CN210845908U - Film coating die and tubular film preparation device - Google Patents
Film coating die and tubular film preparation device Download PDFInfo
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- CN210845908U CN210845908U CN201921017434.7U CN201921017434U CN210845908U CN 210845908 U CN210845908 U CN 210845908U CN 201921017434 U CN201921017434 U CN 201921017434U CN 210845908 U CN210845908 U CN 210845908U
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Abstract
The utility model discloses a film coating mould and a tubular film preparation device, which comprises a first annular template and a second annular template; the second annular template is fixedly connected to the outer side wall of the first annular template, a film casting liquid cavity is formed between the inner side of the second annular template and the outer side of the first annular template, and a feeding hole is formed in the second annular template; the ring channel has been seted up on the inside wall of first annular template, still offer the hole of filming that is used for intercommunication casting film sap cavity and ring channel on the lateral wall of first annular template, the utility model discloses be convenient for at the outside coating casting film liquid all around of non-woven fabrics, improved work efficiency.
Description
Technical Field
The utility model relates to a tubular film preparation facilities technical field specifically is a mould and tubular film preparation facilities film.
Background
The tubular membrane can be divided into a ceramic tubular membrane, a metal tubular membrane and an organic tubular membrane according to materials, the ceramic tubular membrane and the metal tubular membrane are expensive, the processing is relatively difficult, the equipment cost is high, the popularization and the use are not easy, the production process of the organic tubular membrane is relatively simple, the production and the processing are easy, a plurality of membrane varieties can be produced, such as ultrafiltration, microfiltration, nanofiltration and the like, the applicable membrane materials are more, such as PVDF, PSF, PES, PAN and composite membranes thereof, and the like, in addition, the organic tubular membrane is relatively cheap, and therefore, the organic tubular membrane has wider application prospect.
The existing tubular membrane preparation device generally comprises a double-layer rack, a tube coiling mechanism and an ultrasonic welding mechanism, wherein the tube coiling mechanism comprises a motor arranged at the lower layer of the rack and a speed reducer mechanically connected with the motor; the ultrasonic welding mechanism mainly comprises an ultrasonic generator arranged behind the supporting rod on the upper layer of the rack; however, when the casting solution is coated on the outer side of the non-woven fabric in the existing tubular membrane production process, the casting solution is generally directly coated on the outer side of the non-woven fabric due to the absence of a coating mold, and the non-woven fabric forms a tubular structure and generally moves horizontally, so that the casting solution vertically flows along the radial direction of the non-woven fabric tubular structure, and when the casting solution flows to the lower side of the non-woven fabric, the casting solution often falls to a workbench due to the gravity of the casting solution, so that the casting solution cannot be uniformly coated on the lowest side of the non-woven fabric tubular structure, which causes uneven coating and inconvenience to the production of the tubular membrane, and reduces the production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mould and tubular membrane preparation facilities film to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a film coating mold comprises a first annular template and a second annular template;
the second annular template is fixedly connected to the outer side wall of the first annular template, a film casting liquid cavity is formed between the inner side of the second annular template and the outer side of the first annular template, and a feeding hole is formed in the second annular template;
the utility model discloses a film coating machine, including first annular template, film coating liquid chamber, the annular channel has been seted up on the inside wall of first annular template, still set up the hole of filming that is used for communicateing cast film liquid chamber and annular channel on the lateral wall of first annular template, when around establishing the non-woven fabrics on the center pin, be convenient for center pin and non-woven fabrics pass through the recess and get into in the first annular template.
As a further aspect of the present invention: a groove is formed in the inner side wall of the feeding end of the first annular template.
As a further aspect of the present invention: the feed port is communicated with a feed pipe, and the casting film liquid can conveniently enter the film coating die from the feed port through the feed pipe.
A tubular film-forming apparatus comprising the above film-forming mold, and
the central shaft penetrates through the central hole of the first annular template;
and the casting film liquid tank is communicated with the feeding pipe, and the casting film liquid tank realizes the storage of the casting film liquid.
