CN114152196B - Motor rotor assembly quality comprehensive detection equipment - Google Patents
Motor rotor assembly quality comprehensive detection equipment Download PDFInfo
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- CN114152196B CN114152196B CN202111450007.XA CN202111450007A CN114152196B CN 114152196 B CN114152196 B CN 114152196B CN 202111450007 A CN202111450007 A CN 202111450007A CN 114152196 B CN114152196 B CN 114152196B
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- 238000001514 detection method Methods 0.000 title claims abstract description 82
- 230000007246 mechanism Effects 0.000 claims abstract description 180
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 81
- 239000000758 substrate Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- Manufacture Of Motors, Generators (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The application provides a motor rotor assembly quality comprehensive detection device, which comprises: an axial upward force applying mechanism for applying a downward force to the motor rotor; an axial downward force application mechanism for applying an upward force to the axial direction of the motor rotor and applying a leftward and rightward force to the radial direction of the motor rotor; the detection mechanism is used for measuring the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and radial circle runout when the rotor rotates; the motor compressing mechanism is used for driving the motor to be tested to move up and down and compress the motor to be tested; the motor feeding and discharging mobile platform is used for placing a motor to be tested and conveying and fixing the motor to be tested at a detection station of the working platform; the working platform is used for installing all the mechanisms; the control unit is used for being in communication connection with each mechanism so as to control each mechanism to execute actions according to a preset program. The application can fully automatically and precisely detect the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and the radial circle runout of the rotor during rotation.
Description
Technical Field
The invention relates to the technical field of motor performance detection, in particular to a comprehensive detection device for motor rotor assembly quality.
Background
It is known that an electric motor is a typical rotating element, the quality of the assembly of the rotor of which directly affects the operational smoothness and the life of the motor and the coaxiality of the axial connection of the motor to the device being towed.
The indexes for evaluating the quality of the motor rotor assembly mainly comprise rotor radial clearance, rotor axial clearance and radial circle runout when the rotor rotates. The axial clearance refers to the maximum axial movement distance of the motor rotor generated in the motor shell under the action of the allowed maximum axial external force; the radial clearance refers to the maximum radial offset distance between the rotor axis and the motor shell axis of the motor rotor under the allowable maximum radial external force; the radial circle runout refers to the maximum radial circle runout and the minimum radial circle runout generated by taking the axle center of the motor shell as a reference shaft when the motor rotor rotates.
At present, most of radial runout detection of a rotor radial clearance, a rotor axial clearance and rotor rotation is manual detection, the measuring method is to manually apply external force, the measuring tool is used for manually measuring the parameters, and the measuring efficiency is low and the accuracy is poor.
Disclosure of Invention
The invention provides a comprehensive detection device for the assembly quality of a motor rotor, which solves the technical problems and realizes the full-automatic comprehensive detection of various performances of the assembly quality of the motor rotor.
The invention provides a motor rotor assembly quality comprehensive detection device, which comprises:
an axial upward force applying mechanism for applying a downward force to the motor rotor;
an axial downward force application mechanism for applying an upward force to the axial direction of the motor rotor and applying a leftward and rightward force to the radial direction of the motor rotor;
the detection mechanism is used for measuring the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and radial circle runout when the rotor rotates;
The motor compressing mechanism is used for driving the motor to be tested to move up and down and compress the motor to be tested;
The motor feeding and discharging mobile platform is used for placing a motor to be tested and conveying and fixing the motor to be tested at a detection station of the working platform;
The working platform is used for installing the axial upper force application mechanism, the axial lower force application mechanism, the motor pressing mechanism, the motor feeding and discharging moving platform and the detection mechanism;
The control unit is used for being in communication connection with the axial upward force application mechanism, the axial downward force application mechanism, the motor pressing mechanism, the motor feeding and discharging moving platform and the detection mechanism so as to control the mechanisms to execute actions according to a preset program.
Preferably, the axial upward force application mechanism comprises a sensor fixing seat, a weighing sensor arranged on the sensor fixing seat and an upward force application pressure head arranged on the weighing sensor; still including installing respectively in installing support back and positive servo motor and ball, servo motor with ball passes through drive belt transmission and is connected, and the front of installing support is installed the slide rail with ball parallel, the sensor fixing base is fixed on the slide rail slider, the sensor fixing base pass through screw nut fixed connection piece with ball is connected, through servo motor rotation direction control the sensor fixing base reciprocates.
Preferably, the axial downward force application mechanism comprises a lower force application mechanism substrate, a horizontal motion motor arranged on the side wall of the lower force application mechanism substrate, and a horizontal motion ball screw arranged on the back surface of the lower force application mechanism substrate and coaxially connected with the horizontal motion motor;
The device also comprises a horizontal movement sliding rail arranged on the front surface of the lower force application mechanism base plate, a sliding block arranged on the horizontal movement sliding rail and a lower force application mechanism moving plate connected with the sliding block; the lower force application mechanism moving plate is connected with a horizontal movement ball screw through a screw rod nut seat connecting piece; the motor fixing seat is arranged at the top of the lower force application mechanism moving plate, the motor fixing seat is provided with an up-and-down motion motor, the front surface of the lower force application mechanism moving plate is provided with an up-and-down motion sliding rail and an up-and-down motion ball screw which is coaxially connected with the up-and-down motion motor, the up-and-down motion ball screw is connected with the sensor fixing seat, the sensor fixing seat is fixedly connected with the cantilever sensor, and the other end of the cantilever sensor is provided with a force application component.
Preferably, the force application assembly comprises a weighing sensor fixing seat, a weighing sensor arranged on the weighing sensor fixing seat, a pressure head fixing seat arranged on the weighing sensor and a lower force application pressure head arranged on the pressure head fixing seat.
Preferably, the detection mechanism comprises a sensor moving seat, an up-down motion motor and an up-down motion ball screw which are arranged on the back surface of the sensor moving seat and are connected through a belt transmission, an up-down motion sliding rail arranged on the front surface of a vertical plate of the sensor moving seat, an up-down motion plate fixed on a sliding block of the up-down motion sliding rail, an up-down motion ball screw connected with the up-down motion plate through a screw rod nut seat, a sensor fixing seat arranged on the up-down motion plate, and a micro-motion measurement mechanism arranged on the up-down motion plate through the sensor fixing seat;
The micro-motion measuring mechanism comprises a micro-motion measuring block gauge and a laser sensor which are arranged on the sensor fixing seat, a measuring probe arranged on the top of the micro-motion measuring block gauge, and a contact sensor which transversely penetrates through a center hole of the micro-motion measuring block gauge; the sensor moving seat is fixedly connected with the screw-nut seat and is arranged on the sliding rail through a sliding block.
Preferably, the motor feeding and discharging mobile platform comprises a platform body, two sliding rails which are arranged on the platform body and are distributed in parallel, a motor tray which is used for being slidably arranged on the sliding rails to carry a motor to be tested, and a limiting mechanism which is arranged on the platform body and is used for limiting the motor tray to slide in the preset length of the sliding rails;
The motor tray driving device is fixedly arranged on the side face of the motor tray, and the positioning block is fixedly connected to the driving end of the positioning block driving device, is used for clamping and adapting to the positioning groove of the motor tray and is used for compressing and positioning the motor tray.
Preferably, the motor tray comprises a base plate slidably mounted on the slide rail and a motor positioning tray detachably mounted on the base plate, and through holes matched with the outer circle of the motor are formed in the center positions of the base plate and the motor positioning tray.
Preferably, the limiting mechanism comprises an L-shaped limiting block fixedly arranged on the substrate and an L-shaped limiting seat arranged on the platform body and used for limiting the L-shaped limiting block.
Preferably, a handle is mounted on the front side of the base plate.
According to the comprehensive detection equipment for the assembly quality of the motor rotor, the motor to be detected is placed on the motor feeding and discharging moving platform, the motor pressing mechanism is controlled by the control unit to press the motor to be detected, the axial upward force application mechanism applies downward pressure to the motor rotor, the axial downward force application mechanism applies upward axial force and radial force perpendicular to the axial direction to the motor rotor, and the detection mechanism is matched to measure the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and radial circle runout of the rotor during rotation. Compared with the traditional manual measurement method, the application can fully automatically detect the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and the radial circle runout value when the rotor rotates, and accurately evaluate the assembly quality of the motor rotor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a working schematic diagram of the motor rotor assembly quality comprehensive detection device provided by the invention;
fig. 2 is a schematic structural diagram of the motor rotor assembly quality comprehensive detection device provided by the invention;
FIG. 3 is a partial schematic view of FIG. 2;
FIGS. 4 and 5 are schematic views of the axial force applying mechanism in FIG. 2;
FIG. 6 is a schematic view of the downward axial force mechanism in FIG. 2;
fig. 7 is a schematic structural diagram of the detection mechanism in fig. 2.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of enabling those skilled in the art to better understand the aspects of the present invention.
The motor with U-shaped groove on the end face of the motor rotor extending shaft is taken as an example to describe the comprehensive detection of the assembly quality of the motor rotor, and the implementation method of the motor with other shapes of motor rotor end faces is the same as the method.
Referring to fig. 1 to 3, fig. 1 is a schematic diagram of operation of a motor rotor assembly quality comprehensive detection apparatus provided by the present invention; fig. 2 is a schematic structural diagram of the motor rotor assembly quality comprehensive detection device provided by the invention; fig. 3 is a partial schematic view of fig. 2.
The invention provides a comprehensive detection device for the assembly quality of a motor rotor, which is particularly suitable for motor tests of a motor rotor with a U-shaped groove on the end face of an extending shaft, and mainly comprises an axial upper force application mechanism 1, an axial lower force application mechanism 2, a motor pressing mechanism 4, a detection mechanism 3, a motor feeding and discharging moving platform 5, a working platform 6 and a control unit.
The working platform 6 has a plate-like or block-like structure for mounting the respective partial structures of the inspection apparatus. The motor compressing mechanism 4 is arranged on the working platform 6, the top plate of the motor compressing mechanism 4 is fixed with the top of the vertical plate of the axial upward force applying mechanism 1 in a mechanical connection mode, the guide rod is fixed with the platform substrate of the motor feeding and discharging moving platform 5 in a mechanical connection mode, and the motor compressing mechanism 4 is used for compressing the motor to be tested. The motor feeding and discharging moving platform 5 is used for placing a motor to be tested and lifting the motor to be tested to a target position, the bottom of the motor feeding and discharging moving platform 5 is fixed on the working platform 6 through a supporting rod, and the right side is fixed with a vertical plate of the axial upper force application mechanism 1 in a mechanical connection mode.
The axial force application mechanism 1 is arranged on a vertical installation vertical plate 7 on the working platform 6, the center of an upper force application pressure head 103 of the axial force application mechanism 1 is opposite to the center of a motor positioning tool hole of the motor feeding and discharging moving platform 5, and downward pressure is applied to a motor rotor through the axial force application mechanism 1. The axial downward force application mechanism 2 is mounted on the work platform 6 for applying upward force to the axial direction of the motor rotor and leftward and rightward force to the radial direction of the motor rotor.
The detection mechanism 3 is installed on the working platform 6 and is used for measuring the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and the radial runout of the rotor during rotation of the rotor according to the force applied by the axial upper force application mechanism 1 and the axial lower force application mechanism 2, so that the assembly performance of the motor rotor is comprehensively evaluated.
According to the invention, the force application mechanism is used for directly applying force to the radial direction and the axial direction of the motor rotor, the end face of the motor rotor is a smooth mirror surface, and the detection mechanism 3 is used for measuring the axial displacement variation of the end face of the motor rotor; according to the fact that the side face of the motor rotor is arc-shaped, the radial displacement variation of the motor rotor is measured through the detection mechanism 3, and finally the assembly quality of the motor rotor is evaluated. All the mechanisms are in communication connection with a control unit, the control unit is an electrical control system integrating hardware and software, action control and working state parameter monitoring of all the mechanical devices are realized by the control unit, the control unit is in communication connection with an axial upper force application mechanism 1, an axial lower force application mechanism 2, a motor pressing mechanism 4, a motor feeding and discharging moving platform 5 and a detection mechanism 3, the running time and the running sequence of all the mechanisms are controlled by a control unit preset program, and the working state parameters of all the mechanisms are received and monitored, so that the action control of the mechanical devices is realized.
