CN213532168U

CN213532168U - Quick grinding tool for planet wheel shaft

Info

Publication number: CN213532168U
Application number: CN202022779467.4U
Authority: CN
Inventors: 苏宝瑾
Original assignee: Baoji Mingti Metal Material Co ltd
Current assignee: Baoji Mingti Metal Material Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-06-25
Anticipated expiration: 2030-11-26

Abstract

The quick grinding cutter for the planet wheel shaft comprises a cutter body, wherein the cutter body is of a cuboid structure and consists of a cutter handle and a cutter head arranged at the front end of the cutter handle; the knife handle is provided with a knife mounting hole; the middle part of the cutter head is provided with a groove; the left-right groove length spacing L4 of the groove is equal to the axial length L4 of the second axle diameter L2 in the middle of the planet axle and also equal to the axial length spacing L4 between the first axle diameter L1 at the right end and the third axle diameter L3 at the left end; the width of the left side of the groove is equal to half of the difference between the second axial diameter L2 of the middle part and the third axial diameter L3 of the left end; the groove has a right side width equal to half the difference between the middle second axis L2 and the right first axis L1. The utility model discloses possess quick milling process function of planet wheel axle clamping, simple structure, economical and practical, high efficiency.

Description

Quick grinding tool for planet wheel shaft

Technical Field

The utility model discloses operation transportation lathe cutter technical field for milling process, concretely relates to quick cutter of polishing of planet wheel axle.

Background

At present, the planetary gear shaft 3 has three sizes of gear fitting relationships L1, L2 and L3 as shown in FIG. 1. When grinding is performed, the production amount of the planetary wheel shaft 3 in one day is generally 100-120. Moreover, the size of the left shaft end and the right shaft end of the planet wheel shaft is polished only by two working procedures, and the processing efficiency needs to be improved.

Disclosure of Invention

The utility model provides a technical problem: the quick grinding tool for the planet wheel shafts is characterized in that the diameters of wheel shafts with three sizes of the planet wheel shafts are formed by grinding the tool with the grooves at one time, the one-day output of the planet wheel shafts is increased to 500, and the machining efficiency of the planet wheel shafts is improved.

The utility model adopts the technical proposal that: the utility model provides a quick cutter of polishing of planet wheel axle, includes the cutter body, its characterized in that: the cutter body is of a cuboid structure and consists of a cutter handle and a cutter head at the front end of the cutter handle; the knife handle is provided with a knife mounting hole; the middle part of the cutter head is provided with a groove; the left-right groove length distance L4 of the groove is equal to the axial length L4 of a second axis L2 in the middle of the planet wheel shaft, and is also equal to the axial length distance L4 between a first axis L1 at the right end and a third axis L3 at the left end; the left width of the groove is equal to half of the difference between the middle second axis L2 and the left third axis L3; the width of the right side of the groove is equal to half of the difference between the second axis L2 of the middle part and the first axis L1 of the right end.

In the above technical solution, further: the cutter head is a boss arranged at the front end of the cutter handle, and the thickness of the boss is half of that of the cutter handle.

In the above technical solution, further: the left length and the right length of the cutter body are equal to the axial length of the planet wheel shaft.

In the above technical solution, further: and fillets are arranged at the left end and the right end of the groove of the cutter head.

In the above technical solution, further: the first axle diameter L1 at the right end of the planet wheel axle is 28mm, the second axle diameter L2 at the middle part of the planet wheel axle is 31mm, and the third axle diameter L3 at the right end of the planet wheel axle is 29 mm; the left and right groove length distance L4 of the groove is 60 mm.

The utility model has the advantages compared with the prior art: the utility model discloses the cutter is isometric with planet wheel axle, with the cutter as shown aligning of fig. 4 wait to process the axial side of planet wheel axle, a clamping location, but the recess of cutter one shot forming three size's planet wheel axle promotes the machining efficiency of planet wheel axle greatly.

Drawings

Fig. 1 is a schematic structural view of the metal condensation sheet of the present invention.

Fig. 2 is a perspective view of the cutting tool of the present invention.

Fig. 3 is a front view of the cutting tool of the present invention.

Fig. 4 is a use state diagram of the planetary wheel shaft for tool machining of the utility model.

Detailed Description

Specific embodiments of the present invention will be described below with reference to fig. 1 to 4.

The following examples are provided to facilitate a better understanding of the present invention, but are not intended to limit the present invention. The following examples are only a part of the present invention, and not all of them. The components and materials used in the following examples are commercially available unless otherwise specified.

In the present invention, unless otherwise specified or limited, the terms "upper, lower, left, right, vertical, horizontal" and the like are included in the terms "upper, lower, left, right, vertical, horizontal" and the like, which are used only for the purpose of describing the present invention in a normal use state or for the convenience of description and simplification of description, or are plain terms understood by those skilled in the art, and should not be construed as limitations on the technical solution unless otherwise specified or limited.

A planet wheel shaft rapid grinding cutter comprises a cutter body 1.

