CN210996746U

CN210996746U - Edge-parting mirror-image-forming finish milling cutter

Info

Publication number: CN210996746U
Application number: CN201921917485.5U
Authority: CN
Inventors: 邱天晓
Original assignee: Changzhou Junzhuo Tool Co ltd
Current assignee: Changzhou Junzhuo Tool Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-14
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to the milling cutter field, and discloses a dividing edge type mirror image forming finish milling cutter, which comprises a handle chuck, wherein the excircle of the lower end of the handle chuck is provided with a clamping groove, the clamping groove is fixed by clamping a clamping machine in order to facilitate the outside, the lower end of the handle chuck is vertically and downwards fixedly provided with a fixed column, the excircle of the fixed column is provided with a circle clamping hole, the lower end of the fixed column is vertically and downwards fixedly provided with a cutter bar, the two sides of the lower end of the cutter bar are provided with blade mounting grooves, and the arc side wall of the blade mounting grooves is provided with an inner groove, when the cutter bar is damaged due to high-speed rotation, a screw fixed on the front wall of a semi-circular blade closing block can be disassembled and taken out, then a new cutter bar is installed, and when the new cutter bar is fixed, the screw only needs to penetrate through a small, thus, the effect of saving partial material of the cutter bar is achieved.

Description

Edge-parting mirror-image-forming finish milling cutter

Technical Field

The utility model relates to a milling cutter field especially relates to a minute limit formula mirror image shaping finish milling cutter.

Background

The milling cutter is used for machining various dies, automobile parts and mechanical parts on a numerical control milling machine, and the milling cutter serving as a main machining cutter of the milling cutter is developed rapidly along with the development of a numerical control machining technology. At present, the types of milling cutters are classified into various types according to requirements of machined products, structures and the like. Most of existing milling cutters in the market are cutter bars and blades which are integrated, and once the blades are damaged, the whole cutter bars and the whole blades need to be replaced, so that materials are wasted, and the blades cannot continuously work due to the fact that the high-speed rotating temperature of the blades is increased when the blades cut objects, the service lives of the blades are damaged, and therefore the edge-parting mirror image forming finish milling cutter is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a dividing limit formula mirror image shaping finish milling cutter.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme, a side-parting mirror forming finish milling cutter comprises a cutter handle chuck, wherein a clamping groove is arranged at the outer circle part of the lower end of the cutter handle chuck, the clamping groove is used for clamping and fixing the outer clamping machine conveniently, a fixed column is vertically and downwards fixedly arranged at the lower end of the cutter handle chuck, a circle of clamping holes are arranged at the outer circle part of the fixed column, a cutter rod is vertically and downwards fixedly arranged at the lower end of the fixed column, blade mounting grooves are arranged at two sides of the lower end of the cutter rod, inner grooves are arranged on the arc-shaped side walls of the blade mounting grooves, threaded holes are arranged on the bottom surfaces of the blade mounting grooves, the inner threads of the threaded holes are connected with screws, outer threads are arranged at the outer circle part of the screws, high-pressure, the high-pressure water spraying hole is also formed in the middle of the interior of the cutter handle clamping head and penetrates through the bottom end all the time, and the high-pressure water spraying hole in the cutter handle clamping head is communicated with the bottom end high-pressure water spraying hole of the cutter rod.

Preferably, the upper end of the semicircular blade closing block is provided with an outer convex block, when the semicircular blade closing block is superposed with the blade mounting groove, the outer convex block is fully meshed with the inner convex groove, and the outer convex block is fixed inside the inner convex groove by the screw.

Preferably, the shape of the semi-arc blade closing block is complementary with that of the blade mounting groove, the high-pressure water spraying hole extends to the high-pressure water outlet, the front wall of the semi-arc blade closing block is provided with small holes, and each group of semi-arc blade closing blocks is provided with two groups of small holes.

Preferably, a high-pressure water outlet is formed in the center of the chip removing arc groove and communicated with a high-pressure water spraying hole in the blade, and a cutting edge is arranged at the edge of the top end of the chip removing arc groove. One end of the connecting rod, which is far away from the blade, is fixedly provided with a semi-arc blade closing block.

Preferably, the lower extreme of cutter arbor sets up the blade, and the intermediate position of blade is the perpendicular upwards fixed mounting of connecting rod, and the blade is criss-cross blade, four ends of blade all are equipped with the arc groove of antidandruff.

Advantageous effects

The utility model provides a dividing limit formula mirror image shaping finish milling cutter. The method has the following beneficial effects:

(1) this minute limit formula mirror image shaping finish milling cutter, when the blade damages because high-speed rotatory work, fix the screw of fixing at semicircle blade closing piece antetheca just can disassemble it and take out, then install new blade, and is same, when fixing new blade, only need run through the screw in the aperture through preceding screw hole rotatory fastening can, and simple to operate easy operation, just so reached the effect of saving the partial material of cutter arbor.

(2) This divide limit formula mirror image shaping finish milling cutter, the high pressure water jet on the handle of a knife chuck extends all the time and communicates with each other with high-pressure water outlet in the blade, and when the high-speed rotatory cutting object of blade, the blade will produce high temperature, then the high-pressure water outlet in the middle of the antidandruff arc groove will spout water yield, has reached the effect that makes the blade cool down, extension blade life.

Drawings

FIG. 1 is an overall structure diagram of the edge-divided mirror-image-forming finish milling cutter of the present invention;

FIG. 2 is a partial view of the cutter bar of the present invention;

FIG. 3 is a partial schematic view of the screw of the present invention;

fig. 4 is a partial schematic view of the blade of the present invention.

Illustration of the drawings:

1 tool holder chuck, 2 clamp grooves, 3 fixed columns, 4 clamp holes, 5 tool bars, 6 blade mounting grooves, 7 inner grooves, 8 threaded holes, 9 screws, 10 outer threads, 11 high-pressure water spraying holes, 12 semi-circular arc blade closing blocks, 13 blades, 14 chip removing arc grooves, 15 high-pressure water outlets, 16 cutting edges, 17 outer convex blocks and 18 small holes.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a dividing type mirror image forming finish milling cutter is shown in figures 1-4 and comprises a cutter handle chuck 1, the appearance of the cutter handle chuck 1 is a trapezoidal cylinder, a clamping groove 2 is arranged at the excircle of the lower end of the cutter handle chuck 1, the clamping groove 2 is a ring-shaped groove, the clamping groove 2 is used for facilitating clamping and fixing of an external clamping machine, a fixed column 3 is fixedly arranged at the lower end of the cutter handle chuck 1 vertically downwards, a circle of clamping holes 4 are arranged at the excircle of the fixed column 3, the clamping holes 4 are round small holes, the clamping holes 4 are used for inserting fixing bolts of the external clamping machine into the clamping holes 4, the fixing of the external clamping machine is further reinforced, so that the cutter handle chuck 1 cannot derail when rotating, a cutter bar 5 is fixedly arranged at the lower end of the fixed column 3 vertically downwards, blade mounting grooves 6 are formed in two sides of the lower end of the cutter bar 5, and the blade mounting grooves 6 are semi-, an inner groove 7 is arranged on the arc-shaped side wall of the blade mounting groove 6, a threaded hole 8 is arranged on the bottom surface of the blade mounting groove 6, and two groups of threaded holes 8 are arranged in each blade mounting groove 6, the internal threads of the threaded holes 8 are connected with screws 9, the outer circle of the screw 9 is provided with an external thread 10, the inner center of the cutter bar 5 is provided with a high-pressure water spraying hole 11, and the high-pressure water spray hole 11 penetrates the whole cutter bar 5, the high-pressure water spray hole 11 is a round small hole, the high-pressure water spray hole 11 can transmit high-pressure water to the high-pressure water spray hole 11 by using pressure of an external machine, the high-pressure water spray hole 11 can spray water quantity, the high-pressure water spray hole 11 is also arranged in the middle position inside the cutter handle chuck 1, and the high-pressure water spray hole 11 penetrates through the bottom end all the time, and the high-pressure water spray hole 11 on the tool holder chuck 1 is communicated with the bottom end high-pressure water spray hole 11 of the tool bar 5.

The lower end of the cutter bar 5 is provided with a blade 13, the middle position of the blade 13 is vertically upwards fixedly provided with a connecting rod, the blade 13 is a cross-shaped blade, four ends of the blade 13 are provided with chip removing arc grooves 14, the chip removing arc grooves 14 are arc-shaped grooves, when the blade 13 operates and works, the blade 13 rotates at a high speed to cut objects, a plurality of iron chips are generated in the chip removing arc grooves 14, then the cut iron chips are thrown out of the arc surface through centrifugal force, the iron chips are removed in the inner part, the milling cutter keeps a long-time working state, the blade 13 cannot be blocked and damaged due to more iron chips, the center position of the chip removing arc grooves 14 is provided with a high-pressure water outlet 15, the high-pressure water outlet 15 is a circular hole, the high-pressure water outlet 15 is communicated with a high-pressure water spray hole 11 in the blade 13, the high-pressure water spray hole 11 can inject water, high-pressure water is transmitted to the high-pressure water outlet 15 along with the inside of the high-pressure water spraying hole 11, then water sprayed from the high-pressure water outlet 15 collides with the inside of a cutting object at the blade 13, high temperature generated during high-speed rotation cutting of the blade 13 is cooled, and part of scrap iron can be taken away by the water amount through centrifugal force when the blade 13 rotates at high speed, so that the high-pressure water jet cutting blade has the function of removing a little scrap iron, and a cutting edge 16 is arranged at the edge of the top end of the cutting blade 13.

The one end fixed mounting who keeps away from blade 13 of connecting rod has semicircle blade closing block 12, and semicircle blade closing block 12 symmetry has two sets ofly, semicircle blade closing block 12 is complementary with the shape of blade mounting groove 6, and high pressure hole for water spraying 11 extends to high pressure delivery port 15 all the time, the antetheca of semicircle blade closing block 12 is equipped with aperture 18, and every group semicircle blade closing block 12 has two sets of apertures 18, the upper end of semicircle blade closing block 12 is equipped with outer lug 17, and when semicircle blade closing block 12 and blade mounting groove 6 coincide, outer lug 17 fully meshed with interior convex groove 7, and screw 9 is fixed inside interior convex groove 7 with outer lug 17, and interior convex groove 7 circular arc department sets up the line and can increase the frictional force between outer lug 17 and the convex groove 7 to make the installation of outer lug 17 and convex groove 7 more stable.

The utility model discloses a theory of operation: when an external machine clamps the tool holder chuck 1, the lower end of the fixed column 3 is fixedly provided with the tool bar 5, the tool bar 5 is movably arranged with the blade 13, the external machine is started to enable the tool holder chuck 1 to drive the blade 13 to rotate, the blade mounting groove 6 at the front end of the tool bar 5 can be replaced by different blades 13, so that other blades 13 can be replaced for use when the blades 13 are damaged, the installation is convenient, the structure is simple, when an external machine is started, when the blade 13 cuts on an object to be cut, the high-pressure water spray holes 11 in the four-end chip removing arc groove 14 spray high-pressure water which is thrown out to the periphery of the cut object along with the high-speed rotation of the blade 13, when the cutting edge 16 around the top end of the blade 13 rotates at high speed to generate temperature, the water quantity can play a role of cooling, and the iron filings generated by the high-speed rotation of the cutting edge 16 are thrown out along with the iron filings removing arc groove 14, and the water sprayed from the high-pressure water spraying hole 11 has the effect of removing the iron filings.

The foregoing shows and describes the fundamental principles and principal features of the invention, namely the advantages of the invention. 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. The utility model provides a minute limit formula mirror image shaping finish milling cutter, includes handle of a knife chuck (1), its characterized in that: the lower end of the knife handle chuck (1) is vertically and downwards fixedly provided with a fixed column (3), the lower end of the fixed column (3) is vertically and downwards fixedly provided with a knife bar (5), two sides of the lower end of the knife bar (5) are provided with blade mounting grooves (6), the blade mounting grooves (6) are semi-circular grooves, the arc-shaped side walls of the blade mounting grooves (6) are provided with inner grooves (7), the groove bottom surfaces of the blade mounting grooves (6) are provided with threaded holes (8), two groups of threaded holes (8) are arranged in each blade mounting groove (6), the inner threads of the threaded holes (8) are connected with screws (9), the outer circles of the screws (9) are provided with external threads (10), and the center position of the inner part of the knife bar (5) is provided with a;

a blade (13) is arranged at the lower end of the cutter bar (5), a connecting rod is vertically and upwards fixedly installed in the middle of the blade (13), the blade (13) is a cross-shaped blade, chip removing arc grooves (14) are formed in four ends of the blade (13), the chip removing arc grooves (14) are arc-shaped grooves, and a high-pressure water outlet (15) is formed in the center of each chip removing arc groove (14);

the one end fixed mounting who keeps away from blade (13) of connecting rod has semicircle blade closing block (12), and high pressure water jet hole (11) extend to high pressure water outlet (15) all the time, the antetheca of semicircle blade closing block (12) is equipped with aperture (18), and every group semicircle blade closing block (12) has two sets of apertures (18), the upper end of semicircle blade closing block (12) is equipped with outer lug (17).

2. The rimmed, mirror-forming finish-milling cutter as claimed in claim 1, wherein: the outer circle of the lower end of the knife handle chuck (1) is provided with a clamping groove (2), and the clamping groove (2) is an annular groove.

3. The rimmed, mirror-forming finish-milling cutter as claimed in claim 1, wherein: high-pressure water hole (11) run through whole cutter arbor (5), and high-pressure water hole (11) are the circular shape aperture, the inside intermediate position of handle of a knife chuck (1) also is equipped with high-pressure water hole (11), and high-pressure water hole (11) run through in the bottom all the time, and high-pressure water hole (11) on the handle of a knife chuck (1) communicate with each other with bottom high-pressure water hole (11) of cutter arbor (5).

4. The rimmed, mirror-forming finish-milling cutter as claimed in claim 1, wherein: the high-pressure water outlet (15) is a circular hole, the high-pressure water outlet (15) is communicated with a high-pressure water spraying hole (11) in the blade (13), and a cutting edge (16) is arranged at the edge of the top end of the blade (13).

5. The rimmed, mirror-forming finish-milling cutter as claimed in claim 1, wherein: two groups of semi-circular blade closing blocks (12) are symmetrically arranged, and the shapes of the semi-circular blade closing blocks (12) and the blade mounting grooves (6) are complementary.