CN216066984U

CN216066984U - High stable electric main shaft for emery wheel

Info

Publication number: CN216066984U
Application number: CN202023244851.0U
Authority: CN
Inventors: 陈永旺; 胡滨
Original assignee: ANYANG SIPU MACHINERY CO LTD
Current assignee: ANYANG SIPU MACHINERY CO LTD
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2022-03-18
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a high stable electric main shaft for emery wheel, including electric main shaft and casing, the main shaft rotates to be installed inside the casing, gland and back gland before being fixed with through the spiral on the casing, the casing is inside to be fixed with the multiunit bearing, rotor and stator, fixed coordination between electric main shaft and the multiunit bearing, and contact between rotor and the stator all and the electric main shaft, be fixed with the compensating ring on the electric main shaft outer wall, one of electric main shaft is served and is fixed with the sand table clamp body, be fixed with a plurality of fin on the sand table clamp body, be equipped with on the casing a plurality of coolant liquid pipeline and be equipped with the connection mouth of being connected with the coolant liquid pipeline on the casing. The heat generated when the electric spindle is used is subjected to timely heat exchange, the service life of the electric spindle is prolonged, the heat generated by the sand disc is dissipated, and the electric spindle is prevented from being transmitted.

Description

High stable electric main shaft for emery wheel

Technical Field

The utility model relates to the technical field of electric spindle equipment, in particular to an electric spindle for a high-stability grinding wheel.

Background

An electric spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines. The main shaft is a set of components and comprises an electric main shaft and accessories thereof, namely the electric main shaft, a high-frequency conversion device, an oil mist lubricator, a cooling device, a built-in encoder, a tool changer and the like. The transmission structure form of the spindle motor and the machine tool spindle which are combined into a whole enables the spindle part to be relatively independent from a transmission system and an integral structure of the machine tool, so that the spindle motor can be made into a spindle unit which is commonly called as an electric spindle. At present electric main shaft still can be used on the grinding machine, use through fixed grinding apparatus, the grinding apparatus not only electric main shaft self rotation can produce the heat when using, also can produce a large amount of heats when polishing of grinding apparatus simultaneously, if do not carry out timely heat dissipation to these heats, can transmit on electric main shaft through connection structure, increase electric main shaft's heat, give electric main shaft's heat dissipation increase pressure, thereby reduce electric main shaft's life, and the grinding apparatus can produce a large amount of dusts when using, these dusts can be to adsorbing on electric main shaft, cause the influence to electric main shaft.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a high-stability electric spindle for a grinding wheel, which can dissipate heat generated by a grinding tool in time, avoid the influence of heat on the electric spindle, and prolong the service life of the electric spindle.

The electric spindle comprises an electric spindle body and a shell, wherein the spindle body is rotatably installed inside the shell, a front gland and a rear gland are fixed on the shell through screws, a plurality of groups of bearings, a rotor and a stator are fixed inside the shell, the electric spindle body is fixedly matched with the plurality of groups of bearings, the rotor and the stator are in contact with the electric spindle body, a balance ring is fixed on the outer wall of the electric spindle body, a sand disc clamp body is fixed on one end of the electric spindle body, a plurality of cooling fins are fixed on the sand disc clamp body, and a plurality of cooling liquid pipelines are arranged on the shell, and a connecting nozzle connected with the cooling liquid pipelines is arranged on the shell.

Preferably, a dust cover is fixed at one end of the shell close to the sand disc clamp body.

Preferably, a lifting rod 4 is fixed on one end of the shell body, which is far away from the sand plate clamp body.

Preferably, the sand disc clamp is coaxially fixed with fan blades, and the material of the fan blades is the same as that of the sand disc clamp.

Preferably, a disk-shaped dust cover is fixed on the dust cover.

Preferably, a circular protective cover facing one side of the sand disc clamp body is fixed at one end, far away from the shell, of the dust shield.

Preferably, a plurality of transverse pipes are fixed on the dust hood and are communicated with the cooling liquid pipeline.

The utility model has the beneficial effects that: the stability of electric main shaft when using can be improved, the end face when reducing electric main shaft and using is beated, carries out timely heat transfer to the heat that the electric main shaft produced when using, improves electric main shaft's life, still dispels the heat to the heat that the sand table produced, avoids transmitting to electric main shaft on, further improvement electric main shaft's life, reduces the harm of dust to electric main shaft.

Drawings

Fig. 1 is a schematic structural view of the entire front surface of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The electric spindle for the high-stability grinding wheel comprises an electric spindle 16 and a shell 1, wherein the spindle 16 is rotatably mounted inside the shell 1, and the electric spindle is characterized in that a front gland and a rear gland are fixed on the shell 1 through screws, a plurality of groups of bearings 5, a rotor 8 and a stator 7 are fixed inside the shell 1, the electric spindle 16 is fixedly matched with the plurality of groups of bearings 5, the rotor 8 and the stator 7 are in contact with the electric spindle 16, a balance ring 6 is fixed on the outer wall of the electric spindle 16, a sand disc clamp 15 is fixed on one end of the electric spindle 16, a plurality of cooling fins 14 are fixed on the sand disc clamp 15, a plurality of cooling liquid pipelines 2 are arranged on the shell 1, and a connecting nozzle 3 connected with the cooling liquid pipelines 2 is arranged on the shell 1.

When the device is used, the device is firstly installed on a lathe to be used, then a sand disc is fixed on a sand disc clamp body 15, a power supply is switched on, so that an electric spindle 16 starts to work, when the device is used, the stability of the electric spindle 16 during rotation can be improved through the arranged rotor 8, stator 7 and balance ring 6, so that the end face bounce of the electric spindle 16 is reduced, the precision of a plurality of components is adjusted during manufacturing and production, the precision of the device during assembly is improved, the sand disc body is matched with the electric spindle 16 through the conical end face, the assembly precision is further improved, the end face bounce of the electric spindle 16 is further reduced, after a plurality of accessories are assembled together, the adjustment and matching are carried out, the precision of the electric spindle 16 is further improved, and when the device is used, the connecting nozzle 3 is communicated with a supercooling device, make the coolant liquid flow in pipeline inside, realize carrying out the heat transfer cooling to the heat that electricity main shaft 16 produced when rotating, improve the result of use of electricity main shaft 16 to fixed a plurality of fin 14 on sand table clamp 15, can carry out timely the scattering to the heat that the sand table produced, avoid causing the influence to electricity main shaft 16, further improvement device's life.

A dust cover 11 is fixed on one end of the shell 1 close to the sand disc clamp body 15.

Through the dust cover 11 that sets up, the dust that can further avoid the sand table to produce causes the influence to electric main shaft 16, and then improves electric main shaft 16's life.

A lifting rod 4 is fixed on one end of the shell 1, which is far away from the sand disc clamp body 15.

Through setting up and lifting rod 4, effect when can improving the device and carry is convenient for snatch the device.

The sand disc clamp 15 is coaxially fixed with fan blades 13, and the material of the fan blades 13 is the same as that of the sand disc clamp 15.

Through setting up flabellum 13, make flabellum 13 blow during the use to the direction orientation of blowing deviates from the one end of casing 1, not only can carry out the forced air cooling to sand table clamp 15, improves refrigerated effect, can also blow the production dust, and further avoid the dust to fall on electric main shaft 16, improve electric main shaft 16's life, the radiating effect of improvement that flabellum 13 that the material is the same can be further.

A disc-shaped dust cover 10 is fixed on the dust cover 11.

The dust shielding cover 10 can shield dust, prevent the dust from falling on the shell 1, reduce the pollution of the shell 1 and avoid the influence of the dust on the heat dissipation of the electric spindle 16.

And a circular protective cover 12 facing one side of the sand disc clamp body 15 is fixed on one end of the dust cover 10 far away from the shell 1.

The protective cover 12 can prevent the fan blades 13 from damaging an operator when the device is used, improve the safety of the device when the device is used, and further prevent dust from diffusing.

A plurality of transverse pipes 9 are fixed on the dust hood 10 and are communicated with the cooling liquid pipeline 2.

Through setting up a plurality of horizontal pipes 9 of being connected with coolant liquid pipeline 2 for fan blade 13 blows the cold gas that the coolant liquid produced to fin 14 and emery wheel clamp body, thereby the radiating effect when further improving the device use increases the life of electric main shaft 16.

The above-mentioned embodiments do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention by those skilled in the art should be included in the protection scope defined by the claims of the present invention without departing from the design concept of the present invention.

Claims

1. An electric spindle for a high-stability grinding wheel comprises an electric spindle (16) and a shell (1), wherein the spindle (16) is rotatably arranged in the shell (1), it is characterized in that a front gland and a rear gland are fixed on the shell (1) through a screw, a plurality of groups of bearings (5), a rotor (8) and a stator (7) are fixed in the shell (1), the electric spindle (16) is fixedly matched with the plurality of groups of bearings (5), and the rotor (8) and the stator (7) are both contacted with the electric spindle (16), a balance ring (6) is fixed on the outer wall of the electric main shaft (16), a sand disc clamp body (15) is fixed on one end of the electric main shaft (16), a plurality of radiating fins (14) are fixed on the sand disc clamp body (15), a plurality of cooling liquid pipelines (2) are arranged on the shell (1), and a connecting nozzle (3) connected with the cooling liquid pipelines (2) is arranged on the shell (1).

2. The electric spindle for the high-stability grinding wheel according to claim 1, characterized in that a dust cover (11) is fixed on one end of the housing (1) close to the sand chuck body (15).

3. The electric spindle for the high-stability grinding wheel according to claim 1, characterized in that a lifting rod (4) is fixed on one end of the housing (1) facing away from the sand table clamp body (15).

4. The electric spindle for the high-stability grinding wheel according to claim 1, characterized in that the sand disc clamp body (15) is coaxially fixed with fan blades (13), and the material of the fan blades (13) is the same as that of the sand disc clamp body (15).

5. The motorized spindle for highly stable grinding wheels according to claim 2, characterized in that a disc-shaped dust cover (10) is fixed to the dust cover (11).

6. The motorized spindle for the high-stability grinding wheel according to claim 5, characterized in that a circular protective cover (12) facing the sand chuck body (15) is fixed on one end of the dust cover (10) far away from the housing (1).

7. The motorized spindle for the high-stability grinding wheel according to claim 5, characterized in that a plurality of transverse pipes (9) are fixed on the dust hood (10), and the transverse pipes (9) are all communicated with the cooling liquid pipeline (2).