CN219684458U

CN219684458U - Welding device and motor processing equipment

Info

Publication number: CN219684458U
Application number: CN202320282383.0U
Authority: CN
Inventors: 吴超
Original assignee: Shenzhen Gimech Technology Corp
Current assignee: Shenzhen Gimech Technology Corp
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-09-15
Anticipated expiration: 2033-02-06

Abstract

The utility model belongs to the technical field of motor processing, and particularly relates to a welding device and motor processing equipment. The welding set for welding rotor shaft and bearing, the inner circle of bearing is worn to locate to the one end of rotor shaft, and welding set includes: the support structure comprises a support plate arranged along the vertical direction and a rotary head arranged on the support plate; the bottom support structure comprises a base, a rotary table rotatably arranged on the base and a rotary driving assembly used for driving the rotary table to rotate; and a welding structure including a welding head; one end of the rotor shaft is rotationally connected with the rotary head, the other end of the rotor shaft is connected with the rotary table, the welding end of the welding head is adjacent to the inner ring of the bearing and the side surface of the rotor shaft, the rotary driving assembly drives the rotary table to rotate, and the welding head is used for welding the rotor shaft and the inner ring of the bearing. The utility model can weld the joint of the rotor shaft and the bearing for 360 degrees, and improves the welding reliability.

Description

Welding device and motor processing equipment

Technical Field

The utility model belongs to the technical field of motor processing, and particularly relates to a welding device and motor processing equipment.

Background

At present, with the wide application of engines and motors, the demand of rotors is also increasing, and the rotors are assembled by various parts, so that the rotors are all used in assembly machines. Most of the existing rotors comprise a rotor shell, a rotor shaft, bearings at two ends of the rotor shaft and a code disc tray. Most of the existing processing is performed step by step, a plurality of processing devices are adopted, a bearing is required to be sleeved on a rotor shaft, then the rotor shaft is inserted into a rotor shell, and then the rotor shaft is sleeved with another bearing and Ma Tuopan after the whole rotor shaft is turned over.

After the bearing is sleeved on the rotor shaft, the connecting position of the bearing and the rotor shaft needs to be fixed, so that the bearing is prevented from moving along the axial direction of the rotor shaft. The fixing of the bearing and the rotor shaft is performed at present by operating a welding machine by a worker, welding the bearing and the rotor shaft, and welding one turn along the circumferential direction of the rotor shaft.

However, the labor intensity of manual welding is high, the labor cost is high, and the manual welding is not in place, so that the problems of cold joint and low welding quality reliability are solved.

Disclosure of Invention

An object of an embodiment of the present utility model is to provide a welding device, which aims to solve the problem of how to fix a rotor shaft and a bearing and to improve the reliability of the fixation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, a welding device is provided for welding a rotor shaft and a bearing, one end of the rotor shaft is inserted into an inner ring of the bearing, and the welding device includes:

the support structure comprises a support plate arranged along the vertical direction and a rotary head arranged on the support plate;

the bottom support structure comprises a base, a rotary table rotatably arranged on the base and a rotary driving assembly used for driving the rotary table to rotate; and

a welding structure including a welding head;

one end of the rotor shaft is rotationally connected with the rotary head, the other end of the rotor shaft is connected with the rotary table, the welding end of the welding head is adjacent to the inner ring of the bearing and the side surface of the rotor shaft, the rotary driving assembly drives the rotary table to rotate, and the welding head is used for welding the rotor shaft and the inner ring of the bearing.

In some embodiments, the welding head is a laser welding head.

In some embodiments, the shoe structure further comprises a swivel bearing, an outer ring of the swivel bearing is fixed to the base, and the rotary table is connected with an inner ring of the swivel bearing.

In some embodiments, the rotary driving assembly includes a rotary shaft, a rotary driver, and a transmission assembly, wherein one end of the rotary shaft is inserted into the inner ring of the slewing bearing and connected with the rotary table, and the transmission assembly is used for transmitting the rotary power of the rotary driver to the other end of the rotary shaft.

In some embodiments, the transmission assembly includes a driving wheel, a driven wheel, and a synchronous belt, the driving wheel is disposed on an output shaft of the rotary driver, the driven wheel is connected to the rotary shaft, and two ends of the synchronous belt respectively engage the driving wheel and the driven wheel.

In some embodiments, the welding device further comprises a dust cover having a holding cavity and connected to the supporting plate, the rotary head and the bearing are both located in the holding cavity, the holding cavity has an opening arranged downward, the rotor shaft is partially held in the holding cavity through the opening, and a welding opening which is communicated with the holding cavity and is used for the welding head to be inserted into the holding cavity is further formed in the surface of the dust cover.

