CN215615401U

CN215615401U - Special single-edge milling cutter for composite material processing

Info

Publication number: CN215615401U
Application number: CN202122029163.0U
Authority: CN
Inventors: 蒋如岳
Original assignee: CHANGZHOU CHUANGWEI TOOL MANUFACTURING CO LTD
Current assignee: CHANGZHOU CHUANGWEI TOOL MANUFACTURING CO LTD
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-25
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a single-edge milling cutter special for processing composite materials, which has the technical scheme key points that: including the cutter body, the cutter body top is equipped with the connector, it is fixed through the nut between cutter body and the connector, the helical angle of cutter body is-24 degrees, and the anterior angle is 28 degrees, and the relief angle is 18 degrees, a plurality of chip grooves have been seted up to the cutter body arc surface, the cutter body bottom is equipped with the cutting edge, the cutting edge adopts the design of keeping away the sky progressively, has solved current single-blade milling cutter inconvenient chip removal of appearance in the in-process that uses to the problem of disconnected sword appears easily in the long-time function, influences the problem of single-blade milling cutter's life-span, improves and optimizes through the structure to single-blade milling cutter, makes the sweeps discharge work piece that produces with processing that single-blade milling cutter's structure can be smooth, and this kind of single-blade milling cutter does not have the problem of sticking piece simultaneously, and super large anterior angle design blade is sharp, can cut off fibrous material easily, does not produce the burr.

Description

Special single-edge milling cutter for composite material processing

Technical Field

The utility model relates to the technical field of cutters, in particular to a single-edge milling cutter special for composite material machining.

Background

With the progress of science and technology, new materials are gradually applied to the field of automobiles and have profound influence on the development of the automobile industry, wherein carbon fiber composite materials are applied to high-end automobiles more and more, and the high-end automobile interior trim part has the advantages of light weight, strong shock absorption performance, firmness and attractive decoration. However, carbon fiber composite materials are difficult to process, and due to the fact that the materials are various and layered, when a conventional cutter is processed in the processing process at present, the heating value is large, the cutter is prone to tipping and large in abrasion, and therefore fiber materials are cut continuously, the materials are torn in a layered mode, burrs are more, and the service life of the cutter is extremely short.

The utility model discloses a composite material single-edge milling cutter which comprises a milling cutter, a fixed seat, a positioning strip, a limiting spring and a limiting sliding block, the fixed seat is provided with a positioning channel, the positioning strip is arranged on the fixed seat and arranged in the positioning channel, the positioning strips are arranged in an axisymmetric manner by taking the central axis of the positioning channel as an axis, the milling cutter is provided with a cutter handle, the knife handle is slidably arranged in the positioning channel, the two sides of the knife handle are symmetrically provided with positioning chutes, the positioning strips are slidably arranged in the positioning chutes, limiting grooves are symmetrically arranged on two sides of the knife handle, the limiting grooves are communicated with the positioning sliding grooves, sliding grooves are symmetrically arranged on two sides of the fixing seat, the sliding groove is communicated with the positioning channel, the limiting sliding block is slidably arranged in the sliding groove, one end of the limiting sliding block can be clamped in the limiting groove, and the limiting spring is arranged in the sliding groove. The utility model relates to the technical field of milling cutters, and particularly provides a composite material single-edge milling cutter convenient to assemble and disassemble.

The single-edge milling cutter described in the above patent is easy to assemble and disassemble, but has the following problems in the actual use: the current single-edge milling cutter inconvenient chip removal appears at the in-process that uses to the problem of disconnected sword appears easily in long-time operation, influences single-edge milling cutter's life-span.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, the utility model aims to provide a single-edge milling cutter special for composite material processing, so as to solve the problems mentioned in the background art.

The technical purpose of the utility model is realized by the following technical scheme:

the special single-blade milling cutter for processing the composite materials comprises a cutter body, wherein a connector is arranged at the top end of the cutter body, the cutter body and the connector are fixed through a nut, the helical angle of the cutter body is-24 degrees, the front angle is 28 degrees, the rear angle is 18 degrees, a plurality of chip grooves are formed in the arc surface of the cutter body, a cutting edge is arranged at the bottom of the cutter body, and the cutting edge adopts a progressive clearance avoiding design.

