CN203292277U - Bidirectional fine blanking die structure - Google Patents
Bidirectional fine blanking die structure Download PDFInfo
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- CN203292277U CN203292277U CN2013202876497U CN201320287649U CN203292277U CN 203292277 U CN203292277 U CN 203292277U CN 2013202876497 U CN2013202876497 U CN 2013202876497U CN 201320287649 U CN201320287649 U CN 201320287649U CN 203292277 U CN203292277 U CN 203292277U
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- die
- fine blanking
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- punch
- elastic device
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Abstract
The utility model relates to a bidirectional fine blanking die structure. The bidirectional fine blanking die structure comprises an upper die and a lower die. The upper die comprises a main male die (4) and an auxiliary female die (5). The lower die comprises an auxiliary male die (8) and a main female die (6). The upper die and the lower die are in the structure that a female die contains a male die. The main male die is arranged in an auxiliary female die type chamber. The main male die and the auxiliary female die are arranged on an upper die seat (3). The main female die and the auxiliary male die are fixed on a lower die seat (10). The main male die and the auxiliary male die slide in the female die depending on pressure transmitted by a triple action fine blanking machine. An elastic device is arranged on the upper die seat in a manner of matching with a main male die push rod (1). The elastic device is arranged above the main male die push rod (1) and transmitted and connected in a matching mode. The bidirectional fine blanking die structure has following advantages: due to the fact that the elastic device is arranged in the upper die of the present triple action blanking machine; back pressure aimed at achieving bidirectional fine blanking technology is provided; the bidirectional fine blanking technology of the triple action blanking machine is achieved; new equipment is not needed; a function of a four action fine blanking machine is replaced; and good economic benefit is produced.
Description
Technical field
The utility model relates to a kind of fine blanking die, particularly relates to a kind of two-way fine blanking die structure.
Background technology
It is a kind of novel fine-edge blanking processing method that two-way essence is rushed process technology, and the mould that this technology is used is two-way fine blanking die, and the primary structure of this fine blanking die comprises the secondary die of main secondary Tu of Tu Mo ﹑ Mo ﹑ master Ao Mo ﹑.Main die is fixed on die shoe by die block, and main die comprises secondary punch, and main punch floats in upper mounted plate, and secondary die comprises main punch.Utilize this two-way fine blanking die, can obtain full euphotic belt, the little angle of collapsing, the smart stamping of small (or nothing) burr, be a kind of techno-economic effect advanced technology preferably.
Two-way fine blanking die structure before, in by secondary punch and secondary die, material being advanced to the shape Combined Extrusion, the blanking pressure of use only has by four moving fine blanking press and acts on fine blanking die, and at present domestic also do not have four moving smart impact machines.Although cause and four moving fine blanking press functions increase, complex structure is expensive, even also less in other countries' application.Adopt flexible method before, use three moving fine blanking press to act on the hydraulic pressure fine blanking die that uses on fine blanking die and hydraulic press, its shortcoming is stiff to the effect of stamping-out material, lacks buffering, easily causes blanking apparatus to damage.
Summary of the invention
The utility model, for the prior art deficiency, proposes a kind of two-way fine blanking die of architecture advances.
The technical scheme that the utility model adopts:
a kind of two-way fine blanking die structure, comprise upper die and lower die, described patrix comprises main punch (4), secondary die (5), counterdie comprises secondary punch (8), main die (6), described upper die and lower die all adopt die to comprise the version of punch, main punch (4) is arranged in secondary die (5) die cavity, main punch (4), secondary die (5) is arranged on upper bolster (3), main die (6) and secondary punch (8) are fixed on die shoe (10), main punch, secondary punch relies on the pressure of three moving smart impact machine transmission to slide in die, on described upper bolster (3), with described main punch push rod (1) coupling, be provided with elastic device, described elastic device comprises cover plate (14), power transmission backing plate (12), and be arranged at the flexible member (13) between cover plate (14) and power transmission backing plate (12), power transmission backing plate (12) is located at main punch push rod (1) top and is coordinated with it driving coupling.
Described two-way fine blanking die structure, in described upper bolster (3) upper surface, be provided with the elastic device installation cavity, the power transmission backing plate is arranged at described installation cavity bottom and coordinates with main punch push rod (1) transmission, cover plate (14) is established at the installation cavity top, and secondary die-pin (2) passes from described upper bolster (3) upper surface.
Described two-way fine blanking die structure, described elastic device is groups of springs, described groups of springs is arranged between described cover plate (14) and power transmission backing plate (12) by Bolt to position.
Described two-way fine blanking die structure, described elastic device are polyurethane rubber group, and described polyurethane rubber group is filled between described cover plate (14) and power transmission backing plate (12).
Useful good effect of the present utility model:
1, the two-way fine blanking die of the utility model, by in three current moving smart impact machine upper bolsters, elastic device being installed, provide a counter-pressure that realizes two-way fine blanking technology, overcome the limitation that there is no four moving smart impact machines, on three moving smart impact machines, realized two-way fine blanking technology; On three moving smart impact machines, realize two-way fine blanking technology, do not need to purchase new equipment, substituted a function of four moving smart impact machines, cost is low, and small investment can produce economic benefit preferably.
2, utilize the two-way fine blanking die of the utility model, the smart stamping product stamping-out shear surface quality that processes is good, full euphotic belt, and the shear surface roughness Ra can reach 0.3～0.5.Part without burr or burr little, small (or nothing) angle of collapsing can be directly used in the machinery assembling, has saved the following process operation, and production efficiency is improved greatly, has improved economic benefit.
3, the two-way fine blanking die of the utility model, realized a kind of economy, efficient fine blanking part processing method with lower cost, and simple in structure, cost is low, facilitates promotion and implementation.The two-way fine blanking die of the utility model has been simplified two-way essence and has been rushed production technology, is applicable to the part processing that various geometries are more complicated, can produce economic benefit and social benefit preferably, has application value preferably.
The accompanying drawing explanation
Fig. 1: be the two-way fine blanking die general assembly drawing of the utility model;
Fig. 2～Fig. 4: the three step working state schematic representations that are respectively the two-way fine blanking part processing method of the utility model.
The specific embodiment
embodiment mono-: referring to Fig. 1, the two-way fine blanking die structure of the utility model, comprise upper die and lower die, described patrix comprises main punch 4, secondary die 5, counterdie comprises secondary punch 8, main die 6, described upper die and lower die all adopt die to comprise the version of punch, main punch 4 is arranged in secondary die 5 die cavities, main punch 4, secondary die 5 is arranged on upper bolster 3, main die 6 and secondary punch 8 are fixed on die shoe 10, main punch, secondary punch relies on the pressure of three moving smart impact machine transmission to slide in die, on described upper bolster 3, with described main punch push rod 1 coupling, be provided with elastic device, described elastic device comprises cover plate 14, power transmission backing plate 12, and be arranged at the flexible member 13 between cover plate 14 and power transmission backing plate 12, power transmission backing plate 12 is located at main punch push rod 1 top and is coordinated with it driving coupling.In Fig. 1, numbering 7 is die block, and 11 is secondary punch push rod, and 9 is jacking block.
Embodiment bis-: referring to Fig. 1, the two-way fine blanking die structure of the present embodiment, further different from embodiment mono-is, in upper bolster 3 upper surfaces, be provided with the elastic device installation cavity, the power transmission backing plate is arranged at described installation cavity bottom and coordinates with main punch push rod 1 transmission, cover plate 14 is established at the installation cavity top, and secondary die-pin 2 passes from described upper bolster 3 upper surfaces.
Embodiment tri-: referring to Fig. 1, and the two-way fine blanking die structure of the present embodiment, different from embodiment mono-or embodiment bis-is, and described elastic device adopts groups of springs, and described groups of springs is arranged between cover plate 14 and power transmission backing plate 12 by Bolt to position.
Embodiment tetra-: referring to Fig. 1, and the two-way fine blanking die structure of the present embodiment, different from embodiment mono-or embodiment bis-is, and described elastic device adopts polyurethane rubber group, and described polyurethane rubber group is filled between described cover plate 14 and power transmission backing plate 12.
Fig. 2～Figure 4 shows that adopts the duty of the two-way fine blanking die processing parts of the utility model:
The first step: the mould closure, it is thick that secondary punch 8 continues to be up to certain material; The tight material 15(of upper and lower band mark of mouth mold pressing is shown in Fig. 2);
Second step: main punch 4 is descending under the effect of three moving fine blanking press upper pistons, and material 15, under the effect of triaxial pressure state, until material is separated, is realized the secondary stamping-out, and two-way essence is rushed (see figure 3);
The 3rd step: separately, the discharging liftout, release part to upper and lower mould, finishes the stamping-out (see figure 4).
Utilize this two-way fine blanking die, can obtain full euphotic belt, the little Huo Wuta angle, angle of collapsing, the smart stamping of small (or nothing) burr.It is a kind of techno-economic effect advanced technology preferably.
When essence is washed the beginning open, secondary punch and secondary die advance the shape Compound Extrusion to material, the elastic device that is arranged on simultaneously in upper bolster compresses material to main punch transmission of pressure (the stamping-out counter-pressure is provided), until make secondary punch be pressed into material, make material enter the certain material of secondary die thick (can set compression distance), then main punch retreats into fixed position, and finally downward stamping-out under the effect of main punch, separate material and parts, secondary punch ejects part, completes stamping-out.
Claims (4)
1. two-way fine blanking die structure, comprise upper die and lower die, described patrix comprises main punch (4), secondary die (5), counterdie comprises secondary punch (8), main die (6), described upper die and lower die all adopt die to comprise the version of punch, main punch (4) is arranged in secondary die (5) die cavity, main punch (4), secondary die (5) is arranged on upper bolster (3), main die (6) and secondary punch (8) are fixed on die shoe (10), main punch, secondary punch relies on the pressure of three moving smart impact machine transmission to slide in die, it is characterized in that: on described upper bolster (3), with described main punch push rod (1) coupling, be provided with elastic device, described elastic device comprises cover plate (14), power transmission backing plate (12), and be arranged at the flexible member (13) between cover plate (14) and power transmission backing plate (12), power transmission backing plate (12) is located at main punch push rod (1) top and is coordinated with it driving coupling.
2. two-way fine blanking die structure according to claim 1, it is characterized in that: in described upper bolster (3) upper surface, be provided with the elastic device installation cavity, power transmission backing plate (12) is arranged at described installation cavity bottom and coordinates with main punch push rod (1) transmission, cover plate (14) is established at the installation cavity top, and secondary die-pin (2) passes from described upper bolster (3) upper surface.
3. two-way fine blanking die structure according to claim 1 and 2, it is characterized in that: described elastic device is groups of springs, described groups of springs is arranged between described cover plate (14) and power transmission backing plate (12) by Bolt to position.
4. two-way fine blanking die structure according to claim 1 and 2, it is characterized in that: described elastic device is polyurethane rubber group, described polyurethane rubber group is filled between described cover plate (14) and power transmission backing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202876497U CN203292277U (en) | 2013-05-24 | 2013-05-24 | Bidirectional fine blanking die structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202876497U CN203292277U (en) | 2013-05-24 | 2013-05-24 | Bidirectional fine blanking die structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203292277U true CN203292277U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202876497U Expired - Lifetime CN203292277U (en) | 2013-05-24 | 2013-05-24 | Bidirectional fine blanking die structure |
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| Country | Link |
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| CN (1) | CN203292277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921598A (en) * | 2016-05-09 | 2016-09-07 | 武汉理工大学 | Fine blanking forming method for reducing or eliminating die roll |
-
2013
- 2013-05-24 CN CN2013202876497U patent/CN203292277U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105921598A (en) * | 2016-05-09 | 2016-09-07 | 武汉理工大学 | Fine blanking forming method for reducing or eliminating die roll |
| CN105921598B (en) * | 2016-05-09 | 2018-04-27 | 武汉理工大学 | A kind of fine-punching formation method that angle of collapsing is reduced or eliminated |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131120 |