CN211191667U

CN211191667U - Device for cutting and bending support

Info

Publication number: CN211191667U
Application number: CN201922070520.0U
Authority: CN
Inventors: 马中健; 郑康; 叶森林
Original assignee: Pinghu Aichiwei Auto Parts Co Ltd
Current assignee: Pinghu Aichiwei Auto Parts Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-07
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a device for cutting and bending a bracket, which can realize punching and trimming of a plate on a set of dies, reduce the die station arrangement, provide the production efficiency, unify the product quality and reduce the cost; bending and then blanking are carried out, only one set of grinding tool is needed, and the operation is convenient. A device for cutting and bending a support comprises a lower die base, an upper die base, a first station and a third station; two first circular blanking holes, two first strip-shaped blanking holes and two first bracket blanking holes are formed in the lower die base; the two first strip-shaped blanking holes are symmetrically arranged in a front-back adjacent mode, the two first circular blanking holes are arranged on two sides between the two first strip-shaped blanking holes, the first support blanking holes are located on one side of the first strip-shaped blanking holes, the shape of the first support blanking holes is matched with the outer contour of the support, and the two first support blanking holes are symmetrically arranged in a front-back adjacent mode.

Description

Device for cutting and bending support

Technical Field

The utility model belongs to the technical field of the mould production, specifically speaking relates to a device that is used for support to cut and bend.

Background

The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. Blanking is a stamping process in which a die is used to separate a portion of a material or work piece from another portion of the material, work piece, or scrap. The blanking is a general name of the separation processes of cutting, blanking, punching, notching, chiseling, trimming, tongue cutting, trimming and the like.

Before the support is formed, a round hole for installing the support needs to be punched in the middle of a plate, redundant waste materials on two sides of the round hole are punched, the shape of the support is reserved, and the outer contour of the product support is irregular, so that the redundant waste materials on two sides of the round hole need to be punched twice. As shown in the drawing, no set of special processing mold for the support exists at present, and in the prior art, three stations are operated through three sets of molds, so that the operation is inconvenient, the cost is increased, and the rapid and efficient production is not facilitated. The support need be through bending before the shaping, and prior art is that single blanking gets off the support of whole row earlier, then puts single support and bends in the bender, reaches the effect of bending, exists following not enoughly: 1. the punching and bending are firstly carried out, and then the die bodies are distributed on two sets of dies, and two independent stations are needed for processing, so that the cost is increased, and the field is occupied; 2. the support that the blanking was accomplished need be transported, and is consuming time, bends single support moreover, need take down, and the operation is inconvenient.

Disclosure of Invention

The utility model aims at providing a device for cutting and bending a bracket, which can realize punching and trimming of a plate on a set of die, reduce the setting of die stations, provide production efficiency, unify the quality of products and reduce the cost; bending and then blanking are carried out, only one set of grinding tool is needed, and the operation is convenient.

In order to solve the technical problem, the purpose of the utility model is to realize like this:

a device for cutting and bending a support comprises a lower die base, an upper die base, a first station and a third station; two first circular blanking holes, two first strip-shaped blanking holes and two first bracket blanking holes are formed in the lower die base; the two first strip-shaped blanking holes are symmetrically arranged in a front-back adjacent mode, the two first circular blanking holes are arranged on two sides between the two first strip-shaped blanking holes, the first support blanking holes are located on one side of the first strip-shaped blanking holes, the shape of the first support blanking holes is matched with the outer contour of a support, and the two first support blanking holes are symmetrically arranged in a front-back adjacent mode; the first station comprises a first lower base plate arranged on the upper surface of a lower die base, six floating pins are arranged on the first lower base plate, springs are sleeved at the bottoms of the floating pins and are pressed on the lower die base, the six floating pins are arranged oppositely in a row of three, two second circular blanking holes, two second strip-shaped blanking holes and two second support blanking holes are formed in the lower base plate, and the second circular blanking holes and the second strip-shaped blanking holes are formed among the six floating pins; the upper surface of the first lower backing plate is provided with a first lower template, and the heads of the six floating pins penetrate out of the first lower template; a first lower template insert, two second lower template inserts and a third lower template insert are fixed in the first lower template; the first lower template insert is provided with two third circular blanking holes and two third strip-shaped blanking holes, the two second lower template inserts are respectively provided with third support blanking holes, a first punch is embedded in the third support blanking holes, the first punch protrudes out of the second lower template insert, the upper surface of the third lower template insert is sunken to form a support pit matched with the outer contour of the support, and the third lower template insert is positioned on one side of the second lower template insert; the first circular blanking hole, the second circular blanking hole and the third circular blanking hole are communicated, the first strip-shaped blanking hole, the second strip-shaped blanking hole and the first strip-shaped blanking hole are communicated, and the first support blanking hole, the second support blanking hole and the third support blanking hole are communicated; two edges of the first lower template are provided with first inner guide sleeves;

