CN116728084A - Automatic assembling equipment and method for motor rotor balance plate and stop ring - Google Patents
Automatic assembling equipment and method for motor rotor balance plate and stop ring Download PDFInfo
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- CN116728084A CN116728084A CN202311031817.0A CN202311031817A CN116728084A CN 116728084 A CN116728084 A CN 116728084A CN 202311031817 A CN202311031817 A CN 202311031817A CN 116728084 A CN116728084 A CN 116728084A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 136
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 230000000903 blocking effect Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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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
- B23P19/02—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 connecting objects by press fit or for detaching same
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses automatic assembling equipment and an assembling method for a motor rotor balance plate and a stop ring, wherein the automatic assembling equipment comprises a press-fitting mechanism, and the press-fitting mechanism comprises a positioning tool for bearing a positioning rotor assembly and a press-fitting head which is positioned above the positioning tool and moves up and down; the stop ring feeding mechanism sequentially outputs stop rings; the heating mechanism is arranged above the output end of the stop ring feeding mechanism; the jacking transfer mechanism is arranged at the output end of the stop ring feeding mechanism, receives the stop ring, jacks up into the heating mechanism for heating, and then moves into the press-fitting mechanism for press-fitting; balance plate feeding mechanism; and the carrying robot clamps the balance plate in the balance plate feeding mechanism and assembles the balance plate on a rotor assembly in the press-fitting mechanism. The invention has small space occupation, high press-fitting efficiency and low manufacturing cost.
Description
Technical Field
The invention belongs to the technical field of motor assembly, and particularly relates to automatic assembly equipment and an assembly method for a motor rotor balance plate and a stop ring.
Background
The rotor of the motor product is a component assembled by a plurality of parts, and the rotor bears the function of converting the motor into mechanical energy, is a rotating part of the motor product, and is a butt joint component with matched equipment. The motor rotor comprises an iron core, a rotor shaft, a balance plate and a rotor compression ring. After the rotor shaft and the iron core are assembled, a balance plate is assembled on the outer side of the shaft end of the iron core, then a rotor compression ring is assembled on the outer side of the shaft end of the balance plate, and the rotor compression ring is assembled on the rotor shaft in a compression mode by adopting the principle of thermal expansion and cold contraction.
In the prior art, patent publication number CN214900581U discloses a motor rotor press-mounting system, which comprises a rotor core feeding rack, a dynamic balance plate feeding rack, a rotor shaft feeding rack, two robots, a heating device, a rotor shaft cooling device and an assembling device, wherein when in assembly, an upper dynamic balance plate, an iron core and a lower dynamic balance plate are pressed together to form an assembling component, then the rotor shaft is pressed into the assembling component, and the dynamic balance plate and the iron core are conveyed to the inside of the heating device for heating through the robots before being pressed, and then are conveyed to the assembling device for assembly by another robot. On one hand, the press-fitting system only realizes press-fitting of the balance plate and the rotor assembly, and does not solve the press-fitting problem of the rotor compression ring; on the other hand, the system occupies large space, each part needs to be transferred among a feeding station, a heating station and an assembling station for multiple times, the middle ineffective transfer action is more, the assembling beat is slow, and the assembling efficiency needs to be improved; the robots are configured in two, and the manufacturing cost of the whole system is high.
It is necessary to provide a new automatic assembling device and an assembling method for the rotor balancing plate and the stop ring of the motor to solve the above technical problems.
Disclosure of Invention
The invention mainly aims to provide automatic assembling equipment for a motor rotor balance plate and a stop ring, which has the advantages of small space occupation, high press-fitting efficiency and low manufacturing cost.
The invention realizes the aim through the following technical scheme: an automatic assembling device for a motor rotor balance plate and a stop ring, comprising
The press-fitting mechanism comprises a positioning tool for bearing the positioning rotor assembly and a press-fitting head which is positioned above the positioning tool and moves up and down;
the stop ring feeding mechanism sequentially outputs stop rings;
the heating mechanism is arranged above the output end of the stop ring feeding mechanism;
the jacking transfer mechanism is arranged at the output end of the stop ring feeding mechanism, receives the stop ring, jacks up into the heating mechanism for heating, and then moves into the press-fitting mechanism for press-fitting;
balance plate feeding mechanism;
and the carrying robot clamps the balance plate in the balance plate feeding mechanism and assembles the balance plate on a rotor assembly in the press-fitting mechanism.
Further, the stop ring feeding mechanism comprises a feeding cartridge clip, a conveying runner arranged on the output side of the feeding cartridge clip, a pushing module for pushing stop rings in the feeding cartridge clip outwards to the conveying runner one by one, and a direct vibration module for driving the conveying runner to vibrate so that the stop rings are conveyed forwards; the end of the conveying flow channel is provided with a stop module for stopping the output end stop ring from continuing to advance.
