CN217142469U

CN217142469U - Wear-resisting PCD oppression formula milling cutter

Info

Publication number: CN217142469U
Application number: CN202123079257.5U
Authority: CN
Inventors: 李明珠
Original assignee: Suzhou Gurui Alloy Products Co ltd
Current assignee: Suzhou Gurui Alloy Products Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-08-09
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a wear-resisting PCD oppression formula milling cutter, including the hilt, the below of hilt is provided with the tool bit just the upper end of tool bit is equipped with the cylinder that the diameter is less than the tool bit, cylindrical upper end axle center department is fixed with square type piece just locating component is installed to the inner chamber of square type piece, the upper end of square type piece is equipped with in the hilt and is pegged graft rather than the chamber that holds of looks adaptation. A wear-resisting PCD oppression formula milling cutter, this milling cutter's tool bit is made by the tungsten steel alloy and has good wearability, and two spiral cutter bodies of its tool bit structure can form the rotatory cutting of oppression formula, improve the cutting quality of product, milling cutter's handle of a knife and tool bit can dismantle the setting, be provided with square type piece and locating component on its tool bit, accessible locating component realizes the quick assembly disassembly of tool bit and handle of a knife, and convenient operation is simple, is provided with the guide block, the quick grafting of square type piece of being convenient for and handle of a knife, further improves the installation effectiveness.

Description

Wear-resisting PCD oppression formula milling cutter

Technical Field

The utility model relates to a milling machine processing equipment field, in particular to wear-resisting PCD oppression formula milling cutter.

Background

A milling cutter is a rotating tool with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.

At present, the conventional end mill for processing composite materials is easy to vibrate during processing to cause burrs of the cut composite materials, the composite materials are expanded and layered under the action of cutting force to easily cause cutter damage and scrap processed workpieces, and the existing milling cutter is poor in wear resistance, so that the problem is solved by the wear-resistant PCD compression type milling cutter.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a wear-resisting PCD oppression formula milling cutter can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wear-resistant PCD compression type milling cutter comprises a cutter handle, a cutter head is arranged below the cutter handle, a cylinder with the diameter smaller than that of the cutter head is arranged at the upper end of the cutter head, a square block is fixed at the axis of the upper end of the cylinder, a positioning component is arranged in the inner cavity of the square block, the upper end of the square block is inserted with a containing cavity which is arranged in the hilt and is matched with the upper end of the square block, the output end of the positioning component is inserted with a positioning groove which is arranged on the inner wall of the containing cavity, the spiral cutter body that is provided with twice levogyration on the tool bit and dextrorotation, two sets of the spiral cutter body back is even is equipped with the heliciform back of carving of multichannel, forms spiral helicine chip groove between two spiral cutter bodies, and the front end sword of two spiral cutter bodies that are located the tool bit foremost intersects and forms milling cutter end sword, and spiral cutter body front end comprises cambered surface and inclined plane, and the cambered surface is the chisel edge with the inclined plane department of meeting, and all edges are the cutting edge.

Preferably, the positioning assembly comprises a square supporting block, the axis of the square supporting block and the axis of the square block are located on the same vertical line, positioning springs are fixed on four end faces of the square supporting block, one ends, far away from the square supporting block, of the four groups of positioning springs are respectively and fixedly connected with corresponding positioning columns, one ends, far away from the corresponding positioning springs, of the four groups of positioning columns penetrate through the square block, and the end parts, located outside the square block, of the four groups of positioning columns are all arranged in an arc shape.

Preferably, the positioning spring is made of a metal material, and a zinc coating is arranged on the outer wall of the positioning spring.

Preferably, the upper end of the square block is fixed with a guide block, the guide block is of a quadrangular frustum pyramid structure, and the square surface of the lower end of the guide block is overlapped with the upper end face of the square block.

Preferably, a plurality of groups of friction convex rings are arranged on the outer wall of the cylinder and are vertically and uniformly arranged at equal intervals.

Preferably, the diameter of the friction convex ring is smaller than that of the cutter head.

Compared with the prior art, the invention has the following beneficial effects:

1. the milling cutter has the advantages that the cutter head is made of tungsten steel alloy, the abrasion resistance is good, the two spiral cutter bodies of the cutter head structure can form compression type rotary cutting, the cutter head is not easy to damage, and the cutting quality of products is improved.

2. This wear-resisting oppression formula milling cutter's hilt and tool bit can dismantle the setting, is provided with square type piece and locating component on its tool bit, and the accessible locating component realizes the quick assembly disassembly of tool bit and hilt, and convenient operation is simple.

3. The upper end of the square block is provided with a guide block which has a guide function and is convenient for the quick insertion of the square block and the knife handle, thereby further improving the installation efficiency.

4. The outer wall of the column is provided with a plurality of groups of friction convex rings, the diameter of each friction convex ring is smaller than that of the cutter head, and the anti-skidding function is well achieved and the blocking influence on the milling cutter is avoided.

