CN215033699U

CN215033699U - High-efficient compound double knives head lathe tool

Info

Publication number: CN215033699U
Application number: CN202120806333.9U
Authority: CN
Inventors: 王卞晨; 陈峰睿
Original assignee: Yancheng Jingqi Cutter Co ltd
Current assignee: Yancheng Jingqi Cutter Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-07
Anticipated expiration: 2031-04-19

Abstract

The utility model relates to a lathe cutter technical field specifically discloses a high-efficient compound double knives head lathe tool. Comprises a knife handle, a knife head, a first blade and a second blade; the utility model discloses a lathe tool, including handle of a knife, first blade mount pad and second blade mount pad, the handle of a knife is square handle of a knife, the handle of a knife front end is connected with the tool bit, tool bit perpendicular to tool bit constitutes L shape with the handle of a knife, be equipped with first blade mount pad and second blade mount pad on the tool bit side by side, the installation face of first blade mount pad is upwards, the installation face of second blade mount pad is downwards, and first blade and second blade are installed to detachable respectively on two blade mount pads, and during processing, the lathe tool is in the removal process, and the outside turning is started from terminal surface central point to the terminal surface excircle to first blade, and machining efficiency reaches the twice of ordinary single-end lathe tool, also can slow down the feed speed, improves the precision of terminal surface.

Description

High-efficient compound double knives head lathe tool

Technical Field

The utility model relates to a lathe cutter technical field, concretely relates to high-efficient compound double knives head lathe tool.

Background

The end face turning is a process of machining the end face of a part by using a lathe, and aims to enable a workpiece to reach a specified size, end face roughness or verticality.

The end face of a common lathe is turned by an elbow lathe tool, the end face can be turned by a left elbow lathe tool and a right elbow lathe tool with larger cutting amount, the cutting is smooth, the surface is smooth and clean, the size and the plane can be turned, the smoothness of the end face of a part is related to the feed speed of the lathe tool besides the relation with the lathe tool, the slower the feed is, the smoother the surface is, the feed speed is generally controlled in order to ensure the processing precision of the end face, the processing speed of the common lathe tool is difficult to break through, and the processing efficiency is limited.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: the turning machining efficiency of the end face of a part in the prior art is low, and the efficient composite double-tool-bit turning tool with high machining efficiency is provided.

The utility model is realized by the following technical proposal, a high-efficiency composite double-tool bit turning tool comprises a tool handle, a tool bit, a first blade and a second blade; the utility model discloses a cutter, including handle of a knife, cutter head and cutter arbor, the handle of a knife is square handle of a knife, the handle of a knife front end is connected with the cutter head, cutter head perpendicular to cutter head constitutes L shape with the handle of a knife, cutter head and handle of a knife respectively have a bit to pass through the screw fixed with the knife rest, be equipped with first blade mount pad and second blade mount pad on the cutter head side by side, the installation face of first blade mount pad is upwards, the installation face of second blade mount pad is downwards, first blade mount pad, second blade mount pad, cutter head, cutter arbor formula structure as an organic whole, first blade is installed to detachable on the first blade mount pad, the second blade is installed to detachable on the second blade mount pad, the knife tip of first blade and second blade is equal height.

When the scheme is used for machining, the second blade starts to turn from the center of the end face, the first blade starts to turn from the outer circle of the end face, the turning tool is moved, the second blade is machined from inside to outside, the first blade is machined from outside to inside, when the distances from the tool tip of the first blade and the tool tip of the second blade to the axis of a part are consistent, the end face can complete turning machining, the machining efficiency reaches twice that of a common single-head turning tool, the tool feeding speed can be slowed down, and the accuracy of the end face is improved.

Furthermore, in order to ensure the rigidity of the second blade mounting seat, the second blade mounting seat is integrally higher than the cutter head, the second blade mounting seat is connected with the cutter head through a first transition section, and the second blade mounting seat is connected with the first blade mounting seat through a second transition section.

