CN206966432U - A kind of tubing undergauge ironing class progressive die - Google Patents

Abstract

The utility model discloses a kind of tubing undergauge ironing class progressive die, includes rushing correcting hole station successively according to the processing sequence to workpiece, rushes process-cut station, drawing station, shaping station, it is characterised in that：Drawing station includes downward drawing station and downward undergauge ironing station；Drawing station is disposed with multiple downwards, divides multistep to carry out downward drawing to workpiece；Downward undergauge ironing station is located at after downward drawing station, and before shaping station, the undergauge ironing of workpiece is realized on the basis of downward drawing station is to the drawing of workpiece.The utility model can effectively solve the problem that in the prior art has the tubing product of undergauge ironing to common drawing, it is necessary to use how secondary single die tool to carry out the problem of substep is processed again.

Description

A kind of tubing undergauge ironing class progressive die

Technical field

It the utility model is related to a kind of tubing undergauge ironing class progressive die.

Background technology

Progressive die is a kind of advanced mould in punching production at this stage, solves many shortcomings of single die tool, real Working procedures are showed together, and automated production can be carried out.The product of production has crudy good and stability and high efficiency, reduces One line production operation personnel, it is the direction of the present mold design development in China, plays the role of to Die Industry particularly important； For annular undergauge ironing class product, single die tool use distributed operation, first cut out product profile justify carry out again it is general Road drawing and forming, then punching production is carried out the step of carry out hole flanging.If product requires in concentricity and height etc., Especially annular internal-and external diameter difference is smaller, positions the drawing and hole flanging of the product being not easy, cutting as shown in similar Fig. 1 and Fig. 2 Disk after fabrication hole, it has：Common drawing 11, undergauge ironing 12 and hole flanging shaping 13, use either simplex mostly at present Sequence mould is processed, and distribution carries out tubing undergauge ironing etc., also no to complete have downward common drawing to have again simultaneously Undergauge ironing, and internal wall thickness has the tubing undergauge ironing class progressive die of step drop.And single die can only divide Step completes these processes, is processed using more molds, influences the positioning precision of product, adds the difficulty of production process control, It is unfavorable for the control of product quality and production cost.

Utility model content

The purpose of this utility model is to provide a kind of tubing undergauge ironing class progressive die, solves in the prior art to general Logical drawing has the tubing product of undergauge ironing, it is necessary to use how secondary single die tool to carry out the problem of substep is processed again.

Technical scheme is used by the utility model solves its technical problem：A kind of tubing undergauge ironing class is grading Mould, include rushing correcting hole station successively according to the processing sequence to workpiece, rush process-cut station, drawing station, shaping station, Drawing station includes downward drawing station and downward undergauge ironing station；Drawing station is disposed with multiple downwards, point Multistep carries out downward drawing to workpiece；Downward undergauge ironing station is located at after downward drawing station, before shaping station, The undergauge ironing of workpiece is realized on the basis of downward drawing station is to the drawing of workpiece.

Further, downward drawing station includes the first downward drawing station, the second downward drawing station and the 3rd successively Downward drawing station；Rush between process-cut station and the first downward drawing station, the first downward drawing station and second downward Between drawing station, the 3rd pull down and be provided with idle station between deep station and shaping station.

Further, in addition to be successively set on after shaping station punching station, hole flanging station, chamfering station, fall Material station, cut waste station；Idle station is provided between punching station and hole flanging station.

Further, downward drawing station is provided with common deep-drawing structure, and undergauge ironing station is provided with undergauge change Thin deep-drawing structure, for common deep-drawing structure and undergauge ironing structure setting in same group of template, the template includes lower mould, can Move up and down the upper mould being arranged on lower mould, the lower end of upper mould to be fixedly installed downward drawing punch-pin and undergauge ironing convex Mould；Lower mould upper end is provided with the drawing cavity die structure being adapted with downward drawing punch-pin, and undergauge ironing punch-pin is adapted Ironing cavity die structure；When upper die and lower die close, between downward drawing punch-pin and drawing cavity die structure, the thinning drawing of undergauge The die cavity being adapted with workpiece is formed between deep punch-pin and ironing cavity die structure；It is provided with lower mould and drawing cavity plate The interior discharging structure that structure, ironing cavity die structure are adapted；Lower fixed discharging structure is additionally provided between lower mould and upper mould.

Further, upper mould includes upper clamping plate, upper padding plate and the upper mould fixed plate fixed successively from top to bottom, and drawing is convex One end fixing device of mould and undergauge ironing punch-pin is in upper mould fixed plate.

