CN209156907U - A kind of breakdown drawing and forming combination die - Google Patents
A kind of breakdown drawing and forming combination die Download PDFInfo
- Publication number
- CN209156907U CN209156907U CN201822102406.7U CN201822102406U CN209156907U CN 209156907 U CN209156907 U CN 209156907U CN 201822102406 U CN201822102406 U CN 201822102406U CN 209156907 U CN209156907 U CN 209156907U
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- punch
- insert
- pedestal
- die plate
- slot
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Abstract
The utility model discloses a kind of breakdown drawing and forming combination dies, belong to stamping tool technical field.The mold of drawing parts is used into breakdown composite structure, each road drawing and forming of mold is completed by replacing different punch and matrix cores, even if because production is worn, also punch and matrix core is only needed to change, greatly reduce manufacturing cost, and the cooperation for passing through locking rod, screw and mandril, can quickly and easily dismount punch and matrix core, both meet technique requirement, also batch production requirement produced is met, high production efficiency, no security risk, manufacture difficulty are small, strong operability, both the manufacturing cost of mold had been saved, working hour has been saved, also improves production efficiency.
Description
Technical field
The utility model relates to a kind of breakdown drawing and forming combination dies, belong to stamping tool technical field.
Background technique
Drawing is the processing method for stamping using mold by plate blank forming for open hollow part, Cylindrical Drawing Parts
When forming, pressed in 24 mouthfuls of cavity plate with being about to slab 13 under it after slab 13 as shown in figure 4,22 lower surface of punch-pin touches, it is recessed
Slab 13 on 24 surface of mould in the radial direction by deep-drawing deformation while, circumferentially tangential contraction deforms, with convex
Mould 22 enters cavity plate mouth, and slab 13 is made to generate side wall.Side wall can be cylindrical shape, taper, paraboloidal, box-like or other do not advise
Then shape.Sheet metal deep drawing can produce the part of various complexity in conjunction with other Sheet Metal Forming Technologies.In portions such as automobile, aviation, electromechanics
It is widely used in the production of door and articles for daily use.
Wide flange and the big drawing part of depth, need more number of drawing.Traditional single process mode, drawing time
Number is per the cupping tool for mostly just needing to increase complete set together, and more mold exchange every time, requires dismounting repeatedly, not only
Working efficiency is extremely low, and increases production cost and production cycle.
Utility model content
In order to solve above-mentioned the shortcomings of the prior art, the utility model provides a kind of breakdown drawing and forming combination
Mould only needs a set of general cupping tool seat, and more set punch and matrix cores, so that it may complete by this breakdown drawing and forming combination die
At the drawing and forming of multiple sets of molds, punch and matrix core is convenient for changing, and reduces die manufacturing cost and the manufacture week of drawing parts
Phase improves work efficiency, reduces the production cost.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of breakdown drawing and forming combination die,
Including cavity plate pedestal, ejector beam, straight pin, stripper, die plate insert, locking rod, punch-pin pedestal, punch insert, slab, pressure plate loop,
Mandril, screw and backform bar；
Cavity plate pedestal bottom center offers die plate insert slot, and the center of cavity plate pedestal upper cavity die core slot offers stripper
Slot, the center of cavity plate pedestal loading and unloading material board slot offer via hole, and via hole is interior inserted with ejector beam, and ejector beam is above cavity plate pedestal
It stretches out, the side wall of extension end is inserted with straight pin, and ejector beam bottom end is tightened on stripper by screw thread, and stripper is located at
In discharging board slot, die plate insert is placed in the die plate insert slot of cavity plate pedestal, the shape size of die plate insert is identical as die plate insert slot, recessed
Mold core center offers matrix cavity up and down without capping, and stripper can be movable in matrix cavity, and die plate insert side wall offers limit
Hole, die socket body sidewall offer locking hole, and locking rod is inserted into limit hole after passing through locking hole, die plate insert is fixed, in cavity plate
An axis hole is offered on pedestal top surface beside the via hole of center, is equipped with movable mandril in axis hole, ejector rod bottom end withstands on die plate insert
Top surface on；
The top center of punch-pin pedestal offers punch insert slot, and the center of punch-pin pedestal upper male mould core slot offers via hole,
Inserted with backform bar in via hole, backform bar bottom end is stretched out from punch-pin pedestal, and backform bar top is tightened by screw thread in punch-pin
On core, punch insert bottom end is located in punch insert slot, offers screw via hole on punch insert slot, at the punch insert above screw via hole
Threaded hole is offered, screw passes through screw via hole and is threaded into threaded hole, is cased with pressing plate outside the punch insert above punch-pin pedestal
Circle, pressure plate loop top offer pressing plate groove, offer an axis hole beside the via hole of center on punch-pin pedestal top surface, set in axis hole
There is movable mandril, mandril top is withstood on the bottom surface of pressure plate loop；Plate is equipped between the top surface of punch insert and the bottom surface of die plate insert
Base is equipped with arc chord angle at the matrix cavity bottom margin of die plate insert, and arc chord angle is equipped at the top edge of punch insert；
The size spacing of the matrix cavity of the punch insert and die plate insert is the thickness of slab, according to the size of drawing parts
With the difference of drawing sequence, several punch inserts and die plate insert are shared, the outside dimension of the die plate insert is recessed with cavity plate pedestal
Mold core slot is identical, and the punch insert bottom end size is identical as the punch insert slot of punch-pin pedestal.
The beneficial effects of the utility model are: the mold of drawing parts is used breakdown composite structure, by replacing not
Same punch and matrix core also only needs to change punch and matrix core, significantly even if wearing because producing to complete each road drawing and forming of mold
Manufacturing cost is reduced, and passes through the cooperation of locking rod, screw and mandril, can quickly and easily dismount punch and matrix core, it is both full
Foot technique requirement also meets batch production requirement produced, and high production efficiency, no security risk, manufacture difficulty is small, operability
By force, the manufacturing cost of mold had both been saved, working hour has been saved, also improves production efficiency.
Detailed description of the invention
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model die plate insert.
Fig. 3 is the structural schematic diagram of the utility model punch insert.
Fig. 4 is the structural schematic diagram of existing mold.
Figure label:
1, cavity plate pedestal, 2, die plate insert slot, 3, discharging board slot, 4, ejector beam, 5, straight pin, 6, stripper, 7, die plate insert,
8, locking rod, 9, locking hole, 10, punch-pin pedestal, 11, punch insert slot, 12, punch insert, 13, slab, 14, pressing plate groove, 15, pressing plate
Circle, 16, mandril, 17, screw via hole, 18, screw, 19, threaded hole, 20, backform bar, 21, matrix cavity, 22, punch-pin, 23, binder
Circle, 24, cavity plate.
Specific embodiment
As shown in Figure 1-3, a kind of breakdown drawing and forming combination die, including cavity plate pedestal 1, ejector beam 4, straight pin 5, unload
Flitch 6, die plate insert 7, locking rod 8, punch-pin pedestal 10, punch insert 12, slab 13, pressure plate loop 15, mandril 16, screw 18 and backform
Bar 20；
1 bottom center of cavity plate pedestal offers die plate insert slot 2, and the center of 1 fovea superior mold core slot 2 of cavity plate pedestal offers discharging
Board slot 3, the center of 1 loading and unloading material board slot 3 of cavity plate pedestal offer via hole, and inserted with ejector beam 4 in via hole, ejector beam 4 is from cavity plate
It is stretched out above pedestal 1, inserted with straight pin 5,4 bottom end of ejector beam is tightened by screw thread in stripper 6 side wall of extension end
On, stripper 6 is located in discharging board slot 3, and die plate insert 7 is placed in the die plate insert slot 2 of cavity plate pedestal 1, and the shape of die plate insert 7 is big
Small identical as die plate insert slot 2,7 center of die plate insert offers the matrix cavity 21 without capping up and down, and stripper 6 can be in matrix cavity 21
Activity, 7 side wall of die plate insert offer limit hole, and 1 side wall of cavity plate pedestal offers locking hole 9, after locking rod 8 passes through locking hole 9
It is inserted into limit hole, die plate insert 7 is fixed, an axis hole is offered beside the via hole of center on 1 top surface of cavity plate pedestal, is set in axis hole
There is movable mandril 16,16 bottom end of mandril is withstood on the top surface of die plate insert 7；
The top center of punch-pin pedestal 10 offers punch insert slot 11, and the center of the convex mold core slot 11 of punch-pin pedestal 10 opens up
There is via hole, via hole is interior inserted with backform bar 20, and 20 bottom end of backform bar is stretched out from punch-pin pedestal 10, and 20 top of backform bar passes through screw thread
It is tightened on punch insert 12,12 bottom end of punch insert is located in punch insert slot 11, and screw via hole is offered on punch insert slot 11
17, threaded hole 19 is offered at the punch insert 12 of the top of screw via hole 17, and screw 18 passes through screw via hole 17 and is threaded into screw thread
Hole 19 is cased with pressure plate loop 15 outside the punch insert 12 above punch-pin pedestal 10, pressing plate groove 14 is offered at the top of pressure plate loop 15, convex
An axis hole is offered on 10 top surface of die holder body beside the via hole of center, movable mandril 16,16 top of mandril top are equipped in axis hole
On the bottom surface of pressure plate loop 15；Slab 13 is equipped between the top surface of punch insert 12 and the bottom surface of die plate insert 7, in the recessed of die plate insert 7
It is equipped with arc chord angle at 21 bottom margin of die cavity, arc chord angle is equipped at the top edge of punch insert 12；
The size spacing of the matrix cavity 21 of the punch insert 12 and die plate insert 7 is the thickness of slab 13, according to drawing zero
The size of part and the difference of drawing sequence, share several punch inserts 12 and die plate insert 7, the outside dimension of the die plate insert 7 with
The die plate insert slot 2 of cavity plate pedestal 1 is identical, the 12 bottom end size of punch insert with 11 phase of punch insert slot of punch-pin pedestal 10
Together.
By locking rod 8, die plate insert 7 can be replaced in the case where not dismantling cavity plate pedestal 1.
By screw 18, punch insert 12 can be replaced in the case where not dismantling punch-pin pedestal 10.
The replacement failure occurred in order to prevent by factors such as corrosions can quick, peace using mandril 16 and backform bar 20
Full disassembly punch insert 12, die plate insert 7 and pressure plate loop 15.
Claims (2)
1. a kind of breakdown drawing and forming combination die, it is characterised in that: including cavity plate pedestal (1), ejector beam (4), straight pin
(5), stripper (6), die plate insert (7), locking rod (8), punch-pin pedestal (10), punch insert (12), slab (13), pressure plate loop
(15), mandril (16), screw (18) and backform bar (20)；Cavity plate pedestal (1) bottom center offers die plate insert slot (2), cavity plate
The center of pedestal (1) fovea superior mold core slot (2) offers discharging board slot (3), and the center of cavity plate pedestal (1) loading and unloading material board slot (3) is opened
Equipped with via hole, via hole is interior inserted with ejector beam (4), and ejector beam (4) stretches out above cavity plate pedestal (1), and the side wall of extension end is inserted
Enter to have straight pin (5), ejector beam (4) bottom end is tightened on stripper (6) by screw thread, and stripper (6) is located at stripper
In slot (3), it is placed with die plate insert (7) in the die plate insert slot (2) of cavity plate pedestal (1), the shape size and die plate insert of die plate insert (7)
Slot (2) is identical, and die plate insert (7) center offers the matrix cavity without capping (21) up and down, and stripper (6) can be in matrix cavity (21)
Activity, die plate insert (7) side wall offer limit hole, and cavity plate pedestal (1) side wall offers locking hole (9), and locking rod (8) passes through lock
Tieholen (9) is inserted into limit hole afterwards, and die plate insert (7) are fixed, offers one beside the via hole of center on cavity plate pedestal (1) top surface
Axis hole, axis hole is interior to be equipped with movable mandril (16), and mandril (16) bottom end is withstood on the top surface of die plate insert (7)；Punch-pin pedestal (10)
Top center offer punch insert slot (11), the center of the convex mold core slot (11) of punch-pin pedestal (10) offers via hole, via hole
Interior inserted with backform bar (20), backform bar (20) bottom end is stretched out from punch-pin pedestal (10), and backform bar (20) top passes through screw thread rotation
It fastens on punch insert (12), punch insert (12) bottom end is located in punch insert slot (11), and punch insert slot offers spiral shell on (11)
It follows closely via hole (17), is offered threaded hole (19) at the punch insert (12) above screw via hole (17), screw (18) passes through screw mistake
Hole (17) is threaded into threaded hole (19), and pressure plate loop (15), pressing plate are cased with outside the punch insert (12) above punch-pin pedestal (10)
Pressing plate groove (14) are offered at the top of circle (15), offer an axis hole, axis beside the via hole of center on punch-pin pedestal (10) top surface
Another movable mandril (16) is equipped in hole, which withstands on the bottom surface of pressure plate loop (15)；In punch insert (12)
Top surface and die plate insert (7) bottom surface between be equipped with slab (13), at matrix cavity (21) bottom margin of die plate insert (7) be equipped with circle
Arc angle is equipped with arc chord angle at the top edge of punch insert (12).
2. a kind of breakdown drawing and forming combination die according to claim 1, it is characterised in that: the punch insert (12)
Size spacing with the matrix cavity (21) of die plate insert (7) is the thickness of slab (13), according to the size of drawing parts and drawing work
The difference of sequence, shares several punch inserts (12) and die plate insert (7), the outside dimension of the die plate insert (7) with cavity plate pedestal (1)
Die plate insert slot (2) it is identical, punch insert (12) bottom end size is identical as punch insert slot (11) of punch-pin pedestal (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822102406.7U CN209156907U (en) | 2018-12-14 | 2018-12-14 | A kind of breakdown drawing and forming combination die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822102406.7U CN209156907U (en) | 2018-12-14 | 2018-12-14 | A kind of breakdown drawing and forming combination die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209156907U true CN209156907U (en) | 2019-07-26 |
Family
ID=67343814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822102406.7U Active CN209156907U (en) | 2018-12-14 | 2018-12-14 | A kind of breakdown drawing and forming combination die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209156907U (en) |
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2018
- 2018-12-14 CN CN201822102406.7U patent/CN209156907U/en active Active
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