CN219767345U - Centrifugal clamping screw sleeve screwing device - Google Patents

Abstract

The utility model belongs to the technical field of motor production, and particularly relates to a centrifugally clamped screw sleeve screwing device which comprises a rack, a lifting mechanism and a rotating mechanism, wherein the lifting mechanism and the rotating mechanism are arranged on the rack, the rack is provided with a sliding frame which is in lifting fit with the lifting mechanism and is used for installing the rotating mechanism, the rotating mechanism is rotatably matched with a rotatable rotating column, the bottom end of the rotating column is provided with a column head, the column head is circumferentially provided with a centrifugal groove for inserting a screw sleeve, the outer side of the screw sleeve is coaxially provided with threads, a plurality of bosses which are used for being clamped with grooves arranged in the screw sleeve are elastically connected in the centrifugal groove, each boss can elastically and reciprocally slide outwards from the axis of the rotating column, automatic stripping can be realized after the assembly is completed, and the production efficiency is improved.

Description

Centrifugal clamping screw sleeve screwing device

Technical Field

The utility model belongs to the technical field of motor production, and particularly relates to a centrifugally clamped screw sleeve screwing device.

Background

An electric Motor (motorr) is a device that converts electrical energy into mechanical energy. The magneto-electric power rotating torque is formed by generating a rotating magnetic field by using an electrified coil and acting on a rotor. The motors are divided into direct current motors and alternating current motors according to different power supplies, and most of motors in a power system are alternating current motors, and can be synchronous motors or asynchronous motors. The existing motor is generally provided with a bearing in the motor, an output shaft of the motor penetrates through the center of the bearing to extend outwards, the bearing is pressed by a threaded sleeve during assembly, external threads of the threaded sleeve are meshed with threads on the inner wall of a motor shell, the bearing is fixed, an existing threaded sleeve mounting mechanism has an automatic assembly function, but the threaded sleeve cannot automatically fall off from the mounting mechanism after assembly is completed, and production efficiency is affected.

For example, the application number is CN202223343601.1 provides a screw thread bush mounting plate, including mounting plate main part, supporting legs and first connecting plate, the mounting plate main part lower extreme is connected with the supporting legs, the mounting plate main part upper end is connected with first connecting plate, the installation piece lower extreme is connected with the turning block, and the turning block lower extreme is connected with the grip lever, and is connected with the steel wire thread bush on the grip lever, be connected with the bolt on the turning block, electric telescopic handle is installed to the mounting plate main part upper end, and the electric telescopic handle outside is connected with the grip block. The screw sleeve mounting machine is provided with the electric telescopic rod, so that the screw sleeve can be automatically engaged, but the screw sleeve can not automatically fall off from the mounting mechanism after the assembly is completed, and the production efficiency is affected.

Disclosure of Invention

The utility model aims to provide a centrifugally clamped screw sleeve screwing device, which aims to solve the technical problem in the prior art.

In order to achieve the above purpose, the screw sleeve tightening device for centrifugal clamping provided by the embodiment of the utility model comprises a rack, a lifting mechanism and a rotating mechanism, wherein the lifting mechanism and the rotating mechanism are arranged on the rack, the rack is provided with a sliding frame which is in lifting fit with the lifting mechanism and is used for installing the rotating mechanism, the rotating mechanism is rotatably matched with a rotatable rotating column, the bottom end of the rotating column is provided with a column head, the column head is provided with a centrifugal groove for inserting a screw sleeve in a surrounding manner, the outer side of the screw sleeve is coaxially provided with threads, a plurality of bosses which are used for being clamped with grooves arranged in the screw sleeve are elastically connected in the centrifugal groove, and each boss can elastically and reciprocally slide outwards from the axis of the rotating column.

Preferably, the bottom end of the boss is provided with a guiding inclined plane, and the guiding inclined plane extends from the bottom end of the boss in a direction away from the center of the rotary column.

Preferably, the column cap is provided with a limit groove for realizing sliding action with the boss, and the inner wall of the limit groove is provided with a spring for realizing elastic connection between the boss and the limit groove.

Preferably, the boss is provided with a sliding part sliding with the limiting groove, and the sliding part is provided with a limiting block for realizing the limiting effect with the limiting groove.

