CN218983221U

CN218983221U - Cutting tool for bearing machining

Info

Publication number: CN218983221U
Application number: CN202223205879.2U
Authority: CN
Inventors: 张烈荣; 孙东周; 吴由晓
Original assignee: Zhejiang Xien Xituosi Technology Co ltd
Current assignee: Zhejiang Xien Xituosi Technology Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-09
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the field of machining tools, and in particular discloses a cutting tool for bearing machining, which comprises the following components: the cutting tool comprises a handle component, a neck component, a blade holding component and a cutting blade, wherein the handle component is cylindrical, the cutting blade is arranged in the blade holding component through a screw, one side of the neck component is connected with the handle component, the other side of the neck component is connected with the blade holding component, the handle component comprises an outer peripheral surface, a side fixing surface and a rear end surface, the side fixing surface penetrates through the whole handle component and is parallel to the axis of the handle component, a universal joint bearing ring is fixed on one side of a turning tool through a clamp and is enabled to rotate around a shaft C, the turning tool does not rotate, translational movement related to the vertical direction, the left-right direction or a combination of the vertical direction and the left-right direction in a paper surface is carried out, and the first tool tip turning rear face, the second tool tip turning inner hole and the third tool tip turning front side face play a role in improving machining efficiency and guaranteeing product machining precision.

Description

Cutting tool for bearing machining

Technical Field

The utility model relates to the field of machining tools, in particular to a cutting tool for bearing machining.

Background

Today, industrial products are in strong competition, the quality requirement is continuously improved, and various specialized machining tools are increasingly used in order to improve the efficiency, save the time and reduce the labor cost; taking three-pin shaft type universal bearing processing as an example, in turning processing at present, twice turning processing is generally adopted, firstly, a blank is clamped on a clamp, one end face and part of the outer circular surface of a bearing ring are turned by one end face turning tool, and then an inner hole is turned by a second turning tool; clamping the blanks subjected to the first sequence turning on a clamp after the first surface turning is finished, and turning an outer circle and the other end surface by using an end surface turning tool on a lathe; according to the existing processing method, the processing efficiency is low, and the reference is transferred in the processing process, so that the consistency and stability of the processing precision are affected.

Disclosure of Invention

The present utility model is directed to a cutting tool for bearing machining, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cutting tool for bearing machining comprises a handle part, a neck part, a blade holding part and a cutting blade, wherein the handle part is cylindrical, the cutting blade is arranged in the blade holding part through a screw, one side of the neck part is connected with the handle part, the other side of the neck part is connected with the blade holding part, the handle part comprises an outer peripheral surface, a side fixing surface and a rear end surface, and the side fixing surface penetrates through the whole handle part and is parallel to the axis of the handle part;

the blade holding member comprises a first outer peripheral surface, a front end surface, a first side end surface, a peripheral inclined surface, a second side end surface, a screw hole, a cutting blade arrangement groove and a rear side surface, the screw hole is formed in the inner wall of the bottom end of the cutting blade arrangement groove, a step part is arranged between the neck member and the handle member, the neck member comprises a second outer peripheral surface, a third outer peripheral surface, a fourth outer peripheral surface and a fifth outer peripheral surface, and the second outer peripheral surface and the first outer peripheral surface are concentric and coincide with the outer peripheral surface of the step part.

Preferably, the first outer peripheral surface and the front end surface are connected to the neck member, and a portion of the blade holding member where the blade is fixed, protrudes in a direction perpendicular to the axis of the handle member when viewed from the front end surface of the blade holding member toward the rear end surface of the handle member, and is disposed in the circumferential direction of the handle member.

Preferably, the peripheral inclined plane comprises three or more mutually connected planes, the peripheral inclined plane connects the second side end surface and the first peripheral surface, and the second side end surface is parallel to the side fixing surface.

Preferably, the cross section of the handle member perpendicular to the axis of the outer peripheral surface and intersecting the neck member has an elliptical shape, the elliptical shape being composed of four circular arc curves, and the length of the major axis of the elliptical curve being 1.55 times the length of the minor axis.

Preferably, the space between the rear side surface of the blade holding member and the step portion forms a clearance H for the tool when the side end surface two faces the side end surface one.

Preferably, the cutting blade is positioned in the cutting blade arrangement groove, and the screw penetrates through the cutting blade and is in threaded connection with the inner wall of the screw hole, so that the cutting blade is fixed in the cutting blade arrangement groove.

Preferably, the cutting blade is diamond-shaped, the cutting blade is provided with a first cutter point, a second cutter point and a third cutter point, the first cutter point protrudes towards the front end face, the third cutter point protrudes towards the opposite direction of the first cutter point, the second cutter point protrudes towards the outer side, and the second cutter point faces towards and is perpendicular to the first cutter point and the third cutter point in the same plane.

Compared with the prior art, the utility model has the beneficial effects that:

the universal joint bearing ring is fixed on one side of the turning tool through the clamp, the universal joint bearing ring rotates around the shaft C, the turning tool does not perform rotary motion, translational motion related to the vertical direction, the left-right direction or the combination of the vertical direction and the left-right direction in the paper surface is performed, and the first tool nose turning rear face, the second tool nose turning inner hole and the third tool nose turning front side face play roles in improving machining efficiency and guaranteeing product machining precision.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model without cutting inserts installed;

FIG. 2 is a top view of the overall structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the overall structure A-A of the present utility model;

FIG. 4 is a side view of the overall structure of the present utility model;

FIG. 5 is a schematic view of the overall structure mounted cutting insert of the present utility model;

FIG. 6 is a schematic view of the present utility model in processing a part.

In the figure: 1. a cutting insert; 2. a screw; 3. a first nose; 4. a second knife tip; 5. a third knife tip; 10. a handle member; 11. an outer peripheral surface; 12. a side fixing surface; 13. a rear end face; 14. a step portion; 20. a universal joint bearing ring; 21. a rear face; 22. a front side; 23. an inner bore; 30. a neck member; 31. an outer peripheral surface II; 32. an outer peripheral surface III; 33. the outer peripheral surface is four; 34. an outer peripheral surface V; 40. a blade holding member; 41. an outer peripheral surface I; 42. a front end face; 43. a first side end face; 44. a peripheral slope; 45. a second side end face; 46. a screw hole; 47. a cutting insert arrangement groove; 48. a rear side.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the cutting tool for bearing machining comprises a handle part 10, a neck part 30, an blade holding part 40 and a cutting blade 1, wherein the handle part 10 is cylindrical, the cutting blade 1 is installed in the blade holding part 40 through a screw 2, one side of the neck part 30 is connected with the handle part 10, the other side is connected with the blade holding part 40, the handle part 10 comprises an outer peripheral surface 11, a side fixing surface 12 and a rear end surface 13, and the side fixing surface 12 penetrates through the whole handle part 10 and is parallel to the axis of the handle part 10; the outline shape of the cross section of the outer peripheral surface 11 of the handle member 10 perpendicular to the axis and intersecting the neck member 30 is an ellipse, which is composed of four circular arc curves, the length of the major axis of the ellipse curve being 1.55 times the length of the minor axis;

the insert holder 40 includes an outer peripheral surface 41, a front end surface 42, a side end surface 43, an outer peripheral inclined surface 44, a side end surface 45, a screw hole 46, a cutting insert arrangement groove 47, and a rear side surface 48, the screw hole 46 is provided on the bottom end inner wall of the cutting insert arrangement groove 47, a step portion 14 is provided between the neck member 30 and the shank member 10, the neck member 30 includes an outer peripheral surface 31, an outer peripheral surface 32, an outer peripheral surface 33, and an outer peripheral surface 34, the outer peripheral surface 31 and the outer peripheral surface 41 are concentric with and overlap with the outer peripheral surface of the step portion 14, the outer peripheral surface 41 and the front end surface 42 are connected to the neck member 30, a portion of the insert holder 40 for fixing the insert protrudes in a direction perpendicular to the axis of the shank member 10 when viewed from the front end surface 42 of the insert holder 40 toward the rear end surface 13 of the shank member 10, and is arranged in a circumferential direction of the shank member 10, the outer peripheral inclined surface 44 includes three or more mutually connected planes, the outer peripheral inclined surface 44 connects the side end surface 45 and the outer peripheral surface 41, the side end surface 45 is parallel to the side fixing surface 12, and the side end surface 45 faces the side end surface 45 in a direction toward the side end surface 43, and the space H is formed between the rear side surface 14 and the insert holder 40 when viewed from the side end surface 48.

