CN217288212U

CN217288212U - Continuous pretreatment device for optical coating material

Info

Publication number: CN217288212U
Application number: CN202123250094.2U
Authority: CN
Inventors: 石志霞; 彭程; 孙静; 段华英; 张恒; 张碧田
Original assignee: GRINM Resources and Environment Technology Co Ltd
Current assignee: GRINM Resources and Environment Technology Co Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-26
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses an optics coating material serialization preprocessing device, this preprocessing device of the device include feeding zone, compounding district, extrusion pressing district. The device realizes the gradual and uniform mixing of the raw materials with different components by arranging the mixer, the extruder and the rotary scraper, thereby greatly improving the efficiency and the effect of material pretreatment; meanwhile, the size of the pole piece can be adjusted and controlled by arranging a plurality of pairs of one-level roll shafts or a plurality of pairs of roll shafts, so that a later-stage forming test is facilitated, a mixing process and a rolling process in the production and preparation process of the optical coating material are combined into one process, and the continuous operation of mixing and rolling is realized.

Description

Continuous pretreatment device for optical coating material

Technical Field

The utility model relates to an optics coating material preparation field especially relates to an optics coating material serialization preprocessing device.

Background

The optical coating material is a general term for materials with certain characteristics of reflection, beam splitting, color separation, light filtering, polarization and the like, and is usually coated on the surface of an optical part to form a compact film layer so as to change the reflection and transmission characteristics of the surface of the optical part. In the production and preparation of the optical coating material, a plurality of raw materials are often required to be mixed, and a small amount of liquid solvent is required to be added to form a raw material mixture into a muddy slurry, so that the raw material mixture is conveniently pressed and formed by a roller press. And crushing, sintering and grading the pressed and molded pole piece to obtain the optical coating material product.

In the production process of the optical coating material, because the raw materials of the optical coating material have large density difference and strong viscosity, the raw materials are difficult to be uniformly mixed by a common mixing method. Meanwhile, the existing production equipment is separated from the mixing device and the tabletting device, so that the production efficiency is very low. In addition, the transfer of material from the mixing device to the tableting device can result in material loss or contamination, which can affect the quality of the final product. Therefore, a continuous pretreatment device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a continuous pretreatment device for optical coating materials, which can solve the problem of the prior art that the raw material density of the optical coating materials is different and the viscosity is strong, and the impurities are introduced to cause material pollution and reduce the quality of the optical coating.

In order to achieve the purpose, the utility model provides a continuous pretreatment device for optical coating materials, which comprises a feeding area, a mixing area and an extrusion pressing area;

the feeding area is cylindrical, one end of the feeding area is a closed end, the other end of the feeding area is connected with the mixing area, and a feeding hole is formed in the cylindrical side wall of the feeding area;

the mixing area consists of a circular table section and a short pipe section, the large diameter end of the circular table section is connected with the feeding area, and the small diameter end of the circular table section is connected with the short pipe section;

the extrusion pressing area is tubular, one end of the extrusion pressing area is connected with the short pipe section of the material mixing area, the other end of the extrusion pressing area is a material outlet end, and the diameter of the extrusion pressing area is the same as that of the short pipe section of the material mixing area;

a valve is arranged at the connecting part of the extrusion pressing area and the short pipe section of the mixing area;

the feeding area, the mixing area and the extrusion tabletting area are coaxial;

a main stirring rod penetrates through the axial center positions of the feeding area and the mixing area, and one end of the main stirring rod penetrates through the closed end of the feeding area and is used for being connected with a motor;

the main stirring rod is provided with a mixer at the part of the material mixing area;

an extruder, a rotary scraper, a blanking controller and a pair of roller shafts are sequentially arranged in the tubular inner part of the extrusion pressing area along the direction from one end connected with the short pipe section of the material mixing area to the discharge end;

the blanking controller is provided with a contraction joint which penetrates through the blanking controller in the radial direction;

the pair of roll shafts is arranged in parallel with the shrinkage joint.

As mentioned above, the mixer is located in the mixing zone close to the feeding zone.

As mentioned above, the mixer is a paddle, and the number of the paddle blades is 2-6.

As mentioned above, the extruder is a screw extruder.

As described above, the pair of roll shafts is one or more sets.

The beneficial effects of the utility model reside in that:

the utility model provides an optics coating material serialization preprocessing device, this preprocessing device merge into a process with mixing process and the roll-in process in the optics coating material production preparation technology, realize the serialization operation of mixing and roll-in, have improved optics coating material's production efficiency greatly, have avoided the material to take place the consume and receive the problem of pollution easily in the transfer process between mixing process and the roll-in process simultaneously. Mixer, squeezer, rotatory scraper all are improving optical coating material's stirring mixing efficiency and effect in the device, can make the adjustable controllability of pole piece size through setting up many to one level to the roller or multistage to the roller, do benefit to the shaping experiment in later stage.

Drawings

Fig. 1 is a perspective view of the continuous pretreatment device for optical coating materials provided by the present invention.

FIG. 2 is an axial cross-sectional view of a feeding hole of a preferred embodiment of the continuous pretreatment device for optical coating materials of the present invention.

Fig. 3 is an axial sectional view perpendicular to fig. 2.

Reference numerals

1: a feed zone; 11: a feed inlet; 2: a mixing area; 21: a circular table section; 22: a short pipe section; 3: extruding the tablet pressing area; 31: an extruder; 32: rotating the scraper; 33: a blanking controller; 34: a roll shaft is aligned; 35: shrinking the seam; 4: a valve; 5: a main stirring rod; 6: a mixer.