The utility model discloses an improvement lies in: the cutter body 1 is a cuboid structure, and in the above embodiment, further: the left and right length of the cutter body 1 is equal to the axial length of the planet wheel shaft 3. For positioning the tool before machining. And after one-time clamping and positioning, the planet wheel shaft with the sizes of three wheel shafts can be processed and molded at one time.

The cutter body 1 consists of a cutter handle 1-1 and a cutter head 1-2 at the front end of the cutter handle; in the above embodiment, further: the cutter head 1-2 is a boss arranged at the front end of the cutter handle 1-1, and the thickness of the boss is half of that of the cutter handle 1-1, so that a milling structure of the cutter head is formed.

The cutter handle 1-1 is provided with a cutter mounting hole 101; the tool mounting hole 101 is used for mounting a tool on a lathe to mill a planet wheel shaft.

Three sizes of planet wheel shafts are formed by one-time milling: the middle part of the cutter head 1-2 is provided with a groove 2; the left-right groove length spacing L4 of the groove 2 is equal to the axial length L4 (in combination with FIG. 2, FIG. 3 and FIG. 4) of the second axial diameter L2 in the middle of the planet wheel shaft 3, and is also equal to the axial length spacing L4 between the first right-end axial diameter L1 and the third left-end axial diameter L3; the width of the left side of the groove 2 is equal to half of the difference between the second axial diameter L2 of the middle part and the third axial diameter L3 of the left end; and milling to form the left end shaft diameter L3 size of the planet wheel shaft. The width of the right side of the groove 2 is equal to half of the difference between the second axis L2 of the middle part and the first axis L1 of the right end. And milling to form the right end shaft diameter dimension L1 of the planet wheel shaft. And milling and forming the middle dimension L2 of the planet wheel shaft through the groove 2.

In the above embodiment, further: the left end and the right end of the groove 2 of the cutter head 1-2 are provided with fillets. And a round corner transition is adopted to enhance the using rigidity of the cutter.

In the above embodiment, further: the first shaft diameter L1 at the right end of the planetary shaft 3 is 28mm, the second shaft diameter L2 at the middle part of the planetary shaft 3 is 31mm, and the third shaft diameter L3 at the right end of the planetary shaft 3 is 29 mm; the left and right groove length distance L4 of the groove 2 is 60 mm.

The utility model discloses a theory of operation does: will the utility model discloses the cutter is as shown in fig. 4 to aim at the location of planet wheel axle axial length to clamp the novel shaft of treating processing, and during milling process, the recess of cutter can once mill the three size of shaping planet wheel axle, improves machining efficiency. The daily average yield of the planetary wheel shafts can be improved from 120 pieces/day to 500 pieces/day. Greatly improving the production efficiency.

From the above description it can be found that: the utility model discloses the cutter is isometric with planet wheel axle, with cutter body 1 as shown in figure 4 align wait to process the axial side of planet wheel axle 3, a clamping location, but the three size's of one shot forming planet wheel axle of recess 2 of cutter promotes the machining efficiency of planet wheel axle greatly.

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.

Furthermore, it should be understood that although the present description is described in terms of one embodiment, this embodiment does not include only a single embodiment, but such description is merely for clarity, and those skilled in the art will recognize that the embodiments described in this embodiment can be combined as appropriate to form other embodiments as would be understood by those skilled in the art.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a quick cutter of polishing of planet wheel axle, includes cutter body (1), its characterized in that: the cutter body (1) is of a cuboid structure, and the cutter body (1) consists of a cutter handle (1-1) and a cutter head (1-2) at the front end of the cutter handle; the cutter handle (1-1) is provided with a cutter mounting hole (101); the middle part of the cutter head (1-2) is provided with a groove (2); the left-right groove length spacing L4 of the groove (2) is equal to the axial length L4 of a second axial diameter L2 in the middle of the planet wheel shaft (3), and is also equal to the axial length spacing L4 between a first axial diameter L1 at the right end and a third axial diameter L3 at the left end; the width of the left side of the groove (2) is equal to half of the difference between the middle second axis L2 and the left third axis L3; the width of the right side of the groove (2) is equal to half of the difference between the middle second axis L2 and the right first axis L1.

2. The quick grinding tool for the planetary wheel shafts as claimed in claim 1, wherein: the cutter head (1-2) is a boss arranged at the front end of the cutter handle (1-1), and the thickness of the boss is half of that of the cutter handle (1-1).

3. The quick grinding tool for the planetary wheel shafts as claimed in claim 1, wherein: the left-right length of the cutter body (1) is equal to the axial length of the planet wheel shaft (3).

4. The quick grinding tool for the planetary wheel shafts as claimed in claim 1, wherein: the left end and the right end of the groove (2) of the cutter head (1-2) are provided with fillets.

5. The quick grinding tool for the planetary wheel shafts as claimed in claim 1, wherein: the first shaft diameter L1 of the right end of the planet wheel shaft (3) is 28mm, the second shaft diameter L2 of the middle part of the planet wheel shaft (3) is 31mm, and the third shaft diameter L3 of the right end of the planet wheel shaft (3) is 29 mm; the left and right groove length distance L4 of the groove (2) is 60 mm.