CN215748360U

CN215748360U - Three-phase asynchronous motor end cover circumference grinding equipment

Info

Publication number: CN215748360U
Application number: CN202122177424.3U
Authority: CN
Inventors: 蒋运明; 陈安祥; 张兵; 王勇
Original assignee: Chongqing Kecen Motor Manufacturing Co ltd
Current assignee: Chongqing Kecen Motor Manufacturing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-08
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to a three-phase asynchronous motor end cover circumference grinding device, which comprises a base, a slide rail arranged on the base, a mobile station arranged in the slide rail in a sliding manner, and a grinding wheel movably arranged above the base through a pneumatic telescopic mechanism, wherein when the three-phase asynchronous motor end cover circumference grinding device is used, a motor end cover to be processed is placed on a bearing disc, the motor end cover is fixed on the bearing disc through a stabilizing mechanism, then the grinding wheel starts to work, simultaneously, the pneumatic telescopic mechanism works to drive the grinding wheel to descend until the grinding wheel is contacted with a grinding surface of the motor end cover, the grinding depth of the grinding wheel is adjusted, an intermittent walking mechanism drives the mobile station to slide in the slide rail intermittently, and when the mobile station stops sliding, the intermittent walking mechanism drives the bearing disc and the motor end cover on the bearing disc to rotate for a circle, so that after the mobile station slides for a stroke of the radius of the motor end cover, namely, the grinding processing of the radius of the motor end cover is completed.

Description

Three-phase asynchronous motor end cover circumference grinding equipment

Technical Field

The utility model relates to the technical field related to grinding equipment, in particular to three-phase asynchronous motor end cover circumference grinding equipment.

Background

The three-phase asynchronous motor is one kind of induction motor, and is one kind of motor powered by 380V three-phase AC current (120 deg phase difference), and 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 three-phase asynchronous motor is called three-phase asynchronous motor and is widely applied in many fields.

The motor end cover is a main part of a motor which is installed and matched with a motor shell and used for fixing a stator and a rotor in the motor, and in the actual production, the motor end cover is required to be subjected to grinding processing according to production requirements, wherein the grinding is cutting processing of processing the surface of a workpiece by utilizing grinding tools such as a grinding wheel rotating at a high speed.

At present, when grinding work is carried out, a worker usually holds a grinding wheel and controls the grinding wheel to finish grinding treatment of a motor end cover, so that the worker is easy to cause danger in operation due to high-speed rotation of the grinding wheel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-phase asynchronous motor end cover circumference grinding device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a three-phase asynchronous motor end cover circumference grinding device comprises a base, a sliding rail arranged on the base, a moving platform arranged in the sliding rail in a sliding mode, and a grinding wheel, wherein the grinding wheel is movably arranged above the base through a pneumatic telescopic mechanism, and the pneumatic telescopic mechanism is used for driving the grinding wheel to ascend or descend so as to change the grinding depth of a motor end cover;

bear the dish, the loading board rotates to be installed on the mobile station, bear and be provided with on the dish and be used for carrying out the firm mechanism that the centre gripping was fixed to the motor end cover, still install on the mobile station and be interrupted running gear, it is used for the drive to be interrupted running gear bear the dish and rotate and the mobile station is in discontinuously remove in the slide rail, so that the emery wheel changes the grinding position of motor end cover.

As a further scheme of the utility model: the bearing disc is provided with a plurality of deep grooves along the circumference, and the stabilizing mechanism comprises a plurality of groups of threaded assemblies respectively arranged in the deep grooves and a driving assembly arranged on the outer wall of the bearing disc and connected with the plurality of groups of threaded assemblies;

the screw assembly comprises a screw rod rotatably installed in the deep groove and a sliding block arranged in the deep groove in a sliding mode, the screw rod penetrates through the sliding block, a through hole for the screw rod to penetrate through is formed in the side portion of the sliding block, and threads matched with the screw rod are arranged in the through hole; and the upper part of the sliding block is also fixedly provided with a fastening piece which is arranged in an arc shape.

As a still further scheme of the utility model: drive assembly installs including rotating bear the weight of the swivel becket in the dish periphery and fix gear at the lead screw end, be provided with a plurality of teeth along circumference equidistance on the swivel becket, just the gear with tooth meshing.

As a still further scheme of the utility model: the intermittent travelling mechanism comprises an incomplete gear which is rotatably arranged on the upper part of the mobile station, a rack plate which is fixedly arranged above the base and a transmission belt which is connected with the rotating shafts of the incomplete gear and the bearing disc.

As a still further scheme of the utility model: the pneumatic telescopic mechanism comprises two sleeve plates, a telescopic plate, a transverse plate and a cylinder, wherein the two sleeve plates are fixed on two sides of the base respectively, the two sleeve plates are hollow inside, the telescopic plate is arranged in the sleeve plates in a sliding mode, the transverse plate is fixed on the upper portion of the telescopic plate, and the cylinder is installed on the side portion of the sleeve plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the grinding wheel is used, the motor end cover to be processed is placed on the bearing disc, the motor end cover is fixed on the bearing disc through the work of the stabilizing mechanism, then the grinding wheel starts to work, and meanwhile, the pneumatic telescopic mechanism works to drive the grinding wheel to descend until the grinding wheel is contacted with a grinding surface of the motor end cover, so that the grinding depth of the grinding wheel is adjusted;

2. after the adjustment is finished, the intermittent travelling mechanism works to drive the mobile platform to slide in the sliding rail intermittently, and when the mobile platform stops sliding, the intermittent travelling mechanism drives the bearing disc and the motor end cover on the bearing disc to rotate for a circle, so that after the mobile platform slides the radius stroke of the motor end cover, the grinding processing of the radius of the motor end cover is finished;

3. therefore, through the matching of each mechanism and each part in the grinding equipment, the efficient grinding function of the motor end cover is realized, the operation is simple, the automation is strong, excessive manual intervention is not needed, the safety of grinding processing is greatly improved, and the grinding equipment is suitable for popularization and use.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a three-phase asynchronous motor end cover circumference grinding device.

Fig. 2 is a schematic structural diagram of another angle of an embodiment of the three-phase asynchronous motor end cover circumference grinding device.

Fig. 3 is an enlarged view of a structure at a in fig. 2.

Fig. 4 is an exploded view of a stabilizing mechanism in an embodiment of the three-phase asynchronous motor end cover circumference grinding device.

FIG. 5 is a schematic diagram of the matching relationship between an incomplete gear and a rack plate in one embodiment of the three-phase asynchronous motor end cover circumference grinding device.

In the figure: 1-a base; 2-grinding wheel; 3-carrying tray; 4-sheathing; 5-a telescopic plate; 6-a transverse plate; 7-a cylinder; 8-driving a motor; 9-a screw rod; 10-a slide block; 11-a gear; 12-a rotating ring; 13-a fastener; 14-a slide rail; 15-a mobile station; 16-a rack plate; 17-incomplete gear; 18-transmission belt.

Detailed Description

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

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 5, in the embodiment of the present invention, a three-phase asynchronous motor end cover circumferential grinding apparatus includes a base 1, a slide rail 14 disposed on the base 1, and a mobile station 15 slidably disposed in the slide rail 14, and further includes a grinding wheel 2 movably disposed above the base 1 through a pneumatic telescopic mechanism, where the pneumatic telescopic mechanism is configured to drive the grinding wheel 2 to ascend or descend so as to change a grinding depth of a motor end cover;

the rotary mounting of mobile station 15 is gone up and is born dish 3, bear and be provided with on the dish 3 and be used for carrying out the firm mechanism that the centre gripping was fixed to the motor end cover, still install on the mobile station 15 and be interrupted running gear, it is used for the drive to be interrupted running gear bear the dish 3 and rotate and the mobile station 15 is in intermittently remove in the slide rail 14, so that emery wheel 2 changes the grinding position of motor end cover.

It should be noted that, during the operation of the apparatus, in order to ensure the grinding effect, the rotation direction of the carrier plate 3 is opposite to the rotation direction of the grinding wheel 2.

In the embodiment of the utility model, when the grinding device is used, a motor end cover to be processed is placed on the bearing disc 3, the motor end cover is fixed on the bearing disc 3 through the work of the stabilizing mechanism, then the grinding wheel 2 starts to work, and meanwhile, the pneumatic telescopic mechanism works to drive the grinding wheel 2 to descend until the grinding wheel contacts with the grinding surface of the motor end cover, so that the grinding depth of the grinding wheel is adjusted;

after the adjustment is finished, the intermittent travelling mechanism works to drive the movable platform 15 to slide in the slide rail 14 intermittently, and when the movable platform 15 stops sliding, the intermittent travelling mechanism drives the bearing plate 3 and the motor end cover on the bearing plate to rotate for a circle, so that after the movable platform 15 slides the radius stroke of the motor end cover, the grinding processing of the radius of the motor end cover is finished;

finally, the pneumatic telescopic mechanism works reversely, the grinding wheel 2 rises to the initial position, the fixing of the motor end cover by the stabilizing mechanism is released, and then the motor end cover is taken down from the bearing plate 3;

in conclusion, through the matching of various mechanisms and parts in the grinding equipment, on one hand, the efficient grinding function of the motor end cover is realized, the operation is simple, the automation is strong, and excessive manual intervention is not needed, so that the safety of grinding processing is greatly improved, and the grinding equipment is suitable for popularization and use;

on the other hand, in the process that the grinding is carried out, the motor end cover is clamped and fixed on the bearing plate 3 by the stabilizing mechanism, so that the stability of the motor end cover in the grinding process is ensured, the processing precision is effectively improved, and meanwhile, the phenomenon that the motor end cover falls off due to insufficient stability in the grinding process is prevented, and further danger is caused.

As an embodiment of the present invention, a plurality of deep grooves are formed along a circumference of the carrier plate 3, and the stabilizing mechanism includes a plurality of sets of screw assemblies respectively disposed in the deep grooves and a driving assembly disposed on an outer wall of the carrier plate 2;

the screw assembly comprises a screw rod 9 rotatably installed in the deep groove and a sliding block 10 arranged in the deep groove in a sliding manner, the screw rod 9 penetrates through the sliding block 10, a through hole for the screw rod 9 to penetrate through is formed in the side portion of the sliding block 10, threads matched with the screw rod 9 are arranged in the through hole, a fastening piece 13 is further fixed on the upper portion of the sliding block 10, and the fastening piece 13 is arranged in an arc shape;

drive assembly installs including rotating bear the weight of the rotating ring 12 on the 3 periphery of dish and fix gear 11 at the terminal of lead screw 9, be provided with a plurality of teeth along the circumference equidistance on the rotating ring 12, just gear 11 with the tooth meshing.

In detail, a plurality of protruding rods are circumferentially fixed on the outer periphery of the rotating ring 12, so that a public ancestor can conveniently hold the protruding rods to drive the rotating ring 12 to rotate when in use;

furthermore, a circular groove is formed in the outer wall of the bearing disc 3, a plurality of protruding blocks are fixed on the inner wall of the rotating ring 12 along the circumference, and the protruding blocks are located in the circular groove and are in sliding fit with the rotating ring 12;

furthermore, the central axes of both the spindle 9 and the carrier plate 3 are perpendicular.

In the embodiment of the utility model, when the rotating ring 12 rotates, the gear 11 is matched with teeth on the rotating ring 12 to rotate, meanwhile, the gear 11 drives the screw rod 9 to rotate, the slide block 10 is in threaded fit with the screw rod 9, so as to drive the fastening piece 13 to move towards the center of the bearing disc 3, and the fastening pieces 13 clamp and fix the end cover of the motor.

As an embodiment of the present invention, the intermittent traveling mechanism includes an incomplete gear 17 rotatably mounted on an upper portion of the moving stage 15, a rack plate 16 fixedly mounted above the base 1, and a belt 18 connecting rotation shafts of the incomplete gear 17 and the carrier tray 3;

one part of the incomplete gear 17 is arranged in a toothed mode, the other part of the incomplete gear 17 is arranged in a non-toothed mode, and the teeth on the incomplete gear 17 and the teeth on the rack plate 16 are matched.

It is noted that a cavity is also provided in the mobile station 15, in which cavity a drive is provided, the output of which is connected to the end of the rotation axis of the partial gear 17.

In the embodiment of the utility model, the incomplete gear 17 rotates, the moving platform 15, the carrier plate 3 and the motor end cover on the carrier plate 3 move in the process that the toothed part on the incomplete gear 17 is in contact fit with the rack plate 16, so that the grinding position is changed, after the toothed part on the incomplete gear 17 is separated from the rack plate 16, the moving platform 15 stops moving, and in the process, the grinding wheel 2 grinds the motor end cover.

It should be further noted that, a pulley for arranging the transmission belt 18 is respectively installed on the rotation shafts of the incomplete gear 17 and the carrier plate 3, and the diameter of the pulley on the rotation shaft of the incomplete gear 17 is larger than that of the pulley on the rotation shaft of the carrier plate 3, so as to: when the toothed part on the incomplete gear 17 is separated from the rack plate 16 (namely, when the mobile station 15 stops moving), the bearing disc 3 can drive the motor end cover to rotate for a circle, and the grinding comprehensiveness is ensured.

As an embodiment of the present invention, the pneumatic telescoping mechanism includes two sleeve plates 4 fixed on both sides of the base 1 respectively and having a hollow interior, a telescoping plate 5 slidably disposed in the sleeve plates 4, a cross plate 6 fixed on an upper portion of the telescoping plate 5, and a cylinder 7 installed on a side portion of the sleeve plate 4;

the movable end of the cylinder 7 is fixed with the telescopic plate, and the grinding wheel 2 is installed at the lower part of the transverse plate 6.

Of course, the upper part of the transverse plate 6 is also provided with a driving motor 8 for driving the grinding wheel 2 to work;

the cylinder 7 can also be replaced by an electric telescopic rod or a hydraulic cylinder, and the cylinder is not specifically limited in the application and can be selected according to actual requirements.

In the embodiment of the utility model, when the movable end of the cylinder 7 extends, the height of the transverse plate 6 and the height of the grinding wheel 2 are reduced, and conversely, the height of the transverse plate 6 and the height of the grinding wheel 2 are increased, so that the function of adjusting the height of the grinding wheel 2 is realized, and the grinding depth is convenient to adjust.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a three-phase asynchronous machine end cover circumference grinding equipment, includes base (1), sets up slide rail (14) and the slip setting on base (1) are in mobile station (15) in slide rail (14), its characterized in that still includes:

the grinding wheel (2) is movably arranged above the base (1) through a pneumatic telescopic mechanism, and the pneumatic telescopic mechanism is used for driving the grinding wheel (2) to ascend or descend so as to change the grinding depth of the motor end cover;

bear dish (3), loading board (3) rotate to be installed on mobile station (15), bear and be provided with on dish (3) and be used for carrying out the firm mechanism that the centre gripping was fixed to the motor end cover, still install on mobile station (15) and be interrupted running gear, it is used for the drive to interrupt running gear bear dish (3) rotate and mobile station (15) are in intermittently remove in slide rail (14), so that emery wheel (2) change the grinding position of motor end cover.

2. The circular grinding equipment for the end covers of the three-phase asynchronous motors is characterized in that a plurality of deep grooves are formed in the bearing disc (3) along the circumference, and the stabilizing mechanism comprises a plurality of groups of threaded assemblies respectively arranged in the deep grooves and a driving assembly which is arranged on the outer wall of the bearing disc (2) and connected with the plurality of groups of threaded assemblies.

3. The grinding device for the circumference of the end cover of the three-phase asynchronous motor is characterized in that the thread assembly comprises a screw rod (9) rotatably installed in the deep groove and a slide block (10) slidably arranged in the deep groove, the screw rod (9) penetrates through the slide block (10), a through hole for the screw rod (9) to penetrate through is formed in the side portion of the slide block (10), and threads matched with the screw rod (9) are arranged in the through hole;

the upper part of the sliding block (10) is also fixedly provided with a fastening piece (13), and the fastening piece (13) is arranged in an arc shape.

4. A three-phase asynchronous motor end cover peripheral grinding apparatus according to claim 3, characterized in that the drive assembly comprises a rotating ring (12) rotatably mounted on the outer periphery of the carrier disc (3) and a gear (11) fixed on the end of the screw rod (9), a plurality of teeth are provided on the rotating ring (12) at equal intervals along the circumference, and the gear (11) is engaged with the teeth.

5. The end cover circumferential grinding equipment for the three-phase asynchronous motor is characterized in that the intermittent travelling mechanism comprises an incomplete gear (17) rotatably mounted at the upper part of the moving table (15), a rack plate (16) fixedly mounted above the base (1) and a transmission belt (18) connecting the rotating shafts of the incomplete gear (17) and the carrier disc (3);

one part of the incomplete gear (17) is arranged in a toothed mode, the other part of the incomplete gear is arranged in a non-toothed mode, and the teeth on the incomplete gear (17) and the teeth on the rack plate (16) are matched.

6. The three-phase asynchronous motor end cover circumference grinding equipment according to claim 1, characterized in that the pneumatic telescoping mechanism comprises two sleeve plates (4) which are respectively fixed on two sides of the base (1) and are hollow inside, a telescoping plate (5) which is slidably arranged in the sleeve plates (4), a transverse plate (6) which is fixed on the upper part of the telescoping plate (5), and a cylinder (7) which is arranged on the side part of the sleeve plates (4);

the movable end of the cylinder (7) is fixed with the expansion plate, and the grinding wheel (2) is arranged at the lower part of the transverse plate (6).