CN101396861A

CN101396861A - Ejection machine and ejection forming method

Info

Publication number: CN101396861A
Application number: CNA2007102018921A
Authority: CN
Inventors: 吕育翰
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2007-09-28
Filing date: 2007-09-28
Publication date: 2009-04-01

Abstract

The invention provides an injection machine, comprising a feeding system and an injection system which is connected with the feeding system. The injection system comprises a barrel and an injection device arranged in the barrel and is characterized in that the feeding system comprises at least a first barrel device and a second barrel device, the first barrel device and the second barrel device respectively comprise a barrel, a distributor pipe and a switch which is used for controlling one end of the distributor pipe to be communicated with the barrel or separated from the barrel, the other ends of the two distributor pipes are connected with the barrel of the feeding system, the two barrels are respectively used for loading a first material and a second material. The invention also provides an injection molding method by using the injection machine.

Description

Ejaculator and injection forming method

Technical field

The present invention relates to a kind of ejaculator, relate in particular to ejaculator and injection forming method with a plurality of hoppers.

Background technology

Along with modern industry, especially accurate industrial expansion, ejaculator (being also referred to as injector) is widely used in the accurate goods of materials such as ejection formation plastics, glass, metal.

A kind of typical ejaculator is as " engineering plastics application ", what 1999 27 volumes were included the 6th phase one is entitled as shown in the article of " injection-moulding plastic process equipment ", it generally includes barrel, a screw rod and a nozzle that hopper, that a charging uses has heater, this screw rod will push nozzle through the material of barrel heating plasticizing, this nozzle contacts with mould, thereby can carry out moulding.

What above-mentioned ejaculator adopted is single hopper, intact when an a kind of mould formed product of material, in the time of changing another kind of material and carry out next mould product of moulding, this hopper, barrel, screw rod all will clean earlier, and then be loaded into this another kind material, just can carry out this next mould product of moulding.So, this ejaculator need quit work the long period, be unfavorable for producing continuously and the raising of efficient.

Summary of the invention

In view of this, provide that a kind of to be convenient to different material quantity-produced ejaculator and injection forming method real in necessary.

A kind of ejaculator, it comprises a feed system and an injecting systems that is connected with this feed system, described injecting systems comprises that a barrel and is positioned at the injection device of this barrel, described feed system comprises at least one first magazine attachment and one second magazine attachment, described first and second magazine attachment comprises a hopper respectively, one sub-feed tube and one is used to control the switch that an end of this sub-feed tube is communicated with or cuts off with hopper, the other end of these two sub-feed tubes all is connected with the barrel of described injecting systems, and these two hoppers are respectively applied for and load one first kind of material and one second kind of material.

A kind of injection forming method that uses above-mentioned ejaculator, it comprises the steps: to load first kind of material in the hopper of described first magazine attachment; This first kind of material of ejection formation, and load second kind of material in described second magazine attachment; Clean described barrel and injection device; This second kind of material of ejection formation.

Compared with prior art, described ejaculator is owing to have at least two hoppers, during first kind of material forming in a hopper, second kind of material can enter in another hopper, carry out the preparation of moulding next time, so this ejaculator is convenient to the continuous production of different material, and production efficiency is improved.

Description of drawings

Fig. 1 is ejaculator that the first embodiment of the present invention a provides schematic diagram when being used for moulding.

Fig. 2 is ejaculator that the second embodiment of the present invention a provides schematic diagram when being used for moulding.

The specific embodiment

Below in conjunction with accompanying drawing ejaculator provided by the invention and injection forming method are described in further detail.

See also Fig. 1, the ejaculator 100 that the first embodiment of the present invention provides is used for cooperating moulding one product with a mould 200, and this ejaculator 100 comprises a feed system 10 and an injecting systems 20 that is connected with feed system 10.

Described feed system 10 comprises one first magazine attachment 12 and one second magazine attachment 14.Described first and

second magazine attachment

12,14 comprises that respectively a hopper 122,142, a sub-feed tube 124,144 and are used to control an end of this sub-feed tube 124,144 and the magnetic valve 126,146 that hopper 122,142 is communicated with or cuts off.Described two hoppers 122,142 are respectively applied for and load one first kind of material 120 and one second kind of material 140.The other end of described two sub-feed tubes 124,144 all is connected on the end of a total material pipe 184.The center line of the sub-feed tube 124,144 of described first and

second magazine attachment

12,14 and described total material are managed 184 center lines and are intersected respectively.

Described injecting systems 20 comprises that one is equiped with barrel 22, a screw rod 26 and a nozzle 28 of heater 24.The other end of above-mentioned total material pipe 184 is connected with this barrel 22.Described screw rod 26 is used to shear material, transmission material and material is expelled to described nozzle 28 places, and described nozzle 28 is connected with mould 200.

When wanting first kind of material 120 of moulding, the described magnetic valve 126,146 of control makes hopper 122 be communicated with an end of sub-feed tube 124 earlier, and a hopper 142 and an end of sub-feed tube 144 are cut off, and just can carry out this first kind of material 120 of moulding then.And these first kind of material 120 moulding can add cleaning agents (can be identical with the cleaning agent 160 among Fig. 2) at this hopper 122 when intact, utilize this cleaning agent to clean described sub-feed tube 124, total material pipe 184, barrel 22 and screw rod 26.After finishing cleaning, can be communicated with described hopper 142 and sub-feed tube 144, carry out second kind of material 140 of moulding at once.

Described ejaculator 100 is owing to have two hoppers 122,142, during first kind of material 120 moulding in hopper 122, second kind of material 140 can enter in the hopper 142, carry out the preparation of moulding next time, so this ejaculator 100 is convenient to the continuous production of different material, can be improved for production efficiency over the long term.

See also Fig. 2, the schematic diagram when ejaculator 300 that provides for the second embodiment of the present invention is used for moulding.Described ejaculator 300 is basic identical with ejaculator 200, and difference is that the feed system 10 of described ejaculator 300 also comprises one the 3rd magazine attachment 16.Described the 3rd magazine attachment 16 comprises the magnetic valve 166 that end that a hopper 162, a sub-feed tube 164 and be used to control this sub-feed tube 164 and hopper 162 are communicated with or cut off.Described hopper 162 is used to load a cleaning agent 160.Described three

magazine attachments

12,14,16 are located on the same line in regular turn.The other end of described three sub-feed tubes 124,144,164 all is connected on the end of a total material pipe 184.The described first and the

3rd magazine attachment

12,16 sub-feed tube 124,164 center line and described total material are managed 184 center lines and are intersected, and the center line of the sub-feed tube 144 of described second magazine attachment 14 and described total material are managed 184 central lines when wanting first kind of material 120 of moulding, earlier the described magnetic valve 126 of control, 146,166 make hopper 122 be communicated with an end of sub-feed tube 124, and make hopper 142,162 and sub-feed tube 144, an end of 164 cuts off, and just can carry out this first kind of material 120 of moulding then.And these first kind of material 120 moulding can be communicated with described hopper 162 and sub-feed tube 164 when intact at once, so utilizes cleaning agent 160 to clean described total material pipe 184, barrel 22 and screw rods 26.After finishing cleaning, can be communicated with described hopper 142 and sub-feed tube 144, carry out second kind of material 140 of moulding.And because described sub-feed tube 144 and total material pipe 184 central lines, described second kind of material 140 can directly enter described total material pipe 184, can not enter sub-feed tube 124.

Described ejaculator 100 is owing to have three hoppers 122,142,162, during first kind of material 120 moulding in hopper 122, cleaning agent 160 and second kind of material 140 can enter respectively in the hopper 162,142, carry out and clean the preparation that reaches moulding next time, make that so the production continuity of different material is higher, production efficiency is improved.

Be understandable that described magnetic valve 126,146,166 also can be by other switch, for example all kinds of mechanical switch replace, and it only needs to control hopper 122,142, and 162 are communicated with or cut off with an end of sub-feed tube 124,144,164 and get final product.

Described screw rod 26 also can be replaced by a plunger type injection device.

For the person of ordinary skill of the art, can make other various corresponding changes and distortion, and all these changes and distortion all should belong to the protection domain in claim of the present invention according to technical scheme of the present invention and technical conceive.

Claims

[claim 1] a kind of ejaculator, it comprises a feed system and an injecting systems that is connected with this feed system, described injecting systems comprises that a barrel and is positioned at the injection device of this barrel, it is characterized in that, described feed system comprises at least one first magazine attachment and one second magazine attachment, described first and second magazine attachment comprises a hopper respectively, one sub-feed tube and one is used to control the switch that an end of this sub-feed tube is communicated with or cuts off with hopper, the other end of these two sub-feed tubes all is connected with the barrel of described injecting systems, and these two hoppers are respectively applied for and load one first kind of material and one second kind of material.
[claim 2] ejaculator as claimed in claim 1 is characterized in that, the other end of the sub-feed tube of described first and second magazine attachment all is connected on the end of a total material pipe, and the other end by this total material pipe is connected with the barrel of described injecting systems again.
[claim 3] ejaculator as claimed in claim 1 is characterized in that, when the hopper of one of them of described first and second magazine attachment was communicated with sub-feed tube, another hopper and sub-feed tube cut off.
[claim 4] ejaculator as claimed in claim 1, it is characterized in that, described feed system also comprises one the 3rd magazine attachment, the 3rd magazine attachment comprises that a hopper, a sub-feed tube and are used to control the switch that an end of this sub-feed tube is communicated with or cuts off with hopper, the other end of this sub-feed tube is connected with the barrel of described injecting systems, and this hopper is used to load a cleaning agent.
[claim 5] ejaculator as claimed in claim 4, it is characterized in that, the other end of the sub-feed tube of described first, second and third magazine attachment all is connected on the end of a total material pipe, and the other end by this total material pipe is connected with the barrel of described injecting systems again.
[claim 6] ejaculator as claimed in claim 4 is characterized in that, described first, second and third magazine attachment is located on the same line in regular turn.
[claim 7] ejaculator as claimed in claim 6, it is characterized in that, the sub-feed tube center line of described first magazine attachment and the 3rd magazine attachment intersects with described total material tube hub line respectively, and the sub-feed tube center line of described second magazine attachment overlaps with described total material tube hub line.
[claim 8] ejaculator as claimed in claim 4 is characterized in that, when the hopper of one of them of described first, second and third magazine attachment was communicated with sub-feed tube, two hopper and sub-feed tube cut off in addition.
[claim 9] ejaculator as claimed in claim 1 is characterized in that, described switch adopts magnetic valve.
[claim 10] a kind of injection forming method that uses ejaculator as claimed in claim 1, it comprises the steps:

Load first kind of material in the hopper of described first magazine attachment;

This first kind of material of ejection formation, and load second kind of material in described second magazine attachment;

Clean described barrel and injection device;

This second kind of material of ejection formation.