CN211387700U

CN211387700U - Five numerical control CNC's C axle

Info

Publication number: CN211387700U
Application number: CN201921733286.9U
Authority: CN
Inventors: 杨立峰
Original assignee: Changzhou Yatong Cnc Technology Co ltd
Current assignee: Changzhou Yatong Cnc Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-09-01
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a C shaft of five-axis numerical control CNC, which comprises a motor, a cooling flange plate and a rotary encoder; the motor comprises a housing, a hollow rotor shaft and an end cover which is covered on the end part of the housing; a clapboard is arranged inside the housing; an installation cavity is formed among the partition plate, the inner wall of the housing and the end cover; one end of the rotor shaft is rotatably arranged at the end part of the housing; the other end penetrates through the partition plate and the end cover in sequence and is connected with the partition plate in a rotating way; the cooling flange is arranged at one end of the motor far away from the mounting cavity and is fixedly connected with the rotor shaft; the rotary encoder is arranged in the mounting cavity and sleeved on the rotor shaft. The utility model discloses set up the installation cavity, through filling into positive atmospheric pressure to the installation cavity, until being full of inside whole housing to guaranteed the inside gas tightness of motor, thereby prevented that the dust from getting into, positive atmospheric pressure can flow out in the clearance of the tip of motor casing moreover, thereby takes away the heat, has improved the motor thermal diffusivity, thereby has improved the life of motor.

Description

Five numerical control CNC's C axle

Technical Field

The utility model belongs to the technical field of a five numerical control CNC technique and specifically relates to a five numerical control CNC's C axle is related to.

Background

Five-axis CNC is widely applied to more machining industries because of the convenience and efficiency of machining parts with complex geometric shapes, and a C axis (a main shaft swing axis) is a very key axis of the five-axis CNC. Present drive shaft is when using for a long time because the thermal diffusivity is not enough and easy too early damage leads to manufacturing cost to increase, and the leakproofness is not enough moreover, gets into the dust easily moreover, influences the motor heat dissipation.

Therefore, it is necessary to design a C-axis of five-axis CNC to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a five numerical control CNC's that gas tightness, thermal diffusivity are good C axle.

Realize the utility model discloses the technical scheme of purpose is: a C shaft of a five-axis numerical control CNC comprises a motor, a cooling flange plate and a rotary encoder; the motor comprises a housing, a hollow rotor shaft and an end cover which is covered on the end part of the housing; a partition plate is arranged inside the housing; an installation cavity is formed among the partition plate, the inner wall of the housing and the end cover; one end of the rotor shaft is rotatably arranged at the end part of the housing; the other end penetrates through the partition plate and the end cover in sequence and is connected with the partition plate in a rotating way; the cooling flange plate is arranged at one end of the motor far away from the mounting cavity and is fixedly connected with the rotor shaft; the rotary encoder is arranged in the mounting cavity and sleeved on the rotor shaft; and the end cover is provided with an air inlet communicated with the mounting cavity.

Both sides of the peripheral surface of the cooling flange are provided with air inlets extending into the cooling flange; and the end surface of the cooling flange plate is provided with two air outlet holes communicated with the two air inlet holes.

And a motor wire connection base communicated with the inner cavity of the housing is arranged on the peripheral surface of the housing of the motor.

And a rotary encoder wire holder communicated with the mounting cavity is arranged on the peripheral surface of the housing of the motor.

And motor mounting seats are symmetrically arranged on two sides of the housing of the motor.

By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses set up the installation cavity, through filling into positive atmospheric pressure to the installation cavity, until being full of inside whole housing to guaranteed the inside gas tightness of motor, thereby prevented that the dust from getting into, positive atmospheric pressure can flow out in the clearance of the tip of motor casing moreover, thereby takes away the heat, has improved the motor thermal diffusivity, thereby has improved the life of motor.

(2) The utility model discloses a both sides of cooling ring flange outer peripheral face all are equipped with the inlet port that stretches into the cooling ring flange inside, and the terminal surface of cooling ring flange is equipped with the venthole of two and two inlet port intercommunications to dispel the heat to the equipment of installing on the ring flange.

(3) The utility model discloses set up motor line connection terminal, be convenient for carry out the wiring to the motor, can guarantee holistic gas tightness.

(4) The utility model discloses set up rotary encoder wire holder, be convenient for carry out the wiring to rotary encoder under the condition that keeps the gas tightness.

(5) The utility model discloses set up the motor mount pad, the installation of the motor of being convenient for.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic structural view of the cooling flange of the present invention.

The reference numbers in the drawings are:

the motor comprises a motor 1, a housing 1-1, a rotor shaft 1-2, an end cover 1-3, a partition plate 1-4, a mounting cavity 1-5, an air inlet 1-6, a motor wire connection base 1-7, a rotary encoder connection base 1-8, a motor mounting base 1-9, a cooling flange 2, an air inlet 2-1, an air outlet 2-2 and a rotary encoder 3.

