阅读说明：本技术 一种牵引电机铜条自动涨紧设备 (Automatic tensioning equipment for copper bars of traction motors ) 是由 王雪岭 唐福旭 张志佳 杨国军 王艳敏 商宁 吴红星 姚明刚 高云鹏 于 2021-07-20 设计创作，主要内容包括：本发明提供了一种牵引电机铜条自动涨紧设备,属于电机制造及检修技术领域,包括输送装置、支撑装置、接收装置以及涨紧装置,支撑装置包括支撑架、驱动辊、顶升机构以及支撑辊,驱动辊和支撑辊分别靠近输送装置和接收装置设置,顶升机构用于支撑电机转子落于驱动辊和支撑辊上以及用于顶起电机转子至支撑辊上并落于接收装置上,涨紧装置包括立柱、横梁、竖向移动机构、水平移动机构以及涨紧头。本发明提供的牵引电机铜条自动涨紧设备,借助驱动辊、支撑辊以及顶升机构对电机转子进行定位和支撑,由竖向移动机构、水平移动机构驱动涨紧头沿电机转子长度方向移动并快速、可靠地完成对铜条的挤压,完成对电机转子进行运输操作,提高了工作效率。(The invention provides automatic tension equipment for a copper strip of a traction motor, which belongs to the technical field of motor manufacturing and maintenance and comprises a conveying device, a supporting device, a receiving device and a tension device, wherein the supporting device comprises a supporting frame, a driving roller, a jacking mechanism and a supporting roller, the driving roller and the supporting roller are respectively arranged close to the conveying device and the receiving device, the jacking mechanism is used for supporting a motor rotor to fall on the driving roller and the supporting roller and jacking the motor rotor to the supporting roller and fall on the receiving device, and the tension device comprises an upright post, a cross beam, a vertical moving mechanism, a horizontal moving mechanism and a tension head. According to the automatic tensioning equipment for the copper bars of the traction motor, the motor rotor is positioned and supported by the driving roller, the supporting roller and the jacking mechanism, the tensioning head is driven by the vertical moving mechanism and the horizontal moving mechanism to move along the length direction of the motor rotor and quickly and reliably extrude the copper bars, the motor rotor is transported, and the working efficiency is improved.)

1. The automatic tension equipment for the copper bar of the traction motor is characterized by comprising a conveying device, a supporting device, a receiving device and a tension device, wherein the conveying device, the supporting device and the receiving device are sequentially and horizontally placed, and the tension device is positioned above the supporting device;

the conveying device and the receiving device are respectively provided with a first conveying surface and a second conveying surface for conveying a motor rotor;

the supporting device comprises a supporting frame, a driving roller, a jacking mechanism and a supporting roller; the supporting frame is positioned between the conveying device and the receiving device, the driving roller and the supporting roller are respectively arranged close to the conveying device and the receiving device, and the jacking mechanism is positioned between the driving roller and the supporting roller; the upper end of the driving roller is flush with the first conveying surface, and the upper end of the supporting roller is flush with the second conveying surface; the jacking mechanism is used for supporting the motor rotor to fall on the driving roller and the supporting roller and jacking the motor rotor to the supporting roller and fall on the receiving device;

the tensioning device comprises an upright post, a cross beam, a vertical moving mechanism, a horizontal moving mechanism and a tensioning head; the vertical moving mechanism is arranged on the upright post, the cross beam is arranged on the vertical moving mechanism, the horizontal moving mechanism is arranged on the cross beam, and the tensioning head is arranged on the horizontal moving mechanism and is positioned above the supporting device.

2. The automatic tension equipment for the copper strip of the traction motor as claimed in claim 1, wherein the number of the upright columns is two, and the two upright columns are respectively arranged on two sides of the supporting device; the vertical column is provided with two vertical slideways, the two vertical moving mechanisms are respectively arranged in the two vertical slideways, each vertical moving mechanism comprises a lifting screw rod and a first sliding block connected in the vertical slideway in a sliding manner, and the first sliding block is spirally connected to the lifting screw rod; and two ends of the cross beam are fixedly arranged on the two first sliding blocks respectively.

