JP4215533B2 - Foot brake foot switch moving device and moving method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a foot brake foot switch moving device and a moving method thereof.
[0002]
[Prior art]
Conventionally, in the operation of a press brake in which a metal plate material is bent by the cooperation of an upper die (punch) and a lower die (die), an operator is standing and using both hands. Since it is necessary to position and support the plate material, the foot switch is often operated with one foot. When the foot switch is stepped on, a start signal is issued to drive either the upper table with the upper mold of the press brake or the lower table with the lower mold, and start its elevation. ing.
[0003]
On the other hand, as a bending operation by a press brake, a plurality of bending operations are performed once by attaching a plurality of dies having different processing shapes such as lengths in the longitudinal direction of the table in the order of processes and bending the plate materials in the order of the processes. There is a so-called step bend performed by setup. When performing this bending work, it is necessary for the operator to move in the longitudinal direction of the table (the left and right direction of the press brake) according to the plate material processing process. For this reason, the foot switch follows the movement of the operator frequently. You must move left and right on the floor.
[0004]
Also in a so-called offset bend in which a pair of dies are arranged in either the left or right direction of the press brake and the bending work is performed, the foot switch is moved from the approximate center of the machine, which is the normal die position, to the dies. It must be moved on the floor in the longitudinal direction of the table (the left and right direction of the press brake) according to the mold position.
[0005]
Furthermore, in the case of bending a box work as another bending work by the press brake, the operator approaches the machine (press brake) when bending the long side, and moves away from the machine when bending the short side. In many cases, it is necessary to frequently move the foot switch in the front-rear direction of the machine corresponding to the bending portion.
[0006]
In this way, a normal foot switch is simply placed on the floor and can be freely placed at a position where it can be easily stepped on, but in the case of bending work as described above, It is necessary to move this frequently in the front-rear and left-right directions toward an arbitrary position on the floor surface, and this technique has been desired. The following techniques have been proposed as a technique suitable for moving the foot switch.
[0007]
For example, Patent Document 1 proposes an automatic foot switch device by numerical control in a press brake machine. That is, the operating device for starting the machining ram in the press brake machine is moved along the left and right direction of the machine body in the vicinity of the mold according to the vertical mold position of the machine input to the numerical control type operating means. There is disclosed a press brake operating device comprising a mechanism for automatic movement. According to Patent Document 1, since this operating device is a numerically-controllable laterally movable mechanism, it is possible to ensure the safety of the operator and easily cope with an offset bend or a step bend. Yes.
[0008]
Moreover, although there is no description in the prior art document, there has conventionally been a moving device that moves the foot switch only in the left-right direction along the rail by the operation of the placed foot as shown in FIGS. 6 and 7, for example. It is known as a known technique. FIG. 6 is a plan view of the moving device, and FIG. 7 is a view taken in the direction of arrow B in FIG. 6 and 7, the foot switch 101 is placed on a foot switch base 103. The foot switch base 103 includes a roller guide 105a that rolls on the floor and supports the foot switch base 103, and The guide rail 104 attached to the press brake main body 102 is rolled as a guide, and a roller guide 105b and a roller guide 105c are attached to the guide rail 104 in the vertical direction and the horizontal direction, respectively. With this configuration, the foot switch 101 is guided by the guide rail 104 by the lateral movement operation of the foot and can move only in the left-right direction of the press brake.
[0009]
Furthermore, although there is no description in the prior art document, for example, as shown in FIG. 8, a box with a handle equipped with an emergency stop button is provided above the foot switch, and a foot by manual operation using this handle is provided. A switch moving device is also employed as a second known technique. The moving device includes a foot switch 201, a box 204 connected to a cover covering the foot switch 201 by a pole 203, a handle 202 provided on the front surface of the box 204, and an upper surface of the box 204. The emergency stop button 205 is provided. And according to the said structure, the operator can move the foot switch 201 to the arbitrary positions on a floor surface by grasping | ascertaining the handle 202 by hand and lifting and conveying the whole apparatus.
[0010]
[Patent Document 1]
JP 2000-351018 A (page 2-3, FIG. 7)
[0011]
[Problems to be solved by the invention]
However, the aforementioned foot switch moving device according to the prior art has the following problems.
(1) The movement method of the foot switch by the numerical control method described in Patent Document 1 requires a long drive mechanism and its control device over the entire lateral length of the press brake machine, and these equipment costs are low. Expensive. In addition, this long drive mechanism occupies the work scaffolding area of the worker and not only interferes with work such as mold attachment and detachment, but also provides sufficient safety work. There is a fear that it cannot be secured.
In addition, the operator must frequently input the moving position of the foot switch corresponding to the position of the mold due to the increase in the frequency of mold replacement accompanying the shift to high-mix low-volume production, which is extremely troublesome. .
In addition, the moving direction of the foot switch is only in the left-right direction of the machine, and it is necessary for the above-described change in the size of the work or the process transition between short-side bending and long-side bending of a box work. It is impossible to move in the front-rear direction corresponding to the dimensional difference in the machine front-rear direction.
[0012]
(2) In the first known technique shown in FIGS. 6 and 7, the foot switch 101 is guided by the guide rail 104 and can move only in the left-right direction of the press brake. When the position of the operator changes in the longitudinal direction of the machine due to a change in the process or between the short side bending and the long side bending of the box work, the foot switch 101 Since the movement is impossible, the operator is forced to operate the foot switch 101 in an unreasonable posture, and the difficulty and unsafety cannot be avoided.
[0013]
(3) In the second known technique shown in FIG. 8, the operator can hold the handle 202 by hand and lift the entire apparatus to move the foot switch 201. When bending is performed, the operator's hands are closed by gripping the workpiece. Therefore, it is difficult to move the foot switch 201 by hand unless the workpiece is once placed on a work table or the like. Accordingly, there is a problem that the hand changing work is not only very troublesome but also the work efficiency is lowered and the production efficiency is lowered.
[0014]
The present invention has been made paying attention to the above-described problems, and provides a foot brake foot switch moving device and a moving method thereof that can move in the front-rear and left-right directions on the floor surface with a simple configuration. It is an object.
[0015]
[Means, actions and effects for solving the problems]
  To achieve the above object, the first inventionFoot brake foot switch moving deviceIs
  In the press brake foot switch moving device in the press brake foot switch moving device,
  A foot switch that outputs a signal to the press brake by a stepping operation,
  Anti-slip means provided on the lower surface of the foot switch to prevent slipping against the floor surface;
  On the side of the foot switch, footrest means provided so as to be footable,
  Provided on the lower surface of the footrest means;The footrest means together with the foot switch by contacting the floorOn the floorForward, backward, left and rightMove freelyComposed of membersAnd moving means,
  The lower surface of the footrest means is provided with a slope that is a mountain fold on the floor surface side with respect to the lower surface of the foot switch,
  When not applying the pedaling force to the footrest means, due to the weight of the foot switch, the moving means is lifted from the floor surface, and the anti-slip means is in contact with the floor surface,
  When a stepping force is applied to the footrest means, the moving means comes into contact with the floor surface, and the anti-slip means rises from the floor surface.
It is characterized by.
[0017]
  FirstClearlyAccording to this aspect, when the foot switch is stepped on when the press brake is activated, the slipping means provided on the lower surface of the foot switch prevents the foot switch from slipping on the floor surface. When the foot switch is moved, by placing one foot on the foot mounting means provided on the side of the foot switch, the anti-slip means is released from contact with the floor surface by the stepping force, and the foot mounting means Moving means provided on the lower surface of the floorcontactBy using this moving means, the foot switch can be moved in the horizontal direction with its pedaling force applied, so that the foot switch can be smoothly moved in the front-rear and left-right directions and carried to a predetermined position. Become.
[0018]
Therefore, the following effects can be obtained.
Unlike the prior art, there is no need for a large foot switch moving mechanism, a control device, or the like such as a moving device by NC control. In addition, the moving device of the present invention is not only compact, but is configured to move integrally with the foot switch, so there is no obstacle in the work space of the scaffolding as in the conventional NC control moving mechanism, etc. Its workability is good and sufficient safety can be secured.
In addition, even when the operator holds the workpiece with both hands, the operator can operate the moving device with one foot while standing, so the workability is good and the productivity can be improved.
Further, the operator can use a plurality of molds arranged side by side in the left-right direction of the machine during the step bend, or a mold installed on either the left or right side during the offset bend. Correspondingly, the foot switch can be moved very easily to an arbitrary position in the left-right direction of the machine, and workability and productivity are improved.
Furthermore, when bending, the operator is forced to move in the front-rear direction with respect to the machine due to the dimensional change in the machine front-rear direction for each workpiece. It can be easily moved to a desired position in the longitudinal direction of the machine, contributing to improvement in workability and productivity.
