CN216065728U

CN216065728U - Reamer is used in processing of improved generation differential mechanism casing

Info

Publication number: CN216065728U
Application number: CN202122032217.9U
Authority: CN
Inventors: 饶光文
Original assignee: Chongqing Bishan Xinke General Machinery Co ltd
Current assignee: Chongqing Bishan Xinke General Machinery Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a reamer for machining an improved differential case, which comprises a first milling cutter body, wherein a second milling cutter body with large and small outer diameters is fixedly connected right below the first milling cutter body; the limiting groove is symmetrically arranged at the top of the first milling cutter body, the tail end of the limiting groove is communicated with a connecting groove, a limiting rod with a thread-shaped structure is arranged in the limiting groove in a penetrating mode, and the outer surface of the limiting rod and the outer surface of the limiting groove are not in the same plane. And a connecting rod is arranged in the groove-shaped structure at the center of the top of the first milling cutter body in a penetrating manner. This improved generation is reamer for differential mechanism housing processing not only makes gaseous circulation in this reamer's inside, and convenient heat dissipation has multiple processing mode availability factor height moreover.

Description

Reamer is used in processing of improved generation differential mechanism casing

Technical Field

The utility model relates to the technical field of reamer blades, in particular to a reamer blade for machining an improved differential shell.

Background

After drilling, the hole is enlarged to a corresponding size by using a hole enlarging cutter, or the hole is enlarged and chamfered by using a hole enlarging and chamfering cutter. The deep hole drill bit has the characteristics of high machining efficiency, convenient blade conversion, cutter body use, low cutter consumption cost and the like, and is divided into a welding type deep hole drill bit and a machine-clamped blade type deep hole drill bit.

The efficient three-blade broaching tool capable of intermittent machining, disclosed in publication No. CN211387075U, can reduce vibration of broaching and cutting, has a very good cutting guide effect, can perform intermittent broaching with high efficiency and large metal removal amount, and greatly improves machining precision and machining efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide an improved reamer for machining a differential case, which solves the problems that the reamer for machining in the above-mentioned patent proposed by the above-mentioned background art cannot circulate gas inside the reamer, is inconvenient to dissipate heat, and does not have a plurality of machining modes and has high use efficiency.

In order to achieve the purpose, the utility model provides the following technical scheme: improved generation differential mechanism is reamer for casing processing includes:

the milling cutter comprises a first milling cutter body, wherein a second milling cutter body with large and small outer diameters is fixedly connected right below the first milling cutter body, milling cutter blocks with different heights capable of processing the surface of a workpiece are distributed on the outer surface of the first milling cutter body at equal intervals, and the milling cutter blocks are identical in shape and size;

the limiting groove is symmetrically arranged at the top of the first milling cutter body, the tail end of the limiting groove is communicated with the connecting groove, the limiting rod with a thread-shaped structure is arranged in the limiting groove in a penetrating mode, and the outer surface of the limiting rod and the outer surface of the limiting groove are not in the same plane.

Preferably, a connecting rod is inserted into the groove-shaped structure at the top center of the first milling cutter body, and a connecting block capable of forming a rotating structure in the connecting groove is fixedly mounted on the outer surface of the connecting rod.

Preferably, first heat dissipation holes are formed in the first milling cutter body, the connecting rod and the second milling cutter body, and second heat dissipation holes which are obliquely arranged are formed in the left side and the right side of the bottom end of each first heat dissipation hole.

Preferably, the width of the limiting groove is equal to one half of the width of the connecting groove, and the connecting groove and the limiting groove are distributed in a crossed manner.

Preferably, the top of the connecting rod is fixedly provided with fastening blocks which form a cross-shaped structure between the single bodies, and the diameter of a circular structure formed between the fastening blocks is larger than the outer diameter of the milling cutter block.

Preferably, the bottom ends of the second heat dissipation holes are communicated with third heat dissipation holes in a Y-shaped structure, and the central axes of the third heat dissipation holes coincide with the central axis of the first heat dissipation hole.

Compared with the prior art, the utility model has the beneficial effects that: the improved reaming cutter for machining the differential shell not only enables gas to circulate in the reaming cutter and facilitates heat dissipation, but also has multiple machining modes and high use efficiency;

1. when the reamer rotates, gas circulates in the first heat dissipation hole, the second heat dissipation hole and the third heat dissipation hole, so that heat dissipation is facilitated;

2. the reaming cutter comprises a first milling cutter body, a second milling cutter body and a cutter block, wherein the outer surface of the first milling cutter body is fixedly provided with the milling cutter blocks, the angles of the milling cutter blocks distributed on the first milling cutter body are different, the milling cutter blocks can process all angles of a workpiece, and the first milling cutter body and the second milling cutter body are of an integrated structure, so that the reaming cutter has multiple processing modes;

3. the cross-shaped structure formed by the fastening block and the clamping of the driving device are not easy to cause the reaming cutter to fall off, and the limiting groove and the connecting groove are communicated with each other, so that the connecting rod is conveniently fixed, the equipment is assembled, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a schematic top sectional view of the present invention;

FIG. 4 is a schematic top view of the present invention.

In the figure: 1. a first milling cutter body; 2. a second milling cutter body; 3. milling a cutter block; 4. a limiting groove; 5. connecting grooves; 6. a limiting rod; 7. a connecting rod; 8. connecting blocks; 9. a fastening block; 10. a first heat dissipation hole; 11. a second heat dissipation hole; 12. and a third heat dissipation hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an improved reaming cutter for machining a differential housing comprises a first milling cutter body 1 and a limiting groove 4, wherein a fastening block 9 in a cross-shaped structure fixedly installed on the outer surface of a connecting rod 7 in a figure 1 and in a figure 3 is installed on a driving device in use, the fastening block 9 is clamped with the driving device to prevent the reaming cutter from falling off, the limiting groove 4 and a connecting groove 5 are formed in the top of the first milling cutter body 1 in a figure 2, the limiting groove 4 and the connecting groove 5 are communicated, a connecting block 8 is fixedly installed at the bottom end of the connecting rod 7, the connecting block 8 is inserted into the limiting groove 4 and the connecting rod 7 is rotated, and then a limiting rod 6 is installed in the limiting groove 4 in a penetrating mode, so that the equipment is assembled;

the milling cutter block 3 fixedly mounted on the outer surface of the first milling cutter body 1 and the second milling cutter body 2 enable the device to have two processing modes, angles of the milling cutter blocks 3 distributed on the first milling cutter body 1 are different, the milling cutter block 3 can process each angle of a workpiece, and the first milling cutter body 1 and the second milling cutter body 2 are of an integrated structure, so that the reamer is not easily damaged;

as shown in fig. 2, the first heat dissipation holes 10 are formed in the first milling cutter body 1, the second milling cutter body 2 and the connecting rod 7, and the first heat dissipation holes 10, the second heat dissipation holes 11 and the third heat dissipation holes 12 are communicated with each other, so that when the reamer rotates, heat dissipation is facilitated, which is the whole working process of the reamer for machining the improved differential housing.

Those not described in detail in this specification are within the skill of the art. The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. Improved generation is reamer for differential mechanism housing processing, its characterized in that includes:

the milling cutter comprises a first milling cutter body (1), wherein a second milling cutter body (2) with large and small outer diameters is fixedly connected under the first milling cutter body (1), milling cutter blocks (3) which are different in height and can process the surface of a machined part are distributed on the outer surface of the first milling cutter body (1) at equal intervals, and the shapes and the sizes of the milling cutter blocks (3) are the same;

spacing groove (4), the top position at first milling cutter body (1) is seted up to spacing groove (4) symmetry, and the end intercommunication of spacing groove (4) has spread groove (5) to the inside gag lever post (6) of installing screw thread column structure that runs through of spacing groove (4), the surface of gag lever post (6) and the surface of spacing groove (4) are not in the coplanar moreover.

2. The improved reamer for machining a differential case as claimed in claim 1, wherein: the connecting rod (7) is installed inside the groove-shaped structure at the center of the top of the first milling cutter body (1) in a penetrating mode, and a connecting block (8) capable of forming a rotating structure inside the connecting groove (5) is fixedly installed on the outer surface of the connecting rod (7).

3. The improved reamer for machining a differential case as claimed in claim 1, wherein: first louvre (10) have all been seted up to the inside of first milling cutter body (1), connecting rod (7) and second milling cutter body (2), and the second louvre (11) that the slope set up have all been seted up to the bottom left and right sides of first louvre (10).

4. The improved reamer for machining a differential case as claimed in claim 1, wherein: the width of the limiting groove (4) is equal to one half of the width of the connecting groove (5), and the connecting groove (5) and the limiting groove (4) are distributed in a crossed mode.

5. The improved reamer for machining a differential case as claimed in claim 2, wherein: the top of the connecting rod (7) is fixedly provided with a fastening block (9) which forms a cross-shaped structure between the monomers, and the diameter of a circular structure formed between the fastening block (9) monomers is larger than the outer diameter of the milling cutter block (3).

6. The improved reamer for machining differential housings as claimed in claim 3, wherein: the bottom end of the second heat dissipation hole (11) is in a Y-shaped structure and is communicated with a third heat dissipation hole (12), and the central axis of the third heat dissipation hole (12) is superposed with the central axis of the first heat dissipation hole (10).