3. The automatic tension device for the copper bar of the traction motor as claimed in claim 2, wherein a horizontal slideway is provided on the cross beam, the horizontal moving mechanism comprises a horizontal lead screw and a second slide block slidably connected in the horizontal slideway, and the second slide block is spirally connected to the horizontal lead screw; the tensioning head is arranged on the second sliding block.

4. The automatic tension device for the copper bar of the traction motor as claimed in claim 1, wherein the tension head comprises a tension cylinder disposed on the horizontal moving mechanism and a first tension wheel disposed at a free end of the tension cylinder, a mounting plate is disposed at an end of the tension cylinder close to the first tension wheel, and a distance measuring sensor for measuring a distance between the first tension wheel and a motor rotor and a camera for distinguishing a position of a rotor core and a position of the copper bar are disposed on the mounting plate.

5. The automatic tension device for the copper strip of the traction motor as claimed in claim 4, wherein the automatic tension device for the copper strip of the traction motor further comprises:

the control system, vertical moving mechanism horizontal moving mechanism the tight hydro-cylinder that rises, the drive roller the distance measuring sensor and the camera all with control system connects.

6. The automatic tension device for the copper bar of the traction motor as claimed in claim 1, wherein the jacking mechanism comprises a linear driver and a motorized roller, and the motorized roller is arranged at the free end of the linear driver.

7. The automatic tension device for the copper strip by the traction motor as claimed in claim 1, wherein the conveying device comprises a plurality of driving rollers, a conveyor belt wound on the plurality of driving rollers, a driving chain connected with each driving roller, and a driving motor for driving the driving chain to move, and a second tension wheel for controlling the tension force of the driving chain is further arranged on the conveying device.

8. The automatic tension device for the copper bar of the traction motor as claimed in claim 7, wherein the conveyor is provided with a shield for shielding the driving roller, the driving chain and the driving motor.

9. The automatic tension device of the copper bar of the traction motor as claimed in claim 1, wherein the distance between the jacking mechanism and the driving roller is smaller than the distance between the jacking mechanism and the supporting roller.

Technical Field

The invention belongs to the technical field of motor manufacturing and maintenance, and particularly relates to automatic tensioning equipment for a copper strip of a traction motor.

Background

The general process method is that the rotor is hoisted on a roller machine, a special tensioning air hammer is used for tensioning the copper strip of the traction motor rotor from two ends of the rotor to the middle along a rotor notch, the depth of a tensioning indentation is 4.6-5.2 mm, the air pressure of the air hammer is 6-8 bar, the air hammer cannot stop in the moving process, the roller machine is rotated to tension the next copper strip after the tensioning of one notch copper strip is completed, after all the copper strips are tensioned, the motor rotor is hoisted to the next procedure, then the next rotor is hoisted to repeatedly tension the copper strip, the operation is semi-mechanical and semi-manual operation, the automation degree is low, the noise of the air hammer is high, the labor intensity is high, and the working efficiency is low.

Disclosure of Invention

The invention aims to provide automatic tension equipment for a copper strip of a traction motor, and aims to solve the technical problems that the labor intensity of copper strip tension operation of a motor rotor is high and the working efficiency is low in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the automatic tensioning equipment for the copper bars of the traction motor comprises a conveying device, a supporting device, a receiving device and a tensioning device, wherein the conveying device, the supporting device and the receiving device are sequentially and horizontally placed, and the tensioning device is positioned above the supporting device;

the conveying device and the receiving device are respectively provided with a first conveying surface and a second conveying surface for conveying a motor rotor;

the supporting device comprises a supporting frame, a driving roller, a jacking mechanism and a supporting roller; the supporting frame is positioned between the conveying device and the receiving device, the driving roller and the supporting roller are respectively arranged close to the conveying device and the receiving device, and the jacking mechanism is positioned between the driving roller and the supporting roller; the upper end of the driving roller is flush with the first conveying surface, and the upper end of the supporting roller is flush with the second conveying surface; the jacking mechanism is used for supporting the motor rotor to fall on the driving roller and the supporting roller and jacking the motor rotor to the supporting roller and fall on the receiving device;

the tensioning device comprises an upright post, a cross beam, a vertical moving mechanism, a horizontal moving mechanism and a tensioning head; the vertical moving mechanism is arranged on the upright post, the cross beam is arranged on the vertical moving mechanism, the horizontal moving mechanism is arranged on the cross beam, and the tensioning head is arranged on the horizontal moving mechanism and is positioned above the supporting device.