It should be noted that, the motor pressing mechanism 4 may be implemented by a hydraulic cylinder driving, an air cylinder driving, a screw nut driving, a linear motor driving, etc. which are not developed herein. In addition, the specific structure and control principle of the control unit are commonly applied in the market, and the present disclosure is not further developed herein with specific reference to the prior art.
The electronic rotor assembly quality comprehensive detection equipment provided by the application can realize automatic high-precision detection on the assembly precision of an assembly motor. The application has the advantages of simple structure, high efficiency and convenience in detection, time and labor saving and labor cost saving.
Referring to fig. 4 and 5, fig. 4 and 5 are schematic structural views of the axial force applying mechanism in fig. 2.
In a specific embodiment, the axial force applying mechanism 1 comprises an axial force applying mechanism sensor fixing seat 101, an axial force applying mechanism weighing sensor 102, an upper force applying pressure head 103, a servo motor 104, an axial force applying ball screw 105, a transmission belt 106, an axial longitudinal sliding rail 107 and a sliding block.
The axial force application mechanism sensor fixing seat 101 is provided with a base and a base reinforcing seat, the axial force application mechanism 102 is installed on the axial force application mechanism sensor fixing seat 101, the axial force application mechanism 102 is provided with an upper force application pressure head 103, and the upper force application pressure head 103 is installed on the bottom surface of the weighing sensor 213. The axial force-applying ball screw 105 is attached to the front surface of the mounting riser 7, the servo motor 104 is attached to the rear surface of the mounting riser 7, and the servo motor 104 and the axial force-applying ball screw 105 are connected by transmission via a lower transmission belt 106, whereby the rotational driving force is converted into linear motion. The front surface of the mounting vertical plate 7 is provided with an axial longitudinal sliding rail 107, the axial longitudinal sliding rail 107 is arranged in parallel with the axial force application ball screw 105, a sliding block is slidably mounted on the axial longitudinal sliding rail 107, and the axial force application mechanism sensor fixing seat 101 is fixed on the sliding block through a screw. The axial force application mechanism sensor fixing base 101 is connected to the axial force application ball screw 105 through a screw nut fixing connection. In this way, the servo motor 104 drives the shaft to move the ball screw 105 linearly upward, the upper biasing ram 103 is displaced by the cooperation of the axial upper biasing mechanism sensor holder 101 and the slider, and the axial upper biasing mechanism sensor holder 101 and the upper biasing ram 103 thereon are controlled to move up and down by controlling the rotation direction of the servo motor 104.
Referring to fig. 6, fig. 6 is a schematic structural view of the axial downward force applying mechanism in fig. 2.
The downward axial force application mechanism 2 includes an upward and downward movement motor 207, a downward force application mechanism moving plate 205, a longitudinal movement ball screw 209, a downward force application mechanism base plate 201, a ball screw nut seat connector 206, a horizontal movement ball screw 203, a horizontal movement slide rail 204, an downward axial force application horizontal movement motor 202, a downward force application mechanism upward and downward movement slide rail 208, a ram fixing seat 214, and a cantilever sensor 211.
The axial downward force application horizontal movement motor 202 is arranged on the side wall of the lower force application mechanism substrate 201, the horizontal movement ball screw 203 is arranged on the back surface of the lower force application mechanism substrate 201, the axial downward force application horizontal movement motor 202 is connected with the horizontal movement ball screw 203 through a coupler, the horizontal movement sliding rail 204 is arranged on the front surface of the lower force application mechanism substrate 201, the lower force application mechanism moving plate 205 is arranged on the sliding block of the horizontal movement sliding rail 204, and is connected with the horizontal movement ball screw 203 through a screw nut seat connecting piece 206; the up-down motion motor 207 is arranged at the top of the lower force application mechanism moving plate 205 through a motor fixing seat, and the longitudinal motion ball screw 209 is arranged at the front surface of the lower force application mechanism moving plate 205 and is connected with the up-down motion motor 207 through a coupler; the lower force application mechanism up-down movement sliding rail 208 is arranged on the front surface of the lower force application mechanism moving plate 205, is arranged in parallel with the longitudinal movement ball screw 209, and is connected with the longitudinal movement ball screw 209 through the lower force application mechanism sensor fixing seat 210; the cantilever sensor 211 is fixed with the sensor fixing seat 210 of the lower force application mechanism through one end of a connecting piece, and a force application component is installed at the other end.
When the horizontal movement motor 202 for applying force downwards in the axial direction rotates, the moving plate 205 of the force applying mechanism moves left and right to apply force in the radial direction, and when the motor 207 for moving up and down rotates, the moving plate 205 of the force applying mechanism moves up and down to apply force in the axial direction, and the force applying component processes the shaft end of the cylinder into a boss, mills flat, and is convenient for applying force in a U-shaped groove extending out of the shaft end of the motor rotor.
Specifically, the force application assembly includes a load cell fixing base 212, a load cell 213, a pressure head fixing base 214, and a lower force application pressure head 215, the load cell 213 is mounted on the load cell fixing base 212, and the lower force application pressure head 215 is mounted on the upper portion of the load cell 213 through the pressure head fixing base 214.
Referring to fig. 7, fig. 7 is a schematic structural diagram of the detection mechanism in fig. 2.
The detection mechanism 34 includes a sensor moving base 301, a detection mechanism up-down movement motor 302, an up-down movement ball screw 303, a detection mechanism up-down movement slide rail 304, an up-down movement plate 305, a measurement probe 306, a micro-motion measurement block gauge 307, a contact sensor 308, a laser sensor 309, a detection mechanism horizontal movement slide rail 314, a lead screw nut base 313, a detection mechanism horizontal movement ball screw 312, a detection mechanism substrate 310, and a detection mechanism horizontal movement motor 311.
The up-down motion motor 302 and the up-down motion ball screw 303 of the detection mechanism are fixed on the back of the vertical plate of the sensor moving seat 301 through a connecting piece, and are kept parallel and are driven by a belt; the up-and-down motion slide rail 304 of the detection mechanism is arranged on the front surface of the vertical plate of the sensor moving seat 301; the measuring probe 306 is installed on the top of the micro-motion measuring block gauge 307, and the measuring rod of the contact sensor 308 passes through the center hole of the micro-motion measuring block gauge 307 to form a micro-motion measuring mechanism.
Specifically, the micro-motion measuring mechanism is fixed to the up-down moving plate 305 through a fixing base, and the laser sensor 309 is fixed to the side of the up-down moving plate 305; the up-and-down moving plate 305 is fixed on a slide block of an up-and-down moving slide rail 304 of the detection mechanism, and is connected with an up-and-down moving ball screw 303 through a screw-nut seat 313, the up-and-down moving motor 302 of the detection mechanism rotates, the up-and-down moving plate 305 moves up and down, and a measuring probe 306 is convenient to extend into a gap at the shaft end of the motor to be measured for measurement. The detection mechanism horizontal movement sliding rail 314 and the detection mechanism horizontal movement ball screw 312 are arranged on the detection mechanism substrate 310 in parallel, the detection mechanism horizontal movement motor 311 is arranged on the side surface of the detection mechanism substrate 310 through a motor fixing seat, and is connected with the detection mechanism horizontal movement ball screw 312 through a coupling; the sensor moving base 301 is mounted on a slider of the detection mechanism horizontal movement ball screw 312, and is connected to the detection mechanism horizontal movement ball screw 312 through a lead screw nut base 313, and the detection mechanism horizontal movement motor 311 rotates, thereby driving the sensor moving base 301 to move left and right.
Above-mentioned unloading moving platform 5 on motor includes the platform body, installs in the platform body and two slide rails, motor tray and the stop gear of parallel distribution, two slide rail vertical settings, through fastener fixed mounting on the platform body, the motor tray is massive structure, and its bottom is through two slider slidable mounting on two slide rails, and the motor tray is used for placing the motor that awaits measuring to with the detection hole site department at the middle part of the platform body that awaits measuring the motor transportation.
The motor tray is characterized in that a positioning block driving device is fixedly installed on the platform body, a positioning groove is formed in the side end of the motor tray, the positioning groove is a rectangular section groove, a positioning block is installed at the driving end of the positioning block driving device, the positioning block is driven by the positioning block driving device to be matched with the positioning groove, the positioning block is clamped into the positioning groove formed in the side face of the motor tray, and the motor tray and a motor to be tested, which is borne by the motor tray, are pressed and positioned.
The motor tray comprises a base plate and a motor positioning tray, the base plate is in sliding fit with the sliding rail, the base plate moves along the sliding rail under the action of external force, the motor positioning tray is fixed on the base plate through screw connection and can move along with the base plate, and the aperture of the motor is placed at the center of the motor positioning tray and is matched with the outer circle size of the motor.
The limiting mechanism comprises an L-shaped limiting block and an L-shaped limiting seat, the L-shaped limiting block is fixedly arranged on the base plate through screws, the L-shaped limiting seat is arranged on the platform body, a blocking part of the L-shaped limiting seat transversely extends out, the vertical limiting part of the L-shaped limiting block is blocked and limited, and the motor tray is prevented from overtravel motion, so that the safety of a motor is ensured.
In order to facilitate a worker to pull the platform body, a handle can be arranged at the front end of the platform body, and a worker can move the position of the motor to be tested by pulling the handle, so that the device is more convenient and labor-saving.
The electronic rotor assembly quality comprehensive detection equipment provided by the invention has the following working procedures:
the method comprises the steps that firstly, a control unit controls an axial upward force application mechanism 1, an axial downward force application mechanism 2, a detection mechanism 3 and a motor pressing mechanism 4 to move to an initial position, an operator manually pulls out a motor feeding and discharging moving platform 5, a motor to be tested is placed in a positioning tool, the attachment of a motor mounting surface and the tool is ensured, the motor feeding and discharging moving platform 5 is manually pushed to the bottom, a limiting pin is inserted into a limiting sleeve, and the moving platform is locked;
Step two, starting a test, wherein the control unit controls the cylinder of the motor pressing mechanism 4 to extend out to push the nylon pressing plate to press the motor to be tested, the detection mechanism 3 moves the laser sensor 309 to a position opposite to the end face of the motor rotor to be tested, the distance between the end face of the motor rotor to be tested and the laser sensor 309 is measured to be an initial distance, and the measuring probe 306 is not in contact with the motor rotor to be tested at the moment;
Step three, the servo motor 104 of the axial upward force application mechanism 1 rotates, the driving shaft upward force application ball screw 105 moves downwards, the upward force application pressure head 103 moves downwards to be in contact with the upper end surface of the motor rotor to be tested, when the pressure sensor reaches a specified pressure value, the laser sensor 309 measures the distance between the end surface of the motor rotor to be tested and the laser sensor 309, and the axial downward clearance is calculated by the difference between the distance and the initial distance;
Step four, the axial upward force application mechanism 1 is moved away, the motor rotor to be detected returns to the initial position, the laser sensor 309 of the detection mechanism 3 measures the distance between the end face of the motor rotor and the laser sensor 309, the axial downward force application mechanism 2 stretches the downward force application pressure head 215 into the U-shaped groove of the motor rotor extending shaft by about 3mm, the downward force application pressure head 215 moves upwards, when the weighing sensor 213 reaches a specified pressure value, the downward force application pressure head 215 stops moving, the laser sensor 309 of the detection mechanism 3 measures the distance between the end face of the motor rotor to be detected at the moment and the initial distance, and the axial upward clearance is calculated by difference;
Step five, the detection mechanism 3 moves the laser sensor 309 away, moves the measuring probe 306 of the micro-motion measuring block gauge 307 to contact with the arc surface of the extending shaft of the motor rotor, after the contact sensor 308 has just numerical value display, the micro-motion measuring block gauge 307 stops moving, the lower axial force application mechanism 2 extends the lower force application pressure head 215 into the U-shaped groove of the extending shaft of the motor rotor by about 3mm, the lower force application pressure head 215 moves leftwards, when the cantilever sensor 211 reaches a specified pressure value, the contact sensor 308 reads out a displacement difference value, calculates a leftwards radial gap with the initial displacement difference, then the lower force application pressure head 215 moves rightwards, and when the cantilever sensor 211 reaches the specified pressure value, the contact sensor 308 reads out the displacement difference value, and calculates the rightwards radial gap with the initial displacement difference;
Step six, after axial and radial force application is completed, the force application mechanism is moved away, the motor rotor returns to the initial position, the measuring probe 306 of the micro-motion measuring block gauge 307 is moved to be in contact with the arc surface of the extending shaft of the motor rotor, after the contact sensor 308 just has numerical value display, the motor to be measured is electrified and rotates at a low speed, the radial runout of the motor rotor is measured, the contact sensor 308 continuously collects displacement values, and the maximum value and the minimum value are the radial runout of the rotor;
And step seven, finishing detection, closing a power supply and arranging an instrument.
The motor rotor assembly quality comprehensive detection equipment provided by the invention is described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. An electric motor rotor assembly quality comprehensive testing equipment, characterized by comprising:
an axial force applying mechanism (1) for applying a downward force to the motor rotor;
an axial downward force applying mechanism (2) for applying an upward force to the axial direction of the motor rotor and applying a leftward and rightward force to the radial direction of the motor rotor;
The detection mechanism (3) is used for measuring the radial clearance of the rotor between the motor rotor and the shell, the axial clearance of the rotor and the radial circle runout of the rotor during rotation;
The motor compressing mechanism (4) is used for driving the motor to be tested to move up and down and compress the motor to be tested;
The motor feeding and discharging mobile platform (5) is used for placing a motor to be tested and conveying and fixing the motor to be tested at a detection station of the working platform (6);
The working platform (6) is used for installing the axial upward force application mechanism (1), the axial downward force application mechanism (2), the motor pressing mechanism (4), the motor feeding and discharging moving platform (5) and the detection mechanism (3);
the control unit is used for being in communication connection with the axial upward force application mechanism (1), the axial downward force application mechanism (2), the motor pressing mechanism (4), the motor feeding and discharging moving platform (5) and the detection mechanism (3) so as to control the mechanisms to execute actions according to preset programs;
The detection mechanism (3) comprises a sensor moving seat (301), a detection mechanism up-down motion motor (302) and an up-down motion ball screw (303) which are arranged on the back surface of the sensor moving seat (301) and are connected through a belt transmission, an up-down motion sliding rail (304) arranged on the front surface of a vertical plate of the sensor moving seat (301), an up-down motion plate (305) fixed on a sliding block of the up-down motion sliding rail (304), and a micro-motion measurement mechanism arranged on the up-down motion plate (305) through a fixed seat;
The micro-motion measuring mechanism comprises a micro-motion measuring block gauge (307) and a laser sensor (309) which are arranged on the fixed seat, a measuring probe (306) which is arranged at the top of the micro-motion measuring block gauge (307), and a contact sensor (308) which transversely passes through a central hole of the micro-motion measuring block gauge (307); the detection mechanism comprises a detection mechanism substrate (310) arranged on a working platform (6), a detection mechanism horizontal movement motor (311) and a detection mechanism horizontal movement ball screw (312) which are arranged on the detection mechanism substrate (310) and are coaxially connected, and a screw rod nut seat (313) fixedly arranged on the detection mechanism horizontal movement ball screw (312), wherein the sensor moving seat (301) is fixedly connected with the screw rod nut seat (313) and is arranged on the up-down movement sliding rail (304) through a sliding block.
2. The motor rotor assembly quality comprehensive detection device according to claim 1, wherein the axial force applying mechanism (1) comprises an axial force applying mechanism sensor fixing seat (101), an axial force applying mechanism weighing sensor (102) mounted on the axial force applying mechanism sensor fixing seat (101), and an upper force applying pressure head (103) mounted on the axial force applying mechanism weighing sensor (102); the automatic lifting device is characterized by further comprising a servo motor (104) and an axial force application ball screw (105) which are respectively arranged on the back surface and the front surface of the mounting vertical plate (7), wherein the servo motor (104) is in transmission connection with the axial force application ball screw (105) through a transmission belt (106), an axial longitudinal sliding rail (107) is arranged on the front surface of the mounting vertical plate (7) in parallel with the axial force application ball screw (105), an axial force application mechanism sensor fixing seat (101) is fixed on the axial longitudinal sliding rail (107), and the axial force application mechanism sensor fixing seat (101) is connected with the axial force application ball screw (105) through a screw nut fixed connection piece and is controlled to move up and down through the rotation direction of the servo motor (104).