In some embodiments, the dust cover is further provided with an air extraction hole communicated with the accommodating cavity, and an air extraction pipe is arranged at the air extraction hole.

In some embodiments, the support structure further comprises a sliding rail arranged on the supporting plate, a sliding plate slidingly connected with the sliding rail, and a lifting driver connected with the supporting plate and used for driving the sliding plate to move up and down, and the rotary head and the dust cover are both connected with the sliding plate.

In some embodiments, the welding structure further comprises a robot for driving the welding head to move.

In a second aspect, a motor processing apparatus is provided that includes the welding device.

The utility model has the beneficial effects that: the welding device comprises a supporting structure, a welding structure and a collet structure, wherein the supporting structure comprises a supporting plate and a rotary head, the collet structure comprises a rotary table and a rotary driving assembly, a rotor shaft is fixed between the rotary table and the rotary head, so that the welding head can weld the joint of the rotor shaft and a bearing by 360 degrees, the reliability of welding is improved, the occurrence of cold joint and the insufficient welding can be avoided through the welding head, meanwhile, the labor cost is saved, and the efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or exemplary technical descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic perspective view of a motor processing apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of the motor processing apparatus of FIG. 1;

FIG. 3 is a schematic perspective view of the shoe structure of FIG. 1;

fig. 4 is a schematic perspective view of the support structure of fig. 1.

Wherein, each reference sign in the figure:

100. a motor processing device; 101. a rotor shaft; 102. a bearing; 200. a support structure; 201. a rotary head; 202. a support plate; 2031. a lifting driver; 2032. a slide rail; 2033. a slide plate; 300. welding a structure; 301. a welding head; 302. a manipulator; 500. a bottom support structure; 501. a rotary table; 502. a rotary drive assembly; 401. a dust cover; 402. an exhaust pipe; 4011. a welding port; 4012. a receiving chamber; 4013. an air suction hole; 507. a base; 506. a slewing bearing; 2011. a swivel hole; 504. a transmission assembly; 5041. a driving wheel; 5042. driven wheel; 503. a rotation shaft; 5043. a rotary driver; 5071. a first base plate; 5072. a second base plate; 5073. a connecting column;

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, are for convenience of description only, and are not intended to indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art as appropriate. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a welding device for welding a rotor shaft 101 and a bearing 102, wherein one end of the rotor shaft 101 is inserted into an inner ring of the bearing 102. In other embodiments, the rotor shaft 101 may be another first structural member, and the bearing 102 may be a second structural member having a through hole, where one end of the second structural member is perforated with a through hole, which is not limited herein, and may be selected according to practical situations.

The welding apparatus includes a support structure 200, a collet structure 500, and a welding structure 300. The support structure 200 includes a support plate 202 arranged in a vertical direction and a turret 201 provided on the support plate 202; the rotary head 201 is disposed on a side surface of the support plate 202, and a rotary hole 2011 is formed in the rotary head 201, and the rotary hole 2011 is used for positioning the rotor shaft 101.

Referring to fig. 1 to 3, the base structure 500 includes a base 507, a rotary table 501 rotatably disposed on the base 507, and a rotation driving assembly 502 for driving the rotary table 501 to rotate; it will be appreciated that the rotation driving assembly 502 can drive the rotary table 501 to rotate 360 degrees on the base 507, and the plane defined by the rotation track of any point on the rotary table 501 is horizontally disposed.

The welding structure 300 includes a welding head 301; the welding head 301 can weld the two metal structural members, thereby realizing the fixation of the two metal structural members.

Referring to fig. 1 to 3, one end of the rotor shaft 101 is rotatably connected to the rotary head 201, i.e. the upper end of the rotor shaft 101 is inserted into the rotary hole 2011 and is rotatably connected to the rotary head 201, and the other end of the rotor shaft 101 is connected to the rotary table 501, i.e. the lower end of the rotor shaft 101 is connected to the rotary table 501. The welding end of the welding head 301 abuts against the inner ring of the bearing 102 and the side surface of the rotor shaft 101, the rotation driving assembly 502 drives the rotation table 501 to rotate, and the welding head 301 welds the rotor shaft 101 and the inner ring of the bearing 102.

It can be appreciated that the rotation driving component 502 drives the rotary table 501 to rotate for one circle, meanwhile, the rotor shaft 101 also rotates for one circle, the welding head 301 performs 360-degree welding on the joint of the bearing 102 and the rotor shaft 101, so that the reliability of welding is improved, and the occurrence of cold welding and insufficient welding can be avoided through the welding head 301, meanwhile, the labor cost is saved, and the efficiency is high.