Further, lower mould includes die shoe plate, lower backboard, lower bolster, the concave template fixed successively from bottom to top, drawing Cavity die structure includes the drawing cavity plate being arranged in concave template, and ironing cavity die structure includes being arranged on being placed on from top to bottom Ironing cavity plate, cavity plate cushion block, cavity plate crushing block, cavity plate in concave template match somebody with somebody high block.

Further, fixed discharging structure includes discharging backboard, the discharging being arranged between concave template and upper mould fixed plate Plate, discharging backboard are arranged on the top of stripper；Also include being fixedly installed on the additional backing plate below die shoe plate, add backing plate First accommodating chamber extended in lower mould is inside formed, ejector spring, the bottom of ejector spring are provided with the first accommodating chamber Portion props up the bottom of accommodating chamber, and top is provided with fix bar, and the other end of fix bar stretches out from lower mould to be fixed on stripper；It is recessed Template-setup has the first guide through hole being adapted with fix bar, and bottom of fixed diameter is more than the internal diameter of the first guide through hole； Discharging backboard and stripper are provided with the guide through hole being adapted with downward drawing punch-pin, undergauge ironing punch-pin.

Further, add in backing plate and also form two the second accommodating chambers extended in lower mould, the second accommodating chamber is certainly It is upper down to be respectively arranged with discharging spring, discharging spring in die shoe plate, lower backboard, lower bolster, two the second accommodating chambers Top be provided with push rod, the die cavity that two push rods are molded with drawing cavity plate, ironing cavity plate respectively is adapted；The bottom of push rod Portion's diameter is more than drawing cavity plate, the internal diameter for the die cavity that ironing cavity plate is molded.

Further, fixed discharging structure also includes the contiguous block being arranged in stripper, and the top insertion of fix bar is unloaded In flitch in 5mm, the screw for locking contiguous block and fix bar from top to bottom is provided with discharging backboard.

Further, ejector spring is Rectangular Spring, and discharging spring is nitrogen spring.

The beneficial effects of the utility model：By set downward drawing punch-pin, undergauge ironing punch-pin, drawing cavity plate, Common setup for drawing parts and undergauge ironing device are integrated together and form tubing undergauge ironing by ironing cavity plate Class progressive die, the correlation technique in this technology using single die to tubing product drawing, play accurate, more work(of progressive die Can, high-effect advantage, can high-volume continuous production, and solve well single die tool some shortcomings, reduce Semi-finished product in either simplex sequence production process are moved, and reduce manufacturing procedure, mitigate the labor intensity of personnel, improve processing essence Degree, plays an important role to the stabilization of product quality.Cost effectively is reduced, improves factory's benefit.

Below with reference to drawings and examples, the utility model is described in detail.

Brief description of the drawings

Fig. 1 is the front view for cutting the disk after fabrication hole.

Fig. 2 is the top view for cutting the disk after fabrication hole.

Fig. 3 is technique Layout of the present utility model.

Fig. 4 is structural representation when the utility model closes.

Fig. 5 is structural representation when the utility model is opened.

Embodiment

Embodiment 1, the tubing undergauge ironing class progressive die is further described according to Fig. 1 to Fig. 5, specifically such as Under：In the product with tubing undergauge ironing, whole processing process g1 to g19 totally 19 stations have been divided into. Wherein：G1 stations are to rush correcting hole；Correcting hole is in order to which station below can be accurately positioned, and rushes the holes of φ 4.03；G2 works Position is to rush process-cut；By the use of the correcting hole above gone out as being accurately positioned, remaining process-cut is gone out；G3~g4 stations are Idle station；Enough spaces are reserved for the distribution of later procedure；G5 stations are the downward station of drawing 1；Downward drawing goes out internal diameter φ 43.6 tubular；G6~g7 stations are idle station；In order to which anti-stopping materials strip deforms, prevent to pull material phenomenon；G8 stations be to The lower station of drawing 2；Downward drawing goes out internal diameter φ 35.1 tubular；G9 stations are the downward station of drawing 3；Downward drawing goes out internal diameter φ 27.0 tubular；G10 stations are downward undergauge ironing；Ironing by φ 24.40 punch-pin and internal diameter φ 26.28 is recessed Mould, drawing go out required tubular；G11~g12 stations are idle station；Enough spaces are reserved for the distribution of later procedure；G13 works Position is shaping station, and g14 stations are punching station；Go out the bottom outlets of φ 8.7；G15 stations are idle station；For point of later procedure Cloth reserves enough spaces；G16 stations are hole flanging station；G17 stations are chamfering station；G18 stations are blanking station；Make needs Product cut off and separate from material strip, fallen from die shoe downwards；G19 stations are to cut waste station；It is unnecessary to cut off Waste material；This 19 stations just complete the continuous punching shaping of whole cylinder product more than.

Innovation of the present utility model, except it is foregoing to whole processing technology in each station arrangement in addition to, also reside in g4, The design of the annular and upward undergauge ironing device of the downward drawing of g8 stations, below mainly in combination with Fig. 4, Fig. 5 to tubing undergauge Ironing device illustrates.

From Fig. 4 and Fig. 5, the inclined-plane aperture apparatus that rushes in present embodiment includes：It is upper mould 80, lower mould 81, lower solid Determine discharging structure 82, interior discharging structure 83,84.

The tubing undergauge ironing structure is predominantly located between mould 80 and lower mould 81, with lower fixed discharging structure 82nd, interior discharging structure 83,84 is set together, specific implementation method：In common deep-drawing structure, upper mould 80 is dynamic model, when being fixed on Drawing punch-pin on upper mould fixed plate 803 enters material strip from the stripper 822 in lower fixed discharging structure 82 by guide, then After being contacted with concave template 816, be fixed on drawing punch-pin 804,805 in upper mould fixed plate 803 continue downwards with the push rod in 83 831 first push down material, then proceed to be downwardly into drawing cavity plate 815, complete the action of common drawing；At the same time it is thinning in undergauge In deep-drawing structure, the drawing punch-pin 804,805 being fixed in upper mould fixed plate 803 continues first to press with the push rod 831 in 84 downwards Firmly expect, then proceed to be downwardly into undergauge ironing cavity plate, complete the action of common drawing；It is solid during upper mould 80 is downward Fixed board plate lower surface touches the upper surface of the discharging backboard 821 in 82 times fixed discharging structures, and discharging backboard in pushing down 82 821 move downward with stripper 822, with the closure of mould, are finally completed common drawing and undergauge ironing；Interior discharging knot After the completion of structure 83 plays common drawing, effect that material strip is released out of die plate insert.It is thinning that interior discharging structure 84 plays undergauge After the completion of drawing, effect that material strip is released out of die plate insert.Wherein interior discharging structure 83 (84) is located in lower mould 81, lower solid The latter half of discharging structure 82 is determined in lower mould 81, and top half is between upper mould 80 and lower mould 81.

The upper mould 80 includes：Upper clamping plate 801, upper padding plate 802 and the three of upper mould fixed plate 803 are from the top down by pin And screw locking, drawing punch-pin 804 and undergauge ironing punch-pin are mounted in upper mould fixed plate 803.Wherein upper padding plate 802 is selected The material of higher hardness is made.When this class formation simplifies the structure of mould 80 and is easily installed debugging and later stage production and processing Change spare part.

The lower mould 81 includes：Ironing cavity plate 811, cavity plate cushion block 812, cavity plate crushing block 813, cavity plate match somebody with somebody high block 814th, drawing cavity plate 815, concave template 816, lower bolster 817, lower backboard 818, die shoe plate 819；It is ironing cavity plate 811, recessed Die-cushion block 812, cavity plate crushing block 813, cavity plate, by being subsequently placed at from top to bottom in concave template 816, use briquetting with high block 814 810 fix with screw, wherein wherein concave template 816, lower bolster 817, lower backboard 818, die shoe plate 819 4 from the top down by Pin and screw locking, drawing cavity plate 815 are fixed in concave template 811 with plug screw；Wherein ironing cavity plate 811 uses wolfram steel Material simultaneously does coating treatment；Drawing cavity plate 815 is using DC53 materials and must do titanizing processing；Lower bolster 817 selects higher hardness Material be made.This class formation simplifies the structure of lower mould 81 and changed when being easily installed debugging and later stage production and processing standby Part.

The lower fixed discharging structure 82 includes：Discharging backboard 821, stripper 822, contiguous block 823, fix bar 824, square Shape spring 825 and additional backing plate 826；Wherein discharging backboard 821, stripper 822 are by order screw lock from top to bottom, connection Block 823 is placed in stripper 822, fix bar 824 from top to bottom through die shoe plate 819, lower backboard 818, lower bolster 817, Concave template 816, its upper end boss insert 5mm in stripper 822, lock contiguous block 823 and fix bar from top to bottom with screw 824；The upper surface of Rectangular Spring 825 is withstood in the lower surface of fix bar 824, and the lower surface of Rectangular Spring 825 is pressed in additional backing plate In 826 counterbore；Lower fixed discharging structure 822 up and down reciprocatingly moves along a straight line with upper mould 80, when the mold is closed fix bar 824 stress simultaneously make Rectangular Spring 825 compress contracting receipts；After the completion of tubing undergauge ironing, Rectangular Spring 825 passes through fix bar 824 eject discharging backboard 821 and stripper 822, and as upper mould 80 up and down reciprocatingly moves along a straight line together, when mould is opened Drawing punch-pin 804,805 is deviate from from drawing punch-pin 804,805 material strip with the mode of hard de- material.

The interior discharging structure 83 is used for after the completion of common drawing, when mould is opened by product out of drawing cavity plate 815 Ejection, including：Push rod 831, discharging spring 832, add-in card 833, they by being sequentially placed from top to bottom.Interior discharging structure 83 is set In the receiving hole for the lower mould 81 put；And the lower end elastic reaction of interior discharging structure 83 is in add-in card 833, upper end then elastic reaction in Material strip.

The interior discharging structure 84 is used for after the completion of undergauge ironing, when mould is opened that material strip is recessed from ironing Ejected in mould 811, including：Push rod 841, nitrogen spring 842, add-in card 843 are pushed up, they by being sequentially placed from top to bottom.Inside unload Expect in the receiving hole for the lower mould 81 that structure 84 is set；And the lower end elastic reaction of interior discharging structure 84, in add-in card 844, upper end is then Elastic reaction is in material strip.

Mould close when, upper mould 80 moves downward with lower fixed discharging structure 82, to it is as shown in Figure 5 when, by upper mould 80 Interior drawing punch-pin 804,805 is from the stripper 822 in lower fixed discharging structure 82 by and importing material strip, then downwards After being contacted with concave template 816, the punch-pin 805 being fixed in upper mould fixed plate 803 continues first to push down with the bar of top 831 in 83 downwards Material, then proceedes to be downwardly into drawing cavity plate 815, completes the action of common drawing；At the same time in undergauge ironing structure In, the punch-pin 804 that is fixed in upper mould fixed plate with the ejector pin contact in 84 and pushing down material, then proceedes to be downwardly into contracting downwards Footpath ironing cavity plate 811, cavity plate cushion block 812, cavity plate crushing block 813, cavity plate complete undergauge ironing with high block 814 Action；Discharging backboard in touching 82 times fixed discharging structures in the plate lower surface of fixed plate 803 during upper mould 80 is downward 821 upper surface, and discharging backboard 821 moves downward with stripper 822 in pushing down 82, with the closure of mould, is finally completed Common drawing and undergauge ironing；Upper abjection is now as shown in figure 4, mould closes completely.

When mould is opened, upper mould 80 starts to move upwards, with the opening of mould, the company in 82 times fixed discharging structures 82 Extension bar 824 withstands on when the lower surface of stripper 822 moves upward to fixed 50mm in the presence of discharging spring 825 and fixed not Dynamic, the drawing punch-pin 804,805 being now fixed in upper mould fixed plate 803 continues up, and makes material strip from drawing punch-pin 804th, deviate from 805；Simultaneously push rod 831 in the presence of discharging spring 832, add-in card 833 by material strip from drawing cavity plate 815 Release；Push rod 841 releases material strip in the presence of nitrogen spring 842, add-in card 843 out of undergauge ironing 811；Such as figure When shown in 5, up moved with upper mould, until mould is opened completely, this completes a working cycles.Hereafter, expect Take a station of advancing from front to back and continue as above step.

The utility model is exemplarily described above in association with accompanying drawing.Obviously, the utility model implements not Limited by aforesaid way.As long as employ the various unsubstantialities that methodology and technical scheme of the present utility model are carried out Improvement；Or it is not improved, above-mentioned design of the present utility model and technical scheme are directly applied into other occasions, at this Within the protection domain of utility model.

Claims (10)

1. a kind of tubing undergauge ironing class progressive die, include rushing successively according to the processing sequence to workpiece correcting hole station, Rush process-cut station, drawing station, shaping station, it is characterised in that：Drawing station includes downward drawing station and downwards contracting Footpath ironing station；Drawing station is disposed with multiple downwards, divides multistep to carry out downward drawing to workpiece；Downward undergauge becomes Thin drawing station is located at after downward drawing station, before shaping station, on the basis of downward drawing station is to the drawing of workpiece Realize the undergauge ironing of workpiece.

2. tubing undergauge ironing class progressive die according to claim 1, it is characterised in that：Downward drawing station is successively Deep station is pulled down including the first downward drawing station, the second downward drawing station and the 3rd；Rush process-cut station and first Between downward drawing station, between the first downward drawing station and the second downward drawing station, the 3rd pull down deep station and whole Idle station is provided between shape station.

3. tubing undergauge ironing class progressive die according to claim 2, it is characterised in that：Also include being successively set on Punching station, hole flanging station, chamfering station, blanking station after shaping station, cut waste station；Punching station and hole flanging work Idle station is provided between position.

4. the tubing undergauge ironing class progressive die according to claims 1 to 3 any one, it is characterised in that：Downwards Drawing station is provided with common deep-drawing structure, and undergauge ironing station is provided with undergauge ironing structure, common drawing knot In same group of template, the template includes lower mould, can move up and down and be arranged on lower mould for structure and undergauge ironing structure setting Upper mould, the lower end of upper mould is fixedly installed downward drawing punch-pin and undergauge ironing punch-pin；Lower mould upper end be provided with and The drawing cavity die structure that downward drawing punch-pin is adapted, and the ironing cavity die structure that undergauge ironing punch-pin is adapted； Upper die and lower die close when, between downward drawing punch-pin and drawing cavity die structure, undergauge ironing punch-pin and ironing it is recessed The die cavity being adapted with workpiece is formed between mode structure；It is provided with lower mould and drawing cavity die structure, ironing cavity plate The interior discharging structure that structure is adapted；Lower fixed discharging structure is additionally provided between lower mould and upper mould.

5. tubing undergauge ironing class progressive die according to claim 4, it is characterised in that：Upper mould is included from top to bottom Dress is fixed in one end of fixed upper clamping plate, upper padding plate and upper mould fixed plate successively, drawing punch-pin and undergauge ironing punch-pin Put in upper mould fixed plate.

6. tubing undergauge ironing class progressive die according to claim 5, it is characterised in that：Lower mould is included from bottom to top Fixed die shoe plate, lower backboard, lower bolster, concave template successively, drawing cavity die structure include the drawing being arranged in concave template Cavity plate, ironing cavity die structure include be arranged on the ironing cavity plate being placed on from top to bottom in concave template, cavity plate cushion block, Cavity plate crushing block, cavity plate match somebody with somebody high block.

7. tubing undergauge ironing class progressive die according to claim 6, it is characterised in that：Fixed discharging structure includes Discharging backboard, the stripper being arranged between concave template and upper mould fixed plate, discharging backboard are arranged on the top of stripper；Also wrap The additional backing plate being fixedly installed on below die shoe plate is included, first receiving extended in lower mould is formed in additional backing plate Chamber, ejector spring is provided with the first accommodating chamber, the bottom of ejector spring props up the bottom of accommodating chamber, and top is provided with fixation Bar, the other end of fix bar stretches out from lower mould to be fixed on stripper；Concave template is provided with first be adapted with fix bar and led To through hole, bottom of fixed diameter is more than the internal diameter of the first guide through hole；Discharging backboard and stripper are provided with and downward drawing The guide through hole that punch-pin, undergauge ironing punch-pin are adapted.

8. tubing undergauge ironing class progressive die according to claim 7, it is characterised in that：Also it is molded in additional backing plate There are two the second accommodating chambers extended in lower mould, the second accommodating chamber runs through die shoe plate, lower backboard, lower bolster from bottom to top, Discharging spring is respectively arranged with two the second accommodating chambers, is provided with push rod at the top of discharging spring, two push rods respectively and are drawn Deep cavity plate, the die cavity of ironing cavity plate shaping are adapted；The base diameter of push rod be more than drawing cavity plate, ironing cavity plate into The internal diameter of the die cavity of type.

9. tubing undergauge ironing class progressive die according to claim 7, it is characterised in that：Fixed discharging structure also wraps Include the contiguous block being arranged in stripper, in the top insertion stripper of fix bar in 5mm, be provided with discharging backboard for from The screw of upper and lower locking contiguous block and fix bar.

10. tubing undergauge ironing class progressive die according to claim 8, it is characterised in that：Ejector spring is rectangle Spring, discharging spring are nitrogen spring.