A device for preparing silicone resin for Mini LED silicone lens optical adhesive

Abstract

The present invention discloses a device for preparing silicone resin for Mini LED silicone lens optical adhesive, which relates to the technical field related to silicone resin mixing equipment, including a stirring tank for containing silicone resin and a cover plate arranged on the stirring tank, wherein a hollow shaft is rotatably installed on the cover plate and a stirring shaft is rotatably installed in the hollow shaft, a driving motor is fixedly installed on the cover plate, and the output end of the driving motor is fixedly connected to the top end of the stirring shaft, an upper stirring assembly is provided on the hollow shaft and an upper stirring paddle is provided through the upper stirring assembly, a connecting shaft is rotatably installed on the bottom end of the stirring shaft and middle stirring paddles are fixedly installed at both ends of the connecting shaft; the present invention can further refine the component materials, improve the uniformity of mixing, make the component materials more fully penetrate and interweave with each other, significantly improve the mixing quality, and help reduce optical performance defects caused by uneven mixing of raw materials.

Description

Technical Field

[0001] The present invention relates to the technical field related to silicone resin mixing equipment, specifically a silicone resin preparation device for Mini LED silicone lens optical adhesive. Background Art

[0002] With the rapid development of Mini LED technology, its application in the display field is becoming increasingly widespread. Silicone resin, a key material used in Mini LED silicone lens optical adhesives, plays a decisive role in product performance. However, the preparation of silicone resins faces numerous challenges in existing technologies.

[0003] In terms of raw material mixing, most of the existing silicone resin preparation devices have a single stirring blade design, which cannot meet the diverse needs of mixing degree. The stirring method is relatively simple, and it is difficult to disperse the input raw materials effectively and quickly. The movement mode of materials in various places in the stirring tank is relatively simple, resulting in uneven mixing of raw materials and poor uniformity. In addition, many devices only rely on simple temperature control systems, which are inconvenient to effectively regulate the temperature gradient in the stirring tank. Local overheating or overcooling phenomena frequently occur. There is a temperature gradient difference between the upper and lower materials, which leads to different reaction rates between the upper and lower materials, resulting in differences in product composition in the upper and lower parts, which ultimately affects the stability and uniformity of product quality. It is also difficult to ensure that the temperature in each area of the stirring tank is uniform, further exacerbating the difference in product quality. Summary of the Invention

[0004] In order to solve the defects of the existing technology, the present invention provides a device for preparing silicone resin for Mini LED silicone lens optical adhesive.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The present invention provides a device for preparing silicone resin for Mini LED silicone lens optical adhesive, comprising a stirring tank for containing silicone resin and a cover plate arranged on the stirring tank, wherein a hollow shaft is rotatably mounted on the cover plate and a stirring shaft is rotatably mounted in the hollow shaft, a driving motor is fixedly mounted on the cover plate, and the output end of the driving motor is fixedly connected to the top end of the stirring shaft, an upper stirring assembly is provided on the hollow shaft and an upper stirring paddle is provided through the upper stirring assembly, a connecting shaft is rotatably mounted on the bottom end of the stirring shaft and middle stirring paddles are fixedly mounted at both ends of the connecting shaft, a cavity is provided in the stirring shaft and an adjustment assembly for adaptively adjusting the angle of the middle stirring paddle is provided in the cavity, a lower stirring assembly used in conjunction with the upper stirring assembly is provided on the lower surface of the cover plate, a feed inlet is provided on the cover plate, and a discharge port is provided on the stirring tank.

[0007] As a preferred technical solution of the present invention, the upper stirring assembly includes a support frame fixedly mounted on the cover plate, an idler wheel is rotatably mounted on the support frame, a first bevel gear and a second bevel gear are fixedly mounted on the outer surfaces of the stirring shaft and the hollow shaft respectively, the first bevel gear and the second bevel gear are symmetrically arranged and both are engaged with the idler wheel, the upper stirring paddle is fixedly mounted on the bottom end of the hollow shaft, and a plurality of fins are rotatably mounted on both sides of the upper stirring paddle.

[0008] As a preferred technical solution of the present invention, the lower layer stirring assembly includes a sun gear fixedly mounted on a hollow shaft, a gear ring fixedly mounted on the lower surface of the cover plate, a plurality of planetary gears meshed with the sun gear, and the plurality of planetary gears are meshed with the gear ring, a rotating shaft is fixedly mounted on each of the planetary gears, an auxiliary stirring mechanism is provided on each of the rotating shafts, a lower layer stirring paddle is rotatably mounted on the bottom end of each stirring shaft, and the plurality of lower layer stirring paddles are rotatably connected to the stirring shaft.

