CN208542805U - A kind of negative pressure anti-tripping waste mould structure - Google Patents
A kind of negative pressure anti-tripping waste mould structure Download PDFInfo
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- CN208542805U CN208542805U CN201821115974.4U CN201821115974U CN208542805U CN 208542805 U CN208542805 U CN 208542805U CN 201821115974 U CN201821115974 U CN 201821115974U CN 208542805 U CN208542805 U CN 208542805U
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- dropping hole
- air flue
- lower die
- die holder
- negative pressure
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Abstract
The utility model provides a kind of negative pressure anti-tripping waste mould structure, including lower template, the lower template bottom connects lower bolster, the lower bolster bottom connects lower die holder, the lower template, the intermediate position of lower bolster and lower die holder offers the first material-dropping hole respectively, second material-dropping hole and third material-dropping hole, first blanking, it is mutually conducted between second material-dropping hole and third material-dropping hole three, air flue is offered inside the lower die holder, the air flue is connected along the dirty exit of airflow direction and the third material-dropping hole, it is downward under inclination when the air flue connection third material-dropping hole.When the utility model passes through the airflow in lower die holder air flue at third material-dropping hole, downdraught is formed, then blows and is converted into downward inspiratory airflow, so that mold is effectively sucked out in waste material, jump-scrap phenomenon is effectively prevent to occur；Operating procedure is reduced, cost is reduced, saves production space without increasing external suction-type equipment using the special designing of mold air flue.
Description
Technical field
The utility model belongs to mold anti-tripping waste technical field of structures, and in particular to a kind of negative pressure anti-tripping waste mold knot
Structure.
Background technique
Hardware stamping part is widely used in daily production and life: household electrical appliances, 3C digital product, automobile product etc., from not
Open hardware stamping part and metal stamping die；During producing and processing hardware, often relate to hardware into
The process of row punching, trimming.Be punched out, in the production process of trimming, when the problem of being commonly encountered jump-scrap, batch causes
The weighing wounded of product, the bad, scrap of the product of batch；The damage of mold is even caused when serious.
The method for preventing punching jump-scrap in the industry uses the modes such as formed punch installation thimble or formed punch mill step more at present,
Its effect is not significant, especially when punching is smaller, no applicability；Also have in punching lower die installation air-suction duct cooperation suction-type
Bellows draw the way of waste material, but need to additionally increase equipment, and installation connects time-consuming useless power, energy consumption increases；Suction-type bellows occupy
Certain working space influences the normal work in workshop.
It is therefore desirable to design a kind of negative pressure anti-tripping waste mould structure to solve the main of mold jump-scrap at work
Technical problem.
Summary of the invention
To overcome the deficiencies in the prior art described above, the utility model aim is to provide a kind of negative pressure anti-tripping waste mold
Structure.
In order to achieve the above objects and other related objects, technical solution provided by the utility model is: a kind of negative pressure is anti-jump
Waste material mould structure, including lower template, the lower template bottom connect lower bolster, and the lower bolster bottom connects lower die holder, institute
The intermediate position for stating lower template, lower bolster and lower die holder offers the first material-dropping hole, the second material-dropping hole and third blanking respectively
Hole, is mutually conducted between first blanking, the second material-dropping hole and third material-dropping hole three and air pressure is in three holes
Negative pressure state；It is characterized by: air flue is offered inside the lower die holder, upper inflow entrance and mould of the air flue along airflow direction
Has turned on outside, the air flue is connected along the dirty exit of airflow direction and the third material-dropping hole, the air flue connection the
When three material-dropping holes diagonally downward.
The above are the main technical solution of the utility model, preferred technical solution is as follows:
Preferably, the lower die edge of a knife is provided in the lower template, the first material-dropping hole opened up on the lower die holder is located at institute
State the intermediate position of the lower die edge of a knife.
Preferably, first material-dropping hole aperture is less than the aperture of second material-dropping hole, the hole of second material-dropping hole
Diameter is less than the aperture of third material-dropping hole.
Preferably, the air flue gradually becomes smaller along the aperture of airflow direction, and the air flue is along airflow direction upstream inlet
Aperture is maximum, and the air flue flows down exit aperture minimum along airflow direction.
Preferably, the air flue and third material-dropping hole junction tilt angle are more than or equal to 45 degree.
It is corresponding to be explained as follows for the main technical schemes and optimal technical scheme of the utility model:
Mold can generate waste material at work, due to the three of the mutual conduction of lower template, lower bolster and lower die holder setting
Air pressure in a material-dropping hole is all negative pressure, so the airflow direction in air flue can be under the entrance flow direction conducting of conducting mold exterior
The exit of die holder third material-dropping hole, while when air flue is connected with lower die holder third material-dropping hole is diagonally downward, so working as gas
It circulates downwards when circulating to third material-dropping hole, so that downward air blowing is converted into downward inspiratory airflow, downward air-breathing
Mold exterior is sucked out in waste material by air-flow.
The lower die edge of a knife is provided in lower template, the first material-dropping hole opened up on lower die holder is located at the centre of the lower die edge of a knife
Position can make mold at work in this way, and the waste material of edge of a knife excision can be directly entered the first material-dropping hole, thus by quickly inhaling
Out outside mold.
The aperture of first material-dropping hole, the second material-dropping hole and third material-dropping hole is sequentially increased, and be can be convenient waste material in this way and is inhaled
Out outside mold.
The aperture of air flue is sequentially increased along airflow direction, the air flow inlet aperture outside mold is connected, larger can be convenient is arranged
The smaller intensity that can increase air-flow is arranged in the air stream outlet aperture of air-breathing, conducting third material-dropping hole, allows airflow into third and falls
It is bigger that it is converted into air-breathing suction when material hole, facilitates and waste material is sucked out outside mold.
Air flue and third material-dropping hole junction tilt angle are more than or equal to 45 degree, can make the air-flow blown out in air flue in this way
It blows out obliquely, if tilt angle is too small, air-flow may not be blown out downwards, due effect be not achieved, so inclining
Rake angle is answered somewhat larger.
To sum up, the utility model has the following beneficial effects: the air passage structure blowout air-flow using lower die holder will be in material-dropping hole
Mold is sucked out in waste material, and jump-scrap phenomenon is effectively prevent to occur；Using the special designing of mold air flue, without increasing external suction
Enter formula equipment, reduces operating procedure, reduce cost, save production space, easy to use, practicability is high.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
In the figures above, lower template 1, lower bolster 2, lower die holder 3, the lower die edge of a knife 4, air flue 5, the first material-dropping hole 6, second are fallen
Expect hole 7, third material-dropping hole 8.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Fig. 1 is please referred to it should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the utility model implementable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in disclosed in the utility model
Technology contents obtain and can cover in the range of.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " in
Between " and " one " etc. term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
The utility model specific embodiment is as follows:
As shown in Figure 1, a kind of negative pressure anti-tripping waste mould structure, including lower template 1, under 1 bottom of the lower template connection
Backing plate 2,2 bottom of lower bolster connect lower die holder 3, the intermediate position difference of the lower template 1, lower bolster 2 and lower die holder 3
Offer 6 second material-dropping hole 7 of the first material-dropping hole and third material-dropping hole 8, first material-dropping hole 6, the second material-dropping hole 7 and third
It is mutually conducted between 8 three of material-dropping hole and air pressure is negative pressure state in three holes；It is characterized by: in the lower die holder 3
Portion offers air flue 5, and the air flue 5 is connected along the upper inflow entrance and mold exterior of airflow direction, and the air flue 5 is along airflow direction
Dirty exit and the third material-dropping hole 8 conducting, the air flue 5 when connecting third material-dropping hole 8 diagonally downward.
Concrete operating principle: mold can generate waste material at work, since lower template 1, lower bolster 2 and lower die holder 3 are set
Air pressure in three material-dropping holes of the mutual conduction set all is negative pressure, so the airflow direction in air flue 5 can be outside conducting mold
The exit of the entrance flow direction conducting 3 third material-dropping hole 8 of lower die holder in portion, while air flue 5 and the connection of 3 third material-dropping hole 8 of lower die holder
When be diagonally downward, so circulate downwards when air-flow leads to third material-dropping hole 8, thus downward air blowing be converted into
Under inspiratory airflow, mold exterior is sucked out in waste material by downward inspiratory airflow.
Preferred embodiment is provided with the lower die edge of a knife 4, the first blanking opened up on the lower die holder 3 in the lower template 1
Hole 6 is located at the intermediate position of the lower die edge of a knife 4, can make mold at work in this way, and the waste material of edge of a knife excision can be direct
Into the first material-dropping hole 6, thus by being quickly sucked out outside mold.