Detailed Description

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, so as to make clear and definite definition for the protection scope of the present invention for those skilled in the art.

As shown in fig. 1 to fig. 3, for the continuous pretreatment device for optical coating material provided by the present invention, the pretreatment device comprises a feeding area 1, a mixing area 2, and an extrusion pressing area 3;

the feeding area is cylindrical, one end of the feeding area is a closed end, the other end of the feeding area is connected with the mixing area, and a feeding hole 11 is formed in the cylindrical side wall of the feeding area;

the mixing area consists of a circular table section 21 and a short pipe section 22, the large diameter end of the circular table section 21 is connected with the feeding area 11, and the small diameter end of the circular table section 21 is connected with the short pipe section 22;

the extrusion pressing area 3 is tubular, one end of the extrusion pressing area is connected with the short pipe section 22 of the material mixing area, the other end of the extrusion pressing area is a material outlet end, and the diameter of the extrusion pressing area 3 is the same as that of the short pipe section 22 of the material mixing area 2;

a valve 4 is arranged at the connecting part of the extrusion pressing area 3 and the short pipe section 22 of the mixing area 2; in this embodiment, the valve 4 is a gate valve;

the feeding zone 1, the mixing zone 2 and the extrusion pressing zone 3 are coaxial;

a main stirring rod 5 is arranged at the axial center position of the feeding zone 1 and the mixing zone 2 in a penetrating way, and one end of the main stirring rod 5 penetrates out of the closed end of the feeding zone 1 and is used for being connected with a motor (not shown in the figure);

a mixer 6 is arranged at the position of the main stirring rod 5 in the material mixing area 2; the mixer 6 is located in the mixing zone 2 close to the feeding zone 3. In this embodiment, the mixer 6 is a paddle having 4 blades.

The tubular interior of the extrusion pressing zone 3 is sequentially provided with an extruder 31, a rotary scraper 32, a blanking controller 33 and a pair of roller shafts 34 along the direction from one end connected with the short pipe section 22 of the mixing zone 2 to the discharge end;

in the present embodiment, the extruder 31 is a screw extruder.

The pair of rollers 34 is one or more groups, and the number of the pair of rollers 34 is set according to actual requirements, and is two groups in the embodiment.

The blanking controller 33 is provided with a contraction joint 35 which penetrates through the blanking controller in the radial direction; the blanking controller 33 can be cylindrical or reduced in material to a triangular cross-section facing the pair of rollers 34, as in this embodiment.

The pair of rollers 34 is disposed parallel to the pinch seam 35.

In the embodiment, the diameter of the feeding area of the continuous pretreatment device for the optical coating material is 1 meter, the diameter of the extrusion pressing area is about 0.5 meter, and the total length of the device is about 4 meters.

The operation process of the continuous pretreatment device for the optical coating material comprises the following steps: after the valve 4 is closed, raw materials of the optical coating material enter from the feeding hole 1, the motor drives the main stirring rod 5 to rotate, and the main stirring rod 5 drives the mixer 6 to preliminarily mix and stir the raw materials; after the raw materials tentatively stir the misce bene, open valve 4, the raw materials further stirs the mixture and is the mud form along with the rotatory in-process that advances of squeezer 31, then further stirs through rotatory scraper 32, and rotatory scraper 32 can prevent that raw and other materials from forming the dead angle in the corner region, the uneven condition of mixture appears. The uniformly mixed and kneaded material is extruded into a sheet shape through a contraction joint 35 of the blanking controller 33, and then the sheet shape gradually enters two groups to perform two-stage extrusion on the roll shaft 34 for two times, so as to form the pole piece with the required size. If the pole piece requirement is finer, the number of the pair rollers can be increased so as to facilitate the rolling of more stages.

Can see from above-mentioned embodiment, the utility model provides an optics coating material serialization preprocessing device merges into a process with mixing process and roll-in process, realizes mixing and the serialization of roll-in and mixes the preforming to solve among the prior art because of the difficult misce bene that optics coating material raw materials density difference is big, viscidity is strong brings, and the transfer introduces impurity and causes material pollution, reduces the problem of optics coating film quality.

The foregoing describes exemplary embodiments of the present invention by way of illustration only, and modifications thereof in various different ways will readily occur to those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. A continuous pretreatment device for optical coating materials is characterized by comprising a feeding area, a mixing area and an extrusion and pressing area;

an extruder, a rotary scraper, a blanking controller and a pair of rollers are sequentially arranged in the tubular inner part of the extrusion pressing area along the direction from one end connected with the short pipe section of the material mixing area to the discharge end;

the blanking controller is provided with a shrinkage joint which penetrates through the blanking controller along the diameter direction;

the gap between the two roll shafts of the pair of roll shafts is parallel to the contraction joint.

2. The continuous pretreatment apparatus for optical coating materials according to claim 1, wherein said mixer is located at a position close to said feeding section in said mixing section.

3. The continuous pretreatment apparatus for optical coating materials according to claim 1, wherein the mixer is a paddle having 2 to 6 blades.

4. The continuous pretreatment apparatus for optical coating materials according to claim 1, wherein said extruder is a screw extruder.

5. The continuous pretreatment apparatus for optical coating materials according to claim 1, wherein the pair of rolls has one or more sets.

6. The continuous pretreatment apparatus for optical coating materials according to claim 1, wherein said valve is a gate valve.