JP2009113082A - Mold storage device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mold storage device capable of easily storing and taking out comparatively long molds for a bending working machine for bending plate materials. <P>SOLUTION: The mold storage device is used for storing molds for a working machine for bending plate materials, and includes a mold support table 49 having a groove-shaped mold engaging recessed part 47 for engaging with and supporting the attaching part 45A of the mold 45 with respect to the working machine for bending plate materials on its upper surface, a space part 59 through which the hand can be inserted to the under side of the mold 45 to lift up the mold 45 supported on the mold support table 49, a stopper member 51 for preventing the mold 45 from slipping out along the mold engaging recessed part 47, at a mold storing and taking out part where the mold 45 is stored and taken out along the groove-shaped mold engaging recessed part 47 provided on the mold support table 49, and also a sliding surface 51S on which the molds 45 can slide down by their own weight with respect to the mold engaging recessed part 47, in the part where the stopper member 51 is opposed to the mold engaging recessed part 47. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a mold storage device for storing a split mold used for a plate bending machine such as a press brake, and more specifically, when a mold is manually replaced, The present invention relates to a mold storage device that can be easily taken out and can be prevented from coming out due to vibrations or the like during movement of the mold storage device.

Conventionally, when a split mold is attached to and detached from a press brake, a plurality of split molds are exchanged with a mold storage unit in a state where they are combined in a desired length in advance, or a transfer device such as a robot. The mold is exchanged using In this case, die replacement is performed automatically, and there is a problem that the overall configuration becomes large. Therefore, in order to manually replace the mold for the press brake, the divided mold to be replaced is also stored in a movable storage cart (see, for example, Patent Document 1).
JP 7-185665 A

  In the mold storage cart described in Patent Document 1, when the mold is exchanged with the press brake, the mold storage portion of the mold storage cart is moved up and down corresponding to the height position of the press brake. Then, after the height position is adjusted, the mold is moved horizontally and replaced. Therefore, when step bending is performed by placing dies having different lengths at a plurality of locations on the press brake, there is a problem that it is not possible to replace only the dies near the center.

  The present invention has been made in view of the above-described problems, and is a mold storage device for storing a mold for a plate bending machine that performs bending of a plate, and the plate bending process A mold support base having a groove-shaped mold engaging recess for engaging and supporting the mounting portion of the mold with respect to the machine on the upper surface, and for lifting the mold supported by the mold support base It is characterized by having a space part in which a hand can be put under the mold.

  Further, in the mold storage device, the mold engagement recess is provided on the mold entrance / exit portion side for storing and taking out the mold along the groove-shaped mold engagement recess provided in the mold support base. And a stopper member for preventing the mold from coming out along the line.

  Further, in the mold storage device, the stopper member is provided with an inclined surface at a portion facing the mold engagement recess so that the mold can slide down by its own weight with respect to the mold engagement recess. It is a feature.

  Further, it is a mold storage device for storing a mold for a plate bending machine for bending a plate, and a groove for engaging and supporting an attachment portion of the mold with respect to the plate bending machine A mold support part having a metal mold engagement recess on the upper surface, and a mold entry / exit part side for storing and taking out the mold along the groove-shaped mold engagement recess of the mold support base A stopper member for preventing the mold from slipping out along the mold engaging recess, and for lowering the mold supported by the mold support base, A space between the mold support and the stopper member, and the mold is located in a portion of the stopper member facing the mold support with respect to the engagement recess. It is characterized by having an inclined surface that can slide down by its own weight.

  According to the present invention, the mold can be easily taken out from the mold storage device by hand, the mold can be easily stored in the mold storage device, and the mold can be pulled out by vibration or the like. There is no.

  Hereinafter, a mold storage device according to an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the mold storage device 1 is configured as a movable movable carriage including a plurality of casters 3. It is. The gantry 5 constituting the movable carriage is provided with a gripping part 7 for moving the gantry 5 and a display for displaying mold information stored and held in the mold storage device 1. Means 9 are provided. The display means 9 is constituted by a touch panel. When a screen corresponding to the displayed software switch is touched, information of contents corresponding to the instruction of the software switch is displayed. Since it is a general thing, the detailed description about the display means 9 is abbreviate | omitted.