Further, for convenience of machining, the distance between the tool tips of the first blade and the second blade is slightly larger than the radius of the end face of the part.

Further, in order to replace worn blades conveniently, the first blade and the second blade are mounted on the first blade mounting seat and the second blade mounting seat respectively through a central screw, a fastening screw and a pressure head.

Furthermore, the first blade and the second blade are square indexable blades and have four tool points, so that the first blade and the second blade can be replaced for many times and are practical, and the cost of the tools is saved.

Further, the model of the first blade and the second blade is snmg120408, and a universal model is adopted, so that the replacement is convenient.

Further, the main deflection angle and the auxiliary deflection angle of the first blade and the second blade are both 45 degrees, and after the end faces are machined, the end faces can be chamfered.

The utility model has the advantages that:

the utility model discloses be equipped with handle of a knife and the tool bit that constitutes L shape, be equipped with two blade mount pads that the installation face orientation is different on the tool bit side by side, install two blades respectively, add man-hour, the turning is started from terminal surface central part to the second blade, turning is started from terminal surface excircle to the first blade, the lathe tool is at the removal in-process, the second blade is from inside to outside processing, first blade outside-in is processed, when the knife tip of first blade and the knife tip of second blade are unanimous to the distance in part axle center, lathe work is just accomplished to this terminal surface, machining efficiency reaches the twice of ordinary single-end lathe tool, also can slow down the feed speed, improve the precision of terminal surface.

Drawings

Fig. 1 is a top view of a high-efficiency composite double-bit turning tool according to the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;

fig. 4 is a left side view of the high-efficiency composite double-bit lathe tool according to the present invention;

fig. 5 is a schematic view of the processing of the high-efficiency composite double-bit lathe tool.

In the figure: 1, a knife handle; 2, a cutter head; 3 a first blade mount; 4 a second blade mount; 5 a first blade; 6 a second blade; 7 a first transition section; 8 a second transition section; 9 a central screw; 10 fastening screws; 11 indenter.

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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a high-efficiency composite double-bit turning tool, which comprises a tool handle 1, a tool bit 2, a first blade 5 and a second blade 6; the utility model discloses a cutter handle, including handle of a knife 1, cutter head 2 perpendicular to cutter head 2, handle of a knife 1 constitutes L shape, cutter head 2 and handle of a knife 1 respectively have a bit to be fixed with the cutter rest through the screw, be equipped with first blade mount pad 3 and second blade mount pad 4 on the cutter head 2 side by side, the installation face of first blade mount pad 3 makes progress, the installation face of second blade mount pad 4 is downward, first blade mount pad 3, second blade mount pad 4, cutter head 2, cutter arbor formula structure as an organic whole, first blade 5 is installed to detachable on the first blade mount pad 3, second blade 6 is installed to detachable on the second blade mount pad 4, the knife tip of first blade 5 and second blade 6 is high.

When the scheme is used for machining, the second blade 6 starts to turn from the center of the end face, the first blade 5 starts to turn from the outer circle of the end face, the second blade 6 is machined from inside to outside in the moving process of the turning tool, the first blade 5 is machined from outside to inside, when the distances from the tool tip of the first blade 5 and the tool tip of the second blade 6 to the axis of a part are consistent, the end face can finish turning machining, the machining efficiency reaches twice that of a common single-head turning tool, the tool moving speed can be slowed down, and the accuracy of the end face is improved.

In practical application, in order to ensure the rigidity of the second blade mounting seat 4, the second blade mounting seat 4 is integrally higher than the cutter head 2, the second blade mounting seat 4 is connected with the cutter head 2 through a first transition section 7, and the second blade mounting seat 4 is connected with the first blade mounting seat 3 through a second transition section 8.

In practical application, for convenience of machining, the distance between the tool tips of the first blade 5 and the second blade 6 is slightly larger than the radius of the end face of the part.

In practical application, in order to replace worn-out inserts conveniently, the first insert 5 and the second insert 6 are respectively mounted on the first insert mounting seat 3 and the second insert mounting seat 4 through a center screw 9, a fastening screw 10 and a pressure head 11.

