Servo cam cutting mechanism for flat wire of stator

By designing a flat wire servo cam cutting mechanism suitable for different linearities, the problem of traditional equipment being unable to adapt to different linear production was solved, achieving high-efficiency, low-cost production compatibility and stable chip discharge, and improving the production quality of motor stators.

CN223885093UActive Publication Date: 2026-02-06RURAMAT HUARUI AUTOMATION TECH (CHANGZHOU) CO LTD
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Patent Information

Application Number
CN202520189769.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-02-06
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Traditional stator flat wire servo cam cutting mechanisms are not universal and cannot adapt to different linear production requirements.

Method used

A flat wire servo cam cutting mechanism was designed, comprising a side connecting plate, a drive body, a wire pulling mechanism, a drive servo motor, an upper cutter cam gear, and a lower cutter cam gear. The servo motor drives the gears to rotate and achieve center cutting. It is equipped with a vacuum discharge pipe and an inclined support pipe to adapt to different linear production processes. An outer connecting pipe and a middle connecting lifting column are set at the inclined support pipe to prevent debris blockage.

Benefits of technology

It achieves compatibility in the production of flat wire motor stators with different linearity, improves production efficiency and quality, reduces debris clogging problems, and provides a low-cost changeover method.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223885093U_ABST
Patent Text Reader

Abstract

The utility model discloses a flat wire servo cam cutting mechanism of a stator. The flat wire servo cam cutting mechanism comprises a side face connecting plate and a driving body arranged on the side face of the side face connecting plate. A driving servo motor is arranged on the side face of the wire dragging mechanism, a lower cutter cam gear is arranged at the bottom of the upper cutter cam gear, a wire centering mechanism is arranged between the upper cutter assembly and the lower cutter assembly, and a vacuum discharging pipe is arranged at the tail end of the inclined supporting pipe. When the gear rotates by a circle, the upper cutter assembly and the lower cutter assembly are aligned and centered to cut off the flat wire and return, and vacuum discharging is carried out through the vacuum discharging pipe after the flat wire is cut off. The device is suitable for I PIN, U PIN and X PIN wire forming and cutting-off processes and belongs to universal compatible design, production of different linearity can be achieved only by manually replacing the upper cutter and the lower cutter, the production efficiency is improved, and the production cost is reduced. And a mechanism-stable and low-cost remodeling mode is provided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the motor manufacturing related technical field, concretely relates to a flat wire servo cam cutting mechanism of stator. BACKGROUND

[0002] The flat wire servo cam cutting mechanism of stator is a kind of equipment for the production of flat wire motor stator, mainly used for cutting the flat copper wire in stator winding.This kind of mechanism usually includes a servo motor and a cam mechanism, the servo motor is used to control the movement of cam, and the cam mechanism is used to realize cutting action.In the production process of flat wire motor, the manufacture of stator winding is a key step.The stator winding of flat wire motor usually adopts flat copper wire, first make the winding into the shape similar to hairpin, wear into the stator slot, then weld the end of hairpin at the other end.In this process, the function of flat wire servo cam cutting mechanism is to cut the flat copper wire according to the required length, to ensure that the length of each winding is consistent, so as to ensure the performance of motor.The working principle of this kind of mechanism is usually through servo motor to drive cam rotation, the profile of cam will push cutter or cutting tool to move linearly, so as to realize the cutting of flat copper wire.The control precision of servo motor is high, can realize accurate cutting length, and can be adjusted according to the requirement.The application of flat wire servo cam cutting mechanism of stator can greatly improve the production efficiency and quality of flat wire motor stator, and can adapt to the production requirement of flat wire motor of different specifications and sizes.

[0003] But the traditional flat wire servo cam cutting mechanism of stator usually cannot be used universally when using, cannot adapt to the production of different linearities.

[0004] The utility model improves above problems, and concretely relates to a flat wire servo cam cutting mechanism of stator of low cost change type. INVENTION CONTENTS

[0005] The utility model aims at providing a flat wire servo cam cutting mechanism of stator to solve the problem that the traditional flat wire servo cam cutting mechanism of stator usually cannot be used universally when using, cannot adapt to the production of different linearities in the above background art.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a flat wire servo cam cutting mechanism of stator, including side connecting plate and the drive main body arranged at the side surface position of side connecting plate;

[0007] The rear position of the driving main body is provided with a trailing mechanism, the side position of the trailing mechanism is provided with a driving servo motor, the inside of the driving main body is provided with an upper cutter cam gear at the position, the bottom position of the upper cutter cam gear is provided with a lower cutter cam gear, the front position of the upper cutter cam gear and the lower cutter cam gear is respectively provided with an upper cutter assembly and a lower cutter assembly, the middle position of the upper cutter assembly and the lower cutter assembly is provided with a wire centering mechanism, the bottom position of the driving main body is provided with an inclined support pipe, and the terminal position of the inclined support pipe is provided with a vacuum discharge pipe; the driving servo motor cam gear is rotated, the upper cutter assembly and the lower cutter assembly cut off the flat wire and return to the original position after each rotation of the gear, and the cut-off flat wire is discharged through the vacuum discharge pipe.

[0008] Preferably, the inclined support pipe is provided with an outer connecting pipe body at the upper side position close to the right end.

[0009] Preferably, the middle position of the outer connecting pipe body is provided with a middle connecting lifting column, the upper side position of the middle connecting lifting column is provided with a pressing button, and the bottom position of the middle connecting lifting column is provided with a lifting extrusion plate.

[0010] Preferably, the side position of the middle connecting lifting column is provided with a reset connecting spring, the bottom position of the reset connecting spring is provided with a limit moving block, and the area where the limit moving block and the reset connecting spring are located is a limit groove in the inner side of the outer connecting pipe body.

[0011] Preferably, the upper and lower terminal positions of the middle connecting lifting column are provided with threaded columns, the middle positions of the lifting extrusion plate and the pressing button are provided with threaded grooves, and the middle connecting lifting column and the lifting extrusion plate are connected with the pressing button through threads.

[0012] Preferably, the upper and lower side positions of the driving main body are provided with upper and lower connecting plates, and the driving main body is connected with the upper and lower connecting plates through screws.

[0013] Preferably, the upper side position of the side connecting plate is provided with a displacement encoder, and the displacement encoder is connected with the side connecting plate through screws.

[0014] Preferably, the left position of the side connecting plate is provided with a linear drive motor, and the linear drive motor is electrically connected with an external power supply.

[0015] Compared with the prior art, the flat wire servo cam cutting mechanism of the stator has the following beneficial effects:

[0016] 1. In the flat wire servo cam cutting mechanism of the stator, a wire dragging mechanism is arranged at the rear side position of the driving body, a driving servo motor is arranged at the side position of the wire dragging mechanism, an upper cutter cam gear is arranged at the inside position of the driving body, a lower cutter cam gear is arranged at the bottom position of the upper cutter cam gear, an upper cutter assembly and a lower cutter assembly are respectively arranged at the front side positions of the upper cutter cam gear and the lower cutter cam gear, a wire centering mechanism is arranged at the middle position of the upper cutter assembly and the lower cutter assembly, an inclined support pipe is arranged at the bottom position of the driving body, and a vacuum discharge pipe is arranged at the terminal position of the inclined support pipe; the driving servo motor cam gear is rotated, the wire is centered and cut off by the upper cutter assembly and the lower cutter assembly after one rotation of the gear, and the vacuum discharge pipe is used for vacuum discharge after cutting; the utility model is suitable for IPIN, U PIN and X PIN wire forming cutting process, belongs to general compatible design, and different linear production can be realized only by manually replacing the upper and lower cutters, and a low-cost change mode with stable mechanism is provided.

[0017] 2. In the flat wire servo cam cutting mechanism of the stator, an outer connecting pipe body is arranged at the upper side position of the right end of the inclined support pipe, the outer connecting pipe body is composed of two cylinders with different diameters, a middle connecting lifting column is arranged at the middle position of the outer connecting pipe body, a pressing button is arranged at the upper side position of the middle connecting lifting column, a lifting extrusion plate is arranged at the bottom position of the middle connecting lifting column, a reset connecting spring is arranged at the side position of the middle connecting lifting column, a limit moving block is arranged at the bottom position of the reset connecting spring, and the area where the limit moving block and the reset connecting spring are located is a limit groove in the inner side of the outer connecting pipe body; when the scraps are discharged, the pipe is easily blocked, the scraps cannot be discharged, and the subsequent scrap discharge is easily affected after the pipe is blocked; the improved utility model can extrude the scraps downward to assist the pipe when the scraps are blocked at the inclined position, effectively reduces the blockage of the inclined support pipe and the vacuum discharge pipe caused by the scraps, and effectively improves the practicality of the flat wire servo cam cutting mechanism of the stator. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic view of the flat wire servo cam cutting mechanism of the stator of the utility model.

[0019] Figure 2 It is the front view structure schematic view of the flat wire servo cam cutting mechanism of the stator of the utility model.

[0020] Figure 3 It is the top view structure schematic view of the flat wire servo cam cutting mechanism of the stator of the utility model.

[0021] Figure 4 It is the enlarged sectional structure schematic view of the flat wire servo cam cutting mechanism of the stator of the utility model at the serial number A position.

[0022] In the figure: 1, side connecting plate; 2, upper connecting plate; 3, displacement encoder; 4, driving servo motor; 5, linear driving motor; 6, lower connecting plate; 7, trailing mechanism; 8, upper cutter assembly; 9, lower cutter assembly; 10, inclined support pipe; 11, vacuum discharge pipe; 12, wire centering mechanism; 13, upper cutter cam gear; 14, lower cutter cam gear; 15, outer connecting pipe body; 16, lifting extrusion plate; 17, middle connecting lifting column; 18, reset connecting spring; 19, limit moving block; 20, press button; 21, driving body. DETAILED DESCRIPTION

[0023] 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 scope of protection of the utility model.

[0024] The utility model provides a kind of flat wire servo cam cutting mechanism of stator as Figures 1-4 As shown in the figure, a kind of flat wire servo cam cutting mechanism of stator, including side connecting plate 1 and the driving body 21 of its side connecting plate 1 side surface position setting;Driving body 21's rear position is provided with trailing mechanism 7, the side position of trailing mechanism 7 is provided with driving servo motor 4, the inside of driving body 21 is provided with upper cutter cam gear 13 at position, the bottom position of upper cutter cam gear 13 is provided with lower cutter cam gear 14, upper cutter cam gear 13 and lower cutter cam gear 14 front side position are provided with upper cutter assembly 8 and lower cutter assembly 9 respectively, the middle position of upper cutter assembly 8 and lower cutter assembly 9 is provided with wire centering mechanism 12, the bottom position of driving body 21 is provided with inclined support pipe 10, the end position of inclined support pipe 10 is provided with vacuum discharge pipe 11, using driving servo motor 4 cam gear rotation, gear every rotation, upper cutter assembly 8 and lower cutter assembly 9 cut flat wire and reset to the center, after cutting, through vacuum discharge pipe 11, the utility model is applicable to IPIN, U PIN, X PIN wire forming cutting process, belong to general compatible design, only manual replacement upper and lower cutter can realize the production of different linearity, provide a kind of mechanism stable low-cost change mode.

[0025] As Figure 4As shown, the inclined support pipe 10 is provided with an outer connecting pipe body 15 near the upper side of the right end, the outer connecting pipe body 15 is combined by two cylinders with different thicknesses, the middle position of the outer connecting pipe body 15 is provided with a middle connecting lifting column 17, the upper side of the middle connecting lifting column 17 is provided with a pressing button 20, the bottom position of the middle connecting lifting column 17 is provided with a lifting extrusion plate 16, the side position of the middle connecting lifting column 17 is provided with a reset connecting spring 18, the bottom position of the reset connecting spring 18 is provided with a limit moving block 19, the area where the limit moving block 19 and the reset connecting spring 18 are located is a limit groove in the inner side of the outer connecting pipe body 15, and the improved utility model can extrude the debris downwards to assist the debris to pass through the pipe when the debris is blocked at the inclined position, effectively reduces the blockage of the inclined support pipe 10 and the vacuum discharge pipe 11 caused by the debris, and further effectively improves the practicality of the stator flat wire servo cam cutting mechanism.

[0026] As shown in the figure, Figure 4 The upper and lower end positions of the middle connecting lifting column 17 are provided with threaded columns, the middle of the lifting extrusion plate 16 and the pressing button 20 is provided with a threaded groove, and the middle connecting lifting column 17 and the lifting extrusion plate 16 are installed and connected with the pressing button 20 through threads, so that the threaded connection is simple and fast to operate, and the installation and dismounting efficiency of the installation personnel can be improved.

[0027] As shown in the figure, Figure 1 And Figure 2 The upper and lower side positions of the driving body 21 are provided with an upper connecting plate 2 and a lower connecting plate 6, the driving body 21 is installed and connected with the upper connecting plate 2 and the lower connecting plate 6 through screws, the upper side of the side connecting plate 1 is provided with a displacement encoder 3, the displacement encoder 3 is installed and connected with the side connecting plate 1 through screws, the left side of the side connecting plate 1 is provided with a linear drive motor 5, the linear drive motor 5 is electrically connected with an external power supply, the upper connecting plate 2 and the lower connecting plate 6 can play a connecting protection role, the main role of the displacement encoder 3 is to monitor and feedback the position and motion state of the cam, specifically, it can monitor the angular displacement, rotational speed and other parameters of the cam in real time, and feedback these information to the control system, so as to realize accurate control of the motion of the cam.

[0028] When working, the upper cutter assembly 8 and the lower cutter assembly 9 are matched ultra-precision machined parts, which realize precise cutting of the flat wire and form a chamfer at the end of the flat wire, so that the subsequent paper insertion process can be smoothly carried out, the wire dragging mechanism 7 ensures that the wire feeding will not be bent, and the wire passes through a rectangular tunnel, which plays a role of dragging the wire, at the same time, when the cutting device moves quickly under the driving of the linear drive motor 5, the wire will not be bent, and the wire centering mechanism 12 ensures that the wire is elastically centered by the wire centering device when the upper cutter assembly 8 and the lower cutter assembly 9 start to cut and center, so that the wire is straight during cutting.

[0029] It should be pointed out finally that the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for those skilled in the art, it still can be modified for the foregoing each embodiment of the technical solutions recorded, or for some of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A flat wire servo cam cutting mechanism of a stator, comprising a side connecting plate (1) and a driving body (21) arranged at the side position of the side connecting plate (1); characterized in that A trailing wire mechanism (7) is arranged at the rear position of the driving body (21), a driving servo motor (4) is arranged at the side position of the trailing wire mechanism (7), an upper cutter cam gear (13) is arranged at the inner position of the driving body (21), a lower cutter cam gear (14) is arranged at the bottom position of the upper cutter cam gear (13), an upper cutter assembly (8) and a lower cutter assembly (9) are respectively arranged at the front position of the upper cutter cam gear (13) and the lower cutter cam gear (14), a wire centering mechanism (12) is arranged at the middle position of the upper cutter assembly (8) and the lower cutter assembly (9), an inclined support pipe (10) is arranged at the bottom position of the driving body (21), a vacuum discharge pipe (11) is arranged at the end position of the inclined support pipe (10), the upper cutter assembly (8) and the lower cutter assembly (9) center and cut the flat wire and return after each rotation of the cam gear driven by the driving servo motor (4), and vacuum discharge is performed through the vacuum discharge pipe (11) after cutting.

2. A flat wire servo cam cut-off mechanism of a stator according to claim 1, characterized in that: An outer connecting pipe body (15) is arranged at the upper position of the right end of the inclined support pipe (10) close to the right end.

3. A flat wire servo cam cut-off mechanism for a stator according to claim 2, characterized in that: A middle connecting lifting column (17) is arranged at the middle position of the outer connecting pipe body (15), a pressing button (20) is arranged at the upper position of the middle connecting lifting column (17), and a lifting extrusion plate (16) is arranged at the bottom position of the middle connecting lifting column (17).

4. A flat wire servo cam cut-off mechanism for a stator according to claim 3, characterized in that: A reset connecting spring (18) is arranged at the side position of the middle connecting lifting column (17), a limit moving block (19) is arranged at the bottom position of the reset connecting spring (18), and the area where the limit moving block (19) and the reset connecting spring (18) are located is a limit groove in the inner side of the outer connecting pipe body (15).

5. A flat wire servo cam cut-off mechanism for a stator according to claim 3, characterized in that: Threaded columns are arranged at the upper and lower end positions of the middle connecting lifting column (17), threaded grooves are arranged in the middle of the lifting extrusion plate (16) and the pressing button (20), and the middle connecting lifting column (17), the lifting extrusion plate (16), and the pressing button (20) are connected by threads.

6. A flat wire servo cam cut-off mechanism for a stator according to claim 1, characterized in that: An upper connecting plate (2) and a lower connecting plate (6) are arranged at the upper and lower side positions of the driving body (21), and the driving body (21), the upper connecting plate (2), and the lower connecting plate (6) are connected by screws.

7. A flat wire servo cam cut-off mechanism for a stator according to claim 1, characterized in that: A displacement encoder (3) is arranged at the upper position of the side connecting plate (1), and the displacement encoder (3) is connected to the side connecting plate (1) by screws.

8. A flat wire servo cam cut-off mechanism for a stator according to claim 1, characterized in that: A linear drive motor (5) is arranged at the left position of the side connecting plate (1), and the linear drive motor (5) is electrically connected to an external power supply.