[0009] As a preferred technical solution of the present invention, the auxiliary stirring mechanism includes a heat-conducting sleeve rotatably mounted on a rotating shaft, an eccentric block is fixedly mounted on the outer surface of the rotating shaft, and no less than two oscillation units are arranged in the heat-conducting sleeve. The oscillation unit includes a plurality of reset springs fixedly mounted on the inner wall of the heat-conducting sleeve, and the same connecting plate is fixedly mounted on the plurality of reset springs. The connecting plate is used in conjunction with the eccentric block, and a plurality of striking rods are fixedly mounted on the connecting plate.

[0010] As a preferred technical solution of the present invention, a rotating plate is fixedly mounted on the outer surface of the heat-conducting sleeve, and both the rotating plate and the heat-conducting sleeve are made of copper.

[0011] As a preferred technical solution of the present invention, a telescopic rod is provided in the reset spring, and both ends of the telescopic rod are fixedly connected to the inner wall of the heat-conducting sleeve and the connecting plate respectively.

[0012] As a preferred technical solution of the present invention, the adjustment component includes a worm gear fixedly mounted on the connecting shaft, a worm screw meshing with the worm gear is rotatably mounted in the stirring shaft, a heat-conducting rod is fixedly mounted on one end of the stirring shaft close to the upper stirring paddle and one end close to the lower stirring paddle, a transmission gear is fixedly mounted on the worm screw, a tooth plate meshing with the transmission gear is slidably mounted in the stirring shaft, memory alloys are fixedly mounted on both ends of the tooth plate, and the memory alloy is fixedly connected to the heat-conducting rod on the same side.

[0013] As a preferred technical solution of the present invention, a plurality of hemispherical grooves are evenly formed on the lower surface of the lower stirring paddle.

[0014] As a preferred technical solution of the present invention, a sampling tube is provided on the stirring tank.

[0015] The beneficial effects of the present invention are:

[0016] 1. This device for preparing silicone resin for Mini LED organic silicon lens optical adhesive comprises an upper stirring paddle, a middle stirring paddle, a lower stirring paddle, an upper stirring assembly, and a lower stirring assembly. A driving motor drives the stirring shaft and the middle stirring paddle to rotate. Simultaneously with the rotation of the stirring shaft, the upper stirring paddle is driven to rotate in the opposite direction via a first bevel gear, an idler gear, and a second bevel gear. Simultaneously with the rotation of the stirring shaft, the lower stirring paddle is driven to rotate along with the stirring shaft via a sun gear, a ring gear, and a planetary gear. That is, the middle stirring paddle stirs and mixes the materials in the stirring tank in a direction different from that of the upper and lower stirring paddles, thereby forming a strong shear force field between the upper and middle stirring paddles and between the middle and lower stirring paddles. The upper and lower stirring paddles push the materials in one direction, while the middle stirring paddle pushes them in the opposite direction. The materials are repeatedly sheared in these two regions, which further refines the components, improves the uniformity of the mixing, and allows the components to more fully penetrate and interweave, significantly improving the mixing quality and helping to reduce optical performance defects caused by uneven mixing of the raw materials.

[0017] 2. This type of silicone resin preparation device for Mini LED silicone lens optical adhesive is equipped with a lower stirring component. When the rotating shaft rotates, the eccentric block is driven to rotate accordingly. During the rotation process, the eccentric block will reciprocally squeeze the connecting plate and compress the reset spring. The connecting plate is compressed and drives the striking rod to move toward one side of the heat-conducting sleeve. The striking rod strikes the inner wall of the heat-conducting sleeve, causing the surface of the heat-conducting sleeve to vibrate. As the heat-conducting sleeve moves with the rotating shaft, the vibration of the heat-conducting sleeve can eliminate gaps and bubbles between the materials, making the materials in the stirring tank more uniform. At the same time, the vibration of the heat-conducting sleeve can break the boundary layer between the heat-conducting sleeve and the material, further improving the heat transfer effect of the heat-conducting sleeve.

[0018] 3. This silicone resin preparation device for Mini LED silicone lens optical adhesive is equipped with a rotating plate, so that while the thermal sleeve revolves along with the rotating axis, the impact of the material flow in the mixing tank will drive the rotating plate of the thermal sleeve to rotate. This can stir the materials in the mixing tank at multiple levels and in multiple directions, improving the uniformity of mixing between the various components. The provision of the rotating plate greatly increases the contact area between the thermal sleeve and the material, improving the heat exchange rate of the thermal sleeve and the oscillation effect of the thermal sleeve.

[0019] 4. This silicone resin preparation device for Mini LED silicone lens optical adhesive is equipped with an angle adjustment component. When the temperature of the lower layer of material in the stirring tank is high, the memory alloy below deforms and elongates, pushing the middle stirring paddle to tilt upward. When the middle stirring paddle rotates, the material at the bottom of the stirring tank is transported upward, better mixing with the upper layer material, enhancing the overall mixing effect, reducing the gradient difference between the upper and lower layers of material, and avoiding the problem of different reaction rates between the upper and lower layers due to the temperature gradient difference between the upper and lower layers, resulting in differences in product composition in the upper and lower parts, and ultimately affecting the stability and uniformity of product quality.

[0020] 5. This silicone resin preparation device for Mini LED silicone lens optical adhesive is equipped with fins and hemispherical grooves. When the upper stirring paddle rotates, the fins produce irregular swings under the impact of the material flow, thereby more finely cutting and dispersing the material in the initial mixing stage, allowing the various components to be fully mixed and further improving the mixing effect between the various components. When the lower stirring paddle stirs the material at the bottom of the stirring tank, the hemispherical groove can form a local vortex, which can re-roll the material settled at the bottom of the stirring tank and enhance the stirring effect.

[0021] 6. This silicone resin preparation device for Mini LED silicone lens optical adhesive incorporates a thermal sleeve. The rotating shaft revolves simultaneously with the sleeve, allowing for full contact with the materials within the mixing tank. The excellent thermal conductivity of the heat pipe allows for uniform heating between the upper and lower layers of the mixing tank, preventing temperature gradients between the upper and lower layers, which could lead to different reaction rates and product composition differences, ultimately impacting product quality stability and uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of a stirring tank of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0025] Figure 3This is a schematic structural diagram of the lower stirring assembly of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0026] Figure 4 This is a schematic diagram of the stirring shaft structure of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0027] Figure 5 This is a schematic diagram of the cross-sectional structure of a stirring shaft of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of an adjustment component of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0029] Figure 7 This is a schematic structural diagram of an auxiliary stirring mechanism of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0030] Figure 8 This is a schematic cross-sectional structure diagram of a heat-conducting sleeve of a device for preparing silicone resin for Mini LED silicone lens optical adhesive according to the present invention;

[0031] Figure 9 yes Figure 8 A magnified schematic diagram of the structure in the middle.

[0032] In the figure: 1. Mixing tank; 2. Cover plate; 3. Hollow shaft; 4. Mixing shaft; 5. Drive motor; 6. Upper mixing assembly; 61. Upper mixing paddle; 62. Support frame; 63. Idle gear; 64. First bevel gear; 65. Second bevel gear; 66. Fin; 7. Connecting shaft; 8. Middle mixing paddle; 9. Adjusting assembly; 91. Worm gear; 92. Worm; 93. Heat conducting rod; 94. Transmission gear; 95. Tooth plate; 96. Memory alloy; 10. Lower Layer stirring assembly; 101, sun gear; 102, gear ring; 103, planetary gear; 104, rotating shaft; 105, auxiliary stirring mechanism; 1051, heat-conducting sleeve; 1052, eccentric block; 1053, return spring; 1054, connecting plate; 1055, striking rod; 1056, rotating plate; 1057, telescopic rod; 106, lower layer stirring paddle; 107, hemispherical groove; 11, feed port; 12, discharge port; 13, sampling tube. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0034] Example: Figures 1 to 9 As shown, the present invention provides a device for preparing silicone resin for MiniLED silicone lens optical adhesive, comprising a stirring tank 1 for containing silicone resin and a cover plate 2 arranged on the stirring tank 1, a hollow shaft 3 rotatably mounted on the cover plate 2 and a stirring shaft 4 rotatably mounted in the hollow shaft 3, a driving motor 5 fixedly mounted on the cover plate 2, and the output end of the driving motor 5 is fixedly connected to the top of the stirring shaft 4, an upper stirring assembly 6 is provided on the hollow shaft 3 and an upper stirring paddle 61 is provided through the upper stirring assembly 6, a connecting shaft 7 rotatably mounted on the bottom end of the stirring shaft 4 and middle stirring paddles 8 are fixedly mounted at both ends of the connecting shaft 7, a cavity is provided in the stirring shaft 4 and an adjustment assembly 9 for adaptively adjusting the angle of the middle stirring paddle 8 is provided in the cavity, a lower stirring assembly 10 used in conjunction with the upper stirring assembly 6 is provided on the lower surface of the cover plate 2, a feeding port 11 is provided on the cover plate 2, and a discharging port 12 is provided on the stirring tank 1.

[0035] Among them, such as Figure 1 、 Figure 2 、 Figure 4 and Figure 5 As shown, the upper stirring assembly 6 includes a support frame 62 fixedly mounted on the cover plate 2, an idler gear 63 is rotatably mounted on the support frame 62, a first bevel gear 64 and a second bevel gear 65 are fixedly mounted on the outer surfaces of the stirring shaft 4 and the hollow shaft 3, respectively, the first bevel gear 64 and the second bevel gear 65 are symmetrically arranged and both engage with the idler gear 63, an upper stirring paddle 61 is fixedly mounted on the bottom end of the hollow shaft 3, and a plurality of fins 66 are rotatably mounted on both sides of the upper stirring paddle 61.

[0036] Specifically, when each component material is put into the mixing tank 1 in proportion, the drive motor 5 is started, and the drive motor 5 drives the mixing shaft 4 and the middle stirring paddle 8 to mix and stir the materials in the mixing tank 1. When the mixing shaft 4 rotates, the first bevel gear 64 is driven to rotate accordingly. When the first bevel gear 64 rotates, the second bevel gear 65 and the hollow shaft 3 are driven to rotate in the opposite direction through the idler gear 63. The reverse rotation of the hollow shaft 3 drives the upper stirring paddle 61 to rotate accordingly. When the upper stirring paddle 61 rotates, the fins 66 produce irregular swings under the flow impact of the material, thereby being able to cut and disperse the material more finely in the preliminary mixing stage, so that each component material can be mixed more precisely. The components are fully mixed to further improve the mixing effect between the components. The upper stirring paddle 61 and the middle stirring paddle 8 stir and mix the materials in the stirring tank 1 in different directions, thereby forming a strong shear force field between the upper stirring paddle 61 and the middle stirring paddle 8. The upper stirring paddle 61 pushes the material to move in one direction, and the middle stirring paddle 8 pushes it in the opposite direction. The material is repeatedly sheared in this area, which can further refine the component materials, improve the uniformity of mixing, and make the component materials more fully penetrate and interweave with each other, significantly improve the mixing quality, and help reduce optical performance defects caused by uneven mixing of raw materials.

[0037] Among them, such as Figure 2 、 Figure 3 、 Figure 4 、 Figure 7 、 Figure 8 and Figure 9 As shown, the lower stirring assembly 10 includes a sun gear 101 fixedly mounted on the hollow shaft 3, a gear ring 102 fixedly mounted on the lower surface of the cover plate 2, a plurality of planetary gears 103 meshed with the sun gear 101, and the plurality of planetary gears 103 are all meshed with the gear ring 102, a rotating shaft 104 is fixedly mounted on each planetary gear 103, and an auxiliary stirring mechanism 105 is provided on each rotating shaft 104, and a lower stirring paddle 106 is rotatably mounted on the bottom end of each stirring shaft 4, and the plurality of lower stirring paddles 106 are rotatably connected to the stirring shaft 4.

[0038] Specifically, when the stirring shaft 4 rotates, it drives the sun gear 101 to rotate along with it. The sun gear 101 rotates and cooperates with the gear ring 102 to drive the planetary gears 103 and the rotating shaft 104 to revolve around the stirring shaft 4 as the axis while rotating around itself. The rotation of the rotating shaft 104 drives the lower stirring paddle 106 to rotate along with it. The lower stirring paddle 106 rotates to stir the material at the bottom of the stirring tank 1 to prevent the material in the stirring tank 1 from settling. At the same time, since the rotation direction of the lower stirring paddle 106 is consistent with the rotation direction of the upper stirring paddle 61, that is, the rotation direction of the lower stirring paddle 106 is opposite to the rotation direction of the middle stirring paddle 8, the component materials can be further refined and the mixing uniformity can be improved. At the same time, when the rotating shaft 104 rotates, the material at the side wall of the stirring tank 1 can be stirred and mixed to prevent the material in the stirring tank 1 from accumulating on the side wall of the stirring tank 1, so that the component materials can be better evenly mixed.

