JP5427830B2 - Drilling device, punching die and exchanging method of punching die - Google Patents

Description

  The present invention relates to a punching device, a punch replacement method, a punching die, a punching die replacement method, a die plate, a die plate replacement method, a punching die mounting method, a setup die plate, and a setup positioning. Regarding pins.

FIG. 14 is a view for explaining a conventional punching die 910. FIG. 14A is a perspective view schematically showing a punching die 910, and FIG. 14B is a view of the die die 920 in the punching die 910 as viewed from above. (c) is CC sectional drawing of FIG.14 (b).
As shown in FIG. 14, a conventional punching die 910 has a die die 920 and a punch die 930. 14 (b), the die mold 920 is provided with four positioning holes 922, and the punching mold 930 is provided with four positioning holes 932. FIG. 14 (a) and FIG. As shown in FIG. 14C, positioning pins 940 are arranged in two positioning holes of the four positioning holes 922 and two positioning holes of the four positioning holes 932, respectively. Further, as shown in FIG. 14C, a positioning hole 903 into which two positioning pins 940 can be fitted is provided in the die mold mounting portion 902 in the punching device 900 (not shown). .

  For this reason, according to the conventional punching die 910, when replacing the punching die 910, (1) after removing the old punching die 910 from the punching device 900, (2) A new punching die 910 integrated by the two positioning pins 940 is placed on the die die attaching portion 902 of the punching device 900. Thereafter, (3) the positioning pin 940 is lowered and fitted in both the positioning hole 922 of the die mold 920 and the positioning hole 903 provided in the die mold mounting portion 902 of the punching device 900. The die mold 920 is positioned and fixed to the die mold mounting portion 902 of the punching device 900, and then (4) the positioning pin 940 is raised to locate the positioning hole 922 of the die mold 920 and the punch mold 930. The punching die 930 is positioned and fixed to a punching die mounting portion (not shown) of the punching device 900 in a state of being fitted in both the positioning holes 932. Finally, (5) after the positioning pin 940 is lowered again, the die mold 920 and the punch mold 930 are separated. According to the conventional punching die 910, the new punching die 910 can be accurately attached to the punching device 900 by performing the operations (1) to (5).

International Publication No. WO 2004/110665 Pamphlet (FIGS. 10 to 13)

  By the way, the punching die is normally replaced when the punch in the punching die is consumed or the die plate in the die die is consumed. However, in the conventional punching die 910, even if the punch in the punching die is consumed or the die plate in the die die is consumed in this way, the entire punching die 910 is completely removed. Therefore, it is necessary to prepare a spare for the entire punching die 910, and as a result, there is a problem that it is not easy to reduce the punching cost.

  Therefore, the present invention has been made to solve such a problem, and when the punch in the punch die is consumed or the die plate in the die die is consumed, the entire punching die is removed. Drilling device, punch exchanging method, punching die, punching die, which makes it easy to reduce the drilling cost by eliminating the need to prepare a spare for the entire punching die so that it does not need to be replaced It is an object to provide a mold exchanging method, a die plate, a die plate exchanging method, a drilling die attaching method, a setup die plate, and a setup positioning pin.

(1) A punching apparatus according to the present invention is a punching apparatus including a die mold, a punch mold having a punch, and a punch lifting mechanism that lifts and lowers the punch. And the punch lifting mechanism has a punch head gripping part capable of gripping the punch head, and the punching device grips the punch head on the punch head gripping part. And a gripping state control mechanism for releasing the gripping state of the punch head by the punch head gripping portion.

  For this reason, according to the punching device of the present invention, when the punch in the punch die is consumed, the punch head gripping portion is first used to cancel the punch head gripping state using the gripping state control mechanism. After the finished punch is removed from the punch mold, a new punch is inserted into the punch mold, and then the punch head grip can be gripped by the punch head grip using the grip control mechanism become. As a result, when the punch in the punching die is exhausted, it is possible to replace only the punch, and it is necessary to prepare a spare for the entire punching die as in the case of the conventional punching die. Disappear. As a result, the punching device of the present invention is a punching device that can easily reduce the punching cost.

(2) In the punching device according to (1), the punch lifting mechanism is slidable in a direction perpendicular to the lifting direction of the punch, and the gripping state control mechanism is configured to move the punch lifting mechanism to the punch. The punch head gripping part can be caused to grip the punch head gripping part, or the punch head gripping part can be released from the gripping state by sliding the punch head gripping part in a direction perpendicular to the lifting direction. preferable.

  With this configuration, the punch head gripping part can be made to grip the punch head by sliding the punch lifting mechanism in a direction perpendicular to the lifting direction of the punch using the gripping state control mechanism. The punch can be easily replaced by releasing the grip state of the punch head by the grip portion.

(3) The punch replacement method according to the present invention is a punch replacement method for replacing a punch in the punching device according to (1) above, wherein the gripping state of the punch head by the punch head gripping part is released. A step of removing the punch from the punch die, attaching a new punch to the punch die, and causing the punch head gripping portion to grip the punch head. Features.

Therefore, according to the punch replacement method of the present invention, when the punch in the punching die is consumed, the old punch is removed from the punching die and the new punch is inserted into the punching die so that only the punch is removed. Can be exchanged.
Therefore, according to the punch replacement method of the present invention, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and it is easy to reduce the punching cost. It becomes the exchange method of a punch.

(4) The punching die of the present invention is attached to a die holder having a die holder having a mounting portion for attaching to a punching device, a die plate attached to the die holder and provided with a die hole, and a punching device. And a punch die having a first punch plate attached to the punch holder and a second punch plate attached to the first punch plate and provided with a punch guide. A punching die for punching a workpiece, wherein at least two positioning holes are provided in each of the die holder, the die plate, the second punch plate, and the first punch plate. The die holder, the die plate, the second punch plate, and the first punch plate. Positioning pins having a length not exceeding the arithmetic sum of the thickness of the die plate and the thickness of the second punch plate are respectively inserted into the at least two positioning holes in the punching die. Further, positioning pin elevating means for elevating and lowering is provided.

Therefore, according to the punching die of the present invention, when the die plate in the die die is consumed, only the die plate and the second punch plate are removed from the punching die, and the new die plate and the second punch are removed. It is possible to attach the plate to a drilling die. As a result, according to the punching die of the present invention, when the die plate in the die die is consumed, it is possible to replace only the die plate and the second punch plate.
For this reason, according to the punching die of the present invention, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and it is easy to reduce the punching cost. Become a mold.

  In the punching die of the present invention, the positioning pin is set to a length that does not exceed the arithmetic sum of the thickness of the die plate and the thickness of the second punch plate. The positioning pin can be accommodated in the positioning hole in the punch plate, and the presence of the positioning pin does not become an obstacle when the die plate and the second punch plate are removed from the punching die.

  Further, according to the punching die of the present invention, since the positioning pin raising / lowering means for raising and lowering the positioning pin is further provided, when the new die plate and the second punch plate are attached to the punching die, the punching die is provided. It is possible to perform positioning operation between the die and the new die plate and the second punch plate, and when the die plate and the second punch plate are removed from the punching die, the positioning hole and the second punch in the die plate are removed. It becomes possible to store the positioning pins in the positioning holes in the plate.

(5) In the punching die according to (4) above, in each of the at least two positioning holes in the die holder, an elevating pin that can be moved up and down by an operator is arranged, and the first punch plate Each of the at least two positioning holes has a structure in which a second positioning pin different from the positioning pin can be inserted from the die holder side, and the positioning pin elevating means is the elevating pin and the second positioning pin. It is preferable that the positioning pin can be raised by the raising operation of the elevating pin and can be lowered by the lowering operation of the second positioning pin.

  With this configuration, it is possible to control the raising / lowering state of the positioning pin by the raising / lowering operation of the raising / lowering pin by the operation of the operator and the lowering operation of the second positioning pin.