[0019]
  Second inventionFoot brake foot switch moving deviceIs
  In the press brake foot switch moving device,
  A foot switch that outputs a signal to the press brake by a stepping operation,
  A foot switch base for mounting the foot switch on the upper surface;
  On the side of the foot switch base, a footrest means provided so as to be able to rest,
  Non-slip means provided on the lower surface of the foot switch base to prevent slipping against the floor surface;
  Provided on the lower surface of the footrest means;The footrest means together with the foot switch by contacting the floorOn the floorForward, backward, left and rightMove freelyComposed of membersAnd moving means,
  The lower surface of the footrest means is provided with a slope that is a mountain fold on the floor surface side with respect to the lower surface of the foot switch base,
  When not applying the pedaling force to the footrest means, due to the weight of the foot switch, the moving means is lifted from the floor surface, and the anti-slip means is in contact with the floor surface,
  When a stepping force is applied to the footrest means, the moving means comes into contact with the floor surface, and the anti-slip means rises from the floor surface.
It is characterized by.
[0020]
According to the second aspect of the present invention, the foot switch base is provided, and the foot switch base is placed on the upper surface of the foot switch base. Further, the foot switch base is regarded as the foot switch in the first aspect of the first aspect of the present invention. As in the invention, the anti-slip means is provided on the lower surface, the footrest means is provided on the side of the foot switch, and the moving means is provided on the lower surface. With this configuration, in addition to the effects of the first invention described above, an already-made foot switch can be adopted, so that it is not necessary to newly develop a foot switch part, and thus the development cost can be reduced and the foot switch is included. Not only can the cost of the entire mobile device be reduced, but also the development lead time of this device can be shortened. Further, if the user purchases only the foot switch base, the user can use the foot switch so far, which is economical.
[0021]
  In addition, each of the aboveAccording to the invention, during normal press brake operation, the footrest means is lifted from the floor due to the inclination of the mountain break, and when the footrest is placed on the footrest means, the footrest means is lowered by the pedaling force, The moving means on the lower surface comes into contact with the floor surface and is movable on the floor surface. And since it has the slope of the mountain fold, the foot switch on the side of the footrest means floats from the floor surface together with the anti-slip means attached to the lower surface of the footrest means at the same time as the descending operation of the footrest means. It becomes a non-contact state, and the restriction of the movement is released. In this way, the foot switch is released from the restraint to prevent deviation from the floor surface only by placing the foot on the footrest means, and the moving means can move on the floor surface. Thereafter, the operator can move the foot switch in the front-rear and left-right directions on the floor surface by moving the foot horizontally.
[0022]
  In addition, after the foot switch is moved to a predetermined position, the operator can only lift the foot away from the footrest means, and the footrest means and the moving means are lifted by the weight on the footswitch side to be lifted from the floor surface. The anti-slip means attached to the lower surface of the switch descends and comes into contact with the floor surface.
  In this way, the operator can release the restraint of the foot switch on the floor surface by the simple operation of placing the foot on the footrest means and moving one foot, and the moving means on the floor surface. By making contact, the foot switch can be moved in any direction on the floor surface. Further, after the foot switch is moved, the operator can prevent the slip (position shift) during the operation operation of the foot switch by bringing the anti-slip means into contact with the floor surface only by removing the foot from the footrest means. Therefore, operation is simple and anyone can operate easily.
  Furthermore, since the present invention has a simple configuration in which the lower surface of the footrest means is provided with a slope that is a mountain fold on the floor surface side with respect to the lower surface of the foot switch, the apparatus is simple and small in size and manufactured at low cost. Can do.
[0023]
  According to a third aspect of the present invention, in the foot brake foot switch moving device according to the first or second aspect of the present invention, the footrest means includes a displacement prevention means for preventing a foot displacement.
[0024]
  According to the third aspect of the present invention, when the moving device is moved back and forth and left and right by moving one foot on the upper surface of the footrest means and moving on the floor surface, the foot is placed on the footrest. There is no deviation from the position on the means. For this reason, the foot switch moving operation by stepping on can be performed safely and reliably.
[0026]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the drawings.
[0027]
First, a first embodiment will be described with reference to FIGS. 1 and 2 are a front view and a plan view, respectively, of a moving device for a foot switch of a press brake according to the first embodiment. 3 is a partial cross-sectional view taken along the line AA of FIG. 2, and FIG. 4 is a diagram showing a movable state of the foot switch according to the first embodiment.
[0028]
As shown in FIGS. 1 and 2, the moving device includes a foot switch 1, an anti-slip device 2, a footrest device 3, and a moving device 4. The foot switch 1 has two left and right pedals 11 and 11 in this example, one for starting the press brake and the other for returning the press brake. Since the structures of the two pedals 11 and 11 and their surroundings are the same, only one of them will be described here.
[0029]
As shown in FIG. 3, the foot switch 1 is a pedal except for its front surface (the surface in which the foot enters during operation) in order to avoid unexpected pedal operations such as inadvertent stepping and falling of objects. 11 and 11 are covered with a case 15, and a pedal operation is possible by inserting a toe of a foot through a front opening of the case 15. A left and right pivot 13 is provided in the case 15, and the pedal 11 is mounted on the front side of the pivot 13 so as to swing up and down around the pivot 13. Between the lower surface of the pedal 11 and the bottom surface of the case 15, an elastic means 14 made of, for example, a spring or the like is provided. Further, a dog 16 is provided integrally with the distal end portion of the pedal 11 so as to extend deeper than the pivot shaft 13. In the vicinity of the dog 16, the pedal 11 is biased by the elastic means 14. A limit switch 12 is provided that is turned on and off by the dog 16 when the foot is stepped on and rocked against the foot. The limit switch 12 signal is input to a controller (not shown).
[0030]
The anti-slip means 2 has a plurality of legs 2a made of, for example, rubber, synthetic resin or the like having a large friction coefficient attached to the lower surface of the case 15.
[0031]
Further, as shown in FIGS. 1 and 2, the footrest means 3 includes a footrest 3a having a width that allows one foot to be placed on the upper surface thereof, and a vertical reinforcement on the rear surface of the upper surface of the footrest 3a. In addition, the bracket 6 provided to prevent the operation foot from being displaced forward, and the side surface (the right side surface in the drawing) opposite to the foot switch 1 are provided in the form of screens provided to prevent the displacement of the foot in the lateral movement direction. Displacement prevention means 5.
[0032]
The footrest means 3 includes a moving means 4 on the lower surface of the footrest 3a, and a lower surface of a sphere 4a of a plurality of moving means 4 described later provided on the lower surface of the moving means 4 and the lower surface. The surface passing through the foot switch 1 has a predetermined angle a ° (preferably approximately 10 °) with respect to the lower surface of the foot switch 1 (the lower end surface of the leg portion 2a of the anti-slip means 2) and has a slope that rises to the right. It is provided on the right side (viewed from the front). Due to this inclination, when the foot switch 1 is not moved (during driving operation), the leg portion 2a of the anti-slip means 2 is grounded to the floor surface by its own weight on the foot switch 1 side. The lowest part, that is, the lower end of the sphere 4a closest to the foot switch 1 is lifted by a dimension b with respect to the floor surface.
[0033]
Further, the moving means 4 is composed of a member that comes into contact with the floor surface so as to be movable on the floor surface in any direction, front, back, left, and right. A plurality (three or more) of roller bearings are provided. In addition, as the moving means 4, it is not limited to the above, For example, you may comprise by the sliding member which consists of a synthetic resin etc. which can be slid on a floor surface in arbitrary directions.
[0034]
Next, the operation of the foot switch moving device of the first embodiment will be described.
When bending a sheet metal (workpiece) with a press brake, the worker must first stand and hold the work with both hands, place it on a predetermined mold, and then step on the foot switch 1 to start the work. Call. At this time, the worker puts one foot on the activation pedal 11 and steps on it, and activates the limit switch 12 corresponding to the pedal 11 to activate the pedal 11. Is provided with anti-slip means 2 made of a plurality of elastic bodies, so that the foot switch 1 is difficult to move (displace) due to friction between the floor surface and the elastic bodies, and the stepping operation is performed safely and reliably. .
[0035]
When the bending process by the start-up is completed, the next bending work is started. In this case, the operator determines the hand holding position (that is, the hand of the work) from the position of the next mold or the next working position of the work. The working position is moved according to the change in dimensions up to (position). That is, in the case of the above-described step bend and offset bend, the working die changes in the left-right direction of the press brake, and accordingly, the work position is moved in the left-right direction. In addition, when the process is switched due to changes in the size of the work or due to changes in the short and long sides of the box work, the distance from the mold to the hand-held position changes. Move back and forth.