Preferably, the bottom end of the rotary column is provided with a vertical groove, and the vertical groove extends from the inside of the rotary column to the bottom end of the rotary column and is opened.

Preferably, the lifting mechanism comprises a lifting motor, a threaded rod rotationally matched with the lifting motor and sliding rails symmetrically arranged on two sides of the frame, and the sliding rails are in sliding connection with the sliding rails.

Preferably, the rotating mechanism comprises a rotating motor and an elastic telescopic part connected with an output shaft of the rotating motor, the elastic telescopic part is mounted on the carriage, and the elastic telescopic part is connected with the rotating column at one end far away from the rotating motor.

Preferably, the elastic telescopic part comprises a telescopic rod, a bottom frame and a top frame, the top frame is installed with the carriage, a compression spring is connected between the bottom frame and the top frame, and the telescopic rod is used for realizing connection between the output shaft of the rotating motor and the rotating column.

Preferably, the telescopic rod passes through the chassis and is connected with the column spinner, the chassis is equipped with the slide bar, the slide bar passes the roof-rack with the chassis is connected, and with roof-rack sliding fit, compression spring cover is located the slide bar surface.

Preferably, a limiting ring is arranged at the top end of the sliding rod, and the limiting ring is matched with the top surface of the top frame to realize a limiting effect.

The above technical scheme or schemes in the centrifugally clamped screw sleeve tightening device provided by the embodiment of the utility model at least have one of the following technical effects:

during the use, with swivel nut joint in the centrifuge bowl, be connected with each recess cooperation respectively through each boss promptly, and because elastic action, realize that boss and recess can be better joint fixed, rotatory through rotary mechanism drive column spinner, thereby make the rotatory swivel nut of centrifuge bowl drive, the boss is because under the effect of centrifugal force in the rotatory in-process, the laminating intensity grow with the recess, realize being difficult to separate with the boss in the installation of swivel nut, realize good fixed effect, rethread elevating system drives the balladeur train and descends, rotary mechanism descends together with the column spinner, make rotatory swivel nut pass through the screw thread of outer wall and the motor casing threaded connection and the assembly of below placing, after the completion assembly, rotary mechanism drives the column spinner and stops rotating, because the addition that has lost centrifugal force holds, laminating dynamics between boss and the recess weakens, and follow elevating system drive lift boss and upwards slide out from the recess, can realize automatic material that takes off after the assembly is accomplished, improve production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a centrifugally clamped screw sleeve tightening device according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a centrifugally clamped screw sleeve tightening device according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of the structure at a shown in fig. 2.

Fig. 4 is a schematic structural view of a centrifugal groove of a centrifugally clamped screw sleeve tightening device according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a centrifugally clamped screw sleeve tightening device according to an embodiment of the present utility model after a screw sleeve is mounted in a centrifugal groove.

Fig. 6 is a schematic structural view of a screw sleeve of the centrifugally clamped screw sleeve tightening device according to the embodiment of the utility model after the screw sleeve is installed in a motor.

Wherein, each reference sign in the figure:

1-frame 11-carriage 2-lifting mechanism

21-lifting motor 22-threaded rod 23-slide rail

3-rotation mechanism 31-rotation motor 32-elastic expansion and contraction part

321-telescopic rod 331-bottom frame 332-top frame

334-slide bar 335-stop collar 34-compression spring

4-rotating column 41-column head 411-limit groove

412-spring 42-centrifugal groove 421-boss

422-guiding inclined plane 423-limiting block 43-vertical groove

10-thread insert 101-groove 102-threads.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 6 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 6, a lifting mechanism 2 and a rotating mechanism 3 are provided, wherein the lifting mechanism 2 and the rotating mechanism 3 are arranged on the machine frame, the machine frame 1 is provided with a carriage 11 which is in lifting fit with the lifting mechanism 2 and is used for installing the rotating mechanism 3, the rotating mechanism 3 is rotatably matched with a rotatable rotating column 4, a column head 41 is arranged at the bottom end of the rotating column 4, a centrifugal groove 42 for inserting a screw sleeve 10 is arranged around the column head 41, threads 102 are coaxially arranged at the outer side of the screw sleeve 10, a plurality of bosses 421 which are used for being clamped with grooves 101 arranged in the screw sleeve 10 are elastically connected in the centrifugal groove 42, and each boss 421 can elastically reciprocate outwards from the axis of the rotating column 4.

Further, a guiding inclined plane 422 is provided at the bottom end of the boss 421, and the guiding inclined plane 422 extends from the bottom end of the boss 421 in a direction away from the center of the rotating column 4. Specifically, when the insert 10 is installed into the centrifugal groove 42, the groove 101 needs to be aligned with the boss 421, and the insert 10 is slid upward from the bottom end of the centrifugal groove 42, when the insert 10 is not installed in the centrifugal groove 42, the boss 421 is supported out of the centrifugal groove 42 due to elastic action, and at this time, the distance from the outward side of the boss 421 to the center of the centrifugal groove 42 is greater than the distance from the center of the insert 10 to the inner wall of the groove 101, so that the insert 10 can better enter the centrifugal groove 42 to achieve the clamping connection by providing the guide inclined surface 422.

Further, the column cap 41 is provided with a limit slot 411 for sliding with the boss 421, and a spring 412 is provided on an inner wall of the limit slot 411 for elastically connecting the boss 421 with the limit slot 411. Specifically, when the insert 10 is not installed in the centrifugal groove 42, the boss 421 is supported outward of the centrifugal groove 42 due to the elastic action of the spring 412, so as to achieve an elastic effect, when the insert 10 is installed in the centrifugal groove 42, the boss 421 is clamped with the groove 101 of the insert 10, meanwhile, the boss 421 is pressed into the limiting groove 411 to move, meanwhile, the spring 412 is compressed, the rotating column 4 is driven to rotate by the rotating mechanism 3, the boss 421 applies pressure to the outer side due to the centrifugal force, so that the bonding strength of the insert 10 and the centrifugal groove 42 is higher, and in the process, the boss 421 simultaneously stretches the spring 412 outward, so that the boss 421 can achieve a buffering effect in the compression process due to the elastic action of the spring 412.

Further, the boss 421 is provided with a sliding portion that slides with the limiting slot 411, and the sliding portion is provided with a limiting block 423 that realizes a limiting function with the limiting slot 411. Specifically, after the insert 10 is installed in the centrifugal groove 42, the rotary column 4 is driven to rotate by the rotary mechanism 3, the boss 421 applies pressure to the outside due to the centrifugal force, so that the bonding strength of the insert 10 and the centrifugal groove 42 is higher, and in the process, if the pressure applied by the boss 421 to the groove 101 of the insert 10 is too high, the insert 10 is easily damaged, so that the control of the pressure applied to the boss 421 by the cooperation of the limiting block 423 and the limiting groove 411 can be realized.

Further, a vertical groove 43 is provided at the bottom end of the rotary column 4, and the vertical groove 43 extends from the inside of the rotary column 4 to the bottom end of the rotary column 4 and is opened. Specifically, in the assembly process, the lifting mechanism 2 drives the rotating seat 4, so that the motor arranged downwards in the centrifugal groove 42 moves and is assembled, and the output shaft of the motor can extend outwards in the assembly process by arranging the vertical groove 43, and meanwhile, the output shaft is not contacted with the inner wall of the vertical groove 43, so that the output shaft is prevented from being damaged, and a better assembly effect is realized.

Further, the lifting mechanism 2 includes a lifting motor 21, a threaded rod 22 rotatably engaged with the lifting motor 21, and sliding rails 23 symmetrically disposed on two sides of the frame 1, and the carriage 11 is slidably connected with the sliding rails 23. Specifically speaking elevating system 2 is driving the in-process that balladeur train 11 goes up and down, and through the rotation drive of threaded rod 22, through the rotation drive of threaded rod 22 down, balladeur train 11 can be relatively accurate realization displacement from top to bottom, realizes good displacement effect, can realize higher stability through setting up slide rail 23.

Further, the rotating mechanism 3 includes a rotating motor 31 and an elastic expansion and contraction portion 32 connected to an output shaft of the rotating motor 31, the elastic expansion and contraction portion 32 is mounted on the carriage 11, and the elastic expansion and contraction portion 32 is connected to the rotating column 4 at an end remote from the rotating motor 31. Specifically, when the rotating mechanism 3 drives the rotating column 4 to rotate, the elastic expansion part 32 is driven by the rotating motor 31 to drive the rotating column 4 to rotate, and in the assembling process, the threads 102 of the screw sleeve 10 are required to be assembled in a threaded connection with the motor shell placed below, so that the lifting mechanism 2 is required to apply pressure, in the process, the elastic expansion part 32 is elastically compressed under pressure, and the pressure is transmitted to the screw sleeve 10 at the bottom end of the rotating column 4, so that the screw sleeve 10 can be engaged with the threads of the rotor shell below, a better assembling effect is achieved, and due to the elastic effect, a buffering effect can be achieved when the pressure is applied to the screw sleeve 10 at the bottom end of the rotating column 4.

Further, the elastic telescopic portion 32 includes a telescopic rod 321, a bottom frame 331 and a top frame 332, the top frame 332 is mounted on the carriage 11, a compression spring 34 is connected between the bottom frame 331 and the top frame 332, and the telescopic rod 321 is used for connecting an output shaft of the rotating motor 31 and the rotating column 4. Specifically, when the lifting mechanism 2 drives the top frame 332 to descend and apply pressure downwards, the bottom frame 331 is compressed by the compression spring 34 under resistance in the process that the screw sleeve 10 contacts and is engaged with the motor housing placed below, and the elastic action can have a buffering effect when applying pressure to the screw sleeve 10 at the bottom end of the rotary column 4, so that a better assembly effect is achieved.

Further, the telescopic rod 321 passes through the bottom frame 331 to be connected with the rotary column 4, the bottom frame 331 is provided with a sliding rod 334, the sliding rod 334 passes through the top frame 332 to be connected with the bottom frame 331 and slidingly matched with the top frame 332, and the compression spring 34 is sleeved on the surface of the sliding rod 334. Specifically, the lifting mechanism 2 drives the top frame 332 to descend and apply pressure downwards, and in the process that the screw sleeve 10 contacts and is engaged with the motor housing placed below, the bottom frame 331 is subjected to resistance to compress the compression spring 34, and meanwhile, the sliding rod 334 moves upwards through the top frame 332, so that a better guiding effect on the compression spring 34 is achieved.

Further, a limiting ring 335 is disposed at the top end of the sliding rod 334, and the limiting ring 335 cooperates with the top surface of the top frame 332 to achieve a limiting effect. Specifically, the lifting mechanism 2 drives the top frame 332 to descend and apply pressure downwards, in the process that the screw sleeve 10 contacts and is engaged with the motor housing placed below, the bottom frame 331 is subjected to resistance to compress the compression spring 34, meanwhile, the sliding rod 334 passes through the top frame 332 to move upwards, after the assembly is completed, the lifting mechanism 2 drives the rotating column 4 to ascend, in the process, the rotating column 4 is continuously contacted with the motor housing placed below under the elastic pressure of the compression spring 34 until the limiting ring 335 contacts with the top frame 332, the lifting mechanism 2 is continuously lifted upwards, and the rotating column 4 is driven to displace upwards and leave the assembled motor, so that a better assembly effect is achieved.

