CN110586770B - Progressive radius stamping die - Google Patents
Progressive radius stamping die Download PDFInfo
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- CN110586770B CN110586770B CN201911013001.9A CN201911013001A CN110586770B CN 110586770 B CN110586770 B CN 110586770B CN 201911013001 A CN201911013001 A CN 201911013001A CN 110586770 B CN110586770 B CN 110586770B
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- cutting die
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- 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
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses a progressive radius stamping die which is technically characterized by comprising a lower template, a fixed cutter die, an upper template and a movable cutter die, wherein the lower template is arranged on a workbench, the fixed cutter die is arranged on the upper surface of the lower template, a shifting piece is arranged on the lower surface of the upper template, a stress resisting pile is arranged at the lower surface mounting end of the shifting piece through a telescopic piece, the movable cutter die is arranged at the bottom end of the stress resisting pile, the movable cutter die comprises a starting die and a final die, the curvature of the inner wall cambered surface of the starting die and the final die is gradually reduced, the curvature of the inner wall cambered surface of the final die is the same as the curvature of the outer wall cambered surface of the fixed cutter die, a stamping resisting pile is arranged on the upper template in a sliding mode along the vertical direction, and the top end of the stamping resisting pile is connected with the driving end of a stamping power device. The invention can gradually process the blank in an arc shape, thereby leading the blank to be evenly stressed progressively and reducing the possibility that the blank is cracked due to sudden large shearing stress.
Description
Technical Field
The invention relates to the field of stamping, in particular to a progressive radius stamping die.
Background
The stamping processing is a production technology for obtaining product parts with certain shapes, sizes and performances by directly applying deformation force to a plate in a die and deforming the plate by means of the power of conventional or special stamping equipment; and stamping die is the essential part in the stamping process, according to different process nature, can divide into stamping die: blanking die, bending die, drawing die, forming die and riveting die, can process the blank into the required formation.
The traditional Chinese patent with the publication number of CN206763739U discloses a three-dimensional rotary cutting stamping die, which comprises an upper die plate and a lower die plate, wherein a slide rail is connected below the upper die plate, a movable knife fixing plate is connected on the slide rail in a sliding manner, a movable knife block is connected on the movable knife fixing plate, a fixed knife block matched with the movable knife block is arranged on the lower die plate, two guide blocks are respectively arranged on two sides of the fixed knife block, the two guide blocks are symmetrically arranged relative to the fixed knife block, fixed knife side bulges are respectively arranged on one opposite sides of the two guide blocks, a height difference exists between the two fixed knife side bulges, movable knife side bulges are respectively arranged on two sides of the movable knife fixing plate, and the two movable knife side bulges are respectively matched with one fixed knife side bulge.
However, the above patent still has the following problems: the cambered surface curvature of the movable cutting die and the cambered surface curvature of the fixed cutting die are directly matched for one time, and the movable cutting die and the fixed cutting die punch the blank once, so that the blank is easily cracked due to sudden high shearing stress.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a progressive radius stamping die which can be used for gradually processing a blank in an arc shape, so that the blank is uniformly stressed progressively, and the possibility of cracking caused by sudden high shearing stress on the blank is reduced.
In order to achieve the purpose, the invention provides the following technical scheme:
a progressive radius stamping die, which comprises a lower template, a fixed cutting die, an upper template and a movable cutting die, wherein the lower template is arranged on a workbench, the fixed cutting die is arranged on the upper surface of the lower template, the upper template is arranged above the lower template, the lower surface of the upper template is provided with a transposition piece, the lower surface mounting end of the transposition piece is provided with a stressed pile through a telescopic piece, the movable cutting die is arranged at the bottom end of the stressed pile, the movable cutting die comprises a starting die and a final die, the curvature of the inner wall cambered surface of the starting die and the inner wall cambered surface of the final die gradually decreases, the curvature of the cambered surface of the inner side wall of the final die is the same as that of the cambered surface of the outer side wall of the fixed cutter die, the upper die plate is provided with a punching and propping pile in a sliding manner along the vertical direction, the top end of the punching abutting pile is connected with the driving end of the punching power device, the punching abutting pile is opposite to the stressed end of the movable cutting die, and the punching abutting pile abuts against the stressed abutting pile which moves to the upper portion of the movable cutting die.
By adopting the technical scheme, the initial die and the final die can sequentially perform progressive stamping processing on the blank on the fixed cutting die under the stamping action of the stamping abutting pile by utilizing the transposition action of the transposition piece, and the arrangement of the telescopic piece can recover the original height after the movable cutting die is processed, so that the movable cutting dies cannot interfere with each other.
The movable cutting die further comprises at least one transition die, and the curvature of the inner wall arc surface of the transition die is positioned between the curvature of the inner wall arc surface of the initial die and the curvature of the inner wall arc surface of the final die and gradually becomes smaller.
By adopting the technical scheme, the proper stamping times can be selected according to the material and thickness of the blank, so that the blank is gradually subjected to shear stress and deforms within the range capable of being born by the blank, and the possibility of cracking caused by sudden large shear stress of the blank is further reduced.
The invention is further arranged in that the transposition piece comprises a transposition rotating shaft, a transposition plate and a punching through groove, the transposition rotating shaft is rotatably arranged on the lower surface of the upper template, a first driving device for driving the transposition rotating shaft to rotate is arranged on the upper template, the transposition plate is arranged at the bottom end of the transposition rotating shaft and rotates along with the transposition rotating shaft, the punching through groove penetrates through the transposition plate and corresponds to the movable cutting die in a one-to-one mode, and the punching abutting pile penetrates through the punching through groove and abuts against the stressed abutting pile.
Through adopting above-mentioned technical scheme, the rotation of transposition pivot can directly rotate corresponding moving cutting die to the position relative with stationary knife mould fast to make punching press support the stake and can support the stake to the atress through corresponding punching press logical groove and exert stamping pressure, corresponding moving cutting die realizes the punching press to the blank on stationary knife mould.
The invention is further set up in that the telescopic part comprises a guide ring plate, a telescopic ring plate and a telescopic spring, the guide ring plate is arranged on the lower surface of the shifting plate and positioned around the stamping through groove, a guide ring groove extending along the vertical direction is arranged at the bottom end of the guide ring plate, the telescopic ring plate is arranged in the guide ring groove in a sliding manner along the vertical direction, the telescopic spring is fixedly arranged between the top end of the telescopic ring plate and the top wall of the guide ring groove, and the stress resisting pile is arranged at the bottom end of the telescopic ring plate.
Through taking above-mentioned technical scheme, when the stake promotes the atress to support the stake, the slip ring plate is slided at the direction annular ring, not only to moving the cutting die and forming spacingly in vertical direction, moreover, moving the cutting die and moving the in-process down, expanding spring is stretched, consequently, after the stake is supported in the punching press and is removed stamping pressure, expanding spring can drive automatically and move the cutting die to original height, convenient and fast.
The invention is further arranged in such a way that the transposition rotating shaft is arranged on the upper template in a sliding way through the matching piece, the transposition rotating shaft is rotatably connected with the matching piece, the transposition rotating shaft slides in the direction of a horizontal direct connecting line between the axis of the transposition rotating shaft and the center of the movable cutting die, and the horizontal distance between the horizontal end wall of the transposition plate and the transposition rotating shaft is arranged in equal proportion to the curvature of the cambered surface of the movable cutting die.
By adopting the technical scheme, the size of the shifting plate on the side corresponding to the movable cutting die can be correspondingly adjusted according to the occupied space of the movable cutting die in the horizontal direction, so that the occupied space of the shifting plate is saved under the condition that the movable cutting dies do not interfere with each other; meanwhile, because the distances between the end wall of the transposition plate and the transposition rotating shaft in all directions are different, the movable cutting die cannot be positioned on a circle after rotation and cannot be opposite to the fixed cutting die, and therefore, the arrangement of the matching piece can move the offset movable cutting die to the position opposite to the fixed cutting die, and the normal stamping working requirement of the stamping die is met.
The invention is further arranged in that the matching piece comprises a sliding cavity, a sliding through groove, a sliding plate and a second driving device, the sliding cavity is arranged in the upper template along the sliding direction of the transposition rotating shaft, the sliding through groove penetrates through the bottom wall of the sliding cavity, the sliding plate is arranged in the sliding cavity in a sliding mode, the second driving device is arranged in the sliding cavity, the driving end is connected with the sliding plate, the transposition rotating shaft is arranged on the side wall of the lower surface of the sliding plate, opposite to the sliding through groove, the first driving device is arranged on the upper template in a sliding mode, and the driving end penetrates through the sliding plate and is fixedly connected with the transposition rotating shaft.
