JP6463378B2 - Work machine line - Google Patents

Description

  The present invention relates to a work machine line that includes a plurality of work machines and in which a signal tower is attached to each work machine.

  When processing or mounting is performed in a work machine line in which work machines such as a plurality of machine tools and mounting machines are arranged, an operator is required to grasp an operating state of each work machine. Therefore, each work machine is provided with a signal tower for displaying the operation status. For example, Patent Document 2 below discloses a work machine line in which a plurality of mounting machines are arranged, and a plurality of similar mounting machines are each provided with a signal tower. For example, the signal tower can be turned on or blinked for each of three colors of “red”, “green”, and “yellow”, and the display is controlled in accordance with a predetermined operation status. The operator visually confirms the signal tower, and if it is lit green, it is normal operation. The operating status of the work machine can be grasped by each preset display such as the time for replacement approaching.

JP 2001-195667 A JP 2013-222738 A

  Therefore, the worker performs a predetermined work as necessary according to the display of the signal tower. For example, if the signal tower of a certain work machine blinks in “yellow”, it can be seen that the work machine is approaching component replacement. Therefore, the operator prepares necessary replacement parts and heads to the corresponding work machine to perform replacement work. However, the worker does not always check the signal tower in front of the work machine, and often sees a warning display of the signal tower from a remote location. At this time, for example, as shown in FIG. 12, if the mounting state of the plurality of signal towers 10 is constant, it is easy to mistake from a remote position, and the work machine of the signal tower 10 displaying the warning is displayed. You may make a mistake. In addition, wrong replacement parts are prepared, and work is wasted.

  Then, this invention aims at providing the working machine line which is easy to confirm a signal tower, in order to solve this subject.

In the work machine line according to one aspect of the present invention, a plurality of work machines including a work unit that performs a predetermined work on a work object are arranged, and the work object is conveyed to the work part of the work machine. Each work machine is provided with a signal tower that displays a moving state, and the signal tower is a bar-shaped unit in which a display part is formed on the upper side and a mounting part is provided on the lower side. The mounting portion and the mounted portion on the work machine side constitute a fixing structure that can be fixed in a plurality of postures in which the signal tower at the time of use is changed in angle or height .

  According to the present invention, since a plurality of signal towers of a work machine line in which a plurality of work machines are arranged are fixed in a plurality of postures, even if the same plurality of signal towers are arranged at close positions, a warning display is performed. It is easier for the operator to confirm the signal tower that has been used.

It is the perspective view which showed one Embodiment of the working machine line. It is the perspective view which showed the processing module which is an internal structure of a machine tool. It is the figure at the time of the standing posture which showed one Embodiment of the fixation structure of a signal tower. It is the figure at the time of the forward leaning posture which showed one Embodiment of the fixation structure of a signal tower. It is the figure at the time of the lying posture which showed one Embodiment of the fixation structure of a signal tower. It is the figure at the time of the standing posture which showed the 1st modification of the fixation structure of a signal tower. It is the figure at the time of the forward leaning attitude | position which showed the 1st modification of the fixation structure of a signal tower. It is the figure at the time of the lying posture which showed the 1st modification of the fixation structure of a signal tower. It is the figure at the time of the low standing posture which showed the 2nd modification of the fixation structure of a signal tower. It is the figure at the time of the high standing posture which showed the 2nd modification of the fixation structure of a signal tower. It is the figure at the time of the lying posture which showed the 2nd modification of the fixation structure of a signal tower. It is the perspective view which showed the conventional signal tower attachment state in a working machine line.

  Next, an embodiment of a work machine line according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a work machine line of the present embodiment. In the work machine line 1, eight machine tools 5 are mounted on a base 2 as a foundation. The eight machine tools 5 are all NC lathes of the same type, and have the same outer shape and dimensions. The work machine line 1 is provided with a workpiece transfer device (not shown) that delivers workpieces to each machine tool 5.

  The machine tool 5 is entirely covered with an exterior cover 3, and a front cover 4 is provided at a front portion on the front side of the drawing, and the exterior cover 3 and the front cover 4 are integrated. A processing module 6 (see FIG. 2) that performs processing such as cutting on the workpiece is mounted inside the exterior cover 3, and a closed processing chamber is configured for each machine tool 5. On the other hand, the front cover 4 constitutes one conveyance space in the width direction of the work machine line 1, and a conveyance device for conveying the workpiece to the machining chamber of each machine tool 5 is installed therein. .

  Here, the “work machine line” has a plurality of work machines such as machine tools, and a work object such as a work is delivered by a transfer device, and each work machine performs a predetermined work on the work object. Means a group of work machines on which is executed. In the present embodiment, a work machine line for processing a workpiece by the machine tool 5 will be described and described. However, a work machine line configured by a mounting machine as described in Patent Document 2 may be used. In the case of a work machine line using a mounting machine, a plurality of mounting machines are installed side by side, and a substrate as a work object is transferred by a transfer device, and predetermined electronic components are mounted on the board in each mounting machine. The

  Next, FIG. 2 is a perspective view showing the machining module 6 that is the internal structure of the machine tool 5, and shows a state in which the machining module 6 is placed on the carriage 9 and pulled out to the rear of the base 2. . In the machine tool 5, a processing module 6 is mounted on the base 2 and is covered with an exterior cover 3. Although only one machining module 6 is shown in the figure, two machining modules 6 can be mounted on one base 2, and rails are formed on the base 2 according to the width of the machining module 6. Two 201 are provided. Therefore, the working machine line 1 having eight machine tools 5 has four bases 2 arranged close to each other in the width direction.

This processing module 6 is a turret lathe provided with a tool table on which a rotary tool such as an end mill or a drill or a cutting tool such as a cutting tool is mounted. Therefore, the machining module 6 includes a headstock 61 having a chuck, a turret device 62 having a tool table, a Z-axis drive device 63 and an X-axis drive device 64 that move the turret device 62 along the Z-axis and the X-axis, And a control device 65 for controlling each drive device. In the machine tool 5, such a headstock 12, the driving devices 63 and 64, the control device 65, and the like are mounted on a movable bed 66 having wheels, and the movable bed 66 is capable of traveling on the rail 201 of the base 2. Installed at.

  As shown in FIG. 2, the processing module 6 can be exchanged by moving it to a carriage 9 disposed behind the base 2, and when the machining module 6 is pulled forward, the tool can be exchanged. . Therefore, even if the machine tools 5 are close to each other as shown in FIG. 1, the work machine line 1 can perform work such as maintenance without being influenced by the adjacent machine tools 5. The processing module 6 can be pulled out integrally with the exterior cover 3.

  As shown in FIG. 1, a signal tower 10 is attached to the upper part of the front surface of the exterior cover 3 in the machine tool 5 so that the operating state of the machine tool 5 can be confirmed by an operator. As described in the background art section, for example, the signal tower 10 has a display unit 12 that emits light in three colors of “red”, “green”, and “yellow”. Etc. are also possible. The signal tower 10 is controlled in accordance with detection signals and programs from the sensors provided in the headstock 12 and the driving devices 63 and 64 by the control device 65 so that the lighting display and blinking display of each color are supported. The emitted light is executed.

  The display of the predetermined operating status is, for example, the following case. The machine tool 5 is subjected to predetermined machining by the control device 65 in accordance with a machining program stored in advance. For example, it is possible to check the number of times the workpiece is cut by the cutting tool, and the tool life, that is, the time for replacement of the tool by the operator is counted. For this reason, the signal tower 10 is normally “green” lighting display, but is switched to “yellow” lighting display when the number of times set as the replacement time is reached. At that time, “yellow” is blinked in the signal tower 10 at a time point that is a predetermined number of times less than the number of replacements, and the operator is notified that the time for tool replacement is approaching. In addition, when a detection signal indicating a malfunction is received by the sensor of the driving unit, “red” indicating a failure is lit on the signal tower 10.

By confirming the warning display on the signal tower 10, the operator can make appropriate preparations for the next operation, and the time loss due to tool change or the like can be minimized. In addition, even if the machine tool 5 is immediately replaced or repaired in the event of a failure, the operation stop time of the work machine line 1 can be minimized. However, such an effect requires an operator to immediately confirm the display change of the signal tower 10 and to understand which machine tool 5 is in what operating state. Therefore, the signal tower 10 is required to be easy for the operator to see. In addition, when aligned plurality of machine tools 5 as the work machine line 1, the machine tool 5 applicable it is required to be identified.

  Here, FIG. 12 is a perspective view showing a conventional signal tower mounting state in the work machine line 1. As described above, the work machine line 1 has the same appearance design of the eight machine tools 5 and has the same width and height. Therefore, although it is constituted by a plurality of machine tools 5, an overall impression is given. In particular, the machine tool 5 is designed to have a small width dimension, and as shown in the figure, eight machine tools 5 are arranged very close to each other in the width direction. Therefore, the work machine line 1 is configured to be very compact as a whole.