  In the punching die of the present invention, the second positioning pin can be inserted and removed, so that the presence of the second positioning pin is an obstacle when the die plate and the second punch plate are removed from the punching die. It will never be.

(6) In the punching die according to (5), the die plate and the second punch plate further include a hole filling pin for filling the at least two positioning holes in the second punch plate. , The lower end of the hole-filling pin is inserted into the at least two positioning holes in the second punch plate from the die holder side instead of the second positioning pin. It is preferable to have a structure that can be disposed above the lower surface of the second punch plate by 0 μm to 100 μm.

  By configuring in this way, after exchanging the die plate and the second punch plate, the second positioning pin inserted in the positioning hole in the second punch plate is removed, and a hole-filling pin is inserted instead. The presence of the positioning hole provided in the second punch plate prevents the sheet-like workpiece from being damaged.

(7) In the punching die described in (4) above, in each of the at least two positioning holes in the die holder, lifting pins that can be lifted and lowered by an operator are arranged, and the positioning pin lifting and lowering means includes: The elevating pin is provided with an engaging portion capable of engaging the elevating pin and the positioning pin at an upper end portion of the elevating pin and a lower end portion of the positioning pin, and the elevating pin is provided on the die plate. A slide hole is provided for passing through, and when the die plate and the second punch plate are removed from the punching die, the lifting pin and the positioning pin are disengaged, and the die plate and the first 2 When the punch plate is attached to the punching die, the lifting pin and the positioning pin are engaged with each other. It is preferable.

  With this configuration, it is possible to control the lifting / lowering state of the positioning pin by the lifting / lowering operation of the lifting / lowering pin by operating the operation element.

In the punching die of the present invention, when removing the die plate and the second punch plate from the punching device, the die plate and the second punch plate are slid in the direction along the slide hole of the die plate. The die plate and the second punch plate can be detached from the punching die by releasing the engagement between the positioning pin and the elevating pin.
Further, when attaching the new die plate and the second punch plate to the punching device, by sliding the new die plate and the second punch plate in a state in which the positioning pins are accommodated in the direction along the slide hole of the die plate, The positioning pin and the elevation pin can be engaged, and the die plate and the second punch plate can be disposed between the die holder and the first punch plate.

(8) In the punching die according to any one of the above (4) to (7), the punching die is configured such that the upper end of the positioning pin is moved to the die by the operation of the operating element on the lifting pin. It is preferable to have a structure that can be disposed below the upper surface of the plate by 0 μm to 100 μm.

  By comprising in this way, it is suppressed that a sheet-like workpiece is damaged by presence of the positioning hole provided in the die plate.

(9) The exchanging die replacement method of the present invention is a exchanging die exchanging method for exchanging the die plate and the second punch plate at the same time in the punching die according to (5) above. A step of removing the die plate and the second punch plate from the punching die in a state where the positioning pin is housed in the positioning hole in the die plate and the second punch plate, and a positioning pin is housed in the positioning hole. Disposing a new die plate and a second punch plate in a state between the die holder and the first punch plate; and fitting the second positioning pin to the first punch plate and the second punch plate. In this state, the step of positioning and fixing the second punch plate to the first punch plate, and the second positioning And the positioning pin is fitted to the die plate and the die holder, and in this state, the die plate and the second punch plate are separated, and the die plate and the second punch plate And fixing the die plate to the die holder in a state where the positioning is performed.

Therefore, according to the punching die replacement method of the present invention, when the die plate in the die die is exhausted, the old die plate and the second punch plate are removed from the punching die and the punching die is replaced. By attaching a new die plate and a second punch plate, it is possible to replace only the die plate and the second punch plate.
Therefore, according to the exchanging method of the punching die of the present invention, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and the punching cost is reduced. This is an easy exchanging method for the punching die.

(10) The exchanging method of the punching die according to the present invention is a method for exchanging a punching die for simultaneously exchanging the die plate and the second punch plate in the punching die according to (7) above. In a state where the positioning pin is housed in a predetermined position of the positioning hole in the die plate and the second punch plate, the die plate and the second punch plate are slid in a direction along the slide hole of the die plate, A step of removing the die plate and the second punch plate from the punching die after releasing the engagement between the positioning pin and the elevating pin; and a new die plate in a state in which the positioning pin is housed in a predetermined position of the positioning hole And the second punch plate is slid in a direction along the slide hole of the die plate, and the positioning is performed. A step of engaging the pin with the lift pin and disposing the die plate and the second punch plate between the die holder and the first punch plate; and raising the lift pin to move the positioning pin to the first pin A step of fitting the first punch plate to the second punch plate, and in that state, positioning and fixing the second punch plate to the first punch plate; and lowering the elevating pin to move the positioning pin to the die plate In this state, the die plate and the second punch plate are separated from each other, and the die plate and the second punch plate are positioned. And fixing to the die holder.

Therefore, according to the punching die replacement method of the present invention, when the die plate in the die die is exhausted, the old die plate and the second punch plate are removed from the punching die and the punching die is replaced. By attaching a new die plate and a second punch plate, it is possible to replace only the die plate and the second punch plate.
Therefore, according to the exchanging method of the punching die of the present invention, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and the punching cost is reduced. This is an easy exchanging method for the punching die.

(11) A punching die according to the present invention includes a die holder having a mounting portion for mounting to a punching device, a die mold having a die plate attached to the die holder and provided with a die hole, and a punching device. A punch holder having a mounting portion and a punch die having a punch plate attached to the punch holder and provided with a punch guide having an inner diameter thicker than the inner diameter of the die hole. A drilling die for performing drilling, wherein each of the die holder and the die plate is provided with at least two positioning holes, and each of the at least two positioning holes in the die holder has an operator. A positioning pin that can be moved up and down is inserted, and the die plate is connected to the die hole. Serial characterized in that at least two positioning holes are die plate is die plate or the die holes formed at the same time formed on the basis of the said at least two positioning holes in the die plate in the same tool.

Therefore, according to the punching die of the present invention, when the die plate in the die die is consumed, only the die plate is removed from the punching die and a new die plate can be attached to the punching die. It becomes possible. As a result, according to the punching die of the present invention, when the die plate in the die die is consumed, it is possible to replace only the die plate.
For this reason, according to the punching die of the present invention, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and it is easy to reduce the punching cost. Become a mold.

  In the punching die of the present invention, as a die plate, a die plate in which a die hole and at least two positioning holes are simultaneously formed with the same tool or a die hole is based on at least two positioning holes in the die plate. Therefore, the position accuracy of the die hole with respect to at least two positioning holes is extremely high. As a result, when replacing the old die plate with a new die plate, the die hole in the die plate and the punch guide in the punch plate are automatically aligned by simply positioning and fixing the die plate to the die holder using the positioning holes and positioning pins. Therefore, highly accurate positioning can be easily performed.

(12) In the punching die described in (11) above, the distance between the die plate and the punch plate is a value within the range of 0.02 mm to 3.0 mm than the thickness of the sheet-like workpiece. It is preferable that the punching is performed on the sheet-like workpiece by raising and lowering only the punch in a state where the size is increased.

With this configuration, it becomes possible to perform punching on a sheet-like workpiece by raising and lowering only the punch, so that drilling can be performed at high speed.
In this case, when the difference between the distance between the die plate and the punch plate and the thickness of the sheet-like workpiece exceeds 3.0 mm, the processing accuracy of the punch may be reduced. On the other hand, when the difference between the distance between the die plate and the punch plate and the thickness of the sheet-like workpiece is less than 0.02 mm, the smooth movement of the punching die with respect to the sheet-like workpiece is hindered. The case will occur.

(13) In the punching die according to (11), the punch guide is a punch guide that protrudes from a lower surface of the punch plate toward the die plate, and the punch die is the punch holder. Or a punching die that further includes a half-pressing plate attached to the punch plate and provided with an opening corresponding to the punch guide, and the interval between the die plate and the half-pressing plate is set to be a sheet-like workpiece. It is also preferable that the punch is lifted and lowered in a state where it is increased by a value within a range of 0.02 mm to 0.3 mm from the thickness, and the sheet-like workpiece is punched.

Also with such a configuration, it becomes possible to perform punching on a sheet-like workpiece by raising and lowering only the punch, so that punching can be performed at high speed.
In this case, when the difference between the distance between the die plate and the half presser plate and the thickness of the sheet-like workpiece exceeds 0.3 mm, the sheet-like workpiece is pressed by pressing the sheet-like workpiece. In some cases, the effect of the half presser plate that suppresses the swell and the like is reduced. On the other hand, when the difference between the distance between the die plate and the half-pressing plate and the thickness of the sheet-like workpiece is less than 0.02 mm, the smooth movement of the punching die relative to the sheet-like workpiece is prevented. There are cases where it is hindered.

(14) In the punching die according to (11), the punch guide is a punch guide that protrudes from the lower surface of the punch plate toward the die plate, and the punch die is the punch holder. Alternatively, the punch die further includes a stripper plate attached to the punch plate and provided with an opening corresponding to the punch guide, and the sheet-like workpiece is pressed in a state where the stripper plate is pressed against the sheet-like workpiece. It is also preferred that the object is configured to be perforated.

  With this configuration, the sheet-like workpiece can be punched while the stripper plate is pressed against the sheet-like workpiece, so that high-precision drilling can be performed. .

(15) The die plate of the present invention is a die plate used in the punching die according to any one of (11) to (14) above, wherein the die hole and the at least two positioning holes are the same cutting. It is characterized by being formed simultaneously with a tool.

  For this reason, according to the die plate of the present invention, since the die hole and at least two positioning holes are formed simultaneously by the same cutting tool, the positional accuracy of the die hole with respect to the at least two positioning holes is extremely high. As a result, when replacing the old die plate with a new die plate, the die hole in the die plate and the punch guide in the punch plate are automatically aligned by simply positioning and fixing the die plate to the die holder using the positioning holes and positioning pins. Therefore, highly accurate positioning can be easily performed.

(16) The die plate of the present invention is a die plate used for the punching die according to any one of (11) to (14) above, wherein the die hole is the at least two positioning holes in the die plate. It is characterized by being formed on the basis of

  For this reason, according to the die plate of the present invention, since the die hole is formed with reference to at least two positioning holes in the die plate, the positional accuracy of the die hole with respect to the at least two positioning holes is extremely high. As a result, when replacing the old die plate with a new die plate, the die hole in the die plate and the punch guide in the punch plate are automatically aligned by simply positioning and fixing the die plate to the die holder using the positioning holes and positioning pins. Therefore, highly accurate positioning can be easily performed.

(17) The die plate replacement method of the present invention is a die plate replacement method in the punching die according to any one of (11) to (14) above, wherein the positioning pin is lowered to perform the positioning. Removing the die plate from the die holder with the pins retracted from the die plate, and positioning the new die plate on the die holder using the at least two positioning pins, and then attaching the die plate to the die holder. And a fixing step.

Therefore, according to the die plate replacement method of the present invention, when the die plate in the die mold is consumed, the old die plate is removed from the die holder and a new die plate is attached to the die holder, so that only the die plate is replaced. It becomes possible to do.
Therefore, according to the die plate replacement method of the present invention, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and it is easy to reduce the punching cost. This is a simple die plate replacement method.

(18) A method for attaching a punching die according to the present invention is a method for attaching a punching die for attaching the punching die according to any one of (11) to (14) above to a punching device. A step of fixing a punch die in a state in which no punch is inserted to a punch die attaching portion in a perforating apparatus; instead of the die hole, it is coaxial with the die hole and has the same inner diameter as the punch guide A step of temporarily fixing a die mold in a state in which a setup die plate having a second positioning hole having an inner diameter of the die is positioned and fixed to the die holder to a die mold mounting portion in a punching device; After a setup positioning pin having an outer diameter corresponding to the inner diameter is inserted into the punch guide, the die mold is used by using the setup positioning pin and the second positioning hole. The die plate and the punch plate are positioned while being finely moved, and the die mold is fixed to the die mold mounting portion in the punching device in a state where the die plate and the punch plate are positioned. And after removing the setup die plate from the die holder, using the positioning pins to position and fix a new die plate to the die holder, and removing the setup positioning pins from the punch mold And a step of inserting a new punch into the punching die.

  For this reason, according to the punching die mounting method of the present invention, the punch guide in the punch plate and the die plate using the punch guide in the punch plate, the second positioning hole in the setup die plate, and the setup positioning pin are provided. It becomes possible to attach the punching die to the punching device in a state where the die hole is in the correct positional relationship.

(19) The setup die plate of the present invention is a setup die plate used in the method for attaching a punching die described in (18) above, wherein the die hole is used instead of the die hole in the die plate. And a second positioning hole having the same inner diameter as the inner diameter of the punch guide.

  Therefore, by using the setup die plate of the present invention, it becomes possible to carry out the method for attaching a punching die described in the above (18).

(20) The setup positioning pin of the present invention is a setup positioning pin used in the method for attaching a punching die described in (18) above, and has an outer diameter corresponding to the inner diameter of the punch guide. Features.

  For this reason, by using the positioning pin for setup of the present invention, it is possible to carry out the method for attaching a punching die described in the above (18).

It is a figure shown in order to demonstrate the punching apparatus 10 which concerns on Embodiment 1. FIG. It is a figure shown in order to demonstrate the principal part of the punching apparatus 10 which concerns on Embodiment 1. FIG. It is a figure shown in order to demonstrate the replacement | exchange method of the punch in the punching apparatus 10 which concerns on Embodiment 1. FIG. FIG. 6 is a view for explaining a punching die 210 according to a second embodiment. FIG. 6 is a view for explaining a punching die 310 according to a third embodiment. FIG. 6 is a view for explaining a punching die 410 according to a fourth embodiment. It is a figure shown in order to demonstrate the die plate 440. FIG. It is a figure shown in order to demonstrate the die plate 440a as a modification of the die plate 440. FIG. It is a top view of the setup die plate 440z. FIG. 5 is a side view of a setup positioning pin 412z and a punch 412. 10 is a flowchart for explaining a procedure for exchanging a die plate 440 in a punching die 410 according to a fourth embodiment. FIG. 10 is a view for explaining a punching die 510 according to a fifth embodiment. FIG. 10 is a view for explaining a punching die 610 according to a sixth embodiment. It is a figure shown in order to demonstrate the conventional metal mold | die 910 for punching.

  Hereinafter, a perforating apparatus of the present invention will be described based on an embodiment shown in the drawings.

[Embodiment 1]
FIG. 1 is a view for explaining a punching device 10 according to the first embodiment. FIG. 1A is a front view of the punching device 10, and FIG. 1B is a plan view of the punching device 10. FIG. 2 is a view for explaining a main part of the punching device 10 according to the first embodiment. FIG. 2A is a perspective view of the punching mechanism 50 in the punching apparatus 10, and FIGS. 2B to 2D are views showing the operation of the punch lifting mechanism 60 in the punching apparatus 10. FIG. 3 is a view for explaining a punch replacement method in the punching apparatus 10 according to the first embodiment. FIG. 3A to FIG. 3F are diagrams showing each step of the punch exchange method.

  In the following description, the three directions orthogonal to each other are the x direction (parallel to the paper surface in FIG. 1 and the left-right direction), the y direction (the direction parallel to the paper surface in FIG. 1 and perpendicular to the x axis), and the z direction. (Direction perpendicular to the paper surface in FIG. 1).

  As shown in FIG. 1, the perforating apparatus 10 according to the first embodiment winds a base 20, a feeding mechanism 30 that feeds a roll-like workpiece into a sheet shape, and a sheet-like workpiece W in a roll shape. The punching device includes a take-up mechanism 40 and a punching mechanism 50 that is disposed between the take-up mechanism 30 and the take-up mechanism 40 and performs a punching process on the workpiece W of the sheet. The sheet-like workpiece W is intermittently sent along the x direction by a moving mechanism using a plurality of clampers. The punching mechanism 50 appropriately moves along the x direction parallel to the feeding direction of the sheet-like workpiece W and the y-direction perpendicular to the sheet-like workpiece W, and punches a necessary portion of the sheet-like workpiece W. It can be done.

As shown in FIG. 2, the punching mechanism 50 includes a punching mold 110 having a die mold 120 and a punching mold 130, and a punch lifting mechanism that lifts and lowers the two punches 140, 140 in the punching mold 130. 60.
The punch 140 has a punch main body 142 and a punch head 144, and the punch lifting mechanism 60 has punch head gripping portions 82 and 84 that can grip the punch head 144. The punching device 10 causes the punch head gripping portions 82 and 84 to grip the punch head 144 and releases the gripping state of the punch head 144 by the punch head gripping portions 82 and 84 (see FIG. (Not shown).

  For this reason, according to the punching apparatus 10 according to the first embodiment, when the punch 140 in the punching die 130 is consumed, first, the punch head 144 by the punch head gripping portions 82 and 84 is used by using the gripping state control mechanism. The used punch 140 is removed from the punching die 130 by releasing the gripping state of the punch, and then a new punch 140 is inserted into the punching die 130, and then the punch head gripping portion using the gripping state control mechanism 82 and 84 can grip the punch head 144 of the new punch 140. This makes it possible to replace only the punch 140 when the punch 140 in the punch mold 130 is consumed, and prepare a spare for the entire punching mold as in the case of the conventional punching mold. There is no need to keep it. As a result, the punching device 10 according to the first embodiment is a punching device that can easily reduce the punching cost.

  In the punching device 10 according to the first embodiment, as shown in FIG. 3, the punch lifting mechanism 60 is slidable in the x direction orthogonal to the lifting direction (z direction) of the punch 144, and the gripping state control mechanism is By sliding the punch raising / lowering mechanism 60 in the x direction, the punch head holding portions 82 and 84 are held by the punch head holding portions 82 and 84, or the punch head 144 holding state by the punch head holding portions 82 and 84 is released. It is configured so that.

  Therefore, according to the punching apparatus 10 according to the first embodiment, the punch head is slid in the x direction orthogonal to the lifting / lowering direction (z direction) of the punch 144 using the gripping state control mechanism. The punch 140 can be easily replaced by causing the gripping portions 82 and 84 to grip the punch head 144 or releasing the gripping state of the punch head 144 by the punch head gripping portions 82 and 84. .

  The punch replacement method in the punching apparatus 10 according to the first embodiment will be specifically described. The replacement of the punch in the punching device 10 according to the first embodiment is performed as follows (1) to (4).

(1) First, as shown in FIGS. 3A and 3B, the punch lifting mechanism 60 is slid in the −x direction, and the punch head 144 is gripped by the punch head gripping portions 82 and 84. Is released.
(2) Next, as shown in FIG. 3 (c), the old punch 140 is removed from the punching die 130.

(3) Next, as shown in FIG. 3 (d), a new punch 140 is inserted into the punch die 130.
(4) Finally, as shown in FIGS. 3E and 3F, the punch lifting mechanism 60 is slid in the + x direction so that the punch head holding portions 82 and 84 hold the punch head 144. .
Through the above steps, the old punch 140 and the new punch 140 can be exchanged.

Therefore, according to the punch replacement method in the punching apparatus 10 according to the first embodiment, when the punch 140 in the punching die 130 is consumed, the old punch 140 is removed from the punching die 110 and the punching die 110 is removed. By inserting a new punch 140, it is possible to replace only the punch.
For this reason, according to the punch exchanging method in the punching apparatus 10 according to the first embodiment, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and the punching cost is reduced. This is a punch replacement method that can be easily reduced.

[Embodiment 2]
FIG. 4 is a view for explaining the punching die 210 according to the second embodiment. FIG. 4A is a view schematically showing a cross section of the punching die 210, FIG. 4B is a view of the second punch plate 280 viewed from the lower surface, and FIG. 4C is a die plate. It is the figure which looked at 240 from the upper surface.

  As shown in FIG. 4, the punching die 210 according to the second embodiment includes a die holder 230 having a mounting portion for attaching to a die die mounting portion 202 in the punching device 200 (not shown), and a die holder 230. A die mold 220 having a die plate 240 provided with two die holes 244 and 244, a punch holder 260 having an attachment portion for attaching to a punch die attachment portion 204 in the punching apparatus 200, and a punch holder A punch die 250 having a first punch plate 270 attached to 260 and a second punch plate 280 attached to the first punch plate 270 and provided with two punch guides 284, 284, and a sheet-like workpiece. This is a punching die for punching a workpiece W.

  In the punching die 210 according to the second embodiment, the die holder 230, the die plate 240, the second punch plate 280, and the first punch plate 270 have two positioning holes 232, 242, 282, and 272, respectively. The two positioning holes 232, 242, 282, and 272 in the die holder 230, the die plate 240, the second punch plate 280, and the first punch plate 270 are provided with a thickness of the die plate 240 and a thickness of the second punch plate 280, respectively. Positioning pins 290 having a length not exceeding the arithmetic sum of are respectively inserted. The punching die 210 further includes positioning pin lifting / lowering means for lifting / lowering the positioning pin 290.

  In the punching die 210 according to the second embodiment, the two positioning holes 232 and 232 in the die holder 230 are respectively provided with lifting pins 292 that can be lifted and lowered by the operation element 294. Each of the two positioning holes 272 and 272 has a structure in which the second positioning pin 296 can be inserted from the die holder 230 side, and the positioning pin lifting and lowering means is the lifting pin 292 and the second positioning pin 296. Can be raised by the raising operation of the elevating pin 292 and can be lowered by the lowering operation of the second positioning pin 296. Reference numeral 297 shown in FIG. 4A indicates a hole-filling pin to be described later, reference numeral 246 shown in FIGS. 4A and 4C indicates a photographing hole in the die plate 240, and FIG. Reference numeral 286 shown in (b) indicates an illumination hole in the second punch plate 280.

Therefore, according to the punching die 210 according to the second embodiment, when the die plate 240 in the die die 220 is consumed, the die plate 240 and the second punch plate 280 are removed from the punching die 210, A new die plate 240 and a second punch plate 280 can be attached to the punching mold 210. As a result, according to the punching die 210 according to the second embodiment, when the die plate 240 in the die die 220 is consumed, only the die plate 240 and the second punch plate 280 can be replaced.
For this reason, according to the punching die 210 according to the second embodiment, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and the punching cost is reduced. Is easy to drill.

  In the punching die 210 according to the second embodiment, since the positioning pin 290 is set to a length that does not exceed the arithmetic sum of the thickness of the die plate 240 and the thickness of the second punch plate 280, the die plate The positioning pin 290 can be accommodated in the positioning hole 242 in the 240 and the positioning hole 282 in the second punch plate 280. When the die plate 240 and the second punch plate 280 are removed from the punching mold 210, the positioning pin 290 is removed. The presence of 290 does not become an obstacle.

  Further, the punching die 210 according to the second embodiment further includes the raising and lowering pins 292 and the second positioning pins 296 as positioning pin raising and lowering means for raising and lowering the positioning pins 290, and therefore, the new die plate 240 and the second punch When the plate 280 is attached to the punching die 210, the punching die 210 can be positioned with the new die plate 240 and the second punch plate 280. When the 240 and the second punch plate 280 are removed, the positioning pins 290 can be accommodated in the positioning holes 242 in the die plate 240 and the positioning holes 282 in the second punch plate 280.

  Further, according to the punching die 210 according to the second embodiment, the raising / lowering state of the positioning pin 290 can be controlled by the raising / lowering operation of the raising / lowering pin 292 and the lowering operation of the second positioning pin 296 by the operation of the operation element 294. become.