a first rectangular spring is embedded in the upper die base, and a first ejector rod is pressed at the bottom of the first rectangular spring; the first station comprises a first upper base plate arranged on the lower surface of the upper die holder, a first rectangular spring is fixed in the first upper base plate, and a first ejector rod penetrates through the first upper base plate; a first upper clamping plate is arranged on the lower surface of the first upper backing plate, a first ejector rod penetrates through the first upper clamping plate, a second punch is fixed on the first upper clamping plate, and the second punch is matched with the third circular blanking hole and used for punching a circular hole; a first inner guide pillar corresponding to the first inner guide sleeve is fixed on the first upper clamp plate; the lower surface of the first upper clamping plate is provided with a first stop plate, a first ejector rod is propped against the first stop plate, a third punch and two fourth punches are fixed on the first stop plate, the third punch is matched with a third strip-shaped blanking hole, the fourth punch is matched with a third support blanking hole, and a first inner guide pillar penetrates out of the first stop plate; the lower surface of the first stop plate is provided with a first upper stripping plate, the first upper stripping plate is provided with a first through hole corresponding to the floating pin, the first upper stripping plate is provided with a second through hole corresponding to the first punch, the second punch, the third punch and the fourth punch all penetrate out of the first upper stripping plate, and the first inner guide pillar penetrates out of the first upper stripping plate;

the third station comprises two symmetrical third lower cushion plates arranged on the upper surface of the lower die base, a support frame is arranged between the two third lower cushion plates, the upper surfaces of the two third lower cushion plates are respectively provided with a third lower die plate, and the two third lower die plates are also symmetrically arranged; a third inner guide sleeve is arranged on the third lower template; the support frame is formed by assembling a first support, a second support, four third supports and a fourth support; the first support comprises a first plate body, the first plate body is fixedly connected with the lower die base, three first stand columns which are arranged at intervals are arranged on the upper surface of the first plate body, and a first mounting hole is formed between two adjacent first stand columns on the first plate body; the second support comprises a first mounting block with a cuboid bottom, a second upright post protrudes from the middle of the top surface of the first mounting block, and a second support is fixed in the first mounting hole; the third support comprises a second mounting block with a cuboid bottom, a third upright post protrudes from the middle of the top surface of the second mounting block, and one third support is fixed in the other first mounting hole; the fourth support comprises a second plate body, the second plate body is fixedly connected with the lower die holder, the two ends of the upper surface of the second plate body are provided with fourth stand columns, the top surface of one of the fourth stand columns inclines to form a blanking inclined plane, two opposite blanking columns are arranged between the two fourth stand columns on the second plate body, a blanking through hole is formed between the two blanking columns, a second mounting hole is formed between the blanking column and the fourth stand column on the second plate body, and the two third supports are fixed in the second mounting hole; a third bracket is fixed between the first bracket and the fourth bracket;

the upper surface of the first mounting block protrudes out of the upper surface of the first plate body, and the first plate body, the second mounting block and the second plate body are equal in height; the width of two side walls of the second upright post protrudes the width of two side walls of the first upright post, and the outer contour of the first upright post, the outer contour of the third upright post and the outer contour of the fourth upright post are the same; two groups of material blocking assemblies are arranged on the support frame at intervals, each material blocking assembly comprises two 7-shaped material blocking plates, the two material blocking plates are symmetrically arranged oppositely, and the side surfaces of the heads of the material blocking plates are sunken to form bending surfaces; a third support is arranged between the two groups of material blocking assemblies;

a third rectangular spring is embedded in the upper die base, and a third ejector rod is pressed at the bottom of the third rectangular spring; the third station comprises a third upper base plate arranged on the lower surface of the upper die holder, a third rectangular spring is fixed in the third upper base plate, and a third ejector rod penetrates through the third upper base plate; a third upper clamp plate is arranged on the lower surface of the third upper backing plate, a third ejector rod penetrates through the third upper clamp plate, and a third inner guide pillar corresponding to the third inner guide sleeve is fixed on the third upper clamp plate; the lower surface of the third upper clamping plate is provided with a third stop plate, a third ejector rod is pressed against the third stop plate, two first bending blocks, four second bending blocks and a fifth punch are fixed on the third stop plate, the two first bending blocks are symmetrically arranged, the two first bending blocks are matched with the second support to realize primary bending of the support, the side surface of each first bending block is sunken to form an arc-shaped cutting surface, the top surface edge of each first bending block is inclined to form a Z-shaped first bending surface, the top surface of each first bending block is sunken to form an avoiding groove, and the first bending surface is used for pressing the support; the four second bending blocks are arranged on one side of the first bending block, the four second bending blocks are arranged in an array mode, two second bending blocks are symmetrically arranged in a group mode, the edge of the top surface of each second bending block inclines to form an S-shaped second bending surface, and the second bending surface is used for jacking the support; the fifth punch is used for being inserted into the material cutting through hole to realize the separation of two adjacent brackets; the third inner guide column penetrates out of the third stop plate; the lower surface of the third stop plate is provided with a third upper stripping plate, a fourth through hole used for inserting the head of the striker plate is formed in the third upper stripping plate, the fourth through hole and the second bending block are alternately arranged, and the third inner guide column penetrates out of the third upper stripping plate.

On the basis of the above scheme and as a preferable scheme of the scheme: the first lower base plate is provided with three first guide sleeves, and the three first guide sleeves are in line connection with the two first circular blanking holes; four first guide pins are arranged on the first upper stripping plate, and connecting lines of the four guide pins and the second punch are in a straight line; the first guide pin is for insertion into the first guide sleeve.

On the basis of the above scheme and as a preferable scheme of the scheme: a first fixing block is fixed in the first upper clamping plate, and a first counter bore and a second counter bore are formed in the top surface of the first fixing block; the surface of the head of the second punch protrudes to form a first boss, and the surface of the head of the third punch protrudes to form a second boss; the first boss is sleeved in the first counter bore to form a fixing, and the second boss is sleeved in the second counter bore to form a fixing; a second fixing block is fixed in the first upper clamping plate, a third counter bore is formed in the top face of the second fixing block, a third boss is formed on the surface of the head of the fourth punch, and the third boss is sleeved in the third counter bore to form fixing.

On the basis of the above scheme and as a preferable scheme of the scheme: the first lower template insert is fixed with the first lower backing plate through a bolt, the second lower template insert is fixed with the first lower backing plate through a bolt, the third lower template insert is fixed with the first lower backing plate through a bolt, the lower surface of the lower die base is provided with a lower backing foot,

on the basis of the above scheme and as a preferable scheme of the scheme: a third fixing block is fixed in the third upper clamping plate, a fourth counter bore is formed in the top surface of the third fixing block, a fourth boss is formed on the surface of the head of the fifth punch, and the fourth boss is sleeved in the fourth counter bore to be fixed.

On the basis of the above scheme and as a preferable scheme of the scheme: the lower surface of the upper die holder is recessed to form a first pit for placing the first mounting block and a second pit for placing the second mounting block.

On the basis of the above scheme and as a preferable scheme of the scheme: the side wall of the die holder is provided with a discharging inclined plane which is parallel to the blanking inclined plane.

On the basis of the above scheme and as a preferable scheme of the scheme: the first plate body of the first support is connected with the lower die holder through a bolt, the first mounting block of the second support is connected with the lower die holder through a bolt, the second mounting block of the third support is connected with the lower die holder through a bolt, and the second plate body of the second support is connected with the lower die holder through a bolt.

On the basis of the above scheme and as a preferable scheme of the scheme: the first bending block is connected with the third upper clamping plate through a bolt, and the second bending block is connected with the third upper clamping plate through a bolt.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a device for support cuts and bends, first station includes that die holder is last to set up first circular blanking hole, second circular blanking hole and third circular blanking hole and to communicate with each other, and first bar blanking hole, second bar blanking hole and first bar blanking hole communicate with each other, and first support blanking hole, second support blanking hole and third support blanking hole communicate with each other; the plate can be subjected to step-by-step operation, and the bracket is punched and cut out of the plate through punching of a round hole, punching of a strip-shaped hole and punching of a hole bracket outer contour hole; the three sets of dies are arranged on one set, and the operation can be completed on one station, so that the cost is reduced, the production efficiency is improved, and meanwhile, the phenomenon that the quality of the support is not uniform due to transfer among multiple stations is avoided; the third station comprises a lower die base, a support frame is arranged on the lower die base and comprises a first support, a second support, a third support and a fourth support, a first bending block and a second bending block are correspondingly arranged on the upper die base, the supports are firstly subjected to pre-bending treatment on the second support and are bent to a certain angle but are not completely bent and formed, the bending standard is achieved by bending the second bending block twice, stop plates are further arranged on two sides of the support frame, and the two groups of stop plates can perform shaping and stop functions on the supports bent by the second bending block, so that the supports achieve the bending standard; the bent support is cut off in the material cutting through hole through a fifth punch on the upper die base, so that adjacent supports are separated and cut off, and transportation and installation are facilitated.

Drawings

FIG. 1 is a schematic view of a stent structure.

Fig. 2 is a schematic structural view of the lower die holder of the present invention.

Fig. 3 is a schematic diagram of a partial explosion structure of the present invention.

Fig. 4 is a schematic diagram of a partial explosion structure of the present invention.

Fig. 5 is a partial schematic structural diagram of the present invention.

Fig. 6 is a partial schematic structural diagram of the present invention.

Fig. 7 is an exploded view of the second punch and the first fixing block of the present invention.

Fig. 8 is a schematic view of a combination structure of the third punch and the first fixing block of the present invention.

Fig. 9 is a schematic diagram of a partial explosion structure of the present invention.

Fig. 10 is a partial schematic structural view of the present invention.

Fig. 11 is a schematic structural view of the lower die holder of the present invention.

Fig. 12 is a schematic view of the supporting frame of the present invention.

Fig. 13 is a schematic top view of the supporting frame of the present invention.

Fig. 14 is a schematic view of a first bracket structure of the present invention.

Fig. 15 is a schematic view of a second bracket structure of the present invention.

Fig. 16 is a schematic view of a third bracket structure of the present invention.

Fig. 17 is a schematic view of a fourth supporting structure of the present invention.

Fig. 18 is a schematic diagram of a partial explosion structure of the present invention.

Fig. 19 is a partial schematic structural view of the present invention.

Fig. 20 is a schematic structural view of a second bending block according to the present invention.

Fig. 21 is a schematic structural view of the first bending block of the present invention.

Fig. 22 is a schematic structural view of a fifth punch and a third fixing block of the present invention.

