CN211071975U

CN211071975U - PCD multi-edge side milling cutter with U-shaped milling groove and ultrasonic vibration milling machine

Info

Publication number: CN211071975U
Application number: CN201921242737.9U
Authority: CN
Inventors: 陈耀昆
Original assignee: Dongguan Lianyang Cutting Tools Co ltd
Current assignee: Dongguan Lianyang Cutting Tools Co ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-07-24
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a PCD multi-blade side milling cutter with a U-shaped milling groove and an ultrasonic vibration milling machine, which comprises a cutter handle and a PCD cutter head; the tool shank is provided with a tool neck, and the PCD tool bit is welded and fixed on the tool neck; the PCD cutter head is provided with a plurality of cutting edges, and chip flutes are formed between adjacent cutting edges; the PCD cutter head is provided with a cutting groove, and the cutting groove is provided with an opening at the outer side; the cutting groove is positioned at the middle section of the PCD cutter head; the cutting groove comprises an upper end face, a lower end face and a middle transition face, the upper end face extends upwards from inside to outside, the lower end face extends downwards from inside to outside, and the middle transition face is connected between the inner ends of the upper end face and the lower end face; the upper end of the cutting edge is provided with a cutting edge head; therefore, through the structural design of the PCD cutter head, the cutting edge reduces abrasion during machining, the machining quality and the machining precision of a workpiece are improved, the cutter strength is good, the service life is long, the PCD cutter head is used for vibration grinding machining of the periphery of parts such as a middle frame of a mobile phone, and good surface finish can be obtained.

Description

PCD multi-edge side milling cutter with U-shaped milling groove and ultrasonic vibration milling machine

Technical Field

The utility model belongs to the technical field of the contour cutter technique and specifically relates to indicate a PCD multiple-blade side milling cutter and ultrasonic vibration milling machine with U-shaped milling flutes.

Background

At present, the contour cutter is usually suitable for processing materials such as glass, ceramics and the like, such as the processing areas around mobile phone glass, mobile phone edges (middle frames) and the like; most of the existing profile cutters are made of high-speed steel or hard alloy materials, the structural strength is poor, the machining time of the cutters is too long, the cutting edges of the cutters are abraded greatly, the cutters need to be replaced again in certain machining time, the quality and the precision of workpieces are different, and the yield of the workpieces is low.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a PCD multiple-edge side milling cutter and ultrasonic vibration milling machine with U-shaped milling flutes, and it has improved the processingquality and the precision of work piece through the structural design of PCD tool bit, and long service life for parts such as cell-phone center vibrations abrasive machining all around can obtain fine finish.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a PCD multi-edge side milling cutter with a U-shaped milling groove comprises a cutter handle and a PCD cutter head arranged on the cutter handle; wherein: a cutter neck is integrally and extendedly arranged at the upper end of the cutter handle, and the PCD cutter head is welded and fixed at the upper end of the cutter neck; the tool handle, the tool neck and the PCD tool bit are all provided with a central shaft which rotates in the same way;

a plurality of cutting edges are arranged on the periphery of the PCD cutter head along the circumferential direction, the cutting edges extend up and down, and chip flutes are formed between adjacent cutting edges; the PCD cutter head is provided with a cutting groove surrounding the periphery of the PCD cutter head, the cutting groove extends along the circumferential direction, and the cutting groove is provided with an opening at the outer side; the cutting groove is positioned at the middle section of the PCD cutter head; the groove profile of the cutting groove comprises an upper end surface, a lower end surface and a middle transition surface connected between the upper end surface and the lower end surface, wherein the upper end surface extends upwards from inside to outside, the lower end surface extends downwards from inside to outside, and the middle transition surface is connected between the inner ends of the upper end surface and the lower end surface;

the upper end of the cutting edge is provided with an edge head.

As a preferred scheme, the upper end face extends upwards from inside to outside in an inclined manner, the lower end face extends downwards from inside to outside in an inclined manner, and the middle transition face extends vertically.

As a preferred scheme, the included angle between the upper end surface and the middle transition surface and the included angle between the lower end surface and the middle transition surface are both 135 degrees.

As a preferred scheme, the knife handle and the knife neck are both made of tungsten steel.

As a preferable scheme, the length of the tool handle is 49mm, the length of the tool neck is 7mm, and the length of the PCD tool bit is 4 mm; the length of the cutting groove is 1.5 mm.

Preferably, the diameter of the tool shank is 9.99mm to 10mm, the diameter of the PCD tool bit is 7.98mm to 8.02mm, and the diameter of the cutting groove is 6.48mm to 6.52 mm.

As a preferable scheme, the cutting edge extends obliquely from top to bottom, and correspondingly, the chip groove extends obliquely from top to bottom.

The utility model provides an ultrasonic vibration milling machine, includes ultrasonic wave board main part, ultrasonic wave board main part has the main shaft, install aforementioned PCD multiple-blade side milling cutter on the main shaft.

Compared with the prior art, the utility model has obvious advantage and beneficial effect, particularly, can know by above-mentioned technical scheme, it mainly is through the structural design of PCD tool bit, make the cutting edge reduce wear when processing man-hour, the processingquality and the precision of work piece have been improved, cutter intensity is good, long service life, simultaneously, PCD has the hardness height, compressive strength is high, the heat conductivity and the good characteristic of wearability, the rotational speed and the feed volume of cutter are high, further the processingquality and the precision of work piece have been improved, be used for parts such as cell-phone center vibrations abrasive machining all around, can obtain fine surface finish; the method can be widely applied to surface processing of various materials such as glass, graphene, ceramics, carbon fiber and the like.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of an embodiment of the present invention (in the figure, an enlarged schematic view of a PCD tip).

The attached drawings indicate the following:

10. knife handle 11 and knife neck

20. PCD cutter head 21, cutting edge

22. Chip pocket 23, cutting groove

231. Upper end surface 232 and lower end surface

233. An intermediate transition surface 24, a blade head.

Detailed Description

Fig. 1 to fig. 2 show a specific structure of an embodiment of the present invention.

A PCD multi-edge side milling cutter with a U-shaped milling groove comprises a cutter handle 10 and a PCD cutter head 20 arranged on the cutter handle 10; wherein: a cutter neck 11 extends integrally from the upper end of the cutter handle 10, wherein the cutter handle 10 and the cutter neck 11 are both made of tungsten steel; the PCD cutter head 20 is welded and fixed at the upper end of the cutter neck 11; the tool handle 10, the tool neck 11 and the PCD tool bit 20 all have the same rotating central shaft;

the periphery of the PCD cutter head 20) is provided with a plurality of cutting edges 21 along the circumferential direction, the cutting edges 21 extend up and down, chip flutes 22 are formed between adjacent cutting edges 21, preferably, the cutting edges 21 extend obliquely from top to bottom, and correspondingly, the chip flutes 22 extend obliquely from top to bottom;

the PCD cutter head 20 is provided with a cutting groove 23 surrounding the periphery of the PCD cutter head 20, the cutting groove 23 extends along the circumferential direction, and the cutting groove 23 is provided with an outer opening; the cutting groove 23 is positioned in the middle section of the PCD cutter head 20; the groove profile of the cutting groove 23 comprises an upper end surface 231, a lower end surface 232 and a middle transition surface 233 connected between the upper end surface 231 and the lower end surface 232, wherein the upper end surface 231 extends upwards from inside to outside, the lower end surface 232 extends downwards from inside to outside, and the middle transition surface 233 is connected between the inner ends of the upper end surface 231 and the lower end surface 232; a blade head 24 is formed at the upper end of the cutting blade 21; therefore, through the structural design of the PCD cutter head, the processing quality and the precision of the workpiece are improved, the service life is long, the PCD cutter head is used for vibration grinding processing around parts such as a middle frame of a mobile phone, and good surface finish can be obtained.

As shown in fig. 2, the upper end surface 231 extends obliquely upward from inside to outside, the lower end surface 232 extends obliquely downward from inside to outside, and the middle transition surface 233 extends vertically; preferably, the included angle between the upper end surface 231 and the intermediate transition surface 233 and the included angle between the lower end surface 232 and the intermediate transition surface 231 are both 135 degrees.

The length of the knife handle 10 is 49mm, the length of the knife neck 11 is 7mm, and the length of the PCD knife head 20 is 4 mm; the length of the cutting groove 23 is 1.5 mm; and the diameter of the tool shank 10 is 9.99mm to 10mm, the diameter of the PCD tool bit 20 is 7.98mm to 8.02mm, and the diameter of the cutting groove 23 is 6.48mm to 6.52 mm.

An ultrasonic vibration milling machine comprises an ultrasonic machine table main body, wherein the ultrasonic machine table main body is provided with a main shaft, the main shaft is provided with the PCD multi-blade side milling cutter, and the PCD multi-blade side milling cutter is used for vibration grinding processing of the periphery of parts such as a middle frame of a mobile phone and the like and can obtain good surface finish; the method can be widely applied to surface processing of various materials such as glass, graphene, ceramics, carbon fiber and the like.

The utility model is mainly designed through the structural design of the PCD cutter head, so that the cutting edge reduces abrasion during processing, the processing quality and precision of a workpiece are improved, the cutter strength is good, the service life is long, meanwhile, the PCD has the characteristics of high hardness, high compressive strength, good heat conductivity and wear resistance, the rotating speed and the feeding amount of the cutter are high, the processing quality and precision of the workpiece are further improved, and the PCD cutter head is used for vibration grinding processing around parts such as a middle frame of a mobile phone and the like, and can obtain good surface finish; the method can be widely applied to surface processing of various materials such as glass, graphene, ceramics, carbon fiber and the like.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A PCD multi-blade side mill with U-shaped milling grooves, characterized in that: comprises a knife handle (10) and a PCD tool bit (20) arranged on the knife handle (10); wherein: the upper end of the knife handle (10) is integrally provided with a knife neck (11) in an extending mode, and the PCD knife head (20) is welded and fixed to the upper end of the knife neck (11); the tool handle (10), the tool neck (11) and the PCD tool bit (20) all have the same rotary central shaft; the knife handle (10) and the knife neck (11) are both made of tungsten steel;

a plurality of cutting edges (21) are arranged on the periphery of the PCD cutter head (20) along the circumferential direction, the cutting edges (21) extend up and down, and chip flutes (22) are formed between adjacent cutting edges (21); the cutting edge (21) extends obliquely from top to bottom, correspondingly, the chip groove (22) extends obliquely from top to bottom, the lower ends of the cutting edge (21) and the chip groove (22) are both arranged obliquely along the clockwise direction, and the lower end of the chip groove (22) is arranged in a gradually-reduced closing-up manner along the clockwise direction; the PCD cutter head (20) is provided with a cutting groove (23) surrounding the periphery of the PCD cutter head (20), the cutting groove (23) extends along the circumferential direction, and the cutting groove (23) is provided with an opening at the outer side; the cutting groove (23) is positioned at the middle section of the PCD cutter head (20); the groove profile of the cutting groove (23) comprises an upper end surface (231), a lower end surface (232) and a middle transition surface (233) connected between the upper end surface (231) and the lower end surface (232), wherein the upper end surface (231) extends upwards from inside to outside, the lower end surface (232) extends downwards from inside to outside, and the middle transition surface (233) is connected between the inner ends of the upper end surface (231) and the lower end surface (232); the upper end face (231) extends upwards from inside to outside in an inclined manner, the lower end face (232) extends downwards from inside to outside in an inclined manner, and the middle transition face (233) extends vertically;

a blade head (24) is formed at the upper end of the cutting blade (21).

2. The PCD multi-edged side mill having a U-shaped milling flute as claimed in claim 1, wherein: the included angles between the upper end face (231) and the lower end face (232) and the middle transition face (233) are 135 degrees.

3. The PCD multi-edged side mill having a U-shaped milling flute as claimed in claim 1, wherein: the length of the knife handle (10) is 49mm, the length of the knife neck (11) is 7mm, and the length of the PCD knife head (20) is 4 mm; the length of the cutting groove (23) is 1.5 mm.

4. The PCD multi-edged side mill having a U-shaped milling flute as claimed in claim 1, wherein: the diameter of the tool shank (10) is 9.99mm to 10mm, the diameter of the PCD tool bit (20) is 7.98mm to 8.02mm, and the diameter of the cutting groove (23) is 6.48mm to 6.52 mm.

5. An ultrasonic vibration milling machine characterized in that: the ultrasonic machine table comprises an ultrasonic machine table body, wherein the ultrasonic machine table body is provided with a main shaft, and a PCD multi-edge side milling cutter with a U-shaped milling groove is installed on the main shaft according to any one of claims 1 to 4.