In a possible implementation manner, two upright posts are provided, and are respectively arranged on two sides of the supporting device; the vertical column is provided with two vertical slideways, the two vertical moving mechanisms are respectively arranged in the two vertical slideways, each vertical moving mechanism comprises a lifting screw rod and a first sliding block connected in the vertical slideway in a sliding manner, and the first sliding block is spirally connected to the lifting screw rod; and two ends of the cross beam are fixedly arranged on the two first sliding blocks respectively.

In a possible implementation manner, a horizontal slideway is arranged on the beam, the horizontal moving mechanism comprises a horizontal lead screw and a second sliding block connected in the horizontal slideway in a sliding manner, and the second sliding block is connected to the horizontal lead screw in a threaded manner; the tensioning head is arranged on the second sliding block.

In a possible implementation mode, the tight head that rises is including locating tight hydro-cylinder that rises on the horizontal migration mechanism with locate the tight first tight pulley that rises on the tight hydro-cylinder free end that rises, tight hydro-cylinder that rises is close to the one end of first tight pulley that rises is equipped with the mounting panel, be equipped with on the mounting panel and be used for measuring the range sensor of first tight pulley and the electric motor rotor distance that rises and the camera that is used for distinguishing rotor core and copper bar position.

In a possible implementation manner, the automatic tensioning device for the copper strip of the traction motor further includes:

the control system, vertical moving mechanism horizontal moving mechanism the tight hydro-cylinder that rises, the drive roller the distance measuring sensor and the camera all with control system connects.

In one possible implementation, the jacking mechanism comprises a linear driver and a motorized roller, and the motorized roller is arranged on the free end of the linear driver.

In a possible implementation manner, the conveying device includes a plurality of driving rollers, a conveying belt wound around the plurality of driving rollers, a driving chain connected to each of the driving rollers, and a driving motor for driving the driving chain to move, and the conveying device is further provided with a second tension wheel for controlling a tension force of the driving chain.

In a possible implementation manner, a protective cover for shielding the transmission roller, the transmission chain and the driving motor is arranged on the conveying device.

In one possible implementation, the distance between the jacking mechanism and the driving roller is smaller than the distance between the jacking mechanism and the supporting roller.

The automatic tensioning equipment for the copper bars of the traction motor, provided by the invention, has the beneficial effects that: compared with the prior art, the automatic tensioning equipment for the copper strip of the traction motor is characterized in that a motor rotor is placed on the first conveying surface of the conveying device and moves towards the supporting device; the jacking mechanism on the supporting device moves upwards and is flush with the driving roller, the motor rotor falls on the driving roller, the jacking mechanism and the supporting roller through the rotation of the driving roller, the lifting mechanism is controlled to descend, the motor rotor moves downwards to be stably supported on the driving roller and the supporting roller, then the vertical moving mechanism on the tensioning device moves up and down along the upright column and drives the cross beam and the tensioning head to move downwards to the position above the motor electric roller, the tensioning head is enabled to extrude the copper bars on the motor rotor, and the horizontal moving mechanism is started to drive the tensioning head to move along the length direction of the motor rotor so as to realize the integral extrusion of one copper bar; starting the driving roller to enable the motor rotor to rotate, and enabling the tensioning device to extrude the next copper strip; after the copper bars of the whole motor rotor are extruded, the jacking mechanism is started again to jack the motor rotor, and the driving roller drives the motor rotor to penetrate through the supporting device and enter a second conveying surface of the receiving device; through this kind of mode, fix a position and support electric motor rotor with the help of drive roller, backing roll and climbing mechanism, by vertical moving mechanism, horizontal migration mechanism drive rise tight head along electric motor rotor length direction removal and accomplish the extrusion to the copper bar fast, reliably, drive electric motor rotor's removal by conveyor and receiving arrangement, accomplish the operation of transporting electric motor rotor, reduced intensity of labour, improved work efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a front view of an automatic tensioning device for a copper strip of a traction motor according to an embodiment of the present invention;

fig. 2 is a side view of the automatic tensioning device for the copper strip of the traction motor according to the embodiment of the invention;

FIG. 3 is a side view of a column provided by an embodiment of the present invention;

FIG. 4 is a schematic view of the connection between two columns and a beam according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a supporting device according to an embodiment of the present invention;

FIG. 6 is a side view of a support device provided in accordance with an embodiment of the present invention;

FIG. 7 is a schematic view of the connection between the beam and the tensioning head according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of the tensioning head according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a conveying device; 11. a first conveying surface; 12. a driving roller; 13. a drive chain; 14. a drive motor; 15. a second tension wheel; 2. a support device; 21. a support frame; 22. a drive roller; 23. a jacking mechanism; 231. a linear actuator; 232. an electric roller; 24. a support roller; 3. a receiving device; 31. a second conveying surface; 4. a tensioning device; 41. a column; 411. a vertical slideway; 42. a cross beam; 421. a horizontal slideway; 43. a vertical moving mechanism; 431. lifting a screw rod; 432. a first slider; 44. a horizontal movement mechanism; 441. a horizontal lead screw; 442. a second slider; 45. a tensioning head; 451. a tensioning oil cylinder; 452. a first tension wheel; 453. mounting a plate; 454. a ranging sensor; 455. a camera; 46. an electric motor; 5. a control system; 6. a rotor of an electric machine.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" 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 connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" 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 indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 8, the automatic tensioning device for a copper bar of a traction motor according to the present invention will now be described. A traction motor copper bar automatic tensioning device comprises a conveying device 1, a supporting device 2, a receiving device 3 and a tensioning device 4, wherein the conveying device 1, the supporting device 2 and the receiving device 3 are sequentially and horizontally placed, and the tensioning device 4 is positioned above the supporting device 2;

the conveying device 1 and the receiving device 3 each have a first conveying surface 11 and a second conveying surface 31 for transporting the motor rotor 6;

the supporting device 2 comprises a supporting frame 21, a driving roller 22, a jacking mechanism 23 and a supporting roller 24; the supporting frame 21 is positioned between the conveying device 1 and the receiving device 3, the driving roller 22 and the supporting roller 24 are respectively arranged close to the conveying device 1 and the receiving device 3, and the jacking mechanism 23 is positioned between the driving roller 22 and the supporting roller 24; the upper end of the driving roller 22 is flush with the first conveying surface 11, and the upper end of the supporting roller 24 is flush with the second conveying surface 31; the jacking mechanism 23 is used for supporting the motor rotor 6 to fall on the driving roller 22 and the supporting roller 24 and for jacking the motor rotor 6 to the supporting roller 24 and fall on the receiving device 3;

the tensioning device 4 comprises a vertical column 41, a cross beam 42, a vertical moving mechanism 43, a horizontal moving mechanism 44 and a tensioning head 45; the vertical moving mechanism 43 is arranged on the upright post 41, the cross beam 42 is arranged on the vertical moving mechanism 43, the horizontal moving mechanism 44 is arranged on the cross beam 42, and the tensioning head 45 is arranged on the horizontal moving mechanism 44 and is positioned above the supporting device 2.

