CN206066599U - A kind of simple blanking and piercing with combination tool mould of craft - Google Patents
A kind of simple blanking and piercing with combination tool mould of craft Download PDFInfo
- Publication number
- CN206066599U CN206066599U CN201620991659.2U CN201620991659U CN206066599U CN 206066599 U CN206066599 U CN 206066599U CN 201620991659 U CN201620991659 U CN 201620991659U CN 206066599 U CN206066599 U CN 206066599U
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- punch
- die
- hole
- piercing
- casting die
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Abstract
The utility model discloses a kind of simple blanking and piercing with combination tool mould of craft, polyurethane rubber base plate including punch-die and below punch-die, the punch-die is provided with concave-convex mold cutting edge near polyurethane rubber base plate one end, casting die hole is additionally provided with the middle part of the punch-die, casting die block is equipped with casting die hole, punch hole is provided with the casting die block, and punch is fitted with punch hole, the punch-die Cutting Edge Design is pointed at structure.This utility model replaces the part of the lower die of conventional composite mould using polyurethane rubber, that is to say, that reduces the die of conventional composite mould, thus greatly reduces die manufacturing cost.Simultaneously in whole blanking process, due to the elastic reaction of polyurethane rubber so that workpiece is in formation state all the time, therefore avoids workpiece that burr and crimping are produced in blanking process, and then improves the quality of product；Mould structure described in the utility model is simple, easy to use, flexible, workable, reprocesses replacing convenient.
Description
Technical field
This utility model belongs to process for un-metal material technical field, is specifically related to a kind of simple compound cutting die of craft
Tool.
Background technology
At present, the punching process for adopting both at home and abroad has two big class：One class is common stamping, and another kind of is fine-edge blanking, nothing
By being which kind of punching process, unidirectional punching and obtained stamping surface are all used with jagged, burr not only affects
Accessory appearance, and deformation operation afterwards easily causes cracking due to producing stress concentration, while also giving subsequent handling
Difficulty is caused, aggravation cutting edge abrasion can be also brought, be reduced the defects such as die life.The height of burr is depended primarily on and is rushed
The intensity of part material, material are thick, abrasion condition of the size of blade clearance and die point etc., although the improvement of above-mentioned factor can be with
The limitation in height of burr to a certain minima, but can not still to expire form and dimensional precision requirement higher for the burr after improving
Stamping, and need following process reduce burr or eliminate burr.Thus more production costs are brought, production efficiency is not
It is high.
To solve the above problems, the Chinese patent of Publication No. CN103071722A discloses a kind of reciprocal accurate compound flushing
Mould, including upper die and lower die are cut out, the structure of lower mould is：On die shoe by bolt be fixed with successively lower template, lower bolster, under
Fixed plate and lower cavity die, lower oil cylinder be arranged on die shoe centre bore in, be fixed with lower bearing plate on the piston of lower oil cylinder, under it is convex
Die is sleeved in the centre bore of lower cavity die；The structure of upper mould is：The bottom of upper bolster by bolt be fixed with successively upper die plate,
Upper padding plate and upper mounted plate, upper cavity die bolt connect with upper cavity die through after upper die plate, upper padding plate and upper mounted plate, upper cylinder peace
It is mounted in the centre bore of upper bolster, the top movable of upper male mould is sleeved in the centre bore of upper padding plate, the bottom suit of upper male mould
In the central through hole of upper punch-die；The mould effectively reduces burr using the double blanking to raw material.But in punching
In production process, during to the punch press process of some nonmetallic materials, such as rubber, leather, felt, hardboard etc., material is should ensure that
Blade clearance≤0.01mm, commonly referred to gapless punching.Require the working portion dimensional accuracy and surface quality of blanking die
Height, therefore difficulty is very big in Making mold, manufacturing cost is high, when special for blanking and piercing with combination tool mould, to punch-die
Requirement on machining accuracy is high, manufactures more difficult, and cost is higher, manufactures more difficult, and cost is higher.And adopt above-mentioned blanking die
The part for carrying out processing during gapless punching press occurs edge-curl phenomenon, affects the quality of product, and mold repair changes inconvenient.
Utility model content
This utility model is for the deficiency existing for existing blanking die, there is provided a kind of simple compound cutting die of craft
Tool, so as to overcome the part out-of-flatness in workpiece process, the more defect of easy crimping and burr, improve product quality.
This utility model is achieved by following technical solution.
A kind of simple blanking and piercing with combination tool mould of craft, including punch-die and the polyurethane rubber bottom below punch-die
Plate, the punch-die are provided with concave-convex mold cutting edge near polyurethane rubber base plate one end, and pressure is additionally provided with the middle part of the punch-die
Part hole, is equipped with casting die block in casting die hole, is provided with punch hole, and is fitted with punch in punch hole on the casting die block.
The punch-die Cutting Edge Design is pointed at structure.
The punch lower end is provided with punch cutting edge.
The size and shape that the casting die hole projects in the horizontal plane is matched with machine-shaping part.
The casting die block is coordinated for gap with casting die hole.
The punch is coordinated for gap with punch hole.
The material of the punch-die and punch adopts T8A, and harden HRC50-55.
The beneficial effects of the utility model are：
Compared with prior art, this utility model replaces the part of the lower die of conventional composite mould using polyurethane rubber, also
It is to say the die for reducing conventional composite mould, thus greatly reduces die manufacturing cost.Simultaneously in whole blanking process, by
In the elastic reaction of polyurethane rubber so that workpiece is in formation state all the time, therefore avoids workpiece from producing in blanking process
Burr and crimping, and then improve the quality of product.Mould structure described in the utility model is simple, it is easy to manufacture, easy to use,
Flexibly, it is workable, reprocess replacing convenient；Can be widely used in nonmetallic materials punch press process.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural decomposition diagram of the present utility model；
Fig. 3 is the schematic diagram using Dies ' Blanking workpiece described in the utility model；
Fig. 4 is to treat blanking structural representation in this utility model.
In figure：1- punch-dies, 2- casting die blocks, 3- punch, 4- polyurethane rubber base plates, 5- workpiece, 11- casting dies hole, 12- are recessed
Punch cutting edge, 21- punch hole, 31- punch cutting edges.
Specific embodiment
The technical solution of the utility model is further described below in conjunction with the accompanying drawings, but claimed scope is not limited to
It is described.
As shown in Figure 1 to Figure 3, a kind of simple blanking and piercing with combination tool mould of craft described in the utility model, including punch-die 1 and
Polyurethane rubber base plate 4 below punch-die 1, the punch-die 1 are provided with recessed near 4 one end of polyurethane rubber base plate
Punch cutting edge 12, is additionally provided with casting die hole 11 in the middle part of the punch-die 1, in casting die hole 11 be equipped with casting die block 2, the casting die
Punch hole 21 is provided with block 2, and punch 3 is fitted with punch hole 21.The technical program is replaced using polyurethane rubber plate 4
The part of the lower die of conventional composite mould, that is to say, that reduce the die of conventional composite mould, thus greatly reduce Making mold into
This.As polyurethane rubber is a kind of elastomer, in blanking process, the static pressure with liquid after polyurethane rubber stress,
Unit pressure i.e. suffered by 4 all directions of polyurethane rubber plate is equal.In blanking process, polyurethane rubber plate 4 is subject to punch-die 1
Pressure, force and be punched material and occur bending and deformation along 12 periphery of punch-die cutting edge, and produce in 12 periphery of punch-die cutting edge
Impression, with the increase of pressure, is rushed 4 pressure of polyurethane rubber plate constantly increased by material and is exceeded material shearing strength
When, material produces fracture at punch-die cutting edge 12, and workpiece 5 is separated with periphery material.In whole blanking process, workpiece is all the time
In formation state, therefore burr and crimping will not be produced, improve the quality of product.Meanwhile, polyurethane rubber base plate 4 is in punching
During sanction, the protective effect to punch-die 1 and punch 3 is played, extend the mold use life-span.
The punch-die cutting edge 12 is designed to horn structure.As shown in figure 3, casting die hole 11 is perpendicular to horizontal plane, punch-die 1
Outside is angled inwardly into the punch-die cutting edge 12 that bottom forms point, reduces the contact area of punch-die 1 and workpiece 5, so that
Pressure concentrates on 12 periphery of punch-die cutting edge, reduces gouged spews.
3 lower end of the punch is provided with punch cutting edge 31.As shown in figure 3, punch cutting edge 31 caves inward for 3 lower end of punch
And the wedge angle cutting edge structure for being formed, the contact area of punch 3 and workpiece 5 is reduced, so that pressure concentrates on punch cutting edge 31
Periphery, reduces gouged spews, and then improves the quality that hole is processed on workpiece 5.
The size and shape that the casting die hole 11 projects in the horizontal plane is matched with machine-shaping part.Such as,
Circular pieces are processed, the section in casting die hole 11 is toroidal；Square parts to be processed, the section in casting die hole 11 is square；
Diamond-shaped component to be processed, the section in casting die hole 11 is rhombus；Oval part is processed, the section in casting die hole 11 is ellipse.
Meanwhile, the medial surface shape of punch-die cutting edge 12 and the mating shapes in casting die hole 11.
The casting die block 2 is coordinated for gap with casting die hole 11.So it is easy to the taking-up and loading of casting die block 2, while ensureing
The punching quality of product.
The punch 3 is coordinated for gap with punch hole 21.It is easy to being inserted and removed from for punch 3.Punch 3 can be according to be processed
Part is selected, and such as parts to be processed contains through hole, then need punch 3 to be punched, if no through hole, can be not provided with
Punch 3.
The material of the punch-die 1 and punch 3 adopts T8A, and harden HRC50-55.
Further illustrated as a example by processing part as shown in Figure 4 below and rushed using mould described in the utility model
The method and step of sanction is as follows：
As shown in figure 3, being processed to workpiece using hand press division of labor portion, polyurethane base plate 4 is placed on into hand press first
On table top, workpiece 5 is lain on polyurethane base plate 4 and adjusted good position, punch-die 1 is placed on into 5 appropriate location of workpiece then
And exert a force, External Shape as shown in Figure 4 is processed, then casting die block 2 and punch 3 are put in punch-die 1 simultaneously, to punch 3
Force, processes the part with hole φ 3.8 as shown in Figure 4.Next is processed according to this.In the present embodiment, punch-die cutting edge
12 shape is consistent with the spare part outside measurement shown in Fig. 4, and the shape of punch cutting edge 31 is consistent with the size shape of φ 3.8.This
Using polyurethane rubber pad 4 as lower mould, in blanking process, polyurethane rubber pad 4 is played to punch-die 1, convex utility model
The protective effect of mould 3, extends the mold use life-span；Mould belonging to this utility model can be continued to use to different shape, different products
The punching of product, different nonmetallic materials.
Claims (7)
1. the simple blanking and piercing with combination tool mould of a kind of craft, it is characterised in that：Including punch-die (1) and below punch-die (1)
Polyurethane rubber base plate (4), the punch-die (1) are provided with concave-convex mold cutting edge (12) near polyurethane rubber base plate (4) one end,
Casting die hole (11) is additionally provided with the middle part of the punch-die (1), casting die block (2), the casting die block is equipped with casting die hole (11)
(2) punch hole (21) is provided with, and punch (3) is fitted with punch hole (21).
2. the simple blanking and piercing with combination tool mould of a kind of craft according to claim 1, it is characterised in that：The punch-die cutting edge
(12) it is designed to horn structure.
3. the simple blanking and piercing with combination tool mould of a kind of craft according to claim 1, it is characterised in that：Punch (3) lower end
It is provided with punch cutting edge (31).
4. the simple blanking and piercing with combination tool mould of a kind of craft according to claim 1, it is characterised in that：The casting die hole (11) exists
The size and shape projected on horizontal plane is matched with machine-shaping part.
5. the simple blanking and piercing with combination tool mould of a kind of craft according to claim 1, it is characterised in that：The casting die block (2) with
Casting die hole (11) coordinates for gap.
6. the simple blanking and piercing with combination tool mould of a kind of craft according to claim 1, it is characterised in that：The punch (3) with it is convex
Nib (21) coordinates for gap.
7. the simple blanking and piercing with combination tool mould of a kind of craft according to claim 1, it is characterised in that：The punch-die (1) and
The material of punch (3) adopts T8A, and harden HRC50-55.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991659.2U CN206066599U (en) | 2016-08-30 | 2016-08-30 | A kind of simple blanking and piercing with combination tool mould of craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991659.2U CN206066599U (en) | 2016-08-30 | 2016-08-30 | A kind of simple blanking and piercing with combination tool mould of craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206066599U true CN206066599U (en) | 2017-04-05 |
Family
ID=58434774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620991659.2U Withdrawn - After Issue CN206066599U (en) | 2016-08-30 | 2016-08-30 | A kind of simple blanking and piercing with combination tool mould of craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206066599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182183A (en) * | 2016-08-30 | 2016-12-07 | 贵州新安航空机械有限责任公司 | A kind of simple blanking and piercing with combination tool mould for machining of non-metallic material |
| CN115041869A (en) * | 2022-05-26 | 2022-09-13 | 无锡中微高科电子有限公司 | Processing die and sintering process of special-shaped solder sheet |
-
2016
- 2016-08-30 CN CN201620991659.2U patent/CN206066599U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182183A (en) * | 2016-08-30 | 2016-12-07 | 贵州新安航空机械有限责任公司 | A kind of simple blanking and piercing with combination tool mould for machining of non-metallic material |
| CN106182183B (en) * | 2016-08-30 | 2019-02-26 | 贵州新安航空机械有限责任公司 | A kind of simple blanking and piercing with combination tool mold for machining of non-metallic material |
| CN115041869A (en) * | 2022-05-26 | 2022-09-13 | 无锡中微高科电子有限公司 | Processing die and sintering process of special-shaped solder sheet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20190226 |
|
| AV01 | Patent right actively abandoned |