WO2022059382A1 - 上型及び加工システム - Google Patents
上型及び加工システム Download PDFInfo
- Publication number
- WO2022059382A1 WO2022059382A1 PCT/JP2021/029359 JP2021029359W WO2022059382A1 WO 2022059382 A1 WO2022059382 A1 WO 2022059382A1 JP 2021029359 W JP2021029359 W JP 2021029359W WO 2022059382 A1 WO2022059382 A1 WO 2022059382A1
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- WO
- WIPO (PCT)
- Prior art keywords
- upper mold
- pin
- upper die
- guide rail
- guided
- Prior art date
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- 238000012545 processing Methods 0.000 title claims description 30
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000032258 transport Effects 0.000 description 118
- 230000004048 modification Effects 0.000 description 21
- 238000012986 modification Methods 0.000 description 21
- 238000005452 bending Methods 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
- B21D5/0254—Tool exchanging
Definitions
- the present invention relates to an upper mold and a processing system.
- the press machine sandwiches the work between the upper and lower dies, which are dies, and presses the work such as forming.
- a press brake bending machine
- the press brake may change the arrangement or type of one or both of the upper die and the lower die in order to perform the desired bending process on the work.
- the die is transported over a mold guide rail provided at the bottom of the ram of the press machine and a connecting rail connected to the mold guide rail (eg,). See Patent Document 1).
- the upper mold has a pin (protruding portion) that protrudes in the front-rear direction orthogonal to the transport direction and the vertical direction, and this pin is guided by a groove portion provided in the mold guide rail and the connection rail.
- the pins may be provided at two locations on the left and right sides of the central portion, or at three locations on the central portion and the left and right sides thereof. In this case, when the upper mold is transported, the upper mold may rotate around the position of the center of gravity, and the pin on the front side in the transport direction may fall into the gap between the mold guide rail or the connection rail and collide with the end of the groove. There is.
- Such a collision between the pin and the groove portion not only causes an abnormal noise (collision noise) when the upper mold is conveyed, but also causes damage to the pin (upper mold) or the groove portion (mold guide rail or connection rail), which is preferable. do not have.
- the present invention provides an upper mold and processing system capable of stabilizing the posture of the upper mold when moving between the mold guide rail and the connecting rail and avoiding a collision between the protrusion and the groove portion. With the goal.
- the upper die according to the aspect of the present invention is an upper die that is conveyed over a die guide rail provided at the lower part of a ram provided in a press machine and a connection rail connected to the die guide rail.
- a die guide rail provided at the lower part of a ram provided in a press machine and a connection rail connected to the die guide rail.
- each of the left and right sides sandwiching the central part is provided with a protrusion that protrudes in the front-rear direction and is guided by a groove provided in the mold guide rail and the connection rail.
- Each of the projecting portions has an outer guided portion located on the outer side in the transport direction with respect to the central portion and an inner guided portion located on the inner side closer to the central portion than the outer guided portion. The distance between the guide portion and the inner guided portion in the transport direction is longer than the gap length between the mold guide rail and the connection rail.
- the processing system comprises a press machine that presses a workpiece by an upper die and a lower die, and a connection rail connected to a mold guide rail provided at the lower part of a ram provided in the press machine. It is a processing system in which the upper mold is conveyed over the mold guide rail and the connection rail, and the upper mold is the upper mold according to the above-described embodiment.
- the distance between the outer guided portion and the inner guided portion provided on the upper mold in the transport direction is longer than the gap length between the mold guide rail and the connecting rail.
- the posture of the upper mold can be stabilized when the upper mold is conveyed, and the outer guided portion or the inner guided portion is prevented from colliding with the groove portion, so that abnormal noise is generated and the upper mold and the mold guide are generated. It is possible to prevent damage to the rails and connecting rails.
- the protrusion may be formed by an outer pin which is an outer guided portion and an inner pin which is an inner guided portion.
- the outer pin may be arranged above the inner pin. In this configuration, it is possible to reliably prevent the outer pin from colliding with the groove.
- the outer pin and the inner pin are provided so as to penetrate the through hole formed in the front-rear direction and project to both the front and rear sides, and are provided between the outer pin and the through hole and with the inner pin.
- An elastic body may be placed on at least one of the through holes. In this configuration, the elastic body can cushion the impact on one or both of the outer and inner pins.
- an auxiliary pin that protrudes in the front-rear direction and is guided by the groove portion may be provided between the left and right inner pins.
- the load of the upper die can be distributed by the outer pin, inner pin and auxiliary pin.
- the protruding portion may be a continuous protruding portion formed so as to continuously project from the outer guided portion to the inner guided portion. In this configuration, since the length of the continuous protrusion in the transport direction is longer than the gap length, it is possible to reliably prevent the outer guided portion or the inner guided portion from falling into the gap.
- the continuous protrusion may be provided with a tapered surface inclined upward on the lower surface of at least one of the outer guided portion and the inner guided portion.
- the left and right inner guided portions may be formed so as to continuously project. In this configuration, the load of the upper mold can be reliably received by the continuously protruding inner guided portion.
- the upper die is provided with a locked portion formed in the front-rear direction, and is locked in the front-rear direction and locked with respect to the locked portion in the transport direction.
- a transport portion may be provided, which is provided with a portion and transports the upper mold by moving in the transport direction in a state where the locked portion is locked with the locked portion. In this configuration, the upper mold can be easily transported by the transport unit.
- (A) is a front view
- (B) is a plan view.
- An example of the upper mold according to the second modification is shown,
- (A) is a front view
- (B) is a cross-sectional view seen from a transport direction.
- It is a front view which shows an example of the upper mold which concerns on 4th modification.
- FIG. 1 is a front view showing an example of the upper mold 20 and the processing system 200 according to the first embodiment.
- the processing system 200 includes a press machine 100, a connection rail 44, and a die changing device 4.
- the press machine 100 is a press brake (bending machine) capable of bending (forming) the work 10.
- a press brake will be described as an example of the press machine 100.
- the press machine 100 is not limited to the press brake, and may be a press machine capable of punching (punching) or forming the work 10.
- the press machine 100 includes a processing machine main body 2 and a control unit 3.
- the front side in the front-rear direction D2 is the work space of the worker.
