CN111993009A - Servo motor assembly detection equipment and method - Google Patents
Servo motor assembly detection equipment and method Download PDFInfo
- Publication number
- CN111993009A CN111993009A CN202010731636.9A CN202010731636A CN111993009A CN 111993009 A CN111993009 A CN 111993009A CN 202010731636 A CN202010731636 A CN 202010731636A CN 111993009 A CN111993009 A CN 111993009A
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- shaft key
- motor
- stator
- shaft
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
Abstract
The invention provides a servo motor assembly detection device and method, and relates to a motor assembly detection device. It has solved the problem of servo motor assembly among the prior art. The servo motor assembling equipment comprises a stator component control device and a rotor component control device, wherein the stator component control device comprises a stator component positioning device and a stator component conveying device, the rotor component control device comprises a rotor component positioning device, the stator component positioning device comprises a stator moving platform and a stator fixture arranged on the moving platform, the moving platform is arranged on a slide rail and is controlled by a moving device to move relative to the rotor component positioning device, and the rotor component positioning device comprises a rotor fixture. According to the invention, mechanical equipment is adopted for auxiliary assembly, so that the stator assembly and the rotor assembly are prevented from colliding with each other, the motor is prevented from being damaged, safety accidents in the assembly and sleeving process are avoided, and the assembly quality and efficiency of the motor are improved; a set of automatic mechanical equipment and a detection method are provided for assembling and detecting the motor.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to motor assembly detection equipment.
Background
The motor mainly includes stator module, rotor subassembly, during the assembly, need be in the same place stator module, rotor subassembly assembly, and current manual assembly is comparatively troublesome, and the fragile part on stator module, the rotor subassembly collides with easily, damages the motor, and the quality can not obtain the assurance.
Disclosure of Invention
The invention aims to provide servo motor assembly detection equipment and a method aiming at the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme: a servo motor assembly detection device comprises a stator component control device and a rotor component control device, wherein the stator component control device comprises a stator component positioning device and a stator component conveying device, the rotor component control device comprises a rotor component positioning device, the stator component positioning device comprises a stator moving platform and a stator clamp arranged on the moving platform, the moving table is arranged on the slide rail and is controlled by the moving device to move relative to the rotor assembly positioning device, the rotor assembly positioning device comprises a rotor clamp, the stator clamp and the rotor clamp enable the stator assembly and the rotor assembly to correspond in the horizontal direction, a guide rod which penetrates through a shaft hole of the stator assembly in a sliding mode is arranged in the horizontal direction, the guide rod moves along the shaft hole of the stator assembly to enable the end part of the guide rod to be capable of being in contact with the end part of a rotating shaft of the rotor assembly in a propping mode, and the other end of the rotating shaft of the rotor assembly; the motor detection equipment comprises a hand-feeling flexible detection station, a pressure-resistant detection station and a vibration and abnormal sound detection station.
In some embodiments, the stator assembly positioning device includes a stator seating surface for contacting the stator end surface and a rotating clamp disposed on the stator seating surface, the rotating clamp clamping an outer extension edge of the stator end surface to the stator seating surface.
In some embodiments, a rotor assembly jacking device is disposed below the rotor assembly positioning device.
In some embodiments, the rotor assembly positioning device is provided with a positioning bayonet of a rotor end cover outlet hole.
In some embodiments, the device further comprises a rotor assembly conveying device, wherein the rotor assembly conveying device comprises a rotor assembly tray, a through hole corresponding to the rotor assembly jacking device is arranged on the rotor assembly tray, and the rotor assembly jacking device can penetrate through the through hole to jack up the rotor assembly.
In some embodiments, the motor shaft key assembly device further comprises a motor shaft key assembly device, the motor shaft key assembly device comprises a shaft positioning module, a shaft positioning hole and a shaft key guide groove communicated with the shaft positioning hole are formed in the shaft positioning module, the shaft key guide groove corresponds to a motor shaft key installation groove placed in the shaft positioning hole, a shaft key lower pressing rod which moves up and down relative to the shaft key guide groove is arranged, a shaft key feeding device is arranged corresponding to a lateral opening of the shaft key guide groove, the shaft key feeding device comprises a shaft key feeding hole which is arranged in the vertical direction, shaft keys are sequentially arranged in the shaft key feeding hole from top to bottom, the bottom of the shaft key feeding hole is communicated with a horizontal shaft key pushing hole, one end of the shaft key pushing hole is communicated with the lateral opening of the shaft key guide groove, a shaft key pushing rod is arranged at the other end of the shaft key pushing hole, and the shaft key pushing rod can push the shaft key into the shaft key guide groove along the shaft key pushing hole.
