CN2207928Y

CN2207928Y - Double-colour plastic belt extrusion moulding machine

Info

Publication number: CN2207928Y
Application number: CN 94228409
Authority: CN
Inventors: 王业成
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-23
Filing date: 1994-04-23
Publication date: 1995-09-20
Anticipated expiration: 2004-04-23

Abstract

The utility model belongs to double-color plastic belt extruder. The host machine of the utility model is formed by that a same electric motor (1) and a speed change mechanism (2) are used for driving two screw rods (6) and (7) which are respectively provided with buckets (3) and (4), and the delivery outlets of the ends of the buckets are connected with a mold (9). The utility model has the advantages that the materials with two different colors are respectively plasticized by two sets of screw rod mechanisms to converge the same mold, which causes the plastic belt with two interphase colors and sharp boundary to be extruded, and the demand of the packaging plastic belts with various colors for the markets can be met.

Description

Double-colour plastic belt extrusion moulding machine

The utility model relates to a kind of dual-color plastic band extruder, belongs to the plastic products production equipment.

In worker, commerce, people are using plastic tape to pack widely.Along with the development of commodity economy, the decoration of commodity comprises the decorative effect of package packing supplies having embodied the value of itself more and more significantly.The plastic tape that is used to pack at present all is a single color, and its decorative effect is unsatisfactory, on the market now demand colorful be used for the packing plastics band.But the still incompetent equipment of directly producing the broken colour plastic tape in the prior art.

The purpose of this utility model is: provide a kind of dual-color plastic band extruder, to satisfy the demand of market to colorful packing plastics band.

Basic implementation of the present utility model is: the same with traditional plastic tape extruder, its main frame also is made up of motor, gear, hopper, screw rod and mould, different is: it is to drive two

screw rods

6,7 by same motor 1 and gear 2 thereof, these two screw rods are assembling hopper 3,4 respectively, and their terminal delivery outlet all joins with mould 9.

On the such scheme basis, the utility model also can be realized like this: set up a screw rod 8 that is assembling hopper 5 again, its terminal delivery outlet joins with a mould 11 identical with mould 9 structures, and the terminal delivery outlet of screw rod 7 joins with mould 9,11 respectively.

When realizing the utility model, the mould 9(mould 11 of main frame) concrete structure can be such: a. by respectively with screw rod 6(screw rod 8) two

parts

16,17 of joining of delivery outlet 13, screw rod 7 delivery outlets 14 are synthetic; B. with screw rod 6(screw rod 8) melting of the mould part 16 that joins be provided with a shunting boss 12 in the body groove, it is positioned at the below of screw rod delivery outlet 13, its both sides are the symmetry two plume roads that separate; C. be positioned at sustained height with the join body groove top of melting of mould part 17 of screw rod 7 with shunting boss 12 fronts, its width be 16 melt 1/2 or 1/3 of body groove width; D. the vertically middle separated time that melts the body groove in mould two

parts

16,17 coincides, and two bottoms of melting the body groove are converged mutually at mould extrusion 15 places.

Effect of the present utility model is: the material of two kinds of different colours can be plastified by two cover screw mechanisms respectively, melting body converges to same mould, melt each current limliting road of body to two kinds in the mould, converge together at the extrusion place at last, forming the alternate plastics melt band of two kinds of colors that the division is clearly demarcated extrudes, handle through subsequent technique again, just can disposablely produce this dual-color plastic band.

Fig. 1 is the utility model embodiment main frame general structure schematic diagram.

Fig. 2 be among Fig. 1 mould 9A-A to the right diagrammatic sketch of section.

Fig. 3 be among Fig. 1 mould 9A-A to section left side diagrammatic sketch.

Fig. 4 be among Fig. 1 mould 9B-B to sectional front view.

Below in conjunction with drawings and Examples the utility model is done further narration:

As shown in Figure 1, the main frame in this example is to drive three sleeving plastic extrusion screw rods, 6,7,8 mechanisms by same motor 1 and gear 2 thereof.Three screw rods are assembling the

hopper

3,4,5 of oneself separately respectively; Mould 9,11 structures that the end of

screw rod

6,8 connects are identical, are current divider boxs 10 and the end of screw rod 7 connects, and this case joins with mould 9,11 respectively by the conveying pipeline of two same structures.

Mould 9 that Fig. 2-4 shows or 11 internal structure: mould is synthetic by two

parts

16,17, in 17 melt the body well width be melt in 16 1/3, two of body groove melt the body groove vertically in separated time coincide.

Be that example adds an explanation with mould 9 below.The terminal delivery outlet 13 of screw rod 6 joins with 16 of mould, and screw rod 7 joins with 17 of mould by the conveying pipeline delivery outlet 14 of current divider box 10.If in hopper 3, insert yellow material, in hopper 4, insert red material, after main frame is started working, the yellow of plasticizing melt body will enter mould 16 in.As can be known, yellow is melted body promptly is output mouthful 13 belows after entering shunting boss 12 and is separated into two strands and equably from the downward diffluence in boss both sides from Fig. 2,4; Simultaneously, redness melt body one enter mould 17 in after, with reference to Fig. 3,4 as can be known, blocked and can not melt body by boss 12 fronts and mix mutually, downward diffluence with the yellow of 12 liang of side flow of boss.As shown in Figure 4, below the boss bottom, the body groove that melts in two parts of

mould

16,17 has united two into one, and forms wedge surface, meets at extrusion 15 places at last.Like this, red, yellow dichromatism melt body give along mould the runner that limits separately flow to boss below 12 after, just progressively be tending towards on the same plane, forming both sides at last at extrusion 15 places is yellow, middle extruding for red double-colored plasticizing melted body, yellow, red dichromatism has a common boundary clearly demarcated, and the yellow width of every side is identical with middle red width.This structure of being extruded is melted body through the subsequent technique processing, promptly becomes red, yellow dual-color plastic band.In this example, during enforcement, can in

hopper

3,5, add the yellow material of same amount, the red material that in hopper 4, adds same amount, like this, in mould 9,11, the same body that melts be will extrude, two dual-color red, yellow dual-color plastic band also just can be produced simultaneously.

Claims

1, a kind of dual-color plastic band extruder, its main frame is made up of motor, gear, hopper, screw rod and mould, it is characterized in that:

Drive two screw rods (6), (7) by same motor (1) and gear (2) thereof, these two screw rods are assembling hopper (3), (4) respectively, and their terminal delivery outlet all joins with mould (9).

2, extruder according to claim 1 is characterized in that:

Set up a screw rod (8) that is assembling hopper (5) again, its terminal delivery outlet joins with a mould (11) identical with mould (9) structure, and the terminal delivery outlet of screw rod (7) joins with mould (9), (11) respectively.

3, according to the described extruder of claim 2, it is characterized in that: the terminal current divider box (10) that connects of screw rod (7), this current divider box (10) joins with mould (9), (11) respectively by the identical conveying pipeline of two root architectures.

4, extruder according to claim 1 and 2 is characterized in that:

A. the mould of main frame (9) (mould (11)) is synthetic by the two parts (16) that join with screw rod (6) (screw rod (8)) delivery outlet (13), screw rod (7) delivery outlet (14) respectively, (17),

B. be provided with a shunting boss (12) in the body groove with melting of screw rod (6) (screw rod (the 8)) mould part that joins (16), it is positioned at the below of screw rod delivery outlet (13), and its both sides are the symmetry two plume roads that separate,

C. be positioned at sustained height with the join body groove top of melting of mould part (17) of screw rod (7) with shunting boss (12) front, its width melts 1/2 or 1/3 of body groove width for (16),

D. the vertically middle separated time that melts the body groove in mould two parts (16), (17) coincides, and two bottoms of melting the body groove are located to converge mutually at mould extrusion (15).