  On the upper surface of the table 10 provided on the upper part of the gantry 5, there is provided a mold storage area 13 for storing a mold 11 such as a punch or die having a relatively small width dimension (length dimension). Further, in the gantry 5, floor members 15 </ b> A and 15 </ b> B are provided in a plurality of upper and lower stages below the table 10, thereby dividing the racks into a plurality of stages of shelves 17 </ b> A and 17 </ b> B.

  As shown in FIG. 2, the mold storage area 13 on the upper surface of the table 10 is provided with a plurality of linear long engagement grooves 19, and a plurality of partition members are provided in the engagement grooves 19. The engagement groove 19 is divided into a plurality of mold engagement recesses 25A to 25G having different lengths by arranging 21 and fixing each partition member 21 with a fixture 23 such as a bolt. . The mold engaging recesses 25 </ b> A to 25 </ b> G are partitioned into length dimensions corresponding to the width dimensions of the molds 11. Accordingly, when the length dimensions of the mold engaging recesses 25A to 25G and the width dimension of the mold 11 are in a corresponding relationship, the mold 11 is engaged and supported in a stable state by the mold engaging recesses 25A to 25G. Is something that can be done.

  The mold engaging recesses 25A to 25G engage with the mounting portion 11A of the mold 11 when the mold 11 such as the punch P and the die D (see FIG. 3) is attached to the plate bending machine. An engagement detection sensor for detecting that the molds corresponding to the mold engagement recesses 25A to 25G are engaged and supported in the mold engagement recesses 25A to 25G. Is provided. For example, the engagement detection sensor is configured to mechanically, electrically, or optically detect a recess or a reflection portion provided at a specific position of each mold 11 corresponding to the mold engagement recesses 25A to 25G. Various switch means can be employed in relation to the mold 11 such as the configuration.

  In the present embodiment, switch means 27A and 27B such as limit switches and proximity switches are provided at both ends in the longitudinal direction of the mold engaging recesses 25A to 25G, and both the switch means 27A and 27B are provided. When the mold 11 is detected and actuated, the mold 11 corresponding to the mold engaging recesses 25A to 25G is detected as being engaged and supported. In other words, when only one of the switch means 27A and 27B detects the mold 11, it does not detect that the mold 11 corresponding to the mold engaging recesses 25A to 25G is engaged and supported. It is constituted as follows.

  Note that only the switch means 27A is provided as an engagement detection sensor in the mold engagement recess 25G having the smallest length in the mold engagement recesses 25A to 25G. That is, only the mold 11 having the smallest width dimension corresponds to the mold engaging recess 25G having the smallest length dimension, and the mold 11 having a large width dimension is not engaged. It is enough.

  As shown in FIG. 3, tool information media (IC tags) 29A and 29B such as IC tags are provided on both front and back surfaces of the mounting portion 11A in the mold 11 as the punch P and die D, respectively. Each IC tag 29A, 29B stores general mold information necessary for mold management, such as the shape and dimensions of each mold 11, and information indicating the front and back of the mold 11 is stored. Has been. The IC tags 29A and 29B can be provided at predetermined positions in the width direction of the mold 11 (a direction perpendicular to the paper surface in FIG. 3). However, in the present embodiment, the width direction (longitudinal direction) of the mold 11 is used. Direction).

  Then, when the mold 11 is engaged and supported in the mold engaging recesses 25A to 25G, in order to read the tool information of the IC tags 29A and 29B as the tool information medium provided in the mold 11, At the center in the longitudinal direction of the mold engaging recesses 25A to 25G, one side of each of the engaging recesses 25A to 25G reads the data of the IC tag as the tool information medium 29A, 29B, Tool information reading means 31 such as a reader / writer for writing data to each other is provided.

  With the above configuration, when the mold 11 corresponding to each mold engaging recess 25A to 25G is engaged and supported, one of the IC tags 29A and 29B provided in each mold 11 is placed on each mold engaging recess 25A to 25G. The tool information reading means 31 provided is close to and opposed to the tool information reading means 31.

  Accordingly, when the mold 11 is engaged and supported in the respective mold engaging recesses 25A to 25G and both the switch means 27A and 27B are both detected and operated, for example, in a control device (not shown) such as a computer, the engagement detection is performed. The detection operation of the sensors (27A, 27B) is confirmed, and the information on the tool information media 29A, 29B is read by the tool information reading means 31 according to the conditions under which the engagement detection sensor is detected and operated. Then, the position information of the mold engaging recesses 25A to 25G detected and operated by the engagement detection sensor is associated with the read tool information and stored in the memory provided in the control device. The tool information stored in the memory can be displayed on the display means 9 by a general display operation.

  As already understood, switch means 27A and 27B are provided on both sides of the mold engaging recesses 25A to 25G as engagement detection sensors, and both the switch means 27A and 27B are detected and actuated together. Since the combined detection sensor is activated, only one switch means (27A or 27B) detects when the small mold 11 is engaged with each of the mold engaging recesses 25A to 25G. Will work. Therefore, when the mold 11 having a small width is engaged with the mold engaging recesses 25A to 25G, the tool information of the IC tags 29A and 29B provided in the mold 11 is not read. It is.

  Further, for example, when the two switch means 27A and 27B on both sides are operated by engaging and supporting two molds 11 having a small width with respect to the mold engaging recess 25A, the two molds described above are used. Since the IC tags 29A and 29B provided in the tool 11 and the tool information reading means 31 provided in the tool engaging recess 25A do not approach each other and face each other, the tool information of the two tools 11 is read. There is no.

  Therefore, the tool information of the IC tags 29A and 29B provided in the mold 11 is read only when the proper engagement of the mold 11 is performed in the mold engaging recesses 25A to 25G. In addition, the relationship between the mold engaging recesses 25A to 25G and the mold 11 that is engaged and supported is always accurately maintained.

  By the way, as described above, when the mold 11 aligned with the mold engaging recesses 25A to 25G is engaged and supported, the indicator lamps 33A to 33G such as LEDs that indicate the aligned mold are displayed on the respective molds. It is provided corresponding to the mold engaging recesses 25A to 25G. The indicator lights 33A to 33G are displayed by turning on or blinking when reading the tool information of the IC tags 29A and 29B provided in each mold 11 as described above. Further, the indicator lamps 33A to 33G are used to input data of the mold 11 to be searched from the display means 9 and to indicate the location of the mold when it is a corresponding mold.

  By the way, since the front and back information of the mold 11 is provided with IC tags 29A and 29B, the tool information of each mold 11 engaged and supported by the mold engaging recesses 25A to 25G is stored. By displaying on the display means 9, the front and back of each mold 11 engaged and supported by each mold engaging recess 25A to 25G can be known, and each mold 11 is attached to the press brake. At this time, the front and back of the mold 11 can be selected and mounted without error, and the efficiency of the mold mounting work can be improved.

  In the above configuration, the mold engaging recesses 25A to 25G are partitioned into a plurality of mold engaging recesses 25A to 25G by disposing the partition member 21 in the linear long engagement groove 19. Therefore, a plurality of mold engaging recesses 25A to 25G having different length dimensions can be easily formed. The partition member 21 has a thickness (thickness dimension in the longitudinal direction of the engagement groove 19) between the adjacent molds 11 that are engaged and supported by the mold engagement recesses 25A to 25G. Is formed to a thickness that secures a space for inserting the mold 11, so that the mold 11 that is engaged and supported by the mold engagement recesses 25 </ b> A to 25 </ b> G can be easily grasped from the width direction (longitudinal direction of the engagement groove 19). The mold 11 can be easily attached to and detached from the mold engaging recesses 25A to 25G.

  By the way, since the width dimension of the die 11 to be managed may be variously changed, it is desirable to configure the partition member 21 so that the position of the partition member 21 can be adjusted with respect to the engagement groove 19.

  That is, as shown in FIG. 4, an engagement groove 19T corresponding to the engagement groove 19 is formed in the long mold support block 35 provided in the table 10 as a T groove, and at the bottom of the engagement groove 19T, A T-groove 37 narrower than the engaging groove 19T is formed. A plurality of T-shaped movable blocks 39 are engaged with the engagement grooves 19T so as to be movable along the engagement grooves 19T, and a plurality of T are formed in the T grooves 37 corresponding to the respective movable blocks 39. The nut 41 is movably engaged. A fastening tool 43 such as a bolt penetrating each movable block 39 is screwed into the T-nut 41.