Further, the feeding cartridge clip comprises a first bottom plate, a second bottom plate positioned above the first bottom plate and a plurality of bins arranged on the second bottom plate, wherein a material leakage groove corresponding to the bins is arranged on the second bottom plate, a slot for inserting the pushing module is formed between the first bottom plate and the second bottom plate, and the material leakage groove is communicated with the slot; the height of the slot is larger than or equal to the thickness of one stop ring and smaller than the thickness of two stop rings.
Further, the conveying plane of the conveying runner is flush with the surface of the first bottom plate and is positioned at the opening side of the slot; the pushing module comprises a first cylinder and a plurality of pushing plates which are driven by the first cylinder to move perpendicular to the conveying flow channel, the pushing plates are arranged corresponding to the storage bin, and the pushing plates are driven by the first cylinder to extend into the slot to push the stop ring into the conveying flow channel.
Further, the heating mechanism comprises a heating coil and a temperature sensor positioned above the heating coil; the heating coil surrounds a heating area, and the lifting transfer mechanism lifts the stop ring to the heating area for heating after receiving the stop ring.
Further, the jacking transfer mechanism comprises a third air cylinder, a first supporting plate driven by the third air cylinder to horizontally move, a fourth air cylinder fixed on the first supporting plate, a second supporting plate driven by the fourth air cylinder to vertically move, a receiving groove arranged on the second supporting plate and butted with the output end of the stop ring feeding mechanism, an inner support clamping module arranged below the receiving groove, and a fifth air cylinder arranged on the second supporting plate and driving the inner support clamping module to vertically move;
the internal stay clamping module comprises a clamping jaw cylinder and a plurality of internal stay clamping jaws which are driven by the clamping jaw cylinder to expand and contract radially outwards and inwards; all the inner supporting clamping jaws are jointly formed with a supporting surface for supporting the bottom of the stop ring; and all the inner supporting clamping jaws are jointly formed with an inner supporting positioning surface which stretches into the inner ring of the stop ring to position the stop ring.
Further, an outer ring surrounding and blocking part and an inner ring surrounding and blocking part are arranged on the end face of the bottom shaft of the press-fit head, and the outer ring surrounding and blocking part and the inner ring surrounding and blocking part jointly surround to form an annular clamping groove; the inner wall surface of the annular clamping groove is provided with an elastic top bead.
Further, a first avoidance gap for avoiding the inner support clamping jaw is formed in the inner ring surrounding blocking part; the inner ring surrounding blocking part is elastically arranged on the press fitting head in a floating manner up and down, and is propped by an elastic piece to be kept in a stretching state downwards.
Further, the balance plate feeding mechanism comprises a feeding jig, a sixth air cylinder for driving the feeding jig to move between a feeding station and a loading station, and a jacking module arranged at the feeding station for jacking the balance plate at the uppermost layer in the feeding jig to a set height position; a second sensor for monitoring whether the uppermost balance plate in the feeding jig reaches a set height position or not is arranged at the feeding station;
the feeding jig comprises a fourth supporting plate and a central guide post arranged on the fourth supporting plate; the fourth supporting plate is arranged on the pair of sliding rails in a sliding manner and driven by the sixth air cylinder to horizontally move;
a second avoidance gap is formed in the fourth supporting plate corresponding to the area where the balance plate is located; the jacking module comprises a lifting motor and a jacking supporting plate which is driven by the lifting motor to move up and down; the jacking supporting plate penetrates through the second avoiding notch to jack the balance plate upwards.
Further, the transfer robot comprises a multi-axis robot and a clamping module arranged at the movable tail end of the multi-axis robot; the clamping module comprises a seventh air cylinder, a pair of clamping arms which are driven by the seventh air cylinder to be mutually close or open, a first clamping assembly which is arranged on the clamping arms and used for clamping the balance plate, and a second clamping assembly which is arranged on the clamping arms and used for clamping the rotor shaft.
Further, the second clamping assembly comprises a pair of clamping plates, and V-shaped grooves are formed in the surfaces of the opposite sides of the clamping plates; the first clamping assembly is arranged on the lower surfaces of the pair of clamping plates; the first clamping assembly comprises a fixed seat fixed on the lower surface of the clamping plate and an elastic clamping block horizontally arranged on the fixed seat in an elastic floating mode, a limiting pressing surface for the upper surface of the balance plate is formed on the lower surface of the clamping plate, and a supporting hook portion for supporting the bottom of the balance plate is arranged on the fixed seat.
Further, a third sensor for monitoring whether the first clamping assembly clamps to the balance plate or not is arranged on the fixing seat; a fourth sensor is arranged on the clamping arm for monitoring whether the second clamping assembly clamps to the rotor shaft; and a third clamping assembly for clamping the iron core and a fifth sensor for monitoring whether the third clamping assembly clamps the iron core or not are further arranged on the clamping arm.
Another object of the present invention is to provide an assembling method based on the above assembling apparatus, comprising the steps of:
s1, the transfer robot clamps a rotor assembly to be assembled and places the rotor assembly on a positioning tool in the press-fitting mechanism;
s2, the balance plate feeding mechanism lifts up a stack of balance plate groups to enable the balance plate at the uppermost layer to reach a first set height position, and the transfer robot takes the balance plate at the uppermost layer out of the balance plate feeding mechanism at the first set height position and then places the balance plate on a rotor shaft of the rotor assembly;
s3, while the step S1-S2 is carried out, the stop ring feeding mechanism automatically conveys the stop ring, the jacking transfer mechanism receives one stop ring at the output end of the stop ring feeding mechanism, and then the stop ring is jacked up to a second set height, and the heating mechanism is used for heating the stop ring;
s4, after the stop ring reaches a set temperature and the balance plate is placed in place, the jacking transfer mechanism drives the stop ring to descend and horizontally move into the press mounting mechanism and extend into the position right below the press mounting head, an inner support clamping module in the jacking transfer mechanism is used for supporting the stop ring from the inside and supporting the bottom of the stop ring, the stop ring is jacked upwards into an annular clamping groove on the lower surface of the press mounting head, and then the jacking transfer mechanism withdraws and resets;
s5, the press fitting head carries the stop ring to move downwards, the stop ring is pressed onto the rotor shaft of the rotor assembly and is pressed into place, and the rotor assembly, the balance plate and the stop ring are assembled.
The automatic assembling equipment and the assembling method for the motor rotor balance plate and the stop ring have the beneficial effects that: the stop ring feeding mechanism is arranged at the side of the press mounting mechanism, the jacking transfer mechanism butted with the output end of the stop ring feeding mechanism is arranged at the output end of the stop ring feeding mechanism, the heating mechanism is arranged above the output end of the stop ring feeding mechanism, the stop ring is supported by the jacking transfer mechanism and is matched with jacking movement, the stop ring is jacked up to the heating mechanism to be heated, then horizontally transferred and enters the lower part of the press mounting head of the press mounting mechanism, the stop ring is clamped and taken out from the jacking transfer mechanism by using an annular clamping groove on the lower surface of the press mounting head, the stop ring can be pressed and mounted on the rotor assembly by pressing the press mounting head after the jacking transfer mechanism withdraws, in the process, the balance plate is clamped from the balance plate feeding mechanism by using the transfer robot to be assembled on the rotor assembly, the balance plate and the stop ring are efficiently and automatically assembled, the whole beat efficiency is high, the whole equipment space occupation is small, the clamping and the moving of a plurality of parts can be realized by using one transfer robot, and the equipment manufacturing cost is low.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a stop ring feeding mechanism, a heating mechanism and a lifting transfer mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a stop ring feed mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a lifting transfer mechanism according to an embodiment of the present invention;
fig. 6 is a schematic view of a part of the structure of the lifting transfer mechanism in the embodiment of the invention;
FIG. 7 is a schematic view of the structure of an inner support jaw according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a press-loading mechanism and a lifting transfer mechanism according to an embodiment of the present invention;
FIG. 9 is a schematic view of the bottom structure of a press-fit head according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a balance plate feeding mechanism and a clamping module according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a balance plate feeding mechanism according to an embodiment of the present invention;
FIG. 12 is a schematic view of a clamping module according to an embodiment of the invention;
FIG. 13 is a schematic view of a portion of a first clamping assembly according to an embodiment of the present invention;
the figures represent the numbers:
100-automatic assembling equipment for a motor rotor balance plate and a stop ring;
200-stop rings; 300-balancing plate; 400-rotor assembly;
the device comprises a 1-press mounting mechanism, a 11-positioning tool, a 12-press mounting head, a 121-annular clamping groove, a 122-elastic top bead, a 123-first avoidance notch, a 124-outer annular surrounding and blocking part, a 125-inner annular surrounding and blocking part, a 13-press mounting driving piece and a 14-blowing pipe;
the feeding mechanism comprises a 2-stop ring feeding mechanism, a 21-feeding cartridge clip, a 211-first bottom plate, a 212-second bottom plate, a 213-stock bin, a 214-material leakage groove, a 215-slot, a 216-limit stop lever, a 217-first sensor, a 22-conveying runner, a 23-pushing module, a 231-first cylinder, a 232-pushing plate, a 24-direct vibration module, a 25-stop module, a 251-second cylinder and a 252-stop lever;
3-heating mechanism, 31-heating coil, 32-temperature sensor;
4-jacking transfer mechanism, 41-third cylinder, 42-first support plate, 43-fourth cylinder, 44-second support plate, 45-receiving groove, 46-inner support clamping module, 461-clamping jaw cylinder, 462-inner support clamping jaw, 4621-supporting surface, 4622-inner support positioning surface, 47-fifth cylinder, 48-first support block, 49-second support block and 410-third support plate;
5-balance plate feeding mechanisms, 51-feeding jigs, 511-fourth supporting plates, 512-central guide posts, 513-second avoidance notches, 52-sixth cylinders, 53-lifting modules, 531-lifting motors, 532-lifting supporting plates, 54-second sensors and 55-sliding rails;
6-carrying robot, 61-clamping module, 611-seventh cylinder, 612-clamping arm, 613-first clamping component, 6131-fixing seat, 6132-elastic clamping block, 6133-limit pressing surface, 6134-hook part, 614-second clamping component, 6141-clamping plate, 615-third sensor, 616-fourth sensor, 617-third clamping component, 618-fifth sensor.
Detailed Description
Embodiment one:
referring to fig. 1-13, the present embodiment is an automatic assembling apparatus 100 for a motor rotor balance plate and a stop ring, which includes a press-fitting mechanism 1, a stop ring feeding mechanism 2 for realizing automatic feeding of the stop ring 200, a heating mechanism 3 located above the output end of the stop ring feeding mechanism 2, a jacking transfer mechanism 4 for lifting the stop ring 200 up to a set height at the output end of the stop ring feeding mechanism 2 for heating and then moving to the press-fitting mechanism 1, a balance plate feeding mechanism 5 for realizing automatic feeding of the balance plate 300, and a transfer robot 6 for clamping the balance plate 300 in the balance plate feeding mechanism 5 and assembling the balance plate to a rotor assembly 400 in the press-fitting mechanism 1.
In this embodiment, the balance plate feeding mechanism 5, the stop ring feeding mechanism 2, and the press-fitting mechanism 1 are sequentially arranged in the same direction. In other embodiments, the balance plate feeding mechanism 5 and the stop ring feeding mechanism 2 may also be disposed around the press-fitting mechanism 1, for example, disposed on the left and right sides of the press-fitting mechanism 1.
The stop ring feeding mechanism 2 comprises a feeding cartridge 21, a conveying runner 22 arranged on the output side of the feeding cartridge 21, a pushing module 23 for pushing stop rings 200 in the feeding cartridge 21 outwards onto the conveying runner 22 one by one, and a direct vibration module 24 for driving the conveying runner 22 to vibrate so that the stop rings 200 are conveyed forwards.
The feeding cartridge 21 comprises a first bottom plate 211, a second bottom plate 212 positioned above the first bottom plate 211 and a plurality of bins 213 arranged on the second bottom plate 212, wherein a material leakage groove 214 corresponding to the bins 213 is arranged on the second bottom plate 212, a slot 215 for inserting the material pushing module 23 is formed between the first bottom plate 211 and the second bottom plate 212, and the height of the slot 215 is larger than or equal to the thickness of one stop ring 200 and smaller than the thickness of two stop rings 200, so that the material pushing module 23 can only push one stop ring 200 out of the slot 215 at a time. The feed bin 213 is formed by surrounding a plurality of limit stop bars 216, and a plurality of stop rings 200 are stacked and placed in the feed bin 213, and the stop ring 200 at the bottommost layer can drop down to the first bottom plate 211 due to the arrangement of the leakage grooves 214, and after the stop ring 200 at the bottommost layer is pushed out, the next stop ring 200 can drop down to the first bottom plate 211, so that continuous feeding is realized. The second bottom plate 212 is further provided with a first sensor 217 for monitoring whether there is material in the bin 213.
The conveying plane of the conveying runner 22 is flush with the surface of the first bottom plate 211 and is located at the opening side of the slot 215, and is used for receiving the stop ring 200 pushed out of the slot 215.
The pushing module 23 comprises a first cylinder 231 and a plurality of pushing plates 232 driven by the first cylinder 231 to move perpendicular to the conveying runner 22, the pushing plates 232 are arranged corresponding to the storage bin 213, and the pushing plates 232 are driven by the first cylinder 231 to extend into the slot 215 to push the stop ring 200 into the conveying runner 22. In this embodiment, two bins 213 are provided, and two pushing plates 232 are correspondingly provided. In other embodiments, the number of bins 213 and pushing plates 232 may be flexibly set according to the requirements. The front end of the pushing plate 232 is formed with a V-groove structure so that the ring-shaped stopper ring 200 can be smoothly pushed out.
The end of the conveying runner 22 is also provided with a stop module 25 for stopping the second stop ring at the output end from continuing to advance. The stopper module 25 includes a second cylinder 251, and a pair of stopper rods 252 driven by the second cylinder 251 to move up and down and extending into the conveying flow path 22. The stop rods 252 extend upwards into the conveying runner 22 and are inserted between the two stop rings at the tail end, so that the last stop ring is blocked and prevented from going forward continuously, the lifting and transferring mechanism 4 can receive the last stop ring without interference and perform positioning lifting and transferring operation on the last stop ring, and the stop ring in the conveying runner 22 is prevented from falling after the lifting and transferring mechanism 4 is removed.
The heating mechanism 3 is an intermediate frequency induction heating apparatus, which includes a heating coil 31 and a temperature sensor 32 located above the heating coil 31. The heating coil 31 surrounds a heating area, the lifting transfer mechanism 4 receives the stop ring 200 output by the conveying runner 22, then lifts the stop ring 200 into the heating area for heating, simultaneously monitors the heating temperature of the stop ring 200 in real time by using the temperature sensor 32, and after the heating temperature reaches a set temperature, the lifting transfer mechanism 4 carries the stop ring 200 to descend and then horizontally moves into the press-fitting mechanism 1.
The jacking transfer mechanism 4 comprises a third air cylinder 41, a first support plate 42 driven by the third air cylinder 41 to horizontally move, a fourth air cylinder 43 fixed on the first support plate 42, a second support plate 44 driven by the fourth air cylinder 43 to vertically move, a receiving groove 45 arranged on the second support plate 44 and in butt joint with the conveying runner 22, an inner support clamping module 46 positioned below the receiving groove 45, and a fifth air cylinder 47 arranged on the second support plate 44 and driving the inner support clamping module 46 to vertically move.
The first support plate 42 has a cantilever structure so that the stop ring 200 in the receiving groove 45 can be moved into the pressing mechanism 1 by horizontal movement and is located in a space right above the rotor assembly 400.
The receiving groove 45 is formed by surrounding a pair of first supporting blocks 48 and a second supporting block 49 which are oppositely arranged, the pair of first supporting blocks 48 and the second supporting block 49 are distributed on the second supporting plate 44 in a U shape, a supporting chute structure which is in butt joint with the conveying runner 22 is formed between the two first supporting blocks 48, two side enclosing blocks of the receiving groove 45 are formed, and the second supporting block 49 forms an end enclosing block of the receiving groove 45.
A movable space for the inner support clamping module 46 to move up and down is formed between the first support block 48 and the second support block 49; the movable end of the fifth cylinder 47 is provided with a third support plate 410, and the third support plate 410 extends into the movable space through the first support block 48; the inner support clamping module 46 is disposed on the third support plate 410.
The inner support clamping module 46 comprises a clamping jaw cylinder 461 fixed on the third supporting plate 410, and a plurality of inner support clamping jaws 462 which are driven by the clamping jaw cylinder 461 to radially expand and contract inwards. In order to ensure that the press-fit mechanism 1 provides a reliable bottom support for the stop ring 200 when picking up the stop ring 200, all of the inner support jaws 462 are jointly formed with a support surface 4621 supporting the bottom of the stop ring 200; all of the inner support jaws 462 are also commonly formed with an inner support positioning surface 4622 that extends into the inner race of the stop ring 200 to position the stop ring 200.
The receiving groove 45 is firstly in butt joint with the conveying runner 22 at a first height position, the stop ring 200 enters the receiving groove 45 through the conveying runner 22, and then the fourth air cylinder 43 drives the second supporting plate 44 to move upwards, so that the stop ring 200 is separated from the conveying team, and material distribution is realized; the inner support clamping module 46 supports the stop ring 200 from the inner ring, and meanwhile, the fifth air cylinder 47 drives the third supporting plate 410 to move upwards, the inner support clamping module 46 supports the stop ring 200 upwards, and the stop ring is stretched into the heating coil 31 for heating; in this embodiment, the inner supporting jaw 462 is made of a high temperature resistant material.
The press-fitting mechanism 1 comprises a positioning tool 11 for bearing the positioning rotor assembly 400, a press-fitting head 12 positioned above the positioning tool 11 and a press-fitting driving piece 13 for driving the press-fitting head 12 to move up and down. The lower surface of the press-fitting head 12 is provided with an annular clamping groove 121 that accommodates the stop ring 200. The inner wall surface of the annular clamping groove 121 is provided with an elastic top bead 122, and the stop ring 200 is held in the annular clamping groove 121 by the elastic top bead 122 without falling off. The inner circumference of the annular clamping groove 121 is provided with a first avoidance gap 123 for avoiding the inner support clamping jaw 462. The movable plate of the press-fit driving member 13 is further provided with a blower pipe 14 for blowing air to cool the stop ring 200 fitted to the rotor assembly 400.
After the bearing stop ring 200 is heated in the heating mechanism 3, the fifth air cylinder 47 is reset, then the third air cylinder 41 drives the stop ring 200 to move to the lower part of the press-fit head 12, the stop ring 200 in the bearing groove 45 is aligned with the annular clamping groove 121 on the press-fit head 12, then the fifth air cylinder 47 is lifted, the stop ring 200 is pressed into the annular clamping groove 121, the inner supporting clamping jaw 462 is retracted, the fifth air cylinder 47 is lowered, the third air cylinder 41 and the fourth air cylinder 43 are reset, and the next stop ring 200 output by the conveying runner 22 is received.
The bottom shaft end surface of the press fitting head 12 is provided with an outer circumferential blocking part 124 and an inner circumferential blocking part 125, and the outer circumferential blocking part 124 and the inner circumferential blocking part 125 jointly surround to form the annular clamping groove 121. The first avoidance notch 123 is formed in the inner peripheral baffle 125. Since the inner ring diameter of the stop ring 200 is to be assembled with the outer diameter of the rotor shaft on the rotor assembly 400, and after the assembly, the top end of the rotor shaft extends out of the upper surface of the stop ring 200, the press-fitting head 12 needs to avoid the position of the top end of the rotor shaft when the stop ring 200 is pressed. Therefore, in the present embodiment, the inner ring guard 125 is elastically floating up and down on the press-fit head 12, and is supported by an elastic member (not shown) to be kept in a downward extended state; an escape hole is formed in the inner peripheral baffle 125. When the stop ring 200 is pressed, the press-fit head 12 clamps the stop ring 200 to move downwards, and when the rotor shaft contacts the inner ring surrounding blocking part 125, the rotor shaft presses the inner ring surrounding blocking part 125 towards the inside of the press-fit head 12 along with the continuous descending of the press-fit head 12, so that the inner ring surrounding blocking part 125 is contracted in the press-fit head 12, avoiding of the rotor shaft is realized, and the press-fit of the stop ring 200 in place is ensured.