  In the work machine line 1, all the eight machine tools 5 have the same external shape and dimensions, and the signal towers 10 all have the same shape. In FIG. For this reason, when the operator looks from a distant position, it is difficult to understand the position of the signal tower 10 emitting the warning display, and there is a possibility that the corresponding machine tool 5 is mistaken. In such a case, the worker cannot take correct work action, and the work efficiency is lowered. In this regard, it is conceivable to use a signal tower with a different shape and size in order to eliminate oversights and mistakes, but this increases the cost.

  Therefore, in the present embodiment, the work machine line 1 that is easy for the operator to check even when the same signal tower is arranged close to each other is provided at a low cost. As described above, the plurality of signal towers 10 of the work machine line 1 are arranged at a short distance and continuously in the same posture. For this reason, it becomes difficult to see the signal tower 10 emitting a warning display depending on the viewing position, or the positional relationship becomes difficult to understand. In the present embodiment, in consideration of such problems, the posture of the signal tower 10 can be changed.

  Specifically, as shown in FIG. 1, not only the signal tower 10 in the vertically standing posture but also the signal tower 10 in the forward leaning posture is provided. In particular, in the present embodiment, the signal tower 10 in the standing posture and the signal tower 10 in the forward leaning posture are alternately arranged. Thereby, in the work machine line 1, the distance between the signal towers 10 having the same posture is increased. Further, by arranging the signal towers 10 having different postures between the signal towers 10 having the same posture, the positional relationship of the signal towers 10 to be confirmed is accentuated by the signal towers 10 having different postures. Therefore, the position of the signal tower 10 emitting the warning display and the corresponding machine tool 5 can be easily grasped by the operator.

  3 to 5 are diagrams showing a fixing structure of the signal tower 10. FIG. In particular, FIG. 3 shows an attached state in which the signal tower 10 stands up, and FIG. 4 shows an attached state in which the signal tower 10 leans forward. FIG. 5 is a view showing an attached state in which the signal tower 10 is housed in the exterior cover 3 in a lying posture.

  As shown in FIG. 1, the signal tower 10 is attached so as to protrude from a notch formed on the right side of the front end of the roof of the exterior cover 3. Therefore, the fixing structure shown in FIGS. 3 to 5 is formed on the front upper side surface portion in the exterior cover 3. The signal tower 10 is provided with a display portion 12 (see FIG. 1) above a cylindrical pole 11 and an attachment portion 13 below. The mounting portion 13 is a mounting bracket 21 fixed to the lower end portion of the pole 11 via a nut.

  In the plane portion of the mounting bracket 21, through holes 211 and 212 are formed at left and right positions sandwiching the pole 11, and hexagon head bolts 22 are passed therethrough. That is, the mounting bracket 21 is fixed by screws with two bolts 22. On the other hand, a fixing plate 31 is provided on the exterior cover 3 side as a mounting portion for fixing the mounting bracket 21 (that is, the signal tower 10). The fixing plate 31 has a plurality of screw holes in which the bolts 22 can be tightened. Specifically, as shown in FIGS. 3 and 4, four screw holes 311, 312, 313, and 314 are formed.

  These screw holes 311, 312, 313, and 314 are formed to attach the signal tower 10 in different postures. The screw holes 311 and 312 are used in the standing posture shown in FIG. 3, the screw holes 312 and 313 are used in the forward tilting posture shown in FIG. 4, and the screw holes 312 and 314 are in the lying posture shown in FIG. Used when. In the present embodiment, the posture of the signal tower 10 can be changed to three patterns, but the screw hole 312 is a common screw hole used for attachment in any posture. The fixing structure of the signal tower 10 is common to all the machine tools 5 in the work machine line 1.

  Therefore, the machine tool 5 is attached with the signal tower 10 lying down as shown in FIG. That is, the signal tower 10 is accommodated in the exterior cover 3 so as not to interfere with the transfer operation. With respect to these points, Patent Document 1 discloses a pole-type signal tower that can be folded during loading and unloading. Certainly the signal tower can be stored without getting in the way, and handling is also convenient. However, the structure is complex and can only be switched between a standing posture and a folded lying posture. In this respect, in the present embodiment, not only the signal tower 10 can be stowed and stored, but also after being installed as the work machine line 1, as shown in FIG. The signal tower 10 can be reattached, and the operation is extremely simple.

  By the way, the change in posture when the plurality of signal towers 10 are arranged does not necessarily have to be alternated as shown in FIG. This is because the change in posture of the signal tower 10 is intended to enable the operator to confirm the warning display accurately and reliably. Therefore, it may be determined in consideration of the installation status of the work machine line 1 in the factory, the standing position of the worker, the work procedure, and the like. For example, when a plurality of work machine lines 1 are installed side by side, the work machine line 1 close to the worker's position is the conventional type shown in FIG. 12, and the distant work machine line 1 is the type shown in FIG. To do. Then, in order to distinguish the work machine line 1 located in the middle from the other, for example, four close to the worker are in a standing posture and four far away are in a forward leaning posture. Moreover, what is necessary is just to take the attitude | position which avoids the obstruction, when the thing which exists in a factory sees from an operator and becomes obstructed and the signal tower 10 is hard to see.

  According to the machine line 1 of the present embodiment, the posture of the signal tower 10 can be set according to various situations. The signal tower 10 can be attached only by changing the direction of the mounting bracket 21 with respect to the fixing plate 31 and handling only the two bolts 22. In addition to the screw holes 311 and 312 in the standing posture, the fixing plate 31 has a very simplified structure in which one screw hole 313 is added to the inclined posture and one screw hole 314 is added to the lying posture. . Furthermore, the effect by the attitude | position change of the signal tower 10 can be acquired at a very low cost only by adding a little process to the existing thing without requiring a new component.

  Subsequently, a modified example of the fixing structure will be described. First, the fixing structure makes it possible to attach the signal tower 10 in a forward inclined posture of a predetermined angle in addition to the standing posture and the lying posture. On the other hand, the first modification shown in FIGS. 6 to 8 is a fixed structure that enables angle adjustment within a certain range. This fixing structure is configured so that the mounting bracket 23 of the mounting portion 15 can be mounted in a swingable state. As shown in FIG. 6, the mounting bracket 23 has a fulcrum through hole 231 through which a bolt 22 serving as a fulcrum is passed, and a curved long hole swing through hole 232 on the other bolt 22 side. Is formed. On the other hand, as shown in FIG. 7, the fixing plate 33 includes a screw hole 331 for tightening the bolt 22 through the fulcrum through hole 231, a screw hole 332 for tightening the bolt 22 through the rocking through hole 232, and a lying posture. A screw hole 333 is formed.

  The mounting bracket 23 can swing and slide with the bolt 22 on the fulcrum through-hole 231 side as a fulcrum by loosening the two bolts 22. Then, the other bolt 22 relatively moves in the swinging through hole 231, the two bolts 22 are tightened at an arbitrary position, and the mounting bracket 23 that is inclined as shown in FIG. Fixed to. According to this fixing structure, adjustment at an arbitrary angle is possible within a certain range without removing the mounting bracket 23. Therefore, the signal tower 10 can be in a forward inclined posture at a plurality of angles. On the other hand, when storing, the mounting bracket 23 is removed, the signal tower 10 is turned sideways as shown in FIG. 8, and the mounting bracket 23 is screwed and fixed using the screw holes 331 and 333.

  Next, FIGS. 9 to 11 are diagrams showing a second modification of the fixing structure. This second modification is a fixed structure that allows height adjustment within a certain range. This fixing structure is configured so that the mounting bracket 25 of the mounting portion 17 can be mounted in a state where it can be moved up and down. As shown in FIG. 9, the mounting bracket 25 is formed with elongate through holes 251 and 252 that are elongated in the vertical direction at the left and right positions sandwiching the pole 11. On the other hand, as shown in FIG. 10, the fixing plate 35 is formed with screw holes 351, 352 for tightening the two bolts 22 passed through the lifting through holes 251, 252 and screw holes 353 for the lying posture. .

  The mounting bracket 25 can be lifted and lowered by loosening the two bolts 22. Then, the bolt 22 relatively moves in the lifting through holes 251 and 252, the two bolts 22 are tightened at an arbitrary position, and the mounting bracket 25 is attached to the fixing plate 35 at a height as shown in FIG. 10. Fixed. According to this fixing structure, adjustment at an arbitrary height is possible within a certain range without removing the mounting bracket 25. Therefore, the signal tower 10 can be changed to a plurality of height postures. On the other hand, when storing, the mounting bracket 25 is removed, the signal tower 10 is turned sideways as shown in FIG. 11, and the mounting bracket 25 is screwed and fixed using the screw holes 352 and 353.

  Therefore, the first modification 1 has only an angular posture change and the second modification 2 has only a height posture change, both of which are within the range of the swinging through hole 232 or the lifting through holes 251 and 252. The posture can be continuously changed with and can be fixed at an arbitrary angle or height. For example, the eight machine tools 5 shown in FIG. 1 may be divided into two groups of four, and the angle and height of each group of signal towers 10 may be changed continuously in the same manner. With respect to the work machine line 1 that is configured integrally, the signal tower 10 can be identified in two groups, and the signal tower 10 that is displayed with an alarm can be confirmed accurately. However, the posture is not limited to this, and the posture can be changed in various patterns.

  Then, the signal tower 10 can be changed in posture by simply swinging or sliding up and down without removing the mounting brackets 23 and 25 except for the lying posture, and by loosening the two bolts 22 and retightening. It's okay. Further, the fixing plates 33 and 35 have a very simplified configuration in which three screw holes 331, 332 and 333 or screw holes 351, 352 and 353 are formed. Furthermore, the effect by the change in the attitude of the signal tower 10 can be obtained at a very low cost by adding the swinging through hole 232 and the lifting through holes 251 and 252 to the existing one without requiring any new parts. .

As mentioned above, although one Embodiment of this invention was described, this invention is not limited to these, A various change is possible in the range which does not deviate from the meaning.
For example, in the above embodiment, only the case where the signal tower 10 is tilted forward has been described.
In addition, the change in the posture of the signal tower 10 is intended to be easily confirmed by an operator, but in addition, the function of the machine tool 5 or the like may be identified by the difference in posture.
In the first modification of the fixed structure, the bolt 22 that has passed through the fulcrum through-hole 231 is used as a fulcrum.
Further, as described above, the work machine constituting the work machine line 1 is not limited to the machine tool 5 but may be a mounting machine or the like, and the machine tool 5 is not limited in its model. Absent.

DESCRIPTION OF SYMBOLS 1 ... Work machine line 2 ... Base 3 ... Exterior cover 4 ... Front cover 5 ... Machine tool 10 ... Signal tower 11 ... Pole 12 ... Display part 13 ... Mounting part 21 ... Mounting bracket 22 ... Bolt 31 ... Fixing plate 211, 212 ... Through hole 311, 312, 313, 314 ... screw hole

Claims (7)

A plurality of work machines each having a work unit for performing a predetermined work on a work object are arranged, and each of the work machines has a transport device that transports the work object to the work part of the work machine. Is a work machine line with a signal tower that displays the movement status,
The signal tower is one display unit is formed above the rod-shaped mounting portion is provided below, the mounting portion of the mounting portion and the working machine side, the signal tower during use angle or A work machine line characterized by comprising a fixing structure that can be fixed in a plurality of postures with different heights . The mounting portion of the signal tower is fixed by screwing to the mounted portion of the work machine, and the mounting portion of the signal tower is formed with one or more through holes through which screws are passed, The work machine line according to claim 1 , wherein the attached portion of the machine is formed with a plurality of screw holes for fixing the signal tower in a plurality of postures. The mounting portion is formed with the through-holes at two locations, and the attached portion is formed with screw holes at three or more locations,
One of the two screw holes used when the signal tower is fixed in a predetermined posture is used as the screw hole when the signal tower is fixed in another posture with a changed inclination. The work machine line according to claim 2 , wherein the work machine line is one. The mounting portion of the signal tower is formed with a fulcrum through hole and a curved long hole rocking through hole. The signal tower is swung with a screw passing through the fulcrum through hole as a fulcrum, with respect to the rocking through hole. The work machine line according to claim 2 , wherein a screw whose position changes relatively is tightened at a predetermined position. The mounting portion of the signal tower is formed with an elongating through hole having a long and long hole shape in the vertical direction, and a screw whose position is relatively changed with respect to the elevating through hole is tightened at a predetermined position. The work machine line according to claim 2 , wherein the work machine line is provided. The plurality of work machines have a uniform appearance, the signal tower is fixed at the same position, and when the adjacent work machines are compared, the inclinations or heights of the signal towers differ from each other. The work machine line according to any one of claims 1 to 5 , wherein the work machine line is provided. The working machine is covered by an exterior cover, and the mounting portion of the signal tower is fixed to the mounted portion in the exterior cover, and the signal tower fixed at an inclined angle is placed in the exterior cover. The work machine line according to any one of claims 1 to 6, wherein the work machine line is stored.

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