Reference numerals: lower die holder 01, first circular blanking hole 010, first bar-shaped blanking hole 011, first bracket blanking hole 012, first guide sleeve 013, first lower bolster 02, float pin 020, second circular blanking hole 021, second bar-shaped blanking hole 022, second bracket blanking hole 023, first lower die plate 03, first lower die plate insert 030, third circular blanking hole 0300, third bar-shaped blanking hole 0301, second lower die plate insert 031, third bracket blanking hole 0310, first punch 032, third lower die plate insert 033, bracket pit 0330, first inner guide sleeve 034, upper die holder 04, first rectangular spring 040, first ejector pin 041, first upper bolster 05, first upper clamp 06, second punch 060, first punch 061, first inner guide post, first fixing block 063, first counter bore 0630, second counter bore 0631, first stop plate 07, third stop plate 070, third punch 071, fourth punch 071, first boss 070, first punch 071 08, first punch through-hole 070, a second through hole 081, a first guide pin 082, and a lower pad leg 09; first concave pit 0120, second concave pit 0121, discharging inclined surface 0122, third lower backing plate 20, first bracket 21, first plate 210, first mounting hole 211, first upright post 212, second bracket 22, first mounting block 220, second upright post 221, third bracket 23, second mounting block 230, third upright post 231, fourth bracket 24, second plate 240, fourth upright post 241, discharging inclined surface 242, blanking post 243, blanking through hole 244, second mounting hole 245, baffle plate 25, bending surface 250, third lower plate 26, third inner guide sleeve 260, third rectangular spring 0427, third ejector rod 0428, third upper backing plate 27, third upper clamp plate 28, third inner guide post 280, third fixing block 281, fourth counter bore 282, third stop plate 29, first bending block 290, cutting surface 291, first bending surface 293, avoiding groove 293, second bending block 294, second bending surface 295, fifth bending surface 296, fourth punch 297, a third upper stripper plate 30, a fourth through-hole 300;

Detailed Description

The present invention will be further described with reference to the following detailed description;

the embodiment provides a device for cutting and bending a support, which comprises a lower die holder 01 and an upper die holder 04, wherein two outer guide pillars are fixed on the upper surface of the lower die holder 01 along the edges of bolts, outer guide sleeves are correspondingly arranged on the lower surface of the upper die holder 04 and the guide pillars, and the outer guide pillars are inserted into the outer guide sleeves for positioning and limiting, so that the upper die holder 04 is prevented from deviating downwards or excessively downwards, and the die is prevented from being damaged;

the lower die base 01 is provided with two first circular blanking holes 010, two first strip-shaped blanking holes 011 and two first bracket blanking holes 012; the two first strip-shaped blanking holes 011 are symmetrically arranged in a front-back adjacent mode, and the two first circular blanking holes 010 are arranged on two sides between the two first strip-shaped blanking holes 011; the first of the two first circular blanking holes 010 is used for punching a circular hole through hole in the plate body, and the other first circular blanking hole 010 plays a role in positioning, so that the plate is prevented from being deviated, and meanwhile, waste materials which are not completely dropped on the plate can be poked; the outer contour of the bracket is an irregular figure, and one-time punching cannot be finished, so that the punching of the first strip-shaped blanking hole 011 is performed in advance;

the first support blanking holes 012 are positioned on one side of the first strip-shaped blanking hole 011, the shape of the first support blanking holes 012 is matched with the outer contour of the support, and the two first support blanking holes 012 are symmetrically arranged in front and back; the first support blanking hole 012 is used for punching an edge of the plate for the second time, and cutting the outer contour of the support;

the first station comprises a first lower base plate 02 arranged on the upper surface of a lower die base 01, six floating pins 020 are arranged on the first lower base plate 02, springs are sleeved at the bottoms of the floating pins 020 and are pressed on the lower die base 01 in an abutting mode, the six floating pins 020 are arranged oppositely in a row, and the floating pins 020 are used for supporting a fed plate; the first lower backing plate is provided with two second circular blanking holes 021, two second strip-shaped blanking holes 022 and two second bracket blanking holes 023, and the second circular blanking holes 021 and the second strip-shaped blanking holes 022 are arranged among the six floating pins 020;

the upper surface of the first lower base plate 02 is provided with a first lower template 03, and the heads of the six floating pins 020 penetrate out of the first lower template 03; a first lower template insert 030, two second lower template inserts 031 and a third lower template insert 033 are fixed in the first lower template 03; the first lower template insert 030 and the first lower backing plate 02 are fixed through bolts, so that the disassembly and the assembly are convenient; the second lower template insert 031 is fixed with the first lower backing plate 02 through bolts, so that disassembly and assembly are convenient; the third lower template insert 033 is fixed to the first lower backing plate 02 by bolts, so that the disassembly and assembly are convenient;

the first lower template insert 030 is provided with two third circular blanking holes 0300 and two third strip-shaped blanking holes 0301, the two second lower template inserts 031 are respectively provided with third bracket blanking holes 0310, the third bracket blanking holes 0310 are embedded with first punches 032, and the first punches 032 protrude out of the second lower template inserts 031; the first punch 032 is positioned at a corner, and a plate cannot be directly cut off from the upper die base 04, so that the first punch 032 is placed in the blanking hole 0310 of the third support by adopting a separation structure, so that the plate body can be cut conveniently and reasonably;

the upper surface of the third lower template insert 033 is recessed to form a bracket pit 0330 adapted to the outer contour of the bracket, and the third lower template insert 033 is located at one side of the second lower template insert 031; the third lower die insert shapes the cut support plate, so that bending caused by stamping is reduced, next-step treatment can be smoothly carried out, and the quality of the support is improved;

