CN215615405U

CN215615405U - Non-standard alloy forming cutter for turning end face and inner circular arc

Info

Publication number: CN215615405U
Application number: CN202122417928.8U
Authority: CN
Inventors: 陈思; 陈峰睿
Original assignee: Yancheng Jingqi Cutter Co ltd
Current assignee: Yancheng Jingqi Cutter Co ltd
Priority date: 2021-10-06
Filing date: 2021-10-06
Publication date: 2022-01-25
Anticipated expiration: 2031-10-06

Abstract

The utility model provides a non-standard alloy forming cutter with a turning end face and an inner circular arc, which comprises a cutter bar body, wherein the cutter bar body is arranged to be a cylinder, a side cutting face is arranged at the front end of the cutter bar body, the side cutting face and the axis of the cutter bar body form a certain angle, an upper arc face is arranged on the side cutting face in a 90-degree rotating mode, the upper arc face is connected with a transition face, the transition face and the upper arc face are arranged on the upper portion of the axis of the cutter bar body, the transition face is connected with a front cutter face, the front cutter face and the transition face form a main cutting edge, the front cutter face is connected with a rear cutter face, the main cutting edge is far away from the side cutting face and is connected with an arc groove, the arc groove is perpendicular to the main cutting edge, and the arc groove and the edge distance between the arc groove and the cutter bar body correspond to the inner circular arc of a workpiece. The utility model independently designs the non-standard alloy forming cutter, processes the end surface and the inner circular arc of the workpiece in one step, has simple and reliable operation and short production period, and is suitable for enterprise development.

Description

Non-standard alloy forming cutter for turning end face and inner circular arc

Technical Field

The utility model belongs to the technical field of machining cutters, and particularly relates to a non-standard alloy forming cutter for turning end faces and inner arcs.

Background

In the machining industry, for machining the internal profile of a rod part, a milling machining or electric discharge machining mode is generally adopted, particularly for parts with complex cross-sectional shapes and high requirements on size and surface precision. However, with the rapid development of the technology, the machining industry gradually develops from large-scale production to large-scale production due to the fact that the specifications are changed more, the production batch is small, and the machining period is short. For the machining of rod parts with complex cross-sectional shapes and high requirements on size and surface accuracy, as shown in fig. 1, a transmission machining mode is adopted, the machining time of a single piece is long, the production cost is high, the overall period is long, and the requirements of the current machining industry cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a non-standard alloy forming cutter for turning end surfaces and inner arcs.

In order to achieve the purpose, the utility model provides the following technical scheme:

a non-standard alloy forming cutter with a turning end face and an inner circular arc comprises a cutter rod body, wherein the cutter rod body is arranged to be a cylinder, a side cutting face is arranged at the front end of the cutter rod body, the side cutting face and the axis of the cutter rod body are arranged at a certain angle, an upper arc face is arranged on the side cutting face in a rotating mode of 90 degrees, the upper arc face is connected with a transition face, the transition face and the upper arc face are arranged on the upper portion of the axis of the cutter rod body, the transition face is connected with a front cutter face, the front cutter face and the transition face form a main cutting edge, and the front cutter face is connected with a rear cutter face,

the main cutting edge is far away from the side tangent plane and is connected with an arc groove, the arc groove is perpendicular to the main cutting edge, and the arc groove and the edge distance between the arc groove and the cutter bar body correspond to the inner arc of the workpiece.

Further, the cutter arbor body diameter is 6mm, the cutter arbor body sets up to alloy material.

Further, the arc groove is set to R0.5mm, the depth is 0.8mm, and the distance from the center of the arc groove to the center of the cutter bar body is 1.94 mm.

Further, the main cutting edge is 0.2mm away from the axis of the cutter bar body.

Further, the side tangent plane and the axis of the cutter bar body form an angle of 35 degrees, and the upper cambered surface is R50 mm.

Further, the transition surface and the axis of the cutter bar body form an angle of 10 degrees, the transition surface and the rake surface form an angle of 7 degrees, and the rake surface and the flank surface form an angle of 32 degrees.

Has the advantages that: the utility model designs the non-standard alloy forming cutter independently, the end surface and the inner circular arc of the workpiece are processed in one step, the operation is simple and reliable, the production period is short, and the utility model is suitable for enterprise development;

the cutter has simple structure, and the processed parts have high dimensional precision and surface precision.

Drawings

FIG. 1 is a diagram of a workpiece to be machined according to the prior art;

FIG. 2 is a machining drawing of a non-standard alloy forming tool for turning end surfaces and inner arcs provided by the utility model;

FIG. 3 is a front view of a non-standard alloy forming tool for turning end surfaces and inner arcs provided by the utility model;

FIG. 4 is a top view of a non-standard alloy forming tool for turning end surfaces and inner arcs provided by the present invention;

FIG. 5 is a partially enlarged view of a non-standard alloy forming tool for turning end surfaces and inner arcs provided by the utility model.

In the figure: 1 cutter bar body, 101 side section, 102 upper arc surface, 103 transition surface, 104 rake surface, 105 main cutting edge and 106 arc groove.

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 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 of the present invention without any inventive step, are within the scope of the present invention.