[0036]
The above-described movement operation of the foot switch 1 in the front-rear and left-right directions is performed in the following process sequence as shown in FIG.
(1) Place foot 7 on foot switch 3 of foot switch 1 and depress it.
(2) Next, the foot switch 1 is moved to a desired position by moving the foot 7 in the horizontal direction in a state in which a vertical pedaling force is applied to the footrest means 3.
(3) Then, the foot 7 is put on the desired position and separated from the means 3.
[0037]
The above process will be described in more detail.
(1) When one foot 7 is placed on the footrest means 3 provided on the side of the foot switch 1 and is stepped on, the lower surface of the footrest means 3 is in contact with the lower surface of the foot switch 1 as shown in FIG. Since the floor surface has a mountain-folded inclination a ° (that is, it becomes higher toward the side of the foot switch 1), the footrest means 3 is lowered by the stepping force and the foot switch 1 is lifted. That is, the free roller bearing as the moving means 4 provided on the lower surface of the footrest means 3 is grounded to the floor surface, and the lowermost end portion of the non-slip means 2 provided below the foot switch 1 is lifted from the floor surface by the dimension c. It will be. As a result, the foot switch 1 can be moved in the front-rear and left-right directions by the moving means 4.
[0038]
(2) Subsequently, a predetermined stepping force in the vertical direction is applied to the footrest means 3, and the foot 7 is in a state where the lowermost end portion of the anti-slip means 2 is lifted from the floor surface by the dimension c (state of FIG. 4). Is moved horizontally to move the foot switch 1 to the target position. In this case, since the lower surface of the footrest means 3 is provided with moving means 4 that can move the floor surface smoothly and in any direction, the foot switch 1 can be placed horizontally on one foot 7 while holding the work with both hands. It is possible to move freely on the floor surface in any direction very easily according to the desired work position by only the direction moving operation.
At this time, the foot 7 placed on the foot rest means 3 is moved in the left-right direction and the front-rear direction by the walls of the displacement prevention means 5 provided on the side opposite to the foot switch 1 and the bracket 6 provided at the front portion. Therefore, the foot switch 1 can move smoothly and reliably without shifting the position on the footrest means 3.
[0039]
(3) Then, after moving to the target position, if the foot 7 is moved away from the footrest means 3 at that position, the lower surface of the footrest means 3 is in relation to the lower surface of the foot switch 1 as shown in FIG. Since the floor surface has a mountain-folded inclination (a °), the weight of the foot switch 1 rises due to the weight of the foot switch 1 side, and the foot switch 1 side Non-slip means 2 contacts the floor. That is, only by the operation of separating the foot 7 from the footrest means 3, the lowermost end portion of the moving means 4 provided on the lower surface is separated from the floor surface by the dimension b, and the anti-slip means 2 is brought into contact with the floor surface. become.
[0040]
After that, the operator starts the machine by stepping on the foot switch 1 and performs a predetermined bending process. At this time, the foot switch 1 is moved to the floor by the non-slip means 2 as described above. Since it is fixed so that it does not slide on the surface, even if it is an unfavorable work such as supporting the work with both hands and performing the starting operation with one foot, this operation can be performed reliably and safely.
[0041]
As described above, according to the first embodiment, in the case of a step bend work as a bending work by the press brake, the operator holds the work with both hands and uses the foot switch according to the present embodiment. It is possible to move in the left-right direction (longitudinal direction of the table) on the floor surface by following the forward feeding of the workpiece very easily by simply operating one foot.
Also in offset bend work, the operator can hold the workpiece with both hands, operate the foot switch very easily with only one foot operation, and place the mold on either side of the press brake. Accordingly, it is possible to quickly move the floor surface to the optimum position.
[0042]
Furthermore, when bending a box work, the operator can easily operate the foot switch with only one foot while holding the work with both hands, and bend the long side of the machine (press brake). The foot switch can be moved frequently in the front-rear direction of the machine in response to the part to be bent, such as moving away from the machine when the short side is bent.
[0043]
In this way, the foot switch can be quickly moved to an arbitrary position corresponding to each workpiece machining process based on the judgment of the worker each time, so that work efficiency is improved and productivity can be improved. At this time, since the operator can secure the optimum working posture, the foot switch is not operated in an unreasonable posture, and the safety of the work can be sufficiently secured.
Further, the moving device of the present embodiment has a very simple configuration, and is small and inexpensive. Moreover, since it is small in size, there is no concern of hindering the operator's work space, and workability is extremely good.
[0044]
Next, a second embodiment of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the structure which has a function substantially the same as the component shown in previous drawing, and the description below is abbreviate | omitted.
The configuration of the present embodiment is different from that of the first embodiment in that a ready-made foot switch 20 is used instead of the foot switch 1 of the first embodiment.
[0045]
That is, the foot switch base 21 is provided, and the ready-made foot switch 20 is attached to the upper surface of the foot switch base 21 with screws (not shown). Anti-slip means 2 is attached to the lower surface of the foot switch base 21. Also, on the right side of the foot switch base 21, as in the first embodiment, a footrest 3 having a footrest portion on its upper surface and a moving means 4 on its lower surface is attached. In the footrest means 3, the lower surface of the moving means 4 is mountain-folded (inclined to the right in the figure) on the floor side with respect to the lower surface of the foot switch 21 (the lower surface of the anti-slip means 2), and the angle a The lowermost part of the lower surface of the moving means 4 is normally lifted by a dimension b with respect to the floor surface.
[0046]
Regarding the operation of the moving device of the foot switch in the second embodiment, if the structure of the moving device is replaced with that of the first embodiment, these operations are the same, so the description is omitted here.
[0047]
Regarding the operational effects of the second embodiment, in addition to the effects of the first embodiment, since a normal foot switch can be used, there is no need to newly develop a foot switch, and this development cost can be reduced. The cost of the entire mobile device including can be reduced. In addition, the development lead time of this device can be shortened, the foot switch manufacturing period can be shortened, and the mobile device manufacturing period can be shortened. Further, if the user purchases only the foot switch stand, the user can use the foot switch up to now, which is economical.
[0048]
In each embodiment of the present invention, the position of the footrest means is on the right side of the foot switch. However, the present invention is not limited to this, and the footrest means may be provided on the left side or both sides of the foot switch. It doesn't matter.
[0049]
The moving means may be a member used for free movement, such as a caster or a sliding member, without being particular about the free roller bearing shown in the embodiments.
[0050]
The slip prevention means uses a partition that makes it difficult for the foot placed on the footrest to slip in each embodiment, but as the slip prevention means, the surface on which the foot is placed is made of a non-slip member such as a rubber sheet or punching metal. You may manufacture and the structure which used any of these together may be sufficient.
[0051]
According to the present invention, the following specific effects can be obtained.
The moving device of the present invention has a very small and simple configuration based on the operator's foot operation method, can be manufactured at low cost, and can be very easily adopted for a press brake.
[0052]
Even when the operator holds the plate workpiece with both hands, the operator can easily move the foot switch with one foot while standing, and this operability is extremely good, so that the work efficiency can be improved. In other words, the operator can release the restraint to prevent the foot switch from shifting from the floor surface and touch the moving means on the floor surface by a simple operation of placing one foot on the footrest means and moving the one foot. Thus, the foot switch can be freely moved in any direction on the floor surface. Further, after the foot switch is moved to the desired position, the foot switch can be positioned at the desired position by bringing the anti-slip means into contact with the floor surface only by releasing the foot from the footrest means.
[0053]
In addition, since the moving device or the moving method of the present invention is a moving method only by human operation, a conventional mold such as a numerically controlled moving device, which is performed every time a die is changed when a workpiece is changed. There is no troublesome numerical input operation of the moving position of the foot switch corresponding to the position of the mold.
[0054]
The movement direction of the foot switch on the floor is not limited to the left-right direction as in the conventional machine, and can move in any direction, front-rear, left-right. Therefore, not only step bends and offset bends that require horizontal movement of the machine, but also box bending and large / small machining of workpieces that require forward / backward movement of the machine can be easily handled. The improvement of sex can be expected.
[0055]
The moving device of the present invention does not have a driving means or a moving guide that occupies the work scaffold area like the conventional numerically controlled moving device, is small, and moves with the movement of the foot. A large space allows not only good workability when changing molds, but also safety.
After the movement of the moving device, the foot switch is positioned at that position by the anti-slip means simply by removing the foot from the footrest means. Moreover, the stepping operation can be reliably and safely performed by the effect of the foot slip prevention means.
In addition, since it can be easily moved and positioned on the floor in any direction by moving the foot, the operator can always take the optimum working posture, perform reliable switch operation, and the scaffolding will not be displaced There is no need to worry about getting injured.
[0056]
Furthermore, the foot switch portion can be configured using a normal foot switch. In this case, the development cost of the foot switch can be reduced, and the cost of the entire mobile device including the foot switch can be reduced. In addition, the development lead time of this device can be shortened, the foot switch manufacturing period can be shortened, and the mobile device manufacturing period can be shortened.
Further, if the user purchases only the foot switch stand, the user can use the foot switch up to now, which is economical.
[0057]
In addition, since the lower surface of the footrest means is provided with a slope that is a mountain fold on the floor surface side with respect to the lower surface of the foot switch, the moving device is very simple and small, and can be manufactured at low cost.
[Brief description of the drawings]
FIG. 1 is a front view of a foot brake foot switch moving device according to a first embodiment;
FIG. 2 is a plan view of the same.
FIG. 3 is a partial cross-sectional view taken along the line AA in FIG.
FIG. 4 is a diagram illustrating a movable state of the foot switch according to the first embodiment.
FIG. 5 is a front view of a moving device for a foot switch of a press brake according to a second embodiment.
FIG. 6 is a plan view of a foot switch moving device according to a first known technique;
7 is a view as viewed from B in FIG. 6;
FIGS. 8A and 8B are diagrams showing a foot switch moving device according to a second known technique, in which FIG. 8A is a front view and FIG. 8B is a side view;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Foot switch, 2 ... Antiskid means, 3 ... Foot putting means, 4 ... Moving means, 5 ... Displacement preventing means, 6 ... Bracket, 7 ... Foot, 11 ... Pedal, 12 ... Limit switch, 13 ... Axis, 14 ... elastic means, 15 ... case, 16 ... dog, 20 ... foot switch, 21 ... foot switch base, 101 ... foot switch, 102 ... press brake body, 103 ... foot switch base, 104 ... guide rail, 105a ... roller guide, 105b ... Roller guide, 105c ... Roller guide, 201 ... Foot switch, 202 ... Handle, 203 ... Pole, 204 ... Box, 205 ... Emergency stop button.

Claims (3)

In the press brake foot switch moving device,
A foot switch (1) that outputs a signal to the press brake by a stepping operation;
Non-slip means (2) provided on the lower surface of the foot switch (1) for preventing slippage with respect to the floor surface;
A footrest means (3) provided on the side of the foot switch (1) so as to be able to be footed;
It is provided on the lower surface of the footrest means (3), and is configured by a member that can move the footrest means (3) along the foot switch (1) forward, backward, left and right by contacting the floor surface. moving and means (4) that,
The lower surface of the footrest means (3) is provided with a slope that is a mountain fold on the floor surface side with respect to the lower surface of the foot switch (1),
When no pedal force is applied to the footrest means (3), the moving means (4) is lifted off the floor surface by the weight of the foot switch (1), and the anti-slip means (2) is in contact with the floor surface. And
When a pedaling force is applied to the footrest means (3), the moving means (4) comes into contact with the floor surface and the anti-slip means (2) is lifted from the floor surface. Foot brake foot switch moving device. In the press brake foot switch moving device,
A foot switch (20) for outputting a signal to the press brake by a stepping operation;
A foot switch base (21) on which the foot switch (20) is placed;
On the side of the foot switch base (21), a footrest means (3) provided so as to be footable,
Non-slip means (2) provided on the lower surface of the foot switch base (21) for preventing slippage with respect to the floor surface;
It is provided on the lower surface of the footrest means (3), and is configured by a member that can move the footrest means (3) along the foot switch (1) forward, backward, left and right by contacting the floor surface. moving and means (4) that,
The lower surface of the footrest means (3) is provided with a slope that is a mountain fold on the floor surface side with respect to the lower surface of the foot switch base (21),
When no pedal force is applied to the footrest means (3), the moving means (4) is lifted off the floor surface by the weight of the foot switch (20), and the anti-slip means (2) is in contact with the floor surface. And
When a pedaling force is applied to the footrest means (3), the moving means (4) comes into contact with the floor surface and the anti-slip means (2) is lifted from the floor surface. Foot brake foot switch moving device. In the moving device of the foot switch of the press brake according to claim 1 or 2,
A foot brake foot switch moving device, characterized in that the footrest means (3) comprises a slip prevention means (5) for preventing foot slippage.

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