CN207238902U - A kind of drawing part rushes the downward waste discharge material class progressive die of bottom outlet upwards - Google Patents

A kind of drawing part rushes the downward waste discharge material class progressive die of bottom outlet upwards Download PDF

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CN207238902U
CN207238902U CN201720784536.6U CN201720784536U CN207238902U CN 207238902 U CN207238902 U CN 207238902U CN 201720784536 U CN201720784536 U CN 201720784536U CN 207238902 U CN207238902 U CN 207238902U
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station
downward
die
plate
punching
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王正成
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CHANGHUI (SHANGHAI) TECHNOLOGY GROUP Co Ltd
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CHANGHUI (SHANGHAI) TECHNOLOGY GROUP Co Ltd
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Abstract

The utility model discloses a kind of drawing part to rush the downward waste discharge material class progressive die of bottom outlet upwards, its forming station includes correcting hole station, fabrication hole punching station according to the processing sequence to workpiece successively, is pulled up that station, drawing station, shaping station, upward punching station, downward drawing waste discharge material station, product separate with material strip station, waste material cuts off station, drawing station is provided with multiple, divides multistep by workpiece drawing to required size;Upward punching station is provided with upward hole punched device, and downward drawing waste discharge material station is provided with downward drawing waste discharge device.The utility model can effectively solve the problem that the upward punching of existing progressive die, waste material must be equipped with one and inhale scrap machine suction, and certain space need to not only be taken there is suction machine using waste material suction machine, and consume energy the problem of high, also there is the waste material caused by a variety of causes to inhale not walk, and then stifled waste material occurs, breaks the problems such as mould, also there is security risk.

Description

A kind of drawing part rushes the downward waste discharge material class progressive die of bottom outlet upwards
Technical field
Mold design technical field is the utility model is related to, the downward waste discharge of bottom outlet is rushed upwards more particularly, to a kind of drawing part Expect class progressive die.
Background technology
Progressive die is mould relatively advanced in production and processing at this stage, it combines single die tool will more secondary set of molds It is combined, so as to fulfill working procedures automated production, has processing quality good, production efficiency is high, and it is excellent that operating personnel are few etc. Point, is a general orientation of mold design development at this stage.There are multiple side openings for deep drawing, circumference, have without baseplane, lower face Notch, centre have necking down class product, and so complicated product also is difficult to realize in one set of die with progressive die, as Fig. 1 such as shows, According to the design feature of product:First, product has concentric reducer, and there is chamfering on the inside of stub end aperture, therefore the flanged lip of drawing is set Meter is more reasonable in stub end;Second, product big end oral area also has a semicircle small gap, and this notch must be by product flange Arrange lateral incision after side excision is a part of again, and downwards drawing part want close to product outside diameter cut away part flange be it is highly difficult, because For cavity plate edge of a knife insufficient strength, if drawing is can to solve the problems, such as this upwards, but it is to pull up to bring unfavorable factor On deep part baseplane can not downward punching, can only upward punching, waste material must be siphoned away with suction scrap machine upwards after punching, thus to Upper drawing is more reasonable.
Utility model content
The purpose of this utility model is to provide a kind of drawing part of offer and rushes the downward waste discharge material class progressive die of bottom outlet upwards, solves The existing upward punching of progressive die, waste material must be equipped with one and inhale scrap machine suction, and not only there is pumping using waste material suction machine Suction machine need to take certain space, and consume energy the problem of high, and also there is the waste material caused by a variety of causes to inhale not walk, Jin Erfa Raw stifled waste material, break the problems such as mould, and also there is security risk.
Technical solution is used by the utility model solves its technical problem:A kind of drawing part rushes bottom outlet and arranges downwards upwards Waste material class progressive die, its forming station according to the processing sequence to workpiece successively include correcting hole station, fabrication hole punching station, Station, drawing station, shaping station, upward punching station, downward drawing waste discharge material station, product is pulled up to separate with material strip Station, waste material excision station.
Drawing station is provided with multiple, divides multistep by workpiece drawing to required size.
Upward punching station is provided with upward hole punched device, it is used for realization the upward of workpiece and not exclusively punches through punching.
Downward drawing waste discharge material station is provided with downward drawing waste discharge device, and downward drawing waste discharge device includes drawing Punch-pin and go out waste material drawing cavity plate, it, which is used to waste material is pressed into out waste material drawing cavity plate by drawing punch-pin, is then exhausted from.
Further, upward hole punched device include the first upper die mechanism, the first lower die buoyant mechanism, the first lower die mechanism, First die mechanism, the first reverse deep-drawing structure.
The first upper clamping plate that first upper die mechanism includes being fixedly installed successively from top to bottom, the first upper padding plate, the One upper mould fixed plate, the first discharging cover board, the first loading and unloading material plate, the first discharging cover board are locked on the first upper mould fixed plate.
First die mechanism include be arranged on be successively set on from top to bottom in the first upper die mechanism head part spring, Ejector, punching concave die, be oriented to cavity plate, and punching concave die, which is set, to be oriented to inside cavity plate top, and the both ends of head part spring are respectively with the One upper die mechanism inner wall, one end of ejector connect, and the other end of ejector is arranged in punching concave die, and ejector is used for will punching Waste material behind hole pushes back workpiece and is ejected together with workpiece from cavity plate.
Lower punch fixed plate that first lower die mechanism includes being fixedly installed successively from top to bottom, the first lower bolster, the One die holder plate, be provided with the first lower die mechanism with punching concave die, be oriented to the lower punch that cavity plate is adapted.
Flitch and the first Rectangular Spring are floated downward including first by the first lower die buoyant mechanism, and first, which floats downward flitch, is arranged on Between first loading and unloading material plate and lower punch fixed plate;First Rectangular Spring is arranged in the first lower die mechanism, its both ends respectively and First lower die mechanism, first float downward flitch lower face and connect;First float downward be provided with flitch be adapted down with lower punch it is convex Mould is oriented to resigning through hole.
The first reverse deep-drawing structure includes the first nitrogen gas spring and the first back-pressure being arranged in the first upper die mechanism Bar, the first upper die mechanism, one end of the first back-pressure bar offset respectively at the both ends of the first nitrogen gas spring, the other end of the first back-pressure bar The first loading and unloading material plate and first is stretched out to float downward flitch upper surface and connect.
First lower die buoyant mechanism further includes spring guide screw of the fixing device on the first loading and unloading material plate lower face, bullet Device has the first spring guide being set in the first Rectangular Spring on spring guide rod screw.The effect of first spring guide except for It is outer that spring movement provides guiding, moreover it is possible to effectively prevents to fall to template other positions because of spring breakage and then damages mould by pressure The problem of.
Further, downward drawing waste discharge device, which is set, includes the second upper die mechanism, upper mold back-pressure linkage, under second Mould buoyant mechanism, the second lower die mechanism, lower die shedding mechanism.
Second upper die mechanism include be fixedly installed successively from top to bottom the second upper clamping plate, the second upper padding plate, on Punch retainer, drawing punch-pin one end fixing device are adapted in upper male mould fixed plate, the other end and drawing cavity plate.
The lower die shedding mechanism includes the second discharging cover board, the second stripper, the second discharging spring, the second discharging top Bar, the second upper die mechanism and the second lower die machine that the second discharging cover board and the second stripper are mutually fixedly set successively from top to bottom Between structure;Second discharging spring is arranged in the second upper die mechanism, its both ends respectively with the second upper die mechanism, the second discharging mandril One end connect, the other end of the second discharging mandril and the second discharging cover board upper surface connect;It is provided with second discharging cover board The punch-pin guide through hole being adapted with drawing punch-pin;The cavity plate that waste material drawing cavity plate is adapted is provided with and gone out in second stripper Guide through hole.
Lower cavity die fixed plate that second lower die mechanism includes being fixedly installed successively from top to bottom, the second lower bolster, the Two lower die seat boards;Go out the lower end device of waste material drawing cavity plate in the second lower die mechanism, end device is in cavity plate guide through hole thereon It is interior;Second lower die mechanism bottom is provided with out the discharge through hole that waste material drawing female bottom is connected.
The upper mold back-pressure linkage includes heavily loaded Rectangular Spring and the second back-pressure bar;Heavily loaded Rectangular Spring is arranged on second In upper die mechanism, the one end of its both ends respectively with the second upper die mechanism, the second back-pressure bar connects;The other end of second back-pressure bar passes through The second discharging cover board, the second stripper and lower cavity die dead plate upper end face is worn to be adapted.
Flitch, middle load Rectangular Spring are floated downward including second by the second lower die buoyant mechanism, and middle load Rectangular Spring is arranged on In second lower die mechanism, its both ends floats downward flitch lower face with the second lower die mechanism, second respectively and connects;Second floats downward on flitch It is provided with and goes out the guiding resigning through hole that waste material drawing cavity plate is adapted.
In order to which discharging is relatively reliable, and structure is more reasonable, and the lower die shedding mechanism further includes device in discharging cover board Discharging ring on lower face, the inner ring and drawing punch-pin of discharging ring are adapted;Mutually fitted with cavity plate guide through hole the outer ring of discharging ring Match somebody with somebody, can be received in it.
Second lower die buoyant mechanism further includes fixing device and consolidates in the second second spring guide rod floated downward on flitch lower face Determine screw, device has the second spring guide rod being set in middle load Rectangular Spring in spring guide fixing screws.Second spring is led The effect of bar for spring movement in addition to providing and being oriented to, moreover it is possible to effectively prevents to fall to the other positions of template because of spring breakage The problem of putting and then damaging mould by pressure.
In order to ensure the more reasonable of structure, the upper port chamfering being arranged on after downward drawing waste discharge material station is further included Station, side punching station, Detection of Existence station, the necking stations in hole, fabrication hole punching station and be pulled up between station, Be pulled up between station and drawing station, between upward punching station and downward drawing waste discharge material station, upper port chamfering work Between position and side punching station, between the Detection of Existence station in side punching station and hole, the Detection of Existence station in hole and contracting Between neck station, necking stations and product be both provided with idle station between separating station with material strip.
The beneficial effects of the utility model:Product completes all upward punchings after rushing fabrication hole, drawing, shaping, upwards Punching is not exclusively cut away using the method waste material of hemisection, and back-pressure returns product again for reservation 0.05 or so, and then product takes waste material to Next work step because the diameter of waste material be equal to product drawing after inner wall size waste material can not be arranged directly from the inside of product Go out, it is therefore necessary to be reduced to waste material appearance and size by way of deep-drawing deformation untill being discharged out of cavity plate.
The mould of upward punching rushes the downward waste discharge material class progressive die of bottom outlet using this drawing part and replaces waste material suction machine upwards Waste suction material one can save about 4000 yuan of the expense of a waste material suction machine, often produce 1,000,000 product using electricity wisely about 5000 Member (produces 20 calculating) by every point of kind, and 0.005 yuan of cost can be reduced equivalent to each product, second, this method is relatively with useless Expect that suction machine is more safe and reliable, eliminate and produce the security incident that stifled waste material breaks mould because waste material is inhaled and do not walked.
Below with reference to drawings and examples, the utility model is described in detail.
Brief description of the drawings
Fig. 1 is the structure diagram for the product processed in the utility model embodiment.
Fig. 2 is the material strip artwork for the product processed in the utility model embodiment.
Fig. 3 is the structure diagram of upward hole punched device mold closing state.
Fig. 4 is the structure diagram of upward hole punched device die opening state.
Fig. 5 is the structure diagram of downward drawing waste discharge device mold closing state.
Fig. 6 is the structure diagram of downward drawing waste discharge device die opening state.
Embodiment
Embodiment, the drawing part that the utility model is related to rush the downward waste discharge material class progressive die of bottom outlet as shown in Fig. 2 upwards, For processing product as shown in Figure 1.Whole processing process g1 to g36 totally 36 stations have been divided into.Wherein:g1、 G2, g3 station are correcting hole and fabrication hole punching;Correcting hole is in order to which station below can be accurately positioned, and rushes fabrication hole It is in order to which drawing station below is prepared, that is, cuts off the excess stock in addition to trimming allowance, retains drawing body of material and load Body.The main reason for g4 stations are idle station, setting is that the loading and unloading material plate of first group of template is movable, and lower die concave template is Fixed, and the upper mold stripper of ensuing second group of template is inactive, and lower die stripper is to float, and is so existed Material strip front and rear height can be produced during mold work to rise and fall excessive and cause material strip to deform, so one must be set this position again Idle station, with reduce stripper because just rise and fall it is excessive caused by material strip deform influence.G5 stations are to be pulled up station, Material strip is mainly produced into plastic deformation by drawing in this station, formation has cylindrical housings.G6, g7, g8 station are empty work Position, because the 3rd group of plate fovea superior template is also fixed, lower die buoyant plate is also what is floated, but it is high to float downward plane on flitch Go out drawing punch-pin, therefore upper mold is provided with back-pressure rod structure, it is therefore an objective in product drawing in advance by lower die buoyant plate Buoyant power allows drawing punch-pin top to product by product press-in drawing cavity plate to being eliminated, rather than by buoyant plate power by product Cavity plate is pressed into, otherwise product can produce the deformation for being unfavorable for drawing, higher plus the product drawing height and discharging height, work When template group and group between material strip height floating deformation it is larger so the idle station stayed is more.G9, g10, g11, g12 are drawing Station, g13 are shaping station, and g14 stations are upward punching station (hemisection), g9 to the purpose of g14 be by product drawing needed for Size and shaping and upward punching (hemisection).G15, g16 station are idle station, and g17 stations are downward drawing waste discharge material station Station, prepares for postorder side blow product big end oral area notch, while the upward punching of g14 stations (hemisection) is stayed on product Waste material is pressed into out waste material drawing cavity plate by drawing punch-pin with the mode of deep-drawing deformation and discharged by waste material, and it is recessed that this goes out waste material drawing Mould is also positioning of the product in this station, so can be ignored using the increased cost of method of this waste discharge material, g18 is upper Port chamfering station, it is therefore an objective to the sharp edge and burr produced after punching is removed, g17 and g18 are one group of platelet, and g19 is room, G20 is side punching station, and g21, g22 are idle station, and g23 is side punching station, while goes out product big end oral area notch, G24, g25 are idle station, and g26 is side punching station, and g27, g28 are idle station, and g29 is the Detection of Existence station in hole, 24- The hole of φ 1.8 is all detected, and prevents hole from having leakage to rush or do not punch through situation, and g30, g31 are idle station, and g32 is necking stations, G33, g34 are idle station, and g35 separates station with material strip for product, and g36 cuts off station for waste material, this station for waste material into Row shearing, for postorder waste material recycling provide it is convenient.
Further detailed description is as follows:A kind of drawing part as shown in Figures 1 to 6 rushes the downward waste discharge material class of bottom outlet upwards Progressive die, upward punching station g14 are provided with upward hole punched device, it is used for realization the upward of workpiece and not exclusively punches through punching; Downward drawing waste discharge material station is provided with downward drawing waste discharge device, and downward drawing waste discharge device includes drawing punch-pin and goes out Waste material drawing cavity plate, it, which is used to waste material is pressed into out waste material drawing cavity plate by drawing punch-pin, is then exhausted from.
Upward hole punched device includes the first upper die mechanism 80, the first lower die buoyant mechanism 81, the first lower die mechanism 82, first Die mechanism 83, the first reverse deep-drawing structure 84, first upper die mechanism 80 include the be fixedly installed successively from top to bottom One upper clamping plate 801, the first upper padding plate 802, the first upper mould fixed plate 803, the first discharging cover board 804, the first loading and unloading material plate 805, the first discharging cover board 804 is locked on the first upper mould fixed plate 803.
First die mechanism 83 includes being arranged on the head part being successively set on from top to bottom in the first upper die mechanism 80 Spring 831, ejector 832, punching concave die 833, guiding cavity plate 834, punching concave die 833, which is set, to be oriented in 834 top of cavity plate Portion, the one end of the both ends of head part spring 831 respectively with 80 inner wall of the first upper die mechanism, ejector 832 connect, ejector 832 The other end is arranged in punching concave die 833, and ejector 832 is used to the waste material after punching pushing back workpiece and together with workpiece from cavity plate Middle ejection.
First lower die mechanism 82 includes lower punch fixed plate 822, the first underlay being fixedly installed successively from top to bottom Plate 823, the first lower die seat board 824, be provided with the first lower die mechanism 82 with punching concave die 833, be oriented to cavity plate 834 and be adapted Lower punch 821.
Flitch 811 and first time Rectangular Spring 814 are floated downward including first by the first lower die buoyant mechanism 81, and first floats downward Flitch 811 is arranged between the first loading and unloading material plate 805 and lower punch fixed plate 822;First time Rectangular Spring 814 is arranged on first In lower die mechanism 82, its both ends floats downward 811 lower face of flitch with the first lower die mechanism 82, first respectively and connects;First time buoyant The lower punch 821 being adapted with lower punch 821 is provided with plate 811 and is oriented to resigning through hole.
The first reverse deep-drawing structure 84 includes being arranged on the first nitrogen gas spring 841 in the first upper die mechanism 80 and the One back-pressure bar 842, the first upper die mechanism 80, one end of the first back-pressure bar 842 offset respectively at the both ends of the first nitrogen gas spring 841, The other end of first back-pressure bar 842 stretches out the first loading and unloading material plate 805 and first and floats downward 811 upper surface of flitch and connect.
First lower die buoyant mechanism 81 further includes first spring of the fixing device on 805 lower face of the first loading and unloading material plate and leads Bar screw 812, device has the first spring guide being set in first time Rectangular Spring 814 on 813 screw 812 of spring guide 813。
Downward drawing waste discharge device, which is set, includes the second upper die mechanism 90, upper mold back-pressure linkage 91, and the second lower die is floated Expect mechanism 92, the second lower die mechanism 93, lower die shedding mechanism 94.
Padded on the second upper clamping plate 901, second that second upper die mechanism 90 includes being fixedly installed successively from top to bottom Plate 902, upper male mould fixed plate 904,903 one end fixing device of drawing punch-pin is in upper male mould fixed plate 904, the other end and drawing Deep cavity plate 931 is adapted.
The lower die shedding mechanism 94 include the second discharging cover board 944, the second stripper 945, the second discharging spring 941, Second discharging mandril 942, the second discharging cover board 944 and the second stripper 945 be mutually fixedly set successively from top to bottom second Between 90 and second lower die mechanism 93 of upper die mechanism;Second discharging spring 941 is arranged in the second upper die mechanism 90, its both ends point Do not connect with the second upper die mechanism 90, one end of the second discharging mandril 942, the other end of the second discharging mandril 942 and second unloads 944 upper surface of material cover board connects;The punch-pin guide through hole being adapted with drawing punch-pin 903 is provided with second discharging cover board 944; The cavity plate guide through hole that waste material drawing cavity plate 931 is adapted is provided with and gone out in second stripper 945.
Second lower die mechanism 93 includes lower cavity die fixed plate 932, the second underlay being fixedly installed successively from top to bottom Plate 933, the second lower die seat board 934;Go out the lower end device of waste material drawing cavity plate 931 in the second lower die mechanism 93, the upper end dress Put in cavity plate guide through hole;Second lower die mechanism, 93 bottom is provided with and the row that goes out 931 bottom of waste material drawing cavity plate and be connected Material through hole.
The upper mold back-pressure linkage 91 includes 911 and second back-pressure bar 912 of heavily loaded Rectangular Spring;Heavily loaded Rectangular Spring 911 are arranged in the second upper die mechanism 90, and the one end of its both ends respectively with the second upper die mechanism 90, the second back-pressure bar 912 connects; The other end of second back-pressure bar 912 runs through 932 upper surface of the second discharging cover board 944, the second stripper 945 and lower cavity die fixed plate It is adapted.
Flitch 921, middle load Rectangular Spring 924, middle load rectangle bullet are floated downward including second by the second lower die buoyant mechanism 92 Spring 924 is arranged in the second lower die mechanism 93, and 921 lower face of flitch is floated downward in its both ends with the second lower die mechanism 93, second respectively Connect;Second floats downward the guiding resigning through hole that waste material drawing cavity plate 931 is adapted is provided with and gone out on flitch 921.
The lower die shedding mechanism 94 further includes discharging ring 943 of the device on discharging cover board lower face, discharging ring 943 Inner ring and drawing punch-pin 903 are adapted;The outer ring of discharging ring 943 and cavity plate guide through hole are adapted, and can be received in it.
Second lower die buoyant mechanism 92, which further includes fixing device, to be floated downward the second spring on 921 lower face of flitch second and leads 923 fixing screws 922 of bar, device has the second spring being set in middle load Rectangular Spring 924 to lead in spring guide fixing screws Bar 923.
This drawing part rush upwards the downward waste discharge material class progressive die of bottom outlet further include be arranged on downward drawing waste discharge material station it Upper port chamfering station, side punching station, Detection of Existence station, the necking stations in hole afterwards, fabrication hole punching station and to Between upper stretching station, be pulled up between station and drawing station, upward punching station and downward drawing waste discharge material station it Between, between upper port chamfering station and side punching station, between the Detection of Existence station in side punching station and hole, the presence in hole Between property detection station and necking stations, necking stations and product be both provided with idle station between separating station with material strip.
The operation principle of upward hole punched device is that the first upper die structure is integrally downward first as shown in figure 3, when mould closes Movement, when the first back-pressure bar 842 floats downward flitch 811 with first to be contacted, because the elastic force of nitrogen gas spring is more than first time rectangle bullet The elastic force of spring 814 is fixed untill plank contacts until with lower punch 821 so first floats downward flitch 811 and first start to move downward, First upper die mechanism 80 continues downward motion, and the first nitrogen gas spring 841 starts to compress, and the first back-pressure bar 842 starts to retract, product It is sleeved on lower punch 821 and initially enters punching concave die 833, is oriented to cavity plate 834, untill mould completes closure.
When mould opens backhaul, the first upper die mechanism 80 starts to retract, and the first nitrogen gas spring 841 and head part spring 831 are same When eject, punched scrap is pressed into product by ejector 832, and when the first upper die mechanism 80, to return back to the first nitrogen gas spring 841 complete During pop-up, first, which floats downward flitch 811, starts to float, until float to specified altitude, completes the buoyant and the of the first lower die mechanism 82 The product ejection of one upper die mechanism 80.
The operation principle of downward drawing waste discharge device is the second upper die mechanism 90 first as shown in figure 4, when mould closes Entirety moves downward, when the second back-pressure bar floats downward flitch 921 with second to be contacted, because the elastic force of heavily loaded Rectangular Spring is more than second The elastic force of middle load Rectangular Spring 924 in lower die buoyant mechanism 92 is so second time kickboard first starts to move downward, until with Untill die block 932 contacts, the second upper die mechanism 90 continues downward motion, and heavily loaded Rectangular Spring starts to compress, and second is anti- Compression bar starts to retract, and product, which is sleeved on out on waste material drawing cavity plate 931, initially enters the second stripper 945, followed by convex with drawing 903 contact start of mould carries out deep-drawing deformation to waste material, untill mould completes closure, completes the drawing to waste material and discharge.
Mould opening action principle is similar with upward hole punched device operation principle, is not repeated.
The utility model is exemplarily described above in association with attached drawing.Obviously, the utility model implements not Limited by aforesaid way.As long as employ the various unsubstantialities that the methodology of the utility model and technical solution carry out Improvement;Or it is not improved, above-mentioned design and technical solution by the utility model directly apply to other occasions, at this Within the protection domain of utility model.

Claims (7)

1. a kind of drawing part rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:Its forming station is according to workpiece Processing sequence successively include correcting hole station, fabrication hole punching station, be pulled up station, drawing station, shaping station, to Upper punching station, downward drawing waste discharge material station, product separate station, waste material excision station with material strip,
Drawing station is provided with multiple, divides multistep by workpiece drawing to required size;
Upward punching station is provided with upward hole punched device, it is used for realization the upward of workpiece and not exclusively punches through punching;
Downward drawing waste discharge material station is provided with downward drawing waste discharge device, and downward drawing waste discharge device includes drawing punch-pin With go out waste material drawing cavity plate, it, which is used to waste material is pressed into out waste material drawing cavity plate by drawing punch-pin, is then exhausted from.
2. drawing part according to claim 1 rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:Punching upwards Aperture apparatus includes the reversely drawing of the first upper die mechanism, the first lower die buoyant mechanism, the first lower die mechanism, the first die mechanism, first Deep structure,
The first upper clamping plate that first upper die mechanism includes being fixedly installed successively from top to bottom, the first upper padding plate, on first Mould fixed plate, the first discharging cover board, the first loading and unloading material plate, the first discharging cover board are locked on the first upper mould fixed plate;
First die mechanism includes being arranged on head part spring, the head part being successively set on from top to bottom in the first upper die mechanism Device, punching concave die, be oriented to cavity plate, and punching concave die, which is set, to be oriented to inside cavity plate top, the both ends of head part spring respectively with first on Mold mechanism inner wall, one end of ejector connect, and the other end of ejector is arranged in punching concave die, and ejector is used for after punching Waste material push back workpiece and ejected together with workpiece from cavity plate;
Lower punch fixed plate that first lower die mechanism includes being fixedly installed successively from top to bottom, the first lower bolster, under first Die holder plate, be provided with the first lower die mechanism with punching concave die, be oriented to the lower punch that cavity plate is adapted;
Flitch and the first Rectangular Spring are floated downward including first by the first lower die buoyant mechanism, and first, which floats downward flitch, is arranged on first Between loading and unloading material plate and lower punch fixed plate;First Rectangular Spring is arranged in the first lower die mechanism, its both ends is respectively with first Lower die mechanism, first float downward flitch lower face and connect;First, which floats downward the lower punch for being provided with flitch and being adapted with lower punch, leads To resigning through hole;
The first reverse deep-drawing structure includes the first nitrogen gas spring and the first back-pressure bar being arranged in the first upper die mechanism, the The first upper die mechanism, one end of the first back-pressure bar offset respectively at the both ends of one nitrogen gas spring, and the other end of the first back-pressure bar stretches out First loading and unloading material plate and first floats downward flitch upper surface and connects.
3. drawing part according to claim 2 rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:Under first Mould buoyant mechanism further includes spring guide screw of the fixing device on the first loading and unloading material plate lower face, is filled on spring guide screw It is equipped with the first spring guide being set in the first Rectangular Spring.
4. drawing part according to claim 1 or 2 rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:To Lower drawing waste discharge device, which is set, includes the second upper die mechanism, upper mold back-pressure linkage, the second lower die buoyant mechanism, the second lower die Mechanism, lower die shedding mechanism;
Second upper die mechanism includes the second upper clamping plate, the second upper padding plate, the upper male mould being fixedly installed successively from top to bottom Fixed plate, drawing punch-pin one end fixing device are adapted in upper male mould fixed plate, the other end and drawing cavity plate;
The lower die shedding mechanism includes the second discharging cover board, the second stripper, the second discharging spring, the second discharging mandril, the The second upper die mechanism that two discharging cover boards and the second stripper are mutually fixedly set successively from top to bottom and the second lower die mechanism it Between;Second discharging spring is arranged in the second upper die mechanism, its both ends respectively with the second upper die mechanism, the second discharging mandril one End connects, and the other end of the second discharging mandril and the second discharging cover board upper surface connect;It is provided with and draws in second discharging cover board The punch-pin guide through hole that deep punch-pin is adapted;The cavity plate that waste material drawing cavity plate is adapted is provided with and gone out in second stripper to be oriented to Through hole;
Lower cavity die fixed plate that second lower die mechanism includes being fixedly installed successively from top to bottom, the second lower bolster, under second Die holder plate;Go out the lower end device of waste material drawing cavity plate in the second lower die mechanism, end device is in cavity plate guide through hole thereon;The Two lower die mechanism bottoms are provided with out the discharge through hole that waste material drawing female bottom is connected;
The upper mold back-pressure linkage includes heavily loaded Rectangular Spring and the second back-pressure bar;Heavily loaded Rectangular Spring is arranged on the second upper mold In mechanism, the one end of its both ends respectively with the second upper die mechanism, the second back-pressure bar connects;The other end of second back-pressure bar is through the Two discharging cover boards, the second stripper and lower cavity die dead plate upper end face are adapted;
Flitch, middle load Rectangular Spring are floated downward including second by the second lower die buoyant mechanism, and middle load Rectangular Spring is arranged on second In lower die mechanism, its both ends floats downward flitch lower face with the second lower die mechanism, second respectively and connects;Second floats downward and is set on flitch There is and goes out the guiding resigning through hole that waste material drawing cavity plate is adapted.
5. drawing part according to claim 4 rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:Under described Mould shedding mechanism further includes discharging ring of the device on discharging cover board lower face, and the inner ring and drawing punch-pin of discharging ring are adapted; The outer ring of discharging ring and cavity plate guide through hole are adapted, and can be received in it.
6. drawing part according to claim 5 rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:Under second Mould buoyant mechanism further includes fixing device and floats downward the second spring guide rod fixing screws on flitch lower face, spring guide second Device has the second spring guide rod being set in middle load Rectangular Spring in fixing screws.
7. drawing part according to claim 4 rushes the downward waste discharge material class progressive die of bottom outlet upwards, it is characterised in that:Further include It is arranged on upper port chamfering station after downward drawing waste discharge material station, side punching station, the Detection of Existence station in hole, contracting Neck station, fabrication hole punching station and is pulled up between station, is pulled up between station and drawing station, upward punching work Between position and downward drawing waste discharge material station, between upper port chamfering station and side punching station, side punching station and hole deposit Between property detection station, between the Detection of Existence station and necking stations in hole, necking stations and product separate work with material strip Idle station is both provided between position.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226445A (en) * 2018-09-12 2019-01-18 广东天倬智能装备科技有限公司 Cut waste material stamping die and its application method
CN109530520A (en) * 2019-01-08 2019-03-29 镇江先锋汽车零部件有限公司 A kind of reshaping device of motor housing
CN110238267A (en) * 2019-06-13 2019-09-17 贵州振华华联电子有限公司 A kind of housing part punching die from inside to outside
CN110538922A (en) * 2019-09-17 2019-12-06 上海晨昌精密模具有限公司 progressive die for multiple thinning drawing and reverse drawing
CN111702425A (en) * 2020-06-30 2020-09-25 东风汽车有限公司 Production process of engine blockage product
CN112935078A (en) * 2021-01-22 2021-06-11 苏州三维精密金属制品有限公司 Punching die capable of punching upwards and discharging waste downwards

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226445A (en) * 2018-09-12 2019-01-18 广东天倬智能装备科技有限公司 Cut waste material stamping die and its application method
CN109226445B (en) * 2018-09-12 2023-11-07 广东天倬智能装备科技有限公司 Scrap cutting stamping die and using method thereof
CN109530520A (en) * 2019-01-08 2019-03-29 镇江先锋汽车零部件有限公司 A kind of reshaping device of motor housing
CN110238267A (en) * 2019-06-13 2019-09-17 贵州振华华联电子有限公司 A kind of housing part punching die from inside to outside
CN110538922A (en) * 2019-09-17 2019-12-06 上海晨昌精密模具有限公司 progressive die for multiple thinning drawing and reverse drawing
CN111702425A (en) * 2020-06-30 2020-09-25 东风汽车有限公司 Production process of engine blockage product
CN112935078A (en) * 2021-01-22 2021-06-11 苏州三维精密金属制品有限公司 Punching die capable of punching upwards and discharging waste downwards

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