JP3616513B2 - Machine tool chip bucket - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a chip bucket in a machine tool for collecting relatively coarse chips such as powdered chips (such as graphite and ceramics) and metal.
[0002]
[Prior art]
In the cutting of machine tools, wet processing (processing while applying cutting fluid) and dry processing (processing without applying cutting fluid) are performed. In this case, the chip bucket used for collecting chips generated by the dry process and the wet process is switched. Moreover, even in the same dry processing, the chip bucket is properly used depending on the material processed with fine and large chips.
[0003]
For example, collecting large pieces of chips, such as metal processing by dry processing, or drilling holes on the bottom surface of the chip bucket during wet processing and superimposing chips on the bottom surface, and dropping and collecting cutting fluid from the holes, or dry processing When processing graphite or ceramics by the method, a suction device is provided to collect dust-like chips generated by the processing, or various buckets are exchanged to collect chips. However, trouble remains in exchanging buckets. (See, for example, JP-A-8-47839)
[0004]
[Problems to be solved by the invention]
That is, conventionally, two types of chip buckets for powders such as graphite and metal have to be prepared, and it is difficult to replace the buckets, and at the same time keep unused buckets in another place. Was troublesome.
[0005]
An object of the present invention is to provide a chip bucket for a machine tool capable of collecting powdery chips such as graphite and relatively coarse chips such as metal with a single chip bucket.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention forms a hopper-shaped chip receiver in a chip bucket in the case of processing of graphite or the like and sucks it from below with a dust collector. In the case of metal processing, the hopper-shaped chip receiver is By deforming and closing the bottom hole and closing it with a lid, it can be used as a normal drawer type bucket, and it can collect powder such as graphite and metal chips with one bucket. It is configured as follows.
[0007]
(1) A chip bucket of a machine tool that is provided below a machining area surrounded by a splash guard and collects falling chips,
The chip bucket is composed of a bottom hole communicating with a chip suction means provided outside the splash guard, and a funnel-shaped hopper member that extends upward from the bottom hole and opens to the processing region ,
The funnel-shaped hopper member includes a drop lid that allows a part of the sloping face material of the chip bucket in the drawing direction to be movable and closes the bottom hole, and the sloping face material overlaps the bottom plate of the bucket. sometimes, chips bucket of a machine tool the bottom hole consisting Rukoto be closed by the drop lid.
(2) a funnel-shaped hopper member opening into the processing region is made in a triangular pyramid or a quadrangular pyramid shape extending from the bottom hole upward, at least the the one side surface thereof is provided so as to defeat the bucket bottom (1) above, wherein machine tool of the chip bucket.
[0008]
[Action]
The chip bucket of the machine tool according to the present invention, when the bottom hole connected to the chip suction means is not closed, the dust collecting means via the bottom hole connecting the powdered chips by processing such as graphite to the chip dust collecting means. In the case of normal cutting, fold one side of the funnel-shaped hopper member into a superposed body on the bottom plate, and drop it into the bottom hole connected to the chip dust collecting means to engage the lid. By closing the bottom hole, chips can be received in the chip collection bucket.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is an explanatory view of a machine tool showing an embodiment as an overall apparatus equipped with a chip bucket according to the present invention, FIG. 2 is a side view showing the configuration of the chip bucket, and FIG. 3 is a plan view in the direction of arrow A in FIG. is there.
[0010]
FIG. 1 is a partial side view in which a chip bucket according to the present invention is applied to a vertical milling machine 1, and a chip collection bucket 3 is provided at a lower position of a splash guard 5 in a state where it can be pulled out.
[0011]
In order to explain the schematic configuration of the vertical milling machine 1, a ram 11 that moves back and forth in the horizontal direction is provided on the upper surface of the column 9 on the base 7, and a spindle head 13 is supported vertically downward on the tip side of the ram 11. A work table 17 on which the work 15 is placed is supported on the column 9 via a knee 19 below the spindle head 13. The splash guard 5 is provided so as to surround the machining area including the spindle head 13 and the work table 17.
[0012]
As described above, the chip collection bucket 3 is provided at the lower position of the splash guard 5 in a state where it can be pulled out. For this reason, a recess 21 is formed in the lower position of the splash guard 5 so that the chips gather while entering the chip collection bucket 3, and the chip collection bucket 3 can be pulled out in the recess 21 portion. Is provided.
[0013]
An opening 25 connected to the suction passage 23 formed in the base 7 is opened on the bottom surface of the recess 21, and a dust collector 27 is connected to the other end side of the suction passage 23. The opening 25 is provided at a position corresponding to a powder chip discharge port 31 formed in the bottom plate 29 of the chip collection bucket 3 when the chip collection bucket 3 is inserted to the back of the recess 21. .
[0014]
Next, the configuration of the chip collection bucket 3 will be described.
In particular, as shown in FIGS. 2 and 3 as a side view and a plan view, the chip collecting bucket 3 is formed with cutting chips that fall along the splash guard 5 provided on the upper part on the lower bottom plate 29. A four-side funnel-shaped hopper 33 is formed so as to guide to the powder chip discharge port 31, and the lower side 37 a of the funnel surface plate 37 is connected to the bottom side portion of the bottom plate 29 that is one edge of the powder chip discharge port 31. They are connected by a hinge 39 and can be folded in a superimposed state on the bottom plate 29 on the front plate 35 side. The upper edge of the back side plate 41 forming the four-side funnel-shaped hopper 33 is joined to the upper edge of the chip collecting bucket 3, and the lower edge is the same as the inner side of the powder chip discharge port 31. It is joined to the edge. Similarly, the upper edges of the side plates 43 and 45 forming the four-side funnel-shaped hopper 33 are joined to the upper edges of both sides of the chip collecting bucket 3, and the lower edges thereof are both sides of the powder chip discharge port 31. The four-side funnel-shaped hopper 33 is provided with the powder chip discharge port 31 below by the funnel face plate 37, the back side face plate 41, and the both side face plates 43 and 45. In addition, when the funnel face plate 37 on the front plate 35 side is folded in a superimposed state on the bottom plate 29 as shown by a broken line in FIG. A partition plate may be provided as appropriate so that chips do not enter.
[0015]
Further, the front plate 35 is provided with a drawer handle 35a, and an upper side portion of the front plate 35 is provided with an upper plate 35b serving as a partial upper surface cover of the chip collecting bucket 3, and the funnel face plate 37 A locking mechanism is provided so that the upper edge 37 b can be locked appropriately, and the face plate 37 forms a four-side funnel-shaped hopper 33 together with the other face plates 41, 43, 45. A lower side 35c of the front plate 35 is coupled to a front edge of the bottom plate 29 of the chip collecting bucket 3 with a hinge 47 so that it can be tilted to the near side. The position of the hinge 47 is provided in front of the tip position when the funnel face plate 37 is folded on the bottom plate 29, and the front plate 35 is a normal front plate of the chip collecting bucket 3. As configured, the both side plates of the chip collecting bucket 3 can be kept locked by appropriate means.
[0016]
As described above, in the state where the upper edge 37b of the funnel face plate 37 is locked to the upper side portion of the front plate 35 and the four face funnel-shaped hoppers 33 are formed together with the other face plates 41, 43, 45, both side edges of the face plate 37 are in phase with each other. The side plates 43 and 45 that are adjacent to each other and the face plate joining engagement lines 49 and 49 are engaged with each other.
[0017]
Machine tool base corresponding to the lower part of the opening of the bottom of the four-sided funnel in a state where the chip collecting bucket 3 in the above state is inserted into a recess 21 formed at a position where chips below the splash guard 5 are dropped and collected. At the position, the opening 25 connected to the suction passage 23 connected to the dust collector 27 is connected to the powder chip discharge port 31 below the four-side funnel-shaped hopper 33 (at this time, the dropping lid is excluded), Powder chips generated by cutting such as graphite are guided by the face plates 37, 41, 43 and 45 of the four-side funnel-shaped hopper 33 and gather at the powder chip discharge port 31 at the lower position, and fall into the dust collector 27. With this operation, the air can be discharged to the outside through the suction passage 23.
[0018]
The powder chip discharge port 31 provided on the lower bottom plate 29 of the four-side funnel-shaped hopper 33 can be closed with a drop lid 51, and the powder chip discharge port 31 is closed with the drop lid 51. When the funnel face plate 37 is folded on the bottom plate 29 in a superposed state, the chip collecting bucket 3 becomes a mere drawer-shaped chip collecting bucket, and can be used as a metal bucket collecting bucket. In this case, the front plate 35 is tilted to the front side as indicated by the broken line in FIG. 2 with the hinge 47 as the center, so that the metal chips can be scraped out and discharged by appropriate means by the chip collection bucket 3.
[0019]
【The invention's effect】
According to the present invention, a chip bucket of a machine tool can collect powdery chips and relatively coarse chips such as metal by one bucket.
That is, by connecting the opening 25 connected to the chip suction passage 23 connected to the dust collector 27 to the powder chip discharge port 31 below the four-side funnel-shaped hopper 33, the face plates 37 and 41 of the four-side funnel-shaped hopper 33 are connected. , 43, 45, the powder chips generated by cutting such as graphite gathered at the powder chip discharge port 31 at the lower position and dropped to the outside through the chip suction passage 23 by the operation of the dust collector 27. It can be discharged reliably.
[0020]
Further, when the powder chip discharge port 31 is closed by the dropping lid 51 and the funnel face plate 37 is folded on the bottom plate 29, the chip collection bucket 3 becomes a mere drawer-shaped chip collection bucket 3 having a large capacity. It can be effectively used as a collection bucket for metal chips.
[Brief description of the drawings]
FIG. 1 is a side view of a machine tool showing an embodiment as an overall apparatus including a chip bucket according to the present invention.
FIG. 2 is a side view showing the configuration of the chip bucket shown in FIG.
3 is a plan view taken along line A in FIG.
[Explanation of symbols]
1 Vertical Milling Machine 3 Chip Collection Bucket 5 Splash Guard 21 Recess 23 Suction Passage 25 Opening 27 Dust Collector 29 Bottom Plate 31 Powder Chip Discharge Port 33 Four-Face Funnel Hopper 35 Front Plate 37 Funnel Face Plate 39 Hinge 41 Back Side Plates 43 and 45 Side Face plate 47 Hinge 51 Drop lid

Claims (2)

A chip bucket of a machine tool that is provided below a machining area surrounded by a splash guard and collects falling chips,
The chip bucket is composed of a bottom hole communicating with chip suction means provided outside the splash guard, and a funnel-shaped hopper member that extends upward from the bottom hole and opens to the processing region .
The funnel-shaped hopper member includes a drop lid that allows a part of the sloping face material of the chip bucket in the drawing direction to be movable and closes the bottom hole, and the sloping face material overlaps the bottom plate of the bucket. sometimes, chips bucket of a machine tool the bottom hole was characterized by that you closed by the drop lid. The chip of a machine tool according to claim 1, wherein the funnel-shaped hopper member opened in the machining area has a triangular pyramid or a quadrangular pyramid shape extending upward from the bottom hole, and is provided so that at least one side surface thereof can be tilted to the bucket bottom side. bucket.

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