The cutting insert 1 is positioned in the cutting insert arrangement groove 47, the screw 2 penetrates through the cutting insert 1 and is in threaded connection with the inner wall of the screw hole 46, the cutting insert 1 is fixed in the cutting insert arrangement groove 47, the cutting insert 1 is diamond-shaped, the cutting insert 1 is provided with a first cutter tip 3, a second cutter tip 4 and a third cutter tip 5, the first cutter tip 3 protrudes towards the front end face 42, the third cutter tip 5 protrudes towards the opposite direction of the first cutter tip 3, the second cutter tip 4 protrudes towards the outer side, and in the same plane, the second cutter tip 4 faces towards the direction perpendicular to the first cutter tip 3 and the third cutter tip 5, the cut material is a universal joint bearing ring 20, and the universal joint bearing ring is provided with an inner hole 23, a front side face 22 and a rear face 21.

In actual use, the universal joint bearing ring 20 is fixed on one side of the turning tool through a clamp, the universal joint bearing ring 20 rotates around the shaft C, the turning tool does not rotate, and translational movement related to the up-down direction, the left-right direction or the combination of the up-down direction and the left-right direction in the paper surface is performed, the first tool tip 3 turns the rear face 21, the second tool tip 4 turns the inner hole 23 and the third tool tip 5 turns the front side 22.

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

Claims

1. The utility model provides a cutting tool for bearing processing, includes handle part (10), neck part (30), blade holding part (40), cutting blade (1), and handle part (10) are cylindric, and cutting blade (1) are installed in blade holding part (40) through screw (2), and one side and handle part (10) of neck part (30) are connected, and the opposite side and blade holding part (40) are connected, its characterized in that: the handle part (10) comprises an outer peripheral surface (11), a side fixing surface (12) and a rear end surface (13), wherein the side fixing surface (12) penetrates through the whole handle part (10) and is parallel to the axis of the handle part (10);

the insert holding member (40) comprises a first outer peripheral surface (41), a front end surface (42), a first side end surface (43), a peripheral inclined surface (44), a second side end surface (45), a screw hole (46), a cutting insert arrangement groove (47) and a rear side surface (48), the screw hole (46) is formed in the inner wall of the bottom end of the cutting insert arrangement groove (47), a step part (14) is arranged between the neck part (30) and the handle part (10), the neck part (30) comprises a second outer peripheral surface (31), a third outer peripheral surface (32), a fourth outer peripheral surface (33) and a fifth outer peripheral surface (34), and the second outer peripheral surface (31) and the first outer peripheral surface (41) are concentric and coincide with the outer peripheral surface of the step part (14).

2. The cutting tool for bearing machining according to claim 1, wherein: the first outer peripheral surface (41) and the front end surface (42) are connected to the neck member (30), and when viewed from the front end surface (42) of the blade holding member (40) toward the rear end surface (13) of the shank member (10), the portion of the blade holding member (40) for fixing the blade protrudes in the direction perpendicular to the axis of the shank member (10) and is disposed in the circumferential direction of the shank member (10).

3. A cutting tool for bearing machining according to claim 2, wherein: the peripheral inclined surface (44) comprises three or more mutually connected planes, the peripheral inclined surface (44) is connected with a second side end surface (45) and a first peripheral surface (41), and the second side end surface (45) is parallel to the side fixing surface (12).

4. The cutting tool for bearing machining according to claim 1, wherein: the cross section of the outer peripheral surface (11) of the handle component (10) which is vertical to the axis and is intersected with the neck component (30) has an elliptic outline shape, the elliptic outline shape is composed of four circular arc curves, and the length of the major axis of the elliptic curve is 1.55 times of the length of the minor axis.

5. The cutting tool for bearing machining according to claim 1, wherein: the space between the rear side surface (48) of the blade holding member (40) and the step (14) forms a clearance area H for the tool when the side end surface two (45) is viewed in the direction of the side end surface one (43).

6. The cutting tool for bearing machining according to claim 1, wherein: the cutting insert (1) is positioned in the cutting insert arrangement groove (47), and the screw (2) penetrates through the cutting insert (1) and is in threaded connection with the inner wall of the screw hole (46), so that the cutting insert (1) is fixed in the cutting insert arrangement groove (47).

7. The cutting tool for bearing machining according to claim 6, wherein: the cutting blade (1) is diamond-shaped, the cutting blade (1) is provided with a first blade tip (3), a second blade tip (4) and a third blade tip (5), the first blade tip (3) protrudes towards the front end face (42), the third blade tip (5) protrudes towards the opposite direction of the first blade tip (3), the second blade tip (4) protrudes towards the outer side, and the second blade tip (4) faces towards the first blade tip (3) and the third blade tip (5) in the same plane and is perpendicular to the first blade tip (3) and the third blade tip (5).