CN115781774A - Film wire cold rolling mill, film wire and preparation method of film assembly - Google Patents
Film wire cold rolling mill, film wire and preparation method of film assembly Download PDFInfo
- Publication number
- CN115781774A CN115781774A CN202310132543.8A CN202310132543A CN115781774A CN 115781774 A CN115781774 A CN 115781774A CN 202310132543 A CN202310132543 A CN 202310132543A CN 115781774 A CN115781774 A CN 115781774A
- Authority
- CN
- China
- Prior art keywords
- membrane
- blunt
- rolling
- film
- sharp knife
- 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.)
- Granted
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention belongs to the field of film yarn forming, and particularly relates to a film yarn cold rolling mill, a film yarn and a preparation method of a film assembly. The film wire cold rolling mill comprises an upper rolling cutter plate and a corresponding lower rolling cutter plate; the upper knife rolling plate is provided with a sharp knife line and a blunt edge peak; the section of the sharp knife line along the z direction is triangular; the blunt crest is arranged on one side or two sides of the sharp knife line; because the primary state of the membrane yarn is not completely cured, the membrane yarn end-sealing treatment can be realized in an extrusion cold curing mode, the existing membrane yarn end-sealing treatment process is not needed, and the cost is saved.
Description
Technical Field
The invention belongs to the field of film yarn forming, and particularly relates to a film yarn cold rolling mill, a film yarn and a preparation method of a film assembly.
Background
In the production process of the hollow fiber membrane, after membrane filaments are collected to a preset number on a filament collecting wheel, the membrane filaments are required to be cut and bundled into filament bundles, the internal cavity of the cut membrane filaments is exposed outside, and blocking treatment is required in advance when the membrane filaments are subsequently cast into an assembly, so that invalidation of the membrane filaments caused by the fact that epoxy resin is immersed into the blocked inner diameter in the casting process is prevented.
The membrane filaments are cut into bundles and then subjected to end sealing treatment, which is an important process in the production process of the conventional hollow fiber membrane, but the whole process is complex and wastes the cost.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a membrane wire cold rolling mill, a membrane wire and a preparation method of a membrane component.
In order to achieve the purpose, the invention adopts the following technical scheme:
a film silk cold rolling mill comprises an upper rolling cutter plate and a corresponding lower rolling cutter plate;
the upper knife rolling plate is provided with a sharp knife line and a blunt edge peak; the length direction of the above rolling cutter plate is the x direction, the width direction is the y direction, and the height direction is the z direction;
the sharp knife line is 0-100% of the upper knife rolling plate in the y direction, the length of the sharp knife line in the x direction is 10cm-2m, and the section of the sharp knife line in the z direction is triangular; the width of the widest part of the triangle is 0.1mm-0.1cm; the vertex angle of the triangle in the z direction is alpha, and alpha is more than 0 degree and less than or equal to 20 degrees;
the blunt edge peak is arranged on one side or two sides of the sharp knife line; the length of the blunt peak in the x direction is 10cm-2m, and the section of the blunt peak along the z direction is triangular, circular, arc or square;
the lower rolling knife plate is provided with a sharp knife slot and a blunt edge peak slot; the sharp knife line groove is arranged corresponding to the sharp knife line, and the blunt peak groove is arranged corresponding to the blunt peak.
The sharp knife line is 40-60% of the upper knife rolling plate in the y direction, the length of the sharp knife line in the x direction is 1m, and the section of the sharp knife line in the z direction is triangular; the width of the widest part of the triangle is 0.5mm; the apex angle in the z direction of the triangle is α, α =15 °.
The section of the blunt peak along the z direction is triangular, and the width of the widest part of the triangle is 1mm-1cm; the vertex angle in the z direction of the triangle is beta, and the beta is more than or equal to 120 degrees and less than 180 degrees; the blunt edge peak is arranged on one side or two sides of the sharp knife line; the length of the blunt peak in the x direction is 1m, and the section of the blunt peak along the z direction is triangular; the width of the widest part of the triangle is 5mm; the apex angle in the z direction of the triangle is β, β =150 °.