the first round blanking hole 010, the second round blanking hole 021 and the third round blanking hole 0300 are communicated, the first bar-shaped blanking hole 011, the second bar-shaped blanking hole 022 and the first bar-shaped blanking hole 011 are communicated, waste is blanked and dropped, the first bracket blanking hole 012, the second bracket blanking hole 023 and the third bracket blanking hole 0310 are communicated, and the waste is blanked and dropped; two edges of the first lower template 03 are provided with first inner guide sleeves 034;

a first rectangular spring 040 is embedded in the upper die holder 04, and a first ejector rod 041 is pressed at the bottom of the first rectangular spring 040; the first station comprises a first upper backing plate 05 arranged on the lower surface of the upper die holder 04, a first rectangular spring 040 is fixed in the first upper backing plate 05, and a first ejector rod 041 penetrates through the first upper backing plate 05; a first upper clamp plate 06 is arranged on the lower surface of the first upper padding plate 05, a first ejector rod 041 penetrates through the first upper clamp plate 06, a second punch 060 is fixed on the first upper clamp plate 06, and the second punch 060 is matched with the third circular blanking hole 0300 for punching a circular hole; a first inner guide post 062 corresponding to the first inner guide sleeve 034 is fixed on the first upper clamp plate 06;

a first stop plate 07 is arranged on the lower surface of the first upper clamp plate 06, and the first ejector rod 041 is pressed against the first stop plate 07; the first stopper plate 07 may compress the first rectangular spring 040 by the first push rod 041; a third punch 070 and two fourth punches 071 are fixed on the first stop plate 07, the third punch 070 is matched with the third strip-shaped blanking hole 0301, the fourth punch 071 is matched with the third bracket blanking hole 0310, and the first inner guide post 062 penetrates out of the first stop plate 07; after the second punch 060, the third punch 070 and the fourth punch 071 are blanked, the first rectangular spring 040 is reset to remove the support;

the lower surface of the first stop plate 07 is provided with a first upper stripping plate 08, the first upper stripping plate 08 is provided with a first through hole 080 corresponding to the floating material pin 020, and the floating material pin 020 is inserted into the first through hole 080 in the stamping process; a second through hole 081 corresponding to the first punch 032 is formed in the first upper stripping plate 08, the second punch 060, the third punch and the fourth punch 071 penetrate out of the first upper stripping plate 08, and the first inner guide post 062 penetrates out of the first upper stripping plate 08;

the third station comprises two symmetrical third lower cushion plates 20 arranged on the upper surface of the lower die base 01, the upper surfaces of the two third lower cushion plates 20 are respectively provided with a third lower template 26, the two third lower templates 26 are also symmetrically arranged, and a support frame is arranged between the two third lower cushion plates 20; the third lower cushion plate 20 and the third lower template 26 are used for heightening the bracket, and can realize bending; a third inner guide sleeve 260 is arranged on the third lower template 26;

the support frame is formed by assembling a first support 21, a second support 22, four third supports 23 and a fourth support 24; the first bracket 21 comprises a first plate body 210, the first plate body 210 is fixedly connected with a lower die holder 01, the first plate body 210 is connected with the lower die holder 01 through bolts, three first alternate columns 212 are arranged on the upper surface of the first plate body 210, and a first mounting hole 211 is formed between two adjacent first columns 212 on the first plate body 210; some of the three first upright posts 212 only play a role in supporting, and some of the three first upright posts play a role in supporting during bending; the head of the first upright 212 is used for bending the shape required by the bracket;

the second bracket 22 comprises a first mounting block 220 with a cuboid bottom, a second upright column 221 is formed by protruding the middle of the top surface of the first mounting block 220, the second bracket 22 is fixed in a first mounting hole 211, and the first mounting block 220 is arranged in the first mounting hole 211 and connected with the lower die holder 01 through a bolt; the second bracket 22 is detachable and convenient to replace;

the third bracket 23 comprises a second mounting block 230 with a cuboid bottom, a third upright post 231 protrudes from the middle of the top surface of the second mounting block 230, and one third bracket 23 is fixed in the other first mounting hole 211; the second mounting block is arranged in the first mounting hole 211 and connected with the lower die holder 01 through a bolt; the third bracket 23 is detachable and convenient to replace;

the fourth bracket 24 comprises a second plate 240, the second plate 240 is fixedly connected with the lower die holder 01, and the second plate 240 is connected with the lower die holder 01 through a bolt; the fourth bracket 24 is convenient to disassemble and assemble; the two ends of the upper surface of the second plate body 240 are provided with fourth upright columns 241, the top surface of one of the fourth upright columns 241 inclines to form a blanking inclined surface 242, the blanking inclined surface 242 is convenient for separating and blanking after the supports are cut off, two opposite blanking columns 243 are arranged between the two fourth upright columns 241 on the second plate body 240, a blanking through hole 244 is arranged between the two blanking columns 243, two adjacent supports are cut off and separated at the position of the blanking through hole 244, a second mounting hole 245 is arranged between the blanking columns 243 and the fourth upright columns 241 on the second plate body 240, two third supports 23 are fixed in the second mounting hole 245, and the second mounting hole 245 of each third support 23 is arranged in the second mounting hole 245 and connected with the lower die holder 01 through a bolt; a third bracket 23 is fixed between the first bracket 21 and the fourth bracket 24, and the third bracket 23 arranged between the first bracket 21 and the fourth bracket 24 plays a role in connection and extension;

the upper surface of the first mounting block 220 protrudes out of the upper surface of the first board body 210, and the heights between the first board body 210, the second mounting block 230 and the second board body 240 are equal; the widths of two side walls of second upright column 221 protrude the widths of two side walls of first upright column 212, and the outer contour of first upright column 212, the outer contour of third upright column 231 and the outer contour of fourth upright column 241 are the same; the second bracket 22 is positioned at the front end of the support frame, and is used for performing a primary bending function, and bending the bracket to a certain extent but not completely, because the bracket is bent to form a large deformation at two ends, if the bracket is bent completely at one time, the bracket can rebound seriously, and the bending forming is not facilitated;

two groups of material blocking assemblies are arranged on the supporting frame at intervals, each material blocking assembly comprises two 7-shaped material blocking plates 25, the two material blocking plates 25 are symmetrically arranged oppositely, and the side surfaces of the heads of the material blocking plates 25 are sunken to form bending surfaces 250; the striker plate 25 plays a role in shielding and shaping the bent bracket; a third bracket 23 is arranged between the two material blocking assemblies, and the third bracket 23 plays a role in supporting the bracket;

a third rectangular spring 0427 is embedded in the upper die holder 04, and a third ejector rod 0428 is pressed at the bottom of the third rectangular spring 0427; the top of the third rectangular spring 0427 is embedded into the upper die holder 04, and the third ejector rod 0428 is pressed on the third rectangular spring 0427 in a cylindrical shape;

the third station comprises a third upper backing plate 27 arranged on the lower surface of the upper die holder 04, the third upper backing plate 27 is connected with the lower die holder 01 through a bolt, a third rectangular spring 0427 is fixed in the third upper backing plate 27, and a third ejector rod 0428 penetrates through the third upper backing plate 27; a third upper clamp 28 is arranged on the lower surface of the third upper backing plate 27, the third upper clamp 28 is connected with the third upper backing plate 27 through a bolt, a third ejector rod 0428 passes through the third upper clamp 28, and a third inner guide post 280 corresponding to the third inner guide sleeve 260 is fixed on the third upper clamp 28; the third inner guide post 280 is inserted into the third inner guide sleeve 260 to achieve a guiding function;

the lower surface of the third upper clamp plate 28 is provided with a third stop plate 29, the third top bar 0428 is pressed against the third stop plate 29, the third inner guide post 280 penetrates through the third stop plate 29, and the third stop plate 29 can move on the third inner guide post 280 to compress a third rectangular spring 0427 through the third top bar 0428;

two first bending blocks 290, four second bending blocks 294 and a fifth punch 296 are fixed to the third stopper plate 29; the two first bending blocks 290 are symmetrically arranged, the two first bending blocks 290 are matched with the second support 22 to realize primary bending of the support, the side surfaces of the first bending blocks 290 are sunken to form arc-shaped cutting surfaces 291, the top surface edge of the first bending blocks 290 is inclined to form a Z-shaped first bending surface 292, the top surface of the first bending blocks 290 is sunken to form a position avoiding groove 293, and the first bending surface 292 is used for jacking the support; the four second bending blocks 294 are arranged on one side of the first bending block 290, the four second bending blocks 294 are arranged in an array, two of the four second bending blocks 294 are symmetrically arranged in a group, the top edge of the second bending block 294 is inclined to form an S-shaped second bending surface 295250, and the second bending surface 295250 is used for pressing against the support; the fifth punch 296 is used for inserting into the blanking through hole 244 to separate two adjacent brackets;

a third upper stripping plate 30 is arranged on the lower surface of the third stop plate 29, a fourth through hole 300 for inserting the head of the striker plate 25 is formed in the third upper stripping plate 30, the fourth through hole 300 and the second bending block 294 are alternately arranged, and the third inner guide post 280 penetrates out of the third upper stripping plate 30;

the use process comprises the following steps:

blanking: an automatic feeding machine is arranged on one side of the lower die holder 01, the automatic feeding machine is in the prior art and is not described herein any more, and a coiled material or a plate passes through the automatic feeding machine and is placed on the floating pin 020; the upper die base 04 descends, the first inner guide pillar 062 is firstly inserted into the first inner guide sleeve 034, the second punch 060 punches a hole firstly to punch a round hole, the upper die base 04 continues descending, the first rectangular spring 040 is compressed, the punching is completed, the upper die base 04 ascends, the first rectangular spring 040 resets, the second punch 060 is pushed against, and the plate is separated; the designed step distance for the plate to move forward is achieved, the upper die base 04 moves downward, the second punch 060 and the third punch 070 punch the plate again, blanking is achieved, the designed step distance for the plate to move forward is achieved, the second punch 060, the third punch 070, the fourth punch 071 and the first punch 032 on the lower die base 01 continue to punch the plate, and the shape of the support is punched on the plate; after blanking is finished, the plate moves forward by a designed step distance, and the support is shaped in a third lower template insert;

