CN218775755U

CN218775755U - Finish milling cutter convenient to chip removal

Info

Publication number: CN218775755U
Application number: CN202223202691.2U
Authority: CN
Inventors: 林嫱; 钟洪祥; 梁启庆; 石锁柱; 谢文宏
Original assignee: Wuzhou Sanhetian Baili Hardware Processing Co ltd
Current assignee: Wuzhou Sanhetian Baili Hardware Processing Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-31
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a smart milling cutter convenient to chip removal belongs to the milling cutter field, solves current smart milling cutter's the chip groove single structure of clapping and leads to clapping the relatively poor problem of bits performance. This finish milling cutter includes the blade disc, the blade disc center seted up the fixed orifices, the blade disc outward flange be fixed with a plurality of blades, the chip groove has been seted up on the blade disc of blade one side, the chip groove is the bell jar that one end is little, the other end is big, just the inner wall inclination of chip groove is from being close to the blade and keeping away from the blade one side crescent. The utility model discloses a finish milling cutter convenient to chip removal effectively improves the chip removal performance, reduces the cracked risk of cutter, prolongs the life of cutter.

Description

Finish milling cutter convenient to chip removal

Technical Field

The utility model relates to a milling cutter field, more specifically say, it relates to a finish milling cutter convenient to chip removal.

Background

A milling cutter is a rotary cutter with one or more cutter teeth for milling, and is widely applied to milling of metal plates, wood and the like. The finish milling cutter is used for trimming a workpiece, the chip removal performance of the finish milling cutter is particularly important and poor in chip removal performance during the use of the finish milling cutter, and the problem that the milling cutter is easy to break is solved.

The existing milling cutter has the following patent numbers: CN202110063247.8 a four-edge eccentric fillet milling cutter which has good heat dispersion and can reduce vibration amplitude, 202023208491.9 an indexable double-arc gear finish milling cutter, the chip removal mode is that a chip removal groove is arranged on one side of a blade of the milling cutter, and the chip removal groove is of a penetrating structure or a spiral structure. Although the chip removal can be realized, the chip removal groove has a single structure, the chip removal performance is still relatively poor, and the chip removal groove is difficult to be suitable for the fine trimming of wood. Therefore, it is necessary to develop a new type of finish milling cutter convenient for chip removal.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to prior art's the aforesaid, provides a finish milling cutter of chip removal of being convenient for, effectively improves the chip removal performance, reduces the cracked risk of cutter, prolongs the life of cutter.

The technical scheme of the utility model is like this: the utility model provides a finish milling cutter convenient to chip removal, includes the blade disc, the blade disc center seted up the fixed orifices, the blade disc outward flange be fixed with a plurality of blades, the chip groove has been seted up on the blade disc of blade one side, the chip groove is the little, the big conical groove of the other end of one end, just the inner wall inclination of chip groove is followed and is close to the blade and simultaneously is kept away from blade one side crescent.

As a further improvement, the fixing hole is a conical hole with a small end and a large end.

Furthermore, the center of the cutter head is provided with a shaft seat protruding and extending towards two sides of the cutter head, and the fixing hole penetrates through two ends of the shaft seat.

Furthermore, the height of the shaft seat protrusion corresponding to the largest end of the fixing hole is greater than the height of the shaft seat protrusion corresponding to the smallest end of the fixing hole.

Furthermore, an accommodating groove extending towards one side of the cutter head is formed in the shaft seat corresponding to the minimum end of the fixing hole, and a limiting shoulder is formed at the bottom of the accommodating groove.

Furthermore, the front angle A of the blade is 2-30 degrees, the back angle B is 2-40 degrees, and the shearing angle is 2-55 degrees.

Further, the largest end of the chip groove extends along the largest end of the fixing hole.

Furthermore, the blades are linear type blades, the blades are fixed on the cutter head in a welding mode, and two ends of the blades are flush with two sides of the cutter head.

Further, the blade be the arc sword, the blade fix on the blade disc through the welded mode, just the outward flange of blade disc is equipped with the location circular bead, the one end and the location circular bead looks parallel and level of blade.

Furthermore, a yielding annular groove is formed in the position, corresponding to the arc-shaped angle of the blade, of the cutter disc, and the arc-shaped angle of the blade protrudes out of the yielding annular groove.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses a finish milling cutter, through being conical structure with the chip groove design, and the chip groove is close to the inclination of blade one side and is less than the inclination of keeping away from blade one side, make the sweeps that processing came out arrange to the broadside by the narrow limit of toper chip groove, realize directional chip removal, the sweeps is launched to the chip groove inner wall of keeping away from blade one side after getting off by the cutting simultaneously, the inclined plane drainage flow that is bigger by the inclination goes, make the sweeps flow smoothly, and then improve the chip removal performance, reduce the cracked risk of cutter, prolong the life of cutter, be applicable to ligneous finishing processing more.

2. The utility model discloses a finish milling cutter, through the structure of designing the fixed orifices for the bell mouth, during the change cutter, the biggest one end of fixed orifices embolias the main shaft of lathe on, because the fixed orifices is conical, finish milling cutter embolias and can't go forward after appointed position, the realization is injectd finish milling cutter's position, then recycle nut and main shaft threaded connection, nut extrusion finish milling cutter can realize fixed mounting, need not to adjust the quick accurate change cutter of cutter height realization, it is very convenient that the dismouting is changed.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;

fig. 2 is a schematic front view of embodiment 1 of the present invention;

fig. 3 is a schematic rear view of embodiment 1 of the present invention;

fig. 4 is a schematic side view of embodiment 1 of the present invention;

fig. 5 is a schematic side view of a cross-sectional structure according to embodiment 1 of the present invention;

fig. 6 is a schematic perspective view of embodiment 2 of the present invention;

fig. 7 is a schematic front view of embodiment 2 of the present invention;

fig. 8 is a schematic side view of a cross-sectional structure according to embodiment 2 of the present invention.

Wherein: 1-cutter head, 2-fixed hole, 3-blade, 4-chip groove, 5-axle seat, 6-holding groove, 7-limit shoulder, 8-positioning shoulder, 9-abdicating circular groove and 10-clamping groove.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Example 1

Referring to fig. 1-5, for a specific embodiment in the utility model, a finish milling cutter convenient to installation in this embodiment, including blade disc 1, fixed orifices 2 has been seted up at blade disc 1 center, is fixed with a plurality of blades 3 at 1 outward flange of blade disc, has seted up chip groove 4 on blade disc 1 of blade 3 one side, and chip groove 4 runs through the outward flange setting of blade disc 1, and chip groove 4 is the bell groove that one end is little, the other end is big, and is concrete, chip groove 4's tapering can be for 20-80, and the biggest one end of chip groove 4 extends along the biggest one end of fixed orifices 2. Further, the inclination of the inner wall of the chip groove 4 gradually increases from the side close to the blade 3 to the side far from the blade 3.

The finish milling cutter of this embodiment, through being the conical structure with chip groove 4 design, and chip groove 4's inner wall inclination is from being close to 3 one sides of blade and increasing gradually towards keeping away from 3 one sides of blade, make the sweeps that process out launch to the broadside by the narrow limit of toper chip groove (the minimum one end of chip groove is the narrow limit, the biggest one end is the broadside), realize directional chip removal, simultaneously the sweeps is thrown away on the chip groove 4 inner wall of keeping away from 3 one sides of blade after getting off by the cutting, the inclined plane drainage that is bigger by the inclination goes, make the sweeps flow smooth and easy, and then improve chip removal performance, reduce the cracked risk of cutter, prolong the life of cutter, be applicable to ligneous finish machining more.

Preferably, the fixing hole 2 is a tapered hole with a small end and a large end.

The smart milling cutter of this embodiment, through the structure for the bell mouth with the design of fixed orifices 2, when changing the cutter, the main shaft of lathe is emboliaed to the biggest one end of fixed orifices 2, because fixed orifices 2 are conical, smart milling cutter embolias can't advance after appointed position, the realization is injectd the position of smart milling cutter, then reuse nut and main shaft threaded connection, nut extrusion smart milling cutter can realize fixed mounting, need not to adjust the cutter height and realize quick accurate change cutter, the dismouting is changed very conveniently.

Preferably, the center of the cutter head 1 is provided with shaft seats 5 protruding and extending towards the two sides of the cutter head, wherein the fixing holes 2 penetrate through the two ends of the shaft seats 5, the length of the fixing holes 2 can be prolonged, the cutter head 1 is convenient to be connected with a spindle of a machine tool, the contact area of the finish milling cutter and the spindle of the machine tool is increased, and the stability and the reliability of the installation of the finish milling cutter are further improved.

Preferably, the protruding height of axle bed 5 that the 2 biggest ends of fixed orifices correspond is greater than the protruding height of axle bed 5 that the 2 smallest ends of fixed orifices correspond, prevents to keep away from the protruding too high of axle bed 5 of lathe main shaft one end, and the problem of influence processing.

Preferably, an accommodating groove 6 extending towards one side of the cutter head 1 is formed in the shaft seat 5 corresponding to the minimum end of the fixing hole 2 and used for accommodating a nut for fastening the finish milling cutter, the nut is prevented from being exposed, a limiting shoulder 7 is formed at the bottom of the accommodating groove 6, and the limiting shoulder 7 is matched with the nut, so that the finish milling cutter is tightly pressed on a main shaft of a machine tool. Further, draw-in groove 10 has still been seted up at the inner wall of holding tank 6, treats that the nut compresses tightly finish milling cutter after, can block into circlip card in draw-in groove 10, prevent that the nut is not hard up, further improves the stability and the reliability of finish milling cutter installation.

Preferably, as shown in fig. 3 and 4, the front angle a of the blade 3 is 2 to 30 °, the rear angle B is 2 to 40 °, and the shear angle C is 2 to 55 °, so that the tool is more durable and the cut sheet material has better smoothness by defining the angles of the front angle, the rear angle and the shear angle of the blade 3.

Preferably, the cutter head 1 and the shaft seat 5 are of an integrated structure, so that the structure is convenient to manufacture, and meanwhile, the structural strength of the finish milling cutter and the coaxiality of the shaft seat 5 and the cutter head 1 can be improved.

Preferably, the blade 3 in this embodiment is a linear blade, that is, the edge of the blade 3 is linear, the blade 3 is fixed on the cutter head 1 by welding, and two ends of the blade 3 are flush with two sides of the cutter head 1, and during welding, welding can be performed after two ends of the blade 3 are aligned with two side surfaces of the cutter head 1. The finish milling cutter in the present embodiment may be applicable to chamfer finishing or facet finishing.

Example 2

Referring to fig. 6-8, for another embodiment of the present invention, this embodiment is substantially the same as embodiment 1, and the difference is that the blade 3 in this embodiment is an arc-shaped knife, and the edge of the blade 3 is arc-shaped, this blade 3 is fixed on the cutter head 1 by welding, and the outer edge of the cutter head 1 is provided with a positioning shoulder 8, one end of the blade 3 is flush with the positioning shoulder 8, when welding, one end of the blade 3 is aligned with the positioning shoulder 8, and welding can be performed, so that the positions of the blades 3 are kept consistent. The finish milling cutter in this embodiment can be applicable to the radius truing.

Preferably, the cutter head 1 is provided with a yielding annular groove 9 corresponding to the arc angle of the blade 3, wherein the arc angle of the blade 3 protrudes out of the yielding annular groove 9, so that the cutter head 1 is prevented from interfering with a workpiece, and the blade 3 is ensured to cut the workpiece. Further, the width of the chip groove 4 in the present embodiment on the side close to the fixing hole 2 is smaller than the width on the side far from the fixing hole 2, so that the width of the chip groove 4 on the side close to the blade 3 is larger, which is more conducive to chip removal.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The utility model provides a finish milling cutter convenient to chip removal, includes blade disc (1), blade disc (1) center seted up fixed orifices (2), blade disc (1) outward flange be fixed with a plurality of blades (3), chip groove (4) have been seted up on blade disc (1) of blade (3) one side, its characterized in that, chip groove (4) are the bell mouth that one end is little, the other end is big, just the inner wall inclination of chip groove (4) is from being close to blade (3) one side and increasing gradually keeping away from blade (3).

2. A finish milling cutter for facilitating chip removal according to claim 1, characterized in that the fixing hole (2) is a tapered hole with a small end and a large end.

3. The finish milling cutter facilitating chip removal according to claim 2, wherein the cutter head (1) is provided at its center with a shaft seat (5) protruding and extending to both sides thereof, and the fixing hole (2) penetrates both ends of the shaft seat (5).

4. A finish milling cutter facilitating chip removal according to claim 3, characterized in that the protruding height of the shaft seat (5) corresponding to the largest end of the fixing hole (2) is greater than the protruding height of the shaft seat (5) corresponding to the smallest end of the fixing hole (2).

5. A finish milling cutter facilitating chip removal according to claim 3, characterized in that the shaft seat (5) corresponding to the smallest end of the fixing hole (2) is provided with a receiving groove (6) extending towards one side of the cutter head (1), and a limiting shoulder (7) is formed at the bottom of the receiving groove (6).

6. A finish milling cutter facilitating chip removal according to claim 3, characterized in that the rake angle a of the insert (3) is 2-30 °, the relief angle B is 2-40 °, and the shear angle is 2-55 °.

7. A finish milling cutter for facilitating chip removal according to claim 2, characterized in that the largest end of the chip flute (4) extends along the largest end of the fixing hole (2).

8. A finish milling cutter facilitating chip removal according to any one of claims 1 to 7, characterized in that said insert (3) is a linear type insert, said insert (3) is fixed to the cutter head (1) by welding, and both ends of said insert (3) are flush with both sides of the cutter head (1).

9. A finish milling cutter facilitating chip removal according to any one of claims 1 to 7, characterized in that said blade (3) is an arc-shaped blade, said blade (3) is fixed to the cutter head (1) by welding, and a positioning shoulder (8) is provided on the outer edge of said cutter head (1), and one end of said blade (3) is flush with said positioning shoulder (8).

10. The finish milling cutter convenient for chip removal according to claim 9, wherein a abdicating circular groove (9) is provided on the cutter head (1) at a position corresponding to the arc angle of the blade (3), and the arc angle of the blade (3) protrudes outside the abdicating circular groove (9).