Detailed Description

(example 1)

Referring to fig. 1 to 3, the C-axis of the five-axis CNC system of the present embodiment includes a motor 1, a cooling flange 2, and a rotary encoder 3.

The motor 1 comprises a housing 1-1, a hollow rotor shaft 1-2 and an end cover 1-3 covering the end part of the housing 1-1. A clapboard 1-4 is arranged inside the housing 1-1. An installation cavity 1-5 is formed among the partition plate 1-4, the inner wall of the housing 1-1 and the end cover 1-3. One end of the rotor shaft 1-2 is rotatably mounted at the end part of the housing 1-1 through a bearing, and the other end of the rotor shaft penetrates through the partition plate 1-4 and the end cover 1-3 in sequence and is rotatably connected with the partition plate 1-4 through the bearing. The cooling flange 2 is arranged at one end of the motor 1 far away from the installation cavity 1-5 and is fixedly connected with the rotor shaft 1-2. The rotary encoder 3 is arranged in the installation cavity 1-5 and sleeved on the rotor shaft 1-2. The end cover 1-3 is provided with an air inlet 1-6 communicated with the installation cavity 1-5, after the air is filled, the installation cavity 1-5 is filled firstly, then the whole housing 1-1 is filled in the gap of the bearing on the partition plate 1-4, and finally the air flows out of the housing from the gap between the bearings at the end part, so that the air tightness can be kept, the heat in the motor can be taken away, and the heat dissipation performance is improved.

Furthermore, air inlets 2-1 extending into the cooling flange 2 are arranged on two sides of the outer peripheral surface of the cooling flange 2. The end surface of the cooling flange 2 is provided with two air outlet holes 2-2 communicated with the two air inlet holes 2-1.

Further, a motor wire connection base 1-7 communicated with the inner cavity of the housing 1-1 is arranged on the outer peripheral surface of the housing 1-1 of the motor 1 so as to connect the motor 1 under the condition of ensuring air tightness.

Further, a rotary encoder wiring seat 1-8 communicated with the mounting cavity 1-5 is arranged on the outer peripheral surface of the housing 1-1 of the motor 1 so as to connect the rotary encoder while ensuring air tightness.

Further, motor mounting seats 1-9 are symmetrically arranged on two sides of the housing 1-1 of the motor 1, so that the motor 1 can be conveniently mounted.

The five-axis numerical control CNC's of this embodiment C axle is through filling into positive atmospheric pressure to the installation intracavity, until being full of inside whole housing to guaranteed the inside gas tightness of motor, thereby prevent that the dust from getting into, positive atmospheric pressure can flow out in the clearance of the tip of motor casing moreover, thereby takes away the heat, has improved the motor thermal diffusivity, thereby has improved the life of motor.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a five CNC's C axle which characterized in that: comprises a motor (1), a cooling flange (2) and a rotary encoder (3); the motor (1) comprises a housing (1-1), a hollow rotor shaft (1-2) and an end cover (1-3) which is covered on the end part of the housing (1-1); a clapboard (1-4) is arranged in the housing (1-1); an installation cavity (1-5) is formed among the partition plate (1-4), the inner wall of the housing (1-1) and the end cover (1-3); one end of the rotor shaft (1-2) is rotatably arranged at the end part of the housing (1-1); the other end of the baffle plate penetrates through the baffle plates (1-4) and the end covers (1-3) in sequence and is rotatably connected with the baffle plates (1-4); the cooling flange plate (2) is arranged at one end of the motor (1) far away from the mounting cavity (1-5) and is fixedly connected with the rotor shaft (1-2); the rotary encoder (3) is arranged in the mounting cavity (1-5) and sleeved on the rotor shaft (1-2); and the end cover (1-3) is provided with an air inlet (1-6) communicated with the mounting cavity (1-5).

2. The C-axis of five-axis CNC as recited in claim 1, wherein: both sides of the peripheral surface of the cooling flange plate (2) are provided with air inlet holes (2-1) extending into the cooling flange plate (2); the end face of the cooling flange plate (2) is provided with two air outlet holes (2-2) communicated with the two air inlet holes (2-1).

3. The C-axis of five-axis CNC as recited in claim 1, wherein: the motor wire connection base (1-7) communicated with the inner cavity of the housing (1-1) is arranged on the peripheral surface of the housing (1-1) of the motor (1).

4. The C-axis of five-axis CNC as recited in claim 1, wherein: and a rotary encoder wire holder (1-8) communicated with the mounting cavity (1-5) is arranged on the peripheral surface of the housing (1-1) of the motor (1).

5. The C-axis of five-axis CNC as recited in claim 1, wherein: and motor mounting seats (1-9) are symmetrically arranged on two sides of a housing (1-1) of the motor (1).