CN104057574B - Injection machine is without being detained plunger injection accumulator structure - Google Patents
Injection machine is without being detained plunger injection accumulator structure Download PDFInfo
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- CN104057574B CN104057574B CN201410265885.8A CN201410265885A CN104057574B CN 104057574 B CN104057574 B CN 104057574B CN 201410265885 A CN201410265885 A CN 201410265885A CN 104057574 B CN104057574 B CN 104057574B
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- Prior art keywords
- plunger
- injection
- passage
- end flange
- storing
- Prior art date
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- 238000002347 injection Methods 0.000 title claims abstract description 59
- 239000007924 injection Substances 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 230000002950 deficient Effects 0.000 claims abstract description 8
- 238000004513 sizing Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/53—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston
- B29C45/54—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw
- B29C45/542—Means for plasticising or homogenising the moulding material or forcing it into the mould using injection ram or piston and plasticising screw using an accumulator between plasticising and injection unit, e.g. for a continuously operating plasticising screw
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of injection machine is without being detained plunger injection accumulator structure, including sealing the nozzle of assembling, front end flange and accumulator successively, the plunger being inserted in accumulator moved left and right；It is characterized in that: the internal assembly of described front end flange has the valve that shuttles back and forth；It is provided with central passage in described plunger；After injection, storage cavity and annular storing passage is formed, by the inner passage conduction to raw material, it is achieved molten plastic storing process keeps the principle of first in first out between described front end flange and plunger, defective material is all pushed to front end flange port by storing process each time, is injected into mould.Completely avoid the series of problems that plunger front end material lagging causes, the problems such as difficulty, plastic degradation changed by the raw material solved in production process dexterously, significantly lower and produce waste, improve work efficiency and yield rate, improve corrective maintenance work difficulty, remaining sizing material is sent to storage cavity, participates in injection, to reach to clear up the purpose of defective material.
Description
Technical field
The present invention relates to a kind of injection machine plunger injection structure, specifically a kind of injection machine is without being detained plunger
Injection accumulator structure.
Background technology
Existing injection machine plunger injection structure because plunger and front end flange all exist certain interval and
Space, it is impossible to be completely eliminated, causes the material of front end during injection not penetrate completely, storing next time
Process is not only by the remaining sizing material of plunger front end but also back into plunger front end, before the most just causing plunger
End material lagging causes and is difficult to expect clearly, and prolonged stay causes plastic degradation, corrective maintenance to be carried out,
To ensure the quality of product, need manual demolition front end flange that remaining sizing material is cleared up during maintenance, consumption
Take substantial amounts of artificial and downtime；When raw materials for production adjust or change, due to difficulty of reloading, clearly
Manage former residual materials repeatedly to rinse with a large amount of virgin materials, be still to manual demolition front end flange if desired to residual
Remaining sizing material is cleared up, and causes the biggest waste.Chinese patent literature CN2336948Y was in 1999
Within 09 month 08 day, disclose a kind of screw preplastication plunger piston injection molder, equipped with penetrating platform in frame, penetrating
On platform, oil motor connects the screw preplasticators structure equipped with sleeve preheating mechanism, and is furnished with injection cylinder, can
Making to penetrate that platform moves penetrates platform Shift cylinder, frame opposite side is equipped with cover half and uses hydraulic drive slide way type
The dynamic model of matched moulds, equipped with an accumulator before screw preplasticators structure, and be provided with in accumulator with
The plunger that screw preplasticators structure connects, controls equipped with four locking dynamic models, the pin of cover half in frame
Oil cylinder.This structure does not solve above-mentioned existing problems, therefore, it is necessary to improve further.
Summary of the invention
The purpose of the present invention aim to provide a kind of simple and reasonable, dependable performance, efficiency high, maintenance
The injection machine that convenient, attenuating is wasted is without being detained plunger injection accumulator structure, to overcome in prior art
Weak point.
A kind of injection machine designed by this purpose is without being detained plunger injection accumulator structure, including the closeest
Nozzle, front end flange and the accumulator that encapsulation is joined, the plunger being inserted in accumulator moved left and right；
It is characterized in that: the internal assembly of described front end flange has the valve that shuttles back and forth；The center that is provided with in described plunger leads to
Road；After injection, between described front end flange and plunger, form storage cavity and the storing passage of annular, logical
Crossing the inner passage conduction to raw material, remaining sizing material is sent to storage cavity, participates in injection, to reach clear
The purpose of reason defective material.
Horizontal channel and vertical Vertical Channel, and the most longitudinally handing-over it is provided with in described front end flange,
The horizontal assembly of interface point shuttles back and forth valve；The described valve that shuttles back and forth is mutually perpendicular on the horizontal plane of horizontal channel.
The described valve that shuttles back and forth is cylinder, is internally provided with a beeline channel crossing the valve that shuttles back and forth；Described wear
Shuttle valve rotates with axle center for the center of circle, thus connects Vertical Channel or horizontal channel, can only connect it every time
In a passage.
Described Vertical Channel, horizontal channel and the channel diameter shuttled back and forth in valve are the most equal.
Described Vertical Channel top passes forward flange surface, lower end bending connection storing passage；Described
Horizontal channel left end connects nozzle interior passage, and right-hand member connects storage cavity；When injection is to front position,
Central passage two ends are respectively communicated with storage cavity and storing passage, Vertical Channel one end connection storing passage.
Described plunger left end is provided with rounded projection；Described protruding injection rear section is closed and is inserted in
In front end flange.
Described plunger injection rear section is closed in being inserted in front end flange and is formed two spaces, before being respectively
The storing cavity that end flanges internal cavity is formed with protruding end face, the big cylindrical of plunger is formed with front end flange
Annular storing passage.
Described plunger center is provided with central passage, and through bending and annular storing channel connection.
Described storing cavity volume is bigger than annular storing passage.
Described Vertical Channel top is raw material inlet.
The present invention improvement by said structure: be provided with the valve that shuttles back and forth in front end flange and control molten plastic
The flow direction in front end flange, when being in storing state, molten plastic stays into circular passage through Vertical Channel,
Enter back into central passage, be finally stored in storing cavity.This flow trace helps clean up the last time and penetrates
The defective material that glue is not used.Thus realize molten plastic storing process keeps the principle of first in first out,
Plunger front end material is all cleared up by storing process each time, and buildup is pushed to flange port, injection
Enter mould, consistently form the duty of storing first in first out, it is entirely avoided plunger front end material is stagnant
Staying the series of problems of initiation, the raw material solved in production process dexterously to change difficulty, plastic degradation etc. is asked
Topic, significantly lowers and produces waste, improve work efficiency and yield rate, improve corrective maintenance work difficulty.It has knot
The feature that structure advantages of simple, dependable performance, efficiency height, easy maintenance, waste are low.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of first embodiment of the invention.
Fig. 2 is the use view of first embodiment of the invention.
Fig. 3 is front end flange partial cross-sectional perspective view in first embodiment of the invention.
Fig. 4 is front end flange assembling structural representation in second embodiment of the invention.
Fig. 5 is third embodiment of the invention structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
First embodiment
Seeing Fig. 1, this injection machine is without being detained plunger injection accumulator structure, including sealing assembling successively
Nozzle 1, front end flange 2 and accumulator 3, the plunger 4 being inserted in accumulator 3 moved left and right；
It is characterized in that: the internal assembly of described front end flange 2 has the valve 5 that shuttles back and forth；In being provided with in described plunger 4
Heart passage 4.2；After injection, between described front end flange 2 and plunger 4, form storage cavity 2.3 and annular
Storing passage 4.1, by the inner passage conduction to raw material, remaining sizing material is sent to storage cavity 2.3,
Participate in injection next time, to reach to clear up the purpose of defective material.
Specifically, in described front end flange 2, it is provided with horizontal channel 2.2 and Vertical Channel 2.1, and
Mutually longitudinally handing-over, the horizontal assembly of interface point shuttles back and forth valve 5；Described valve 5 and the horizontal channel 2.2 of shuttling back and forth
It is mutually perpendicular on horizontal plane.The described valve 5 that shuttles back and forth, in cylinder, is internally provided with one and crosses the valve 5 that shuttles back and forth
Beeline channel；The described valve 5 that shuttles back and forth with axle center for the center of circle rotate, thus connect Vertical Channel 2.1 or
Horizontal channel 2.2, additionally, can only connect a wherein passage every time.Described Vertical Channel 2.1, water
Flat passage 2.2 and the channel diameter shuttled back and forth in valve 5 are equal, connect to realize coordinating.The valve 5 that shuttles back and forth is even
Being connected to motor, and work by setup program, when injection machine is in storing state, the valve 5 that shuttles back and forth is connected
Vertical Channel 2.1；When injection machine is in injection state, horizontal channel 2.2 connected by the valve 5 that shuttles back and forth.
Described Vertical Channel 2.1 top passes front end flange 2 surface, sees Fig. 2, front end flange 2
Connect feed system, i.e. plastic material and enter rubber melting cylinder through hopper, carried by the rotary motion of screw rod
To left end, the plastic material conveying through screw rod and the heating of rubber melting cylinder, solid particle gradually become
Molten condition through transitional connection pipe, after enter front end flange 2 through Vertical Channel 2.1；Lower end bending is even
Logical storing passage 4.1.Described horizontal channel 2.2 left end connects nozzle 1 inner passage, and right-hand member connects storage
Material chamber 2.3.
Described plunger 4 left end is provided with the projection 4.3 of circle；Described protruding 4.3 injection rear sections are closed
It is inserted in front end flange 2.Now, plunger 4 and front end flange 2 form two spaces, are respectively
The storing cavity 2.3 that front end flange 2 internal cavity is formed with protruding 4.3 end faces, the big cylindrical of plunger 4 is with front
The annular storing passage 4.1 that end flanges 2 is formed；Plunger 4 center is provided with central passage 4.2,
Connect with annular storing passage 4.1 through bending.It is monolithically fabricated a continuous passage, raw material Vertical Channel
After 2.1 get off, through shuttling back and forth, Vertical Channel 2.1 connected by valve 5, arrives storing passage via down channel
4.1, owing to each injection back-plunger 4 moves to left end, the most protruding 4.3 parts plug front end flange
In 2, forming storing cavity 2.3 and storing passage 4.1, raw material passes through storing passage 4.1 by plunger 4
Front end defective material is pushed to above plunger 4, then flows into plunger 4 center via central passage 4.2, the most laggard
Entering storing cavity 2.3, along with storing amount increases, plunger is moved right by melt pressure effect, when
When projection 4.3 leaves storing cavity 2.3, before storing cavity 2.3 and storing passage 4.1 are combined into one
Chamber, cleaning cull process terminates；Treating that storing terminates, plunger 4 stops moving right.Due to storage
All there is front end flange 2 front position in cull, upon injection, the valve 5 that shuttles back and forth rotates connection level and leads to
Road 2.2, plunger 4 moves to left and preferentially storage cavity sizing material release front end flange 2 in front end is injected into mould, from
And realize clearing up the purpose of defective material.
It addition, storing cavity 2.3 volume must be bigger than annular storing passage 4.1, cleaning could be realized
Purpose.
Second embodiment
Seeing Fig. 4, this injection machine is without being detained plunger injection accumulator structure, and it is different from first embodiment
Part is: described in the valve 5 that shuttles back and forth spherical in shape, crossed passage, both sides are extended with rotary shaft outward.
Front end flange 2 is split type, and junction is correspondingly arranged on spherical hollow space and axial trough, coordinates assembling originally to wear
Shuttle valve 5.The present embodiment is convenient to be keeped in repair front end flange 2 and the valve 5 that shuttles back and forth or maintains.
Other same first embodiment of not described part, the most no longer analytic explanation.
3rd embodiment
Seeing Fig. 5, this injection machine is without being detained plunger injection accumulator structure, and it is different from first embodiment
Part is: described Vertical Channel 2.1 through bending, directly connects storing passage in front end flange 2
4.1, do not join with horizontal channel 2.2, described in the valve 5 that shuttles back and forth close or open horizontal channel 2.2.
Injection machine is in storing process, and the programme-control of the setting valve 5 that shuttles back and forth rotates, logical when in the valve 5 that shuttles back and forth
When road completely disengages from horizontal channel 2.2, horizontal channel 2.2 is closed, and storing starts.Contribute to preventing
Only during storing, raw material overflows from horizontal channel 2.2；Meanwhile, Vertical Channel 2.1 distance shortens,
Storing speed is fast.
Other same first embodiment of not described part, the most no longer analytic explanation.
The above-mentioned preferred version for the present invention, those of ordinary skill in the art are to its simple modification or change
Make, within all falling within protection scope of the present invention.
Claims (6)
1. injection machine is without being detained a plunger injection accumulator structure, including the spray sealing assembling successively
Mouth (1), front end flange (2) and accumulator (3), move left and right is inserted in accumulator (3)
Plunger (4)；It is characterized in that: the internal assembly of described front end flange (2) has the valve that shuttles back and forth (5)；Institute
Central passage (4.2) it is provided with in stating plunger (4)；Injection to behind front position, described front end flange
(2) storage cavity (2.3) and annular storing passage (4.1), melten gel are formed and between plunger (4)
By the inner passage conduction to raw material during storing, remaining sizing material is sent to storage cavity (2.3), participates in
Injection, to reach to clear up the purpose of defective material；
Horizontal channel (2.2) and vertical Vertical Channel it is provided with in described front end flange (2)
(2.1), and mutually longitudinally handing-over, the horizontal assembly of interface point shuttles back and forth valve (5)；The described valve that shuttles back and forth (5)
It is mutually perpendicular to on horizontal channel (2.2) horizontal plane；
The valve (5) that shuttles back and forth described in it is characterized in that, in cylinder, is internally provided with one and crosses the valve that shuttles back and forth
(5) beeline channel；The described valve that shuttles back and forth (5) rotates with axle center for the center of circle, thus connects the most logical
Road (2.1) or horizontal channel (2.2), can only connect a wherein passage every time；
Passage in described Vertical Channel (2.1), horizontal channel (2.2) and the valve that shuttles back and forth (5)
Diameter is the most equal；
Described Vertical Channel (2.1) top passes front end flange (2) surface, and lower end bending is even
Logical storing passage (4.1)；Described horizontal channel (2.2) left end connects nozzle (1) inner passage,
Right-hand member connects storage cavity (2.3)；When injection is to front position, central passage (4.2) two ends connect respectively
Logical storage cavity (2.3) and storing passage (4.1), Vertical Channel (2.1) one end connection storing passage
(4.1)。
Injection machine the most according to claim 1 is without being detained plunger injection accumulator structure, and it is special
Levy and be that described plunger (4) left end is provided with rounded projection (4.3)；Described projection (4.3)
Injection rear section is closed and is inserted in front end flange (2).
Injection machine the most according to claim 2 is without being detained plunger injection accumulator structure, and it is special
Levy and be that the closing of described plunger (4) injection rear section forms two skies in being inserted in front end flange (2)
Between, it is the storing cavity (2.3) of front end flange (2) internal cavity and protruding (4.3) end face formation respectively,
The annular storing passage (4.1) that the big cylindrical of plunger (4) is formed with front end flange (2).
Injection machine the most according to claim 3 is without being detained plunger injection accumulator structure, and it is special
Levy and be that described plunger (4) center is provided with central passage (4.2), and through bending and annular
Storing passage (4.1) connects.
Injection machine the most according to claim 4 is without being detained plunger injection accumulator structure, and it is special
Levy and be that described storing cavity (2.3) volumetric ratio annular storing passage (4.1) is big.
6. according to the injection machine described in any one of claim 1-5 without being detained plunger injection accumulator knot
Structure, it is characterised in that described Vertical Channel (2.1) top is raw material inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265885.8A CN104057574B (en) | 2014-06-13 | 2014-06-13 | Injection machine is without being detained plunger injection accumulator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265885.8A CN104057574B (en) | 2014-06-13 | 2014-06-13 | Injection machine is without being detained plunger injection accumulator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057574A CN104057574A (en) | 2014-09-24 |
| CN104057574B true CN104057574B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410265885.8A Active CN104057574B (en) | 2014-06-13 | 2014-06-13 | Injection machine is without being detained plunger injection accumulator structure |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494075B (en) * | 2014-12-26 | 2017-01-11 | 广东福能精密机械有限公司 | Self-cleaning plunger type injection device and self-cleaning plunger type injection molding machine |
| CN105014885A (en) * | 2015-08-20 | 2015-11-04 | 泰瑞机器股份有限公司 | Runner-free switching valve internal recycle material removing type screw plunger plastic injection molding machine |
| CN105922523B (en) * | 2016-06-27 | 2018-05-15 | 海天塑机集团有限公司 | A kind of currency structure of injection molding machine |
| CN114851493A (en) * | 2022-04-01 | 2022-08-05 | 常熟拓斯达智能装备有限公司 | Prevent remaining storage cylinder structure and storage cylinder formula injection molding machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071181C (en) * | 1995-08-23 | 2001-09-19 | 埃特灵格塑料机械股份有限公司 | Injection moulding machine with integrated hot channel system |
| CN203994419U (en) * | 2014-06-13 | 2014-12-10 | 广东伊之密精密注压科技有限公司 | Injection machine is without being detained plunger injection accumulator structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61123508A (en) * | 1984-11-21 | 1986-06-11 | Ube Ind Ltd | Injection molding machine |
| CN2767126Y (en) * | 2005-01-04 | 2006-03-29 | 武汉理工大学 | Minitype twin-screw extrusion machine |
-
2014
- 2014-06-13 CN CN201410265885.8A patent/CN104057574B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071181C (en) * | 1995-08-23 | 2001-09-19 | 埃特灵格塑料机械股份有限公司 | Injection moulding machine with integrated hot channel system |
| CN203994419U (en) * | 2014-06-13 | 2014-12-10 | 广东伊之密精密注压科技有限公司 | Injection machine is without being detained plunger injection accumulator structure |
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| CN104057574A (en) | 2014-09-24 |
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Denomination of invention: Structure of the Injection Storage Cylinder for Injection Molding Machines without Detention Plunger Injection Effective date of registration: 20231009 Granted publication date: 20170104 Pledgee: Ronggui sub branch of Guangdong Shunde Rural Commercial Bank Co.,Ltd. Pledgor: GUANGDONG YIZUMI PRECISION INJECTION TECHNOLOGY Co.,Ltd.|Yizhimi Co.,Ltd. Registration number: Y2023440000073 |