Drawings
FIG. 1 is a schematic structural diagram of the present invention when a first magnetic steel block 9 is surface-mounted;
FIG. 2 is a schematic structural diagram of the present invention when the second magnetic steel block 15 is surface-mounted;
fig. 3 is a schematic structural diagram of the screw 17 of the present invention when abutting the first magnetic steel block 9 and the second magnetic steel block 15;
FIG. 4 is a schematic structural view of the right triangle bracket 4 and the square slide barrel 5 of the present invention;
FIG. 5 is a schematic structural view of the magnetic steel cartridge housing 12 of the present invention;
fig. 6 is a schematic structural view of the first magnetic steel block 9 of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a convenient and universal motor rotor surface-mounted magnetic steel assembly tool comprises a rotor core 1, a right-angled triangle support 4 and a first magnetic steel block 9, wherein a magnetic steel block surface-mounted magnetic slot 2 is arranged on the outer circle surface of the rotor core 1, and the magnetic steel block surface-mounted magnetic slots 2 are arranged in parallel at equal intervals in radian along the left and right directions; on the rotor core surface of the front side and the back side of each magnetic steel block surface-mounted magnetic slot 2, namely on the rotor core surface between two adjacent magnetic steel block surface-mounted magnetic slots 2, magnetic steel box cover body connecting screw holes 3 are arranged at equal intervals, support fixing blocks 6 are fixedly connected on the front side and the back side of the bottom end of a right-angled triangular support 4, a U-shaped slotted hole 7 is arranged on the support fixing block 6 with an opening facing to the right, a support fixing bolt is arranged between the U-shaped slotted hole 7 and the magnetic steel box cover body connecting screw holes 3 below the support fixing block 6, an aluminum square sliding barrel 5 is fixedly connected on the inclined plane of the right-angled triangular support 4, the aluminum square sliding barrel 5 has a magnetism isolating function, and after the magnetic steel blocks are placed in the square sliding barrel, the magnetic steel blocks can freely slide down like a sliding ladder; aluminum horizontal T-shaped baffles 8 are arranged on the front side and the rear side of the outlet at the lower end of the square sliding barrel 5, and the two parallel baffles can play a role in isolating the magnetic steel between the two baffles from the magnetic steel in the adjacent magnetic grooves so as to prevent the magnetic steel which is installed between the two baffles from turning over; the first magnetic steel block 9 is placed into the square sliding cylinder 5 from the upper port of the square sliding cylinder 5, and the first magnetic steel block 9 slides to the magnetic steel surface-mounted position on the right side of the right-angled triangular support 4 through the square sliding cylinder 5; when the first magnetic steel block 9 slides out of the outlet of the square sliding barrel 5, the rotor core generates suction force on the first magnetic steel block 9, so that the first magnetic steel block 9 is accelerated to be adhered to the magnetic slot 2 along the surface of the magnetic steel block in place, and the two parallel horizontal T-shaped baffles 8 also play a limiting role in the process.
A screw rod vertical plate is in threaded connection with a screw hole 10 on a vertical plate of the right-angled triangular support 4, a screw rod lower base plate is in threaded connection with a screw hole 11 on an inclined lower base plate of the square sliding barrel 5, and a screw rod 17 in the horizontal direction is in threaded connection between the screw hole 10 and the screw hole 11; the base angle of the right-angled triangle support 4 is 45 degrees, and the repeated test verifies that: the inclination angle of the square sliding barrel 5 is 45 degrees, and the square sliding barrel is most suitable for assembling the magnetic steel.
A convenient and universal magnetic steel block surface-mounting method for a motor rotor surface-mounting type magnetic steel assembly tool is characterized by comprising the following steps:
firstly, placing a right-angled triangular support 4 on the left side of a surface-mounted position of a first magnetic steel block 9 on a magnetic steel block surface-mounted magnetic slot 2 corresponding to a surface-mounted magnetic steel pole, penetrating a support fixing bolt between a U-shaped slot hole 7 and a magnetic steel box cover body connecting screw hole 3 below a support fixing block 6, and fixing the right-angled triangular support 4;
secondly, placing a first magnetic steel block 9 into an upper port of the square sliding cylinder 5, wherein the square sliding cylinder 5 is made of aluminum and has a magnetic isolation effect, and the first magnetic steel block 9 slides along the square sliding cylinder 5 to a surface-mounted position of the first magnetic steel block 9 in the magnetic steel block surface-mounted magnetic slot 2;
thirdly, after the fixing bolt of the right-angled triangle support 4 is removed, the right-angled triangle support 4 is moved leftwards to the magnetic steel block surface-mounted magnetic slot 2 on the left side of the surface-mounted position of the second magnetic steel block 15, and a distance gap 16 is formed between the bottom of the U-shaped slot hole 7 and the magnetic steel box cover body connecting screw hole 3 below the support fixing block 6 at the moment; a bracket fixing bolt is penetrated between the U-shaped slotted hole 7 and the connecting screw hole 3 of the magnetic steel box cover body, and the right-angled triangular bracket 4 is fixed;
fourthly, placing the magnetic steel box cover body 12 on the first magnetic steel block 9, and screwing the magnetic steel box cover body fixing bolt with the magnetic steel box cover body connecting screw hole 3 right below the magnetic steel box cover body fixing lug 13 after the magnetic steel box cover body fixing bolt passes through the bolt hole 14 on the magnetic steel box cover body fixing lug 13, so as to limit and fix the first magnetic steel block 9;
fifthly, placing a second magnetic steel block 15 into the upper port of the square sliding cylinder 5, sliding the second magnetic steel block 15 along the square sliding cylinder 5 to the surface-mounted position of the second magnetic steel block 15 in the magnetic steel block surface-mounted magnetic slot 2, and enabling a gap to exist between the first magnetic steel block 9 and the second magnetic steel block 15 due to the repulsive force existing between the first magnetic steel block 9 and the second magnetic steel block 15;
sixthly, a screw rod 17 is connected between a screw rod vertical plate threaded screw hole 10 and a screw rod lower base plate threaded screw hole 11 in a penetrating mode from left to right, the screw rod is rotated, the right end of the screw rod 17 is abutted to the left side vertical surface of a second magnetic steel block 15, the screw rod 17 is continuously rotated, the screw rod 17 overcomes the repulsive force between the two magnetic steel blocks, the second magnetic steel block 15 is connected with a first magnetic steel block 9 in a butting mode, then a second magnetic steel box cover body 12 is installed on the second magnetic steel block 15, and the second magnetic steel block 15 is limited and fixed;
seventhly, reversely rotating the screw rod 17 to enable the right end of the screw rod 17 to withdraw from the screw hole 11 in the screw rod lower bottom plate, then removing the fixing bolt of the right-angle triangular support 4, and moving the right-angle triangular support 4 to the left of the magnetic steel block surface-mounted magnetic slot 2 on the left side of the surface-mounted position of the third magnetic steel block; repeating the steps to finish the surface mounting work of all the magnetic steel blocks in the magnetic steel block surface mounting magnetic slot 2; the invention realizes that hundreds of pieces of magnetic steel are quickly attached to the surface of the motor rotor through the aluminum bracket and the square sliding cylinder for step-by-step displacement magnetic isolation, and maximally realizes magnetic isolation when each piece of magnetic steel is attached in place, thereby reducing the interference of magnetic force when the magnetic steel is attached, and reducing the difficulty of surface attachment caused by the attraction and repulsion of the magnetic steel by the magnetic force.
When the two spaced magnetic steel blocks are pasted on the surface of the magnetic slot 2, the right-angled triangular bracket 4 can be conveniently arranged in the magnetic steel block pasting slot between the two assembled magnetic steel block surface pasting slots to mount the magnetic steel blocks.
Claims (4)
1. A convenient and universal motor rotor surface-mounted magnetic steel assembly tool comprises a rotor core (1), a right-angled triangle support (4) and a first magnetic steel block (9), wherein a magnetic steel block surface-mounted magnetic groove (2) is arranged on the rotor core (1), magnetic steel box cover body connecting screw holes (3) are arranged on the surfaces of the rotor core at the front side and the rear side of the magnetic steel block surface-mounted magnetic groove (2) at equal intervals, the tool is characterized in that support fixing blocks (6) are fixedly connected with the front side and the rear side of the bottom end of the right-angled triangle support (4), a U-shaped slotted hole (7) is arranged on the support fixing block (6) with an opening facing to the right, a support fixing bolt is arranged between the U-shaped slotted hole (7) and the magnetic steel box cover body connecting screw holes (3) below the support fixing block (6), a square sliding barrel (5) made of aluminum is fixedly connected on the inclined plane of the right-angled triangle support (4), both sides all are provided with horizontal T shape baffle (8) of aluminium system around the lower extreme export of square slide cartridge (5), and square slide cartridge (5) are put into from the last port of square slide cartridge (5) to first piece magnetic steel piece (9), and first piece magnetic steel piece (9) are through square slide cartridge (5), and the landing is on the magnet steel surface mounting position on right-angled triangle support (4) right side.
2. The convenient and universal motor rotor surface-mounted magnetic steel assembly tool is characterized in that a screw rod vertical plate is arranged on a vertical plate of a right-angled triangular support (4) and is in threaded connection with a screw hole (10), a screw rod lower plate is arranged on an inclined lower base plate of a square sliding barrel (5) and is in threaded connection with a screw hole (11), and a screw rod (17) in the horizontal direction is in threaded connection between the screw rod vertical plate and the screw hole (10) and the screw hole (11); the base angle of the right-angled triangle bracket (4) is 45 degrees.
