BLDC magnet insertion detection device

Abstract

The application discloses a BLDC magnetic steel inserting detection device, which comprises a mounting plate, a driving mechanism arranged on the mounting plate and a magnetic steel inserting mechanism. The magnetic steel inserting mechanism is internally provided with a detection mechanism for detecting whether there is a magnetic steel sheet in a magnetic steel warehouse. The magnetic steel inserting mechanism comprises an inserting cylinder, a mounting frame and a magnetic steel inserting sheet. The number of the magnetic steel inserting sheets corresponds to the number of magnetic steel grooves in the magnetic steel warehouse. The magnetic steel inserting mechanism is arranged to automatically insert the magnetic steel in the magnetic steel warehouse into an iron core located below the magnetic steel warehouse. Meanwhile, the detection mechanism is arranged to synchronously detect whether there is a magnetic steel in the magnetic steel warehouse during the inserting process, so as to avoid the occurrence of the phenomenon that the magnetic steel is missed in the iron core, reduce the waste rate and ensure the assembling effect of the iron core.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of rotor manufacturing, and particularly relates to a BLDC magnetic steel insertion detection device. BACKGROUND

[0002] The stator and the rotor are important components in the motor, and the production and manufacturing process thereof determines the quality of the motor. The assembly of the rotor is a very complex work, and in one link, magnetic steel needs to be inserted into the rotor. The magnetic steel insertion machine is usually used to complete the work, and the existing magnetic steel insertion machine has a certain probability of not inserting the magnetic steel into the magnetic steel warehouse due to matching problems. At present, most production lines do not arrange a magnetic steel detection link, so that once the magnetic steel is missed, it cannot be remedied after riveting is completed, the workpiece is scrapped as a whole, the scrap rate is increased, and certain economic losses are caused. SUMMARY

[0003] In view of the problems in the prior art, the purpose of the application is to provide a BLDC magnetic steel insertion detection device to realize the insertion of the magnetic steel and timely find whether the magnetic steel is missed, ensure the safe assembly of the rotor core, and reduce the scrap rate.

[0004] The application is implemented by the following technical solutions:

[0005] The BLDC magnetic steel insertion detection device comprises a mounting plate, a driving mechanism arranged on the mounting plate, and a magnetic steel insertion mechanism. The magnetic steel insertion mechanism is internally provided with a detection mechanism for detecting whether there is a magnetic steel sheet in the magnetic steel warehouse. The magnetic steel insertion mechanism comprises an insertion air cylinder, a mounting frame, and a magnetic steel insertion sheet. The number of the magnetic steel insertion sheets corresponds to the number of the magnetic steel grooves in the magnetic steel warehouse.

[0006] Further, the driving mechanism comprises an air cylinder fixed on the mounting plate. The insertion air cylinder is fixedly arranged on a sliding plate. The output end of the air cylinder is connected with the sliding plate through a connecting plate. Vertical guide rails are arranged on the two sides of the mounting plate. A sliding block matched with the guide rails is fixedly arranged on the side of the sliding plate close to the air cylinder.

[0007] Further, the upper end of the mounting frame is connected with the cylinder rod of the insertion air cylinder, and the upper end of the magnetic steel insertion sheet extends into the inside of the mounting frame.

[0008] Further, the detection mechanism comprises a detector mounting hole arranged on the outer peripheral wall of the mounting frame and a passage arranged in the inside of the mounting frame for the magnetic steel insertion sheet to pass through. A detector is arranged in the detector mounting hole. An upper cavity and a lower cavity are arranged in the passage. A spring is vertically fixed between the cavity wall and the magnetic steel insertion sheet. The upper cavity is arranged corresponding to the detector mounting hole. The upper end of the magnetic steel insertion sheet is provided with a detection block matched with the detector.

[0009] Further, the lower end of the magnetic steel insertion sheet is provided with a guide module, which is fixedly connected with the lower part of the sliding plate through a right-angle mounting plate.

[0010] Further, the guide module is provided with the same number of insertion slots as the magnetic steel insertion sheet.

[0011] The magnetic steel insertion mechanism is arranged to automatically insert the magnetic steel in the magnetic steel warehouse into the iron core below the magnetic steel warehouse, and the detection mechanism is arranged to simultaneously detect whether there is magnetic steel in the magnetic steel warehouse during the insertion process, so as to avoid the phenomenon of missing insertion of magnetic steel in the iron core, reduce the waste rate, and ensure the assembly effect of the iron core. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figures 1-2 Different angle structure schematic diagram of the application;

[0013] Figure 3 A-A cross-sectional view of Figure 1 B-B cross-sectional view of

[0014] Figure 4 A-A cross-sectional view of Figure 2 B-B cross-sectional view of

[0015] In the figure, 1 is a mounting plate, 2 is a magnetic steel warehouse, 3 is an insertion cylinder, 4 is a mounting frame, 5 is a magnetic steel insertion sheet, 6 is a cylinder, 7 is a sliding plate, 8 is a connecting plate, 9 is a guide rail, 10 is a sliding block, 11 is a detector mounting hole, 12 is a channel, 13 is an upper cavity, 14 is a lower cavity, 15 is a spring, 16 is a detection block, 17 is a guide module, and 18 is a right-angle mounting plate. DETAILED DESCRIPTION

[0016] The application will be further described below in combination with the drawings of the specification, so as to better understand the technical solution.

[0017] The BLDC magnetic steel insertion detection device has the detection function during the process of completing the magnetic steel insertion, detects whether there is a missing insertion phenomenon of magnetic steel in the magnetic steel warehouse, and can timely remedy and loss stop if there is a missing insertion phenomenon.

[0018] Specific structure as Figures 1-4As shown, the detection device includes a mounting plate 1, a driving mechanism arranged on the mounting plate 1, and a magnetic steel inserting mechanism, the driving mechanism is mainly used for driving the whole magnetic steel inserting mechanism to move in the vertical direction, and the driving mechanism includes a cylinder 6 fixed on the mounting plate 1 and vertical guide rails 9 fixed on both sides of the mounting plate 1; the magnetic steel inserting mechanism includes a sliding plate 7, an inserting cylinder 3, a mounting frame 4 and magnetic steel inserting pieces 5, the upper end of the mounting frame 4 is connected with a cylinder rod of the inserting cylinder 3, the upper end of the magnetic steel inserting piece 5 extends into the inside of the mounting frame 4, the number of the magnetic steel inserting pieces 5 corresponds to the number of magnetic steel grooves in a magnetic steel warehouse 2, the lower end of the magnetic steel inserting piece 5 is provided with a guide module 17, the guide module 17 is fixedly connected with the lower part of the sliding plate 7 through a right-angle mounting plate 18, and the guide module 17 is provided with the same number of inserting grooves as the magnetic steel inserting pieces 5; the inserting cylinder 3 is fixedly arranged on the sliding plate 7, a sliding block 10 used in cooperation with the guide rail 9 is fixedly arranged on the side surface of the sliding plate 7 close to the cylinder 6, the sliding plate 7 is connected with the output end of the cylinder 6 through a connecting plate 8, the cylinder 6 drives the sliding plate 7 to move up and down as a whole, and the inserting cylinder 3 drives the magnetic steel inserting piece 5 to extend into the magnetic steel warehouse 2 and push the magnetic steel in the magnetic steel warehouse 2 into the iron core.

[0019] In order to find out whether there is a missed magnetic steel in the magnetic steel warehouse 2 in time during the process of pushing the magnetic steel, a detection mechanism is arranged on the mounting frame 4, the detection mechanism includes a detector mounting hole 11 arranged on the peripheral wall of the mounting frame 4 and a passage 12 arranged in the inside of the mounting frame 4 for the magnetic steel inserting piece 5 to pass through, a detector is arranged in the detector mounting hole 11, an upper cavity 13 and a lower cavity 14 are arranged in the passage 12, a spring 15 is vertically fixed between the cavity wall and the magnetic steel inserting piece 5, the upper cavity 13 is arranged corresponding to the detector mounting hole 11, and the upper end of the magnetic steel inserting piece 5 is provided with a detection block 16 used in cooperation with the detector.

[0020] The specific use method of the present application is that, when starting to run, firstly, the cylinder 6 drives the whole magnetic steel inserting mechanism to move downwards, so that the guide module 17 contacts the lower magnetic steel warehouse 2, then the inserting cylinder 3 is started to drive the magnetic steel inserting piece 5 to run downwards, because the lower cavity 14 with the spring 15 is arranged in the passage 12, when there is a magnetic steel in the magnetic steel warehouse 2, the spring 15 will be compressed, the magnetic steel inserting piece 5 is displaced upwards, the detector in the detector mounting hole 11 detects the detection block 16 arranged on the upper end of the magnetic steel inserting piece 5, then it is judged that there is a magnetic steel in the lower magnetic steel warehouse 2, otherwise, if the detection block 16 is not detected, it is indicated that the magnetic steel is not inserted, the detector sends a signal, and an abnormality is displayed on the monitoring screen, relevant personnel will intervene to manually supplement the magnetic steel piece in the magnetic steel warehouse, so that the iron core is prevented from entering the next assembly station without inserting the magnetic steel, and the appearance of the scrapped piece is avoided.

Claims

1. A BLDC magnetic steel insertion detection device, characterized in that, The detection device includes a mounting plate (1), a driving mechanism arranged on the mounting plate (1), and a magnetic steel inserting mechanism, wherein the magnetic steel inserting mechanism is internally provided with a detection mechanism for detecting whether there is a magnetic steel sheet in a magnetic steel warehouse (2), the magnetic steel inserting mechanism includes an inserting cylinder (3), a mounting frame (4), and a magnetic steel inserting sheet (5), the number of the magnetic steel inserting sheets (5) corresponds to the number of magnetic steel slots in the magnetic steel warehouse (2), the detection mechanism includes a detector mounting hole (11) arranged on the outer peripheral wall of the mounting frame (4) and a passage (12) arranged inside the mounting frame (4) for the magnetic steel inserting sheet (5) to pass through, the detector mounting hole (11) is internally provided with a detector, the passage (12) is provided with an upper cavity (13) and a lower cavity (14), the lower cavity (14) is vertically fixed with a spring (15) between the cavity wall and the magnetic steel inserting sheet (5), the upper cavity (13) is arranged corresponding to the detector mounting hole (11), and the upper end of the magnetic steel inserting sheet (5) is provided with a detection block (16) for cooperating with the detector.

2. The BLDC magnet insert detection apparatus of claim 1, wherein The driving mechanism includes a cylinder (6) fixed on the mounting plate (1), the inserting cylinder (3) is fixedly arranged on a sliding plate (7), the output end of the cylinder (6) is connected with the sliding plate (7) through a connecting plate (8), and vertical guide rails (9) are arranged on both sides of the mounting plate (1), and a sliding block (10) for cooperating with the guide rail (9) is fixedly arranged on the side surface of the sliding plate (7) close to the cylinder (6).

3. The BLDC magnet insert detection apparatus of claim 1, wherein The upper end of the mounting frame (4) is connected with the cylinder rod of the inserting cylinder (3), and the upper end of the magnetic steel inserting sheet (5) extends into the inside of the mounting frame (4).

4. The BLDC magnet insert detection apparatus of claim 1, wherein The lower end of the magnetic steel inserting sheet (5) is provided with a guide module (17), and the guide module (17) is fixedly connected with the lower part of the sliding plate (7) through a right-angle mounting plate (18).

5. The BLDC magnet insert detection apparatus of claim 4, wherein The guide module (17) is provided with the same number of insertion grooves as the magnetic steel inserting sheet (5).

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