JPH0588715U - Louver mold for automatic replacement - Google Patents

Abstract

(57) [Abstract] [Purpose] A die set 19 for louvering a plate-like work W can be automatically replaced, and the punch chip 33 and the die chip 5 can be removed without removing the punch 11 and the die 15.
Mold set 19 so that 1 can be exchanged
Shorten the replacement time and improve work efficiency. [Structure] A mold set area 65 for detachably mounting a mold set 19 for louvering is provided at a plurality of positions of a holder 9 of a punch press 1, and a position corresponding to the mold set area 65 and the mold set 19 are provided. A die automatic changer 69 capable of reciprocating with respect to the position where the punch is accommodated is provided, and the punch holder 13 that accommodates the punch and the die holder 17 that accommodates the die are provided.
A locking portion is provided on each side surface of and to enable automatic replacement, and the punch chip 39 and the die chip 55, which are molding dies, can be replaced without removing the punch 11 and the die 15.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a die for a punch press, and more specifically to a louver die that can be automatically replaced.

[0002]

[Prior Art]

 For the work of punching a wind window on a plate-shaped work, a die set for louver molding for punching the wind window must be prepared.

However, the die set for louver molding can only be manually replaced, and in many cases, it can be made into a desired one by changing only the punching length. In such cases, the mold set must be manually removed from the upper and lower mold holders, the punch and die must be removed from the punch holder and die holder, and the desired molds must be replaced. Further, since the punch holder and the die holder are circular in shape, the space for arranging the punch and the die is limited.

[0004]

[Problems to be solved by the device]

 However, in such louver machining, when multiple dies of different types are required for one machining of the work, the punch in the punch holder and the die in the die holder are removed from the punch holder and the die holder, and each molding die is processed. Must be replaced multiple times. For this reason, the die replacement time is long when one workpiece is machined for manual replacement, and sufficient maintenance is necessary to prevent replacement errors. Also, since the punch holder and die holder are circular in shape, there is a limit to the length of the wind window that can be punched out.

Therefore, in order to solve the above-mentioned problems, the present invention makes it possible to automatically replace the mold set, and further, to form a plate-like work, a die blade part provided on the upper and lower sides of the punch and the die. It is intended to shorten the replacement time and improve the maintenance by making it detachable, and to improve the versatility by making the shape of the punch and the die holder rectangular.

[0006]

[Means for Solving the Problems]

 In order to achieve this object, the present invention provides a punch holder that is horizontally detachably attached to an upper die holder in a punch press, and is provided with a vertically movable punch for performing louver forming of a plate material. A die holder corresponding to the punch holder is detachably attached in the horizontal direction to the lower die holder provided corresponding to the upper die holder, and a die that cooperates with each punch is attached to this die holder. In a louver mold in which the punch holder and the die holder are respectively provided with engaging portions for engaging a mold exchanging tool during die exchanging and mounting, a punch and a die are provided so as to oppose each other, and A striker that presses the punch is vertically installed at the upper position in the vertical direction, and a punch side blade part for detachable and replaceable is provided at the lower end of the punch. Those formed by providing a die holder die side blade portion for detachable replacement freely shaping provided against the vertically Ji side edge portion.

[0007]

[Action]

 According to the above configuration, when removing the mold set attached to the upper and lower mold holders, first insert the mold changing tool of the mold changing device into the locking portion of the mold set to remove the mold set. Hold. The mold set held by the mold exchanging device moves in a direction away from the upper / lower mold holder and is pulled out from the upper / lower mold holder.

The punch-side blade portion and the die-side blade portion of the pulled out die set are tightened and released by bolts from the punch and die to which they are fixed, and are detached and replaced.

When mounting a different mold set to the pulled-out mold set, the mold changing tool holds the different mold set. The mold set held by the mold exchanging device is mounted on the upper and lower mold holders.

