CN111200347A

CN111200347A - Production, manufacturing and assembly machine for three-phase asynchronous motor

Info

Publication number: CN111200347A
Application number: CN202010154112.8A
Authority: CN
Inventors: 高峰; 王彦洲
Original assignee: 高峰
Current assignee: JIANGSU DAZHONG ELECTRIC MOTOR Co.,Ltd.
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-05-26
Anticipated expiration: 2040-03-07
Also published as: CN111200347B

Abstract

The invention belongs to the technical field of motor manufacturing, and particularly relates to an assembly machine for producing and manufacturing a three-phase asynchronous motor, which comprises a conveying base, wherein a conveying chute, a guide groove and a mounting seat are formed in the conveying base; the inner surface of the circular mounting disc is uniformly and fixedly provided with a limiting sleeve, and the circumferential surface of the circular mounting disc is provided with a fastening mechanism; a sliding column is arranged in the limiting sleeve, and an oiling mechanism is arranged on the limiting sleeve and the sliding column; three sliding rods perpendicular to the circular mounting disc are uniformly arranged on the outer end face of the sliding column along the circumferential direction of the sliding column, and balls are rotatably arranged at the outer ends of the sliding rods; a first return spring is fixedly arranged on the inner end face of the sliding rod. When the three-phase asynchronous motor is assembled by adopting the invention, the screw holes on the end cover and the shell can not deviate, and simultaneously, a layer of oil film is formed between the fastening bolt and the screw hole, thereby avoiding corrosion and improving the fastening effect.

Description

Production, manufacturing and assembly machine for three-phase asynchronous motor

Technical Field

The invention belongs to the technical field of motor manufacturing, and particularly relates to an assembly machine for producing and manufacturing a three-phase asynchronous motor.

Background

The three-phase asynchronous motor is one kind of induction motor, and is one kind of motor powered by 380V three-phase AC power supply, and is called three-phase asynchronous motor because the rotating magnetic fields of the rotor and the stator of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds and have slip ratio. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion.

Be provided with the screw that matches each other on three-phase asynchronous machine's the front and back end cover and the casing, when assembling, through the bolt with front and back end cover fixed mounting on the casing, this assembling process is usually gone on by the manual work, is about to three-phase asynchronous machine's casing place steadily, then handheld front and back end cover aligns the screw on front and back end cover and the casing, rotates the bolt again and installs the entering screw in. In the actual production process, the assembly mode has the following problems: (1) an operator needs to hold the end cover with one hand after aligning the end cover with the screw hole in the shell, and then uses a fastening tool to rotatably install the fastening bolt into the screw hole with the other hand, the end cover is difficult to be completely fixed with one hand in the process, the end cover is easy to deviate, so that the deviation of the screw hole in the end cover and the shell is caused, the screw thread is damaged in the process that the fastening bolt is screwed into the screw hole, and the fastening effect is greatly reduced; (2) after the three-phase asynchronous motor is used for a period of time in a severe natural environment, the screw holes in the end cover and the shell and the fastening bolts are rusted, so that the motor is difficult to detach and maintain in the later period, and the fastening effect can be reduced.

Disclosure of Invention

Technical problem to be solved

The invention provides an assembly machine for producing and manufacturing a three-phase asynchronous motor, aiming at solving the following problems existing in the prior art when front and rear end covers and a shell of the three-phase asynchronous motor are assembled manually: (1) an operator needs to hold the end cover with one hand after aligning the end cover with the screw hole in the shell, and then uses a fastening tool to rotatably install the fastening bolt into the screw hole with the other hand, the end cover is difficult to be completely fixed with one hand in the process, the end cover is easy to deviate, so that the deviation of the screw hole in the end cover and the shell is caused, the screw thread is damaged in the process that the fastening bolt is screwed into the screw hole, and the fastening effect is greatly reduced; (2) after the three-phase asynchronous motor is used for a period of time in a severe natural environment, the screw holes in the end cover and the shell and the fastening bolts are rusted, so that the motor is difficult to detach and maintain in the later period, and the fastening effect can be reduced.

(II) technical scheme

In order to solve the technical problems, the invention adopts the following technical scheme:

the production, manufacturing and assembly machine for the three-phase asynchronous motor comprises a horizontal conveying base, wherein supporting legs are vertically and fixedly mounted at the bottom of the conveying base. The upper surface of the conveying base is provided with a conveying chute matched with the motor shell base, the front end of the conveying chute is connected with the preorder assembly equipment, and the tail end of the conveying chute is connected with the postorder assembly equipment. The upper surface of the conveying base is positioned on two sides of the conveying chute, guide grooves parallel to the conveying chute are formed in the two sides of the conveying chute, two mounting seats are arranged in each guide groove in a sliding fit mode, and a mounting column is fixedly connected to each mounting seat in a vertical mode. The mounting plates are rotatably connected between the two opposite mounting columns and are perpendicular to the guide grooves when the mounting plates are in a vertical state. The inner surface of the mounting plate is rotatably provided with a round mounting plate parallel to the mounting plate. The outer surface of the mounting plate is provided with a fine adjustment mechanism connected with the mounting plate. And limiting mechanisms are arranged on the two sides of the mounting plate and the mounting columns. When the front end cover and the rear end cover of the three-phase asynchronous motor are assembled, the mounting plates are rotated upwards firstly, and the motor shell is pushed to the space between the two mounting plates from the conveying sliding grooves. The mounting plate is rotated to be in a vertical state and then limited by the limiting mechanism, so that the mounting plate is kept in the vertical state.