  In the punching die 210 according to the second embodiment, the second positioning pin 296 can be inserted and removed so that the die plate 240 and the second punch plate 280 are removed when the punching die 210 is removed from the punching die 210. 2 The presence of the positioning pin 296 does not become an obstacle.

  In the punching die 210 according to the second embodiment, two hole-filling pins 297 and 297 (one hole in FIG. 4A) for filling the two positioning holes 282 and 282 in the second punch plate 280 are used. (Only the buried pin 297 is shown), and after the die plate 240 and the second punch plate 280 are positioned and fixed, the buried pin is inserted into the positioning hole 282 in the second punch plate 280 instead of the second positioning pin 296. By inserting 297 from the die holder 260 side, the lower end of the hole-filling pin 297 can be disposed above the lower surface of the second punch plate 280 by 0 μm to 100 μm.

  Therefore, according to the punching die 210 according to the second embodiment, the second positioning pin 296 inserted into the positioning hole 282 in the second punch plate 280 after the die plate 240 and the second punch plate 280 are replaced. And inserting a hole-filling pin 297 in place thereof prevents the sheet-like workpiece W from being damaged due to the presence of the positioning hole 282 provided in the second punch plate 280.

  In the punching die 210 according to the second embodiment, the punching die 210 is arranged such that the upper end of the positioning pin 290 is lower than the upper surface of the die plate 240 by 0 μm to 100 μm by the operation of the operating element 294 in the lifting pin 292. It has a structure that makes it possible.

  For this reason, according to the punching die 210 according to the second embodiment, the presence of the positioning hole 242 provided in the die plate 240 prevents the sheet-like workpiece W from being damaged.

  In the punching die 210 according to the second embodiment, the positioning hole determination 232 of the die holder 230 is more than the positioning holes 242, 282, 272 of the die plate 240, the second punch plate 280, and the first punch plate 270. The inner diameter is set large, and the individual difference between the position of the die hole 244 in the die plate 240 and the position of the punch holder 282 in the second punch plate 280 and the position of the punch guide 272 in the first punch plate 270 is absorbed. It can be done.

  A method for exchanging the punching die in the punching die 210 according to the second embodiment will be specifically described. The exchanging die replacement method in the punching die 210 according to the second embodiment is a exchanging die exchanging method for exchanging the die plate 240 and the second punch plate 280 at the same time. Perform as in (4).

(1) First, the die plate 240 and the second punch plate 280 are removed from the punching mold 210 in a state where the positioning pins 290 are stored in the positioning holes 242 and 282 in the die plate 240 and the second punch plate 280.
(2) Next, a new die plate 240 and a second punch plate 280 in which the positioning pins 290 are stored in the positioning holes 242 and 282 are disposed between the die holder 230 and the first punch plate 270.

(3) Next, the second positioning pin 296 is fitted to the first punch plate 270 and the second punch plate 280, and in this state, the second punch plate 280 is positioned and fixed to the first punch plate 270.
(4) Finally, the second positioning pin 296 is lowered to fit the positioning pin 290 to the die plate 240 and the die holder 230, and in this state, the die plate 240 and the second punch plate 280 are separated from each other, The die plate 240 is fixed to the die holder 230 in a state where the die plate 240 and the second punch plate 280 are positioned.

For this reason, according to the exchanging method of the punching die according to the second embodiment, when the die plate 240 in the die die 220 is consumed, the old die plate 240 and the second punch plate 280 are removed from the punching die 210. By removing and attaching the new die plate 240 and the second punch plate 280 to the punching mold 210, it is possible to replace only the die plate 240 and the second punch plate 280.
For this reason, according to the exchanging method of the punching die according to the second embodiment, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching device, and the punching cost is reduced. This is an easy exchanging method for the punching die.

[Embodiment 3]
FIG. 5 is a view for explaining the punching die 310 according to the third embodiment. FIG. 5A is a view schematically showing a cross section of the punching die 310, FIG. 5B is a view of the second punch plate 380 viewed from the lower surface, and FIG. 5C is a die plate. FIG. 5D is a perspective view of the die plate 340. FIG.

  As shown in FIG. 5, the punching die 310 according to the third embodiment is attached to the die holder 330 and the die holder 330 having an attachment portion for attaching to the die die attachment portion 302 in the punching device 300 (not shown). A die mold 320 having a die plate 340 provided with two die holes 344 and 344, a punch holder 360 having an attachment portion for attaching to a punch die attachment portion 304 in the punching apparatus 300, and a punch holder 360, a first punch plate 370 attached to 360, and a punch die 350 having a second punch plate 380 attached to the first punch plate 370 and provided with two punch guides 384, 384. This is a punching die for punching a workpiece W.

The punching die 310 according to the third embodiment basically has the same configuration as the punching die 210 according to the second embodiment, but the configuration of the positioning pin lifting and lowering means is according to the second embodiment. Different from the punching mold 210.
That is, in the punching die 310 according to the third embodiment, the two positioning holes 332 and 332 in the die holder 330 are each provided with the lifting pins 392 that can be lifted and lowered by the operation element 394. In the punching die 310, the two lifting pins 392 and 392 correspond to positioning pin lifting means.

  An engaging portion 396 capable of engaging the elevating pin 392 and the positioning pin 390 is provided at the upper end portion of the elevating pin 392 and the lower end portion of the positioning pin 390, and the die plate 340 has the same diameter as the elevating pin 392. Two slide holes 348 and 348 having a width larger than that are provided along the y direction (see FIG. 5D). Then, when the die plate 340 and the second punch plate 380 are removed from the punching die 310, the punching die 310 is disengaged from the lifting pins 392 and the positioning pins 390, and the die plate 340 and the second punching plate 310 are released. When the plate 380 is attached to the punching die 310, the elevating pin 392 and the positioning pin 390 are engaged.

  For this reason, according to the punching die 310 according to the third embodiment, the lifting / lowering state of the positioning pin 390 can be controlled by the lifting / lowering operation of the lifting / lowering pin 392 by the operation of the operation element 394.

In the punching die 310 according to the third embodiment, when the die plate 340 and the second punch plate 380 are removed from the punching die 310, the die plate 340 and the second punch plate 380 are removed from the die plate 340. By sliding in the direction along the slide hole 348, the die plate 340 and the second punch plate 380 can be removed from the punching die 310 after the engagement between the positioning pin 390 and the elevating pin 392 is released.
Further, when the new die plate 340 and the second punch plate 380 are attached to the punching die 310, the new die plate 340 and the second punch plate 380 in the state in which the positioning pins 390 are accommodated are inserted into the slide holes 348 of the die plate 340. , The positioning pin 390 and the lifting pin 392 are engaged with each other, and the die plate 340 and the second punch plate 380 can be disposed between the die holder 330 and the first punch plate 370. it can.

  Since the punching die 310 according to the third embodiment has the same configuration as the punching die 210 according to the second embodiment except for the configuration of the positioning pin lifting and lowering means, the punching die according to the second embodiment. 210 has the corresponding effect as it is.

  A method for exchanging the punching die in the punching die 310 according to the third embodiment will be specifically described. The replacement of the punching die in the punching die 310 according to the third embodiment is a replacement method of the punching die in which the die plate 340 and the second punch plate 380 are replaced at the same time, and the following (1) to ( Perform as in 4).

(1) With the positioning pins 390 stored in the predetermined positions of the positioning holes 342 and 382 in the die plate 340 and the second punch plate 380, the die plate 340 and the second punch plate 380 are moved along the slide holes 348 of the die plate 340. The die plate 340 and the second punch plate 380 are removed from the punching die 310 after releasing the engagement between the positioning pin 390 and the elevating pin 392.

(2) Next, the new die plate 340 and the second punch plate 380 in which the positioning pins 390 are accommodated in the predetermined positions of the positioning holes 342 and 382 are slid in the direction along the slide hole 348 of the die plate 340 and positioned. The pins 390 and the lifting pins 392 are engaged, and the die plate 340 and the second punch plate 380 are disposed between the die holder 330 and the first punch plate 370.

(3) Next, the elevating pins 392 are moved upward to engage the positioning pins 390 with the first punch plate 370 and the second punch plate 380, and in this state, the second punch plate 380 is attached to the first punch plate 370. Fix the positioning.

(4) Finally, the elevating pins 392 are lowered to fit the positioning pins 390 to the die plate 340 and the die holder 330. In this state, the die plate 340 and the second punch plate 380 are separated from each other, and the die plate The die plate 340 is fixed to the die holder 330 in a state where the position of the 340 and the second punch plate 380 is positioned.

  Through the above steps, the old die plate 340 and the second punch plate 380 and the new die plate 340 and the second punch plate 380 can be exchanged.

For this reason, according to the exchanging method of the punching die according to the third embodiment, when the die plate 340 in the die die 320 is consumed, the old die plate 340 and the second punch plate 380 are removed from the punching die 310. By removing and attaching the new die plate 340 and the second punch plate 380 to the punching die 310, only the die plate 340 and the second punch plate 380 can be exchanged.
For this reason, according to the exchanging method of the punching die according to the third embodiment, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and the punching cost is reduced. This is an easy method for exchanging a punching die.

[Embodiment 4]
FIG. 6 is a view for explaining the punching die 410 according to the fourth embodiment. 6A is a view schematically showing a cross section of the punching die 410, FIG. 6B is a view of the punch plate 470 viewed from the lower surface, and FIG. 6C is a view showing the die plate 440. It is the figure seen from the upper surface. FIG. 7 is a view for explaining the die plate 440. FIG. 8 is a view for explaining a die plate 440 a as a modification of the die plate 440. FIG. 9 is a plan view of the setup die plate 440z. FIG. 10 is a side view of the setup positioning pin 412z and the punch 412. FIG. FIG. 11 is a flowchart for explaining the procedure for exchanging the die plate 440 in the punching die 410 according to the fourth embodiment.

  As shown in FIG. 6, the punching die 410 according to the fourth embodiment includes a die holder 430 and a die holder 430 each having an attachment portion for attaching to a die die attachment portion 402 in a punching device 400 (not shown). A die mold 420 having a die plate 440 to which the die hole 444 is attached and a punch holder 460 having an attachment portion for attaching to a punch die attachment portion 404 in the punching apparatus 400 and the punch holder 460 are attached. A punching die 450 having a punch plate 470 provided with a punch guide 472 having an inner diameter that is thicker than the inner diameter of the die hole 444, and for punching a sheet-like workpiece W. It is.

  In the punching die 410 according to the fourth embodiment, the die holder 430 and the die plate 440 are each provided with two positioning holes 432 and 442, and the two positioning holes 432 and 432 in the die holder 430 are each provided with Positioning pins 490 that can be moved up and down by an operator 492 are inserted. The die plate 440 is a die plate in which a die hole 444 and two positioning holes 442 and 442 are simultaneously formed with the same cutting tool 446 (see FIG. 7).

  Therefore, according to the punching die 410 according to the fourth embodiment, when the die plate 440 in the die die 420 is consumed, only the die plate 440 is removed from the punching die 410 and a new die plate 440 is attached. It can be attached to the punching die 410. As a result, according to the punching die 410 according to the fourth embodiment, when the die plate 440 in the die die 420 is consumed, only the die plate 440 can be replaced. For this reason, according to the punching die 410 according to the fourth embodiment, it is not necessary to prepare a spare for the entire punching die like the conventional punching die, and it is easy to reduce the punching cost. It becomes a mold for drilling.

  In the punching die 410 according to the fourth embodiment, the die hole 444 and the two positioning holes 442 and 442 are the same tool 446 (for example, a cutting tool, a grinding tool, an electric discharge machining tool, etc.) as a die plate. Since the die plate 440 formed simultaneously is provided, the positional accuracy of the die hole 444 with respect to the two positioning holes 442 and 442 is extremely high. As a result, when the old die plate 440 is replaced with a new die plate 440, the die plate 440 is simply positioned and fixed to the die holder 430 using the positioning hole 442 of the die plate 440, the positioning hole 432 of the die holder 430, and the positioning pin 490. Thus, the die hole 444 in the die plate 440 and the punch guide 472 in the punch plate 470 are automatically positioned, and high-precision positioning can be easily performed.

  In the punching die 410 according to the fourth embodiment, the two positioning holes 442a and 442a are photographed with an image sensor as a die plate, as shown in FIG. 8, and determined based on the photographing result. It is also possible to use a die plate 440a in which a die hole 444a is formed with reference to the positions of the two positioning holes 442a and 442a. Even in this case, the positional accuracy of the die hole 444a with respect to the two positioning holes 442a and 442a can be made extremely high. As a result, when the old die plate 440a is replaced with the new die plate 440a, the die plate 440a is simply positioned and fixed to the die holder 430 using the positioning hole 442a of the die plate 440a, the positioning hole 432 of the die holder 430, and the positioning pin 490. Thus, the die hole 444a in the die plate 440a and the punch guide 472 in the punch plate 470 are automatically positioned, and high-precision positioning can be easily performed.

  In the punching die 410 according to the fourth embodiment, the distance between the die plate 440 and the punch plate 470 is made larger than the thickness of the sheet-like workpiece W by a value within the range of 0.02 mm to 3.0 mm. In this state, only the punch 412 is moved up and down to perforate the sheet-like workpiece W.

  For this reason, according to the punching die 410 according to the fourth embodiment, only the punch 412 can be moved up and down to punch the sheet-like workpiece W, so that the punching can be performed at high speed. become.

  A method for replacing the die plate in the punching die 410 according to the fourth embodiment will be specifically described. The die plate replacement method in the punching die 410 according to the fourth embodiment is a die plate replacement method in which only the die plate 440 is replaced, and is performed as described in the following (1) to (2).

(1) First, the die plate 440 is removed from the die holder 430 with the positioning pins 490 lowered and the positioning pins 490 retracted from the die plate 440.
(2) Next, after placing the new die plate 440 on the die holder 430, the new die plate 440 is positioned on the die holder 430 using the two positioning pins 490, 490, and then the new die plate 440 is placed on the die holder 430. Fix it.
Through the above steps, the old die plate 440 and the new die plate 440 can be exchanged.

Therefore, according to the die plate replacement method according to the fourth embodiment, when the die plate 440 in the die mold 420 is consumed, the old die plate 440 is removed from the die holder 430 and the new die plate 440 is attached to the die holder 430. This makes it possible to replace only the die plate.
For this reason, according to the die plate replacement method according to the fourth embodiment, it is not necessary to prepare a spare for the entire punching die as in the case of the conventional punching die, and the punching cost is reduced. This is an easy die plate replacement method.

  Next, a method for attaching the punching die for attaching the punching die 410 according to the fourth embodiment to the punching device 400 will be specifically described. Attachment of the punching die 410 according to the fourth embodiment to the punching device 400 is performed as follows (1) to (5).

(1) The punch mold 450 in a state where the punch 412 is not inserted is fixed to the punch mold mounting portion 404 in the punching apparatus 400 (see step S10 in FIG. 11).
(2) Next, instead of the die hole 444, a setup die plate 440z provided with a second positioning hole 444z that is coaxial with the die hole 444 and has the same inner diameter as the inner diameter of the punch guide 472 is used as the die holder 430. The die mold (die holder 430) positioned and fixed to is temporarily fixed to the die mold attachment portion 402 in the punching apparatus 400 (see step S20 in FIG. 11).

(3) Next, after a setup positioning pin 412z having an outer diameter corresponding to the inner diameter of the punch guide 472 is inserted into the punch guide 472, a die metal is formed using the setup positioning pin 412z and the second positioning hole 444z. The die plate 440 and the punch plate 470 are positioned while the die 420 is finely moved, and the die die 420 is attached to the die die in the punching device 400 while the die plate 440 and the punch plate 470 are positioned. It fixes to the part 402 (refer step S30 of FIG. 11).
(4) Next, after removing the setup die plate 440z, the die plate 440 is positioned and fixed to the die holder 430 using the two positioning pins 490 and 490 (see step S40 in FIG. 11).

(5) Finally, after removing the setup positioning pins 412z, the punch 412 is inserted into the punch die 450 (see step S50 in FIG. 11).
Through the above steps, the punching die 410 can be attached to the punching device 410 with high accuracy.

  Therefore, according to the method for attaching the punching die according to the fourth embodiment, the punch guide in the punch plate 470 is formed using the punch guide 472, the second positioning hole 444z in the setup die plate 440z, and the setup positioning pin 412z. It becomes possible to attach the punching die 410 to the punching device 400 in a state where the position 472 and the die hole 444 in the die plate 440 are in the correct positional relationship.

The setup die plate 440z used in the fourth embodiment is provided with a second positioning hole 444z that is coaxial with the die hole 444 in the die plate 440 and has the same inner diameter as the inner diameter of the punch guide 472.
The setup positioning pins 412z used in the fourth embodiment have an outer diameter corresponding to the inner diameter of the punch guide 472.

[Embodiment 5]
FIG. 12 is a view for explaining the punching die 510 according to the fifth embodiment. 12A is a view schematically showing a cross section of the punching die 510, FIG. 12B is a view of the punch plate 570 viewed from the lower surface, and FIG. 12C shows the die plate 540. It is the figure seen from the upper surface.

  As shown in FIG. 12, the punching die 510 according to the fifth embodiment includes a die holder 530 and a die holder 530 each having an attachment portion for attaching to a die die attachment portion 502 in a punching device 500 (not shown). A die mold 520 having a die plate 540 provided with a die hole 544 and a punch holder 560 having an attachment portion for attaching to a punch die attachment portion 504 in the perforating apparatus 500, and the punch holder 560. A punching die 550 having a punch plate 570 provided with a punch guide 572 having an inner diameter larger than the inner diameter of the die hole 544, and for punching a sheet-like workpiece W. It is.

The punching die 510 according to the fifth embodiment has basically the same configuration as the punching die 410 according to the fourth embodiment, but (a) the punch guide 572 is formed from the lower surface of the punch plate 570. The punching die 410 according to the fourth embodiment is different from the punching die 410 according to the fourth embodiment in that it has a protruding portion and (b) a half presser plate 580.
That is, in the punching die 510 according to the fifth embodiment, (a) the punch guide 572 protrudes from the lower surface of the punch plate 570, and the punching die 510 according to the fifth embodiment further includes a half presser plate 580. ing.

  As described above, the punching die 510 according to the fifth embodiment is the punching punch according to the fourth embodiment in that the punch guide 572 further protrudes from the lower surface of the punch plate 570 and the half presser plate 580. Although different from the case of the mold 410, as in the case of the drilling mold 410 according to the fourth embodiment, the die plate 540 includes a cutting tool 546 (see FIG. 5) in which the die hole 544 and the two positioning holes 542 and 542 are the same. (Not shown)), when the die plate 540 in the die mold 520 is consumed, only the die plate 540 is removed from the punching die 510 and a new die plate 540 is used for punching. It can be attached to the mold 510.

  As a result, according to the punching die 510 according to the fifth embodiment, when the die plate 540 in the die die 520 is consumed, only the die plate 540 can be replaced. Therefore, according to the punching die 510 according to the fifth embodiment, it is not necessary to prepare a spare for the entire punching die as in the conventional punching die, and it is easy to reduce the punching cost. It becomes a mold for drilling.

  In the punching die 510 according to the fifth embodiment, the punch guide 572 is a punch guide that protrudes from the lower surface of the punch plate 570 toward the die plate 540, and the punch die 550 is the punch holder 560 or punch punch 560. The punch die further includes a half presser plate 580 attached to the plate 570 and provided with an opening corresponding to the punch guide 572. In the punching die 510 according to the fifth embodiment, the distance between the die plate 540 and the half presser plate 580 is a value within the range of 0.02 mm to 0.3 mm from the thickness of the sheet-like workpiece W. Only the punch 512 is moved up and down in a state where it is enlarged, and the sheet-like workpiece W is punched.

  For this reason, in the punching die 510 according to the fifth embodiment, as in the punching die 410 according to the fourth embodiment, only the punch can be raised and lowered to punch the sheet-like workpiece W. As a result, drilling can be performed at high speed.

[Embodiment 6]
FIG. 13 is a view for explaining a punching die 610 according to the sixth embodiment. FIG. 13A is a view schematically showing a cross section of the punching die 610, FIG. 13B is a view of the second punch plate 670 viewed from the lower surface, and FIG. 13C is a die plate. It is the figure which looked at 640 from the upper surface.

  As shown in FIG. 13, a punching die 610 according to the sixth embodiment includes a die holder 630 having a mounting portion for mounting to a die mold mounting portion 602 in a punching device 600 (not shown), and a die holder 630. A die mold 620 having a die plate 640 provided with a die hole 644 attached thereto, a punch holder 660 having an attachment portion for attaching to a punch die attachment portion 604 in the punching apparatus 600, and the punch holder 660. A punch die 650 having a punch plate 670 provided with a punch guide 672 having an inner diameter thicker than the inner diameter of the die hole 644, and a punching die for punching a sheet-like workpiece W It is.

  A punching die 610 according to the sixth embodiment has basically the same configuration as the punching die 510 according to the fifth embodiment, but includes a stripper plate 680 instead of the half presser plate 580. This is different from the case of the punching die 510 according to the fifth embodiment.

  As described above, the punching die 610 according to the sixth embodiment includes the stripper plate 680 instead of the half presser plate 580 as described above, and is therefore the case of the punching die 510 according to the fifth embodiment. Unlike the case of the punching die 510 according to the fifth embodiment, the die plate 640 is a cutting tool 646 (not shown) in which the die hole 644 and the two positioning holes 642 and 642 are the same. Since the die plate is formed at the same time, when the die plate 640 in the die mold 620 is consumed, only the die plate 640 is removed from the punching mold 610 and a new die plate 640 is attached to the punching mold 610. It becomes possible.

  As a result, according to the punching die 610 according to the sixth embodiment, when the die plate 640 in the die die 620 is consumed, only the die plate 640 can be replaced. For this reason, according to the punching die 610 according to the sixth embodiment, it is not necessary to prepare a spare for the entire punching die like the conventional punching die, and it is easy to reduce the punching cost. It becomes a mold for drilling.

  In the punching die 610 according to the sixth embodiment, the punch guide 672 is a punch guide that protrudes from the lower surface of the punch plate 670 to the die plate 640 side, and the punch die 650 is the punch holder 660 or punch punch. The punch die is further provided with a stripper plate 680 attached to the plate 670 and provided with an opening corresponding to the punch guide 672, and the sheet-like workpiece is pressed with the stripper plate 680 pressed against the sheet-like workpiece W. The workpiece is configured to be perforated.

  For this reason, according to the punching die 610 according to the sixth embodiment, the sheet-like workpiece W can be punched in a state where the stripper plate 680 is pressed against the sheet-like workpiece W. High precision drilling can be performed.

  As described above, the punching device, the punch replacement method, the punching die, the punching die replacement method, the die plate, the die plate replacement method, the punching die mounting method, the setup die plate, and the setup die according to the present invention. Although the positioning pin has been described based on each of the above embodiments, the present invention is not limited to each of the above embodiments, and can be implemented in various modes without departing from the gist thereof.

  DESCRIPTION OF SYMBOLS 10 ... Punching device, 20 ... Base, 30 ... Feeding mechanism, 40 ... Winding mechanism, 50 ... Punching mechanism, 60 ... Punch raising / lowering mechanism, 62 ... Motor, 64, 68 ... Pulley, 66 ... Belt, 70 ... Connecting shaft 72 ... Rod end, 74 ... Pendulum member, 76 ... Rotating shaft, 78, 80 ... Elevating member, 82, 84 ... Punch head gripping part, 110, 210, 310, 410, 510, 610 ... Die for punching, 120, 220, 320, 420, 520, 620 ... Die mold, 130, 230, 330, 430, 530, 630 ... Punch mold, 140, 212, 312, 412, 512, 612 ... Punch, 142 ... Punch main body, 144... Punch head, 202, 302, 402, 502, 602... Die mold mounting portion, 204, 304, 404, 504, 604. Soldering part, 230, 330, 430, 530, 630 ... Die holder, 232, 242, 272, 282, 332, 342, 372, 382, 432, 442, 532, 542, 632, 642 ... Positioning holes, 236, 246 , 336, 346... Shooting holes, 240, 340, 440, 440 a, 540, 640 ... Die plates, 244, 344, 444, 444 a, 544, 644 ... Die holes, 260, 360, 460, 560, 660 ... Punches Holder, 270, 370 ... 1st punch plate, 280, 380 ... 2nd punch plate, 284, 384, 472, 572, 672 ... Punch guide, 286, 386 ... Hole for illumination, 290, 390, 490, 590, 690 ... Positioning pins, 292, 392 ... Elevating pins, 294, 394, 494, 59 , 694 ... Operator, 296 ... Second positioning pin, 297 ... Filling pin, 348 ... Slide hole, 396 ... Engagement part, 412z ... Setup positioning pin, 440z ... Setup die plate, 444z ... Second positioning hole 446: Cutting tool, 470, 570, 670 ... Punch plate, 574, 674 ... Through hole, 580 ... Half presser plate, 680 ... Stripper plate, W ... Sheet-like workpiece

Claims (7)

"A die holder having a die holder having an attachment part for attachment to a punching device and a die plate attached to the die holder and provided with a die hole;
A punch mold having a punch holder having an attachment portion for attachment to a punching device, and a punch plate provided with a punch guide attached to the punch holder and having an inner diameter larger than the inner diameter of the die hole. A drilling die for drilling a workpiece of
Each of the die holder and the die plate is provided with at least two positioning holes,
In each of the at least two positioning holes in the die holder, a positioning pin that can be moved up and down by an operator is inserted.
The die plate is a die plate in which the die hole and the at least two positioning holes are formed simultaneously with the same cutting tool, or a die in which the die hole is formed with reference to the at least two positioning holes in the die plate. A method of attaching a punching die for attaching a punching die as a plate to a punching device,
“A step of fixing the punch mold in a state where the punch is not inserted to the punch mold mounting portion in the punching device;
Instead of the die hole, for a die in a state in which a setup die plate provided with a second positioning hole that is coaxial with the die hole and has the same inner diameter as the punch guide is positioned and fixed to the die holder Temporarily fixing the mold to the die mounting portion of the die in the drilling device;
After the setup positioning pin having an outer diameter corresponding to the inner diameter of the punch guide is inserted into the punch guide, the die is moved finely using the setup positioning pin and the second positioning hole. Positioning the plate and the punch plate, and fixing the die mold to the die mold mounting portion in the punching device in a state where the die plate and the punch plate are positioned;
After removing the setup die plate from the die holder, using the positioning pins to position and fix a new die plate to the die holder;
A die plate for setup used in a mounting method of a punching die including a step of inserting a new punch into the punch die after removing the setup positioning pin from the punch die,
A setup die plate characterized in that, instead of the die hole in the die plate, a second positioning hole is provided which is coaxial with the die hole and has the same inner diameter as the inner diameter of the punch guide . "A die holder having a die holder having an attachment part for attachment to a punching device and a die plate attached to the die holder and provided with a die hole;
A punch mold having a punch holder having an attachment portion for attachment to a punching device, and a punch plate provided with a punch guide attached to the punch holder and having an inner diameter larger than the inner diameter of the die hole. A drilling die for drilling a workpiece of
Each of the die holder and the die plate is provided with at least two positioning holes,
In each of the at least two positioning holes in the die holder, a positioning pin that can be moved up and down by an operator is inserted.
The die plate is a die plate in which the die hole and the at least two positioning holes are formed simultaneously with the same cutting tool, or a die in which the die hole is formed with reference to the at least two positioning holes in the die plate. A method of attaching a punching die for attaching a punching die as a plate to a punching device,
“A step of fixing the punch mold in a state where the punch is not inserted to the punch mold mounting portion in the punching device;
Instead of the die hole, for a die in a state in which a setup die plate provided with a second positioning hole that is coaxial with the die hole and has the same inner diameter as the punch guide is positioned and fixed to the die holder Temporarily fixing the mold to the die mounting portion of the die in the drilling device;
After the setup positioning pin having an outer diameter corresponding to the inner diameter of the punch guide is inserted into the punch guide, the die is moved finely using the setup positioning pin and the second positioning hole. Positioning the plate and the punch plate, and fixing the die mold to the die mold mounting portion in the punching device in a state where the die plate and the punch plate are positioned;
After removing the setup die plate from the die holder, using the positioning pins to position and fix a new die plate to the die holder;
A stepping positioning pin for use in a mounting method of a punching die including a step of inserting a new punch into the punching die after removing the setup positioning pin from the punching die,
A setup positioning pin having an outer diameter corresponding to an inner diameter of the punch guide . A die holder having a die holder having an attachment portion for attachment to a perforation device, and a die plate attached to the die holder and provided with a die hole;
A punch holder having an attachment part for attachment to a punching device, a first punch plate attached to the punch holder, and a second punch plate attached to the first punch plate and provided with a punch guide; With
A punching die for punching a sheet-like workpiece,
Each of the die holder, the die plate, the second punch plate, and the first punch plate is provided with at least two positioning holes,
The at least two positioning holes in any one of the die holder and the die plate, the die plate and the second punch plate , and the second punch plate and the first punch plate have a thickness of the die plate and the second plate. The die plate is fixed to the die holder in a state where positioning pins having a length not exceeding the arithmetic sum of the thickness of the punch plate are inserted and the die plate and the second punch plate are positioned. The second punch plate is fixed to the first punch plate;
The punching die further comprises positioning pin lifting / lowering means for lifting and lowering the positioning pin. The punching die according to claim 3 ,
In each of the at least two positioning holes in the die holder, lifting pins that can be lifted and lowered by an operator are arranged,
Each of the at least two positioning holes in the first punch plate has a structure in which a second positioning pin different from the positioning pin can be inserted from the die holder side,
The positioning pin elevating means is the elevating pin and the second positioning pin,
The punching die, wherein the positioning pin can be raised by the raising operation of the lifting pin and can be lowered by the lowering operation of the second positioning pin. The punching die according to claim 4 ,
A hole filling pin for filling the at least two positioning holes in the second punch plate;
After positioning and fixing the die plate and the second punch plate, instead of the second positioning pin, the hole-filling pin is inserted into the at least two positioning holes in the second punch plate from the die holder side. A punching die having a structure in which a lower end of the hole-filling pin can be disposed above the lower surface of the second punch plate by 0 μm to 100 μm. The punching die according to claim 3 ,
In each of the at least two positioning holes in the die holder, lifting pins that can be lifted and lowered by an operator are arranged,
The positioning pin elevating means is the elevating pin,
An engaging portion capable of engaging the elevating pin and the positioning pin is provided at an upper end portion of the elevating pin and a lower end portion of the positioning pin,
The die plate is provided with a slide hole for passing the lifting pins,
When removing the die plate and the second punch plate from the punching die, the lift pins and the positioning pins are disengaged, and the die plate and the second punch plate are attached to the punching die. Further, the punching die has a structure in which the elevating pin and the positioning pin are engaged with each other. The punching die according to any one of claims 3 to 6 ,
The punching die has a structure in which the upper end of the positioning pin can be disposed below the upper surface of the die plate by 0 μm to 100 μm by the operation of the operation element on the lifting pin. Die for drilling.

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