[0010]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows an external view of a punch press 1 in which the present invention can be implemented. The punch press 1 is provided with a portal frame 3, and in the center of the portal frame 3, a holder 9 composed of a rotatable upper die holder 5 and a lower die holder 7 is supported on the portal frame 3. Has been done. A die set 19 including a punch holder 13 having a punch 11 and a die holder 17 having a die 15 is provided on the circumference of the holder 9. A fixed center table 21 is provided on the lower portion of the gate frame 3. On both sides of the center table 21, there are provided movable tables 23 that are movable in the Y-axis direction (left and right directions in FIG. 1). On the left end of the movable table 23 (left side in FIG. 1), a carriage base 25 for positioning the plate-shaped work W at a desired position to be machined extends in the X-axis direction (front-back direction in FIG. 1). Is provided.

A work moving / positioning device 27 for positioning the plate-shaped work W in the X-axis direction is provided on the left side with the holder 9 as the center, and on the opposite side of the work moving / positioning device 27. A mold holding region 29 is provided in the right-sided gate-shaped frame 3. The mold holding region 29 is provided with a mold set accommodating portion 31 for accommodating the plurality of mold sets 19.

For details of the die set 19, referring to FIG. 2, a punch holder 13 is provided in a mounting hole (not shown) provided in the upper die holder 5, and the punch holder 13 is provided with a drawing. As shown in FIG. 8, a punch 11 for forming the louver of the plate-shaped work W is provided.

The punch 11 includes a punch tip 33 which is a punch side blade portion, a punch body 37 which is fixed to the punch tip 33 with a tightening bolt 35 and is vertically movable with respect to the punch holder 13, and an upper portion of the punch body 37. A biasing plate 39 fixed to the biasing plate 39, a stop spring 43 provided via a spring seat 41 that abuts the biasing plate 39, and a punch head 45 provided above the biasing plate 39. A striker 47 for pressing the punch head 45 is provided on the punch head 45 on the main body side of the punch press 1.

A die holder 17 is mounted in a mounting hole (not shown) provided in the lower die holder 7, and the die holder 17 is a die side blade portion fixed by a plurality of tightening bolts 49, and a plate. A work ejector 53 for releasing the work W in the shape of a die from the die chip 51 is provided. Between the work ejector 53 and the die holder 17, a urethane rubber 55 which is an elastic body for urging the work ejector 53 upward is provided.

As shown in FIGS. 3 and 4, a flange portion 13a that horizontally protrudes in the left-right direction (the left-right side in FIG. 3) is provided on the upper portion of the punch holder 13, and the flat surface of the flange portion 13a. The shape is substantially fan-shaped, and the punch 11 is provided at the center of the punch holder 13. A taper hole 57 for positioning is provided in the enlarged portion of the flange portion 13a of the punch holder 13. Further, as shown in FIG. 4, a locking portion 59 for replacing the punch holder 13 is provided on the side surface 13b of the punch holder 13.

As shown in FIGS. 5 and 6, a flange portion 17a horizontally projecting in the left-right direction (left-right side in FIG. 5) is provided in the lower portion of the die holder 17, and the planar shape of the flange portion 17a is The punch holder 13 has a substantially fan shape similar to that of the punch holder 13. A taper hole 61 for positioning the die holder 17 is provided in the enlarged portion of the flange portion 17a of the die holder 17. Further, as shown in FIG. 6, a locking portion 63 for replacing the die 15 is provided on the side surface 17b of the die holder 17.

As shown in FIG. 1, the mold set 19 including the punch holder 13 and the die holder 17 as described above is mounted in a mold set region 65 which is cut out in a U shape. A plurality of mold setting regions 65 are provided on the circumference of the holder 9 at appropriate intervals. In FIG. 1, one of the mold set areas 65 is located at the mold exchange position 67.

An automatic mold changing device 69 movable in the X-axis and Y-axis directions is provided in front of the mold changing position 67 and the mold set accommodating portion 31.

As shown in FIG. 7, a through hole 75 penetrating in the left-right direction (left and right in FIG. 7) is formed in the holding base 73 of the mold holding device 71 that is a part of the automatic mold changing device 69. Is provided. The through hole 75 has a large diameter portion in the right half and a small diameter portion in the left half, and has two stages. A chuck sleeve 79 having a plurality of chucks 77 is provided in the through hole 75. The flange at the right end of the chuck 77 is fixed to the large diameter portion of the through hole 75 via a spacer or the like. A fluid pressure cylinder 81 is attached to the right end surface of the holding base 73, and a rod 83 is connected to the piston rod 83 of the fluid pressure cylinder 81. The rod 83 has a function of pressing the chuck 77 in the opening direction.

With the above configuration, when the piston 77 of the fluid pressure cylinder 81 is projected after the chuck 77 is inserted into the locking portions 59 and 63, the rod 85 moves leftward and the chuck 85 is moved by the rod 85. By pressing the inner side of the mold in the opening direction, the chuck 77 is locked to the locking bush 87 provided in the openings of the locking parts 59 and 63, and the mold holding device 71 accurately moves the mold set 19. Can be held at

As described above, by providing the engaging portions 59 and 63 on the side surfaces 13b and 17b of the punch holder 13 and the die holder 17, the chuck 77 of the automatic die changer 69 is inserted into the engaging portions 59 and 63. Therefore, the mold set 19 can be held, and the punch holder 13 and the die holder 17 can be replaced at the same time. The punch tip 39 provided on the punch holder 11 that has been taken out is replaced by fastening and releasing a fastening bolt 40 provided on the punch body 43 for fixing the punch tip 39. The die chip 55 provided on the die holder 17 is replaced by tightening and releasing a tightening bolt 53 provided on the die holder 17 for fixing the die chip 55.

Therefore, it takes no time to replace the mold, and the work efficiency is improved. Further, since the mold shape is changed from the circular shape to the rectangular shape, versatile louver processing is possible, and the mold set 19 can be positioned and the mold space can be effectively used.

[0024]

[Effect of the device]

 As described above, according to the present invention, the metal mold set of the mold changing apparatus is provided by providing the locking portions on each side of the mold set including the punch holder having the punch and the die holder having the die. The mold changer can hold the mold set. Further, even when a plurality of other processes are performed in one process of the work, the punch chip and the die chip can be exchanged from the punch and the die holder without removing the punch and the die.

Therefore, the mold set can be automatically replaced from the upper and lower mold holders, and the mold replacement does not take time, so that the work efficiency is improved. Further, by making the shape of the punch and the die holder rectangular, it becomes possible to process the product larger than before and the positioning of the die set becomes easy.

[Brief description of drawings]

FIG. 1 is a perspective view of a turret punch press showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a louver mold set used in FIG.

FIG. 3 is a top view of the punch used in FIG.

FIG. 4 is a side view of the punch used in FIG.

5 is a top view of the die holder used in FIG. 1. FIG.

6 is a side view of the die holder used in FIG. 1. FIG.

FIG. 7 is an explanatory view of the operation of the fully automatic exchange device used in FIG.

FIG. 8 is a sectional view of a work formed by the present invention.

[Explanation of symbols]

 1 Punch Press 9 Holder 11 Punch 13 Die Holder 15 Die 19 Mold Set 33 Punch Chip (Punch Side Blade) 47 Striker 51 Die Chip (Die Side Blade) 59, 63 Locking Part 65 Die Set Area 69 Die Automatic Replacement Device 71 Mold holding device

Claims (2)

[Scope of utility model registration request] 1. A punch holder, which is detachably attached in a horizontal direction to an upper die holder in a punch press, is provided with a vertically movable punch for performing louver forming of a plate material, the punch holder corresponding to the upper die holder. A die holder corresponding to the punch holder is detachably attached in the horizontal direction to the lower die holder provided in the above, and a die that cooperates with each of the punches is attached to the die holder. An louver mold for automatic replacement, characterized in that each of the louver molds is provided with an engaging portion with which a mold exchanging tool in the mold exchanging mounting is engaged. 2. A punch holder, which is detachably mounted in a horizontal direction with respect to an upper die holder in a punch press, is provided with a punch for performing louver forming of a plate material so as to be vertically movable. A die holder corresponding to the punch holder is detachably attached in the horizontal direction to the lower die holder provided in the above, and a die that cooperates with each of the punches is attached to the die holder. In the louver mold, each of which is provided with an engaging portion for engaging a mold exchanging tool in the mold exchanging and mounting, a punch and a die are provided to oppose each other, and a lower end portion of the punch is detachably replaceable. A punch side blade for molding is provided, and the die holder is provided with a removable die side blade for molding which is provided on the die so as to face the punch side blade for molding vertically. Louver mold for automatic replacement.