CN107471561A - A kind of plastic-injection device based on vacuum extractor - Google Patents
A kind of plastic-injection device based on vacuum extractor Download PDFInfo
- Publication number
- CN107471561A CN107471561A CN201710768816.2A CN201710768816A CN107471561A CN 107471561 A CN107471561 A CN 107471561A CN 201710768816 A CN201710768816 A CN 201710768816A CN 107471561 A CN107471561 A CN 107471561A
- Authority
- CN
- China
- Prior art keywords
- injection
- control module
- plastic
- dynamic model
- baroceptor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1701—Component parts, details or accessories; Auxiliary operations using a particular environment during moulding, e.g. moisture-free or dust-free
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of plastic-injection device based on vacuum extractor, comprising dynamic model, cover half, injection mold block, module and control module are vacuumized；Dynamic model is provided with injection hole and injection molding channel；Injection mold block is used to control dynamic model, cover half to carry out matched moulds according to the order of control module and carries out injection, shaping；Vacuumize module and include magnetic valve, aspirating chamber, baroceptor, the first pipeline, second pipe and vacuum pumping pump；Aspirating chamber is airtight cavity, and one end is connected by the first pipeline with the inner chamber of cover half, and the other end is connected by second pipe with vacuum pumping pump；Magnetic valve is arranged on the junction of the first pipeline and cover half inner chamber；Baroceptor is arranged in aspirating chamber；Control module is electrically connected with magnetic valve, baroceptor, vacuum pumping pump, injection mold block respectively.The present invention is simple in construction, easy to use, can prevent flow liner in injection moulding process, burn, fills the problems such as type is bad.
Description
Technical field
The present invention relates to injection molding art, more particularly to a kind of plastic-injection device based on vacuum extractor.
Background technology
Injection is a kind of method of industrial products production moulding.Product is usually using rubber injection mold and plastic injection.Injection
Molding die platen press and casting die can also be dispensed.
Injection (mo(u)lding) machine（Abbreviation injector or injection machine）It is that thermoplastic or thermosetting material are utilized into plastic forming dies
The main former of variously-shaped plastic products is made in tool, and injection moulding is realized by injection machine and mould
Injection molding machine（Injection machine）There are two basic elements of character：For melting and plastics being sent into the injection device and matched moulds of mould
Device.The effect of mold closing mechanism is：
1st, mould is made to be closed in the case of injection pressure is sustained；
2nd, product taking-up injection device is melted before plastics inject mould, then control pressure and speed note melt
Enter mould.The injection device used now has two kinds of designs：Screw preplasticator or dual-range unit, and reciprocating screw.
Screw preplasticator utilizes preplasticizing screw rod（The first order）Molten plastic is injected into feed rod again（The second level）.
The advantages of screw rod preplasticator is fused mass constant mass, high pressure and high speed, and accurately injection volume controls（Profit
With the mechanical thrust brake at piston stroke both ends）.Required for these strong points are transparent, thin-gage goods and high throughput rate.Its
Shortcoming includes the uneven residence time（Cause material degradation）, higher cost of equipment and maintenance cost.
The most frequently used reciprocating screw injection device does not need plunger i.e. by plastic molten melt and injected.
The type of injection machine has：Vertical, horizontal, all electric, but no matter that injection machine, its basic function has two：
1st, heating of plastic, molten state is reached；
2nd, high pressure is applied to molten plastic, it is projected and is full of mold cavity.
Existing plastic-injection device is typically directly molded, and is easily produced flow liner, is burnt, fills the problems such as type is bad.
The content of the invention
The technical problems to be solved by the invention are to be directed to the defects of involved in background technology, there is provided one kind is based on taking out
The plastic-injection device of vacuum plant.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of plastic-injection device based on vacuum extractor, comprising dynamic model, cover half, injection mold block, vacuumize module and control
Module；
The dynamic model is provided with injection hole and injection molding channel, wherein, the injection hole is embedded to be arranged on the outer wall of the dynamic model,
The injection molding channel is by the injection hole UNICOM to the inner chamber of the dynamic model；
The injection mold block is used to controlling the dynamic model, cover half to carry out matched moulds according to the order of control module and carries out injection, into
Type；
The module that vacuumizes includes magnetic valve, aspirating chamber, baroceptor, the first pipeline, second pipe and vacuum pumping pump；
The aspirating chamber is airtight cavity, and one end is connected by first pipeline with the inner chamber of the cover half, and the other end passes through
The second pipe is connected with the vacuum pumping pump；
The magnetic valve is arranged on the junction of first pipeline and the cover half inner chamber, for the order according to control module
Adjust the opening and closing of first pipeline；
The baroceptor is arranged in the aspirating chamber, for sensing the air pressure size in the aspirating chamber and being transmitted
To the control module；
The control module is electrically connected with the magnetic valve, baroceptor, vacuum pumping pump, injection mold block respectively, the control
Molding block is used to control the magnetic valve, vacuum pumping pump, injection mold block to work according to the sensed data of baroceptor.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the injection hole
In infundibulate.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the air pressure transmission
The model SCP1000 of sensor.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the control mould
The processor of block uses AVR series monolithics.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the control mould
The processor of block uses Atmega168PA single-chip microcomputers.
Injection moulding process comprises the steps of：
Step 1）, control module control injection mold block work so that dynamic model and cover half matched moulds；
Step 2）, control module control magnetic valve opening so that first pipeline flow；
Step 3）, the air pressure sensed passes to the control module by baroceptor；
Step 4）, control module controls the vacuum pumping pump work, until the air pressure that baroceptor senses is less than default
Air pressure threshold value；
Step 5）, control module control closed electromagnetic valve, and control the vacuum pumping pump to be stopped；
Step 6）, control module control injection mold block progress injection, forming action.
The present invention compared with prior art, has following technique effect using above technical scheme：
1. it is simple in construction, it is easy to use；
2. flow liner in injection moulding process can be prevented, burns, fill the problems such as type is bad.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure, 1- dynamic models, 2- cover half, 3- injection holes, 4- injection molding channels, 5- magnetic valves, 6- pressure sensors, 7- vacuumizes
Room, 8- vacuum pumping pumps.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
The present invention can be embodied in many different forms, and should not be assumed that to be limited to embodiment described here.Conversely, there is provided
These embodiments will give full expression to the scope of the present invention to make the disclosure thoroughly and complete to those skilled in the art.
In the accompanying drawings, for the sake of clarity it is exaggerated component.
It will be appreciated that though term first, second, third, etc., which may be used herein, describes each element, component and/or portion
Point, but these elements, component and/or part should not be limited by these terms.These terms be used only for by element, component and/or
Part mutually makes a distinction.Therefore, the first element discussed below, component and/or part without departing substantially from the present invention before imparting knowledge to students
The second element, component or part can be turned into by putting.
As shown in figure 1, the invention discloses a kind of plastic-injection device based on vacuum extractor, comprising dynamic model, cover half,
Injection mold block, vacuumize module and control module；
The dynamic model is provided with injection hole and injection molding channel, wherein, the injection hole is embedded to be arranged on the outer wall of the dynamic model,
The injection molding channel is by the injection hole UNICOM to the inner chamber of the dynamic model；
The injection mold block is used to controlling the dynamic model, cover half to carry out matched moulds according to the order of control module and carries out injection, into
Type；
The module that vacuumizes includes magnetic valve, aspirating chamber, baroceptor, the first pipeline, second pipe and vacuum pumping pump；
The aspirating chamber is airtight cavity, and one end is connected by first pipeline with the inner chamber of the cover half, and the other end passes through
The second pipe is connected with the vacuum pumping pump；
The magnetic valve is arranged on the junction of first pipeline and the cover half inner chamber, for the order according to control module
Adjust the opening and closing of first pipeline；
The baroceptor is arranged in the aspirating chamber, for sensing the air pressure size in the aspirating chamber and being transmitted
To the control module；
The control module is electrically connected with the magnetic valve, baroceptor, vacuum pumping pump, injection mold block respectively, the control
Molding block is used to control the magnetic valve, vacuum pumping pump, injection mold block to work according to the sensed data of baroceptor.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the injection hole
In infundibulate.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the air pressure transmission
The model SCP1000 of sensor.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the control mould
The processor of block uses AVR series monolithics.
As a kind of further prioritization scheme of plastic-injection device based on vacuum extractor of the present invention, the control mould
The processor of block uses Atmega168PA single-chip microcomputers.
Injection moulding process comprises the steps of：
Step 1）, control module control injection mold block work so that dynamic model and cover half matched moulds；
Step 2）, control module control magnetic valve opening so that first pipeline flow；
Step 3）, the air pressure sensed passes to the control module by baroceptor；
Step 4）, control module controls the vacuum pumping pump work, until the air pressure that baroceptor senses is less than default
Air pressure threshold value；
Step 5）, control module control closed electromagnetic valve, and control the vacuum pumping pump to be stopped；
Step 6）, control module control injection mold block progress injection, forming action.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in art of the present invention.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art
The consistent meaning of meaning, and unless defined as here, will not be explained with the implication of idealization or overly formal.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not limited to this hair
It is bright, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in the present invention
Protection domain within.
Claims (5)
- A kind of 1. plastic-injection device based on vacuum extractor, it is characterised in that comprising dynamic model, cover half, injection mold block, take out it is true Empty module and control module；The dynamic model is provided with injection hole and injection molding channel, wherein, the injection hole is embedded to be arranged on the outer wall of the dynamic model, The injection molding channel is by the injection hole UNICOM to the inner chamber of the dynamic model；The injection mold block is used to controlling the dynamic model, cover half to carry out matched moulds according to the order of control module and carries out injection, into Type；The module that vacuumizes includes magnetic valve, aspirating chamber, baroceptor, the first pipeline, second pipe and vacuum pumping pump；The aspirating chamber is airtight cavity, and one end is connected by first pipeline with the inner chamber of the cover half, and the other end passes through The second pipe is connected with the vacuum pumping pump；The magnetic valve is arranged on the junction of first pipeline and the cover half inner chamber, for the order according to control module Adjust the opening and closing of first pipeline；The baroceptor is arranged in the aspirating chamber, for sensing the air pressure size in the aspirating chamber and being transmitted To the control module；The control module is electrically connected with the magnetic valve, baroceptor, vacuum pumping pump, injection mold block respectively, the control Molding block is used to control the magnetic valve, vacuum pumping pump, injection mold block to work according to the sensed data of baroceptor.
- 2. the plastic-injection device according to claim 1 based on vacuum extractor, it is characterised in that the injection hole is in Infundibulate.
- 3. the plastic-injection device according to claim 1 based on vacuum extractor, it is characterised in that the air pressure sensing The model SCP1000 of device.
- 4. the plastic-injection device according to claim 1 based on vacuum extractor, it is characterised in that the control module Processor use AVR series monolithics.
- 5. the plastic-injection device according to claim 1 based on vacuum extractor, it is characterised in that the control module Processor use Atmega168PA single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768816.2A CN107471561A (en) | 2017-08-31 | 2017-08-31 | A kind of plastic-injection device based on vacuum extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710768816.2A CN107471561A (en) | 2017-08-31 | 2017-08-31 | A kind of plastic-injection device based on vacuum extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107471561A true CN107471561A (en) | 2017-12-15 |
Family
ID=60603382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710768816.2A Pending CN107471561A (en) | 2017-08-31 | 2017-08-31 | A kind of plastic-injection device based on vacuum extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107471561A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109265A (en) * | 2018-08-28 | 2019-01-01 | 优力精密塑胶（苏州）有限公司 | One kind vacuumizing auxiliary double-shot moulding device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434080A (en) * | 2013-07-29 | 2013-12-11 | 陈冬检 | Mold evacuating device for injection molding machine and operating method of mold evacuating device |
| CN106584778A (en) * | 2016-12-21 | 2017-04-26 | 重庆禾裕田精密电子有限公司 | Notebook computer plastic part injection mold capable of being vacuumized |
-
2017
- 2017-08-31 CN CN201710768816.2A patent/CN107471561A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434080A (en) * | 2013-07-29 | 2013-12-11 | 陈冬检 | Mold evacuating device for injection molding machine and operating method of mold evacuating device |
| CN106584778A (en) * | 2016-12-21 | 2017-04-26 | 重庆禾裕田精密电子有限公司 | Notebook computer plastic part injection mold capable of being vacuumized |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109265A (en) * | 2018-08-28 | 2019-01-01 | 优力精密塑胶（苏州）有限公司 | One kind vacuumizing auxiliary double-shot moulding device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |