CN217824647U

CN217824647U - Motor bearing shaft pressing device

Info

Publication number: CN217824647U
Application number: CN202222036624.1U
Authority: CN
Inventors: 王星; 徐利利; 陈志峰
Original assignee: Guangdong Yadea Motorcycle Co Ltd
Current assignee: Guangdong Yadea Motorcycle Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-15
Anticipated expiration: 2032-08-03

Abstract

The utility model belongs to the technical field of electric motor car motor production facility, a motor bearing axle pressing device is disclosed, including a workbench, a portal frame and a driving unit arranged on the portal frame and used for pressing a motor shaft into a motor bearing, and also including a motor supporting seat, wherein the motor supporting seat is provided with a shaft hole capable of accommodating the motor shaft; a stroke cylinder is arranged on the portal frame, and a stroke rod of the stroke cylinder is connected with the driving unit and moves synchronously; the stroke cylinder is used for recording the stroke of the driving unit and controlling the driving unit to act or stop acting. The utility model discloses a synchronous motion and the record stroke of stroke jar make drive unit's pushing down have comparatively stable stroke control, and the last item production is improved to the stable and standardization of last item process last item stroke of motor that reduces.

Description

Motor bearing shaft pressing device

Technical Field

The utility model belongs to the technical field of electric motor car motor production facility, concretely relates to motor bearing last item device.

Background

When the motor of the electric vehicle is manufactured, a motor shaft needs to be pressed into a hole in the center of a motor bearing and penetrates out of the hole to form a left shaft and a right shaft which are connected with the electric vehicle.

Chinese patent 202020590864.4 discloses a motor last item location fixing device, including the hydraulic press main part, the bottom of hydraulic press main part is equipped with the workstation, vertically welded has the direction slide bar between the top of workstation and the hydraulic press main part, the cover has the sliding sleeve on the direction slide bar, the outer wall welding of sliding sleeve has the gangbar, and the tip welding of gangbar has the extrusion seat, the top of workstation is equipped with the bearing seat, be equipped with the axle center through-hole in the bearing seat.

This motor last item location fixing device puts into the recess of mount pad through the rotor section of thick bamboo, has improved the stability of last item in-process rotor section of thick bamboo, and the sliding sleeve that extrusion seat removed the in-process cooperation and connect slides on the guide slide bar, has improved and can fall perpendicularly after extrusion seat is applyed decurrent pressure, has reduced the error that the rotor shaft relied on technical staff experience installation with the rotor section of thick bamboo, has also improved motor last item in-process, location and fixed stable effect.

The device can be installed by referring to a motor pressing shaft for the motor, but the stroke control of the device on the hydraulic machine cannot be adjusted and kept stable, if the stroke of the hydraulic machine has a certain error, the motor shaft is installed wrongly, and the motor shaft needs to be detached and installed again, so that the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor bearing last item device controls the motor shaft effectively and presses the stroke of advancing the motor bearing for the last item process of motor bearing is more stable effective, improves production efficiency.

In order to achieve the above object, the utility model provides a following technical scheme:

a motor bearing pressing shaft device comprises a workbench, a portal frame, a driving unit arranged on the portal frame and used for pressing a motor shaft into a motor bearing, and a motor supporting seat, wherein the motor supporting seat is provided with a shaft hole capable of accommodating the motor shaft; a stroke cylinder is arranged on the portal frame, and a stroke rod of the stroke cylinder is connected with the driving unit and moves synchronously; the stroke cylinder is used for recording the stroke of the driving unit and controlling the driving unit to act or stop acting.

In the motor shaft bearing device, the motor supporting seat is arranged on the workbench.

In the motor shaft bearing device, the workbench is provided with a first positioning block, the first positioning block is provided with a first concave part, and the first concave part is matched with the surface shape of the motor supporting seat; when the motor supporting seat moves into the first concave part, the shaft hole is over against the power output end of the driving unit.

In the motor shaft bearing shaft device, the motor support seat is cylindrical, and the first concave part is semicircular.

The motor shaft bearing shaft device further comprises a second positioning block, wherein the second positioning block is fixed on one side, close to an operator, of the workbench; and a second concave part is arranged on the second positioning block, and the radius of the second concave part is larger than that of the motor supporting seat.

In the motor shaft bearing device, the workbench is provided with a pair of strip grooves; the first positioning block and the second positioning block are locked on the strip-shaped groove in a position-adjustable mode through bolts.

In the motor shaft bearing shaft device, the motor shaft bearing shaft device further comprises a guide pillar sliding sleeve and a guide pillar, wherein the guide pillar is in sliding fit with the guide pillar sliding sleeve, the guide pillar sliding sleeve is fixed on the portal frame, the power output end of the driving unit is connected with a connecting plate, and the lower end of the guide pillar is fixedly connected with the connecting plate.

In the motor shaft bearing shaft device, the upper part of the guide post is provided with the limit ring.

Compared with the prior art, the beneficial effects of the utility model are that: the synchronous movement of the stroke cylinder and the stroke recording enable the driving unit to be pressed down stably, the shaft pressing stroke of the shaft pressing process of the motor is stable and standardized, inferior products are reduced, and the production efficiency is improved.

Drawings

Fig. 1 is a perspective view 1 of an embodiment of the present invention (the controller and warning light are not shown);

fig. 2 is a perspective view 2 of an embodiment of the present invention (the controller and warning light are not shown);

fig. 3 is a rear view of an embodiment of the present invention (the controller and warning light are not shown);

fig. 4 is a right side view of an embodiment of the present invention (the controller and warning light are not shown);

fig. 5 is a top view of an embodiment of the present invention (the controller and warning light are not shown).

In the figure: 1. the device comprises a workbench, 2, a portal frame, 3, a hydraulic cylinder, 4, a stroke cylinder, 5, a long plate, 6, a pressing plate, 7, a positioning plate, 8, a first positioning block, 9, a second positioning block, 10, a motor supporting seat, 11, a guide pillar sliding sleeve, 12, a connecting plate, 13 and a guide pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the utility model provides a technical solution: a motor bearing shaft pressing device comprises a workbench 1, a portal frame 2, a driving unit arranged on the portal frame 2 and used for pressing a motor shaft into a motor bearing, and a motor supporting seat 10, wherein the motor supporting seat 10 is provided with a shaft hole capable of accommodating the motor shaft; a stroke cylinder 4 is arranged on the portal frame 2, and a stroke rod of the stroke cylinder 4 is connected with a driving unit and moves synchronously; the stroke cylinder 4 is used for recording the stroke of the driving unit and controlling the driving unit to act or stop acting.

In practical application, in order to further accurately control the position of the driving unit for pressing the motor shaft into the motor, the degree of matching of the motor shaft and the motor bearing is improved, and the product quality is improved, the stroke of the driving unit is accurately measured through the stroke cylinder 4 according to the technical scheme, and the stroke of the driving unit is controlled in a matched mode to stop the action of the driving unit so as to achieve the function of accurate control.

In this embodiment, the motor support base 10 is placed on the table 1.

In practical application, a worker aligns and places a motor bearing and a motor shaft on the motor support seat 10, then the driving unit is started to enable a power output end of the driving unit to press the motor shaft into the motor bearing, the stroke rod can synchronously move along with the power output end of the driving unit in the process, and when the stroke rod moves to a set stroke, the stroke cylinder 4 controls the driving unit to stop moving.

As an alternative of the present invention, the driving unit is a cylinder, a hydraulic cylinder or an electric cylinder.

In the present embodiment, the driving unit is a hydraulic cylinder 3.

As a preferable scheme of this embodiment, a pressure plate 6 is disposed at an end of a power output end of the hydraulic cylinder 3, and a positioning groove adapted to a shape of an end of a motor shaft is disposed on an end surface of the pressure plate 6.

In practical application, the positioning groove in the pressing plate 6 can be better matched with the motor shaft, so that the stress of the motor shaft is more uniform, and the situation that the motor shaft is stressed to deviate is effectively reduced in the process that the hydraulic cylinder 3 drives the pressing plate 6 to press the motor shaft to enter the motor bearing.

In this embodiment, the motor bearing shaft pressing device further includes a guide pillar sliding sleeve 11 and a guide pillar 13, the guide pillar 13 is in sliding fit with the guide pillar sliding sleeve 11, the guide pillar sliding sleeve 11 is fixed on the gantry 2, a connecting plate 12 is connected to the power output end of the hydraulic cylinder 3, and the lower end of the guide pillar 13 is fixedly connected to the connecting plate 12.

Furthermore, the upper part of the guide post 13 is provided with a limit ring to prevent the guide post 13 from moving down too much and falling off from the guide post sliding sleeve 11.

Furthermore, as a preferable scheme of the present embodiment, the stroke rod of the stroke cylinder 4 is connected with the power output end of the hydraulic cylinder 3 through a long plate 5 and a connecting plate 12, one end of the long plate 5 is fixedly connected with the end of the stroke rod, and the other end of the long plate 5 is fixedly connected with the connecting plate 12;

in practical application, when the hydraulic cylinder 3 is pressed down, the connecting plate 12 drives the stroke rod and the guide post 13 to move synchronously, the stroke cylinder 4 can control the stroke of the hydraulic cylinder 3 more accurately, and the guide post 13 can effectively reduce the probability that the hydraulic cylinder 3 deviates in the pressing down process.

