CN203750418U - Encapsulating mold for filter core of hollow fiber membrane - Google Patents
Encapsulating mold for filter core of hollow fiber membrane Download PDFInfo
- Publication number
- CN203750418U CN203750418U CN201420045160.3U CN201420045160U CN203750418U CN 203750418 U CN203750418 U CN 203750418U CN 201420045160 U CN201420045160 U CN 201420045160U CN 203750418 U CN203750418 U CN 203750418U
- Authority
- CN
- China
- Prior art keywords
- ladder
- charge groove
- filter
- hollow fiber
- fiber membrane
- 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.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 30
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 24
- 239000011258 core-shell material Substances 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 8
- 239000011368 organic material Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 229920002313 fluoropolymer Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 25
- 238000005266 casting Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000001471 micro-filtration Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 238000000108 ultra-filtration Methods 0.000 description 3
- 235000012489 doughnuts Nutrition 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- NDAUXUAQIAJITI-UHFFFAOYSA-N albuterol Chemical compound CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 NDAUXUAQIAJITI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 229940070384 ventolin Drugs 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an encapsulating mold for a filter core of a hollow fiber membrane. The encapsulating mold is characterized in that an inner cavity of the encapsulating mold is a material containing groove, wherein the bottom end of the material containing groove is closed; the bottom of the material containing groove is a plane, and the inner side wall of the material containing groove is in a step shape. The encapsulating mold has the beneficial effects of being simple in structure, easy to machine and convenient to use; the inner cavity is in a step design, so that the purposes of controlling pouring appearance of the filter core and lowering the demolding difficulty are achieved, the encapsulated and poured filter core can be completely removed, the damage of a workpiece in a demolding process is avoided, and the encapsulating efficiency and the good rate of products are effectively improved.
Description
Technical field
The utility model relates to the manufacture field of hollow fiber membrane cartridge, particularly relates to a kind of hollow fiber membrane cartridge encapsulating die.
Background technology
Doughnut micro-filtration/ultrafiltration membrane elements is application of membrane the most a kind of form.General, doughnut micro-filtration/ultrafiltration membrane elements is made up of thousands of hollow fiber film threads, has micropore on hollow-fibre membrane, allows solvent and the material permeance that is less than micropore size, hold back the material that is greater than micropore size simultaneously, be therefore widely used in drink water purifying field.
As the hollow fiber membrane cartridge of water purifier core component, compared with ceramic element, active carbon filter core etc., there is the advantages such as specific area is large, packed density is high, easy cleaning.Distinguish according to the placement form of filter core inner membrance tow, hollow fiber membrane cartridge can be divided into two kinds of U-shaped external-compression type and column type inner presseds.Wherein, U-shaped external pressing type hollow fibrous membrane filter core is applied generally in family expenses small-sized water purifying appliance, and its size is less, mainly by centrifugal casting method embedding, has the inefficient shortcoming of cast, column type inner pressed filter core uses in the big-and-middle-sized purifiers such as pipeline water-purifying machine and Treatment of Industrial Water, for enhancing productivity, reduce production costs, in present stage industry, adopt encapsulating die to pour into a mould production to column type inner pressed filter core more, and existing encapsulating die is mainly with aluminium alloy, stainless steel and other metal materials casting, although realized large batch of production, but the bonding force between the main casting glue of encapsulating die and the Epoxy/Polyurethane etc. of metal material is stronger, there is the large problem of artificial demoulding difficulty, particularly in knockout course, filter core and mould are stressed when excessive or uneven, easily cause the damage of mould and filter core.
Utility model content
Based on the problems referred to above, the utility model provides a kind of hollow fiber membrane cartridge encapsulating die, has ensured embedding efficiency, has solved the large problem of demoulding difficulty in existing encapsulation technology simultaneously.
For achieving the above object, the utility model adopts following technical scheme:
A kind of hollow fiber membrane cartridge encapsulating die, the inner chamber of described encapsulating die is charge groove, the bottom sealing of described charge groove;
The bottom of described charge groove is plane, and madial wall is stepped.
In an embodiment, on the madial wall of described charge groove, be provided with the first ladder therein, for fixing filter-core shell;
The external diameter Φ A of described the first ladder equates with the external diameter of described filter-core shell.
In an embodiment, the width L1 of described the first ladder is more than or equal to the thickness of described filter-core shell therein.
In an embodiment, on the madial wall of described charge groove, be also provided with the second ladder therein, and described the second ladder is near the blind end of described charge groove.
In an embodiment, the width L2 of described the second ladder is not less than 2mm therein.
In an embodiment, described encapsulating die is made up of hydrophobicity organic material therein.
In an embodiment, described hydrophobicity organic material is the one in silicon rubber, fluorubber and fluoroplastics therein.
Hollow fiber membrane cartridge encapsulating die of the present utility model is simple in structure, and easily processing, easy to use; And inner chamber adopts stepped design, the cast outward appearance of controlling filter core and the object that reduces demoulding difficulty are reached, filter core after embedding cast can be complete be deviate from, avoided the damage of workpiece in knockout course, effectively improved the acceptance rate of embedding efficiency and product.
Brief description of the drawings
Fig. 1 is the top view of the utility model hollow fiber membrane cartridge encapsulating die one embodiment;
Fig. 2 is that the A-A of hollow fiber membrane cartridge encapsulating die shown in Fig. 1 is to view.
Detailed description of the invention
Describe the utility model in detail below in conjunction with embodiment.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
The utility model provides a kind of hollow fiber membrane cartridge encapsulating die, bonding for the sealing of film tow and filter-core shell, and its inner chamber is the charge groove of bottom sealing; The bottom of charge groove is plane, and the madial wall of charge groove is stepped.
In the utility model, hollow fiber membrane cartridge can be micro-filtration membrane, can be also milipore filter.Charge groove is used for holding casting glue, and casting glue is prepared into filter core for film tow and filter-core shell are sealed to bond together, and sealed at both ends by filter core simultaneously, prevents from overflowing after former water from entering filter core.In the time carrying out embedding cast, film tow vertically inserts in charge groove, and the bottom connection of one end of film tow and charge groove touches; Filter-core shell is vertically fixed on the ladder of madial wall of charge groove.
Encapsulating die main body of the present utility model is the charge groove of bottom sealing, simple in structure, and easily processing, easy to use; Its madial wall adopts stair-stepping design, make the also stepped design of final cast outward appearance of filter core, has played the object of controlling filter core and finally pour into a mould outward appearance; Meanwhile, stair-stepping filter cartridge construction is easily deviate from from encapsulating die, effectively reduces demoulding difficulty, has avoided the damage of workpiece in knockout course, has effectively improved the acceptance rate of embedding efficiency and product.
It should be noted that, in technical process, first will be by concordant the end face shutoff of film tow, then film tow is vertically inserted in charge groove, to ensure that the follow-up encapsulation of filter core is carried out smoothly and the neat degree of FINAL APPEARANCE; And the bottom of charge groove is plane in the present embodiment, film tow and filter-core shell are carried out after embedding cast, still can keep concordant end face.
More preferably, above-mentioned encapsulating die is made up of hydrophobicity organic material.Compared with metal material, hydrophobic material has lower surface can, casting glue solidify after and encapsulating die between adhesion less, reduce artificial demoulding difficulty, prevent encapsulating die and filter core unbalance stress or the stressed excessive workpiece damage causing in knockout course, effectively improved the acceptance rate of embedding efficiency and filter core product.The utility model without particular restriction, is preferably the one in silicon rubber, fluorubber and fluoroplastics to hydrophobic material, and fluoroplastics are preferably polytetrafluoroethylene (PTFE).Taking silicon rubber as example, in the time carrying out the selection of encapsulating die material, can select the silicon rubber of different hardness to cast encapsulating die according to the machinability of mould and demoulding difficulty.
In the time using encapsulating die of the present utility model, casting glue is preferably the one in epoxy resin or polyurethane, and its cohesive force for filter-core shell and film tow is stronger, and ageing-resistant, corrosion-resistant, can effectively play effect bonding, sealing.Preferably, casting glue before use, first carries out deaeration processing, the gas in glue is removed, to ensure its caking property and sealing; Concrete, select defoamer to carry out vacuum defoamation to casting glue, can effectively remove fast the bubble in casting glue.
As a kind of embodiment, on the madial wall of charge groove, be provided with the first ladder, for fixing filter-core shell, and the external diameter Φ A of the first ladder equates with the external diameter of filter-core shell.In the time carrying out embedding cast, filter-core shell is vertically inserted in charge groove, and because the external diameter of filter-core shell equates with the external diameter of the first ladder, the inner side wall energy of the lateral wall of filter-core shell and charge groove fits tightly, filter-core shell can be fastened in charge groove, strengthen its firm performance.