By adopting the technical scheme, the second driving device drives the sliding plate to slide, so that the transposition rotating shaft can be conveniently and quickly driven to move, and the movable cutter die below the transposition plate is moved to a working position; meanwhile, the first driving device slides and can move along with the transposition rotating shaft on the sliding plate, so that the first driving device can smoothly drive the transposition rotating shaft to rotate.
The invention is further arranged in a way that at least one pair of guide blocks are oppositely arranged on the arc-shaped outer side wall of the cutting die, the end walls of the guide blocks extend along the horizontal direction and are far away from the movable cutting die, guide seats opposite to the guide blocks are arranged on the upper surface of the lower template and positioned on the periphery of the fixed cutting die, guide sliding grooves are concavely arranged at the top ends of the guide seats, and the guide blocks are connected with the guide sliding grooves in an abutting and sliding way.
By adopting the technical scheme, when the movable cutter die is pressed towards the fixed cutter die, the movable cutter die can be guaranteed to move along the vertical direction under the limiting action of the guide block and the guide sliding groove, so that the moving track of the movable cutter die is prevented from being influenced by the reaction force of the blank on the movable cutter die, and the product quality is prevented from being influenced.
The invention is further provided in that a rotary connecting block is rotatably arranged in the upper template, the driving end of the first driving device is connected with the top end of the rotary connecting block, the bottom end of the rotary connecting block extends out of the lower surface of the lower template, and the transposition rotating shaft is detachably connected with the bottom end of the rotary connecting block.
By adopting the technical scheme, when the shifting plate and the movable cutting die are damaged, the shifting plate and the movable cutting die can be replaced in time, and the product quality is ensured.
The invention is further provided that the top end of the movable cutting die is detachably connected with the bottom end of the stressed resisting pile.
By adopting the technical scheme, the damaged movable cutting die can be locally replaced, and materials are saved.
In conclusion, the invention has the following beneficial effects:
1. the movable cutting die is divided into a final die, an initial die and a transition die, the curvature of the cambered surface of which is not understood, and the final die, the initial die and the transition die are matched with the fixed cutting die for use, so that the blank is gradually stamped, the blank is gradually bent and deformed, the blank is uniformly stressed progressively, and the possibility that the blank is cracked due to sudden large shearing stress is reduced;
2. according to the invention, the arrangement of the matching piece can save the space occupied by the shifting plate and prevent the movable cutting dies from interfering with each other.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of a structure embodying the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
FIG. 5 is a schematic diagram of a transposing plate structure according to the present invention.
Fig. 6 is an enlarged view at C in fig. 1.
Reference numerals: 1. a lower template; 2. a cutter fixing die; 3. mounting a template; 31. a transposition piece; 311. a transposition rotating shaft; 312. a transposition board; 313. punching a through groove; 314. a first driving device; 32. punching and pressing the support pile; 4. moving a cutting die; 41. starting a mold; 42. finishing the mold; 43. a transition die; 44. bearing the pile under stress; 45. a telescoping member; 451. a guide ring plate; 452. a telescopic ring plate; 453. a tension spring; 454. a guide ring groove; 5. a mating member; 51. a sliding cavity; 52. a sliding through groove; 53. a slide plate; 54. a second driving device; 6. a guide block; 61. a guide seat; 62. a guide chute; 7. the connecting block is rotated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the invention discloses a progressive radius stamping die, as shown in figure 1, comprising a lower template 1, a fixed cutter die 2, an upper template 3 and a movable cutter die 4, wherein the lower template 1 can be fixedly arranged on a workbench through bolts, the upper template 3 can be arranged on a frame of a stamping power device through a frame plate and is positioned above the lower template 1, the fixed cutter die 2 is fixedly arranged on the upper surface of the lower template 1, the movable cutter die 4 comprises a starting die 41, two transition dies 43 and a final die 42 with the same curvature of an inner side wall arc surface and the same curvature of an outer side wall arc surface of the fixed cutter die 2, the curvature of the inner wall arc surfaces of the starting die 41, the transition dies 43 and the final die 42 is gradually reduced, a transposition piece 31 is arranged on the lower surface of the upper template 3, four force-bearing pile-bearing 44 are arranged at the lower surface mounting end of the transposition piece 31 through a telescopic piece 45, one starting die 41, two transition dies 43 and one final die 42 are respectively arranged at the bottom ends of the force-bearing piles 44, the upper die plate 3 is provided with a punching abutting pile 32 in a sliding manner along the vertical direction, the top end of the punching abutting pile 32 is connected with the driving end of a punching power device, and the punching abutting pile 32 abuts against a stressed abutting pile 44 which moves to the upper part of the movable die 4. In the stamping process, firstly, a blank is placed at the top end of the fixed cutter die 2, then the initial die 41 is opposite to the movable cutter die 4, the stamping power device is started, the stamping pile 32 pushes the stressed pile 44 at the top end of the initial die 41, and the initial die 41 moves towards the fixed cutter die 2 along the vertical direction to stamp the blank preliminarily; after the preliminary punching is finished, the pressure of the punching pile 32 is released, the initial die 41 is reset under the reset action of the telescopic piece 45, then the shifting piece 31 is started, and the first transition die 43 with large camber and the second transition die 43 with small camber are opposite to the movable die 4 in sequence, so that the secondary punching of the blank is finished; and finally, the final die 42 is opposite to the movable die 4, and the final punching of the blank is finished to obtain the product.
As shown in fig. 2 and 4, the transposition member 31 includes a transposition rotating shaft 311, a transposition plate 312 and a punching through slot 313, the upper mold plate 3 is rotatably provided with a rotating link 7, and the transposition rotating shaft 311 is rotatably connected with the lower surface of the upper mold plate 3 by being connected with the bottom end of the rotating link 7; meanwhile, the bottom end of the rotary connecting block 7 is provided with an installation groove, the top end of the transposition rotating shaft 311 is fixed in the installation groove through a bolt, and the top ends of the final die 42, the transition die 43 and the initial die 41 are also connected with the bottom end of the stressed pile 44 through a bolt; the lower template 1 is provided with a first driving device 314 (preferably a driving motor) with a driving end fixedly connected with the top end of the rotating connecting block 7, four stamping through grooves 313 penetrate through the transposition plate 312, and the four stamping through grooves 313 are respectively arranged corresponding to one starting die 41, two transition dies 43 and one final die 42. Starting the first driving device 314, rotating the connecting block 7 to drive the transposition rotating shaft 311 to rotate, so that the transposition plate 312 moves the corresponding movable cutting die 4 to the upper side of the fixed cutting die 2 under the driving of converting into the rotating shaft, at the moment, the punching through groove 313 for the pair of the movable cutting die 4 positioned right above the fixed cutting die 2 is opposite to the punching support pile 32, and the punching support pile 32 can pass through the punching through groove 313 and then is abutted to the stressed support pile 44; moreover, if the final die 42, the transition die 43 and the initial die 41 are individually worn after long-time use, the movable cutting die 4 which can be damaged can be detached from the bottom end of the stress supporting pile 44, and a new movable cutting die 4 is replaced; when the movable cutting die 4 and the shifting plate 312 are mostly worn, the shifting rotating shaft 311 can be detached from the mounting groove, and the movable cutting die 4 and the shifting plate 312 on the shifting plate 312 can be integrally replaced.
As shown in fig. 3, the telescopic member 45 includes a guide ring plate 451, a telescopic ring plate 452, and a telescopic spring 453, the guide ring plate 451 is disposed on the lower surface of the index plate 312 and located around the stamping through slot 313, a guide ring slot 454 extending in the vertical direction is disposed at the bottom end of the guide ring plate 451, the telescopic ring plate 452 is slidably disposed in the guide ring slot 454 in the vertical direction, the telescopic spring 453 is fixedly disposed between the top end of the telescopic ring plate 452 and the top wall of the guide ring slot 454, and the force-bearing pile 44 is fixedly disposed at the bottom end of the telescopic ring plate 452; when the punching support pile 32 pushes the stressed support pile 44, the retractable ring plate 452 moves downward in the guide ring groove 454, the retractable spring 453 is stretched, after the punching is completed and the stressed support pile 44 is unloaded, the retractable ring plate 452 drives the stressed support pile 44 to return to the original position under the action of the restoring force of the retractable spring 453, and the movable die 4 can return to the original height.
As shown in fig. 4 and 5, in order to reduce the occupied space of the shifting plate 312, the shifting rotary shaft 311 is slidably disposed on the rotary connecting block 7 on the upper die plate 3 through the matching piece 5, so that the shifting rotary shaft 311 and the matching piece 5 can be non-rotatably connected, so that the rotary connecting block 7 drives the matching piece 5 and the shifting rotary shaft 311 to integrally rotate, the matching piece 5 alone drives the shifting rotary shaft 311 to slidably move in the direction of the horizontal direct connection line between the axis of the shifting rotary shaft 311 and the center of the movable die 4, the horizontal distance between the horizontal end wall of the shifting plate 312 and the shifting rotary shaft 311 is set in equal proportion to the curvature of the arc surface of the movable die 4, and the shifting plate 312 in this embodiment is oval; in the process of rotating the shifting plate 312, the fitting piece 5 can drive the shifting plate 312 to slide along the horizontal direction through the shifting rotating shaft 311, so that the movable knife mold 4 can move to the position opposite to the fixed knife mold 2 along the horizontal direct connecting line direction between the axis of the shifting rotating shaft 311 and the center of the movable knife mold 4.
As shown in fig. 4, the mating member 5 includes a sliding cavity 51, a sliding through slot 52, a sliding plate 53 and a second driving device 54 (preferably a driving cylinder), the sliding cavity 51 is disposed in the rotating connecting block 7 on the upper template 3 along the sliding direction of the shifting rotating shaft 311, the sliding through slot 52 is disposed through the bottom wall of the sliding cavity 51, the sliding plate 53 is slidably disposed in the sliding cavity 51, the mounting slot on the shifting rotating shaft 311 is disposed on the side wall of the lower surface of the sliding plate 53 opposite to the sliding through slot 52, the second driving device 54 is disposed in the sliding cavity 51 and has a driving end connected with the sliding plate 53, meanwhile, since the sliding cavity 51 is disposed in the rotating connecting block 7, the first driving device 314 drives the rotating connecting block 7 to rotate, so that the first driving device 314 is not slidably disposed on the upper surface of the upper template 3, and the driving end of the first driving device 314 can not pass through the sliding plate 53 and be connected with the shifting rotating shaft 311; after the rotating connecting block 7 rotates the position changing plate 312 to the preset position, the second driving device 54 drives the sliding plate 53 to slide, so as to move the movable cutting die 4 on the position changing plate 312 to the final required position.
As shown in fig. 6, a pair of guide blocks 6 are oppositely arranged on the arc-shaped outer side walls of the final die 42, the transition die 43 and the initial die 41, the end walls of the guide blocks 6 extend along the horizontal direction and are far away from the movable cutting die 4, two guide seats 61 opposite to the guide blocks 6 are arranged on the upper surface of the lower template 1 at the periphery of the fixed cutting die 2, and a guide sliding chute 62 is concavely arranged at the top end of each guide seat 61; when the final die 42, the transition die 43 and the initial die 41 move next, the guide block 6 is in contact with and slides in the guide chute 62 to guide the movement of the final die 42, the transition die 43 and the initial die 41, so that the punching quality of the product is improved.
The working process is as follows:
in the stamping process, firstly, a blank is placed at the top end of the fixed cutter die 2, then the initial die 41 is opposite to the movable cutter die 4, then the stamping power device is started, the stamping abutting pile 32 is promoted to push the stressed abutting pile 44 at the top end of the initial die 41 to move downwards, and the initial die 41 completes the primary stamping of the blank; after the preliminary punching is finished, the pressure of the punching pile 32 is released, the expansion spring 453 drives the initial die 41 to return to the initial height, then the first driving device 314 and the second driving device 54 are started, and the first transition die 43 with large camber and the second transition die 43 with small camber are opposite to the movable die 4 in sequence, so that the secondary punching of the blank is finished; and finally, the final die 42 is opposite to the movable die 4, and the final punching of the blank is finished to obtain the product.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a progressive radius stamping die which characterized in that: the punching die comprises a lower die plate (1), a fixed cutting die (2), an upper die plate (3) and a movable cutting die (4), wherein the lower die plate (1) is arranged on a workbench, the fixed cutting die (2) is arranged on the upper surface of the lower die plate (1), the upper die plate (3) is arranged above the lower die plate (1), a transposition piece (31) is arranged on the lower surface of the upper die plate (3), a stress supporting pile (44) is arranged at the lower surface mounting end of the transposition piece (31) through a telescopic piece (45), the movable cutting die (4) is arranged at the bottom end of the stress supporting pile (44), the movable cutting die (4) comprises a starting die (41) and a finishing die (42), the inner wall cambered surface bending degree of the starting die (41) and the finishing die (42) is gradually reduced, the cambered surface inner side wall bending degree of the finishing die (42) is the same as that of the outer side wall of the fixed cutting die (2), and the upper die plate (3) is provided with a punching supporting pile (32) in a sliding mode along the vertical direction, the top end of the punching abutting pile (32) is connected with the driving end of the punching power device, the punching abutting pile (32) is opposite to the stress end of the movable cutting die (4), and the punching abutting pile (32) is abutted to the stress abutting pile (44) which moves above the movable cutting die (4);
the shifting piece (31) comprises a shifting rotating shaft (311), a shifting plate (312) and a punching through groove (313), the shifting rotating shaft (311) is rotatably arranged on the lower surface of the upper template (3), a first driving device (314) for driving the shifting rotating shaft (311) to rotate is arranged on the upper template (3), the shifting plate (312) is arranged at the bottom end of the shifting rotating shaft (311) and rotates along with the shifting rotating shaft (311), the punching through groove (313) penetrates through the shifting plate (312) and corresponds to the movable cutting dies (4) one by one, and the punching abutting piles (32) penetrate through the punching through groove (313) and abut against the stressed abutting piles (44);
transposition pivot (311) slide through fitting piece (5) and set up on cope match-plate pattern (3), transposition pivot (311) are rotated with fitting piece (5) and are connected, transposition pivot (311) slide on the horizontal direct line direction between transposition pivot (311) axle center and movable cutting die (4) center, horizontal distance between transposition board (312) horizontal end wall and the transposition pivot (311) and the cambered surface crookedness degree size equal proportion setting of movable cutting die (4).
2. The progressive radius press die of claim 1, wherein: the movable cutting die (4) further comprises at least one transition die (43), and the curvature of the inner wall arc surface of the transition die (43) is located between the curvature of the inner wall arc surface of the initial die (41) and the curvature of the inner wall arc surface of the final die (42) and gradually becomes smaller.
3. The progressive radius press die of claim 1, wherein: extensible member (45) are including direction crown plate (451), flexible crown plate (452) and expanding spring (453), direction crown plate (451) sets up and is changing position board (312) lower surface and be located punching press and lead to groove (313) all around, the bottom of direction crown plate (451) is provided with along guide ring groove (454) that vertical direction extended, flexible crown plate (452) slide along vertical direction and set up in guide ring groove (454), expanding spring (453) are fixed to be set up between the top of flexible crown plate (452) and the roof of guide ring groove (454), the atress supports stake (44) and sets up the bottom at flexible crown plate (452).
4. The progressive radius press die of claim 1, wherein: fitting piece (5) are including sliding chamber (51), the logical groove (52) that slides, slide (53) and second drive arrangement (54), it sets up in cope match-plate pattern (3) to slide chamber (51) along transposition pivot (311) direction of sliding, it runs through the setting on the diapire that slides chamber (51) to slide logical groove (52), slide (53) slide and set up in sliding chamber (51), second drive arrangement (54) set up in sliding chamber (51) and the drive end is connected with slide (53), transposition pivot (311) are rotated and are set up on slide (53) lower surface and the relative lateral wall of logical groove (52) that slides, first drive arrangement (314) slide and set up on cope match-plate pattern (3) and the drive end passes slide (53) and transposition pivot (311) fixed connection.
5. The progressive radius press die of claim 1, wherein: move and be provided with at least a pair of guide block (6) on the arc lateral wall of cutting die (4) relatively, guide block (6) end wall extends and keeps away from cutting die (4) along the horizontal direction, lower bolster (1) upper surface is located all around of deciding cutting die (2) and is provided with guide holder (61) relative with guide block (6), the top of guide holder (61) is sunken to be provided with direction spout (62), guide block (6) and direction spout (62) butt are slided and are connected.
6. The progressive radius press die of claim 1, wherein: the upper die plate (3) is rotatably provided with a rotating connecting block (7), the driving end of the first driving device (314) is connected with the top end of the rotating connecting block (7), the bottom end of the rotating connecting block (7) extends out of the lower surface of the lower die plate (1), and the transposition rotating shaft (311) is detachably connected with the bottom end of the rotating connecting block (7).
7. The progressive radius press die of claim 1, wherein: the top end of the movable cutting die (4) is detachably connected with the bottom end of the stressed resisting pile (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013001.9A CN110586770B (en) | 2019-10-23 | 2019-10-23 | Progressive radius stamping die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911013001.9A CN110586770B (en) | 2019-10-23 | 2019-10-23 | Progressive radius stamping die |
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| CN110586770A CN110586770A (en) | 2019-12-20 |
| CN110586770B true CN110586770B (en) | 2022-04-19 |
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