[0039] Further, such as Figure 2 、 Figure 3 、 Figure 7 、 Figure 8 and Figure 9 As shown, the auxiliary stirring mechanism 105 includes a heat-conducting sleeve 1051 rotatably mounted on the rotating shaft 104, an eccentric block 1052 is fixedly mounted on the outer surface of the rotating shaft 104, and no less than two oscillation units are arranged in the heat-conducting sleeve 1051. The oscillation units include a plurality of return springs 1053 fixedly mounted on the inner wall of the heat-conducting sleeve 1051, and the same connecting plate 1054 is fixedly mounted on the plurality of return springs 1053. The connecting plate 1054 is used in conjunction with the eccentric block 1052, and a plurality of striking rods 1055 are fixedly mounted on the connecting plate 1054.

[0040] Specifically, the rotating shaft 104 revolves while driving the heat-conducting sleeve 1051 to rotate accordingly. The heat-conducting sleeve 1051 can fully contact the materials in various places in the mixing tank 1 during its revolution, and utilize the excellent heat conduction effect of the heat pipe to achieve heat uniformity between the upper and lower materials in the mixing tank 1, avoiding the temperature gradient difference between the upper and lower materials, resulting in different reaction rates between the upper and lower materials, resulting in differences in product components in the upper and lower parts, and ultimately affecting the stability and uniformity of product quality.

[0041] If further explanation is needed, the rotating shaft 104 rotates while driving the eccentric block 1052 to rotate accordingly. During the rotation, the eccentric block 1052 will reciprocally squeeze the connecting plate 1054 and compress the return spring 1053. The connecting plate 1054 is compressed and drives the striking rod 1055 to move to one side of the heat-conducting sleeve 1051, and the striking rod 1055 strikes the inner wall of the heat-conducting sleeve 1051, causing the surface of the heat-conducting sleeve 1051 to vibrate. As the heat-conducting sleeve 1051 moves with the rotating shaft 104, the vibration of the heat-conducting sleeve 1051 can eliminate the gaps and bubbles between the materials, making the materials in the mixing tank 1 more uniform. At the same time, the vibration of the heat-conducting sleeve 1051 can break the boundary layer between the heat-conducting sleeve 1051 and the material, further improving the heat transfer effect of the heat-conducting sleeve 1051.

[0042] Further, such as Figure 7 、 Figure 8 and Figure 9 As shown, a rotating piece 1056 is fixedly installed on the outer surface of the heat-conducting sleeve 1051. The rotating piece 1056 and the heat-conducting sleeve 1051 are both made of copper. By setting the rotating piece 1056, the heat-conducting sleeve 1051 will rotate under the impact of the flow of materials in the mixing tank 1 while following the revolution of the rotating shaft 104. Therefore, the material in the mixing tank 1 can be stirred in multiple levels and directions, thereby improving the uniformity of mixing between the various component materials. By setting the rotating piece 1056, the contact area between the heat-conducting sleeve 1051 and the material is greatly increased, thereby improving the heat exchange rate of the heat-conducting sleeve 1051 and the oscillation effect of the heat-conducting sleeve 1051.

[0043] Among them, such as Figure 7 、 Figure 8 and Figure 9 As shown, a telescopic rod 1057 is provided in the reset spring 1053, and the two ends of the telescopic rod 1057 are fixedly connected to the inner wall of the heat-conducting sleeve 1051 and the connecting plate 1054 respectively. By providing the telescopic rod 1057, the movement of the reset spring 1053 can be supported and limited, thereby ensuring the stability of the reset spring 1053 during the telescopic process.

