CN109849299A - Built-in shunting block insert type filter - Google Patents
Built-in shunting block insert type filter Download PDFInfo
- Publication number
- CN109849299A CN109849299A CN201811579947.7A CN201811579947A CN109849299A CN 109849299 A CN109849299 A CN 109849299A CN 201811579947 A CN201811579947 A CN 201811579947A CN 109849299 A CN109849299 A CN 109849299A
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- Prior art keywords
- discharging
- charging
- template
- screen pack
- built
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- Granted
Links
- 238000007599 discharging Methods 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 6
- -1 polytetrafluoroethylene ring Polymers 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000008542 thermal sensitivity Effects 0.000 abstract description 4
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000006731 degradation reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides block insert type filter is shunted built in one kind, including feeding template, material discharging mould and screen pack, the screen pack front and rear sides form feed cavity and discharging chamber, the charging template, it is connected between material discharging mould and screen pack three by screw rod, the feed end of the charging template is provided with charging shunting body, the discharge end of the material discharging mould is provided with discharging shunting body, the charging shunting body is located in feed cavity central area and charging is separated to form to the charging runner of annular, the volume of the charging runner incrementally increases along plastics flow direction or keeps during increase stage constant state；The discharging shunting body is located at discharging chamber central area and discharging chamber is separated the discharging runner that circularizes, and the volume of the discharging runner is gradually reduced along plastics flow direction or holding stage constant state during reduction.The present invention can quickly filter molten plastic, and avoiding thermal sensitivity molten plastic from hoarding, there is a situation where degradations to be carbonized in filter screen.
Description
Technical field
The present invention relates to a kind of fluid distributors, more particularly, to a kind of built-in shunting block insert type of suitable temperature-sensitive material
Filter.
Background technique
In injection molding machine of plastic extrusion process, the plastics of molten condition need to filter out impurity therein by filter,
Existing filter is often that molten plastic directly enters in filter from feed end, is flowed out after passing through the filter screen from discharge end,
In filter process, most of molten plastic piles up strainer central area, and filter screen does not play complete filtration,
Even so, it is also able to satisfy the function of filtering for general plastics, but for thermal sensitivity plastics, holds in heated condition
Degradable, fluid velocity is slow in fill process, and the plastics of melting again hoard before strainer by raft, carbonization of degrading after hoarding, thus
The performance and surface quality of plastics are influenced, while being very easy to blocking strainer, cannot complete normally to work.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide block insert type filter is shunted built in a kind of, by filter
Feed end and discharge end at be arranged shunting body, establish the pressure difference in filter, come so that the plastics of molten condition reach equal
Even, quick input and output material quickly filters so that molten plastic is evenly distributed on whole filter screen, and then avoids thermal sensitivity melting modeling
Material hoard filter screen occur degradation carbonization.
The technical scheme is that a kind of built-in shunting block insert type filter, including charging template, material discharging mould and position
In there is strainer on screen pack between the two, the screen pack, the screen pack front and rear sides form feed cavity and go out
Expect chamber, is detachably fixed between the charging template, material discharging mould and screen pack three and connects and be provided in junction close
The feed end of sealing assembly, the charging template is provided with charging shunting body, and the discharge end of the material discharging mould is provided with discharging point
Fluid, the charging shunting body, which is located at feed cavity the central area in and will feed, is separated to form annular charging runner, it is described into
The volume in stream road incrementally increases along plastics flow direction or keeps during increase stage constant state；The discharging point
Fluid is located at discharging chamber central area and discharging chamber is separated to the discharging runner circularized, and the volume of the discharging runner is along plastics
Flow direction gradually reduces or keeps during reduction stage constant state.
Preferably, the charging shunting body includes the charging diversion division of the charging interconnecting piece and inside in outside, the charging
Interconnecting piece is fixed by screws in charging template surface, and it is intracavitary that the charging diversion division protrudes into charging, the charging interconnecting piece and
Connection feed cavity and the extraneous and annular feed well to feed are provided between charging diversion division.
Preferably, the discharging shunting body includes the discharging diversion division of the discharging interconnecting piece and inside in outside, the discharging
Interconnecting piece is fixed by screws in material discharging mould surface, and the discharging diversion division protrudes into discharging chamber, the discharging interconnecting piece and
Connection discharging chamber and the extraneous and annular blow tank to discharge are provided between discharging diversion division.
Preferably, the annular feed well and the respective quantity at least two of annular blow tank, along respective circumference side
To being uniformly distributed.
Preferably, the screen pack include outside connecting plate and inside flashboard, the connecting plate and charging template,
Material discharging mould links together, and the strainer is located on flashboard, and the quantity of the strainer is 2, arranges along flashboard length direction,
It is provided with hydraulic cylinder on the outside of the connecting plate, the hydraulic cylinder is connected on the short side of flashboard by connecting rod, and the hydraulic cylinder drives
Dynamic ram movement is simultaneously connected to one of strainer with charging template, material discharging mould.
