CN218396890U - Composite cutter for aluminum wheel axle hole - Google Patents

Abstract

The utility model discloses a compound tool for an aluminum wheel axle hole, which comprises a clamping part and a tool bit; the clamping part is positioned at the top of the cutter head and is used for being fixed on the drilling machine; the cutter head is provided with a first cutter head, a second cutter head, a chip groove, a first cutter grain and a second cutter grain; the outer ring part of the bottom end of the first milling head protrudes out of the top end of the second milling head, and the bottom end of the second milling head extends downwards; the chip groove extends into the cutter head along the outer side face of the cutter head, the chip groove extends from the bottom end of the second cutter head from bottom to top and is close to the top end of the first cutter head, the first cutter particle and the second cutter particle are respectively arranged on the groove walls of the same side of the chip groove, the cutting edge of the first cutter particle faces downwards and is exposed out of the bottom edge of the outer ring part, and the cutting edge of the second cutter particle faces downwards and is exposed out of the bottom end of the second cutter head; the composite cutter can be used for finishing the cutting of the pouring gate and the hole opening operation of the shaft hole pre-drilling hole at one time, and has higher working efficiency.

Description

Composite cutter for aluminum wheel axle hole

Technical Field

The utility model relates to an aluminium wheel part produces appurtenance technical field, especially relates to a gang tool for aluminium wheel shaft hole.

Background

The hub of the aluminum wheel formed by casting needs to be prepared by pouring aluminum alloy melt by a mold, the mold is provided with a pouring gate for inputting the aluminum alloy melt, and after the hub of the aluminum wheel is formed by casting, a shaft hole needs to be formed in the middle of the hub of the aluminum wheel so as to install a shaft head of a driving shaft.

Because the shaft hole is covered by the pouring gate, the working method in the prior art is to remove the pouring gate on the surface of the hub of the aluminum wheel by using a milling cutter, then use a drill to open the shaft hole pre-drilling hole, need two kinds of cutters, and can be completed by two operations, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a compound cutting tool for aluminum wheel axle hole, which is equipped with two milling heads, and can complete the cutting of the pouring gate and the opening operation of the axle hole at one time.

To achieve the purpose, the utility model adopts the following technical proposal:

a composite cutter for an aluminum wheel axle hole comprises a clamping part and a cutter head;

the clamping part is positioned at the top of the cutter head and is used for being fixed on a drilling machine;

the cutter head is provided with a first cutter head, a second cutter head, a chip groove, a first cutter grain and a second cutter grain;

the first milling head is positioned at the upper part of the milling head, the top end of the first milling head is connected with the bottom end of the clamping part, the top end of the second milling head is connected with the middle part of the bottom end of the first milling head, the outer ring part of the bottom end of the first milling head protrudes out of the top end of the second milling head, and the bottom end of the second milling head extends downwards;

the chip groove is followed the lateral surface of tool bit is deepened the inside of tool bit, the chip groove is followed the bottom of second milling cutter head is by supreme extension down and being close to the top of first milling cutter head, first sword grain with second sword grain install respectively in the same cell wall of one side of chip groove, the blade of first sword grain is downwards and expose in the base of outer ring portion, the blade of second sword grain is downwards and expose in the bottom of second milling cutter head.

Preferably, two chip grooves are formed in the outer side surface of the cutter head in a centrosymmetric manner;

and the first cutter particle and the second cutter particle are arranged on the groove wall on one side of each of the two chip grooves.

Preferably, the first cutter blade is a quadrilateral cutter blade, and the first cutter blade is exposed out of the bottom side of the cutting edge of the outer ring part and is parallel to the bottom side of the first milling head.

Preferably, the second cutter particles are triangular cutter particles, and the cutting edge of the second cutter particles exposed at the bottom end of the second milling head is triangular and protrudes downwards.

Further, the clamping part is provided with a clamping groove;

the middle part of the clamping groove is inwards sunken to go deep into the clamping part, the upper end groove wall of the clamping groove is close to the top of the clamping part, and the lower end groove wall of the clamping groove extends downwards to the top of the first milling head.

The utility model discloses an above-mentioned technical scheme's beneficial effect does: the compound cutter for the aluminum wheel axle hole can finish the cutting of a pouring gate and the hole opening operation of the axle hole pre-drilling hole at one time, and has higher working efficiency.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the composite cutting tool for aluminum wheel axle holes of the present invention;

fig. 2 is a partially enlarged view of a portion a of fig. 1;

fig. 3 is a partially enlarged view of a portion B of fig. 1;

wherein: a compound tool 1; a clamping portion 11; a cutter head 12; a holding groove 111; a first milling head 121; a second milling head 122; the junk slots 123; a first knife blade 124; a second blade 125.

Detailed Description

The technical solution of the present invention will be further explained by the following embodiments with reference to the attached drawings 1-3.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

A compound tool for an aluminum wheel axle hole, the compound tool 1 comprises a clamping part 11 and a tool bit 12;

the clamping part 11 is positioned at the top of the cutter head 12, and the clamping part 11 is used for being fixed on a drilling machine;

the head 12 is provided with a first milling head 121, a second milling head 122, a chip flute 123 and first and second inserts 124, 125;

the first milling head 121 is located at the upper part of the milling head 12, the top end of the first milling head 121 is connected with the bottom end of the clamping part 11, the top end of the second milling head 122 is connected with the middle part of the bottom end of the first milling head 121, the outer ring part of the bottom end of the first milling head 121 protrudes out of the top end of the second milling head 122, and the bottom end of the second milling head 122 extends downwards;

the chip groove 123 is along the lateral surface of the cutter head 12 goes deep into the interior of the cutter head 12, the chip groove 123 extends from the bottom end of the second cutter head 122 from bottom to top and is close to the top end of the first cutter head 121, the first cutter blade 124 and the second cutter blade 125 are respectively installed on the groove wall of the same side of the chip groove 123, the cutting edge of the first cutter blade 124 is downward and exposed on the bottom edge of the outer ring part, and the cutting edge of the second cutter blade 125 is downward and exposed on the bottom end of the second cutter head 122.

Fig. 1-3 show the composite cutter for the aluminum wheel axle hole of the present invention.

The utility model discloses a compound tool for aluminium wheel shaft hole, during the use with compound tool 1's clamping part 11 upwards cartridge and is fixed in the bottom of rig, supports the bottom of second milling cutter head 122 in the top surface of the runner in aluminium wheel hub middle part downwards, starts the rig and drives compound tool 1 is rotatory, and the blade of second sword grain 125 rotates downwards and cuts off the middle part of runner, drills into aluminium wheel hub middle part again, along with second milling cutter head 122 deepens into aluminium wheel hub's inside downwards, the outer ring portion of first milling cutter head 121 contacts with the annular side of runner, and first sword grain 124 rotates downwards and cuts off the annular side of runner, until the first cutter blade 124 completely removes the annular side edge of the sprue, the hole formed by the second milling head 122 is pre-drilled, aluminum chips generated in the cutting process are discharged upwards from the chip removal groove 123, the hole forming operation of the pre-drilled hole in the shaft hole cannot be influenced, the plane where the edge of the pre-drilled hole in the shaft hole is located and the outer surface of the aluminum wheel hub are the same plane, or the plane where the edge of the pre-drilled hole in the shaft hole is located is a concave surface and is parallel to the outer surface of the aluminum wheel hub, and the composite cutter 1 can complete the removal of the sprue and the hole forming operation of the pre-drilled hole in the shaft hole at one time and has higher working efficiency.

Preferably, two chip grooves 123 are formed in the outer side surface of the cutter head 12 in a centrosymmetric manner;

the first cutting insert 124 and the second cutting insert 125 are mounted on one side wall of each of the two chip grooves 123.

As shown in fig. 1 to 3, the compound cutting tool 1 is provided with two chip grooves 123, and a first insert 124 and a second insert 125 are mounted on one side of each of the two chip grooves 123, so that the tapping and gate cutting efficiencies are higher.

