CN213052926U

CN213052926U - Corn milling cutter

Info

Publication number: CN213052926U
Application number: CN202021950926.4U
Authority: CN
Inventors: 李响
Original assignee: Shenzhen Zhangyuan Precision Tool Technology Co Ltd
Current assignee: Shenzhen Zhangyuan Precision Tool Technology Co Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-27
Anticipated expiration: 2030-09-09

Abstract

A corn milling cutter comprises a cutter body, wherein a first cutter body and a second cutter body are arranged on the cutter body from top to bottom, the top of the first cutter body is provided with an installation fixing piece, two sides of the installation fixing piece are provided with inner notches, the first cutter body is provided with 4 chip grooves and 4 cutting cutter bodies, the cutting cutter bodies are provided with square cutter blade grooves, a square blade is arranged in the blade groove, a fixing through hole is arranged in the middle of the square blade and penetrates through the square single blade and the cutting knife body, the bottom of the first cutter body is connected with the second cutter body, the top of the second cutter body is provided with a ladder-shaped fixing piece, the bottom of the second cutter body is provided with the ladder-shaped fixing groove, the utility model has the advantages that the disassembly is convenient when in use, the first cutter body and the second cutter body are more perfect in stress structure, and production cost is better saved.

Description

Corn milling cutter

Technical Field

The utility model relates to a machine tool machining technical field especially relates to a maize milling cutter.

Background

The traditional milling cutter mainly comprises a square shoulder milling cutter and a cavity milling cutter, the milling cutter has large cutting resistance and is not suitable for heavy cutting, and once the traditional milling cutter is damaged and scrapped, the cost of the cutter is very high, the replacement of the milling cutter is very troublesome, so that the production efficiency is low.

The machine tool machining technology field rapid development of present market, the processing technology is constantly advanced, but partial milling cutter still has the flaw, the atress structure is not perfect enough, when the cutting resistance is too big, traditional blade is fragile, some milling cutter is carrying out machine tool machining in addition, because the depth of processing is too dark, the yardstick is great, single milling cutter's length is not enough, need make up a tool bit to increase the length of cutter, but partial tool bit and the connected mode of cutter have the flaw, connect fastening inadequately, when the machine tool rotates, the power that cutter and tool bit connected position produced is too concentrated, lead to tool bit and cutter connecting portion to have the hidden danger, need strengthen the structural strength of connected position, disperse the effort of tool bit and cutter connected position simultaneously.

SUMMERY OF THE UTILITY MODEL

To the technical defect who exists in the background art, the utility model provides a maize milling cutter has solved above-mentioned technical problem and has satisfied actual demand, and concrete technical scheme is as follows:

the utility model provides a corn milling cutter, includes the cutter main part, the cutter main part from the top down is equipped with first cutter body and second cutter body, the top of first cutter body is equipped with the installation firmware, the both sides of installation firmware are equipped with interior notch, first cutter body is equipped with 4 chip grooves and 4 cutting cutter bodies, be equipped with square blade groove on the cutting cutter body, the blade inslot is equipped with square blade, square blade's middle part is equipped with fixing hole, fixing hole runs through square monolithic with the cutting cutter body, the bottom of first cutter body is connected the second cutter body, the top of second cutter body is equipped with the echelonment mounting, the bottom of second cutter body is equipped with the echelonment fixed slot.

As an improvement of the above scheme, a first through hole penetrating from top to bottom is formed in the middle of the first cutter body, threads are formed at the bottom of the first through hole of the first cutter body, a second through hole corresponding to the first through hole of the first cutter body is formed in the middle of the second cutter body, and a hollow straight screw is arranged in the second through hole.

As an improvement of the above scheme, the top of the second cutter body is provided with 4 stepped fixing members, the bottom of the cutting cutter body is provided with stepped fixing grooves, and the stepped fixing members are fixed in the stepped fixing grooves.

As an improvement of the scheme, the diameters of the first cutter body and the second cutter body are consistent, and the cutting cutter body and the chip grooves are spirally distributed.

As an improvement of the scheme, the cutting cutter body is provided with a cutting surface, blade grooves are distributed on the cutting surface in a stepped mode, and steps among the square blades are controlled within 0.15.

As an improvement of the above scheme, a spiral cooling pipe penetrating through the cutting blade body from top to bottom is arranged inside the cutting blade body, a cutting back surface is arranged at the other end of the cutting blade body corresponding to the cutting surface, and a cooling water hole is arranged on the cutting back surface corresponding to the square blade and connected to the cooling pipe.

The utility model has the advantages of that: the utility model discloses when using, be equipped with square blade on the cutting face, square blade is for current partial triangle-shaped blade, square blade with the area of contact of cutting face is bigger, and area of contact can make greatly the effort that square blade received is more dispersed, and the atress structure is better, first cutter body with be equipped with the screw thread between the second cutter body, then pass through the inside hollow word screwed connection of second cutter body is fixed, makes first cutter body with connect inseparabler between the second cutter body, the top of second cutter body is equipped with the echelonment mounting, and it is fixed in 4 to correspond in the echelonment fixed slot of the bottom of cutting cutter body, the echelonment mounting has dispersed first cutter body with the second cutter body is the power that the position produced when using, makes first cutter body with the power that the position of connection between the second cutter body rotates the production passes through the echelonment mounting transmits to the power that the echelonment mounting produced Inside the first blade, the atress structure is more perfect, can bear bigger torsional force.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a bottom view of the second blade of the present invention.

Fig. 3 is a bottom view of the first blade body of the present invention.

Wherein: the cutting tool comprises a tool body 1, a first tool body 2, a stepped fixing groove 201, a first through hole 202, a thread 203, a second tool body 3, a stepped fixing piece 301, a second through hole 302, a hollow straight nut 303, a mounting fixing piece 4, a notch 5, a chip groove 6, a cutting tool body 7, a cutting surface 701, a cooling pipeline 702, a cutting back surface 703, a cooling water hole 704, a tool groove 8, a square tool blade 9 and a fixing through hole 10.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.

In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

As shown in fig. 1, 2 and 3, the corn milling cutter comprises a cutter body 1, wherein the cutter body 1 is provided with a first cutter body 2 and a second cutter body 3 from top to bottom, a mounting fixture 4 is arranged at the top of the first cutter body 2, inner notches 5 are arranged on two sides of the mounting fixture, the first cutter body 2 is provided with 4

chip discharge grooves

6 and 4 cutter bodies 7, a square blade groove 8 is formed in each cutter body 7, a square blade 9 is arranged in each blade groove 8, a fixing through hole 10 is formed in the middle of each square blade 9, each fixing through hole 10 penetrates through each square blade 9 and each cutter body 7, the bottom of the first cutter body 2 is connected with the second cutter body 3, a stepped fixing piece 301 is arranged at the top of the second cutter body 3, and a stepped fixing groove 201 is formed in the bottom of the first cutter body 2.

As shown in fig. 2 and 3, in the above solution, a first through hole 202 is formed in the middle of the first cutter body 2 and penetrates from top to bottom, a thread 203 is formed at the bottom of the first through hole 202 of the first cutter body 2, a second through hole 302 corresponding to the first through hole 202 of the first cutter body 2 is formed in the middle of the second cutter body 3, and a hollow nut 303 is formed in the second through hole 302 and connects and fixes the first cutter body 2 and the second cutter body 3.

As shown in fig. 1, in the above solution, 4 stepped fixing members 301 are provided at the top of the second cutter body 3, a stepped fixing groove 201 is provided at the bottom of the cutting cutter body 7, and the 4 stepped fixing members 301 are fixed in the stepped fixing groove 201 in a cross shape.

Further, in the above solution, as shown in fig. 2 and 3, the diameters of the first tool body 2 and the second tool body 2 are the same, and the cutting tool body 7 and the chip grooves 6 are spirally distributed.

As shown in fig. 1, in the above solution, the cutting blade body 7 is provided with a cutting surface 701, the cutting surface 701 is provided with blade grooves 8 in a stepped distribution, and the step between the square blades 9 is controlled within 0.15, so that the stress is more balanced.

As shown in fig. 2 and 3, in the above-described embodiment, a spiral cooling duct 702 penetrating the cutting blade body 7 from top to bottom is provided inside the cutting blade body 7, a cutting back surface 703 is provided at the other end of the cutting blade body 7 corresponding to the cutting surface 701, a cooling water hole 704 is provided at a position corresponding to the square insert 9 on the cutting back surface 703, and the cooling water hole 704 is connected to the cooling duct 702, so that the temperature can be further reduced during machining.

As shown in fig. 2 and 3, the utility model discloses when using, the position that first through-hole 201 in the first cutter body 2 and second through-hole 302 in the second cutter body 3 are connected all is equipped with screw thread 203, through inside the second cutter body 3 the hollow straight nut 303 is from up connecting fixed down, can make first cutter body 2 with the connection between the second cutter body 3 is more firm, the convenient dismantlement of hollow straight nut 303, and the cutting pressure can be released to inside cavity simultaneously.

As shown in fig. 1, the utility model discloses when using, the top of second cutter body 2 is equipped with echelonment mounting 301, echelonment mounting 301 corresponds to be fixed in the echelonment fixed slot 201 of the bottom of cutting cutter body 7, echelonment mounting 301 has dispersed the torsional force that first cutter body 2 with second cutter body 3 connection site produced when rotating, makes first cutter body 2 with the power that connection site rotation between the second cutter body 3 produced can not be used in a plane, through echelonment mounting 301 transmits the inside of first cutter body 2, the atress structure is more perfect, can bear bigger torsional force.

As shown in fig. 1, the utility model discloses when using, be equipped with square blade 9 on the cutting face 701, square blade 9 is for current partial triangle-shaped blade, square blade 9 with the area of contact of cutting face 701 is bigger, and area of contact can make greatly the effort that square blade 9 received is more dispersed, can not too concentrate, just can not lead to cutting cutter body 7 bursts apart, makes cutter main part 1 atress structure is better, fall value control between the square blade is within 0.15, and cutting process's effect is better, and is single simultaneously square blade 9 produces the case of damaging, directly change square blade 9 can, need not change whole cutter, has saved manufacturing cost.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A corn milling cutter comprises a cutter body (1), and is characterized in that the cutter body (1) is provided with a first cutter body (2) and a second cutter body (3) from top to bottom, the top of the first cutter body (2) is provided with an installation fixing piece (4), two sides of the installation fixing piece are provided with inner notches (5), the first cutter body (2) is provided with 4 chip grooves (6) and 4 cutting cutter bodies (7), the cutting cutter body (7) is provided with a square blade groove (8), a square blade (9) is arranged in the blade groove (8), the middle of the square blade (9) is provided with a fixing through hole (10), the fixing through hole (10) penetrates through the square blade (9) and the cutting cutter body (7), the bottom of the first cutter body (2) is connected with the second cutter body (3), the top of the second cutter body (3) is provided with a ladder-shaped fixing piece (301), the bottom of the first cutter body (2) is provided with a step-shaped fixing groove (201).

2. The corn milling cutter as claimed in claim 1, wherein the first cutter body (2) is provided with a first through hole (202) penetrating from top to bottom in the middle, the first through hole (202) of the first cutter body (2) is provided with a thread (203) at the bottom, the second cutter body (3) is provided with a second through hole (302) corresponding to the first through hole (202) of the first cutter body (2) in the middle, and a hollow straight nut (303) is arranged in the second through hole (302).

3. The corn milling cutter as claimed in claim 1, wherein the top of the second cutter body (3) is provided with 4 stepped fixing members (301), the bottom of the cutting cutter body (7) is provided with stepped fixing grooves (201), and the stepped fixing members (301) are fixed in the stepped fixing grooves (201).

4. The corn milling cutter as claimed in claim 1, characterized in that the diameters of the first (2) and second (3) cutter body are of uniform size, the cutting cutter body (7) and the flutes (6) each being helically distributed.

5. The corn milling cutter as claimed in claim 1, characterized in that the cutting body (7) is provided with a cutting face (701), the cutting face (701) is provided with blade grooves (8) in a stepped distribution, and the steps between the square blades (9) are controlled within 0.15.

6. The corn milling cutter as claimed in claim 1, wherein the cutting cutter body (7) is internally provided with a spiral cooling pipe (702) penetrating the cutting cutter body (7) from top to bottom, the other end of the cutting cutter body (7) corresponding to the cutting surface (701) is provided with a cutting back surface (703), the cutting back surface (703) is provided with a cooling water hole (704) corresponding to the square blade (9), and the cooling water hole (704) is connected to the cooling pipe (702).