Fixed-distance cutting device for motor rotor production

By designing a limiting mechanism and a cutting mechanism, combined with a laser rangefinder and a grinding disc, efficient and precise cutting of the motor rotor and collection of iron filings are achieved, solving the problems of low cutting efficiency and insufficient practicality of existing devices, and improving the overall performance of motor rotor production.

CN224026968UActive Publication Date: 2026-03-24CHANGZHOU RONGMAO AUTOMOBILE ELECTRIC APPLIANCES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing fixed-distance cutting devices for motor rotor production have low cutting efficiency and low precision, and cannot grind the cut surface or collect iron filings, making them impractical.

Method used

It employs a limit mechanism and a cutting mechanism, combined with components such as a DC motor, lead screw, stepper motor, screw, and laser rangefinder to achieve precise positioning and efficient cutting. It is also equipped with a grinding disc to grind the cut surface, and a recycling hopper and collection box are set up to collect iron filings.

Benefits of technology

It improves the accuracy and efficiency of cutting, ensures the quality of the cut surface, and collects iron filings in a timely manner, thus enhancing the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fixed-distance cut-off device for motor rotor production, which belongs to the technical field of fixed-distance cut-off of motor rotors, and adopts the technical scheme that the fixed-distance cut-off device comprises an assembly frame, the inner wall of the assembly frame is movably connected with a limiting mechanism, and the surface of the limiting mechanism is in threaded connection with a cut-off mechanism; the cutting mechanism comprises a mounting frame, a fixing frame, a hydraulic rod, a servo motor, a grinding disc, a cutting disc, a fixing rod, a limiting frame and a fixing plate, the mounting frame is in threaded connection with the surface of the limiting mechanism, and by arranging the limiting mechanism and the cutting mechanism, precise positioning and efficient cutting of the motor rotor can be achieved; parts such as a direct current motor, a lead screw, a stepping motor, a screw and a laser range finder work cooperatively, the positions of the rotor body and the cutting-off mechanism can be accurately adjusted, and the cutting-off accuracy is improved; and the hydraulic rod is matched with the servo motor, so that the cutting disc quickly and stably cuts off the rotating shaft, and the cutting efficiency is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotor fixed distance cutting technical field especially relates to a kind of fixed distance cutting device of motor rotor production. BACKGROUND

[0002] A kind of fixed distance cutting device of motor rotor production is a kind of device for motor rotor production process, accurately cut relevant materials or parts, to ensure that the size after cutting meets specific requirements, in motor rotor production, the size precision of rotor is crucial to the performance and quality of motor, fixed distance cutting device can accurately control cutting size, ensure that the relevant parts of each rotor have consistent size and specification, to improve the overall performance and stability of motor, reduce the scrap rate caused by size deviation.

[0003] Rotor core is one of the important components for normal operation of motor, the component is usually made of silicon steel, and a plurality of through holes are formed on the outer wall of the component, which reduces the anti-impact ability of rotor core body, so special attention should be paid when collecting to prevent rotor core damage;

[0004] The existing patent (announcement number: CN212711331U) a rotor core collecting device for motor production, including workbench, the side profile of workbench is "N" shape, a plurality of rotating through holes are sequentially arranged from left to right on the lower end of the inner wall of workbench, two groups of rotating through holes are rotatably connected with shaft, a plurality of shafts are fixedly connected with rubber roller outside, a plurality of rubber rollers are hollow structure, a plurality of shafts are fixedly connected with positioning beads on the front end of the inner wall of a plurality of air holes, the rubber roller is arranged, and rubber anti-collision plate is used, when the device is used to collect rotor core during transportation, the possibility of damage of rotor core due to collision can be reduced, so that the normal use of rotor core is ensured.

[0005] For the above problems, the existing patent provides a solution, but the existing fixed distance cutting device of motor rotor production is usually directly marked the cutting position of the shaft on the motor rotor, and then directly uses the cutting device to cut the shaft. Although this method can cut the shaft on the rotor, this cutting method not only has low cutting efficiency, but also has poor control of accuracy when cutting. Moreover, after cutting the shaft on the rotor, the surface of the cut shaft cannot be polished, and the iron wire generated by cutting the shaft cannot be collected, which has poor practicality.

[0006] Therefore, a fixed distance cutting device of motor rotor production is proposed. UTILITY MODEL CONTENTS

[0007] The utility model discloses a purpose lies in, provide a kind of fixed distance cutting device of motor rotor production, can solve the fixed distance cutting device of current motor rotor production, usually all directly cutting position is marked on the rotating shaft of motor rotor, then directly using cutting device is cut off to rotating shaft and is cut off operation, this mode can be cut off although to the rotating shaft on rotor, but this cutting mode not only the efficiency of cutting is lower, when cutting, accuracy is not good control, and when cutting end on the rotating shaft on rotor is completed, the face after rotating shaft cutting is completed cannot be polished and the iron cable generated by rotating shaft is collected, the problem of insufficient practicality.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of fixed distance cutting device of motor rotor production, including assembly frame, the inner wall of the assembly frame is movably connected with limiting mechanism, the surface of the limiting mechanism is threadedly connected with cutting mechanism;

[0009] The cutting mechanism includes mounting frame, fixed frame, hydraulic rod, servo motor, polishing disc, cutting disc, fixed rod, limiting frame and fixed plate, the mounting frame is threadedly connected on the surface of limiting mechanism, the fixed frame is movably connected at the front side of mounting frame, the hydraulic rod is fixedly connected at the top of fixed frame, the limiting frame is fixedly connected at the telescopic end of hydraulic rod, the fixed plate is fixedly connected at the back of limiting frame, the servo motor is fixedly connected at the inner wall of fixed plate, the fixed rod is fixedly connected at the output end of servo motor, the polishing disc and cutting disc are fixedly connected at the rear end surface and front end surface of fixed rod respectively.

[0010] Preferably, the limiting mechanism includes a DC motor, a lead screw, a mounting plate, an electric push rod, a stepper motor, a screw rod, and a rotor body, the DC motor is fixedly connected to the front side of the mounting frame, the lead screw is fixedly connected to the output end of the DC motor, the mounting plate is threadedly connected to the surface of the lead screw, the electric push rod is fixedly connected to the left and right sides of the mounting plate, the rotor body is movably connected to the top of the mounting plate, the stepper motor is fixedly connected to the right side of the mounting frame, the screw rod is fixedly connected to the output end of the stepper motor, the fixed frame is threadedly connected to the surface of the lead screw, and the output end of the electric push rod is fixedly connected with a clamp.

[0011] Preferably, the front side of the mounting frame is fixedly connected with a sliding rail, the back side of the fixed frame is fixedly connected with a sliding block, and the sliding block is slidingly connected to the surface of the sliding rail.

[0012] Preferably, the top of the assembly frame is fixedly connected with a limiting rod, and the mounting plate is slidingly connected to the surface of the limiting rod.

[0013] Preferably, a groove is formed in the bottom of the assembly frame, a recovery hopper is fixedly connected to the bottom of the groove, and the recovery hopper is fixedly connected below the mounting plate.

[0014] Preferably, the bottom of the assembly frame is movably connected with a collection box, and the collection box is movably connected directly below the recycling hopper.

[0015] Preferably, the front side of the assembly frame is fixedly connected with a speed reducer, the output end of the speed reducer is fixedly connected with a lead screw, and the mounting frame is threadedly connected to the surface of the lead screw.

[0016] Preferably, the rear side of the mounting plate is fixedly connected with a laser range finder, and the left side of the mounting frame is fixedly connected with a PLC controller.

[0017] Compared with the prior art, the application has the beneficial effects that:

[0018] 1. The application can realize accurate positioning and efficient cutting of the motor rotor by setting the limiting mechanism and the cutting mechanism, and the direct current motor, the lead screw, the stepping motor, the screw rod and the laser range finder and other components work cooperatively to accurately adjust the position of the rotor main body and the cutting mechanism and improve the cutting accuracy; the hydraulic rod and the servo motor cooperate to make the cutting disc cut the rotating shaft quickly and stably, effectively improving the cutting efficiency.

[0019] 2. The cutting mechanism is provided with a grinding disc, which can immediately grind the cutting surface after the rotating shaft is cut, improving the quality of the rotating shaft cutting surface; at the same time, the recycling hopper and the collection box can collect the iron filings generated during the cutting process in time, avoiding the adverse effects of the iron filings on the working environment and equipment, and further improving the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the distance cutting device for motor rotor production of the application.

[0021] Figure 2 It is a partial structure schematic view of the cutting mechanism of the application.

[0022] Figure 3 It is a partial structure schematic view of the cutting mechanism of the application. Figure 2 It is an enlarged structure schematic view of part A.

[0023] Figure 4 It is a partial structure schematic view of the limiting mechanism of the application.

[0024] Figure 5 It is a partial structure schematic view of the cutting mechanism of the application.

[0025] In the figure, 1, cutting mechanism; 11, mounting frame; 12, sliding block; 13, fixed frame; 14, hydraulic rod; 15, servo motor; 16, slide rail; 17, polishing disc; 18, cutting disc; 19, fixed rod; 2, limiting mechanism; 21, mounting plate; 22, electric push rod; 23, speed reducer motor; 24, screw rod; 25, stepping motor; 26, screw rod; 27, DC motor; 28, lead screw; 29, recycling hopper; 3, assembling frame; 4, rotor main body; 5, PLC controller; 6, collection box; 7, laser range finder; 8, limiting frame; 9, fixed plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-5 The utility model provides technical schemes:

[0028] A fixed-distance cutting device for motor rotor production, comprising an assembling frame 3, the inner wall of the assembling frame 3 is movably connected with a limiting mechanism 2, and the surface of the limiting mechanism 2 is threadedly connected with a cutting mechanism 1.

[0029] The cutting mechanism 1 comprises a mounting frame 11, a fixed frame 13, a hydraulic rod 14, a servo motor 15, a polishing disc 17, a cutting disc 18, a fixed rod 19, a limiting frame 8 and a fixed plate 9, the mounting frame 11 is threadedly connected to the surface of the limiting mechanism 2, the fixed frame 13 is movably connected to the front side of the mounting frame 11, the hydraulic rod 14 is fixedly connected to the top of the fixed frame 13, the limiting frame 8 is fixedly connected to the telescopic end of the hydraulic rod 14, the fixed plate 9 is fixedly connected to the rear side of the limiting frame 8, the servo motor 15 is fixedly connected to the inner wall of the fixed plate 9, the fixed rod 19 is fixedly connected to the output end of the servo motor 15, and the polishing disc 17 and the cutting disc 18 are fixedly connected to the rear end surface and the front end surface of the fixed rod 19 respectively.

[0030] In the embodiment: by setting the mounting frame 11, the components and structures on the device can be installed, by setting the mounting frame 11, the fixed frame 13 can be installed, by setting the fixed frame 13, not only the hydraulic rod 14 can be installed, but also the limiting frame 8 can be installed and sliding, by setting the limiting frame 8, the servo motor 15 can be installed, by setting the hydraulic rod 14, the limiting frame 8 can be moved, by setting the servo motor 15, the polishing disc 17 and the cutting disc 18 can be rotated, by setting the fixed rod 19, the polishing disc 17 and the cutting disc 18 can be installed, by setting the fixed plate 9, the servo motor 15 can be limited.

[0031] Specifically, as shown in Figure 2 、 Figure 4 、 Figure 5 The limiting mechanism 2 includes a DC motor 27, a lead screw 28, a mounting plate 21, an electric push rod 22, a stepper motor 25, a screw rod 26 and a rotor body 4, the DC motor 27 is fixedly connected to the front side of the mounting frame 11, the lead screw 28 is fixedly connected to the output end of the DC motor 27, the mounting plate 21 is threadedly connected to the surface of the lead screw 28, the electric push rod 22 is fixedly connected to the left and right sides of the mounting plate 21, the rotor body 4 is movably connected to the top of the mounting plate 21, the stepper motor 25 is fixedly connected to the right side of the mounting frame 11, the screw rod 26 is fixedly connected to the output end of the stepper motor 25, the fixed frame 13 is threadedly connected to the surface of the lead screw 24, and the output end of the electric push rod 22 is fixedly connected with a clamp. In the present scheme, the position of the rotor body 4 and the position of the limiting are both at the center of the mounting plate 21 and are fixed, which facilitates the laser range finder 7 to control the position of the rotor body 4.

[0032] Specifically, as shown in Figure 2 、 Figure 3 、 Figure 5 The front side of the mounting frame 11 is fixedly connected with a sliding rail 16, the rear side of the fixed frame 13 is fixedly connected with a sliding block 12, and the sliding block 12 is slidingly connected to the surface of the sliding rail 16.

[0033] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 4 The top of the assembling frame 3 is fixedly connected with a limiting rod, and the mounting plate 21 is slidingly connected to the surface of the limiting rod.

[0034] In the embodiment: by setting the DC motor 27 can be installed on the lead screw 28, by setting the lead screw 28 can make the mounting plate 21 can move, by setting the mounting plate 21 can be installed on the electric push rod 22 and the rotor body 4 is placed, by setting the electric push rod 22 can drive the clamp to move, by setting the clamp can be limited to the rotor body 4, the rotor body 4 includes a rotor and a rotating shaft, by setting the stepper motor 25 can drive the screw 26 to install, by setting the screw 26 can drive the fixed frame 13 to move, by setting the sliding block 12 and the slide rail 16 can improve the stability of the fixed frame 13, by setting the limiting rod can improve the stability of the mounting plate 21.

[0035] Specifically, as shown in Figure 1 、 Figure 4 、 Figure 5 The bottom of the assembly frame 3 is provided with a groove, and the bottom of the groove is fixedly connected with a recycling hopper 29, and the recycling hopper 29 is fixedly connected below the mounting plate 21.

[0036] Specifically, as shown in Figure 2 、 Figure 4 、 Figure 5 The bottom of the assembly frame 3 is movably connected with a collecting box 6, and the collecting box 6 is movably connected below the recycling hopper 29.

[0037] In the embodiment: by setting the recycling hopper 29 can collect the iron filings produced by grinding and cutting, by setting the collecting box 6 can concentrate the iron filings.

[0038] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 4 The front side of the assembly frame 3 is fixedly connected with a reduction motor 23, the output end of the reduction motor 23 is fixedly connected with a lead screw 24, and the mounting bracket 11 is threadedly connected to the surface of the lead screw 24.

[0039] Specifically, as shown in Figure 1 、 Figure 4 、 Figure 5 The rear side of the mounting plate 21 is fixedly connected with a laser range finder 7, and the left side of the mounting bracket 11 is fixedly connected with a PLC controller 5.

[0040] In the embodiment: by setting the reduction motor 23 can be installed on the lead screw 24, by setting the lead screw 24 can drive the mounting bracket 11 to move, by setting the laser range finder 7 can real-time monitor the distance between the rotor body 4 and the inner wall of the assembly frame 3, by setting the PLC controller 5 can control the servo motor 15, the electric push rod 22, the reduction motor 23, the stepper motor 25, the DC motor 27 and the laser range finder 7.

[0041] Working principle: when the user is in the motor rotor production fixed distance cutting operation, first put the rotor body 4 on the mounting plate 21, through the clamp of electric push rod 22 clamping, then power on and start the DC motor 27 and stepper motor 25, adjust the position of mounting plate 21 and fixed frame 13, make the rotor body 4 shaft align with cutting disc 18, laser range finder 7 real-time monitoring the distance between the rotor body 4 and the inner wall of assembly frame 3, and feedback the data to PLC controller 5, when the distance reaches the preset value, PLC controller 5 controls the hydraulic rod 14 to elongate, drive cutting disc 18 to move down, at the same time power on and start servo motor 15, make cutting disc 18 high speed rotation, cut off the shaft, after cutting off, hydraulic rod 14 drive polishing disc 17 to move to the cutting surface position, servo motor 15 drive polishing disc 17 rotation, polish the cutting surface, while in the whole process, the iron filings generated through the recovery bucket 29 fall into the collection box 6.

[0042] The above is only the preferred embodiment of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fixed-distance cutting device for producing motor rotors, comprising an assembly frame (3), characterized in that: The inner wall of the assembly frame (3) is movably connected to a limiting mechanism (2), and the surface of the limiting mechanism (2) is threadedly connected to a cutting mechanism (1); The cutting mechanism (1) includes a mounting bracket (11), a fixing bracket (13), a hydraulic rod (14), a servo motor (15), a grinding disc (17), a cutting disc (18), a fixing rod (19), a limiting bracket (8), and a fixing plate (9). The mounting bracket (11) is threadedly connected to the surface of the limiting mechanism (2). The fixing bracket (13) is movably connected to the front side of the mounting bracket (11). The hydraulic rod (14) is fixedly connected to the top of the fixing bracket (13). The limiting bracket (8) is fixedly connected to the telescopic end of the hydraulic rod (14). The fixing plate (9) is fixedly connected to the rear side of the limiting bracket (8). The servo motor (15) is fixedly connected to the inner wall of the fixing plate (9). The fixing rod (19) is fixedly connected to the output end of the servo motor (15). The grinding disc (17) and the cutting disc (18) are respectively fixedly connected to the rear end surface and the front end surface of the fixing rod (19).

2. The fixed-distance cutting device for motor rotor production according to claim 1, characterized in that: The limiting mechanism (2) includes a DC motor (27), a lead screw (28), a mounting plate (21), an electric push rod (22), a stepper motor (25), a screw (26), and a rotor body (4). The DC motor (27) is fixedly connected to the front side of the mounting frame (11). The lead screw (28) is fixedly connected to the output end of the DC motor (27). The mounting plate (21) is threadedly connected to the surface of the lead screw (28). The electric push rod (22) is fixedly connected to the left and right sides of the mounting plate (21). The rotor body (4) is movably connected to the top of the mounting plate (21). The stepper motor (25) is fixedly connected to the right side of the mounting frame (11). The screw (26) is fixedly connected to the output end of the stepper motor (25). The fixing frame (13) is threadedly connected to the surface of the lead screw (24). The output end of the electric push rod (22) is fixedly connected to a clamp.

3. The fixed-distance cutting device for motor rotor production according to claim 1, characterized in that: The front side of the mounting bracket (11) is fixedly connected to a slide rail (16), and the rear side of the fixing bracket (13) is fixedly connected to a slider (12), which is slidably connected to the surface of the slide rail (16).

4. A fixed-distance cutting device for motor rotor production according to claim 2, characterized in that: The top of the assembly frame (3) is fixedly connected to a limiting rod, and the mounting plate (21) is slidably connected to the surface of the limiting rod.

5. A fixed-distance cutting device for motor rotor production according to claim 2, characterized in that: The bottom of the assembly frame (3) is provided with a groove, and a recycling hopper (29) is fixedly connected to the bottom of the groove. The recycling hopper (29) is fixedly connected directly below the mounting plate (21).

6. A fixed-distance cutting device for motor rotor production according to claim 5, characterized in that: The bottom of the assembly frame (3) is movably connected to a collection box (6), which is movably connected directly below the recycling hopper (29).

7. A fixed-distance cutting device for motor rotor production according to claim 1, characterized in that: A geared motor (23) is fixedly connected to the front side of the assembly frame (3), and a lead screw (24) is fixedly connected to the output end of the geared motor (23). The mounting frame (11) is threadedly connected to the surface of the lead screw (24).

8. A fixed-distance cutting device for motor rotor production according to claim 2, characterized in that: A laser rangefinder (7) is fixedly connected to the rear side of the mounting plate (21), and a PLC controller (5) is fixedly connected to the left side of the mounting bracket (11).

Citation Information

Patent Citations

  • Rotor iron core collecting device for motor production

    CN212711331U