CN-115647774-B - Multistation carbon brush spring assembly machine

CN115647774BCN 115647774 BCN115647774 BCN 115647774BCN-115647774-B

Abstract

The invention provides a multi-station carbon brush spring assembly machine which solves the technical problems that the existing assembly machine is low in automation degree and not applicable to multi-type assembly and comprises a workbench, a visual feeding system, a manipulator, a turntable mechanism, an angle adjusting mechanism and a detection mechanism. A rotary table mechanism is arranged at one side of the discharging end of the visual feeding system, a plurality of stations are rotatably connected on the rotary table, and a carbon brush tool is placed on the rotary table; an angle adjusting mechanism is arranged below the turntable. A manipulator is arranged between the visual feeding system and the turntable mechanism, and the manipulator is provided with a spring tool. The side direction of the turntable mechanism is also provided with a detection mechanism, and a position detection sensor is arranged. The invention realizes the capability of multi-type assembly by applying the visual feeding system and matching with the multi-station tooling application, combines the automation of mechanical lifting, and also carries out terminal detection and feedback adjustment by means of the angle adjusting mechanism and the detecting mechanism, thereby improving the integral assembly precision and being widely applied to the technical field of motor assembly.

Inventors

LIU WEIYING
CHEN LULU
WANG XU
ZHOU SHUANGFENG
Miao Yulin

Assignees

威海华电碳技术有限公司

Dates

Publication Date: 20260505
Application Date: 20221109

Claims (7)

1. The multi-station carbon brush spring assembly machine is characterized by comprising a workbench, a visual feeding system, a manipulator, a turntable mechanism, an angle adjusting mechanism and a detection mechanism, wherein the visual feeding system, the manipulator, the turntable mechanism, the angle adjusting mechanism and the detection mechanism are all arranged on the workbench; The visual feeding system comprises a visual feeding system, a rotary table mechanism, a positioning mechanism, an angle adjusting mechanism, a rotary table mechanism and a rotary table mechanism, wherein one side of a discharge end of the visual feeding system is provided with the rotary table mechanism; The lower part of the angle adjusting mechanism is provided with a lifting mechanism, and the movable end of the lifting mechanism is provided with a rotary mechanism; The mechanical arm is arranged between the visual feeding system and the turntable mechanism, and a spring tool is arranged at the movable end of the mechanical arm and used for clamping and twisting a spring; The side direction of the turntable mechanism is also provided with the detection mechanism, the main body is a multi-axis mobile platform, the movable end of the platform is provided with a position detection sensor, and the position detection sensor is used for measuring the displacement difference of each brush frame upright post to compensate the position of the mechanical arm mounting spring; The visual feeding system comprises a bin, a machine vision component and a flexible vibration disc, wherein a linear vibrator is arranged at the lower part of the bin, and a discharge hole is positioned above the flexible vibration disc; The side direction of the turntable is provided with a photoelectric switch, the side surface of each carbon brush tool is provided with a zero position piece, the lower surface of the turntable is vertically provided with a plurality of station identification pieces, the center of the turntable mounting plate is provided with a photoelectric sensor, the station identification pieces are matched to serve as station detection components for identifying the angle position of the turntable, and the specific position of the brush holder in the tool can be confirmed by combining the zero position identification of the tool.
2. The multi-station carbon brush spring assembly machine according to claim 1, wherein the machine vision assembly comprises an intelligent camera and a light source, and the intelligent camera and the light source are mounted above the flexible vibration disk through a cantilever bracket.
3. The multi-station carbon brush spring assembly machine according to claim 1, wherein the split type connecting structure is a face gear pair, face gears are arranged on the movable end face of the rotating mechanism and the lower end face of the carbon brush tool, and the face gears at two corresponding positions are meshed after the lifting mechanism ascends.
4. The multi-station carbon brush spring assembly machine according to claim 1, wherein the manipulator is a multi-axis industrial manipulator, and the movable end is provided with a tool mounting seat.
5. The multi-station carbon brush spring assembly machine according to claim 1, wherein a rotating mechanism is arranged at the upper part of the spring tool, the tail end of the rotating shaft is coaxially connected with a spring positioning pin through a rebound mechanism, a poking needle is fixedly arranged at the lower part of the spring tool, and the poking needle is located at the lateral direction of the spring positioning pin.
6. The multi-station carbon brush spring assembly machine according to claim 5, wherein the rotating shaft is connected with a torque sensor in series.
7. The multi-station carbon brush spring assembly machine according to claim 1, wherein the main body of the detection mechanism is a two-dimensional moving platform, and the position detection sensor is a laser displacement sensor.

Description

Multistation carbon brush spring assembly machine Technical Field The invention relates to the technical field of motor assembly, in particular to a multi-station carbon brush spring assembly machine. Background The carbon brush of the motor is generally arranged on the brush holder, and in consideration of the problems of replacement, fixation and component matching, a disc-type torsion spring or a coil spring is generally adopted for laterally fixing the carbon brush and the brush holder, the existing carbon brush spring installation is finished by a spring installation machine, and one spring installation machine is only suitable for springs with one specification and the corresponding brush holder. For example, chinese patent CN 209970046U-an automatic mounting machine for automotive carbon brush torsion spring is disclosed, which is provided with a vibration disc feeding mechanism, a spring-carrying disc mechanism, a robot assembly, a spring-taking device assembly, a brush-carrying disc assembly and a workbench, wherein the vibration disc feeding mechanism is provided with a vibration disc chassis and a vibration disc, the spring-carrying disc mechanism is provided with a first servo motor, a first speed reducer, a spring-carrying disc support and a spring-carrying disc, the spring-taking device assembly is provided with two spring-taking devices, namely a first spring-taking device and a second spring-taking device, and is provided with a revolving cylinder, a torsion sensor, a revolving mechanism, a spring locator and a revolving dial needle, and the brush-carrying disc assembly is provided with a second servo motor, a second speed reducer, a brush-carrying disc support and a brush-carrying disc. The technical scheme has higher automation degree, solves the problem that the traditional process equipment needs more manual participation, but can not work normally if the condition of replacing workpieces of different types occurs, and generally needs to be stopped for tooling replacement, zero calibration and other preparation works. In summary, it is also necessary to design a complete machine suitable for rapid switching of various models and automatic identification for carbon brush spring assembly. Disclosure of Invention The invention aims to solve the defects of the background technology and provides a multi-station carbon brush spring assembly machine which is suitable for workpieces with multiple types. The invention provides a multi-station carbon brush spring assembly machine which mainly comprises a workbench, a visual feeding system, a manipulator, a turntable mechanism, an angle adjusting mechanism and a detection mechanism, wherein the visual feeding system, the manipulator, the turntable mechanism, the angle adjusting mechanism and the detection mechanism are all arranged on the workbench; the visual feeding system comprises a visual feeding system, a rotary table mechanism, a plurality of stations, a carbon brush tool, an angle adjusting mechanism and a control mechanism, wherein one side of a discharge end of the visual feeding system is provided with the rotary table mechanism; The lower part of the angle adjusting mechanism is provided with a lifting mechanism, and the movable end of the lifting mechanism is provided with a rotary mechanism; The mechanical arm is arranged between the visual feeding system and the turntable mechanism, and a spring tool is arranged at the movable end of the mechanical arm and used for clamping and twisting a spring; The side direction of carousel mechanism still is equipped with detection mechanism, and the main part is multiaxis moving platform, and position detection sensor is installed to the expansion end of platform. Preferably, the visual feeding system comprises a storage bin, a machine vision assembly and a flexible vibration disc, wherein a linear vibrator is arranged at the lower part of the storage bin, a discharge hole is positioned above the flexible vibration disc, and the machine vision assembly is further arranged above the flexible vibration disc. Preferably, the machine vision assembly comprises an intelligent camera and a light source, wherein the intelligent camera and the light source are arranged above the flexible vibration disc through a cantilever bracket. Preferably, a photoelectric switch is arranged at the side of the turntable, and a zero piece is arranged at the side of each carbon brush tool. Preferably, a station detection sensor is arranged between the turntable and the fixed end of the turntable mechanism. Preferably, the split type connecting structure is a face gear pair, face gears are arranged on the end face of the movable end of the rotating mechanism and the end face of the lower portion of the carbon brush tool, and the face gears at two corresponding positions are meshed after the lifting mechanism ascends. Preferably, the manipulator is a multi-axis industrial manipulator, and the movable end is provided with