JP2011161488A - Workpiece movement positioning device in plate working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a workpiece movement positioning device capable of simultaneously fixing a plurality of workpiece clamps provided on a carriage to the carriage. <P>SOLUTION: A carriage base 3 long in X-axis direction is provided movably in Y-axis direction, and an engaging part 15 to be relatively and movably engaged with engagement parts 13 provided on a clamp body 11 of a plurality of workpiece clamps 9 is provided long in X-axis direction on a carriage 5 which is movably provided on the carriage base 3 in X-axis direction. A fixing tool 17 capable of fixing the engagement parts 13 in an immobile state at the same time is provided on the engaging part 15. The engagement part 13 provided on the clamp body 11 of each workpiece clamp 9 is a groove part in X-axis direction. The engaging part 15 provided on the carriage 5 has an upper bracing member 21U and a lower bracing member 21L for bracing the groove part in the vertical direction which are long in X-axis direction while at least one of the upper bracing member 21U and the lower bracing member 21L is vertically movable. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a workpiece movement positioning device capable of moving and positioning a plate-shaped workpiece in the X-axis direction and the Y-axis direction in a plate material processing machine such as a punch press or a laser processing machine. The present invention relates to a workpiece movement positioning device capable of simultaneously fixing a plurality of workpiece clamps for clamping the workpieces to a carriage in the workpiece movement positioning device.

  In a punch press or a laser processing machine, a workpiece movement positioning device is provided for moving and positioning a workpiece in the X and Y axis directions with respect to the processing position. In the workpiece movement positioning device, a carriage base that is long in the X-axis direction (left-right direction) is provided so as to be movable in the Y-axis direction (front-rear direction), and a plurality of clamps for clamping the workpiece are provided on the carriage base. A carriage having a work clamp is provided to be movable in the X-axis direction. The plurality of work clamps are provided on the carriage at appropriate intervals in the X-axis direction and adjustable in position in the X-axis direction (see, for example, Patent Documents 1 and 2).

JP 2000-61546 A Japanese Patent Laid-Open No. 11-77462

  In the work movement positioning apparatus in the inventions described in Patent Documents 1 and 2, a carriage base that is long in the X-axis direction is provided so as to be movable in the Y-axis direction. A plurality of work clamps are provided on the carriage base. The provided carriage is movably provided in the X-axis direction. In order to adjust the position of each work clamp with respect to the carriage in the X-axis direction, each work clamp includes a second fixing means for fixing the work clamp to the carriage base via a clamp bar, and a work clamp. First fixing means for fixing to the carriage.

  By releasing the fixing by the second fixing means and fixing and holding the work clamp on the carriage by the first fixing means, each work clamp can be moved in the X-axis direction integrally with the carriage. When adjusting the interval between the work clamps, the work clamp whose position is to be adjusted with respect to the carriage is fixed to the carriage base via the clamp bar by the second fixing means, and is moved to the carriage by the first fixing means. Release the fixation. Thereafter, the carriage is moved relative to the work clamp fixed to the carriage base via the clamp bar in the X-axis direction. Then, the work clamp is fixed to the carriage base via the clamp bar by the second fixing means, and the work clamp is fixed to the carriage by the first fixing means, thereby adjusting the mounting position of the work clamp with respect to the carriage. The interval in the X-axis direction of the plurality of work clamps attached to the carriage is adjusted.

  Accordingly, in the conventional configuration, although the interval (position) adjustment of the plurality of work clamps provided in the carriage can be automatically performed, the second fixing for fixing the work clamp to the carriage base via the clamp bar. It is necessary to provide the work clamp with the means and the first fixing means for fixing the work clamp to the carriage, and there is a problem that the structure of the work clamp becomes complicated.

  Accordingly, each work clamp may be provided with an operating lever for tightening, and the operation lever may be manually operated to manually adjust the position of each work clamp with respect to the carriage. . In this case, if the number of work clamps increases, the operation of the operation lever is troublesome and sometimes the operation lever is forgotten to be tightened. In order to prevent this forgetting to tighten, if each work clamp is provided with a sensor for monitoring the looseness of the operation lever, there is a problem that the configuration becomes complicated accordingly.

  The present invention has been made in view of the above-described conventional problems. A carriage base that is long in the X-axis direction is movably movable in the Y-axis direction, and the carriage base is movably provided in the X-axis direction. And a workpiece movement positioning device provided with a plurality of workpiece clamps capable of clamping plate-like workpieces so that the positions of the workpiece clamps can be adjusted in the X-axis direction. An engaging portion that is movably engaged with the portion is provided long in the X-axis direction, and the engaging portion is provided with a fixing means that can fix each engaged portion in an immovable state at the same time. It is a feature.

  Further, in the workpiece movement positioning device, the engaged portion provided in the clamp body of each workpiece clamp is a groove portion in the X-axis direction, and the engaging portion provided in the carriage moves the groove portion in the vertical direction. The upper tension member and the lower tension member for stretching are long in the X-axis direction, and at least one of the upper tension member or the lower tension member is provided so as to be vertically movable.

  In the workpiece movement positioning apparatus, the engaged portion provided in the clamp body of each work clamp is a ridge portion in the X-axis direction, and the engagement portion provided in the carriage is the ridge portion. The upper clamp member and the lower clamp member for clamping from above and below are long in the X-axis direction, and at least one of the upper clamp member or the lower clamp member is provided to be movable up and down. .

  In the workpiece movement positioning apparatus, the engaged portion provided in the clamp body of each work clamp is a groove portion or a ridge portion in the X-axis direction, and the engaging portion provided in the carriage is the groove portion. And a pressing member for pressing the bottom of the groove portion in the Y-axis direction is long in the X-axis direction or relative to the ridge portion in the X-axis direction. And a pulling member for pulling the protrusion in the Y-axis direction is provided long in the X-axis direction.

  According to the present invention, the work clamp may have a configuration including an engaged portion that engages with an engagement portion provided in the carriage so as to be movable in the X-axis direction, and simplifies the configuration of the work clamp. be able to. Since the plurality of work clamps provided in the carriage are simultaneously fixed in an immovable state, the fixing is not forgotten, and the conventional problems as described above can be solved.

It is side sectional explanatory drawing which shows the structure of the principal part of the workpiece movement positioning device which concerns on embodiment of this invention. It is explanatory drawing of the fixing means for fixing a work clamp to a carriage. It is side sectional explanatory drawing which shows the structure of the principal part of the workpiece movement positioning apparatus which concerns on the 2nd Embodiment of this invention. It is side sectional explanatory drawing which shows the structure of the principal part of the workpiece movement positioning device which concerns on the 3rd Embodiment of this invention. It is a side section explanatory view showing the composition of the principal part of the work movement positioning device concerning a 4th embodiment of the present invention.

  Hereinafter, a workpiece movement positioning device according to an embodiment of the present invention will be described with reference to the drawings. For example, in a plate material processing machine such as a punch press or a laser processing machine, a plate-like workpiece can be moved and positioned in the X and Y axis directions. Since such a workpiece movement positioning apparatus is well known, only the main configuration will be described.

  Referring to FIG. 1, a workpiece movement positioning apparatus 1 according to a first embodiment of the present invention has a carriage base 3 that is long in the X-axis direction (direction perpendicular to the paper surface in FIG. 1: left-right direction). It is provided so as to be movable in the Y-axis direction (left-right direction in FIG. 1), which is a direction approaching and moving away from the machining position (not shown), and the carriage 5 moves in the X-axis direction on this carriage base 3. It is provided freely. Since the configuration for moving and positioning the carriage base 3 in the Y-axis direction and the configuration for moving and positioning the carriage 5 in the X-axis direction are well known, the configuration for moving and positioning in the X-axis and Y-axis directions is known. The detailed description of is omitted.

  The carriage 5 has a plurality of work clamps 9 (only one is shown in FIG. 1) provided with upper and lower clamp jaws 7U and 7L for clamping plate-like works (not shown). It is attached so that its position can be adjusted in the axial direction. In addition, since the structure of the work clamp 9 is a well-known structure, description is abbreviate | omitted about the detailed structure of the work clamp 9. FIG.

  In order to mount the work clamp 9 on the carriage 5 so that the position of the work clamp 9 can be adjusted in the X-axis direction, the engaged portion provided on the side surface in the Y-axis direction of the clamp body 11 of the work clamp 9 is provided on the carriage 5. An engaging portion 15 that is movably engaged with 13 is provided long in the X-axis direction. The engaging portion 15 is provided with fixing means 17 that can fix the engaged portions 13 of the plurality of work clamps 9 simultaneously in an immovable state.

  More specifically, the engaged portion 13 provided in the clamp body 11 is formed in a groove portion in the X-axis direction (left-right direction). The groove is formed in a pigeon-tail or T-shaped groove. The engaging portion 15 provided in the carriage 5 includes an upper tension member 21U (see FIG. 2) for upwardly stretching the upper side 19U of the groove portion of the engaged portion 13, and the engaged portion. It is the structure provided with the lower tension member 21L for thrusting the lower side 19L of 13 groove parts downward.

  The upper tension member 21U and the lower tension member 21L constitute a part of the engaging portion 15, and are long in the X-axis direction, and the length thereof is the X-axis direction of the carriage 5. It is provided approximately equal to the length. The joint surface between the upper tension member 21U and the lower tension member 21L is formed as an inclined surface that is higher on one end side in the X-axis direction. In other words, the upper and lower tension members 21U and 21L are formed in a wedge shape.

  Of the upper and lower tension members 21U and 21L, one lower tension member 21L is fixed to the carriage 5 as appropriate, and the other upper tension member 21U is configured to be movable in the X-axis direction and vertically movable. It is. That is, the bracket 23 is integrally fixed to one end side in the X-axis direction of the lower tension member 21L. An adjustment screw 25 as an example of a tension member actuating member (a tension member moving means) that can move in the X-axis direction is screwed onto the upper portion of the bracket 23. The disc-shaped locking portion 27 is engaged with a T-shaped engagement groove (T-groove) 29 formed on one end surface of the upper tension member 21U so as to be relatively movable up and down.

  Accordingly, when the tension member actuating member (adjustment screw) 25 is operated, the upper tension member 21U can be moved in the left-right direction (X-axis direction) in FIG. 2, and the upper tension member 21U can be moved up and down. Accordingly, when the upper tension member 21U moves in the descending direction, the vertical tension force of the groove portion of the engaged portion 13 provided in the clamp body 11 of the work clamp 9 is loosened, and the upper and lower tension members 21U are released. , 21L, the workpiece clamp 9 can be moved in the X-axis direction with respect to the engaging portion 15.

  With the above configuration, when the vertical tension force by the vertical tension members 21U and 21L is relaxed, the plurality of work clamps 9 provided on the carriage 5 are manually positioned in the horizontal direction (X-axis direction). After the adjustment, when the adjustment screw 25 is tightened, the upper tension member 21U is finely moved in the left-right direction and finely moved upward to press the upper side 19U of the groove portion in the clamp body 11 upward. Accordingly, the upper side portion 19U and the lower side portion 19L of the groove provided in the clamp body 11 of each work clamp 9 are simultaneously stretched in the vertical direction by the upper and lower tension members 21U, 21L, and the upper and lower portions of the engagement portion 15 are A plurality of work clamps 9 are fixed to the tension members 21U and 21L at the same time, that is, in a fixed state.

