Quantum dot membrane stock solution stirring device capable of preventing precipitation

By introducing a combination of tilting stirring rod, crossbar, moving plate and scraper into the stirring device, the problem of sedimentation of quantum dot membrane stock solution during stirring is solved, and the uniform dispersion of particles and the mixing effect are improved.

CN223846794UActive Publication Date: 2026-01-30YANGZHOU JOULE NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520044821.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2026-01-30
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

In existing technologies, quantum dot membrane stock solutions are prone to particle movement in a specific direction and accumulation in local areas due to inertia during stirring, resulting in precipitation and affecting the uniformity of mixing.

Method used

A stirring device was designed, comprising a mixing tank, a motor, a rotating rod, a stirring rod, and control components to prevent sedimentation of the raw liquid. By setting up a combination of tilting stirring rod, crossbar, moving plate, spring, and scraper, the device achieves multi-directional mixing and disturbance of the raw liquid, thereby preventing particle deposition.

Benefits of technology

It effectively prevents the formation of sediment in the quantum dot membrane stock solution during stirring, ensuring uniform particle dispersion and improving the mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of quantum dot membranes, and discloses an anti-precipitation quantum dot membrane stock solution stirring device which comprises a stirring tank, the stirring tank is fixedly installed on the surface of a supporting table, a motor is fixedly installed at the top of the stirring tank, and an output shaft of the motor is fixedly connected with the surface of a rotating rod. According to the anti-precipitation quantum dot membrane stock solution stirring device, through the arrangement of the control assembly, when a motor drives a stirring rod to rotate through a rotating rod, a circular plate fixed to the surface of the rotating rod can synchronously perform circular motion in a fixed block, and when the circular plate rotates, a convex block fixed to the surface of the circular plate abuts against the tangent plane of a transverse rod; when the transverse rod moves, the movable plate fixed on the surface of the transverse rod can transversely move in the stirring tank, and the transversely moving movable plate can drive a stock solution at the bottom to flow and damage a possibly formed precipitation layer, so that particles are prevented from depositing at the bottom for a long time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to quantum dot film technical field, concretely is a kind of quantum dot film stock solution stirring device of prevent precipitation. BACKGROUND

[0002] Quantum dot film stock solution is important material for preparing quantum dot film.The core component of quantum dot film stock solution is quantum dot.Quantum dot is a kind of nanometer semiconductor material, with unique optical properties.They can emit bright, pure light under specific excitation, and the color of light emission can be controlled by adjusting the size and composition of quantum dots.

[0003] Common quantum dot materials include cadmium selenide, indium phosphide, etc.These quantum dots are usually wrapped in a shell layer material to improve their stability and light-emitting efficiency, since quantum dot film stock solution usually contains nanoscale quantum dot particles.Due to the small size and high specific surface area of particles, they are prone to settle under gravity, so they need to be stirred, which can keep particles in a suspended state and maintain the uniform dispersibility of stock solution.

[0004] According to a kind of deacidification stock solution stirring device (announcement number: CN220758748U), the above application is only single in the mixing of stock solution by stirring rod, and single stirring can make quantum dot particles and other components in stock solution susceptible to inertial effects, gradually move to a specific direction and possibly accumulate in local area, to solve this problem, we propose a kind of quantum dot film stock solution stirring device that can prevent precipitation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of quantum dot film stock solution stirring device that can prevent precipitation to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of quantum dot film stock solution stirring device that can prevent precipitation, including stirring tank, the stirring tank is fixedly installed on the surface of support table, the top of the stirring tank is fixedly installed with motor, the output shaft of the motor is fixedly connected with the surface of rotating rod, the rotating rod penetrates stirring tank and is rotatably connected with stirring tank, the surface of the rotating rod is fixedly installed with stirring rod, the stirring tank is provided with the control assembly that prevents stock solution from depositing, the control assembly includes: cross bar, the cross bar penetrates fixed block and is slidably connected with fixed block, the surface of the cross bar is fixedly installed with moving plate, the surface of the fixed block is rotatably connected with the surface of rotating rod, prevent particles from depositing at bottom, then the mixing effect of quantum dot film stock solution will be better.

[0007] Preferably, the stirring rod is inclined, and the inclined stirring rod can facilitate mixing of the stock solution.

[0008] Preferably, the cross-section shape of the cross bar is parallelogram, and the cross bar can move horizontally when being pressed.

[0009] Preferably, the control assembly further comprises a rotating member, wherein one end of a spring is fixedly installed on the surface of the cross bar, the other end of the spring is fixedly installed on the inner wall of a fixed block, the fixed block is fixedly installed on the inner wall of a fixed frame, and the fixed frame is fixedly installed on the inner wall of the stirring tank; and when the cross bar is no longer pressed, the cross bar can be bounced up under the support of the spring.

[0010] Preferably, the surface of the rotating rod is fixedly installed with a circular plate, the circular plate is rotationally connected with the inner wall of the fixed block, and the surface of the circular plate is fixedly installed with a convex block; when the rotating rod rotates, the circular plate and the convex block can move in a circular motion in the fixed block.

[0011] Preferably, the surface of the circular plate is fixedly connected with the top of a circular rod, the bottom of the circular rod is fixedly installed with a disc, and the surface of the disc is fixedly installed with a scraping rod; when the circular plate rotates, the circular rod can drive the disc and the scraping rod to move in a circular motion synchronously.

[0012] Preferably, the scraping rod is attached to the inner wall of the stirring tank, and the cross-section shape of the scraping rod is triangular; when the scraping rod rotates, the triangular scraping rod can scrape the precipitate adhered to the bottom of the stirring tank.

[0013] Compared with the prior art, the quantum dot film stock solution stirring device capable of preventing precipitation has the following beneficial effects:

[0014] 1. The quantum dot film stock solution stirring device capable of preventing precipitation, by means of the control assembly, when the motor drives the stirring rod to rotate through the rotating rod, the circular plate fixed on the surface of the rotating rod can move in a circular motion in the fixed block; when the circular plate rotates, the convex block fixed on the surface of the circular plate will press against the cross-section of the cross bar, and the cross bar can move in a circular motion in the fixed block under the support of the spring; when the cross bar moves, the moving plate fixed on the surface of the cross bar can move horizontally in the stirring tank, the moving plate moving horizontally can drive the stock solution at the bottom to flow, thereby destroying the precipitate layer that may have been formed and preventing the particles from being deposited at the bottom for a long time.

[0015] 2. The quantum dot film stock solution stirring device capable of preventing precipitation, by means of the scraping rod, when the circular plate rotates, the circular rod fixed on the surface of the circular plate can drive the disc to move in a circular motion in the stirring tank; when the disc and the scraping rod rotate synchronously, the scraping rod can continuously disturb the stock solution at the bottom, thereby preventing the particles from being deposited at the bottom. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0018] Figure 3 It is a fixed frame structure schematic view of the utility model;

[0019] Figure 4 It is a fixed frame sectional structure schematic view of the utility model.

[0020] In the drawing: 1, support table;2, stirring tank;3, motor;4, rotating rod;5, stirring rod;6, control assembly;61, cross bar;62, fixed block;63, moving plate;64, rotating part;641, spring;642, fixed frame;643, round plate;644, protruding block;645, round rod;646, disc;647, scraper rod. DETAILED DESCRIPTION

[0021] As Figures 1-4 shown, the utility model provides a kind of technical scheme: a kind of quantum dot film stock solution stirring device of preventing precipitation, including stirring tank 2, stirring tank 2 is fixedly installed on the surface of support table 1, the top of stirring tank 2 is fixedly installed with motor 3, the output shaft of motor 3 is fixedly connected with the surface of rotating rod 4, rotating rod 4 penetrates stirring tank 2 and is rotatably connected with stirring tank 2, the surface of rotating rod 4 is fixedly installed with stirring rod 5, stirring tank 2 is provided with the control assembly 6 for preventing stock solution precipitation, and control assembly 6 includes: cross bar 61, cross bar 61 penetrates fixed block 62 and is slidably connected with fixed block 62, the surface of cross bar 61 is fixedly installed with moving plate 63, the surface of fixed block 62 is rotatably connected with the surface of rotating rod 4, the round rod 645 fixed on the surface of round plate 643 can drive disc 646 to carry out circumferential motion in stirring tank 2, when disc 646 and scraper rod 647 rotate synchronously, scraper rod 647 can continuously disturb bottom stock solution, prevent particle deposition in bottom, then the mixing effect of quantum dot film stock solution will be better.

[0022] The stirring rod 5 is inclined, and the inclined stirring rod 5 can facilitate mixing of the raw solution. The cross section of the horizontal rod 61 is in the shape of a parallelogram, and the horizontal rod 61 can move horizontally when being pressed. The control assembly 6 further comprises a rotating piece 64, which comprises a spring 641, one end of the spring 641 being fixedly installed on the surface of the horizontal rod 61, the other end of the spring 641 being fixedly installed on the inner wall of a fixed block 62, the fixed block 62 being fixedly installed on the inner wall of a fixed frame 642, the fixed frame 642 being fixedly installed on the inner wall of the stirring tank 2, and the horizontal rod 61 being able to spring up under the support of the spring 641 when no longer being pressed. The surface of the rotating rod 4 is fixedly installed with a circular plate 643, the circular plate 643 being rotatably connected with the inner wall of the fixed block 62, the surface of the circular plate 643 being fixedly installed with a protruding block 644, and the rotating rod 4 being able to move in a circular manner in the fixed block 62 when rotating. The surface of the circular plate 643 is fixedly connected with the top of a circular rod 645, the bottom of the circular rod 645 is fixedly installed with a disc 646, the surface of the disc 646 is fixedly installed with a scraping rod 647, and the circular rod 645 can drive the disc 646 and the scraping rod 647 to move in a circular manner synchronously when the circular plate 643 rotates. The scraping rod 647 is attached to the inner wall of the stirring tank 2, the cross section of the scraping rod 647 is in the shape of a triangle, and the triangular scraping rod 647 can scrape the precipitate adhered to the bottom of the stirring tank 2 when rotating.

[0023] In the utility model, when using, the quantum dot film raw solution is poured from the liquid inlet at the top of the stirring tank 2, after pouring, the motor 3 at the top of the stirring tank 2 is started, the output shaft of the motor 3 drives the rotating rod 4 and the stirring rod 5 to rotate in the stirring tank 2, and the quantum dot film raw solution is mixed sufficiently, when the rotating rod 4 rotates, the circular plate 643 fixed on the surface of the rotating rod 4 moves in a circular manner in the fixed block 62, when the circular plate 643 rotates, the protruding block 644 fixed on the surface of the circular plate 643 presses the cross section of the horizontal rod 61, the horizontal rod 61 slides in the fixed block 62 under the support of the spring 641, because the protruding block 644 is local, the horizontal rod 61 drives the moving plate 63 to move horizontally in the fixed block 62, the moving plate 63 that swings moves horizontally in the stirring tank 2, the moving plate 63 that moves horizontally drives the raw solution at the bottom to flow, and the formed precipitate layer is broken, and the particles are prevented from depositing on the bottom for a long time, when the circular plate 643 rotates, the circular rod 645 fixed on the surface of the circular plate 643 drives the disc 646 to move in a circular manner in the stirring tank 2, when the disc 646 and the scraping rod 647 rotate synchronously, the scraping rod 647 can continuously disturb the raw solution at the bottom, and the particles are prevented from depositing on the bottom, and the mixing effect of the quantum dot film raw solution is better.

[0024] The utility model has made the detailed description to the utility model generally above, but can make some modification or improvement to it on the basis of the utility model, this is obvious to the general skilled person in the technical field. Therefore, the modification or improvement without departing from the utility model thought spirit, all are within the protection scope of the utility model.

Claims

1. A kind of quantum dot film stock solution stirring device that can prevent precipitation, including stirring tank (2), it is characterized in that: The stirring tank (2) is fixedly installed on the surface of the support table (1), the top of the stirring tank (2) is fixedly installed with the motor (3), the output shaft of the motor (3) is fixedly connected with the surface of the rotating rod (4), the rotating rod (4) penetrates through the stirring tank (2) and is rotationally connected with the stirring tank (2), the surface of the rotating rod (4) is fixedly installed with the stirring rod (5), the stirring tank (2) is provided with the control assembly (6) for preventing the original liquid from depositing, the control assembly (6) comprises: the cross rod (61), the cross rod (61) penetrates through the fixed block (62) and is slidably connected with the fixed block (62), the surface of the cross rod (61) is fixedly installed with the moving plate (63), and the surface of the fixed block (62) is rotationally connected with the surface of the rotating rod (4).

2. The quantum dot film stock solution stirring device according to claim 1, wherein: The stirring rod (5) is inclined.

3. The quantum dot film stock solution stirring device according to claim 1, wherein: The cross section shape of the cross rod (61) is a parallelogram.

4. The quantum dot film stock solution stirring device according to claim 1, wherein: The control assembly (6) further comprises the rotating piece (64), the rotating piece (64) comprises: the spring (641), one end of the spring (641) is fixedly installed on the surface of the cross rod (61), the other end of the spring (641) is fixedly installed on the inner wall of the fixed block (62), the fixed block (62) is fixedly installed on the inner wall of the fixed frame (642), and the fixed frame (642) is fixedly installed on the inner wall of the stirring tank (2).

5. The quantum dot film stock solution stirring device according to claim 1, wherein: The surface of the rotating rod (4) is fixedly installed with the circular plate (643), the circular plate (643) is rotationally connected with the inner wall of the fixed block (62), and the surface of the circular plate (643) is fixedly installed with the convex block (644).

6. The quantum dot film stock solution stirring device according to claim 5, wherein: The surface of the circular plate (643) is fixedly connected with the top of the circular rod (645), the bottom of the circular rod (645) is fixedly installed with the disc (646), and the surface of the disc (646) is fixedly installed with the scraping rod (647).

7. The quantum dot film stock solution stirring device according to claim 6, wherein the stirring device comprises a stirring rod. The scraping rod (647) is attached to the inner wall of the stirring tank (2), and the cross section shape of the scraping rod (647) is triangular.

Citation Information

Patent Citations

  • Deacidification stock solution stirring device

    CN220758748U