CN201049508Y

CN201049508Y - Die cutting and forming integrated die

Info

Publication number: CN201049508Y
Application number: CNU2007200538113U
Authority: CN
Inventors: 陈葵
Original assignee: HUIZHOU DESAI LANXUN PRECISION TECHNOLOGY Co Ltd
Current assignee: HUIZHOU DESAI LANXUN PRECISION TECHNOLOGY Co Ltd
Priority date: 2007-07-02
Filing date: 2007-07-02
Publication date: 2008-04-23
Anticipated expiration: 2017-07-02

Abstract

The utility model relates to the die technique field, concretely, relates to an integrated cutting and forming die for forming and cutting PET, PC, PMMA and composite plastic sheet materials with the thickness range of 0.075mm to 0.188mm. The integrated cutting and forming die comprises an upper die and a lower die, the upper die includes a concave die which is arranged in a concave die plate, the concave die plate is connected with a panel, the middle part of the panel is connected with a punch shank, and the lower die comprises a convex die which is disposed in a convex die plate fixed on a bottom plate, the upper part of the convex die protrudes to the outside of the convex die plate, the sizes of cross sections of the concave die and the convex die are the same, a cavity body in which the concave die can move is arranged in the concave die plate, and the concave die is connected with a spring fixed in the panel by a pole support. The utility model provides the integrated cutting and forming die to integrate the die cutting and forming of the plastic sheet materials into one die set, thus simplifying the equipment and reducing the production cost, and the technique process is simple and controllable. The utility model has the greatly improved production efficiency and increased rate of good product.

Description

Punching molding one phantom

Technical field

The utility model relates to technical field of mold, relates to punching molding one phantom that is used for moulding and cuts off PET, PC, PMMA and the complex plastic sheet material of 0.075mm～0.188mm thickness range particularly.

Background technology

In recent years, the structure of domestic electronic appliances and communication product is more and more exquisite, and appearance and modeling is more and more abundanter, and the decorative effect on plane can't satisfy the demand in market, in this case, the decorated injection-moulded technology of in-mode inserts (IML) has obtained development at full speed.

IML is that the decorative pattern with product at first is printed on the plastic film sheet material, get off the plastic sheet shape as required that prints is die-cut then, again the die-cut film that gets off is molded into the curved surface that needs, at last film die-cut and that moulding is finished is placed in the injection mold cavity, after the mold-closing injection film and plastic material is synthesized final products.

Routine need use different moulds to finish to the die-cut and moulding of plastic sheet, not only cost costliness but also production efficiency are low, simultaneously since sheet material die-cut be molded over different operations and finish, the position of sheet material unavoidably can produce deviation, cause the decorative pattern position of final products to produce change, had a strong impact on the qualification rate of final products.

The utility model content

Technical problem to be solved in the utility model provides a kind of die-cut, moulding with plastic sheet and combines in a mold, can enhance productivity and punching molding one phantom of yield rate.

The utility model is achieved through the following technical solutions:

Design a kind of punching molding one phantom, comprise upper die and lower die, patrix includes die, and die is arranged in the concave template, concave template and panel connect together, the panel middle part is connected with die shank, and described counterdie includes punch, and punch is arranged in the convex template that is fixed on the base plate, punch top protrudes in outside the convex template, the cross section size of die and punch is identical, is provided with the cavity that moves for die in the concave template, and die is connected with spring in being fixed on panel by pole.

As improvement of the technical scheme, the die of butt joint and punch middle part are provided with through hole, and the cylindrical punch that is provided with on the panel probes in the through hole at die middle part.

The utility model has following remarkable result compared to existing technology:

The utility model provides a kind of punching molding one phantom that die-cut, the moulding of plastic sheet combined in a mold to have simplified equipment, reduced production cost, the technical process simple controllable.And production efficiency and yields have all had lifting by a relatively large margin.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further specified.

Fig. 1 is the not longitudinal sectional drawing of die-cut state of punching molding one mold forming.

Fig. 2 is the longitudinal sectional drawing of punching molding one mold forming and die-cut completion status.

1. die shanks among the figure, 2. spring, 3. panel, 4. concave template, 5. convex template, 6. base plate, 7. punch, 8. plastic sheet, 9. drift, 10. die, 41. cavitys.

The specific embodiment

Referring to Fig. 1,2, a kind of punching molding one phantom comprises upper die and lower die, the patrix of spring 2, panel 3, concave template 4, die 10 and drift 9 assemblings becoming punching molding one phantom.Wherein die is arranged in the concave template 4, and concave template and panel 2 connect together, and is provided with the cavity 41 that moves for die in the concave template, and die is connected with spring 2 in being fixed on panel by pole.The cylindrical punch 9 that is provided with in the panel probes into the die middle part.The panel middle part is connected with the die shank 1 of protrusion, by die shank 1 patrix is fixed on the moving platen of punching molding one phantom auxiliary equipment.

The counterdie of punching molding one phantom is assembled by convex template 5, base plate 6 and punch 7.Wherein punch is arranged in the convex template, and punch top protrudes in outside the convex template, and convex template is fixed on the base plate.Whole counterdie is to be fixed on the solid plate of punching molding one phantom auxiliary equipment.

When needs punching molding one phantom to the plastic sheet injection mo(u)lding with when die-cut, plastic sheet 8 needs are die-cut and moulding is fixed between the punch of the die of patrix of punching molding one phantom and counterdie, the moving platen that relies on auxiliary equipment presses down stroke to what patrix provided, patrix progressively presses down, the die 10 that at first is patrix contacts with the punch 7 of counterdie, plastic sheet 8 is pressed in the centre, finishes the forming process of plastic sheet after the injection moulding.

After injection molding process is finished; patrix can continue descending under the effect of the moving platen of auxiliary equipment; the die of patrix makes the spring 2 at patrix die rear portion be compressed under the effect of the punch of counterdie, at the drive lower cavity die of spring gradually in the cavity 41 of retraction concave template.The die of the utility model punching molding one phantom and the cross section size of punch are identical.Just when mould is gradually in the cavity of retraction concave template, the original edge edge of a knife that contacts with die on the descending concave template 4 can join with the edge edge of a knife dislocation of punch, need die-cut position to cut off on the periphery of plastic sheet, in the descending process of patrix, finished die-cut to plastic sheet.

Be provided with columniform drift 9 in the panel of the utility model punching molding one phantom, and the die of butt joint and punch middle part are provided with through hole, drift 9 is to probe in the through hole at die middle part.When patrix was for the second time descending, the descending edge edge of a knife dislocation with the punch through hole of the punch edge edge of a knife in the die through hole was joined, and can realize the die-cut of year old centre position of plastic sheet.

After whole moulding and die-cut process are finished, realize upper and lower mould die sinking, moulding and the die-cut plastic sheet of finishing taken out that whole plastic sheet punching molding process finishes by punching molding one phantom auxiliary equipment.

The stroke that presses down that the utility model relies on auxiliary equipment to provide makes the upper mould die contact the counterdie punch, carries out mold-closing injection in the middle of plastic sheet is pressed in.All offer the edge edge of a knife on punch of the present utility model and the concave template, the counterdie punch edge edge of a knife does not contact with the concave template edge of a knife during injection moulding, and this stage is finished the injection mo(u)lding to plastic sheet.What rely on then that auxiliary equipment provides continues to press down stroke, patrix continues descending, the spring compression at patrix die rear portion, the patrix die is toward the interior indentation of cavity, this moment, the edge edge of a knife of concave template contacted with the edge edge of a knife of punch, with the die-cut disconnection of film shape as required, thereby realize the moulding of plastic sheet and be punched in the same set of mould finishing.

The utility model can also be adjusted time of plastic sheet moulding by adjusting two periods time intervals that press down in the stroke, adjusts the pressure of plastic sheet moulding by the specification of adjusting patrix die Rear springs.The utility model can be used for moulding and cut off PET, PC, PMMA and the complex plastic sheet material of 0.075mm～0.188mm thickness range, and work simplification is practical.

Claims

1. punching molding one phantom, comprise upper die and lower die, described patrix includes die (10), die is arranged in the concave template (4), concave template and panel (2) connect together, the panel middle part is connected with die shank (1), described counterdie includes punch (7), punch is arranged in the convex template (5) that is fixed on the base plate (6), it is characterized in that: punch top protrudes in outside the convex template, the cross section size of die and punch is identical, is provided with the cavity (41) that moves for die in the concave template, and die is connected with spring (2) in being fixed on panel by pole.

2. punching molding one phantom according to claim 1 is characterized in that: the die of described butt joint and punch middle part are provided with through hole, and the cylindrical punch that is provided with on the panel (9) probes in the through hole at die middle part.

3. punching molding one phantom according to claim 2, it is characterized in that: described patrix is connected with moving platen, and counterdie is connected with solid plate.