CN219561930U - Frock is used in motor casing welding - Google Patents

Abstract

The utility model provides a tool for welding a motor shell, which comprises a mounting base, wherein four corners above the mounting base are symmetrically provided with supporting mechanisms, positioning blocks are fixed above the 4 supporting mechanisms, positioning columns are arranged on the inner sides of the 4 positioning blocks, an expansion sleeve is arranged at the middle position of the mounting base through an expansion seat, a telescopic column is movably arranged in the expansion sleeve, 4 supporting ring blocks are uniformly arranged on the outer side above the expansion sleeve, the 4 supporting ring blocks are spliced into a supporting ring, the motor shell is positioned outside the supporting ring through the 4 positioning columns, and the expansion sleeve extends upwards through the telescopic column to drive the supporting ring blocks to expand; according to the utility model, the support ring blocks are expanded through the expansion sleeve, the outer side wall of the motor casing is positioned through the positioning column, so that the vertical clamping and fixing during motor casing welding are realized, the inner clamping is positioned outside, the accuracy during welding is ensured, the inner and outer distance of the support mechanism can be adjusted through the fixing position of the waist slot, and the motor casing welding device is suitable for motor casings with various diameters.

Description

Frock is used in motor casing welding

Technical Field

The utility model belongs to the technical field of equipment for motor production, and particularly relates to a tool for welding a motor shell, which is used for machining the motor shell.

Background

Among electric automobile technologies, a battery assembly and a motor assembly of a vehicle are the most important core technologies, which directly determine the endurance mileage and power parameters of the vehicle, wherein the battery technology of new energy is the main attack direction of most research and development teams in the current industry, and the battery is lighter and smaller, so that the battery capacity is larger, and the endurance process is longer. However, in the current new energy automobile technology, development of new energy motors is less, the new energy automobile motors are required to have enough strength performance and strong stability, and the requirements of continuous operation for a long time, service life for years, hundreds of years and even decades and continuous running of hundreds of thousands of kilometers of vehicles can be met.

In order to meet the power demand, the electric motor of the new energy electric automobile commonly used in the market is generally provided with motors with different types and specifications, particularly motors with diameters exceeding 400mm, the motor shell of the electric motor is a technical difficulty in processing and production, and conventional casting integrated molding is generally used.

However, in the prior art, the motor shell can be welded only by holding a plurality of motor shell bodies by workers, so that the processing efficiency is low, the labor cost is high, and the welding precision can not be guaranteed.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and provides a tool for welding a motor casing.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a frock is used in motor casing welding, includes the installation base, the equal symmetry in installation base top four corners position installs supporting mechanism, 4 the supporting mechanism top all is fixed with the locating piece, 4 the locating piece inboard all installs the reference column, the installation base intermediate position is installed the tight cover that expands through expanding the tight seat, movable mounting has flexible post in the tight cover that expands, the outside power supply is connected to flexible post lower extreme, 4 backup ring pieces are evenly installed in the tight cover top outside that expands, 4 the backup ring piece spells into the backup ring, and the motor shell is fixed a position through 4 reference columns in the backup ring outside, the tight cover that expands stretches out upwards through the flexible post and drives the backup ring piece and expand.

Preferably, the 4 supporting mechanisms comprise supporting seats, two supporting ribs and a supporting top plate, wherein the supporting seats are arranged on the mounting base in a threaded mode, the two supporting ribs are vertically arranged above the supporting seats, and the supporting top plate is fixed at the upper ends of the two supporting ribs.

Preferably, the two sides above the 4 supporting seats are provided with waist grooves, and the 4 supporting seats are fixed on the mounting base through the two waist grooves.

Preferably, the inner end surfaces of the 4 positioning columns are matched with the motor casing to be arranged into arc-shaped surfaces.

Preferably, the axial lead of the expansion sleeve and the axial lead of the supporting ring are collinear.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the support ring blocks are expanded through the expansion sleeve, the outer side wall of the motor casing is positioned through the positioning column, so that the vertical clamping and fixing during motor casing welding are realized, the inner clamping is positioned outside, the accuracy during welding is ensured, the inner and outer distance of the support mechanism can be adjusted through the fixing position of the waist slot, and the motor casing welding device is suitable for motor casings with various diameters.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a top view of an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an embodiment of the present utility model;

the embodiment of the utility model mainly comprises the following element symbols:

the support comprises a mounting base-1, a supporting mechanism-2, a supporting seat-21, a waist groove-22, a supporting rib-23, a supporting top plate-24, a positioning block-25, a positioning column-26, an expanding seat-3, an expanding sleeve-4, a supporting ring-5, a supporting ring block-51 and a telescopic column-6.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, a tool for welding a motor casing comprises a mounting base 1, supporting mechanisms 2 and 4 are symmetrically arranged at four corners above the mounting base 1, positioning blocks 25,4 are fixed above the supporting mechanisms 2, positioning columns 26 are arranged on the inner sides of the positioning blocks 25, a telescopic sleeve 4 is arranged at the middle position of the mounting base 1 through a telescopic seat 3, a telescopic column 6 is movably arranged in the telescopic sleeve 4, the lower end of the telescopic column 6 is connected with an external power source, 4 supporting ring blocks 51 are uniformly arranged on the outer side of the telescopic sleeve 4, 4 supporting ring blocks 51 are spliced into a supporting ring 5, a motor casing is positioned outside the supporting ring 5 through the 4 positioning columns 26, and the telescopic sleeve 4 stretches upwards through the telescopic column 6 to drive the supporting ring blocks 51 to expand.

According to the utility model, the supporting ring blocks 51 are expanded through the expansion sleeve 4, the outer side wall of the motor casing is positioned through the positioning column 26, so that the vertical clamping and fixing during the welding of the motor casing are realized, the internal clamping is positioned outside, the accuracy during the welding is ensured, the distance between the inside and the outside of the supporting mechanism 2 can be adjusted through the fixing position of the waist groove 22, the motor casing is suitable for motor casings with various diameters, and the power source can be set to pneumatic pressure or hydraulic oil pressure according to the actual pressure requirement.

The 4 supporting mechanisms 2 comprise supporting seats 21, two supporting ribs 23 and a supporting top plate 24, the supporting seats 21 are arranged on the mounting base 1 in a threaded mode, the two supporting ribs 23 are vertically arranged above the supporting seats 21, and the supporting top plate 24 is fixed at the upper ends of the two supporting ribs 23.

4 the support seat 21 top both sides all open has the waist groove 22,4 the support seat 21 is all fixed on the installation base 1 through two waist grooves 22, and waist groove 22 is all parallel with the orientation of supporting mechanism 2, conveniently adjusts the radial of supporting seat 21 along expanding sleeve 4 to the realization can not equidimension diameter's motor casing of clamping.

The inner end surfaces of the 4 positioning columns 26 are matched with the motor shell to be set into arc surfaces, so that the positioning columns 26 are ensured to be in surface contact with the motor shell, the positioning precision of the motor shell is improved, and the welding precision is improved; the axial lead of the expansion sleeve 4 and the axial lead of the supporting ring 5 are collinear.

When the device is used, after the position of the supporting mechanism 2 along the waist groove 22 is regulated according to the inner and outer diameter requirements of the motor casing, the corresponding motor casing division plate is installed, the opening cylinder or the hydraulic cylinder drives the telescopic column 6 to extend upwards, the expansion sleeve 4 is made to prop up the supporting ring block 51, the supporting ring block 51 is propped against the inner wall of the motor casing division plate, the motor casing division plate is made to be in contact with the positioning column 26 for positioning, and the two sides of the motor casing division plate are in contact with each other in pairs, and edge welding is carried out.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (5)

1. The utility model provides a frock is used in motor casing welding, includes the installation base, its characterized in that: supporting mechanism is all symmetrically installed to installation base top four corners position, 4 supporting mechanism top all is fixed with the locating piece, 4 the locating piece inboard all installs the reference column, the installation base intermediate position is installed the tight cover that expands through expanding the tight seat, movable mounting has the telescopic column in the tight cover that expands, the outside power supply is connected to the telescopic column lower extreme, 4 evenly install 4 holding ring pieces in the tight cover top outside that expands, 4 the holding ring piece spells into the holding ring, and the motor shell is fixed a position through 4 reference columns in the holding ring outside, the tight cover that expands stretches out upwards through the telescopic column and drives the holding ring piece and expand.

2. The motor casing welding tool according to claim 1, wherein: the 4 supporting mechanisms comprise supporting seats, two supporting ribs and a supporting top plate, wherein the supporting seats are arranged on the mounting base through threads, the two supporting ribs are vertically arranged above the supporting seats, and the supporting top plate is fixed at the upper ends of the two supporting ribs.

3. The motor casing welding tool according to claim 2, wherein: the two sides above the 4 supporting seats are provided with waist grooves, and the 4 supporting seats are fixed on the mounting base through the two waist grooves.

4. A motor casing welding tooling as set forth in claim 3, wherein: the inner end surfaces of the 4 positioning columns are matched with the motor shell to be arranged into arc-shaped surfaces.

5. The motor casing welding tool according to claim 4, wherein: the axial lead of the expansion sleeve and the axial lead of the supporting ring are collinear.