By adopting the technical scheme, the cutter body is convenient for drilling and milling materials, the composite material is convenient to process, the connector is convenient for connecting the whole milling cutter and the milling machine together, the milling cutter is convenient to install and use, the nut is convenient for fixing the cutter body and the connector, the cutter body is convenient for being matched with the connector stably, the helical angle of the cutter body is-24 degrees, the front angle is 28 degrees, the rear angle is 18 degrees, so that the cutting edge is sharp, the fiber material can be cut off easily, burrs are not generated, the left-handed design of the chip removal groove ensures that the edge of the upper surface of a workpiece is not turned outwards, the chip removal groove is convenient for performing ticket house on scraps generated by drilling and milling, the cutter body is convenient for smoothly drilling and milling the composite material, and the cutter edge adopts the progressive clearance avoiding design to effectively avoid winding the cutter.

Preferably, the cutter body is integrally made of UF03 hard alloy, and a butterfly-shaped angle is arranged at the bottom of the cutting edge and is 4 degrees.

By adopting the technical scheme, the UF03 hard alloy has high strength, is wear-resistant and is ultrafine-grained, the problem that the cutter body is easy to break is avoided, the butterfly-shaped angle is convenient for the cutting edge to smoothly penetrate through materials, and the cutter body is convenient for effectively drilling the materials.

Preferably, the chip groove is mined by adopting a grinding wheel, and the bottom surface of the chip groove is subjected to mirror surface polishing.

Through adopting above-mentioned technical scheme, the chip groove of this kind of structure can avoid gluing the bits by a wide margin, and then makes whole milling cutter chip removal smooth and easy.

Preferably, the cutter body arc surface is provided with a limiting ring, and the top of the limiting ring is provided with a plug.

Through adopting above-mentioned technical scheme, the spacing collar is convenient for carry on spacingly to the cutter body, also is convenient for cooperate the nut to make the stable cooperation connector of cutter body use, and the plug is convenient for the cutter body and the connector is pegged graft together, and the cutter body of being convenient for carries out quick dismouting.

Preferably, the bottom end of the connector is provided with a connecting ring, and the bottom surface of the connector is provided with a slot.

Through adopting above-mentioned technical scheme, the clamping ring be convenient for connector and nut threaded connection together, the connector of being convenient for and mutually supporting of nut can fix the cutter body, and the slot makes things convenient for the cutter body to peg graft together with the connector.

Preferably, the bottom of the nut is provided with a sleeve hole, and the bottom of the inner side of the nut is provided with a blank holder along the periphery of the sleeve hole.

Through adopting above-mentioned technical scheme, the trepanning is convenient for cooperate the nut to conveniently fix the cutter body through the nut, the stability of the cutter body of being convenient for, the blank pressing is convenient for press on the spacing ring, thereby conveniently carry on spacingly to the cutter body, the cutter body of being convenient for is stable links together with the connector.

In summary, the utility model mainly has the following beneficial effects: through improving and optimizing the structure of single-edge milling cutter, make the sweeps discharge work piece that the structure of single-edge milling cutter can be smooth will process the production, this kind of single-edge milling cutter does not have the problem of gluing the piece simultaneously, super large anterior angle design blade is sharp, can cut off fibrous material easily, do not produce the burr, it does not turn up to arrange left-handed rotation design down and guaranteed that work piece upper surface edge is not turned up, in addition the colloid between the material is softer, the high temperature twines on the cutter body very easily during processing, adopt the big clearance of keeping away of asymptotic formula to avoid twining the sword.

Drawings

FIG. 1 is a schematic view of a single-edge milling cutter according to the present invention;

FIG. 2 is a perspective view of the blade body of the present invention;

FIG. 3 is a schematic view of the cutter body of the present invention from a principal perspective;

FIG. 4 is a schematic view of the cutter body of the present invention from a bottom perspective;

FIG. 5 is a schematic view of a connector according to the present invention;

figure 6 is a schematic view of the nut of the present invention.

Reference numerals: 1. a cutter body; 11. a chip groove; 12. a blade; 13. a limiting ring; 14. a plug; 15. avoiding the space; A. a helix angle; B. a butterfly angle; C. a hook angle; D. a relief angle; 2. a connector; 21. a connecting ring; 22. a slot; 3. a nut; 31. trepanning; 32. and (7) pressing the edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4 and 5, the single-edge milling cutter specially used for processing the composite material comprises a cutter body 1, wherein the cutter body 1 is made of ultra-high hardness and wear-resistant ultra-fine particle UF03 hard alloy, the helical angle A of the cutter body 1 is-24 degrees, the front angle C is 28 degrees, the rear angle D is 18 degrees, the blades are one, the arc surface of the cutter body 1 is provided with a chip removal groove 11, the chip removal groove 11 is ground by a large arc grinding wheel, the tool withdrawal arc is in transition, chips can be removed smoothly, and the cutter is not easy to break; the bottom mirror surface of the chip groove 11 is polished, and the cutting edge is smooth and does not stick chips; the cutting edge of the oversized front angle C is sharp, the fiber material can be easily cut off, burrs are not generated, the left-handed design of the chip groove 11 ensures that the edge of the upper surface of a workpiece is not turned outwards, the bottom of the cutter body 1 is provided with a cutting edge 12, the bottom end of the cutting edge 12 is provided with a butterfly-shaped angle B, the butterfly-shaped angle B is 4 degrees, the cutting edge 12 adopts a progressive clearance 15 design, colloid among composite materials is soft, the temperature is high during processing, the composite materials are very easy to wind on the cutter body 1, and the progressive clearance 15 is adopted to avoid winding the cutter; the arc surface of the cutter body 1 is provided with a limiting ring 13, the limiting ring 13 is convenient for limiting the cutter body 1 and is also convenient for fixing the cutter body 1 by matching with a nut 3, the top end of the limiting ring 13 is provided with a plug 14, the plug 14 is convenient for the cutter body 1 and the connector 2 to be spliced together, and the cutter body 1 is convenient to mount and fix; the plug 14 is sleeved with the connector 2, the bottom of the connector 2 is provided with the connecting ring 21, and the connecting ring 21 facilitates the cutter body 1 to be matched with the nut 3 for use, so that the nut 3 and the connecting ring 21 are conveniently connected together; the bottom end of the connector 2 is provided with a slot 22, and the slot 22 facilitates the connector 2 to be sleeved on the plug 14.

Referring to fig. 6, the bottom end of the nut 3 is provided with a trepanning 31, the trepanning 31 facilitates the nut 3 to be sleeved on the cutter body 1, the cutter body 1 to be installed and fixed conveniently, the cutter body 1 to be stable conveniently, the bottom of the inner side of the nut 3 is provided with an edge pressing 32 along the edge of the trepanning 31, the edge pressing 32 facilitates the nut 3 to be pressed on the limiting ring 13 after being screwed down, and therefore the cutter body 1 is stably inserted into the inner side of the connector 2, and the cutter body 1 is conveniently and stably installed and fixed.

The using method comprises the following steps: during the use, the connector 2 is firstly connected with a milling machine, then a proper cutter body 1 is selected, the plug 14 at the top end of the cutter body 1 is inserted into the connector 2, then the nut 3 is sleeved on the cutter body 1 from the bottom of the cutter body 1, and the nut 3 is stably connected with the connector 2, then the purpose of fixing the cutter body 1 is achieved, when the cutter body needs to be replaced, the nut 3 is only needed to be screwed off, and other cutter bodies 1 are replaced, the operation is simple and convenient, the cutter body is convenient for workers to rapidly replace the cutter, the cutter body is ultrahigh in hardness and wear-resistant, the cutter body 1 made of ultrafine particle UF03 hard alloy is high in strength and is not easy to break, and meanwhile, the chip removal groove 11 is also convenient for smooth chip removal treatment in the machining process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special single-edge milling cutter of combined material processing which characterized in that: including cutter body (1), cutter body (1) top is equipped with connector (2), it is fixed through nut (3) between cutter body (1) and the connector (2), helical angle (A) of cutter body (1) is-24 degrees, and anterior angle (C) is 28 degrees, and relief angle (D) is 18 degrees, a plurality of chip grooves (11) have been seted up to cutter body (1) arc surface, cutter body (1) bottom is equipped with cutting edge (12), cutting edge (12) adopt the progressive to keep away empty (15) design.

2. The single-edge milling cutter special for composite material machining according to claim 1, wherein: the cutter body (1) is integrally made of UF03 hard alloy, a butterfly-shaped angle (B) is arranged at the bottom of the cutting edge (12), and the butterfly-shaped angle (B) is 4 degrees.

3. The single-edge milling cutter special for composite material machining according to claim 2, wherein: the chip groove (11) is mined by adopting a grinding wheel, and the bottom surface of the chip groove (11) is subjected to mirror polishing.

4. The single-edge milling cutter special for composite material machining according to claim 3, wherein: the cutter body (1) arc surface is equipped with spacing collar (13), spacing collar (13) top is equipped with plug (14).

5. The single-edge milling cutter special for composite material machining according to claim 1, wherein: the bottom end of the connector (2) is provided with a connecting ring (21), and the bottom surface of the connector (2) is provided with a slot (22).

6. The single-edge milling cutter special for composite material machining according to claim 1, wherein: the bottom of the nut (3) is provided with a trepanning (31), and the bottom of the inner side of the nut (3) is provided with a blank holder (32) along the circumference of the trepanning (31).