The vertex angle of the blunt crest forms arc transition.
The number of the blunt peaks is 1 or more.
The two blunt peaks are continuous.
The invention also comprises the film wire manufactured by the film wire cold rolling mill; the membrane wire comprises a membrane wire body and cold rolling ends arranged at one end or two ends of the membrane wire body; the cold rolling end comprises an extrusion end closure made of a blunt ridge and a cutting end made of a sharp knife line.
The invention also includes a method of making a membrane module comprising the steps of:
1) Penetrating the membrane filaments into the membrane shell, wherein the ends of the membrane filaments extend out of the ends of the membrane shell for a certain distance;
2) Installing a pouring model below the end head of the membrane shell, and injecting a packaging resin material into the pouring model;
3) Curing the packaging resin material at a curing temperature, taking down the casting model, and cutting the end head of the membrane wire along a cutting line; after the cutting line is cut, the internal cavity of the membrane wire is exposed to finish the pouring and cutting of one end of the membrane wire;
4) Repeating the steps 1) -3) to finish the pouring and cutting of the other end of the membrane wire;
5) And completing the packaging of the assembly.
Compared with the prior art, the invention has the beneficial effects that:
1) Because the primary state (primary membrane yarn) of the membrane yarn is not completely cured, the membrane yarn end-sealing treatment can be realized in an extrusion cold curing mode without post end-sealing treatment, and the cost is saved.
2) The cutting and end-sealing integrated device can simultaneously cut and end-seal a plurality of hollow fiber membrane filaments, and realize the integration of the membrane filaments into bundles and end-seal.
3) The fittings are of a common type and are readily available.
4) The existing spinning and casting processes are completely adaptive.
Drawings
FIG. 1 is a schematic cross-sectional view in the z-direction of an upper blade plate of a cold-rolling film-wire mill according to an embodiment of the present invention;
FIG. 2 is a schematic top view of an upper rolling blade of a cold-strip rolling mill according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the lower blade plate of the cold-rolling film-wire mill according to the embodiment of the invention in the z direction;
FIG. 4 is a schematic top view of a lower blade of a cold film-wire rolling mill according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view taken along the z-direction of a cold-strip rolling mill in accordance with an embodiment of the present invention;
FIG. 6 is a schematic top view of a cold-rolling film-wire mill according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of the preparation of a membrane module according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Fig. 1-6 show a film cold-rolling mill comprising an upper rolling blade 1 and a corresponding lower rolling blade 4;
the upper knife rolling plate is provided with a sharp knife line 2 and a blunt edge peak 3; the length direction of the above rolling cutter plate is the x direction, the width direction is the y direction, and the height direction is the z direction;
the sharp knife line is arranged at 0-100% of the upper knife rolling plate in the y direction, and when the sharp knife line is arranged at the top end or the tail end, the sharp knife line cuts and seals the end of the membrane wire; preferably, the sharp knife line is positioned at any one of 40% to 60% of the y direction of the upper rolling knife plate, 40%, 41%. 59% and 60%, more preferably, at 50%, one-time cutting and end capping can be realized to obtain cutting and end capping of two membrane filaments, the length of the sharp knife line in the x direction is 10cm to 2m, specifically, 10cm, 20cm.. 1.9m and 2m, and the sharp knife line can be designed according to the number of the membrane filaments to be cut, and is not limited in the embodiment of the application; the section of the sharp knife line along the z direction is triangular; the width of the widest part of the triangle is 0.1mm-0.1cm; specifically, the thickness can be 0.1mm, 0.2mm.. 0.9mm, 1mm; the vertex angle in the z direction of the triangle is alpha, alpha is more than 0 degree and less than or equal to 20 degrees, and specifically, the vertex angle can be 1 degree, 2 degrees, 19 degrees and 20 degrees; the sharp knife line is convenient for finishing cutting, and the width of the widest part of the triangle is preferably 0.5mm in consideration of the forming of the sharp knife line; the vertex angle in the z direction of the triangle is alpha, and alpha =15 degrees;
the blunt crest is arranged on one side or two sides of the sharp knife line; when the sharp knife line is arranged at 40-60% of the y direction of the upper knife rolling plate, the blunt edge peaks are arranged at two sides of the sharp knife line; the number of the blunt peaks may be 1 or more. In a preferred form, the two blunt ridges are continuous in this embodiment. The design of different quantities of the blunt edge peaks can be carried out according to the construction process of the membrane filaments.
