JP2000052169A - Five-surface machining head device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To extremely simplify and compact a structure of a turning mechanism by connecting one of a coupling member with the other only when a turning easing is at a given turning position and by providing other turning casing relatively with the turning casing. SOLUTION: A first turning casing 27 is moved to a standard position and an actuator is operated to inter-engage coupling members 20, 21, and thereby a second turning casing 26 becomes turnable. In this state, by driving a second servo motor, the second turning casing 26 is turned relatively with the first turning casing 27 via a gear, the coupling members 20, 21, bevel gears 22, 23, a spur gear 24, and an inner gear 25. A main shaft 17 provided for this second turning casing 26 is turned. Thus, a plurality of surfaces of a work are machined. The second turning easing 26 turns 180 deg.C in relation to the first turning easing 27 that turns 360 deg.C in relation to a casing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a five-side machining head device which can machine a plurality of surfaces of a work by rotating a main shaft.

[0002]

2. Description of the Related Art A five-face machining head device can machine a plurality of faces of a work, for example, a total of five faces, that is, an upper face and four peripheral faces, without changing settings, which is useful for improving machining efficiency.

[0003] The five-side machining head device has a turning mechanism for turning the main shaft around a turning axis that is not parallel to the main shaft direction. The direction of the main shaft is changed by the turning mechanism, and processing is performed, for example, in the upright position and the lateral position.

[0004]

However, the conventional turning mechanism has a complicated structure, and the entire head device is large and heavy.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a five-sided machining head device which has a very simple and simple structure and is easy to reduce in size and weight.

[0006]

According to the present invention, a casing (4) is provided in a five-face machining head device configured to machine a plurality of faces of a work by rotating a main shaft.
1), the first revolving casing (27) is provided revolvably with respect to the casing (41), and the second casing (26) is revolvably provided with respect to the first revolving casing (27). 17) into the second revolving casing (2).
6), a power shaft (11) for driving the main shaft is disposed in the casing (41), and a power shaft (1) for driving the main shaft is provided.
Bevel gears (12-16) for transmitting the rotation of 1) to the main shaft (17) are provided, and first and second servomotors (28) for rotating the first and second revolving casings (27, 26). , 19) are arranged in a fixed relationship with the casing (41), and coupling members (20, 21) for transmitting the driving force of the second servomotor (19) to the second turning casing (26) are provided. (20) is disposed on the side of the casing (41), the other (20) is disposed on the side of the first turning casing (27), and the coupling member is provided only when the first turning casing (27) is at a predetermined turning position. A five-face machining head device characterized in that one (20) and the other (21) are connected to each other so that the second revolving casing (26) can revolve relatively to the first revolving casing (27). One of the solutions It is set to.

Another solution of the present invention is to provide a five-face machining head device configured to machine a plurality of surfaces of a work by rotating a main shaft, wherein a casing (41) is provided, and a first revolving casing (27) is provided. ) To the casing (4
1), and the second casing (26) is provided so as to be pivotable about the pivot shaft (18) with respect to the first pivot casing (27), and the main shaft (17) is connected to the second casing (27).
A power shaft (11) for driving the main shaft is disposed in the revolving casing (26), and a power shaft (11) for driving the main shaft is disposed in the casing (41) to transmit the rotation of the power shaft (11) for driving the main shaft to the main shaft (17). Bevel gears (12 to 16) are provided, and two (13, 14) of these bevel gears (12 to 15) are
The rotating shaft (18) of the rotating casing (26) is arranged coaxially, one of the bevel gears (13) is arranged on the power shaft side for driving the main shaft, and the other bevel gear (14) is arranged on the main shaft side. This is a five-sided processing head device characterized in that:

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A five-sided machining head device according to the present invention
In a five-face machining head device configured to be able to machine a plurality of surfaces of a work by rotating a main shaft, a casing is provided, a first revolving casing is provided rotatably with respect to the casing, and a second casing is provided with a first casing. A pivot for pivoting the power casing, a main shaft disposed in the second pivot casing, a power shaft for driving the main shaft disposed in the casing, and a shaft for transmitting rotation of the power shaft for driving the main shaft to the main shaft. Coupling for providing gears, disposing first and second servomotors for rotating the first and second revolving casings in a fixed relationship with the casing, and transmitting the driving force of the second servomotor to the second revolving casing. When one of the members is disposed on the casing side and the other is disposed on the first turning casing side, the first turning casing is in a predetermined turning position. Only, by connecting one and the other coupling member has a structure in which the second pivot casing can pivot relative to the first pivot housing.

The first revolving casing can be revolved by 360 ° relative to the casing, and the second revolving casing can be revolved by 180 ° relative to the first revolving casing.

The driving force of the first servomotor can be transmitted to the first turning casing via a worm shaft and a worm wheel.

The driving force of the second servomotor can be transmitted to the second revolving casing via a coupling member, a bevel gear, a spur gear, and an internal gear.

Two of the bevel gears for transmitting the rotation of the main shaft driving power shaft to the main shaft are arranged coaxially with the revolving shaft of the second revolving casing, and one of the bevel gears is connected to the main shaft driving power shaft side. And the other bevel gear can be arranged on the main shaft side.

An actuator for moving one of the coupling members may be arranged in a fixed relationship with the casing, so that both coupling members are engaged and disengaged by the actuator. This engagement / disengagement operation is executed when the first turning casing is at a predetermined turning position.

Another aspect of the five-face machining head device of the present invention is a five-face machining head device having a configuration in which a plurality of surfaces of a work can be machined by rotating a main shaft, wherein a casing is provided, and a first swivel casing is provided. Is provided so as to be pivotable with respect to the casing, the second casing is further provided so as to be pivotable about the pivot axis with respect to the first pivot casing, and the main shaft is disposed in the second pivot casing, and a power shaft for driving the main shaft is provided. Is disposed in the casing, a bevel gear for transmitting the rotation of the power shaft for driving the main shaft to the main shaft is provided, and two of these bevel gears are disposed coaxially with the turning shaft of the second turning casing. One of the bevel gears is arranged on the power shaft side for driving the main shaft, and the other bevel gear is arranged on the main shaft side.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

First, referring to FIG. 1 to FIG.
The turning operation of the main shaft 17 in the surface processing head device 10 will be briefly described.

FIGS. 1 and 2 show the principle of operation of the five-face machining head device of the present invention, in which casings are omitted. FIG. 3 and FIG. 4 are diagrams with casings attached.

The main shaft 17 (second turning casing 26) is set on the second turning casing 26, and the power shaft 1 for driving the main shaft is provided.
1 driven. Power shaft 11 for main shaft drive and main shaft 1
Bevel gears 12 to 16 are arranged between 7, and the driving force is transmitted through these.

The spindle 17 is in the upright position shown in FIGS.
It is pivotable between the lateral positions shown in FIGS. This turning operation is a reversing operation within a range of 180 ° around the turning axis 18.

Two of the power transmission bevel gears 13,
14 is disposed coaxially with the pivot 18. The other two bevel gears 12, 16 are on the drive shaft 11 and the main shaft 1, respectively.
7 and the remaining bevel gear 15 is located between the bevel gears 14 and 16.

When the main shaft 17 (second turning casing 26) turns, the bevel gears 15 and 16 become so-called planetary gears, and revolve around the turning shaft 18 while revolving.

The power for turning the second turning casing 26, that is, the main shaft 17 is moved 180 degrees between the vertical position and the horizontal position.
The power for turning in the range of ° is supplied from a second servomotor described later. The driving force of the second servomotor is transmitted to the second turning casing via the coupling member 21, the bevel gears 22 and 23, and the spur gear 24 and the internal gear 25 described later.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS.

FIG. 5 is a view generally showing an embodiment of a five-sided machining head device according to the present invention, in which casings are omitted. FIG. 6 is a view partially showing a state in which casings of the five-side machining head device of FIG. 5 are attached, and FIG.
FIG. 5 is a perspective view showing a main shaft driving power shaft of the five-side machining head device and its periphery.

The five-side machining head device 10 includes a casing 41 that supports the entire device. Casing 4
1, a main shaft drive power shaft 11 is arranged via a plurality of bearings.

A multi-stage drive unit 42 for driving the main shaft drive power shaft 11 is disposed above the casing 41.

Below the casing 41, the first turning casing 27 is arranged. First turning casing 27
Is rotatable with respect to the casing 41 within a range of 360 °. The turning shaft of the first turning casing 27 is coaxial with the main shaft drive power shaft 11.

Below the first turning casing 27, a second
A turning casing 26 is arranged. The second revolving casing 26 is 180 ° relative to the first revolving casing 27.
Can be turned around the turning shaft 18 in the range of.

In this embodiment, the second revolving casing 26
Of the first turning casing 27 is connected to the turning axis 18 of the first turning casing 27.
It forms an angle of 5 °.

The main shaft 17 is disposed in the second turning casing 26 via a bearing.

The rotation of the main shaft drive power shaft 11 is transmitted to the main shaft 17 via bevel gears 12 to 16.

A first servomotor 28 for turning the first turning casing 27 is arranged in a fixed relationship with the casing 41. A worm shaft 29 is connected to an output shaft of the first servomotor 28. Worm shaft 29
Are in mesh with the worm wheel 30.

The worm wheel 30 is arranged on the outer periphery of the drive shaft 11. The worm wheel 30 is rotatable with respect to the main shaft drive power shaft 11 and is fixedly connected to the first turning casing 26.

When the worm shaft 29 is driven by the first servo motor 28, the first turning casing 26 turns together with the worm wheel 30. The turning axis is coaxial with the rotation axis of the worm wheel 30, that is, the main shaft drive power shaft 11.

The first revolving casing 27 can be supported, for example, by an arm member hanging from a ring member arranged coaxially with the main shaft drive power shaft 11.

First turning casing 26 and casing 41
Between them, a well-known lock mechanism is arranged. Although the lock mechanism will not be described in detail, it can be configured using, for example, a tooth-type coupling and a hydraulic cylinder.

The first turning casing 26 can be firmly fixed to the casing 41 by the lock mechanism.

By releasing the lock mechanism, the first turning casing 26 can be turned within a range of 360 °. Indexing is performed at an arbitrary turning position, firmly fixed again by the lock mechanism, and then processing is performed.

The index lock position can be set, for example, once to several degrees. It may be four places at every 90 ° which is frequently used.

The first revolving casing 27 may be locked at an arbitrary indexing position to perform machining, or the machining may be performed while revolving. On the other hand, the second revolving casing 26 is fixed to the casing 41. It turns with the power of the second servomotor 19 arranged in the relationship.

The output shaft of the second servomotor 19 has a gear 4
3 are connected. A gear 44 is arranged adjacent to the gear 43, and both are meshed. The gear 44 is movable in the axial direction (vertical direction) by an actuator 45. The gear 43 is thicker than the gear 44, and the gear 44 moves in the axial direction within a range where the two mesh with each other.

Under the gear 44, the coupling member 2
0 is connected. The coupling member 20 is moved in the axial direction (vertical direction) together with the gear 44 by an actuator 45 such as a hydraulic cylinder.

The coupling member 21 cooperating with the coupling member 20 is disposed on the first turning casing 27 side. Coupling member 20 on casing 41 side
Of the two coupling members 20, 2
1 engages and disengages. Both coupling members 20, 2
1 indicates that the first revolving casing 27 is at the reference position (0 ° position)
, And can be aligned and engaged.

At the lower end of the shaft of the coupling member 21,
A bevel gear 22 is arranged. The bevel gear 22 meshes with another bevel gear 23 mounted on the free end of a shaft parallel to the pivot 18. A spur gear 24 is disposed near the support-side end of the shaft of the bevel gear 23. The internal gear 25 meshes with the spur gear 24. The shafts of the bevel gear 23 and the spur gear 24 are arranged on the first turning casing 27 via a bearing.

The internal gear 25 has a fixed relationship with the second turning casing 26.

The driving force of the second servo motor 19 is
3 and 44, coupling members 20 and 21, bevel gear 22
, 23, the spur gear 24, and the internal gear 25 to be transmitted to the second revolving casing 26.

The first revolving casing 27 is moved to the reference position (0 ° position) shown in the drawing, and the actuator 45 is operated to engage the coupling members 20 and 21, whereby the second revolving casing 26 can revolve. Becomes

In this state, by driving the second servomotor, the second turning casing 26 can be turned relatively to the first turning casing 27. The second revolving casing 26 is in the standing position shown in FIGS.
And at any position (180 ° range) between the horizontal positions shown in FIG.

The second revolving casing 26 can be supported by using, for example, a stepped ring-shaped member arranged coaxially with the revolving shaft 18. The stepped ring-shaped member is supported by a support portion of the first turning casing 27.

A well-known lock mechanism is arranged between the second turning casing 26 and the first turning casing 27. The lock mechanism can be configured using, for example, a toothed coupling and a hydraulic cylinder.

When the lock mechanism is activated, the two are in a fixed relationship, and when the lock mechanism is deactivated, the second revolving casing 26 can revolve relative to the first revolving casing 27.

The processing may be performed with the second turning casing 26 locked at an arbitrary indexing position, or the processing may be performed while turning.

The five-sided machining head 10 of the present invention includes a vertical machine tool 1 shown in FIG. 8 and a portal machine tool 1 shown in FIG.
Further, it can be easily applied to various other types of machine tools. The machine tool 1 in FIG. 8 includes an XY table, and the five-side machining head 10 is movable in the Z direction.
In the machine tool 1 of FIG. 9, the five-side machining head 10 can move in the XZ direction.

According to the five-side machining head 10 of the present invention,
Not only surface machining but also multi-surface machining is possible, and machining of any part of the circumferential surface of the work is also possible.

The present invention is not limited to the above embodiment. For example, the number of bevel gears for power transmission is not limited to the illustrated one.

[0056]

The five-sided processing head device of the present invention has a very simple and simple structure, and can be easily reduced in size and weight.

[Brief description of the drawings]

FIG. 1 is a view showing the operating principle of a five-sided machining head device according to the present invention, in which casings are omitted in the figure.

FIG. 2 is a view showing the operation principle of the five-sided processing head device of the present invention, in which casings are omitted in the figure.

FIG. 3 shows a state in which first and second revolving casings are attached.
FIG.

FIG. 4 shows a state in which first and second revolving casings are attached.
FIG.

FIG. 5 is a diagram generally showing an embodiment of a five-sided machining head device according to the present invention, in which casings are omitted in the figure.

FIG. 6 shows a casing and a first part of the five-side machining head device of FIG. 5;
-The figure which shows the state which attached the 2nd revolving casing partially.

FIG. 7 is a perspective view showing a main shaft driving power shaft of the five-sided machining head device of FIG. 5 and its periphery.

FIG. 8 is a diagram showing an example in which the five-face machining head device of the present invention is applied to a machine tool.

FIG. 9 is a diagram showing an example of applying the five-sided machining head device of the present invention to another machine tool.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Five-sided processing head device 11 Main shaft drive power shaft 12-16 Bevel gear 17 Main shaft 18 Revolving shaft 19 Second servomotor 20, 21 Coupling member 22, 23 Bevel gear 24 Spur gear 25 Internal gear 26 Second casing 27 1st casing 28 1st servomotor 29 worm shaft 30 worm wheel 45 actuator W work

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeru Yamada 1870 Todekomyoji Temple, Takaoka City, Toyama Prefecture Kitamura Machinery Co., Ltd. F-term (reference) 3C048 BB14 BB20

Claims (7)

[Claims] A casing (41) is provided in a five-face machining head device configured to machine a plurality of surfaces of a work by rotating a main shaft, and a first revolving casing (27) is attached to the casing (41). The second casing (26) is provided so as to be pivotable with respect to the first swing casing (27), and the main shaft (17) is disposed in the second swing casing (26) to drive the main shaft. Shaft (11) is disposed in the casing (41), and bevel gears (12 to 16) for transmitting rotation of the power shaft (11) for driving the main shaft to the main shaft (17) are provided. First and second servo motors (28, 19) for turning the second turning casing (27, 26) are arranged in a fixed relationship with the casing (41), and the second servo motor (1
A coupling member (20, 21) for transmitting the driving force of (9) to the second revolving casing (26) is provided, one of which (21) is arranged on the casing (41) side, and the other (2).
0) is disposed on the side of the first turning casing (27), and only when the first turning casing (27) is at a predetermined turning position, one (20) and the other (21) of the coupling members are connected, A five-side machining head device, wherein the second revolving casing is configured to revolve relatively to the first revolving casing (27). 2. The first swivel casing (27) is swivelable 360 ° relative to the casing (41), and the second swivel casing (26) is swivelable 180 ° relative to the first swivel casing (27). The five-sided processing head device according to claim 1, wherein the head is capable of being processed. 3. A worm shaft (29) and a worm wheel (30) are disposed between the first servomotor (28) and the first turning casing (27), and the first servomotor (28) is interposed therebetween. Driving force to the first turning casing (27)
3. The method according to claim 1, wherein
Surface processing head device. 4. A coupling member (20, 21) and a second member.
Bevel gears (22, 2
3), a spur gear (24), and an internal gear (25) are arranged, and the driving force of the second servomotor (19) is changed to the second by the second gear.
The five-sided machining head device according to any one of claims 1 to 3, wherein the power is transmitted to a revolving casing (26). 5. Two of the bevel gears (12, 15) for transmitting rotation of the main shaft driving power shaft (11) to the main shaft (17) are connected to the second revolving casing (26). The bevel gear (13) is arranged coaxially with the turning shaft (18), one bevel gear (13) is arranged on the power shaft side for driving the main shaft, and the other bevel gear (14) is arranged on the main shaft side. The five-sided processing head device according to claim 1. 6. An actuator (45) for moving one (20) of the coupling members (20, 21) is arranged in a fixed relationship with the casing (41), and the two members (20, 21) are fixed by the actuator (45). 20, 21)
The five-sided processing head according to any one of claims 1 to 5, wherein the five-sided processing head is configured to be engaged and disengaged. 7. In a five-face machining head device configured to machine a plurality of surfaces of a work by rotating a main shaft, a casing (41) is provided, and the first turning casing (27) is attached to the casing (41). The second casing (26) is provided so as to be pivotable about the pivot shaft (18) with respect to the first pivot casing (27), and the main shaft (17) is provided in the second pivot casing (26). , A power shaft (11) for driving the main shaft is disposed in the casing (41), and bevel gears (12 to 12) for transmitting rotation of the power shaft (11) for driving the main shaft to the main shaft (17). 1
6), and two (13, 14) of these bevel gears (12 to 15) are arranged coaxially with the revolving shaft (18) of the second revolving casing (26). (5) A five-sided machining head device, wherein (13) is arranged on the power shaft side for driving the main shaft, and the other bevel gear (14) is arranged on the main shaft side.