Drawings

Fig. 1 is an overall structure diagram of a wear-resistant PCD compression type milling cutter of the present invention;

fig. 2 is a schematic view of a tool bit structure of the wear-resistant PCD compression type milling cutter of the present invention;

fig. 3 is an internal structure view of a square block of the wear-resistant PCD compression type milling cutter of the present invention;

fig. 4 is a sectional view of a handle of the wear-resistant PCD compression type milling cutter of the present invention.

In the figure: 1. a hilt; 2. a cutter head; 21. a helical cutter body; 22. back carving; 23. a chip removal groove; 24. a front end blade; 25. a chisel edge; 3. a cylinder; 4. a square block; 5. a friction convex ring; 6. a guide block; 7. a positioning assembly; 71. a square supporting block; 72. a positioning spring; 73. a positioning column; 8. an accommodating chamber; 9. a positioning groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a wear-resistant PCD compression type milling cutter comprises a cutter handle 1, a cutter head 2 is arranged below the cutter handle 1, a cylinder 3 with a diameter smaller than that of the cutter head 2 is arranged at the upper end of the cutter handle 2, a square block 4 is fixed at the upper end axis of the cylinder 3, a positioning component 7 is arranged in the inner cavity of the square block 4, the upper end of the square block 4 is inserted into a containing cavity 8 which is arranged in the cutter handle 1 and is matched with the upper end of the square block, the output end of the positioning component 7 is inserted into a positioning groove 9 which is arranged on the inner wall of the containing cavity 8, two left-handed and right-handed helical cutter bodies 21 are arranged on the cutter head 2, a plurality of helical cutting backs 22 are uniformly arranged on the back surfaces of the two helical cutter bodies 21, a helical chip-withdrawing groove 23 is formed between the two helical cutter bodies 21, front end blades 24 of the two helical cutter bodies 21 which are positioned at the foremost end of the cutter head are intersected to form an end blade, and the front ends of the helical cutter bodies 21 are respectively formed by a cambered surface and a bevel, the department that the cambered surface meets with the inclined plane is chisel edge 25, all edges are the cutting edge, the more thorough of cutting when the cutting, highly rotatory twolip oppression formula end mill will cut equally divide to each cutting edge, make the cutting force who receives balanced, be difficult for arousing vibrations, avoid producing the deformation or vibrations arouse because of cutter body blade local atress is too big and produce the layering by the cutting material, the chisel edge can assist cutting end edge cutting residual burr after the cutting when milling cutter is rotatory, and finally cut off the burr totally, make final cutting process accomplish back combined material's surface quality high.

The positioning assembly 7 comprises a square supporting block 71, the axis of the square supporting block 71 and the axis of the square block 4 are located on the same vertical line, four end faces of the square supporting block 71 are respectively fixed with a positioning spring 72, one end of each of four groups of positioning springs 72 far away from the square supporting block 71 is respectively fixedly connected with a corresponding positioning column 73, one end of each of four groups of positioning columns 73 far away from the corresponding positioning spring 72 penetrates through the square block 4, the end parts of the four groups of positioning columns 73 located outside the square block 4 are all arranged in an arc shape, when the cutter head 2 is replaced, the side wall of the cylinder 3 can be pinched by fingers and downwards exerts force, so that the positioning columns 73 do the motion of compressing the positioning springs 72 towards the inner cavity of the square block 4, the end parts of the positioning columns 73 gradually separate from the positioning grooves 9, finally the positioning columns 73 are inserted and separated from the positioning grooves 9, and the cutter head 2 can be detached from the cutter handle 1, after a new tool bit 2 is replaced, the tool bit is inserted into the tool holder 1, so that the positioning column 73 is inserted into the positioning groove 9, and the replacement operation is convenient and fast.

The positioning spring 72 is made of metal materials, and a galvanized layer is arranged on the outer wall of the positioning spring 72, so that the positioning spring 72 can be prevented from being corroded and rusted to influence the elastic effect of the positioning spring, and further the fixing effect of the cutter head 2 is influenced.

The upper end of the square block 4 is fixed with a guide block 6, the guide block 6 is of a quadrangular frustum pyramid structure, the square surface of the lower end of the guide block 6 is overlapped with the upper end face of the square block 4, the guide block 6 has a guiding effect, and the square block 4 and the knife handle 1 can be conveniently and quickly inserted, so that the installation efficiency is further improved.

Be provided with a plurality of groups friction bulge loop 5 on the outer wall of cylinder 3, a plurality of groups friction bulge loop 5 are vertical even equidistant range, and the effect of the friction between 5 increases of accessible friction bulge loop and the finger plays antiskid well.

The diameter of the friction convex ring 5 is smaller than that of the cutter head 2, so that the friction convex ring 5 can be prevented from blocking the milling cutter when the milling cutter works, and the milling cutter is prevented from being influenced.

It should be noted that, the utility model relates to a wear-resisting PCD compression type milling cutter, the tool bit 2 of the milling cutter is composed of a spiral cutter body 21, a back of the body 22, a chip-removing groove 23, a front end blade 24 and a cross blade 25, all edges are cutting edges, cutting is more thorough during cutting, the highly rotary double-blade compression type end mill equally divides cutting on each cutting edge, cutting force received is balanced, vibration is not easy to cause, deformation or vibration caused by overlarge local stress of the cutter body blade to generate layering of cut materials is avoided, the cross blade 25 can assist the cutting end blade to cut residual burrs after cutting when the milling cutter rotates, and finally the burrs are completely cut off, the surface quality of the composite material after final cutting is high, the tool bit 1 and the milling cutter 2 of the milling cutter can be detachably arranged, a square block 4 and a positioning component 7 are arranged on the tool bit 2, when the tool bit 2 is replaced, the side wall of the cylinder 3 can be held by fingers and downward force is applied, so that the positioning column 73 can gradually separate from the positioning groove 9 while the positioning column 73 moves towards the inner cavity of the square block 4 to compress the positioning spring 72, finally the positioning column 73 is inserted into and separated from the positioning groove 9, the cutter head 2 can be detached from the cutter handle 1, after a new cutter head 2 is replaced, the new cutter head 2 is inserted into the cutter handle 1 to enable the positioning column 73 to be inserted into the positioning groove 9, the replacement operation is convenient and rapid, the guide block 6 is arranged at the upper end of the square block 4 and has a guiding function, the square block 4 and the cutter handle 1 can be conveniently and rapidly inserted, the installation efficiency is further improved, a plurality of groups of friction convex rings 5 are arranged on the outer wall of the cylinder 3, the diameter of the friction convex rings is smaller than that of the cutter head 2, the anti-slip effect is good, and the blocking influence on the operation of the milling cutter is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A wear-resisting PCD oppression formula milling cutter, includes handle of a knife (1), its characterized in that: the utility model discloses a cutting tool, including sword handle (1), the below of sword handle (1) is provided with tool bit (2) and the upper end of tool bit (2) is equipped with cylinder (3) that the diameter is less than tool bit (2), the upper end axle center department of cylinder (3) is fixed with square type piece (4) and locating component (7) are installed to the inner chamber of square type piece (4), the upper end of square type piece (4) is rather than the holding chamber (8) grafting of looks adaptation that is equipped with in sword handle (1), the output of locating component (7) is pegged graft with the positioning groove (9) that is equipped with on holding chamber (8) inner wall, sword head (2) are made by the tungsten steel alloy, be provided with two spiral cutter bodies (21) of levogyration and dextrogyration on sword handle (2), two sets of spiral cutter body (21) back is even be equipped with spiral heliciform multichannel back of carving (22), forms spiral flute (23) of withdrawing between two spiral cutter bodies (21), the front end blades (24) of the two spiral cutter bodies (21) positioned at the foremost ends of the cutter heads are intersected to form a milling cutter end blade, the front ends of the spiral cutter bodies (21) are both composed of arc surfaces and inclined surfaces, the connecting parts of the arc surfaces and the inclined surfaces are cross blades (25), and all the edges are cutting edges.

2. A wear resistant PCD compression milling cutter according to claim 1, wherein: the positioning assembly (7) comprises square supporting blocks (71), the axes of the square supporting blocks (71) and the axes of the square blocks (4) are located on the same vertical line, positioning springs (72) are fixed on four end faces of each square supporting block (71), one ends, far away from the square supporting blocks (71), of the four groups of positioning springs (72) are respectively and fixedly connected with corresponding positioning columns (73), one ends, far away from the corresponding positioning springs (72), of the four groups of positioning columns (73) penetrate through the square blocks (4), and the end parts, located outside the square blocks (4), of the four groups of positioning columns (73) are all arranged in an arc shape.

3. A wear resistant PCD compression milling cutter according to claim 2, wherein: the positioning spring (72) is made of metal materials, and a zinc coating is arranged on the outer wall of the positioning spring (72).

4. A wear resistant PCD compression milling cutter according to claim 1, wherein: the square block is characterized in that a guide block (6) is fixed at the upper end of the square block (4), the guide block (6) is of a quadrangular frustum pyramid structure, and the square surface of the lower end of the guide block (6) is overlapped with the upper end face of the square block (4).

5. A wear resistant PCD compression milling cutter according to claim 1, wherein: the outer wall of the cylinder (3) is provided with a plurality of groups of friction convex rings (5), and the friction convex rings (5) are vertically, uniformly and equidistantly arranged.

6. A wear resistant PCD compression milling cutter as claimed in claim 5, wherein: the diameter of the friction convex ring (5) is smaller than that of the cutter head (2).