In some embodiments, the motor rotation controller is further included, the shaft key lower pressure rod is slidably arranged in the sleeve, a spring is supported between the shaft key lower pressure rod and the sleeve, a displacement detection sensor for detecting the displacement of the shaft key lower pressure rod relative to the sleeve is arranged on the sleeve, the motor rotation controller controls the rotation of the motor according to the information of the displacement detection sensor, a shaft key positioning block is arranged at the end part of the shaft key lower pressure rod, the bottom of the shaft key positioning block is provided with a part with a width smaller than the width of the motor shaft key installation groove, the shaft key positioning block can be inserted into the motor shaft key installation groove, and when the part with the width smaller than the width of the motor shaft key installation groove is inserted into the motor shaft key installation groove, the motor rotation controller controls the motor to stop rotating; the bottom end of the shaft key positioning block is trapezoidal, the width of the upper bottom of the trapezoid is smaller than that of the motor shaft key mounting groove, and the width of the lower bottom of the trapezoid is larger than that of the motor shaft key mounting groove; the shaft positioning module is provided with a shaft key positioning block guide hole perpendicular to the shaft key guide groove and a rotation control device for controlling the rotation of the sleeve.
In some embodiments, the rotation control device comprises an electromagnet arranged on the sleeve and corresponding to the upper end part of the shaft key pressing rod and a tooth groove arranged on the inner wall of the sleeve, the tooth groove is a sawtooth-shaped tooth groove surrounding the inner wall of the sleeve, a cross rod perpendicular to the shaft key pressing rod is arranged on the shaft key pressing rod, the end part of the cross rod is matched in the tooth groove in a sliding manner, a tooth tip of the tooth groove is communicated with a guide groove, an upward upper tooth tip of the tooth groove is communicated with the guide groove, a downward lower tooth tip of the tooth groove is communicated with the guide groove, the circumferential difference between the upper guide groove and the lower guide groove is 90 degrees, the tooth tip of the tooth groove corresponds to the side wall of one side of the guide groove, the sleeve pressing device controls the movement of the sleeve according to the information of the displacement detection sensor, and the length of the lower guide groove is greater than the sum of the key groove and the depth of; the shaft key positioning block is provided with an upward arc-shaped upper notch, and the middle part of the arc-shaped upper notch is provided with a shaft key positioning groove with the same width as the motor shaft key mounting groove.
The assembly detection method comprises the following steps: through collimation alignment equipment such as infrared ray supplementary, guarantee the axis coincidence of pivot ejector pin and guide arm, the manual work places stator on the stator mobile station with stator module and leans on face department, makes the guide arm passes the shaft hole on the stator end cover for the stator terminal surface leans on the stator and leans on the face, thereby rotates the dop and presss from both sides the epitaxial limit of stator terminal surface on the stator leans on the face and fix it. Manually placing the rotor assembly and a rotor assembly tray for supporting the rotor together on a station below the leaning surface of the rotor, wherein a through hole on the rotor assembly tray corresponds to a jacking block, the jacking block jacks up the rotor assembly to enable two ends of a rotating shaft to correspond to a rotating shaft ejector rod and a guide rod respectively, the rotating shaft ejector rod and the guide rod are jacked to press two ends of the rotating shaft, the rotating shaft is fixed, then a stator moving platform moves the stator assembly to the rotor assembly along the guide rod to enable the rotor assembly to enter the stator assembly, a shell of the stator assembly is preliminarily and temporarily buckled with an end shell of the rotor assembly to form a motor, then the motor moving platform moves below the combined motor, the rotating shaft ejector rod and the guide rod are separated to enable the motor to fall on a motor moving platform, the motor is moved to a motor detection station from the motor moving platform, and sequentially passes through a flexible, The detection of vibration and abnormal sound detection stations is realized by detecting the flexibility of rotation of a motor shaft by workers on a flexible hand feeling detection station, loading voltage on a motor on a voltage-resistant detection station to detect the voltage-resistant performance of the motor, and detecting the vibration and abnormal sound detection conditions of the motor during rotation on the vibration and abnormal sound detection station.
Compared with the prior art, this servo motor assembly check out test set has following advantage:
the invention adopts mechanical equipment to assist assembly detection, and the wall surface stator component and the rotor component collide with each other to damage the motor, thereby facilitating the rapid assembly of the motor; a set of automatic mechanical equipment is provided for the assembly of the motor shaft key, automatic shaft key feeding and jacking are realized, and automatic corresponding adjustment of the shaft key mounting groove and the shaft key guide groove is realized.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having different letter suffixes may represent different examples of similar components. The drawings illustrate generally, by way of example, but not by way of limitation, various embodiments discussed herein.
FIG. 1 is a schematic diagram of a first embodiment;
FIG. 2 is a schematic view of the DD section of FIG. 1;
FIG. 3 is a schematic view of the EE section of FIG. 1;
FIG. 4 is a schematic view of the FF cross-section of FIG. 1;
FIG. 5 is an axial schematic view of FIG. 1;
FIG. 6 is a schematic axial view of the second embodiment;
FIG. 7 is a schematic view of the second embodiment;
FIG. 8 is a schematic left side view of FIG. 7;
FIG. 9 is a schematic AA cross-sectional view of FIG. 8;
FIG. 10 is an enlarged schematic view at C in FIG. 9;
FIG. 11 is a schematic top view of FIG. 7;
FIG. 12 is a schematic view of the BB section of FIG. 11;
FIG. 13 is a schematic view showing the third embodiment in which the shaft does not correspond to the motor shaft key installation groove;
FIG. 14 is a schematic view of the shaft of the third embodiment corresponding to the shaft key installation groove of the motor;
FIG. 15 is a schematic view of a shaft key positioning block depressing a shaft key of the third embodiment;
FIG. 16 is a schematic view of the fourth embodiment.
FIG. 17 is a schematic view of the cross bar of the fifth embodiment positioned in the lower channel;
FIG. 18 is a schematic view of the cross bar of the fifth embodiment positioned in the upper channel;
FIG. 19 is a schematic view of the deployment of the gullets.
In the figure, a shaft positioning module 1, a shaft positioning hole 101, a shaft key guide groove 102, a motor positioning column 103, a bolt bayonet 104, a shaft key positioning block guide hole 105, a motor 2, a motor stator front cover mounting hole 201, a rotating shaft 3, a motor shaft key mounting groove 301, a shaft key 4, a shaft key lower pressure rod 5, a lower pressure plate 6, a lower pressure convex ridge 601, a lower pressure cylinder 7, a feeding module 8, a shaft key feeding hole 801, a shaft key pushing hole 802, a shaft key pushing rod 9, a pushing pneumatic cylinder 10, a workbench 11, a module positioning groove 111, a bolt 12 and a nut 13;
the device comprises a motor rotation controller 14, a sleeve 15, a spring 16, a retainer ring 17, a displacement detection sensor 18, a shaft key positioning block 19, a trapezoidal end 191, an arc-shaped upper notch 192, a shaft key positioning groove 193, a rotating motor 26, an electromagnet 20, a tooth groove 21, a magnet 22, a cross bar 23, an upper guide groove 24 and a lower guide groove 25;
the device comprises a front end cover 204, a stator 202, a rear end cover 205, a rotor 203, a rotor end cover wire outlet hole 206, a stator moving platform 26, a guide rod 27, a rotating shaft ejector rod 28, a first air cylinder 29, a stator leaning surface 30, a rotating chuck 31, a rotor leaning surface 32, a second air cylinder 33, a jacking air cylinder 34, a jacking block 35, a rotor assembly tray 36, a through hole 361, a stator assembly feeding conveyor belt 37, a motor moving platform 38, a motor detection station 39, a positioning bayonet 321, a lead screw slider mechanism 40, a slide rail 41 and a lead screw motor 42.
Detailed Description
The following are specific examples of the present invention, and the technical solutions of the present invention are further described with reference to the drawings, but the present invention is not limited to these examples, and the following embodiments do not limit the invention according to the claims. Moreover, all combinations of features described in the embodiments are not necessarily essential to the solution of the invention.
It will be understood by those of ordinary skill in the art that all directional references (e.g., above, below, upward, downward, top, bottom, left, right, vertical, horizontal, etc.) are illustratively used in the figures to aid the reader's understanding and do not imply (e.g., position, orientation, or use, etc.) a limitation on the scope of the invention, which is defined by the claims appended hereto. Additionally, the term "substantially" may refer to slight imprecision or deviation in conditions, amounts, values, or dimensions, etc., some of which may be within manufacturing or tolerance limits.
Example one
As shown in fig. 1, 2, 3, 4, and 5, a servo motor assembly detection device is mainly used for assembling a stator assembly (a front end cover 204, a stator 202) and a rotor assembly (a rear end cover 205, a rotor 203), and includes a stator assembly control device, a rotor assembly control device, where the stator assembly control device includes a stator assembly positioning device and a stator assembly transmission device, and the rotor assembly control device includes a rotor assembly positioning device.
