CN109127876A - The punching die mould method of punch-forming mold and workpiece - Google Patents
The punching die mould method of punch-forming mold and workpiece Download PDFInfo
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- CN109127876A CN109127876A CN201710455637.3A CN201710455637A CN109127876A CN 109127876 A CN109127876 A CN 109127876A CN 201710455637 A CN201710455637 A CN 201710455637A CN 109127876 A CN109127876 A CN 109127876A
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- 238000004080 punching Methods 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 28
- 238000000429 assembly Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 21
- 238000000605 extraction Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 8
- 230000001788 irregular Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000009747 press moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/243—Perforating, i.e. punching holes in profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of punching die mould method of punch-forming mold and workpiece, punch-forming mold includes: cavity plate component, punch assemblies and an at least plate, and cavity plate component includes the multiple cavity plates being embedded in die block；Punch assemblies include: the multiple punch-pin being mounted in punch retainer, an at least punch-pin is changeable punch-pin and is slidably mounted in punch-pin switching hole, an at least plate pad is inserted into slot in the top of changeable punch-pin, plate, and slot is connected to punch-pin and switches hole.Punching die mould method is that the plate that can be pulled and pushed is arranged in the top of the punch-pin at least one to realize punching or die mould, carries out repeatedly continuous punching or die mould to workpiece and selectively taking out, inserting the plate.The punch-forming mold and method can on workpiece multiple closely located holes or multiple groups distribution is irregular and equidistant or non-equidistant combination bore carries out being switched fast on a mold punching or molded, improve the efficiency of punching and die mould.
Description
Technical field
The present invention relates to a kind of mold more particularly to a kind of punch-forming molds.
Background technique
In industrial production, some components have multiple identical or different hole to be punched, and have the pitch-row of some holes very
Closely, as shown in Figure 1, there are four circular hole 122 to be punched and a square hole 123 to be punched, two of them circles for tool on the workpiece
The distance H of the pitch-row square hole is close, probably only more than ten millimeters, realizes that multiple holes are disposably punched in advance, need to be in mold moving template
Cover concave-convex molds with intensively designing on solid plate more, one hole of the corresponding punching of every set concave-convex mold, but hole closer for pitch-row, it is adjacent
It is intended to be designed extremely compact between punch-pin between the cavity plate of mold, and cavity plate or punch-pin are excessively compact to make between mold
Interval too small, impact resistance is poor, influences concave-convex mold service life.
Also or, some workpiece have the type hole that is combined into of the equidistant and non-equidistant of many irregular distributions, and in a row
Or at column distribution hole it is in varying numbers (as shown in Figure 7 and Figure 8), common practice requires design multiple sets of molds to realize product
Molding.Such as: all holes to be punched on components being divided into multiple groups and are punched out (molded) in batches, that is, first with a set of
One group of hole of Dies ' Blanking (molded) finishes to this group of hole punching (molded), then is replaced with another mold, carries out another group
Hole punching, until all holes punching finishes.And die change is required to manually remove one set of die, is loaded on another cover die
Tool, takes time and effort, seriously occupies punching machine, inefficiency.
Summary of the invention
The technical problem to be solved in the present invention, which essentially consists in, provides a kind of punch-forming mold, with improve workpiece punching and/
Or the efficiency of die mould.
The technical problem to be solved in the present invention, which essentially consists in, provides a kind of punching die mould method of workpiece, to improve workpiece punching
The efficiency of hole and/or die mould.
In order to solve the above technical problems, the present invention provides a kind of punch-forming mold, comprising: cavity plate component, punch assemblies,
At least a plate and power mechanism, cavity plate component include: die block and multiple cavity plates for being embedded in die block；
Punch assemblies are mounted on the top of the cavity plate component comprising: punch retainer and be mounted on it is multiple in punch retainer
There is the punch-pin of at least one perforation to switch hole for punch-pin, the punch retainer, and an at least punch-pin is changeable punch-pin and slidably
Ground is mounted in each punch-pin switching hole；The multiple punch-pin is coaxial opposite respectively with the multiple cavity plate and matches；At least
One plate pad is inserted into slot in the top of the changeable punch-pin, the plate, and the slot is connected to the punch-pin switching
Hole.More preferably, punch-pin switching hole includes the first through hole and the second through-hole of coaxial communication, and the diameter of the first through hole is big
A step is formed between the diameter of second through-hole, the first, second through-hole；Described changeable punch-pin one end is radially
It protrudes and forms limit hanging platform, the limit hanging platform matches with the step and prevents the changeable punch-pin disengaging described convex
Cross cutting changes hole.
More preferably, the punch assemblies further include the discharging between the punch retainer and the die block
Plate, the stripper flexible fastening have penetrating for punch-pin head end for multiple perforations in the punch retainer, the stripper
Or the limit hole being pierced by, the head end one-to-one correspondence of each punch-pin are interspersed in each limit hole.
More preferably, the punch retainer inlays an at least elastic component, and the elastic component stretches out in the punch retainer
One end mutually fixed with the stripper.
It more preferably, further include punch-pin seat board and cavity plate seat board, the punch assemblies and the cavity plate component are located at convex mould base
Between plate and cavity plate seat board, the punch retainer is directly or indirectly fixed on the punch-pin seat board, the die block
Directly or indirectly it is fixed on the cavity plate seat board.
More preferably, the punch assemblies further include convex mould pad, the convex mould pad be located at the punch-pin seat board with it is described
Between punch retainer；The cavity plate component further includes cavity plate backing plate, the cavity plate backing plate be located at the cavity plate seat board with it is described
Between die block；The slot is provided on the convex mould pad.
More preferably, the guide sleeve for further including guide post and being set in outside guide post, the guide post and the guide sleeve are individually fixed in
The cavity plate seat board and the punch-pin seat board, the axial direction of the guide pillars and bushes and the axial direction of concave-convex mold are consistent.
More preferably, further includes: be connected with the plate and drive the plate extraction or be inserted into the engine of the slot
Structure.
More preferably, the power mechanism includes: the cylinder rod and cylinder body being fixedly linked with the plate, and cylinder body is installed on
In one cylinder mounting base.
It more preferably, further include the positioning mechanism to position workpiece for being located at the cavity plate component at least side, it is described fixed
Position mechanism includes: positioning seat and contacting the positioning plate for supporting workpiece, is connected to the positioning plate adjustable angle described
Positioning seat.
More preferably, the head end of the plate is provided with guiding surface and keeps the plate head end wedge shaped.
More preferably, at least punch-pin in the punch assemblies be fixed on it is fixed convex on the punch retainer
Mould, the distance between the changeable punch-pin and the fixed punch-pin are greater than to the hole between the corresponding aperture in punch workpiece
Away from.
More preferably, all punch-pin in the punch assemblies are changeable punch-pin.
More preferably, an at least punch-pin is punching die, and/or, an at least punch-pin is casted die mould.
In order to solve the above technical problems, including the following steps: the present invention also provides a kind of punching die mould method of workpiece
The plate that setting can pull and push on the top of at least one punch-pin to realize punching or die mould is located at when plate pumps
Punch-pin below the plate can give up the throne upwards and in can not punching press off working state；When plate insertion, it is located at the plate
The punch-pin of lower section be in can punching press working condition；
The working condition for repeatedly switching each punch-pin and selectively taking out, inserting the plate carries out multiple continuous punching to workpiece
Hole or die mould.
Compared with prior art, the invention has the following beneficial effects: the application to pass through to some or all convex of mold
Mould designs the slot that can make a concession, and plate is designed in slot, when die punching, extraction section plate may be selected or all insert
Plate, and the mold for extracting plate out is made to be in off working state, other molds are in running order, to be connected to workpiece in batches
Continuous punching, enables multiple closely located holes on workpiece to carry out being switched fast punching on a mold, substantially increases
Punching efficiency.On the other hand, mold integration is also achieved, multiple sets of molds are integrated into one set of die, by selectively taking out, inserting
Plate and efficiently realize mold switch, be transformed into one set of die can successively and cover different molds more, thus efficiently to zero
A variety of equidistant or non-equidistant, rule or irregular distribution holes on part carry out continuous stamping or die mould.
Detailed description of the invention
Fig. 1 is that the first waits for the main view of punch workpiece.
Fig. 2 is the sectional view shown in Fig. 1 to punch workpiece.
Fig. 3 is the first angle sectional view of the punch-forming mold of first embodiment.
Fig. 4 is the second angle sectional view of punch-forming mold shown in Fig. 3 (arrow direction is that plate pulls and pushes direction in figure).
Fig. 5 is the punch assemblies structure chart of punch-forming mold shown in Fig. 3.
Fig. 6 is that (arrow direction is workpiece feeding side in figure for punching state diagram on workpiece punch-forming mold shown in Fig. 3
To).
Fig. 7 is second of schematic front view to punching and the workpiece of die mould；
Fig. 8 is the sectional view along A-A of Fig. 7；
Fig. 9 is the schematic front view of the punch-forming mold of second embodiment；
Figure 10 is the schematic side view of the punch-forming mold of second embodiment (arrow direction is that plate pulls and pushes direction in figure)；
Figure 11 is the cavity plate component of the punch-forming mold of second embodiment and the schematic top plan view of cavity plate seat board.
The reference numerals are as follows:
1, workpiece；11, upper flange 12, web；13, lower wing plate；122, circular hole；123, square hole；
2, workpiece；21, molding hole to be punched；211, through-hole；212 flange；4, punch-forming mold；41, punch-pin seat board, 431, it is convex
Mould fixed plate；432, round punch；433, rectangular punch-pin；434, convex mould pad, 435 piercing punches；436 die mould punch-pin；437,
Punching concave die；438 die mould cavity plates；441, guide sleeve；442, guide post；45, plate；451, slot；452, guiding surface；461, cavity plate
Fixed plate；462, round cavity plate；463, rectangular cavity plate；464, cavity plate backing plate；47, stripper；471, limit hole；481, it positions
Seat；482, positioning plate；483, adjusting screw；49, cavity plate seat board.
Specific embodiment
Principle and structure in order to further illustrate the present invention carry out the preferred embodiment of the present invention now in conjunction with attached drawing detailed
It describes in detail bright.
The continuous stamping in multiple holes of the punch-forming mold of the application to realize workpiece and/or molded below will
In conjunction with one to punch workpiece 1, the structure of the punch-forming mold of the first embodiment of the application is described in detail.
As depicted in figs. 1 and 2, should to punch workpiece 1 be I-steel, the I-steel include: upper flange 11, lower wing plate 13 with
And it is vertically connected on the web 12 between upper flange 11 and lower wing plate 13, there are multiple holes to be punched on web 12.Wherein
There are multiple closely located holes close to right end position in figure, that is, the lesser circular hole 122 of four diameters and an opening are biggish
Square hole 123.
Refering to Fig. 3 and Fig. 4, which includes: punch-pin seat board 41, cavity plate seat board 49, punch assemblies, cavity plate
Component, plate 45, power mechanism, guidance set and positioning mechanism.
Punch-pin seat board 41 and cavity plate seat board 49 are parallel to each other simultaneously relatively, and punch-pin seat board 41 is to solid punch component, cavity plate
Seat board 49 is to anchor membrane module.In the present embodiment, punch-pin seat board 41 is located at the top of cavity plate seat board 49.
Punch assemblies and cavity plate component are between punch-pin seat board 41 and cavity plate seat board 49.Punch assemblies are fixed on convex mould base
On plate 41, cavity plate component is fixed on cavity plate seat board 49, and the workpiece 1 to punching is set between cavity plate component and punch assemblies, convex
Die holder plate 41 can drive under external force punch assemblies to the direction of cavity plate component push and act on workpiece 1, to workpiece 1 into
Row punching.It is discussed in detail how punch-forming mold realizes porous continuous stamping below with reference to attached drawing.
Refering to Fig. 3 and Fig. 4, punch assemblies include punch retainer 431, be mounted on it is multiple convex in punch retainer 431
Mould, convex mould pad 434 and stripper 47.
Multiple punch-pin mounting holes, each punch-pin mounting hole one punch-pin of corresponding installation are set on punch retainer 431.Wherein extremely
A few punch-pin mounting hole is that punch-pin switches hole, and an at least punch-pin is changeable punch-pin, other punch-pin are non-changeable punch-pin, punch-pin
Switch hole and penetrate through punch retainer 431, changeable punch-pin is mounted in punch-pin switching hole and can be axially sliding along punch-pin switching hole
Dynamic, remaining non-changeable punch-pin is embedded in the punch-pin mounting hole of punch retainer 431.
In the present embodiment, each punch-pin is piercing punch, comprising: four 432 Hes of round punch to be punched circular hole 122
One rectangular punch-pin 433 to be punched square hole 123, wherein round punch 432 is changeable punch-pin, and rectangular punch-pin 433 is non-
Changeable punch-pin, four round punches 432 are separately mounted in four circular punch-pin switching holes and can slide along the hole, rectangular
Punch-pin 433 is embedded in rectangular punch-pin mounting hole.
Refering to Fig. 5, the punch-pin to install round punch 432 switches 4311 He of first through hole that hole includes: coaxial communication
Second through-hole 4312, the diameter of first through hole 4311 are greater than the diameter of the second through-hole 4312, first through hole 4311 and the second through-hole
A step is formed between 4312.The round punch 432 of changeable punch-pin, that is, the present embodiment, one end are punch 4324, separately
One end is radially prominent and forms limit hanging platform 4311, when changeable punch-pin (round punch 432) is installed on punch-pin switching
Kong Shi, limit hanging platform 4311 match with step and changeable punch-pin (round punch 432) are prevented to be detached from punch-pin switching hole.
Refering to Fig. 3 and Fig. 4, punch retainer 431 is mounted on punch-pin seat board 41 by convex mould pad 434, convex mould pad
434 between punch-pin seat board 41 and punch retainer 431.Convex mould pad 434 and punch retainer 431 are in turn secured to punch-pin
Seat board 41.
Plate 45 is mounted on the pad of punch retainer 431 on the top of each round cavity plate 432.Have extremely on convex mould pad 434
A few slot 451, plate 45 are inserted into slot 451 and can exit from slot 451 in wherein reciprocal inserting or insert again
Enter slot 451.The punch-pin that slot 451 is connected to punch retainer 431 switches hole.The height of slot 451 is not less than the thickness of workpiece 1
Degree.
Each slot 451 one plate 45 of corresponding installation, the quantity of slot 451 can switch quantity and the position in hole according to punch-pin
It sets and determines, in the present embodiment, there are two the tools of slot 451, and one of slot 451 is located at the upper of two circular punch-pin switching holes
Fang Bingyu two punch-pin switches hole connection, another slot 451 is located at the top in another two punch-pin switching hole and communicates therewith.When slotting
When plate 45 is inserted into slot 451, one of pad of plate 45 is in the top of wherein two round punches 432, another plate 45
Pad is in the top of another two round punch 432.
Preferably, the head end of plate 45 is provided with guiding surface 452 and keeps 45 head end of plate wedge shaped.When plate 45 is inserted into
When slot 451, sharper wedge-shaped head end is easy in insertion slot 451, right using guiding surface 452 as head end continues into
Plate 45 constitutes mobile guide, is inserted into plate 45 smoothly in slot 451.
Multiple cavity plates and the die supporter that cavity plate component includes: die block 461, is embedded in die block 461
Plate 464.Die block 461 is parallel with punch retainer 431 and opposite.Die block 461 is mounted on punch retainer 431
Lower section.Multiple cavity plate fixation holes are set on die block 461, it is solid that multiple cavity plates are mounted on each cavity plate correspondingly respectively
Determine in hole.
Multiple punch-pin are simultaneously coaxial opposite with multiple cavity plates one-to-one correspondence, and coaxial opposite punch-pin and cavity plate match.This
In embodiment, fixed on die block 461 there are four round cavity plate 462 and a rectangular cavity plates 463.Each cavity plate all have with
The shrinkage pool that the formed punch of punch-pin matches, the shrinkage pool matched with round punch 432 are round hole, are matched with rectangular punch-pin 433
Shrinkage pool be square hole.
Die block 461 is mounted on cavity plate seat board 49 by cavity plate backing plate 464, and cavity plate backing plate 464 is located at die socket
Between plate 49 and die block 461.Cavity plate backing plate 464 and die block 461 are in turn secured to cavity plate seat board 49.
Stripper 47 is mounted between punch retainer 431 and die block 461, and 47 flexible fastening of stripper is in punch-pin
In fixed plate 431.
Punch retainer 431 inlays an at least elastic component, and elastic component stretches out in one end and the stripper of punch retainer 431
47 phases are fixed.Elastic component can be metal spring, gas spring or elastic plastic, can also be that all are flexible in the prior art
Object.
The limit hole 471 of multiple perforations is set on stripper 47, each punch-pin one-to-one correspondence is interspersed in each limit hole 471.
Limit hole 471 is just traversed into or out for punch-pin head end.
Guidance set includes guide post 442 and the guide sleeve being set in outside guide post 442 441, and guide post 442 and guide sleeve 441 are mutual
Be socketed and can opposite sliding, the axial direction and concave-convex mold of guide post 442 and guide sleeve 441 it is axial unanimously.Guide post 442 and guide sleeve 441
It is individually fixed in punch-pin seat board 41 and cavity plate seat board 49, guide post 442 can be fixed on to cavity plate seat board 49, guide sleeve 441 is fixed on convex
Guide post 442 can also be fixed on punch-pin seat board 41 in turn by die holder plate 41, and guide sleeve 441 is fixed on cavity plate seat board 49.When
When punch-pin seat board 41 rises or falls together with punch assemblies, guide post 442 and guide sleeve 441 constitute punch-pin seat board 41 and punch assemblies
Mobile guide, it is ensured that punch-pin and groove axle center are aligned always.
Positioning mechanism is mounted on cavity plate seat board 49, and positioning mechanism is to position workpiece 1 comprising: positioning seat 481 and
Positioning plate 482.Positioning seat 481 is fixed on cavity plate seat board 49, positioning plate 482 stand on cavity plate seat board 49 and with positioning seat 481
It is mutually fixed.The mountable side in cavity plate component of positioning mechanism and support positioning workpiece 1 side, it is also mountable in cavity plate component
Two sides and 1 two sides of workpiece are positioned.Positioning plate 482 supports the side of contact workpiece 1, in 1 moving process of workpiece
In workpiece 1 is positioned, prevent workpiece from wandering off.
It is connected to positioning seat 481 to 482 adjustable angle of positioning plate.Specifically, pacify between positioning plate 482 and positioning seat 481
Two rows of adjusting screws 483 are filled, unscrews or tightens wherein row's adjusting screw 483 and be adjusted between positioning plate 482 and positioning seat 481
Setting angle, and then adjust positioning plate verticality, it is ensured that 1 flat sides of workpiece.
Power mechanism is connected with plate 45 and plate 45 is driven to extract or be inserted into slot 451, cut round punch 432(can
Change punch-pin) top can retreat in slot 451 and switch to inoperative position, or punch-pin can be switched in round punch 432(in pad)
Top and so that round punch 432 is switched to working position.Two plates 45 of the present embodiment can be connected to a power mechanism simultaneously,
Each plate 45 can also be separately connected a power mechanism.
Power mechanism can be that all can be realized the mechanism of linear motion in the prior art, e.g., motor, cylinder, oil cylinder etc..
Specifically in the present embodiment, power mechanism includes: the cylinder rod 451 and cylinder body 452 being fixedly linked with plate 45,
Cylinder body is fixed on punch-pin seat board 41 by cylinder mounting base 452.
When punching, the punch-forming mold 4 is mountable on punching machine, refering to Fig. 3, Fig. 4 and Fig. 6, the punching press of the present embodiment
The course of work of molding die 4 is as follows: by workpiece 1 feeding to die block 461, supporting the positioning plate 482 of positioning mechanism
1 side of workpiece is pushed up, the circular hole 122 to be punched of four of workpiece 1 is directed at four round cavity plates 462, and plate 45 is inserted in slot at this time
It in 451 and pads on the top of four round punches 432, and between rectangular punch-pin 433 and rectangular cavity plate 463 is empty, i.e. workpiece 1
Other positions do not extend between rectangular punch-pin 433 and rectangular cavity plate 463, later, start punching machine, push work surface of punching machine
And stamping press straight down is imposed to punch-pin seat board 41, make punch-pin seat board 41 that punch assemblies be driven to push, completes four circular holes
122 punchings, work surface of punching machine rises later, and punch-pin seat board 41 is driven to rise together with punch assemblies, at the same time, 1 edge of workpiece
Arrow direction continues to be fed forward to the rectangular punch-pin 433 of the position alignment of the square hole to be punched 123 of workpiece 1, meanwhile, start gas
Cylinder makes cylinder exit slot 451 with two plates 45, after plate 45 exits slot 451, imposes again to punch-pin seat board 41 perpendicular
Straight downward stamping press, makes punch-pin seat board 41 that punch assemblies be driven to push, and completes square hole 123 and is punched, at this point, four round punches
432 can also push and contact workpiece 1 with punch assemblies, but since the slot 451 of 432 top of round punch is vacated, round punch
432 are pushed into top while contact workpiece 1 on workpiece 1 protrudes into slot 451, thus round punch 432 can not force in
Workpiece 1, therefore continuous punching in batches will not be so far completed to workpiece punching again.
When punch-pin is completed one-off hole-piercing and risen, being punched the waste material to get off is easy to stick in the end of punch-pin, works as punch-pin
When continuing to rise, stripper 47 acts on downlink in the elastic force of elastic component, and punch-pin head end can retract in limit hole 471 and can at this time
The waste material for continuing to rise along limit hole 471, and sticking in punch-pin end face is then limited 471 hole wall shelves of hole and only falls down.
It is noted that the distance between the changeable punch-pin of the present embodiment and fixed punch-pin are greater than to punch workpiece
The pitch-row between corresponding aperture on 1.That is, changeable punch-pin, that is, round punch 432, fixed punch-pin, that is, rectangular punch-pin 433 is round
Punch-pin 432 is to the circular hole 122 on blanking 1, and rectangular punch-pin 433 is to the square hole 123 on blanking 1, round punch
The distance between 432 and rectangular punch-pin 433 are greater than the distance between circular hole 122 and square hole 123 on workpiece 1, complete circular hole
After 122 punchings, the punching of square hole 123 can be carried out by needing travelling workpiece 1, and the purpose designed in this way is to make adjacent molds without design
Very compact, one side reduction mold production difficulty is obtained, on the other hand raising die life.In addition, round punch 432 with
The arrangement orientation of rectangular punch-pin 433 and the arrangement orientation of circular hole 122 and square hole 123 on workpiece 1 are also different, the circle on workpiece 1
Hole 122 and square hole 123 are upper and lower orientation arrangements, and the round punch 432 on mold and rectangular punch-pin 433 are left and right orientation cloth
It sets, so that workpiece 1 can be kept away when completing the punching of circular hole 122 with the wing plate on its one side contacts positioning plate 482 and realizes movement
Exempt from workpiece 1 to wander off.
In other embodiments, it is convex that the circle that punch-pin and non-changeable punch-pin are not limited in above-described embodiment can be switched
Mould 432 and rectangular punch-pin 433, by way of example only, the shape that punch-pin and non-changeable punch-pin can be switched can root for above embodiments
It is designed according to the shape to punching；The quantity of changeable punch-pin and non-changeable punch-pin according to the actual situation depending on, generally will
One or more punch-pin of lighter in weight are used as changeable punch-pin, and using the punch-pin of heavier-weight as non-changeable punch-pin, i.e.,
Fixed punch-pin.
In other embodiments can also be by the quantitative design of plate 45 and slot 451 at one, which is inserted into slot
When in 451, plate 45 is padded in the top of all changeable punch-pin simultaneously.Or the more plates 45 of design, pad respectively it is each can
Switch the top of punch-pin.
In other embodiments, convex mould pad 434 can also be omitted, and punch retainer 431 is directly fixed on convex mould base
Plate 41, and suitably increase the thickness of punch retainer 431, it is opened above each changeable punch-pin of correspondence of punch retainer 431
If slot 451, and do not slot at non-changeable punch-pin.
In other embodiments, stripper 47 can also omit, and use instead and wipe waste material by hand, or pass through external manipulator
Or other measures and realize waste material remove.
In other embodiments, the power mechanism for connecting plate 45 can also save, and use instead and manually pull and push the realization of plate 45
Mold switching.
In addition, being directed to some while punching and molded workpiece, the application also provides the punch forming of second embodiment
Mold.
The structure and work of second embodiment punch-forming mold will be described in detail for the workpiece shown in Fig. 7 and Fig. 8 below
Make principle.There is multiple rows of molding hole to be punched 21 on the workpiece 2, molding pore size distribution to be punched is at 6 rows (transverse direction) 30 on the workpiece
It arranges (longitudinal direction).Each column hole count is in irregular distribution, and specifically, the hole count of the 1st column to the 7th column is 4, and the 8th arranges to the 20th
The hole count of column is 6, and the hole count of the 21st column to the 23rd column is 5, and the hole count of the 24th column to the 30th column is 4.In addition, adjacent
Column pitch is also not exactly the same, the adjacent spacing that adjacent column pitch, the 8th column of the 1st column to the 6th column are arranged to the 20th, and, the 21st
It is roughly equal to arrange the column pitch arranged to the 30th, adjacent about 70 mm of two column pitch of holes, but the spacing of the 7th column and adjacent two column is big
Cause is 140mm, and the column pitch of the 21st column and the 20th column is about 140 mm.
All holes 21 are required to punching and flange, i.e., the hole 21 after final molding has a through-hole 211, and through-hole 211
Surrounding has the flange 212 to arch upward upwards upwards.
Refering to Fig. 9, Figure 10 and Figure 11, the punch-forming mold 4a of the second embodiment also includes: punch-pin seat board 41, punch-pin
Backing plate 434, punch retainer 431, elastic component 471, stripper 47, die block 461, cavity plate backing plate 464 and die socket
Plate 49.These structures and mutual connection relationship and above-mentioned first embodiment are essentially identical, and details are not described herein again.
The present embodiment and above-mentioned first embodiment the difference is that, have 12 on the punch retainer 461 of the present embodiment
A punch-pin switches hole and there are six piercing punch 435 and six die mould punch-pin 436, each punch-pin for installation in punch-pin switching hole
435 or 436 are slidably mounted in each punch-pin switching hole, and six piercing punches 435 are distributed in a row, six die mould punch-pin
436 distributions are in a row.Two rows of punch-pin are arranged mutually parallel.The top of each piercing punch 435 and each die mould punch-pin 436 is padded
There is a plate 45, each plate 45 is inserted into a slot 451, and each slot 451 is corresponding to be connected to a punch-pin switching hole.
Correspondingly, installation is inlayed on die block 461, and there are six punching concave die 437 and six die mould cavity plates 438, each punching concave dies
437 is coaxial opposite with each piercing punch 435 and match, each die mould cavity plate 438 and each die mould punch-pin 436 it is coaxial with respect to and match
Set.
The punch-forming mold of the second embodiment has a variety of feasible programmes of work to 2 punch forming of workpiece, wherein
A kind of programme of work is as follows: firstly, taking out the plate 45 of all die mould punch-pin 436, being in all die mould punch-pin 436 can give up the throne
To the off working state of slot 451, and the plate 45 of two adjacent piercing punches 435 close to one end is taken out, makes two punching
Hole punch-pin 435 is also at off working state, and the pad of plate 45 of remaining 4 piercing punches 435 is on 435 top of piercing punch
Working condition；Later, 4 of 2 first row of workpiece are made to be respectively aligned to four piercing punches for not pulling and pushing plate 45 to punching position
435, the 1st column punching is carried out, the mobile column pitch of workpiece 2 is made by servo feeding or artificial feeding later, completes secondary series punching
Hole, and so on, until completing the 7th column punching, the plate 45 of two piercing punches 435 of end is plugged later, makes six punchings
Hole punch-pin 435 is in working condition, successively carries out the 8th column to the 20th column punching later；Later, a punching of end is extracted
The plate 45 of punch-pin 435 keeps 5 piercing punches 435 in running order, successively carries out the 21st column to the 23rd column punching；In addition
Afterwards, then the plate 45 of a piercing punch 435 is extracted, keeps 4 piercing punches 435 in running order, successively carry out the 24th column
To the 30th column punching；After completing all punchings, the plate 45 on all 435 tops of piercing punch is taken out, all punching convexes are made
Mould 435 is in off working state, and takes out the plate 45 of two die mould punch-pin 436, makes inserting for remaining 4 die mould punch-pin 436
The pad of plate 45 is in running order on 436 top of die mould punch-pin, later successively since first row punching position, successively carries out
1st column to the 7th column hole flanging, plug the plate 45 of two die mould punch-pin 436 of end later, keep six die mould punch-pin 436 equal
It is in running order, the 8th column to the 20th column hole flanging are successively carried out later；Later, a die mould punch-pin 436 of end is extracted
Plate 45 keeps 5 die mould punch-pin 436 in running order, successively carries out the 21st column to the 23rd column hole flanging；Followed by, it then takes out
The plate 45 for taking a die mould punch-pin 436 keeps 4 piercing punches 435 in running order, successively carries out the 24th column to the 30th column
Hole flanging.
It is noted that the step distance of the 1st column to the 6th column is equal when carrying out step feeding to workpiece 2, the 6th is completed
After column punching or flange, step distance need to be changed and workpiece 2 is successively moved to 7 column and the 8th column position, complete the 8th column punching
Or after flange, change step distance again again, and so on.
The punch-forming mold of the second embodiment also can be used following programme of work and carry out punch forming: needle to workpiece 2
To the hole of not equal col widths can first punching, rear flange can carry out simultaneously for the hole of equal col widths with piercing and flanging, and simultaneously according to
Plate is pumped according to each column hole count and adjusts the working quantity of piercing punch 435 or die mould punch-pin 436.
Specific work process is as follows: the hole to the 1st column to the 6th column to punching and flange, while extracting rushing for two ends
The plate 45 of hole punch-pin 435 and the die mould punch-pin 436 of two ends keeps four piercing punches 435 and four die mould punch-pin 436 same
When it is in running order, when work, adjacent two column are punched out respectively and flange, complete two column punchings, flange and then make work
One column pitch of part stepping carries out flange to a column of punching and is punched out to a new column, and so on, when completion 6 arranges
After piercing and flanging, the 7th column are skipped, directly step to the 8th column, and plug the piercing punch 435 of end two and the die mould of end two
The plate 45 of punch-pin 436 makes six piercing punches 435 and six die mould punch-pin 436 be in working condition, later successively to
8 column to the 20th column are punched out and flange simultaneously, after completing the 20th column punching and flange, are skipped the 21st column and are arranged to the 23rd, directly
It connects and steps to the 24th column, and extract the plate 45 of the piercing punch 435 of two ends and the die mould punch-pin 436 of two ends, make
Four piercing punches 435 and four die mould punch-pin 436 are in running order simultaneously, successively to the 30th column while carrying out to the 24th column
Punching and flange extract the plate 45 of all die mould punch-pin 436 later, keep four piercing punches 435 in running order, and
So that workpiece 2 is delivered to the 7th column four piercing punches 435 of alignment, individually the 7th column are punched out, workpiece is made to step to the later
21 column, keep five piercing punches 435 in running order, are successively punched out to the 21st column to the 23rd column, followed by, take out respectively
The plate 45 of all piercing punches 435 and the plate 45 of two die mould punch-pin 436 are taken, four die mould punch-pin 436 is made to be in work
Workpiece 2 is delivered to the 7th column by state, is carried out flange to the 7th column hole, is then made five die mould punch-pin 436 in running order,
Flange is carried out to the hole of the 21st column to the 23rd column respectively, so far completes all 30 column punchings and flange.
Although the punch-forming mold punch-pin quantity of both examples above, shape, effect are different, its working principle one
Sample is all the slot by that can make a concession to some or all of mold punch design, and designs plate in slot, so that mold
When punching, extraction section plate or all plates may be selected, and the mold for extracting plate out is made to be in off working state, other molds
It is in running order, to carry out continuous punching in batches to workpiece, make multiple closely located holes or multiple groups distribution on workpiece
Irregular and equidistant or non-equidistant combination bore can carry out being switched fast punching or molded on a mold, improve punching
With the efficiency of die mould.
In addition, the application also provides a kind of punching die mould method of workpiece, include the following steps:
The plate that setting can pull and push on the top of at least one punch-pin to realize punching or die mould is located at when plate pumps
Punch-pin below the plate can give up the throne upwards and in can not punching press off working state；When plate insertion, it is located at the plate
The punch-pin of lower section be in can punching press working condition；
The working condition for repeatedly switching each punch-pin and selectively taking out, inserting the plate carries out multiple continuous punching to workpiece
Hole or die mould.
When practical application, the concave-convex mold of respective shapes can be designed to the shape of punching or die mould according to reality, punch-pin is
But piercing die can also be press-moulding die, and such as flange die can also be provided simultaneously with the mold of multiple functions, and number of molds is according to reality
Border needs and sets, can be as needed by a portion punch design at the changeable punch-pin with plate, by another part
All punch-pin or are designed to the changeable punch-pin with plate at the fixed punch-pin of no plate by punch design.
The above is only preferable possible embodiments of the invention, not limit the scope of the invention, all with the present invention
The variation of equivalent structure made by specification and accompanying drawing content, is included within the scope of protection of the present invention.
Claims (15)
1. a kind of punch-forming mold characterized by comprising
Cavity plate component, comprising: die block and the multiple cavity plates being embedded in die block；
Punch assemblies are mounted on the top of the cavity plate component comprising: it punch retainer and is mounted in punch retainer
There is the punch-pin of at least one perforation to switch hole for multiple punch-pin, the punch retainer, and an at least punch-pin is changeable punch-pin and can
It is slidably mounted in each punch-pin switching hole；The multiple punch-pin is coaxial opposite respectively with the multiple cavity plate and matches；
An at least plate pads on the top of the changeable punch-pin, and the plate can be inserted into slot with pulling and pushing, the slot
It is connected to punch-pin switching hole.
2. punch-forming mold as described in claim 1, which is characterized in that punch-pin switching hole includes the of coaxial communication
One through-hole and the second through-hole, the diameter of the first through hole are greater than the diameter of second through-hole, shape between the first, second through-hole
At a step；Described changeable punch-pin one end is radially prominent and forms limit hanging platform, the limit hanging platform and described
Rank matches and the changeable punch-pin is prevented to be detached from punch-pin switching hole.
3. punch-forming mold as described in claim 1, which is characterized in that the punch assemblies further include being located at the punch-pin
Stripper between fixed plate and the die block, the stripper flexible fastening are described to unload in the punch retainer
Flitch has the limit hole of multiple perforations traversed into or out for punch-pin head end, and the head end one-to-one correspondence of each punch-pin is interspersed in each
In limit hole.
4. punch-forming mold as claimed in claim 3, which is characterized in that the punch retainer inlays at least one elasticity
Part, the elastic component stretches out in one end of the punch retainer and the stripper is mutually fixed.
5. punch-forming mold as described in claim 1, which is characterized in that
It further include punch-pin seat board and cavity plate seat board, the punch assemblies and the cavity plate component are located at punch-pin seat board and cavity plate seat board
Between, the punch retainer is directly or indirectly fixed on the punch-pin seat board, and the die block is directly or indirectly
It is fixed on the cavity plate seat board.
6. punch-forming mold as claimed in claim 5, which is characterized in that
The punch assemblies further include convex mould pad, the convex mould pad be located at the punch-pin seat board and the punch retainer it
Between；
The cavity plate component further includes cavity plate backing plate, the cavity plate backing plate be located at the cavity plate seat board and the die block it
Between；The slot is provided on the convex mould pad.
7. punch-forming mold as claimed in claim 5, which is characterized in that further include guide post and be set in leading outside guide post
Set, the guide post and the guide sleeve are individually fixed in the cavity plate seat board and the punch-pin seat board, the axis of the guide pillars and bushes
Unanimously to the axial direction with concave-convex mold.
8. punch-forming mold as described in claim 1, which is characterized in that
Further include: it is connected with the plate and drives the plate extraction or be inserted into the power mechanism of the slot.
9. punch-forming mold as claimed in claim 8, which is characterized in that the power mechanism includes: solid with the plate
Surely connected cylinder rod and cylinder body, cylinder body are installed in a cylinder mounting base.
10. punch-forming mold as described in claim 1, which is characterized in that further include being located at the cavity plate component at least one
The positioning mechanism to position workpiece of side, the positioning mechanism include: positioning seat and to contact the positioning for supporting workpiece
Plate is connected to the positioning seat to the positioning plate adjustable angle.
11. punch-forming mold as described in claim 1, which is characterized in that the head end of the plate is provided with guiding surface
And keep the plate head end wedge shaped.
12. punch-forming mold as described in claim 1, which is characterized in that at least punch-pin in the punch assemblies is
The fixed punch-pin being fixed on the punch retainer, the distance between the changeable punch-pin and the fixed punch-pin are big
In to the pitch-row between the corresponding aperture in punch workpiece.
13. punch-forming mold as described in claim 1, which is characterized in that all punch-pin in the punch assemblies are
Changeable punch-pin.
14. punch-forming mold as described in claim 1, which is characterized in that an at least punch-pin is punching die, and/or, until
A few punch-pin is casted die mould.
15. a kind of punching die mould method of workpiece, which comprises the steps of:
The plate that setting can pull and push on the top of at least one punch-pin to realize punching or die mould is located at when plate pumps
Punch-pin below the plate can give up the throne upwards and in can not punching press off working state；When plate insertion, it is located at the plate
The punch-pin of lower section be in can punching press working condition；
The working condition for repeatedly switching each punch-pin and selectively taking out, inserting the plate carries out multiple continuous punching to workpiece
Hole or die mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455637.3A CN109127876A (en) | 2017-06-16 | 2017-06-16 | The punching die mould method of punch-forming mold and workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710455637.3A CN109127876A (en) | 2017-06-16 | 2017-06-16 | The punching die mould method of punch-forming mold and workpiece |
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| CN109127876A true CN109127876A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710455637.3A Pending CN109127876A (en) | 2017-06-16 | 2017-06-16 | The punching die mould method of punch-forming mold and workpiece |
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| Country | Link |
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| CN (1) | CN109127876A (en) |
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| CN110405050A (en) * | 2019-08-08 | 2019-11-05 | 匡鸿飞 | A kind of novel numerical control punching die and its production process |
| CN111215512A (en) * | 2019-11-07 | 2020-06-02 | 浙江芒锐机械设备有限公司 | Jacquard sheet blanking die |
| CN111360152A (en) * | 2020-03-19 | 2020-07-03 | 绍兴市蓝也机械有限公司 | Adjusting mechanism and adjusting method of high-precision hardware stamping die |
| CN112475014A (en) * | 2020-11-30 | 2021-03-12 | 北京北方车辆集团有限公司 | Porous mold processing of bi-directional bending pedal piece |
| CN113543904A (en) * | 2019-03-11 | 2021-10-22 | 马瑞利株式会社 | Press device and press method |
| CN112475014B (en) * | 2020-11-30 | 2024-06-11 | 北京北方车辆集团有限公司 | Porous mold processing of piece is stepped on in two-way bending |
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| CN112475014B (en) * | 2020-11-30 | 2024-06-11 | 北京北方车辆集团有限公司 | Porous mold processing of piece is stepped on in two-way bending |
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