JP2008018451A - Press die clamping device, press die, and press machine equipped with them - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a clamping device for a press die, which enables easy attachment of the lower die of a large press die for bending and easy retention of the lower die of a small press die for bending, e.g. partial bending of a product, without troublesome bolting, and which reduces the retooling time for replacement of the lower die needed to respond to e.g. changes of the to-be-bent position for a product and the thickness of a platy workpiece, a press die for the device and a press machine equipped with the device and the die. <P>SOLUTION: The clamping device has a die holder body 1 consisting of one or more die holders supporting the lower die 102 of a press die 100 used in press working, and a magnet member 2 which is embedded in an upper face of the holder body 1 having one or more steps and retains the lower die 102 of the to-be-held press die 100 at a specified position through magnetic force. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a press-type clamping device, a press die, and a press working machine including the press-type clamping device and the press die. Specifically, a press-type clamping device that supports and holds a press die used in press processing at a predetermined position, a press die used for press processing, and press processing that includes the press-type clamp device and the press die and performs press processing Related to the machine.

In a conventional press-type clamp device, a press die, and a press machine equipped with the press-type clamp device and the press die, when the plate material is bent with a press brake, The lower mold is clamped on the die holder.
FIG. 5 is an enlarged view of the basic configuration of the clamping means of the conventional press-type clamping device 3000.
In FIG. 5, the clamping means of the conventional press type clamping device 3000 is a clamping device provided with a washer 3003 in a bolt hole 3002 formed in a die holder 3001 mounted on a lower table 3201 of a press brake which is a press machine 3200. Generally, a means for inserting the bolt 3004 and screwing it into the screw hole 3101 provided in the lower die 3102 of the press brake type of the press die 3100 through the bolt hole 3002 and fixing the lower die 3102 to the die holder 3001 is general.

In order to eliminate the complexity of bolt tightening and improve workability, Patent Document 1 includes a locking portion that presses or releases the tightening members provided at a plurality of locations on the lower surface of the lower mold. It is also shown that a cylinder that contacts the upper and lower surfaces of the other end of the swinging member provided rotatably in the die holder and a pressing member that operates the machine with fluid pressure are shown.
In addition, in Patent Document 2, a swing member provided with a locking portion that presses or releases a locking surface of a tightening portion that is suspended from a lower mold downward is provided in a die holder so as to be rotatable. A screw part is provided at one end of the die holder, and a rotary shaft that is screwed into the screw part is provided, and the lower die is fixed by rotating the rotary shaft.

  Further, Patent Document 3 provides a notch portion through which a tightening portion suspended from the lower surface of a lower mold that is detachably mounted on a die holder can be removed in order to eliminate the complexity of bolt tightening and improve workability. A swinging member provided at one end with a locking member that presses the locking surface of the lower clamping part supported on the die holder downward is freely movable on the die holder, The lower die on the die holder is fixed by providing a pressing device with an elastic machine that always presses and biases the other end of the swinging member so that the locking surface of the lower die clamping part is always pressed downward. is doing.

The prior art described above is based on the premise that a clamping device is incorporated into the die holder or lower table on the press brake main body side, which increases the cost of the press brake device and the conventional hand-held press brake. In order to carry out the remodeling of the system, a large amount of money and days are required, which hinders business operations and increases costs.
Further, the lower mold of the mold to be attached is a large object, for example, a die having a length close to the width of the press brake. It was unsuitable for the use of a relatively small lower mold for bending only a part of the product, and there was a problem that unprofitability such as the fact that there was equipment but it could not be used.
Japanese Patent No. 2500246 Japanese Examined Patent Publication No. 7-90281 Japanese Patent Publication No.8-11250

  The conventional press-type clamping device, press die, and the press processing machine equipped with the press-type clamping device and the press die are based on the premise that the bolting is complicated and the clamping device is incorporated in the die holder or lower table on the press brake body side. This increases the cost of the press brake equipment, and it takes a lot of time and time to modify the existing press brake, which hinders work and increases costs. In addition, the lower mold of the press mold to be mounted is intended for large objects, for example, dies having a length close to the width of the press brake, and can be used for relatively small lower molds for bending only a part of the product. Was unsuitable, and there was a problem that unprofitability such as unusable, although there were facilities, occurred.

  Therefore, an object of the present invention is to solve such problems. In other words, holding the lower die of a small bending press that can be used to bend a part of a product from the mounting of the lower die of a large bending press without the need for bolting. , Press mold clamping device, press mold, and its press that can be easily performed and can shorten the setup time of lower mold exchange required to respond to changes in the bending position of the product and the plate thickness of the plate work An object of the present invention is to provide a press working machine including a die clamping device and a press die.

In order to achieve the above object, the present invention described in claim 1 is a press-type clamping device for supporting a press die used at the time of pressing at a predetermined position, and has a support surface for supporting the lower die of the press die. And a die holder main body constituted by one or a plurality of die holders, and a magnet member embedded in a support surface of the die holder main body and holding the lower mold via magnetic force.
Alternatively, the present invention according to claim 2 is the press-type clamping device according to claim 1, wherein the die holder is formed with a groove in a direction parallel to a reference line in a predetermined direction on the upper surface, and a magnet member is provided in the groove. A parallel die holder to be embedded is provided.

Alternatively, the present invention described in claim 3 is the press-type clamping device according to claim 1 or 2, wherein the die holder forms a groove in a direction perpendicular to a reference line in a predetermined direction on the upper surface, and the groove An orthogonal die holder for embedding the magnet member is provided.
Alternatively, according to a fourth aspect of the present invention, in the press-type clamping device according to the first, second, or third aspect, the die holder includes a clamping and fixing die holder that is clamped and fixed to a lower table of a press machine. It is characterized by that.
Alternatively, the present invention according to claim 5 is the press-type clamping device according to claim 4, wherein the clamping and fixing die holder includes a clamping and fixing part that is clamped and fixed to the lower table of the press machine. It is characterized by providing.

Alternatively, according to a sixth aspect of the present invention, in the press-type clamping device according to any one of the first to fifth aspects, the die holder is a direction parallel to or perpendicular to the reference line of the lower die to be supported. Guide means for restricting and guiding the movement to is provided.
Alternatively, according to a seventh aspect of the present invention, in the press-type clamping device according to any one of the first to sixth aspects, the guide means is parallel or orthogonal to the reference line of the lower mold to be supported. A groove-shaped guide groove that regulates and guides movement to the guide, and a convex shape that regulates and guides movement of the lower mold that fits and supports the guide groove in a direction parallel to or orthogonal to the reference line And a convex portion guide.

Alternatively, the present invention according to claim 8 is the press-type clamping device according to claim 7, wherein the guide groove is formed on an upper surface of the parallel die holder or the orthogonal die holder so as to embed the magnet member. It is a groove | channel of a direction or the groove | channel of the said orthogonal direction, It is characterized by the above-mentioned.
Alternatively, according to the ninth aspect of the present invention, in the press-type clamping device according to the seventh or eighth aspect, the convex portion guide includes a lower surface convex portion guide formed on a lower surface of the parallel die holder or the orthogonal die holder. It is characterized by that.
Alternatively, the present invention described in claim 10 is the press-type clamping device according to claim 9, wherein the lower surface of the lower surface convex guide formed on the lower surface of the parallel die holder or the orthogonal die holder is embedded in the groove. The magnet member is provided in contact with the upper surface of the magnet member.

Alternatively, the present invention according to claim 11 is the press-type clamping device according to any one of claims 7 to 10, wherein the convex guide is an upper surface formed on an upper surface of the parallel die holder or the orthogonal die holder. A convex portion guide is provided.
Alternatively, the present invention according to claim 12 is a press mold used for press working, wherein the upper mold pressed from the upper surface and the lower mold for performing press working by inserting a plate work between the upper mold and the upper mold And a lower mold convex guide that fits into the guide groove of the press mold clamping device according to any one of claims 1 to 11 formed on a lower surface of the lower mold. .
Alternatively, according to a thirteenth aspect of the present invention, in the press die according to the twelfth aspect, the lower surface of the lower die is an upper surface of the press die clamping device according to any one of the first to eleventh aspects. And a lower mold guide groove fitted to the convex guide.

Alternatively, the present invention described in claim 14 is a press machine that performs press processing using a press mold, and the press mold clamp device according to any one of claims 1 to 11 and the press mold clamp. A lower table that supports the apparatus, and a slider that holds and presses the upper mold are provided.
Alternatively, according to a fifteenth aspect of the present invention, in the press machine according to the fourteenth aspect, the lower table includes a clamp member that fastens and fixes the tightening fixing portion of the press-type clamp device. Features.

  According to the present invention, it is possible to hold the lower die of a small bending press die so as to bend a part of the product from the attachment of the lower die of the large bending press die without the need for bolt tightening. Can be easily performed, press mold clamping device, press mold, and the press that can reduce the lower mold replacement setup time required to respond to changes in product bending position and plate work thickness A press machine provided with a mold clamping device and a press die can be provided.

Embodiments of the present invention will be described below in detail with reference to the drawings.
FIG. 1 is a front sectional view of a basic configuration of a press-type clamp device 10 according to an embodiment of the present invention.
FIG. 2 is a top view of the basic configuration of the press-type clamp device 10 according to the embodiment of the present invention.
FIG. 3 is a side view of the basic configuration of a press machine 200 including the press mold clamping device 10 and the upper mold 101 and the lower mold 102 of the press mold 100 according to the embodiment of the present invention.
FIG. 4 is a side view of the basic configuration in a state where the press mold clamping device 10 and the lower mold 102 of the press mold 100 provided in the press machine 200 according to the embodiment of the present invention are moved.

1 and 2, a press mold clamping device 10 that supports and holds a press die used at the time of press processing in a predetermined position is one or a plurality of die holders that support a lower die 102 of the press die 100 used at the time of press processing. And a magnet member 2 for holding the lower die 102 of the press die 100 in a predetermined position via magnetic force on the support surface of the die holder main body 1.
Here, the die holder body 1 has a three-stage configuration in which a parallel die holder 11, an orthogonal die holder 12, and a fastening fixed die holder 13 are sequentially stacked from above.
The parallel die holder 11 embeds the magnet member 2 in a groove 20 formed on the upper surface in parallel with the reference line (left and right axis of the press die 100) 3 in the horizontal direction of the arrow (A) shown in the figure. The orthogonal die holder 12 embeds the magnet member 2 in a groove 20 formed on the upper surface perpendicular to the reference line 3. The clamping / fixing die holder 13 includes a clamping / fixing portion 4 that is clamped and fixed to the lower table 201 of the press machine 200 by a clamp member 211.

  The guide means 5 provided in the die holder body 1 includes a guide groove 50 having a groove shape for guiding the lower mold 102 of the press mold 100 to be supported by restricting a movement direction in a direction parallel or orthogonal to the reference line 3, and a guide A convex-shaped convex guide 51 is provided that guides the lower mold 102 of the press mold 100 fitted and supported by the groove 50 while regulating the movement direction in a direction parallel to or perpendicular to the reference line 3. The guide groove 50 of the guide means 5 is a groove 20 that is formed on the upper surfaces of the parallel die holder 11 and the orthogonal die holder 12 to embed the magnet member 2, and the lower mold guide groove 55 is also formed on the lower surface of the lower mold 102 of the press mold 100. Is formed. The convex guide 51 that fits with the guide groove 50 is formed on the lower surface of the parallel die holder 11 and is formed on the lower surface convex guide 52 that fits with the groove 20 and the upper surface of the parallel die holder 11 that fits with the lower guide groove 55. An upper surface convex guide 53 to be formed, and a lower mold convex guide 54 which is formed on the lower surface of the lower die 102 of the press die 100 and is fitted to the groove 20 are formed.

  The lower surface of the lower surface convex guide 52 formed on the lower surface of the parallel die holder 11 and the lower surface of the lower mold convex guide 54 formed on the lower surface of the lower mold 102 of the press die 100 are formed on the upper surfaces of the parallel die holder 11 and the orthogonal die holder 12. By approaching or contacting the upper surface of the magnet member 2 embedded in the groove 20, the lower mold 102 of the press mold 100 supported by effectively utilizing the magnetic force of the magnet member 2 can be reliably held at a predetermined position.

3 and 4, a press machine 200 that performs press processing using a press die is a press brake 2000 that performs bending processing, and performs bending processing of a plate work (W) that is a lower die 102 of the press die 100. The lower table 201 supporting the press brake lower mold 1002 of the press brake mold 1000 to be performed, and the press brake upper mold 1001 of the press brake mold 1000 for bending which is the upper mold 101 of the press mold 100 are held in the hydraulic cylinder 203. The slider 202 that adjusts and presses the hydraulic pressure of the press and the press-type clamp device 10 are provided.
On the lower table 201, a fastening and fixing die holder 13 is attached. The clamping and fixing portion 4 is clamped and fixed on the clamping and fixing die holder 13 and the lower table 201 by the claws of the clamp member 211.

On the upper surface of the orthogonal die holder 12, a groove 20 that is a guide groove 50 of one or a plurality of guide means 5 is formed in a direction orthogonal to the reference line 3 that is the left-right axis of the press brake 2000 shown in FIGS. It is provided. The magnet member 2 is embedded in parallel with the groove 20. This magnet member 2 is in contact with or close to the lower surface of the convex guide 52 of the convex guide 51 of the guide means 5 of the parallel die holder 11 with the same height or slightly lower, and the magnet member 2 is a permanent magnet or Necessary magnetic force can be generated by turning on (ON) and off (OFF) with an electromagnet.
A parallel die holder 11 is attached to the upper surface of the orthogonal die holder 12. The orthogonal die holder 12 and the parallel die holder 11 are attached by the magnetic force of the magnet member 2 embedded in the upper surface of the orthogonal die holder 12. Further, the lower surface convex guide 52 of the convex guide 51 fitted in the groove 20 provided on the upper surface of the orthogonal die holder 12 is arranged on the lower surface of the parallel die holder 11 and is shown in FIGS. The reference line 3 can be moved in the direction perpendicular to the direction of the arrow (B) shown in the figure (see FIG. 4).

An upper surface convex guide 53 parallel to the reference line 3 shown in FIGS. 1 and 2 is provided on the upper surface of the parallel die holder 11, and the magnet member 2 is embedded in the groove 20 provided on both sides of the upper surface convex guide 53. It is. The magnet member 2 can be generated by turning on (ON) or off (OFF) a necessary magnetic force by a permanent magnet or an electromagnet, and the height of the upper surface of the magnet member 2 is the upper surface of the parallel die holder 11; Alternatively, it is the same height as or slightly lower than the lower surface of the lower mold convex guide 54 formed on the lower surface of the lower mold 102.
On the upper surface of the parallel die holder 11, a press brake lower mold 1002 of a press brake mold 1000 for bending a plate work (W) which is the lower mold 102 of the press mold 100 is attached. On the lower surface of the press brake lower die 1002 of the lower die 102, a lower die guide groove 55 for guiding means 5 that fits into the upper surface convex guide 53 provided on the upper surface of the parallel die holder 11 is provided.

In the press brake die 1000 for bending the plate work (W), a V-shaped groove necessary for bending is formed on the upper surface of the press brake lower die 1002, and the V-shaped groove and the press brake upper die 1001 are formed. The plate work (W) is inserted between the convex V-shaped punch and bent.
The press brake 2000 that performs bending of the press machine 200 has a V-shaped punch of the press brake upper die 1001 and a V-shape of the press brake lower die 1002 according to the forming bending angle in order to bend the plate workpiece (W). After selecting and exchanging the angle, fixing the punch of the press brake upper mold 1001 and temporarily fixing the press brake lower mold 1002, the axis of bending for aligning the punch of the press brake upper mold 1001 and the press brake lower mold 1002 The press brake lower mold 1002 is fixed by aligning.
Further, it is necessary to accurately match the position of the bending line of the plate material workpiece (W) to be bent in parallel with the punch of the press brake upper mold 1001 and the axis of the press brake lower mold 1002. Further, when the thickness of the plate work (W) is changed even when bending is performed at the same angle, it is necessary to change the size of the V-shaped groove of the press brake lower mold 1002, so that The mold 1002 is exchanged.

The press-type clamping device 10 includes the parallel die holder 11 and the orthogonal die holder 12 embedded with the magnet member 2, so that the parallel die holder 11 that is set on the upper surface by the magnetic force of the magnet member 2 embedded in the orthogonal die holder 12 is necessary with the orthogonal die holder 12. It can be held with a good holding power.
The magnet member 2 embedded and set in the parallel die holder 11 can reliably and easily hold the lower surface of the bending press brake lower mold 1002 set on the upper surface thereof with a holding force by magnetic force.
Since the magnitude of the magnetic force can be changed by changing the number of magnet members 2 embedded in the parallel die holder 11 and the orthogonal die holder 12 or the size of one magnet member 2, the holding force can be adjusted.

Furthermore, the press mold clamping device 10 includes a guide groove 50 of the guide means 5, an upper convex guide 53 provided on the parallel die holder 11 of the convex guide 51, and a lower mold guide groove 55 provided on the lower surface of the press brake lower mold 1002. By fitting, it is possible to smoothly move the press brake 2000 of the lower press brake mold 1002 parallel to the left-right direction.
The lower mold convex guide 54 provided on the lower surface of the lower press brake mold 1002 is fitted with the guide groove 50 which is the groove 20 in which the magnet member 2 is embedded in the orthogonal die holder 12, thereby the press brake 2000 of the lower press brake mold 1002. It is also possible to smoothly move in a direction parallel to the reference line 3 in the left-right direction.
The parallel die holder 11 is orthogonal to the reference line 3 of the press brake 2000 by fitting the lower surface convex guide 52 provided between the parallel die holder 11 and the orthogonal die holder 12 and the guide groove 50 which is the groove 20 in which the magnet member 2 is embedded. Smooth movement in the front-rear direction is possible.

Due to the configuration of the press mold clamping device 10, the press brake lower mold 1002 does not move the orthogonal die holder 12 attached to the clamping and fixing die holder 13, and the parallel die holder 11 attached to the upper surface of the press die lower mold 100 has a convex downward movement. It becomes easy by fitting the guide groove 50 which is the groove 20 in which the part guide 52 and the magnet member 2 are embedded, and the holding at that position can be performed by the embedded magnet member 2. Further, the press brake lower mold 1002 attached to the upper surface of the parallel die holder 11 can be easily moved in the direction parallel to the reference line 3 of the press brake 2000 by fitting the upper surface convex guide 53 and the lower mold guide groove 55. At the same time, the magnet member 2 embedded in the groove 20 can be held at the set position by the holding force.
Therefore, according to the press mold clamping device 10, the press brake lower mold 1002 can be easily held by the magnetic force of the magnet member 2 between the parallel die holder 11 and the orthogonal die holder 12, so The setup time when the press mold 100 is replaced with the press brake mold 1000 can be shortened as compared with fixing with a fastener. In addition, when the bending position of the plate workpiece (W) is changed, the position of the press brake lower mold 1002 can be easily changed even when interference with other parts occurs.

  The press brake lower mold 1002 set on the parallel die holder 11 is fitted with the lower mold guide groove 55 of the guide groove 50 of the guide means 5 and the upper surface convex guide 53 of the convex guide 51 or on the upper surface of the parallel die holder 11 with a magnet member. 2 and the lower mold convex guide 54 formed on the lower surface of the press brake lower mold 1002, the movement of the press brake 2000 in the direction parallel to the reference line 3 can be easily performed without significant deviation. Can be easily held in the set position by the magnetic force of the magnet member 2 embedded in the parallel die holder 11, so that work such as mounting / removing the press brake lower mold 1002 and positioning can be performed quickly, and press brake work By shortening the setup time, machining costs can be reduced.

The parallel die holder 11 is orthogonal to the reference line 3 of the press brake 2000 by fitting the lower surface convex guide 52 provided between the parallel die holder 11 and the orthogonal die holder 12 and the guide groove 50 which is the groove 20 in which the magnet member 2 is embedded. The movement adjustment in the front-rear direction can be easily performed without significant deviation.
Furthermore, according to the press mold clamping device 10, the orthogonal die holder 12 and the parallel die holder 11, and the parallel die holder 11 and the press brake lower mold 1002 greatly move in the direction perpendicular to the parallel direction with respect to the reference line 3 of the press brake 2000. It can be easily performed without shifting and can be easily held at the moved position. Accordingly, the press brake lower die 1002 can be easily attached, replaced, and aligned in a short time, the setup time for processing can be shortened, and the processing cost can be reduced.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The top view of the basic composition of the press type clamp device concerning the embodiment of the present invention. The side view of the basic composition of the press working machine provided with the press type clamp device concerning the example of an embodiment of the present invention, and the upper type of a press type, and a lower type. The side view of the basic composition of the state which moved the press type | mold clamp apparatus with which the press processing machine concerning the embodiment of this invention is equipped, and the lower die of a press type | mold. The enlarged view of the basic composition of the clamp means of the conventional press type clamp apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Die holder main body 2 Magnet member 3 Reference line 4 Tightening fixing | fixed part 5 Guide means 10 Press type clamp apparatus 11 Parallel die holder 12 Orthogonal die holder 13 Tightening fixing die holder 20 Groove 50 Guide groove 51 Convex guide 52 Lower surface convex part guide 53 Upper surface convex part Part guide 54 Lower die convex guide 55 Lower die guide groove 100 Press die 101 Upper die 102 Lower die 200 Press machine 201 Lower table 202 Slider 203 Hydraulic cylinder 211 Clamp member 1000 Press brake die 1001 Press brake upper die 1002 Under press brake Die 2000 Press Brake 3000 Press Die Clamping Device 3001 Die Holder 3002 Bolt Hole 3003 Washer 3004 Tightening Bolt 3100 Press Die 3101 Screw Hole 3102 Lower Die 3200 Press Machine 3 01 lower table

Claims (15)

  In a press clamp apparatus for supporting a press die used in press processing at a predetermined position, a die holder main body having a support surface for supporting the lower die of the press die and constituted by one or a plurality of die holders, and the die holder main body And a magnet member that is embedded in the support surface and holds the lower die via magnetic force.   2. The press-type clamping device according to claim 1, wherein the die holder body includes a groove extending in parallel with the left and right axis of the press mold on an upper surface, and a parallel die holder that embeds a magnet member in the groove. A press-type clamping device.   3. The press-type clamping device according to claim 1, wherein the die holder body includes an upper surface of the groove extending perpendicularly to the left and right axis, and an orthogonal die holder that embeds the magnet member in the groove. A press-type clamping device.   4. The press-type clamping device according to claim 1, wherein the die holder body includes a clamping and fixing die holder that is clamped and fixed to a lower table of a press machine.   5. The press type clamping apparatus according to claim 4, wherein the clamping and fixing die holder includes a clamping and fixing part that is clamped and fixed to the lower table of the press machine.   The press-type clamping device according to any one of claims 1 to 5, wherein the die holder body guides the lower die to be supported by restricting movement of the lower die in a direction parallel to or perpendicular to the left and right axis. A press-type clamping device comprising means.   7. The press-type clamping device according to claim 1, wherein the guide means guides the guide by regulating movement of the lower die to be supported in a direction parallel to or orthogonal to the left-right axis. And a convex-shaped convex guide that guides the lower mold that fits and supports the guide groove by restricting movement in a direction parallel to or orthogonal to the left-right axis. A press-type clamping device.   8. The press-type clamping apparatus according to claim 7, wherein the guide groove is the groove that is disposed on an upper surface of the parallel die holder or the orthogonal die holder and embeds the magnet member. .   9. The press-type clamping device according to claim 7, wherein the convex guide includes a lower-surface convex guide formed on a lower surface of the parallel die holder or the orthogonal die holder.   The press type clamping apparatus according to claim 9, wherein the lower surface of the lower surface convex guide formed on the lower surface of the parallel die holder or the orthogonal die holder is in contact with the upper surface of the magnet member embedded in the groove. A press-type clamping device.   11. The press mold clamping device according to claim 7, wherein the convex guide includes an upper surface convex guide formed on an upper surface of the parallel die holder or the orthogonal die holder. Clamping device.   2. A press die used for press working, wherein the upper die pressed from the upper surface, the lower die for performing press working by inserting a plate work between the upper die, and the lower die are formed on the lower surface of the lower die. A press mold comprising: a lower mold convex guide that fits into the guide groove of the press mold clamping device according to any one of claims 11 to 11.   The press die according to claim 12, wherein the lower surface of the lower die has a lower die guide groove that fits into the upper surface convex guide of the press die clamping device according to any one of claims 1 to 11. A press die comprising:   A press working machine that performs press working using a press die, wherein the press die clamping device according to any one of claims 1 to 11, a lower table that supports the press die clamping device, and the upper die are held. And a slider that presses the press machine.   15. The press machine according to claim 14, wherein the lower table includes a clamp member that fastens and fixes the tightening fixing portion of the press-type clamp device.

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