Working principle: when in use, the screw sleeve 10 is clamped in the centrifugal groove 42, namely, the screw sleeve 10 is respectively matched and connected with the grooves 101 through the bosses 421, after the screw sleeve 10 is installed in the centrifugal groove 42, the bosses 421 are clamped with the grooves 101 of the screw sleeve 10, meanwhile, the bosses 421 are pressed and move into the limit grooves 411, the springs 412 are compressed, then the rotating mechanism 3 drives the rotary column 4 to rotate, the threaded rod 22 is driven to rotate through the lifting motor 21, the carriage 11 can relatively accurately realize up-and-down displacement under the driving of the rotation of the threaded rod 22, a good displacement effect is realized, the rotating motor 31 drives the elastic expansion part 32, the rotary column 4 is driven to rotate, the bosses 421 exert pressure outwards due to the action of centrifugal force, the joint strength of the screw sleeve 10 and the centrifugal groove 42 is higher, meanwhile, the control of the follow-up pressure exerted outwards by the bosses 421 can be realized through the matching of the limiting blocks and the limit grooves 411, in the assembly process, the screw thread 102 of the screw sleeve 10 is required to be in threaded connection with the motor shell placed below, the lifting motor 21 continuously descends and applies pressure to the screw sleeve 10 at the bottom end of the rotating column 4, the bottom frame 331 is compressed by resistance force to the compression spring 34 in the process of contacting and biting the screw sleeve 10 with the motor shell placed below, meanwhile, the sliding rod 334 passes through the top frame 332 to move upwards, the output shaft of the motor stretches into the vertical groove 43, at the moment, the output shaft is not contacted with the inner wall of the vertical groove 43, the bottom surface of the screw sleeve 10 is pressed above a bearing in the motor to complete the assembly after the assembly, the rotating mechanism 3 stops operating, the boss 421 and the groove 101 are weakened due to the fact that the clamping force of centrifugal force is lost, the lifting mechanism 2 drives the sliding frame 11 to lift, the rotating column 4 is continuously contacted with the motor shell placed below by the elastic pressure of the compression spring 34 in the process, until the limiting ring 335 contacts with the top frame 332, the lifting mechanism 2 continues to lift upwards, the rotating column 4 is driven to displace upwards, and the boss 421 slides upwards from the groove 101 to complete assembly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a device is screwed up to swivel nut of centrifugal centre gripping which characterized in that: including frame and set up in elevating system, rotary mechanism of frame, the frame be equipped with elevating system's balladeur train is used for the installation rotary mechanism is rotationally matched with has the column spinner that can rotate, the bottom of column spinner is equipped with the column cap, the column cap encircles and is provided with the centrifugal groove that is used for supplying a swivel nut male, the swivel nut outside is coaxial to be provided with the screw thread, elastic connection has a plurality of be used for with the boss of the recess joint that sets up in the swivel nut in the centrifugal groove, each the boss all can be followed the outside elasticity reciprocating sliding of column spinner axle center.

2. The centrifugally clamped screw sleeve tightening device according to claim 1, wherein: the boss bottom is equipped with the direction inclined plane, the direction inclined plane certainly the boss bottom wants to keep away from the direction at column center.

3. The centrifugally clamped screw sleeve tightening device according to claim 1, wherein: the column cap is provided with a limit groove which is in sliding action with the boss, and the inner wall of the limit groove is provided with a spring which is used for realizing elastic connection between the boss and the limit groove.

4. A centrifugally clamped screw sleeve tightening machine according to claim 3, wherein: the boss is provided with a sliding part sliding with the limiting groove, and the sliding part is provided with a limiting block which is used for limiting with the limiting groove.

5. The centrifugally clamped screw sleeve tightening device according to claim 1, wherein: the bottom end of the rotary column is provided with a vertical groove, and the vertical groove extends from the inside of the rotary column to the bottom end of the rotary column and is opened.

6. The centrifugally clamped screw sleeve tightening device according to claim 1, wherein: the lifting mechanism comprises a lifting motor, a threaded rod which is in rotary fit with the lifting motor, and sliding rails which are symmetrically arranged on two sides of the frame, and the sliding frames are in sliding connection with the sliding rails.

7. The centrifugally clamped screw sleeve tightening device according to any one of claims 1 to 6, wherein: the rotating mechanism comprises a rotating motor and an elastic telescopic part connected with an output shaft of the rotating motor, the elastic telescopic part is mounted on the sliding frame, and one end of the elastic telescopic part, which is far away from the rotating motor, is connected with the rotating column.

8. The centrifugally clamped screw sleeve tightening machine of claim 7, wherein: the elastic telescopic part comprises a telescopic rod, an underframe and a top frame, wherein the top frame is installed with the carriage, a compression spring is connected between the underframe and the top frame, and the telescopic rod is used for realizing connection of an output shaft of the rotating motor and the rotating column.

9. The centrifugally clamped screw sleeve tightening machine of claim 8, wherein: the telescopic rod penetrates through the bottom frame to be connected with the rotating column, the bottom frame is provided with a sliding rod, the sliding rod penetrates through the top frame to be connected with the bottom frame and in sliding fit with the top frame, and the compression spring is sleeved on the surface of the sliding rod.

10. The centrifugally clamped screw sleeve tightening machine of claim 9, wherein: the top end of the sliding rod is provided with a limiting ring, and the limiting ring is matched with the top surface of the top frame to realize the limiting effect.