CN214081927U - Milling cutter with mixed helical angle - Google Patents

Abstract

The utility model discloses a milling cutter with mix helical angle, including handle of a knife and tool bit, the top fixedly connected with tool bit of handle of a knife, and the surface of tool bit is equipped with the helicla flute to the upper and lower both sides of helicla flute are equipped with rather than revolving to the same cutting edge, the chip breaker groove has been seted up along its axial in the surface of tool bit, the bottom surface of tool bit has cup jointed the cover and has connect the dish, the top of tool bit is equipped with face milling cutter. The utility model discloses a be provided with face milling cutter, when needs process the part surface and polish, drive the tool bit through drive machine and rotate, make face milling cutter and part surface laminate mutually, the cutting tool edge on surface through face milling cutter polishes the processing to the part surface, operates through a spending cutting edge high speed simultaneously, can accelerate the cutting speed, through the high-speed operation of cutting edge, can carry out the processing of polishing of vertical direction to the part to the availability factor of tool bit has been improved.

Description

Milling cutter with mixed helical angle

Technical Field

The utility model relates to a machinery production processing technology field specifically is a milling cutter with mix helical angle.

Background

A wood milling cutter is a common cutter for processing wood plates. The existing woodworking milling cutter is generally provided with a spiral cutting edge along the axial direction on the outer surface of the cutter so as to achieve the purpose of cutting, most of the existing woodworking milling cutters are cylindrical, only one cutting edge is arranged, end face cutting and vertical cutting are not simultaneously carried out, the application range is small, milling cutter heads with different cutting edges need to be replaced aiming at different processing, and the working efficiency is greatly reduced.

When the existing milling cutter splashes the chips generated during the process of processing the workpiece from the processing position, no object is used for blocking, and further injury can be caused to the body of a worker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a milling cutter with mix helical angle to solve the current milling cutter for processing that proposes in the above-mentioned background art most of for cylindrical, and only a cutting blade, do not have simultaneously to facing head cutting and vertical cut, application scope is less, need change the milling cutter head of different blades to different processing, greatly reduced work efficiency.

When the scraps produced during the processing of the workpiece are splashed from the processing position, the existing milling cutter has no object to block, and then the injury can be caused to the body of a worker.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a milling cutter with mix helix angle, includes handle of a knife and tool bit, the top fixedly connected with tool bit of handle of a knife, and the surface of tool bit is equipped with the helicla flute to the upper and lower both sides of helicla flute are equipped with rather than turning to the same cutting edge, the chip-breaker groove has been seted up along its axial in the surface of tool bit, the bottom surface of tool bit has cup jointed the dish, the top of tool bit is equipped with face milling cutter, and face milling cutter's tip sets up the chip groove of following the axial decurrent extension.

Preferably, the inner wall of one end, far away from the tool bit, of the tool holder is provided with a thread groove.

Preferably, the thickness of the tool tip is set to 1.5cm, and the inner wall of the tool tip is plated with a layer of penta-tantalum-hafnium carbide.

Preferably, the surface of the sleeve connecting disc is fixedly connected with a sleeve, an inserting cylinder is inserted into the sleeve, and the sleeve and the inserting cylinder form sliding connection.

Preferably, the end face of the face milling cutter is provided with a first overhead cutting edge, the height of the first overhead cutting edge is 2cm, the angle of the first overhead cutting edge is 25-30 degrees, the surface of one end, close to the first overhead cutting edge, of the face milling cutter is provided with a second overhead cutting edge, the height of the second overhead cutting edge is 1.5cm, and the angle of the second overhead cutting edge is 15-20 degrees.

Preferably, the fixed surface of the sleeve connecting disc is connected with a sleeve, the inner wall of the sleeve is welded with a spring, one end, far away from the inner wall of the sleeve, of the spring is welded at the bottom end of the inserting cylinder, and the spring is provided with two groups.

Preferably, the inner wall of the tool bit is engaged with a layer plated with penta-tantalum-hafnium-carbide, the thickness of the penta-tantalum-hafnium-carbide layer is set to be 1cm, and the inner wall of one end of the penta-tantalum-hafnium-carbide layer, which is far away from the tool bit, is pressed with a medium carbon steel layer.

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

1. the utility model discloses a be provided with face milling cutter, when needs process the part surface and polish, drive the tool bit through drive machine and rotate, make face milling cutter and part surface laminate mutually, the cutting tool edge on surface through face milling cutter polishes the processing to the part surface, operates through a spending cutting edge high speed simultaneously, can accelerate the cutting speed, through the high-speed operation of cutting edge, can carry out the processing of polishing of vertical direction to the part to the availability factor of tool bit has been improved.

2. The utility model discloses a be provided with the chip breaker, stagger mutually and spaced apart the axial surface of establishing at the tool bit through the chip breaker, add man-hour to the part when the high-speed operation of tool bit, cut off the saw-dust through the staggered state of chip breaker, further reduced the cutting resistance, improved cutting surface's precision, the section of thick bamboo of inserting on tool bit surface is flexible removal about the sleeve is inside through the cover simultaneously, can block the piece that the cutting edge produced, prevents that the piece from sputtering and causing the injury to the staff.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

fig. 2 is a schematic front sectional view of the sleeve structure of the present invention;

FIG. 3 is a schematic view of the structure of the knife handle of the present invention;

fig. 4 is a schematic top view of the face milling cutter structure of the present invention;

fig. 5 is a schematic view of the internal section of the tool bit structure of the present invention.

In the figure: 1. a knife handle; 2. a cutter head; 3. a helical groove; 4. a cutting blade; 5. a chip breaker groove; 6. sleeving a connecting disc; 7. a face milling cutter; 8. a first overhead blade; 9. a second overhead blade; 10. a chip slipping groove; 11. a sleeve; 12. inserting a cylinder; 13. a layer of tantalum hafnium pentacarbide; 14. a medium carbon steel layer; 15. a spring.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a milling cutter with mix helical angle, includes handle of a knife 1 and tool bit 2, the top fixedly connected with tool bit 2 of handle of a knife 1, and the one end inner wall that tool bit 2 was kept away from to handle of a knife 1 is provided with the thread groove, through the screw hole and the driving piece phase-match of the 1 inner wall setting of handle of a knife, the dismouting of the tool bit 2 of being convenient for and driving piece is changed.

The thickness of tool bit 2 sets up to 1.5cm to the inner wall of tool bit 2 is electroplated with four tantalum hafnium pentacarbide layer 13, and is the martensite steel matter through tool bit 2 and constitutes, according to the firm high strength's of martensite characteristic, can increase the intensity of tool bit 2, prevents that tool bit 2 from causing surface wear easily to the part course of working, improves the wearability of tool bit 2, thereby can prolong the life of tool bit 2.

The inner wall electroplating of tool bit 2 has penta tantalum hafnium carbide layer 13, and the thickness of penta tantalum hafnium carbide layer 13 sets up to 1cm, and the one end inner wall pressfitting that tool bit 2 was kept away from to penta tantalum hafnium carbide layer 13 has well carbon steel layer 14, have high temperature resistance's characteristic through penta tantalum hafnium carbide layer 13, can prevent that the high temperature that 2 high-speed operations of tool bit produced from leading to the fact the damage to milling cutter, have the characteristic of certain intensity and certain toughness through well carbon steel layer 14, under 2 high-strength work of tool bit, can not make tool bit 2 fracture easily, only can take place slight slope bending, it brings danger to the staff to break off in preventing 2 working process of tool bit.

The surface of tool bit 2 is equipped with helicla flute 3, and the upper and lower both sides of helicla flute 3 are equipped with rather than turning to the same cutting blade 4, chip breaker groove 5 has been seted up along its axial in the surface of tool bit 2, cup jointing dish 6 has been cup jointed to the bottom surface of tool bit 2, the fixed surface who cup joints dish 6 is connected with sleeve 11, and sleeve 11's inside is inserted and is equipped with and inserts a section of thick bamboo 12, sleeve 11 with insert a section of thick bamboo 12 and constitute sliding connection, when polishing mechanical parts perpendicularly through cutting blade 4, make and insert a section of thick bamboo 12 at the inside flexible removal of sleeve 11, prevent the piece sputtering in the course of working, cause the injury to the staff.

The fixed surface of cup jointing dish 6 is connected with sleeve 11, and the inner wall welding of sleeve 11 has spring 15 to spring 15 is kept away from the one end welding of sleeve 11 inner wall and is inserted a 12 bottom, and spring 15 is provided with two sets ofly, under spring 15's elastic force effect, can realize inserting a 12 and inside flexible the removal of sleeve 11.

The top of tool bit 2 is equipped with face milling cutter 7, and face milling cutter 7's tip is seted up along the downward extension of axial chip groove 10, face milling cutter 7's terminal surface is equipped with first spending cutting edge 8, and the height of first spending cutting edge 8 is provided with 2cm, and the angle of first spending cutting edge 8 is 25 ~ 30, face milling cutter 7 is close to the one end surface of first spending cutting edge 8 and is equipped with second spending cutting edge 9, and the height of second spending cutting edge 9 sets up to 1.5cm, and the angle spring 15 ~ 20 of second spending cutting edge 9, through being provided with first spending cutting edge 8 and second spending cutting edge 9 at face milling cutter 7's terminal surface, can improve face milling cutter 7's cutting speed and cutting accuracy.

The working principle is as follows: when the staff is using, through the output phase-match with the screw thread that 1 inner wall of handle of a knife set up and driving piece, be convenient for install fast between tool bit 2 and the driving piece and be connected, when needs carry out terminal surface machining to mechanical parts and polish, through making first spending cutting edge 8 and part terminal surface contact, can accelerate face milling cutter 7's cutting speed, through the cutting edge on face milling cutter 7 surface, can polish the part terminal surface, through set up smooth chip groove 10 around face milling cutter 7, can make the piece that the cutting produced discharge along same direction.

When the processing of vertical direction is polished to the part to needs, under the high-speed operation of tool bit 2, make cutting edge 4 cut the part face, discharge the piece through helicla flute 3, stagger mutually and interval arrangement according to seting up on tool bit 2 surface simultaneously, can reduce the cutting resistance, the precision of cutting surface has been improved, when tool bit 2 at the during operation, under the spring action of spring 15, can make the state of polishing that inserts a section of thick bamboo 12 and follow tool bit 2 reciprocate inside sleeve 11, prevent the piece sputter that produces in the processing, thereby guarantee staff's safety.

Constitute for the martensite steel through tool bit 2, can increase tool bit 2's intensity, improve tool bit 2's wearability in the course of the work, it has penta tantalum hafnium layer 13 to electroplate through 2 inner walls of tool bit, according to the characteristics of penta tantalum hafnium layer 13 high temperature resistance, can prevent that the high temperature that tool bit 2 high-speed operation produced from leading to the fact the damage to milling cutter, there is well carbon steel layer 14 through well carbon steel layer 14 inner wall pressfitting, it has certain toughness and intensity to have according to well carbon steel layer 14, can not lead to well carbon steel layer 14 fracture, under the operating condition of 2 high strength of tool bit, prevent that tool bit 2 from fracturing, bring the potential safety hazard for the staff, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A milling cutter with mixed helix angles, comprising a shank (1) and a cutter head (2), characterized in that: the top fixedly connected with tool bit (2) of handle of a knife (1), and the surface of tool bit (2) is equipped with helicla flute (3) to the upper and lower both sides of helicla flute (3) are equipped with rather than turning to the same cutting edge (4), chip-breaker groove (5) have been seted up along its axial in the surface of tool bit (2), the bottom surface of tool bit (2) has cup jointed dish (6), the top of tool bit (2) is equipped with face milling cutter (7), and the tip of face milling cutter (7) is seted up along the downward chute (10) of extension of axial.

2. A milling cutter with mixed helix angles according to claim 1, wherein: the inner wall of one end, far away from the tool bit (2), of the tool shank (1) is provided with a thread groove.

3. A milling cutter with mixed helix angles according to claim 1, wherein: the thickness of the cutting head (2) is set to 1.5cm, and the inner wall of the cutting head (2) is plated with a penta-tantalum-hafnium carbide layer (13).

4. A milling cutter with mixed helix angles according to claim 1, wherein: the surface of the sleeve joint disc (6) is fixedly connected with a sleeve (11), an inserting cylinder (12) is inserted into the sleeve (11), and the sleeve (11) and the inserting cylinder (12) form sliding connection.

5. A milling cutter with mixed helix angles according to claim 1, wherein: the end face of the face milling cutter (7) is provided with a first overhead cutting edge (8), the height of the first overhead cutting edge (8) is 2cm, the angle of the first overhead cutting edge (8) ranges from 25 degrees to 30 degrees, a second overhead cutting edge (9) is arranged on the surface, close to the first overhead cutting edge (8), of the face milling cutter (7), the height of the second overhead cutting edge (9) is set to be 1.5cm, and the angle of the second overhead cutting edge (9) ranges from 15 degrees to 20 degrees.

6. A milling cutter with mixed helix angles according to claim 1, wherein: the fixed surface of cup jointing dish (6) is connected with sleeve (11), and the inner wall welding of sleeve (11) has spring (15) to the one end welding that sleeve (11) inner wall was kept away from in spring (15) is in the bottom of inserting a section of thick bamboo (12), spring (15) are provided with two sets ofly.

7. A milling cutter with mixed helix angles according to claim 1, wherein: the inner wall of the tool bit (2) is electroplated with a penta-tantalum hafnium carbide layer (13), the thickness of the penta-tantalum hafnium carbide layer (13) is set to be 1cm, and a medium carbon steel layer (14) is pressed on the inner wall of one end, away from the tool bit (2), of the penta-tantalum hafnium carbide layer (13).

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