CN108195335B - Automatic detection and correction equipment for motor axial gap - Google Patents
Automatic detection and correction equipment for motor axial gap Download PDFInfo
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- CN108195335B CN108195335B CN201810231111.1A CN201810231111A CN108195335B CN 108195335 B CN108195335 B CN 108195335B CN 201810231111 A CN201810231111 A CN 201810231111A CN 108195335 B CN108195335 B CN 108195335B
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- 238000012937 correction Methods 0.000 title claims abstract description 112
- 238000001514 detection method Methods 0.000 title claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 149
- 238000003825 pressing Methods 0.000 claims description 92
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012546 transfer Methods 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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/16—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring distance of clearance between spaced objects
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
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- Manufacture Of Motors, Generators (AREA)
Abstract
The automatic motor axial gap detection and correction device comprises a controller, a movable workbench assembly, an automatic motor axial gap detection mechanism and an automatic motor axial gap correction mechanism; the movable workbench assembly comprises a workbench and a workbench driver, a plurality of stations are arranged on the workbench, motor positioning holes for accommodating motors are formed in each station, the workbench is driven by the workbench driver, and the workbench driver is controlled by a controller to act; the automatic motor axial gap detection mechanism and the automatic motor axial gap correction mechanism are respectively arranged on corresponding stations of the movable workbench assembly, the motor is positioned on one station of the movable workbench assembly, the automatic motor axial gap detection mechanism detects the motor axial gap value and records the motor axial gap value by the controller, the controller controls the workbench driver to move the motor to be detected to the other station of the workbench assembly, and the automatic motor axial gap correction mechanism eliminates the axial gap of the motor according to the motor axial gap value recorded by the controller.
Description
Technical Field
The invention relates to automatic detection and correction equipment for motor axial clearances.
Background
The axial clearance of the existing motor is controlled by an indirect method in production and manufacture, and the axial clearance length of the motor is determined by controlling the depth of a cover bearing, the depth of a shell bearing and the total length of a rotor, so that the following defects mainly exist:
1. Because of the existence of various accumulated errors, larger deviation is caused, the axial clearance of the motor is difficult to ensure, and the defects of no clearance or large clearance and the like are very easy to occur.
2. When the defects appear, the common practice is to adjust the depth of the bearing, the size of the rotor and the like, so that the motor with small clearance requirement is difficult to adjust in place at one time, and the production efficiency is low.
3. The existing defective products can be reworked, but the man-made influence factors are large, and the product quality is influenced; can also be used for scrapping treatment, and waste is caused. For this purpose, a better automatic motor axial gap detection and correction device needs to be designed.
Disclosure of Invention
The invention aims to solve the technical problems of providing the automatic detection and correction equipment for the motor axial gap, which can automatically detect and automatically correct the motor axial gap, and has the advantages of good product consistency, high production efficiency, high product qualification rate and reduced product cost.
The technical scheme adopted for solving the technical problems is as follows:
Automatic detection and correction equipment for motor axial clearance, which is characterized in that: the automatic motor axial gap correction device comprises a controller, a movable workbench assembly, a motor axial gap automatic detection mechanism and a motor axial gap automatic correction mechanism; the movable workbench assembly comprises a workbench and a workbench driver, a plurality of stations are arranged on the workbench, motor positioning holes for accommodating motors are formed in each station, the workbench is driven by the workbench driver, and the workbench driver is controlled by a controller to act; the automatic motor axial gap detection mechanism and the automatic motor axial gap correction mechanism are respectively arranged on corresponding stations of the movable worktable assembly, the motor is positioned on one station of the movable worktable assembly, the automatic motor axial gap detection mechanism detects the motor axial gap value and records the motor axial gap value by the controller, the controller controls the worktable driver to move the motor to be detected to the other station of the worktable assembly, and the automatic motor axial gap correction mechanism eliminates the axial gap of the motor according to the motor axial gap value recorded by the controller; the automatic motor axial gap correction mechanism comprises a motor axial gap automatic correction driving mechanism and a gap automatic correction head mechanism, wherein the gap automatic correction head mechanism comprises a wire, a conductive pressing die head and an insulating gasket, the wire is used for connecting the head of the pressing die head with a positive electrode, a pressing head inner hole is formed in the pressing die head, the diameter of the pressing head inner hole is larger than the outer diameter of a motor output shaft and smaller than the outer diameter of a motor stop copper ring, and the middle part of the pressing head is insulated by the insulating gasket and is divided into an upper part and a lower part.
The motor axial gap automatic detection mechanism comprises a gap automatic detection driving mechanism and a gap automatic detection head mechanism, the gap automatic detection driving mechanism comprises a detection upper top assembly and a detection lower pressing assembly, the detection lower pressing assembly moves the gap automatic detection head mechanism downwards, the gap automatic detection head mechanism comprises a gap detection meter and a lower pressing limiting die head, the gap detection meter and the lower pressing limiting die head are fixed on the detection lower pressing assembly, and after the lower pressing limiting die head contacts with the end face of a motor shell to limit the motor, the detection upper top assembly moves a motor shaft upwards to enter the gap detection meter to measure the axial gap.
The upper detection top assembly comprises an upper top driver and an upper top piece, wherein the upper top piece is connected to the upper top driver and moves up and down by the upper top driver, and the upper top piece rises to prop against the lower end face of the motor shaft and then moves the motor shaft.
The detecting and pressing assembly comprises a pressing driver and a pressing piece, wherein the pressing piece is connected to the pressing driver and moves up and down by the pressing driver, and the pressing piece presses the upper end face of the motor during measurement.
The upper top driver is an air cylinder, and a piston rod of the air cylinder is connected with the upper top piece.
The pushing driver is an air cylinder, and a piston rod of the air cylinder is connected with the pushing piece.
The automatic gap detection guide mechanism is further arranged and comprises a pushing driver support frame, and the guide mechanism between the pushing piece and the pushing driver support frame can better guide the pushing piece.
The motor axial gap automatic correction driving mechanism comprises a pressing driving mechanism and an upper top driving mechanism, the gap automatic correction head mechanism is fixed on the pressing driving mechanism, the pressing driving mechanism moves the gap automatic correction head mechanism downwards to press the upper end of the motor shell, and the upper top driving mechanism moves the motor shaft upwards to the gap automatic correction head mechanism to correct the gap.
The pressing driving mechanism comprises a correcting pressing driver and a correcting pressing piece, wherein the correcting pressing piece is connected to the correcting pressing driver and moves up and down by the pressing driver.
The upper top driving mechanism comprises a correction upper top driver and a correction upper top piece, wherein the correction upper top piece is connected to the correction upper top driver and moves up and down by the correction upper top driver, and the correction upper top piece moves a motor shaft upwards to the gap automatic correction head mechanism to correct the gap.
Preferably, the correction top driving mechanism comprises a correction driver and a direction conversion mechanism which are transversely arranged, the correction top piece is connected to the direction conversion mechanism, and the correction driver converts the transverse movement of the correction top piece into the vertical movement of the correction top piece through the direction conversion mechanism, so that the space in the longitudinal direction of the whole device is reduced, and the hidden danger of the driving mechanism directly acting on the correction top mechanism when the motor is pressed down by the correction pressing mechanism is avoided, so that the axial gap of the motor can be corrected more accurately.
More specifically, the direction conversion mechanism comprises a connecting rod and a correction upper top piece, wherein the connecting rod is connected with the upper top driver, an inclined plane is arranged on the connecting rod, the correction upper top piece is provided with another inclined plane, the inclined plane of the connecting rod pushes the correction upper top piece to enable the correction upper top piece to move upwards, and the transverse movement of the upper top driver is changed into the longitudinal movement of the correction upper top piece.
Preferably, the automatic clearance correction guide mechanism is further arranged, the automatic clearance correction guide mechanism comprises a correction guide mechanism support piece, and the correction guide mechanism is arranged between the correction pressing piece and the correction guide mechanism support piece, so that the correction pressing piece can be guided better.
The gap automatic correction head mechanism comprises a switch and a pressing die head; the switch is provided with a detector capable of sensing the metal rod, and a detector signal is transmitted to the controller; the lower die head is arranged below the groove-shaped switch, the lower die head comprises a lower die head shell, a metal rod, a spring and a sliding pressure head, the lower die head shell is provided with a sliding pressure head movable chamber, the sliding pressure head is provided with a through pressure head inner hole, the lower end of the metal rod is arranged in the pressure head inner hole and limited by the top surface of the pressure head inner hole, the residual depth of the pressure head inner hole is larger than the length of a motor outlet shaft, the upper end of the metal rod penetrates through the top of the lower die head shell movable chamber, the sliding pressure head and the metal rod are arranged in the sliding pressure head movable chamber, the upper end of the spring is limited by the top of the sliding pressure head movable chamber, the lower end of the spring is limited by the sliding pressure head, the spring extrudes the sliding pressure head to the bottommost end of the pressure head movable chamber in a natural state, and the sliding pressure head can extrude the spring to move in the pressure head movable chamber.
The invention adopts the motor axial gap automatic detection mechanism and the motor axial gap automatic correction mechanism respectively, combines the motor axial gap automatic detection mechanism and the motor axial gap automatic correction mechanism, utilizes the same workbench to finish the motor axial gap automatic detection and the motor axial gap automatic correction on different stations of the workbench, thus the whole motor axial gap measurement and correction process can realize automation, and the motor axial gap measurement and correction precision and consistency are high, thereby the motor production efficiency is high, the product percent of pass is high and the product cost is low.
Drawings
Fig. 1 is a front view of an apparatus for automatically detecting and correcting an axial gap of a motor according to an embodiment of the present invention.
Fig. 2 is a top view of an apparatus for automatically detecting and correcting an axial gap of a motor according to an embodiment of the present invention.
Fig. 3 is a side view of an apparatus for automatically detecting and correcting an axial gap of a motor according to an embodiment of the present invention.
Fig. 4 is a front view of a motor according to an embodiment of the present invention.
Fig. 5 is a front view of an automatic motor axial gap detection mechanism according to an embodiment of the present invention.
Fig. 6 is a side view of an automatic motor axial gap detection mechanism according to an embodiment of the present invention.
Fig. 7 is a front view of an automatic motor axial gap correction mechanism according to an embodiment of the present invention.
Fig. 8 is a partial view of an automatic motor axial gap correction mechanism according to an embodiment of the present invention.
Fig. 9 is a side view of an automatic motor axial gap correction mechanism according to an embodiment of the present invention.
Fig. 10 is a front view of a hold-down die in a motor axial gap correction mechanism according to an embodiment of the present invention.
Fig. 11 is a cross-sectional view of a hold-down die in a motor axial gap correction mechanism according to an embodiment of the present invention.
FIG. 12 is a top view of a movable table assembly according to an embodiment of the invention.
FIG. 13 is a cross-sectional view of a movable table assembly according to an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the drawings.
As shown in fig. 1,2 and 3, the motor axial gap automatic detecting and correcting apparatus includes a PLC control system 10, a motor axial gap automatic detecting mechanism 20, a motor axial gap automatic correcting mechanism 30, and a movable table assembly 40.
The PLC control system 10 controls the operation of the automatic motor axial gap detection and correction device, and determines the actual gap value and the gap value to be corrected of the motor 2010 to be processed.
As shown in fig. 4, the motor 2010, which is required to detect and correct the motor axial gap, includes a motor shaft upper end 2011, a motor shaft lower end 2017, a motor housing upper plane 2016, a motor cover lower plane 2018, and a copper check ring 306.
As shown in fig. 5 and 6, the motor axial gap automatic detection mechanism 20 includes a gap automatic detection driving mechanism, a gap automatic detection guiding mechanism, and a gap automatic detection head mechanism.
The automatic gap detection driving mechanism comprises a detection downward driving mechanism and a detection upward driving mechanism, the detection downward driving mechanism comprises a downward air cylinder 201, a connecting rod 202, a sliding plate 207 and a fixed support plate 204, the downward air cylinder 201 is fixed on the fixed support plate 204, the connecting rod 202 is installed on a piston rod of the downward air cylinder 201, the connecting rod 202 is fixed with the sliding plate 207, and the downward air cylinder 201 drives the connecting rod 202 and the sliding plate 207 to move up and down.
The detection upward driving mechanism comprises an upward cylinder 2012, a push rod 203 and a fixed bracket 2013, wherein the upward cylinder 2012 is fixed on the fixed bracket 2013, the push rod 203 is installed on a piston rod of the upward cylinder 2012, and when the gap is automatically detected, the upward cylinder 2012 drives the push rod 203 to prop against the tail end 2017 of an input shaft of the motor 2010.
The gap automatic detection head mechanism comprises a gap detection table 208, a downward-pressing limiting die head 209 and a fixed support 2014, the gap detection table 208 is fixed on the sliding plate 207 through the fixed support 2014, the downward-pressing limiting die head 209 is fixedly installed on the sliding plate 207, in the process that the sliding plate 207 drives the downward-pressing limiting die head 209 to move downwards, a motor output shaft 2011 passes through an inner through hole 2015 in the downward-pressing limiting die head 209 and enters an inner hole 2014 in the gap detection table 208, the motor output shaft 2011 is in contact with an elastic detection needle 2019 in the gap detection table 208, the downward-pressing limiting die head 209 is finally in contact with a motor shell end face 2016, and at the moment, a motor 2010 is fixed by the downward-pressing limiting die head 209 and the motor limiting hole 404 in a motor hole site 403.
The gap automatic detection head mechanism and the detection downward driving mechanism are further provided with a gap automatic detection guide mechanism, the gap automatic detection guide mechanism comprises a sliding block 206 and a sliding rail 205, the sliding block 206 is fixed with a sliding plate 207, the sliding block 206 is installed on the sliding rail 205, the sliding plate 207 is connected with an air cylinder 201 through a connecting rod 202, and the air cylinder 201 drives the sliding plate 207 to move on the sliding rail 205.
As shown in fig. 7, 8 and 9, the motor axial gap automatic correction mechanism 30 includes a motor axial gap automatic correction driving mechanism, a gap automatic correction guiding mechanism and a gap automatic correction head mechanism.
The automatic motor axial gap correction driving mechanism comprises a pressing driving mechanism and an upward pushing driving mechanism, the pressing driving mechanism comprises a servo motor 301, a coupler 302, a worm 303, a sliding plate 3018, a fixed support 3016 and a fixed support 3019, the worm 303 is connected with the servo motor 301 through the coupler 302 and is fixed on the fixed support 3019 through the fixed support 3016, the sliding plate 3018 is sleeved on the worm 303, and the sliding plate 3018 is enabled to move up and down by driving the worm 303 to rotate through the servo motor 301.
The upper top driving mechanism comprises an air cylinder 3011, a coupler 3010, a flat connecting rod 308, a pulley ejector rod 307, a fixed support 3013, a lower fixed support 3012, a guide rail box 309 and a pulley 3021, wherein the air cylinder 3011 is fixed on the lower fixed support 3012 and is fixed with the fixed support 3013, the flat connecting rod 308 is connected with the air cylinder 3011 through the coupler 3010, the air cylinder 3011 drives the flat connecting rod 308 to move, the pulley 3021 of the pulley ejector rod 307 moves on the inclined plane of the flat connecting rod 308 to form a height difference so that the pulley ejector rod 307 starts to move longitudinally, the original position of the pulley 3021 is the flat position of the flat connecting rod 308, and thus, the inclined plane of the flat connecting rod 308 is used for changing the transverse movement of the motor 2010 into the longitudinal movement, so that not only is the space in the longitudinal direction saved, but also the hidden danger that the air cylinder of the upper top driving mechanism is retracted due to the downward pressing of the motor is avoided, and therefore the axial gap of the motor 2010 can be corrected more accurately.
The center of the worm 303 in the push-down drive mechanism is on the same axis as the center of the pulley jack 307 in the jack mechanism.
The automatic clearance correction guide mechanism comprises a sliding guide rail 3020 and a sliding block 3017, wherein the sliding guide rail 3020 is fixed on a fixed support 3019, the sliding block 3017 is installed on a sliding plate 3018, the sliding block 3017 is arranged on the sliding guide rail 3020, and the sliding plate 3018 can move up and down on the guide rail 3020 through the sliding block 3017.
And a limiting mechanism of the slide plate 3018 is further arranged, the limiting mechanism comprises an inductor 3014 and an induction piece 3015, the two inductors 3014 are arranged on the fixed support 3019 at intervals in the vertical direction, the induction piece 3015 is fixed on the slide plate 3018, and the induction piece 3015 moves between the two inductors 3014 along with the movement of the slide plate 3018, so that the action of the stepping motor 301 is controlled, and the highest position and the lowest position of the slide plate 3018 are limited.
As shown in fig. 10 and 11, the gap automatic correction head mechanism includes a weak current lead 304, a pressing die 305, and an insulating spacer 3024, the pressing die 305 is made of metal, the pressing die head is connected with a weak current anode through the weak current lead 304, the insulating spacer 3024 is added in the middle of the pressing die 305 to insulate the weak current from being conducted to the sliding plate, the pressing die 305 is internally provided with a pressing head inner hole 3022, and the diameter of the inner hole is larger than the motor output shaft 2011 and smaller than the outer diameter of the stop copper ring 306.
As shown in fig. 12 and 13, the movable table assembly 40 includes a servo motor 402 and a turntable 401, the turntable 401 is mounted on a shaft of the servo motor 402, the turntable 401 is driven by the PLC control system 10 to control the servo motor 402 to operate, 6 motor slots 403 are circumferentially arranged on the turntable 401, motor limiting holes 404 smaller than the diameter of a motor 2010 are formed in the bottom of the motor slots 403, and a motor cover end surface 2018 is limited by the motor limiting holes 404, so that the motor 2010 is prevented from being pressed out of the turntable 401 by a pressing mechanism during automatic detection and correction.
The PLC control system 10 controls the turntable 401 to rotate, and the motor 2010 arranged in the motor limiting hole 404 of the turntable 401 is transferred from the previous procedure to the next procedure, namely, the motor 2010 is transferred from the motor feeding station to the motor axial gap automatic detection station, the motor shaft gap automatic detection of the motor 2010 is completed at the motor axial gap automatic detection station, and then the motor is transferred to the motor axial gap automatic correction station, and the motor is transferred to the motor blanking station after the motor axial gap automatic correction station is subjected to motor axial gap correction, so that the motor can be taken down from the motor blanking station.
The working process of the automatic motor axial gap detecting and correcting device comprises the following steps: in the PLC control system, the PLC control system controls the transmission mechanism to transfer the motor from the last station to the station of the gap automatic detection mechanism, the gap automatic detection head is pushed by the downward cylinder 201 to be in contact with the motor output shaft, along with the descending of the gap automatic detection head, the motor output shaft enters the inner hole of the gap detection table 208, the elastic detection needle is pushed, when the die head is pressed down to be in contact with the end face of the motor shell, the pressing driving mechanism stops moving, the motor is fixed, the gap detection table records next datase:Sub>A A according to the distance that the motor output shaft enters the inner hole of the gap detection table, at the moment, the jacking mechanism starts to work, the end face of the motor input shaft is jacked by the jacking mechanism, the motor output shaft can continue to jack upwards after the jacking rod is in contact with the motor input shaft due to the existence of the motor gap, the jacking mechanism also continues to jack the elastic detection needle, when the jacking mechanism cannot jack the motor input shaft, the gap detection table records next datase:Sub>A B again according to the distance that the motor output shaft enters the inner hole of the gap detection table, and finally the PLC control system calculates the actual axial gap value B-A of the detected motor according to the datase:Sub>A recorded twice, and then calculates the actual axial gap value B-A of the detected motor, and the actual axial gap value and the actual gap value is corrected by the system, and the gap value is calculated and the gap value is the gap value of the theoretical gap value. So far, an automatic gap detection process is completed, all mechanisms are restored to the initial positions, the transmission mechanism rotates the motor with the detected gap to the automatic gap correction mechanism, and the motor to be detected is transferred to another motor to be detected, so that the next automatic detection cycle is prepared.
The automatic gap correction mechanism starts to work after the motor is detected to be in place, a cylinder in the jacking mechanism works to drive the flat connecting rod to move right at a uniform speed in the guide rail box, and as the flat connecting rod moves right, the pulley slides upwards along an inclined plane from the flat position of the flat connecting rod, so that the pulley ejector rod is driven to move longitudinally at a uniform speed, and the pulley ejector rod stops when moving upwards to the tail end of the input shaft; the pressing die head 305 slowly moves downwards under the drive of the servo motor 301 to start the first stage of pressing, the motor output shaft 2011 enters the inner hole 3029 of the pressing head, and the pressing die head continues to press downwards. When the end face of the sliding pressure head 3028 contacts with the stop copper ring 306, the internal mechanism of the lower pressure die starts to operate along with the movement of the lower pressure die, and due to the limit of the stop copper ring 306, the motor output shaft 2011 can not enter the inner hole 3029 of the pressure head any more, the sliding pressure head 3028 contacts with the stop copper ring, the sliding ejector rod made of metal contacts with a motor shaft, and the motor shaft is communicated with a weak current negative electrode with the stop copper ring; the pressing die head slowly moves downwards under the drive of the servo motor to start the pressing in the first stage, the motor output shaft slowly enters the inner hole of the pressing head with larger inner diameter, when the end face of the pressing die head, which is electrified with the weak current anode, is contacted with the stop copper ring, which is electrified with the weak current cathode, of the pressing die head, ase:Sub>A loop is formed between the jacking mechanism and the pressing mechanism through ase:Sub>A motor shaft, the PLC control system receives feedback of ase:Sub>A loop signal, the pressing in the first stage is immediately stopped, the PLC control system sets the position as ase:Sub>A zero position, and controls the servo motor to continuously work to start the pressing in the second stage, the pressing distance is ase:Sub>A clearance value B-A which needs to be corrected, and after the pressing distance is in place, the servo motor stops moving and starts resetting movement. The motor axial gap correction process is completed, the mechanisms restore the initial positions, the transmission mechanism rotates the corrected motor to the next station, the motor to be corrected is rotated from the automatic gap detection mechanism, and a new automatic correction cycle is started.
Claims (7)
1. An automatic detection and correction device for motor axial clearance, which is characterized in that: the automatic motor axial gap correction device comprises a controller, a movable workbench assembly, a motor axial gap automatic detection mechanism and a motor axial gap automatic correction mechanism; the movable workbench assembly comprises a workbench and a workbench driver, a plurality of stations are arranged on the workbench, motor positioning holes for accommodating motors are formed in each station, the workbench is driven by the workbench driver, and the workbench driver is controlled by a controller to act; the automatic motor axial gap detection mechanism and the automatic motor axial gap correction mechanism are respectively arranged on corresponding stations of the movable worktable assembly, the motor is positioned on one station of the movable worktable assembly, the automatic motor axial gap detection mechanism detects the motor axial gap value and records the motor axial gap value by the controller, the controller controls the worktable driver to move the motor to be detected to the other station of the worktable assembly, and the automatic motor axial gap correction mechanism eliminates the axial gap of the motor according to the motor axial gap value recorded by the controller; the automatic motor axial gap correction mechanism comprises a motor axial gap automatic correction driving mechanism and a gap automatic correction head mechanism, wherein the gap automatic correction head mechanism comprises a wire, a conductive pressing die head and an insulating gasket, the head of the pressing die head is connected with a positive electrode through the wire, a pressing head inner hole is formed in the pressing head, the diameter of the pressing head inner hole is larger than the outer diameter of a motor output shaft and smaller than the outer diameter of a motor stop copper ring, and the middle part of the pressing head is insulated by the insulating gasket and is divided into an upper part and a lower part; the automatic motor axial gap detection mechanism comprises a gap automatic detection driving mechanism and a gap automatic detection head mechanism, wherein the gap automatic detection driving mechanism comprises a detection upper top assembly and a detection lower pressing assembly, the detection lower pressing assembly moves the gap automatic detection head mechanism downwards, the gap automatic detection head mechanism comprises a gap detection meter and a lower pressing limiting die head, the gap detection meter and the lower pressing limiting die head are fixed on the detection lower pressing assembly, and after the lower pressing limiting die head contacts with the end face of a motor shell to limit the motor, the detection upper top assembly moves a motor shaft upwards to enter the gap detection meter to measure the axial gap; the automatic motor axial gap correction driving mechanism comprises a pressing driving mechanism and an upper top driving mechanism, the automatic gap correction head mechanism is fixed on the pressing driving mechanism, the pressing driving mechanism moves the automatic gap correction head mechanism downwards to press the upper end of the motor shell, and the upper top driving mechanism moves the motor shaft upwards to the automatic gap correction head mechanism to correct the gap; the pressing driving mechanism comprises a correcting pressing driver and a correcting pressing piece, and the correcting pressing piece is connected to the correcting pressing driver and moves up and down by the pressing driver; the upper top driving mechanism comprises a correction upper top driver and a correction upper top piece, wherein the correction upper top piece is connected to the correction upper top driver and moves up and down by the correction upper top driver, and the correction upper top piece moves a motor shaft upwards to the gap automatic correction head mechanism to correct the gap.
