CN114152196A - Motor rotor assembly quality comprehensive detection equipment - Google Patents
Motor rotor assembly quality comprehensive detection equipment Download PDFInfo
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- CN114152196A CN114152196A CN202111450007.XA CN202111450007A CN114152196A CN 114152196 A CN114152196 A CN 114152196A CN 202111450007 A CN202111450007 A CN 202111450007A CN 114152196 A CN114152196 A CN 114152196A
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- 238000001514 detection method Methods 0.000 title claims abstract description 74
- 230000007246 mechanism Effects 0.000 claims abstract description 177
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 78
- 238000007599 discharging Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 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
- 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
Abstract
The invention provides a motor rotor assembly quality comprehensive detection device, which comprises: the axial upward force applying mechanism is used for applying downward force to the motor rotor; an axial downward force applying mechanism for applying an upward force to an axial direction of the motor rotor and applying leftward and rightward forces to a radial direction of the motor rotor; the detection mechanism is used for measuring the radial clearance of the rotor, the axial clearance of the rotor and the radial circular runout of the rotor during rotation of the rotor between the rotor and the shell of the motor; the motor pressing mechanism is used for driving the motor to be tested to move up and down and pressing the motor to be tested; the motor loading and unloading moving platform is used for placing a motor to be detected and conveying and fixing the motor to be detected on a detection station of the working platform; the working platform is used for installing each mechanism; and the control unit is in communication connection with each mechanism to control each mechanism to execute actions according to a preset program. This application can be full-automatic high accuracy detect rotor radial clearance between electric motor rotor and the casing, radial circle when rotor axial clearance and rotor are rotatory beats.
Description
Technical Field
The invention relates to the technical field of motor performance detection, in particular to a motor rotor assembly quality comprehensive detection device.
Background
As is known, an electric machine is a typical rotating element, the quality of the assembly of its rotor directly affects the operating smoothness and the life of the machine and the coaxiality of the axial connection of the machine to the equipment being towed.
The indexes for evaluating the quality of the motor rotor assembly mainly comprise the radial clearance of the rotor, the axial clearance of the rotor and the radial circular runout of the rotor during rotation. The axial clearance refers to the maximum axial movement distance generated by the motor rotor in the motor shell under the action of the allowed maximum axial external force; the radial clearance refers to the maximum radial offset distance generated by the rotor axis and the motor shell axis under the action of the maximum allowable radial external force of the motor rotor; the radial circular runout refers to the maximum radial circular runout and the minimum radial circular runout generated by taking the axis of the motor shell as a reference shaft when the motor rotor rotates.
At present, the radial clearance of the rotor, the axial clearance of the rotor and the radial circular runout during the rotation of the rotor are mostly manually detected, the measuring method applies external force for manual work, the parameters are manually measured through a measuring tool, the measuring efficiency is low, and the precision is poor.
Disclosure of Invention
The invention provides a comprehensive detection device for the assembling quality of a motor rotor, which solves the technical problems and realizes full-automatic comprehensive detection of various performances of the assembling quality of the motor rotor.
The invention provides a motor rotor assembly quality comprehensive detection device, which comprises:
the axial upward force applying mechanism is used for applying downward force to the motor rotor;
an axial downward force applying mechanism for applying an upward force to an axial direction of the motor rotor and applying leftward and rightward forces to a radial direction of the motor rotor;
the detection mechanism is used for measuring the radial clearance of the rotor, the axial clearance of the rotor and the radial circular runout of the rotor during rotation of the rotor between the rotor and the shell of the motor;
the motor pressing mechanism is used for driving the motor to be tested to move up and down and pressing the motor to be tested;
the motor loading and unloading moving platform is used for placing a motor to be detected and conveying and fixing the motor to be detected on a detection station of the working platform;
the working platform is used for installing the axial upper force applying mechanism, the axial lower force applying mechanism, the motor pressing mechanism, the motor feeding and discharging moving platform and the detection mechanism;
and the control unit is used for being in communication connection with the axial upper force applying mechanism, the axial lower force applying mechanism, the motor pressing mechanism, the motor feeding and discharging moving platform and the detection mechanism so as to control each mechanism 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 upper force application pressure head arranged on the weighing sensor; still including installing respectively in the installing support back and positive servo motor and ball, servo motor with ball passes through the drive belt transmission and connects, and the front and the ball parallel arrangement of installing support have a slide rail, the sensor fixing base is fixed on the slide rail slider, the sensor fixing base pass through screw nut fixed connection spare with ball connects, through servo motor direction of rotation control the sensor fixing base reciprocates.
Preferably, the axial downward force application mechanism comprises a lower force application mechanism substrate, a horizontal movement motor arranged on the side wall of the lower force application mechanism substrate, and a horizontal movement ball screw arranged on the back surface of the lower force application mechanism substrate and coaxially connected with the horizontal movement motor;
the device also comprises a horizontal movement sliding rail arranged on the front surface of the lower force application mechanism substrate, 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 nut seat connecting piece; the top of the lower force application mechanism moving plate is provided with a motor fixing seat, the motor fixing seat is provided with an up-and-down motion motor, the front of the lower force application mechanism moving plate is provided with an up-and-down motion slide rail and an up-and-down motion ball screw coaxially connected with the up-and-down motion motor, the up-and-down motion ball screw is connected with a sensor fixing seat, the sensor fixing seat is fixedly connected with a cantilever beam sensor, and the other end of the cantilever beam 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-and-down motion motor and an up-and-down motion ball screw which are arranged on the back of the sensor moving seat and are in transmission connection through a belt, an up-and-down motion slide rail arranged on the front of a vertical plate of the sensor moving seat, an up-and-down motion plate fixed on a slide block of the up-and-down motion slide rail, an up-and-down motion ball screw connected with the up-and-down motion plate through a screw nut seat, a sensor fixing seat arranged on the up-and-down motion plate, and a micro-motion measurement mechanism arranged on the up-and-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 which is arranged on the top of the micro-motion measuring block gauge, and a contact type sensor which transversely penetrates through a central hole of the micro-motion measuring block gauge; the sensor moving seat is fixedly connected with the lead screw nut seat and is arranged on a slide rail through a slide block.
Preferably, the motor loading and unloading moving platform comprises a platform body, two sliding rails which are arranged on the platform body and distributed in parallel, a motor tray which is arranged on the sliding rails in a sliding manner and used for carrying a motor to be tested, and a limiting mechanism which is arranged on the platform body and used for limiting the sliding of the motor tray in a preset length of the sliding rails;
the motor tray positioning device comprises a motor tray, a motor tray and a positioning block, and is characterized by further comprising a positioning block driving device fixedly arranged on the side surface of the motor tray, and a positioning block fixedly connected to the driving end of the positioning block driving device and used for clamping and matching with a positioning groove of the motor tray and pressing and positioning the motor tray.
Preferably, the motor tray comprises a base plate which is slidably mounted on the slide rail and a motor positioning tray which is detachably mounted on the base plate, and a through hole which is matched with the excircle size of the motor is formed in the center of the base plate and the center of 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.
The invention provides a comprehensive detection device for the assembly quality of a motor rotor, which is characterized in that a motor to be detected is placed on a feeding and discharging moving platform of the motor, a control unit controls a motor pressing mechanism to press the motor to be detected, an axial upward force applying mechanism applies downward pressure to the motor rotor, an axial downward force applying mechanism applies upward axial force and radial force perpendicular to the axial direction to the motor rotor, and a detection mechanism is matched to measure the radial clearance of the rotor between the motor rotor and a shell, the axial clearance of the rotor and the radial circular runout of the rotor during rotation. Compared with the traditional manual measuring method, the method and the device 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 circular runout value of the rotor during rotation, and accurately evaluate the assembling 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 used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the operation of the comprehensive testing equipment for the assembling quality of the motor rotor provided by the invention;
FIG. 2 is a schematic structural diagram of a comprehensive detection device for the assembly quality of a motor rotor provided by the invention;
FIG. 3 is a partial schematic view of FIG. 2;
FIGS. 4 and 5 are schematic structural views of the axial force applying mechanism of FIG. 2;
FIG. 6 is a schematic structural view of the axial downward force application mechanism of FIG. 2;
fig. 7 is a schematic structural diagram of the detection mechanism in fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The comprehensive detection of the assembling quality of the motor rotor is described below by taking a motor with a U-shaped slot on the end surface of the extension shaft of the motor rotor as an example, and the implementation method of the motor with the end surface of the motor rotor in other shapes is the same.
Referring to fig. 1 to 3, fig. 1 is a schematic diagram illustrating an operation of an apparatus for comprehensively detecting assembly quality of a rotor of an electric motor according to the present invention; FIG. 2 is a schematic structural diagram of a comprehensive detection device for the assembly quality of a motor rotor 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 the motor test of a motor with a U-shaped groove on the end surface of an extension shaft of the motor rotor.
The working platform 6 is a plate-shaped or block-shaped structure and is used for installing each part structure of the detection equipment. The motor hold-down mechanism 4 is installed on the working platform 6, a top plate of the motor hold-down mechanism 4 is fixed with the top of a vertical plate of the axial upward force applying mechanism 1 in a mechanical connection mode, the guide rod is fixed with a platform substrate of the motor feeding and discharging moving platform 5 in a mechanical connection mode, and the motor to be measured is pressed through the motor hold-down mechanism 4. The motor feeding and discharging moving platform 5 is used for placing a motor to be tested and lifting and moving 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 of the motor feeding and discharging moving platform is fixed with a vertical plate of the axial upper force application mechanism 1 in a mechanical connection mode.
The axial upper force applying mechanism 1 is arranged on a vertical installation plate 7 vertically distributed on the working platform 6, the center of an upper force applying pressure head 103 of the axial upper force applying mechanism 1 is over against the center of a motor positioning tool hole of the motor loading and unloading moving platform 5, and downward force is applied to a motor rotor through the axial upper force applying mechanism 1. The axial downward force application mechanism 2 is arranged on the working platform 6 and is used for applying upward force to the axial direction of the motor rotor and applying leftward and rightward force to the radial direction of the motor rotor.
The detection mechanism 3 is arranged on the working platform 6 and used for measuring the radial clearance of the rotor, the axial clearance of the rotor and the radial circular runout of the rotor during rotation according to the forces exerted by the axial upper force application mechanism 1 and the axial lower force application mechanism 2, so that the assembling performance of the motor rotor is comprehensively evaluated.
The invention directly applies force to the motor rotor in the radial direction and the axial direction through the force application mechanism, utilizes the end surface of the motor rotor as a smooth mirror surface, and measures the axial displacement variation of the end surface of the motor rotor through the detection mechanism 3; according to the condition 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 assembling quality of the motor rotor is evaluated. The control unit is in communication connection with the axial upper force applying mechanism 1, the axial lower force applying mechanism 2, the motor pressing mechanism 4, the motor loading and unloading moving platform 5 and the detection mechanism 3, the running time and the running sequence of each mechanism are controlled through a preset program of the control unit, and the working state parameters of each mechanism are received and monitored, so that the action control of the mechanical device is realized.
It should be noted that the motor pressing mechanism 4 can be implemented by using a hydraulic cylinder drive, an air cylinder drive, a screw nut drive, a linear motor drive, and the like on the market, and the text is not expanded. In addition, the specific structure and control principle of the control unit are commonly applied in the market, and the description is not expanded with specific reference to the prior art.
The application provides an electron rotor assembly quality comprehensive testing equipment can realize carrying out automatic high accuracy to the assembly precision of assembling the motor and detect. This application simple structure detects high-efficient convenient, and labour cost is practiced thrift in labour saving and time saving.
Referring to fig. 4 and 5, fig. 4 and 5 are schematic structural views of the axial force application mechanism in fig. 2.
In one embodiment, the axial force application mechanism 1 includes an axial force application mechanism sensor holder 101, an axial force application mechanism load cell 102, an upper force application ram 103, a servo motor 104, an axial force application ball screw 105, a drive belt 106, an axial longitudinal slide 107, and a slider.
The axial upward force application mechanism sensor fixing seat 101 is provided with a base and a base reinforcing seat, the axial upward force application mechanism 102 is installed on the axial upward force application mechanism sensor fixing seat 101, the axial upward 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 upward force application ball screw 105 is installed on the front surface of the mounting vertical plate 7, the servo motor 104 is installed on the back surface of the mounting vertical plate 7, and the servo motor 104 and the axial upward force application ball screw 105 are in transmission connection through a transmission belt 106 at the lower part, so that the rotary driving force is converted into linear motion. An axial upper longitudinal sliding rail 107 is installed on the front face of the installation vertical plate 7, the axial upper longitudinal sliding rail 107 is arranged in parallel with the axial upper force application ball screw 105, a sliding block is installed on the axial upper longitudinal sliding rail 107 in a sliding mode, and the axial upper 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 with an axial force application ball screw 105 through a screw nut fixing connecting piece. In this way, the servo motor 104 drives the shaft to linearly move the upward urging ball screw 105, and the upward urging mechanism sensor holder 101 is engaged with the slider to displace the upward urging ram 103, so that the rotation direction of the servo motor 104 is controlled to vertically move the upward urging mechanism sensor holder 101 and the upward urging ram 103 thereon in the axial direction.
Referring to fig. 6, fig. 6 is a schematic structural view of the axial downward force application mechanism in fig. 2.
The axial downward force application mechanism 2 includes an upward and downward movement motor 207, a downward force application mechanism moving plate 205, a longitudinally moving ball screw 209, a downward force application mechanism base plate 201, a ball screw nut seat connecting piece 206, a horizontally moving ball screw 203, a horizontally moving slide rail 204, an axial downward force application horizontally moving motor 202, a downward force application mechanism upward and downward movement slide rail 208, a pressure head fixing seat 214, and a cantilever beam sensor 211.
An axial downward force application horizontal movement motor 202 is arranged on the side wall of a lower force application mechanism base plate 201, a horizontal movement ball screw 203 is arranged on the back surface of the lower force application mechanism base plate 201, the axial downward force application horizontal movement motor 202 is connected with the horizontal movement ball screw 203 through a coupler, a horizontal movement slide rail 204 is arranged on the front surface of the lower force application mechanism base plate 201, a lower force application mechanism moving plate 205 is arranged on a slide block of the horizontal movement slide rail 204 and is connected with the horizontal movement ball screw 203 through a screw nut seat connecting piece 206; the up-and-down motion motor 207 is installed on the top of the lower force application mechanism moving plate 205 through a motor fixing seat, and the longitudinal motion ball screw 209 is installed on the front surface of the lower force application mechanism moving plate 205 and is connected with the up-and-down motion motor 207 through a coupling; the lower force application mechanism up-and-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 to the lower force application mechanism sensor holder 210 through one end of a connecting member, and the other end is provided with a force application component.
When the horizontal motion motor 202 applies downward force to rotate, the force application mechanism moving plate 205 moves left and right to realize radial force application, when the up-and-down motion motor 207 rotates, the force application mechanism moving plate 205 moves up and down to realize axial force application, and the force application assembly processes the cylindrical shaft end into a boss and mills the boss flat to be convenient for extending into a U-shaped groove of the shaft end of the motor rotor to apply force.
Specifically, the force application assembly comprises a load cell fixing seat 212, a load cell 213, a pressure head fixing seat 214 and a lower force application pressure head 215, wherein the load cell 213 is installed on the load cell fixing seat 212, and the lower force application pressure head 215 is installed on the upper portion of the load cell 213 through the pressure head fixing seat 214.
Referring to fig. 7, fig. 7 is a schematic structural view 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 screw nut base 313, a detection mechanism horizontal movement ball screw 312, a detection mechanism base plate 310, and a detection mechanism horizontal movement motor 311.
The up-and-down motion motor 302 and the up-and-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, are kept parallel and are driven by a belt; the detection mechanism up-and-down movement sliding rail 304 is arranged on the front side of the vertical plate of the sensor moving seat 301; the measuring probe 306 is arranged on the top of the micro-motion measuring block gauge 307, and the measuring rod of the contact sensor 308 penetrates through the central hole of the micro-motion measuring block gauge 307 to form a micro-motion measuring mechanism.
Specifically, the micro-motion measuring mechanism is fixed on the up-down moving plate 305 through a fixed seat, and the laser sensor 309 is fixed on the side surface of the up-down moving plate 305; the up-down moving plate 305 is fixed on a slide block of the up-down moving slide rail 304 of the detection mechanism and is connected with the up-down moving ball screw 303 through a screw nut seat 313, the up-down moving motor 302 of the detection mechanism rotates, and the up-down moving plate 305 moves up and down, so that the measuring probe 306 can conveniently extend into a gap at the shaft end of the motor to be measured to measure. The detection mechanism horizontal movement sliding rail 314 and the detection mechanism horizontal movement ball screw 312 are arranged on the detection mechanism base plate 310 in parallel, and the detection mechanism horizontal movement motor 311 is arranged on the side surface of the detection mechanism base plate 310 through a motor fixing seat and is connected with the detection mechanism horizontal movement ball screw 312 through a coupler; the sensor moving base 301 is installed on a slider of the detection mechanism horizontal movement ball screw 312, and is connected with the detection mechanism horizontal movement ball screw 312 through a 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.
The motor feeding and discharging moving platform 5 comprises a platform body, two sliding rails, a motor tray and a limiting mechanism, wherein the two sliding rails are arranged on the platform body in parallel, the two sliding rails are vertically arranged and fixedly arranged on the platform body through fasteners, the motor tray is of a block structure, the bottom of the motor tray is slidably arranged on the two sliding rails through the two sliding blocks, the motor tray is used for placing a motor to be detected, and the motor to be detected is transported to a detection hole position at the middle part of the platform body.
The positioning block driving device is fixedly mounted on the platform body, the positioning groove is formed in the side end of the motor tray and is a groove with a rectangular cross section, the positioning block is mounted 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 borne by the motor tray are compressed and positioned.
The motor tray includes base plate and motor location tray, base plate and slide rail sliding fit, and the base plate removes at exogenic action downwardly extending slide rail, and motor location tray passes through the screw connection to be fixed on the base plate, can follow the base plate and remove, and the aperture that the motor was placed at motor location tray center matches with motor excircle size.
Stop gear includes the spacing seat of L type stopper and L type, and L type stopper passes through the screw fastening and installs on the base plate, and the spacing seat of L type is installed on the platform body, and the portion of blocking of the spacing seat of L type transversely stretches out, blocks spacingly to the vertical spacing portion of L type stopper, prevents motor tray overtravel motion to guarantee motor safety.
For the convenience of pulling the platform body by a worker, the handle can be arranged at the front end of the platform body, the worker can move the position of the motor to be tested by pulling the handle, and the platform is more convenient and labor-saving.
The comprehensive detection equipment for the assembling quality of the electronic rotor provided by the invention has the following working procedures:
the method comprises the following steps that firstly, a control unit controls an axial upper force application mechanism 1, an axial lower force application mechanism 2, a detection mechanism 3 and a motor pressing mechanism 4 to move to initial positions, an operator manually pulls out a motor feeding and discharging moving platform 5, places a motor to be detected in a positioning tool to ensure that the mounting surface of the motor is attached to the tool, manually pushes the motor feeding and discharging moving platform 5 to the bottom, a limiting pin is inserted into a limiting sleeve, and the moving platform is locked;
step two, starting the test, wherein the control unit controls the cylinder of the motor pressing mechanism 4 to extend out, pushes the nylon pressing plate to press the motor to be tested, the detection mechanism 3 moves the laser sensor 309 to a position right 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 at the moment, the measuring probe 306 is not in contact with the motor rotor to be tested;
thirdly, a servo motor 104 of the axial upward force application mechanism 1 rotates, a driving shaft applies force upwards to move a ball screw 105 downwards, an upper force application pressure head 103 moves downwards to be in contact with the upper end face of the motor rotor to be measured, when a pressure sensor reaches a specified pressure value, a laser sensor 309 measures the distance between the end face of the motor rotor to be measured and the laser sensor 309, and an axial downward gap is calculated by making a difference with the initial distance;
moving the axially upward force applying mechanism 1 away, enabling the motor rotor to be detected to return to the initial position, enabling the laser sensor 309 of the detecting mechanism 3 to measure the distance between the end face of the motor rotor and the laser sensor 309, enabling the axially downward force applying mechanism 2 to enable the lower force applying pressure head 215 to extend into the U-shaped groove of the motor rotor to be extended by about 3mm and move upwards, enabling the lower force applying pressure head 215 to stop moving when the weighing sensor 213 reaches a specified pressure value, enabling the laser sensor 309 of the detecting mechanism 3 to measure the distance between the laser sensor 309 of the detecting mechanism and the end face of the motor rotor to be detected at the moment, and calculating the axial upward gap by making a difference with the initial distance;
step five, the detection mechanism 3 moves the laser sensor 309 away, the measuring probe 306 of the micro-movement measuring gauge block 307 is moved to be in contact with the arc surface of the extending shaft of the motor rotor, after a plurality of values are displayed by the contact sensor 308, the micro-movement measuring gauge block 307 stops moving, the lower force application pressure head 215 extends into the U-shaped groove of the extending shaft of the motor rotor by the axial lower force application mechanism 2 for about 3mm, the lower force application pressure head 215 moves leftwards, when the cantilever beam sensor 211 reaches a specified pressure value, the contact sensor 308 reads a displacement difference value, the left radial gap is calculated by making a difference with the initial displacement, then the lower force application pressure head 215 moves rightwards, when the cantilever beam sensor 211 reaches the specified pressure value, the contact sensor 308 reads the displacement difference value, and the right radial gap is calculated by making a difference with the initial displacement;
step six, after the axial and radial force application is finished, 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 moves to be in contact with the arc surface of the extending shaft of the motor rotor, the contact sensor 308 is just provided with a numerical value display, the motor to be measured is electrified to rotate at a low speed, the radial circular runout of the motor rotor is measured, the contact sensor 308 continuously acquires displacement values, and the maximum value and the minimum value are the radial circular runout of the rotor;
and step seven, after the detection is finished, turning off the power supply and arranging the instrument.
The motor rotor assembly quality comprehensive detection device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a motor rotor assembly quality comprehensive testing equipment which characterized in that includes:
the axial upward force applying mechanism (1) is used for applying downward force to the motor rotor;
an axial downward force application mechanism (2) for applying an upward force to the axial direction of the motor rotor and applying leftward and rightward forces 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 circular runout of the rotor during rotation;
the motor pressing mechanism (4) is used for driving the motor to be tested to move up and down and pressing the motor to be tested;
the motor loading and unloading moving platform (5) is used for placing a motor to be detected and conveying and fixing the motor to be detected on a detection station of the working platform (6);
the working platform (6) is used for mounting the axial upper force applying mechanism (1), the axial lower force applying mechanism (2), the motor pressing mechanism (4), the motor feeding and discharging moving platform (5) and the detection mechanism (3);
and the control unit is used for being in communication connection with the axial upper force applying mechanism (1), the axial lower force applying mechanism (2), the motor pressing mechanism (4), the motor feeding and discharging moving platform (5) and the detection mechanism (3) so as to control each mechanism to execute actions according to a preset program.
2. The motor rotor assembling quality comprehensive detection device according to claim 1, wherein the axial upward force applying mechanism (1) comprises an axial upward force applying mechanism sensor fixing seat (101), an axial upward force applying mechanism weighing sensor (102) installed on the axial upward force applying mechanism sensor fixing seat (101), and an upper force applying pressure head (103) installed on the axial upward force applying mechanism weighing sensor (102); the vertical type force application mechanism is characterized by further comprising a servo motor (104) and a force application ball screw (105) which are arranged on the back face and the front face of the mounting vertical plate (7) respectively, the servo motor (104) and the force application ball screw (105) are in transmission connection through a transmission belt (106), an axial longitudinal sliding rail (107) is arranged on the front face of the mounting vertical plate (7) and the axial force application ball screw (105) in parallel, the axial force application mechanism sensor fixing seat (101) is fixed on the axial longitudinal sliding rail (107), the axial force application mechanism sensor fixing seat (101) is connected with the axial force application ball screw (105) through a screw nut fixing connecting piece, and the axial force application mechanism sensor fixing seat (101) is controlled to move up and down through the rotation direction of the servo motor (104).