The length of the blunt ridge in the x direction is 10cm-2m, specifically 10cm, 20cm.. 1.9m, 2m, and can be designed according to the number of membrane wires to be cut, and is not limited in the embodiment of the application; the section of the blunt peak along the z direction can be triangular, circular, arc or square, and the extrusion end sealing can be completed; preferably, the section of the blunt peak along the z direction is triangular; the width of the widest part of the triangle is 1mm-1cm; specifically, the thickness can be 1mm, 2mm.. 9mm, 10mm; the vertex angle of the triangle in the z direction is beta, and the beta is more than or equal to 120 degrees and less than 180 degrees. Specifically, the angle can be 120 °, 121 °.178 °, 179 °; in a preferred form thereof, the widest part of the triangle is 5mm wide; the apex angle in the z direction of the triangle is β, β =150 °. In a more preferred form, the apex angles of the blunt ridges form an arcuate transition. The arc transition can more conveniently realize the end sealing treatment of the membrane yarn by a mode of extruding and cold curing the membrane yarn.
Correspondingly, the lower rolling cutter plate is provided with a sharp cutter line groove and a blunt peak groove; the sharp knife line groove is arranged corresponding to the sharp knife line, and the blunt peak groove is arranged corresponding to the blunt peak.
The preparation method of the membrane yarn adopts the following steps: the hollow fiber membrane yarn bundle composed of a plurality of primary membrane yarns 7 is neatly arranged and drawn to a lower rolling cutter plate 4 of a membrane yarn cold rolling mill, a preset cutting position is located in a sharp cutter wire groove 5, an upper rolling cutter plate 1 is mechanically or manually closed, a sharp cutter wire 2 is embedded in the sharp cutter wire groove 5, the primary membrane yarns are cut off by the sharp cutter wire, meanwhile, a blunt ridge 3 is embedded in a blunt ridge groove 6, and the inner wall of the primary membrane yarn is subjected to cold welding and sealing under the extrusion of external force and is not broken, so that the membrane yarn is obtained.
The prepared membrane wire comprises a membrane wire body and cold rolling ends arranged at one end or two ends of the membrane wire body; the cold rolled end comprises an extrusion end closure 8 and a cutting end 12; the cutting end 12 is cut by a sharp knife line; the extrusion end cap 8 is obtained by extruding a blunt peak.
Preparing a membrane assembly (shown in fig. 7) by using the prepared membrane filaments, comprising the following steps of:
1) Penetrating the membrane filaments into the membrane shell 9, wherein the ends of the membrane filaments extend out of the ends of the membrane shell for a certain distance;
2) Installing a casting model 11 below the end head of the membrane shell, and injecting a packaging resin material into the casting model;
3) Curing the packaging resin material at a curing temperature, taking down the casting model, and cutting the end of the membrane wire along the cutting line 10; after the cutting line is cut, the internal cavity of the membrane wire is exposed to finish the casting cutting of one end of the membrane wire;
4) Repeating the steps 1) -3) to finish the pouring and cutting of the other end of the membrane wire;
5) And completing the packaging of the assembly.
The above description is only a preferred embodiment of the present invention, and it should not be understood that the present invention is limited to the details of the embodiment and the range of applications, which can be changed by those skilled in the art according to the spirit of the present invention.
