JPS5981007A - Gang head exchanging type machine tool - Google Patents

Abstract

PURPOSE:To facilitate to exchange gang heads within a unit with another gang heads via a supporting table by movably providing said supporting table of an exchange device in the side direction thereof outside a portion where said device is arranged. CONSTITUTION:When gang heads 3, 10 within a unit are exchanged with another gang heads, the gang head to be exchanged is supported on a supporting table 15, and an elevation table 14 is brought about to a lowering position, allowing a pinion 28 to be turned. Hereby, a slide table 22 is shifted backward by the engagement of the pinion 28 with a second rack bar 29. The supporting table 15 is also shifted relatively backward with respect to the table 22, and the table 15 rapidly goes back doubled in its shifting speed from an advancing position to a returning position located in the side direction of the exchanging device behind thereof.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a machine with a changing head. The applicant of Kigumi was the first to develop this type of machine tool in 1986-1.
According to No. 67022, for example, as shown in Figure 1, machine C
On aJ, there is a machining unit and multiple gigang heads (e) on its outer periphery.

The machine tool main body (a) consists of an indexing device W (co) on the upper side of the gearing head <c)tg.

On the upper frame (e), there is a central column (f), a plurality of gearing heads (C) on its outer periphery, and an index device on the upper side of the gearing head (C).
A storage device (g) consisting of a In the circumferential direction of the lifting scale of the rising μ・4! platform, the main body of the machine tool, and the storage device (8), the gearing head of
C) to the index position of the gearing head (C).
) from below on the lifting platform (h), and a support stand 0n on the lifting platform (h). A system 91 was constructed in which the storage device (El) and the storage device (El) could be mutually supplied to each gearing head (C).

This thing consists of a multi-layer gearing head (c
) VcL has the advantage of being able to easily deal with multiple workpieces;
When replacing C)' with another gigang head that is stocked separately, there is a small inconvenience that translation replacement [(0) becomes a hindrance.

In order to eliminate this inconvenience, the present invention makes it possible to freely move the support stand of the exchanging device to the outside of the arrangement of the device, so that the gigang head in the unit can be easily exchanged with another gigang head via the support stand. The purpose of this machine is to provide a machine that can be obtained, and includes a processing unit and a plurality of gearing heads on the outer periphery of the processing unit.

A machine tool main body consisting of an index device above the gearing head that selects the gearing head, a central support on the upper frame, a plurality of gearing heads around the outer periphery, and an indexing device above the gearing head that selects the gearing head. A storage device consisting of a storage device consisting of a machine tool main body and a lifting platform provided with an elevating and descending position between a machinist's position facing the machine tool main body and a raised position facing the storage device, and a lifting platform consisting of the machine tool main body and the storage device. In a gang head interchangeable type 1 machine machine equipped with an exchange device consisting of a support stand on the lifting platform that extends to the index position of the gearing head on the circumferential side of the device and supports the gearing head from below, , characterized in that the exchanger can be moved slightly forward and backward by a forward and backward mechanism provided in the Jj# master stand between the forward position facing the index position of the gearing head and the backward position on the outside of the arrangement part of the exchanger.

Next, the present invention will be explained with reference to embodiments shown in FIG. 2 and below.

In the drawing, the figure indicates the machine body;

A processing unit (2), a plurality of gearing heads (3) on the outer periphery of the processing unit (2), and an upper index device f (4) for selecting the gearing heads (3) are provided on the lower machine base (1). The indexing device (4) is configured to apply any one of the gearing heads (3) to the force unit (2).
By selecting the front surface of the machine and moving it forward together with the processing unit (2), the workpiece (5) in front can be processed by the gearing head (3).

To explain this in more detail, the processing unit (2) is configured to be able to move back and forth by the feed table (6) below it, and the front movable rail (7) is attached to the outer periphery of the retreated position.
Annular rails (7) consisting of a) and a rear fixed rail (7b) are provided in upper and lower two stages, and the gearing head (3) is supported in a suspended manner on the outer periphery and can freely run along the annular rails (7). For example, there are four gigantic heads (3) on the circumference.

A storage device (11) is placed above the machine tool body (2), and an exchange device (0) extending between the machine tool body and the storage device (11) is placed on the outside.

The storage device (c) includes a circular support (9) on a pedestal (8) installed above the machine tool main body, a plurality of gearing heads QQ on the outer periphery thereof, and a column for selecting the gearing head aq. and an upper indexing device αV.

To be more specific, annular rails (6) are arranged in two upper and lower stages in parallel on the outer periphery of the support column, and the gearing head CIQ
is supported in a suspended manner on its outer periphery and is provided so as to be freely movable along this. In this case, the gearing head oa B
: It would be better to provide a plurality of, for example, five, on the circumference, but one of them was removed in advance and prepared in the conversion space a.

The indexing device t (4) CLυ provided in the machine tool main body (4) and the storage device (81) is a Geneva gear type indexing device (t) that rotates the gearing head.
4a) (lla) and a Geneva gear mechanism with a Geneva gear mechanism (4d valve l1dJ) pivoted via a gear reducer (4cJ (11cJ) by a motor (4bJ (llb)); By intermittent rotation of the tables (4a) and (11a) at a predetermined angle as the table (4a) (Ild) rotates, the valley gearing head is sequentially selected at the index position of the Ffr foot.

The changeover mechanism (0,>) includes a lifting platform A4 that can be raised and lowered between a lowered position facing the machine 4fi machine body (2) and a raised position facing the storage device (II ) and a support base (C) on J4 extending to the index position of the gearing head on the rear side in the circumferential direction of the storage device (C) and supporting the gearing head from below. Holder parts on both sides aIIIl
C) is supported so as to be able to rise and fall freely, and is supported by a motor or other drive source 01.
It was assumed that the elevator was raised and lowered via a chain (e).

The above is not particularly different from the above-mentioned tea tea, but according to the present invention, the support stand aQ is placed at the index position of the gearing head on the rear side in the circumferential direction as shown in Fig. 3. Between the position and the retracted position of the thin ice at one point on the outside of the placement part of the JJ (that is, the back and outside), a mechanism Qυ provided in the elevating platform <141 is provided so that it can freely move forward and backward; stand a1
is moved to the retreat position, and the part diameter of the arrangement part of the head exchanger (0) is removed from the gearing head and other gearing heads stored separately in the unit consisting of the machine tool main body and the storage device 0 layer. It was possible to perform the test without being disturbed by the device (JJ) on the outside.

This will be explained in detail in □. In the illustrated example, the elevator platform Q4
As clearly shown in Figures 4 and 5, the slide table @ is connected to one rail (22a) and the other rail receiver (1).
4a) is provided so that the support base (to) can move forward and backward in the forward and backward direction, and furthermore, a lift base that is moved up and down by a lift cylinder (2) and a parallel link (2) is provided at 11IO, and the lift FI
iJ is supported so that it can move forward and backward in the opposite direction, and the support base Qfj is provided with a first rack extending in the forward and backward direction, that is, in the front-rear direction. ) is engaged with the pinion connected to ), and a second rack bar @ fixed to the lifting platform Q4 is engaged with the binion opposite to the twelfth puller 9. Advancement and retreat @ structure Qυ was constructed.

In the case of the one shown in the figure, there is a 2-piece piece on the support base that engages with the lower side surface of the gearing head. Due to the up and down movement of the support base (or 9) as the slide table (2) moves, the engagement and disengagement operations are performed via a linkage mechanism (e) provided between the support base Or9 and the slide table (2).

Further, a retaining member of the interlocking mechanism cIυ for the striped table (2) is slidably engaged with a longitudinally elongated daito bar provided on the slide table (2).

To explain this in more detail, the interlocking device s0 and the support stand (
(to) is provided with an M1 link as a retaining member whose one end is connected to the kite bar 04 and the other end is swingably and slidably engaged with the kite bar 04. The structure is such that the swinging of the first link causes swinging of the swinging arm that comes into contact with the flange piece (to) via the second link, and in the upward movement position of the support As shown in the illustration of the M5 actual removal, the second guide bar of the first link Q is pushed by the swing arm and engaged with the gearing head, and the guide bar of the first link Q is moved forward and backward of the support base OFj. This state is maintained by sliding against the support base (2), and by the downward movement of the support base 01, this is maintained by the counterclockwise rotation of the swing arm (2), as shown in Figure 5. The clamp piece (30a,) is disengaged from the clamp piece (30a,) and is given a detachment action from the gearing head by the spring (30a,).

Next, to explain its operation, each gearing head (3J Lift up 01 and attach it to the circular rail (
7) Identify this on the support stand aQ by means of the clamp through together with the metal scrap engaged with (6), and then the valley by a slight retraction of the support stand Ql via the 12th puller) by the pinion. Guyang head <3) jJQ to the rail (7
) is carried out by pulling out the rear of the θ path, and each gank head (37 (19) is carried out by the forward and downward movement of the support base (g), and this is normally done. The attachment/detachment operation and the lifting/lowering operation of the JA-table (14) make it possible to convert the gearing head into cash within the unit consisting of the machine tool body and the JFf storage device (if).

Next, when replacing any of the gearing heads in this unit with another gearing head that is separately stocked, place the gearing head to be replaced in the unit on the support stand 0.
19, and the binion @ can be rotated with the lifting platform a4 in the lowered position.According to this, by joining the binion (to the binion) and the 22nd puller (to the system slide table)
is moved rearward, and the support base (which engages the binion (e) at the first rack part) is also given a rearward movement relative to the slide table @;
As a result, the support stand (c) moves at double speed and is quickly withdrawn from the forward position to the retracted position on the rear side of the exchanger C.

In addition, during this withdrawal movement, the gearing head on the p support base (to) is fixed in the upper movement position using a clamp loop, and the gearing head on the p support base (to) is moved downward in the retreat position. Unfasten the Guyang Head from Cransloo and replace it with another Guyang Head.

In this way, according to the present invention, the gearing head in the unit consisting of the machine tool body and the storage device above the machine tool body is
It can be exchanged with another gearing head on the outside of the arrangement part of the exchanger through the support stand of the exchanger head equipped with the exchanger ft [equipped with a supporter for the exchanger ft]. It has the effect of

[Brief explanation of the drawing]

Figure 1 is a side view of the machine tool according to the previous proposal, Figure 2 (t) is an example of the machine tool of the present invention (0 view, Figure 3 is its top view, Figure 4 is the same as Figure 3). y-yH cutaway side view, Figure 5 is a cross-sectional view taken along the ■-v line in Figure 4. (AJ...Machine tool body (B)...Storage device (
υuh... exchange device

Claims (1)

[Claims], 1. A machine tool main body, which includes a processing unit, a plurality of gearing heads around the outer periphery of the processing unit, and an indexing device above the gearing head for selecting the gearing heads, on a machine stand;
On the upper frame, there is provided a storage device consisting of a central column and an indexing device on the upper side for selecting aa number of gearing heads on the outer periphery and % of the gearing head t'', and on the outside thereof, the machine tool main body. A lifting platform that can be raised and lowered between a lowered position facing the machine tool body and a raised position facing the storage device, and a lifting platform that extends to an index position of the gearing head on the circumferential side of the machine tool body and the storage device to operate the gearing head from below. In a gearing head conversion type 1 machine machine having a changing device xt consisting of a supporting platform on the lifting platform, the supporting platform has a forward position l facing the index position of the gearing head and an outside of the arrangement part of the changing device. A gearing head exchangeable type 1 machine, characterized in that the machine is capable of moving forward and backward between the retracted position of the supporting table and the retracting position of the supporting table.2. A slide table is provided, and a movable lift table is provided above the slide table, and the support table is supported on the lift table so as to move forward and backward, and a twelfth pull bar is provided on the support table extending in the forward and backward direction of the support table. When a pinion connected to a rotational source provided on the slide table is engaged with the first puller, □
Both of them are characterized in that a fixed M2 rack par is provided on the lifting platform, which is secured to the binion so as to face the first rank par, thereby configuring the advance:kh mechanism. Item H Self-equipped gigang head convertible type 1 machine.