CN111509933A

CN111509933A - Pressing device for motor bearing seat of electric vehicle

Info

Publication number: CN111509933A
Application number: CN202010480887.4A
Authority: CN
Inventors: 孙雪峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2020-08-07

Abstract

The invention discloses a pressing device of a motor bearing seat of an electric vehicle, which belongs to the technical field of motor production and comprises a bottom plate, wherein vertical frames are symmetrically arranged at the left and right of the top end of the bottom plate, a top plate is arranged at the top of each vertical frame, a pressure head driving cylinder is arranged at the bottom end of the top plate, a pressing block is fixedly connected to the bottom end of the pressure head driving cylinder, and a supporting table is arranged in the middle of the top end of the bottom plate. The pressing efficiency is improved.

Description

Pressing device for motor bearing seat of electric vehicle

Technical Field

The invention relates to the technical field of motor production, in particular to a pressing device for a motor bearing seat of an electric vehicle.

Background

A micro-motor, i.e. a micro-motor, refers to a motor with a diameter less than 160mm or a rated power less than 750mW, and is generally powered by a battery. The micro-motor is commonly used in a control system or a transmission mechanical load and is used for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like.

The micromotor generally comprises a shell, an end cover, a rotor and a stator arranged in the shell, wherein the stator generally adopts magnetic steel, the outer side surface of the end cover is provided with a power supply connector, and the inner side surface of the end cover is provided with an electric brush connected with the power supply connector; the rotor comprises a rotating shaft, an iron core, a coil winding and a commutator, wherein the iron core is generally composed of a plurality of iron core sheets, the iron core sheets are connected to the middle part of the rotating shaft through connecting blocks, the coil winding is wound on the connecting blocks between the iron core sheets and the rotating shaft, and the commutator is installed at the rear end of the rotating shaft.

For a hollow cup micro motor, a stator of the hollow cup micro motor is generally cylindrical and comprises a cylindrical shell and a bearing arranged at one end of the cylindrical shell, and the bearing is used for installing a rotating shaft of a rotor. However, the cylindrical housing and the bearing are likely to jump during the vertical pressing, and the bearing position is likely to be deviated, which leads to an increase in defective rate.

Based on the above, the invention designs a pressing device for a motor bearing seat of an electric vehicle, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a pressing device for a motor bearing seat of an electric vehicle, which is used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a pressing device of a motor bearing seat of an electric vehicle comprises a bottom plate, wherein vertical frames are symmetrically arranged on the left and right of the top end of the bottom plate, a top plate is arranged at the top of the vertical frame, a pressure head driving cylinder is arranged at the bottom end of the top plate, a pressing block is fixedly connected at the bottom end of the pressure head driving cylinder, a supporting platform is arranged in the middle of the top end of the bottom plate, supporting columns are arranged at intervals on the top end of the supporting platform, a bearing groove is arranged in the middle of the top end of the supporting column, a positioning rod is arranged in the center of the bearing groove, a bearing is arranged in the bearing groove, the positioning rod penetrates through a central hole of the bearing inner ring, the upper part of the supporting column is sleeved with a stator, the supporting table is characterized in that a lifting plate is arranged above the supporting table, impact blocks are arranged on the lifting plate at intervals and correspond to the supporting columns one by one, lifting mechanisms are symmetrically arranged on opposite surfaces of the vertical frames on two sides, and the left end and the right end of the lifting plate are fixedly connected with movable ends of the lifting mechanisms.

Preferably, the left and right sides of the top end of the pressing block are symmetrically provided with limiting telescopic rods, and the top ends of the limiting telescopic rods are fixedly connected with the bottom end of the top plate.

Preferably, the top surface of brace table is provided with the board of withdrawing, the support column activity runs through the board of withdrawing, the top bilateral symmetry of bottom plate is provided with the cylinder of withdrawing, the top rigid coupling of the cylinder of withdrawing is withdrawn the bottom surface of board.

Preferably, elevating system is including seting up the spout on erecting the frame, vertical rotation is provided with the lead screw in the spout, the spiro union has the slider on the lead screw, slider and lifter plate rigid coupling, the lower part of lead screw is provided with driven gear, the lower part of erecting the frame is equipped with driving motor, driving motor's output is provided with the driving gear, the driving gear is connected with driven gear meshing.

