CN219852169U

CN219852169U - Double-head turning tool for improving machining depth

Info

Publication number: CN219852169U
Application number: CN202321082863.9U
Authority: CN
Inventors: 王志斌; 许松梅; 王萍; 罗晓峰
Original assignee: Angang Heavy Machinery Co Ltd
Current assignee: Angang Heavy Machinery Co Ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-10-20
Anticipated expiration: 2033-05-08

Abstract

The utility model relates to the technical field of machine tool machining cutters, in particular to a double-head turning tool for improving machining depth, which is characterized by comprising blades and cutter bars, wherein blade mounting positions are arranged at the front ends of the cutter bars, cutter pads are arranged in the blade mounting positions and are connected with the cutter bars through screws, the blades are connected with the cutter bars through pressing plates and screws, the number of the blade mounting positions is two, the number of the blade mounting positions corresponds to one round blade and one square blade, the round blade is positioned at the cutter tip of the turning tool, the square blade is positioned at the rear side of the round blade, and the cutter tip of the square blade is 5-8mm away from the cutter tip of the round blade. The utility model has the advantages that: 1) Two blades are arranged at the end part of the cutter bar, so that the machining depth is improved, the number of times of feeding is reduced, and the rough machining production efficiency is improved by 30%. 2) The cross section of the tool bar can be enlarged appropriately to meet the cutting force requirements. 3) The combination mode of the round blade and the square blade ensures the impact resistance of the turning tool to the greatest extent, and the maximum single-side 15mm cutting depth requirement of single-pass cutting is achieved.

Description

Double-head turning tool for improving machining depth

Technical Field

The utility model relates to the technical field of machine tool machining tools, in particular to a double-head turning tool capable of improving machining depth.

Background

A cutter is a tool used for cutting machining in machine manufacturing, also called a cutting tool. Most knives are mechanical but also hand-held. Since tools used in machine manufacture are basically used for cutting metallic materials, the term "tool" is generally understood to mean a metal cutting tool. The tool for cutting wood is called a woodworking tool. There is also a particularly applicable class of tools for geological exploration, well drilling, mine drilling, known as mine tools.

A turning tool is a tool for turning machining having a cutting portion. Turning tools are one of the most widely used tools in cutting operations. The cutting part of the turning tool consists of a main cutting edge, a secondary cutting edge, a front tool surface, a main rear tool surface and a secondary rear tool surface, and a tool tip angle. The combination of the cutting portion and the shank portion (i.e., the clamping portion) of the turning tool is mainly monolithic, welded, mechanically clamped, and welded-mechanically clamped. The mechanical clamping type turning tool can avoid stress and cracks generated by the hard alloy blade during high-temperature welding, and the tool handle can be used for multiple times. The mechanically clamped turning tool is generally a mechanically clamped turning tool with a rotatable blade and a blade clamped by a screw and a pressing plate. The knife edge can be turned for continuous use after being dulled, and the stopping and tool changing time is short, so that the rapid development is achieved. The turning tool is used for various lathes for machining excircles, inner holes, end faces, threads, turning grooves and the like. The structure can be divided into an integral lathe tool, a welding lathe tool, a machine clamping lathe tool, an indexable lathe tool and a forming lathe tool. Among them, indexable turning tools are increasingly used, and the proportion of the turning tools is gradually increased. The mechanically clamped turning tool is one with common blade and mechanically clamped to the cutter bar.

Generally, only one blade is arranged on one cutter bar, so that rough machining is required to be carried out on the same workpiece, the number of times of feeding is often 3 or more, and the traditional machine clamp lathe cutter is limited by the size of the blade under the condition that the machining allowance of part of the workpiece is large, and cannot meet the requirement of on-site large cutting depth, so that multiple times of feeding machining are required, and the machining efficiency is low.

Disclosure of Invention

The utility model aims to provide a double-head turning tool for improving machining depth, which overcomes the defects of the prior art, changes the structure of an original turning tool, and is characterized in that two blades are arranged on a cutter bar of the turning tool with a common structure, wherein one blade is a round blade, the other blade is a square blade, so that the purpose of increasing the cutting depth is realized, the number of times of feeding is reduced, and the machining efficiency of the turning tool is improved.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

the utility model provides an improve double-end lathe tool of machining degree of depth, includes blade and cutter arbor, the cutter arbor front end is equipped with the blade installation position, its characterized in that, be equipped with the shim in the blade installation position, the shim is connected with the cutter arbor through the screw, and the blade is connected with the cutter arbor through clamp plate and screw, the blade installation position is two, corresponds a round blade and a square blade, the round blade is located the knife tip department of lathe tool, square blade is located the rear side 5-15mm of round blade, and the knife tip of square blade and the knife tip spacing of round blade eat 5-8mm.

Further, the thicknesses of the round blade and the square blade are consistent.

Further, grooves are formed in the cutter bars corresponding to the tail portions of the pressing plates.

Further, the screw is a cutter plum blossom screw.

Further, the cross section of the cutter bar is any one of square, round or round square.

Further, the shape of clamp plate is boat shape, is equipped with the boss in the middle, and the screw hole sets up on the boss in the middle, and the clamp plate both ends are equipped with the protruding edge, and the protruding edge of afterbody matches with the recess on the cutter arbor.

Further, the ratio of the width of the tail to the width of the head of the pressing plate is 1-1.5.

Further, the round blade and the square blade are made of any one of a hard alloy blade, a ceramic blade and a cubic boron nitride blade.

Further, the front angle of the double-head turning tool is +/-10 degrees, and the rear angle is 0-20 degrees.

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

1) According to the utility model, the design form of the original single-blade turning tool is changed, two blades are arranged at the end part of the cutter bar, the purpose of improving the machining depth is realized, the number of times of feeding is reduced, and the rough machining production efficiency is improved by 30%.

2) The turning tool is custom designed, the required machining depth is calculated according to the requirement of a machined workpiece, and then the combined form of the blade is designed according to the machining depth requirement, so that the cross section of the cutter bar can be properly enlarged to meet the requirement of bearing cutting force.

3) The combined mode of the round blade and the square blade can ensure the impact resistance of the turning tool to the greatest extent, the round blade is responsible for processing the outer skin of a workpiece, the square blade is responsible for processing continuous processing parts, the cutting depth requirement of 15mm on one side can be maximally completed by single feeding, and the production requirement of high efficiency is met.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

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

FIG. 3 is a cross-sectional view taken along line B-B in FIG. 1;

fig. 4 is a schematic view of the rake and relief angles of a turning tool in an embodiment of the utility model.

In the figure: 1-a knife pad screw; 2-a circular blade pad; 3-a circular blade; 4-screws; 5-pressing plates; 6, a cutter bar; 7-square blade knife pad; 8-square blade.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein can be arranged and designed in a wide variety of 0 different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

The utility model discloses a double-head turning tool embodiment structure schematic diagram for improving machining depth, which is shown in fig. 1, and comprises a blade and a cutter bar 6, wherein the front end of the cutter bar 6 is provided with blade mounting positions, the blade is connected with the cutter bar 6 through a pressing plate 5 and a screw 4, the number of the blade mounting positions is two, the double-head turning tool comprises a round blade 3 and a square blade 8, the round blade 3 is positioned at the tool tip of the turning tool, the square blade 8 is positioned at the rear side 15mm of the round blade 3, and the tool tip of the square blade 8 is 5-8mm away from the tool tip of the round blade 3. The circular blade mounting position is provided with a circular blade shim 2, the circular blade shim 2 is connected with the cutter bar 6 through a shim screw 1, the square blade mounting position is provided with a square blade shim 7, and the square blade shim 7 is connected with the cutter bar 6 through the shim screw 1. When in rough machining, the round blade is responsible for machining the outer skin of a workpiece, the square blade is responsible for machining continuous machining parts, the requirement of cutting depth of 15mm on one side can be met through single feeding, and the conventional single-head turning tool can be completed through 3 times.

The thickness of the circular blade 3 is consistent with that of the square blade 8. The shape of the pressing plate 5 is boat-shaped, a boss is arranged in the middle of the pressing plate, the boss is matched with a mounting hole on the cutter bar, a screw hole is arranged on the boss in the middle, protruding edges are arranged at two ends of the pressing plate, the protruding edges at the tail are matched with grooves on the cutter bar 6, and the maximum pressing force can be provided for the cutter blade. The screw 4 is a cutter plum blossom screw and has a self-locking function. The knife bar 6 corresponding to the tail of the pressing plate 5 is provided with a protruding edge, the protruding edge of the tail is matched with the groove on the knife bar 6, and the ratio of the tail width to the head width of the pressing plate 5 is 1.25. The strength of the pressing plate is maximized on the premise of ensuring the installation space.

The turning tool is applicable to various mechanical processing equipment, and the cross section of the cutter bar 6 is any one of square, round or round square and is matched with the corresponding equipment.

In the embodiment, the round blade 3 and the square blade 8 can be made of hard alloy blades, ceramic blades or cubic boron nitride blades, and are firstly placed in the blade mounting positions on the cutter bar and then fixed by the pressing plate 2, so that the connection strength of the blades can meet the cutting requirement. The front angle of the turning tool is 7 degrees, and the back angle is 7 degrees, so that the optimal cutting effect is obtained.

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 an improve double-end lathe tool of machining degree of depth, includes blade and cutter arbor, the cutter arbor front end is equipped with the blade installation position, its characterized in that, be equipped with the shim in the blade installation position, the shim is connected with the cutter arbor through the screw, and the blade is connected with the cutter arbor through clamp plate and screw, the blade installation position is two, corresponds a round blade and a square blade, the round blade is located the knife tip department of lathe tool, square blade is located the rear side 5-15mm of round blade, and the knife tip of square blade and the knife tip spacing of round blade eat 5-8mm.

2. A double-ended turning tool for increasing depth of cut according to claim 1, wherein the circular and square blades are of uniform thickness.

3. The double-ended turning tool for increasing machining depth according to claim 1, wherein grooves are formed in cutter bars corresponding to tail portions of the pressing plates.

4. The double-ended turning tool for increasing depth of cut of claim 1, wherein the screw is a cutter box screw.

5. The double-ended turning tool for increasing machining depth according to claim 1, wherein the cross section of the tool bar is any one of square, round, or rounded square.

6. A double-ended turning tool for increasing depth of finish according to claim 3, wherein the pressing plate is boat-shaped, a boss is provided in the middle, the screw hole is centrally provided on the boss, protruding edges are provided at both ends of the pressing plate, and the protruding edges of the tail are matched with the grooves of the tool bar.

7. A double-ended tool bit for increasing depth of field according to claim 6, wherein the ratio of the width of the trailing portion to the width of the leading portion of the platen is 1-1.5.

8. The double-ended turning tool for increasing machining depth according to claim 1, wherein the round blade and the square blade are made of any one of a cemented carbide blade, a ceramic blade, and a cubic boron nitride blade.

9. A double-ended turning tool for increasing machining depth according to claim 1, wherein the rake angle of the double-ended turning tool is ± 10 ° and the relief angle is 0-20 °.