CN103273537A

CN103273537A - Punching die structure for avoiding product grinning

Info

Publication number: CN103273537A
Application number: CN2013102253950A
Authority: CN
Inventors: 冯建军
Original assignee: Nantong Chaoda Machine Science & Technology Co Ltd
Current assignee: NANTONG CHAODA MACHINERY AND TECHNOLOGY CO., LTD.
Priority date: 2013-06-07
Filing date: 2013-06-07
Publication date: 2013-09-04
Anticipated expiration: 2033-06-07
Also published as: CN103273537B

Abstract

The invention discloses a punching die structure for avoiding product grinning. The punching die structure for avoiding the product grinning comprises an upper die insert and a lower die insert, wherein the upper die insert and the lower die insert are matched with each other to form a die body. The punching die structure for avoiding the product grinning is characterized in that meshed cutter edges are arranged on the peripheries of the upper die insert and the lower die insert, and the outer side of the cutter edge of the upper die insert extends towards the direction of the lower die insert to form a stretching portion. The punching die structure for avoiding the product grinning enables a composite board to be extruded, pre-stretched and formed basically through the stretching portion, and then cutting is performed, so that a grinning phenomenon caused by friction between product edges and the cutter edges is avoided.

Description

The die cutting die structure of avoiding product to show money or valuables one carries unintentionally

Technical field

The present invention relates to the production mould, relate in particular to a kind of die cutting die structure of avoiding product to show money or valuables one carries unintentionally.

Background technology

Materials such as vehicle interior ceiling adopt composite panels such as also having nonwoven, glass mat to make, and wherein, the tensile property of nonwoven is relatively poor.

When this composite is carried out punching press, moulding, at first composite is carried out the infrared ray heating, carry out moulding, die-cut again.In die-cut process, composite directly contacts with the edge of a knife, produces friction, thereby makes the material cutting have bigger sequencing, and simultaneously, the tensile property of nonwoven is relatively poor, easily causes product to show money or valuables one carries unintentionally.

Summary of the invention

The objective of the invention is to overcome above deficiency, a kind of die cutting die structure of avoiding product to show money or valuables one carries unintentionally is provided.

The die cutting die structure of avoiding product to show money or valuables one carries unintentionally provided by the invention comprises: upper cores reaches die down, upper cores, following die cooperatively interact, form die ontology, it is characterized in that, the die periphery was provided with the intermeshing edge of a knife under upper cores reached, and the die direction is extended with extension section under the upper cores edge of a knife lateral.Thus, before die-cut, the outer edge of composite at first through extruding, prestretched, is cut after making composite draw thin, basic forming again, prevent from that product and the edge of a knife from directly contacting to produce to rub, the phenomenon that shows money or valuables one carries unintentionally occurs.

In some embodiments, the last edge of a knife of upper cores is positioned at the following edge of a knife outside of die down, and the edge of a knife was vertical and tangent under the last edge of a knife reached.Thus, the effect of pressure to, the last edge of a knife cooperatively interacts with the following edge of a knife, realizes cutting.

In some embodiments, extension section is positioned at the periphery of the edge of a knife, and plane, extension section place is lower than the plane at the edge of a knife place of upper cores, is provided with the gap between extension section and the last edge of a knife.Thus, product is well stretched.

In some embodiments, the distance in gap is 1-1.5mm.Thus, guarantee that product does not namely show money or valuables one carries unintentionally, also surplus limit can not occur.

In some embodiments, the height of extension section is 5-8mm.Thus, guarantee product fully to be pushed prestretched before die-cut, improved drawing effect.

The die cutting die structure of avoiding product to show money or valuables one carries unintentionally of the present invention compared with prior art has the following advantages:

The die cutting die structure of avoiding product to show money or valuables one carries unintentionally of the present invention by adopting extension section, allows composite board realize moulding substantially through the extruding prestretched earlier, and just cutting has then avoided product along producing the phenomenon that shows money or valuables one carries unintentionally with edge of a knife friction.