Preferably, the driving motor is a servo motor.

Preferably, the striking block comprises a cylinder, a limiting convex ring is arranged on the upper portion of the cylinder, a groove is formed in the bottom end of the cylinder, a limiting hole is formed in the top wall of the groove, the limiting hole is matched with the positioning rod, a pressing block is arranged in the groove, a reset spring is arranged between the top surface of the pressing block and the top surface of the groove, and a channel is formed in the center of the pressing block.

Compared with the prior art, the invention has the beneficial effects that: according to the stator pressing device, the bearing can be effectively positioned when the stator is impacted through the supporting column, the positioning rod, the impacting block and the like, the surface of the bearing can be protected due to the arrangement of the pressing block and the reset spring, the bearing is prevented from being damaged when the supporting column impacts the stator, meanwhile, the bearing can be prevented from jumping, the pressed stator and the pressed bearing can be automatically withdrawn through the withdrawing plate and the withdrawing cylinder, the stator and the bearing are more convenient to take and unload, a plurality of stators and the bearings can be pressed at one time through the scheme, and the pressing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the lifting mechanism of the present invention;

FIG. 3 is a schematic view of a support pillar structure according to the present invention;

FIG. 4 is an enlarged view of the invention at A.

In the drawings, the components represented by the respective reference numerals are listed below:

1-bottom plate, 2-vertical frame, 3-top plate, 4-pressure head driving cylinder, 5-pressing block, 6-limiting telescopic rod, 7-supporting table, 8-supporting column, 9-stator, 10-bearing, 11-withdrawing plate, 12-withdrawing cylinder, 13-lifting mechanism, 14-lifting plate, 15-impact block, 81-bearing groove, 82-positioning rod, 131-sliding groove, 132-screw rod, 133-sliding block, 134-driven gear, 135-driving motor, 136-driving gear, 151-cylinder, 152-limiting convex ring, 153-groove, 154-limiting hole, 155-pressing block, 156-reset spring and 157-channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a compression fittings of electric motor car motor bearing frame, including bottom plate 1, the top bilateral symmetry of bottom plate 1 is provided with and erects frame 2, it is equipped with roof 3 to erect 2 tops of frame, the bottom of roof 3 is provided with the pressure head and drives actuating cylinder 4, the bottom rigid coupling that the pressure head drove actuating cylinder 4 has briquetting 5, the top middle part of bottom plate 1 is provided with brace table 7, brace table 7's top interval is equipped with support column 8, bearing groove 81 has been seted up at support column 8's top middle part, the center of bearing groove 81 is provided with locating lever 82, bearing 10 is equipped with in the bearing groove 81, locating lever 82 passes bearing 10 inner circle centre bore, support column 82 upper portion cover has stator 9, brace table 7's top is provided with lifter plate 14, the interval is provided with striking piece 15 on the lifter plate 14, striking piece 15 and support column 8 one-to-one, the symmetry is provided with elevating.

Further, the left and right sides of the top end of the pressing block 5 are symmetrically provided with limiting telescopic rods 6, and the top ends of the limiting telescopic rods 6 are fixedly connected with the bottom end of the top plate 3.

Furthermore, the top surface of the supporting table 7 is provided with an exit plate 11, the supporting column 8 movably penetrates through the exit plate 11, exit cylinders 12 are symmetrically arranged on the left and right of the top end of the bottom plate 1, and the top ends of the exit cylinders 12 are fixedly connected with the bottom surface of the exit plate 11.

Further, the lifting mechanism 13 includes a chute 131 opened on the vertical frame 1, a screw 132 is vertically rotatably disposed in the chute 131, a slider 133 is screwed on the screw 132, the slider 133 is fixedly connected with the lifting plate 14, a driven gear 134 is disposed at the lower portion of the screw 132, a driving motor 135 is disposed at the lower portion of the vertical frame 1, a driving gear 136 is disposed at the output end of the driving motor 135, and the driving gear 136 is engaged with the driven gear 134.

Further, the driving motor 135 is a servo motor.

Further, the striking block 15 includes a cylinder 151, a limiting convex ring 152 is arranged on the upper portion of the cylinder 151, a groove 153 is arranged at the bottom end of the cylinder 151, a limiting hole 154 is arranged on the top wall of the groove 153, the limiting hole 154 is matched with the positioning rod 82, a pressing block 155 is arranged in the groove 153, a return spring 156 is arranged between the top surface of the pressing block 155 and the top surface of the groove 153, and a channel 157 is arranged at the center of the pressing block 155.

The working principle is as follows: installing the bearing 10 and the stator 9 at corresponding positions on the support column 8, then starting the lifting mechanism 13 to enable the lifting plate 14 to move downwards, then enabling the impact block 15 to move downwards, enabling the positioning rod 82 to be inserted into the limiting hole 154, enabling the pressing block 155 to elastically abut against the surface of the bearing, then starting the pressure head to drive the air cylinder 4, pushing the pressing block 5 to collide with the impact block 15 in a reciprocating mode, and accordingly achieving an impact pressing process of the stator 9 and the bearing 10;

after the pressing is finished, the pressure head drives the cylinder 4 and the lifting plate 14 to reset, at the moment, the withdrawing cylinder 12 is started, the withdrawing plate 11 is pushed to move upwards, and the stator 9 and the bearing 10 are pushed out.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above disclosure of further embodiments of the invention is intended only to facilitate the explanation of the invention. Further examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a compression fittings of electric motor car motor bearing frame, including bottom plate (1), its characterized in that: the top bilateral symmetry of bottom plate (1) is provided with vertical frames (2), the top of vertical frame (2) is equipped with roof (3), the bottom of roof (3) is provided with pressure head driving cylinder (4), the bottom rigid coupling of pressure head driving cylinder (4) has briquetting (5), the top middle part of bottom plate (1) is provided with brace table (7), the top interval of brace table (7) is equipped with support column (8), the top middle part of support column (8) has seted up bearing groove (81), the center of bearing groove (81) is provided with locating lever (82), bearing (10) is equipped with in bearing groove (81), locating lever (82) passes bearing (10) inner circle centre bore, support column (82) upper portion cover has stator (9), the top of brace table (7) is provided with lifter plate (14), the interval is provided with striking block (15) on lifter plate (14), striking piece (15) and support column (8) one-to-one, both sides the symmetry is provided with elevating system (13) on the opposite face of erecting frame (2), both ends and the expansion end rigid coupling of elevating system (13) about lifter plate (14).

2. The pressing device for the bearing seat of the motor of the electric vehicle as claimed in claim 1, wherein: the left and right sides of the top end of the pressing block (5) are symmetrically provided with limiting telescopic rods (6), and the top ends of the limiting telescopic rods (6) are fixedly connected with the bottom end of the top plate (3).

3. The pressing device for the bearing seat of the motor of the electric vehicle as claimed in claim 1, wherein: the top surface of brace table (7) is provided with and withdraws from board (11), support column (8) activity runs through and withdraws from board (11), the top bilateral symmetry of bottom plate (1) is provided with and withdraws from cylinder (12), the bottom surface that the top rigid coupling of withdrawing from cylinder (12) withdraws from board (11).

4. The pressing device for the bearing seat of the motor of the electric vehicle as claimed in claim 1, wherein: elevating system (13) including seting up spout (131) on erecting frame (1), vertical rotation is provided with lead screw (132) in spout (131), the spiro union has slider (133) on lead screw (132), slider (133) and lifter plate (14) rigid coupling, the lower part of lead screw (132) is provided with driven gear (134), the lower part of erecting frame (1) is equipped with driving motor (135), the output of driving motor (135) is provided with driving gear (136), driving gear (136) are connected with driven gear (134) meshing.

5. The pressing device for the bearing seat of the motor of the electric vehicle as claimed in claim 4, wherein: the driving motor (135) is a servo motor.

6. The pressing device for the bearing seat of the motor of the electric vehicle as claimed in claim 1, wherein: striking piece (15) are including cylinder (151), the upper portion of cylinder (151) is equipped with spacing bulge loop (152), the bottom of cylinder (151) is equipped with recess (153), recess (153) roof is provided with spacing hole (154), spacing hole (154) cooperate with locating lever (82), be equipped with compact heap (155) in recess (153), be equipped with reset spring (156) between the top surface of compact heap (155) and recess (153) top surface, the center of compact heap (155) is equipped with passageway (157).