The balance plate feeding mechanism 5 comprises a feeding jig 51, a sixth air cylinder 52 for driving the feeding jig 51 to move between a feeding station and a loading station, and a jacking module 53 arranged at the feeding station for jacking the balance plate 300 at the uppermost layer in the feeding jig 51 upwards to a set height position. The feeding station is further provided with a second sensor 54 for monitoring whether the uppermost balance plate 300 in the feeding jig 51 reaches a set height position.
The feeding jig 51 includes a fourth support plate 511 and a core beam 512 disposed on the fourth support plate 511. The fourth support plate 511 is slidably disposed on a pair of slide rails 55 and is driven to horizontally move by a sixth air cylinder 52. The balance plate 300 is seated on the fourth support plate 511 in a stacked state, and is positioned by being inserted into the central shaft hole of the balance plate 300 by the core beam 512.
The fourth support plate 511 is provided with a second avoiding notch 513 corresponding to the area where the balance plate 300 is located.
The jacking module 53 includes a lifting motor 531 and a jacking plate 532 driven by the lifting motor 531 to move up and down. The jacking bracket 532 jacks up the balance plate 300 through the second avoidance gap 513.
The transfer robot 6 comprises a multi-axis robot (not identified in the figure) and a clamping module 61 arranged at the movable end of the multi-axis robot. The clamping module 61 includes a seventh cylinder 611, a pair of clamping arms 612 that are driven to be moved toward or away from each other by the seventh cylinder 611, a first clamping assembly 613 provided on the pair of clamping arms 612 for clamping the balance plate 300, and a second clamping assembly 614 provided on the pair of clamping arms 612 for clamping the rotor shaft.
The second clamping assembly 614 includes a pair of clamping plates 6141, and V-shaped grooves are formed on opposite side surfaces of the pair of clamping plates 6141 so as to reliably and stably clamp the rotor shaft in a centering manner, and on one hand, the clamping assembly is used for achieving picking and carrying of the rotor shaft when the rotor shaft is assembled, and on the other hand, the rotor assembly 400 is achieved in the assembling process of the rotor assembly 400.
The first clamping assembly 613 is disposed below the second clamping assembly 614, specifically on the lower surfaces of the pair of clamping plates 6141. The first clamping assembly 613 comprises a fixed seat 6131 fixed on the lower surface of the clamping plate 6141 and an elastic clamping block 6132 horizontally and elastically floating on the fixed seat 6131, a limiting pressing surface 6133 for the upper surface of the balance plate 300 is formed on the lower surface of the clamping plate 6141, and a supporting hook portion 6134 for supporting the bottom of the balance plate 300 is arranged on the fixed seat 6131. When the first clamping assembly 613 clamps the balance plate 300, the bottom of the balance plate 300 is supported by the supporting hook 6134, and meanwhile, the upper surface and the lower surface of the balance plate 300 are limited by the limiting pressing surface 6133, so that the upper surface and the lower surface of the balance plate 300 are both limited, and meanwhile, part of the circumferential surface of the balance plate 300 is clamped by the elastic clamping block 6132, so that the balance plate 300 is accurately clamped, and the balance plate 300 can be accurately assembled on the rotor shaft of the rotor assembly 400; when the balance plate 300 is pressed, the limiting pressing surface 6133 is used for applying pressure on the balance plate 300, so that the downward assembly of the balance plate 300 is facilitated; at the same time, the balancing plate 300 is also more beneficial to be taken out from the stacked materials one by the aid of the supporting hook 6134.
A sliding groove is formed on the lower surface of the elastic clamping block 6132, and a sliding rail structure matched with the sliding groove is arranged on the fixed seat 6131 so as to ensure the position stability of the elastic clamping block 6132.
The first clamping assembly 613 is provided with a third sensor 615 that monitors whether the first clamping assembly 613 is clamped to the balance plate 300.
The clamping arm 612 is provided with a fourth sensor 616 that monitors whether the second clamping assembly 614 clamps to the rotor shaft.
The clamping arm 612 is also provided with a third clamping assembly 617 clamping the core and a fifth sensor 618 monitoring whether the third clamping assembly 617 has a clamp to the core.
The first clamping assembly 613, the second clamping assembly 614 and the third clamping assembly 617 realize clamping and conveying of the balance plate 300, the rotor shaft and the iron core, and form a multifunctional clamping jaw.
The embodiment also provides an automatic assembling method of the motor rotor balance plate and the stop ring, which comprises the following steps:
s1, a carrying robot 6 clamps a rotor assembly 400 to be assembled and places the rotor assembly 400 on a positioning tool 11 in a press-fit mechanism 1;
s2, a jacking module 53 in the balance plate feeding mechanism 5 jacks up a stack of balance plate groups, so that the balance plate 300 at the uppermost layer reaches a first set height position, and a carrying robot 6 takes the balance plate 300 at the uppermost layer out of a feeding jig 51 at the set height position and then places the balance plate 300 on a rotor shaft of a rotor assembly 400;
s3, while the step S1-S2 is carried out, the stop ring feeding mechanism 2 automatically conveys the stop ring 200, the jacking transfer mechanism 4 receives one stop ring 200 at the output end of the stop ring feeding mechanism 2, and then the stop ring 200 is jacked up to a second set height, and the heating mechanism 3 is used for heating the stop ring 200;
s4, after the set temperature is reached, and the balance plate 300 is placed in place, the stop ring 200 descends and horizontally moves into the press-fitting mechanism 1 and stretches into the position right below the press-fitting head 12, the stop ring 200 is supported from the inside by the internal supporting clamping module 46 in the jacking transfer mechanism 4 and the bottom of the stop ring 200 is supported, the stop ring 200 is jacked upwards into the annular clamping groove 121 on the lower surface of the press-fitting head 12, and then the jacking transfer mechanism 4 is evacuated for resetting;
s5, the press fitting head 12 carries the stop ring 200 to move downwards, presses the stop ring 200 onto the rotor shaft of the rotor assembly 400 and presses the stop ring into place, and assembly of the rotor assembly 400, the balance plate 300 and the stop ring 200 is achieved.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (13)
1. Automatic equipment of motor rotor balance plate and snap ring, its characterized in that: it comprises
The press-fitting mechanism comprises a positioning tool for bearing the positioning rotor assembly and a press-fitting head which is positioned above the positioning tool and moves up and down;
the stop ring feeding mechanism sequentially outputs stop rings;
the heating mechanism is arranged above the output end of the stop ring feeding mechanism;
the jacking transfer mechanism is arranged at the output end of the stop ring feeding mechanism, receives the stop ring, jacks up into the heating mechanism for heating, and then moves into the press-fitting mechanism for press-fitting;
balance plate feeding mechanism;
and the carrying robot clamps the balance plate in the balance plate feeding mechanism and assembles the balance plate on a rotor assembly in the press-fitting mechanism.
2. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 1, wherein: the stop ring feeding mechanism comprises a feeding cartridge clip, a conveying runner arranged on the output side of the feeding cartridge clip, a pushing module for pushing stop rings in the feeding cartridge clip outwards to the conveying runner one by one, and a direct vibration module for driving the conveying runner to vibrate so that the stop rings are conveyed forwards; the end of the conveying flow channel is provided with a stop module for stopping the output end stop ring from continuing to advance.
3. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 2, wherein: the feeding cartridge clip comprises a first bottom plate, a second bottom plate positioned above the first bottom plate and a plurality of bins arranged on the second bottom plate, wherein a material leakage groove corresponding to the bins is formed in the second bottom plate, a slot for the pushing module to be inserted is formed between the first bottom plate and the second bottom plate, and the material leakage groove is communicated with the slot; the height of the slot is larger than or equal to the thickness of one stop ring and smaller than the thickness of two stop rings.
4. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 3, wherein: the conveying plane of the conveying runner is flush with the surface of the first bottom plate and is positioned at the opening side of the slot; the pushing module comprises a first cylinder and a plurality of pushing plates which are driven by the first cylinder to move perpendicular to the conveying flow channel, the pushing plates are arranged corresponding to the storage bin, and the pushing plates are driven by the first cylinder to extend into the slot to push the stop ring into the conveying flow channel.
5. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 1, wherein: the heating mechanism comprises a heating coil and a temperature sensor positioned above the heating coil; the heating coil surrounds a heating area, and the lifting transfer mechanism lifts the stop ring to the heating area for heating after receiving the stop ring.
6. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 1, wherein: the jacking transfer mechanism comprises a third air cylinder, a first supporting plate driven by the third air cylinder to horizontally move, a fourth air cylinder fixed on the first supporting plate, a second supporting plate driven by the fourth air cylinder to vertically move, a receiving groove arranged on the second supporting plate and butted with the output end of the stop ring feeding mechanism, an inner support clamping module arranged below the receiving groove, and a fifth air cylinder arranged on the second supporting plate and driving the inner support clamping module to vertically move;
the internal stay clamping module comprises a clamping jaw cylinder and a plurality of internal stay clamping jaws which are driven by the clamping jaw cylinder to expand and contract radially outwards and inwards; all the inner supporting clamping jaws are jointly formed with a supporting surface for supporting the bottom of the stop ring; and all the inner supporting clamping jaws are jointly formed with an inner supporting positioning surface which stretches into the inner ring of the stop ring to position the stop ring.
7. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 6, wherein: an outer ring surrounding and blocking part and an inner ring surrounding and blocking part are arranged on the end face of the bottom shaft of the press-fit head, and the outer ring surrounding and blocking part and the inner ring surrounding and blocking part jointly surround to form an annular clamping groove; the inner wall surface of the annular clamping groove is provided with an elastic top bead.
8. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 7, wherein: a first avoidance gap for avoiding the inner support clamping jaw is formed in the inner ring surrounding baffle part; the inner ring surrounding blocking part is elastically arranged on the press fitting head in a floating manner up and down, and is propped by an elastic piece to be kept in a stretching state downwards.
9. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 1, wherein: the balance plate feeding mechanism comprises a feeding jig, a sixth air cylinder for driving the feeding jig to move between a feeding station and a loading station, and a jacking module arranged at the feeding station for jacking the uppermost balance plate in the feeding jig to a set height position; a second sensor for monitoring whether the uppermost balance plate in the feeding jig reaches a set height position or not is arranged at the feeding station;
the feeding jig comprises a fourth supporting plate and a central guide post arranged on the fourth supporting plate; the fourth supporting plate is arranged on the pair of sliding rails in a sliding manner and driven by the sixth air cylinder to horizontally move;
a second avoidance gap is formed in the fourth supporting plate corresponding to the area where the balance plate is located; the jacking module comprises a lifting motor and a jacking supporting plate which is driven by the lifting motor to move up and down; the jacking supporting plate penetrates through the second avoiding notch to jack the balance plate upwards.
10. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 1, wherein: the carrying robot comprises a multi-axis robot and a clamping module arranged at the movable tail end of the multi-axis robot; the clamping module comprises a seventh air cylinder, a pair of clamping arms which are driven by the seventh air cylinder to be mutually close or open, a first clamping assembly which is arranged on the clamping arms and used for clamping the balance plate, and a second clamping assembly which is arranged on the clamping arms and used for clamping the rotor shaft.
11. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 10, wherein: the second clamping assembly comprises a pair of clamping plates, and V-shaped grooves are formed in the surfaces of the opposite sides of the clamping plates; the first clamping assembly is arranged on the lower surfaces of the pair of clamping plates; the first clamping assembly comprises a fixed seat fixed on the lower surface of the clamping plate and an elastic clamping block horizontally arranged on the fixed seat in an elastic floating mode, a limiting pressing surface for the upper surface of the balance plate is formed on the lower surface of the clamping plate, and a supporting hook portion for supporting the bottom of the balance plate is arranged on the fixed seat.
12. The automatic assembling apparatus for a motor rotor balance plate and a stop ring according to claim 11, wherein: a third sensor for monitoring whether the first clamping component is clamped to the balance plate or not is arranged on the fixed seat; a fourth sensor is arranged on the clamping arm for monitoring whether the second clamping assembly clamps to the rotor shaft; and a third clamping assembly for clamping the iron core and a fifth sensor for monitoring whether the third clamping assembly clamps the iron core or not are further arranged on the clamping arm.
13. An assembly method based on the assembly device according to claim 1, characterized in that: which comprises the following steps:
s1, the transfer robot clamps a rotor assembly to be assembled and places the rotor assembly on a positioning tool in the press-fitting mechanism;
s2, the balance plate feeding mechanism lifts up a stack of balance plate groups to enable the balance plate at the uppermost layer to reach a first set height position, and the transfer robot takes the balance plate at the uppermost layer out of the balance plate feeding mechanism at the first set height position and then places the balance plate on a rotor shaft of the rotor assembly;
s3, while the step S1-S2 is carried out, the stop ring feeding mechanism automatically conveys the stop ring, the jacking transfer mechanism receives one stop ring at the output end of the stop ring feeding mechanism, and then the stop ring is jacked up to a second set height, and the heating mechanism is used for heating the stop ring;
s4, after the stop ring reaches a set temperature and the balance plate is placed in place, the jacking transfer mechanism drives the stop ring to descend and horizontally move into the press mounting mechanism and extend into the position right below the press mounting head, an inner support clamping module in the jacking transfer mechanism is used for supporting the stop ring from the inside and supporting the bottom of the stop ring, the stop ring is jacked upwards into an annular clamping groove on the lower surface of the press mounting head, and then the jacking transfer mechanism withdraws and resets;
s5, the press fitting head carries the stop ring to move downwards, the stop ring is pressed onto the rotor shaft of the rotor assembly and is pressed into place, and the rotor assembly, the balance plate and the stop ring are assembled.
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| CN202311031817.0A CN116728084B (en) | 2023-08-16 | 2023-08-16 | Automatic assembling equipment and method for motor rotor balance plate and stop ring |
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| CN202311031817.0A CN116728084B (en) | 2023-08-16 | 2023-08-16 | Automatic assembling equipment and method for motor rotor balance plate and stop ring |
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| CN116728084B CN116728084B (en) | 2023-11-07 |
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Cited By (1)
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| CN117300523A (en) * | 2023-11-28 | 2023-12-29 | 上海芬能自动化技术股份有限公司 | Automatic thermal assembly equipment for stator core |
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|---|---|
| CN116728084B (en) | 2023-11-07 |
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