In above-described embodiment, the width of the first ladder is more than or equal to the thickness of filter-core shell.After filter-core shell is inserted in charge groove, due to the wider width of the first ladder, the end of filter-core shell can be fixed on the first ladder fully and be unlikely unsettled, further increase the steadiness of filter-core shell; When the width of the first ladder is greater than the thickness of filter-core shell, in the process of embedding cast, between filter-core shell and film tow, there is gap, this gap is filled by casting glue, avoid the generation of the contact phenomena of film tow and filter-core shell madial wall, ensured security performance and the sealing property of filter core.
Preferably, as a kind of embodiment, on the madial wall of charge groove, be also provided with the second ladder, and the second ladder is near the blind end of charge groove.In the time carrying out embedding cast, casting glue is poured in charge groove, film tow vertically inserts the bottom of charge groove, and filter-core shell is vertically inserted and secured on the first ladder; In the time that the width of the first ladder and the thickness of filter-core shell equate, the second ladder provides insulating space for filter-core shell and film tow, and casting glue can be filled in this insulating space, after solidifying, forms glue ring, and film tow and filter-core shell madial wall can not be come in contact.The width of the second ladder is larger, and the glue ring forming between filter-core shell and film tow after embedding cast is thicker, and more preferably, the width of the second ladder is not less than 2mm.
In the preparation process of encapsulating die of the present utility model, the external diameter of the first ladder and width can design according to the external diameter of filter-core shell and thickness, and filter-core shell is mated mutually with the first ladder; The width of the second ladder can design according to the FINAL APPEARANCE of filter core and technological requirement (as the thickness requirement to glue ring between filter-core shell and film tow); The internal diameter of charge groove designs according to the loading of film tow, and conversely, the internal diameter of charge groove has determined the maximum loading of film tow.
For the utility model can be described further, with a specific embodiment, the utility model is described in detail below.
Embodiment 1
Referring to Fig. 1 and Fig. 2, be an embodiment of the encapsulating die of this hollow-fibre membrane of the present utility model, in this embodiment, the concentric cylinder that encapsulating die is sealed by bottom forms, and its inner chamber forms charge groove 100.Charge groove 100 has following characteristics: on the madial wall of charge groove 100, be provided with the first ladder 110 and the second ladder 120, the second ladders 120 bottom 130 near charge groove 100; The bottom 130 of charge groove 100 is plane; The silicon rubber that charge groove 100 is 90 degree by hardness is made.
Concrete, in the present embodiment, the external diameter Φ A of the first ladder 110 is 94mm, the half of the external diameter Φ A of width L1(the first ladder 110 and the difference of its internal diameter) be 4mm; Width L2(second external diameter of ladder 120 of the second ladder 120 and the half of the difference of its internal diameter) be 3mm; The diameter of phi B of the bottom of charge groove is 82mm, and the diameter of phi B of the bottom 130 of charge groove 100 determines according to film tow loading.Wherein, the diameter of the bottom 130 of charge groove 100 is equivalent to the internal diameter of the second ladder 120, and the external diameter of the second ladder 120 is equivalent to the internal diameter of the first ladder 110.In the present embodiment, the maximum height H1 of charge groove 100 is 69mm, the height H 2 of the inner chamber of charge groove 100 is 57mm, and the second ladder 120 upper surfaces are 42mm to the height H 3 of charge groove 100 upper surfaces, and the first ladder 110 upper surfaces are 37mm to the height H 4 of charge groove 100 upper surfaces.
In the time carrying out embedding cast, in charge groove 100, inject casting glue, the amount of casting glue accounts for 90% of charge groove 100 cubical contents; Film tow is vertically inserted into the bottom 130 of charge groove 100, filter-core shell is vertically fixed on the first ladder 110 simultaneously; Now, in the space of the second ladder 120 tops, filled by casting glue, played the effect of isolation filter-core shell and film tow.
Above-mentioned encapsulating die is simple in structure, easy to use, and reusable, and has stronger practicality, is applicable to the embedding cast of multiple hollow fiber ultrafiltration membrane filter core; Adopting hydrophobicity organic material is raw material preparation, have less surface can, and adhesion between casting glue after solidifying is lower, has reduced the demoulding difficulty after embedding cast finishes; Reach the object of controlling filter core cast outward appearance by stair-stepping structural design, reduced cast difficulty, avoided the phenomenon that filter-core shell contacts with film tow to occur, improved the acceptance rate of demoulding operating efficiency and final filter core product.
In actual applications, the height H 2 of the inner chamber of the maximum height H1 of the diameter of phi B of the bottom 130 of the external diameter Φ A of the first ladder 110, charge groove 100, charge groove 100, charge groove 100, the second ladder 120 upper surfaces can be determined to the concrete numerical value of the height H 4 of charge groove 100 upper surfaces according to actual needs to height H 3 and first ladder 110 upper surfaces of charge groove 100 upper surfaces.
The using method of hollow fiber membrane cartridge encapsulating die of the present utility model comprises the following steps:
S100: evenly smear one deck lubricant on the inwall of charge groove; Lubricant can be vaseline, grease, cup grease and releasing agent, and lubricant is preferably chosen medical ventolin, and its cost is low, wholesomeness is good, and has preferably isolation effect;
S200: pour into appropriate casting glue, standing and defoaming in charge groove; Usually, the addition of casting glue at least accounts for 30% of charge groove cubical content, and casting glue is preferably epoxy resin or polyurethane;
S300: film tow is vertically inserted in the bottom at charge groove, and filter-core shell is vertically inserted on first ladder of madial wall of charge groove;
As a kind of embodiment, before step S200, need be by concordant the end face shutoff of film tow, to ensure the neat of embedding cast rear end face.
S400: after casting glue solidifies, film tow and the filter-core shell formation filter core that bonds together is deviate from filter core from charge groove.
In said method, while carrying out the embedding cast of filter-core shell and film tow, encapsulating die is carried out to pre-treatment, smear one deck lubricant at the inwall of encapsulating die, play the effect of isolation encapsulating die and casting glue, in conjunction with feature (lower surface energy) and the stair-stepping design of the utility model encapsulating die hydrophobicity organic material, effectively reduce the adhesion between encapsulating die and casting glue, reduce demoulding difficulty, improved overall embedding efficiency and product yield.
Above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (7)
1. a hollow fiber membrane cartridge encapsulating die, is characterized in that, the inner chamber of described encapsulating die is charge groove, the bottom sealing of described charge groove;
The bottom of described charge groove is plane, and madial wall is stepped.
2. hollow fiber membrane cartridge encapsulating die according to claim 1, is characterized in that, is provided with the first ladder on the madial wall of described charge groove, for fixing filter-core shell;
The external diameter Φ A of described the first ladder equates with the external diameter of described filter-core shell.
3. hollow fiber membrane cartridge encapsulating die according to claim 2, is characterized in that, the width L1 of described the first ladder is more than or equal to the thickness of described filter-core shell.
4. according to the hollow fiber membrane cartridge encapsulating die described in claim 2 or 3, it is characterized in that, on the madial wall of described charge groove, be also provided with the second ladder, and described the second ladder is near the blind end of described charge groove.
5. hollow fiber membrane cartridge encapsulating die according to claim 4, is characterized in that, the width L2 of described the second ladder is not less than 2mm.
6. hollow fiber membrane cartridge encapsulating die according to claim 1, is characterized in that, described encapsulating die is made up of hydrophobicity organic material.
7. hollow fiber membrane cartridge encapsulating die according to claim 6, is characterized in that, described hydrophobicity organic material is the one in silicon rubber, fluorubber and fluoroplastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045160.3U CN203750418U (en) | 2014-01-23 | 2014-01-23 | Encapsulating mold for filter core of hollow fiber membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045160.3U CN203750418U (en) | 2014-01-23 | 2014-01-23 | Encapsulating mold for filter core of hollow fiber membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750418U true CN203750418U (en) | 2014-08-06 |
Family
ID=51245728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045160.3U Expired - Lifetime CN203750418U (en) | 2014-01-23 | 2014-01-23 | Encapsulating mold for filter core of hollow fiber membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801190A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Hollow fiber membrane filtration core potting mold and use method thereof |
| CN105983343A (en) * | 2015-02-12 | 2016-10-05 | 昆山精诚膜技术有限公司 | Sealing sleeve part for ultrafiltration filter core |
-
2014
- 2014-01-23 CN CN201420045160.3U patent/CN203750418U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104801190A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Hollow fiber membrane filtration core potting mold and use method thereof |
| CN104801190B (en) * | 2014-01-23 | 2018-11-09 | 珠海格力电器股份有限公司 | Hollow fiber membrane cartridge encapsulating die and its application method |
| CN105983343A (en) * | 2015-02-12 | 2016-10-05 | 昆山精诚膜技术有限公司 | Sealing sleeve part for ultrafiltration filter core |
| CN105983343B (en) * | 2015-02-12 | 2018-11-02 | 昆山精诚膜技术有限公司 | Ultra-filtration element sealing external member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |