CN207533783U - A kind of punching press progressive die - Google Patents

A kind of punching press progressive die Download PDF

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Publication number
CN207533783U
CN207533783U CN201721491285.9U CN201721491285U CN207533783U CN 207533783 U CN207533783 U CN 207533783U CN 201721491285 U CN201721491285 U CN 201721491285U CN 207533783 U CN207533783 U CN 207533783U
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CN
China
Prior art keywords
puncture
lower template
plate
material strip
station
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201721491285.9U
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Chinese (zh)
Inventor
朱云青
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Haining Jufeng Bearing Accessories Co Ltd
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Haining Jufeng Bearing Accessories Co Ltd
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Priority to CN201721491285.9U priority Critical patent/CN207533783U/en
Application granted granted Critical
Publication of CN207533783U publication Critical patent/CN207533783U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a kind of punching press progressive die, belongs to field of mechanical technique, it solves the problems, such as that existing punching press progressive die punching is easily fallen.This punching press progressive die includes:Die holder, it is provided with lower bolster, lower template, at least one process is provided in lower template, process includes shearing station, back-pressure station, shaping station, it is embedded in lower template and punctures interior top and puncture broach shell puncturing Nei Ding peripheries and being arranged with, punctured broach shell and puncture interior top and form shearing station;Upper mold seat faces die holder side and is equipped with upper padding plate, upper clamp plate and cope plate, is equipped in upper clamp plate and punctures punch and puncture punch straight down across cope plate;Material strip is threaded through between cope plate and lower template, is punctured punch drive portion sub-material band and is resisted against to puncture on interior top and push and punctures interior top and move down together, and puncture the interior thickness for pushing up the distance that moves down and being slightly less than material strip, and material strip restores smooth after back-pressure station.The utility model has the characteristics that processing effect is good.

Description

A kind of punching press progressive die
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of punching press progressive die, and particularly one kind can avoid plate The punching press progressive die fallen.
Background technology
Punching press is one of main method of material pressure processing or plastic processing, is mainly processed by plank Lai molding zero Part, using mounted on stamping equipment(Mainly forcing press)On mold to material apply pressure, make its generate separation or plasticity Deformation, so as to obtain required part(It is commonly called as punching press or stamping parts)A kind of pressure processing method.
Punching press is mainly made of the punching cargo two big processes that become second nature, wherein, the purpose of blank operation is to make stamping parts along one Fixed wheel profile is detached from plate, while ensures to detach the quality requirement of section;The purpose of forming process is that plate is made not break It is plastically deformed under conditions of base, the workpiece of required shape and size is made.Wherein, stamping die be can not in punching production The technological equipment lacked, good mould structure, die quality and precision are to realize the reliable guarantee of process program, improve punching press Part quality.
Existing Sheet Metal Forming Technology is typically using compound die, especially multi-station progressive die, is completed on a forcing press Multi-step forming processes by working procedures integrated application in a workpiece, are realized by strip uncoiling, leveling, punching to forming, finishing Fully-automatic production.
Wherein, often plate is sheared completely during punching, easily makes the products material for being punched to get off on material strip from punching It is fallen on pressing mold or position changes, and then influence the processing of subsequent product, machining failure occurs, product does not meet reality It is required that while related components on mold can also be damaged.
In conclusion to solve the deficiency in existing punching press progressive die punching shearing, the utility model devises a kind of knot The punching press progressive die that structure is reasonable, processing effect is good.
Invention content
The utility model is of the existing technology to solve the problems, such as, provide it is a kind of it is rational in infrastructure, processing effect is good rushes It arbitrarily downgrades progressive die.
The purpose of this utility model can be achieved through the following technical solutions:A kind of punching press progressive die, including:
Die holder stacks be provided with lower bolster, lower template thereon successively, and at least one process, institute are provided in lower template Shearing station, back-pressure station, shaping station that process includes setting gradually are stated, each station is in same straight line, in lower template It is embedded with and punctures interior top and puncture broach shell puncturing Nei Ding peripheries and being arranged with, puncture interior top, puncture broach shell and lower template three Upper surface it is concordant, it is described puncture broach shell and puncture interior top form above-mentioned shearing station;
Upper mold seat is fastened on die holder, upper mold seat face die holder side be from top to bottom disposed with upper padding plate, on Clamping plate and cope plate, upper mold seat drive cope plate to move down and be pressed together in lower template, are equipped in upper clamp plate and puncture punch And it punctures punch and passes through cope plate straight down;
Material strip, level are threaded through between cope plate and lower template, and material strip successively along shearing station, back-pressure station and into Type station moves, when cope plate is pressed together in lower template, it is described puncture punch drive portion sub-material band and be resisted against puncture on interior top And promotion punctures interior top and moves down together, and punctures the interior thickness for pushing up the distance moved down and being slightly less than material strip, the material strip passes through Restore smooth after back-pressure station.
As being further improved for this case, the sheath that punctures that broach shell is correspondingly arranged is embedded with and punctured in cope plate, and It punctures punch and extends through and puncture sheath.
As this case another step improve, baffle plate is additionally provided between cope plate and upper clamp plate, and puncture punch by Baffle plate, cope plate are sequentially passed through under above and cope plate is stretched out in part.
It as being further improved for this case, is equipped in die holder and punctures mandril, punctured ejector rod part and be upward through down Backing plate is simultaneously connected with puncturing interior top, punctures mandril bottom and is connected with adjusting screw by liftout spring.
Another step as this case is improved, and the forming convax mould in hollow setting is also embedded in lower template, and baffle plate embeds Equipped with being taken off in the molding being correspondingly arranged with forming convax mould, taken off in the molding and pass through lower template straight down, and taken off in molding Inside it is equipped with the forming punching head that can partly stretch into forming convax mould.
Another step as this case is improved, and is additionally provided with two row limited posts in lower template, two row limited posts are arranged on material strip Both sides, and annular groove is offered on each limited post, the material strip is moved along each limited post.
As being further improved for this case, two the first ball bearing guide bushings of row for extending through lower bolster are equipped in lower template, Be installed in upper padding plate with one-to-one first guide post of each first ball bearing guide bushing, the first guide post sequentially pass through downwards upper clamp plate, Baffle plate and cope plate.
Compared with prior art, the structure design of the utility model is reasonable, and institute's punching press on material strip is avoided by the form of semishearing Shaping raw material fall, influence normal process, while the material strip that is obtained after to semishearing carries out back-pressure, material strip made to restore smooth, Convenient for the progress of subsequent forming process;In addition, the setting of limited post can be oriented to and be positioned to material strip, convenient for web feed Stablize, be conducive to effective molding of product.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the sectional view that station is sheared in the utility model.
Fig. 3 is the sectional view of shaping station in the utility model.
Fig. 4 is the part-structure schematic diagram of the utility model.
In figure, 10, die holder;11st, lower template;12nd, lower bolster;20th, upper mold seat;21st, cope plate;22nd, upper padding plate;23、 Upper clamp plate;24th, baffle plate;31st, interior top is punctured;32nd, broach shell is punctured;33rd, punch is punctured;34th, sheath is punctured;35th, mandril is punctured; 36th, liftout spring;37th, adjusting screw;40th, material strip;51st, forming convax mould;52nd, it is taken off in molding;53rd, forming punching head;54th, molding shield Set;55th, molding is outer de-;56th, de- material spring;571st, cover board;572nd, top plate;58th, de- material mandril;59th, clamping plate sheath;61st, first Ball bearing guide bushing;62nd, the second ball bearing guide bushing;63rd, determine guide sleeve;64th, resetting spring;71st, the first guide post;72nd, the second guide post;80th, it limits Position column;91st, station is sheared;92nd, back-pressure station;93rd, shaping station.
Specific embodiment
With reference to embodiment and attached drawing, the technical solution of the utility model is further elaborated.
As shown in Figures 1 to 4, this punching press progressive die includes:
Die holder 10 stacks be provided with lower bolster 12, lower template 11 thereon, is provided in lower template 11 at least one successively Process, and process is made of the shearing station 91, back-pressure station 92, shaping station 93 set gradually, each station is in always Line is embedded in lower template 11 and punctures interior top 31 and be arranged with puncturing 31 peripheries of interior top and puncture broach shell 32, puncture interior top 31, The upper surface for puncturing 11 three of broach shell 32 and lower template is concordant, punctures broach shell 32 and punctures the above-mentioned shearing work of interior 31 composition of top Position 91;
Upper mold seat 20 is fastened on die holder 10, and upper mold seat 20 faces 10 side of die holder and is from top to bottom disposed with Upper padding plate 22, upper clamp plate 23 and cope plate 21, upper mold seat 20 drives cope plate 21 to move down and be pressed together in lower template 11, upper It is equipped with to puncture punch 33 and puncture punch 33 in clamping plate 23 and passes through cope plate 21 straight down;
Material strip 40, level are threaded through between cope plate 21 and lower template 11, and material strip 40 is successively along shearing station 91, back-pressure Station 92 and shaping station 93 move, and puncture 31 upper surfaces of interior top and are slightly less than material to the distance between 32 upper surface of broach shell is punctured With 40 thickness, when cope plate 21 is pressed together in lower template 11, puncture in 33 drive portion sub-material band 40 of punch is resisted against and punctures On top 31 and promotion punctures interior top 31 and moves down together, and punctures the thickness that the distances that interior top 31 moves down are slightly less than material strip 40, Material strip 40 restores smooth after back-pressure station 92.
Often plate is sheared completely in punching in existing stamping die, easily makes to be punched on material strip 40 Products material fallen from stamping die or position changes, and then influence the processing of subsequent product, machining failure occurs, Product does not meet actual requirement, while also related components on mold can be damaged.
For this purpose, the utility model devises a kind of punching press progressive die, institute's punching press on material strip 40 is avoided by the form of semishearing Shaping raw material fall, influence normal process, while the material strip 40 that is obtained after to semishearing carries out back-pressure, material strip 40 made to restore flat It is whole, convenient for the progress of subsequent forming process.
Stamping procedure is made of shearing station 91, back-pressure station 92, shaping station 93 in the present embodiment, and material strip 40 is successively The shaped article after each station.As shown in Figure 1, it is molded twice in practical preferably punching press progressive die, i.e., in lower die Two processes are set on plate 11, and each process is made of above-mentioned each station, is carried out twice on the same position of material strip 40 Molding obtains two different products of size.
Material strip 40 is passing through first process aftershaping, one smaller product of size, and material strip 40 continues to move at this time, passes through Another larger-size product is molded in identical position after crossing second process, 40 each stock layout position of material strip sequentially enters In-molded two products of punching press.
Specifically, by puncturing punch 33 with puncturing being equipped with for broach shell 32 in the utility model, when cope plate 21 is detained Close when in lower template 11, material strip 40 is punched, at the same by puncture it is interior top 31 die sinking when reset and material strip 40 is pushed up Go out, continue to move to next station convenient for material strip 40.
Preferably, it is embedded with and punctures that broach shell 32 is correspondingly arranged punctures sheath 34, and puncture punch in cope plate 21 33 extend through and puncture sheath 34.
Under mold original state, it is 31 concordant with puncturing the upper surface of broach shell 32 and lower template 11 to puncture interior top, when upper When die holder 20 drives cope plate 21, punctures punch 33 and puncture sheath 34 and move down, material strip 40 is resisted against by cope plate 21 In lower template 11, in this process, stretched out outside cope plate 21 due to puncturing punch 33, puncture punch 33 and take the lead in drive portion Sub-material band 40, which is resisted against, to be punctured on interior top 31, and is driven in continuing to move down material strip 40 and punctured interior top and 31 move downwardly together It is dynamic.
When cope plate 21 and lower template 11 snap together, press work terminates, and interior top is preferably punctured in the present embodiment 31 distances moved down are slightly less than the thickness of material strip 40, do not completely cut through material strip 40 so that it is guaranteed that puncturing punch 33, into Part material strip 40 needed for type product remains able to move to next station together with material strip 40.
After the completion of punching press, mold die sinking, upper mold seat 20 drives cope plate 21, punctures punch 33 etc. and move up under disengaging together Template 11 drives material strip 40 to move up, continues to convey convenient for material strip 40, be moved to next at this point, puncturing interior top 31 and resetting Station.
Further, baffle plate 24 is additionally provided between cope plate 21 and upper clamp plate 23, and puncture punch 33 by upper and Under sequentially pass through baffle plate 24, cope plate 21 and part stretch out cope plate 21.
Baffle plate 24 is preferably provided in the present embodiment between cope plate 21 and upper clamp plate 23, using upper padding plate 22, on The structure of the laminated multi-layer of clamping plate 23 and baffle plate 24 can play cushioning effect, reduce mold and continue to produce during open mold Raw vibration.
