Permanent magnet motor rotor quality detection device

Abstract

The utility model provides a permanent magnet motor rotor quality detection device, which relates to the technical field of quality detection and comprises a test box, four ends of the bottom of the test box are provided with supports, one end of the surface of the test box is provided with a closed safety door, and two ends of the top of an inner cavity of the test box are provided with sliding frames. Fixing devices are arranged at two ends of the bottom of the inner cavity of the test box. According to the utility model, the two ends of a motor rotor to be subjected to compression resistance detection are placed inside the four clamping plates, the first electric telescopic rod is electrically connected with the controller, the controller controls the first electric telescopic rod to be started, the first electric telescopic rod drives the clamping plates to fix the two ends of the motor rotor, and the hydraulic rod pressure sensing probes are electrically connected with the controller. The controller controls and starts the hydraulic rod to extend downwards, the hydraulic rod drives the pressure sensing probe to extend synchronously, and the effect of applying pressure to the motor rotor is achieved through the distance between the pressure sensing probe and the motor rotor.

Description

Technical Field

[0001] The utility model relates to the technical field of quality detection, in particular to a permanent magnet motor rotor quality detection device. Background Art

[0002] Rotor is a physical term, which refers to a rotating body supported by bearings, such as an object without a rotating axis, such as a CD. When it adopts a rigid connection or an additional shaft, it can be regarded as a rotor. The stator is the stationary part of the motor. In the production process of motor rotors, quality inspection is an indispensable part. At present, motor rotor quality inspection devices are generally used to inspect its quality.

[0003] In the prior art, since the sizes of the two ends of the permanent magnet motor rotor are diverse, some of the existing permanent magnet motor rotor quality detection devices are not convenient for adjusting and fixing the different sizes of the two ends when performing bending strength detection on the permanent magnet motor rotor, which is inconvenient to use; and it is easy to generate flying debris when performing bending strength detection on the permanent magnet motor rotor, and the flying debris can easily injure the staff, which has low safety. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a permanent magnet motor rotor quality detection device, comprising: a test box, four ends of the bottom of the test box are installed with brackets, one end of the surface of the test box is installed with a closed safety door, two ends of the top of the inner cavity of the test box are installed with slides, two ends of the bottom of the inner cavity of the test box are provided with fixing devices, a connecting frame is installed through the center of the bottom of the inner cavity of the test box, and two ends of the bottom of the slide are installed with triangular connecting blocks.

[0006] As a preferred embodiment, the fixing device includes two fixing plates, one end of the surface of the two fixing plates is embedded with an electric telescopic rod, the output ends of the two electric telescopic rods are installed with clamping plates, and the bottoms of the two fixing plates are installed at one end of the bottom of the inner cavity of the test box.

[0007] As a preferred embodiment, monitors are installed at the bottom of the two triangular connecting blocks, a display is installed at one end of the test box surface, a controller is installed at one end of the display surface, and one side of the controller surface is mounted on the surface of the test box.

[0008] As a preferred embodiment, a sliding block is movably embedded in the inner cavity of the slide, an electric telescopic rod 2 is installed at one end of the sliding block surface, a driven telescopic rod is installed at the other end of the sliding block surface, a hydraulic rod is embedded and installed at the bottom of the sliding block, and a pressure sensing probe is installed at the output end of the hydraulic rod.

[0009] As a preferred embodiment, one end of the second surface of the electric telescopic rod is installed at one end of the inner cavity of the test box, and one end of the surface of the driven telescopic rod is installed at the other end of the inner cavity of the test box.

[0010] As a preferred implementation, a collection box is embedded in the inner cavity of the connecting frame.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] 1. In the utility model, the two ends of the motor rotor that need to be tested for compression resistance are placed inside four clamping plates, and the electric telescopic rod 1 is electrically connected to the controller. The electric telescopic rod 1 is turned on by the controller, and the electric telescopic rod 1 drives the clamping plates to fix the two ends of the motor rotor, so that the clamping plates can be adjusted according to the size of the two ends of the permanent magnet motor rotor for clamping and fixing. Through this structure, permanent magnet motor rotors with different sizes at both ends can be fixed, thereby improving the practicality of the equipment.

[0013] 2. In the utility model, the monitor is electrically connected to the monitor and the display. The staff turns on the monitor through the controller. The monitor detects the situation of the inner cavity of the test box and displays it through the display. The staff can observe the situation of the inner cavity of the test box through the display. When it is detected that unqualified products are splashing, the splashed debris will fall into the inside of the collection box for easy cleaning. After the detection is completed, the staff can open the closed safety door through the handle to take out the motor rotor. This structure avoids the problem of splashing debris when the motor rotor is subjected to bending strength testing. The splashing debris can easily injure the staff and cause low safety. This structure is an overall closed detection, which improves the safety during the detection process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an external view of a permanent magnet motor rotor quality detection device provided by the utility model;

[0015] Figure 2 A detailed diagram of a fixing device of a permanent magnet motor rotor quality detection device provided by the utility model;

[0016] Figure 3 This is an internal bottom view of a permanent magnet motor rotor quality detection device provided by the utility model;

[0017] Figure 4 This is an internal plan view of a permanent magnet motor rotor quality detection device provided by the utility model;

[0018] Figure 5 A sliding block connection diagram of a permanent magnet motor rotor quality detection device provided by the utility model;

[0019] Figure 6 A hydraulic rod connection diagram of a permanent magnet motor rotor quality detection device provided by the utility model;

[0020] Figure 7 This is a slice diagram of a sliding block and a slide frame of a permanent magnet motor rotor quality detection device provided by the utility model.

[0021] Legend:

[0022] 1. Test box; 101. Bracket; 102. Closed safety door; 2. Fixing device; 201. Fixing plate; 202. Electric telescopic rod 1; 203. Clamp; 3. Slide; 301. Sliding block; 302. Electric telescopic rod 2; 303. Driven telescopic rod; 304. Hydraulic rod; 305. Pressure sensing probe; 4. Triangular connecting block; 401. Monitor; 402. Display; 403. Controller; 5. Connecting rack; 501. Collection box. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-7 The utility model provides a technical solution: a permanent magnet motor rotor quality detection device, comprising: a test box 1, four ends of the bottom of the test box 1 are installed with brackets 101, one end of the surface of the test box 1 is installed with a closed safety door 102, slides 3 are installed at both ends of the top of the inner cavity of the test box 1, both ends of the bottom of the inner cavity of the test box 1 are provided with fixing devices 2, a connecting frame 5 is installed through the center of the bottom of the inner cavity of the test box 1, and triangular connecting blocks 4 are installed at both ends of the bottom of the slide 3.

[0025] Specifically: the fixing device 2 is used to clamp and fix motor rotors of different diameters, and the triangular connecting block 4 is used to monitor the interior of the test box 1. This structure improves the practicability of the equipment.

[0026] In one embodiment, the fixing device 2 includes two fixing plates 201, and an electric telescopic rod 202 is embedded and installed at one end of the surface of the two fixing plates 201, and a clamping plate 203 is installed at the output end of the two electric telescopic rods 202, and the bottom of the two fixing plates 201 is installed at one end of the bottom of the inner cavity of the test box 1.

[0027] Specifically: the inner cavities of the two fixing plates 201 are embedded with electric telescopic rods 202, which are electrically connected to the controller 403. The controller 403 controls the start of the electric telescopic rod 202, and the output ends of the two electric telescopic rods 202 drive the two clamping plates 203 to clamp inward, thereby fixing the motor rotor. This structure achieves the effect of clamping motor rotors of different diameters.

[0028] In one embodiment, a monitor 401 is installed at the bottom of the two triangular connecting blocks 4, a display 402 is installed at one end of the surface of the test box 1, a controller 403 is installed at one end of the surface of the display 402, and one side of the surface of the controller 403 is installed on the surface of the test box 1.

[0029] Specifically: the monitor 401 is electrically connected to the display 402. When the monitor 401 is turned on, the monitored image will be displayed through the display 402. The monitor 401 is electrically connected to the controller 403. The controller 403 controls the turning on of the monitor 401. This structure achieves the effect of monitoring and observing the inside of the test box 1, so that the test box 1 can be closed, thereby protecting the personal safety of the staff.

[0030] In one embodiment, a sliding block 301 is movably embedded in the inner cavity of the slide 3, an electric telescopic rod 302 is installed at one end of the surface of the sliding block 301, a driven telescopic rod 303 is installed at the other end of the surface of the sliding block 301, a hydraulic rod 304 is embedded and installed at the bottom of the sliding block 301, and a pressure sensing probe 305 is installed at the output end of the hydraulic rod 304.

[0031] Specifically, the second electric telescopic rod 302 and the driven telescopic rod 303 are connected to both ends of the surface of the sliding block 301, and the second electric telescopic rod 302 and the driven telescopic rod 303 are installed on both sides of the inner cavity of the test box 1. This structure enhances the connectivity of the device.

[0032] In one embodiment, one end of the surface of the electric telescopic rod 2 302 is installed at one end of the inner cavity of the test box 1 , and one end of the surface of the driven telescopic rod 303 is installed at the other end of the inner cavity of the test box 1 .

[0033] Specifically: the electric telescopic rod 302 is electrically connected to the controller 403. The electric telescopic rod 302 is started by the controller 403. The electric telescopic rod 302 drives the sliding block 301 to extend. At this time, the driven telescopic rod 303 will shrink according to the output distance of the electric telescopic rod 302. At the same time, the two ends of the surface of the sliding block 301 will be movably embedded in the inner cavity of the slide 3. Through this structure, the position of the hydraulic rod 304 can be adjusted, and different positions of the motor rotor can be detected, thereby improving the practicality of the equipment.

[0034] In one embodiment, a collection box 501 is embedded in the inner cavity of the connecting frame 5 .

[0035] Specifically, the connecting frame 5 is connected to the test box 1 , and the collecting box 501 is embedded in the inner cavity of the connecting frame 5 , so as to collect the flying debris in the inner cavity of the test box 1 .

[0036] Working principle: Place the two ends of the permanent magnet motor rotor that needs to be tested for compression resistance inside the four clamping plates 203, the electric telescopic rod 202 is electrically connected to the controller 403, and the electric telescopic rod 202 is controlled by the controller 403 to open, and the electric telescopic rod 202 drives the clamping plates 203 to fix the two ends of the permanent magnet motor rotor, so that the clamping plates 203 can be adjusted according to the size of the two ends of the permanent magnet motor rotor for clamping and fixing, the hydraulic rod 304 pressure sensor probe 305 are all electrically connected to the controller 403, and the controller 403 controls the start of the electric telescopic rod 202. The hydraulic rod 304 extends downward, and the hydraulic rod 304 drives the pressure sensing probe 305 to extend synchronously, and the pressure is exerted on the permanent magnet motor rotor through the distance between the pressure sensing probe 305 and the permanent magnet motor rotor. When the pressure sensing probe 305 contacts the motor rotor, the pressure on the motor rotor will be synchronously displayed on the display 402 on the surface of the controller 403 through numerical transmission. When the value of the display 402 is greater than or equal to the safe range value of the motor rotor's compressive quality, the motor rotor is qualified if it is not bent. This structure avoids the existing motor rotor The production quality inspection device is not convenient for testing the bending strength of motor rotors of different sizes, and is inconvenient to use. Through this structure, the bending strength of motor rotors of different sizes can be tested, thereby improving the practicability of the equipment. When testing the permanent magnet motor rotor, the monitor 401 is electrically connected to the monitor 401 and the display 402. The staff controls the monitor 401 to be turned on through the controller 403. The monitor 401 detects the situation of the inner cavity of the test box 1 and displays it through the display 402. The staff can observe the situation of the inner cavity of the test box 1 through the display 402. When it is detected that unqualified products are splashing, the splashed debris will fall into the inside of the collection box 501, which is convenient for cleaning. After the inspection is completed, the staff can open the closed safety door 102 by the handle to take out the motor rotor. Through this structure, it is avoided that the splashing debris is easy to generate when the motor rotor is tested for the bending strength. The splashing debris is easy to hurt the staff and the safety is low. Through this structure, the whole is a closed test, which improves the safety during the inspection process.

[0037] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A permanent magnet motor rotor quality detection device, It is characterized in that include: A test box (1), wherein brackets (101) are installed at the four ends of the bottom of the test box (1), a closed safety door (102) is installed at one end of the surface of the test box (1), slides (3) are installed at both ends of the top of the inner cavity of the test box (1), fixing devices (2) are provided at both ends of the bottom of the inner cavity of the test box (1), a connecting frame (5) is installed through the center of the bottom of the inner cavity of the test box (1), and triangular connecting blocks (4) are installed at both ends of the bottom of the slide (3).

2. A permanent magnet motor rotor quality detection device according to claim 1, Features: The fixing device (2) comprises two fixing plates (201), one end of the surface of each of the two fixing plates (201) is embedded with an electric telescopic rod (202), the output ends of each of the two electric telescopic rods (202) are installed with a clamping plate (203), and the bottoms of each of the two fixing plates (201) are installed at one end of the bottom of the inner cavity of the test box (1).

3. A permanent magnet motor rotor quality detection device according to claim 1, Features: A monitor (401) is installed at the bottom of each of the two triangular connecting blocks (4), a display (402) is installed at one end of the surface of the test box (1), a controller (403) is installed at one end of the surface of the display (402), and one side of the surface of the controller (403) is mounted in contact with the surface of the test box (1).

4. A permanent magnet motor rotor quality detection device according to claim 1, Features: A sliding block (301) is movably embedded in the inner cavity of the slide (3); an electric telescopic rod (302) is installed at one end of the surface of the sliding block (301); a driven telescopic rod (303) is installed at the other end of the surface of the sliding block (301); a hydraulic rod (304) is embedded and installed at the bottom of the sliding block (301); and a pressure sensing probe (305) is installed at the output end of the hydraulic rod (304).

5. A permanent magnet motor rotor quality detection device according to claim 4, Features: One end of the surface of the second electric telescopic rod (302) is mounted on one end of the inner cavity of the test box (1), and one end of the surface of the driven telescopic rod (303) is mounted on the other end of the inner cavity of the test box (1).

6. A permanent magnet motor rotor quality detection device according to claim 1, Features: A collection box (501) is embedded and installed in the inner cavity of the connecting frame (5).

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