  With the above configuration, the movable block 39 can be moved along the engagement groove 19T by loosening the fastening tool 43, and the movable block 39 is fixed in an immobile state by fastening the fastening tool 43. It is something that can be done.

  Switch means 27A and 27B are provided on the opposing surfaces (both opposing surfaces of the movable block 39) where the plurality of movable blocks 39 engaged with the engaging groove 19T are opposed to each other. Corresponding to the IC tag 29 provided at one end of the side surface, tool information reading means 31 is provided on one side surface of the movable block 39 so as to protrude in the direction along the engagement groove 19T. In the above configuration, the switch means 27A and 27B facing the engaging recess 25 between the movable blocks 39 facing each other make a pair, and the switch means 27A and 27B making this pair are engaged with the engaging recess 25. When the die 11 supported by the joint is operated, the tool information reading means 31 reads the tool information of the IC tag 29 provided in the die 11.

  In the configuration shown in FIG. 4, only the tool information reading means 31 corresponding to the IC tag 29 is provided in each movable block 39. It is illustrated by the structure provided with. However, as described above, the IC tag 29 may be provided on the end portions of the front and rear surfaces of the mold 11.

  As described above, a plurality of movable blocks 39 can be adjusted in position with respect to the engaging groove 19T, and each movable block 39 is provided with the switch means 27A, 27B and the tool information reading means 31. Even when the width of the mold 11 is various, the mold engaging recess 25 can be easily formed corresponding to the width of each mold 11.

  Referring to FIG. 1 again, a relatively long (large width dimension) mold 45 is mounted on the floor members 15A and 15B of the shelves 17A and 17B provided in the mount 5 in the mold storage apparatus 1. A plurality of mold support bases 49 each having a groove-shaped mold engagement recess 47 for engaging and supporting the portion 45A (see FIG. 5) are provided. The mold support base 49 is provided with tool information reading means 31 for reading the tool information of the IC tags 29A and 29B provided on the front and back surfaces at the center in the longitudinal direction (width direction) of the mold 45. Yes.

  Therefore, the tool information reading means 31 can read the tool information of the mold 45 engaged and supported by the engagement recess 47 of the mold support 49, and can read the front and back of the mold 45. It is.

  As shown in FIG. 6, the mold support base 49 is configured to be shorter than the width direction (length dimension) of the mold 45 engaged and supported by the mold engaging recess 47, and this mold support base. 49. On the side of the mold loading / unloading portion (right side in FIG. 6) where the mold 45 is stored and taken out, that is, the loading / unloading of the mold 45 with respect to the 49 mold engaging recess 47, along the mold engaging recess 47 A stopper member 51 is provided to prevent the mold 45 from being pulled out horizontally. An inclined surface 51 </ b> S is formed at a portion where the stopper member 51 faces the mold support 49 so that the mold support 49 is lowered.

  Therefore, the mold 45 is inserted into the mold engaging recess 47 of the mold support base 49 so that the mold 45 is engaged and supported from the mold entry / exit portion side, and the right end of the mold 45 in FIG. When placed on the inclined surface 51S of the stopper member 51, the component force due to the weight of the mold 45 acts in the left direction in FIG. 6, and the mold 45 is accurately engaged and held in the mold engaging recess 47. So that it slides down.

  As described above, as an example of the engagement detection sensor for detecting that the mold 45 is engaged and supported when the mold 45 is engaged and supported by the mold engaging recess 47 of the mold support base 49. A switch means 53 such as a limit switch is provided in the vicinity of the end on the back side (left side in FIG. 6) of the mold support base 49. Further, a bracket 57 provided with a stopper 55 made of an elastic member such as rubber that comes into contact with the end face on the back side of the mold 45 is erected from the floor members 15A and 15B.

  Therefore, when the mold 45 is engaged and supported in the mold engaging recess 47 of the mold support base 49, the mold 45 is actuated by the switch means 53 and positioned in contact with the stopper 55. As described above, the tool information reading means 31 reads the tool information of the IC tags 29A and 29B provided in the mold 45 on condition that the switch means 53 is detected and operated.

  As described above, when the mold 45 is engaged and supported by the mold engaging recess 47 of the mold support base 49 and the mold 45 is in contact with the stopper 55, the mold entrance / exit portion of the mold 45. The end portion on the side (right side in FIG. 6) is in a state of projecting from the mold support base 49 toward the stopper member 51, and between the projecting portion of the mold 45 and the floor members 15A and 15B. A space 59 in which the operator's hand (four fingers) can be put is formed. Therefore, the mold 45 can be taken out from the mold engagement recess 47 of the mold support 49 by putting the hand into the space 59 and lifting the end side of the mold 45. The space 59 can also be formed by forming a recess in a part of the mold support base 49.

  As already understood, due to the presence of the space 59, the mold 45 can be easily attached to and detached from the mold engaging recess 47 of the mold support base 49, and the mold 45 and the floor members 15A, 15B. Therefore, it is possible to improve safety without a hand being caught between the two.

  Further, a cover member 61 is disposed on the front side (right side in FIG. 6) of the stopper member 51 in the shelves 17A and 17B, and the cover member 61 corresponds to each mold support base 49, and Indicator lights (LEDs) 63A to 63G similar to the indicator lights 33A to 33G are provided. Therefore, it can be lit or blinked in the same manner as the indicator lights 33A to 33G described above. In addition, since the display and use by lighting or blinking of the indicator lamps 63A to 63G overlap with the description of the indicator lamps 33A to 33G, the details are omitted.

  As can be understood from the above description, in the mold storage device 1, the IC tag provided in the mold can be easily read, and each mold engaging recess and the mold engagement are associated with each other. Management associated with the mold that is engaged and supported by the mating recess can be easily performed.

  In addition, when the mold is manually attached to and detached from the mold engaging recess, it is easy to hold the mold, and even if the mold is relatively long and heavy, the hand is placed under the mold. Can be handled safely without being caught.

It is an isometric view explanatory drawing of the metal mold | die storage apparatus which concerns on embodiment of this invention. It is plane explanatory drawing of a metal mold | die storage area. It is explanatory drawing of the metal mold | die made into object in this embodiment. It is explanatory drawing which shows the structure which can change the dimension of a metal mold | die engagement recessed part. It is partially broken in the front explanatory view of the shelf for storing the long mold. It is side surface explanatory drawing of the shelf which accommodates a long metal mold | die. It is plane explanatory drawing of the shelf which accommodates a long metal mold | die.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mold storage apparatus 5 Base 9 Display means 10 Table 11, 45 Mold 11A, 45A Mounting part 13 Mold storage area 15A, 15B Floor member 17A, 17B Shelf 19 Engaging groove 21 Partition member 25A-25G, 47 Mold Engaging recess 27A, 27B, 53 Switch means 29A, 29B Tool information medium (IC tag)
31 Tool information reading means 33A to 33G, 63A to 63G Indicator light (LED)
35 Mold support block 39 Movable block 49 Mold support base 51 Stopper member 51S Inclined surface 55 Stopper 59 Space

Claims (4)

  A mold storage device for storing a mold for a plate bending machine that performs bending of a plate material, wherein a groove-like shape that engages and supports an attachment portion of the mold with respect to the plate bending machine A mold support base provided with a mold engaging recess on the upper surface, and a space portion in which a hand can be put under the mold to lift the mold supported by the mold support base. A mold storage device characterized by that.   2. The mold storage device according to claim 1, wherein the mold is placed on a mold entrance / exit part side for storing and taking out the mold along the groove-shaped mold engaging recess provided in the mold support base. 3. A mold storage device comprising a stopper member for preventing the mold from coming out along the engagement recess.   3. The mold storage device according to claim 2, wherein the stopper member is provided with an inclined surface at a portion facing the mold engaging recess so that the mold can slide down by its own weight with respect to the mold engaging recess. A mold storage device characterized by comprising:   A mold storage device for storing a mold for a plate bending machine that performs bending of a plate material, wherein a groove-like shape that engages and supports an attachment portion of the mold with respect to the plate bending machine A mold support base provided with a mold engagement recess on the upper surface, on the mold input / output part side for storing and taking out the mold along the groove-shaped mold engagement recess of the mold support base, A stopper member for preventing the mold from coming out along the mold engaging recess is provided, and a hand is put under the mold to lift the mold supported by the mold support base. A space that can be provided between the mold support base and the stopper member, and the mold is under its own weight with respect to the engagement recess in a portion where the stopper member faces the mold support base. A mold storage device comprising an inclined surface that can slide down.

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