Coating liquid stirring device

Abstract

The utility model relates to the field of stirring devices, in particular to a coating liquid stirring device which comprises a stirring kettle, a stirring shaft, a stirring part and protrusions, the stirring kettle is provided with a stirring cavity, the stirring shaft is rotatably connected to the top wall of the stirring cavity around the axis of the stirring shaft, the stirring part is arranged in the stirring cavity and fixedly connected to the stirring shaft, and the protrusions are arranged on the stirring shaft. And the bulge is coaxially and fixedly connected to the bottom wall of the stirring cavity. The stirring shaft rotates to drive the stirring piece to rotate, the stirring piece stirs the materials in the stirring cavity, the protrusions reduce the gathering probability of the materials at the bottom of the stirring cavity, the materials can be evenly stirred conveniently, and the production quality is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of stirring device, in particular to a coating liquid stirring device. BACKGROUND

[0002] Anisotropic conductive film (ACF) is a special coating material, mainly used to solve the problem of fine wire connection, especially in the process of high temperature lead-tin soldering.

[0003] The main components of anisotropic conductive film include resin adhesive and conductive particles. The production process of anisotropic conductive film is complex and delicate, mainly including coating liquid production, coating machine coating on the substrate and cutting according to the specification.

[0004] In the coating liquid production step, the resin adhesive and conductive particles are generally mixed uniformly in the stirring device. Since the bottom of the traditional stirring device is horizontal, the coating liquid is easy to accumulate, resulting in uneven stirring and reducing production quality. CONTENT OF THE INVENTION

[0005] In order to improve the production quality, the present application provides a coating liquid stirring device.

[0006] The coating liquid stirring device provided by the present application adopts the following technical scheme:

[0007] A coating liquid stirring device, comprising a stirring kettle, a stirring shaft, a stirring part and a protrusion, the stirring kettle is provided with a stirring cavity, the stirring shaft is rotationally connected to the top wall of the stirring cavity around its own axis, the stirring part is arranged in the stirring cavity, the stirring part is fixedly connected to the stirring shaft, and the protrusion is coaxially fixedly connected to the bottom wall of the stirring cavity.

[0008] By adopting the above technical scheme, the stirring shaft rotates to drive the stirring part to rotate, the stirring part stirs the material in the stirring cavity, and the protrusion reduces the probability of material accumulation at the bottom of the stirring cavity, so as to facilitate uniform stirring of the material and improve the production quality.

[0009] Preferably, the diameter of the protrusion decreases away from the bottom wall of the stirring cavity.

[0010] By adopting the above technical scheme, the probability of material accumulation on the protrusion is reduced, the material is dispersed, the stirring is uniform, and the production quality is improved.

[0011] Preferably, it further comprises an ultrasonic vibrator, and the ultrasonic vibrator is fixedly connected to the outer wall of the stirring kettle.

[0012] By adopting the above technical solution, during the manufacturing of the coating liquid, the ultrasonic transducer disperses conductive particles into the resin adhesive, thereby improving production quality.

[0013] Preferably, multiple ultrasonic transducers are provided, and the multiple ultrasonic transducers are respectively fixedly connected to the side wall and the bottom wall of the mixing vessel.

[0014] By adopting the above technical solution, multiple ultrasonic transducers promote the dispersion of conductive particles, reduce aggregation, and improve production quality.

[0015] Preferably, the stirring component includes a first stirring paddle and a second stirring paddle, both of which are fixedly connected to the outer wall of the stirring shaft, and the distance from the first stirring paddle to the protrusion is less than the distance from the second stirring paddle to the protrusion.

[0016] By adopting the above technical solution, multiple agitators stir different areas of the mixing chamber, making the material uniformly mixed and improving production quality.

[0017] Preferably, the length directions of the first and second stirring paddles are both perpendicular to the axis of the stirring shaft, and the length direction of the first stirring paddle is perpendicular to the length direction of the second stirring paddle.

[0018] By adopting the above technical solutions, the mixing area is increased, the mixing zone is expanded, which facilitates uniform mixing and improves production quality.

[0019] Preferably, the stirring component includes a crossbeam, a third stirring paddle, and a fourth stirring paddle. The crossbeam is fixedly connected to the stirring shaft, and the third and fourth stirring paddles are respectively fixedly connected to both ends of the crossbeam. The third and fourth stirring paddles are respectively located on both sides of the protrusion.

[0020] By adopting the above technical solutions, the mixing area is increased, the mixing zone is expanded, which facilitates uniform mixing and improves production quality.

[0021] Preferably, the mixture also includes an ultrasonic vibrating rod. The upper end of the mixing vessel is provided with an installation port, the ultrasonic vibrating rod is fixedly connected to the inner wall of the installation port, and the lower end of the ultrasonic vibrating rod is located inside the mixing chamber.

[0022] By adopting the above technical solution, during the manufacturing of the coating liquid, the ultrasonic vibrating rod disperses the conductive particles into the resin adhesive, which facilitates uniform mixing and improves production efficiency and quality.

[0023] Preferably, the mixture also includes a drive motor. The upper end of the mixing vessel is provided with a drive port. The stirring shaft is rotatably connected to the inner wall of the drive port around its own axis. The motor housing of the drive motor is fixedly connected to the upper end of the mixing vessel. The motor shaft of the drive motor is coaxially fixedly connected to the stirring shaft.

[0024] By adopting the above technical solution, the stirring shaft is driven to rotate by a drive motor. The drive motor has the advantages of high energy efficiency, good speed range, good starting performance, and high control precision, making it convenient for users to use.

[0025] In summary, this application includes at least one of the following beneficial technical effects:

[0026] 1. The rotation of the stirring shaft drives the stirring components to rotate, and the stirring components stir the materials in the stirring chamber. The protrusions reduce the probability of material accumulation at the bottom of the stirring chamber, making it easier to stir the materials evenly and improve production quality.

[0027] 2. Reduces the probability of material accumulating on the protrusions, facilitates material dispersion, promotes uniform mixing, and improves production quality;

[0028] 3. During the manufacturing of the coating liquid, the ultrasonic transducer disperses conductive particles into the resin adhesive, improving production quality. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of the coating liquid stirring device.

[0030] Figure 2 This is a schematic diagram of the internal structure of the coating liquid stirring device after it has been cut open.

[0031] Figure 3 This is a schematic diagram of the internal structure of the coating liquid stirring device after it has been cut open, mainly used to show the stirring components in other embodiments.

[0032] Explanation of reference numerals in the attached drawings: 1. Stirring vessel; 11. Vessel body; 111. Receiving tank; 12. Cover; 121. Drive port; 122. Mounting port; 13. Stirring chamber; 2. Drive motor; 3. Stirring shaft; 4. Stirring component; 41. First stirring paddle; 411. First stirring blade; 42. Second stirring paddle; 421. Second stirring blade; 43. Crossbeam; 44. Third stirring paddle; 441. Third stirring blade; 45. Fourth stirring paddle; 451. Fourth stirring blade; 5. Protrusion; 6. Ultrasonic transducer; 7. Ultrasonic vibrator. Detailed Implementation

[0033] The following is in conjunction with the appendix Figures 1-3 This application will be described in further detail.

[0034] This application discloses a coating liquid stirring device. (Refer to...) Figure 1 The coating liquid stirring device includes a stirring tank 1, a drive motor 2, a stirring shaft 3, a stirring component 4, a protrusion 5, an ultrasonic transducer 6, and an ultrasonic vibrating rod 7.

[0035] Reference Figure 1 and Figure 2The mixing vessel 1 includes a vessel body 11 and a cover 12. The upper end of the vessel body 11 is coaxially provided with a receiving groove 111. The cover 12 is coaxially fixed to the upper end of the vessel body 11 by screws. The cover 12 is used to cover the opening of the receiving groove 111. The cover 12 and the vessel body 11 together form a mixing chamber 13. The mixing chamber 13 is coaxially arranged with the cover 12.

