CN210780440U

CN210780440U - A anchor clamps frock for electric motor rotor and commutator pressure equipment

Info

Publication number: CN210780440U
Application number: CN201921775949.3U
Authority: CN
Inventors: 秦军
Original assignee: Wuhu Duly Motor Co ltd
Current assignee: Wuhu Duly Motor Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-16
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a fixture tool for press mounting of a motor rotor and a commutator, which comprises a bottom plate, an upper pressing plate, a fixed seat and a guide post, wherein the upper pressing plate is positioned on the upper part of the bottom plate in parallel, the fixed seat is fixedly arranged in the middle of the top end of the bottom plate, the upper pressing plate is connected with the bottom plate through the guide post, a spring is sleeved on the guide post, and the spring is positioned between the bottom plate and the upper pressing plate; a commutator holding groove is formed in the middle of the top end of the fixing seat, and a clamping block is arranged on the inner wall of the commutator holding groove; the through-hole has been seted up at the middle part of top board, and the top of top board is provided with the spacing arch that equals with fixture block quantity, and spacing arch is located the lateral part of through-hole, and spacing arch sets up with the fixture block position is relative. The utility model discloses the wire casing to among the prior art anchor clamps frock not fastening, electric motor rotor and the commutator periphery of electric motor rotor and commutator's clamping improves the scheduling problem that can not the accurate alignment, the utility model has the advantages of the wire casing accuracy alignment of clamping fastening, messenger electric motor rotor and commutator periphery.

Description

A anchor clamps frock for electric motor rotor and commutator pressure equipment

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to an anchor clamps frock that is used for electric motor rotor and commutator pressure equipment.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and the main function of the motor is to generate driving torque as a power source of an electric appliance or various machines, the motor generally comprises a shell, a stator and a rotor, the stator is arranged in the shell, the rotor is arranged in the stator, one end of the rotor of the direct current motor is fixedly sleeved with a commutator, the commutator is commonly called a commutator, and is a component on the direct current motor for enabling the motor to continuously rotate, the peripheries of the commutator and the rotor of the motor are provided with wire grooves, coil windings are wound in the wire grooves on the peripheries of the commutator and the rotor of the motor, when the coil windings pass through current, the commutator can rotate under the action of a permanent magnet through attraction and repulsion forces, when the coil windings are balanced with the magnet, the originally electrified wires are separated from electric brushes compared with contact pieces on the corresponding commutator, the electric brush is connected to the contact corresponding to the coil group generating the driving force, so that the direct current motor rotates continuously and repeatedly.

The clamp tool for press fitting of the motor rotor and the commutator in the prior art is not used for tightly clamping the motor rotor and the commutator, the motor rotor and the commutator are easy to shake in the press fitting process, so that the press fitting quality is affected, and the motor rotor and the commutator are easy to damage.

To above technical problem, the utility model discloses an anchor clamps frock for electric motor rotor and commutator pressure equipment, the utility model discloses the accuracy that the wire casing that has clamping fastening, pressure equipment high quality, commutator and electric motor rotor periphery was aimed at is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, a anchor clamps frock for electric motor rotor and commutator pressure equipment is provided, with the clamping of solving among the prior art anchor clamps frock to electric motor rotor and commutator not fastening, in-process electric motor rotor and commutator at the pressure equipment rock easily, thereby influence the quality of pressure equipment, current anchor clamps frock can not make the wire casing position accurate alignment of electric motor rotor and commutator periphery when carrying out the pressure equipment to electric motor rotor and commutator, thereby be not convenient for technical problem such as coiling of later stage coil winding, the utility model has the advantages of the clamping fastening, the pressure equipment high quality, the accuracy height that the wire casing of commutator and electric motor rotor periphery was aimed at.

The utility model discloses a following technical scheme realizes: the utility model discloses a fixture tool for press mounting of a motor rotor and a commutator, which comprises a bottom plate, an upper pressing plate, a fixed seat and a guide post, wherein the upper pressing plate is positioned on the upper part of the bottom plate in parallel, the fixed seat is positioned between the bottom plate and the upper pressing plate, the fixed seat is fixedly arranged in the middle of the top end of the bottom plate, two ends of the upper pressing plate are respectively connected with two ends of the bottom plate through the guide post, a spring is sleeved on the guide post, and the spring is positioned between the bottom plate and the upper pressing plate; a commutator holding groove is formed in the middle of the top end of the fixing seat, and a clamping block is vertically arranged on the inner wall of the commutator holding groove; the through-hole has been seted up at the middle part of top board, and the through-hole sets up with commutator standing groove position relatively, and the top of top board still is provided with spacing arch, and spacing arch is located the lateral part of through-hole to spacing arch equals with the number of fixture block, and spacing arch sets up with the fixture block position relatively, and the fixture block that sets up relatively and the axis three of spacing arch and through-hole are on the coplanar.

Furthermore, in order to limit the upper pressure plate and prevent the upper pressure plate from being excessively pressed downwards to crush the motor rotor and the commutator, a limiting device is arranged at the top end of the bottom plate and is positioned between the fixed seat and the guide post.

Further, for the convenience of being convenient for, highly adjusting stop device, stop device includes fixed cover, double-screw bolt and lock nut, and the bottom fixed mounting of fixed cover is on the top of bottom plate, and threaded connection is passed through in the threaded hole at fixed cover middle part in the bottom of double-screw bolt, and lock nut spiro union is on the double-screw bolt, and the top of double-screw bolt still is provided with the spacing ring.

Further, for better carry on spacingly to electric motor rotor and commutator, improve the fastening nature of electric motor rotor and commutator clamping, improve the quality of pressure equipment, the fixture block is three with spacing bellied number, three fixture block evenly distributed is on the inner wall of commutator standing groove, three spacing protruding evenly distributed is in the outside of through-hole.

Further, for better spacing motor rotor, the top of top board still is provided with three cowl, and three cowl is located three spacing bellied outside respectively.

Further, in order to carry out better protection to electric motor rotor, prevent that cowl from causing the damage to electric motor rotor, cowl's inboard still is provided with the rubber pad.

The utility model has the advantages of it is following: the utility model limits the motor rotor through the limiting bulge and the arc baffle, limits the commutator through the commutator placing groove and the fixture block, prevents the motor rotor and the commutator from loosening in the press mounting process, and improves the quality of the press mounting; the utility model discloses a set up spacing arch and fixture block, spacing arch sets up with the fixture block position relatively, and the fixture block and the axis of spacing arch and through-hole that set up relatively are on the coplanar to can guarantee the wire casing of electric motor rotor periphery and the wire casing accurate alignment of commutator periphery, the coiling of the later stage coil winding of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a sectional view of the mounting bracket;

fig. 3 is a schematic structural view of the upper platen.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a fixture tool for press mounting of a motor rotor and a commutator, as shown in fig. 1, the fixture tool comprises a bottom plate 1, an upper press plate 2, a fixing seat 3 and a guide post 4, the upper press plate 2 is located on the upper portion of the bottom plate 1 in parallel, the fixing seat 2 is located between the bottom plate 1 and the upper press plate 2, the fixing seat 2 is fixedly installed in the middle of the top end of the bottom plate 1, specifically, the fixing seat 3 is fixedly welded or screwed with the bottom plate 1, two ends of the upper press plate 2 are respectively connected with two ends of the bottom plate 1 through the guide post 4, specifically, the bottom end of the guide post 4 is fixedly welded or screwed with the top end of the bottom plate 1, the top of the guide post 4 passes through a sliding hole (not shown in the drawing) at two ends of the upper press plate 2, the top of the guide post 4 is further sleeved with a linear bearing (not shown in the drawing), the linear bearing is fixedly, the spring 41 is positioned between the bottom plate 1 and the upper pressing plate 2, the top end of the bottom plate 1 is further provided with a limiting device 5, the limiting device 5 is positioned between the fixed seat 3 and the guide post 4, the limiting device 5 comprises a fixed sleeve 51, a stud 52 and a locking nut 53, the bottom end of the fixed sleeve 51 is fixedly installed at the top end of the bottom plate 1, specifically, the fixed sleeve 51 is welded and fixed or screwed and fixed with the bottom plate 1, the bottom end of the stud 52 is connected in a threaded hole (not marked in the drawing) in the middle of the fixed sleeve 51 through threads, the locking nut 53 is screwed and connected on the stud 52, the top end of the stud 52 is further provided with a limiting ring 521, and after the height of the stud 52 is adjusted by rotating the stud 52, the; as shown in fig. 1 and 2, a commutator placing groove 31 is formed in the middle of the top end of the fixed seat 3, three clamping blocks 32 are vertically arranged on the inner wall of the commutator placing groove 31, and the three clamping blocks 32 are uniformly distributed on the inner wall of the commutator placing groove 31; as shown in fig. 1 and 3, through-hole 21 has been seted up at the middle part of top board 2, through-hole 21 sets up with commutator standing groove 31 position relatively, the top of top board 2 still is provided with spacing arch 22 that equals with fixture block 32 quantity, spacing arch 22 is located the lateral part of through-hole 21, spacing arch 22's number is three, three spacing arch 22 evenly distributed is in the outside of through-hole 21, three spacing arch 22 sets up with three fixture block 32 position relatively respectively, the fixture block 32 that sets up relatively and the axis three of spacing arch 22 and through-hole 21 are on the coplanar, the top of top board 2 still is provided with three cowl 23, three cowl 23 is located the outside of three spacing arch 22 respectively, cowl 23's inboard still is provided with rubber pad 231.

The working process of the utility model is as follows: when the fixture works, the fixture tool is fixedly arranged on a punching machine, the commutator is arranged in the commutator arranging groove 31, the fixture blocks 32 are clamped in the wire grooves in the periphery of the commutator respectively, the motor rotor is arranged between the arc-shaped baffles 23 at the top end of the upper pressing plate 2, the limiting protrusions 22 are clamped at the bottom of the wire grooves in the periphery of the motor rotor, the commutator is limited by the commutator arranging groove 31 and the fixture blocks 32, the motor rotor is limited by the arc-shaped baffles 23 and the limiting protrusions 22, the motor rotor and the commutator are prevented from loosening in the press mounting process, the quality of the press mounting is improved, the rubber pads 231 on the inner sides of the arc-shaped baffles 23 can also play a role in protecting the motor rotor, the electronic rotor and the arc-shaped baffles 23 are prevented from being damaged due to the fact that the limiting protrusions 22 are arranged opposite to the fixture blocks 32, and the fixture blocks 32 arranged oppositely can protect the motor, Spacing arch 22 is on the coplanar with the axis three of through-hole 21, thereby can guarantee the wire casing of electric motor rotor periphery and the accurate alignment of wire casing position of commutator periphery, thereby be convenient for later stage coil winding's coiling, electric motor rotor and the firm installation back of commutator, drive electric motor rotor and 2 downstream of top board through the punch press, thereby make electric motor rotor's pivot tip fastening pressure equipment advance in the shaft hole at commutator middle part, stop device 5 is used for spacing to the top board, prevent that top board 2 from pushing down excessively and crushing electric motor rotor and commutator.

Claims

1. A fixture tool for press mounting of a motor rotor and a commutator is characterized by comprising a bottom plate, an upper pressure plate, a fixed seat and a guide post, wherein the upper pressure plate is parallelly positioned at the upper part of the bottom plate, the fixed seat is positioned between the bottom plate and the upper pressure plate, the fixed seat is fixedly installed in the middle of the top end of the bottom plate, two ends of the upper pressure plate are respectively connected with two ends of the bottom plate through the guide post, a spring is sleeved on the guide post, and the spring is positioned between the bottom plate and the upper pressure plate;

a commutator placing groove is formed in the middle of the top end of the fixed seat, and a clamping block is vertically arranged on the inner wall of the commutator placing groove;

the middle part of the upper press plate is provided with a through hole, the through hole and the commutator placing groove are oppositely arranged, the top end of the upper press plate is also provided with a limiting bulge, the limiting bulge is positioned on the side part of the through hole, the number of the limiting bulge is equal to that of the fixture blocks, the limiting bulge and the fixture blocks are oppositely arranged, and the fixture blocks, the limiting bulge and the central axis of the through hole which are oppositely arranged are on the same plane.

2. A fixture tool for press mounting of a rotor and a commutator of an electric motor according to claim 1, wherein a limiting device is arranged at the top end of the bottom plate, and the limiting device is located between the fixing seat and the guide post.

3. The fixture tool for press mounting of the rotor and the commutator of the motor as claimed in claim 2, wherein the limiting device comprises a fixing sleeve, a stud and a lock nut, the bottom end of the fixing sleeve is fixedly mounted at the top end of the bottom plate, the bottom end of the stud is connected with a threaded hole in the middle of the fixing sleeve through threads, the lock nut is screwed on the stud, and a limiting ring is further arranged at the top end of the stud.

4. The fixture tool for press mounting of the motor rotor and the commutator according to claim 1, wherein the number of the fixture blocks and the limiting protrusions is three, the three fixture blocks are uniformly distributed on the inner wall of the commutator accommodating groove, and the three limiting protrusions are uniformly distributed on the outer side of the through hole.

5. The fixture tool for press mounting of the motor rotor and the commutator according to claim 4, wherein three arc-shaped baffles are further arranged at the top end of the upper pressure plate, and the three arc-shaped baffles are respectively positioned at the outer sides of the three limiting protrusions.

6. A clamp tool for press fitting of a motor rotor and a commutator as claimed in claim 5, wherein a rubber pad is further disposed on the inner side of the arc-shaped baffle.