Compared with the prior art, the automatic tensioning equipment for the copper bars of the traction motor is characterized in that a motor rotor 6 is placed on a first conveying surface 11 of a conveying device 1 and moves towards a supporting device 2; the jacking mechanism 23 on the supporting device 2 moves upwards and is flush with the driving roller 22, the motor rotor 6 falls on the driving roller 22, the jacking mechanism 23 and the supporting roller 24 through the rotation of the driving roller 22, the lifting mechanism is controlled to descend, the motor rotor 6 moves downwards to be stably supported on the driving roller 22 and the supporting roller 24, then the motor rotor 6 moves up and down along the upright post 41 through the vertical moving mechanism 43 on the tensioning device 4 and drives the cross beam 42 and the tensioning head 45 to move downwards to be above the motor roller 232 of the motor, so that the tensioning head 45 extrudes the copper bars on the motor rotor 6, and the horizontal moving mechanism 44 is started to drive the tensioning head 45 to move along the length direction of the motor rotor 6 so as to realize the integral extrusion of one copper bar; starting the driving roller 22 to enable the motor rotor 6 to rotate, and enabling the tensioning device 4 to extrude the next copper strip; after the copper bars of the whole motor rotor 6 are extruded, the jacking mechanism 23 is started again to jack the motor rotor 6, and the driving roller 22 drives the motor rotor 6 to penetrate through the supporting device 2 and enter the second conveying surface 31 of the receiving device 3; through this kind of mode, fix a position and support electric motor rotor 6 with the help of drive roller 22, backing roll 24 and climbing mechanism 23, by vertical moving mechanism 43, horizontal moving mechanism 44 drive rise tight head 45 along electric motor rotor 6 length direction removal and accomplish the extrusion to the copper bar fast, reliably, drive electric motor rotor 6's removal by conveyor 1 and receiving arrangement 3, accomplish and transport the operation to electric motor rotor 6, reduced intensity of labour, improved work efficiency.

The motor rotor 6 is transported to the conveyor 1 or away from the receiving device 3 by means of a hoist. When the conveying device 1 is started, the free end of the jacking mechanism 23 needs to be controlled to move upwards to be equal to the upper ends of the driving roller 22 and the supporting roller 24, and the free end waits for receiving the motor rotor 6. The motor rotor 6 rolls over the driving roller 22 to contact with the supporting roller 24, and then the free end of the jacking mechanism 23 retracts, so that the motor rotor 6 slowly falls on the driving roller 22 and the supporting roller 24. The supporting device 2 further comprises a supporting frame 21, and the driving roller 22, the jacking mechanism 23 and the supporting roller 24 are all mounted on the supporting frame 21. The jacking mechanism 23 and the tensioning head 45 are both driven by a hydraulic system, the hydraulic system comprises a hydraulic pump and a hydraulic motor, the jacking mechanism 23 is an oil cylinder, and the hydraulic pump is connected with the oil cylinder and provides driving and jacking power for the supporting device 2 and extrusion power for the tensioning device 4; the hydraulic motor rotates the drive roller 22. A servo motor may also be used to drive the drive roller 22.

Referring to fig. 1 to 4, as a specific embodiment of the automatic tensioning device for a copper bar of a traction motor provided by the present invention, two upright posts 41 are respectively disposed on two sides of the supporting device 2; the upright column 41 is provided with two vertical slideways 411, the two vertical moving mechanisms 43 are respectively arranged in the two vertical slideways 411, each vertical moving mechanism 43 comprises a lifting screw rod 431 and a first sliding block 432 connected in the vertical slideways 411 in a sliding manner, and the first sliding block 432 is spirally connected to the lifting screw rod 431; the two ends of the cross beam 42 are fixedly arranged on the two first sliding blocks 432 respectively, the two upright columns 41 and the cross beam 42 form a portal frame, the upright columns 41 are provided with vertical slideways 411, lifting screw rods 431 and the first sliding blocks 432 are arranged in the vertical slideways 411, the two ends of the cross beam 42 are arranged on the two first sliding blocks 432 respectively, and the first sliding blocks 432 are driven to move up and down in the vertical slideways 411 by starting the lifting screw rods 431, so that the cross beam 42 and the tensioning heads 45 are driven to move up and down. The column 41 is provided with a motor 46, and the motor 46 and the lift screw 431 rotate. The lower ends of the two upright columns 41 are respectively provided with a backing plate, so that the stability of the two upright columns 41 is improved. The two upright posts 41 are respectively arranged at two sides of the support frame 21, and the cross beam 42 is positioned above the support frame 21.