The stator assembly positioning device comprises a stator moving table 26 and a stator fixture arranged on the stator moving table, the stator moving table is arranged on a slide rail 41 and is controlled by a moving device to move relative to the rotor assembly positioning device, a lead screw slider mechanism 40 is adopted in the embodiment to drive the stator moving table to move, and a lead screw motor 42 controls a lead screw to rotate.
A guide rod 27 which slides and penetrates through the shaft hole of the stator assembly is arranged in the horizontal direction, the guide rod moves along the shaft hole of the stator assembly to enable the end part of the guide rod to be capable of pushing and contacting the end part of the rotating shaft 3 of the rotor assembly, and the other end of the rotating shaft of the rotor assembly is pushed and contacted by a rotating shaft ejector rod 28, so that the rotor assembly is fixed. The guide rod is controlled to extend and retract by a first air cylinder 29.
Stator module positioner leans on face 30 and sets up two rotation dops 31 on the face including being used for leaning on with the stator of stator end face contact's stator, and two rotation dops are located two diagonal departments of stator terminal surface respectively, and the stator leans on the face to fix on the stator mobile station, and the stator leans on to be provided with the gliding hole that passes of guide arm on the face, thereby rotate the dop relative rotation and can lean on the face with the extension limit clamp of stator terminal surface at the stator and fix it, rotate the dop and can be controlled by motor or revolving cylinder etc..
The rotor assembly positioning device comprises a rotor leaning surface 32 contacted with the end part of the rotor assembly shell, and a positioning bayonet 321 of the rotor end cover outlet hole 206 is arranged on the rotor leaning surface so as to ensure that the rotor end cover outlet hole is fixed in the direction. The rotor leaning surface is provided with a hole corresponding to the rotor rotating shaft, the rotating shaft ejector rod penetrates through the hole to be in abutting contact with the rotating shaft, and the rotating shaft ejector rod is controlled to stretch by the second air cylinder 33.
The rotor assembly jacking device is arranged below the leaning surface of the rotor, the jacking cylinder 34 is adopted in the embodiment, the jacking block 35 is arranged on the piston of the jacking cylinder, a V-shaped notch is formed in the jacking block, and the rotor assembly is located at the notch and jacked upwards.
Still include rotor subassembly conveyer, rotor subassembly conveyer includes rotor subassembly tray 36, be provided with on the rotor subassembly tray the through-hole 361 that the jacking piece passed through, the jacking piece can pass the through-hole and jack-up the rotor subassembly.
A stator assembly feeding conveyor belt 37 is also included for conveying the stator assembly to the stator assembly positioning device. The automatic blanking device comprises a motor moving platform 38 which can move to the position below the rotor assembly positioning device and is driven by another set of lead screw sliding block mechanisms.
And a motor detection station 39 is also arranged corresponding to the motor moving platform and comprises a flexible hand feeling detection station, a pressure-resistant detection station and a vibration and abnormal sound detection station.
During assembly, alignment equipment such as infrared rays is assisted, the axis coincidence of the rotating shaft ejector rod and the guide rod is guaranteed, the stator is manually placed on the stator moving table at the position of the stator leaning surface, the guide rod penetrates through a shaft hole in the stator end cover, the stator end surface is enabled to lean against the stator leaning surface, and the extending edge of the stator end surface is clamped on the stator leaning surface by the rotating clamping head so as to be fixed. Manually placing the rotor assembly and the rotor assembly tray supporting the rotor together on a station below the leaning surface of the rotor, wherein the through hole on the rotor assembly tray corresponds to the jacking block, the jacking block jacks up the rotor assembly to enable the two ends of the rotating shaft to respectively correspond to the rotating shaft ejector rod and the guide rod, the rotating shaft ejector rod and the guide rod are enabled to jack the two ends of the rotating shaft to fix the rotating shaft, then the stator moving platform moves the stator component to the rotor component along the guide rod, so that the rotor component enters the stator component, the shell of the stator component is preliminarily and temporarily buckled with the shell at the end part of the rotor component, and the motor is formed, then the motor moving platform moves to the lower part of the combined motor, the rotating shaft ejector rod and the guide rod are separated, so that the motor falls on the motor moving platform, the motor is moved to a motor detection station from the motor moving platform, and the front cover and the rear cover are assembled and locked on the detection station manually. On the motor detection station, the motor sequentially passes through the flexible hand feeling detection station, the pressure resistance detection station and the vibration and abnormal sound detection station, and on the flexible hand feeling detection station, a worker detects the rotation flexibility of the motor shaft, namely, the rotation flexibility is preliminarily sensed by rotating the motor shaft by hand; loading a certain voltage exceeding a rated voltage value to the motor on a voltage-resistant detection station, and detecting the voltage resistance of the motor; on vibration and abnormal sound detection station, the noninductive driver power supplies power to the motor, utilizes the vibration condition of vibration sensor detection motor, also can utilize special stethoscope to detect the abnormal sound condition of motor simultaneously, and whether comprehensive judgement motor is qualified.
Example two
As shown in fig. 6, 7, 8, 9, 10, 11, and 12, the shaft key assembly device further includes a motor shaft key assembly device for assembling a shaft key 4 of a rotating shaft 3 of a motor 2, and includes a shaft positioning module 1, the shaft positioning module is provided with a horizontal shaft positioning hole 101 and a vertical shaft key guide groove 102 communicated with the shaft positioning hole, the shaft key guide groove includes an upward opening and a lateral opening facing to the lateral direction, the shaft key guide groove corresponds to a motor shaft key mounting groove 301 placed in the shaft positioning hole up and down, a shaft key depression bar 5 moving up and down relative to the shaft key guide groove is provided, a depression bar end is connected to a depression bar 6, a depression rib 601 sliding up and down along the shaft key guide groove is provided below the depression bar, and the depression bar is controlled by a depression cylinder 7 to depress. The corresponding shaft key guide groove lateral opening is provided with a shaft key feeding device, the shaft key feeding device comprises a shaft key feeding hole 801 in the up-down direction on the feeding module 8, shaft keys are sequentially arranged in the shaft key feeding hole from top to bottom, the bottom of the shaft key feeding hole is communicated with a horizontal shaft key pushing hole 802, one end of the shaft key pushing hole is communicated with the lateral opening of the shaft key guide groove, the other end of the shaft key pushing hole is provided with a shaft key pushing rod 9, and the shaft key pushing rod can push the shaft key into the shaft key guide groove along the shaft key pushing hole. The shaft key push rod can be controlled to extend and retract by the push pneumatic cylinder 10.
The side surface of the shaft positioning module is provided with a motor positioning column 103 which can be inserted into the motor stator front cover mounting hole 201, so that the motor positioning and fixing effects are achieved.
The axle orientation module sets up on workstation 11, be provided with module constant head tank 111 on the workstation, module constant head tank length direction is perpendicular with the axle locating hole, the axle orientation module passes through bolt 12 to be fixed on the module constant head tank, and module constant head tank cross-section is "T" shape of falling, and axle orientation module both sides are provided with the bolt bayonet 104 that corresponds with the module constant head tank, and bolt cap body tip is located the module constant head tank, and the bolt screw rod passes bolt bayonet socket cooperation nut 13, and it can be fixed with the relative module constant head tank of axle orientation module to tighten the nut, loosens the nut, and the bolt pole can slide along the module constant head tank to take off the axle orientation module, change another module, can more renew like this or trade the module of different axle locating holes, thereby be applicable to the pivot of different thicknesses.
During press fitting, a motor is placed on the workbench, the motor positioning column is inserted into the motor stator front cover mounting hole, the motor shaft is inserted into the shaft positioning hole, the shaft key guide groove is vertically corresponding to the motor shaft key mounting groove, the shaft key pushing rod pushes the shaft key in the shaft key feeding hole to the position above the motor shaft key mounting groove in the shaft key guide groove, and the pressing cylinder controls pressing to press the shaft key into the motor shaft key mounting groove through the pressing convex edge below the pressing plate. The shaft key ejector rod retracts, the shaft key in the shaft key feeding hole falls down to the front of the shaft key ejector rod, and the shaft key ejector rod waits to be ejected by the shaft key ejector rod.
EXAMPLE III
As shown in fig. 13, 14 and 15, different from the above embodiment, the present invention further includes a motor rotation controller 14, i.e. a driver of a motor, such as a controller of a personal service motor or a controller of a stepping motor, the shaft key depression bar is slidably disposed in the sleeve 15, i.e. the depression cylinder indirectly controls the depression of the shaft key depression bar through the sleeve, a spring 16 is supported between the shaft key depression bar and the sleeve, in the present embodiment, a chamber is disposed in the sleeve, a retainer ring 17 is fixed on the shaft key depression bar in the chamber, the spring is supported between the retainer ring and an upper portion of the chamber, a displacement detecting sensor 18 for detecting a displacement of the shaft key depression bar relative to the sleeve is disposed on the sleeve, so as to detect a change of the displacement of the shaft key depression bar relative to the sleeve, in the present embodiment, a linear displacement sensor is employed, the displacement sensor indirectly detects a movement of the shaft key depression bar relative to the, certainly, other sensors capable of detecting the movement of the shaft key lower pressing rod relative to the sleeve can be adopted, the motor rotation controller controls the rotation of the motor according to the information of the displacement detection sensor, a shaft key positioning block 19 is arranged at the end part of the shaft key lower pressing rod, namely, the lower pressing plate is replaced by a shaft key positioning block which is equivalent to a lower pressing convex edge, a part with the width smaller than the width of a motor shaft key installation groove is arranged at the bottom of the shaft key positioning block, so that the shaft key positioning block can be partially inserted into the motor shaft key installation groove, the bottom end of the shaft key positioning block is a trapezoid end part 191 with the large top and the small bottom, the width of the upper trapezoid is smaller than that of the motor shaft key installation groove, and the width of the lower trapezoid is larger than that. The trapezoidal shape is convenient for more smoothly entering the motor shaft key installation groove. The bottom end face of the sleeve can realize the pressing of the shaft key positioning block.
In the press-fitting operation, when the motor shaft is inserted into the shaft positioning hole, the orientation of the key groove on the motor shaft is random and is not necessarily aligned with the shaft key guide groove, and usually, a worker is required to perform adjustment once, which is extremely troublesome, for this reason, in the embodiment, after the motor shaft is inserted into the shaft positioning hole, the sleeve is pressed downwards for a certain distance (the distance can be the length that the bottom of the shaft key positioning block can enter the key groove), if the shaft key guide groove is not aligned with the key groove, the shaft key positioning block is pressed against the motor shaft to overcome the spring force, so that the shaft key lower pressure rod moves upwards for a certain distance relative to the sleeve, the change of the distance can be detected by the sensor, at this time, the driver of the motor controls the motor shaft to slowly rotate, when the shaft key guide groove and the key groove are aligned, the bottom of the shaft key positioning block can partially enter the key, the distance change is detected by a sensor, which shows that the shaft key guide groove and the key groove are in a state of being just opposite, at the moment, a driver of the motor controls the motor shaft to stop rotating, then the sleeve is lifted, a shaft key push rod pushes the shaft key in the shaft key feeding hole to the position above the motor shaft key mounting groove in the shaft key guide groove and below the shaft key positioning block, and then the pressing cylinder controls to press the shaft key into the motor shaft key mounting groove through the shaft key positioning block.
If the motor shaft is inserted into the shaft positioning hole, the shaft key guide groove is just right opposite to the key groove, after the sleeve is pressed down for a certain distance, the bottom of the shaft key positioning block naturally enters the key groove, and the sensor detects that the distance change is not detected, so that the shaft key guide groove and the key groove are in a right opposite state, and the driver of the motor does not need to control the motor shaft to rotate at the moment, and can lift the sleeve to carry out shaft key installation immediately.
Example four
As shown in fig. 16, unlike the second embodiment, the shaft positioning module is provided with a shaft key positioning block guiding hole 105 perpendicular to the shaft key guiding groove, and a rotation control device for controlling the rotation of the sleeve, such as a rotary motor 26 for controlling the rotation of the pressing cylinder or the sleeve, is provided, so that when the shaft key needs to be pressed down, the shaft key positioning block is removed from the shaft key guiding groove, and then rotated 90 degrees, so that the shaft key positioning block presses the shaft key into the key groove downwards through the shaft key positioning block guiding hole. Further, the shaft key positioning block is provided with an upward arc-shaped upper notch 192, and the middle part of the arc-shaped upper notch is provided with a shaft key positioning groove 193 which has the same width as the motor shaft key mounting groove.
EXAMPLE five
As shown in fig. 17, 18 and 19, the difference from the third embodiment is that the rotation control device omits a rotating motor, and includes an electromagnet 20 disposed on the sleeve and corresponding to the upper end of the shaft key depression bar, and a tooth space 21 disposed on the inner wall of the sleeve, the attraction of the magnetic force of the electromagnet to the shaft key depression bar can control the up-and-down movement of the shaft key depression bar, and a magnet 22 can be fixed on the shaft key depression bar for better control, in this embodiment, a spring can be omitted, the tooth space is a sawtooth-shaped tooth space disposed around the inner wall of the sleeve, the shaft key depression bar is provided with a cross bar 23 perpendicular to the shaft key depression bar, the end of the cross bar is slidably fitted in the tooth space, the tooth tip of the tooth space is communicated with a guide groove, the upward upper tooth tip of the tooth space is communicated with an upward guide groove 24, the downward lower tooth tip of the tooth space is communicated with a downward lower guide groove 25, the upper guide groove and the lower guide groove have a circumferential difference of 90 degrees, the tooth tip of the tooth socket corresponds to the side wall of one side of the guide groove, the sleeve pressing device controls the movement of the sleeve according to the information of the displacement detection sensor, and the length of the lower guide groove is greater than the sum of the depth of the key groove and the depth of the shaft key guide groove.
As in the second embodiment, when the cross bar is in the up-and-down movement range in the lower guide groove, the bottom of the shaft key positioning block can move in the motor shaft surface and the range of entering the key groove, when the bottom of the shaft key positioning block is detected to enter the key groove, the electromagnet attracts the shaft key lower pressure bar upwards through electricity, so that the shaft key positioning block moves out of the shaft key guide groove, the cross bar moves out of the lower guide groove along with the continuous upward movement of the shaft key lower pressure bar, and moves to the upper guide groove through the chute between the upper guide groove and the lower guide groove, in the process, the shaft key lower pressure bar rotates 90 degrees around the rotating shaft of the shaft key positioning block, namely, the shaft key positioning block also rotates 90 degrees, so that the shaft key positioning block corresponds to the shaft key positioning block guide hole, the shaft key can be pressed into the key groove downwards through the shaft key positioning block guide hole, the shaft key is pressed into the key groove, the cross rod moves downwards to the lower guide groove from the upper guide groove through the chute between the upper guide groove and the lower guide groove, the shaft key positioning block rotates by 90 degrees, the shaft key positioning block corresponds to the shaft key pressing-in key groove, shaft key installation of the next motor is carried out, and the accurate and stable jacking on the shaft key is ensured by the arc-shaped upper notch and the shaft key positioning groove in the middle. That is, the present embodiment replaces the function of the rotating electric machine in the third embodiment by the cooperation of the electromagnet and the tooth groove, so that the control becomes simpler.
Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention. The order of execution of the operations, steps, and the like in the apparatuses and methods shown in the specification and drawings may be implemented in any order as long as the output of the preceding process is not used in the subsequent process, unless otherwise specified. The descriptions using "first", "next", etc. for convenience of description do not imply that they must be performed in this order.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A servo motor assembly detection device is characterized in that the motor assembly device comprises a stator assembly control device and a rotor assembly control device, the stator assembly control device comprises a stator assembly positioning device and a stator assembly conveying device, the rotor assembly control device comprises a rotor assembly positioning device, the stator assembly positioning device comprises a stator moving platform and a stator clamp arranged on the stator moving platform, the stator moving platform is arranged on a slide rail and is controlled by a moving device to move relative to the rotor assembly positioning device, the rotor assembly positioning device comprises a rotor clamp, the stator clamp and the rotor clamp enable the stator assembly and the rotor assembly to correspond in the horizontal direction, a sliding guide rod penetrating through a shaft hole of the stator assembly is arranged in the horizontal direction, the guide rod moves along the shaft hole of the stator assembly to enable the end part of the guide rod to be in contact with the, the other end of the rotating shaft of the rotor component is propped by a rotating shaft ejector rod; the motor detection equipment comprises a hand-feeling flexible detection station, a pressure-resistant detection station and a vibration and abnormal sound detection station.
2. The servo motor assembly detection device of claim 1, wherein the stator assembly positioning means comprises a stator abutment surface for contacting the stator end surface and a rotary clamp disposed on the stator abutment surface, the rotary clamp clamping an outer extension edge of the stator end surface to the stator abutment surface.
3. The servo motor assembly detection apparatus of claim 1, wherein a rotor assembly jacking device is disposed below the rotor assembly positioning device.
4. The servo motor assembly detection apparatus of claim 1, wherein the rotor assembly positioning device is provided with a positioning bayonet of a rotor end cover outlet hole.
5. The servo motor assembly detection device of claim 1, further comprising a rotor assembly conveying device, wherein the rotor assembly conveying device comprises a rotor assembly tray, through holes corresponding to the rotor assembly jacking devices are formed in the rotor assembly tray, and the rotor assembly jacking devices can jack the rotor assemblies up through the through holes.
6. The servo motor assembly detection apparatus of claim 1, further comprising a motor shaft key assembly means, the motor shaft key assembling device comprises a shaft positioning module, wherein a shaft positioning hole and a shaft key guide groove communicated with the shaft positioning hole are arranged on the shaft positioning module, the shaft key guide groove corresponds to a motor shaft key installation groove placed in the shaft positioning hole, a shaft key down-pressing rod moving up and down relative to the shaft key guide groove is arranged, the corresponding shaft key guide groove lateral opening is provided with a shaft key feeding device, the shaft key feeding device comprises a shaft key feeding hole which is formed in the vertical direction, the shaft key is arranged in the shaft key feeding hole in an up-down sequential mode, the bottom of the shaft key feeding hole is communicated with a horizontal shaft key pushing hole, one end of the shaft key pushing hole is communicated with the lateral opening of the shaft key guide groove, the other end of the shaft key pushing hole is provided with a shaft key pushing rod, and the shaft key pushing rod can push the shaft key into the shaft key guide groove along the shaft key pushing hole.
7. The assembly detection device of the servo motor as claimed in claim 6, further comprising a motor rotation controller, wherein the shaft key pressing rod is slidably disposed in the sleeve, a spring is supported between the shaft key pressing rod and the sleeve, a displacement detection sensor for detecting the displacement of the shaft key pressing rod relative to the sleeve is disposed on the sleeve, the motor rotation controller controls the rotation of the motor according to the information of the displacement detection sensor, a shaft key positioning block is disposed at the end of the shaft key pressing rod, a section of part with a width smaller than the width of the motor shaft key mounting groove is disposed at the bottom of the shaft key positioning block, the shaft key positioning block can be inserted into the motor shaft key mounting groove, and the motor rotation controller controls the motor to stop rotating when the part with the width smaller than the width of the motor shaft key mounting groove is inserted into the motor shaft key mounting groove; the bottom end of the shaft key positioning block is trapezoidal, the width of the upper bottom of the trapezoid is smaller than that of the motor shaft key mounting groove, and the width of the lower bottom of the trapezoid is larger than that of the motor shaft key mounting groove; the shaft positioning module is provided with a shaft key positioning block guide hole perpendicular to the shaft key guide groove and a rotation control device for controlling the rotation of the sleeve.
8. The servo motor assembly detection device of claim 7, wherein the rotation control means comprises an electromagnet provided on the sleeve corresponding to the upper end of the shaft key depression bar and a tooth groove provided on the inner wall of the sleeve, the tooth grooves are sawtooth-shaped tooth grooves surrounding the inner wall of the sleeve, a cross rod perpendicular to the shaft key lower pressure rod is arranged on the shaft key lower pressure rod, the end part of the cross rod is matched in the tooth socket in a sliding manner, the tooth tip of the tooth socket is communicated with a guide groove, the guide groove communicated with the upward upper tooth tip of the tooth socket is an upward upper guide groove, the guide groove communicated with the downward lower tooth tip of the tooth socket is a downward lower guide groove, the circumferential difference between the upper guide groove and the lower guide groove is 90 degrees, the tooth tip of the tooth socket corresponds to the side wall of one side of the guide groove, the sleeve pressing device controls the movement of the sleeve according to the information of the displacement detection sensor, and the length of the lower guide groove is greater than the sum of the depth of the key groove and the depth of the shaft key guide groove; the shaft key positioning block is provided with an upward arc-shaped upper notch, and the middle part of the arc-shaped upper notch is provided with a shaft key positioning groove with the same width as the motor shaft key mounting groove.
9. A servo motor assembly detection method is characterized in that alignment equipment such as infrared rays is used for assisting to ensure that the axes of a rotating shaft ejector rod and a guide rod are coincident, a stator component is manually placed at the position of a stator leaning surface on a stator moving platform, the guide rod penetrates through a shaft hole in a stator end cover, the end surface of the stator leans against the stator leaning surface, an extending edge of the end surface of the stator is clamped on the stator leaning surface by a rotating clamping head so as to be fixed, a rotor component and a rotor component tray supporting a rotor are manually placed on a station below the rotor leaning surface together, a through hole in the rotor component tray corresponds to a jacking block, the jacking block jacks up the rotor component, so that two ends of the rotating shaft respectively correspond to the rotating shaft ejector rod and the guide rod, the rotating shaft ejector rod and the guide rod jack the two ends of the rotating shaft, the rotating shaft is fixed, then the stator moving platform moves, make the rotor subassembly enter into stator module, stator module's casing and the preliminary interim lock of the tip casing of rotor subassembly, thereby make up into the motor, then motor moving platform moves the motor below of making up, pivot ejector pin and guide arm part are separately, make the motor fall on motor moving platform, move the motor from motor moving platform to on the motor detection station, the motor is in proper order through feeling nimble detection station, withstand voltage detects the station, the detection of vibration and abnormal sound detection station, on feeling nimble detection station, the workman detects the pivoted flexibility of motor shaft, give the withstand voltage performance of motor loading voltage detection motor on withstand voltage detection station, vibration and abnormal sound when detecting the station to the motor rotation detect the situation on vibration and abnormal sound.
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| CN111993009B (en) | 2022-03-29 |
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