  As understood from the above description, the work clamp 9 may have the same configuration as a conventional general work clamp, and the configuration of the work clamp can be simplified. The plurality of work clamps 9 are fixed to the carriage 5 at the same time, so that the fixing is not forgotten. Therefore, the conventional problems as described above can be solved.

  FIG. 3 shows a workpiece movement positioning apparatus 1 according to the second embodiment of the present invention, and redundant description is given by assigning the same reference numerals to components having the same functions as those of the above-described embodiment. Omitted.

  In this embodiment, the engaged portion 13 provided in the clamp main body 11 is formed in the protruding portion 31 in the X-axis direction, and the engaging portion 15 provided in the carriage 5 includes the protruding portion. An upper clamp member 33U and a lower clamp member 33L are provided as fixing means for clamping and fixing 31 from above and below. The lengths of the upper and lower clamp members 33U and 33L in the X-axis direction are substantially equal to the length of the carriage 5 in the X-axis direction. One of the upper and lower clamp members 33U and 33L is configured to be moved up and down by an appropriate vertical movement actuator 35 such as a fluid pressure cylinder provided in the carriage 5.

  Accordingly, the upper clamp member 33U is lifted by the vertical movement actuator 35 and held in a loosened state of the protrusion 31 so that the plurality of work clamps 9 provided in the carriage 5 are positioned in the X-axis direction. Can be adjusted. Then, by lowering the upper clamp member 33 by the vertical movement actuator 35, the protrusion 31 in each work clamp 9 can be clamped and fixed, and a plurality of work clamps 9 can be fixed to the carriage 5 at the same time. Therefore, the same effect as that of the above embodiment can be obtained.

  Note that the configuration shown in FIG. 2 can be applied instead of the vertical movement actuator 35 for moving the upper clamp member 33U up and down. That is, the configuration of the wedge mechanism shown in FIG. 2 can be turned upside down, and the tension member provided on the lower side can be moved up and down to move the upper clamp member 33U up and down. Alternatively, the upper clamp member 33U may be fixed and the lower clamp member 33L may be moved up and down with respect to the carriage 5. In this case, the wedge mechanism of the upper and lower tension members shown in FIG. 2 can be adopted as the configuration of the vertical movement actuator that moves the lower clamp member 33L up and down.

  FIG. 4 shows a third embodiment, and the same reference numerals are given to components having the same functions as those of the above-described embodiments, and redundant description is omitted.

  In this embodiment, the engaged portion 13 provided in the clamp body 11 in the work clamp 9 is a T-shaped groove or a pigtail-shaped groove 37 in the X-axis direction. The engaging portion 15 provided in the carriage 5 is a protrusion 39 that is relatively movable in the X-axis direction with respect to the groove 37, and the length of the protrusion 39 in the X-axis direction is the carriage 5. Are substantially equal to the dimension in the X-axis direction.

  The carriage 5 has a pressing member 41 for pressing the bottom portion 37B of the groove portion 37 in the Y-axis direction as fixing means for engaging and fixing the groove portion 37 and the ridge portion 39 in an immobile state. These are provided in the X-axis direction so as to be as long as the ridges 39. The carriage 5 is provided with an appropriate actuator for pressing operation (pressing operating means) 43 such as a fluid pressure cylinder for moving the pressing member 41 in the Y-axis direction.

  With the above configuration, when the pressing operation actuator 43 is operated and the bottom portion 37B of the groove portion 37 is pressed by the pressing member 41, the clamp body 11 is firmly pressed leftward in FIG. 19U and the lower side 19L are firmly pressed against the joint surfaces provided above and below the protrusion 39, and the clamp body 11 is fixed to the carriage 5. Therefore, the plurality of work clamps 9 provided in the carriage 5 are fixed to the carriage 5 at the same time, and the same effect as in the above-described embodiment can be obtained.

  In place of the pressing operation actuator 43, the wedge mechanism shown in FIG. 2 may be employed as a configuration of pressing operation means for pressing in the Y-axis direction.

  FIG. 5 shows a fourth embodiment. In this embodiment, as a configuration of the fixing means for fixing the clamp body 11 to the carriage 5, a tension member 45 as a tension means equal to the length of the carriage 5 in the X-axis direction is provided in the groove portion 37 of the clamp body 11. The pulling member 45 is pulled in the Y-axis direction by an appropriate pulling actuator (pulling actuating means) 47 such as a fluid pressure cylinder provided in the carriage 5 to abut and fix the clamp body 11 to the carriage 5. It is a configuration. Also in this configuration, a plurality of work clamps 9 provided in the carriage 5 can be fixed to the carriage 5 at the same time, and the same effect as in the above embodiment can be obtained.

  The clamp body 11 is pulled in the direction of the carriage 5 by reversing the relationship between the groove and the ridge, and the clamp body 11 is provided with a ridge in the X-axis direction having a T-shaped or dovetail cross section. A tension member provided with a groove portion that engages the ridge portion so as to be relatively movable in the X-axis direction. The tension member is elongated in the X-axis direction, and the tension member is pulled in the Y-axis direction by a pulling actuator. It is also possible to adopt a configuration in which the clamp body 11 in the workpiece clamp 9 is simultaneously abutted and fixed to the carriage 5.

  That is, various configurations can be adopted as a configuration in which the work clamp 9 is finely moved in the Y-axis direction with respect to the carriage 5 to fix the work clamp 9 to the carriage 5.

DESCRIPTION OF SYMBOLS 1 Work movement positioning apparatus 3 Carriage base 5 Carriage 9 Work clamp 11 Clamp main body 13 Engagement part 15 Engagement part 17 Fixing means 19U Upper side of groove part 19L Lower side of groove part 21U Upper tension member 21L Lower tension member 25 Adjustment screw ( Strut member actuating member)
31, 39 Projection 33U Upper clamp member 33L Lower clamp member 35 Actuator for vertical movement 37 Groove 37B Bottom 41 Press member 43 Actuator for pressing 45 Pull member 47 Actuator for tension

Claims (4)

  A carriage base that is long in the X-axis direction is movably movable in the Y-axis direction, and a plurality of work clamps that can clamp plate-like workpieces are mounted on the carriage base that is movable in the X-axis direction. A workpiece movement positioning device provided with an adjustable position, wherein an engagement portion that is movably engaged with the engaged portion of the clamp body of each work clamp is movably engaged with the carriage. A workpiece movement positioning device characterized in that the engagement portion is provided with a fixing means that can fix the engaged portions in an immovable state at the same time.   2. The workpiece movement positioning apparatus according to claim 1, wherein the engaged portion provided in the clamp body of each work clamp is a groove portion in the X-axis direction, and the engaging portion provided in the carriage is the groove portion. A workpiece movement positioning device characterized in that an upper tension member and a lower tension member for stretching in the vertical direction are long in the X-axis direction, and at least one of the upper tension member or the lower tension member is vertically movable.   2. The workpiece movement positioning apparatus according to claim 1, wherein the engaged portion provided in the clamp body of each work clamp is a protrusion in the X-axis direction, and the engaging portion provided in the carriage includes the An upper clamp member and a lower clamp member for clamping the ridge portion from above and below are long in the X-axis direction, and at least one of the upper clamp member or the lower clamp member is provided so as to be vertically movable. Work movement positioning device.   2. The workpiece movement positioning apparatus according to claim 1, wherein the engaged portion provided in the clamp body of each work clamp is a groove portion or a ridge portion in the X-axis direction, and the engaging portion provided in the carriage is The pressing member for engaging the groove portion so as to be relatively movable in the X-axis direction and pressing the bottom portion of the groove portion in the Y-axis direction is long in the X-axis direction, or in the X-axis direction on the protrusion. A workpiece movement positioning device characterized by comprising a pulling member that is relatively movable in the direction of movement and that is long in the X-axis direction for pulling the protrusion in the Y-axis direction.

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