CN112846501B - Motor rotor welding jig - Google Patents
Motor rotor welding jig Download PDFInfo
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- CN112846501B CN112846501B CN202011632989.XA CN202011632989A CN112846501B CN 112846501 B CN112846501 B CN 112846501B CN 202011632989 A CN202011632989 A CN 202011632989A CN 112846501 B CN112846501 B CN 112846501B
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- 238000003466 welding Methods 0.000 title claims abstract description 141
- 238000003825 pressing Methods 0.000 claims abstract description 71
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 36
- 230000006835 compression Effects 0.000 claims description 26
- 238000007906 compression Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 20
- 239000000779 smoke Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 15
- 239000010959 steel Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 210000005056 cell body Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a motor rotor welding fixture, which relates to the technical field of motor production equipment and comprises a bottom plate, wherein a driving device is fixedly arranged on the bottom plate, a welding seat is arranged on a piston rod of the driving device, a side wall at one end of the welding seat is fixedly connected with the piston rod of the driving device, a welding area is arranged on the top surface at the other end of the welding seat and comprises a first station area and a second station area which are arranged in parallel, welding positioning devices are arranged in the first station area and the second station area, a protective cover is arranged outside the welding seat and is in a U-shaped opening shape, two ends of the U-shaped opening of the protective cover are fixedly arranged on the top surface of the bottom plate, the welding seat moves back and forth between the inside and the outside of the U-shaped opening of the protective cover under the action of the driving device, and a pressing device is arranged in the U-shaped opening of the protective cover. The invention has the advantages of improving the operation safety through the partition operation, and being convenient for purifying and blocking the smoke generated in the welding operation.
Description
Technical Field
The invention relates to the technical field of motor production equipment, in particular to a motor rotor welding clamp.
Background
In the manufacturing process of the motor rotor, the rotor seat and the rotor steel cover are generally required to be respectively welded at the two ends of the rotor. However, the conventional (motor rotor) laser welding device has a single structural function, and has the disadvantages of lack of specification in operation and poor safety. Most of the welding methods are manually operated, namely operators hold the rotor base and the rotor steel cover by experience to place and judge the rotor base and the rotor steel cover, the positions of the welded rotor base and the welded rotor steel cover are not accurately placed, and the quality and the production efficiency of a rotor finished product after later welding are directly influenced.
Therefore, a special welding fixture with high efficiency, accurate positioning and safe use is needed to solve the problems.
Disclosure of Invention
The invention aims to provide a motor rotor welding fixture which improves the safety of operation through partition operation and can conveniently purify and separate and protect smoke generated during welding operation.
In order to solve the technical problems, the invention provides a motor rotor welding fixture which comprises a base plate, wherein a driving device is fixedly arranged on the base plate, a welding seat is arranged on a piston rod of the driving device, a side wall at one end of the welding seat is fixedly connected with the piston rod of the driving device, a welding zone is arranged on the top surface at the other end of the welding seat and comprises a first station area and a second station area which are arranged in parallel, welding positioning devices are arranged in the first station area and the second station area, a protective cover is arranged outside the welding seat and is in a U-shaped opening shape, two ends of the U-shaped opening of the protective cover are fixedly arranged on the top surface of the base plate, the welding seat moves back and forth between the inside and the outside of the U-shaped opening of the protective cover under the action of the driving device, a pressing device is arranged in the U-shaped opening of the protective cover and comprises a pressing air cylinder, the pressing air cylinder is fixedly arranged on the base plate on one side of the welding seat, the piston rod of the pressing cylinder is fixedly provided with a pressing assembly, when the welding seat moves into the U-shaped opening of the protective cover, the pressing assembly corresponds to the welding positioning device in the first station area, and the top of the U-shaped opening of the protective cover is also provided with two feeding grooves which correspond to the welding positioning devices one by one respectively.
Preferably, the welding positioning device comprises a motor, the motor is arranged on the bottom surface of the welding seat, an output shaft of the motor movably penetrates through the welding seat, a cylindrical rotor positioning base is fixedly arranged on the output shaft of the motor, a positioning shaft is coaxially arranged on the top surface of the cylindrical rotor positioning base, a rotor positioning top seat is sleeved outside the positioning shaft and is connected to the top surface of the cylindrical rotor positioning base through a plurality of connecting bolts, the rotor positioning top seat is of a cylindrical structure, a rotor positioning groove is coaxially arranged at the central position of the top surface of the rotor positioning top seat, two compression rod grooves are uniformly distributed on the peripheral wall of the rotor positioning top seat and are communicated with the rotor positioning groove, two compression rod seats are uniformly distributed on the peripheral wall of the rotor positioning top seat, the compression rod seats correspond to the compression rod grooves one to one, one end of each compression rod seat is fixedly arranged on the peripheral wall of the rotor positioning top seat, the other end of the pressing rod seat is movably provided with a pressing rod, the pressing rods correspond to the pressing rod grooves in the vertical direction and are parallel to the top surface of the rotor positioning top seat, a rotor to be welded is placed in the rotor positioning groove in the center of the rotor positioning top seat and then sleeved outside the positioning shaft, and the two positions of the rotor to be welded, which are symmetrical to each other, can be clamped and fixed through the pressing rods, so that the stability of the rotor to be welded in the rotor positioning groove is improved.
Preferably, the pressing rod comprises a main rod body, the main rod body movably penetrates through the vertical end of the pressing rod seat, a rolling part is movably arranged at one end of the main rod body, an adjusting spring is sleeved outside one end of the main rod body, two ends of the adjusting spring are respectively and fixedly arranged at the vertical end of the pressing rod seat and one end of the main rod body and close to the peripheral wall of the notch groove, the other end of the main rod body is of an external threaded rod structure, a plurality of locking nuts are connected to the outer part of the other end of the main rod body in a threaded manner, a ball head is fixedly arranged at the other end of the main rod body, the peripheral wall of the rotor to be welded is in contact with the rolling part, the peripheral wall of the rotor to be welded extrudes the rolling part, the rolling part moves towards the direction close to the vertical end of the pressing rod seat, the adjusting spring is compressed, and generates a reaction force, so that the rotor to be welded can be clamped and fixed in the rotor positioning groove, facilitating laser welding.
Preferably, the one end of the principal axis body is provided with the breach groove, and rolling part rotates and sets up in the breach inslot, and rolling part is corresponding from top to bottom with the position in compressing tightly the pole groove, and rolling part is one of rolling shaft or rolling spheroid, treats that the periphery wall and the rolling part of welding rotor contact, and treats that the periphery wall of welding rotor extrudees rolling part, makes rolling part all move to the direction of being close to the vertical end of compressing tightly the pole seat, compresses adjusting spring simultaneously, and adjusting spring produces reaction force, can will treat that welding rotor presss from both sides tightly to fix in the rotor positioning groove, be convenient for carry out laser welding.
Preferably, compress tightly the subassembly and include the depression bar, the fixed setting of one end of depression bar is on compressing tightly the piston rod of cylinder, the other end of depression bar is provided with the arc open slot, when the weld holder is located the U-shaped opening of safety cover, the arc open slot is corresponding from top to bottom with the position of location axle, a plurality of compression columns of circumference equipartition along the arc open slot on the other end of depression bar, and the fixed setting on the other end of depression bar of one end of compression column, the other end of compression column is provided with the pressure disk, still be provided with the cushion on the one end bottom surface of depression bar, the cushion contacts with compressing tightly the cylinder, be convenient for treat that welding rotor presss from both sides tightly to fix after in the rotor positioning groove, start compressing tightly the cylinder and drive the depression bar and to treating that welding rotor direction removes, the pressure disk can compress tightly and fix in the rotor positioning groove with treating welding rotor, be convenient for carry out laser welding as required.
Preferably, still be provided with the board groove on the bottom plate, the board groove is corresponding with the position of welding seat, and the motor is located the board inslot, is convenient for when not carrying out welding operation, and when starting drive arrangement and driving the welding seat and accomodate in the U-shaped opening of safety cover, the motor can be at board inslot and welding seat synchronous motion, can not produce the interference.
Preferably, the one end of location axle is fixed to be set up on the top surface of cylindric rotor positioning base, and the other end of location axle is located the rotor positioning groove, and the rotor positioning groove is cylindrical cell body, and location axle and rotor positioning groove coaxial line, be convenient for treat that the welding rotor can with location axle and rotor positioning groove coaxial line after placing in the rotor positioning groove, be favorable to driving cylindric rotor positioning base, location axle and rotor positioning footstock synchronous rotation through the motor for can treat the welding rotor and accomplish laser welding.
Preferably, still fixedly on the casing of motor be provided with the mounting panel, be provided with a plurality of connecting screw on the mounting panel, the mounting panel passes through a plurality of connecting screw and connects on the bottom surface of welded seat, is convenient for install and dismantle the motor from the bottom surface of welded seat to install, maintain and change cylindric rotor location base, rotor location footstock or motor.
The invention has the beneficial effects that:
(1) the welding seat is driven by the driving device to move in a reciprocating manner, so that the workpiece picking and welding operation of the motor rotor before and after welding are respectively carried out in different areas, the operation areas are distinguished, and the operation safety is effectively improved;
(2) due to the arrangement of the welding positioning device, the rotor can be accurately positioned before welding, and efficient and high-precision welding is realized;
(3) the arrangement of the protective cover not only improves the safety of operation, but also can play a role in protection during welding, so that the smoke generated during welding is concentrated, is not easy to be emitted into the external environment and easy to be collected, and the smoke generated during welding operation can be purified and protected in a blocking way;
(4) the position of the locking nut on the other end of the main rod body is adjusted, so that the distance between the rolling parts on the two main rod bodies can be adjusted, and the clamping force on the rotor can be adjusted conveniently according to needs.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a welding fixture for a motor rotor according to the present invention;
FIG. 2 is a schematic structural diagram of a welding fixture for a motor rotor without a protective cover;
FIG. 3 is a schematic structural view of a welding positioning device of the welding fixture for the motor rotor according to the present invention;
fig. 4 is a schematic structural view of a pressing rod of the welding fixture for the motor rotor according to the present invention;
FIG. 5 is a schematic view of a position of a positioning shaft of the welding fixture for a motor rotor according to the present invention;
FIG. 6 is a schematic structural diagram of a pressing assembly of the welding fixture for the motor rotor according to the present invention;
the reference signs are: 1. a base plate; 11. a drive device; 12. welding a base; 121. a welding zone; 1211. a first station area; 1212. a second station area; 13. a protective cover; 131. a feed chute; 2. welding a positioning device; 21. a motor; 211. mounting a plate; 22. a cylindrical rotor positioning base; 23. positioning the shaft; 24. a connecting bolt; 25. a rotor positioning footstock; 251. positioning a rotor groove; 252. a compression bar slot; 26. a compression rod seat; 27. a compression bar; 271. a main rod body; 272. a notch groove; 273. a rolling member; 274. adjusting the spring; 275. locking the nut; 276. a ball head; 3. a pressing device; 31. a pressing cylinder; 32. a compression assembly; 321. a pressure lever; 322. an arc-shaped open slot; 323. pressing the column; 3231. a platen; 324. cushion blocks; 4. and (4) plate grooves.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-6, a welding fixture for a motor rotor in this embodiment includes a base plate 1, a driving device 11 is fixedly disposed on the base plate 1, a welding seat 12 is disposed on a piston rod of the driving device 11, a side wall of one end of the welding seat 12 is fixedly connected to the piston rod of the driving device 11, a welding region 121 is disposed on a top surface of the other end of the welding seat 12, the welding region 121 includes a first station region 1211 and a second station region 1212 that are disposed side by side, welding and positioning devices 2 are disposed in the first station region 1211 and the second station region 1212, a protection cover 13 is disposed outside the welding seat 12, the protection cover 13 is U-shaped and open, two ends of the U-shaped opening of the protection cover 13 are fixedly disposed on the top surface of the base plate 1, the welding seat 12 reciprocates between inside and outside the U-shaped opening of the protection cover 13 under the action of the driving device 11, a compressing device 3 is disposed in the U-shaped opening of the protection cover 13, the pressing device 3 comprises a pressing cylinder 31, the pressing cylinder 31 is fixedly arranged on the bottom plate 1 on one side of the welding seat 12, a pressing assembly 32 is fixedly arranged on a piston rod of the pressing cylinder 31, when the welding seat 12 moves into the U-shaped opening of the protection cover 13, the pressing assembly 32 corresponds to the welding positioning device 2 in the first station area 1211, and two feeding grooves 131 which correspond to the welding positioning devices 2 one to one are further formed in the top of the U-shaped opening of the protection cover 13.
The welding positioning device 2 comprises a motor 21, the motor 21 is arranged on the bottom surface of the welding seat 12, an output shaft of the motor 21 movably penetrates through the welding seat 12, a cylindrical rotor positioning base 22 is fixedly arranged on the output shaft of the motor 21, a positioning shaft 23 is coaxially arranged on the top surface of the cylindrical rotor positioning base 22, a rotor positioning top seat 25 is sleeved outside the positioning shaft 23, the rotor positioning top seat 25 is connected to the top surface of the cylindrical rotor positioning base 22 through a plurality of connecting bolts 24, the rotor positioning top seat 25 is of a cylindrical structure, a rotor positioning groove 251 is coaxially arranged at the central position of the top surface of the rotor positioning top seat 25, two compression bar grooves 252 are uniformly distributed on the peripheral wall of the rotor positioning top seat 25, the two compression bar grooves 252 are communicated with the rotor positioning groove 251, the two compression bar seats 26 are uniformly distributed on the peripheral wall of the rotor positioning top seat 25, the compression bar seats 26 are in one-to one correspondence with the compression bar grooves 252, one end of the pressing rod seat 26 is fixedly disposed on the outer peripheral wall of the rotor positioning top seat 25, a pressing rod 27 is movably disposed at the other end of the pressing rod seat 26, the pressing rod 27 corresponds to the pressing rod groove 252 up and down, and is parallel to the top surface of the rotor positioning top seat 25, so that a rotor to be welded can be conveniently placed in the rotor positioning groove 251 at the central position of the rotor positioning top seat 25 and sleeved outside the positioning shaft 23, two positions of the rotor to be welded, which are symmetrical to each other, can be clamped and fixed by the pressing rod 27, and stability of the rotor to be welded in the rotor positioning groove 251 is improved, the pressing rod 27 includes a main rod body 271, the main rod body 271 movably penetrates through the vertical end of the pressing rod seat 26, a rolling member 273 is movably disposed at one end of the main rod body 271, an adjusting spring 274 is sleeved outside one end of the main rod body 271, and two ends of the adjusting spring 274 are fixedly disposed at the vertical end of the pressing rod seat 26 and one end of the main rod body 271, And is close to the peripheral wall of the notched groove 272, the other end of the main rod body 271 is a structure of an external screw thread rod, and the outer thread of the other end of the main rod body 271 is connected with a plurality of lock nuts 275, the other end of the main rod body 271 is also fixedly provided with a ball head 276, when the rotor to be welded is placed in the rotor positioning groove 251 at the central position of the rotor positioning top seat 25, the peripheral wall of the rotor to be welded is contacted with the rolling part 273, and the peripheral wall of the rotor to be welded extrudes the rolling part 273, so that the rolling part 273 moves towards the direction close to the vertical end of the pressing rod seat 26, and simultaneously the adjusting spring 274 is compressed, the adjusting spring 274 generates a reaction force, namely, the rotor to be welded can be clamped and fixed in the rotor positioning groove 251 for facilitating laser welding, one end of the main rod body 271 is provided with the notched groove 272, the rolling part 273 is rotatably arranged in the notched groove 272, and the position of the rolling part 273 corresponds to the pressing rod groove 252 up and down, the rolling part 273 is one of a rolling shaft or a rolling ball, the outer peripheral wall of the rotor to be welded is in contact with the rolling part 273, and the outer peripheral wall of the rotor to be welded extrudes the rolling part 273, so that the rolling part 273 moves towards the direction close to the vertical end of the pressing rod seat 26, and simultaneously the adjusting spring 274 is compressed, the adjusting spring 274 generates a reaction force, so that the rotor to be welded can be clamped and fixed in the rotor positioning groove 251 for laser welding, the pressing component 32 comprises a pressing rod 321, one end of the pressing rod 321 is fixedly arranged on a piston rod of the pressing cylinder 31, the other end of the pressing rod 321 is provided with an arc-shaped opening groove 322, when the welding seat 12 is positioned in a U-shaped opening of the protective cover 13, the positions of the arc-shaped opening groove 322 and the positioning shaft 23 correspond up and down, a plurality of pressing columns 323 are uniformly distributed on the other end of the pressing rod 321 along the circumferential direction of the arc-shaped opening groove 322, and one end of the pressing column 323 is fixedly arranged on the other end of the pressing rod 321, the other end of the pressure column 323 is provided with a pressure plate 3231, a cushion block 324 is further arranged on the bottom surface of one end of the pressure rod 321, the cushion block 324 is in contact with the pressure cylinder 31, so that after the rotor to be welded is clamped and fixed in the rotor positioning groove 251, the pressure cylinder 31 is started to drive the pressure rod 321 to move towards the rotor to be welded, the pressure plate 3231 can tightly press and fix the rotor to be welded in the rotor positioning groove 251 to facilitate laser welding according to requirements, the bottom plate 1 is further provided with a plate groove 4, the position of the plate groove 4 corresponds to that of the welding seat 12, and the motor 21 is located in the plate groove 4, so that when the welding operation is not performed, the driving device 11 is started to drive the welding seat 12 to be accommodated in the U-shaped opening of the protective cover 13, the motor 21 can synchronously move with the welding seat 12 in the plate groove 4 without interference, one end of the positioning shaft 23 is fixedly arranged on the top surface of the cylindrical rotor positioning base 22, the other end of location axle 23 is located rotor positioning groove 251, rotor positioning groove 251 is cylindrical cell body, and location axle 23 and rotor positioning groove 251 coaxial line, be convenient for treat that the welding rotor can be coaxial line with location axle 23 and rotor positioning groove 251 after placing in rotor positioning groove 251, be favorable to driving cylindric rotor positioning base 22 through motor 21, location axle 23 and rotor location footstock 25 synchronous revolution, make can treat the welding rotor and accomplish laser welding, still the fixed mounting panel 211 that is provided with on the casing of motor 21, be provided with a plurality of connecting screw on the mounting panel 211, the mounting panel 211 passes through a plurality of connecting screw and connects on the bottom surface of weld holder 12, be convenient for install and dismantle motor 21 from the bottom surface of weld holder 12, so that install, maintain and change cylindric rotor positioning base 22, rotor location footstock 25 or motor 21.
The working principle of the invention is as follows: before operation, the driving device 11 is started, the driving device 11 can be a device such as an air cylinder or an oil cylinder, and the like, the welding seat 12 is pushed to the outside of the protective cover 13, the first station area 1211 and the second station area 1212 are both positioned outside the protective cover 13, then the two rotors to be welded are respectively placed in the welding positioning device 2 at the corresponding positions in the first station area 1211 and the second station area 1212, the rotors to be welded in the first station area 1211 are in a state that the rotor seat and the rotor steel cover are not welded at two ends, and then the rotor seat is placed at the corresponding position on the rotors to be welded; meanwhile, the to-be-welded rotor in the second station area 1212 is in a state of being welded with the rotor seat and has no welded rotor steel cover, and the rotor steel cover is placed at a corresponding position on the to-be-welded rotor, and the rotor steel cover and the rotor seat are respectively positioned above and below the to-be-welded rotor, so that the feeding is completed; starting the driving device 11, pulling the welding seat 12 to the inside of the protection cover 13, wherein the first station area 1211 and the second station area 1212 are both located inside the protection cover 13, laser welding of the rotor seat of the rotor to be welded in the first station area 1211 and the rotor steel cover of the rotor to be welded in the second station area 1212 can be completed inside the protection cover 13, after the welding is completed, starting the driving device 11 again, pushing the welding seat 12 to the outside of the protection cover 13, and directly taking down the rotor which is welded with the rotor seat and the rotor steel cover in the second station area 1212; meanwhile, the welding of the rotor seat is completed in the first station area 1211, the rotor welded with the rotor seat in the first station area 1211 is turned over by 180 degrees and is placed into the welding and positioning device 2 in the second station area 1212, and the rotor steel cover is placed at a corresponding position; then, the rotor to be welded without welding the rotor seat and the rotor steel cover is placed in the welding and positioning device 2 in the first station area 1211, the rotor seat is placed at the corresponding position on the rotor to be welded, and the driving device 11 pulls the welding seat 12 to the inside of the protective cover 13, so that the circulating operation can be carried out; when a rotor to be welded is placed in the welding and positioning device 2, that is, when the rotor to be welded is placed in the rotor positioning groove 251 at the center of the rotor positioning top seat 25, the positioning shaft 23 can pass through the center of the rotor to be welded, the shape of the positioning shaft 23 can be made to be adaptive to the shape of the center of the rotor to be welded, so that the rotor to be welded can be placed in the rotor positioning groove 251 more stably, at this time, the outer peripheral wall of the rotor to be welded is in contact with the rolling part 273, and the outer peripheral wall of the rotor to be welded extrudes the rolling part 273, so that the rolling part 273 moves towards the direction close to the vertical end of the pressing rod seat 26, the adjusting spring 274 is compressed, the adjusting spring 274 generates a reaction force, so that the rotor to be welded can be clamped and fixed in the rotor positioning groove 251, so that laser welding can be performed, and the position of the locking nut 275 can be adjusted at the other end of the main rod body 271, thereby the distance between the rolling parts 273 on the two main rod bodies 271 can be adjusted, and the clamping force on the rotor can be conveniently adjusted according to the requirement; when the rotor base or the rotor steel cover and the rotor to be welded need to be pressed tightly, the pressing cylinder 31 can be started to drive the pressing rod 321 to move towards the rotor to be welded, the pressing disc 3231 can be pressed on the rotor base or the rotor steel cover, and the pressing between the rotor base or the rotor steel cover and the rotor to be welded in the rotor positioning groove 251 can be realized through the pressing disc 3231; the pressing device 3 can work in cooperation with the motor 21, when the position corresponding to the laser welding device is welded, the motor 21 can drive the cylindrical rotor positioning base 22 to rotate, so that the welding position of the rotor is adjusted, the pressing device 3 is started after the adjustment is finished, and the laser welding device can continue to perform welding operation; the top of the U-shaped opening of the protective cover 13 is provided with two feeding grooves 131 which are respectively in one-to-one correspondence with the welding positioning devices 2, so that the welding base 12 can be kept to move freely and smoothly when being pulled or pushed by the driving device 11 to move, and the protective cover 13 cannot interfere with the rotor to be welded; the laser welding device in the protection cover 13 can be used for correspondingly setting the positions of a first station area 1211 and a second station area 1212 of the welding seat 12 pulled into the protection cover 13 according to the driving device 11, and the protection cover 13 can play a role in protection during welding, so that smoke generated during welding is concentrated, is not easy to diffuse into the external environment, is easy to collect, and can play a role in purifying and blocking the smoke generated during welding operation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an electric motor rotor welding jig which characterized in that: comprises a bottom plate (1), a driving device (11) is fixedly arranged on the bottom plate (1), a welding seat (12) is arranged on a piston rod of the driving device (11), a side wall at one end of the welding seat (12) is fixedly connected with the piston rod of the driving device (11), a welding area (121) is arranged on the top surface at the other end of the welding seat (12), the welding area (121) comprises a first station area (1211) and a second station area (1212) which are arranged in parallel, welding positioning devices (2) are respectively arranged in the first station area (1211) and the second station area (1212), a protective cover (13) is arranged outside the welding seat (12), the protective cover (13) is in a U-shaped opening shape, two ends of a U-shaped opening of the protective cover (13) are fixedly arranged on the top surface of the bottom plate (1), the welding seat (12) reciprocates between the inside and the outside of the U-shaped opening of the protective cover (13) under the action of the driving device (11), a pressing device (3) is arranged in a U-shaped opening of the protective cover (13), the pressing device (3) comprises a pressing cylinder (31), the pressing cylinder (31) is fixedly arranged on a bottom plate (1) on one side of the welding seat (12), a pressing assembly (32) is fixedly arranged on a piston rod of the pressing cylinder (31), when the welding seat (12) moves into the U-shaped opening of the protective cover (13), the pressing assembly (32) corresponds to the welding positioning device (2) in the first station area (1211) in position, the top of the U-shaped opening of the protective cover (13) is also provided with two feeding grooves (131) which respectively correspond to the welding positioning devices (2) one by one, the welding positioning device (2) comprises a motor (21), the motor (21) is arranged on the bottom surface of the welding seat (12), an output shaft of the motor (21) movably penetrates through the welding seat (12), and a cylindrical rotor positioning base (22) is fixedly arranged on the output shaft of the motor (21), the top surface of the cylindrical rotor positioning base (22) is coaxially provided with a positioning shaft (23), the outside of the positioning shaft (23) is sleeved with a rotor positioning top seat (25), the rotor positioning top seat (25) is connected to the top surface of the cylindrical rotor positioning base (22) through a plurality of connecting bolts (24), the rotor positioning top seat (25) is of a cylindrical structure, the central position of the top surface of the rotor positioning top seat (25) is coaxially provided with a rotor positioning groove (251), the peripheral wall of the rotor positioning top seat (25) is uniformly provided with two compression rod grooves (252), the two compression rod grooves (252) are communicated with the rotor positioning groove (251), the peripheral wall of the rotor positioning top seat (25) is uniformly provided with two compression rod seats (26), the compression rod seats (26) are in one-to-one correspondence with the compression rod grooves (252), one end of each compression rod seat (26) is fixedly arranged on the peripheral wall of the rotor positioning top seat (25), the other vertical end of the pressing rod seat (26) is movably provided with a pressing rod (27), the pressing rods (27) respectively correspond to the pressing rod groove (252) up and down, and is parallel to the top surface of the rotor positioning top seat (25), the pressing rod (27) comprises a main rod body (271), the main rod body (271) movably penetrates through the vertical end of the pressing rod seat (26), one end of the main rod body (271) is movably provided with a rolling part (273), one end of the main rod body (271) is sleeved with an adjusting spring (274), and both ends of the adjusting spring (274) are respectively fixed on the vertical end of the pressing rod seat (26) and one end of the main rod body (271) and close to the outer peripheral wall of the notch groove (272), the other end of the main rod body (271) is in an external thread rod structure, and the outer part of the other end of the main rod body (271) is connected with a plurality of locking nuts (275) in a threaded manner, and the other end of the main rod body (271) is also fixedly provided with a ball head (276).
2. The welding fixture for the motor rotor according to claim 1, wherein one end of the main rod body (271) is provided with a notch groove (272), the rolling part (273) is rotatably arranged in the notch groove (272), the position of the rolling part (273) corresponds to the position of the pressing rod groove (252) up and down, and the rolling part (273) is one of a rolling shaft or a rolling ball.
3. The electric machine rotor welding jig of claim 1, characterized in that: compress tightly subassembly (32) including depression bar (321), the one end of depression bar (321) is fixed to be set up on the piston rod that compresses tightly cylinder (31), the other end of depression bar (321) is provided with arc open slot (322), when weld holder (12) are located the U-shaped opening of safety cover (13), arc open slot (322) are corresponding from top to bottom with the position of location axle (23), a plurality of compression columns (323) of circumference equipartition along arc open slot (322) on the other end of depression bar (321), and the one end of compression column (323) is fixed to be set up on the other end of depression bar (321), the other end of compression column (323) is provided with pressure disk (3231), still be provided with cushion (324) on the one end bottom surface of depression bar (321), cushion (324) contact with compressing tightly cylinder (31).
4. The electric machine rotor welding jig of claim 1, characterized in that: the bottom plate (1) is also provided with a plate groove (4), the position of the plate groove (4) corresponds to that of the welding seat (12), and the motor (21) is positioned in the plate groove (4).
5. The electric machine rotor welding jig of claim 1, characterized in that: one end of the positioning shaft (23) is fixedly arranged on the top surface of the cylindrical rotor positioning base (22), the other end of the positioning shaft (23) is positioned in the rotor positioning groove (251), the rotor positioning groove (251) is a cylindrical groove body, and the positioning shaft (23) and the rotor positioning groove (251) share the same axis.
6. The electric machine rotor welding jig of claim 5, characterized by: still fixedly on the casing of motor (21) be provided with mounting panel (211), be provided with a plurality of connecting screw on mounting panel (211), mounting panel (211) are through a plurality of connecting screw connection on the bottom surface of welded seat (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011632989.XA CN112846501B (en) | 2020-12-31 | 2020-12-31 | Motor rotor welding jig |
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|---|---|---|---|
| CN202011632989.XA CN112846501B (en) | 2020-12-31 | 2020-12-31 | Motor rotor welding jig |
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| CN112846501A CN112846501A (en) | 2021-05-28 |
| CN112846501B true CN112846501B (en) | 2022-06-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114603256B (en) * | 2022-03-17 | 2023-05-19 | 山东元鸿智能科技有限公司 | A laser welding device for DC motor rotor |
| CN119175522B (en) * | 2024-11-26 | 2025-02-07 | 深圳市威科达科技有限公司 | A motor rotor welding fixture using VA controller |
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