Referring to fig. 2 and 4, as a specific embodiment of the automatic tensioning device for a copper bar of a traction motor provided by the present invention, a horizontal slide 421 is disposed on the cross beam 42, the horizontal moving mechanism 44 includes a horizontal lead screw 441 and a second slide block 442 slidably connected in the horizontal slide 421, and the second slide block 442 is spirally connected to the horizontal lead screw 441; the tensioning head 45 is arranged on the second sliding block 442, the horizontal slide 421 is arranged along the length direction of the cross beam 42, a horizontal lead screw 441 and a second sliding block 442 are arranged in the horizontal slide 421, the tensioning head 45 is fixedly arranged on the second sliding block 442, and the second sliding block 442 and the tensioning head 45 are driven to move horizontally by starting the horizontal lead screw 441, so that each copper bar can be extruded along the length direction. A motor 46 is disposed at one end of the cross beam 42, and the motor 46 is connected to the horizontal lead screw 441 and drives the horizontal lead screw 441 to rotate. Bearings for supporting the elevation screw 431 and the horizontal screw 441 are provided in the column 41 and the cross member 42. Both the vertical slideway 411 and the horizontal slideway 421 can adopt a dovetail groove shape or a rectangular groove shape.

Referring to fig. 2, 7 and 8, as a specific embodiment of the automatic tensioning device for the copper bar of the traction motor provided by the present invention, the tensioning head 45 includes a tensioning cylinder 451 provided on the horizontal moving mechanism 44 and a first tensioning wheel 452 provided at a free end of the tensioning cylinder 451, a mounting plate 453 is provided at one end of the tensioning cylinder 451 close to the first tensioning wheel 452, a distance measuring sensor 454 for measuring a distance between the first tensioning wheel 452 and the motor rotor 6 and a camera 455 for distinguishing a position of the rotor core from the copper bar are provided on the mounting plate 453, the tensioning cylinder 451 drives the first tensioning wheel 452 to move downward, and the first tensioning wheel 452 directly contacts with the copper bar of the motor rotor 6 and extrudes the copper bar; under the driving of the horizontal screw 441, the first tension wheel 452 moves along the length direction of the copper bar, so as to extrude the whole copper bar. The tensioning cylinder 451 is provided with a supporting plate, a distance measuring sensor 454 and a camera 455 are mounted on the supporting plate, the distance from the first tensioning wheel 452 to the surface of the motor rotor 6 is measured by the distance measuring sensor 454, a signal is transmitted to the control system 5, and the control system 5 controls the lifting screw 431 and the first slider 432 to move up and down, so as to change the distance between the cross beam 42 and the first tensioning wheel 452 and the motor rotor 6. The camera 455 collects video signals on the surface of the motor rotor 6 and outputs the video signals in two paths, one path of signals is transmitted to a monitor for an operator to observe, the other path of signals is processed and separated to be transmitted to the control system 5, field synchronizing signals are transmitted to the driving roller 22 after threshold value comparison and calculation, the driving roller 22 is controlled to rotate, the motor rotor 6 is driven to rotate, accurate positioning of the center of the tensioning head 45 and the copper bar of the motor rotor 6 is achieved, and the operator can also manually finely adjust the positioning of the first tensioning wheel 452 according to actual conditions on site.

Referring to fig. 1 to 8, as a specific embodiment of the automatic tensioning device for the copper bar of the traction motor provided by the present invention, the automatic tensioning device for the copper bar of the traction motor further includes a control system 5, and the vertical moving mechanism 43, the horizontal moving mechanism 44, the tensioning cylinder 451, the driving roller 22, the distance measuring sensor 454, and the camera 455 are all connected to the control system 5, so that the information such as the position of the motor rotor 6 and the distance from the tensioning head 45 can be monitored by the distance measuring sensor 454 and the camera 455, and after the information is transmitted to the control system 5, the control system 5 analyzes the signal to control the vertical moving mechanism 43, the horizontal moving mechanism 44, and the tensioning cylinder 451 to act, so as to accurately and quickly complete the extrusion of the copper bar of the motor rotor 6. During use, the vertical moving mechanism 43, the horizontal moving mechanism 44, the tensioning oil cylinder 451, the driving roller 22, the distance measuring sensor 454 and the camera 455 input key parameters such as the type of a rotor (workpiece), the diameter of an iron core, the number of copper bars (the number of iron core slots), the length of the copper bars, the width of the copper bars, the tensioning depth, the tensioning pressure, the tensioning length, the tensioning speed, the rotor transmission speed and the like through a man-machine interface, the control system 5 calculates various tensioning data of the motor rotor 6 according to the parameters, for example, the control system 5 calculates the angle that the rotor needs to rotate when one copper bar tensioning rotor is completed according to the parameters such as the diameter of the iron core, the number of the copper bars and the width of the copper bars.