As shown in fig. 2-5, the non-standard alloy forming cutter with a turned end surface and an inner arc provided by the present invention comprises a cutter bar body 1, wherein the cutter bar body 1 is configured as a cylinder, a side cut surface 101 is provided at the front end of the cutter bar body 1, the side cut surface 101 and the axis of the cutter bar body 1 are arranged at a certain angle, an upper arc surface 102 is provided on the side cut surface 101 by rotating 90 degrees, the upper arc surface 102 is connected with a transition surface 103, the transition surface 103 and the upper arc surface 102 are arranged on the upper portion of the axis of the cutter bar body 1, the transition surface 103 is connected with a rake surface 104, the rake surface 104 and the transition surface 103 form a main cutting edge 105, and the rake surface 104 is connected with a flank surface 107,

the main cutting edge 105 is connected with an arc groove 106 far away from the side tangent plane 101, the arc groove 106 is perpendicular to the main cutting edge 105, and the arc groove 106 and the edge distance between the arc groove 106 and the cutter bar body 1 are arranged corresponding to the inner circular arc A of the workpiece.

In practical application, the diameter of the cutter bar body 1 is 6mm, and the cutter bar body 1 is made of alloy materials.

In practical application, the arc groove 106 is set to R0.5mm, the depth is 0.8mm, the distance from the center of the arc groove 106 to the center of the cutter bar body 1 is 1.94mm, a gap of 0.04mm is reserved between the outer circle of the cutter body 1 and the inner hole of the workpiece, and the processing precision of the inner hole and the inner arc is ensured.

In practical applications, the main cutting edge 105 is 0.2mm from the axis of the tool holder body 1.

In practical application, the side cutting surface 101 is arranged at 35 degrees to the axis of the tool holder body 1, and the upper arc surface 102 is arranged as R50 mm.

In practical applications, the transition surface 103 is disposed at 10 ° to the axis of the tool holder body 1, the transition surface 103 is disposed at 7 ° to the rake surface 104, and the rake surface 104 is disposed at 32 ° to the flank surface 107.

The working principle is as follows:

the turning end surface and inner arc non-standard alloy forming cutter is designed and processed independently, and corresponds to an inner arc of a workpiece to be processed, the main cutting edge 105 is vertically provided with an arc groove 106, the distance from the center of the arc groove 106 to the center of the cutter bar body 1 is 1.94mm, a gap of 0.04mm is reserved between the outer circle of the cutter bar body 1 and the inner hole of the workpiece, and the processing precision of the inner hole and the inner arc A is guaranteed; after the forming cutter processes the end face of the workpiece, the inner circular arc is processed in place at one time, the processing time is short, the processing precision is high, and the forming cutter is suitable for batch processing.

In summary, the following steps: the utility model independently designs the non-standard alloy forming cutter, processes the end surface and the inner circular arc of the workpiece in one step, and has the advantages of simple and reliable operation and short production period.

The foregoing shows and describes the principles, essential features and advantages of the present invention, with front, rear, left and right non-limiting reference being made thereto, primarily for the purpose of illustrating the technology more intuitively, and without limitation. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.

Claims

1. The utility model provides a car terminal surface, interior circular arc nonstandard alloy shaping sword which characterized in that: comprises a cutter bar body (1), the cutter bar body (1) is arranged to be a cylinder, the front end of the cutter bar body (1) is provided with a side tangent plane (101), the side tangent plane (101) and the axis of the cutter bar body (1) are arranged at a certain angle, the side tangent plane (101) rotates by 90 degrees and is provided with an upper arc surface (102), the upper arc surface (102) is connected with a transition surface (103), the transition surface (103) and the upper arc surface (102) are arranged on the upper part of the axis of the cutter bar body (1), the transition surface (103) is connected with a front cutter surface (104), the front cutter surface (104) and the transition surface (103) form a main cutting edge (105), and the front cutter surface (104) is connected with a rear cutter surface (107),

the main cutting edge (105) is far away from the side tangent plane (101) and is connected with an arc groove (106), the arc groove (106) is perpendicular to the main cutting edge (105), and the arc groove (106) and the edge distance between the arc groove and the cutter bar body (1) are arranged corresponding to the inner arc of the workpiece.

2. The non-standard alloy forming tool for turning end surfaces and inner arcs according to claim 1, wherein: the cutter bar body (1) is 6mm in diameter, and the cutter bar body (1) is made of alloy materials.

3. The non-standard alloy forming tool for turning end surfaces and inner arcs according to claim 1, wherein: the arc groove (106) is set to R0.5mm, the depth is 0.8mm, and the distance from the center of the arc groove (106) to the center of the cutter bar body (1) is 1.94 mm.

4. The non-standard alloy forming tool for turning end surfaces and inner arcs according to claim 1, wherein: the main cutting edge (105) is 0.2mm away from the axis of the cutter bar body (1).

5. The non-standard alloy forming tool for turning end surfaces and inner arcs according to claim 1, wherein: the side tangent plane (101) and the axis of the cutter bar body (1) form an angle of 35 degrees, and the upper cambered surface (102) is R50 mm.

6. The non-standard alloy forming tool for turning end surfaces and inner arcs according to claim 1, wherein: the transition surface (103) and the axis of the cutter bar body (1) are arranged at an angle of 10 degrees, the transition surface (103) and the rake surface (104) are arranged at an angle of 7 degrees, and the rake surface (104) and the flank surface (107) are arranged at an angle of 32 degrees.