CN210848511U

CN210848511U - Special slotting cutter for machine tool

Info

Publication number: CN210848511U
Application number: CN201921001322.2U
Authority: CN
Inventors: 沈鸿泽
Original assignee: Tianjin Oppein Integrated Home Co ltd
Current assignee: Tianjin Oppein Integrated Home Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-06-26
Anticipated expiration: 2029-06-28

Abstract

The utility model belongs to the machining field specifically is a special type slotting tool for lathe. The special slotting cutter for the machine tool comprises a milling cutter rod, a milling cutter body and a milling cutter blade, wherein the milling cutter body is sleeved at the front part of the milling cutter rod, the milling cutter body is formed by coaxially penetrating five parts, and the special slotting cutter comprises a slotting cutter body positioned in the middle part, and an arc cutter body and an end part cutting cutter body which are symmetrically arranged from top to bottom along the axial direction with a plane passing through the centroid of the slotting cutter body as a mirror image plane from the top to the bottom according to the distance from the bottom to the top of the slotting cutter body. The cutter that this technical scheme adopted can be once with the operation optimization that needs twice processing in the past, and need not the unloading and remove and pinches tight calibration again for the product precision improves to some extent.

Description

Special slotting cutter for machine tool

Technical Field

The utility model belongs to the machining field specifically is a special type slotting tool for lathe.

Background

The milling cutter blade is a rotary cutter with one or more cutter teeth for milling, the cutter teeth cut off the allowance of the workpiece intermittently in turn when in work, the milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cutting off the workpiece and the like on a milling machine, the die milling cutter is used for processing a die cavity or a male die formed surface, the die milling cutter is formed by evolution of an end milling cutter and can be divided into three types of conical flat heads, cylindrical ball heads and conical ball heads according to the appearance of a working part, the hard alloy die milling cutter has wide application, can replace a manual file and a grinding wheel head to clean burrs of cast, forged and welded workpieces and can polish and process certain formed surfaces besides milling various die cavities.

Two working procedures are needed when the special aluminum alloy edge sealing required by the market technology is processed, namely firstly, a slotting milling cutter is used for processing, and then, an arc-shaped milling cutter is used for cutting an arc edge. The two procedures are too complicated, time is consumed, and the precision is reduced to some extent due to the need of secondary loading and unloading on the machine tool.

SUMMERY OF THE UTILITY MODEL

When sealing to above-mentioned processing special type aluminum alloy, adopt twice process, it is troublesome consuming time, unload the problem that thing reload machining precision is low, the utility model provides a special type slotting tool for lathe.

The special slotting cutter for the machine tool comprises a milling cutter rod, a milling cutter body and a milling cutter blade, wherein the milling cutter body is sleeved at the front part of the milling cutter rod, the milling cutter body is formed by coaxially penetrating five parts, and the special slotting cutter comprises a slotting cutter body positioned in the middle part, and an arc cutter body and an end part cutting cutter body which are symmetrically arranged from top to bottom along the axial direction with a plane passing through the centroid of the slotting cutter body as a mirror image plane from the top to the bottom according to the distance from the bottom to the top of the slotting cutter body.

Furthermore, the arc cutter body is in section projection along the axial direction of the milling cutter rod, and the tangential direction of one end of the arc part is in smooth transition with the end cutting cutter body.

Further, the slotting cutter body and the end cutter body are arranged in parallel.

Further, the outer diameter of the arc cutter body gradually increases from the slotting cutter body to the end cutting cutter body, and the arc curve of the arc cutter body satisfies an arc differential formula.

Furthermore, the axial section of the end cutting cutter body is isosceles trapezoid, and one end far away from the slotting cutter body is an upper bottom.

Further, the milling cutter blades are arranged along the arc cutter body, the end cutting cutter body and the cutting part of the slotting cutter body in the rotating direction.

Further, the distance from the straight line where the axis of the milling cutter bar is located to the farthest point of the end cutting cutter body is less than the distance to the farthest point of the grooving cutter body.

Furthermore, all parts of the milling cutter body can be connected in an integrated die sinking forming and/or welding mode.

Further, the milling cutter body may be annularly disposed to the milling cutter bar in a circumferential array.

Further, the minimum distance between the end cutting cutter bodies is greater than or equal to 14mm, the thickness of the cutter body of the slotting cutter body is less than or equal to 2.5mm, and the radian of the arc cutter body is 80-90 degrees.

The cutter that this technical scheme adopted can be once with the operation optimization that needs twice processing in the past, and need not the unloading and remove and pinches tight calibration again for the product precision improves to some extent.

Drawings

FIG. 1 is a front view of a special grooving tool for machine tools;

FIG. 2 is a side view of a special grooving tool for a machine tool;

FIG. 3 is a top view of a special grooving tool for a machine tool;

FIG. 4 is a bottom view of the special slotting cutter for machine tools;

reference numerals: the milling cutter comprises a milling cutter rod 1, a milling cutter body 2, a milling cutter blade 3, a slotting cutter body 4, an arc cutter body 5 and an end cutting cutter body 6.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

The embodiment provides a special slotting cutter for a machine tool, which comprises a milling cutter rod 1, a milling cutter body 2 and a milling cutter blade 3, wherein the milling cutter body 2 is sleeved at the front part of the milling cutter rod 1, the milling cutter body 2 is formed by coaxially penetrating five parts, and comprises a slotting cutter body 4 positioned in the middle, and an arc cutter body 5 and an end part cutting cutter body 6 which are symmetrically arranged from near to far from the slotting cutter body 4 up and down along the axial direction by taking the plane passing through the centroid of the slotting cutter body 4 as the mirror image surface.

This embodiment provides a milling cutter structure, for convenience of explanation, the bottom-up direction is set, and the end cutting cutter body 6 is the lowermost layer, and then the circular arc cutter body 5, the slotting cutter body 4, the circular arc cutter body 5, and the end cutting cutter body 6 located at the uppermost layer are sequentially arranged upward; the five parts are sleeved on a structure formed on the milling cutter rod.

Example 2

The embodiment is further defined on the basis of embodiment 1, and the technical scheme is as follows:

the arc cutter body 5 is projected along the axial direction of the milling cutter rod 1, and the tangential direction of one end of the arc part is in smooth transition with the end cutting cutter body 6. I.e. the tangential direction of the end point of the arc is located on the side of the end cutting body 6 adjacent to said grooving body 4.

The outer diameter of the circular arc cutter body 5 gradually increases from the slotting cutter body 4 to the end cutting cutter body 6, and the arc curve thereof satisfies the arc differential formula, referring to fig. 1.

The axial section of the end cutting cutter body 6 is isosceles trapezoid, and the end far away from the slotting cutter body is an upper bottom, refer to fig. 1 and 2. The milling insert 3 is arranged along the cutting part of the circular-arc cutter body 5, the end cutting cutter body 6 and the grooving cutter body 4 in the direction of rotation. The distance from the line in which the axis of the milling cutter bar 1 is located to the farthest point of the end cutting blade body 6 is less than the distance to the farthest point of the grooving blade body 4. All parts of the milling cutter body 2 can be connected in an integrated die sinking forming and/or welding mode.

Example 3

The present embodiment is further limited on the basis of embodiment 2, and several cutter body structures using the milling cutter are given, and a machining reference example is exemplified as an illustration that the milling cutter body 2 can be annularly arranged on the milling cutter bar 1 in a circumferential array form when in practical use. Referring to fig. 3 and 4, two cutting portion gaps of 180 ° are shown, divided into three gaps of 120 °, and four gaps or even more.

An example of machining dimensions is given here for end cutting bodies with a minimum pitch of 14mm or more, grooving bodies with a body thickness of 2.5mm or less and circular arc bodies with an arc of 80 ° to 90 °. The data can be used as a matching data set for machining and manufacturing the milling cutter tool with the length of 14mm,2.5mm and 80 degrees.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The special slotting cutter for the machine tool is characterized by comprising a milling cutter rod, a milling cutter body and a milling cutter blade, wherein the milling cutter body is sleeved at the front part of the milling cutter rod, the milling cutter body is formed by coaxially penetrating five parts, and the special slotting cutter for the machine tool comprises a slotting cutter body positioned in the middle, and an arc cutter body and an end part cutting cutter body which are symmetrically arranged from top to bottom along the axial direction with the plane passing through the centroid of the slotting cutter body as a mirror image plane from top to bottom.

2. A special grooving tool as claimed in claim 1 wherein the circular arc cutter body has a cross sectional projection along the axial direction of the milling cutter arbor, and one end of the circular arc portion has a tangential direction that smoothly transitions with the end cutting cutter body.

3. A special grooving tool as claimed in claim 2 wherein the grooving tool body is parallel to the end tool body.

4. A special grooving tool as claimed in claim 3 wherein the circular arc tool body has an outer diameter that gradually increases from the grooving tool body to the end cutting tool body, the arc curve of which satisfies the arc differential equation.

5. A special grooving tool as claimed in claim 1 wherein the end cutting tool body has an isosceles trapezoid axial cross-section and the end remote from the grooving tool body is an upper base.

6. A special grooving tool as claimed in claim 5 wherein the milling insert is arranged along the circular arc body, the end cutting body and the cutting portion of the grooving body in the direction of rotation.

7. A special grooving tool as claimed in claim 6 wherein the distance from the line of the milling cutter arbor axis to the furthest point of the end cutting body is less than the distance to the furthest point of the grooving body.

8. A special grooving tool as claimed in claim 1 wherein the parts of the milling cutter body can be welded together or formed by one-piece die sinking.

9. A special grooving tool as claimed in claim 1 wherein the cutter body is mounted around the cutter bar in a circumferential array.

10. The special grooving tool for machine tools according to any one of claims 1 to 9, wherein the minimum distance between the end cutting bodies is 14mm or more, the thickness of the grooving body blade is 2.5mm or less, and the arc of the circular arc body is 80 ° to 90 °.