Preferred embodiment, 6 aperture of the first material-dropping hole are less than the aperture of second material-dropping hole 7, and described second falls
Expect that the aperture in hole 7 is less than the aperture of third material-dropping hole 8, the aperture of the first material-dropping hole 6, the second material-dropping hole 7 and third material-dropping hole 8 according to
Secondary increase can be convenient waste material in this way and be sucked out outside mold.
Preferred embodiment, the air flue 5 gradually become smaller along the aperture of airflow direction, and the air flue 5 is along airflow direction
Aperture is maximum at inflow entrance, and the air flue 5 flows down along airflow direction, and exit aperture is minimum, and the aperture of air flue 5 is along airflow direction
It is sequentially increased, the air flow inlet aperture setting outside conducting mold is larger to can be convenient air-breathing, and the air-flow of conducting third material-dropping hole 8 goes out
The smaller intensity that can increase air-flow is arranged in oral pore diameter, and it is bigger to be converted into air-breathing suction when allowing airflow into third material-dropping hole 8, side
Just waste material is sucked out outside mold.
Preferred embodiment, the air flue 5 and 8 junction tilt angle of the third material-dropping hole are more than or equal to 45 degree, gas
Road 5 and 8 junction tilt angle of third material-dropping hole are more than or equal to 45 degree, can make the air-flow blown out in air flue 5 so obliquely
Blowout, if tilt angle is too small, air-flow may not be blown out downwards, due effect be not achieved, so tilt angle
It answers somewhat larger.
The utility model has the advantage that compared to traditional anti-tripping waste scheme does not need to increase external suction-type
Equipment, operating procedure also become space that is relatively simple, while reducing production cost, saved workshop, only in mold
On done cleverly structural modification, when operation, is convenient and efficient, and effect is also fairly obvious, it is only necessary to pass through the air-flow of air flue 5
Waste material is sucked out outside mold, the technical issues of waste material daps is efficiently solved.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (5)
1. a kind of negative pressure anti-tripping waste mould structure, including lower template, the lower template bottom connects lower bolster, the lower bolster
Bottom connects lower die holder, and the intermediate position of the lower template, lower bolster and lower die holder offers the first material-dropping hole, second respectively
Material-dropping hole and third material-dropping hole, be mutually conducted between first blanking, the second material-dropping hole and third material-dropping hole three and
Air pressure is negative pressure state in three holes；It is characterized by: offering air flue inside the lower die holder, the air flue is along air-flow side
To upper inflow entrance and mold exterior conducting, the air flue leads along the dirty exit of airflow direction and the third material-dropping hole
It is logical, when the air flue connection third material-dropping hole diagonally downward.
2. a kind of negative pressure anti-tripping waste mould structure according to claim 1, it is characterised in that: be arranged in the lower template
There is the lower die edge of a knife, the first material-dropping hole opened up on the lower die holder is located at the intermediate position of the lower die edge of a knife.
3. a kind of negative pressure anti-tripping waste mould structure according to claim 1, it is characterised in that: first material-dropping hole hole
Diameter is less than the aperture of second material-dropping hole, and the aperture of second material-dropping hole is less than the aperture of third material-dropping hole.
4. a kind of negative pressure anti-tripping waste mould structure according to claim 1, it is characterised in that: the air flue is along air-flow side
To aperture gradually become smaller, the air flue along airflow direction upstream inlet aperture maximum, the air flue along airflow direction flow down
Exit aperture is minimum.
5. a kind of negative pressure anti-tripping waste mould structure according to claim 1, it is characterised in that: the air flue and described
Three material-dropping hole junction tilt angles are more than or equal to 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115974.4U CN208542805U (en) | 2018-07-13 | 2018-07-13 | A kind of negative pressure anti-tripping waste mould structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821115974.4U CN208542805U (en) | 2018-07-13 | 2018-07-13 | A kind of negative pressure anti-tripping waste mould structure |
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| Publication Number | Publication Date |
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| CN208542805U true CN208542805U (en) | 2019-02-26 |
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| CN201821115974.4U Active CN208542805U (en) | 2018-07-13 | 2018-07-13 | A kind of negative pressure anti-tripping waste mould structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247004A (en) * | 2020-09-22 | 2021-01-22 | 合肥安信瑞德精密制造有限公司 | Waste collecting device for blanking valve plates |
-
2018
- 2018-07-13 CN CN201821115974.4U patent/CN208542805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247004A (en) * | 2020-09-22 | 2021-01-22 | 合肥安信瑞德精密制造有限公司 | Waste collecting device for blanking valve plates |
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