As a further aspect of the present invention: including first drive wheel and secondary drive wheel, first drive wheel and secondary drive wheel are located the both sides of center pin respectively, the transmission is connected with the drive belt between first drive wheel and the secondary drive wheel, the drive belt cross arrangement is in the center pin outside, and the drive belt winding is on the non-woven fabrics of center pin outer wall, and center pin, first drive wheel and secondary drive wheel are all installed in current frame, and current motor and speed reducer work drive first drive wheel work, drive the secondary drive wheel through the drive belt and rotate, because the drive belt is at the non-woven fabrics winding, consequently make the non-woven fabrics form along the forward drive power of center shaft.
As a further aspect of the present invention: communicating pipes are communicated between the membrane casting liquid tank and the feeding pipe, a pump is installed on the communicating pipes, the working principle and the structure of the pump are the prior art, and therefore detailed description is omitted here, and the pump works, so that the membrane casting liquid in the membrane casting liquid tank enters the die through the connecting pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the first annular template is arranged on the outer side of the central shaft, so that the periphery of the outer side of the non-woven fabric is conveniently positioned in the mold when the non-woven fabric is wound on the central shaft, and the periphery of the outer side of the non-woven fabric is conveniently coated with the film casting solution; the film casting liquid cavity is formed between the first annular template and the second annular template, so that the film casting liquid cavity can store the film casting liquid and can flow to the inner side of the first annular template conveniently through the film coating holes; the film coating die and the tubular film preparation device are convenient for coating the film casting liquid on the outer sides of the periphery of the non-woven fabric, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic front view of the inner structure of a coating die;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of a tubular film production apparatus;
in the figure: 1-a first annular template, 2-a second annular template, 3-an annular groove, 4-a film casting liquid cavity, 5-a film coating hole, 6-a feeding hole, 7-a feeding pipe, 8-a central shaft, 9-a film casting liquid tank, 10-a first driving wheel, 11-a second driving wheel, 12-a driving belt, 13-a communicating pipe, 14-a pump, 15-a groove, 16-non-woven fabric and 17-a tubular film.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in an embodiment of the present invention, a film coating mold includes a first annular mold plate 1 and a second annular mold plate 2;
the second annular template 2 is fixedly connected to the outer side wall of the first annular template 1, a casting film liquid cavity 4 is formed between the inner side of the second annular template 2 and the outer side of the first annular template 1, and a feeding hole 6 is formed in the second annular template 2;
an annular groove 3 is formed in the inner side wall of the first annular template 1, and a film coating hole 5 for communicating the film casting liquid cavity 4 with the annular groove 3 is further formed in the side wall of the first annular template 1.
The inner side wall of the feeding end of the first annular template 1 is provided with a groove 15, and when the central shaft 8 is wound with the non-woven fabric 16, the central shaft 8 and the non-woven fabric 16 can conveniently enter the first annular template 1 through the groove 15.
The feeding hole 6 is communicated with a feeding pipe 7, and the casting solution can conveniently enter the coating die from the feeding hole 6 through the feeding pipe 7.
The film coating die is fixedly arranged on the existing frame.
The embodiment also comprises a tubular film preparation device which comprises the film coating die, and
the central shaft 8 penetrates through the central hole of the first annular template 1, the central shaft 8 is fixed through an additional existing clamp, and the non-woven fabric 16 is wound on the outer wall of the central shaft 8;
and the casting film liquid tank 9 is communicated with the feeding pipe 7, and the casting film liquid tank 9 realizes the storage of the casting film liquid.
Including first drive wheel 10 and second drive wheel 11, first drive wheel 10 and second drive wheel 11 are located the both sides of center pin 8 respectively, the transmission is connected with drive belt 12 between first drive wheel 10 and the second drive wheel 11, drive belt 12 cross arrangement is in the outside of center pin 8, drive belt 12 twines on the non-woven fabrics 16 of 8 outer walls of center pin, center pin 8, first drive wheel 10 and second drive wheel 11 are all installed in current frame through prior art, current motor and speed reducer work drive first drive wheel 10 work, drive second drive wheel 11 through drive belt 12 and rotate, because drive belt 12 twines at non-woven fabrics 16, consequently make non-woven fabrics 16 form along the forward drive power of center pin 8.
A communicating pipe 13 is communicated between the casting film liquid tank 9 and the feeding pipe 7, a pump 14 is installed on the communicating pipe 13, the working principle and the structure of the pump 14 are the prior art, so that detailed description is omitted, and the pump 14 works, so that the casting film liquid in the casting film liquid tank 9 enters the die through the connecting pipe 13.
When the utility model is used, the existing motor and speed reducer work drives the first driving wheel 10 to work, the second driving wheel 11 is driven to rotate through the driving belt 12, because the driving belt 12 is wound on the non-woven fabric 16 on the outer wall of the central shaft 8, and the central shaft 8 is arranged on the frame, therefore, the non-woven fabric 16 forms the driving force forward along the central shaft 8 in the rotating process of the driving belt 12, the non-woven fabric 16 is uniformly wound on the central shaft 8 along with the rotation of the driving belt 12, the ultrasonic welding is carried out by aligning the welding head of the existing ultrasonic generator to the lapping edge and the overlapping part of the non-woven fabric 16, a non-woven fabric tubular object is formed, when the non-woven fabric 16 moves into the mould along with the rotation of the driving belt 12, the pump 14 works at the moment, the casting solution in the casting solution tank 9 enters the casting solution cavity 4 through the connecting, so that the casting solution is coated on the outer side of the non-woven fabric 16 to form the tubular membrane 17.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (6)
1. A film coating die, characterized in that: comprises a first annular template (1) and a second annular template (2);
the second annular template (2) is fixedly connected to the outer side wall of the first annular template (1), a casting film liquid cavity (4) is formed between the inner side of the second annular template (2) and the outer side of the first annular template (1), and a feeding hole (6) is formed in the second annular template (2);
the inner side wall of the first annular template (1) is provided with an annular groove (3), and the side wall of the first annular template (1) is further provided with a film coating hole (5) for communicating the film casting liquid cavity (4) with the annular groove (3).
2. A coating die according to claim 1, characterized in that the inner side wall of the feed end of the first annular die plate (1) is provided with a groove (15).
3. A coating die according to claim 1, wherein the inlet opening (6) is connected to an inlet pipe (7).
4. A tubular membrane preparation device is characterized in that: comprises that
A coated mold as claimed in any one of claims 1 to 3, and
the central shaft (8), the central shaft (8) penetrates through the central hole of the first annular template (1);
and the casting film liquid tank (9), wherein the casting film liquid tank (9) is communicated with the feeding pipe (7).
5. A tubular film preparation device according to claim 4, characterized by comprising a first driving wheel (10) and a second driving wheel (11), wherein the first driving wheel (10) and the second driving wheel (11) are respectively arranged at two sides of the central shaft (8), a driving belt (12) is connected between the first driving wheel (10) and the second driving wheel (11), and the driving belt (12) is arranged at the outer side of the central shaft (8) in a crossed manner.
6. A tubular membrane preparation device according to claim 4, wherein a communicating pipe (13) is communicated between the membrane casting solution tank (9) and the feeding pipe (7), and a pump (14) is installed on the communicating pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921017434.7U CN210845908U (en) | 2019-07-02 | 2019-07-02 | Film coating die and tubular film preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921017434.7U CN210845908U (en) | 2019-07-02 | 2019-07-02 | Film coating die and tubular film preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210845908U true CN210845908U (en) | 2020-06-26 |
Family
ID=71307685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921017434.7U Active CN210845908U (en) | 2019-07-02 | 2019-07-02 | Film coating die and tubular film preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210845908U (en) |
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2019
- 2019-07-02 CN CN201921017434.7U patent/CN210845908U/en active Active
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