CN201471717U

CN201471717U - Wet-dry combination shaped mold

Info

Publication number: CN201471717U
Application number: CN200920169224XU
Authority: CN
Inventors: 冯跃福
Original assignee: CHENGDU XINHU DECORATION MATERIALS Co Ltd
Current assignee: CHENGDU XINHU DECORATION MATERIALS Co Ltd
Priority date: 2009-08-20
Filing date: 2009-08-20
Publication date: 2010-05-19
Anticipated expiration: 2019-08-20

Abstract

The utility model discloses a wet-dry combination shaped mold which comprises two parts, wherein, the first part is classified as a first stage shaped mold (1), and the second part is classified as an open-ended water trough (2) used for cooling profiles. The utility model has the benefits that during the production process, after extruded by a screw rod extruder, melted PVC passes through the first stage shaped mold quickly and enters the water trough after vacuum forming and cooling shaping in the mold; and cooling water is filled in the water trough, so that a buckle plate is further cooled in the water trough. The water trough adopts an open-ended structure, so the radiating effect is better; since the cooling distance of plastic profiles is longer in production, the extrusion speed of the screw rod extruder can be greatly increased; and the cooling speed is high, and molecules of the products combine more closely, thereby enhancing the mechanical strength of finished products and great improving the appearance qualification rate of the products. Additionally, the utility model has the advantages of simple manufacturing technology, lower cost and convenient popularization.

Description

Do wet combination stock mould

Technical field

The utility model relates to a kind of stock mould, is specifically related to a kind of stock mould that plastic material is cooled off and finalizes the design.

Background technology

Plastic material generally is raw material obtain certain beginning through die head behind the fusion plastification in extruder barrel a molten base, enters into shaper again.Existing shaper has only a part, the length of stock mould has vacuum hole and cooling hole often between 54-55CM above the stock mould, plastic material in mould through vacuo-forming, the logical cold water in cooling hole is used for cooling and shaping, and the finished product of plastic material is extruded from the mould other end.Existing mould is because the interior environment of mould comparatively seals, and radiating effect is not good, and the cooling and shaping effect is bad, therefore must keep the slower speed of passing through aborning, and production efficiency is lower.The plastic material of Rong Huaing is by mould the time, to produce 485kg/M in process of production ²The PVC buckle of specification is an example, and when using this mould, in order to ensure the quality of products, the extruded velocity of per minute only is about 1.8 meters.

Notification number is CN2594001Y, the day for announcing is that the Chinese utility model patent on December 24th, 2003 discloses a kind of " a kind of plastic irregular profile stock mould device " by name, this utility model is to be provided with the shaped die cover outside die cavity, die sleeve places water tank, be provided with through hole at water tank, be provided with hole or the seam that is connected with die cavity at the die sleeve wall.This utility model is designed to the die sleeve form similar to cavity shape with the dry type calibrator, be distributed with the seam or the hole that are connected with die cavity on the die sleeve, and die sleeve placed vacuum water tank fully, make it obtain cooling, while makes plastic parison and goods press close to the die sleeve die cavity by the negative pressure in the vacuum water tank and obtains typing, though such design has improved cooling effectiveness and cooling uniformity to a certain extent, but the heat exchange of this design is in fact still carried out indirectly, and the effect of this cooling is effective not as what directly half-formed product is contacted with cooling water.

The utility model content

The utility model provides a kind of wet combination stock mould of doing, and it is bad to have solved existing stock mould device cooling and shaping effect, can cause the technical problem that extruded velocity is very slow, influence production efficiency simultaneously.

For solving above-mentioned technical problem, the utility model by the following technical solutions:

A kind of combination stock mould that wets of doing, comprise two parts, two parts all are installed on the backing plate, first is first section stock mould, this first section stock mould one end is the section bar inlet, the other end is the section bar outlet, first section stock mould inside comprises typing die cavity and cooling line, the shape of the shape of this typing die cavity and plastic material to be processed is suitable, this first section stock mould outside is provided with vacuum hole and cooling hole, wherein cool off Kong Yiduan and cold water pipe and connect, the other end communicates with the cooling line of first section stock mould inside, and the second portion of doing wet combination stock mould is an open tank; One end of this open tank is adjacent with the outlet of the section bar of first section stock mould, and is provided with the section bar inlet at this end, and the other end of open tank is provided with the section bar outlet.

Further technical scheme is:

First section stock mould is divided into stereotype plate and following stereotype plate two parts, is flexible connection between two parts.

The last stereotype plate of first section stock mould is outside equipped with holding screw.

First section stock mould, the open tank of doing wet combination stock mould all are installed on the backing plate by bolt.

The utility model can also be:

The shape of the mold cavity of the first section die inside is any one in corrugated, plate shaped, trapezoidal, the corrugation shape.

Described open tank be shaped as cuboid, and be divided into left and right sides two parts.

The length of described first section stock mould is 44cm to 45cm.

Compared with prior art, the beneficial effects of the utility model are: in process of production, after the PVC that melts is extruded by screw extruder, fast through first section shaper, in mould through vacuo-forming, enter open tank behind the cooling and shaping, fill cooling water in the tank, buckle is further cooling in tank.Because tank is an Open architecture, so radiating effect is better, and owing to plastic material cools off aborning apart from longer, so can increase substantially the extruded velocity of screw extruder; And because cooling velocity is fast, in conjunction with tightr, the mechanical strength of finished product increases between products molecule, and the appearance yield of product also significantly improves.And the utility model production technology is simple, and cost is lower, is convenient to promote.

Description of drawings

Fig. 1 is the utility model overall structure schematic diagram;

Fig. 2 is the profile of Fig. 1 along A-A '.

The specific embodiment

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

As shown in Figure 1, 2, a kind of combination stock mould that wets of doing, comprise two parts, three parts all are installed on the backing plate 5 by bolt, first is that a length is at the first section stock mould 1 of 44CM to 45CM, these first section stock mould 1 one end is section bar inlet 11, the other end is section bar outlet 12, first section stock mould 1 inside comprises typing die cavity and cooling line, the shape of this typing die cavity and the shape of plastic material to be processed are suitable, for example are: corrugated, plate shaped, trapezoidal, corrugation shape etc.This first section stock mould 1 outside is provided with vacuum hole 13 and cooling hole 14, wherein cools off hole 14 1 ends and communicates with the cooling line of first section stock mould 1 inside with the cold water pipe connection other end.The second portion of doing wet combination stock mould is the open tank 2 of a cuboid, two parts about this open tank 2 is divided into; It is 12 adjacent that one end of this open tank 2 and the section bar of first section stock mould 1 export, and be provided with section bar inlet 21 at this end, and the other end of open tank 2 is provided with section bar outlet 22; First section stock mould 1 is divided into stereotype plate and following stereotype plate two parts, and for flexibly connecting, last stereotype plate is outside equipped with holding screw 15 between two parts.

The utility model is particularly suitable for the typing and the cooling of PVC fastener, and the utility model is particularly suitable for the typing and the cooling of PVC fastener, adopts the two-period form structure, and first section shaper fundamental sum original mould is identical, and the mould rear end increases by one section tank.In process of production, after the PVC of thawing was extruded by screw extruder, fast through first section die, through vacuo-forming, cooling and shaping is laggard went into tank, fills cooling water in the tank in mould, and buckle is further cooling in tank.Because tank is an Open architecture, so radiating effect is better, what this moment, the buckle surface temperature was fallen is lower, and because cooling velocity is fast, in conjunction with tightr, the mechanical strength of finished product increases between products molecule.

Claims

1. do wet combination stock mould for one kind, comprise two parts, two parts all are installed on the backing plate (5), first is first section stock mould (1), this first section stock mould (1) one end is a section bar inlet (11), the other end is section bar outlet (12), first section stock mould (1) inside comprises typing die cavity and cooling line, the shape of the shape of this typing die cavity and plastic material to be processed is suitable, this first section stock mould (1) outside is provided with vacuum hole (13) and cooling hole (14), wherein cooling off hole (14) one ends communicates with the cooling line of the cold water pipe connection other end and first section stock mould (1) inside, it is characterized in that: the described second portion of doing wet combination stock mould is an open tank (2), the section bar outlet (12) of one end of this open tank (2) and first section stock mould (1) is adjacent, and being provided with section bar inlet (21) at this end, the other end of open tank (2) is provided with section bar outlet (22).

2. the combination stock mould that wets of doing according to claim 1, it is characterized in that: described first section stock mould (1) is divided into stereotype plate and following stereotype plate two parts, is to flexibly connect between two parts.

3. the combination stock mould that wets of doing according to claim 2, it is characterized in that: the last stereotype plate of described first section stock mould (1) is outside equipped with holding screw (15).

4. the combination stock mould that wets of doing according to claim 1 is characterized in that: described first section stock mould (1) and the open tank (2) of doing wet combination stock mould all is installed on the backing plate (5) by bolt.

5. according to claim 1ly do wet combination stock mould, it is characterized in that: the shape of the mold cavity that described first section stock mould (1) is inner is any one in corrugated, plate shaped, trapezoidal, the corrugation shape.

6. according to claim 1ly do wet combination stock mould, it is characterized in that: described open tank (2) be shaped as cuboid, and be divided into left and right sides two parts.

7. the combination stock mould that wets of doing according to claim 1, it is characterized in that: the length of described first section stock mould (1) is between the 44cm to 45cm.