CN211760743U - Grinding equipment for precision machining of motor shaft core - Google Patents
Grinding equipment for precision machining of motor shaft core Download PDFInfo
- Publication number
- CN211760743U CN211760743U CN202020397470.7U CN202020397470U CN211760743U CN 211760743 U CN211760743 U CN 211760743U CN 202020397470 U CN202020397470 U CN 202020397470U CN 211760743 U CN211760743 U CN 211760743U
- Authority
- CN
- China
- Prior art keywords
- push
- motor shaft
- shaft core
- carousel
- emery wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses a grinding device for motor shaft core precision finishing, including the carousel, and install the emery wheel on the carousel, set up the slide opening that a plurality of runs through its lateral wall along circumference in the carousel, slidable mounting has fixed bolt in the slide opening, set up the pinhole with fixed bolt matched with on the emery wheel inside wall, install the push-and-pull mechanism with fixed bolt connection on the carousel, control stretching out and the withdrawal of fixed bolt through operating push-and-pull mechanism, when fixed bolt released from the slide opening and inserted in the pinhole, carousel and emery wheel are connected and are fixed through fixed bolt, avoided leading to the fact emery wheel internal stress great through the fixed emery wheel of mode of compressing tightly, thereby avoided the easy drawback that takes place to burst apart of emery wheel.
Description
Technical Field
The embodiment of the utility model provides a relate to the abrasive machining technical field, concretely relates to a grinding device for motor shaft core precision finishing.
Background
With the social development, the industrialization degree is deepened continuously, wherein the popularization of electric power generates a large driving force for industrial manufacture, and the technology of the motor serving as a core device for converting electric energy into mechanical energy is also developed greatly. An electromagnetic dc motor is composed of stator magnetic poles, rotor (armature), commutator, brush, casing and shaft core.
At the in-process of processing axle core, need carry out turning and grinding to the axle core, make the axle core reach the size and the axiality of requirement through the turning to guarantee motor pivoted steady, make axle core surface smooth through grinding, reduce the wearing and tearing in the axle core use and generate heat.
At present, grinding equipment fixes a grinding wheel and a rotating shaft in a mode that an end cover compresses the grinding wheel, the compression force is related to whether the grinding wheel is fixed firmly or not, but the compression force can also cause the internal stress of the grinding wheel to be larger, and when the grinding wheel rotates highly, the grinding wheel is easy to crack under the action of the internal stress and the centrifugal force, so that serious potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a grinding device for motor shaft core precision finishing to among the solution prior art, owing to the great easy problem that takes place to burst apart of emery wheel internal stress that leads to through compressing tightly the fixed emery wheel of mode.
In order to achieve the above object, the embodiment of the present invention discloses the following technical solutions:
the grinding equipment for precisely machining the motor shaft core comprises a rotary table and a grinding wheel arranged on the rotary table, wherein a plurality of sliding holes penetrating through the outer side wall of the rotary table are formed in the rotary table along the circumferential direction, a fixed bolt is arranged in each sliding hole in a sliding mode, a pin hole matched with the fixed bolt is formed in the inner side wall of the grinding wheel, and a push-pull mechanism connected with the fixed bolt is arranged on the rotary table.
Furthermore, a sliding groove communicated with the pin hole is formed in the disc surface on one side of the turntable, the push-pull mechanism comprises a sliding block, push-pull rods hinged to the sliding block and linkage rings connected with the push-pull rods, one end of each sliding block is slidably mounted in the sliding groove and connected with the fixed bolt, one end, opposite to the sliding block, of each push-pull rod is hinged to the linkage ring, and the linkage rings are mounted on the disc surface on one side of the turntable through fasteners.
Further, the fastener is the screw, link ring with all seted up on the quotation of carousel one side with screw hole that screw matched with.
Furthermore, the outer wall of the rotary table is connected with a positioning key, and the inner wall of the grinding wheel is provided with a key groove matched with the positioning key.
Furthermore, a plurality of slide holes are distributed around the axis of the turntable in a radial shape.
The utility model discloses an embodiment has following advantage:
when the grinding wheel is installed, all fixing bolts are pulled by operating the push-pull mechanism, all the fixing bolts are retracted into the sliding holes, then the grinding wheel is sleeved on the rotary table, the depth of the grinding wheel in which the grinding wheel is sleeved is adjusted, the pin holes are matched with the fixing bolts in position, then all the fixing bolts are pushed out of the sliding holes by operating the push-pull mechanism, the grinding wheel is axially and circumferentially positioned through a plurality of fixing bolts, so that the grinding wheel is fixed on the rotary table, the steps of the grinding wheel are opposite to those in the process of disassembling, the problem that the grinding wheel is poor in fixing effect due to the fact that the grinding wheel is fixed in a pressing mode is avoided, the defect that the grinding wheel is large in internal stress and easy to crack is.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
In the figure:
1-a turntable; 2-grinding wheel; 3-a slide hole; 4-fixing the bolt; 5-pin holes; 6-a chute; 7-a slide block; 8, a push-pull rod; 9-a linkage ring; 10-a fastener; 11-a positioning key; 12-keyway.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a grinding device for motor shaft core precision finishing, including the equipment principal, rotate the pivot of installing in the equipment principal, install carousel 1 in the pivot to and install emery wheel 2 on carousel 1, set up a plurality of slide opening 3 that runs through its outside wall along circumference in carousel 1, slidable mounting has fixing bolt 4 in the slide opening 3, set up on the 2 inside walls of emery wheel with fixing bolt 4 matched with pinhole 5, install the push-and-pull mechanism of being connected with fixing bolt 4 on the carousel 1.
The rotating shaft is fixedly inserted in a shaft hole in the center of the turntable 1, when the grinding wheel 2 is installed, the push-pull mechanism is operated to pull all the fixing bolts 4 to enable all the fixing bolts 4 to retract into the sliding holes 3, then the grinding wheel 2 is sleeved on the turntable 1, the sleeving depth of the grinding wheel 2 is adjusted to enable the pin holes 5 to be matched with the positions of the fixing bolts 4, then the push-pull mechanism is operated to push all the fixing bolts 4 out of the sliding holes 3 and to be inserted into the pin holes 5 opposite to the sliding holes 3, the size of the fixing bolts 4 is matched with the size of the pin holes 5, the grinding wheel 2 and the turntable 1 are prevented from rotating relatively, the grinding wheel 2 is axially and circumferentially positioned through the plurality of fixing bolts 4, so that the grinding wheel 2 is fixed on the turntable 1, the grinding wheel 2 is detached only by being opposite to the steps, the defects that the fixing effect of the grinding wheel 2 is poor due to the fact that the grinding wheel 2 is fixed in, and the disassembly and assembly mode of the grinding wheel 2 is simple and convenient to operate.
Be connected with the navigation key 11 on the 1 outer wall of carousel, be equipped with on the 2 inner walls of emery wheel with navigation key 11 matched with keyway 12, the one end that carousel 1 was kept away from to keyway 12 is sealed, through keyway 12 and navigation key 11's cooperation, carries out the injecing of axial and circumference to the mounted position of emery wheel 2 to be convenient for with the one-to-one of fixing bolt 4 and pinhole 5, make things convenient for the installation of emery wheel 2.
Offer the spout 6 that is linked together with pinhole 5 on the quotation of carousel 1 one side, push-and-pull mechanism includes slider 7, with slider 7 articulated push-and-pull rod 8 to and connect the link ring 9 of a plurality of push-and-pull rod 8, slider 7 one end slidable mounting is in spout 6, and is connected with fixing bolt 4, and a plurality of push-and-pull rod 8 all articulates with link ring 9 for the one end of slider 7, and link ring 9 passes through fastener 10 to be installed on the quotation of carousel 1 one side.
When the linkage ring 9 is pulled in a direction away from the turntable 1, the linkage ring 9 drives the push-pull rod 8 hinged with the linkage ring 9 to move, so that the length of the push-pull rod 8 in the radial direction is reduced, the push-pull rod 8 drives the sliding block 7 and the fixing bolt 4 to move towards the axis of the turntable 1 until the fixing bolt 4 retracts into the sliding hole 3, and conversely, when the linkage ring 9 is pushed, the push-pull rod 8 pushes the sliding block 7 and the fixing bolt 4 out until the linkage ring 9 is attached to the surface of the turntable 1, the linkage pipe is fixed with the turntable 1 through the fastener 10, so that the push-pull rod 8, the sliding block 7 and the fixing bolt 4 are fixed, the turntable 1 and the grinding wheel 2 are fixed through the fixing bolt 4, and the operation is convenient and rapid.
The fastener 10 is a screw, threaded holes matched with the screw are formed in the disc surfaces on one sides of the linkage ring 9 and the rotary disc 1, in addition, in order to ensure that the linkage ring 9 is coaxial with the rotary disc 1 all the time in the movement process, namely, each push-pull rod 8 is uniformly stressed, the linkage ring 9 is connected with the rotary disc 1 through a plurality of guide rods which are uniformly distributed, a guide hole penetrating through one end surface of the linkage ring is formed in the rotary disc 1, the linkage ring 9 is ensured to be coaxial with the rotary disc 1 all the time through the matching of the guide hole and the guide rods, the phenomenon that the linkage ring 9 is clamped in the movement process due to the fact that each push-pull rod 8 is unevenly stressed is avoided, an operator pushes and pulls the linkage ring 9 through holding the screw connected with the linkage ring 9 through.
The sliding holes 3 are distributed in a radial shape around the axis of the rotary table 1, so that the push-pull resistance of the fixing bolt 4 is reduced.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The grinding equipment for precisely machining the motor shaft core is characterized by comprising a rotary table (1) and a grinding wheel (2) installed on the rotary table (1), wherein a plurality of sliding holes (3) penetrating through the outer side wall of the rotary table (1) are formed in the rotary table (1) along the circumferential direction, a fixing bolt (4) is installed in each sliding hole (3) in a sliding mode, a pin hole (5) matched with the fixing bolt (4) is formed in the inner side wall of the grinding wheel (2), and a push-pull mechanism connected with the fixing bolt (4) is installed on the rotary table (1).
2. The grinding device for precisely machining the motor shaft core is characterized in that a sliding groove (6) communicated with a pin hole (5) is formed in the disc surface on one side of the rotary disc (1), the push-pull mechanism comprises a sliding block (7), a push-pull rod (8) hinged to the sliding block (7) and a linkage ring (9) connected with the push-pull rods (8), one end of the sliding block (7) is slidably installed in the sliding groove (6) and connected with the fixed bolt (4), one ends, opposite to the sliding block (7), of the push-pull rods (8) are hinged to the linkage ring (9), and the linkage ring (9) is installed on the disc surface on one side of the rotary disc (1) through fasteners (10).
3. The grinding device for precisely machining the motor shaft core is characterized in that the fastening piece (10) is a screw, and threaded holes matched with the screw are formed in the linkage ring (9) and the disc surface on one side of the turntable (1).
4. The grinding device for precisely machining the motor shaft core is characterized in that a positioning key (11) is connected to the outer wall of the rotary table (1), and a key groove (12) matched with the positioning key (11) is formed in the inner wall of the grinding wheel (2).
5. The grinding device for precisely machining the motor shaft core according to claim 1, wherein a plurality of the sliding holes (3) are distributed in a radial shape around the shaft center of the rotating disc (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397470.7U CN211760743U (en) | 2020-03-25 | 2020-03-25 | Grinding equipment for precision machining of motor shaft core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020397470.7U CN211760743U (en) | 2020-03-25 | 2020-03-25 | Grinding equipment for precision machining of motor shaft core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211760743U true CN211760743U (en) | 2020-10-27 |
Family
ID=72933256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020397470.7U Active CN211760743U (en) | 2020-03-25 | 2020-03-25 | Grinding equipment for precision machining of motor shaft core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211760743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967879A (en) * | 2021-11-04 | 2022-01-25 | 东莞市婕扬机械有限公司 | Grinding wheel and grinding device |
-
2020
- 2020-03-25 CN CN202020397470.7U patent/CN211760743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967879A (en) * | 2021-11-04 | 2022-01-25 | 东莞市婕扬机械有限公司 | Grinding wheel and grinding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020103219A1 (en) | Direct-drive drilling machine or milling machine with external rotor electric motor | |
| CN211760743U (en) | Grinding equipment for precision machining of motor shaft core | |
| CN102832763A (en) | Surface-mounted permanent magnet synchronous motor magnetic steel seamless assembling apparatus and assembling and repairing processes | |
| CN109671540A (en) | A kind of frame winch | |
| CN206558368U (en) | Transformer coil production coil winding machine | |
| CN210468956U (en) | Motor housing | |
| CN107900383B (en) | Motorized spindle of numerical control machine tool | |
| CN209046439U (en) | A kind of rotor being easily installed | |
| CN104811014B (en) | A kind of permanent magnetism asynchronous speed-adjustable device | |
| CN102773510A (en) | Coaxiality tool for stators and casting of efficient motors | |
| CN213795975U (en) | Motor stator external grinding mandrel tool | |
| CN212762112U (en) | Drilling and tapping device for motorcycle brake drum production | |
| CN104485798A (en) | Stepless-regulation stator sliding type permanent-magnet retarder directly driven by AC (alternating current) servo motor | |
| CN201590711U (en) | Servomotor for sewing machine | |
| CN117805612B (en) | Integrated motor testing equipment and using method | |
| CN113726048B (en) | Synchronous permanent magnet frequency conversion high-efficiency motor | |
| CN201447260U (en) | Fast expanding-type expanding-tightening wire coil device | |
| CN219760757U (en) | Dustproof motor | |
| CN207732571U (en) | A kind of rotor carries the motor of fan blade fast fixing structure | |
| CN216991825U (en) | Pipeline cutting auxiliary device for hydraulic engineering | |
| CN210724429U (en) | Self-cooling motor structure | |
| CN220660180U (en) | Processing tool for permanent magnet synchronous motor rotor | |
| CN207074927U (en) | A kind of motor of linkage brake | |
| CN210522817U (en) | Centrifugal equipment for process for remanufacturing lining ceramic by waste oil pipe | |
| CN220653079U (en) | Quick detach formula motor housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |