CN210023872U

CN210023872U - Jacking knife structure

Info

Publication number: CN210023872U
Application number: CN201920801931.XU
Authority: CN
Inventors: 唐裕康; 唐鑫玉; 唐敏; 吴灿楠; 高君
Original assignee: Jingjiang Xinyuan Electric Equipment Co Ltd
Current assignee: Jingjiang Xinyuan Electric Equipment Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-07
Anticipated expiration: 2029-05-30

Abstract

The utility model provides a jacking sword structure, includes handle of a knife, cutter body, the cutter body set up to hollow cylinder, its surface is provided with the step, forms the convex character form, be provided with chip groove a, chip removal groove b on the cutter body, the cutter body front end is provided with two blades, the blade set up respectively in breach a above chip removal groove a and the breach b below chip removal groove b, the step of cutter body surface link through the inclined plane, the angle of inclination α of inclined plane is 135, chip removal groove a upwards inclines along the horizontal direction, chip removal groove b inclines down along the horizontal direction, the angle of inclination all sets up to β and is 15, the blade is connected fixedly with the cutter body through the welding, the blade front end sets up to the trapezium, chip removal groove a, chip removal groove b all set up to the U-shaped.

Description

Jacking knife structure

Technical Field

The utility model relates to a field of aluminum product processing especially relates to a jacking sword structure.

Background

In the field of mechanical processing, the situation that the size of a raw material is greatly different from that of a product and a large-size raw material has to be used frequently occurs, for example, stepped circular shaft processing is adopted, and in the prior art, redundant materials at a small-diameter end are removed in a cutting processing mode; particularly, for processing aluminum workpieces, the aluminum materials are high in price, and the processing mode has the defects of serious waste of raw materials, long processing time and high cost.

Disclosure of Invention

The utility model aims at providing a structure of jacking sword, simple structure, material saving, reduce cost has solved above technical problem.

In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a jacking knife structure comprises a knife handle and a knife body; the method is characterized in that: the cutter body is a hollow cylinder, and the outer surface of the cutter body is provided with steps to form a convex shape; the cutter body is provided with a chip removing groove a and a chip removing groove b, and the front end of the cutter body is provided with two blades; the blades are respectively arranged in a notch a above the chip removing groove a and a notch b below the chip removing groove b; the blade is respectively arranged in parallel with the chip groove a and the chip removing groove b.

Preferably, the steps on the outer surface of the cutter body are connected through inclined planes, and the inclination angle of the inclined planes is set to α to be 135 degrees.

Preferably, the chip removing grooves a are inclined upwards along the horizontal direction, the chip removing grooves b are inclined downwards along the horizontal direction, and the inclination angles are set to β to be 15 degrees.

Preferably: the blade is connected and fixed with the cutter body through welding.

Preferably: the front end of the blade is trapezoidal.

Preferably: the chip removing groove a and the chip removing groove b are both U-shaped.

The utility model has the advantages that; a trepanning cutter structure is characterized in that a cutter body is a hollow cylinder, and two blades are arranged at the front end of the cutter body; the redundant materials are conveniently removed integrally and reused, so that the materials are saved; the cutter body is provided with a chip removing groove a and a chip removing groove b, the chip removing groove a inclines upwards along the horizontal direction, and the chip removing groove b inclines downwards along the horizontal direction, so that the nesting cutter and the workpiece are effectively prevented from being blocked and damaged by aluminum chips; the chip removing groove is U-shaped, the inclination angle is 15 degrees, and aluminum chips can be conveniently discharged; the front end of the blade is trapezoidal, so that the strength of the blade is enhanced, and the blade is connected and fixed with the cutter body through welding, so that the structural stability of the blade is enhanced; the utility model discloses simple structure, stability is good, long service life, safe and reliable can cut apart clout whole, effective material saving, greatly reduced manufacturing cost has obtained extensive application in the processing of ladder axle class part.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the present invention in fig. 1;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of the blade of FIG. 1 in the direction B according to the present invention;

in the figure: 1. a knife handle; 2. a cutter body; 3. a chip groove a; 4. a chip groove b; 5. a blade; 6. a notch a; 7. a notch b; 8. a bevel.