The inner surface of the circular mounting disc is evenly and fixedly provided with limiting sleeves along the circumferential direction of the circular mounting disc, and the number of the limiting sleeves perpendicular to the circular mounting disc is the same as that of the screw holes in the single side of the motor shell. When the circular mounting disc is in a vertical state, the position of the limiting sleeve corresponds to the screw hole position on one side of the motor shell one by one. And a fastening mechanism is arranged on the circumferential surface of the circular mounting disc corresponding to the position of the limiting sleeve. The limiting sleeve is internally provided with a sliding column which can move along the axial direction of the limiting sleeve, and the outer diameter of the sliding column is the same as the small diameter of the screw hole of the motor end cover and the screw hole of the motor shell. And an oiling mechanism is arranged on the limiting sleeve and the sliding column. The outer end face of the sliding column is evenly provided with three sliding rods perpendicular to the circular mounting disc along the circumferential direction, the outer ends of the sliding rods are rotatably provided with balls, and the balls are internally tangent to the cylindrical surface where the outer surface of the sliding column is located. And a first return spring vertical to the circular mounting disc is fixedly mounted on the inner end surface of the sliding rod. The screw holes of the front end cover and the rear end cover of the motor are sleeved in the sliding column, the front end cover and the rear end cover of the motor are pushed until the end covers abut against the limiting sleeve, and then the circular mounting disc is rotated, so that the outer end face of the sliding column roughly corresponds to the screw hole of the end cover of the motor. The motor end cover is driven to move towards the motor shell by pushing the mounting seat, and after the ball is abutted to the end face of the motor shell, the mounting seat is continuously pushed to drive the motor end cover to move until the ball pushes the sliding rod to compress the first return spring to the shortest state. Drive circular mounting disc through fine-tuning slowly and rotate, drive the ball simultaneously and roll on motor housing end face, until three slide bar and ball are all in getting into motor housing's screw under first reset spring's elastic force effect in, because the face of cylinder inscribe at ball and slide column surface place this moment, so circular mounting disc can't continue to rotate again under the limiting action of slide bar and ball, accomplished counterpoint and fixed to screw on motor end cover and the casing promptly. And (3) mounting the bolt on a fastening mechanism, screwing the fastening bolt into the screw holes of the motor shell and the end cover in sequence by the fastening mechanism in a rotating manner, and pushing the oiling mechanism to coat rust-proof oil on the surfaces of the screw holes of the motor shell and the end cover by the fastening bolt in the process.

As a preferable technical solution of the present invention, the fine adjustment mechanism includes a first gear, a second gear, and a knob. The first gear is rotatably installed on the outer surface of the installation plate, the first gear is fixedly connected with the circular installation plate, the axis of the first gear coincides with the axis of the circular installation plate, the second gear is rotatably installed on the outer surface of the installation plate and is meshed with the first gear, and the knob is fixedly installed on the end face of the second gear. The first gear has a larger diameter than the second gear. The knob is rotated to drive the second gear to rotate, the second gear drives the first gear to rotate, and the first gear drives the circular mounting disc to rotate. Because the diameter of the first gear is larger than that of the second gear, the rotating angle of the circular mounting disc can be finely adjusted by rotating the first gear.

As a preferable technical solution of the present invention, the limiting mechanism includes a first limiting rod, a spherical limiting block, a second return spring, a limiting groove, a second limiting rod, a roller, and a pressing block. First gag lever post horizontal sliding installs in mounting panel both sides, and first gag lever post outer end fixed mounting has spherical stopper, and first gag lever post inner fixed mounting has second reset spring. The inner side of the mounting column is provided with a limit groove matched with the spherical limit block. The mounting post is horizontally and slidably provided with two second limiting rods which are horizontal and perpendicular to the first limiting rods, the inner ends of the second limiting rods are hinged with idler wheels which are matched with the spherical limiting blocks in a rolling manner, and the outer ends of the second limiting rods are fixedly provided with pressing blocks. When the mounting plate is in a vertical state, the spherical limiting block is positioned in the limiting groove under the elastic action of the second reset spring, and the mounting plate is limited in the vertical state. When the mounting panel is rotated to needs, promote second gag lever post and gyro wheel in opposite directions through pressing the briquetting and move, the gyro wheel rolls on spherical stopper surface after conflicting spherical stopper surface to release the spacing groove with spherical stopper, the mounting panel can rotate.

As a preferable technical solution of the present invention, the fastening mechanism includes a rotating plate, a guide bar, a support plate, a sleeve, a third gear, a fourth gear, a first spiral guide groove, and a first guide block. The rotating plate is rotatably installed on the circumferential surface of the circular installation disc through a torsion spring, and the rotating plate is perpendicular to the surface of the circular installation disc in an initial state. Two parallel guide rods are arranged in the rotating plate in a sliding mode, and the outer ends of the guide rods are connected with a supporting plate perpendicular to the rotating plate. The outer end of the guide rod is in running fit with the support plate. The inner side of the supporting plate is rotatably provided with a sleeve which is perpendicular to the supporting plate and is mutually matched with the head of the fastening bolt. A third gear is fixedly installed on the guide rod, and a fourth gear meshed with the third gear is fixedly installed on the sleeve. A first spiral guide groove is formed in the rotating plate, and a first guide block in sliding fit with the first spiral guide groove is fixedly mounted on the guide rod. Rotate the mounting panel to vertical state in-process, promote the rotor plate and make the rotor plate be in with the parallel state of mounting panel, avoid producing the interference between fastening device and the motor casing. After the alignment of the motor end cover and the screw hole on the shell is finished, the rotating plate is loosened to restore the initial state, and the head of the fastening bolt is inserted into the sleeve. The supporting plate is pushed to drive the guide rod to move towards the inside of the rotating plate, and meanwhile, the fastening bolt is driven to move towards the inside of the screw hole of the motor shell. In the process that the guide rod moves towards the inside of the rotating plate, the first guide block moves along the first spiral guide groove, so that the guide rod is driven to rotate. The guide rod drives the third gear to rotate in the rotating process, and the third gear drives the fourth gear and the sleeve to rotate so as to drive the fastening bolt to rotate; until the fastening bolts connect the motor shell and the screw holes on the end cover together. In the process of installing the fastening bolt through the fastening mechanism, the supporting plate is pushed under the limiting effect of the guide rod, and the situation that the fastening effect is reduced due to the installation deviation of the fastening bolt cannot occur.

As a preferred technical scheme of the invention, the oiling mechanism comprises an oil storage tank, an oil inlet hole, an oil outlet hole, an oil passage and a third return spring. The oil storage tank is fixedly arranged on the outer side of the limiting sleeve, and an oil inlet hole for communicating the interior of the limiting sleeve with the oil storage tank is formed in the limiting sleeve. The oil outlet has been seted up to the surface of slip post, and the inside oil duct of intercommunication oil outlet and stop collar has been seted up to slip post. And a third return spring vertical to the circular mounting disc is fixedly mounted on the inner end face of the sliding column. Fastening bolt gets into the in-process of motor casing and end cover screw, and the thrust to the stop collar inside is applyed through slide bar and first reset spring to the slip post after the terminal surface contradicts the ball, and the slip post moves and compresses third reset spring to the stop collar inside under thrust effect. The inside fluid of stop collar passes through the oil duct and gets into the oil outlet to the surface of screw on contact motor casing and the end cover. After the fastening bolt is installed, the sliding column moves towards the outer side of the limiting sleeve under the elastic force action of the third return spring, and oil in the oil storage tank is sucked into the limiting sleeve through the oil inlet hole.

As a preferred technical scheme of the invention, the oiling mechanism comprises a sponge column, and the sponge column is filled in the oil outlet hole. Fluid is adsorbed by the sponge post after getting into the oil outlet through the oil duct, and the sponge post that has soaked fluid coats screw surface with fluid, has improved the homogeneity of oil film.

As a preferable technical scheme of the invention, the oiling mechanism further comprises a second spiral guide groove, a second guide block and a rotating block. The second spiral guide groove is formed in the inner side wall of the limiting sleeve, and the second guide block is fixedly installed on the outer side wall of the sliding column and is in sliding fit with the second spiral guide groove. The rotating block and the sliding column are coaxial and are rotatably arranged on the inner end surface of the limiting sleeve. The end part of the third return spring is fixedly connected to the rotating block. The sliding column moves towards the inner part of the limiting sleeve under the action of thrust, the second guide block moves along the second spiral guide groove, the sliding column is driven to rotate simultaneously, and the ball rolls on the end face of the fastening bolt. In the rotary motion process of the sliding column, the third reset spring drives the rotating block to rotate, and the screw holes in the motor shell and the end cover are coated with oil liquid in a rotating mode, so that the uniformity of an oil film is further improved, and the bolt and the screw holes are prevented from being corroded.

(III) advantageous effects

The invention has at least the following beneficial effects:

(1) when the front end cover, the rear end cover and the shell of the three-phase asynchronous motor are assembled by the three-phase asynchronous motor production assembly machine, the sliding column is inserted into the screw hole of the end cover to fix the end cover, and the sliding column is inserted into the screw hole of the shell to position the end cover, so that an operator does not need to hold the end cover in the whole process, the end cover is prevented from displacing in the vertical direction, the end cover and the screw hole in the shell are prevented from deviating in the whole assembly process, and the fastening effect is further ensured.

(2) When the three-phase asynchronous motor production, manufacturing and assembly machine is used for assembling the front end cover, the rear end cover and the shell of the three-phase asynchronous motor, the fastening bolt is pushed by the fastening bolt to continuously coat the anti-rust oil on the inner surfaces of the screw holes on the end cover and the shell in the process of screwing the fastening bolt into the screw holes on the end cover and the shell, so that an oil film is formed between the fastening bolt and the screw hole after the motor is assembled, the screw hole and the fastening bolt are prevented from being rusted in the later use process, the fastening effect is improved, and meanwhile, the later-period disassembly is facilitated for maintenance.

(3) When the three-phase asynchronous motor production, manufacturing and assembly machine is used for assembling the front end cover, the rear end cover and the shell of the three-phase asynchronous motor, the fastening bolts are installed through the fastening mechanisms, the supporting plate is pushed under the limiting action of the guide rods in the whole installation process, and the situation that the fastening effect is reduced due to installation deviation of the fastening bolts is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic first perspective view of a three-phase asynchronous motor manufacturing assembly machine according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a three-phase asynchronous motor production and manufacturing assembly machine a in the embodiment of the invention;

fig. 3 is a schematic second perspective view of a three-phase asynchronous motor manufacturing assembly machine according to an embodiment of the present invention;

fig. 4 is an enlarged schematic view of a three-phase asynchronous motor production and manufacturing assembly machine B according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the internal structure of an oiling mechanism of the assembly machine for manufacturing the three-phase asynchronous motor in the embodiment of the invention;

FIG. 6 is a schematic diagram of the internal structure of a limiting mechanism of an assembly machine for manufacturing and manufacturing three-phase asynchronous motors in the embodiment of the invention;

fig. 7 is a schematic diagram of the internal structure of the rotating plate of the assembly machine for producing and manufacturing the three-phase asynchronous motor in the embodiment of the invention.

In the figure: 1-conveying base, 2-conveying chute, 3-guide groove, 4-mounting base, 5-mounting column, 6-mounting plate, 7-circular mounting disc, 8-fine adjustment mechanism, 81-first gear, 82-second gear, 83-knob, 9-limiting mechanism, 91-first limiting rod, 92-spherical limiting block, 93-second reset spring, 94-limiting groove, 95-second limiting rod, 96-roller, 97-pressing block, 10-limiting sleeve, 11-fastening mechanism, 111-rotating plate, 112-guide rod, 113-supporting plate, 114-sleeve, 115-third gear, 116-fourth gear, 117-first spiral guide groove, 118-first guide block, 12-sliding column, 13-oiling mechanism, 131-oil storage tank, 132-oil inlet, 133-oil outlet, 134-oil channel, 135-third return spring, 136-sponge column, 137-second spiral guide groove, 138-second guide block, 139-rotating block, 14-sliding rod, 15-ball and 16-first return spring.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 7, the present embodiment provides a three-phase asynchronous motor production, manufacturing and assembly machine, which comprises a horizontal conveying base 1, wherein a supporting leg is vertically and fixedly installed at the bottom of the conveying base 1. The upper surface of the conveying base 1 is provided with a conveying chute 2 matched with the motor shell base, the front end of the conveying chute 2 is connected with a preorder assembly device, and the tail end of the conveying chute 2 is connected with a postorder assembly device. The upper surface of the conveying base 1 is positioned on two sides of the conveying chute 2 and is provided with guide grooves 3 parallel to the conveying chute 2, each guide groove 3 is internally matched with two mounting seats 4 in a sliding mode, and each mounting seat 4 is provided with a mounting column 5 which is fixedly connected vertically. The mounting plate 6 is rotatably connected between the two opposite mounting columns 5, and the mounting plate 6 is vertical to the guide groove 3 when in a vertical state. The inner surface of the mounting plate 6 is rotatably mounted with a circular mounting plate 7 parallel thereto. The outer surface of the mounting plate 6 is provided with a fine adjustment mechanism 8 connected to the mounting plate 6. And limiting mechanisms 9 are arranged on two sides of the mounting plate 6 and the mounting columns 5. When the front end cover and the rear end cover of the three-phase asynchronous motor are assembled, the mounting plates 6 are rotated upwards firstly, and the motor shell is pushed to the space between the two mounting plates 6 from the conveying chute 2. After the mounting plate 6 is rotated to be in a vertical state, the mounting plate 6 is limited through the limiting mechanism 9, and the mounting plate is kept in the vertical state.

The inner surface of the circular mounting disk 7 is uniformly and fixedly provided with limiting sleeves 10 along the circumferential direction, and the limiting sleeves 10 are perpendicular to the circular mounting disk 7 and the number of the limiting sleeves 10 is the same as that of the screw holes on the single side of the motor shell. When the circular mounting disc 7 is in a vertical state, the position of the limiting sleeve 10 corresponds to the screw hole position on one side of the motor shell one by one. A fastening mechanism 11 is arranged on the circumferential surface of the circular mounting disk 7 corresponding to the position of the limiting sleeve 10. The limiting sleeve 10 is internally provided with a sliding column 12 capable of moving along the axial direction of the limiting sleeve, and the outer diameter of the sliding column 12 is the same as the small diameter of a screw hole of a motor end cover and a screw hole of a motor shell. The stop collar 10 and the sliding column 12 are provided with an oiling mechanism 13. Three sliding rods 14 perpendicular to the circular mounting disc 7 are uniformly mounted on the outer end face of the sliding column 12 along the circumferential direction of the sliding column, balls 15 are rotatably mounted on the outer end of the sliding rods 14, and the balls 15 are internally tangent to the cylindrical surface where the outer surface of the sliding column 12 is located. A first return spring 16 perpendicular to the circular mounting plate 7 is fixedly mounted on the inner end surface of the slide bar 14.

In the present embodiment, the fine adjustment mechanism 8 includes a first gear 81, a second gear 82, and a knob 83. The first gear 81 is rotatably mounted on the outer surface of the mounting plate 6, the first gear 81 is fixedly connected with the circular mounting plate 7, the axis of the first gear is overlapped with that of the circular mounting plate, the second gear 82 is rotatably mounted on the outer surface of the mounting plate 6 and is meshed with the first gear 81, and the knob 83 is fixedly mounted on the end face of the second gear 82. The first gear 81 has a larger diameter than the second gear 82. The second gear 82 is driven to rotate by rotating the knob 83, the second gear 82 drives the first gear 81 to rotate, and the first gear 81 drives the circular mounting plate 7 to rotate. Since the first gear 81 has a larger diameter than the second gear 82, the rotation angle of the circular mounting plate 7 can be finely adjusted by rotating the first gear 81.

In this embodiment, the limiting mechanism 9 includes a first limiting rod 91, a spherical limiting block 92, a second return spring 93, a limiting groove 94, a second limiting rod 95, a roller 96 and a pressing block 97. First gag lever post 91 horizontal sliding mounting is in the 6 both sides of mounting panel, and first gag lever post 91 outer end fixed mounting has spherical stopper 92, and first gag lever post 91 inner fixed mounting has second reset spring 93. The inner side of the mounting column 5 is provided with a limit groove 94 which is matched with the spherical limit block 92. The mounting post 5 is provided with two second limiting rods 95 which are horizontal and perpendicular to the first limiting rods 91 in a sliding manner, the inner ends of the second limiting rods 95 are hinged with rollers 96 which are matched with the spherical limiting blocks 92 in a rolling manner, and the outer ends of the second limiting rods 95 are fixedly provided with pressing blocks 97. When the mounting plate 6 is in the vertical state, the spherical stopper 92 is positioned in the stopper groove 94 under the elastic force of the second return spring 93, and the mounting plate 6 is restricted in the vertical state. When the mounting plate 6 needs to be rotated, the pressing block 97 pushes the second limiting rod 95 and the roller 96 to move in opposite directions, the roller 96 pushes against the surface of the spherical limiting block 92 and then rolls on the surface of the spherical limiting block 92, the spherical limiting block 92 is pushed out of the limiting groove 94, and the mounting plate 6 can rotate.

In the present embodiment, the fastening mechanism 11 includes a rotating plate 111, a guide rod 112, a support plate 113, a sleeve 114, a third gear 115, a fourth gear 116, a first spiral guide groove 117, and a first guide block 118. The rotating plate 111 is rotatably mounted on the circumferential surface of the circular mounting plate 7 by a torsion spring, and the rotating plate 111 is perpendicular to the surface of the circular mounting plate 7 in an initial state. Two parallel guide rods 112 are slidably mounted in the rotating plate 111, and the outer ends of the guide rods 112 are connected with a support plate 113 perpendicular to the rotating plate 111. The outer ends of the guide rods 112 are rotatably engaged with the support plate 113. The inner side of the support plate 113 is rotatably mounted with a sleeve 114 perpendicular to the support plate 113 and cooperating with the head of the fastening bolt. A third gear 115 is fixedly mounted on the guide rod 112, and a fourth gear 116 engaged with the third gear 115 is fixedly mounted on the sleeve 114. A first spiral guide groove 117 is formed in the rotating plate 111, and a first guide block 118 in sliding fit with the first spiral guide groove 117 is fixedly installed on the guide rod 112. In the process of rotating the mounting plate 6 to the vertical state, the rotating plate 111 is pushed so that the rotating plate 111 is in a state parallel to the mounting plate 6, avoiding interference between the fastening mechanism 11 and the motor housing. After the alignment between the motor end cover and the screw hole on the housing is completed, the rotating plate 111 is loosened to restore the initial state, and the head of the fastening bolt is inserted into the sleeve 114. The support plate 113 is pushed to drive the guide rod 112 to move towards the inside of the rotating plate 111, and simultaneously drive the fastening bolt to move towards the inside of the screw hole of the motor shell. During the movement of the guide rod 112 into the rotating plate 111, the first guide block 118 moves along the first spiral guide groove 117, thereby rotating the guide rod 112. The guide rod 112 drives the third gear 115 to rotate in the rotating process, and the third gear 115 drives the fourth gear 116 and the sleeve 114 to rotate, so as to drive the fastening bolt to rotate; until the fastening bolts connect the motor shell and the screw holes on the end cover together. In the process of installing the fastening bolt through the fastening mechanism 11, the supporting plate 113 is pushed only under the limiting action of the guide rod 112, and the situation that the fastening effect is reduced due to the installation deviation of the fastening bolt cannot occur.

In the present embodiment, the oiling mechanism 13 includes an oil storage tank 131, an oil inlet 132, an oil outlet 133, an oil passage 134, and a third return spring 135. The oil storage tank 131 is fixedly arranged on the outer side of the limiting sleeve 10, and an oil inlet hole 132 for communicating the interior of the limiting sleeve 10 with the oil storage tank 131 is formed in the limiting sleeve. The outer surface of the sliding column 12 is provided with an oil outlet 133, and the sliding column 12 is internally provided with an oil passage 134 for communicating the oil outlet 133 with the inside of the stop collar 10. A third return spring 135 perpendicular to the circular mounting plate 7 is fixedly mounted on the inner end surface of the sliding column 12. In the process that the fastening bolt enters the motor shell and the end cover screw hole, the end face of the fastening bolt pushes against the ball 15 and then applies thrust to the inside of the stop collar 10 to the sliding column 12 through the sliding rod 14 and the first return spring 16, and the sliding column 12 moves towards the inside of the stop collar 10 under the action of the thrust and compresses the third return spring 135. Oil inside the stop collar 10 enters the oil outlet 133 through the oil passage 134 and contacts the surfaces of the threaded holes in the motor housing and the end cover. After the fastening bolt is installed, the sliding column 12 moves to the outside of the position limiting sleeve 10 by the elastic force of the third return spring 135, and sucks the oil in the oil storage tank 131 into the position limiting sleeve 10 through the oil inlet 132.

In this embodiment, the oiling mechanism 13 further includes a sponge column 136, and the sponge column 136 is filled in the oil outlet 133. Oil gets into behind the oil outlet 133 by the sponge post 136 absorption through oil duct 134, and the sponge post 136 that has soaked oil coats the screw surface with oil, has improved the homogeneity of oil film.

In this embodiment, the oiling mechanism 13 further includes a second spiral guide groove 137, a second guide block 138 and a rotating block 139. The second spiral guide groove 137 is opened on the inner side wall of the stop collar 10, and the second guide block 138 is fixedly installed on the outer side wall of the sliding column 12 and is in sliding fit with the second spiral guide groove 137. The rotating block 139 is coaxial with the sliding column 12 and is rotatably mounted on the inner end face of the stop collar 10. The end of the third return spring 135 is fixedly connected to the turning block 139. During the process that the sliding column 12 moves towards the inside of the stop collar 10 under the action of thrust, the second guide block 138 moves along the second spiral guide groove 137, and simultaneously drives the sliding column 12 to rotate, and the ball 15 rolls on the end face of the fastening bolt. In the process of the rotary motion of the sliding column 12, the third return spring 135 drives the rotating block 139 to rotate, and the screw holes on the motor shell and the end cover are coated with oil liquid in a rotating manner, so that the uniformity of an oil film is further improved, and the bolt and the screw hole are prevented from being rusted.

The specific working process of this embodiment is as follows: when the front end cover and the rear end cover of the three-phase asynchronous motor are assembled, the mounting plates 6 are rotated upwards firstly, and the motor shell is pushed to the space between the two mounting plates 6 from the conveying chute 2. The rotating plate 111 is pushed to enable the rotating plate 111 to be in a state parallel to the mounting plate 6, then the mounting plate 6 is rotated to be in a vertical state, and then the mounting plate 6 is limited through the limiting mechanism 9 to be kept in the vertical state. The rotating plate 111 is released to return to its original state, and the head of the fastening bolt is inserted into the sleeve 114. The screw holes of the front end cover and the rear end cover of the motor are sleeved into the sliding column 12, the front end cover and the rear end cover of the motor are pushed until the end covers abut against the limiting sleeve 10, and then the circular mounting disc 7 is rotated, so that the outer end face of the sliding column 12 roughly corresponds to the screw hole position of the end cover of the motor. The motor end cover is driven to move towards the motor shell by pushing the mounting seat 4, after the ball 15 abuts against the end face of the motor shell, the mounting seat 4 is continuously pushed to drive the motor end cover to move until the ball 15 pushes the sliding rod 14 to compress the first return spring 16 to the shortest state. The fine adjustment mechanism 8 drives the circular mounting disc 7 to slowly rotate, and meanwhile, the balls 15 are driven to roll on the end face of the motor shell until the three sliding rods 14 and the balls 15 all enter the screw holes of the motor shell under the elastic force action of the first return spring 16, at the moment, the balls 15 are internally tangent to the cylindrical surface where the outer surface of the sliding column 12 is located, so that the circular mounting disc 7 cannot continue to rotate under the limiting action of the sliding rods 14 and the balls 15, and the alignment and the fixation of the motor end cover and the screw holes in the shell are completed. And mounting the bolts on the fastening mechanisms 11, screwing the fastening bolts into the screw holes of the motor shell and the end cover in sequence by rotating the fastening mechanisms 11, and pushing the oiling mechanism 13 to coat the rust-proof oil on the surfaces of the screw holes of the motor shell and the end cover by the fastening bolts in the process. The support plate 113 is pushed to drive the guide rod 112 to move towards the inside of the rotating plate 111, and simultaneously drive the fastening bolt to move towards the inside of the screw hole of the motor shell. During the movement of the guide rod 112 into the rotating plate 111, the first guide block 118 moves along the first spiral guide groove 117, thereby rotating the guide rod 112. The guide rod 112 drives the third gear 115 to rotate in the rotating process, and the third gear 115 drives the fourth gear 116 and the sleeve 114 to rotate, so as to drive the fastening bolt to rotate; until the fastening bolts connect the motor shell and the screw holes on the end cover together. The rotating plate 111 is pushed to enable the rotating plate 111 to be in a state parallel to the mounting plate 6, and the mounting seat 4 is pushed to drive the circular mounting disc 7 to be away from the assembled motor until the sliding column 12 completely exits from the screw hole. And finally, the mounting plate 6 is rotated upwards, and the assembled motor is pushed from the conveying chute 2 to enter the next procedure.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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

1. The production manufacturing assembly machine of the three-phase asynchronous motor is characterized in that: the production, manufacturing and assembly machine of the three-phase asynchronous motor comprises a horizontal conveying base (1), wherein supporting legs are vertically and fixedly installed at the bottom of the conveying base (1); the upper surface of the conveying base (1) is provided with a conveying chute (2) which is matched with the motor shell base, the front end of the conveying chute (2) is butted with a preorder assembly device, and the tail end of the conveying chute (2) is butted with a postorder assembly device; guide grooves (3) parallel to the conveying sliding groove (2) are formed in the upper surface of the conveying base (1) and located on two sides of the conveying sliding groove (2), two mounting seats (4) are matched in each guide groove (3) in a sliding mode, and a mounting column (5) is vertically and fixedly connected to each mounting seat (4); an installation plate (6) is rotatably connected between the two opposite installation columns (5), and the installation plate (6) is vertical to the guide groove (3) when in a vertical state; the inner surface of the mounting plate (6) is rotatably provided with a circular mounting disc (7) parallel to the mounting plate; the outer surface of the mounting plate (6) is provided with a fine adjustment mechanism (8) connected with the mounting plate (6); limiting mechanisms (9) are arranged on the two sides of the mounting plate (6) and the mounting columns (5);

the inner surface of the round mounting disc (7) is uniformly and fixedly provided with limiting sleeves (10) along the circumferential direction of the inner surface, the limiting sleeves (10) are vertical to the round mounting disc (7), and the number of the limiting sleeves (10) is the same as that of screw holes on one side of the motor shell; when the circular mounting disc (7) is in a vertical state, the position of the limiting sleeve (10) corresponds to the position of the screw hole on one side of the motor shell one by one; a fastening mechanism (11) is arranged on the circumferential surface of the circular mounting disc (7) corresponding to the position of the limiting sleeve (10); a sliding column (12) capable of moving along the axial direction of the limiting sleeve is arranged in the limiting sleeve (10), and the outer diameter of the sliding column (12) is the same as the small diameter of a screw hole of a motor end cover and the small diameter of a screw hole of a motor shell; an oiling mechanism (13) is arranged on the limiting sleeve (10) and the sliding column (12); three sliding rods (14) vertical to the circular mounting disc (7) are uniformly arranged on the outer end face of the sliding column (12) along the circumferential direction of the sliding column, balls (15) are rotatably arranged at the outer end of each sliding rod (14), and the balls (15) are internally tangent to the cylindrical surface where the outer surface of the sliding column (12) is located; a first return spring (16) vertical to the circular mounting disc (7) is fixedly mounted on the inner end surface of the sliding rod (14).

2. The assembly machine for producing and manufacturing three-phase asynchronous motor according to claim 1, characterized in that: the fine adjustment mechanism (8) comprises a first gear (81), a second gear (82) and a knob (83); the first gear (81) is rotatably arranged on the outer surface of the mounting plate (6), the first gear (81) is fixedly connected with the circular mounting plate (7) and the axes of the first gear and the circular mounting plate coincide, the second gear (82) is rotatably arranged on the outer surface of the mounting plate (6) and is meshed with the first gear (81), and a knob (83) is fixedly arranged on the end face of the second gear (82); the first gear (81) has a larger diameter than the second gear (82).

3. The assembly machine for producing and manufacturing three-phase asynchronous motor according to claim 1, characterized in that: the limiting mechanism (9) comprises a first limiting rod (91), a spherical limiting block (92), a second return spring (93), a limiting groove (94), a second limiting rod (95), a roller (96) and a pressing block (97); the first limiting rod (91) is horizontally installed on two sides of the installation plate (6) in a sliding mode, the outer end of the first limiting rod (91) is fixedly provided with a spherical limiting block (92), and the inner end of the first limiting rod (91) is fixedly provided with a second reset spring (93); a limiting groove (94) matched with the spherical limiting block (92) is formed in the inner side of the mounting column (5); the installation post (5) is provided with a second limiting rod (95) which is provided with two levels and is perpendicular to the first limiting rod (91) in a horizontal sliding manner, the inner end of the second limiting rod (95) is hinged with a roller (96) which is matched with the spherical limiting block (92) in a rolling manner, and the outer end of the second limiting rod (95) is fixedly provided with a pressing block (97).

4. The assembly machine for producing and manufacturing three-phase asynchronous motor according to claim 1, characterized in that: the fastening mechanism (11) comprises a rotating plate (111), a guide rod (112), a supporting plate (113), a sleeve (114), a third gear (115), a fourth gear (116), a first spiral guide groove (117) and a first guide block (118); the rotating plate (111) is rotatably installed on the circumferential surface of the circular installation disc (7) through a torsion spring, and the rotating plate (111) is vertical to the surface of the circular installation disc (7) in an initial state; two guide rods (112) which are parallel to each other are arranged in the rotating plate (111) in a sliding mode, and the outer end of each guide rod (112) is connected with a supporting plate (113) which is perpendicular to the rotating plate (111); the outer end of the guide rod (112) is in running fit with the support plate (113); a sleeve (114) which is vertical to the support plate (113) and is matched with the head of the fastening bolt is rotatably arranged on the inner side of the support plate (113); a third gear (115) is fixedly arranged on the guide rod (112), and a fourth gear (116) meshed with the third gear (115) is fixedly arranged on the sleeve (114); a first spiral guide groove (117) is formed in the rotating plate (111), and a first guide block (118) in sliding fit with the first spiral guide groove (117) is fixedly mounted on the guide rod (112).

5. The assembly machine for producing and manufacturing three-phase asynchronous motor according to claim 1, characterized in that: the oiling mechanism (13) comprises an oil storage tank (131), an oil inlet hole (132), an oil outlet hole (133), an oil duct (134) and a third return spring (135); the oil storage tank (131) is fixedly arranged on the outer side of the limiting sleeve (10), and an oil inlet hole (132) for communicating the interior of the limiting sleeve (10) with the oil storage tank (131) is formed in the limiting sleeve (10); the outer surface of the sliding column (12) is provided with an oil outlet (133), and the sliding column (12) is internally provided with an oil duct (134) communicated with the oil outlet (133) and the inside of the limiting sleeve (10); and a third return spring (135) vertical to the circular mounting plate (7) is fixedly mounted on the inner end surface of the sliding column (12).

6. The assembly machine for producing and manufacturing three-phase asynchronous motor according to claim 5, characterized in that: the oiling mechanism (13) comprises a sponge column (136), and the sponge column (136) is filled in the oil outlet (133).

7. The assembly machine for producing and manufacturing three-phase asynchronous motor according to claim 5, characterized in that: the oiling mechanism (13) further comprises a second spiral guide groove (137), a second guide block (138) and a rotating block (139); a second spiral guide groove (137) is formed in the inner side wall of the limiting sleeve (10), and a second guide block (138) is fixedly mounted on the outer side wall of the sliding column (12) and is in sliding fit with the second spiral guide groove (137); the rotating block (139) is coaxial with the sliding column (12) and is rotatably arranged on the inner end surface of the limiting sleeve (10); the end part of the third return spring (135) is fixedly connected to the rotating block (139).