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CN-224233506-U - Directional reason material mechanism of motor rotor towards piece

CN224233506UCN 224233506 UCN224233506 UCN 224233506UCN-224233506-U

Abstract

The utility model discloses a directional material arranging mechanism for motor rotor punching sheets, and belongs to the technical field of motor manufacturing. The mechanism comprises a mounting substrate, a servo motor and a guide shaft with a positioning strip, wherein the servo motor drives the guide shaft to rotate in a transient speed change manner through a connecting shaft. The guide shaft is axially provided with a detachable T-shaped positioning strip, the radial bulge of the positioning strip is in limit fit with an inner hole opening of the punching sheet, the servo motor is instantaneously changed to enable the punching sheet to generate relative rotation speed difference due to inertia so as to enable the opening to be automatically aligned with the bulge, the top of the guide shaft adopts a conical guide structure, and a torsion spring is arranged in the connecting shaft to provide elastic reset and buffering. The utility model realizes high-speed automatic orientation of the punched sheets through electromechanical cooperative control, has the advantages of high positioning precision, quick dynamic response, modularized structure and the like, solves the problems of low material arranging efficiency and high manual dependency degree of the traditional material arranging method, and is particularly suitable for automatic stacking production of the multi-specification rotor punched sheets.

Inventors

  • LU CHUANXIANG
  • ZHANG CAIXIA

Assignees

  • 浦江蜂鸟自动化科技有限公司

Dates

Publication Date
20260512
Application Date
20250604

Claims (6)

  1. 1. The directional material arranging mechanism for the motor rotor punching sheets is characterized by comprising a mounting substrate (1), a servo motor (2) and a guide shaft (3), wherein the servo motor (2) is fixedly arranged on the upper surface of the mounting substrate (1), and an output shaft of the servo motor is coaxially connected with a connecting shaft (5) through a coupler; The outer surface of the guide shaft (3) is axially provided with a positioning strip (32), and the outer circumferential surface of the positioning strip (32) is provided with a radial bulge (33) for being matched and limited with an opening (41) of an inner hole of the motor rotor punching sheet (4); The servo motor (2) drives the guide shaft (3) to do instantaneous speed-changing acceleration and deceleration rotation.
  2. 2. The directional material arranging mechanism of motor rotor punching sheets according to claim 1, wherein a T-shaped notch (34) is formed in the side wall of the guide shaft (3), the positioning strip (32) is a T-shaped structural member matched with the T-shaped notch (34), and the positioning strip is detachably inserted and fixed in the guide shaft (3) through the T-shaped notch (34).
  3. 3. The directional material arranging mechanism of motor rotor punching sheets according to claim 1, wherein the radial protrusions (33) of the positioning strips (32) partially protrude out of the outer peripheral surface of the guide shaft (3) when the radial protrusions are inserted into the guide shaft (3) and form limit fit with the holes (41) of the inner holes of the motor rotor punching sheets (4); The motor rotor punching sheet (4) keeps high speed due to inertia and generates relative rotation speed difference with the guide shaft (3) when the servo motor (2) performs acceleration and deceleration rotation with instantaneous speed change, the holes (41) and the radial protrusions (33) are driven to circumferentially align, and the motor rotor punching sheet (4) slides down to the bottom along the guide shaft (3).
  4. 4. The directional material arranging mechanism for motor rotor punching sheets, as set forth in claim 1, is characterized in that the output end of the servo motor (2) is provided with a connecting shaft (5), and the guiding shaft (3) is detachably arranged inside the connecting shaft (5); The connecting shaft (5) is further provided with a torsion spring (6), and two ends of the torsion spring (6) are respectively abutted against the connecting shaft (5) and the guide shaft (3) and used for providing elastic restoring force for the guide shaft (3).
  5. 5. The directional material arranging mechanism for motor rotor punching sheets according to claim 1, wherein the top of the guide shaft (3) is a conical structure (31) for guiding the motor rotor punching sheets (4) to fall.
  6. 6. The directional material arranging mechanism of motor rotor punching sheets according to claim 1, wherein the servo motor (2) has an instantaneous acceleration and deceleration function, the rotating speed control precision reaches +/-5 rpm, and the acceleration process from the base speed to the peak rotating speed can be completed within 0.2 s.

Description

Directional reason material mechanism of motor rotor towards piece Technical Field The utility model relates to the technical field of motor manufacturing, in particular to a directional material arranging mechanism for motor rotor punching sheets. Background In the motor manufacturing process, a motor rotor is formed by laminating a plurality of punching sheets. To ensure motor performance, these punches need to be aligned and aligned in a specific direction (typically the direction of the keyways or openings of the bores), i.e., oriented, prior to lamination. The traditional motor rotor punching sheet material arranging method is mainly operated manually, has low efficiency and high labor intensity, and is easy to make mistakes to cause high product reject ratio. Although some automatic equipment can realize automatic material arrangement, the traditional method makes quick and full-automatic material arrangement difficult to realize, and at the moment, manual treatment is often needed, so that full automation cannot be realized and material arrangement efficiency is low. Disclosure of utility model The utility model aims to solve the problems of low efficiency, low precision, complex structure or higher cost of motor rotor punching sheet arrangement in the prior art, and provides a novel motor rotor punching sheet orientation mechanism so as to realize efficient and accurate automatic orientation arrangement. The utility model also provides a motor rotor punching directional material arranging mechanism which comprises a mounting substrate, a servo motor and a guide shaft, The servo motor is fixedly arranged on the mounting substrate, an output shaft of the servo motor is coaxially connected with the connecting shaft through a coupler, a positioning strip is arranged on the outer surface of the guide shaft along the axial direction, a radial protrusion is arranged on the outer circumferential surface of the positioning strip and used for being matched with an opening of an inner hole of the punching sheet to limit, and the servo motor drives the guide shaft to perform instantaneous speed-changing acceleration and deceleration rotation. Further, a T-shaped notch is formed in the side wall of the guide shaft, and the positioning strip is a T-shaped structural member matched with the T-shaped notch and is detachably inserted and fixed in the guide shaft through the T-shaped notch. Further, when the radial protrusions of the positioning strips are inserted into the guide shafts, the radial protrusions partially protrude out of the outer peripheral surfaces of the guide shafts and form limit fit with the holes of the inner holes of the punching sheets. When the servo motor performs instantaneous speed-changing acceleration and deceleration rotation, the motor rotor punching sheet keeps high speed due to inertia and generates relative rotation speed difference with the guide shaft, so that the open hole and the radial bulge are circumferentially aligned, and the motor rotor punching sheet slides downwards to the bottom along the guide shaft. Further, the output end of the servo motor is provided with a connecting shaft, the guide shaft is detachably arranged in the connecting shaft, the connecting shaft is also provided with a torsion spring, and two ends of the torsion spring are respectively abutted to the connecting shaft and the guide shaft and used for providing elastic restoring force for the guide shaft. Further, the top of the guide shaft is of a conical structure and is used for guiding the punching sheet to fall. Further, the servo motor has an instantaneous acceleration and deceleration function, the rotating speed control precision reaches +/-5 rpm, and the acceleration process from the base speed to the peak rotating speed can be completed within 0.2 seconds. Compared with the prior art, the utility model has the beneficial effects that: 1. The automatic feeding device has the advantages of high automation degree and high efficiency, the instantaneous acceleration and deceleration of the guide shaft are controlled by the servo motor, the automatic alignment is realized by utilizing the inertia of the punching sheet, the material arranging efficiency is greatly improved, and the labor cost is reduced. 2. Accurate positioning, namely, by accurately controlling the rotating speed and the acceleration and deceleration of the servo motor and designing the positioning strips and the radial protrusions, the accurate circumferential alignment of the holes of the inner holes of the punching sheet and the guide shaft can be realized, and the material arranging accuracy is ensured. 3. The mechanism mainly comprises a servo motor, a guide shaft, a positioning strip and the like, is relatively simple in structure, easy to manufacture and maintain and high in reliability. 4. The positioning strip is designed by adopting a detachable T-shaped structural member, so that the positioning strip is convenient to repl