Claims (9)
1. A film silk cold rolling mill is characterized by comprising an upper rolling cutter plate and a corresponding lower rolling cutter plate;
the upper knife rolling plate is provided with a sharp knife line and a blunt edge peak; the length direction of the above rolling cutter plate is the x direction, the width direction is the y direction, and the height direction is the z direction;
the sharp knife line is 0-100% of the upper knife rolling plate in the y direction, the length of the sharp knife line in the x direction is 10cm-2m, and the section of the sharp knife line in the z direction is triangular; the width of the widest part of the triangle is 0.1mm-0.1cm; the vertex angle of the triangle in the z direction is alpha, and alpha is more than 0 degree and less than or equal to 20 degrees;
the blunt crest is arranged on one side or two sides of the sharp knife line; the length of the blunt edge peak in the x direction is 10cm-2m, and the cross section of the blunt edge peak along the z direction is triangular, circular, arc or square;
the lower cutting board is provided with a sharp cutting line groove and a blunt peak groove; the sharp knife line groove is arranged corresponding to the sharp knife line, and the blunt edge peak groove is arranged corresponding to the blunt edge peak.
2. The cold rolling mill of claim 1, wherein the sharp knife line is 40-60% of the y direction of the upper rolling plate, the length of the sharp knife line in the x direction is 1m, and the section of the sharp knife line in the z direction is triangular; the width of the widest part of the triangle is 0.5mm; the apex angle in the z direction of the triangle is α, α =15 °.
3. The cold-rolling film wire mill according to claim 1, wherein the section of the blunt peak along the z direction is triangular, and the width of the widest part of the triangle is 1mm-1cm; the vertex angle of the triangle in the z direction is beta, and the beta is more than or equal to 120 degrees and less than 180 degrees.
4. The cold-rolling film wire mill according to claim 3, wherein the length of the blunt peak in the x direction is 1m, and the section of the blunt peak along the z direction is triangular; the width of the widest part of the triangle is 5mm; the apex angle in the z direction of the triangle is β, β =150 °.
5. The cold-rolling film wire mill according to claim 3, wherein the top corners of the blunt ridges form an arc transition.
6. The cold-rolling film wire mill according to claim 1, wherein the number of the blunt peaks is 1 or more.
7. The cold-rolling film-wire mill according to claim 1, wherein the two blunt ridges are continuous.
8. A film yarn produced by using the film yarn cold rolling mill according to any one of claims 1 to 7; the membrane wire comprises a membrane wire body and cold rolling ends arranged at one end or two ends of the membrane wire body; the cold rolling end comprises an extrusion end closure made of a blunt ridge and a cutting end made of a sharp knife line.
9. A method of making a membrane module, comprising the steps of:
1) Threading the membrane thread of claim 8 into the membrane shell with the end of the membrane thread extending a distance beyond the end of the membrane shell;
2) Installing a pouring model below the end head of the membrane shell, and injecting a packaging resin material into the pouring model;
3) Curing the packaging resin material at a curing temperature, taking down the casting model, and cutting the end head of the membrane wire along a cutting line; after the cutting line is cut, the internal cavity of the membrane wire is exposed to finish the pouring and cutting of one end of the membrane wire;
4) Repeating the steps 1) -3) to finish the pouring and cutting of the other end of the membrane wire;
5) And completing the packaging of the assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310132543.8A CN115781774B (en) | 2023-02-20 | 2023-02-20 | Membrane wire cold rolling machine, membrane wire and preparation method of membrane assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310132543.8A CN115781774B (en) | 2023-02-20 | 2023-02-20 | Membrane wire cold rolling machine, membrane wire and preparation method of membrane assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115781774A true CN115781774A (en) | 2023-03-14 |
| CN115781774B CN115781774B (en) | 2023-05-26 |
Family
ID=85431016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310132543.8A Active CN115781774B (en) | 2023-02-20 | 2023-02-20 | Membrane wire cold rolling machine, membrane wire and preparation method of membrane assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115781774B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113527A (en) * | 2016-06-20 | 2016-11-16 | 西安交通大学 | A kind of fiber placement equipment synchronizes, to pre-soaking fiber tow, the device that clamping is sheared |
| CN106410694A (en) * | 2015-08-05 | 2017-02-15 | 天津信诺特电子有限公司 | Safe and high-efficient cable stripping machine |
| CN108749036A (en) * | 2018-06-29 | 2018-11-06 | 中国科学院自动化研究所 | Composite material piddler head and its shear knife |
| CN208375432U (en) * | 2018-05-04 | 2019-01-15 | 北京天域科技有限公司 | A kind of belt spreading machine free angle cutter device |
| CN109576828A (en) * | 2018-12-21 | 2019-04-05 | 东华大学 | A kind of external guillotine type fiber beam cutting mechanism and purposes for beam intensity instrument |
| CN216103097U (en) * | 2021-09-23 | 2022-03-22 | 北京大森包装机械有限公司 | Tooth-shaped cutter holder and packaging machine comprising same |
-
2023
- 2023-02-20 CN CN202310132543.8A patent/CN115781774B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410694A (en) * | 2015-08-05 | 2017-02-15 | 天津信诺特电子有限公司 | Safe and high-efficient cable stripping machine |
| CN106113527A (en) * | 2016-06-20 | 2016-11-16 | 西安交通大学 | A kind of fiber placement equipment synchronizes, to pre-soaking fiber tow, the device that clamping is sheared |
| CN208375432U (en) * | 2018-05-04 | 2019-01-15 | 北京天域科技有限公司 | A kind of belt spreading machine free angle cutter device |
| CN108749036A (en) * | 2018-06-29 | 2018-11-06 | 中国科学院自动化研究所 | Composite material piddler head and its shear knife |
| CN109576828A (en) * | 2018-12-21 | 2019-04-05 | 东华大学 | A kind of external guillotine type fiber beam cutting mechanism and purposes for beam intensity instrument |
| CN216103097U (en) * | 2021-09-23 | 2022-03-22 | 北京大森包装机械有限公司 | Tooth-shaped cutter holder and packaging machine comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115781774B (en) | 2023-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2417954B1 (en) | Tampon | |
| CN115781774A (en) | Film wire cold rolling mill, film wire and preparation method of film assembly | |
| EP0746642B1 (en) | Spinning device | |
| CN115972622A (en) | Preparation method and forming control system of composite material spiral component | |
| CN112297298A (en) | Reinforcing belt production line, belt manufacturing mold and reinforcing belt production process | |
| WO2017193431A1 (en) | Intelligent composite core conductor and preparation method thereof | |
| CN213107902U (en) | Injection mold of two threads of coaxial area hank tooth mechanism | |
| CN210064793U (en) | One-step forming composite pipe for high-speed winding head | |
| CN213950989U (en) | Glass fiber production is with cuting device | |
| CN207874361U (en) | Full-automatic velveteen toy wire-electrode cutting device | |
| CN202390591U (en) | Complete equipment for manufacturing short PTFE (polytetrafluoroethylene) fibers by using needling and comb cutting method | |
| CN217173597U (en) | Auxiliary adhesive tape for manual stranding operation in large-lay-length stranded wire | |
| CN2510200Y (en) | Fixed-length wire-cutting machine | |
| DE1962926B2 (en) | METHOD OF MANUFACTURING A BRUSH | |
| CN208201197U (en) | A kind of rotary filament splitting cutter | |
| CN208788973U (en) | Mold for integral type synthesising fibre pipe | |
| CN107464603B (en) | Net section is 1250 square millimeters of pressure side's aluminum stranded conductors and its manufacturing method | |
| CN212342829U (en) | Waterproof type puncture electricity taking device | |
| CN220903528U (en) | Cleaning tool for cutting unit of forming machine | |
| CN214076676U (en) | Mixing reactor for artificial fiber production | |
| CN111118636B (en) | Preparation method of toy filler | |
| CN210387373U (en) | Cutter for winding machine | |
| JP3269534B2 (en) | Manufacturing method of self-supporting cable | |
| CN214938025U (en) | Cutter head for cutter with difficult cutter breakage | |
| CN218639849U (en) | High-speed opening-free hot cutting machine for woven self-rolling tubes and die thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |