CN211304818U - Turning tool for machining three-groove workpiece - Google Patents

Abstract

The application relates to the field of turning tools, in particular to a turning tool for machining a three-groove workpiece, which comprises a cutting end and an installation part, wherein the installation part and the cutting end are integrally formed, the installation part is used for being installed on a tool apron, the cutting end comprises three flanges, two grooves are formed between the three flanges, the end part of the section of each flange is a minor arc, the circumferential angle of each minor arc is 150 degrees, the radius of each minor arc is 0.76mm, the bottom of the section of each groove is the same minor arc, the circumferential angle of each minor arc is 150 degrees, the radius of each minor arc is 0.76mm, the distance between the two minor arcs is 0.47mm, the surface, provided with the cutting end, of the turning tool is a cutting face, chamfers are formed on the two flanges on the left side and the right side of the cutting face, the circumferential angles of the chamfers are 75. The utility model provides a lathe tool for processing three recess work pieces durable, convenient fixed, processing is swift rapid.

Description

Turning tool for machining three-groove workpiece

Technical Field

The utility model relates to a lathe tool field, more specifically says, it relates to a lathe tool for processing three recess work pieces.

Background

Referring to fig. 1, a lathe 1 is a machine tool that performs turning processing of a rotating workpiece mainly with a turning tool, which is a tool having a cutting portion for turning processing.

Chinese utility model patent that patent grant publication number is CN209157165U discloses an interior cooling blade, its shape is a classic lathe tool shape, this kind of classic lathe tool generally all possesses a pointed end, and the blade is fixed on the blade holder, add cutting, install lathe tool and blade holder on the lathe, the lathe controls how much of feed volume through the back-and-forth movement of control blade holder, and it controls how much to the translation volume to move about through controlling the blade holder to close, work piece through the simultaneous control to feed volume and translation volume processes out various shapes. The classical turning tool has strong adaptability, and workpieces in various shapes can be machined only by adjusting a control program.

Referring to fig. 2, there is now a hardware workpiece which requires the use of a lathe 1 to machine three grooves 2 with two flanges 3 formed between the three grooves 2. Referring to fig. 3 and 4, the cross-sectional shape of the bottom of the groove 2 is a minor arc with a circumferential angle of 150 ° and a radius of 0.76mm, the cross-sectional shape of the top of the flange 3 is also a minor arc with a circumferential angle of 150 °, a radius of 0.76mm, the distance between two segments of minor arcs is 0.47 ± 0.02mm, the distance between the circles of minor arcs at the top of two adjacent flanges 3 is 3.18mm, the edges of two grooves 2 on both sides are provided with chamfers with a cross-sectional shape of a minor arc with a circumferential angle of 75 ° and a radius of 0.76 mm.

Because there are more meticulous arc structures in the five metals work piece, use classic lathe tool to add man-hour, need the control to the high precision of feed amount and translation volume, just can process such five metals work piece to, the time that processes such a work piece at every turn is longer.

Therefore, there is a need for a turning tool for machining a three-fluted workpiece that overcomes the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a lathe tool for processing three recess work pieces, easily control, and can process out the shape of five metals work piece fast.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a lathe tool for processing three recess work pieces, includes cutting end and installation department, the installation department with cutting end integrated into one piece, the installation department is used for installing on the blade holder, the cutting end includes three flange, is formed with two recesses between the three flange, the tip in the cross-section of flange is a minor arc, and the circumferential angle of minor arc is 150, and the radius is 0.76mm, the cross-section bottom of recess is a same minor arc, and the circumferential angle of minor arc is 150 equally, and the radius is 0.76mm equally, and the distance between the minor arc of two is 0.47mm, the lathe tool is equipped with the one side of cutting end and is the smear metal face, two of the left and right sides the flange all is formed with a chamfer with the cutting face, and the circumferential angle of chamfer is 75, and the radius is 0.76 mm.

By adopting the technical scheme, the turning tool can directly process three groove structures of the hardware workpiece by only one feed action, and the whole turning tool is quick and simple without controlling the translation amount.

The utility model discloses further set up to: the cutting face is divided into a first face and a second face by a cutting end, the first face and the second face form an included angle of 5 degrees with a front view reference plane, and the first face and the second face incline towards a direction far away from the end part of the flange.

Through adopting above-mentioned technical scheme, such setting makes the cutting waste material fly out more easily on the one hand, and on the other hand avoids first face and second face to collide other positions of work piece.

The utility model discloses further set up to: the installation department is provided with the counter bore, the counter bore is used for supplying the bolt to pass and fixes a position the installation department on the blade holder.

Through adopting above-mentioned technical scheme, through counter bore and screw thread, can fix the installation department on the blade holder well.

The utility model discloses further set up to: the counter sink comprises a counter sink part and a through hole part, the cross section of the counter sink part is circular with the radius of 7.00mm, and the cross section of the through hole part is circular with the radius of 5.40 mm.

By adopting the technical scheme, the bolt can be well installed in the shape and the size.

The utility model discloses further set up to: the one end that the cutting end was kept away from to the installation department is dovetail tip, two inclined plane contained angles of dovetail tip are 20.

Through adopting above-mentioned technical scheme, the tip of dovetail can inlay the card better on the blade holder.

The utility model discloses further set up to: the thickness of lathe tool is 4.75 mm.

Through adopting above-mentioned technical scheme, practice shows that, thickness is 4.75 mm's lathe tool, and structural strength is better on the one hand, and on the other hand the lathe tool is difficult to overheated.

The utility model discloses further set up to: the turning tool is made of hard alloy.

Through adopting above-mentioned technical scheme, carbide's hardness is high, can process the raw materials of multiple material, and durable, can not cause too big influence to the lathe tool yet in the cutting production of heat.

To sum up, the utility model discloses following beneficial effect has:

firstly, three groove structures of the hardware workpiece can be directly machined only by one feed action, and the translation amount is not required to be controlled, so that the machining process is quick and simple;

secondly, the tool can be well fixed on the tool apron;

thirdly, carbide's hardness is high, can process the raw materials of multiple material, and durable, and the cutting produces thermal can not cause too big influence to the lathe tool yet.

Drawings

FIG. 1 is a schematic view of a prior art lathe;

FIG. 2 is a schematic structural diagram of a hardware workpiece;

FIG. 3 is a schematic cross-sectional view of a hardware workpiece;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a schematic structural view of the present embodiment;

FIG. 6 is another schematic structural view of the present embodiment;

FIG. 7 is a schematic size diagram of the present embodiment

FIG. 8 is a plan view of the present embodiment;

fig. 9 is a rear view of the present embodiment.

In the figure: 1. turning a lathe; 2. a groove; 3. a flange; 4. turning a tool; 4a, a cutting surface; 4a1, first face; 4a2, second face; 4b, a counter bore; 4b1, countersink; 4b2, a through-hole portion; 5. a tool apron; 6. and (4) bolts.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In which like parts are designated by like reference numerals. It should be noted that the following description uses terms of orientation such as "front and back end," "left and right sides," "above," "below," and the like to refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" to refer to directions toward and away from, respectively, the geometric center of a particular component. In addition, the descriptions of "mounted on … …", "disposed on … …" and the like refer to two components having a certain connection and positional relationship, and do not refer to one component being on the upper surface of the other component. In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations. It should be noted that all the grooves and flanges in the present invention have the same shape and size, so that the same reference numerals are used, and the specific meaning of the "distance between two minor arcs" in the present document can be determined by illustration.

Referring to fig. 5 and 6, a turning tool 4 for processing a workpiece with multiple grooves 2, the turning tool 4 is made of hard alloy, and comprises a cutting end and an installation part, the installation part and the cutting end are integrally formed, the installation part is used for being installed on a tool apron 5, the cutting end comprises three flanges 3, and two grooves 2 are formed between the three flanges 3.

Referring to fig. 7 and 8, the cross section of the flange 3 ends in a minor arc having a circumferential angle of 150 ° and a radius of 0.76mm, the cross section of the groove 2 bottoms in a similar minor arc having a circumferential angle of 150 ° and a radius of 0.76mm, and the distance between the minor arcs is 0.47 mm. The face of the turning tool 4 provided with the cutting end is a cutting face, a chamfer is formed on the two flanges 3 on the left side and the right side and the cutting face 4a, the circumferential angle of the chamfer is 75 degrees, and the radius is 0.76 mm. The width of the turning tool 4 is 15.18mm, and the distance from the center position of the flanges 3 at the left side and the right side to the side of the turning tool 4 is 4.42 mm.

Referring to fig. 6-8, the mounting portion is provided with a counter bore 4b, the counter bore 4b being for the bolt 6 to pass through and locate the mounting portion on the tool holder 5. The counter bore 4b comprises a counter sink part 4b1 and a through hole part 4b2, the cross section of the counter sink part 4b1 is circular with the radius of 7.00mm, and the cross section of the through hole part 4b2 is circular with the radius of 5.40 mm.

Referring to fig. 8 and 9, the cut end of the cutting face 4a is divided into a first face 4a1 and a second face 4a2, the first face 4a1 and the second face 4a2 each form an angle of 5 ° with respect to a front reference plane, and the first face 4a1 and the second face 4a2 each are inclined away from the end of the flange 3. The end of the mounting part far away from the cutting end is a dovetail-shaped end part, the distance from the circle center of the counter bore 4b to the end face of the dovetail-shaped end part is 7.31mm, the included angle of two inclined planes of the dovetail-shaped end part is 20 degrees, and a dovetail groove matched with the dovetail-shaped end part is arranged on the tool apron 5. The thickness of the turning tool 4 is 4.75 mm.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. The utility model provides a lathe tool for processing three recess work pieces which characterized in that: including cutting end and installation department, the installation department with cutting end integrated into one piece, the installation department is used for installing on blade holder (5), the cutting end includes three flange (3), is formed with two recess (2) between three flange (3), the tip in the cross-section of flange (3) is a minor arc, and the circumferential angle of minor arc is 150, and the radius is 0.76mm, the cross-section bottom of recess (2) is a same minor arc, and the circumferential angle of minor arc is 150 equally, and the radius is 0.76mm equally, and the distance between the minor arc of two is 0.47mm, lathe tool (4) are equipped with the one side of cutting end and are the smear metal face, two of the left and right sides flange (3) all are formed with a chamfer with cutting face (4a), and the circumferential angle of chamfer is 75, and the radius is 0.76 mm.

2. The turning tool for machining a three-groove workpiece as set forth in claim 1, wherein: the cutting face (4a) is divided into a first face (4a1) and a second face (4a2) by a cut end, the first face (4a1) and the second face (4a2) form an included angle of 5 degrees with a front reference plane, and the first face (4a1) and the second face (4a2) are inclined towards a direction far away from the end of the flange (3).

3. The turning tool for machining a three-groove workpiece as set forth in claim 1, wherein: the installation department is provided with counter bore (4b), counter bore (4b) are used for supplying bolt (6) to pass and fix a position the installation department on blade holder (5).

4. A turning tool for machining a three-fluted workpiece according to claim 3, wherein: the counter sink (4b) comprises a counter sink part (4b1) and a through hole part (4b2), the cross section of the counter sink part (4b1) is circular with the radius of 7.00mm, and the cross section of the through hole part (4b2) is circular with the radius of 5.40 mm.

5. The turning tool for machining a three-groove workpiece as set forth in claim 1, wherein: the one end that the cutting end was kept away from to the installation department is the dovetail tip, two inclined plane contained angles of dovetail tip are 20, are provided with the dovetail tip adaptation on blade holder (5).

6. The turning tool for machining a three-groove workpiece as set forth in claim 1, wherein: the thickness of lathe tool (4) is 4.75 mm.

7. The turning tool for machining a three-groove workpiece as set forth in claim 1, wherein: the turning tool (4) is made of hard alloy.

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