3. The motor rotor assembly quality comprehensive detection device according to claim 1, wherein the axial downward force application mechanism (2) comprises a lower force application mechanism substrate (201), an axial downward force application horizontal movement motor (202) mounted on the side wall of the lower force application mechanism substrate (201), and a horizontal movement ball screw (203) mounted on the back surface of the lower force application mechanism substrate (201) and coaxially connected with the axial downward force application horizontal movement motor (202);
The device also comprises a horizontal movement sliding rail (204) arranged on the front surface of the lower force application mechanism base plate (201), a sliding block arranged on the horizontal movement sliding rail (204) and a lower force application mechanism moving plate (205) connected with the sliding block; the lower force application mechanism moving plate (205) is connected with the horizontal movement ball screw (203) through a screw-nut seat connecting piece (206); the upper and lower motion motor (207) is installed at the top of the lower force application mechanism moving plate (205), the upper and lower motion slide rail (208) of the lower force application mechanism and the longitudinal motion ball screw (209) coaxially connected with the upper and lower motion motor (207) are installed on the front surface of the lower force application mechanism moving plate (205), the longitudinal motion ball screw (209) is connected with the lower force application mechanism sensor fixing seat (210), the lower force application mechanism sensor fixing seat (210) is fixedly connected with the cantilever beam sensor (211), and the other end of the cantilever beam sensor (211) is provided with a force application component.
4. A motor rotor assembly quality comprehensive detection apparatus according to claim 3, wherein the force application assembly comprises a load cell holder (212), a load cell (213) mounted on the load cell holder (212), a ram holder (214) mounted on the load cell (213), and a lower force application ram (215) mounted on the ram holder (214).
5. The motor rotor assembly quality comprehensive detection device according to any one of claims 1 to 4, wherein the motor loading and unloading moving platform (5) comprises a platform body, two sliding rails which are arranged on the platform body and are distributed in parallel, a motor tray which is used for being slidably arranged on the sliding rails to carry a motor to be detected, and a limiting mechanism which is arranged on the platform body and is used for limiting the motor tray to slide in a preset length of the sliding rails;
The motor tray driving device is fixedly arranged on the side face of the motor tray, and the positioning block is fixedly connected to the driving end of the positioning block driving device, is used for clamping and adapting to the positioning groove of the motor tray and is used for compressing and positioning the motor tray.
6. The motor rotor assembly quality comprehensive detection device according to claim 5, wherein the motor tray comprises a base plate slidably mounted on the slide rail and a motor positioning tray detachably mounted on the base plate, and through holes for matching the outer circle size of the motor are formed in the center positions of the base plate and the motor positioning tray.
7. The motor rotor assembly quality comprehensive detection device according to claim 6, wherein the limiting mechanism comprises an L-shaped limiting block fixedly arranged on the base plate and an L-shaped limiting seat arranged on the platform body and used for limiting the L-shaped limiting block.
8. The motor rotor assembly quality comprehensive inspection apparatus according to claim 5, wherein a handle is installed at a front side of the base plate.
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| CN202111450007.XA CN114152196B (en) | 2021-11-30 | 2021-11-30 | Motor rotor assembly quality comprehensive detection equipment |
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| CN115218851B (en) * | 2022-07-22 | 2024-04-12 | 广东椿岛电控科技有限公司 | Locking clearance detection device and method for cam shaft phase actuator |
| CN116659389B (en) * | 2023-05-17 | 2024-01-30 | 儒拉玛特自动化技术（合肥）有限公司 | Full-automatic go-no-go gauge detection device |
| CN117606420B (en) * | 2024-01-22 | 2024-04-26 | 湖南星创智能装备有限公司 | Axial clearance detection device and equipment of motor |
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