In practical application, the first blade 5 and the second blade 6 are both square indexable blades and have four tool points, so that the blades can be replaced for multiple times and are practical, and the cost of the blades is saved.

In practical application, the model of the first blade 5 and the second blade 6 is snmg120408, and a universal model is adopted, so that the replacement is convenient.

In practical application, the main deflection angle and the auxiliary deflection angle of the first blade 5 and the second blade 6 are both 45 degrees, and after the end faces are machined, the end faces can be chamfered.

The utility model discloses a theory of operation:

the utility model discloses be equipped with handle of a knife 1 and tool bit 2 that constitute L shape, tool bit 2 and handle of a knife 1 respectively have a bit to pass through the screw fixed with the knife rest, guarantee the stability of cutter body, be equipped with two blade mount pads that the installation face orientation is different on the tool bit 2 side by side, install two blades respectively, add man-hour, second blade 6 begins the turning from terminal surface center part, turning is begun from terminal surface excircle to first blade 5, the lathe tool is at the removal in-process, second blade 6 is from inside to outside processing, first blade 5 outside to inside processing, when the knife tip of first blade 5 and the knife tip of second blade 6 are unanimous to the distance in part axle center, lathe work is just accomplished to this terminal surface, machining efficiency reaches the twice of ordinary single-end lathe tool, also can slow down the feed speed, improve the precision of terminal surface.

To sum up, a high-efficient compound double knives head lathe tool install two blades, first blade outside-in processes, and first blade is from inside to outside processing, has improved facing lathe work's efficiency greatly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims

1. The utility model provides a high-efficient compound double knives head (2) lathe tool which characterized in that: comprises a knife handle (1), a knife head (2), a first blade (5) and a second blade (6); the knife handle (1) is a square knife handle (1), the front end of the knife handle (1) is connected with a knife head (2), the knife head (2) is vertical to the knife head (2), the cutter head (2) and the cutter handle (1) form an L shape, each point of the cutter head (2) and the cutter handle (1) is fixed with the cutter rest through screws, a first blade mounting seat (3) and a second blade mounting seat (4) are arranged on the cutter head (2) in parallel, the mounting surface of the first blade mounting seat (3) faces upwards, the mounting surface of the second blade mounting seat (4) faces downwards, the first blade mounting seat (3), the second blade mounting seat (4), the cutter head (2) and the cutter bar are of an integrated structure, a first blade (5) is detachably arranged on the first blade mounting seat (3), the second blade mounting seat (4) is detachably provided with a second blade (6), and the tips of the first blade (5) and the second blade (6) are equal in height.

2. The efficient composite double-bit (2) turning tool as claimed in claim 1, wherein: the second blade mounting seat (4) is integrally higher than the tool bit (2), the second blade mounting seat (4) is connected with the tool bit (2) through a first transition section (7), and the second blade mounting seat (4) is connected with the first blade mounting seat (3) through a second transition section (8).

3. The efficient composite double-bit (2) turning tool as claimed in claim 1, wherein: the distance between the tool tips of the first blade (5) and the second blade (6) is slightly larger than the radius of the end face of the part.

4. The efficient composite double-bit (2) turning tool as claimed in claim 1, wherein: the first blade (5) and the second blade (6) are respectively installed on the first blade installation seat (3) and the second blade installation seat (4) through a central screw (9), a fastening screw (10) and a pressure head (11).

5. A high-efficiency compound double-bit (2) turning tool according to any one of claims 1-4, characterized in that: the first insert (5) and the second insert (6) are both square indexable inserts.

6. The efficient composite double-bit (2) turning tool as claimed in claim 5, wherein: the first blade (5) and the second blade (6) are snmg 120408.

7. The efficient composite double-bit (2) turning tool as claimed in claim 5, wherein: the primary and secondary declination angles of the first and second blades (5, 6) are both 45 degrees.