Referring to fig. 1 to 6, as a specific embodiment of the automatic tensioning device for a copper bar of a traction motor provided by the present invention, the jacking mechanism 23 includes a linear actuator 231 and an electric roller 232, the electric roller 232 is disposed at a free end of the linear actuator 231, the linear actuator 231 is mounted in the support frame 21, and the electric roller 232 is mounted at the free end of the linear actuator 231, so that when the jacking mechanism 23 is started to move, the electric roller 232 directly contacts with the motor rotor 6, and when the motor rotor 6 needs to be transported to the receiving device 3, the electric roller 232 is started, and the motor rotor 6 is driven to move toward the receiving device 2 under the rotation and friction forces of the electric roller 232.

Referring to fig. 1, as a specific embodiment of the automatic tension device for the copper bar by the traction motor provided by the present invention, the conveying device 1 includes a plurality of transmission rollers 12, a conveyor belt wound around the plurality of transmission rollers 12, a transmission chain 13 connected to each transmission roller 12, and a driving motor 14 for driving the transmission chain 13 to move, the conveying device 1 is further provided with a second tension wheel 15 for controlling the tension of the transmission chain 13, the conveying device 1 further includes a frame, the plurality of transmission rollers 12 arranged in parallel and spaced apart are rotatably connected in the frame, gears are arranged at two ends of each transmission roller 12, then the transmission chain 13 is engaged with the gears of the plurality of transmission rollers 12, the driving motor 14 is started to drive the transmission chain 13 to generate transmission, each transmission roller 12 and the conveyor belt are driven by the plurality of gears to move, the motor rotor 6 is placed on the conveyor belt to transport and move, the chain transmission stability is higher, the condition of skidding can not appear. The upper end surface of the transmission belt is a first conveying surface 11. And anti-skid stripes or anti-skid grooves are arranged on the conveyor belt to prevent the motor rotor 6 from skidding.

Referring to fig. 1, as a specific embodiment of the automatic tensioning device for the copper bar of the traction motor provided by the present invention, a protective cover for shielding the transmission roller 12, the transmission chain 13 and the driving motor 14 is disposed on the conveying device 1, and the transmission roller 12, the transmission chain 13 and the like of the conveying device 1 are shielded by the protective cover, so as to prevent a worker or an external device from contacting the transmission roller 12 and the transmission chain 13 through the outer wall of the conveying device 1, and avoid a safety failure.

Referring to fig. 1, as a specific embodiment of the automatic tensioning device for a copper bar of a traction motor provided by the present invention, a distance between the jacking mechanism 23 and the driving roller 22 is smaller than a distance between the jacking mechanism 23 and the supporting roller 24, namely, the jacking mechanism 23 is arranged close to the driving roller 22, after the copper bar is extruded and tensioned, the jacking mechanism 23 is started to move upwards and act on the motor rotor 6, further making the motor rotor 6 move towards the supporting roller 24, and making the motor rotor 6 move from the supporting roller 24 to the second conveying surface 31 of the receiving device 3 more smoothly under the action of the driving roller 22, the lower end of the jacking mechanism 23 is hinged with the bottom surface of the supporting frame 21, and an electric push rod is arranged to be connected with the jacking mechanism 23, therefore, the jacking mechanism 23 can be driven to rotate by the electric push rod, the moving direction of the jacking mechanism 23 is changed, and the upper end of the jacking mechanism 23 is inclined towards the supporting roller 24.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.