bending and cutting: the punched bracket is conveyed to a second bracket 22 and is firstly subjected to preliminary bending, an upper die base 04 descends, two first bending blocks 290 bend two sides of the bracket, the width of a second upright post 221 of the second bracket 22 is large, so that excessive bending cannot occur, the upper die base 04 continues descending, a third stop plate 29 ascends, a third rectangular spring 0427 is compressed, the bending is completed, the upper die base 04 ascends, the third rectangular spring 0427 resets, and the first bending blocks 290 eject out the bracket for blanking; the bracket moves forward by a designed step distance, the upper die base 04 descends, and the second bending blocks 294 at the two front ends bend the bracket for the second time, so that the bending reaches the design standard; after bending and forming, the bracket moves forwards by the designed step pitch, the first shaping is carried out between the two opposite striker plates 25 which move forwards to the front end, after shaping is completed, the bracket moves forwards by the designed step pitch again, and the second bending blocks 294 at the two rear ends carry out third bending and shaping on the bracket, so that the first two bending effects are ensured, and the shaping and non-rebound effects can be achieved; the supports move forward by a designed step distance, the two opposite striker plates 25 which move forward to the rear end are shaped for the second time, after shaping is completed, the two adjacent supports move forward to the material cutting through hole 244, the fifth punch 296 of the upper die base 04 cuts off the material cutting through hole, the single support directly slides down from the material cutting inclined plane 242 and falls, and the supports are separated;

further, three first guide sleeves 013 are arranged on the first lower backing plate 02, and the three first guide sleeves 013 are connected with the two first circular blanking holes 010 in a straight line; four first guide pins 082 are arranged on the first upper stripper plate 08, and the four guide pins are in line with the connecting line of the second punch 060; the first guide pin 082 is used for inserting into the first guide sleeve 013; the first guide pin 082 plays a role in positioning the round hole on the bracket, and the bracket is prevented from deviating in the moving process.

Further, a first fixing block 063 is fixed in the upper clamping plate, the first fixing block 063 is fixed with the first upper backing plate 05 through bolts, and a first counter bore 0630 and a second counter bore 0631 are formed in the top surface of the first fixing block 063; the head surface of the second punch 060 protrudes to form a first boss 061 and the head surface of the third punch 070 protrudes to form a second boss; the first boss 061 is sleeved in the first counter bore 0630 to be fixed, and the second boss is sleeved in the second counter bore 0631 to be fixed; a second fixing block is fixed in the upper clamping plate, the second fixing block is fixed with the first upper backing plate 05 through bolts, a third counter bore is formed in the top surface of the second fixing block, a third boss is formed on the surface of the head of the fourth punch 071, and the third boss is sleeved in the third counter bore to form a fixing hole; the second punch 060 and the third punch 070 are sleeved in from the back side of the first fixing block 063, the first fixing block 063 is placed into the first clamping plate to be connected with the first upper backing plate 05 through bolts, and the second punch 060 and the third punch 070 are clamped and fixed by the first upper backing plate 05; the fourth punch 071 is clamped and fixed by the second fixed block and the first upper backing plate 05 from the second fixed block;

further, the lower surface of the lower die holder 01 is provided with a lower foot pad 09; the lower foot pad 09 is used for enabling the lower die holder 01 to be too high, is suitable for requirements of different heights, and has higher practicability;

further, a third fixing block 281 is fixed in the third upper clamping plate 28, a fourth counter bore 282 is formed in the top surface of the third fixing block 281, a fourth boss 297 is formed on the surface of the head of the fifth punch 296, and the fourth boss 297 is sleeved in the fourth counter bore 282 to be fixed; the fifth punch 296 is sleeved on the third fixing block 281, the third fixing block 281 is connected with the third upper cushion plate 27 through a bolt, and the fifth punch 296 is clamped and kept fixed by the third upper cushion plate 27 and the third fixing block 281;

further, the lower surface of the upper die base 04 is recessed to form a first recess 0120 for placing the first mounting block 220 and a second recess 0121 for placing the second mounting block 230; facilitating the fixing of the first mounting block 220 and the second mounting block 230;

further, the side wall of the lower die holder is provided with a discharging inclined plane 0122 which is parallel to the blanking inclined plane 242; the support after can conveniently separating has the directional drop, can not drop wantonly.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that one skilled in the art conventionally understands, and are only for convenience of describing the present invention and simplifying the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a device for support cuts and bends, includes die holder and upper die base, its characterized in that:

the device also comprises a first station and a third station;

two first circular blanking holes, two first strip-shaped blanking holes and two first bracket blanking holes are formed in the lower die base; the two first strip-shaped blanking holes are symmetrically arranged in a front-back adjacent mode, the two first circular blanking holes are arranged on two sides between the two first strip-shaped blanking holes, the first support blanking holes are located on one side of the first strip-shaped blanking holes, the shape of the first support blanking holes is matched with the outer contour of a support, and the two first support blanking holes are symmetrically arranged in a front-back adjacent mode; the first station comprises a first lower base plate arranged on the upper surface of a lower die base, six floating pins are arranged on the first lower base plate, springs are sleeved at the bottoms of the floating pins and are pressed on the lower die base, the six floating pins are arranged oppositely in a row of three, two second circular blanking holes, two second strip-shaped blanking holes and two second support blanking holes are formed in the lower base plate, and the second circular blanking holes and the second strip-shaped blanking holes are formed among the six floating pins; the upper surface of the first lower backing plate is provided with a first lower template, and the heads of the six floating pins penetrate out of the first lower template; a first lower template insert, two second lower template inserts and a third lower template insert are fixed in the first lower template; the first lower template insert is provided with two third circular blanking holes and two third strip-shaped blanking holes, the two second lower template inserts are respectively provided with third support blanking holes, a first punch is embedded in the third support blanking holes, the first punch protrudes out of the second lower template insert, the upper surface of the third lower template insert is sunken to form a support pit matched with the outer contour of the support, and the third lower template insert is positioned on one side of the second lower template insert; the first circular blanking hole, the second circular blanking hole and the third circular blanking hole are communicated, the first strip-shaped blanking hole, the second strip-shaped blanking hole and the first strip-shaped blanking hole are communicated, and the first support blanking hole, the second support blanking hole and the third support blanking hole are communicated; two edges of the first lower template are provided with first inner guide sleeves;

the third station comprises two symmetrical third lower cushion plates arranged on the upper surface of the lower die base, a support frame is arranged between the two third lower cushion plates, the upper surfaces of the two third lower cushion plates are respectively provided with a third lower die plate, and the two third lower die plates are also symmetrically arranged; a third inner guide sleeve is arranged on the third lower template;

the support frame is formed by assembling a first support, a second support, four third supports and a fourth support; the first support comprises a first plate body, the first plate body is fixedly connected with the lower die base, three first stand columns which are arranged at intervals are arranged on the upper surface of the first plate body, and a first mounting hole is formed between two adjacent first stand columns on the first plate body; the second support comprises a first mounting block with a cuboid bottom, a second upright post protrudes from the middle of the top surface of the first mounting block, and a second support is fixed in the first mounting hole; the third support comprises a second mounting block with a cuboid bottom, a third upright post protrudes from the middle of the top surface of the second mounting block, and one third support is fixed in the other first mounting hole; the fourth support comprises a second plate body, the second plate body is fixedly connected with the lower die holder, the two ends of the upper surface of the second plate body are provided with fourth stand columns, the top surface of one of the fourth stand columns inclines to form a blanking inclined plane, two opposite blanking columns are arranged between the two fourth stand columns on the second plate body, a blanking through hole is formed between the two blanking columns, a second mounting hole is formed between the blanking column and the fourth stand column on the second plate body, and the two third supports are fixed in the second mounting hole; a third bracket is fixed between the first bracket and the fourth bracket;

the upper surface of the first mounting block protrudes out of the upper surface of the first plate body, and the first plate body, the second mounting block and the second plate body are equal in height; the width of two side walls of the second upright post protrudes the width of two side walls of the first upright post, and the outer contour of the first upright post, the outer contour of the third upright post and the outer contour of the fourth upright post are the same;

two groups of material blocking assemblies are arranged on the support frame at intervals, each material blocking assembly comprises two 7-shaped material blocking plates, the two material blocking plates are symmetrically arranged oppositely, and the side surfaces of the heads of the material blocking plates are sunken to form bending surfaces; a third support is arranged between the two groups of material blocking assemblies;

2. The device for stent cutting and bending of claim 1, wherein: the first lower base plate is provided with three first guide sleeves, and the three first guide sleeves are in line connection with the two first circular blanking holes; four first guide pins are arranged on the first upper stripping plate, and connecting lines of the four guide pins and the second punch are in a straight line; the first guide pin is for insertion into the first guide sleeve.

3. The device for stent cutting and bending of claim 1, wherein: a first fixing block is fixed in the first upper clamping plate, and a first counter bore and a second counter bore are formed in the top surface of the first fixing block; the surface of the head of the second punch protrudes to form a first boss, and the surface of the head of the third punch protrudes to form a second boss; the first boss is sleeved in the first counter bore to form a fixing, and the second boss is sleeved in the second counter bore to form a fixing; a second fixing block is fixed in the first upper clamping plate, a third counter bore is formed in the top face of the second fixing block, a third boss is formed on the surface of the head of the fourth punch, and the third boss is sleeved in the third counter bore to form fixing.

4. The device for stent cutting and bending of claim 1, wherein: the first lower template insert is fixed with the first lower backing plate through a bolt, the second lower template insert is fixed with the first lower backing plate through a bolt, the third lower template insert is fixed with the first lower backing plate through a bolt, and the lower surface of the lower die base is provided with a lower backing plate foot.

5. The device for stent cutting and bending of claim 1, wherein: a third fixing block is fixed in the third upper clamping plate, a fourth counter bore is formed in the top surface of the third fixing block, a fourth boss is formed on the surface of the head of the fifth punch, and the fourth boss is sleeved in the fourth counter bore to be fixed.

6. The device for stent cutting and bending of claim 1, wherein: the lower surface of the upper die holder is recessed to form a first pit for placing the first mounting block and a second pit for placing the second mounting block.

7. The device for stent cutting and bending of claim 1, wherein: the side wall of the die holder is provided with a discharging inclined plane which is parallel to the blanking inclined plane.

8. The device for stent cutting and bending of claim 1, wherein: the first plate body of the first support is connected with the lower die holder through a bolt, the first mounting block of the second support is connected with the lower die holder through a bolt, the second mounting block of the third support is connected with the lower die holder through a bolt, and the second plate body of the second support is connected with the lower die holder through a bolt.

9. The device for stent cutting and bending of claim 1, wherein: the first bending block is connected with the third upper clamping plate through a bolt, and the second bending block is connected with the third upper clamping plate through a bolt.