A method for assembling magnets of permanent magnet motors
An assembly method and magnetic steel technology are applied in the manufacture of stator/rotor bodies, etc., which can solve problems such as equipment safety hazards, low efficiency, and magnetic steel damage, so as to achieve good personnel and equipment safety, improve assembly efficiency, and avoid gradual attenuation Effect
Active Publication Date: 2016-09-21
SHANDONG OURUIAN ELECTRIC
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Problems solved by technology
The disadvantages of this process are: 1) low efficiency; 2) there are hidden dangers to personal safety, often hammered into the hands or fingers are pinched due to the suction force of the magnetic steel; 3) there are hidden dangers to equipment safety, and the brittleness of the magnetic steel is very Large, often cause unnecessary loss due to damage to the magnetic steel due to knocking; 4) It has an impact on the performance of the product, the suction of the magnetic steel will gradually decay under high temperature or external force knocking, such frequent knocking will make The performance of the product deviates greatly from the design value
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[0018] Such as figure 1 As shown, the permanent magnet motor magnetic steel assembly method of the present embodiment requires an assembly tool during implementation, and the assembly tool includes an indexing mechanism 8, the upper surface of the indexing mechanism 8 is connected to the rotor tray 7, and the rotor tray 7 is provided with There is a rotor 6, a hydraulic cylinder 1 is arranged above the magnetic steel groove 4 of the rotor 6, a piston rod 2 is arranged on the hydraulic cylinder 1, and a push rod 3 is connected to the lower end of the piston rod 2, and the push rod 3 The lower end is facing the magnetic steel groove 4. Preferably, the push rod 3 is a non-magnetic push rod. This frock is to connect the non-magnetic push rod 3 with the piston rod 2 of the hydraulic cylinder 1, and the magnetic steel is sent to the position very smoothly under the promotion of the hydraulic pressure. When a slot is filled, the entire rotor 6 and the rotor tray 7 will automatical...
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The invention discloses a method for assembling the magnetic steel of a permanent magnet motor, which includes the following steps: 1. Place the rotor on the rotor tray, start the hydraulic cylinder, and make the piston rod drive the push rod to move down together until it is close to the notch of the magnetic steel and stops ; 2. Adjust the placement angle of the rotor so that the end of the push rod is facing the slot of the magnetic steel; 3. Return the hydraulic cylinder so that the piston rod drives the push rod to leave the slot of the magnetic steel, and put the magnetic steel into the slot of the magnetic steel Step 4: Start the hydraulic cylinder so that the piston rod drives the push rod to press down and push the magnetic steel to slide down along the inner wall of the magnetic steel groove until it reaches the set position of the magnetic steel; 5. Return the hydraulic cylinder and put it into the second piece The magnetic steel repeats the above steps one to four cycles until a magnetic steel tank is filled. The use of the permanent magnet motor magnet assembly method of the present invention greatly improves the magnet assembly efficiency of the permanent magnet motor rotor, improves the safety of personnel and equipment, and avoids the gradual attenuation of the suction force of the magnet during manual operation under the condition of external force knocking , The performance of the product is good.
Description
technical field [0001] The invention relates to the field of assembling magnets of permanent magnet motors, in particular to a method for assembling magnets of permanent magnet motors. Background technique [0002] There are two methods of placing the magnetic steel of the existing permanent magnet motor rotor: built-in and surface-mounted. The traditional assembly process of the rotor magnet in the built-in method is to use a non-magnetic push rod to withstand the magnet at one end, and hit the other end with a hand hammer to send the magnet to the position bit by bit. The disadvantages of this process are: 1) low efficiency; 2) there are hidden dangers to personal safety, often hammered into the hands or fingers are pinched due to the suction force of the magnetic steel; 3) there are hidden dangers to equipment safety, and the brittleness of the magnetic steel is very Large, frequent damage to the magnetic steel due to knocking and unnecessary losses; 4) It has an impact ...
Claims
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IPC IPC(8): H02K15/03
Inventor 张兆宇赵海宁苏金双刘东旭
Owner SHANDONG OURUIAN ELECTRIC