[0044] Among them, such as Figure 5 and Figure 6 As shown, the adjustment component 9 includes a worm gear 91 fixedly mounted on the connecting shaft 7, a worm 92 meshing with the worm gear 91 is rotatably mounted in the stirring shaft 4, a heat-conducting rod 93 is fixedly mounted on one end of the stirring shaft 4 close to the upper stirring paddle 61 and one end close to the lower stirring paddle 106, a transmission gear 94 is fixedly mounted on the worm gear 92, a tooth plate 95 meshing with the transmission gear 94 is slidably mounted in the stirring shaft 4, and memory alloys 96 are fixedly mounted at both ends of the tooth plate 95, and the memory alloy 96 is fixedly connected to the heat-conducting rod 93 on the same side.

[0045] Specifically, when the temperature difference between the upper material and the lower material in the mixing tank 1 is too large, when the temperature of the lower material in the mixing tank 1 is higher, the memory alloy 96 below is deformed and elongated, and pushes the tooth plate 95 to move upward. The tooth plate 95 moves upward and drives the worm 92 to rotate through the transmission gear 94. The rotation of the worm 92 drives the connecting shaft 7 and the middle-layer stirring paddle 8 to rotate through the worm gear 91, so that the middle-layer stirring paddle 8 tilts upward. According to the principles of fluid mechanics, when the middle-layer stirring paddle 8 rotates, the material will move upward along the inclined surface of the middle-layer stirring paddle 8 under the action of this thrust, and the material at the bottom of the mixing tank 1 will be transported upward, mixed better with the upper material, and enhanced as a whole. The mixing effect of the body is improved, and the gradient difference between the upper and lower materials is reduced. On the contrary, when the temperature of the lower material in the stirring tank 1 is low, the upper memory alloy 96 is deformed and elongated, and pushes the tooth plate 95 to move downward, so that the middle stirring paddle 8 tilts downward, and the upper material is transported downward, which speeds up the output mixing rate between the upper and lower materials, reduces the gradient difference between the upper and lower materials in the stirring tank 1, ensures the full mixing of the materials in the stirring tank 1, avoids the temperature gradient difference between the upper and lower materials, resulting in different reaction rates between the upper and lower materials, and makes the product components different in the upper and lower parts, which ultimately affects the stability and uniformity of the product quality.

[0046] Among them, such as Figure 3 As shown, a number of hemispherical grooves 107 are evenly opened on the lower surface of the lower stirring paddle 106. When the lower stirring paddle 106 stirs the material at the bottom of the stirring tank 1, the hemispherical grooves 107 can form a local vortex, which will re-roll the material settled at the bottom of the stirring tank 1 and enhance the stirring effect.

[0047] Among them, such as Figure 1 As shown, a sampling tube 13 is provided on the mixing tank 1 to facilitate sampling and testing of the material in the mixing tank 1.

[0048] During operation, each component material is put into the stirring tank 1 in proportion, and the driving motor 5 is started. The driving motor 5 drives the stirring shaft 4 and the middle stirring paddle 8 to stir and mix the materials in the stirring tank 1. When the stirring shaft 4 rotates, the first bevel gear 64 is driven to rotate accordingly. When the first bevel gear 64 rotates, the second bevel gear 65 and the hollow shaft 3 are driven to rotate in the opposite direction through the idler gear 63. The reverse rotation of the hollow shaft 3 drives the upper stirring paddle 61 to rotate accordingly. When the upper stirring paddle 61 rotates, the fins 66 produce irregular swings under the flow impact of the material, so that the material can be cut and dispersed more finely in the preliminary mixing stage, so that the component materials are fully mixed, and the mixing effect between the component materials is further improved.

[0049] When the stirring shaft 4 rotates, it drives the sun gear 101 to rotate along with it. The sun gear 101 rotates and cooperates with the gear ring 102 to drive the planetary gears 103 and the rotating shaft 104 to revolve around the stirring shaft 4 as the axis while rotating around itself. The rotation of the rotating shaft 104 drives the lower stirring paddle 106 to rotate along with it. The lower stirring paddle 106 rotates to stir the material at the bottom of the stirring tank 1 to prevent the material in the stirring tank 1 from settling. At the same time, since the rotation direction of the lower stirring paddle 106 is consistent with the rotation direction of the upper stirring paddle 61, that is, the rotation direction of the lower stirring paddle 106 is opposite to the rotation direction of the middle stirring paddle 8, the middle stirring paddle 8 The materials in the stirring tank 1 are stirred and mixed in a direction different from the rotation direction of the upper stirring paddle 61 and the lower stirring paddle 106, thereby forming a strong shear force field between the upper stirring paddle 61 and the middle stirring paddle 8, and between the middle stirring paddle 8 and the lower stirring paddle 106. The upper stirring paddle 61 and the lower stirring paddle 106 push the materials in one direction, while the middle stirring paddle 8 pushes them in the opposite direction. The materials are repeatedly sheared in these two areas, which can further refine the components of the materials, improve the uniformity of the mixing, and make the components of the materials more fully penetrate and interweave with each other, significantly improve the mixing quality, and help reduce optical performance defects caused by uneven mixing of the raw materials;

