CN108809006B - Motor rotor assembly machine and assembly method thereof - Google Patents
Motor rotor assembly machine and assembly method thereof Download PDFInfo
- Publication number
- CN108809006B CN108809006B CN201810631398.7A CN201810631398A CN108809006B CN 108809006 B CN108809006 B CN 108809006B CN 201810631398 A CN201810631398 A CN 201810631398A CN 108809006 B CN108809006 B CN 108809006B
- Authority
- CN
- China
- Prior art keywords
- plate
- rotor
- dynamic balance
- guide shaft
- pressing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 85
- 230000007246 mechanism Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a motor rotor assembly machine and an assembly method thereof, wherein the assembly machine comprises a carrier plate with a through hole, a coaxial guide shaft and a pressing head are arranged on the upper and lower sides of the carrier plate, the guide shaft and the pressing head can respectively move up and down along the extending direction of the axes of the guide shaft and the pressing head and keep coaxial, and the guide shaft can penetrate through the through hole. The technical scheme is exquisite in design and simple in structure, and through the arrangement of the coaxial guide shaft and the pressure head, when the rotor is assembled, the upper dynamic balance plate, the lower dynamic balance plate and the rotor are coaxial with the guide shaft, so that the concentricity of the upper dynamic balance plate, the lower dynamic balance plate and the rotor can be effectively ensured under the same reference, the concentricity of the upper dynamic balance plate, the lower dynamic balance plate and the rotor can meet the requirement of 0.02mm, and meanwhile, the rotor shaft, the guide shaft and the pressure head can be coaxial through the upward and downward movement of the guide shaft and the pressure head, the rotor shaft can be inserted into the upper dynamic balance plate, the lower dynamic balance plate and the rotor to realize the assembly, the problem of rotor shaft position deviation is avoided, and the assembly precision and the product quality are greatly improved.
Description
Technical Field
The invention relates to the field of motor rotor machining, in particular to a motor rotor assembly machine and an assembly method thereof.
Background
The motor rotor is a rotating part in the motor in popular way, and in a feasible structure, the motor rotor comprises an upper dynamic balance plate, a lower dynamic balance plate, a rotor and a rotor shaft, however, when the motor rotor is assembled, the upper dynamic balance plate, the lower dynamic balance plate and the cast aluminum rotor are often in a non-concentric condition, the rotor shaft is easy to deviate in press fitting, and when the rotor shaft is pressed into the upper dynamic balance plate, the lower dynamic balance plate and the rotor, the rotor silicon steel sheet is easy to have a fin-tilting problem, and the quality of products is influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a motor rotor assembly machine and an assembly method thereof, wherein concentricity of each assembly can be effectively ensured.
The aim of the invention is achieved by the following technical scheme:
The motor rotor assembly machine comprises a carrier plate with a through hole, wherein a coaxial guide shaft and a pressing head are arranged on the carrier plate up and down, the guide shaft and the pressing head can respectively move up and down along the extending direction of the axes of the guide shaft and the pressing head and keep coaxial, and the guide shaft can penetrate through the through hole.
Preferably, in the motor rotor assembling machine, a positioning groove coaxial with the guide shaft is formed in the upper end face of the guide shaft, and a limiting groove coaxial with the positioning groove is formed in the bottom face of the pressure head.
Preferably, in the motor rotor assembling machine, the pressure head is arranged on a mounting plate which reciprocates along the extending direction of the guide shaft, and the mounting plate moves in a horizontal direction limited by the guide post.
Preferably, the motor rotor assembling machine further comprises a pressing plate, wherein the pressing plate is used for being matched with the carrier plate to press the upper dynamic balance plate, the rotor and the lower dynamic balance plate of the motor rotor between the pressing plate and the carrier plate together, and the upper dynamic balance plate, the rotor and the lower dynamic balance plate are provided with guide holes coaxial with the guide shafts.
Preferably, in the motor rotor assembling machine,
In the first state, the pressing plate and the pressing head are connected into a whole and move up and down along with the pressing head;
In a second state, the platen is separated from the ram.
Preferably, in the motor rotor assembling machine, the pressing plate is connected with or separated from the pressing head through an automatic bolt and an inserting hole.
Preferably, in the motor rotor assembling machine, the pressing plate is matched with the carrier plate to press the upper dynamic balance plate, the rotor and the lower dynamic balance plate together, and the positions of the pressing plate and the carrier plate are fixed through wedge block locking mechanisms at two ends of the pressing plate.
Preferably, in the motor rotor assembling machine, the wedge block locking mechanism comprises an upper wedge block and a lower wedge block, the upper wedge block and the lower wedge block adopt a friction angle self-locking principle to realize the fixation of the pressing plate, and the upper wedge block is arranged on a driving mechanism for driving the upper wedge block to reciprocate along the second direction Y.
Preferably, in the motor rotor assembly machine, the driving mechanism comprises a driving cylinder, a piston rod of the driving cylinder is connected with a bolt-shaped transmission piece, the head of the transmission piece is clamped in a limit groove of a transmission block and can move in the limit groove, one end of the outer periphery of a rod body of the transmission piece is sleeved with a spring, the other end of the spring abuts against the outer wall of the transmission block, the other end of the spring abuts against a limit surface, the transmission block is arranged on a sliding frame, and the bottom of the sliding frame is provided with the upper wedge-shaped block.
Preferably, the motor rotor assembling machine further comprises an elastic buffer member abutting against the side wall of the carriage when the piston rod of the driving cylinder is retracted.
The motor rotor assembly method comprises the following steps:
S1, coaxially positioning a lower dynamic balance plate, a rotor and upper dynamic balance on a carrier plate through a guide shaft;
s2, the pressure head moves downwards to drive the pressure plate to move downwards to be matched with the carrier plate to compress the upper and lower dynamic balance plates and the rotor between the pressure plate and the carrier plate;
s3, starting a wedge block locking mechanism to fix the pressing plate;
S4, separating the pressing plate from the pressure head, and lifting and resetting the pressure head;
s5, the guide shaft is lifted, and the pressing head moves downwards to position the rotor shaft between the guide shaft and the pressing head;
s6, synchronously moving the guide shaft and the pressure head downwards to enable the rotor shaft to be coaxially inserted into the upper dynamic balance plate, the rotor and the lower dynamic balance plate;
s7, starting unlocking of the wedge block locking mechanism, connecting the pressing plate with the pressing head, lifting and resetting the pressing head, and moving the guide shaft downwards and resetting the guide shaft;
and S8, taking out the assembled motor rotor from the carrier plate.
Preferably, in the motor rotor assembling method, in step S1, a heating treatment is performed before positioning the lower dynamic balance plate, the rotor and the upper dynamic balance plate; in step S5, a cooling process is performed before positioning the rotor shaft.
The technical scheme of the invention has the advantages that:
The technical scheme is exquisite in design and simple in structure, and through the arrangement of the coaxial guide shaft and the pressure head, when the rotor is assembled, the upper dynamic balance plate, the lower dynamic balance plate and the rotor are coaxial with the guide shaft, so that the concentricity of the upper dynamic balance plate, the lower dynamic balance plate and the rotor can be effectively ensured under the same reference, the concentricity of the upper dynamic balance plate, the lower dynamic balance plate and the rotor can meet the requirement of 0.02mm, and meanwhile, the rotor shaft, the guide shaft and the pressure head can be coaxial through the upward and downward movement of the guide shaft and the pressure head, the rotor shaft can be inserted into the upper dynamic balance plate, the lower dynamic balance plate and the rotor to realize the assembly, the problem of rotor shaft position deviation is avoided, and the assembly precision and the product quality are greatly improved.
And a coaxial groove structure is formed on the opposite end surfaces of the guide shaft and the pressure head, so that the rotor shaft can be positioned quickly and accurately, the coaxiality of the rotor shaft, the guide shaft and the pressure head is ensured, and the assembly precision is improved.
The pressing plate and the wedge block locking mechanism are added and combined, the upper dynamic balance plate, the lower dynamic balance plate and the rotor can be pre-pressed before the rotor shaft is assembled, the press mounting depth of the rotor shaft can be effectively ensured to be subsequently pressed, meanwhile, the deformation of the silicon steel sheet of the cast aluminum rotor is effectively prevented, and the product quality is improved.
The special driving mechanism makes a certain space reserved between the driving part and the groove with fast transmission, and when the wedge block is pulled back, the driving part is impacted onto the groove wall at a relatively high initial speed by utilizing the reaction force of the spring, so that the pulling force on the sliding frame is increased, the problem that the sliding frame cannot be pulled quickly due to the fact that the instant pulling force of the air cylinder is insufficient is prevented, and the stability and the reliability of unlocking are ensured.
The principle of thermal expansion and cold contraction is utilized in the assembly process, the upper dynamic balance plate, the lower dynamic balance plate and the rotor are heated and expanded firstly, the rotor shaft is cooled and contracted firstly, the outer diameter of the rotor shaft is reduced relatively at the moment, and through holes on the upper dynamic balance plate, the lower dynamic balance plate and the rotor are expanded relatively, so that the rotor shaft can enter the upper dynamic balance plate, the lower dynamic balance plate and the rotor more easily during assembly, and the friction force is reduced, so that the pressure applied during assembly is reduced, and the problem of warping of a rotor silicon steel sheet during rotor shaft pressing is avoided.
Drawings
FIG. 1 is a schematic diagram of an assembled construction of a motor rotor according to the present invention;
FIG. 2 is a cross-sectional view of the motor rotor assembly machine of the present invention (excluding the drive structure and base frame of the guide shaft, and the press block being coupled to the mounting plate);
FIG. 3 is a view showing the state of connection between the pressing plate and the mounting plate (without the driving structure and the base frame of the guide shaft) in the normal state of the motor transfer assembly machine;
FIG. 4 is a perspective view of the motor rotor assembly machine of the present invention;
fig. 5 is a positional relationship diagram between the motor rotor assembling machine and the motor rotor of the present invention;
FIG. 6 is a side view of the present invention (power means for de-indenter);
Fig. 7 is a side view of the drive mechanism of the present invention.
Detailed Description
The objects, advantages and features of the present invention are illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are only typical examples of the technical scheme of the invention, and all technical schemes formed by adopting equivalent substitution or equivalent transformation fall within the scope of the invention.
In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.
The motor rotor assembling machine disclosed by the invention is described below with reference to the accompanying drawings, and is used for assembling the motor rotor shown in fig. 1, and as shown in fig. 2, the motor rotor assembling machine comprises a carrier plate 1 with a through hole 11, wherein the through hole 11 is coaxial with the carrier plate 1, for example, the carrier plate is in a circular ring shape, and of course, other annular structures are also possible.
As shown in fig. 1 and 5, the carrier plate 1 may be inserted into the groove 1021 at the lower end of the rotor 102, and the through hole 11 thereon is coaxial with the through hole of the rotor 102 and has the same diameter, and the thickness of the carrier plate 1 is such that the distance from the top of the lower dynamic balance plate 103 to the bottom of the carrier plate 1 is not less than the depth of the groove 1021 at the bottom of the rotor 102 when the lower dynamic balance plate 103 is positioned thereon.
As shown in fig. 2, the carrier plate 1 is disposed on a supporting table 9, the supporting table 9 is disposed on a base frame 40, a top plate of the supporting table is provided with a clamping hole coaxial with the through hole 11, an oilless shaft sleeve 20 coaxial with the through hole 11 is disposed in the clamping hole, and a central hole of the oilless shaft sleeve 20 is the same as or slightly smaller than a hole diameter of the through hole 11.
As shown in fig. 2, a guiding shaft 2 coaxial with the through hole 11 is disposed below the carrier plate 1, the guiding shaft 2 may move up and down along the extending direction of the axis thereof, and may penetrate through the central hole of the oilless shaft sleeve 20 and the through hole 11, and the outer wall thereof is attached to the inner wall of the oilless shaft sleeve 20, so as to realize horizontal limiting.
Specifically, a driving device that drives the guide shaft 2 to reciprocate along a third direction Z (axis direction of the guide shaft 2) is connected to the bottom of the guide shaft 2, the driving device may be of a known structure or device and may control a moving stroke of the guide shaft 2, in a preferred embodiment, as shown in fig. 4 and fig. 5, the driving device 30 includes a cylinder 301 driven by a servo motor, a sliding seat 302 is disposed on a sliding block of the cylinder 301, the sliding seat 302 is slidably disposed on two guide rails 303 extending along the third direction Z and disposed on the base frame 40, the sliding seat 302 is disposed on the guide shaft 2, and the guide shaft 2 is in a bolt shape, and a positioning groove (not shown in the drawing) coaxial with the guide shaft is disposed on a top surface of the guide shaft, and a shape of the positioning groove matches a shape of a lower end of the rotor 102.
As shown in fig. 2 and fig. 4, a pressing head 3 coaxial with the guide shaft 2 is disposed above the carrier plate 1, the pressing head 3 may move up and down along an extending direction of an axis of the pressing head 3, specifically, the pressing head 3 is disposed on a driving mechanism 4 that drives the pressing head 3 to reciprocate along the extending direction (third direction Z) of the guide shaft 2, a limit groove (not shown in the drawing) coaxial with the locating groove is disposed at a bottom of the pressing head 3, and a shape of the limit groove matches a shape of an upper end of the rotor 102.
As shown in fig. 5, the driving mechanism 4 includes a mounting plate 41, a power device 44 for driving the mounting plate 41 to lift (reciprocate along the third direction Z) is connected to the top of the mounting plate 41, the power device 44 is preferably an electric cylinder driven by a servo motor, but may be other driving structures, the electric cylinder is disposed on a C-shaped frame 45 on the top plate of the supporting table 9, a set of guide members 43 are disposed on the mounting plate 41, and the horizontal movement of the mounting plate 41 is limited by a set of guide posts 42 inserted in the guide members 43.
Further, as shown in fig. 2 to 5, the motor rotor assembling machine further includes a pressing plate 5 having a length extending along the first direction X, for press-fitting together the upper dynamic balance plate 101, the rotor 102 and the lower dynamic balance plate 103 of the motor rotor located therebetween with the carrier plate 1, wherein the pressing plate 5 has a guide hole 51 coaxial with the guide shaft 2, an annular protrusion 52 matching with the upper dynamic balance plate 101 is formed at a bottom portion of the pressing plate 5, and a gap is maintained between the bottom portion of the pressing plate 5 and a top portion of the rotor 102 when the protrusion 52 is pressed against the upper dynamic balance plate 101.
As shown in fig. 5, the pressing plate 5 is provided with a set of guide members 53, the guide members 53 are slidably inserted into guide posts 54 on the supporting table 9, so as to limit the movement of the pressing plate 5 in the horizontal direction, which is beneficial to ensuring the coaxiality during assembly, and at least one pair of limit posts 55 for limiting the downward movement travel of the pressing plate 5 are further provided on the supporting table 9.
In the first state, as shown in fig. 3, the pressing plate 5 is integrally connected with the pressing head 3 and moves up and down along with the pressing head 3;
in the second state, as shown in fig. 2, the pressing plate 5 is separated from the pressing head 3.
In detail, as shown in fig. 2, the pressing plate 5 is connected to or separated from the pressing head 3 by the automatic pins 8 and the inserting holes 7, one of the automatic pins 8 and the inserting holes 7 is arranged on the pressing plate 5, the other is arranged on the mounting plate 41, preferably, the inserting holes 7 are arranged below the mounting plate 41 and are distributed on two sides of the pressing head 3, the automatic pins 8 are arranged above the pressing plate 5 and correspond to the number and the positions of the inserting holes 7 one by one, the automatic pins can be of various known structures capable of automatically extending and retracting the pins, when the pins 8 extend and are inserted into the inserting holes 7, the pressing plate 5 is connected with the mounting plate 41, and at the moment, a gap is kept between the pressing plate 5 and the mounting plate 41, so that the pressing plate 5 can be driven to move synchronously when the mounting plate 41 moves up and down; when the plug 8 is withdrawn from the insertion hole 7, the pressing plate 5 is separated from the mounting plate 41.
After the pressure plate 5 is separated from the mounting plate 41, it cannot apply pressure to the upper dynamic balance plate 101 or the upper dynamic balance plate 101 and the rotor 102 to make the upper dynamic balance plate 101, the rotor 102 and the lower dynamic balance plate 103 closely adhere, so that, as shown in fig. 2 and fig. 4, when the pressure plate 5 cooperates with the carrier plate 1 to press the upper dynamic balance plate 101, the rotor 102 and the lower dynamic balance plate 103 together, the positions of the pressure plate are fixed by the wedge locking mechanisms 6 at the two ends of the pressure plate 5.
As shown in fig. 6, the wedge locking mechanism 6 includes an upper wedge 61 and a lower wedge 62, which adopt a friction angle self-locking principle to fix the pressing plate 5, each upper wedge 61 is disposed on a driving mechanism 63 that drives the upper wedge to reciprocate along the second direction Y, the lower wedge 62 is disposed at two ends of the pressing plate 5, and when the inclined plane at the bottom of the upper wedge 61 and the inclined plane at the top of the lower wedge 62 are bonded, they realize self-locking due to the position limitation and friction force therebetween, and the pressing plate 5 can provide stable pressing force.
As shown in fig. 7, the driving mechanism 63 includes a driving cylinder 631 disposed on an outer side surface of the C-shaped frame 45, a piston rod of the driving cylinder 631 may reciprocate along a second direction Y, a front end of the driving cylinder is connected to a bolt-shaped transmission member 632, a head 6321 of the transmission member 632 is clamped in a convex-shaped limit groove 6331 of a transmission block 633, the head 6321 of the transmission member 632 may move in the limit groove 6331, a spring 634 with one end abutting against an outer wall of the transmission block 633 and the other end abutting against a limit surface is further sleeved on an outer periphery of a rod 6322 of the transmission member 632, as shown in fig. 5, the transmission block 633 is disposed on a carriage 635, the carriage 635 is clamped on a guide rail 636 and may slide along the guide rail 636, and the bottom of the carriage 635 is provided with the upper wedge 61.
When the piston rod of the driving cylinder 631 extends, the driving member 632 is pushed to move toward the driving block 633, and at this time, the head 6321 of the driving member contacts the bottom of the limit groove 6331, so as to push the driving block 633, and the spring 634 is compressed; when the piston rod of the driving cylinder 631 is retracted, the reaction force of the spring 634 makes the driving member 632 move toward the driving cylinder with a larger acceleration, and when the head of the driving member 632 collides with the side wall of the other side of the limit groove 6331, the driving block 633 can be driven better to start.
Further, as shown in fig. 6, a floating stop 64 is further provided on the outer side of the C-shaped frame 45, and when the piston rod of the driving cylinder 631 is contracted, the carriage 635 moves toward the floating stop 64 and contacts with the bump at the front end of the floating stop 64, so that the bump is compressed, and the carriage 635 stops to stop under the reaction force of the bump.
Finally, during the operation of the whole equipment, the start and stop of each motor, cylinder, automatic bolt and other electric equipment and the conversion of the working state can be controlled by various sensor signals or software programming, preferably by various sensors (not shown) combined with a PLC control system (not shown).
The working process of the motor rotor assembly machine is described below, specifically as follows:
S1, stacking a lower dynamic balance plate, a rotor and an upper dynamic balance plate on a carrier plate in sequence, and realizing coaxial positioning of the lower dynamic balance plate, the rotor and the upper dynamic balance plate by penetrating the lower dynamic balance plate, the rotor and the upper dynamic balance plate through the upper top of a guide shaft, wherein the method comprises the following steps:
S11, placing the heated lower dynamic balance plate 103 on the carrier plate 1 through automatic equipment or manual work, enabling the lower dynamic balance plate 103 to be coaxial with the guide shaft 2, enabling the electric cylinder 301 to start driving the guide shaft 2 to ascend, enabling the guide shaft 2 to pass through the through hole 11 and the through hole on the lower dynamic balance plate 103, and positioning the lower dynamic balance plate 103, or of course enabling the guide shaft 2 to be firstly lifted above the carrier plate 1, and sleeving the lower dynamic balance plate 103 on the guide shaft 2;
s12, placing the heated cast aluminum rotor 102 on the lower dynamic balance plate 103 by automatic equipment or manual work and enabling the cast aluminum rotor to be coaxial with the guide shaft 2, wherein the electric cylinder 301 drives the guide shaft 2 to further ascend and be inserted into a through hole of the rotor 102, so that the rotor 102 is positioned and the rotor 102 and the lower dynamic balance plate 103 are coaxial; naturally, the guide shaft 2 may be lifted above the lower dynamic balance plate 103, and then the rotor 102 may be sleeved on the guide shaft 2;
S13, placing the heated upper dynamic balance plate 101 in a groove 1022 at the upper end of the rotor 102 by automatic equipment or manual work, enabling the upper dynamic balance plate 101 and the guide shaft 2 to be coaxial, and enabling the electric cylinder 301 to drive the guide shaft 2 to further ascend and be inserted into a through hole of the upper dynamic balance plate 101, so that the upper dynamic balance plate 101 is positioned and the upper dynamic balance plate 101, the rotor 102 and the lower dynamic balance plate 103 are coaxial; naturally, the guide shaft 2 may be lifted up to the upper side of the rotor 102, and then the upper dynamic balance plate 101 may be fitted over the guide shaft 2.
S2, the power device 44 starts to drive the mounting plate 41 to move downwards, the pressure head 3 is driven to move downwards, the mounting plate 41 moves downwards and the pressure plate 5 assembled with the mounting plate 41 is driven to move downwards, and when the circular ring convex block 52 at the bottom of the pressure plate 5 moves downwards to be tightly attached to the upper dynamic balance plate 101 and tightly presses the upper dynamic balance plate 101, the rotor 102 and the lower dynamic balance plate 103, the pressure plate is stopped.
S3, piston rods of driving cylinders 631 of the two wedge locking mechanisms 6 extend out to push the transmission piece 632 to drive the transmission piece 633 to move towards the direction of the lower wedge 62, so that the sliding frame 635 is pushed to drive the upper wedge 61 to move towards the direction of the lower wedge 62, the inclined planes of the upper wedge and the lower wedge are attached and cannot move, and at the moment, the position of the pressing plate 5 is fixed.
S4, the two automatic bolts 8 are respectively withdrawn from the corresponding insertion holes 7, so that the pressing plate 5 is separated from the mounting plate 41, and at the moment, the mounting plate 41 can be lifted and reset, so that space can be provided for mounting the rotor shaft.
S5, the cooled rotor shaft 104 (cooled by liquid nitrogen, for example) is placed between the guide shaft 2 and the ram 3 and coaxial with them by an automated device or manually, the electric cylinder 301 drives the guide shaft 2 to rise still further, and the power unit 44 drives the ram 3 to move down so that they position the rotor shaft located between them.
S6, then, the electric cylinder 301 drives the guide shaft 2 to move downwards, and the power device 44 drives the pressure head 3 to move downwards synchronously, so that the rotor shaft 104 is driven to be inserted into the through holes of the upper dynamic balance plate, the rotor and the lower dynamic balance plate, and assembly is realized.
S7, at the moment, the position of the insertion hole 7 on the mounting plate 41 corresponds to the position of the automatic insertion pin 8, so that the insertion pin of the automatic insertion pin 8 extends into the insertion hole 7, the connection between the pressing plate 5 and the mounting plate 41 is realized, meanwhile, a driving cylinder in the wedge locking mechanism 6 is reversely operated to reset, the pressing plate 5 is not limited by the wedge locking mechanism 6 and can move, and the power device 44 drives the mounting plate 41 to be lifted and reset; the electric cylinder 301 drives the guide shaft 2 to move downwards for resetting.
S8, manually or removing the assembled motor rotor from the carrier plate.
Repeating the above process for continuous assembly.
The invention has various embodiments, and all technical schemes formed by equivalent transformation or equivalent transformation fall within the protection scope of the invention.
Claims (6)
1. The motor rotor assembly machine, its characterized in that: the device comprises a carrier plate (1) with a through hole (11), wherein a coaxial guide shaft (2) and a pressing head (3) are arranged on the carrier plate (1) up and down, the guide shaft (2) and the pressing head (3) can respectively move up and down along the extending direction of the axes of the guide shaft and the pressing head and keep coaxial, the guide shaft (2) can penetrate through the through hole (11), and a driving device for driving the guide shaft (2) to move back and forth along a third direction is connected to the bottom of the guide shaft;
The motor rotor driving device further comprises a pressing plate (5) which is used for being matched with the carrier plate (1) to press the upper dynamic balance plate (101), the rotor (102) and the lower dynamic balance plate (103) of the motor rotor between the carrier plate and the carrier plate together, wherein the pressing plate is provided with a guide hole (51) coaxial with the guide shaft (2);
in a first state, the pressing plate (5) is connected with the pressing head (3) into a whole and moves up and down along with the pressing head (3);
in a second state, the pressing plate (5) is separated from the pressing head (3);
When the pressing plate (5) is matched with the carrier plate (1) to press the upper dynamic balance plate (101), the rotor (102) and the lower dynamic balance plate (103) together, the positions of the upper dynamic balance plate, the rotor and the lower dynamic balance plate are fixed through wedge-shaped block locking mechanisms (6) at two ends of the pressing plate;
The wedge block locking mechanism (6) comprises an upper wedge block (61) and a lower wedge block (62), the upper wedge block (61) and the lower wedge block adopt a friction angle self-locking principle to fix the pressing plate (5), and the upper wedge block (61) is arranged on a driving mechanism (63) for driving the upper wedge block to reciprocate along a second direction (Y);
The driving mechanism (63) comprises a driving cylinder (631), a piston rod of the driving cylinder (631) is connected with a bolt-shaped transmission member (632), a head (6321) of the transmission member (632) is clamped in a limiting groove (6331) of a transmission block (633), the driving mechanism can move in the limiting groove (6331), one end of a rod body (6322) of the transmission member (632) is propped against the outer wall of the transmission block (633) while the other end is propped against a spring (634) on a limiting surface, the transmission block (633) is arranged on a sliding frame (635), and the bottom of the sliding frame (635) is provided with an upper wedge block (61).
2. The motor rotor assembly machine of claim 1, wherein: the upper end face of the guide shaft (2) is provided with a positioning groove coaxial with the guide shaft, and the bottom of the pressure head (3) is provided with a limiting groove coaxial with the positioning groove.
3. The motor rotor assembly machine of claim 1, wherein: the pressure head (3) is arranged on a mounting plate (41) which moves reciprocally along the extending direction of the guide shaft (2), and the mounting plate (41) moves horizontally limited by a guide column (42).
4. The motor rotor assembly machine of claim 1, wherein: the pressing plate (5) is connected with or separated from the pressing head (3) through an automatic bolt (8) and an inserting hole (7).
5. A motor rotor assembling method of a motor rotor assembling machine according to any one of claims 1 to 4, wherein: the method comprises the following steps:
S1, coaxially positioning a lower dynamic balance plate, a rotor and upper dynamic balance on a carrier plate through a guide shaft;
s2, the pressure head moves downwards to drive the pressure plate to move downwards to be matched with the carrier plate to compress the upper and lower dynamic balance plates and the rotor between the pressure plate and the carrier plate;
s3, starting a wedge block locking mechanism to fix the pressing plate;
S4, separating the pressing plate from the pressure head, and lifting and resetting the pressure head;
s5, the guide shaft is lifted, and the pressing head moves downwards to position the rotor shaft between the guide shaft and the pressing head;
s6, synchronously moving the guide shaft and the pressure head downwards to enable the rotor shaft to be coaxially inserted into the upper dynamic balance plate, the rotor and the lower dynamic balance plate;
s7, starting unlocking of the wedge block locking mechanism, connecting the pressing plate with the pressing head, lifting and resetting the pressing head, and moving the guide shaft downwards and resetting the guide shaft;
and S8, taking out the assembled motor rotor from the carrier plate.
6. The method for assembling a motor rotor according to claim 5, wherein in step S1, heat treatment is performed before positioning the lower dynamic balance plate, the rotor, and the upper dynamic balance plate; in step S5, a cooling process is performed before positioning the rotor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631398.7A CN108809006B (en) | 2018-06-19 | 2018-06-19 | Motor rotor assembly machine and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810631398.7A CN108809006B (en) | 2018-06-19 | 2018-06-19 | Motor rotor assembly machine and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108809006A CN108809006A (en) | 2018-11-13 |
| CN108809006B true CN108809006B (en) | 2024-04-23 |
Family
ID=64083495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810631398.7A Active CN108809006B (en) | 2018-06-19 | 2018-06-19 | Motor rotor assembly machine and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108809006B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540504A (en) * | 2018-11-27 | 2019-03-29 | 安徽江淮汽车集团股份有限公司 | A kind of non-loaded inclining test bench of gearbox |
| CN110336428B (en) * | 2019-08-21 | 2024-12-24 | 中车株洲电机有限公司 | Motor stator and rotor assembly device and method |
| CN112910193B (en) * | 2021-02-26 | 2025-07-18 | 捷云智能装备(苏州)有限公司 | Integral press-fitting mechanism and stacking system for asynchronous motor |
| CN119134816B (en) * | 2024-11-14 | 2025-03-28 | 常州元能机电技术有限公司 | Stator, rotor and stator-rotor core axial centering press mounting method and press mounting equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4437213A (en) * | 1982-08-19 | 1984-03-20 | Transamerica Delaval Inc. | Means for tenon-forming a shroud to a turbine rotor |
| JPH09318896A (en) * | 1996-05-28 | 1997-12-12 | Asahi Optical Co Ltd | Dynamic balance adjustment device |
| CN204030894U (en) * | 2014-07-02 | 2014-12-17 | 苏州力久新能源科技有限公司 | A kind of magneto assembling servicing unit |
| CN104716794A (en) * | 2015-03-17 | 2015-06-17 | 浙江尤里卡机电有限公司 | Motor rotor steel nail fixing tool |
