A kind of mouth mould
Technical field
The present invention relates to the processing of bottle crude green body accessory, particularly a kind of mouth mould for the shaping punching press assembly of bottle.
Background technology
The processing of bottle crude green body is generally divided into the method for blowing and press-and-blow process two kinds of methods, and press-and-blow process is by bottle by punching press assembly pressure once, then blows and once can form bottle crude green body; Existing ranks bottle-making machine punching press assembly is made up of mouth mould, mouth circle and drift three part, but existing punching press assembly due to structure design reasonable not, a lot of problem can be caused, have influence on the processing quality of bottle.
Such as mouth mould is mounted on blank mould, and in the course of processing, mouth mould can often overturn, and because mouth mould is all straight up and down up and down, so than being easier to encounter blank mould, thus has influence on processing.
Summary of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of mouth mould of novelty, this mouthful of mould improves shape, the structure of mouthful mould, thus makes it can not encounter blank mould when overturning.
Technical scheme of the present invention is achieved in that
A kind of mouth mould, is provided with the through hole for drift turnover movement in mouth mould, and mouth mould surrounding is convexly equipped with in order to connect the set ring embracing pincers, and be provided with the first arc slope on the top of set ring, the diameter of the first arc slope increases from top to bottom gradually; Be provided with the second arc slope in the bottom of set ring, the diameter of the second arc slope increases from down to up gradually.
More smooth in order to make drift move, play guide effect to drift, as preferably, in mouth mould bottom punch ingress, the internal diameter ecto-entad of the first through hole from large to small.
Have employed the invention has the beneficial effects as follows of technique scheme:
The present invention is provided with the first arc slope on the top of mouth mould set ring, is provided with the second arc slope in the bottom of set ring; Thus make the top and the bottom of set ring form respectively the rounding off of taper, avoid encountering blank mould when overturning.
Accompanying drawing explanation
Fig. 1 is the structural representation of mouth mould of the present invention.
Embodiment
The specific embodiment of the present invention is as follows:
Embodiment: a kind of mouth mould, as shown in Figure 1, be provided with the through hole 4 for drift turnover movement in mouth mould 1, mouth mould 1 surrounding is convexly equipped with in order to connect the set ring 8 embracing pincers, the diameter being provided with the first arc slope 13, first arc slope 13 on the top of set ring 8 increases from top to bottom gradually; The diameter being provided with the second arc slope 14, second arc slope 14 in the bottom of set ring 8 increases from down to up gradually.
At mouth mould bottom punch entrance 11 place, the internal diameter ecto-entad of the first through hole 4 from large to small.