Preferably, the first cutting insert 124 is a quadrangular cutting insert, and the first cutting insert 124 is exposed at the bottom side of the cutting edge of the outer ring part and is parallel to the bottom side of the first milling head 121.

As shown in fig. 1 and 2, the first cutting blade 124 is a quadrangular cutting blade, and the exposed cutting edge of the first cutting blade 124 is parallel to the bottom edge of the first milling head 121, so that the plane of the edge of the pre-drilled hole of the axle hole milled away by the first cutting blade 124 is the same plane as the outer side surface of the aluminum wheel hub, or the plane of the edge of the pre-drilled hole of the axle hole is a concave surface and is parallel to the outer surface of the aluminum wheel hub, so as to facilitate the installation of the axle hole cover.

Preferably, the second cutting insert 125 is a triangular cutting insert, and the cutting edge of the second cutting insert 125 exposed at the bottom end of the second milling head 122 is a downward-protruding triangle.

As shown in fig. 1 and 3, the downwardly exposed cutting edge of the second insert 125 is triangular, so that the effect of removing chips during drilling is better.

Further, the clamping part 11 is provided with a clamping groove 111;

the middle of the clamping groove 111 is recessed inward into the clamping portion 11, the upper end groove wall of the clamping groove 111 is close to the top of the clamping portion 11, and the lower end groove wall of the clamping groove 111 extends downward to the top of the first milling head 121.

As shown in fig. 1, the holder 11 having the holder groove 111 has better installation stability, and can prevent the first and second milling heads 121 and 122 from shaking during use.

In summary, as shown in fig. 1-3, the embodiment of the present invention provides a compound cutting tool for aluminum wheel axle hole, which can complete the cutting of the gate and the hole opening operation of the pre-drilled hole in the axle hole at one time, and has higher working efficiency.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (5)

1. A composite cutter for an aluminum wheel axle hole is characterized by comprising a clamping part and a cutter head;

the clamping part is positioned at the top of the cutter head and is used for being fixed on a drilling machine;

the cutter head is provided with a first cutter head, a second cutter head, a chip groove, a first cutter grain and a second cutter grain;

the first milling head is positioned at the upper part of the milling head, the top end of the first milling head is connected with the bottom end of the clamping part, the top end of the second milling head is connected with the middle part of the bottom end of the first milling head, the outer ring part of the bottom end of the first milling head protrudes out of the top end of the second milling head, and the bottom end of the second milling head extends downwards;

the chip groove is followed the lateral surface of tool bit is deepened the inside of tool bit, the chip groove is followed the bottom of second milling cutter head is by supreme extension down and being close to the top of first milling cutter head, first sword grain with second sword grain install respectively in the same cell wall of one side of chip groove, the blade of first sword grain is downwards and expose in the base of outer ring portion, the blade of second sword grain is downwards and expose in the bottom of second milling cutter head.

2. The compound tool for the aluminum wheel axle hole as claimed in claim 1, wherein two chip grooves are formed on the outer side surface of the tool bit in a centrosymmetric manner;

and the first cutter particle and the second cutter particle are arranged on the groove wall on one side of each of the two chip grooves.

3. The composite cutter for aluminum wheel axle bores according to claim 1, wherein the first cutter bit is a quadrilateral cutter bit exposed at a bottom edge of the cutting edge of the outer ring portion and parallel to a bottom edge of the first milling cutter bit.

4. The composite cutter for aluminum wheel axle bores according to claim 1, wherein the second cutting insert is a triangular cutting insert, and the cutting edge of the second cutting insert exposed at the bottom end of the second milling head is a downwardly protruding triangle.

5. The compound tool for aluminum wheel axle bores according to claim 1, characterized in that the clamping portion is provided with a clamping groove;

the middle part of the clamping groove is inwards sunken to go deep into the clamping part, the upper end groove wall of the clamping groove is close to the top of the clamping part, and the lower end groove wall of the clamping groove extends downwards to the top of the first milling head.

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