CN207606483U - A kind of commutator press fitting height control press-loading apparatus - Google Patents

Abstract

The utility model discloses a commutator press-fit height control press-fit device, which can measure the data of the commutator and the rotor shaft end in real time during the process of the commutator being loaded into the rotor shaft, and calculate the commutator press-fit height through PLC. The height value to the rotor shaft is compared with the set standard value to obtain the required compensation value, and the grasping and pressing mechanism is controlled to move up or down to the set standard height value, ensuring that the height of the commutator pressed into the rotor shaft is consistent , to control the commutator pressing height more accurately; a control pressing device, including a support frame and a servo module installed on the support frame, the servo module is provided with a traversing mechanism, and the traversing mechanism is equipped with a grasping press Assembly mechanism; during the production process of installing the commutator on the rotor shaft of the micro-motor, the commutator rotor press-fit device can automatically complete the press-fit assembly operation, can control the height of the press-fit commutator in real time, and compensate and correct, with low labor intensity , Greatly improve product quality, high degree of automation.

Description

A commutator press-fit height control press-fit device

technical field

The utility model relates to a method for controlling the press-fit height of a motor commutator and a press-fit device, in particular to a method for controlling the height of a micro-motor commutator and a rotor shaft assembly, in particular to a real-time control device for press-fit height of a commutator A press-fitting device belongs to the technical field of micro-motor production process equipment.

Background technique

At present, the micro motor production industry has always been a labor-intensive industry. Because of the particularity of the products, it has not been able to realize automatic production. For example, the assembly process of the commutator and the rotor shaft requires a lot of labor to position the product, identify the direction, and turn around. As a result, the production capacity is low, and it is prone to wrong and missing parts, the quality cannot be effectively guaranteed, and the qualified rate of finished products is low; after the commutator is pressed onto the rotor shaft, it is necessary to frequently measure the distance between the commutator and the end face of the rotor silicon steel sheet height in order to determine the press-fit position of the commutator. The traditional measurement method is to directly measure the data with a caliper after the commutator and rotor are press-fitted. The position accuracy is not easy to guarantee, the error is large, and unqualified products are prone to appear. With the current increase in labor costs and the increasing gap in labor demand and other factors, the overall production cost of micro-motor enterprises has risen sharply and affected the healthy development of the industry.

However, with the vigorous development of the automobile industry in recent years and the increasingly wide application of various electrical products, the output and quality of micro-motors are in demand for a major increase. The traditional manual and semi-automatic installation of motor commutator equipment has been unable to meet product efficiency and Product quality requirements and market factors require reducing labor cost input and improving production efficiency. Highly automated micro-motor commutator press-fit height measurement and automatic assembly equipment are very much needed.

Contents of the invention

The main purpose of this utility model is to overcome the above-mentioned defects of the prior art, and provide a micro-motor commutator and rotor press-fitting height control press-fitting device, which can measure the commutator and rotor in real time during the process of commutator pressing into the rotor shaft. The data at the end of the rotor shaft is calculated through the PLC of the equipment to calculate the height of the commutator press-fitted to the rotor shaft, and then compared with the set standard height value to calculate the compensation value that needs to be moved, and drive the press-fit mechanism upward Or move down to the set standard height value to ensure that the height of the commutator pressed into the rotor shaft is consistent, and the control of the commutator press height is more accurate and the error value is small, ensuring the product quality of the commutator rotor assembly and improving production. efficiency.

The utility model relates to a commutator rotor pressing device, which comprises a support frame and a servo module installed on the support frame. The servo module is provided with a traversing mechanism, and the traversing mechanism is equipped with a grasping and pressing mechanism. After the motor rotor is clamped by the rotor clamping and positioning mechanism, the servo module drive machine traverse mechanism moves down, driving the grasping and pressing mechanism to move down and grasp the commutator on the mold fixture, and then rise again, and the traverse mechanism drives the grasping The commutator grabbed by the press-fitting mechanism is moved directly above the motor rotor on the mold fixture, and finally the servo module drives the grabbing and pressing-fitting mechanism installed on the traverse mechanism to press-fit the commutator onto the motor rotor shaft to complete the assembly process .

The beneficial effect of the utility model is that during the production process of installing the commutator on the rotor shaft of the micro-motor, the operator only needs to manually place the commutator on the mold fixture of the conveying mechanism, and the commutator height control press-fitting device can automatically complete the commutator The assembly operation of loading the commutator into the rotor shaft, and real-time control of the height of the press-fitted commutator, and compensation and correction, the labor intensity is low, the product quality is greatly improved, the degree of automation is high, and there is no assembly skill requirement for the operator, which improves the product quality. and production efficiency.