Detailed Description

In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;

in the drawings: a jacking knife structure comprises a knife handle 1 and a knife body 2; the method is characterized in that: the cutter body 2 is a hollow cylinder, and the outer surface of the cutter body is provided with steps to form a convex shape; the cutter body 2 is provided with a chip removing groove a3 and a chip removing groove b4, and the front end of the cutter body 2 is provided with two blades 5; the blade 5 is respectively arranged in a notch a6 above a chip removing groove a3 and a notch b7 below a chip removing groove b 4; the blade 5 is respectively arranged in parallel with the chip groove a3 and the chip removing groove b 4.

The outer surface of the cutter body 2 is provided with steps which are connected through an inclined plane 8, the inclination angle of the inclined plane is set to be α degrees, the chip removing groove a3 inclines upwards along the horizontal direction, the chip removing groove b4 inclines downwards along the horizontal direction, the inclination angles are set to be β degrees and 15 degrees, the blade 5 is fixedly connected with the cutter body 2 through welding, the front end of the blade 5 is trapezoidal, and the chip removing groove a3 and the chip removing groove b4 are U-shaped.

The utility model discloses a concrete implementation: the handle of the nesting knife of the utility model is a Morse No. 5 taper shank, and the knife body is made of No. 45 steel, so as to ensure the hardness and strength of the nesting knife; the cutter head and the cutter body are welded by copper; the side surface of the cutter head is provided with symmetrical trapezoidal surfaces, and the inclination angle of the side edge of the cutter head is 3-5 degrees; during machining, a tool shank of the trepanning tool is fixed on a lathe tailstock, a workpiece is fixed through a chuck, the central axis of the workpiece and the central axis of the trepanning tool are on the same straight line, and the workpiece is manually fed at the speed of 200 revolutions per minute and 0.15mm per minute; the cutter body is a hollow cylinder, and the front end of the cutter body is provided with two blades; the redundant materials are conveniently removed integrally and reused, so that the materials are saved; the steps on the outer surface of the cutter body are arranged so as to facilitate radial cutting when the end surface of the excess material reaches the step surface; the cutter body is provided with a chip removing groove a and a chip removing groove b, the chip removing groove a inclines upwards along the horizontal direction, and the chip removing groove b inclines downwards along the horizontal direction, so that the nesting cutter and the workpiece are effectively prevented from being blocked and damaged by aluminum chips; the chip removing groove is U-shaped, the inclination angle is 15 degrees, and aluminum chips can be conveniently discharged; the front end of the blade is trapezoidal, so that the strength of the blade is enhanced, and the blade is connected and fixed with the cutter body through welding, so that the structural stability of the blade is enhanced; the utility model discloses simple structure, stability is good, long service life, safe and reliable can cut apart clout whole, effective material saving, greatly reduced manufacturing cost has obtained extensive application in the processing of ladder axle class part.

The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.

Claims

1. A nesting knife structure comprises a knife handle (1) and a knife body (2); the method is characterized in that: the cutter body (2) is a hollow cylinder, and the outer surface of the cutter body is provided with steps to form a convex shape; the cutter body (2) is provided with a chip removing groove a (3) and a chip removing groove b (4), and the front end of the cutter body (2) is provided with two blades (5); the blades (5) are respectively arranged in a notch a (6) above the chip removing groove a (3) and a notch b (7) below the chip removing groove b (4); the blade (5) is respectively arranged in parallel with the chip groove a (3) and the chip removing groove b (4).

2. The trepanning knife structure according to claim 1, characterized in that the steps on the outer surface of the knife body (2) are connected by a bevel (8), the bevel having an inclination angle set to α degrees of 135 degrees.

3. The trepanning knife structure according to claim 1, characterized in that the chip removing grooves a (3) are inclined upwards along the horizontal direction, the chip removing grooves b (4) are inclined downwards along the horizontal direction, and the inclination angles are set to β degrees and are 15 degrees respectively.

4. A trepanning knife structure according to claim 1, characterized in that: the blade (5) is connected and fixed with the cutter body (2) through welding.

5. A trepanning knife structure according to claim 1, characterized in that: the front end of the blade (5) is trapezoidal.

6. A trepanning knife structure according to claim 1, characterized in that: the chip removing grooves a (3) and b (4) are both U-shaped.