CN207806354U - A kind of U-shaped piece multiple row rushes progressive die in advance - Google Patents

A kind of U-shaped piece multiple row rushes progressive die in advance Download PDF

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Publication number
CN207806354U
CN207806354U CN201820142286.0U CN201820142286U CN207806354U CN 207806354 U CN207806354 U CN 207806354U CN 201820142286 U CN201820142286 U CN 201820142286U CN 207806354 U CN207806354 U CN 207806354U
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China
Prior art keywords
punch
blanking
fixed
die
pin
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CN201820142286.0U
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王洪波
蒋宁
邓晓根
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NINGBO ZHENYU TECHNOLOGY Co Ltd
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NINGBO ZHENYU TECHNOLOGY Co Ltd
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Abstract

A kind of U-shaped piece multiple row disclosed in the utility model rushes progressive die in advance, and bar material clamps between stripper and die block;Using press machine so that upper die holder move down respectively on a bar material from left to right successively and step-feeding is punched out two row correcting holes, the positive U-shaped pieces of two row lead to the positive U-shaped piece of the row of film perforations one, two and lead to the pre- punch extermal form of the positive U-shaped piece of the row of film perforation two, two, the positive U-shaped piece blankings of two row, the two reversed U-shaped pieces of row and lead to film perforations one, two and arrange reversed U-shaped piece and lead to film perforation two, two and arrange the pre- punch extermal form of reversed U-shaped piece and the two reversed U-shaped piece blankings of row;Rushing punch-pin pours bar material in advance, and there are 0.1mm to be connected with bar material for U-shaped piece preformed product;Using the pre- kicker for rushing cavity plate has been higher by after punching press to bottom offset, material strip ejection is rushed cavity plate by kicker in advance under the action of butterfly spring is in impaction state.Its mold improves the production efficiency of product, and in addition bar material reduces the blanking pressure of blanking station after pre- punch extermal form station, to ensure that the stability of blanking die.

Description

A kind of U-shaped piece multiple row rushes progressive die in advance
Technical field
The utility model is related to a kind of progressive die, especially a kind of U-shaped piece multiple row rushes progressive die in advance.
Background technology
When current this U-shaped piece iron core produces in progressive die, too due to blanking die cantilever beam 55 (as shown in Fig. 1) Long, cavity plate is usually easily broken off herein, influences mold batch production, and present stock layout generally uses biserial to manufacture, but Be progressive die in the prior art it is difficult to improve production efficiency, and yield rate is relatively low.
Utility model content
A kind of raising production efficiency that is designed purpose of the utility model is to solve the deficiency of above-mentioned technology and at A kind of U-shaped piece multiple row of product rate rushes progressive die in advance.
A kind of U-shaped piece multiple row designed by the utility model rushes progressive die in advance, includes from top to bottom upper die holder, discharging successively Panel seat, stripper, die block, lower die holder and lower die seat board are equipped with convex from left to right between upper die holder and discharging panel seat Mould fixed plate one, pre- blanking punch fixed plate one, blanking punch fixed plate one, punch retainer two, pre- blanking punch fixed plate Two and blanking punch fixed plate two;In the endoporus of pre- blanking punch fixed plate one and the endoporus of pre- blanking punch fixed plate two in Button point punch retainer is installed;Correcting nail punch-pin and logical piece punch-pin one, punch retainer two are fixed on punch retainer one On be fixed with logical piece punch-pin two, a button point punch-pin, blanking punch fixed plate one and blanking punch are fixed on button point punch retainer It is fixed with blanking punch in fixed plate two, pre- punching is respectively and fixedly provided in pre- blanking punch fixed plate one and pre- blanking punch fixed plate two Punch-pin is cut out, button point punch-pin, blanking punch, pre- blanking punch, correcting nail punch-pin, logical piece punch-pin one and logical piece punch-pin two sequentially pass through Discharging panel seat and stripper, blanking punch be built into button point a compression bar, button point compression bar bottom end after molding with die block It contradicts;Button point punch-pin resetting-mechanism is installed at the top of button point punch retainer;Limited position mechanism is installed on upper die holder, and is limited The bottom of mechanism and the top surface of discharging panel seat contradict, position-limit mechanism be located at blanking punch fixed plate one and punch retainer two it Between;It is equipped on die block and correcting nail punch position corresponding correcting nail cavity plate, corresponding with logical one position of piece punch-pin Logical piece cavity plate one logical piece cavity plate two corresponding with logical two position of piece punch-pin, button point cavity plate corresponding with button point punch position and in advance The corresponding pre- punching and blanking die in blanking punch position and blanking die corresponding with blanking punch position are equipped at pre- punching and blanking die Pre- punching resetting-mechanism;Inserted with lower push rod in the endoporus of button point cavity plate, lower die holder is interior equipped with corresponding with some endoporus of cavity plate are buckled Placement channel one, placement is equipped with spring one and extension bar one in channel one, disposes the bottom in channel one to be closed by fixed plug, connect Bar one is fixed with fixed plug, and the both ends of spring one are contradicted with extension bar one and lower push rod bottom respectively;Logical piece punch-pin one and logical piece are convex The top of mould two is respectively and fixedly provided with logical piece pumping board, and pumping board cover board is equipped on logical piece pumping board.
The advantageous effect of above-mentioned progressive die:Its structure to increase pre- punch extermal form station newly in the previous station of blanking station, greatly Reduce blanking pressure when blanking greatly, while producing the production arrangement on bar material for four row in production process in product, from And improve the production efficiency of product.In addition bar material product after pre- punch extermal form station only has 0.1mm to be connected with bar material, The blanking pressure for reducing blanking station, to ensure that the stability of blanking die.
Further preferably, button point punch-pin resetting-mechanism includes that button point cover board and floating backboard, upper die holder are equipped with two through hole, Upper die holder bottom surface is equipped with the mounting groove being connected to two through hole, and floating backboard is located in mounting groove, and bolt, pad are equipped in two through hole Circle one and butterfly spring one, butterfly spring one are positioned at by bolt and washer one on floating backboard, and button point cover board, which fits in, to be buckled The top surface of point punch retainer is set in the endoporus of pre- blanking punch fixed plate one and in the endoporus of pre- blanking punch fixed plate two Enter button point cover board, pre- blanking punch fixed plate one and pre- blanking punch fixed plate two fix floating backboard, discharging by stud Panel seat has been built into adjustable plate, and adjustable plate is located at the lower section of button point punch retainer, and button point punch retainer can be with adjustable plate Top surface contradicts, and the bottom end of button point punch-pin, which sequentially passes through, to be inserted into after adjustable plate, discharging panel seat bottom surface, stripper in button point cavity plate.Its Structure promotes button point punch-pin and button point cavity plate cooperation to be punched out button on bar material under the action of button point punch retainer moves down Point, and when punching machine bottom dead centre is unstable, this punch retainer contacts meeting automatic rollback after adjusting block, reaches button point punch-pin punching The depth for entering material strip remains constant, to improve performance.
Further preferably, punching resetting-mechanism includes butterfly spring two, washer two, washer three, washer four, bolt and company in advance Block is connect, the top and bottom of lower die holder are respectively inserted with kicker and tray, and link block is placed in lower die holder, and link block is fixed It being set between tray and kicker, on tray there are two counterbore one, the large diameter hole of two counterbores one is interior to install butterfly spring two, And butterfly spring two is fixed on by bolt, washer two, washer three and washer four on link block, the top of link block has limit Ladder limits after being contacted for link block.After its structure makes kicker move down under the action of pre- blanking punch pushes, butterfly bullet Spring two is compressed, and after pre- blanking punch goes out shape in advance on bar material at this time, and also there are 0.1mm with bar material for product design It is connected, pre- blanking punch shifts up, and to which kicker automatically resets under the action of butterfly spring two, and link block is by limiting Ladder limits so that kicker restores to original position.
Further preferably, it is respectively equipped with mutual corresponding hole on upper die holder, discharging panel seat and stripper, and mutual corresponding Hole constitutes installation passage, is followed closely inserted with correcting in installation passage, and correcting, which nails on, is cased with that correcting nail is bushing, and correcting nail is bushing is embedded in In discharging panel seat, correcting nail runs through stripper.Its structure is in step-feeding when being punched out complete product successively on bar material to item The carry out position correcting of shape material, prevents bar material from shifting.
Further preferably, it is fixed in the endoporus for being inserted into upper die holder at the top of button point compression bar, is placed in the endoporus of upper die holder Have compression bar extension bar, be embedded with cover board at the top of upper die holder, and the top of compression bar extension bar is contradicted with cover board, the bottom of compression bar extension bar with Button point compression bar contradicts.The button point compression bar of its structure is previously inserted in button point in the blanking operation of blanking punch and carries out to being washed into advance The shape of type is positioned, and blanking punch carries out blanking work after the completion of positioning.
Further preferably, position-limit mechanism include discharging spring, suppress pin and can with discharging panel seat top surface contradict positive stop strip, There is a counterbore two, the columnar part for suppressing pin are placed on upper die holder in the small diameter bore of counterbore two, suppress the upper limit of pin In in the large diameter hole of counterbore two, discharging spring is placed in the large diameter hole of counterbore two, fixed at the top of the large diameter hole of counterbore two There is holding screw, and the both ends of discharging spring contact at holding screw and suppress the top of pin respectively, positive stop strip, which is fixed on, to be suppressed The top of the columnar part bottom end of pin, positive stop strip can be contradicted with the bottom surface of upper die holder, to realize limit.Its is compact-sized reliable, The position that upper die holder moves down is limited, and makes upper die holder move up reset automatically by discharging spring, improves usability Energy.To improve working efficiency.
Further preferably, lower die holder is built into the locking being locked at after the product blanking by punching shaping in blanking channel Mechanism, retaining mechanism include locking insert, latch segment pedestal and latch segment backing plate, lock insert and latch segment pedestal correspondence is located at The bottom surface of blanking die, latch segment backing plate are fixed on the bottom surface of latch segment pedestal by screw.The retaining mechanism of its structure has The function that the U-shaped flake products being punched out are carried out with locking reason piece reduces artificial reason piece so that U-shaped piece is to stack output The process of stacking, to reduce cost of labor, and the U-shaped piece of heap poststack is neatly reliable, improves the quality of product.
Further preferably, the side of the side of correcting nail cavity plate, the side of logical piece cavity plate one and logical piece cavity plate two, blanking die Side is equipped with the buoyant nail that can be floated up and down, and the buoyant nail bottom of correcting nail cavity plate side, which contradicts, spring two, and spring two is set In in die block;Lower die holder is equipped with the buoyant for following closely, leading to two side of piece cavity plate with the buoyant of logical one side of piece cavity plate respectively Placement channel two corresponding with the buoyant of blanking die side nail position, placement channel three and placement channel four are followed closely, channel is disposed Two, it disposes channel three and disposes the bottom in channel four by filling in fixed plug rear enclosed, dispose in channel two and placement channel three Merging has washer five, spring three and extension bar two, leads to the buoyant nail of one side of piece cavity plate and the buoyant nail of logical two side of piece cavity plate Retaining washer five, extension bar two are fixed with fixed plug, and the both ends of spring three are contradicted with washer five and extension bar two respectively;Dispose channel four Inner sleeve, washer six, spring four and extension bar three, washer six are followed closely by the buoyant of casing and blanking die side and are fixed, extension bar three It is fixed with fixed plug, the both ends of spring four are contradicted with washer six and extension bar three respectively.The buoyant of its structure is followed closely so that in bar material On go out the hole for wanting to be punched out and U-shaped piece after, bar material is jacked up, consequently facilitating bar material continue to next station walk.
Further preferably, the top left side of die block is fixed with flipper guide, and the top surface of flipper guide is fixed with " L " shape Safety screen.Its structure has carries out guiding role to bar material, promotes the performance of mold.
A kind of U-shaped piece multiple row rushes the punching process of progressive die in advance, and progressive die is rushed in advance using a kind of above-mentioned U-shaped piece multiple row, Specifically include following blanking step:
A, bar material clamps between stripper and die block, and enters punching and prepare;
B, using press machine make upper die holder move down respectively on a bar material from left to right successively and step-feeding is punched out Two row correcting holes, the positive U-shaped pieces of two row lead to the positive U-shaped piece of the row of film perforations one, two lead to the pre- punch extermal form of the positive U-shaped piece of the row of film perforation two, two, It is pre- that two arrange forward direction U-shaped piece blankings, the two reversed U-shaped pieces of row lead to the reversed U-shaped piece of the logical row of film perforation two, two of the reversed U-shaped piece of the row of film perforations one, two Punch extermal form and the two reversed U-shaped piece blankings of row;
The specific steps that the pre- punch extermal form of the positive U-shaped piece of two row and the two reversed pre- punch extermal forms of U-shaped piece of row are punched in advance:
1) rushing punch-pin pours bar material in advance, and there are 0.1mm to be connected with bar material for U-shaped piece preformed product, and punches in advance At;
2) using the pre- kicker for rushing cavity plate has been higher by after punching press to bottom offset, butterfly spring, which is in, at this time compresses shape State is moved upwards when rushing punch-pin in advance, and kicker will move upwards under the action of butterfly spring, and material strip ejection is rushed cavity plate in advance, To which product will be molded in next station.
The advantageous effect of above-mentioned technique:So that increasing pre- punch extermal form station newly in the previous station of blanking station, greatly reduce Blanking pressure when blanking, while producing the production arrangement on bar material for four row in production process in product, to improve The production efficiency of product.In addition bar material product after pre- punch extermal form station only has 0.1mm to be connected with bar material, reduces and falls The blanking pressure for expecting station, to ensure that the stability of blanking die.
Description of the drawings
Fig. 1 is the structural schematic diagram of the conventional blanking die of embodiment 1;
Fig. 2 is the overall structure diagram of embodiment 1;
Fig. 3 is the structural schematic diagram of the unitary mould station distribution of embodiment 1;
Fig. 4 is the blanking die structural schematic diagram with the forming of four row U-shaped pieces of embodiment 1;
Fig. 5 is the structural schematic diagram of the pre- punching resetting-mechanism of embodiment 1.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to In the range of the utility model protection.
Embodiment 1:
As Figure 2-Figure 5, a kind of U-shaped piece multiple row described in the present embodiment rushes progressive die in advance, from top to bottom wraps successively Include upper die holder 1, discharging panel seat 2, stripper 3, die block 4, lower die holder 5 and lower die seat board 56, upper die holder 1 and stripper It is solid that punch retainer 1, pre- blanking punch fixed plate 1, blanking punch fixed plate 1, punch-pin are equipped between seat 2 from left to right Fixed board 29, pre- blanking punch fixed plate 2 10 and blanking punch fixed plate 2 11;In the endoporus of pre- blanking punch fixed plate 1 Point punch retainer 15 is detained with being mounted in the endoporus of pre- blanking punch fixed plate 2 10;It is fixed on punch retainer 1 Punch-pin 11 and logical piece punch-pin 1 are followed closely in correcting, and logical piece punch-pin 2 27, button point punch retainer 15 are fixed on punch retainer 29 On be fixed with a button point punch-pin 18, be fixed with blanking punch 17 in blanking punch fixed plate 1 and blanking punch fixed plate 2 11, Pre- blanking punch 23 is respectively and fixedly provided in pre- blanking punch fixed plate 1 and pre- blanking punch fixed plate 2 10, button point punch-pin 18 is fallen Material punch-pin 17, pre- blanking punch 23, correcting nail punch-pin 11, logical piece punch-pin 1 and logical piece punch-pin 2 27 sequentially pass through stripper Seat 2 and stripper 3, blanking punch 17 have been built into button point compression bar 16, and the bottom end of button point compression bar 16 is fixed after molding with cavity plate Plate 4 contradicts;The top of button point punch retainer 15 is equipped with button point punch-pin resetting-mechanism 13;Position restrainer is installed on upper die holder 1 Structure, and the bottom of position-limit mechanism and the top surface of discharging panel seat 2 contradict, position-limit mechanism is located at blanking punch fixed plate 1 and punch-pin Between fixed plate 29;It is equipped on die block 4 and the corresponding correcting in correcting nail 11 position of punch-pin nail cavity plate, convex with logical piece The corresponding logical piece cavity plate one in one 12 position of mould, logical piece cavity plate two corresponding with logical 2 27 position of piece punch-pin and a button point punch-pin 18 Set corresponding button point cavity plate 30, pre- punching and blanking die 35 corresponding with 23 position of pre- blanking punch and with 17 position pair of blanking punch The blanking die 36 answered is equipped with pre- punching resetting-mechanism 34 at pre- punching and blanking die 35;Button point cavity plate 30 endoporus in inserted with Lower push rod 33, lower die holder 5 is interior to be equipped with placement channel one corresponding with the endoporus for buckleing some cavity plates 30, and placement is equipped with spring in channel one One 32 and extension bar 1, dispose the bottom in channel one to be closed by fixed plug, extension bar 1 is fixed with fixed plug, spring 1 Both ends are contradicted with extension bar 1 and 33 bottom of lower push rod respectively;The top of logical piece punch-pin 1 and logical piece punch-pin 2 27 is fixed There is logical piece pumping board 51, pumping board cover board 52 is installed on logical piece pumping board 51.
In the present embodiment, button point punch-pin resetting-mechanism 13 includes button point cover board 134 and floating backboard 131, is set on upper die holder 1 There are two through hole 135,1 bottom surface of upper die holder to be equipped with the mounting groove 136 being connected to two through hole 135, floating backboard 131 is located at mounting groove In 136, be equipped with bolt, washer 1 and butterfly spring 1 in two through hole 135, butterfly spring 1 by bolt and Washer 1 is positioned on floating backboard 131, and button point cover board 134 fits in the top surface for buckleing some 18 fixed plates of punch-pin, is punched in advance convex Point cover board 134, pre- blanking punch are detained in merging in the endoporus of mould fixed plate 1 and in the endoporus of pre- blanking punch fixed plate 2 10 Fixed plate 1 and pre- blanking punch fixed plate 2 10 fix floating backboard 131 by stud, and discharging panel seat 2 has been built into tune Plate 135 is saved, and adjustable plate 135 is located at the lower section of button point punch retainer 15, button point punch retainer 15 can be with adjustable plate 135 Top surface contradicts, and the bottom end of button point punch-pin 18 sequentially passes through that button point is inserted into after adjustable plate 135,2 bottom surface of discharging panel seat, stripper 3 is recessed In mould 30.
In the present embodiment, the pre- resetting-mechanism 34 that is punched includes butterfly spring 2 341, washer 2 344, washer 3 343, washer 4 342, bolt and link block 345, the top and bottom of lower die holder 5 are respectively inserted with kicker 346 and tray 347, link block 345 are placed in lower die holder 5, and link block 345 is fixed between tray 347 and kicker 346, set that there are two heavy on tray 347 Kong Yi, the large diameter hole of two counterbores one is interior to install butterfly spring 2 341, and butterfly spring 2 341 passes through bolt, washer two 344, washer 3 343 and washer 4 342 are fixed on link block 345, and the top of link block 345 has limit ladder, for connection Block 345 limits after contacting.
In the present embodiment, mutual corresponding hole is respectively equipped on upper die holder 1, discharging panel seat 2 and stripper 3, and mutually right The hole answered constitutes installation passage, and installation passage is interior inserted with correcting nail 22, and correcting follows closely and is cased with correcting nail bushing 21 on 22, correcting nail Bushing 21 are embedded in discharging panel seat 2, and correcting nail 22 runs through stripper 3.
In the present embodiment, the top of button point compression bar 16 is fixed in the endoporus for being inserted into upper die holder 1, in the endoporus of upper die holder 1 Merging has compression bar extension bar 19, and the top of upper die holder 1 is embedded with cover board 57, and the top of compression bar extension bar 19 is contradicted with cover board 57, pressure The bottom of bar extension bar 19 is contradicted with button point compression bar 16.
The limit that in the present embodiment, position-limit mechanism includes discharging spring 24, suppresses pin 25 and can be contradicted with 2 top surface of discharging panel seat Position item 26, there is on upper die holder 1 counterbore two, the columnar part for suppressing pin 25 to be placed in the small diameter bore of counterbore two, suppress pin In in the large diameter hole of counterbore two, discharging spring 24 is placed in the large diameter hole of counterbore two 25 upper limit, counterbore two it is big Holding screw is fixed at the top of diametric hole, and the both ends of discharging spring 24 contact at holding screw and suppress the top of pin 24 respectively Portion, positive stop strip 26 are fixed on the columnar part bottom end for suppressing pin 25, and the top of positive stop strip 26 can be contradicted with the bottom surface of upper die holder 1, To realize limit.
In the present embodiment, lower die holder 5 is built into the lock being locked at after the product blanking by punching shaping in blanking channel Tight mechanism, retaining mechanism include locking insert 34, latch segment pedestal 39 and latch segment backing plate 38, lock insert 34 and latch segment base Seat 39 is corresponded to positioned at the bottom surface of blanking die 36, and latch segment backing plate 38 is fixed on the bottom surface of latch segment pedestal 39 by screw.
In the present embodiment, side, the blanking die 36 of the side of cavity plate 11, logical piece cavity plate one and logical piece cavity plate two are followed closely in correcting Side be equipped with can float up and down buoyant nail 43, correcting nail 11 side of cavity plate buoyant follow closely 43 bottoms contradict have spring two 44, and spring 2 44 is placed in die block 4;Lower die holder 5, which is equipped with, to be followed closely 43 with the buoyant of logical one side of piece cavity plate respectively, leads to The buoyant nail 43 of two side of piece cavity plate and the buoyant of 36 side of blanking die follow closely the corresponding placement channel two in 43 positions, dispose channel Three fix plug rear enclosed, peace with placement channel four, the bottom in placement channel two, placement channel three and placement channel four by filling in Setting merging in channel two and placement channel three has washer 5 40, spring 3 41 and extension bar 2 42, leads to the floating of one side of piece cavity plate The buoyant of material nail 43 and logical two side of piece cavity plate follows closely 43 retaining washers 5 40, and extension bar 2 42 is fixed with fixed plug, spring 3 41 Both ends are contradicted with washer 5 40 and extension bar 2 42 respectively;Dispose four inner sleeve 45 of channel, washer 6 46, spring 4 47 and extension bar three 48, washer 6 46 is fixed by the buoyant of casing 45 and blanking die side nail 43, and extension bar 3 48 is fixed with fixed plug, spring four 47 both ends are contradicted with washer 6 46 and extension bar 3 48 respectively.
In the present embodiment, the top left side of die block 4 is fixed with flipper guide 50, and the top surface of flipper guide 50 is fixed with The safety screen 49 of " L " shape.
A kind of U-shaped piece multiple row rushes the punching process of progressive die in advance, and progressive die is rushed in advance using a kind of above-mentioned U-shaped piece multiple row, Specifically include following blanking step:
A, bar material clamps between stripper 3 and die block 4, and enters punching and prepare;
B, using press machine make upper die holder 1 move down respectively on a bar material from left to right successively and step-feeding is punched out The positive U-shaped pieces of two row correcting holes, two row 53 lead to the positive U-shaped piece of the row of film perforation one, two 53, and to lead to the positive U-shaped piece 53 of the row of film perforation two, two pre- The reversed U-shaped piece of positive 53 blanking of U-shaped piece of punch extermal form, two row, two row 54 lead to film perforation one, two arrange reversed U-shaped piece 54 lead to film perforation two, The reversed 54 pre- punch extermal form of U-shaped piece of two row and two reversed 54 blankings of U-shaped piece of row;(as shown in Figure 4)
The specific steps that the positive 53 pre- punch extermal form of U-shaped piece of two row and the two reversed 54 pre- punch extermal forms of U-shaped piece of row are punched in advance:
Wherein in pre- punching, bar material thickness uses 0.5mm;
1) rushing punch-pin 23 pours 0.4mm in bar material in advance, and there are 0.1mm phases with bar material for U-shaped piece preformed product Connection, and punch into advance;
2) using the pre- kicker for rushing cavity plate 0.5mm has been higher by after punching press to bottom offset, butterfly spring, which is in, at this time presses Tight state is moved upwards when rushing punch-pin 23 in advance, and kicker 346 will move upwards under the action of butterfly spring, and material strip is ejected Cavity plate is rushed in advance, to which product will be molded in next station.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model Other various forms of products, however, make any variation in its shape or structure, it is every that there is same as the present application or phase Approximate technical solution, all falls within the scope of protection of the utility model.

Claims (9)

1. a kind of U-shaped piece multiple row rushes progressive die in advance, it is characterised in that:Include from top to bottom upper die holder, discharging panel seat, discharging successively Plate, die block, lower die holder and lower die seat board are equipped with punch retainer from left to right between upper die holder and discharging panel seat One, pre- blanking punch fixed plate one, blanking punch fixed plate one, punch retainer two, pre- blanking punch fixed plate two and blanking Punch retainer two;
It is solid that button point punch-pin is mounted in the endoporus of pre- blanking punch fixed plate one and in the endoporus of pre- blanking punch fixed plate two Fixed board;
It is fixed with correcting nail punch-pin and logical piece punch-pin one on punch retainer one, logical piece punch-pin is fixed on punch retainer two Two, it detains and is fixed with a button point punch-pin on point punch retainer, be fixed in blanking punch fixed plate one and blanking punch fixed plate two It is respectively and fixedly provided with pre- blanking punch in blanking punch, pre- blanking punch fixed plate one and pre- blanking punch fixed plate two, a button point punch-pin, Blanking punch, pre- blanking punch, correcting nail punch-pin, logical piece punch-pin one and logical piece punch-pin two sequentially pass through discharging panel seat and discharging Plate, blanking punch have been built into button point compression bar, and the bottom end of button point compression bar contradicts after molding with die block;
Button point punch-pin resetting-mechanism is installed at the top of button point punch retainer;
Limited position mechanism is installed, and the bottom of position-limit mechanism and the top surface of discharging panel seat contradict on upper die holder, position-limit mechanism is located at Between blanking punch fixed plate one and punch retainer two;
It is equipped on die block and correcting nail punch position corresponding correcting nail cavity plate, corresponding with logical one position of piece punch-pin Logical piece cavity plate one logical piece cavity plate two corresponding with logical two position of piece punch-pin, button point cavity plate corresponding with button point punch position and in advance The corresponding pre- punching and blanking die in blanking punch position and blanking die corresponding with blanking punch position are equipped at pre- punching and blanking die Pre- punching resetting-mechanism;
Inserted with lower push rod in the endoporus of button point cavity plate, lower die holder is interior to be equipped with placement channel corresponding with some endoporus of cavity plate are buckled One, placement is equipped with spring one and extension bar one in channel one, and the bottom in channel one is disposed to be closed by fixed plug, extension bar one with it is fixed Plug is fixed, and the both ends of spring one are contradicted with extension bar one and lower push rod bottom respectively;
The top of logical piece punch-pin one and logical piece punch-pin two is respectively and fixedly provided with logical piece pumping board, and pumping board cover board is equipped on logical piece pumping board.
2. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:Button point punch-pin resetting-mechanism Including button point cover board and floating backboard, upper die holder is equipped with two through hole, and upper die holder bottom surface is equipped with the mounting groove being connected to two through hole, Floating backboard is located in mounting groove, and bolt, washer one and butterfly spring one are equipped in two through hole, and butterfly spring one passes through bolt It is positioned on floating backboard with washer one, button point cover board fits in the top surface for buckleing some punch retainers, pre- blanking punch fixed plate Point cover board, pre- blanking punch fixed plate one and pre- punching are detained in merging in one endoporus and in the endoporus of pre- blanking punch fixed plate two It cuts out punch retainer two and floating backboard is fixed by stud, discharging panel seat has been built into adjustable plate, and adjustable plate is located at button point The lower section of punch retainer, button point punch retainer can be contradicted with plate top surface is adjusted, and the bottom end of button point punch-pin sequentially passes through adjusting It is inserted into after plate, discharging panel seat bottom surface, stripper in button point cavity plate.
3. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:Pre- punching resetting-mechanism packet Butterfly spring two, washer two, washer three, washer four, bolt and link block are included, the top and bottom of lower die holder are respectively inserted with top Part block and tray, link block are placed in lower die holder, and link block is fixed between tray and kicker, set that there are two heavy on tray Kong Yi, the large diameter hole of two counterbores one is interior to install butterfly spring two, and butterfly spring two passes through bolt, washer two, washer three It is fixed on link block with washer four, the top of link block has limit ladder, is limited after being contacted for link block.
4. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:Upper die holder, discharging panel seat and Mutual corresponding hole is respectively equipped on stripper, and mutual corresponding hole constitutes installation passage, installation passage is interior inserted with correcting Nail, correcting nail on be cased with correcting nail it is bushing, correcting nail it is bushing is embedded in discharging panel seat, correcting nail run through stripper.
5. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:The top of button point compression bar is solid There is compression bar extension bar due to being placed in the endoporus for being inserted into upper die holder, in the endoporus of upper die holder, cover board is embedded at the top of upper die holder, and The top of compression bar extension bar is contradicted with cover board, and bottom and the button point compression bar of compression bar extension bar contradict.
6. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:Position-limit mechanism includes discharging Spring, the positive stop strip that suppresses pin and can be contradicted with discharging panel seat top surface have a counterbore two on upper die holder, suppress the trunk portion of pin It is placed in the small diameter bore of counterbore two, suppresses the upper limit of pin in the large diameter hole of counterbore two, it is heavy that discharging spring is placed in In the large diameter hole in hole two, it is fixed with holding screw at the top of the large diameter hole of counterbore two, and the both ends of discharging spring contradict respectively In holding screw and the top for suppressing pin, positive stop strip is fixed on the columnar part bottom end for suppressing pin, the top of positive stop strip can with it is upper The bottom surface of die holder contradicts, to realize limit
7. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:Lower die holder be built by The retaining mechanism being locked at after the product blanking of punching shaping in blanking channel, retaining mechanism include locking insert, latch segment base Seat and latch segment backing plate, lock insert and latch segment pedestal is corresponded to positioned at the bottom surface of blanking die, and latch segment backing plate passes through screw It is fixed on the bottom surface of latch segment pedestal.
8. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:The side of correcting nail cavity plate, The side of the side, blanking die that lead to piece cavity plate one and logical piece cavity plate two is equipped with the buoyant nail that can be floated up and down, and correcting nail is recessed The buoyant nail bottom of mould side, which contradicts, spring two, and spring two is placed in die block;Lower die holder be equipped with respectively with it is logical The buoyant nail peace corresponding with the buoyant of blanking die side nail position of the buoyant nail of one side of piece cavity plate, logical two side of piece cavity plate Channel two, placement channel three and placement channel four are set, the bottom in placement channel two, placement channel three and placement channel four passes through plug Enter fixed plug rear enclosed, there are washer five, spring three and extension bar two in placement channel two with merging in placement channel three, lead to piece cavity plate The buoyant of one side is followed closely and the buoyant of logical two side of piece cavity plate follows closely retaining washer five, and extension bar two is fixed with fixed plug, spring three Both ends are contradicted with washer five and extension bar two respectively;Dispose four inner sleeve of channel, washer six, spring four and extension bar three, washer six logical The buoyant nail for crossing casing and blanking die side is fixed, and extension bar three is fixed with fixed plug, the both ends of spring four respectively with washer six It is contradicted with extension bar three.
9. a kind of U-shaped piece multiple row according to claim 1 rushes progressive die in advance, it is characterised in that:The top of die block Left side is fixed with flipper guide, and the top surface of flipper guide is fixed with the safety screen of " L " shape.
CN201820142286.0U 2018-01-26 2018-01-26 A kind of U-shaped piece multiple row rushes progressive die in advance Active CN207806354U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560564A (en) * 2019-08-30 2019-12-13 贵州大学 U-shaped base progressive die
CN113275458A (en) * 2021-07-22 2021-08-20 宁波震裕科技股份有限公司 Continuous strip forming manufacturing process for forming motor iron core

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110560564A (en) * 2019-08-30 2019-12-13 贵州大学 U-shaped base progressive die
CN113275458A (en) * 2021-07-22 2021-08-20 宁波震裕科技股份有限公司 Continuous strip forming manufacturing process for forming motor iron core

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