CN218310888U

CN218310888U - Main shaft for machining cutter

Info

Publication number: CN218310888U
Application number: CN202222459619.1U
Authority: CN
Inventors: 鄂兴
Original assignee: Dongguan Cohre Cnc Tool Co ltd
Current assignee: Dongguan Cohre Cnc Tool Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-17
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a main shaft for processing cutter, including axis body and axle sleeve, the surface cover of axis body is established and is connected with the axle sleeve, the equal fixed bearing that is equipped with in both sides of axle sleeve inner wall, two the bearing inner race is established with the axis body cover and is connected, the spread groove has been seted up to the center department of another end department of axis body, the inside of spread groove is inlayed and is equipped with the cutter head, the through-hole has been seted up on the surface of cutter head, the mounting groove has all been seted up to the both sides of spread groove inner wall, the inner wall fixed mounting of mounting groove has the extrusion spring. The utility model discloses an inlay through extrusion spring extrusion T type card post and through-hole between axis body and the cutter head and establish fixedly, make things convenient for the equipment of cutter head and axis body, improve the packaging efficiency of cutter head, the oil storage box that is equipped with through the axle sleeve surface is provided with the sponge piece between axle sleeve and the axis body, through the cooperation of sponge piece and oil storage box, the axle body surface of being convenient for is lubricated to the axle body surface, reduces the frictional force of axis body, improves the life of main shaft.

Description

Main shaft for machining cutter

Technical Field

The utility model relates to a main shaft technical field, in particular to a main shaft for processing cutter.

Background

The main shaft is a shaft that receives power from an engine or a motor and transmits it to other members. The main axis is also called as the optical axis, which is the abbreviation of the main optical axis: having a symmetrical diameter in the optical train. For example, the major axis of the sphere is a straight line passing through the center of the mirror surface and perpendicular to the mirror surface. The principal axis of a lens or optical axis optical train is the line connecting the centers of the lens faces.

According to the chinese patent No. CN104338943B, a lathe spindle assembly is disclosed, which comprises a base and a spindle, wherein the base has a front end, a rear end and a channel, the spindle has a shaft body, one end of the shaft body is provided with a chuck portion, the circumferential surface of the shaft body is provided with an inclined surface, the inclined surface extends outward from the surface of the shaft body and inclines toward the chuck portion, the shaft body is sleeved with a bearing set to penetrate the channel, so that the spindle can rotate relative to the base, the chuck portion is located at the front end of the base, an air chamber is formed between the inclined surface and a part of the wall surface of the channel, and the air chamber is located between the chuck end of the spindle and the bearing set. When the main shaft rotates relative to the base, the inclined surface also rotates relative to the air chamber to generate positive air pressure relative to the air pressure of the external environment in the air chamber so as to prevent external water gas or oil gas from entering the main shaft, and the aims of prolonging the service life of the main shaft assembly, increasing the operation stability and the like are fulfilled.

The lathe spindle rotates relative to the air chamber through the inclined plane to generate positive air pressure relative to the air pressure of the external environment in the air chamber so as to prevent external water or oil gas from entering the spindle, and the invention aims of prolonging the service life of the spindle assembly, increasing the operation stability and the like are achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a main shaft for processing cutter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a main shaft for processing cutter, includes axis body and axle sleeve, the surface cover of axis body is established and is connected with the axle sleeve, the equal fixed bearing that is equipped with in both sides of axle sleeve inner wall, two the bearing inner circle is established with the axis body cover and is connected, the center department of another end department of axis body has seted up the spread groove, the inside of spread groove is inlayed and is equipped with the cutter head, the through-hole has been seted up on the surface of cutter head, the mounting groove has all been seted up to the both sides of spread groove inner wall, the inner wall fixed mounting of mounting groove has the extrusion spring, the one end fixed mounting of extrusion spring has T type card post, the end department of T type card post alternates with the through-hole that corresponds and is connected, the center department cover of axle sleeve inner wall is equipped with the sponge piece, the outer wall equidistance of axle sleeve is fixed and is equipped with a plurality of oil storage boxes, and is a plurality of oil storage box and axle sleeve department has seted up the oil seepage hole, oil seepage hole and sponge piece intercommunication, the inside fixed mounting of oil seepage hole has flow control valve.

Preferably, the inner wall of the sponge block is in contact connection with the surface of the shaft body. The purpose that sets up like this is through sponge piece inner wall and axis body surface contact, makes the axis body at the pivoted in-process, and the inside lubricating oil of sponge piece throws away because of centrifugal force, lubricates the junction of axis body and bearing, reduces axis body pivoted frictional force, improves the life of axis body.

Preferably, the assembly holes have all been seted up to the both sides of axis body end department, and the purpose that sets up like this makes things convenient for the installation of axis body through seting up of assembly hole.

Preferably, both ends of the shaft sleeve are fixedly provided with limiting rings, and the side faces of the limiting rings, close to the assembling holes, are fixedly provided with sealing rings. The purpose that sets up like this is through the setting of spacing ring, is convenient for carry on spacingly to the axle sleeve position, guarantees that the axle sleeve cover establishes the assigned position at the axis body.

Preferably, the dimension at the tool machining head end is matched with the inner diameter of the connecting groove. The purpose that sets up like this is through the internal diameter of spread groove and the size matching of cutter processing head end department, reduces the gap between cutter processing head and the spread groove to improve the stability in the cutter processing head use.

Preferably, through holes are formed in the centers of the bottoms of the two mounting grooves. The purpose of setting up like this is through seting up of through-hole, conveniently controls the flexible of T type card post, inlays through T type card post and through-hole and establishes and separate, makes things convenient for the installation and the dismantlement of cutter processing head.

The utility model discloses a technological effect and advantage:

(1) The shaft body and the cutter processing head are fixedly embedded in the through hole through the extrusion of the T-shaped clamping column by the extrusion spring, so that the assembly of the cutter processing head and the shaft body is facilitated, and the assembly efficiency of the cutter processing head is improved.

(2) Through the oil storage box that the axle sleeve surface was equipped with, be provided with the sponge piece between axle sleeve and the axis body, through the cooperation of sponge piece and oil storage box, be convenient for lubricate the axis body surface, reduce the frictional force of axis body, improve the life of main shaft.

Drawings

Fig. 1 is a schematic structural diagram of a spindle for machining a tool according to the present invention.

Fig. 2 is a schematic sectional view of a spindle for machining a tool according to the present invention.

Fig. 3 is a partially enlarged view of a portion a of the main shaft for machining a tool according to the present invention in fig. 2.

In the figure: 1. a shaft body; 2. a shaft sleeve; 3. a limiting ring; 4. an assembly hole; 5. a seal ring; 6. an oil storage box; 7. connecting grooves; 8. a tool machining head; 9. a bearing; 10. an oil-bleeding hole; 11. a flow control valve; 12. a sponge block; 13. mounting grooves; 14. a compression spring; 15. t-shaped clamping columns; 16. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

The utility model provides a main shaft for processing cutter as shown in fig. 1-3, including axis body 1 and axle sleeve 2, the surface cover of axis body 1 is established and is connected with axle sleeve 2, the both sides of 2 inner walls of axle sleeve are all fixed and are equipped with bearing 9, two bearing 9 inner circles are established with 1 covers of axis body and are connected, the center department of 1 other end department of axis body has seted up spread groove 7, the inside of spread groove 7 is inlayed and is equipped with the cutter processing head 8, through-hole 16 has been seted up on the surface of cutter processing head 8, mounting groove 13 has all been seted up to the both sides of 7 inner walls of spread groove, the inner wall fixed mounting of mounting groove 13 has extrusion spring 14, extrusion spring 14's one end fixed mounting has T type card post 15, the end department of T type card post 15 alternates with the through-hole 16 that corresponds to be connected, the center department cover of 2 inner walls of axle sleeve is equipped with sponge block 12, the fixed a plurality of outer wall equidistance of axle sleeve 2 is equipped with a plurality of oil storage boxes 6, oil storage boxes 6 and axle sleeve 2 department have seted up oil seepage hole 10, seepage hole 10 and sponge block 12 intercommunication, the inside fixed mounting of seepage hole 10 has flow control valve 11.

According to fig. 1, 2 and 3 show, the inner wall of sponge piece 12 is connected with the surface contact of axis body 1, through sponge piece 12 inner wall and axis body 1 surface contact, makes axis body 1 at the pivoted in-process, and the inside lubricating oil of sponge piece 12 throws away because of centrifugal force, lubricates the junction of axis body 1 and bearing 9, reduces axis body 1 pivoted frictional force, improves the life of axis body 1.

The both sides of 1 end department of axis body have all been seted up pilot hole 4, through seting up of pilot hole 4, make things convenient for the installation of axis body 1.

The both ends of axle sleeve 2 are all fixed and are equipped with spacing ring 3, and 3 side fixing of spacing ring that are close to pilot hole 4 are equipped with sealing washer 5, and through the sealing washer 5 that sets up, the effectual leakproofness of guaranteeing the junction.

The dimensions at the end of the tool machining head 8 match the internal diameter of the connecting groove 7. Through the internal diameter of spread groove 7 and the size matching of 8 end departments of tool machining head, reduce the gap between tool machining head 8 and the spread groove 7 to improve the stability in the 8 use of tool machining head.

Through holes are formed in the centers of the bottoms of the two mounting grooves 13, and when the tool machining head 8 needs to be disassembled, the T-shaped clamping column 15 is pulled outwards through the threaded column manually. The top end of the T-shaped clamping column 15 is provided with a threaded hole matched with the threaded column, and when the threaded column is meshed with the threaded hole, the T-shaped clamping column 15 can be pulled to be separated from the through hole 16, so that the installation and the disassembly of the cutter processing head 8 are facilitated.

The utility model discloses the theory of operation: when using this main shaft, at first artificial install the connecting seat to the digit control machine tool with the one end of axis body 1 in, pilot hole 4 seted up through 1 side of axis body is fixed, artificial installation to cutter processing head 8 is installed after that, insert cutter processing head 8 inside spread groove 7, when cutter processing head 8 is completely inserted, T type card post 15 extrudees to the inside of through-hole 16 through extrusion spring 14 this moment, accomplish cutter processing head 8's installation, in-process when using, axis body 1 rotates, the lubricating oil on 12 surfaces of sponge piece can lubricate axis body 1, reduce the frictional force of axis body 1, improve the life of axis body 1.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A main shaft for processing a cutter comprises a shaft body (1) and a shaft sleeve (2), it is characterized in that the surface of the shaft body (1) is sleeved and connected with a shaft sleeve (2), bearings (9) are fixedly arranged on two sides of the inner wall of the shaft sleeve (2), the inner rings of the two bearings (9) are sleeved and connected with the shaft body (1), a connecting groove (7) is arranged at the center of the other end of the shaft body (1), a cutter processing head (8) is embedded in the connecting groove (7), the surface of the cutter processing head (8) is provided with a through hole (16), both sides of the inner wall of the connecting groove (7) are provided with mounting grooves (13), an extrusion spring (14) is fixedly arranged on the inner wall of the mounting groove (13), one end of the extrusion spring (14) is fixedly provided with a T-shaped clamping column (15), the end of the T-shaped clamping column (15) is connected with the corresponding through hole (16) in a penetrating way, a sponge block (12) is sleeved at the center of the inner wall of the shaft sleeve (2), a plurality of oil storage boxes (6) are fixedly arranged on the outer wall of the shaft sleeve (2) at equal intervals, oil seepage holes (10) are formed in the plurality of oil storage boxes (6) and the shaft sleeve (2), the oil penetration hole (10) is communicated with the sponge block (12), and a flow control valve (11) is fixedly installed inside the oil penetration hole (10).

2. A spindle for a machining tool according to claim 1, characterized in that the inner wall of the sponge block (12) is in contact connection with the surface of the shaft body (1).

3. The spindle for machining tools according to claim 1, characterized in that the shaft body (1) has assembling holes (4) on both sides of its end.

4. A spindle for a machining tool according to claim 1, characterized in that a stop collar (3) is fixed to each end of the sleeve (2), and a seal ring (5) is fixed to the side of the stop collar (3) adjacent to the assembly hole (4).

5. A spindle for a machining tool according to claim 1, characterised in that the dimensions at the end of the tool machining head (8) match the internal diameter of the coupling groove (7).

6. The spindle for machining tools according to claim 1, characterised in that a through hole is provided in the centre of the bottom of the two mounting grooves (13).