CN220838815U - Motor armature shaft press-fitting device - Google Patents

Abstract

The utility model discloses a press-fitting device for a motor armature shaft, which comprises a frame, a placing groove, a fixed component, a pressing head component and a moving component. According to the press-fitting device for the motor armature shaft, the fixing component is used for fixing the motor shaft, so that stability of the motor shaft in the press-fitting process is guaranteed, the pressing head component is convenient for positioning the bearing inner ring, the bearing inner ring is contacted in an omnibearing manner by the pressing head component, damage to the bearing retaining frame in the press-fitting process is avoided, the moving component drives the pressing head component to change the longitudinal position, and the bearing is pressed on the motor shaft conveniently.

Description

Motor armature shaft press-fitting device

Technical Field

The utility model relates to the technical field related to motor armatures, in particular to a press-fitting device for a motor armature shaft.

Background

The bearing is an important part in mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, wherein the daily maintenance and the maintenance of the bearing are lubrication, cleaning, mounting and dismounting, operation monitoring, storage and protection, and the abrasion reasons of the bearing comprise stripping, burning, crack defects, cage breakage and the like;

The existing motor armature shaft press-fitting device has the advantages that due to the design characteristics of the existing motor armature shaft press-fitting device, in the actual use process, a pressing head for press-fitting a bearing cannot locate the position of an inner ring of the bearing, so that movement of the inner ring of the bearing cannot be achieved, the press-fitting efficiency of the bearing and a motor shaft is reduced, and the motor armature shaft press-fitting device has the characteristic of inconvenience in operation.

Disclosure of utility model

The utility model aims to provide a press-fitting device for a motor armature shaft, which aims to solve the problems that the existing press-fitting device for the motor armature shaft is incapable of positioning the position of an inner ring of a bearing due to the design characteristics of the existing press-fitting device for the motor armature shaft, and the efficiency of press-fitting the bearing and a motor shaft is reduced because the position of the inner ring of the bearing cannot be positioned in the actual use process.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a motor armature shaft pressure equipment device, includes the frame, sets up the standing groove of frame up end middle part position, set up fixed subassembly in the standing groove, for the pressure head subassembly that the standing groove set up and be used for carrying out the removal subassembly of adjusting to the pressure head subassembly.

Optionally, the fixed subassembly is in including setting up adsorption plate, the even setting of standing groove inner chamber middle part position are in the arc cardboard of standing groove inner chamber and set up every regulating spring between arc cardboard and the standing groove inner wall, the adsorption plate sets up to the embedded, and the adsorption plate sets up to magnet material.

Through adopting above-mentioned technical scheme, the adsorption plate is convenient for adsorb the lower terminal surface of the motor shaft of placing in the standing groove to be convenient for fix the lower terminal surface of motor shaft.

Optionally, one end of the adjusting spring is fixedly connected with the outer side of each arc-shaped clamping plate, and the other end of the adjusting spring is fixedly connected with the inner wall of the placing groove.

Through adopting above-mentioned technical scheme, adjusting spring adjusts the fixed surface area that arc cardboard constitutes to be convenient for satisfy the motor shaft of different external diameters, realize the fixed to different motor shafts.

Optionally, the pressure head subassembly includes the supporting seat, sets up the screw rod of supporting seat middle part position, set up the screw rod is kept away from the regulating hand wheel that is connected one end in the supporting seat, with the screw rod is through the sliding sleeve that the helicitic texture is connected, evenly set up the sliding sleeve outside and with the sliding sleeve articulated traction lever mutually, with every the traction lever other end articulated slider, fixed the setting be in press the cover of terminal surface under the slider and set up on the supporting seat with the slide hole of slider looks adaptation, the screw rod with the supporting seat is also connected through the helicitic texture, and the screw rod is provided with the retaining ring for the one end of supporting seat, the external diameter of retaining ring is greater than the external diameter of screw rod.

By adopting the technical scheme, the screw rod is prevented from falling off the supporting seat when the screw rod is adjusted.

Optionally, the one end that the cover is kept away from and is connected in the slider is provided with the blotter, the blotter sets up to the rubber material.

By adopting the technical scheme, the buffer pad is convenient for buffering the pressure of the pressing sleeve to the inner ring of the bearing, and the damage of the pressing sleeve to the inner ring of the bearing is avoided.

Optionally, the movable assembly includes with the first seat that removes that one end of supporting seat is connected, with first screw that the first seat that removes is connected through the helicitic texture, with the second that the other end of supporting seat is connected removes the seat, with the second that the second removes the seat and is connected through the helicitic texture, with the driving motor that the first screw is connected, with the first belt pulley that driving motor is connected, set up the driving belt of first belt pulley periphery and with the driving belt is connected and with the second belt pulley that the second screw is connected, first screw and second screw set up respectively the up end of frame, and first screw and second screw run through respectively in the frame with first belt pulley and second belt pulley are connected.

Through adopting above-mentioned technical scheme, be convenient for first removal seat and second remove the seat and take place longitudinal position's change as the center pin with first lead screw and second lead screw respectively to adjust the distance between supporting seat and the standing groove.

Optionally, an output shaft of the driving motor is connected with the first belt pulley and the first screw rod, and the first belt pulley and the first screw rod are respectively connected with the output shaft through splines.

Through adopting above-mentioned technical scheme, driving motor's output shaft is convenient for drive first belt pulley and first lead screw and takes place to rotate, and first belt pulley drives driving belt and takes place to rotate, and driving belt drives the second belt pulley and takes place to rotate, and the second belt pulley drives the second lead screw and rotates, and the first seat that removes of being convenient for takes place longitudinal position's change respectively with first lead screw and second lead screw as the center pin to the distance between supporting seat and the standing groove is adjusted.

Optionally, the device further comprises a protective shell arranged on two sides of the upper end face of the frame, protective cover plates arranged on the inner sides of the protective shell, and sliding grooves arranged on each protective cover plate and matched with the first movable seat and the second movable seat, wherein the protective shell is fixedly connected with the frame, and the protective cover plates are detachably connected with the protective shell.

Through adopting above-mentioned technical scheme, the protection casing is convenient for protect first lead screw and second lead screw, and the detachable construction of protective cover board is convenient for overhaul first lead screw and second lead screw in the protection casing.

Optionally, the device further comprises a guide rod which is respectively connected with the first movable seat and the second movable seat in a sliding manner, and the guide rod is fixedly arranged in the protective shell.

Through adopting above-mentioned technical scheme, the guide bar is convenient for carry out the direction to first movable seat and the second movable seat in the removal process to first movable seat and second movable seat's stationarity when moving has been guaranteed effectively.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has the characteristics of reasonable design and simple operation, and the utility model relates to a press-fitting device for a motor armature shaft

The fixing assembly comprises an adsorption plate, an arc-shaped clamping plate and an adjusting spring, wherein the adsorption plate is convenient for adsorbing the lower end face of a motor shaft placed in the placing groove, so that the lower end face of the motor shaft is convenient to fix, and the adjusting spring adjusts the fixing area formed by the arc-shaped clamping plate, so that motor shafts with different outer diameters are convenient to meet, and the fixing of different motor shafts is realized;

the pressure head assembly comprises a supporting seat, a screw rod, an adjusting hand wheel, a sliding sleeve, a uniform traction rod, a sliding block, a pressing sleeve and a sliding hole, wherein the pressing sleeve is arranged at one end far away from the sliding block and connected with the sliding block, so that the inner diameter of the pressure head assembly is realized, and the bearing inner rings with different sizes are positioned conveniently.

The moving assembly drives the pressure head assembly to change the longitudinal position, so that the bearing is conveniently pressed on the motor shaft.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

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 will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related 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 the whole structure of the press-fitting device of the motor armature shaft of the present utility model;

Fig. 2 is a schematic view of the structure of the motor armature shaft press-fitting apparatus of the present utility model in an enlarged view at a of fig. 1;

Fig. 3 is a schematic view showing a structure of the front view of fig. 1 in the motor armature shaft press-fitting apparatus of the utility model;

fig. 4 is a schematic structural view of a ram assembly in the motor armature shaft press-fitting apparatus of the present utility model;

fig. 5 is a schematic view of a moving assembly in the press-fitting device of the motor armature shaft of the present utility model.

In the figure: the device comprises a 1-frame, a 10-placing groove, a 101-adsorption plate, a 102-arc clamping plate, 1021-adjusting springs, a 2-protective shell, a 21-protective cover plate, 211-sliding grooves, a 3-pressure head assembly, 31-supporting seats, 311-sliding holes, 32-adjusting handles, 321-screws, 33-sliding sleeves, 331-traction rods, 332-sliding blocks, 3321-pressing sleeves, 41-first moving seats, 411-first lead screws, 42-second moving seats, 421-second lead screws, 43-first belt pulleys, 44-driving motors, 45-driving belts, 46-second belt pulleys and 47-guide rods.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand. In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus 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 relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2 and 3, the present utility model provides a technical solution: the utility model provides a motor armature shaft press-fit device, which comprises a frame 1, the standing groove 10 of setting in 1 up end middle part position of frame, the fixed subassembly of setting in standing groove 10, fixed subassembly is including setting up the adsorption plate 101 in the middle part position of standing groove 10 inner chamber, evenly set up the arc cardboard 102 in the standing groove 10 inner chamber and set up the regulating spring 1021 between every arc cardboard 102 and the standing groove 10 inner wall, adsorption plate 101 sets up to the embedded, and adsorption plate 101 sets up to the magnet material, adsorption plate 101 is convenient for adsorb the lower terminal surface of the motor shaft of placing in standing groove 10, thereby be convenient for fix the lower terminal surface of motor shaft, the one end of regulating spring 1021 and the outside fixed connection of every arc cardboard 102, regulating spring 1021's the other end and the inner wall fixed connection of standing groove 10, regulating spring 1021 adjusts the fixed surface area that arc cardboard 102 constitutes, thereby be convenient for satisfy the motor shaft of different external diameters, realize the fixing of different motor shafts.

Referring to fig. 4, referring to the ram assembly 3 disposed relative to the placement groove 10, the ram assembly 3 includes a supporting seat 31, a screw 321 disposed at a middle portion of the supporting seat 31, an adjusting hand wheel disposed at an end of the screw 321 far away from the supporting seat 31, a sliding sleeve 33 connected with the screw 321 through a threaded structure, a traction rod 331 uniformly disposed at an outer side of the sliding sleeve 33 and hinged with the sliding sleeve 33, a sliding block 332 hinged with another end of each traction rod 331, a pressing sleeve 3321 fixedly disposed at a lower end surface of the sliding block 332, and a sliding hole 311 disposed on the supporting seat 31 and adapted to the sliding block 332, wherein the screw 321 is also connected with the supporting seat 31 through a threaded structure, a retainer ring is disposed at an end of the screw 321 opposite to the supporting seat 31, and an outer diameter of the retainer ring is larger than an outer diameter of the screw 321.

Referring to fig. 1, 3 and 5, the moving assembly for adjusting the ram assembly 3 includes a first moving seat 41 connected with one end of the supporting seat 31, a first screw 411 connected with the first moving seat 41 through a screw structure, a second moving seat 42 connected with the other end of the supporting seat 31, a second screw 421 connected with the second moving seat 42 through a screw structure, a driving motor 44 connected with the first screw 411, a first pulley 43 connected with the driving motor 44, a driving belt 45 disposed at the outer circumference of the first pulley 43, and a second pulley 46 connected with the driving belt 45 and connected with the second screw 421, the first screw 411 and the second screw 421 are disposed at the upper end surface of the frame 1, respectively, and the first screw 411 and the second screw 421 are connected with the first pulley 43 and the second pulley 46 through the frame 1, respectively, the first moving seat 41 and the second moving seat 42 are convenient to change the longitudinal positions of the first lead screw 411 and the second lead screw 421 respectively by taking the first lead screw 411 and the second lead screw 421 as central shafts, so that the distance between the supporting seat 31 and the placing groove 10 is adjusted, the first belt pulley 43, the second belt pulley 46 and the driving motor 44 are arranged on the lower end face of the frame 1, the interference between the positions of the bearings in the press mounting process is avoided, the output shaft of the driving motor 44 is connected with the first belt pulley 43 and the first lead screw 411, the first belt pulley 43 and the first lead screw 411 are respectively connected with the output shaft through splines, the output shaft of the driving motor 44 is convenient to drive the first belt pulley 43 and the first lead screw 411 to rotate, the first belt pulley 43 drives the driving belt 45 to rotate, the driving belt 45 drives the second belt pulley 46 to rotate, the second belt pulley 46 drives the second lead screw 421 to rotate, the first moving seat 41 and the second moving seat 42 are convenient to change in longitudinal position about the first screw 411 and the second screw 421, respectively, so as to adjust the distance between the support seat 31 and the placement groove 10.

Referring to fig. 1, 2 and 3, in order to protect the first lead screw 411 and the second lead screw 421, the device further includes a protecting housing 2 disposed on two sides of an upper end surface of the frame 1, a protecting cover plate 21 disposed on an inner side of the protecting housing 2, and a sliding slot 211 disposed on each protecting cover plate 21 and adapted to the first moving seat 41 and the second moving seat 42, wherein the protecting housing 2 is fixedly connected with the frame 1, the protecting cover plate 21 is detachably connected with the protecting housing 2, the protecting housing 2 is convenient for protecting the first lead screw 411 and the second lead screw 421, and the detachable structure of the protecting cover plate 21 is convenient for overhauling the first lead screw 411 and the second lead screw 421 in the protecting housing 2.

Referring to fig. 5, in order to guide the moving directions of the first moving seat 41 and the second moving seat 42 in the moving process, the device further includes a guide rod 47 slidably connected with the first moving seat 41 and the second moving seat 42, wherein the guide rod 47 is fixedly disposed in the protective housing 2, and the guide rod 47 is convenient for guiding the first moving seat 41 and the second moving seat 42 in the moving process, so that the stability of the first moving seat 41 and the second moving seat 42 in the moving process is effectively ensured.

Working principle: when the adjustable screw rod positioning device is used, a motor shaft is placed in the placing groove 10, the lower end face of the motor shaft is fixed under the adsorption action of the adsorption plate 101, the periphery of the motor shaft is contacted with the arc-shaped clamping plate 102, the adjusting spring 1021 is contracted due to the pressure of the arc-shaped clamping plate 102, the periphery of the motor shaft is fixed, the screw rod 321 is rotated through the adjusting hand wheel, the sliding sleeve 33 is convenient for the change of the longitudinal position of the sliding sleeve 33 taking the screw rod 321 as a central shaft, the screw sleeve drives the traction rod 331 connected with the traction rod 331 to move relatively or move back to back, the traction rod 331 is convenient for the traction rod 331 to drive the sliding block 332 connected with the traction rod to synchronously move, the sliding block 332 drives the pressing sleeve 3321 to synchronously move, the inner diameter of the pressing head assembly 3 is realized, the bearing inner rings of different sizes are convenient to be positioned, the driving motor 44 is started, the output shaft of the driving motor 44 is convenient for driving the first belt pulley 43 and the first screw rod 411 to rotate, the driving belt 45 is driven by the driving belt 45 to rotate, the second belt 46 is driven by the second belt pulley 421 to rotate the second screw rod 421, the second screw rod 421 is convenient for the first moving seat 41 and the second moving seat 42 to move longitudinally, and the distance between the first moving seat 41 and the second seat 421 is respectively used for the change of the longitudinal position of the first seat and the screw rod 411 to be the longitudinal position of the supporting seat 31.

The device obtained through the design can basically meet the requirement of improving the problem that the current motor armature shaft press-fitting device cannot locate the position of the bearing inner ring due to the design characteristics of the device, in the actual use process, a pressure head for press-fitting the bearing cannot locate the position of the bearing inner ring, so that the movement of the bearing inner ring cannot be realized, and the press-fitting efficiency of the bearing and a motor shaft is reduced, but a designer further improves the device in view of further improving the functions of the device.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a motor armature shaft pressure equipment device which characterized in that: the device comprises a rack (1), a placing groove (10) arranged in the middle of the upper end face of the rack (1), a fixing component arranged in the placing groove (10), a pressure head component (3) arranged relative to the placing groove (10) and a moving component used for adjusting the pressure head component (3).

2. The press-fit device of a motor armature shaft according to claim 1, wherein the fixing assembly comprises an adsorption plate (101) arranged in the middle of the inner cavity of the placing groove (10), arc clamping plates (102) uniformly arranged in the inner cavity of the placing groove (10), and an adjusting spring (1021) arranged between each arc clamping plate (102) and the inner wall of the placing groove (10), the adsorption plate (101) is embedded, and the adsorption plate (101) is made of a magnet material.

3. The motor armature shaft press-fitting device according to claim 2, wherein the press head assembly (3) comprises a supporting seat (31), a screw rod (321) arranged at the middle position of the supporting seat (31), an adjusting hand wheel arranged at one end of the screw rod (321) far away from the supporting seat (31), a sliding sleeve (33) connected with the screw rod (321) through a threaded structure, a traction rod (331) uniformly arranged at the outer side of the sliding sleeve (33) and hinged with the sliding sleeve (33), a sliding block (332) hinged with the other end of each traction rod (331), a pressing sleeve (3321) fixedly arranged at the lower end surface of each sliding block (332), and a sliding hole (311) arranged on the supporting seat (31) and matched with the sliding block (332), wherein the screw rod (321) is also connected with the supporting seat (31) through a threaded structure, and one end of the screw rod (321) opposite to the supporting seat (31) is provided with a check ring, and the outer diameter of the check ring is larger than that of the screw rod (321).

4. A motor armature shaft press-fitting device according to claim 3, characterized in that the moving assembly comprises a first moving seat (41) connected with one end of the supporting seat (31), a first screw rod (411) connected with the first moving seat (41) through a screw structure, a second moving seat (42) connected with the other end of the supporting seat (31), a second screw rod (421) connected with the second moving seat (42) through a screw structure, a driving motor (44) connected with the first screw rod (411), a first belt pulley (43) connected with the driving motor (44), a transmission belt (45) arranged on the periphery of the first belt pulley (43) and a second belt pulley (46) connected with the transmission belt (45), the first screw rod (411) and the second screw rod (421) are respectively arranged on the upper end face of the frame (1), and the first screw rod (411) and the second screw rod (421) are respectively connected with the first belt pulley (43) and the second belt pulley (46) through the frame (43).

5. A motor armature shaft press-fitting device according to claim 4, characterized in that an output shaft of the drive motor (44) is connected to the first pulley (43) and the first screw (411), and the first pulley (43) and the first screw (411) are respectively connected to the output shaft by splines.

6. The motor armature shaft press-fitting device according to claim 5, further comprising protective housings (2) disposed on both sides of an upper end surface of the frame (1), protective cover plates (21) disposed on inner sides of the protective housings (2), and sliding grooves (211) disposed on each protective cover plate (21) and adapted to the first moving seat (41) and the second moving seat (42), wherein the protective housings (2) are fixedly connected with the frame (1), and the protective cover plates (21) are detachably connected with the protective housings (2).

7. A motor armature shaft press-fitting device according to claim 6, further comprising guide bars (47) slidably connected to the first moving seat (41) and the second moving seat (42), respectively, the guide bars (47) being fixedly provided in the protective housing (2).