JPH047872Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a chip processing device, and more particularly to a chip processing device for a processing machine having a plurality of indexable stations.

[Conventional technology]

When there are multiple stations, each station is equipped with its own coolant discharge device and air blow device to dispose of chips after machining the workpiece on the station while sequentially indexing the stations. It was common to flush away chips and clean processing machines.

[Problem that the invention attempts to solve]

However, in the case of the above-mentioned conventional technology in which each station is provided with a coolant discharge or air blow device, there is a problem in that each device occupies a large area, and the entire processing machine becomes larger accordingly. In addition, if each station is equipped with a dedicated coolant discharge or air blow device,
There may be cases where it is not possible to deal with changes in the machining position.

This idea was proposed in view of the above circumstances.
Coolant can be discharged and air blowed to all stations with one simple device.
Moreover, it is an object of the present invention to provide a chip processing device for a processing machine that can simultaneously detect a workpiece.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention includes a turning table that can be indexed in the horizontal direction, a workpiece that is placed at a specific peripheral position on the turning table, and a workpiece that is mounted on the turning axis of the turning table. a support body suspended from one end of a base that supports the table; a plurality of coolant nozzles that are detachably attached to the support body and eject coolant toward a workpiece on the table; A conductor is provided along the conductor to guide air, an air blow nozzle is provided on a part of the conductor and blows air toward the workpiece on the table, and an air blow nozzle is provided on a part of the conductor to detect the presence or absence of the workpiece on the table. A chip processing device for a processing machine, comprising a workpiece detection means for detecting the workpiece, and removing chips on the workpiece by a jet from the coolant nozzle and the air blow nozzle.

[Effect]

After wiping the table top of the first station with a conductive air nozzle, a workpiece is placed on the table and indexed to each station one after another to perform predetermined processing. During machining, coolant is continuously discharged from a coolant nozzle attached to the support to wash away chips generated on the workpiece. On the other hand, the presence or absence of a workpiece is constantly checked using a workpiece detection means.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in more detail based on the drawings.

First, the entire processing machine will be explained with reference to FIG.

Workpiece W is transferred to workpiece conveyor C by robot etc.
It is transported upwards. The workpiece W is gripped by the rotating back and forth movement of the manipulator R installed at the front of the processing machine M (lower part in the figure) and the gripper R ₁ of the manipulator R, and then transferred to the loading/unloading station ST ₁ of the processing machine M.
Transport to.

The workpiece W placed on the workpiece mounting table 56 of the loading/unloading station ST ₁ is transferred to the workpiece centering device 50
Centered by. That is, the centering cylinder 51 of the workpiece centering device 50 disposed at the tip of the processing machine M is driven, and the frame 53 and centering member 54 are moved through the bracket 52 at the tip of the cylinder rod 51a.
By opening and closing, the hub portion of the workpiece W is sandwiched and centering is performed.

Examples of processing machines that use the chip processing device of the present invention include, for example, machines exclusively used for drilling and tufting. A table 55 that can be indexed in a horizontal plane is provided in the center of the processing machine M, and four workpiece mounting tables 56 on which workpieces W are placed are evenly fixed to the table 55.

The processing machine M is composed of four stations, including the above-mentioned loading/unloading station ST2, which performs a predetermined drilling process on the workpiece W indexed to the loading/unloading station _ST1 , and a drilling station _ST2 , which performs a predetermined drilling process on the workpiece W that has been drilled, and a station that wipes away chips from the workpiece W after drilling. These are the air blow and breakage detection station _ST3 , which detects tool breakage, and the tapping station _ST4 , which performs tapping on the work W. Of these, each station except the loading/unloading station _ST1 has a processing unit attached to a fixing member (not shown) supported by pillars 57 at the four corners of the processing machine M. As shown in the figure, it is designed to move up and down to perform work.

The workpiece W is transported to the loading/unloading station _ST1 , indexed clockwise by 90 degrees by the rotation of the table 55, and positioned under the drilling station _ST2 . There, a prescribed drilling process was performed and an additional 90°
It is indexed and sequentially indexed from the air blow & tool breakage detection station _ST3 to the tapping station _ST4 , and predetermined operations are performed respectively. The workpiece W that has been tapped is returned to the loading/unloading station.
Indexed to ST ₁ , gripper R ₁ of manipulator R
The workpiece is grasped by the workpiece feeder F and conveyed to the work feeder F. The above is 1 of one workpiece W in processing machine M.
cycle, e.g. drilling station
While drilling is being performed at ST ₂ , each station is repeating each operation without interruption, as if the next workpiece W is being transported to the loading/unloading station ST ₁ .

The chip processing device of the present invention attempts to dispose of chips by blowing coolant or air toward each of these stations. Of course, it does not need to be a loading/unloading, drilling, air blowing & tool breakage detection, and tatsupinda station as in the example, but there are different stations, and the workpieces are indexed in order and each is processed. It can be used in any format.

Next, the chip processing device will be explained with reference to FIG.

The chip processing device 1 is suspended from an upper fixed plate 2 fixed to the processing machine M and is provided at the center of each station.

That is, the upper end of the conduit 3 serving as a support passes through the upper fixing plate 2, and the flange portion 3a is screwed onto the upper fixing plate 2 with bolts 4. The conduit 3 is a hollow member, and is connected below to a square pipe-shaped mounting member 6, which is also hollow inside and has a coolant nozzle 5 attached thereto. The top of the conduit 3 is sealed by a cover plate 7, and the bottom part is sealed by a bottom plate 8. Furthermore, two bosses 9 and 10 are horizontally projecting from the upper part of the conduit 3, and serve as a coolant inlet 9a.

A plurality of coolant communication holes 6a are bored along the circumference of the mounting member 6 connected to the lower part of the conduit 3, and a coolant nozzle 5 whose direction can be adjusted is mounted therein. The direction in which this coolant nozzle 5 is installed is toward the drilling station ST ₂ and the tapping station ST ₄ . Currently, the mounting member 6
Although the communication hole 6a is drilled in only two directions, if you drill it in four directions and screw in plugs etc. in unnecessary places, you can easily connect the coolant nozzle even if the machining process of each station is changed. 5 can be installed by changing the orientation, and it is also possible to flexibly respond to changes in the processing process.

An air conduit 13, which is a conductor for supplying air to the air blow nozzles 11 and 12, is loosely inserted into the conduit 3, and the upper part passes through the cover plate 7 and is fixed with a nut 14, and the lower part passes through the bottom plate 8. table 55
It extends to the vicinity of the top surface. An air blow nozzle 11 is attached to the lower end of the air conduit 13 via a joint 15. Furthermore, an air blow nozzle 12 is similarly installed between the air blow nozzle 11 and the lower part of the mounting member 6 via a joint 16. These air blow nozzles 1
1 and 12 can also be adjusted in direction in the same way as the coolant nozzle 5 described above, and these air blow nozzles 11 and 12 have their tips connected to the loading/unloading station.
It is installed facing the ST ₁ side. The lower air blow nozzle 11 is for blowing air before placing the workpiece W on the workpiece mounting table 56 on the table 55, and the other air blow nozzle 1
Reference numeral 2 is for wiping off dust and the like adhering to the surface of the workpiece W placed on the workpiece mounting table 56. A joint 17 is attached to the upper part of the air conduit 13 and feeds air from an air supply source to the air conduit 13.

A workpiece detection device 18 serving as workpiece detection means is attached to the air conduit 13 between these air blow nozzles 11 and 12. This workpiece detection device 18
is directed toward four workpiece mounting tables, and is a commonly used device using a phototube or the like, and this workpiece detection device 18 detects whether or not there is a workpiece W on each station. ing.

Next, the operation of the chip processing device 1 configured as above will be explained.

Before the workpiece W is transferred by the manipulator R to the workpiece mounting table 56 on the table 55 of the loading/unloading station ST ₁ , the top of the workpiece mounting table 56 is wiped off with the air supplied from the air supply source using the air blow nozzle 11. Bring in W and place it there. Next, dust and the like on the workpiece W are wiped away by the air blow nozzle 12, and preparation for processing is completed.

The table 55 is rotated and indexed to the position of the drilling station ST ₂ for the first machining. A driving device (not shown) lowers the drilling unit and performs a predetermined drilling process. During this time, coolant is supplied from a coolant supply source (not shown) to the coolant inlet 9 through the joint 19.
The coolant guided into the conduit 3 from a is sent from a plurality of coolant nozzles 5 to the drilling station.
Wash away and dispose of the chips that are discharged towards the rotating ST ₂ drill.

The workpiece W that has been drilled is indexed by 90° in the same manner as described above and is brought to the position of the air blow and tool breakage detection station _ST3 . If there is no abnormality, the next tapping station _ST3 is indexed and predetermined processing is performed by a tapping processing unit or the like. During this time, coolant continues to be discharged from the coolant nozzle 5 toward the rotating tap, and the generated chips are washed away and cleaned.

The workpiece W after tap machining is placed on the manipulator R.
is transferred to the work feeder F and conveyed. Thereafter, these series of operations are repeated without interruption.

According to this embodiment, one chip processing device is provided at the center of each station, so there is an advantage that the installation area occupied by the chip processing device is small and the device can be simple. . In addition, this chip processing device is equipped with a coolant discharge nozzle and an air blow nozzle, and is also equipped with a detection device that detects the presence or absence of a workpiece on the table, so it has great utility value. Moreover, since the direction in which the coolant nozzle is installed can be easily changed and installed, it is possible to immediately respond to changes in the machining process of each station, making it an extremely useful chip processing device.

[Effect of idea]

According to the present invention, a conduit equipped with a coolant discharge nozzle, an air jet nozzle, and a detection means can be simply installed by hanging down from the center of each station, which occupies less space, and the installation direction of the coolant nozzle can also be changed. Therefore, it has become possible to provide a chip processing device for processing machines that is extremely useful.

[Brief explanation of the drawing]

FIG. 1 shows an overall view of a chip processing device for a processing machine according to the present invention, and FIG. 2 shows an overall plan view of a processing machine in which the processing machine chip processing device is incorporated. In the drawings, 1... Chip processing device, 2... Upper fixing plate, 3... Conduit (support body), 5... Coolant nozzle, 11, 12... Air blow nozzle,
13... Air conduit (conductor), 18... Workpiece detection device (workpiece detection means), 50... Workpiece centering device, 55... Table, M... Processing machine, W...
work.

Claims (1)

[Scope of utility model registration request] A turning table that can be indexed in a horizontal direction, a workpiece placed at a specific peripheral position on the turning table, and one end of a base that is provided on the turning axis of the turning table and supports the table. a support body that hangs down from the support body; a plurality of coolant nozzles that are detachably attached to the support body and eject coolant toward the workpiece on the table; a conductor that is provided along the support body and guides air; an air blow nozzle that is provided on a part of the conductor and blows air toward the workpiece on the table; and a workpiece detection means that is provided on a part of the conductor that detects the presence or absence of the workpiece on the table; A chip processing device for a processing machine, characterized in that chips on a workpiece are removed by a jet from a nozzle and an air blow nozzle.