Further, it is equipped in die holder 10 and punctures mandril 35, punctured 35 part of mandril and be upward through lower bolster 12 and 31 it is connected with puncturing interior top, punctures 35 bottom of mandril and adjusting screw 37 is connected with by liftout spring 36.
It is fixedly connected, and puncture mandril 35 with the mandril 35 that punctures in die holder 10 specifically, puncturing interior top 31 Bottom is connected with liftout spring 36, is realized under the action of liftout spring 36 and punctures moving up and down for interior top 31.
It wherein punctures mandril 35 to set in inverted " T " shape structure, under original state, punctures mandril 35 in liftout spring 36 Effect lower part is resisted against 12 bottom of lower bolster, and then the upper surface for ensuring to puncture interior top 31 is put down with puncturing 32 upper surface of broach shell Together.
In addition, in the adjusting screw 37 that the installation of 10 bottom of die holder is connected with liftout spring 36, by adjusting screw 37 Adjustment so that spring can will puncture mandril 35 under reset condition and be resisted against the bottom of lower bolster 12, at this point, puncturing interior top 31 upper surface is concordant with the upper surface for puncturing broach shell 32.It can make to puncture interior top 31 under the action of screen resilience after punching press It restPoses, and material strip 40 restores the position of feed status.
Preferably, the forming convax mould 51 in hollow setting is also embedded in lower template 11, be embedded in baffle plate 24 with into 52 are taken off in the molding that type punch-pin 51 is correspondingly arranged, 52 are taken off in molding and passes through lower template 11 straight down, and taken off in 52 in molding It is equipped with the forming punching head 53 that can partly stretch into forming convax mould 51.
The setting of above-mentioned baffle plate 24 also facilitates in molding de- 52 installation, in actual work, in the drive of upper mold seat 20 For template 21 when being moved towards die holder 10 and cope plate 21 being made to be fastened in lower template 11, forming punching head 53 stretches into forming convax mould Take off and 52 be resisted against on forming convax mould 51 in 51, and in being molded, at this point, material strip 40 be located in molding take off 52 with forming convax mould 51 it Between.
Further, the formed protective sleeve 54 for being set in and 52 peripheries being taken off in molding, forming convax mould are additionally provided in cope plate 21 51 peripheries are arranged with de- 55 outside the molding being correspondingly arranged with formed protective sleeve 54.
When cope plate 21 is fastened in lower template 11, formed protective sleeve 54 is resisted against in molding outer de- 55, excellent in the present embodiment Hank outside type de- 55 upper surface it is concordant with the upper surface of lower template 11, and the upper surface of forming convax mould 51 is outer higher than molding takes off 55 Upper surface.
Therefore, molding when, formed protective sleeve 54, molding in take off 52 and forming punching head 53 move downwardly together, in molding De- 52 take the lead in contacting with forming convax mould 51, and taking off 52 in molding in continuing to move down reversely moves up until formed protective sleeve 54 is resisted against into On de- 55 outside type, material strip 40 is shaped to section in by forming punching head 53, forming convax mould 51 and 54 three of formed protective sleeve at this time Put the product of "u"-shaped.
Preferably, the cover board 571 being arranged in parallel, top plate 572 are installed, cover board 571 passes through with top plate 572 in upper mold seat 20 De- material spring 56 is connected, and forming punching head 53 is connected by screw and top plate 572.
Forming punching head 53 is really by top plate 572, the composite structure of cover board 571 and de- material spring 56 and upper mold seat 20 Flexible connection, it takes off 52 etc. after formed product, in the drive of cope plate 21 formed protective sleeve 54, molding and moves up disengaging lower template 11, Forming punching head 53 is detached from forming convax mould 51 under the action of de- material spring 56.
Further, it is equipped with de- material mandril 58 in upper clamp plate 23, and de- material mandril 58 is downward through by upper clamp plate 23, The clamping plate sheath 59 in de- material mandril 58 is equipped in upper clamp plate 23, and clamping plate sheath 59 is set in outside forming punching head 53 Week, de- material spring 56 can drive forming punching head 53 to be moved up and down along clamping plate sheath 59.
Specifically, de- material spring 56 drives forming punching head 53 52 to move up and down along being taken off in molding, clamping plate sheath 59 with into Type punch 53 is closely coupled, is moved together with forming punching head 53, while can play a protective role to forming punching head 53.
During die sinking, de- material mandril 58 can act on de- material spring 56 and then forming punching head 53 is driven to take the lead in being detached from molding Punch-pin 51 takes off 52 at this time and is still resisted against on forming convax mould 51 namely is resisted against on product, product is avoided to be rushed with molding in molding First 53 move up together, convenient for being subsequently collected to product.
It is noted that it is considered that forming convax mould 51 and molding outer de- 55 form above-mentioned shaping station 93, material The final molding product here of band 40.Wherein back-pressure station 92 is formed after really being fastened by cope plate 21 with lower template 11, is expected After shearing station 91, part material strip 40 continues to move to band 40 to lower recess, at this time material strip 40, when molding next time, The material strip 40 of recess restores smooth under two plane effects opposite with lower template 11 of cope plate 21, eventually moves to molding work Position 93.Position corresponding to shearing station 91, back-pressure station 92 and shaping station 93 is carried out at the same time work, continuously right Material strip 40 carries out punch forming.
Preferably, two row limited posts 80 are additionally provided in lower template 11, two row limited posts 80 are arranged on 40 both sides of material strip, and Annular groove is offered on each limited post 80, material strip 40 is moved along each limited post 80.
The setting of limited post 80 can position material strip 40, it is ensured that energy accurate machining product during mold work, wherein Opening up for annular groove conveys convenient for material strip 40 along each annular groove.
It is preferred that the distance of each annular groove to lower template 11 is equal, and when molding each limited post 80 under the drive of cope plate 21 Move down and make material strip 40 it is smooth between cope plate 21 and lower template 11, be convenient for punch forming work.
Further, two the first ball bearing guide bushings of row 61 for extending through lower bolster 12, upper padding plate are equipped in lower template 11 It is installed in 22 and sequentially passes through upper clamp plate downwards with each first ball bearing guide bushing, 61 one-to-one first guide post 71, the first guide post 71 23rd, baffle plate 24 and cope plate 21.
Since the working frequency of punching press progressive die compares comparatively fast, the number of open mold is relatively more, therefore to stamping die Guiding accuracy it is more demanding, preferably by setting the mutual of multiple first guide posts 71 and the first ball bearing guide bushing 61 in the present embodiment Cooperating realizes the accurate guiding of mould open/close mould.
Preferably, be installed with the second guide post 72 respectively in four edges of die holder 10, be installed on upper mold seat 20 with respectively Second guide post 72 determines guide sleeve 63 correspondingly, and the second ball bearing guide bushing 62, the second ball are arranged on each second guide post 72 Guide sleeve 62 is connected by resetting spring 64 and die holder 10, and the outer diameter of the second ball bearing guide bushing 62 is more than the internal diameter for determining guide sleeve 63.
To ensure that mold is oriented to accurate, the second guide post 72 is also mounted in each edge in die holder 10, and in upper mold seat Corresponding position, which is provided with, on 20 determine guide sleeve 63, and when molding determines guide sleeve 63 and moved down with upper mold seat 20, and each second guide post 72 is gradual embedding Enter corresponding to determine guide sleeve 63.
Herein, the outer diameter of the second ball bearing guide bushing 62 being preferably set on the second guide post 72 is more than the internal diameter for determining guide sleeve 63, Corresponding second ball bearing guide bushing 62 can be driven to move down together when determining guide sleeve 63 and move down, resetting spring 64 is compressed;On during die sinking Die holder 20, which then drives, determines the second guide post 72 of disengaging of guide sleeve 63, and the second ball bearing guide bushing 62 restores initial under the action of resetting spring 64 State.On the one hand such structure setting can further function as the effect of buffering, on the other hand, further ensure that mold is led To accurate.
This punching press progressive die is reasonable in design, and the shaping raw material for avoiding institute's punching press on material strip 40 by the form of semishearing falls It falls, influences normal process, while the material strip 40 obtained after to semishearing carries out back-pressure, material strip 40 is made to restore smooth, convenient for follow-up The progress of molding procedure;In addition, the setting of limited post 80 can be oriented to and positioned to material strip 40, conveyed surely convenient for material strip 40 It is fixed, be conducive to effective molding of product.
Described herein is only the preferred embodiment of the utility model, but the scope of protection of the utility model is not It is confined to this.Modification that the utility model those skilled in the art carries out described specific embodiment or supplement are adopted It is replaced, should all be covered by within the scope of protection of the utility model with similar mode.

Claims (7)

1. a kind of punching press progressive die, which is characterized in that including:
Die holder stacks be provided with lower bolster, lower template thereon successively, and at least one process, the work are provided in lower template Sequence includes the shearing station, back-pressure station, shaping station set gradually, and each station is in same straight line, is embedded in lower template Puncture interior top and puncture broach shell puncturing Nei Ding peripheries and being arranged with, puncture interior top, puncture broach shell and lower template three it is upper Flush, it is described to puncture broach shell and puncture the above-mentioned shearing station of interior top composition;
Upper mold seat is fastened on die holder, and upper mold seat faces die holder side and is from top to bottom disposed with upper padding plate, upper clamp plate And cope plate, upper mold seat drive cope plate to move down and be pressed together in lower template, are equipped in upper clamp plate and puncture punch and thorn Broken punch passes through cope plate straight down;
Material strip, level are threaded through between cope plate and lower template, and material strip is successively along shearing station, back-pressure station and molding work Displacement is moved, when cope plate is pressed together in lower template, it is described puncture punch drive portion sub-material band and be resisted against puncture on interior top and push away Dynamic to puncture interior top and move down together, and puncture the interior thickness for pushing up the distance moved down and being slightly less than material strip, the material strip passes through back-pressure Restore after station smooth.
2. a kind of punching press progressive die according to claim 1, which is characterized in that be embedded with and puncture broach shell in cope plate What is be correspondingly arranged punctures sheath, and punctures punch and extend through and puncture sheath.
3. a kind of punching press progressive die according to claim 2, which is characterized in that also set up between cope plate and upper clamp plate There is baffle plate, and puncture punch and from top to bottom sequentially pass through baffle plate, cope plate and part stretching cope plate.
4. a kind of punching press progressive die according to Claims 2 or 3, which is characterized in that be equipped in die holder and puncture top Bar punctures ejector rod part and is upward through lower bolster and is connected with puncturing interior top, punctures mandril bottom and be connected with by liftout spring Adjusting screw.
5. a kind of punching press progressive die according to claim 3, which is characterized in that be also embedded in hollow setting in lower template Forming convax mould, be embedded in baffle plate in the molding being correspondingly arranged with forming convax mould and take off, take off in the molding and wear straight down Lower template is crossed, and the forming punching head that can partly stretch into forming convax mould is equipped in molding Nei Tuonei.
6. a kind of punching press progressive die according to claim 1, which is characterized in that the limiting of two row is additionally provided in lower template Column, two row limited posts are arranged on material strip both sides, and offer annular groove on each limited post, and the material strip is moved along each limited post It is dynamic.
7. a kind of punching press progressive die according to claim 3, which is characterized in that be equipped in lower template and extend through underlay Two the first ball bearing guide bushings of row of plate, be installed in upper padding plate with one-to-one first guide post of each first ball bearing guide bushing, first leads Column sequentially passes through downwards upper clamp plate, baffle plate and cope plate.
CN201721491285.9U 2017-11-10 2017-11-10 A kind of punching press progressive die Expired - Fee Related CN207533783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721491285.9U CN207533783U (en) 2017-11-10 2017-11-10 A kind of punching press progressive die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721491285.9U CN207533783U (en) 2017-11-10 2017-11-10 A kind of punching press progressive die

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CN207533783U true CN207533783U (en) 2018-06-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723168A (en) * 2018-07-22 2018-11-02 扬州广菱电子有限公司 A kind of two-way die cutting die of double-station
CN109570344A (en) * 2018-11-30 2019-04-05 东莞市斯浦昊模具有限公司 A kind of complete cycle flange progressive die production technology
CN112317613A (en) * 2020-08-24 2021-02-05 浙江泰欣电器有限公司 Multi-station stamping die

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108723168A (en) * 2018-07-22 2018-11-02 扬州广菱电子有限公司 A kind of two-way die cutting die of double-station
CN109570344A (en) * 2018-11-30 2019-04-05 东莞市斯浦昊模具有限公司 A kind of complete cycle flange progressive die production technology
CN112317613A (en) * 2020-08-24 2021-02-05 浙江泰欣电器有限公司 Multi-station stamping die

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180626

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