| CN105680648A (en) * | 2016-04-12 | 2016-06-15 | 杭州集智机电股份有限公司 | Radial supporting and axial pre-tightening structure for dynamic balance measurement of motor rotor provided with bearing |
| CN206442259U (en) * | 2016-12-26 | 2017-08-25 | 常州登丰电气有限公司 | Rotor multistation assembles device |
| CN107508436A (en) * | 2017-08-01 | 2017-12-22 | 金华市尤特自动化设备厂 | Single step classification assembling rotor automatically press-fitting machine |
| CN108058012A (en) * | 2018-01-19 | 2018-05-22 | 安徽航大智能科技有限公司 | A kind of new energy rotor counterweight pin press-loading device |
| CN208226815U (en) * | 2018-06-19 | 2018-12-11 | 昆山捷云智能装备有限公司 | Rotor assembly machine |
-
2018
- 2018-06-19 CN CN201810631398.7A patent/CN108809006B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4437213A (en) * | 1982-08-19 | 1984-03-20 | Transamerica Delaval Inc. | Means for tenon-forming a shroud to a turbine rotor |
| JPH09318896A (en) * | 1996-05-28 | 1997-12-12 | Asahi Optical Co Ltd | Dynamic balance adjustment device |
| CN204030894U (en) * | 2014-07-02 | 2014-12-17 | 苏州力久新能源科技有限公司 | A kind of magneto assembling servicing unit |
| CN104716794A (en) * | 2015-03-17 | 2015-06-17 | 浙江尤里卡机电有限公司 | Motor rotor steel nail fixing tool |
| CN105680648A (en) * | 2016-04-12 | 2016-06-15 | 杭州集智机电股份有限公司 | Radial supporting and axial pre-tightening structure for dynamic balance measurement of motor rotor provided with bearing |
| CN206442259U (en) * | 2016-12-26 | 2017-08-25 | 常州登丰电气有限公司 | Rotor multistation assembles device |
| CN107508436A (en) * | 2017-08-01 | 2017-12-22 | 金华市尤特自动化设备厂 | Single step classification assembling rotor automatically press-fitting machine |
| CN108058012A (en) * | 2018-01-19 | 2018-05-22 | 安徽航大智能科技有限公司 | A kind of new energy rotor counterweight pin press-loading device |
| CN208226815U (en) * | 2018-06-19 | 2018-12-11 | 昆山捷云智能装备有限公司 | Rotor assembly machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108809006A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108809006B (en) | Motor rotor assembly machine and assembly method thereof | |
| JP3786946B1 (en) | Permanent magnet resin sealing method | |
| CN108772680B (en) | Self-adaptive press-fitting machine, automatic press-fitting system and press-fitting method thereof | |
| JP5023124B2 (en) | Permanent magnet resin sealing method using transport tray | |
| JP2014018074A (en) | Resin sealing method of permanent magnet | |
| CN216462896U (en) | Be used for multiposition bush combination pressure equipment mechanism | |
| CN101890467B (en) | Hydraulic upsetter | |
| CN115592026B (en) | New energy automobile panel stamping die | |
| CN113857842B (en) | Automatic assembling device for starter limiting ring | |
| CN210940573U (en) | Pressure maintaining equipment | |
| CN109501475B (en) | Cylinder body code printing device | |
| CN112676752A (en) | Cantilever crane fixed welding equipment | |
| CN114505634B (en) | Heat exchanger welding tool for new energy vehicle and using method thereof | |
| CN213261203U (en) | Press machine | |
| US11712734B2 (en) | Transfer press having a c-shaped ram | |
| CN114260730B (en) | Support clamping device | |
| CN110653545B (en) | Motor stator welding equipment | |
| CN112844507B (en) | Liquid-transfering suction head and equipment mechanism who moves liquid cover handle | |
| CN208226815U (en) | Rotor assembly machine | |
| CN115464058B (en) | Single-head horizontal reducing machine | |
| CN220407412U (en) | Guiding mechanism for ultrasonic welding | |
| CN110640041A (en) | Forming die ejection mechanism based on hardware stamping part | |
| CN217862855U (en) | Quick hot riveting mechanism | |
| CN115847837B (en) | Heating and pressing device and operation method thereof | |
| CN222660259U (en) | Round bar gear shaping mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215000 Building 1, No. 11, Sihai Road, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Jieyun intelligent equipment (Suzhou) Co.,Ltd. Address before: 215000 139 CHENFENG East Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: KUNSHAN JIEYUN INTELLIGENT EQUIPMENT Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |