CN216632979U

CN216632979U - Spot welding machine for motor manufacturing

Info

Publication number: CN216632979U
Application number: CN202220080204.0U
Authority: CN
Inventors: 任昆明; 崔学国; 曹志臣
Original assignee: Changzhi Shentong Explosion Proof Motor Repair And Construction Co ltd
Current assignee: Changzhi Shentong Explosion Proof Motor Repair And Construction Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-31
Anticipated expiration: 2032-01-12

Abstract

The utility model relates to the technical field of motor manufacturing, and discloses a spot welding machine for motor manufacturing, which comprises a bottom plate and a motor box, wherein a motor is fixedly arranged in the motor box, a fixing shell is fixedly arranged at the output end of the motor, a clamping block is movably arranged in the fixing shell, a guide block is fixedly arranged at one end, far away from a first limiting block, of the clamping block, and a first spring is fixedly arranged between the end face, close to the fixing shell, of the clamping block and the fixing shell. According to the utility model, the rotor rotating shafts with different diameters are inserted into the guide blocks, the rotor rotating shafts can easily enter the position between the two groups of clamping blocks under the guide of the arc-shaped surfaces of the guide blocks, the clamping blocks are tightly attached to the rotor rotating shafts by the aid of elastic force generated by the two groups of first springs, and friction force between the clamping blocks and the non-slip mats is increased by means of matching of the non-slip mats, so that the rotor can better rotate along with the fixed shell to facilitate spot welding, the effect of well fixing the rotors with the rotating shafts with different diameters is realized, and the application range of equipment is enlarged.

Description

Spot welding machine for motor manufacturing

Technical Field

The utility model relates to the technical field of motor manufacturing, in particular to a spot welding machine for manufacturing a motor.

Background

The spot welder adopts the principle of double-sided double-point overcurrent welding, when the spot welder works, two electrodes pressurize a workpiece to enable two layers of metal to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant heat welding is formed at the two contact resistance points, the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, the internal structure of the workpiece to be welded is not damaged, and a rotor winding needs to be welded with a commutator through the spot welder in the production process of a motor.

Through retrieval application number CN201821445355.1 discloses a spot welder of motor manufacturing usefulness, comprises a workbench, the top fixed mounting of workstation has the install bin, the top fixed mounting that the workstation is located the install bin right side has the fixing base, the outside fixed mounting of install bin has output motor, the inside wall rotation that output motor was kept away from to the install bin is connected with the regulation seat, output motor's output shaft runs through and extends to the inside of install bin, output motor is located the incomplete gear of the inside output shaft fixedly connected with of install bin, the one end of adjusting the seat runs through and extends to the outside of install bin, it is located the inside one side fixedly connected with bull stick of install bin to adjust the seat.

However, the inventor finds that the technical scheme still has at least the following defects:

the fixed bayonet on the adjusting seat of the scheme can not meet the fixing requirement on the rotating shafts of the rotors with different diameters, and the application range is small.

To this end, a spot welding machine for the production of electric machines is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems in the prior art and provides a spot welding machine for manufacturing a motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the spot welding machine for manufacturing the motor comprises a bottom plate and a motor box fixedly installed on the top end face of the bottom plate, the motor is fixedly installed in the motor box, the output end of the motor penetrates through the motor box and extends to the outer wall surface of the motor box, the output end of the motor is fixedly installed with a fixed shell, two groups of first limiting grooves are radially and symmetrically formed in the left end face of the inner wall of the fixed shell, first limiting blocks capable of radially sliding in the first limiting grooves are movably installed in the first limiting grooves, clamping blocks are fixedly installed on the right end faces of the first limiting blocks, one ends of the clamping blocks, far away from the first limiting blocks, are fixedly installed with guide blocks, and first springs are fixedly installed between the end faces of the clamping blocks, close to the fixed shell, and the fixed shell.

Preferably, one end, far away from the motor, of the fixing shell is hollowed out.

Preferably, one end of each group of clamping blocks, which is close to each other, is provided with an equilateral right-angled triangular groove, and the triangular grooves are positioned at the central line of the clamping blocks.

Preferably, the inner wall surfaces of the triangular grooves of the clamping blocks are fixedly provided with anti-slip pads, the anti-slip pads are made of rubber materials, and the anti-slip grooves are formed in the end surfaces, close to each other, of the two sets of anti-slip pads.

Preferably, the guide blocks are formed by radially bending one end of the clamping block, and the distance between the ends of the two groups of guide blocks far away from the clamping block is gradually increased.

As preferred, the position symmetry that the top terminal surface of bottom plate corresponds the motor case right-hand member sets up the second spacing groove of two sets of right-hand member face that runs through the bottom plate, second spacing inslot movable mounting has the second stopper that can slide from side to side in the second spacing inslot, and the right-hand member face fixed mounting of two sets of second stoppers has a backup pad, fixed mounting has the second spring between backup pad and the motor case, the backup pad is close to the terminal surface top terminal surface movable mounting of motor case and has the tight pulley that can wind self axis rotation, the guiding groove has been seted up at the center of tight pulley.

Preferably, a lifting rod is fixedly mounted on the side edge of the top end face of the bottom plate corresponding to the position between the fixing shell and the fixing wheel, and a spot welding head is fixedly mounted at the output end of the lifting rod.

Advantageous effects

The utility model provides a spot welding machine for manufacturing a motor. The method has the following beneficial effects:

(1) this spot welder of motor manufacturing usefulness, insert the rotor pivot of different diameters to the guide piece, can easily get into the position between two sets of clamp blocks under the guide of guide piece arcwall face, thereby it is coaxial with the output shaft of motor to block by the right angle triangular groove of clamp block messenger rotor is whole, simultaneously the elasticity that two sets of first springs produced makes the clamp block hug closely in the rotor pivot and increase the frictional force of clamp block and slipmat through the cooperation of slipmat, make the better fixed shell rotation of following of rotor make things convenient for spot welding, the realization can both be fine to the rotor that has the pivot of different diameters carry out fixed effect, the application range of equipment has been increased.

(2) This spot welder of motor manufacturing usefulness, insert the set casing in and by fixed back when the rotor pivot, pull out the backup pad from the second spacing inslot again, make the guiding groove aim at the other end of rotor pivot, because of the guiding groove is the round platform shape groove, the rotor pivot is finally kept coaxial with the guiding groove along the inclined plane slip of guiding groove behind the guiding inslot placement, the pulling force of second spring makes the tight pulley hug closely with the rotor pivot through the backup pad this moment, guaranteed that the rotor can both ends can both obtain fine support at the spot welding in-process, thereby avoid the rotor slope to make the phenomenon emergence of rotor winding and commutator rosin joint, reduce the rework rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of another embodiment of the present invention.

Illustration of the drawings:

1. a base plate; 2. a motor case; 3. a lifting rod; 4. a spot welding head; 5. a motor; 6. a stationary case; 7. a first limit groove; 8. a first stopper; 9. a clamping block; 10. a non-slip mat; 11. a guide block; 12. a first spring; 13. a second limit groove; 14. a second limiting block; 15. a support plate; 16. a second spring; 17. a fixed wheel; 18. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): a spot welding machine for manufacturing a motor is disclosed, as shown in figures 1-3, and comprises a bottom plate 1 and a motor box 2 fixedly installed on the top end face of the bottom plate 1, wherein the motor box 2 is a rectangular shell, a motor 5 is fixedly installed in the motor box 2, the motor 5 is of a conventional structure and is not in a tumor shape, the output end of the motor 5 penetrates through the motor box 2 and extends to the outer wall surface of the motor box 2, the output end of the motor 5 is fixedly installed with a fixed shell 6, the fixed shell 6 is a cylindrical shell with a hollow right end face, two groups of first limiting grooves 7 are radially and symmetrically arranged on the left end face of the inner wall of the fixed shell 6, the first limiting grooves 7 are trapezoidal grooves, a first limiting block 8 capable of sliding in the first limiting groove 7 in the radial direction is movably installed in the first limiting groove 7, the first limiting block 8 is a trapezoidal block, a clamping block 9 is fixedly installed on the right end face of the first limiting block 8, one end of the two groups of clamping blocks 9 close to each other is provided with a right-angle triangular groove, and the triangular groove is positioned at the central line position of the clamping block 9, the equal fixed mounting of triangular groove internal face of clamp splice 9 has slipmat 10, slipmat 10 is the piece of rubber material and the terminal surface that two sets of slipmats 10 are close to each other is provided with the non slipping groove, the one end fixed mounting that first stopper 8 was kept away from to clamp splice 9 has guide block 11, guide block 11 is formed by the radial bending of one end of clamp splice 9 and two sets of guide block 11 keep away from the distance between the one end of clamp splice 9 and increases gradually, fixed mounting has first spring 12 between clamp splice 9 is close to the terminal surface of set casing 6 and the set casing 6, first spring 12 is elastic spring.

The position symmetry that the top terminal surface of bottom plate 1 corresponds the right-hand member of motor case 2 has seted up two sets of second spacing grooves 13, second spacing groove 13 is trapezoidal groove and second spacing groove 13 runs through the right-hand member face of bottom plate 1, movable mounting has the second stopper 14 that can slide from side to side in second spacing groove 13 in the second spacing groove 13, second stopper 14 is the trapezoidal piece, the right-hand member face fixed mounting of two sets of second stoppers 14 has a backup pad 15, backup pad 15 is the T-shaped board, fixed mounting has second spring 16 between backup pad 15 and the motor case 2, second spring 16 is elastic spring and second spring 16 coincides with second spacing groove 13 on the horizontal projection, backup pad 15 is close to the terminal surface top terminal surface movable mounting of motor case 2 and has can wind the rotatory tight pulley 17 of self axis, tight pulley 17 is the circular slab, guiding groove 18 has been seted up at the center of tight pulley 17, guiding groove 18 is the round platform groove.

The side edge of the top end face of the bottom plate 1 is fixedly provided with a lifting rod 3 corresponding to the position between the fixed shell 6 and the fixed wheel 17, the lifting rod 3 is of an existing structure and does not need to be subjected to wart, the output end of the lifting rod 3 is fixedly provided with a spot welding head 4, and the spot welding head 4 is of an existing structure and does not need to be subjected to wart.

The working principle of the utility model is as follows: insert the rotor pivot of different diameters to guide block 11, can easily get into the position between two sets of clamp splice 9 under the guide of 11 arcwall faces of guide block, thereby it is coaxial with motor 5's output shaft to be blocked by the right triangle groove of clamp splice 9, thereby the elasticity that two sets of first springs 12 produced simultaneously makes clamp splice 9 hug closely in the rotor pivot and increase the frictional force of clamp splice 9 and slipmat 10 through the cooperation of slipmat 10, make the better convenient spot welding of 6 rotations of following set casing of rotor, the realization can both be fine to the rotor that has the pivot of different diameters effect of fixing, the application range of equipment has been increased.

When the rotor rotating shaft is inserted into the fixed shell 6 and fixed, the supporting plate 15 is pulled out from the second limiting groove 13, the guide groove 18 is aligned to the other end of the rotor rotating shaft, the guide groove 18 is a circular truncated cone-shaped groove, the rotor rotating shaft slides along the inclined plane of the guide groove 18 after being arranged in the guide groove 18 and finally keeps coaxial with the guide groove 18, at the moment, the fixed wheel 17 is tightly attached to the rotor rotating shaft through the supporting plate 15 by the tensile force of the second spring 16, the two ends of the rotor can be well supported in the spot welding process, the phenomenon that the rotor is inclined so that a rotor winding and a commutator are subjected to false welding is avoided, and the rework rate is reduced.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spot welder of motor manufacturing usefulness, includes bottom plate (1) and fixed mounting motor case (2) at bottom plate (1) top terminal surface, its characterized in that: fixed mounting has motor (5) in motor case (2), the output of motor (5) runs through motor case (2) and extends to the outer wall of motor case (2), the output fixed mounting of motor (5) has set casing (6), two sets of first spacing grooves (7) have been seted up to the inner wall left end face radial symmetry of set casing (6), movable mounting has first stopper (8) that can be in first spacing groove (7) internal diameter to gliding in first spacing groove (7), the right-hand member face fixed mounting of first stopper (8) has clamp splice (9), the one end fixed mounting that first stopper (8) were kept away from in clamp splice (9) has guide block (11), fixed mounting has first spring (12) between the terminal surface that clamp splice (9) is close to set casing (6) and set casing (6).

2. A spot welder for manufacturing electric motors according to claim 1, characterized in that: and one end, far away from the motor (5), of the fixed shell (6) is hollowed out.

3. A spot welder for manufacturing electric motors according to claim 1, characterized in that: one end of each group of clamping blocks (9) close to each other is provided with an equilateral right-angled triangular groove which is positioned at the central line of the clamping blocks (9).

4. A spot welder for manufacturing electric motors according to claim 3, characterized in that: the anti-skidding device is characterized in that anti-skidding pads (10) are fixedly mounted on the inner wall surfaces of the triangular grooves of the clamping blocks (9), the anti-skidding pads (10) are made of rubber materials, and anti-skidding grooves are formed in the end faces, close to each other, of the two sets of anti-skidding pads (10).

5. A spot welder for manufacturing electric motors according to claim 1, characterized in that: the guide blocks (11) are formed by radially bending one ends of the clamping blocks (9), and the distance between the ends, far away from the clamping blocks (9), of the two groups of guide blocks (11) is gradually increased.

6. A spot welder for manufacturing electric motors according to claim 1, characterized in that: the utility model discloses a motor case, including bottom plate (1), motor case (2), bottom plate (2), movable mounting has second spacing groove (13) that can run through the right-hand member face of bottom plate (1) in the symmetry of the top end face of bottom plate (1) corresponding motor case (2) right-hand member, movable mounting has second stopper (14) that can slide about in second spacing groove (13), and the right-hand member face fixed mounting of two sets of second stoppers (14) has a backup pad (15), fixed mounting has second spring (16) between backup pad (15) and motor case (2), terminal surface top face movable mounting that backup pad (15) are close to motor case (2) has can be around self axis rotation's tight pulley (17), guiding groove (18) have been seted up at the center of tight pulley (17).

7. A spot welder for manufacturing electric motors according to claim 6, characterized in that: the side edge of the top end face of the bottom plate (1) is fixedly provided with a lifting rod (3) corresponding to the position between the fixed shell (6) and the fixed wheel (17), and the output end of the lifting rod (3) is fixedly provided with a spot welding head (4).