JP4844719B2 - Machine tool workpiece cleaning device - Google Patents

Description

  The present invention relates to a workpiece cleaning device that cleans a workpiece processed by a processing section of a machine tool in a workpiece setup table.

Conventionally, as a workpiece cleaning device for a machine tool, a machine tool and a workpiece setup table attached to the machine tool are surrounded by a casing, and an internal and external double door is provided in an opening on the workpiece cleaning side of the casing. At the same time, a flexible film or a slide cover that penetrates and holds the cleaning fluid discharge nozzle is attached to the through hole provided in the center of the side surface of the inner door, and the cleaning fluid discharge nozzle is operated from the outside of the inner door. Alternatively, by passing a hand through a pair of gloves attached to the inner door and operating a cleaning fluid discharge nozzle arranged in the inner door, the workpiece is transferred from the table of the machine tool to the workpiece setup table by a pallet changing means (work delivery means). By spraying cleaning liquid or high-pressure air on the processed workpiece that has been mounted, the chips attached to the workpiece are scattered and removed, and the cleaning fluid That the operation of the nozzle automatically performed by the nozzle movement control mechanism out are known (e.g., see Patent Document 1).
JP-A-2005-297160

  However, the workpiece cleaning device of the conventional machine tool can clean the workpiece hygienically and safely in the sealed casing with the inner door closed, but the inner door portion of the casing. In addition, a flexible membrane, a slide cover, and a nozzle movement control mechanism with a cleaning fluid discharge nozzle attached thereto must be provided, which complicates the apparatus and increases the manufacturing cost. In addition, since the work setup table is also enclosed by the housing, if the workpiece becomes large, the housing itself will also grow in accordance with the corresponding setup table, and the problem of increased production costs is inevitable. With the cleaning fluid discharge nozzle attached to the inner door or the nozzle moving mechanism, it is difficult to clean a large workpiece to every corner.

  The present invention has been made in view of the above circumstances, and is a machine tool that has a simple structure, can be manufactured at low cost, and can reliably clean every corner of a large workpiece. An object is to provide a workpiece cleaning apparatus.

In order to solve the above problems, the present invention has the following configuration.
That is, in the machine tool work cleaning apparatus according to claim 1, the base end portion is supported by the mounting member provided in the machine tool provided with the pallet exchanging means for selectively positioning the work on the table and the work setup table. A support arm that can be moved and fixed to a position on the outer periphery side of the workpiece setup table over the workpiece setup table above the workpiece setup table, and a transparent cover that is vertically supported by the tip of the support arm And a cleaning fluid supply nozzle connected to a cleaning fluid supply source by a hose and manually operated by an operator.

  The workpiece cleaning device for a machine tool according to claim 2 is the workpiece cleaning device according to claim 1, wherein the transparent cover is provided with a handle for gripping and moving the transparent cover. It is said.

  The workpiece cleaning device for a machine tool according to claim 3 is the workpiece cleaning device according to claim 1 or 2, wherein an arc shape is provided on both sides of the transparent cover so that the operator's arm is provided near the center in the vertical direction. It is characterized in that a recess is provided.

  A workpiece cleaning apparatus for a machine tool according to a fourth aspect is the workpiece cleaning apparatus according to any one of the first to third aspects, wherein a side plate of a casing surrounding the machine tool is protruded toward the workpiece setup table, A splash guard formed so as to surround the outer peripheral side of the setup table is provided, and the splash guard is provided with an opening through which an operator can operate the transparent cover.

  The workpiece cleaning device for a machine tool according to claim 5 is the workpiece cleaning device according to claim 4, wherein the opening of the splash guard is provided with a pair of safety covers capable of opening and closing the opening left and right. The safety cover is provided with a switch that detects that the safety cover is closed and allows the operation of the pallet changing means.

  A workpiece cleaning apparatus for a machine tool according to a sixth aspect is the workpiece cleaning apparatus according to the fifth aspect, wherein each safety cover has a base end portion on an attachment member provided on the casing above the pallet exchanging means. It is characterized in that it is attached to the tip of a pair of holding arms that are supported and can turn left and right.

  The workpiece cleaning device for a machine tool according to claim 7 is the workpiece cleaning device according to any one of claims 1 to 6, wherein the support arm includes a horizontal swing arm portion on the attachment member side, and the horizontal swing arm portion. A telescopic arm portion that is connected to the tip of the workpiece so as to be extendable and retractable and supports the transparent cover, and the transparent cover can be moved and stored in a storage box installed at a position away from the outer periphery of the work setup table. The storage box is provided with a switch that detects that the transparent cover has been stored and allows the operation of the pallet changing means.

The present invention has the following excellent effects.
That is, according to the workpiece cleaning device for a machine tool according to claim 1, the operator sprays the cleaning fluid from the cleaning fluid discharge nozzle onto the workpiece while protecting the body from chips and cleaning fluid bouncing off from the workpiece by the transparent cover. Since the cleaning operation can be performed, the workpiece can be easily and safely and hygienically cleaned. In addition, the transparent cover supported by the support arm can be moved and fixed around the workpiece setup table to perform cleaning operations, so even large workpieces can be cleaned thoroughly. it can. Furthermore, since it is equipped with a transparent cover suspended by a support arm and a manually operated cleaning fluid discharge nozzle, the structure is simple and can be manufactured at low cost, and an existing work setup table attached to a machine tool. However, additional equipment can be easily added.

  According to the workpiece cleaning apparatus for a machine tool according to claim 2, the operator can move the support arm through the transparent cover by grasping the handle, so that the transparent cover can be arbitrarily cleaned around the workpiece setup table. In addition to being able to easily move to a position, it is possible to perform the cleaning operation accurately with the grip held with one hand and the transparent cover firmly fixed in front of the body.

  According to the workpiece cleaning device for a machine tool according to claim 3, the worker can perform the cleaning work by supporting the wide transparent cover with the transparent cover held in front of the body with the upper arm in the recess. Therefore, it is possible to better prevent chips and the like scattered together with the cleaning fluid from hitting the worker's body.

  According to the workpiece cleaning device for a machine tool according to claim 4, chips and cleaning fluid that rebounds from the workpiece to the outside of the workpiece cleaning space by the splash guard are not scattered to the outside and the working environment is not deteriorated. Because the cleaning work can be performed from the outside of the splash guard through the opening of the splash guard while protecting the body from chips and cleaning fluid bounce off the workpiece by the transparent cover, safety and hygiene for the worker's body during the cleaning work The above protection can be ensured.

  According to the workpiece cleaning device for a machine tool according to claim 5, even if the workpiece cleaning work and the workpiece mounting operation at the workpiece setup table are completed, the replacement arm of the pallet replacement means does not rotate until the safety cover is closed. Therefore, the safety of the working environment can be ensured.

  According to the workpiece cleaning apparatus for a machine tool according to claim 6, it is not necessary to attach a guide rail for guiding and moving the safety cover to the splash guard, the structure of the splash guard can be simplified, and the safety cover can be grasped. The safety cover can be easily opened and closed by pivoting the holding arm.

  According to the workpiece cleaning device for a machine tool according to claim 7, the switch for operating the pallet replacement means does not operate until the transparent cover is stored in the storage box, and the replacement arm of the pallet replacement means can rotate. Therefore, even if the work for cleaning the work W is completed and the transparent cover is suspended near the work setup table, the transparent cover interferes with the work on the pallet when the pallet is replaced by the pallet changing means. It is possible to prevent an accident from occurring.

Hereinafter, a work cleaning device for a machine tool according to an embodiment of the present invention will be described with reference to the accompanying drawings.
1 to 3 show a workpiece cleaning device 1 for a machine tool according to a first embodiment of the present invention.
The workpiece cleaning apparatus 1 is installed on the front side of a machine tool 2, which is a horizontal machining center, for example.
The machine tool 2 includes a bed 3, a column 4 provided to be movable in the X-axis direction x along a pair of guide rails 3 a and 3 a provided on the rear side of the bed 3, and a spindle to which a tool T is attached. It has a spindle head 5 that can move in the Y-axis direction y along the guide rail of the column 4, and a pair of guide rails 3b, 3b provided on the front side of the bed 3 and moves in the Z-axis direction z A table 6 that can be swivel indexed to the table 6, and a swivel table 9 on which a pallet 8 to which a workpiece W is attached via a jig 7 is placed on the upper surface; Work setup 10 and pallet exchanging means 11 for selectively positioning the pallet 8 (work W attached to the jig 7) on the work setup 10 and the table 6 (turning table 9). I have.

The workpiece setup table 10 includes a setup table base 10a, a setup table 10b provided on the upper end of the setup table base 10a so as to be horizontally pivotable and tiltable, and a setup table at the bottom of the setup table base 10a. An oil pan 10c provided so as to surround the base 10a is provided. The setup table 10b is provided with support means for detachably supporting the pallet 8.
The pallet exchanging means 11 is provided with an exchanging arm 11b having a pair of gripping portions 11a and 11a for supporting the pallet 8 at both ends, and reciprocally swivels around an axis C by 180 degrees by a driving means (not shown). At the same time, it is supported on the upper front end of the bed 3 so as to move up and down a predetermined height.

  The machine tool 2 and the work setup 10 are provided with a case 12 including a machine 12 side housing 12a and a work setup 10 side housing 12b so as to surround them. The housing 12a on the machine tool 2 side is formed so as to close other portions except for the opening 12c on the front end side of the bed 3, and the housing 12b on the work setup 10 side is a ceiling. The opening 12d is provided in the central upper half of the front side (the left side in FIGS. 1 to 3), and the rear side (the right side in FIGS. 1 to 3) is the opening 12c of the housing 12a. It is formed as a splash guard that is an open part that communicates with the side plate 2e of the housing 12a on the machine tool 2 side.

  The upper surface of the exchange arm 11b of the pallet exchange means 11 is made of a synthetic resin having a plane that is positioned between the pair of gripping portions 11a and 11a of the exchange arm 11b and that is perpendicular to the exchange arm 11b including the axis C. The shielding plate 13 is fixed. The upper end of the shielding plate 13 is provided in the vicinity of the boundary between the housing 12a on the machine tool 2 side and the housing 12b on the work setup 10 side in the housing 12 and near the position of the axis C. The mounting member 14 is supported by a support shaft so as to be able to turn around the axis C, and the shielding plate 13 is turned in conjunction with the turning around the axis C of the exchange arm 11b. The opening 12c of the housing 12 is closed.

A supporting arm 15 is supported on the mounting member 14 by a support shaft 16 via its base end portion so that it can be horizontally swiveled and fixed to the left and right, and the distal end side of the supporting arm 15 is connected to the work setup. It extends horizontally above the base 10 to a position away from the work setup 10 by a predetermined distance. A transparent cover 17 is supported vertically at the tip of the support arm 15. The transparent cover 17 is made of a transparent synthetic resin flat plate, and a pair of long elongated holes 17a and 17a are formed on both sides of the lower end of the transparent cover 17, and the outer plate portions of the elongated holes 17a and 17a are A pair of grips 17b, 17b for holding and moving the transparent cover 17 is configured. Further, on both sides of the transparent cover 17, arc-shaped recesses 17c, 17c that subordinate the upper arm of the operator are provided near the center in the vertical direction.
A cleaning fluid discharge nozzle 18 that is manually operated by an operator is disposed inside the housing 12b on the work setup 10 side, and the cleaning fluid discharge nozzle 18 is connected to a cleaning fluid supply source (see FIG. (Not shown).
The workpiece cleaning device 1 is constituted by the casing (splash guard) 12b, the mounting member 14, the support arm 15, the transparent cover 17, the cleaning fluid discharge nozzle 18, the hose 19 and the like.

Next, a method for cleaning the processed workpiece W by the workpiece cleaning apparatus 1 having the above-described configuration will be described.
First, when the processing of the workpiece W is completed in the processing section of the machine tool 2, the table 6 is moved to the workpiece replacement position at the front end of the bed 3. At that time, the pallet 8 on the table 6 (the swivel table 9) is placed on one gripping portion 11a of the pallet exchanging means 11 that is directed to the bed 3 side of the exchange arm 11b. Therefore, the drive means (not shown) is operated, the exchange arm 11b of the pallet exchange means 11 is raised, and the pallet 8 on which the processed workpiece W is placed is received from the table 6 to the grip portion 11a. Then, when the exchange arm 11b is turned 180 degrees and the pallet 8 on which the processed workpiece W is placed is positioned on the setup table 10b of the workpiece setup table 10, the exchange arm 11b is lowered. Then, the pallet 8 is placed on the setup table 10b, and the pallet 8 is fixed to the setup table 10b by a clamp mechanism (not shown).
In addition, when the pallet 8 on which the processed workpiece W is placed is turned to the workpiece setup table 10 side, the pallet 8 that has been set up in advance by the workpiece setup table 10 and attached with a new workpiece W is replaced. It is placed on the other gripping part 11a of the arm 11b, turned to the machine tool 2 side, and placed on the table 6 that has been waiting at the workpiece replacement position.

Thereafter, as shown in FIG. 3, the operator is positioned in front of the opening 12 d in the casing 12 b on the workpiece setup table 10 side, operates the cleaning fluid supply source, and sets the transparent cover 17. The handle 17b is grasped and the support arm 15 is turned to move the transparent cover 17 to the front of the body, and the transparent cover 17 is positioned on the front of the upper body by substituting the upper arm in the recesses 17c and 17c. The cleaning fluid discharge nozzle 18 is operated by hand, and the processed fluid is ejected from the cleaning fluid discharge nozzle 18 toward the processed workpiece W on the workpiece setup table 10, thereby processing the processed fluid. The chips attached to the workpiece W are scattered and removed.
During the cleaning operation of the workpiece W, the operator appropriately changes the posture of the processed workpiece W by appropriately operating a turning tilting device (not shown) of the workpiece setup table 10, and While freely changing the direction of the nozzle of the cleaning fluid discharge nozzle 18, the cleaning liquid or the like from the cleaning fluid discharge nozzle 18 is sprayed on substantially the entire work W. In that case, it is preferable to change the injection direction of the cleaning fluid nozzle 18 so that the cleaning fluid and chips that bounce off the workpiece W are not directed to the operator side as much as possible.
The scattered chips, cleaning liquid, etc. fall into the oil pan 10 and are appropriately collected by the apparatus. The workpiece W that has been cleaned can be removed from the workpiece setup table 10 and then carried out of the opening 12d of the housing 12b.

  According to the workpiece cleaning device 1 of the machine tool according to the first embodiment, the cleaning fluid is discharged from the cleaning fluid discharge nozzle 18 while the operator protects the body from the chips and cleaning fluid bouncing off from the workpiece W by the transparent cover 17. Can be sprayed onto the workpiece W to perform the cleaning operation. Therefore, the cleaning operation of the workpiece W can be performed easily, safely and hygienically. Further, since the transparent cover 17 supported by the support arm 15 can be moved and fixed arbitrarily around the work setup table 10 to perform the cleaning operation, even a large work W can be surely covered. Can be washed. Further, since the transparent cover 17 supported by the support arm 15 and the manually operated cleaning fluid discharge nozzle 18 are provided, the structure is simple and can be manufactured at low cost. Additional equipment can be easily added to the work setup 10.

  Then, according to the workpiece cleaning device 1 of the machine tool, the operator grips the handle 17b and moves the support arm 15 through the transparent cover 17, so that the transparent cover 17 is moved around the workpiece setup table 10. In addition to being able to easily move to any cleaning position, the cleaning operation can be performed accurately with the handle 17b held with one hand and the transparent cover 17 firmly fixed in front of the body. In addition, since the operator can perform the cleaning operation by supporting the wide transparent cover 17 in the concave portions 17c and 17c by holding the transparent cover 17 in front of the body with the upper arm being supported, the splash is scattered with the cleaning fluid. It is possible to better prevent chips and the like that hit the worker's body. In addition, chips and cleaning fluid that bounce off from the workpiece W to the outside of the workpiece cleaning space G by the casing 12b on the workpiece setup table 10 side are not scattered to the outside and the working environment is not deteriorated. The cleaning operation can be performed while protecting the body from the chips and cleaning fluid bounce off the workpiece W by the transparent cover 17 from the outside of the body 12b through the opening 12d of the housing 12b. Safety and hygiene protection can be ensured.

Next, a workpiece cleaning device 1A for a machine tool according to a second embodiment of the present invention will be described with reference to FIG.
This work cleaning apparatus 1A has a pair of safety covers capable of opening and closing the opening 12d to the left and right in the opening 12d of a housing (splash guard) 12b in the work cleaning apparatus 1 of the machine tool according to the first embodiment. 20 and 20 are provided, one of the safety covers is provided with a switch 20a, and the other is provided with an operating piece 20b for operating the switch 20a. The switch 20a is electrically connected to a drive circuit (not shown) of a drive means (not shown) that operates the exchange arm 11b of the pallet exchange means 11, and the safety covers 20, 20 are closed. When the safety covers 20 and 20 are closed by the operation piece 20b. Then, the drive circuit is operated by the detection signal, and the turning and raising / lowering operations of the exchange arm 11b of the pallet exchange means 11 are allowed via the drive means.
Since the other configuration is the same as that of the workpiece cleaning device 1 of the machine tool according to the first embodiment, the same components are denoted by the same reference numerals and description thereof will be omitted.

Each of the safety covers 20 and 20 is made of a flat plate member made of synthetic resin or steel plate, and the base end portion is supported by the support shafts 21 and 21 on the upper surface of the mounting member 14 and can be horizontally swiveled and fixed to the left and right. Are attached vertically to the tips of a pair of holding arms 22, 22. The tips of the holding arms 22, 22 are extended to a position where the safety covers 20, 20 are outside the turning trajectory of the transparent cover 17. Further, the safety covers 20 and 20 are provided with transparent windows 20c and 20c, respectively, at substantially central portions thereof. Further, grips 20b and 20b formed by bending a bar-like member into a U-shape are attached to the lower portions of the front surfaces of the safety covers 20 and 20 near the contact sides.
In the workpiece cleaning apparatus 1, the support arm 15 is supported on the upper surface of the mounting member 14. However, in the workpiece cleaning apparatus 1A, the support arm 15 is in contact with the holding arms 22 and 22 when turning. In order to avoid interference, it is supported on the lower surface of the mounting member 14.

In the workpiece cleaning apparatus 1A having the above-described configuration, the operator opens the opening 12d of the housing 12b with the safety covers 20 and 20, and the transparent cover 17 is the same as in the workpiece cleaning apparatus 1. The cleaning fluid discharge nozzle 18 (not shown in FIG. 4) is operated with the upper arm placed in the recesses 17c, 17c of FIG.
According to the workpiece cleaning device 1A of the machine tool according to this embodiment, in addition to the same effects as those obtained by the workpiece cleaning device 1, the workpiece cleaning operation and the workpiece mounting operation in the workpiece setup table 10 can be obtained. Even if the safety cover 20, 20 is closed and the opening 12d of the housing 12b is closed, the switch 20a does not operate and the exchange arm 11b of the pallet exchange means 11 does not rotate. Environmental safety can be ensured.

Next, a workpiece cleaning device 1B for a machine tool according to a third embodiment of the present invention will be described with reference to FIG.
In the workpiece cleaning apparatus 1B, the casing 12b in the workpiece cleaning apparatus 1 of the machine tool according to the first embodiment is omitted, and instead, the workpiece setup table extends along the installation portion of the casing 12b. 10 is provided. A storage box 24 including a flat rectangular box for storing the transparent cover 17 is provided at a predetermined position of the safety fence 23. The storage box 24 includes a storage box 24. When the transparent cover 17 is stored therein, a switch 25 that is operated by the lower end of the transparent cover 17 is attached. Similarly to the switch 20a, the switch 25 is electrically connected to the drive circuit of the drive means that operates the exchange arm 11b of the pallet exchange means 11, and the transparent cover 17 is stored in the storage box 24. When the signal is detected, the drive circuit is operated by the signal from the switch 25, and the swinging and raising / lowering operations of the exchange arm 11b of the pallet exchange means 11 are permitted via the drive means. Yes.

The support arm 15 can be pivoted and fixed vertically to a base arm 15a supported so as to be horizontally swivelable and fixable to an attachment member 14 provided on the upper surface of the front side of the housing 12a. The transparent cover 17 is vertically supported by a ball joint 15c or the like at the tip of the tip arm 15b. The connecting portion between the base end arm 15a and the distal end arm 15b is provided with an appropriate frictional resistance with respect to the vertical turning movement, and can be turned vertically with a slight force. It is possible to hold the position where the vertical turning is stopped without turning freely due to its own weight.
In the workpiece cleaning apparatus 1B, the concave portions 17c and 17c of the transparent cover 17 are omitted, but the concave portions 17c and 17c may be provided. In addition, an entrance 27 having a door 26 that can be opened and closed by a hinge is provided at a predetermined location of the safety fence 23, and an operator can use the stairway 28 installed in front of the entrance 27 from the entrance 27. The workpiece W is raised on a floor plate F installed around the workpiece setup table 10, and the workpiece W is cleaned there.
Since the other configuration is the same as that of the machine tool cleaning apparatus 1 according to the first embodiment, the same components are denoted by the same reference numerals and description thereof will be omitted.

  In the workpiece cleaning device 1B of the machine tool according to this embodiment, the operator goes up on the floor board F, holds the transparent cover 17 with one handle of the handle 17b, and positions it on the front of the body while holding the other cover. The cleaning fluid discharge nozzle 18 is operated with one hand to clean the workpiece W on the pallet 8. At that time, the worker h moves the support arm 15 around the pallet 8 while turning the support arm 15 horizontally and vertically as necessary, and supplies the cleaning fluid from all directions to the corners of the workpiece W from the cleaning fluid nozzle. The chips that are sprayed and adhered to the workpiece W are scattered and removed firmly. When the cleaning of the workpiece W is completed, the support arm 15 is turned in the extending direction to store the transparent cover 17 in the storage box 24 supported by the safety fence 23. At that time, the switch 25 is operated to operate the drive circuit of the drive means of the pallet exchange means 11, so that the exchange arm 11b of the pallet exchange means 11 can rotate around the axis C.

  According to the workpiece cleaning device 1B of the machine tool according to this embodiment, after the cleaned workpiece W is removed from the workpiece setup table 10 together with the pallet 8, a new workpiece W is set up by the workpiece setup table 10. When the pallet 8 is placed on the pallet 8 and the pallet 8 is exchanged with the pallet 8 to which the work W that has been processed on the table 6 is attached, the transparent arm is rotated when the exchange arm 11b of the work exchange means 11 is turned. When the cover 17 is suspended near the work setup 10, the switch 25 does not operate and the exchange arm 11 b of the pallet exchange means 11 does not turn. Therefore, even if the cleaning operation of the workpiece W is completed and the transparent cover 17 is suspended in the vicinity of the workpiece setup table 10, the transparent cover 17 is moved to the workpiece on the pallet 8 when the pallet 8 is replaced by the pallet replacing means 11. It is possible to prevent accidents such as damage caused by interference with W.

  In the workpiece cleaning apparatus 1B, as in the case of the workpiece cleaning apparatus 1A, a housing (splash guard) 12b having an opening is provided instead of the safety fence 23, and the safety cover provided in the opening is closed. By detecting that the switch has been turned, the swing of the replacement arm 11b of the pallet replacement means 11 may be permitted, and a switch is provided on a door 26 provided in the safety fence 23, When the switch detects that the door 26 is closed, the swing of the replacement arm 11b of the pallet replacement means 11 may be allowed. In those cases, the replacement arm of the pallet replacement means 11 is satisfied when both the detection of the storage of the transparent cover 17 in the storage box 24 and the detection of the safety cover or door 26 being closed are satisfied. By configuring so that turning of 11b is allowed, the safety of the work environment can be further improved.

In the machine tool workpiece cleaning devices 1, 1 </ b> A, 1 </ b> B according to the above-described embodiment, the support arm 15 is supported by the mounting member 14 provided on the housing 12 above the pallet exchanging means 11 so that the support arm 15 can be turned and fixed. The tip end side of the workpiece setup table 10 can be moved and fixed to the position on the outer periphery side of the workpiece setup table 10, but the support arm 15 is not a housing 12 but a work piece. It may be supported so as to be able to turn and be fixed to a column or the like installed on the side portion of the machine 2, and a plurality of arm members are connected so as to be horizontally or vertically turnable so that the distal end side of the proximal end side arm member is connected. The arm member is bent and expanded or contracted, or a plurality of tubular arm members are fitted and the distal end side tubular arm member is expanded and contracted in the axial direction with respect to the horizontally pivotable tubular arm member. As composition The distal end side of the lifting arm 15 (transparent cover) may be moved to any position.
The safety covers 20 and 20 are supported by the holding arms 22 and 22. However, the present invention is not limited to this, and a guide rail is provided on the housing (splash guard) 12b so that it is guided and moved. Also good.
Further, in the workpiece cleaning devices 1, 1A, 1B of the machine tool according to the above-described embodiment, a horizontal machining center has been described as an example of a machine tool to which the present invention is applied. However, the present invention is not limited thereto, and the vertical machining center is not limited thereto. It can also be applied to mold machining centers, milling machines, grinding machines, and other machine tools.

1 is a plan view showing a machine tool equipped with a workpiece cleaning device for a machine tool according to a first embodiment of the present invention. It is a side view similarly. 1 is a perspective view showing a workpiece cleaning device for a machine tool according to a first embodiment of the present invention. It is a perspective view which shows the workpiece cleaning apparatus of the machine tool which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows the workpiece | work washing apparatus of the machine tool which concerns on the 3rd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Work washing | cleaning apparatus 2 Machine tool 3 Bed 6 Table 7 Jig 8 Pallet 10 Work setup table 10a Setup table 11 Pallet exchange means 12 Case 12b Case on the work setup side (splash guard)
13 shielding plate 14 mounting member 15 support arm 17 transparent cover 17b handle 17c recess 18 cleaning fluid discharge nozzle 19 hose 20 safety cover 20a, 25 switch 20b actuating piece 24 storage box G work cleaning space

Claims (7)

  The base end is supported by a mounting member provided in a machine tool provided with a pallet exchanging means for selectively positioning the workpiece on the table and the workpiece setup table, and the distal end side is passed above the workpiece setup table. It is connected to the cleaning fluid supply source by a support arm that can be moved and fixed to the position on the outer periphery side of the work setup table, a transparent cover that is vertically supported at the tip of the support arm, and a hose. A workpiece cleaning apparatus for a machine tool, comprising: a cleaning fluid discharge nozzle manually operated by a person.   2. The workpiece cleaning device for a machine tool according to claim 1, wherein the transparent cover is provided with a handle for gripping and moving the transparent cover.   The work cleaning device for a machine tool according to claim 1 or 2, wherein an arcuate recess is provided on both sides of the transparent cover in the vicinity of the central portion in the vertical direction so as to subordinate the upper arm of the worker. .   A splash guard formed so as to project the side plate of the casing surrounding the machine tool toward the workpiece setup table and surround the outer periphery of the workpiece setup table is provided. 4. An apparatus for cleaning a workpiece of a machine tool according to any one of claims 1 to 3, wherein an opening capable of operating the machine tool is provided.   The opening of the splash guard is provided with a pair of safety covers capable of opening and closing the opening left and right. The safety cover detects that the safety cover has been closed and operates the pallet changing means. The machine cleaning device for a machine tool according to claim 4, wherein an allowable switch is provided.   Each of the safety covers is attached to a distal end portion of a pair of holding arms that can turn left and right with a base end portion supported by an attachment member provided in the casing above the pallet exchanging means. The work cleaning device for a machine tool according to claim 5. The support arm includes a horizontal swivel arm portion on the mounting member side, and a telescopic arm portion that is connected to a tip of the horizontal swivel arm portion so as to be extendable and retractable and supports the transparent cover. The transparent cover can be moved and stored in a storage box installed at a position away from the storage box, and the storage box detects that the transparent cover has been stored and operates the pallet changing means. The work cleaning device for a machine tool according to any one of claims 1 to 6, wherein an allowable switch is provided.

Images