The intelligent system is used to automatically complete all the assembly work, which greatly reduces the work intensity and improves the production efficiency; the configuration of the assembly equipment conveys the motor rotor and the commutator into the assembly area through the pallet mold, and a measuring device for real-time measurement of the commutator press-fitting height, the product The accuracy of the clamping assembly position is hardly affected by the product size error, which greatly improves the assembly accuracy of the product. PLC and man-machine interface are used to control various calculations and actions of the equipment, and various alarms of the equipment have operation prompts, which are automatic. high degree.

Description of drawings

A commutator press-fitting height control press-fitting device of the present utility model will be further described below in combination with the accompanying drawings and specific embodiments.

Fig. 1 is a three-dimensional view of commutator rotor press-fit height control and assembly equipment involved in a commutator-rotor press-fit device of the present invention.

Fig. 2 is a front view of a commutator rotor press-fitting device of the present invention.

Fig. 3 is a three-dimensional schematic diagram of a commutator rotor press-fitting device of the present invention.

Fig. 4 is a three-dimensional view of the grasping and pressing mechanism included in the present invention.

Fig. 5 is a schematic diagram of the measurement of the height of the commutator pressed into the rotor shaft and the position of the press-fit in a commutator press-fit height control press-fit device of the present invention.

Fig. 6 is a cross-sectional schematic diagram of the measurement of the height of the commutator pressed into the rotor shaft and the position of the press-fit in a commutator press-fit height control press-fit device of the utility model.

In the figure, 1. Table frame; 2. Tray jacking mechanism; 3. Die fixture; 4. Clamping and positioning mechanism; 5. Control pressing device; 6. Conveyor mechanism; 7. Rotor; 51. Support frame; 52. Servo module; 53. Traversing mechanism; 54. Grabbing and pressing mechanism; 55. Commutator; 541. Servo motor; 542. Displacement sensor; 543. Grabbing mounting plate; Connecting shaft; 546, three-jaw cylinder; 547, commutator pressure head; 548, grasping jaw; 549, detection switch.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. The technological method of the utility model is novel in conception. During the process of pressing the commutator into the rotor shaft, the data of the commutator and the rotor shaft end can be measured in real time, and the data calculation is performed by the PLC of the equipment to calculate the height of the commutator pressed into the rotor shaft. value, and then compared with the set standard height value, calculate the compensation value that needs to be moved, and drive the press-fitting mechanism to move up or down to the set standard height value, ensuring that the height of the commutator pressed into the rotor shaft is consistent, The press-fitting is highly accurate and the error value is small, which ensures the quality of the commutator rotor assembly product.

As shown in Fig. 1, a commutator rotor press-fit height control and assembly equipment related to the embodiment of the utility model, the technical solution will be further described below in conjunction with the accompanying drawings. It includes a table frame 1, a tray lifting mechanism 2 installed on the table frame 1, a rotor clamping and positioning mechanism 4, and a control pressing device 5. The table frame 1 below the control pressing device 5 is equipped with The conveying mechanism 6 is provided with a plurality of tray mold fixtures 3 . Manually place the commutator on the pallet mold fixture 3, the motor rotor 7 and the commutator 55 are input together with the pallet mold fixture 3 from the previous process, the pallet mold fixture 3 is blocked and positioned, and the pallet lifting mechanism 2 lifts the pallet mold fixture 3, The rotor clamping and positioning mechanism 4 moves to clamp the rotor 7, and the grasping and pressing mechanism 54 grasps the commutator 55 from the pallet mold fixture 3, press-fits the commutator 55 onto the positioned rotor shaft, and can measure in real time after assembly The press-fitting height of the commutator and the realization of height compensation ensure that the height of the commutator pressed into the rotor shaft is consistent, the press-fitting height is accurate, the error value is small, and the quality of the commutator-rotor assembly product is guaranteed.

As shown in Figures 2 and 3, the control pressing device 5 includes a support frame 51 and a servo module 52 installed on the support frame 51, the servo module 52 is provided with a traverse mechanism 53, and the traverse mechanism 53 is equipped with grasping and pressing mechanism 54. After the rotor clamping and positioning mechanism 4 clamps the motor rotor 7, the servo module 52 drives the lateral movement mechanism 53 to move down, driving the grasping and pressing mechanism 54 to move down to grasp the commutator 55 on the mold fixture 3, and then rise , the traversing mechanism 53 drives the grabbing and pressing mechanism 54 to grab the commutator 55 to move directly above the motor rotor 7 on the mold fixture 3, and finally the servo module 52 drives the grabbing and pressing mechanism installed on the traversing mechanism 53 54. Press-fit the commutator 55 onto the rotor shaft of the motor rotor 7 to complete the assembly.

As shown in Figure 4, the described grabbing and pressing mechanism 54 includes grabbing a mounting plate 543 and an angle-measuring servo motor 541 and a pressing displacement sensor 542 installed on the grabbing mounting plate 543. Reduction box 544 is also installed, and below reduction box 544, grab three-claw cylinder 546 is installed, and below three-claw cylinder 546, rotary connecting shaft 545 and three grab jaws 548 are installed, and grab mounting plate 543 one side is also provided with Detect switch 549 . Both the grasping mounting plate 543 and the rotating connecting shaft 545 are provided with a through hole for the rotor shaft to pass through, so that the rotor shaft is in contact with the contacts of the press-fit displacement sensor 542 . The angle-measuring servo motor 541 can drive and grasp the three-claw cylinder 546 through the reduction box 544 to drive the rotor 7 to rotate at a certain angle, which is convenient for the CCD camera to detect the silicon steel sheet of the rotor. It is more accurate to set the compensation and control the press-fit height of the commutator.

As shown in Fig. 5 and Fig. 6, a commutator is pressed into the rotor shaft height measurement and press-fit position diagram in the commutator height control press-fit device, and the grabbing three-claw cylinder in the grabbing press-fitting mechanism 54 The 546 commutator 55 is pressed onto the rotor shaft of the rotor 7 fixed by the mold fixture 3. The displacement sensor 542 can measure the height displacement of the commutator 55 on the rotor shaft in real time. During the process of pressing the commutator 55 into the rotor shaft , can measure the data of the commutator 55 and the rotor shaft end in real time, and calculate the height value of the commutator 55 press-fitted to the rotor shaft through the PLC of the equipment, and then compare it with the set standard height value to calculate the need to move The compensation value is controlled to move the grasping and pressing mechanism 54 up or down to the set standard height value, ensuring that the height of the commutator 55 pressed into the rotor shaft is consistent, the pressing height is accurate, and the error value is small, ensuring that the commutator The quality of the product after assembly of the 55 rotor 7 improves the production efficiency.

The content of the specific embodiments described above is only a preferred embodiment of the present utility model, and is not used to limit the scope of implementation of the present utility model; those skilled in the art of the utility model can make various modifications to the described specific embodiments Such modification or supplement or substitution in a similar manner, but will not deviate from the spirit of the utility model or go beyond the scope defined in the appended claims; Changes and improvements are covered by the protection scope of the claims of the present utility model.

Claims (3)

1. A commutator press-fit height control press-fit device, through a commutator rotor press-fit height control and assembly equipment, including a table frame (1) and a pallet top mounted on the table frame (1) The lifting mechanism (2), the rotor clamping and positioning mechanism (4) and the control press-fit device (5), the table frame (1) below the control press-fit device (5) is provided with a conveying mechanism (6), and the conveying mechanism (6) is provided with a plurality of pallet mold fixtures (3), during the process of loading the commutator into the rotor shaft, the press-fitting device (5) is controlled to move up or down to the set standard height value; Control the pressing device (5), including the support frame (51) and the servo module (52) installed on the support frame (51), the servo module (52) is provided with a traverse mechanism (53), the traverse mechanism (53) is equipped with grasping and pressing mechanism (54). 2. A commutator press-fitting height control press-fitting device according to claim 1, the grabbing press-fitting mechanism (54) includes a grabbing mounting plate (543) and a measuring device installed on the grabbing mounting plate (543). Angle servo motor (541) and press-fit displacement sensor (542), also be equipped with reduction box (544) below the grab installation plate (543), and grab three-jaw air cylinder (546) is installed below the reduction box (544), three A rotary connection shaft (545) and three grabbing jaws (548) are installed below the claw cylinder (546), and a detection switch (549) is also provided on one side of the grabbing mounting plate (543). 3. A commutator press-fitting height control press-fitting device according to claim 2, the grasping mounting plate (543) and the rotating connecting shaft (545) are both provided with a through hole for the rotor shaft to pass through, so that The rotor shaft is in contact with the contacts of the press-fit displacement sensor (542).