CN209892627U

CN209892627U - Front section shaft sleeve of reamer device

Info

Publication number: CN209892627U
Application number: CN201920673370.XU
Authority: CN
Inventors: 施桂兴; 施峰; 顾美仙
Original assignee: SHANGHAI SHIWEI HEAVY INDUSTRY EQUIPMENT Co Ltd
Current assignee: SHANGHAI SHIWEI HEAVY INDUSTRY EQUIPMENT Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-03
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a reamer device anterior segment axle sleeve, including flange, louvre, outside sleeve, axle sleeve body, radiating fin, inboard sleeve, first oil filler point, second oil filler point and mounting hole, the axle sleeve body is formed by flange, outside sleeve, radiating fin and inboard sleeve combination, inboard telescopic lateral wall passes through radiating fin and is connected with the telescopic inside wall in the outside, the edge of the telescopic lateral wall one end in the outside is provided with the flange, first oil filler point has all been seted up on the terminal surface at inboard telescopic both ends, the second oil filler point has all been seted up on the telescopic both sides inner wall in inboard, the louvre has been seted up on the telescopic outer wall in the outside, and the louvre is located between the adjacent radiating fin. The utility model solves the problems that the prior reamer device has poor heat dissipation of the front section shaft sleeve, the shaft sleeve is easily affected by high temperature to cause the thermal expansion of the shaft sleeve, and the connection between the reamer and the shaft sleeve is not flexible; the utility model discloses simple structure, the practicality is strong.

Description

Front section shaft sleeve of reamer device

Technical Field

The utility model relates to an axle sleeve technical field specifically is a reamer device anterior segment axle sleeve.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft.

When the reamer is used for processing parts, a large amount of heat can be generated and transferred to the shaft sleeve on the front section of the reamer, the shaft sleeve is influenced by high temperature, the shaft sleeve is easy to thermally expand, the connection between the reamer and the shaft sleeve is loosened, and the use of the reamer is influenced; therefore, the existing use requirements are not satisfied.

Disclosure of Invention

An object of the utility model is to provide a reamer device anterior segment axle sleeve to it is not good to have solved current reamer device anterior segment axle sleeve thermal diffusivity, and the axle sleeve receives the high temperature influence easily and leads to the axle sleeve heat to rise, and the not hard up problem of being connected between reamer and the axle sleeve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reamer device anterior segment axle sleeve, includes flange, louvre, outside sleeve, axle sleeve body, radiating fin, inboard sleeve, first oil filler point, second oil filler point and mounting hole, the axle sleeve body is formed by flange, outside sleeve, radiating fin and inboard sleeve combination, inboard telescopic lateral wall passes through radiating fin and is connected with the telescopic inside wall in outside, the edge of the telescopic lateral wall one end in outside is provided with the flange, first oil filler point has all been seted up on the terminal surface at inboard telescopic both ends, the second oil filler point has all been seted up on the telescopic both sides inner wall in inboard, the louvre has been seted up on the telescopic outer wall in the outside, and the louvre is located between the adjacent radiating fin.

Preferably, the number of the heat dissipation fins is six, and the six heat dissipation fins are distributed between the inner wall of the outer sleeve and the outer wall of the inner sleeve in an annular array.

Preferably, the flange and the outer sleeve are fixed by welding.

Preferably, the surface of the flange is provided with a mounting hole.

Preferably, the first oil hole and the second oil hole are communicated with each other, and the depth of the first oil hole is equal to that of the second oil hole.

Preferably, the first oil filler hole and the second oil filler hole have a depth equal to half of the height of the inner sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a louvre and radiating fin's setting, the heat that the reamer produced to the processing of spare part can indirect transmission for inboard sleeve, and inboard sleeve can give radiating fin with heat transfer, and radiating fin has increased the utility model discloses whole and air contact radiating area, radiating fin are that aluminium system metal material sends, and aluminium system radiating fin radiating effect is good, and a part of heat on the radiating fin is followed the louvre and is gone out, and another part heat transfer on the radiating fin gives the outside sleeve, and the outside sleeve is direct dispels the heat with air contact to the current axle sleeve of relative ratio, the utility model discloses strengthen radiating efficiency, can not make the heat on the inboard sleeve too high and lead to inboard sleeve heat to rise, thereby can not make the utility model discloses a be connected between inboard sleeve and the reamer and produce not hard up, the practicality is strong.

Drawings

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

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a top view of the present invention.