2. The motor axial gap automatic detection and correction apparatus according to claim 1, wherein: the upper detection top assembly comprises an upper top driver and an upper top piece, wherein the upper top piece is connected to the upper top driver and moves up and down by the upper top driver, and the upper top piece rises to prop against the lower end face of the motor shaft and then moves the motor shaft.
3. The motor axial gap automatic detection and correction apparatus according to claim 1, wherein: the detecting and pressing assembly comprises a pressing driver and a pressing piece, wherein the pressing piece is connected to the pressing driver and moves up and down by the pressing driver, and the pressing piece presses the upper end face of the motor during measurement.
4. The motor axial gap automatic detection and correction apparatus according to claim 1, wherein: the upper top driver is an air cylinder, and a piston rod of the air cylinder is connected with the upper top piece; the pushing driver is an air cylinder, and a piston rod of the air cylinder is connected with the pushing piece.
5. The motor axial gap automatic detection and correction apparatus according to claim 2, wherein: the correcting upper top driving mechanism comprises a correcting driver and a direction conversion mechanism which are transversely arranged, the correcting upper top piece is connected to the direction conversion mechanism, and the correcting driver converts the transverse movement of the correcting upper top piece into the vertical movement of the correcting upper top piece through the direction conversion mechanism.
6. The motor axial gap automatic detection and correction apparatus according to claim 1, wherein: the direction conversion mechanism comprises a connecting rod and a correction upper top piece, wherein the connecting rod is connected with the upper top driver, an inclined plane is arranged on the connecting rod, the correction upper top piece is provided with another inclined plane, and the inclined plane of the connecting rod pushes the correction upper top piece to push the correction upper top piece to move upwards, so that the transverse movement of the upper top driver is changed into the longitudinal movement of the correction upper top piece.
7. The motor axial gap automatic detection and correction apparatus according to claim 1, wherein: the automatic gap correction guide mechanism is further arranged and comprises a correction guide mechanism support piece, and a correction guide mechanism is arranged between the correction pressing piece and the correction guide mechanism support piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231111.1A CN108195335B (en) | 2018-03-20 | 2018-03-20 | Automatic detection and correction equipment for motor axial gap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231111.1A CN108195335B (en) | 2018-03-20 | 2018-03-20 | Automatic detection and correction equipment for motor axial gap |
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| CN108195335A CN108195335A (en) | 2018-06-22 |
| CN108195335B true CN108195335B (en) | 2024-05-07 |
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| CN109434457B (en) * | 2018-12-28 | 2024-05-14 | 温州力邦企业有限公司 | Automatic adjusting mechanism for rotor gap of vacuum pump |
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| CN208059836U (en) * | 2018-03-20 | 2018-11-06 | 宁波恒帅微电机有限公司 | A kind of axial clearance of motor detection and corrective automatically |
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| KR200389313Y1 (en) * | 2005-04-28 | 2005-07-07 | 유테크존 컴퍼니 리미티드 | Movable and adjustable apparatus for automatically detecting image quality by movable position of LCD module |
| CN104457580A (en) * | 2013-09-25 | 2015-03-25 | 上海信耀电子有限公司 | Full-automatic detection device for characteristics of automobile dimming motor |
| CN203643343U (en) * | 2013-12-26 | 2014-06-11 | 无锡信捷电气股份有限公司 | Full-automatic six-station piston ring detector |
| CN105082233A (en) * | 2015-08-21 | 2015-11-25 | 宁波恒帅微电机有限公司 | Automatic tube cutting machine |
| CN105958748A (en) * | 2016-06-30 | 2016-09-21 | 江苏朗信电气有限公司 | Motor rotor axial clearance adjusting machine |
| CN206292611U (en) * | 2016-11-22 | 2017-06-30 | 吉林瑞铭机电设备有限公司 | Automatic backlash adjusts machine |
| CN206430675U (en) * | 2017-01-17 | 2017-08-22 | 宁夏菲斯克汽车轮毂轴承有限公司 | A kind of automatic detection device of bearing axial play |
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| CN208059836U (en) * | 2018-03-20 | 2018-11-06 | 宁波恒帅微电机有限公司 | A kind of axial clearance of motor detection and corrective automatically |
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| CN108195335A (en) | 2018-06-22 |
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