[0050] When the rotating shaft 104 rotates, the eccentric block 1052 is driven to rotate accordingly. During the rotation process, the eccentric block 1052 will reciprocally squeeze the connecting plate 1054 and compress the return spring 1053. The connecting plate 1054 is pressed and drives the striking rod 1055 to move toward the side of the heat-conducting sleeve 1051. The striking rod 1055 strikes the inner wall of the heat-conducting sleeve 1051 to cause the surface of the heat-conducting sleeve 1051 to vibrate. As the heat-conducting sleeve 1051 moves with the rotating shaft 104, the vibration of the heat-conducting sleeve 1051 can eliminate the gaps and bubbles between the materials, so that the mixing tank is stable. 1 is more uniform, and the vibration of the heat-conducting sleeve 1051 can break the boundary layer between the heat-conducting sleeve 1051 and the material, further improving the heat transfer effect of the heat-conducting sleeve 1051; while the heat-conducting sleeve 1051 revolves along with the rotating shaft 104, the flow of the material in the mixing tank 1 will impact the rotating plate 1056, causing the heat-conducting sleeve 1051 and the rotating plate 1056 to rotate, thereby stirring the material in the mixing tank 1 in multiple levels and directions, thereby improving the uniformity of mixing between the various components, the heat exchange rate of the heat-conducting sleeve 1051, and the vibration effect of the heat-conducting sleeve 1051;

[0051] The rotating shaft 104 revolves while driving the heat-conducting sleeve 1051 to rotate accordingly. The heat-conducting sleeve 1051 revolves so as to fully contact the materials at various locations in the mixing tank 1. The excellent heat conduction effect of the heat pipe is utilized to achieve a heat-equalizing operation between the upper and lower materials in the mixing tank 1, thereby avoiding the problem of different reaction rates between the upper and lower materials due to a temperature gradient difference between the upper and lower materials, resulting in different product components in the upper and lower parts, and ultimately affecting the stability and uniformity of product quality.

[0052] During the stirring operation, when the temperature difference between the upper and lower materials in the stirring tank 1 is too large, when the temperature of the lower material in the stirring tank 1 is higher, the memory alloy 96 below is deformed and elongated, and pushes the tooth plate 95 to move upward. The tooth plate 95 moves upward and drives the worm 92 to rotate through the transmission gear 94. The rotation of the worm 92 drives the connecting shaft 7 and the middle-layer stirring paddle 8 to rotate through the worm gear 91, so that the middle-layer stirring paddle 8 tilts upward. According to the principles of fluid mechanics, when the middle-layer stirring paddle 8 rotates, the material will move upward along the inclined surface of the middle-layer stirring paddle 8 under the action of this thrust, and the material at the bottom of the stirring tank 1 will be transported upward to be better mixed with the upper material, thereby enhancing The overall mixing effect reduces the gradient difference between the upper and lower materials. On the contrary, when the temperature of the lower material in the mixing tank 1 is low, the upper memory alloy 96 deforms and elongates, and pushes the tooth plate 95 to move downward, so that the middle stirring paddle 8 tilts downward, and the upper material is transported downward, which speeds up the output mixing rate between the upper and lower materials, reduces the gradient difference between the upper and lower materials in the mixing tank 1, ensures the full mixing of the materials in the mixing tank 1, and avoids the temperature gradient difference between the upper and lower materials, which leads to different reaction rates between the upper and lower materials, resulting in differences in product composition in the upper and lower parts, and ultimately affects the stability and uniformity of product quality.

[0053] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A device for preparing silicone resin for Mini LED silicone lens optical adhesive, comprising a stirring tank (1) for containing the silicone resin and a cover plate (2) arranged on the stirring tank (1), characterized in that: A hollow shaft (3) is rotatably mounted on the cover plate (2), and a stirring shaft (4) is rotatably mounted in the hollow shaft (3); a driving motor (5) is fixedly mounted on the cover plate (2), and the output end of the driving motor (5) is fixedly connected to the top end of the stirring shaft (4); an upper stirring assembly (6) is provided on the hollow shaft (3), and an upper stirring paddle (61) is provided through the upper stirring assembly (6); a connecting shaft (7) is rotatably mounted on the bottom end of the stirring shaft (4), and middle stirring paddles (8) are fixedly mounted at both ends of the connecting shaft (7); a cavity is provided in the stirring shaft (4), and an adjusting assembly (9) for adaptively adjusting the angle of the middle stirring paddle (8) is provided in the cavity; a lower stirring assembly (10) for use with the upper stirring assembly (6) is provided on the lower surface of the cover plate (2); a feed port (11) is provided on the cover plate (2), and a discharge port (12) is provided on the stirring tank (1); The lower layer stirring assembly (10) comprises a plurality of rotating shafts (104), and each rotating shaft (104) is provided with an auxiliary stirring mechanism (105); The auxiliary stirring mechanism (105) includes a heat-conducting sleeve (1051) rotatably mounted on a rotating shaft (104), an eccentric block (1052) fixedly mounted on the outer surface of the rotating shaft (104), and at least two oscillation units are arranged in the heat-conducting sleeve (1051). The oscillation units include a plurality of return springs (1053) fixedly mounted on the inner wall of the heat-conducting sleeve (1051), and a same connecting plate (1054) is fixedly mounted on the plurality of return springs (1053). The connecting plate (1054) is used in conjunction with the eccentric block (1052), and a plurality of striking rods (1055) are fixedly mounted on the connecting plate (1054).

2. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 1, characterized in that: The upper stirring assembly (6) comprises a support frame (62) fixedly mounted on the cover plate (2), an idler wheel (63) being rotatably mounted on the support frame (62), a first bevel gear (64) and a second bevel gear (65) being fixedly mounted on the outer surfaces of the stirring shaft (4) and the hollow shaft (3), respectively, the first bevel gear (64) and the second bevel gear (65) being symmetrically arranged and both meshing with the idler wheel (63), the upper stirring paddle (61) being fixedly mounted on the bottom end of the hollow shaft (3), and a plurality of fins (66) being rotatably mounted on both sides of the upper stirring paddle (61).

3. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 2, characterized in that: The lower stirring assembly (10) further comprises a sun gear (101) fixedly mounted on the hollow shaft (3); a gear ring (102) is fixedly mounted on the lower surface of the cover plate (2); a plurality of planetary gears (103) are meshed with the sun gear (101); the plurality of planetary gears (103) are meshed with the gear ring (102); a rotating shaft (104) is fixedly mounted on each of the planetary gears (103); a lower stirring paddle (106) is rotatably mounted on the bottom end of each stirring shaft (4); and the plurality of lower stirring paddles (106) are rotatably connected to the stirring shaft (4).

4. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 1, characterized in that: A rotating plate (1056) is fixedly mounted on the outer surface of the heat-conducting sleeve (1051); both the rotating plate (1056) and the heat-conducting sleeve (1051) are made of copper.

5. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 1, characterized in that: A telescopic rod (1057) is provided in the return spring (1053), and two ends of the telescopic rod (1057) are fixedly connected to the inner wall of the heat-conducting sleeve (1051) and the connecting plate (1054), respectively.

6. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 3, characterized in that: The regulating assembly (9) comprises a worm wheel (91) fixedly mounted on the connecting shaft (7); a worm (92) meshing with the worm wheel (91) is rotatably mounted in the stirring shaft (4); a heat-conducting rod (93) is fixedly mounted on one end of the stirring shaft (4) close to the upper stirring paddle (61) and one end close to the lower stirring paddle (106); a transmission gear (94) is fixedly mounted on the worm wheel (92); a tooth plate (95) meshing with the transmission gear (94) is slidably mounted in the stirring shaft (4); memory alloy (96) is fixedly mounted on both ends of the tooth plate (95); and the memory alloy (96) is fixedly connected to the heat-conducting rod (93) on the same side.

7. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 3, characterized in that: A plurality of hemispherical grooves (107) are evenly formed on the lower surface of the lower stirring paddle (106).

8. The device for preparing silicone resin for Mini LED silicone lens optical adhesive according to claim 1, characterized in that: The stirring tank (1) is provided with a sampling tube (13).

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