CN213166436U

CN213166436U - Casting machine drying device is used in polyimide film production

Info

Publication number: CN213166436U
Application number: CN202021706694.8U
Authority: CN
Inventors: 张玉谦; 滕国荣
Original assignee: Tianjin Jianuoyuan Electronic Technology Co ltd
Current assignee: Tianjin Jianuoyuan Electronic Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-05-11
Anticipated expiration: 2030-08-14

Abstract

The utility model provides a casting machine drying device is used in production of polyimide film, including cloth wind subassembly and fan, the air outlet of fan is linked together through air duct and cloth wind subassembly be equipped with heating element on the air duct. The air distribution assembly comprises a turbulence part and a distribution part, the turbulence part is arranged above the distribution part, a turbulence cavity is arranged in the turbulence part, and the turbulence cavity is communicated with the air guide pipe; a distribution cavity is arranged in the distribution part and is communicated with the turbulent flow cavity, a first air outlet hole and a second air outlet hole are arranged on the bottom surface of the distribution part, and the first air outlet hole and the second air outlet hole are distributed in a mirror image mode by taking the turbulent flow part as a symmetrical center; the vortex cavity is internally provided with an installation shaft which is provided with a vortex impeller. Film rubber coating drying device for curtain coating machine, can promote the even degree of distribution of hot-blast on the film, improve the rubber-coated stoving effect of film.

Description

Casting machine drying device is used in polyimide film production

Technical Field

The utility model belongs to film processing equipment field especially relates to a casting machine drying device is used in polyimide film production.

Background

The casting machine is a special equipment for manufacturing casting film, when in operation, the casting machine can make the mixed slurry flow down along the hopper, and the slurry is scraped and coated on a special base belt by a scraper with a certain thickness, and then the required film can be formed through the working procedures of drying, curing and the like.

For making things convenient for finished product film to bond with other products, can scribble polyamic acid resin viscose before the drying process among the prior art on the casting machine steel band, scribble when the resin viscose and finish the back, the inside drying device of casting machine can carry out drying solidification to the resin viscose through hot-blast. However, the conventional drying device has the defects that the internal air flow rate is high and the arrangement of the air outlet is unreasonable, so that the hot air distribution effect is poor, and the surface of the film cannot be uniformly dried and cured. This problem can lead to resin adhesive residue on the film surface, thereby degrading the quality of the finished film.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a production of polyimide film is with casting machine drying device to realize promoting the purpose of the even degree of hot-blast distribution.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a casting machine drying device for polyimide film production comprises an air distribution assembly and a fan, wherein an air outlet of the fan is communicated with the air distribution assembly through an air guide pipe, and a heating assembly is arranged on the air guide pipe;

the air distribution assembly comprises a turbulence part and a distribution part, the turbulence part is arranged above the distribution part, a turbulence cavity is arranged in the turbulence part, and the turbulence cavity is communicated with the air guide pipe; a distribution cavity is arranged in the distribution part and is communicated with the turbulent flow cavity, a first air outlet hole and a second air outlet hole are arranged on the bottom surface of the distribution part, and the first air outlet hole and the second air outlet hole are distributed in a mirror image mode by taking the turbulent flow part as a symmetrical center; the utility model discloses a vortex cavity, including vortex cavity, vortex impeller, vortex cavity, the installation axle is inside to be equipped with the installation axle be equipped with the vortex impeller on the installation axle, after hot-blast entering vortex cavity, the vortex impeller will rotate along with hot-blast flow.

Furthermore, the drying device also comprises a flow guide assembly, wherein the flow guide assembly is detachably arranged on the bottom surface of the distribution part and comprises a first flow guide block and a second flow guide block; the first flow guide block is arranged below the first air outlet, and the second flow guide block is arranged below the second air outlet; a plurality of first air outlet notches are formed in the side wall, facing the second flow guide block, of the first flow guide block, and the first air outlet notches are communicated with the first air outlet holes; and a plurality of second air outlet notches are formed in the side wall, facing the first flow guide block, of the second flow guide block and communicated with the second air outlet holes.

Furthermore, the second air outlet notches and the first air outlet notches are arranged in a staggered mode.

Furthermore, a horn-shaped air channel with a downward opening is formed between the side wall of the first air outlet notch of the first flow guide block and the side wall of the second air outlet notch of the second flow guide block.

Furthermore, be equipped with the holding tank on the top surface of water conservancy diversion subassembly the inside sealing strip that is equipped with of holding tank, it is corresponding be equipped with the seal groove that is used for holding the sealing strip on the bottom surface of distributor portion.

Further, the inside subassembly that dams that is equipped with of vortex cavity, the subassembly setting that dams is in the below of installation axle.

Further, the shutoff assembly includes a first shutoff plate and a second shutoff plate, the first shutoff plate being disposed above the second shutoff plate; the first cut-off plate is provided with a plurality of first flow guide holes, the second cut-off plate is provided with a plurality of second flow guide holes, and the second flow guide holes and the first flow guide holes are arranged in a staggered mode.

Further, the number of the second flow guide holes is smaller than that of the first flow guide holes.

Further, the installation axle is a plurality of, and is a plurality of the installation axle is evenly arranged along the length direction of vortex portion.

Compared with the prior art, a production of polyimide film is with casting machine drying device have following advantage:

(1) a casting machine drying device is used in polyimide film production, can reduce hot-blast flow speed through the turbulent flow at the inside indiscriminate stream of making of vortex cavity through the rotation of vortex impeller, and promote the even degree of distribution behind the hot-blast entering distribution cavity. Compared with the prior art, the hot-blast effect that can be even of this device production is on the film surface of treating the stoving to promote the dry curing effect after the film rubber coating.

(2) A casting machine drying device is used in polyimide film production, at the inside subassembly that dams that is equipped with of vortex cavity, can further reduce the speed that hot-blast entering distributes the cavity through the subassembly that dams, and promote hot-blast even degree.

(3) A production of polyimide film is with casting machine drying device, be equipped with the guiding subassembly bottom the distribution portion, can guide the hot-blast direction that two exhaust vents were derived through the guiding subassembly to make the hot-blast emergence of two parts cross. The hot-blast even degree of this device can be promoted through the process that intersects to further promote the dry solidification effect after the film rubber coating.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a drying device according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a drying device according to an embodiment of the present invention;

fig. 3 is a sectional view of a drying device according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the drying apparatus according to the embodiment of the present invention at another angle;

fig. 5 is a schematic bottom structure view of the distributing part according to the embodiment of the present invention;

fig. 6 is a schematic structural view of the first flow guiding block according to the embodiment of the present invention.

Description of reference numerals:

1-a flow disturbing part; 11-a turbulent flow cavity; 12-mounting the shaft; 13-a spoiler impeller; 2-a distribution section; 21-a dispensing cavity; 22-a first outlet aperture; 23-a second air outlet; 24-a seal groove; 31-an airway tube; 32-a heating assembly; 33-a fan; 41-a first flow guide block; 411-first air outlet cut; 412-a receiving tank; 42-a second flow guide block; 421-a second air outlet notch; 5-sealing strips; 6-a shut-off assembly; 61-a first cutoff plate; 611-first flow guide holes; 62-a second closure plate; 621-second diversion hole.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides a production of polyimide film is with calender drying device, includes cloth wind subassembly and fan 33, as shown in figure 1 and figure 2, the air outlet of fan 33 is linked together through air duct 31 and cloth wind subassembly be equipped with heating element 32 on the air duct 31. When the drying device works, the fan 33 can guide air in the external environment into the heating assembly 32, the air can be changed into hot air through the heating assembly, and the hot air is guided to the surface of the film to be dried by the air distribution assembly.

In prior art, the wind distribution subassembly selects for use traditional tubaeform tuyere usually, but, because the air flow rate that fan 33 produced is very fast, and the even degree of distribution of air can not be improved to the air outlet of tubaeform tuyere, consequently can lead to hot-blast unable even carrying out dry solidification to the film surface.

In this embodiment, the air distribution assembly can make hot air uniformly distributed on the surface of the film. Specifically, as shown in fig. 3 and 4, the wind distribution assembly includes a spoiler 1 and a distributor 2. The utility model discloses a vortex portion 1, including vortex portion 2, vortex portion 1 sets up in the top of distribution portion 2, is equipped with vortex cavity 11 in vortex portion 1 inside, vortex cavity 11 is linked together with air duct 31, is equipped with distribution cavity 21 in distribution portion 2's inside, distribution cavity 21 is linked together with vortex cavity 11.

The utility model discloses a vortex cavity 11, including vortex cavity 11, vortex impeller 13, vortex cavity 11 is inside to be equipped with installation axle 12, is equipped with vortex impeller 13 on installation axle 12, and after hot-blast entering vortex cavity 11, vortex impeller 13 will rotate along with hot-blast flow. The rotation of the turbulent impeller 13 can reduce the flowing speed of the hot air in the turbulent cavity 11, and simultaneously, the flowing direction of the hot air is disturbed, so that the hot air uniformly enters the distribution cavity 21.

Optionally, for promoting the inside chaotic degree of air current of vortex cavity 11, installation axle 12 is a plurality of, and is a plurality of installation axle 12 evenly arranges along the length direction of vortex portion 1. When hot air flows in the spoiler cavity, the spoiler blades 13 on the plurality of mounting shafts 12 rotate in the same or different directions, so that a turbulent flow is formed in the spoiler cavity 11.

As shown in fig. 5, a first air outlet hole 22 and a second air outlet hole 23 are provided on the bottom surface of the distribution portion 2, and the first air outlet hole 22 and the second air outlet hole 23 are distributed in a mirror image manner with the spoiler portion 1 as a center of symmetry. After the hot air enters the distribution cavity 21 from the turbulent flow cavity 11, because the two air outlets 23 are distributed in a mirror image manner, the hot air in the distribution cavity 21 flows out uniformly along the two air outlets and is finally blown to the film to be dried below.

In addition, in order to further reduce the flow velocity when hot air enters the distribution cavity 21 from the spoiler cavity 11, the present embodiment is configured with the cut-off assembly 6 inside the spoiler cavity 11, and the cut-off assembly 6 is disposed below the mounting shaft 12.

Specifically, the shutoff assembly 6 includes a first shutoff plate 61 and a second shutoff plate 62, and the first shutoff plate 61 is disposed above the second shutoff plate 62. A plurality of first diversion holes 611 are formed on the first cut-off plate 61, a plurality of second diversion holes 621 are formed on the second cut-off plate 62, and the second diversion holes 621 and the first diversion holes 611 are arranged in a staggered manner. In operation, hot air inside the spoiler cavity 11 passes through the first cutoff plate 61 along the first guide holes 611, is then blocked by the second cutoff plate 62, and finally flows toward the inside of the distribution cavity 21 along the second guide holes 621.

Optionally, in order to improve the deceleration effect of the cut-off assembly 6 on the hot air, the number of the second flow guiding holes 621 should be smaller than the number of the first flow guiding holes 611.

As shown in fig. 2, in this embodiment, in order to guide the flow direction of the hot air guided out from the air outlet, the drying device further includes a flow guide assembly. Specifically, the flow guide assembly is detachably disposed on the bottom surface of the distribution portion 2 through a connection screw, and the flow guide assembly includes a first flow guide block 41 and a second flow guide block 42. The first guide block 41 is arranged below the first air outlet 22, and the second guide block 42 is arranged below the second air outlet 23. A plurality of first air outlet notches 411 are formed in the side wall, facing the second guide block 42, of the first guide block 41, and the first air outlet notches 411 are communicated with the first air outlet hole 22. A plurality of second air outlet notches 421 are formed in the side wall of the second guide block 42 facing the first guide block 41, and the second air outlet notches 421 are communicated with the second air outlet holes 23.

Optionally, a trumpet-shaped air channel with a downward opening is formed between the side wall of the first guide block 41 provided with the first air outlet notch 411 and the side wall of the second guide block 42 provided with the second air outlet notch 421.

After the hot air leaves the distribution part 2 along the first air outlet hole 22 and the second air outlet hole 23, the first air outlet notch 411 and the second air outlet notch 421 guide the flow direction of the hot air, so that the hot air is guided into the air channel between the two flow guide blocks. At this moment, the hot-blast of deriving along two air-out incisions will intersect inside the air duct, can further promote hot-blast even degree that distributes through the process of intersecting to make hot-blast along the air duct downstream, finally contact with the below film of waiting to dry.

Optionally, in order to improve the intersection effect of the two portions of hot air inside the air channel, the second air outlet cuts 421 should be arranged in a staggered manner with the first air outlet cuts 411.

In addition, in order to avoid hot air from leaking along the splicing part between the diversion assembly and the distribution part 2, the sealing strip 5 is arranged at the splicing part in the embodiment. Specifically, as shown in fig. 6, a receiving groove 412 is formed on the top surface of the flow guide assembly, and the bottom of the sealing strip 5 is inserted into the receiving groove 412. Accordingly, as shown in fig. 5, a sealing groove 24 is provided on the bottom surface of the distributing part 2, and the top of the weather strip 5 is inserted into the sealing groove 24 when the weather strip is mounted.

The following explains the effects of the above-described scheme:

this embodiment provides a casting machine drying device is used in polyimide film production, can make the turbulent flow in the vortex cavity through the rotation of vortex impeller to can reduce hot-blast flow velocity, and promote the even degree of distribution behind the hot-blast entering distribution cavity. Secondly, this device is equipped with the subassembly that dams in the vortex cavity inside, can further reduce the speed that hot-blast entering distributes the cavity through the subassembly that dams. In addition, this device is equipped with the water conservancy diversion subassembly in distribution portion bottom, can guide the hot-blast direction that two exhaust vents were derived through the water conservancy diversion subassembly to make two parts hot-blast emergence intersection. The hot-blast even degree of this device can be promoted through the process that intersects to further promote the dry solidification effect after the film rubber coating.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a production of polyimide film is with casting machine drying device, includes cloth wind subassembly and fan (33), the air outlet of fan (33) is linked together through air duct (31) and cloth wind subassembly be equipped with heating element (32), its characterized in that on air duct (31):

the air distribution assembly comprises a turbulence part (1) and a distribution part (2), the turbulence part (1) is arranged above the distribution part (2), a turbulence cavity (11) is arranged in the turbulence part (1), and the turbulence cavity (11) is communicated with the air guide pipe (31); a distribution cavity (21) is arranged in the distribution part (2), the distribution cavity (21) is communicated with the turbulent flow cavity (11), a first air outlet hole (22) and a second air outlet hole (23) are arranged on the bottom surface of the distribution part (2), and the first air outlet hole (22) and the second air outlet hole (23) are distributed in a mirror image mode by taking the turbulent flow part (1) as a symmetric center; the utility model discloses a vortex cavity (11) is equipped with vortex cavity (11) inside installation axle (12) be equipped with vortex impeller (13) on installation axle (12), after hot-blast entering vortex cavity (11), vortex impeller (13) will rotate along with hot-blast flow.

2. The casting machine drying device for producing the polyimide film according to claim 1, wherein the casting machine drying device comprises: the drying device also comprises a flow guide assembly, wherein the flow guide assembly is detachably arranged on the bottom surface of the distribution part (2) and comprises a first flow guide block (41) and a second flow guide block (42); the first flow guide block (41) is arranged below the first air outlet hole (22), and the second flow guide block (42) is arranged below the second air outlet hole (23); a plurality of first air outlet notches (411) are formed in the side wall, facing the second flow guide block (42), of the first flow guide block (41), and the first air outlet notches (411) are communicated with the first air outlet hole (22); the side wall of the second flow guide block (42) facing the first flow guide block (41) is provided with a plurality of second air outlet notches (421), and the second air outlet notches (421) are communicated with the second air outlet holes (23).

3. The casting machine drying device for producing the polyimide film according to claim 2, characterized in that: the second air outlet cuts (421) and the first air outlet cuts (411) are arranged in a staggered mode.

4. The casting machine drying device for producing the polyimide film according to claim 2, characterized in that: and a horn-shaped air channel with a downward opening is formed between the side wall of the first guide block (41) provided with the first air outlet notch (411) and the side wall of the second guide block (42) provided with the second air outlet notch (421).

5. The casting machine drying device for producing the polyimide film according to claim 2, characterized in that: be equipped with holding tank (412) on the top surface of water conservancy diversion subassembly holding tank (412) inside is equipped with sealing strip (5), correspondingly be equipped with on the bottom surface of distributor (2) and be used for holding seal groove (24) of sealing strip (5).

6. The casting machine drying device for producing the polyimide film according to claim 1, wherein the casting machine drying device comprises: the utility model discloses a vortex flow cavity (11) is equipped with in inside and dams subassembly (6), subassembly (6) that dams set up the below at installation axle (12).

7. The casting machine drying device for producing the polyimide film according to claim 6, wherein the casting machine drying device comprises: the intercepting assembly (6) comprises a first intercepting plate (61) and a second intercepting plate (62), wherein the first intercepting plate (61) is arranged above the second intercepting plate (62); the first cut-off plate (61) is provided with a plurality of first guide holes (611), the second cut-off plate (62) is provided with a plurality of second guide holes (621), and the second guide holes (621) and the first guide holes (611) are arranged in a staggered mode.

8. The casting machine drying device for producing the polyimide film according to claim 7, wherein the casting machine drying device comprises: the number of the second flow guide holes (621) is less than that of the first flow guide holes (611).

9. The casting machine drying device for producing the polyimide film according to claim 1, wherein the casting machine drying device comprises: the installation axle (12) is a plurality of, and is a plurality of installation axle (12) are evenly arranged along the length direction of vortex portion (1).