The welding device provided by the embodiment of the utility model comprises the supporting structure 200, the welding structure 300 and the collet structure 500, wherein the supporting structure 200 comprises the supporting plate 202 and the rotary head 201, the collet structure 500 comprises the rotary table 501 and the rotary driving assembly 502, the rotor shaft 101 is fixed between the rotary table 501 and the rotary head 201, so that the welding head 301 can weld the joint of the rotor shaft 101 and the bearing 102 by 360 degrees, the welding reliability is improved, the occurrence of cold welding and the welding failure can be avoided through the welding head 301, meanwhile, the labor cost is saved, and the efficiency is high.

Referring to fig. 1-3, in some embodiments, the welding head 301 is a laser welding head 301, and the laser welding head 301 is capable of laser welding the rotor shaft 101 and the bearing 102. Laser welding is a highly efficient and precise welding method that uses a laser beam of high energy density as a heat source. The method is mainly used for welding thin-wall materials and low-speed welding, the welding process belongs to heat conduction, namely laser radiation is used for heating the surface of a workpiece, surface heat is diffused to the inside through heat conduction, and the workpiece is melted by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulse, so that a specific molten pool is formed. The laser welding can achieve a sufficiently large connection strength, and in the welding process, the main body structures of the rotor shaft 101 and the bearing 102 are not deformed, and the welding quality is high.

Referring to fig. 1 to 3, in some embodiments, the base structure 500 further includes a revolving bearing 506, an outer ring of the revolving bearing 506 is fixed on the base 507, the rotating table 501 is connected to an inner ring of the revolving bearing 506, the rotating table 501 can be rotatably connected to the base 507 through the revolving bearing 506, the revolving bearing 506 is a bearing 102 with a special structure that can simultaneously bear a large comprehensive load such as an axial load, a radial load, a overturning moment, and the like, and integrates multiple functions such as supporting, rotating, transmitting, fixing, and the like, and has the characteristics of stable transmission and high rotation precision.

In some embodiments, the rotation driving assembly 502 includes a rotation shaft 503, a rotation driver 5043, and a transmission assembly 504, one end of the rotation shaft 503 is disposed through an inner ring of the slew bearing 506 and connected to the rotation table 501, and the transmission assembly 504 is used for transmitting rotation power of the rotation driver 5043 to the other end of the rotation shaft 503.

Referring to fig. 1 to 3, optionally, the base 507 includes a first bottom plate 5071, a second bottom plate 5072 located below the first bottom plate 5071, and a connecting post 5073 with two ends connected to the first bottom plate 5071 and the second bottom plate 5072 respectively, wherein a first via hole and a second via hole are formed on the first bottom plate 5071 and the second bottom plate 5072 respectively, the slewing bearing 506 is disposed on the first bottom plate 5071 and covers the first via hole, and the lower end of the rotating shaft 503 extends to the second via hole. The rotation shaft 503 can transmit the power of the rotation driver 5043 to the rotary table 501, thereby realizing the rotation of the rotor shaft 101.

Alternatively, the rotary drive 5043 may be a servo motor, which is an engine that controls the operation of mechanical elements in a servo system, and is an indirect speed change device that supplements the motor. The servo motor can control the speed, the position accuracy is very accurate, and the voltage signal can be converted into the torque and the rotating speed to drive the control object. The rotation speed of the rotor of the servo motor is controlled by an input signal, can react quickly, is used as an executive component in an automatic control system, has the characteristics of small electromechanical time constant, high linearity and the like, and can convert the received electric signal into angular displacement or angular speed output on the motor shaft. The motor is divided into two major types of direct current and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, no autorotation phenomenon exists, and the rotating speed is reduced at a constant speed along with the increase of the torque.

Referring to fig. 1-3, optionally, a rotary drive 5043 is coupled to a second base 5072,

referring to fig. 1 to 3, in some embodiments, the transmission assembly 504 includes a driving wheel 5041, a driven wheel 5042, and a synchronous belt, the driving wheel 5041 is disposed on an output shaft of the rotary driver 5043, the driven wheel 5042 is connected to the rotary shaft 503, and two ends of the synchronous belt respectively engage with the driving wheel 5041 and the driven wheel 5042.

It is understood that the driving wheel 5041 is disposed on the output shaft of the rotary driver 5043, and the driving wheel 5041 and the driven wheel 5042 can be synchronously rotated by the timing belt, and the power transmission efficiency is high.

In some embodiments, the welding device further includes a dust cover 401 having a receiving cavity 4012 and connected to the support plate 202, the rotary head 201 and the bearing 102 are both located in the receiving cavity 4012, the receiving cavity 4012 has an opening disposed downward, the rotor shaft 101 is partially received in the receiving cavity 4012 through the opening, and a welding opening 4011 communicating with the receiving cavity 4012 and allowing the welding head 301 to be inserted into the receiving cavity 4012 is further formed on a surface of the dust cover 401.

Alternatively, the shape of the welding hole 4011 may be a circle, an ellipse, or a polygon, in this embodiment, the shape of the welding hole 4011 is a polygon, and in other embodiments, the shape may be selected according to the actual situation, which is not limited herein. The welding process may be shielded by a dust cap 401.

Referring to fig. 1 to 3, in some embodiments, the dust cover 401 is further provided with an air exhaust hole 4013 communicating with the accommodating cavity 4012, and an air exhaust pipe 402 is disposed at the air exhaust hole 4013. Exhaust fan is connected to exhaust tube 402 to can take out welding waste gas and welding smog in the holding chamber 4012, improve welding quality and avoid polluting the environment.

Referring to fig. 4, in some embodiments, the support structure 200 further includes a sliding rail 2032 disposed on the support plate 202, a sliding plate 2033 slidably connected to the sliding rail 2032, and a lifting driver 2031 connected to the support plate 202 and used for driving the sliding plate 2033 to move up and down, and the turret 201 and the dust cover 401 are both connected to the sliding plate 2033.

Referring to fig. 1 to 3, alternatively, the lifting driver 2031 is a cylinder, and the sliding plate 2033 may be driven to slide reciprocally in a vertical direction by the cylinder, so as to facilitate detachment of the rotary head 201 from the rotor shaft 101 or rotation of the rotary head 201 to the rotor shaft 101.

Referring to fig. 1-3, in some embodiments, the welding structure 300 further includes a robot 302 for driving the welding head 301 to move. The manipulator 302 may drive the welding head 301 of the welding head 301 to extend from the welding port 4011 into the accommodation chamber 4012, or drive the welding end of the welding head 301 to disengage from the accommodation chamber 4012 from the welding port 4011.

The utility model also provides a motor processing device 100, and the motor processing device 100 comprises a welding device, and the specific structure of the welding device refers to the above embodiment, and because the motor processing device 100 adopts all the technical schemes of all the embodiments, the motor processing device also has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.

In some embodiments, two welding devices are provided, each of which is spaced apart and arranged in a linear fashion.

The foregoing is merely an alternative embodiment of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. Welding set for welding rotor shaft and bearing, the one end of rotor shaft wears to locate the inner circle of bearing, its characterized in that, welding set includes:

a welding structure including a welding head;

2. The welding apparatus of claim 1, wherein: the welding head is a laser welding head.

3. The welding apparatus of claim 1, wherein: the collet structure further comprises a slewing bearing, an outer ring of the slewing bearing is fixed on the base, and the rotating table is connected with an inner ring of the slewing bearing.

4. A welding apparatus as defined in claim 3, wherein: the rotary driving assembly comprises a rotary shaft, a rotary driver and a transmission assembly, one end of the rotary shaft penetrates through the inner ring of the rotary bearing and is connected with the rotary table, and the transmission assembly is used for transmitting rotary power of the rotary driver to the other end of the rotary shaft.

5. The welding apparatus of claim 4, wherein: the transmission assembly comprises a driving wheel, a driven wheel and a synchronous belt, wherein the driving wheel is arranged on an output shaft of the rotary driver, the driven wheel is connected with the rotary shaft, and two ends of the synchronous belt are respectively meshed with the driving wheel and the driven wheel.

6. The welding apparatus of any one of claims 1-5, wherein: the welding device further comprises a dust cover which is provided with a containing cavity and is connected with the supporting plate, the rotary head and the bearing are both positioned in the containing cavity, the containing cavity is provided with an opening which is arranged downwards, the rotor shaft is partially contained in the containing cavity through the opening, and the surface of the dust cover is also provided with a welding opening which is communicated with the containing cavity and is used for the welding head to be inserted into the containing cavity.

7. The welding apparatus of claim 6, wherein: the dust cover is also provided with an air exhaust hole communicated with the accommodating cavity, and an air exhaust pipe is arranged at the air exhaust hole.

8. The welding apparatus of any one of claims 1-5, wherein: the supporting structure further comprises a sliding rail arranged on the supporting plate, a sliding plate slidingly connected with the sliding rail, and a lifting driver connected with the supporting plate and used for driving the sliding plate to move up and down, and the rotary head and the dust cover are both connected with the sliding plate.

9. The welding apparatus of any one of claims 1-5, wherein: the welding structure further comprises a manipulator for driving the welding head to move.

10. Motor processing apparatus, characterized by comprising a welding device according to any of claims 1-9.