3. The motor rotor assembling quality comprehensive detection device according to claim 1, wherein the axial downward force application mechanism (2) comprises a lower force application mechanism base plate (201), an axial downward force application horizontal movement motor (202) installed on the side wall of the lower force application mechanism base plate (201), and a horizontal movement ball screw (203) installed on the back surface of the lower force application mechanism base plate (201) and coaxially connected with the axial downward force application horizontal movement motor (202);
the device also comprises a horizontal movement slide rail (204) arranged on the front surface of the lower force application mechanism substrate (201), a slide block arranged on the horizontal movement slide rail (204), and a lower force application mechanism moving plate (205) connected with the slide block; the lower force application mechanism moving plate (205) is connected with a horizontal movement ball screw (203) through a screw nut seat connecting piece (206); lower application of force mechanism movable plate (205) top installation motor fixing base, up-and-down motion motor (207) are installed to the motor fixing base, under the front of application of force mechanism movable plate (205) install application of force mechanism up-and-down motion slide rail (208) and with up-and-down motion motor (207) coaxial coupling's longitudinal movement ball (209), application of force mechanism sensor fixing base (210) under longitudinal movement ball (209) are connected, application of force mechanism sensor fixing base (210) fixed connection cantilever beam sensor (211) down, the other end installation application of force subassembly of cantilever beam sensor (211).
4. The motor rotor assembling quality comprehensive detection device according to claim 3, wherein the force application assembly comprises a load cell fixing seat (212), a load cell (213) installed on the load cell fixing seat (212), a pressure head fixing seat (214) installed on the load cell (213), and a lower force application pressure head (215) installed on the pressure head fixing seat (214).
5. The motor rotor assembling quality comprehensive detection equipment according to claim 4, wherein the detection mechanism (3) comprises a sensor moving seat (301), a detection mechanism up-and-down motion motor (302) and an up-and-down motion ball screw (303) which are arranged on the back surface of the sensor moving seat (301) and are in transmission connection through a belt, an up-and-down motion slide rail (304) arranged on the front surface of a vertical plate of the sensor moving seat (301), an up-and-down motion plate (305) fixed on a slide block of the up-and-down motion slide rail (304), and a micro-motion measurement mechanism arranged on the up-and-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 on 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 sensor moving device is characterized by further comprising a detection mechanism substrate (310) installed on the working platform (6), a detection mechanism horizontal movement motor (311) and a detection mechanism horizontal movement ball screw (312) which are installed on the detection mechanism substrate (310) and are coaxially connected, and a screw nut seat (313) fixedly installed on the detection mechanism horizontal movement ball screw (312), wherein the sensor moving seat (301) is fixedly connected with the screw nut seat (313) and is installed on the up-and-down movement sliding rail (304) through a sliding block.
6. The motor rotor assembly quality comprehensive detection equipment as claimed in any one of claims 1 to 5, wherein the motor loading and unloading moving platform (5) comprises a platform body, two slide rails which are arranged on the platform body and distributed in parallel, a motor tray which is used for being slidably arranged on the slide 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 sliding of the motor tray in a preset length of the slide rails;
the motor tray positioning device comprises a motor tray, a motor tray and a positioning block, and is characterized by further comprising a positioning block driving device fixedly arranged on the side surface of the motor tray, and a positioning block fixedly connected to the driving end of the positioning block driving device and used for clamping and matching with a positioning groove of the motor tray and pressing and positioning the motor tray.
7. The electronic rotor assembly quality comprehensive detection device of claim 6, 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 a through hole matched with the outer circle of the motor is formed in the center positions of the base plate and the motor positioning tray.
8. The electronic rotor assembly quality comprehensive detection device of claim 7, wherein 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.
9. The motor rotor assembly quality comprehensive detection device as claimed in claim 6, wherein a pull handle is mounted on the front side of the base plate.
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| CN202111450007.XA CN114152196A (en) | 2021-11-30 | 2021-11-30 | Motor rotor assembly quality comprehensive detection equipment |
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| CN202111450007.XA CN114152196A (en) | 2021-11-30 | 2021-11-30 | Motor rotor assembly quality comprehensive detection equipment |
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| CN114152196A true CN114152196A (en) | 2022-03-08 |
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