Description of drawings

Fig. 1 is the cutaway view of avoiding the die cutting die structure that product shows money or valuables one carries unintentionally of one embodiment of the present invention.

Fig. 2 is the structural representation of avoiding A part in the die cutting die structure that product shows money or valuables one carries unintentionally shown in Figure 1.

The specific embodiment

In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing the die cutting die structure of avoiding product to show money or valuables one carries unintentionally of the present invention is described in further detail.

Fig. 1 and Fig. 2 have schematically shown the die cutting die structure of avoiding product to show money or valuables one carries unintentionally according to one embodiment of the present invention, and this embodiment only is used for explaining the present invention, does not constitute the restriction to protection domain of the present invention.

As shown in the figure, the compound mould that ejects of die-cut acanthopore of the present invention comprises: upper cores 10 reaches die 20 down, and upper cores 10, following die 20 cooperatively interact, and form die ontology 1, and wherein, die 20 peripheries were provided with the intermeshing edge of a knife 30 under upper cores 10 reached.

As shown in the figure, the last edge of a knife 301 of upper cores 10 is positioned at the following edge of a knife 302 outsides of die 20 down, and the edge of a knife 302 was vertical and tangent under the last edge of a knife 301 reached.Die 20 directions are extended with extension section 40 under upper cores 10 edge of a knife laterals, and extension section 40 is positioned at the periphery of the edge of a knife 301, and plane, extension section 40 place is lower than the plane at the edge of a knife place of upper cores 10.The height of extension section 40 is 5-8mm, and in this embodiment of the present invention, the height of extension section 40 is made as 6mm, guarantees product fully to be pushed prestretched before die-cut, has improved drawing effect.301 on extension section 40 and the last edge of a knife are provided with gap 4301, and the distance in gap is 1-1.5mm, and in this embodiment of the present invention, the distance in gap is made as 1.2mm, to guarantee that product does not namely show money or valuables one carries unintentionally, also surplus limit can not occur.

When die cutting die uses, to composite board through the infrared ray heating after, carry out molding press cutting by containing the die cutting die of the die cutting die structure that product shows money or valuables one carries unintentionally of avoiding of the present invention again.The die cutting die structure of avoiding product to show money or valuables one carries unintentionally of the present invention by adopting extension section, allows composite board realize moulding substantially through the extruding prestretched earlier, and just cutting has then avoided product along producing the phenomenon that shows money or valuables one carries unintentionally with edge of a knife friction.

Claims

1. the die cutting die structure of avoiding product to show money or valuables one carries unintentionally, comprise: upper cores (10) reaches die (20) down, described upper cores (10), following die (20) cooperatively interact, form die ontology (1), it is characterized in that, die (20) periphery was provided with the intermeshing edge of a knife (30) under described upper cores (10) reached, and described die (20) direction down in described upper cores (10) edge of a knife lateral is extended with extension section (40).

2. according to the die cutting die structure of avoiding product to show money or valuables one carries unintentionally shown in the claim 1, it is characterized in that, the last edge of a knife (301) of described upper cores (10) is positioned at the following edge of a knife (302) outside of described down die (20), describedly goes up the edge of a knife (301) and the edge of a knife (302) is vertical and tangent down.

3. the die cutting die structure of avoiding product to show money or valuables one carries unintentionally according to claim 2, it is characterized in that, described extension section (40) is positioned at the described periphery that goes up the edge of a knife (301), described extension section (40) plane, place is lower than the plane at the edge of a knife place of described upper cores (10), and described extension section (40) and described going up between the edge of a knife (301) are provided with gap (4301).

4. the die cutting die structure of avoiding product to show money or valuables one carries unintentionally according to claim 3 is characterized in that, the distance of described gap (4301) is 1-1.5mm.

5. according to arbitrary described die cutting die structure of avoiding product to show money or valuables one carries unintentionally in the claim 1 to 4, it is characterized in that the height of described extension section (40) is 5-8mm.