Preferably, the connecting plate includes upper deckle board, lower frame plate, end plate and front end-plate interconnected, the upper ledge
Plate and lower frame plate are linked together with charging template, material discharging mould by screw rod.
Preferably, the seal assembly include be arranged in charging template and screen pack between feeding seal expansion loop,
Polytetrafluoroethylene ring and feeding seal ring, and the discharging sealing ring being arranged between material discharging mould and screen pack.
Preferably, it is detachably fixed between the charging template, material discharging mould and screen pack three by screw rod realization
Connection.
The present invention is established the pressure difference in filter, is come so that melting by setting charging shunting body and discharging shunting body
The plastics of state reach uniformly, quick feeding and be evenly distributed on whole filter screen in filtering, quickly filtered with reaching
Purpose, avoiding thermal sensitivity molten plastic from hoarding, there is a situation where degradations to be carbonized in filter screen.In addition, be arranged at strainer can be with
The structure of Shi Genghuan, when the pressure value of feed pipe reaches a setting value, hydraulic cylinder can control strainer on flashboard and
Shi Genghuan, replaced strainer can clean immediately, do not influence the filtration of filter, improve production efficiency.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is explosive view of the invention；
Wherein: 1-charging template；2-material discharging moulds；3-screen packs；4-strainers；5-feed cavities；6-discharging chambers；7—
Seal assembly；8-charging shunting bodies；9-discharging shunting bodies；10-charging runners；11-discharging runners；12-charging connections
Portion；13-charging diversion divisions；14-annular feed wells；15-discharging interconnecting pieces；16-discharging diversion divisions；17-annular dischargings
Slot；18-connecting plates；19-flashboards；20-hydraulic cylinders；21-upper deckle boards；22-lower frame plates；23-end plates；24-front ends
Plate；25-feeding seal expansion loops；26-polytetrafluoroethylene rings；27-feeding seal rings；28-discharging sealing rings.
Specific embodiment
With reference to the accompanying drawing, invention is further described in detail.
As shown in Figure 1 to Figure 3, the present invention provides shunting block insert type filters built in one kind, including feed template 1, go out
Expect template 2 and has strainer 4,3 front and rear sides of screen pack on screen pack 3 between the two, the screen pack 3
Feed cavity 5 and discharging chamber 6 are formed, is detachably fixed connection between the charging template 1,3 three of material discharging mould 2 and screen pack
And junction is provided with seal assembly 7, the feed end of the charging template 1 is provided with charging shunting body 8, the material discharging mould
2 discharge end is provided with discharging shunting body 9, and the charging shunting body 8 is located in 5 central area of feed cavity and divides feed cavity 5
It is incrementally increased along plastics flow direction or every the volume of the charging runner 10 for forming annular, the charging runner 10 in increase process
Constant state of middle holding stage；The discharging shunting body 9 is located at 6 central area of discharging chamber and circularizes the separation of discharging chamber 6
Discharging runner 11, it is described discharging runner 11 volume gradually reduced along plastics flow direction or kept for the stage during reduction
Constant state.
Preferably, the charging shunting body 8 includes the charging diversion division 13 of the charging interconnecting piece 12 and inside in outside, described
Charging interconnecting piece 12 is fixed by screws in charging 1 surface of template, and the charging diversion division 13 protrudes into feed cavity 5, it is described into
It is provided between material interconnecting piece 12 and charging diversion division 13 and is connected to feed cavity 5 and the extraneous and annular feed well 14 to feed,
The quantity for feeding annular groove 14 is preferably 4, along the circumferential direction uniformly arrangement, to achieve the purpose that uniform feeding.
Preferably, the discharging shunting body 9 includes the discharging diversion division 16 of the discharging interconnecting piece 15 and inside in outside, described
Discharging interconnecting piece 15 be fixed by screws in 2 surface of material discharging mould, the discharging diversion division 16 protrudes into discharging chamber 6, it is described out
It is provided with connection discharging chamber 6 and the extraneous and annular blow tank 17 to discharge between material interconnecting piece 15 and discharging diversion division 16,
The quantity of discharging annular groove 17 is preferably 4, along the circumferential direction uniformly arrangement, to achieve the purpose that Quick uniform discharges.
Preferably, the annular feed well 14 and the annular respective quantity of blow tank 17 are 2-6, along respective circumference side
To being uniformly distributed.
Preferably, the flashboard 19 of the connecting plate 18 of the screen pack 3 including outside and inside, the connecting plate 18 and into
Material template 1, material discharging mould 2 link together, and the strainer 4 is located on flashboard 19, and the quantity of the strainer 4 is 2, along flashboard
19 length directions are arranged, are provided with hydraulic cylinder 20 on the outside of the connecting plate 18, the hydraulic cylinder 20 is connected to flashboard by connecting rod
On 19 short side, the hydraulic cylinder 20 drives flashboard 19 to move and makes one of strainer 4 and charging template 1, discharging mode
Plate 2 is connected to, and as a kind of specific structure of screen pack 3, this structure may insure that strainer 4 can be replaced at any time, and more
The normal work of filter is not influenced during changing.
Preferably, the connecting plate 18 includes upper deckle board 21, lower frame plate 22, end plate 23 and front end-plate interconnected
24, the upper deckle board 21 and lower frame plate 22 are linked together with charging template 1, material discharging mould 2 by screw rod, as connecting plate 18
A kind of specific structure, this infrastructure cost is low, and structure is simple, replaces strainer 4 convenient for flashboard 19 proper motion.
Preferably, the seal assembly 7 includes the feeding seal expansion being arranged between charging template 1 and screen pack 3
Ring 25, polytetrafluoroethylene ring 26 and feeding seal ring 27, and the discharging being arranged between material discharging mould 2 and screen pack 3 are close
Seal ring 28, structure is simple, and sealing effect is good.
Preferably, it is realized between the charging template 1,3 three of material discharging mould 2 and screen pack by screw rod detachable solid
Fixed connection, connection type is simple and reliable, easy to disassemble.
In the course of work, the plastics of molten condition enter from annular feed well 14, under the water conservancy diversion of charging diversion division 13,
Into in charging runner 10, the plastics of molten condition are entered in feed cavity 5 with faster flow velocity at this time, steady from 4 periphery of strainer
To 4 center of strainer, to reach whole strainer 4 all in filtration condition, the rate of filtration is fast, and filter efficiency is high, avoids melting for covering
Plastics are deposited at 4 center of strainer, and filtered molten plastic reaches in discharging chamber 6, are gone out via discharging runner 11 by annular
Hopper 17 is discharged, and due to the effect for the diversion division 16 that discharges, molten plastic increases when entering discharging runner 11 with regard to pressure, flow velocity adds
Fastly, it being discharged as early as possible with realizing, in whole process, filter efficiency is high, and flow velocity is fast, accumulation of the molten plastic before strainer 4 is avoided,
Flashboard 19 has the driving of hydraulic cylinder 20 simultaneously, the replacement of strainer 4 may be implemented, hydraulic cylinder 20 is according to the pressure sensing on feed pipe
The data that device detects execute movement, and when the pressure value on pressure sensor reaches setting value, hydraulic cylinder 20 drives flashboard
19 movements change another strainer 4 into and enter participation filtering between charging template 1 and material discharging mould 2, and that original strainer 4 is then
Cleaning can be disassembled, is reinstalled after cleaning, after feed line pressure sensor next time detects setting data
Control hydraulic cylinder 20 replaces strainer 4 to drive flashboard 19, and entire replacement process does not influence the runner of molten plastic, replace strainer
Actuation time it is very short, only have a small amount of molten plastic in the process and flow through, do not influence whole filter effect.
The above is only better embodiment of the invention, not makes any form of restriction to invention, it is all according to
According to technical principle any simple modification, equivalent variations or modification made to the above embodiment of the invention, the present invention is still fallen within
In the range of technical solution.
Claims (8)
1. a kind of built-in shunting block insert type filter, including charging template (1), material discharging mould (2) and positioned at mistake between the two
Sieve plate (3) has strainer (4) on the screen pack (3), and screen pack (3) front and rear sides form feed cavity (5) and out
Expect chamber (6), connection is detachably fixed between the charging template (1), material discharging mould (2) and screen pack (3) three and even
The place of connecing is provided with seal assembly (7), it is characterised in that: and the feed end of charging template (1) is provided with charging shunting body (8),
The discharge end of the material discharging mould (2) is provided with discharging shunting body (9), and the charging shunting body (8) is located at feed cavity (5) center
The charging runner (10) of annular is separated to form in region and by feed cavity (5), the volume of charging runner (10) is along plastics stream
Dynamic direction incrementally increases or keeps during increase stage constant state；The discharging shunting body (9) is located at discharging chamber (6)
Discharging chamber (6) are simultaneously separated the discharging runner (11) circularized by central area, and the volume of discharging runner (11) is along plastics stream
Dynamic direction gradually reduces or keeps during reduction stage constant state.
2. built-in shunting block insert type filter according to claim 1, it is characterised in that: charging shunting body (8) packet
The charging interconnecting piece (12) in outside and the charging diversion division (13) of inside are included, the charging interconnecting piece (12) is fixed by screws in
Template (1) surface is fed, the charging diversion division (13) is protruded into feed cavity (5), and the charging interconnecting piece (12) is led with charging
Connection feed cavity (5) and the extraneous and annular feed well (14) to feed are provided between stream portion (13).
3. built-in shunting block insert type filter according to claim 2, it is characterised in that: discharging shunting body (9) packet
The discharging interconnecting piece (15) in outside and the discharging diversion division (16) of inside are included, the discharging interconnecting piece (15) is fixed by screws in
Material discharging mould (2) surface, the discharging diversion division (16) are protruded into discharging chamber (6), and the discharging interconnecting piece (15) and discharging are led
Connection discharging chamber (6) and the extraneous and annular blow tank (17) to discharge are provided between stream portion (16).
Built-in shunt block insert type filter 4. according to claim 3, it is characterised in that: the annular feed well (14) and
The annular respective quantity at least two of blow tank (17), is uniformly distributed along respective circumferencial direction.
5. built-in block insert type filter is shunted according to claim 1, it is characterised in that: the screen pack (3) includes
The connecting plate (18) in outside and the flashboard (19) of inside, the connecting plate (18) and charging template (1), material discharging mould (2) connection
Together, the strainer (4) is located on flashboard (19), and the quantity of the strainer (4) is 2, along flashboard (19) length direction cloth
It sets, is provided with hydraulic cylinder (20) on the outside of the connecting plate (18), the hydraulic cylinder (20) is connected to flashboard (19) by connecting rod
On short side, hydraulic cylinder (20) driving flashboard (19) moves and makes one of strainer (4) and feeds template (1), goes out
Expect template (2) connection.
6. built-in shunting block insert type filter according to claim 5, it is characterised in that: the connecting plate (18) includes phase
Upper deckle board (21), lower frame plate (22), end plate (23) and the front end-plate (24) to connect, the upper deckle board (21) and lower frame plate
(22) it is linked together with charging template (1), material discharging mould (2) by screw rod.
7. built-in block insert type filter is shunted according to claim 1, it is characterised in that: the seal assembly (7) includes
Feeding seal expansion loop (25), polytetrafluoroethylene ring (26) and the charging being arranged between charging template (1) and screen pack (3)
Sealing ring (27), and the discharging sealing ring (28) being arranged between material discharging mould (2) and screen pack (3).
8. built-in shunting block insert type filter according to claim 1, it is characterised in that: the charging template (1), discharging
Connection is detachably fixed by screw rod realization between template (2) and screen pack (3) three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579947.7A CN109849299B (en) | 2018-12-24 | 2018-12-24 | Built-in split-flow insert type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579947.7A CN109849299B (en) | 2018-12-24 | 2018-12-24 | Built-in split-flow insert type filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109849299A true CN109849299A (en) | 2019-06-07 |
| CN109849299B CN109849299B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811579947.7A Active CN109849299B (en) | 2018-12-24 | 2018-12-24 | Built-in split-flow insert type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109849299B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA873623B (en) * | 1986-05-23 | 1987-11-16 | Hoechst Aktiengesellschaft | Filter apparatus for the uniform filtration of plastic melts |
| JP2005041015A (en) * | 2003-07-24 | 2005-02-17 | Jfe Steel Kk | Filter apparatus for molten plastic |
| CN203381174U (en) * | 2013-08-12 | 2014-01-08 | 浙江精诚模具机械有限公司 | Circulating-type screen exchanger for filtering melt of plastic extrusion system |
| CN107081892A (en) * | 2017-05-26 | 2017-08-22 | 浙江精诚模具机械有限公司 | The rotary plastics fondant filter of inner core |
| CN209492137U (en) * | 2018-12-24 | 2019-10-15 | 浙江精诚模具机械有限公司 | Built-in shunting block insert type filter |
-
2018
- 2018-12-24 CN CN201811579947.7A patent/CN109849299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA873623B (en) * | 1986-05-23 | 1987-11-16 | Hoechst Aktiengesellschaft | Filter apparatus for the uniform filtration of plastic melts |
| JP2005041015A (en) * | 2003-07-24 | 2005-02-17 | Jfe Steel Kk | Filter apparatus for molten plastic |
| CN203381174U (en) * | 2013-08-12 | 2014-01-08 | 浙江精诚模具机械有限公司 | Circulating-type screen exchanger for filtering melt of plastic extrusion system |
| CN107081892A (en) * | 2017-05-26 | 2017-08-22 | 浙江精诚模具机械有限公司 | The rotary plastics fondant filter of inner core |
| CN209492137U (en) * | 2018-12-24 | 2019-10-15 | 浙江精诚模具机械有限公司 | Built-in shunting block insert type filter |
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| Publication number | Publication date |
|---|---|
| CN109849299B (en) | 2024-04-09 |
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