CN2640000Y - Parallel bunding foldable overhead cable extrusion mould - Google Patents

Abstract

The utility model relates to a concentricity easily adjusted, the dimension of a product easily controlled mould which is used on a small extruder, aiming at solving the problem that an prior mould for producing an folding parallel assembled distribution overhead cable has the disadvantages of having concentricity difficulty to adjust, difficulty to control the dimension of a product and being used on a large extruder. The utility model comprises an external form (1) and a mould core (2). A plurality of core holes (3) positioned in the external form (1) are arranged in a rectangular shape and form an upper and lower double-layer structure. The shape of the mould core (2) is matched with the external form (1). The mould core (2) is sleeved in the external form (1) and is concentric with the external form (1).

Description

The empty cable extrusion die of parallel boundling Foldable stand

Technical field

The utility model relates to a kind of cable to be extruded and uses mould, and a kind of specifically empty cable of parallel boundling Foldable stand that is applied in is extruded and used mould.Be applicable to that insulation and plastics such as sheath extrude.

Background technology

At present a kind of novel collapsible parallel bundle assembled aerial cable is arranged on the market, because of its function admirable is greatly favored by consumers.But the production of this cable is difficulty very.Be with regard to its reason: because of the die sleeve core rod that is used to produce the mould of extruding is bar shaped, up and down and about adjust very difficulty of concentricity, often adjusted bad in four, five hours, even adjusted mould, the product size of producing is owing to be subjected to the influence of strip structure mold, the pressure inequality of plastics causes product size to be difficult for holding, and the size of connecting band is difficult to control especially.Simultaneously, because this mould external diameter is big, must use on large-scale extruder, be at least φ 150 types, and gel quantity be big, cause thus that the material energy consumption is big, the insulation core shift is many, power consumption of polymer processing is big, rate of finished products (below 80%).And this mould exists also that the product foldability of production is relatively poor, defective such as physical dimension is not tight.

Summary of the invention

The utility model be intended to the product size that the concentricity that existing collapsible parallel bundle assembled aerial cable production exists with mould is difficult for adjusting, produced be difficult to hold, the defective of the large-scale extruder of needs use etc., the mould on small-sized extruder is easily held, used to the product size that provides a kind of concentricity easily to adjust, produce.

For solving the problems of the technologies described above, the technical scheme that the utility model adopted is as follows:

The empty cable extrusion die of a kind of parallel boundling Foldable stand comprises die sleeve and core rod, it is characterized in that: the many rectangular layouts in core hole in the die sleeve, core rod shape and die sleeve are suitable, are placed in the die sleeve concentric with die sleeve.

Four core holes are arranged in the utility model die sleeve, and rectangular arrangement constitutes two-layer up and down.

The beneficial effects of the utility model show:

One, the utility model is by the folding requirement design of cable, and die sleeve adopts double-decker up and down, and the overall dimension of entire die is reduced, the pressure of plastics in mould is more even, the easier assurance of product size makes it be applicable to less extruder, has reduced spillage of material and energy consumption generally;

Two, the utility model has been considered parallel lay-up, and physical dimension is tight, and the connecting band size is more easy to control, the overall dimension of product is diminished, economical with materials;

Three, core rod, die sleeve concentric design are convenient to production and processing and mould adjustment.

Description of drawings

Fig. 1 a is a die sleeve plan structure schematic diagram, and b is the A-A cross-sectional view of a

Fig. 2 is the utility model core rod plan structure schematic diagram

Embodiment

The empty cable extrusion die of a kind of parallel boundling Foldable stand comprises die sleeve 1 and core rod 2, and four core holes, the 3 rectangular layouts in the die sleeve 1 are two-layer about constituting, and wherein are communicated with between two, extrudes to be connecting band 4.Core rod 2 shapes and die sleeve 1 are suitable, are enclosed within the die sleeve 1 concentric with die sleeve 1.

Claims (2)

1, the empty cable extrusion die of a kind of parallel boundling Foldable stand, comprise die sleeve (1) and core rod (2), it is characterized in that: the rectangular layout in many core holes (3) in the die sleeve (1), core rod (2) shape and die sleeve (1) are suitable, are placed in the die sleeve (1) concentric with die sleeve (1).

2, the empty cable extrusion die of a kind of parallel boundling Foldable stand according to claim 1 is characterized in that: four core holes (3) are arranged in the die sleeve (1), and rectangular arrangement constitutes two-layer up and down.