[0036] Reference Figure 2 The cover 12 is coaxially provided with a drive port 121, which extends vertically through the cover 12. The motor housing of the drive motor 2 is fixedly connected to the end of the cover 12 away from the vessel body 11. The motor shaft of the drive motor 2 is coaxially fixedly connected to the stirring shaft 3, and the stirring shaft 3 is coaxially rotatably connected to the inner wall of the drive port 121.

[0037] The stirring element 4 is disposed inside the stirring chamber 13 and is fixedly connected to the stirring shaft 3. The protrusion 5 is coaxially fixedly connected to the bottom wall of the stirring chamber 13, and the diameter of the protrusion 5 decreases as it moves away from the bottom wall of the stirring chamber 13.

[0038] Reference Figure 2 The ultrasonic transducer 6 is fixedly connected to the outer wall of the vessel body 11. There are three ultrasonic transducers 6, two of which are fixedly connected to the side wall of the vessel body 11. The two ultrasonic transducers 6 are evenly spaced around the axis of the vessel body 11. The remaining ultrasonic transducer 6 is fixedly connected to the bottom wall of the vessel body 11 and is located at the center of the bottom of the vessel body 11.

[0039] Reference Figure 2 In this embodiment, the stirring component 4 includes a first stirring paddle 41 and a second stirring paddle 42. One end of the first stirring paddle 41 and one end of the second stirring paddle 42 are both fixedly connected to the outer wall of the stirring shaft 3. The other end of the first stirring paddle 41 is fixedly connected to a first stirring blade 411, and the other end of the second stirring paddle 42 is fixedly connected to a second stirring blade 421. The first stirring blade 411 and the second stirring blade 421 increase the contact area between the stirring component 4 and the liquid.

[0040] The distance from the first stirring paddle 41 to the protrusion 5 is less than the distance from the second stirring paddle 42 to the protrusion 5. The length directions of both the first stirring paddle 41 and the second stirring paddle 42 are perpendicular to the axis of the stirring shaft 3, and the length direction of the first stirring paddle 41 is perpendicular to the length direction of the second stirring paddle 42. Two first stirring paddles 41 are provided, evenly spaced around the axis of the stirring shaft 3. Two second stirring paddles 42 are also provided, evenly spaced around the axis of the stirring shaft 3.

[0041] Reference Figure 2The upper end of the cover 12 is provided with an installation port 122, which is located on the outer periphery of the drive port 121. The installation port 122 extends vertically through the cover 12. The ultrasonic vibrating rod 7 is coaxially fixedly connected to the inner wall of the installation port 122. The lower end of the ultrasonic vibrating rod 7 is located in the stirring chamber 13 and close to the bottom wall of the stirring chamber 13.

[0042] Reference Figure 3 In other embodiments, the stirring component 4 includes a crossbeam 43, a third stirring paddle 44, and a fourth stirring paddle 45. The crossbeam 43 is fixedly connected to the lower end of the stirring shaft 3, and the length direction of the crossbeam 43 is perpendicular to the axial direction of the stirring shaft 3. The upper ends of the third stirring paddle 44 and the fourth stirring paddle 45 are respectively fixedly connected to the two ends of the crossbeam 43. The third stirring paddle 44 and the fourth stirring paddle 45 are evenly spaced around the axial direction of the stirring shaft 3. The third stirring paddle 44 and the fourth stirring paddle 45 are respectively located on both sides of the protrusion 5. The length direction of the third stirring paddle 44 and the length direction of the fourth stirring paddle 45 are both parallel to the axial direction of the stirring shaft 3.

[0043] The lower end of the third stirring paddle 44 is fixedly connected to the third stirring blade 441, and the lower end of the fourth stirring paddle 45 is fixedly connected to the fourth stirring blade 451. The ultrasonic vibrating rod 7 is coaxially arranged with the stirring shaft 3, and the ultrasonic vibrating rod 7 is located directly above the protrusion 5. The upper end of the ultrasonic vibrating rod 7 is fixedly connected to the end of the crossbeam 43 away from the stirring shaft 3.

[0044] The implementation principle of the coating liquid stirring device in this application embodiment is as follows: the drive motor 2 drives the stirring shaft 3 to rotate, the stirring component 4 rotates to stir the mixture, the ultrasonic transducer 6 and the ultrasonic vibrating rod 7 make the material mix evenly, which facilitates the dispersion of conductive particles into the resin adhesive, the protrusion 5 reduces material agglomeration, improves the mixing quality and improves the production quality.

[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A coating liquid stirring device characterized by comprising: The utility model provides an improved stirring kettle, which comprises a stirring kettle (1), a stirring shaft (3), a stirring part (4) and a protrusion (5), wherein the stirring kettle (1) is provided with a stirring cavity (13); the stirring shaft (3) is rotatably connected to the top wall of the stirring cavity (13) about its own axis; the stirring part (4) is arranged in the stirring cavity (13) and is fixedly connected to the stirring shaft (3); and the protrusion (5) is coaxially fixedly connected to the bottom wall of the stirring cavity (13).

2. The coating liquid stirring device according to claim 1, characterized by: The diameter of the protrusion (5) decreases away from the bottom wall of the stirring cavity (13).

3. The coating liquid stirring device according to claim 1, characterized by: The utility model further comprises an ultrasonic vibrator (6) fixedly connected to the outer wall of the stirring kettle (1).

4. The coating liquid stirring device according to claim 3, characterized by: The ultrasonic vibrator (6) is provided in plurality, and each of the plurality of ultrasonic vibrators (6) is fixedly connected to the side wall of the stirring kettle (1) or the bottom wall of the stirring kettle (1).

5. The coating liquid stirring device according to claim 1, wherein: The stirring part (4) comprises a first stirring paddle (41) and a second stirring paddle (42), wherein the first stirring paddle (41) and the second stirring paddle (42) are both fixedly connected to the outer wall of the stirring shaft (3), the distance from the first stirring paddle (41) to the protrusion (5) is less than the distance from the second stirring paddle (42) to the protrusion (5).

6. The coating liquid stirring device according to claim 5, wherein: The length direction of the first stirring paddle (41) and the length direction of the second stirring paddle (42) are both perpendicular to the axis direction of the stirring shaft (3), and the length direction of the first stirring paddle (41) is perpendicular to the length direction of the second stirring paddle (42).

7. The coating liquid stirring device according to claim 1, wherein: The stirring part (4) comprises a cross beam (43), a third stirring paddle (44) and a fourth stirring paddle (45), wherein the cross beam (43) is fixedly connected to the stirring shaft (3), the third stirring paddle (44) and the fourth stirring paddle (45) are respectively fixedly connected to the two ends of the cross beam (43), and the third stirring paddle (44) and the fourth stirring paddle (45) are respectively arranged on the two sides of the protrusion (5).

8. The coating liquid stirring device according to claim 1, wherein: The utility model further comprises an ultrasonic vibration rod (7), wherein the upper end of the stirring kettle (1) is provided with a mounting port (122), the ultrasonic vibration rod (7) is fixedly connected to the inner wall of the mounting port (122), and the lower end of the ultrasonic vibration rod (7) is arranged in the stirring cavity (13).

9. The coating liquid stirring device according to claim 1, wherein: The utility model further comprises a driving motor (2), wherein the upper end of the stirring kettle (1) is provided with a driving port (121), the stirring shaft (3) is rotatably connected to the inner wall of the driving port (121) about its own axis, the motor shell of the driving motor (2) is fixedly connected to the upper end of the stirring kettle (1), and the motor shaft of the driving motor (2) is coaxially fixedly connected to the stirring shaft (3).

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