CN218801538U

CN218801538U - Double-grinding-wheel mounting structure of main shaft

Info

Publication number: CN218801538U
Application number: CN202223475189.9U
Authority: CN
Inventors: 王泽斌; 张军华; 肖康
Original assignee: Shenzhen Hannock Precision Technology Co ltd
Current assignee: Shenzhen Hannock Precision Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-07
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a two emery wheel mounting structure of main shaft, include: the electric spindle comprises an electric spindle body and a spindle core rotatably arranged in the electric spindle body, a motor stator and a motor rotor are arranged in the electric spindle body, and the first end of the spindle core penetrates out of the electric spindle body. Be equipped with first emery wheel installation position and first external screw thread portion on the outer wall of the first end of axle core, first external screw thread portion threaded connection has first lock nut. The end part of the first end of the shaft core is fixed with a cutter head through a bolt, the outer wall of the cutter head is provided with a second grinding wheel installation position and a second external thread part, and the second external thread part is in threaded connection with a second locking nut. The utility model has the advantages that: this structure can install two emery wheels simultaneously on the axle center, realizes two emery wheel work of same electric main shaft drive, and then realizes that a machine of grinding both can carry out the corase grind, can carry out the twice process of correct grinding again, simple structure, and the equipment is convenient, preparation and use cost are low.

Description

Double-grinding-wheel mounting structure of main shaft

Technical Field

The utility model relates to a grind the technical field of machine main shaft, in particular to two emery wheel mounting structure of main shaft.

Background

In the tool production and processing industry, a grinder is required to grind and process the tool. Most of the electric main shafts of the grinding machines are provided with a grinding wheel arranged on a shaft core. The grinding process of the cutter needs two procedures of rough grinding and accurate grinding, at present, two grinding machines are generally adopted in the industry to carry out rough grinding and accurate grinding respectively, and the processing mode has higher cost.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a two emery wheel mounting structure of main shaft.

In order to achieve the above object, the utility model provides a two emery wheel mounting structure of main shaft, include: the electric spindle body and the shaft core which is arranged in the electric spindle body in a rotating mode are arranged, the motor stator and the motor rotor are arranged in the electric spindle body, the motor rotor is coaxially fixed on the shaft core, the motor stator drives the motor rotor to rotate and drive the shaft core to rotate, and the first end of the shaft core penetrates out of the electric spindle body. Be equipped with first emery wheel installation position and first external screw thread portion on the outer wall of axle core first end, first external screw thread portion threaded connection has first lock nut, and first lock nut supports first emery wheel tightly at first emery wheel installation position. The end part of the first end of the shaft core is fixed with a cutter head through a bolt, the outer wall of the cutter head is provided with a second grinding wheel installation position and a second external thread part, the second external thread part is in threaded connection with a second locking nut, and the second locking nut tightly supports a second grinding wheel on the second grinding wheel installation position.

Preferably, a plurality of first dismounting wrench holes are formed in the first locking nut and the second locking nut.

Preferably, the end part of the first end of the shaft core is provided with a mounting groove which is coaxial with the shaft core in a recessed mode, the cutter head is provided with a positioning part inserted into the mounting groove, and the bolt is fixed at the bottom of the mounting groove along the axial direction of the shaft core.

Preferably, the inner peripheral wall of the mounting groove is in close fit with the outer peripheral wall of the positioning part in a conical surface manner.

Preferably, a plurality of second dismounting wrench holes are further formed in the cutter head.

Compared with the prior art, the beneficial effects of the utility model reside in that: this structure can install two emery wheels simultaneously on the axle center, realizes two emery wheel work of same electric main shaft drive, and then realizes that a machine of grinding both can carry out the corase grind, can carry out the twice process of correct grinding again, simple structure, and the equipment is convenient, preparation and use cost are low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a perspective view of a first locking nut according to an embodiment of the present invention;

fig. 4 is a perspective view of a cutter head according to an embodiment of the present invention;

the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The utility model provides a two emery wheel mounting structure of main shaft.

Referring to fig. 1-4, fig. 1 is a structural view of an overall cross section of an embodiment of the present invention, fig. 2 is a partial enlarged view of a position a in fig. 1, fig. 3 is a perspective view of a first locking nut in an embodiment of the present invention, and fig. 4 is a perspective view of a cutter head in an embodiment of the present invention.

As shown in fig. 1-2, in the embodiment of the present invention, the double-grinding-wheel mounting structure of the spindle comprises: electric main shaft body 1 and the axle core 2 of establishing in electric main shaft body 1 rotate, are equipped with motor stator 3 and electric motor rotor 4 in the electric main shaft body 1, and electric motor rotor 4 is coaxial to be fixed on axle core 2, and motor stator 3 driving motor rotor 4 rotates and drives axle core 2 and rotate, and electric main shaft body 1 is worn out to the first end of axle core 2. The outer wall of the first end of the shaft core 2 is provided with a first grinding wheel mounting position 5 and a first external thread part 6, the first external thread part 6 is in threaded connection with a first locking nut 7, and the first locking nut 7 tightly supports a first grinding wheel (not shown in the figure) on the first grinding wheel mounting position 5. A cutter head 9 is fixed at the end part of the first end of the shaft core 2 through a bolt 8, a second grinding wheel mounting position 10 and a second external thread part 11 are arranged on the outer wall of the cutter head 9, the second external thread part 11 is in threaded connection with a second locking nut 12, and the second locking nut 12 tightly supports a second grinding wheel (not shown in the figure) at the second grinding wheel mounting position 10. This structure can install two emery wheels simultaneously on axle core 2, realizes two emery wheel work of same electric main shaft drive, and then realizes that a machine of grinding both can carry out the corase grind, can carry out the correct grinding twice process again, simple structure, and the equipment is convenient, and preparation and use cost are low.

As shown in fig. 3-4, the first locking nut 7 and the second locking nut 12 are both provided with a plurality of first dismounting wrench holes 13 for facilitating dismounting the first locking nut 7 and the second locking nut 12. The end part of the first end of the shaft core 2 is provided with a mounting groove 14 which is coaxial with the shaft core, the cutter head 9 is provided with a positioning part 15 which is inserted into the mounting groove 14, and the bolt 8 is fixed at the bottom of the mounting groove 14 along the axial direction of the shaft core 2, so that the cutter head 9 is more stably mounted and is not easy to deviate from the axis. The inner peripheral wall of the mounting groove 14 is tightly matched with the outer peripheral wall of the positioning part 15 by a conical surface, so that the mounting stability of the cutter head 9 can be further improved. A plurality of second dismounting wrench holes 16 are further formed in the cutter head 9, so that the cutter head 9 can be conveniently dismounted.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A double wheel mounting structure of a spindle, comprising: the electric spindle comprises an electric spindle body and a spindle core rotatably arranged in the electric spindle body, wherein a motor stator and a motor rotor are arranged in the electric spindle body, the motor rotor is coaxially fixed on the spindle core, the motor stator drives the motor rotor to rotate so as to drive the spindle core to rotate, and the first end of the spindle core penetrates out of the electric spindle body; the grinding wheel spindle is characterized in that a first grinding wheel mounting position and a first external thread part are arranged on the outer wall of the first end of the spindle core, the first external thread part is in threaded connection with a first locking nut, and the first locking nut enables the first grinding wheel to be tightly abutted to the first grinding wheel mounting position; the end part of the first end of the shaft core is fixedly provided with a cutter head through a bolt, the outer wall of the cutter head is provided with a second grinding wheel installation position and a second external thread part, the second external thread part is in threaded connection with a second locking nut, and the second locking nut tightly supports a second grinding wheel against the second grinding wheel installation position.

2. The double-grinding-wheel mounting structure of a spindle according to claim 1, wherein the first lock nut and the second lock nut are each provided with a plurality of first disassembly and assembly wrench holes.

3. The double grinding wheel mounting structure of a spindle according to claim 1, wherein an end portion of the first end of the spindle core is recessed to provide a mounting groove coaxial therewith, the cutter head is provided with a positioning portion inserted into the mounting groove, and the bolt is fixed to a groove bottom of the mounting groove in the axial direction of the spindle core.

4. The double grinding wheel mounting structure of a spindle according to claim 3, wherein an inner peripheral wall of the mounting groove is in close fit with an outer peripheral wall of the positioning portion in a tapered surface.

5. The double grinding wheel mounting structure of claim 3, wherein said cutter head further has a plurality of second removable wrench holes.