SU1502378A1 - Casting mould for manufacturing elongated hollow articles - Google Patents

Abstract

The invention relates to an injection molding tooling for plastics and can be used for the manufacture of long hollow articles with reinforcement or mortgage marks. The goal is to reduce the size of the form and expand the technological capabilities by ensuring the manufacture of products with fittings or mortgage marks. For this purpose, on guide columns 4, fixed at one end in the upper bar 3, and at the other in the lower bar 13, are mounted with the possibility of longitudinal movement of the brackets 5 equipped with an axis 9 which is pivotally connected to the lower ends of the elongated levers 7. The brackets 5 are attached the rod 14, passing through the hole in the upper bar 3 and secured by the second end on the traverse 15, which carries the punch 6. Aligned with the punch 6 is the sign 10, which is fixed in a cassette that includes the support 11 and the presser 12 strap. The cassette is installed in the guides made on the bottom bar 13. 3 Il.

Description

315023

capabilities by providing products with rebar or mortgage marks. For this purpose, on guide columns 4, fixed at one end in the upper bar 3, and at the other in the lower bar 13, are mounted with the possibility of longitudinal movement of the brackets 5, provided with an axis 9, which is pivotally connected to the lower ends of the elongated arms

7. A rod 14 is attached to the brackets 5, passing through a hole in the upper bar 3 and secured with a second end on the crosspiece 15 carrying the punch 6. Coaxially with the punch 6, there is a sign 10 fixed in a cassette including a support 11 and a presser 12 bar. The cassette is installed in the guides mounted on the bottom bar 13. 3 Il.

FIELD: equipment.

for plastics processing by injection molding and can be used for the manufacture of long hollow articles equipped with fittings or elements with mortgage marks.

The purpose of the invention is to reduce the size of the form and expand technological capabilities by providing the manufacture of products with fittings or mortgage marks.

FIG. 1 shows the casting form side view; in fig. 2 shows sections A-A and B-B in FIG. one; in fig. 3 - casting form in the open position.

The casting mold for the manufacture of long hollow articles contains a movable semi-matrix 1 and a fixed semi-matrix 2, guiding columns 4 attached to the upper bar 3 with a bracket 5, carrying a 7-long link and a shaft passed through the hole in the upper bar of the punch 6, 8 short levers, with some ends of long levers being hinged on semi-matrices, and others between themselves and on axis 9, which is made on bracket 5, one ends of short levers are pivotally connected to the middle part of other levers, while the other ends are connected between themselves and with the axis fixed in the upper bar, sign 10 coaxially with the punch 6, fixed in the lash, including the support bar 11 and the clamp bar 12 and installed in the guides made on the lower bar 13, to which the second end of the guide columns 4 is fixed, a rod 14 is attached to the bracket 5 by one end, passing through the opening of the upper bar 3, and

the other end of the rod is attached to the crosspiece 15, which carries the punch 6, which forms the internal cavity of the products 16.

The form works as follows.

In the open position of the mold, a cassette is inserted along the guides of the bottom bar 13, including a mark 10, a support bar 11 and a clamping bar 12. Sign 10, as in this case, can make a thread in the product, and in another case there can be a valve holder. After installing the cassette shape is closed. In the process of closing, the movable semi-matrix 1 approaches the fixed 2, the ends of the elongated levers 7 hinged on the semi-matrixes converge, and the ends of these levers fixed on the brackets 5 with the axis 9 are lowered down, carried along by the bar 14 and the cross bar 15 punch 6.

I

In the closed position, the melt is fed into the mold-forming mold and, after an appropriate technological charge, is crushed.

In the process of unfolding, the movable semi-matrix 1 departs from the fixed 2, and together with them the ends of the elongated arms also diverge. At the same time, the second ends of these levers, pivotally fixed by means of the axis 9 on the bracket 5, are raised upwards. The bracket 5, rising upward along the guide column 4, which, due to the lever parallelogram mechanism, remains stationary in the axial direction and constantly stands in an equal, intermediate position between the fixed and movable semi-matrixes, also raises the 461) 83 rod 14 and the crosspiece 15 punch 6 , remove it from product 16.

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Claims (1)

Injection mold for the manufacture of lengthy hollow articles, containing movable and fixed half-matrix, guide columns with crawling mounted on the upper bar 1502378 6 nom, bearing a punch passed through its hole, a parallelogram linkage mechanism connected by the hinge axes to the upper bar and the ends of the elongated levers to the upper lateral sides of the fixed and movable half-matrices, and a sign located on the lower bar, coaxial with the punch, characterized in what, in order to reduce. dimensions and expanding technological capabilities by ensuring the manufacture of products with fittings or embedded signs, the guide columns with the opposite upper bar end connected to the lower bar, the slider is made in the form of mounted on the columns with the possibility of longitudinal movement of the bracket, to which is fixed, the rod passed through the hole in the upper bar and bearing the punch fixed to the traverse, and the bracket is equipped with an axis connecting the ends of the leverage of the lever fur low, and the sign is fixed on the cassette installed in the guides made on the lower bracket.