CN211680196U

CN211680196U - Milling cutter and milling machine tool for machining inner side groove of spiral groove

Info

Publication number: CN211680196U
Application number: CN201921292359.5U
Authority: CN
Inventors: 黄健敏
Original assignee: Foshan Shunde Guoqiang Daosheng Industrial Co ltd
Current assignee: Foshan Shunde Guoqiang Daosheng Industrial Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-10-16
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a milling cutter and be used for processing milling machine tool in helicla flute inside groove, the cutter arbor, rotatable milling cutter head is equipped with on the cutter arbor top lateral wall, milling cutter head is connected with the rotary mechanism who adorns in the cutter arbor, stretch into spiral shape recess with milling cutter head through the cutter arbor in, and make milling cutter head and recess inside wall support tightly, it is rotatory to make rotary mechanism through milling cutter unit, and then make milling cutter head carry out rotatory milling, main shaft unit makes the work piece rotate, make milling cutter head remove in the recess of work piece, mill simultaneously, make milling speed obtain accelerating, the recess of adaptable different shapes simultaneously, improve milling cutter's suitable width.

Description

Milling cutter and milling machine tool for machining inner side groove of spiral groove

Technical Field

The utility model relates to a mill the field, especially relate to a milling cutter and a mill lathe that is used for processing helicla flute inside groove.

Background

In milling process, need carry out the processing of fluting to the inside wall of work piece recess, the processing finished product is as shown in figure 8, and push away the scraping to the recess inside wall through stretching into the recess with the slice tool bit in the current milling process, and this kind of processing mode exists machining efficiency low, processing quality can not guarantee, the cutter is fragile, can not carry out the shortcoming of fluting to the recess inside wall of special shape.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a milling cutter.

The utility model provides a technical scheme that its technical problem adopted is:

the milling cutter comprises a cutter bar, wherein a rotatable milling cutter head is arranged on the side wall of the top of the cutter bar, and the milling cutter head is connected with a rotating mechanism arranged in the cutter bar.

As a preferred item, the rotating mechanism includes an air duct cavity located in the center of the cutter bar and an impeller located above an air outlet of the air duct cavity, and the impeller is mounted on a rotating shaft of the milling head.

As a preferred item, the rotating mechanism includes a transmission bevel gear and a rotating bevel gear vertically engaged with the transmission bevel gear, and the rotating bevel gear is mounted on the rotating shaft of the milling head.

The utility model also provides a milling machine for processing helicla flute inside groove, its technical scheme who adopts is:

a milling machine tool for processing inner side grooves of spiral grooves, comprising a machine table, a main shaft unit and a milling cutter unit, wherein the head of the main shaft unit is provided with a chuck, and the milling cutter unit is provided with a milling cutter according to any one of claims.

As a preferred aspect, the spindle unit is divided into a main spindle unit and a sub spindle unit, and the milling cutter unit is divided into a main milling cutter unit corresponding to the main spindle unit and a sub milling cutter unit corresponding to the sub spindle unit.

As a preferred option, an auxiliary X-axis rail is mounted on the machine table, an auxiliary Z-axis rail is mounted on the auxiliary X-axis rail, and the auxiliary Z-axis rail is mounted at the bottom of the auxiliary spindle unit; the auxiliary milling cutter unit is arranged on an auxiliary Y-axis rail, and the auxiliary Y-axis rail is fixed on the machine table.

As a preferred option, the positive milling cutter unit is fixed on the machine table, and the positive milling cutter unit is mounted on the positive triaxial line rail.

As a preferred item, tool magazines are arranged on the front milling cutter unit and the auxiliary milling cutter unit.

Preferably, the tail parts of the main spindle unit and the auxiliary spindle unit are provided with oil cylinders for supplying oil to the chucks.

As a preferred item, the main shaft unit and the auxiliary shaft unit are provided with brakes.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a milling cutter of the present invention;

fig. 2 is a schematic view of a rotating mechanism according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a rotating mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of a second embodiment of the rotating mechanism of the present invention;

fig. 5 is a schematic perspective view of the milling machine of the present invention;

FIG. 6 is a schematic view of the auxiliary spindle unit and the auxiliary milling cutter unit of the present invention;

fig. 7 is a schematic view of a positive spindle unit and a positive milling cutter unit of the present invention;

fig. 8 is a schematic view of the processing effect of the present invention.

Detailed Description

Referring to fig. 1, in the processing process, the inner side wall of the groove of the workpiece needs to be grooved, the processing effect is as shown in fig. 8, and the existing milling process usually pushes and scrapes the inner side wall of the groove by extending a sheet-shaped cutter head into the groove, the processing mode has low processing efficiency, the processing quality can not be guaranteed, the cutter is easy to damage, secondly, the processing mode is only suitable for the linear groove, and can not be suitable for processing the inner side wall of the groove with special shape, such as spiral shape, etc., therefore, the utility model provides a milling cutter, which comprises a cutter bar 1, a rotatable cutter head 2 is arranged on the side wall of the top of the cutter bar 1, the cutter head 2 is connected with a rotating mechanism 3 arranged in the cutter bar 1, the cutter head 2 is extended into the groove by the cutter bar 1, and the cutter head 2 is abutted against the inner side wall of the groove, the cutter head 2, the milling cutter head 2 can mill along with the cutter bar 1, so that the milling speed is accelerated, the milling cutter head can adapt to grooves of different shapes, and the application range of the milling cutter is improved.

Referring to fig. 2 and 3, in the first embodiment of the rotating mechanism, when the volume of the inner cavity of the groove is small, the rotating mechanism 3 may adopt a pneumatic mode, and includes an air duct cavity 31 located in the center of the cutter bar 1 and an impeller 32 mounted on the rotating shaft of the milling cutter head 2, the impeller 32 is located above an air outlet 300 of the air duct cavity 31, and by connecting the bottom of the cutter bar 1 with an external high-pressure air pipe, the high-pressure air blows to the impeller 32 through the air duct cavity 31, so that the impeller 32 rotates and drives the milling cutter head 2 to rotate.

In the second embodiment of the rotating mechanism, referring to fig. 4, when the volume of the cavity of the groove is large and the area to be milled is also correspondingly large, the rotating mechanism 3 may adopt a mechanical transmission mode, which includes a rotating bevel gear 34 installed on the rotating shaft of the milling head 2 and a transmission bevel gear 33 vertically engaged with the rotating bevel gear 34, and the external transmission rod is inserted into the cutter bar 1 and connected with the transmission bevel gear 33, so that the transmission bevel gear 33 rotates the rotating bevel gear 34 and drives the milling head 2 to rotate.

Referring to fig. 5, the utility model provides a mill lathe for processing helicla flute inside edge groove still, which comprises a worktable 4, main shaft unit 5, milling cutter unit 6, chuck 7 is equipped with to main shaft unit 5 head, be equipped with an foretell milling cutter on milling cutter unit 6, be fixed in on chuck 7 with the work piece, go deep into in the helicla flute of work piece with milling cutter again, and support milling cutter and recess inside wall tightly, milling cutter unit 6 carries out the air feed for milling cutter, or be the milling cutter transmission through the transmission shaft, make milling cutter head 2 take place to rotate, main shaft unit 5 rotates the work piece, make milling cutter remove in the helicla flute of work piece, milling cutter slots on the inside wall of helicla flute simultaneously, it is fast to make the lathe that mills have a process velocity, the advantage.

Referring to fig. 6 and 7, in order to improve the machining efficiency of the single machine base 4, the spindle unit 5 is divided into a main spindle unit 51 and a sub spindle unit 52, the milling cutter unit 6 is divided into a main milling cutter unit 61 corresponding to the main spindle unit 51 and a sub milling cutter unit 62 corresponding to the sub spindle unit 52, and the milling is simultaneously performed by the spindle unit 5 and the milling cutter unit 6 in two sets.

Referring to fig. 6, in order to adjust the positions of the sub spindle unit 52 and the sub milling cutter unit 62, a sub X-axis rail 8 is installed on the machine table 4, a sub Z-axis rail 9 is installed on the sub X-axis rail 8, and the sub Z-axis rail 9 is installed at the bottom of the sub spindle unit 52; the auxiliary milling cutter unit 62 is mounted on the auxiliary Y-axis rail 10, and the auxiliary Y-axis rail 10 is fixed to the machine table 4.

Referring to fig. 7, the positive milling cutter unit 61 is fixed to the machine base 4, the positive milling cutter unit 61 is mounted on the positive triaxial rail 11, and the position of the positive milling cutter unit 61 is adjusted by the positive triaxial rail 11.

Referring to fig. 6 and 7, in order to facilitate replacement of the tool bits, a tool magazine 12 is installed on the milling cutter unit 6; in order to enable the chuck 7 to firmly fix a workpiece, the chuck 7 adopts a hydraulic chuck 7, and an oil cylinder 13 for supplying oil to the chuck 7 is arranged at the tail part of the main shaft unit 5; in order to brake the spindle unit 5 in time, a brake 14 is provided on the spindle unit 5.

According to the above principle, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention.

Claims

1. The milling cutter is characterized by comprising a cutter bar (1), wherein a rotatable milling cutter head (2) is arranged on the side wall of the top of the cutter bar (1), and the milling cutter head (2) is connected with a rotating mechanism (3) arranged in the cutter bar (1).

2. Milling cutter tool according to claim 1, characterized in that the rotation mechanism (3) comprises an air channel (31) in the center of the tool holder (1), an impeller (32) above the air outlet (300) of the air channel (31), the impeller (32) being mounted on the spindle of the milling cutter head (2).

3. Milling cutter tool according to claim 1, characterized in that the rotation mechanism (3) comprises a drive bevel gear (33), a rotation bevel gear (34) engaging perpendicularly with the drive bevel gear (33), which rotation bevel gear (34) is mounted on the rotation axis of the milling head (2).

4. A milling machine for machining inner grooves of spiral grooves, comprising a machine table (4), a spindle unit (5), a milling cutter unit (6), characterized in that the head of the spindle unit (5) is provided with a chuck (7), and the milling cutter unit (6) is provided with a milling cutter according to any one of claims 1 to 3.

5. A milling machine tool for machining helical groove inside grooves according to claim 4, characterized in that the spindle unit (5) is divided into a positive spindle unit (51), a sub spindle unit (52), and the milling cutter unit (6) is divided into a positive milling cutter unit (61) corresponding to the positive spindle unit (51), a sub milling cutter unit (62) corresponding to the sub spindle unit (52).

6. The milling machine tool for processing the inner side groove of the spiral groove according to claim 5, characterized in that a secondary X-axis rail (8) is arranged on the machine table (4), a secondary Z-axis rail (9) is arranged on the secondary X-axis rail (8), and the secondary Z-axis rail (9) is arranged at the bottom of the secondary main shaft unit (52); the auxiliary milling cutter unit (62) is arranged on an auxiliary Y-axis rail (10), and the auxiliary Y-axis rail (10) is fixed on the machine table (4).

7. A milling machine tool for machining inner side grooves of spiral grooves according to claim 5, characterized in that the positive milling cutter unit (61) is fixed on the machine table (4), and the positive milling cutter unit (61) is mounted on the positive triaxial rail (11).

8. A milling machine tool for machining helical flute inner side grooves according to claim 5, characterized in that the positive milling cutter unit (61) and the negative milling cutter unit (62) are provided with tool magazines (12).

9. The milling machine for processing the inner side groove of the spiral groove according to the claim 5, characterized in that the tail parts of the main spindle unit (51) and the auxiliary spindle unit (52) are provided with oil cylinders (13) for supplying oil to the chucks (7).

10. A milling machine tool for machining helical grooved internal grooves according to claim 5 characterized in that the positive spindle unit (51) and the secondary spindle unit (52) are equipped with brakes (14).