- the operator arranges the work 10 at a predetermined position from the front side of the processing machine main body 2, and bends the work 10 by sandwiching the work 10 between the upper mold 20 and the lower mold 30 as dies described later. It is possible to apply.
- the processing machine main body 2 includes a main body frame 5, a table 7, side covers 8 and 9, a ram 11, and a drive device 14.
- the main body frame 5 forms, for example, the outer shell of the press machine 100.
- the table 7 is attached to the front side (front side) of the main body frame 5 and fixes the lower guide rail 6.
- the lower die guide rail 6 is provided on the upper surface of the table 7 and is formed so that the lower die 30 can be guided along the transport direction D1 (left-right direction).
- the lower mold 30 has a V-shaped recess (not shown) on the upper surface side for bending, for example, the work 10.
- the recess is formed long along the transport direction D1 (left-right direction). Note that FIG. 1 shows a form in which the lower die 30 is guided by the lower die guide rail 6 to move, but the present invention is not limited to this form.
- the lower mold 30 extending in the transport direction D1 may be fixed to the upper surface of the table 7.
- the main body frame 5 or the table 7 may be provided with a positioning portion (not shown) for abutting and positioning the work 10 in the front-rear direction D2.
- the side covers 8 and 9 are provided above the side portions on both sides of the main body frame 5 in the left-right direction, respectively.
- the side covers 8 and 9 are arranged so as to cover the upper side portions of the ram 11 in the left-right direction, respectively.
- the main body frame 5 includes a plate-shaped guide portion 5a extending in the vertical direction for guiding the ram 11 in the vertical direction.
- the drive device 14 is supported by the main body frame 5 and is provided in pairs on the left and right. The pair of drive devices 14 move (elevate) the ram 11 in the Z direction.
- the drive device 14 for example, a mechanism for raising and lowering the ram 11 by rotating a ball screw or a nut by an electric motor or the like, or a mechanism for raising and lowering the ram 11 by using a hydraulic cylinder device or a pneumatic cylinder device is applied.
- the drive device 14 is controlled by the control unit 3.
- the ram 11 is supported by the guide portion 5a of the main body frame 5 so as to be able to move up and down.
- a pair of rollers 11a are provided at both left and right ends of the ram 11, and the pair of rollers 11a are arranged so as to sandwich the guide portion 5a provided on the main body frame 5.
- the ram 11 is guided in the vertical direction D3 by rolling a pair of rollers 11a along the guide portion 5a.
- the ram 11 is, for example, a plate-shaped member made of metal or the like, and has a weight of, for example, several tens to several hundreds of kg.
- the ram 11 is connected to a part of the drive device 14, and is arranged in a state of being suspended by the drive device 14.
- the ram 11 moves up and down by driving the drive device 14, and is close to or separated from the lower mold 30 on the table 7.
- the upper mold guide rail 12 is a mold guide rail that guides the upper mold 20 which is a mold.
- the upper guide rail 12 is provided along the transport direction D1 (left-right direction).
- the upper die guide rail 12 can support the upper die 20 in a suspended state.
- the upper die guide rail 12 can guide the upper die 20 to be conveyed in the conveying direction D1.
- the upper die guide rail 12 may guide the upper die 20 in the transport direction D1 without supporting the upper die 20.
- the term "guidance" means that when the upper mold 20 is transported in a predetermined direction (for example, the transport direction D1), the upper mold 20 is guided so as not to deviate from the predetermined direction.
- the ram 11 includes a clamp member 15 (see FIG. 3) for holding the upper die 20 guided by the upper die guide rail 12.
- the clamp member 15 is inserted into a hole portion 12c (see FIG. 3) in the front-rear direction D2 provided in the upper die guide rail 12, and moves back and forth in the front-rear direction D2 by the clamp drive portion 16 (see FIG. 3).
- the hole portions 12c are provided at a plurality of locations in the transport direction D1 of the upper die guide rail 12, and the clamp member 15 is arranged in each hole portion 12c.
- the upper die 20 is fixed at a predetermined position by pressing the upper die 20 while lifting the clamping recess 27 (see FIG. 3) with the tip of the upper die 20.
- the upper die 20 is sandwiched between the tip of the clamp member 15 and one side surface of the recess 12b of the upper die guide rail 12 facing the tip of the clamp member 15 and the upper surface of the recess 12b due to the advancement of the clamp member 15. Be retained.
- the details of the upper mold 20 and the state of the upper mold 20 when clamped will be described later.
- the upper die 20 is fixed to the ram 11 by the clamp member 15 at a predetermined position of the upper die guide rail 12.
- the cutting edge 22 (see FIG. 3) at the lower end faces the concave portion (not shown) of the lower die 30, and the cutting edge 22 is in the transport direction D1.
- the upper mold 20 fixed to the ram 11 moves up and down together with the ram 11.
- the plurality of upper dies 20 held by the upper die guide rail 12 may have the same dimensions in the transport direction D1 (left-right direction), or may be used in combination with the upper dies 20 having different dimensions in the left-right direction. May be good.
- the upper die 20 descends toward the lower die 30 as the ram 11 descends, the work 10 is sandwiched between the upper die 20 and the lower die 30, and the upper die 20 reaches, for example, the lowest point. Bending is applied to the work 10 during the period. The bending angle with respect to the work 10 can be changed by the amount of descent of the upper die 20.
- the die changing device 4 replaces the upper die 20 with respect to the processing machine main body 2 of the press machine 100. Further, the mold changing device 4 can replace the lower mold 30 with respect to the processing machine main body 2.
- the mold changing device 4 includes a stocker 40 and a transport device 42.
- the stocker 40 has one or more racks 41 and a rack drive unit 45.
- the stocker 40 accommodates the plurality of racks 41 in a state of being arranged in the front-rear direction D2.
- the rack 41 is a plate-like body that can be accommodated in the stocker 40 and has one or more cassettes 43.
- the plurality of cassettes 43 are arranged side by side in the vertical direction D3.
- Each cassette 43 has a rail extending in the transport direction D1.
- the cassette 43 can be supported in a state where the upper mold 20 is suspended.
- the cassette 43 can guide the upper mold 20 to be conveyed in the conveying direction D1.
- the cassette 43 may be guided in the transport direction D1 without supporting the upper die 20.
- the shape of the portion where the upper die 20 is suspended is substantially the same as that of the upper die guide rail 12 described above.
- the plurality of cassettes 43 are provided side by side in the vertical direction D3 in one rack 41.
- the number of cassettes 43 provided in one rack 41 is determined by the size of the rack 41, the dimensions of the hanging upper die 20, and the like.
- One cassette 43 can support one or more upper molds 20 in a suspended state.
- the cassette 43 may be stored in a state where a spacer (not shown) is suspended in addition to the upper mold 20.
- This spacer is used in the upper die guide rail 12 to define the distance between the upper die 20s in the transport direction D1 (left-right direction) by being arranged between the upper die 20s.
- the spacers may be individually conveyed by the transfer device 42 in the same manner as the upper die 20, or when the upper die 20 is conveyed, the spacers are arranged on the front side of the upper die 20 in the transfer direction and are conveyed together with the upper die 20. May be done. Whether or not a spacer is used is arbitrary.
- the rack drive unit 45 raises and lowers the rack 41 to match the height of any of the cassettes 43 with the height of the connection rail 44. Further, the rack drive unit 45 can change the arrangement order of the plurality of racks 41 in the front-rear direction D2 so that any one of the plurality of racks 41 is arranged on the frontmost side. For example, the rack drive unit 45 lifts the rack 41 on the frontmost side and moves it to an empty space on the back side in the stocker 40, and lifts another rack 41 and moves the rack 41 to the frontmost side. The rack 41 can be replaced.
- the transport device 42 transports the upper die 20 between the processing machine main body 2 and the rack 41.
- the transport device 42 transports the upper mold 20 of the cassette 43 set to the height of the connection rail 44 by the rack drive unit 45 to the upper mold guide rail 12 of the processing machine main body 2 via the connection rail 44, or
- the upper die 20 of the upper die guide rail 12 is conveyed to the cassette 43 via the connection rail 44.
- the transport device 42 has a transport unit 46 and a transport guide 47.
- the transport portion 46 has a slider 46a, an elevating rod 46b, a head 46c, and a locking portion 46d.
- the slider 46a can be reciprocated in the transport direction D1 (left-right direction) along the transport guide 47 by a drive unit (not shown).
- the elevating rod 46b is provided on the slider 46a so as to be able to move up and down, and can be moved up and down along the vertical direction D3 by a drive unit (not shown).
- the head 46c is provided at the upper end of the elevating rod 46b, and moves up and down along the vertical direction D3 with the elevating and lowering of the elevating rod 46b.
- the head 46c advances and retreats the locking portion 46d in the front-rear direction D2.
- the locking portion 46d has a polygonal shape such as an oval shape, an elliptical shape, a circular shape, or a rectangular shape in cross section, and has a rod shape extending in the front-rear direction D2. It can be inserted into (see FIG. 3).
- the transport guide 47 guides the transport unit 46 in the transport direction D1 (left-right direction).
- the transport guide 47 is provided, for example, on the floor surface on which the processing system 200 is installed, and is provided linearly along the transport direction D1 (left-right direction).
- the transport guide 47 is parallel to the upper guide rail 12, the connection rail 44, and the cassette 43.
- the transport unit 46 can arrange the head 46c (that is, the locking portion 46d) at arbitrary positions in the transport direction D1 and the vertical direction D3 in the respective movable ranges by the transport guide 47 and the elevating rod 46b.
- the transport unit 46 advances the locking portion 46d in the front-rear direction D2 and inserts it into the locked portion 28 of the upper mold 20. In this state, the slider 46a is moved to transport the upper mold 20 in the transport direction D1. Can be done (see Figure 2).
- the transport device 42 configured in this way is controlled by the control unit 3. Further, in the present embodiment, the embodiment in which a plurality of upper molds 20 are housed in the stocker 40 is described as an example, but the lower mold 30 is supported by the cassette 43 of the rack 41, and the stocker 40 has a plurality of molds 20. The lower mold 30 may also be accommodated together.
- connection rail 44 connects between the cassette 43 of the rack 41 and the upper guide rail 12 of the processing machine main body 2.
- the connection rail 44 is attached to the stocker 40 by, for example, a support member or the like.
- the connection rail 44 is provided so as to extend along the transport direction D1 and the height position in the vertical direction D3 is fixed. Therefore, when the rack 41 moves up and down, the connection rail 44 is aligned with any cassette 43 of the rack 41 in the transport direction D1, and is also placed at a predetermined height position of the ram 11 (for example, the position of the top dead center, etc.). Or at the highest position), the upper guide rail 12 and the transport direction D1 are lined up.
- the height of the connection rail 44 is preset to the height of the upper die guide rail 12 that enables the upper die 20 to be replaced, and the rack drive unit 45 is driven so as to match the height of the connection rail 44. The height of the cassette 43 is adjusted.
- connection rail 44 can be supported in a suspended state with the upper die 20 like the upper die guide rail 12 and the cassette 43.
- the connection rail 44 can guide the upper die 20 to be conveyed in the conveying direction D1 (left-right direction).
- the connection rail 44 may guide the upper die 20 in the transport direction D1 without supporting it.
- the shape of the portion where the upper die 20 is suspended is the same as that of the upper die guide rail 12 and the cassette 43.
- the connection rail 44 may be rotatable about an axis parallel to the vertical direction D3.
- the connection rail 44 can be inverted in the front-rear direction D2 by rotating 180 degrees while supporting the upper die 20. It is arbitrary whether or not the reversing mechanism of the upper die 20 using the connecting rail 44 is provided, and the connecting rail 44 may not rotate.
- FIG. 2 is a plan view showing an example of the upper guide rail 12 and the connection rail 44. Note that FIG. 2 also shows the cassette 43. As shown in FIGS. 1 and 2, the connection rail 44 is arranged with a gap S1 between it and the cassette 43 in the transport direction D1. Further, the connection rail 44 is arranged with a gap S2 between it and the upper guide rail 12 in the transport direction D1. When the upper die 20 is conveyed from the cassette 43 to the upper die guide rail 12, the upper die 20 is sequentially conveyed over the gap S1 and the gap S2 in the transfer direction D1. Further, when the upper die 20 is conveyed from the upper die guide rail 12 to the cassette 43, the upper die 20 is sequentially conveyed over the gap S2 and the gap S1 in the transfer direction D1.
- FIG. 3 is a cross-sectional view of the upper die 20 and the connection rail 44 (upper die guide rail 12) seen from the transport direction D1.
- FIG. 4 is a cross-sectional view of the upper die 20 and the cassette 43 as seen from the transport direction D1.
- FIG. 5 is a perspective view showing an example of the upper mold 20 according to the first embodiment.
- FIG. 6 is a front view showing an example of the upper mold 20.
- the gap is exaggerated and shown in a large size, which is different from the actual gap.
- the upper die guide rail 12 and the connecting rail 44 are provided with recesses 12b and 44b into which the upper portion of the base portion 21 of the upper die 20 enters and extends in the transport direction D1, respectively.
- the recesses 12b and 44b are provided with groove portions 12a and 44a extending in the transport direction D1 on each of the side surfaces facing each other in the front-rear direction D2.
- the upper die 20 has a base portion 21 supported by a connection rail 44 or the like, and a cutting edge 22 having a tip opposite to the base portion 21.
- the base 21 of the upper die 20 has a protrusion 25 protruding in the front-rear direction D2.
- the protruding portions 25 are arranged on both the left and right sides of the central portion 26 when viewed from the front-rear direction D2.
- the protrusion 25 is guided and moved by the groove portion 12a provided in the upper guide rail 12 and the groove portion 44a provided in the connection rail 44.
- the protruding portion 25 is guided by the groove portion 43a provided in the cassette 43 and moves.
- the protruding portion 25 has an outer guided portion 25a and an inner guided portion 25b.
- the outer guided portion 25a is located outside the central portion 26 in the transport direction D1.
- the outer guided portion 25a is an outer pin 25p.
- the outer pin 25p is provided, for example, by penetrating a rod-shaped body having a circular cross section through a through hole 21a in the front-rear direction D2 formed in a part of the base portion 21 and projecting both ends of the rod-shaped body to both front and rear sides of the base portion 21. ..
- the inner guided portion 25b is located inside the central portion 26 with respect to the outer guided portion 25a.
- the inner guided portion 25b is an inner pin 25q.
- the inner pin 25q is provided, for example, by penetrating a rod-shaped body having a circular cross section through a through hole 21b in the front-rear direction D2 partially formed of the base portion 21 and projecting both ends of the rod-shaped body to both front and rear sides of the base portion 21.
- the outer pin 25p and the inner pin 25q are not limited to being provided by penetrating the rod-shaped body through the through holes 21a and 21b.
- the outer pin 25p and the inner pin 25q are formed by cutting or the like when forming the base 21. Is formed, and these outer pins 25p and inner pins 25q may be integrated with the base 21.
- the cross-sectional shape of the outer pin 25p and the inner pin 25q is not limited to a circular shape, and the cross-sectional shape may be, for example, a polygonal shape such as an oval shape, an elliptical shape, or a rectangular shape.
- the distance L1 in the transport direction D1 between the outer pin 25p and the inner pin 25q is longer than the gap length W2 in the transport direction D1 in the gap S2 between the upper guide rail 12 and the connection rail 44. Therefore, when the upper die 20 moves across the gap S2 between the connection rail 44 and the upper die guide rail 12, both the outer pin 25p and the inner pin 25q do not enter the gap S2 at the same time. That is, even if either one of the outer pin 25p and the inner pin 25q is located in the gap S2, the other is supported by the groove portion 12a or the groove portion 44a. As a result, the outer pin 25p or the inner pin 25q is prevented from falling into the gap S2.
- the distance L1 between the outer pin 25p and the inner pin 25q is longer than the gap length W1 (see FIG. 2) in the transport direction D1 in the gap S1 between the cassette 43 and the connection rail 44. Therefore, when the upper die 20 moves across the gap S1 between the cassette 43 and the connection rail 44, both the outer pin 25p and the inner pin 25q do not enter the gap S1 at the same time. That is, even if either one of the outer pin 25p and the inner pin 25q is located in the gap S1, the other is supported by the groove portion 12a or the groove portion 44a. As a result, the outer pin 25p or the inner pin 25q is prevented from falling into the gap S1.
- the base 21 of the upper die 20 has a clamp recess 27 and a locked portion 28.
- the clamp recess 27 extends along the transport direction D1 on both the front surface side (front surface side) and the rear surface side of the base portion 21.
- the clamp recess 27 is a portion pressed by the clamp member 15 provided in the upper guide rail 12.
- the tip of the clamp member 15 hits the tapered portion on the upper surface side of the clamp recess 27.
- the clamp member 15 presses the clamp recess 27 in the front-rear direction D2 while lifting the clamp recess 27 at the tip.
- the base 21 of the upper die 20 is pressed against the upper surface and one side surface of the recess 12b.
- the base portion 21 is held by being sandwiched between the clamp member 15 and the upper surface and one side surface of the recess 12b, and the upper mold 20 is clamped. At this time, the outer pin 25p and the inner pin 25q are raised from the lower surface of the groove portion 12a. Further, the locked portion 28 is raised from the locked portion 46d of the transport portion 46, and a gap is formed between the locked portion 28 and the upper surface side of the locked portion 46d.
- the clamp member 15 is retracted (unclamped)
- the base portion 21 (upper mold 20) is lowered, and the outer pin 25p and the inner pin 25q are returned to the state of being placed (sit) on the lower surface of the groove portion 12a.
- This state is a state in which the upper die 20 is supported by the upper die guide rail 12, and a state in which the upper die 20 is being conveyed.
- the clamp member 15 described above is also provided on the connection rail 44. For example, when the upper die 20 supported by the connecting rail 44 is inverted, the upper die 20 is held by the connecting rail 44 by advancing the clamp member 15.
- the cassette 43 is provided with a recess 43b as a rail into which the upper portion of the base 21 of the upper die 20 enters and extends in the transport direction D1.
- the recess 43b is provided with a groove 43a extending in the transport direction D1 on each of the side surfaces facing each other in the front-rear direction D2.
- the shapes of the recesses 43b and the grooves 43a are the same as those of the recesses 12b and 44b and the grooves 12a and 44a described above.
- the outer pin 25p and the inner pin 25q of the upper die 20 are placed on the lower surface of the groove portion 43a, and the upper die 20 is supported in a state of being suspended from the cassette 43 in this state.
- the positional relationship between the recess 43b and the groove 43a as shown in FIG. 4 and the base 21, outer pin 25p, and inner pin 25q of the upper die 20 is such that the clamp member 15 is retracted in the upper die guide rail 12 or the connection rail 44. It is the same as the state (unclamped state). That is, in a state where the upper die 20 is suspended on the upper die guide rail 12 or the connection rail 44, the outer pin 25p and the inner pin 25q of the upper die 20 are placed on the lower surfaces of the grooves 12a and 44a as in FIG. , There are gaps between the base 21 and the upper surfaces and one side surface of the recesses 12b and 44b, respectively. Further, when the upper die 20 is conveyed on the upper die guide rail 12 or the connection rail 44, there is no or smaller gap on the upper side between the locked portion 28 and the locking portion 46d.
- the locked portion 28 is provided so as to penetrate the front-rear direction D2 in the vicinity of the central portion 26 of the base portion 21.
- the embodiment in which the locked portion 28 is a hole is described as an example, but the present embodiment is not limited to this embodiment.
- the locked portion 28 is provided above the center of gravity G of the upper die 20.
- the locked portion 28 is formed in such a size that the locking portion 46d of the transport portion 46 can be inserted.
- the cross-sectional shape of the locking portion 46d is an elliptical shape that is long in the vertical direction
- the locked portion 28 also penetrates in the oval shape that is long in the vertical direction.
- the locking portion 46d is a rod-shaped body
- any configuration capable of realizing a locked state and an unlocked state (released state) can be applied between them.
- the transport unit 46 inserts the locking portion 46d into the locked portion 28, and in this state, moves the transport unit 46 along the transport guide 47 to move the upper die 20 along the transport direction D1. be able to.
- one set of the locked portion 28 which is a hole and the locking portion 46d which is a rod-shaped body may be used, so that the cost required for conveying the upper die 20 can be reduced.
- the upper mold 20 is provided with only one locked portion 28 (hole), it is possible to suppress a decrease in the rigidity of the upper mold 20.
- the upper die 20 is conveyed by one locking portion 46d, but instead of this embodiment, a plurality of locked portions 28 (for example, two places) are formed on the upper die 20. If this is the case, a plurality of (for example, two) locking portions 46d may be inserted into the locked portions 28 and transported in the transport direction D1.
- the upper die 20 is not limited to having a locked portion 28 that penetrates to insert the locking portion 46d.
- the transport unit 46 may transport the upper die 20X in the transport direction D1 by pushing the edge of the upper die 20X from behind with the locking portion 46d.
- the upper die 20 that bends in the front-rear direction D2 from the base 21 toward the cutting edge 22 is used (see FIG. 3 and the like), but the present invention is not limited to this form, and for example, the cutting edge is formed from the base 21.
- a (straight) upper die 20 that does not bend toward 22 may be used.
- control unit 3 controls the operations of the processing machine main body 2 and the mold changing device 4 in an integrated manner.
- the control unit 3 may be connected to a higher-level device (not shown).
- the host device supplies the design data of the work 10 such as CAD and CAM to the control unit 3, for example.
- the control unit 3 selects the upper mold 20 to be used for machining, for example, based on the machining program of the work 10 to be machined.
- the control unit 3 drives the rack drive unit 45 so as to connect the cassette 43 supporting the selected upper mold 20 to the connection rail 44.
- the rack drive unit 45 arranges the rack 41 having the cassette 43 supporting the selected upper mold 20 on the frontmost side, and makes the cassette 43 supporting the selected upper mold 20 at the same height as the connection rail 44. Raise and lower the rack 41.
- the control unit 3 moves the head 46c of the transport unit 46 in the transport direction D1 and the vertical direction D3 so that the locked portion 46d faces the locked portion 28 of the selected upper die 20. Subsequently, the control unit 3 advances the locking portion 46d and inserts it into the locked portion 28. After inserting the locking portion 46d into the locked portion 28, the head 46c (slider 46a) is moved in the transport direction D1 to move the upper die 20 from the cassette 43 to the upper die guide rail 12 via the connecting rail 44. Transport. When transporting the upper die 20, the locking portion 46d (head 46c) may be transported in a slightly raised state. By this operation, the load of the upper die 20 applied to the outer pin 25p and the inner pin 25q is reduced, so that the friction between the outer pin 25p and the inner pin 25q and the groove portions 12a, 43a, 44a can be reduced.
- the upper mold 20 When the upper mold 20 is transferred from the cassette 43 to the connection rail 44, and when the upper mold 20 is transferred from the connection rail 44 to the upper mold guide rail 12, the upper mold 20 passes through the gaps S1 and S2, respectively. ..
- the upper mold 20 moves in a form of being pushed by the locking portion 46d inserted into the locked portion 28, but the position of the locked portion 28 is above the center of gravity G of the upper mold 20. Therefore, when pushed by the locking portion 46d, a clockwise moment acts on the upper mold 20 on the paper surface, and a downward force is applied to the outer pin 25p on the leading side. Therefore, if there is a gap in the transport path, the outer pin 25p tends to fall into the gap.
- FIGS. 7A and 7B show a state in which the outer pin 25p (outer guided portion 25a) is located in the gap S2 when the upper die 20 is conveyed
- FIG. 7A is a front view
- FIG. 7B is a plan view.
- the outer pin 25p on the leading side in the traveling direction is located in the gap S2. It becomes a state.
- the inner pin 25q is the groove portion 44a of the connection rail 44.
- the state supported by is maintained.
- the outer pin 25p is prevented from falling into the gap S2, and by stabilizing the posture of the upper die 20, it is possible to prevent the outer pin 25p from colliding with the end portion of the groove portion 12a.
- FIG. 8A and 8B show a state in which the inner pin 25q is located in the gap S2 when the upper die 20 is conveyed
- FIG. 8A is a front view
- FIG. 8B is a plan view.
- the inner pin 25q is located in the gap S2 as shown in FIGS. 8A and 8B, but at this time, the outer side is located.
- the pin 25p is already supported by the groove portion 12a of the upper die guide rail 12. Therefore, even if the inner pin 25q is located in the gap S2, the state in which the outer pin 25p is supported by the groove portion 12a of the upper guide rail 12 is maintained. As a result, the inner pin 25q is prevented from falling into the gap S2, and by stabilizing the posture of the upper die 20, it is possible to prevent the inner pin 25q from colliding with the end portion of the groove portion 12a.
- the outer pin 25p on the leading side in the traveling direction is located in the gap S2.
- the inner pin 25q is maintained in a state of being supported by the groove portion 12a of the upper die guide rail 12.
- the outer pin 25p is prevented from falling into the gap S2, and the outer pin 25p can be prevented from colliding with the end portion of the groove portion 44a.
- the outer pin 25p is supported by the groove 44a of the connection rail 44.
- the inner pin 25q can be prevented from falling into the gap S2, and the inner pin 25q can be prevented from colliding with the end portion of the groove portion 44a.
- the inner pin 25q on the rear side is located in the gap S2.
- the outer pin 25p on the rear side is supported by the groove portion 12a of the upper guide rail 12
- the inner pin 25q is prevented from falling into the gap S2.
- the outer pin 25p on the rear side is located in the gap S2
- the inner pin 25q is supported by the groove 44a of the connection rail 44, so that the outer pin 25p is prevented from falling into the gap S2.
- the distance L1 between the outer pin 25p (outer guided portion 25a) and the inner pin 25q (inner guided portion 25b) is the gap S1. Since the gap length W1 or the gap S2 is longer than the gap length W2, the outer pin 25p or the inner pin 25q is the gap S1 even when the upper die 20 is conveyed over the cassette 43, the connection rail 44, and the upper die guide rail 12. Prevents falling into S2. As a result, the posture of the upper die 20 during transportation is stabilized, the outer pin 25p or the inner pin 25q is prevented from colliding with the groove portions 12a, 43a, 44a, abnormal noise is generated, and the upper die 20 and the upper die guide are guided. It is possible to prevent the rail 12 and the connecting rail 44 from being damaged.
- FIGS. 9 to 15 explain a modification of the upper mold 20.
- the same components as those in the above-described embodiment are designated by the same reference numerals, and the description thereof will be omitted or simplified.
- FIG. 9 is a front view showing an example of the upper mold 20A according to the first modification.
- the outer pin 25p is arranged above the inner pin 25q by a distance Z.
- the distance Z can be arbitrarily set within a range in which both the outer pin 25p and the inner pin 25q can enter the grooves 12a, 43a, 44a.
- the outer pin 25p is arranged above the inner pin 25q, it is possible to further prevent the outer pin 25p from falling into the groove portions 12a, 43a, 44a, and the outer pin 25p is the groove portion 12a. It is possible to surely prevent collision with 43a and 44a.
- FIG. 10 shows an example of the upper mold 20B according to the second modification, (A) is a front view, and (B) is a cross-sectional view seen from the transport direction.
- the outer pin 25p and the inner pin 25q each penetrate the through holes 21a and 21b formed in the front-rear direction and project to both front and rear sides.
- an elastic body 21c is arranged between the outer pin 25p and the through hole 21a and between the inner pin 25q and the through hole 21b.
- the elastic body 21c for example, rubber, a soft resin, or the like is used.
- the influence of the load of the upper mold 20 on the outer pin 25p and the inner pin 25q can be mitigated by the elastic body 21c, and the impact on the outer pin 25p and the inner pin 25q can be mitigated.
- the elastic body 21c is not limited to be arranged between the through holes 21a and 21b in all the outer pins 25p and the inner pins 25q.
- the elastic body 21c may be arranged between the outer pin 25p and the through hole 21a, and between the inner pin 25q and the through hole 21b.
- the elastic body 21c may be arranged between the through hole 21a and a part of the plurality of outer pins 25p (for example, one), or the elastic body 21c may be arranged in a part of the plurality of inner pins 25q (for example, one).
- An elastic body 21c may be arranged between the through hole 21b and the elastic body 21c.
- FIG. 11 is a perspective view showing an example of the upper mold 20C according to the third modification.
- the upper die 20C shown in FIG. 11 includes an auxiliary pin 25c that projects in the front-rear direction and is guided by the grooves 12a, 43a, 44a between the left and right inner pins 25q.
- the auxiliary pin 25c may be provided with a rod-shaped body penetrating the base portion 21 in the front-rear direction D2, or may be provided integrally with the base portion 21 by cutting or the like.
- the auxiliary pin 25c may have the same form as the outer pin 25p and the inner pin 25q, or may have a different form.
- the auxiliary pin 25c is provided at the same height as the outer pin 25p and the inner pin 25q.
- the load of the upper die 20C can be distributed by the outer pin 25p, the inner pin 25q and the auxiliary pin 25c, and the load on the outer pin 25p and the inner pin 25q can be reduced.
- auxiliary pins 25c are provided at two locations sandwiching the central portion 26 in the transport direction D1, but the configuration is not limited to this.
- the auxiliary pins 25c may be provided, for example, one or three or more.
- FIG. 12 is a front view showing an example of the upper mold 20D according to the fourth modification.
- the projecting portion is a continuous projecting portion 25D formed so as to continuously project in the transport direction D1 from the outer guided portion 25a to the inner guided portion 25b.
- the continuous projecting portion 25D projects from the base portion 21 in the front-rear direction D2 and extends in the transport direction D1.
- the continuous protrusion 25D may be referred to as a plate-shaped protrusion.
- the distance L2 between the outer guided portion 25a and the inner guided portion 25b is longer than the gap length W1 of the gap S1 and the gap length W2 of the gap S2.
- both ends of the continuous protrusion 25D in the transport direction D1 are each formed in a semicircular shape.
- the distance L2 of the continuous protrusion 25D is longer than the gap lengths W1 and W2, it is possible to avoid falling into the gaps S1 and S2 even if the continuous protrusion 25D is located in the gaps S1 and S2. can. Further, since the continuous protrusion 25D is longer in the transport direction D1 than the outer pin 25p and the inner pin 25q described above, the load of the upper die 20 can be received in a wide range.
- FIG. 13 is a front view showing an example of the upper mold 20E according to the fifth modification.
- the projecting portion is a continuous projecting portion (plate-shaped projecting portion) 25E formed so as to continuously project in the transport direction D1 from the outer guided portion 25a to the inner guided portion 25b. be.
- the continuous projecting portion 25E projects from the base portion 21 in the front-rear direction D2 and extends in the transport direction D1.
- the distance L3 between the outer guided portion 25a and the inner guided portion 25b is longer than the gap length W1 of the gap S1 and the gap length W2 of the gap S2.
- tapered surfaces 25t that incline upward are provided, respectively.
- the angle of the tapered surface 25t with respect to the transport direction D1 can be arbitrarily set.
- the distance L3 of the continuous protrusion 25E is longer than the gap lengths W1 and W2, it is possible to avoid falling into the gaps S1 and S2 even if the continuous protrusion 25E is located in the gaps S1 and S2. can. Further, since the continuous protrusion 25E is longer in the transport direction D1 than the outer pin 25p and the inner pin 25q described above, the load of the upper die 20 can be received in a wide range. Further, since the tapered surface 25t is provided on the lower surfaces of the outer guided portion 25a and the inner guided portion 25b, the outer guided portion 25a or the inner guided portion 25b, which is the end of the continuous projecting portion 25E, has groove portions 12a, 43a, 44a.
- the configuration is not limited to the configuration in which both the outer guided portion 25a and the inner guided portion 25b are provided with the tapered surface 25t, and the configuration is such that either the outer guided portion 25a or the inner guided portion 25b is provided with the tapered surface 25t. There may be.
- FIG. 14 is a front view showing an example of the upper mold 20F according to the sixth modification.
- the projecting portion 25 is provided with an outer pin 25p as the outer guided portion 25a, but the left and right inner guided portions 25b are formed so as to continuously project in the transport direction D1.
- It is a continuous protrusion (plate-shaped protrusion) 25F.
- the continuous projecting portion 25F projects from the base portion 21 in the front-rear direction D2 and extends in the transport direction D1.
- the distance L4 between the outer pin 25p and the inner guided portion 25b which is a part of the continuous protrusion 25F is longer than the gap length W1 of the gap S1 and the gap length W2 of the gap S2.
- both ends of the continuous protrusion 25E in the transport direction D1 are each formed in a semicircular shape.
- the outer pin 25p or the continuous protrusion 25F has the gap S1. Even if it is located in S2, it is possible to avoid falling into the gaps S1 and S2. Further, since the continuous protrusion 25F is long in the transport direction D1, the load of the upper die 20 can be received in a wide range.
- FIG. 15 is a front view showing an example of the upper mold 20G according to the seventh modification.
- the projecting portion is a continuous projecting portion (plate-shaped projecting portion) formed so that the left and right outer guided portions 25a and the inner guided portion 25b continuously project in the transport direction D1.
- 25G The continuous projecting portion 25G projects from the base portion 21 in the front-rear direction D2 and extends in the transport direction D1.
- the distance L5 between the outer guided portion 25a which is a part of the continuous protruding portion 25G and the inner guided portion 25b which is a part of the continuous protruding portion 25G is the gap length W1 of the gap S1 and the gap length of the gap S2. It's longer than W2.
- a tapered surface 25u that is inclined upward is provided on the lower surface of the outer guided portion 25a. The angle of the tapered surface 25u with respect to the transport direction D1 can be arbitrarily set.
- the distance L5 between the outer guided portion 25a and the inner guided portion 25b of the continuous protruding portion 25G (that is, the length of the continuous protruding portion 25G in the transport direction D1) is larger than the gap lengths W1 and W2. Since it is long, even if the continuous protrusion 25G is located in the gaps S1 and S2, it is possible to avoid falling into the gaps S1 and S2. Further, since the continuous protrusion 25G is long in the transport direction D1, the load of the upper die 20 can be received in a wider range.
- tapered surface 25t is provided on the lower surface of the outer guided portion 25a, it is possible to reliably avoid the outer guided portion 25a, which is the end side of the continuous protruding portion 25G, from colliding with the groove portions 12a, 43a, 44a.
- FIG. 16 is a plan view showing an example of the upper mold 20H according to the eighth modification.
- outer pins 25p and inner pins 25q are provided on the left and right sides of the transport direction D1 with the central portion 26 interposed therebetween, and the outer pins 25p are one surface of the base portion 21 in the front-rear direction D2.
- the inner pin 25q is provided on the side (for example, the front surface side) and is provided on the other surface side (for example, the rear surface side) of the base 21.
- the outer pin 25p and the inner pin 25q are provided so as to project from the base 21 in the front-rear direction D2 in opposite directions.
- the distance L6 between the outer pin 25p and the inner pin 25q is longer than the gap length W1 of the gap S1 and the gap length W2 of the gap S2. Further, the upper die 20H is provided with an auxiliary pin 25c at the central portion 26 in the transport direction D1.
- the upper mold 20H since the distance L6 between the outer pin 25p and the inner pin 25q is longer than the gap lengths W1 and W2, even if the outer pin 25p or the inner pin 25q is located in the gaps S1 and S2, the gap S1 and It is possible to avoid falling into S2. Further, since the number of the protruding portions 25 is small, the configuration of the upper die 20H can be simplified. Further, by providing the auxiliary pin 25c, the load of the upper die 20H can be distributed by the outer pin 25p, the inner pin 25q and the auxiliary pin 25c, and the load on the outer pin 25p and the inner pin 25q can be reduced. Two or more auxiliary pins 25c may be provided, or the auxiliary pins 25c may not be provided.
- FIG. 17 is a front view showing an example of the processing system 200A according to the second embodiment.
- the same components as those in the above-described embodiment are designated by the same reference numerals, and the description thereof will be omitted or simplified.
- the connection rail 44 (see FIG. 1 and the like) is not provided, and the stocker 40 of the die changing device 4 is installed adjacent to the press machine 100.
- the upper guide rail 12 of the ram 11 is connected to the cassette 43 of the rack 41. That is, the cassette 43 serves as a connecting rail in the upper guide rail 12.
- the upper die 20 moves over the cassette 43 and the upper die guide rail 12. In this case, the upper die 20 gets over the gap S3 between the cassette 43 and the upper die guide rail 12.
- the distances L1, L2, L3, L4, L5, and L6 are longer than the gap length of the gap S3, respectively. Therefore, when the upper die 20 is conveyed between the upper die guide rail 12 and the cassette 43, either the outer guided portion 25a or the inner guided portion 25b has a gap S3 between the upper die guide rail 12 and the cassette 43.
- the posture of the upper die 20 can be stabilized when the upper die 20 is conveyed between the upper die guide rail 12 and the cassette 43, as in the first embodiment. Since the outer guided portion 25a or the inner guided portion 25b is prevented from colliding with the groove portion 12a, it is possible to prevent the generation of abnormal noise and the damage of the upper die 20, the upper die guide rail 12, and the cassette 43.
- the transport unit 46 transports the upper mold 20 and the like in a state where the locking portion 46d is inserted into the locked portion 28 of the upper mold 20 and the like.
- it may be configured to suck or grab a part of the upper mold 20 or the like and transport it.
- the outer guided portion 25a for example, the outer pin 25p
- the inner guided portion 25b for example, the inner pin 25q
- any one of the outer guided portion 25a and the inner guided portion 25b hits the upper surface side of the groove portions 12a, 43a, 44a, so that the outer guided portion 25a or the inner guided portion 25b is formed in the gaps S1 and S2. Prevent it from rising. As a result, the outer guided portion 25a or the inner guided portion 25b is prevented from colliding with the ends of the groove portions 12a, 43a, 44a. Further, an upward force is positively applied to the outer guided portion 25a or the inner guided portion 25b so that the outer guided portion 25a or the inner guided portion 25b abuts on the ends of the grooves 12a, 43a, 44a.
- the outer guided portion may be in the same shape as the outer guided portion so as not to hit the end portions of the groove portions 12a, 43a, 44a (in a state where the groove portions 12a, 43a, 44a are approached at a slight distance from the upper surface or the lower surface thereof). It may be in the form of applying an upward force to the 25a or the inner guided portion 25b.
- the cross section of the locked portion 28 of the upper die 20 and the locked portion 46d of the transport portion 46 is oval or elliptical, the locking portion 46d is rotated around an axis parallel to the front-rear direction D2. Therefore, a configuration may be used in which an upward force is applied to the outer guided portion 25a or the inner guided portion 25b.
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Abstract
Description
D2・・・前後方向
D3・・・上下方向
L1、L2、L3、L4、L5、L6・・・距離
S1、S2、S3・・・隙間
W1、W2・・・隙間長さ
10・・・ワーク
11・・・ラム
12・・・上型案内レール(金型案内レール)
12a、43a、44a・・・溝部
20、20A、20B、20C、20D、20E、20F、20G、20H、20X・・・上型
21・・・基部
21a、21b・・・貫通孔
21c・・・弾性体
22・・・刃先
25・・・突出部
25D、25E、25F、25G・・・連続突出部
25a・・・外側被案内部
25b・・・内側被案内部
25c・・・補助ピン
25p・・・外側ピン
25q・・・内側ピン
25t、25u・・・テーパ面
26・・・中央部
28・・・被係止部
30・・・下型
43・・・カセット(接続レール)
44・・・接続レール
46・・・搬送部
46d・・・係止部
100・・・プレス機械
200、200A・・・加工システム
Claims (10)
- プレス機械に備えるラムの下部に設けられた金型案内レールと、前記金型案内レールに接続される接続レールと、にわたって搬送される上型であって、
搬送方向及び上下方向と直交する前後方向から見て、中央部を挟んだ左右両側それぞれに、前記前後方向に突出しかつ前記金型案内レール及び前記接続レールに備える溝部に案内されて移動する突出部を備えており、
前記突出部はそれぞれ、前記中央部に対して前記搬送方向において外側に位置する外側被案内部と、この外側被案内部よりも前記中央部寄りの内側に位置する内側被案内部とを有し、前記外側被案内部と前記内側被案内部との前記搬送方向における距離が前記金型案内レールと前記接続レールとの隙間長さよりも長い、上型。 - 前記突出部は、前記外側被案内部である外側ピンと、前記内側被案内部である内側ピンとにより形成される、請求項1に記載の上型。
- 前記外側ピンは、前記内側ピンよりも上方に配置される、請求項2に記載の上型。
- 前記外側ピン及び前記内側ピンは、前記前後方向に形成されている貫通孔を貫通して前後両側に突出するように設けられ、
前記外側ピンと前記貫通孔との間、及び前記内側ピンと前記貫通孔との間の少なくとも一方に弾性体が配置される、請求項2又は請求項3に記載の上型。 - 左右の前記内側ピンの間に、前記前後方向に突出しかつ前記溝部に案内されて移動する補助ピンを備える、請求項2から請求項4のいずれか一項に記載の上型。
- 前記突出部は、前記外側被案内部から前記内側被案内部にわたって連続して突出するように形成された連続突出部である、請求項1に記載の上型。
- 前記連続突出部は、前記外側被案内部及び前記内側被案内部の少なくとも一方における下面に、上方に向けて傾斜するテーパ面を備える、請求項6に記載の上型。
- 左右の前記内側被案内部は、連続して突出するように形成されている、請求項6に記載の上型。
- 上型と下型とによりワークをプレス加工するプレス機械と、
前記プレス機械に備えるラムの下部に設けられた金型案内レールに接続される接続レールと、を有し、
前記上型が前記金型案内レールと前記接続レールとにわたって搬送される加工システムであって、
前記上型は、請求項1から請求項8のいずれか一項に記載の上型である、加工システム。 - 前記上型は、前記前後方向に形成される被係止部を備え、
前記前後方向に進退し、前記被係止部に対して前記搬送方向に係止する係止部を備え、前記係止部が前記被係止部と係止した状態で前記搬送方向に移動することにより前記上型を搬送する搬送部を備える、請求項9に記載の加工システム。
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2021
- 2021-08-06 US US18/023,417 patent/US20240024942A1/en active Pending
- 2021-08-06 WO PCT/JP2021/029359 patent/WO2022059382A1/ja active Application Filing
- 2021-08-06 JP JP2022550408A patent/JPWO2022059382A1/ja active Pending
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US7168286B1 (en) * | 2005-10-29 | 2007-01-30 | Pelech Bruno J | Device and method for securing a punch tool to a ram portion of a press brake |
JP2014083541A (ja) * | 2012-10-19 | 2014-05-12 | Amada Co Ltd | 板材折曲げ加工システム |
JP2017537793A (ja) * | 2014-11-10 | 2017-12-21 | トルンプ マシーネン オーストリア ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | 曲げプレス及び/又は装填装置 |
JP2019181484A (ja) * | 2018-04-03 | 2019-10-24 | 村田機械株式会社 | 金型交換装置、プレス機械、及び金型交換方法 |
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JPWO2022059382A1 (ja) | 2022-03-24 |
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