3. The method for surface-mounting the magnetic steel block by using the convenient and universal motor rotor surface-mounted magnetic steel assembly tool as claimed in claim 2 is characterized by comprising the following steps:
firstly, a right-angled triangular support (4) is placed on the left side of the surface-mounted position of a first magnetic steel block (9) on a magnetic steel block surface-mounted magnetic slot (2) corresponding to a surface-mounted magnetic steel pole, a support fixing bolt is connected between a U-shaped slot hole (7) and a magnetic steel box cover body connecting screw hole (3) below a support fixing block (6) in a penetrating manner, and the right-angled triangular support (4) is fixed;
secondly, placing a first magnetic steel block (9) into an upper port of the square sliding cylinder (5), wherein the square sliding cylinder (5) is made of aluminum and has a magnetic isolation effect, and the first magnetic steel block (9) slides down to a surface-mounted position of the first magnetic steel block (9) in the magnetic steel block surface-mounted magnetic slot (2) along the square sliding cylinder (5);
thirdly, after a fixing bolt of the right-angled triangle support (4) is removed, the right-angled triangle support (4) is moved leftwards to the magnetic steel block surface-mounted magnetic groove (2) on the left side of the surface-mounted position of the second magnetic steel block (15), and a distance gap (16) is formed between the groove bottom of the U-shaped groove hole (7) and a magnetic steel box cover body connecting screw hole (3) below the support fixing block (6); a bracket fixing bolt is penetrated between the U-shaped slotted hole (7) and the magnetic steel box cover body connecting screw hole (3) to fix the right-angled triangular bracket (4);
fourthly, placing the magnetic steel box cover body (12) on the first magnetic steel block (9), and after penetrating through the bolt hole (14) on the magnetic steel box cover body fixing lug (13), screwing the magnetic steel box cover body fixing bolt with the magnetic steel box cover body connecting screw hole (3) right below the magnetic steel box cover body fixing lug (13) together to limit and fix the first magnetic steel block (9);
fifthly, placing a second magnetic steel block (15) into the upper port of the square sliding cylinder (5), sliding the second magnetic steel block (15) along the square sliding cylinder (5) to the surface pasting position of the second magnetic steel block (15) in the magnetic steel block surface pasting magnetic groove (2), and enabling a gap to exist between the first magnetic steel block (9) and the second magnetic steel block (15) due to the fact that a repulsive force exists between the first magnetic steel block (9) and the second magnetic steel block (15);
sixthly, a lead screw (17) is connected between a lead screw vertical plate threaded screw hole (10) and a lead screw lower bottom plate threaded screw hole (11) in a penetrating mode from left to right, the lead screw is rotated, the right end of the lead screw (17) is abutted to the left side vertical face of a second magnetic steel block (15), the lead screw (17) is continuously rotated, the lead screw (17) overcomes the repulsive force between the two magnetic steel blocks, the second magnetic steel block (15) is connected with a first magnetic steel block (9) in a butt joint mode, then a second magnetic steel box cover body (12) is installed on the second magnetic steel block (15), and the second magnetic steel block (15) is limited and fixed;
seventhly, reversely rotating the screw rod (17) to enable the right end of the screw rod (17) to withdraw from a screw hole (11) formed in the lower bottom plate of the screw rod in a threaded manner, then removing a fixing bolt of the right-angled triangular support (4), and moving the right-angled triangular support (4) to the left of the surface mounting position of the third magnet steel block to the magnet steel block surface mounting magnetic slot (2); repeating the steps to finish the surface mounting and installation work of all the magnetic steel blocks in the magnetic steel block surface mounting magnetic slot (2).
4. The convenient and universal magnetic steel block surface-mounting method for the motor rotor surface-mounting type magnetic steel assembly tool is characterized in that after all the magnetic steel blocks in the magnetic steel block surface-mounting magnetic grooves (2) are completely surface-mounted, the magnetic steel block surface-mounting work is started in another magnetic steel block surface-mounting magnetic groove spaced from the magnetic steel block surface-mounting magnetic grooves (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073972.8A CN114094781B (en) | 2022-01-21 | 2022-01-21 | Convenient and universal motor rotor surface-mounted magnetic steel assembly tool and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073972.8A CN114094781B (en) | 2022-01-21 | 2022-01-21 | Convenient and universal motor rotor surface-mounted magnetic steel assembly tool and assembly method |
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| Publication Number | Publication Date |
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| CN114094781A true CN114094781A (en) | 2022-02-25 |
| CN114094781B CN114094781B (en) | 2022-05-10 |
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| CN202210073972.8A Active CN114094781B (en) | 2022-01-21 | 2022-01-21 | Convenient and universal motor rotor surface-mounted magnetic steel assembly tool and assembly method |
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| CN114094781B (en) | 2022-05-10 |
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