In the figure: 1. a flange; 2. heat dissipation holes; 3. an outer sleeve; 4. a shaft sleeve body; 5. a heat dissipating fin; 6. an inner sleeve; 7. a first oil filler hole; 8. a second oil filler hole; 9. and (7) installing holes.

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.

Referring to fig. 1 to 3, in the embodiment of the present invention, a front section shaft sleeve of a reamer device comprises a flange 1, heat dissipation holes 2, an outer sleeve 3, a shaft sleeve body 4, heat dissipation fins 5, an inner sleeve 6, first oil injection holes 7, second oil injection holes 8 and mounting holes 9, and is characterized in that the shaft sleeve body 4 is formed by combining the flange 1, the outer sleeve 3, the heat dissipation fins 5 and the inner sleeve 6, the outer side wall of the inner sleeve 6 is connected with the inner side wall of the outer sleeve 3 through the heat dissipation fins 5, the flange 1 is disposed at the edge of one end of the outer side wall of the outer sleeve 3, the first oil injection holes 7 are disposed on the end faces of the two ends of the inner sleeve 6, the second oil injection holes 8 are disposed on the inner walls of the two sides of the inner sleeve 6, the heat dissipation holes 2 are disposed on the outer wall of the outer sleeve 3, and the heat dissipation, and six radiating fins 5 are distributed between the inner wall of the outer sleeve 3 and the outer wall of the inner sleeve 6 in an annular array manner, the flange 1 and the outer sleeve 3 are fixed by welding, a mounting hole 9 is formed in the surface of the flange 1, the first oil injection hole 7 and the second oil injection hole 8 are communicated with each other, the depth of the first oil injection hole 7 is equal to that of the second oil injection hole 8, and the depths of the first oil injection hole 7 and the second oil injection hole 8 are equal to half of the height of the inner sleeve 6.

The utility model discloses a theory of operation is: during the use, the heat that the reamer produced to parts processing can indirect transmission for inboard sleeve 6, and inboard sleeve 6 can be with heat transmission for radiating fin 5, and radiating fin 5 has increased the utility model discloses whole and air contact radiating area, radiating fin 5 is sent for aluminium system metal material, and aluminium system radiating fin 5 radiating effect is good, and some heat on the radiating fin 5 is followed louvre 2 and is gone out, and another part heat transmission on the radiating fin 5 is for outside sleeve 3, and outside sleeve 3 directly dispels the heat with the air contact to the current axle sleeve of relative ratio, the utility model discloses the radiating efficiency has been strengthened, can not make the heat on the inboard sleeve 6 too high and lead to inboard sleeve 6 heat to rise, thereby can not make the utility model discloses a be connected between inboard sleeve 6 and the reamer and produce not hard up, the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A front section shaft sleeve of a reamer device comprises a flange (1), a heat dissipation hole (2), an outer side sleeve (3), a shaft sleeve body (4), a heat dissipation fin (5), an inner side sleeve (6), a first oil injection hole (7), a second oil injection hole (8) and a mounting hole (9), and is characterized in that the shaft sleeve body (4) is formed by combining the flange (1), the outer side sleeve (3), the heat dissipation fin (5) and the inner side sleeve (6), the outer side wall of the inner side sleeve (6) is connected with the inner side wall of the outer side sleeve (3) through the heat dissipation fin (5), the flange (1) is arranged at the edge of one end of the outer side wall of the outer side sleeve (3), the first oil injection hole (7) is respectively arranged on the end faces of the two ends of the inner side sleeve (6), the second oil injection hole (8) is respectively arranged on the inner walls of, the outer wall of the outer sleeve (3) is provided with heat dissipation holes (2), and the heat dissipation holes (2) are located between the adjacent heat dissipation fins (5).

2. The front section bushing of a reamer device according to claim 1, wherein the number of the heat dissipating fins (5) is six, and the six heat dissipating fins (5) are distributed in an annular array between the inner wall of the outer sleeve (3) and the outer wall of the inner sleeve (6).

3. The front section sleeve of the reamer device according to claim 1, wherein the flange (1) and the outer sleeve (3) are fixed by welding.

4. The front section bushing of a reamer device according to claim 1, wherein the flange (1) has a mounting hole (9) formed on its surface.

5. The front section bushing of a reamer device according to claim 1, wherein the first oil hole (7) and the second oil hole (8) are communicated with each other, and the depth of the first oil hole (7) is equal to the depth of the second oil hole (8).

6. The front bushing of a reamer device according to claim 1, wherein the first (7) and second (8) oil holes have a depth equal to half the height of the inner sleeve (6).