In this embodiment, a first positioning block 8 is arranged on the worktable 1, a first concave portion is arranged on the first positioning block 8, and the first concave portion is matched with the surface shape of the motor support seat 10; when the motor support seat 10 moves into the first concave part, the shaft hole is opposite to the power output end of the hydraulic cylinder 3.

In practical application, a worker firstly aligns the motor bearing and the motor shaft to be prevented from being positioned on the motor support seat 10, then moves the motor support seat 10 into the first concave part, and then starts the hydraulic cylinder 3 to press the motor shaft into the motor bearing.

Preferably, the motor support 10 is cylindrical, and the first concave portion is semicircular, so that the motor support 10 can be more conveniently positioned.

In this embodiment, in order to facilitate that a worker can quickly take out a finished motor bearing and a finished motor shaft after the motor shaft is pressed into the motor bearing, and place a new motor bearing and a new motor shaft to perform a new shaft pressing process, the motor shaft pressing shaft device further includes a second positioning block 9, and the second positioning block 9 is fixed on one side of the workbench 1 close to an operator;

in practical application, after the motor shaft has pressed in the motor bearing, the workman only need remove motor supporting seat 10 to second locating piece 9 on, just can take out the motor bearing very easily, then place new motor bearing and motor shaft and carry out new last item process.

Furthermore, a second concave portion is formed in the second positioning block 9, and the radius of the second concave portion is larger than that of the motor support seat 10, so that the motor support seat 10 does not need to be accurately aligned by a worker due to the fact that the second positioning block 9 does not need to be accurately positioned, the motor support seat 10 can be basically placed in the second concave portion only by moving the motor support seat 10 to the second positioning block 9, the positioning trouble is reduced, and the working efficiency is improved.

As the preferred scheme of the utility model, in order to adapt to the motor bearings with different specifications, a pair of strip-shaped grooves is arranged on the workbench 1; the first positioning block 8 and the second positioning block 9 are locked on the strip-shaped groove in a position-adjustable mode through bolts, and the first positioning block 8 and the second positioning block 9 can be adjusted and replaced and the distance between the first positioning block 8 and the second positioning block 9 can be adjusted according to the size of a motor bearing.

Further, in this embodiment, first locating piece 8 and second locating piece 9 are fixed on locating plate 7, and its effect lies in, can form fixed locating component according to the locating plate 7, first locating piece 8 and the second locating piece 9 of the various different models of motor bearing preparation of different specifications to can dismantle fast and install required locating component.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A motor bearing pressing shaft device comprises a workbench, a portal frame and a driving unit arranged on the portal frame and used for pressing a motor shaft into a motor bearing, and is characterized by further comprising a motor supporting seat, wherein a shaft hole capable of accommodating the motor shaft is formed in the motor supporting seat; a stroke cylinder is arranged on the portal frame, and a stroke rod of the stroke cylinder is connected with the driving unit and moves synchronously; the stroke cylinder is used for recording the stroke of the driving unit and controlling the driving unit to act or stop acting.

2. The motor bearing shaft pressing device according to claim 1, wherein the motor support base rests on the worktable.

3. The motor bearing shaft pressing device according to claim 1, wherein a first positioning block is arranged on the workbench, a first concave part is arranged on the first positioning block, and the first concave part is matched with the surface shape of the motor support seat; when the motor supporting seat moves into the first concave part, the shaft hole is over against the power output end of the driving unit.

4. The motor shaft bearing assembly of claim 3, wherein said motor support base is cylindrical and said first recess is semi-circular.

5. The motor shaft bearing shaft device according to claim 3, further comprising a second positioning block fixed to a side of the workbench near an operator; and a second concave part is arranged on the second positioning block, and the radius of the second concave part is larger than that of the motor supporting seat.

6. The motor shaft bearing device according to claim 5, wherein the worktable is provided with a pair of strip grooves; the first positioning block and the second positioning block are locked on the strip-shaped groove in a position-adjustable mode through bolts.

7. The motor bearing shaft pressing device according to claim 1, further comprising a guide column sliding sleeve and a guide column, wherein the guide column and the guide column sliding sleeve are slidably engaged, the guide column sliding sleeve is fixed on the portal frame, a connecting plate is connected to the power output end of the driving unit, and the lower end of the guide column is fixedly connected to the connecting plate.

8. The motor shaft bearing device according to claim 7, wherein a stop ring is provided on an upper portion of the guide post.