Quantum dot uniform spraying equipment for quantum dot diffusion plate
By introducing a stirring roller, filter, and temperature control system into the spraying equipment, the problems of equipment blockage and paint residue were solved, achieving uniform spraying of quantum dot diffuser plates and improving spraying quality and equipment operational stability.
Patent Information
- Application Number
- CN202520151139.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
In the existing technology, the spraying equipment for quantum dot diffuser plates is prone to clogging during long-term operation, which affects the continuity and stability of spraying. Furthermore, the viscosity and chemical activity of quantum dot materials cause residues and accumulation inside the equipment, affecting the spraying quality.
The system employs a support mechanism and a spraying mechanism, including components such as paint buckets, stirring rollers, filters, metering pumps, water-cooled jackets, and heating jackets. The paint is stirred by the stirring rollers, filtered by the filters, precisely supplied by the metering pumps, and the paint temperature is controlled by the water-cooled jackets and heating jackets to maintain the fluidity of the paint.
It effectively prevents paint clogging, ensures uniformity and stability of spraying, improves spraying quality, reduces residue inside the equipment, and enhances the continuity and reliability of equipment operation.
Smart Images

Figure CN223847178U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spraying equipment technical field especially relates to a quantum point diffusion board quantum point uniform spraying equipment. BACKGROUND
[0002] Quantum dot diffusion board is a kind of new optical material applied to display technology field, and quantum dot has unique quantum confinement effect, which can absorb specific wavelength light and emit different wavelength light.In processing, quantum dot material is dissolved in proper solvent, mixed uniformly with the solution of matrix material, then the mixed solution is coated on substrate by coating, spin coating, inkjet printing and other processes, and quantum dot diffusion board is obtained after drying, curing and other treatments.
[0003] In the prior art, the feeding system, spraying system and other devices may be blocked during long-time operation, affecting the continuity and stability of spraying; and quantum dot material has certain viscosity and chemical activity, which is easy to remain and accumulate in the device, affecting the spraying quality. UTILITY MODEL CONTENT
[0004] The utility model discloses a quantum dot diffusion board quantum dot uniform spraying equipment, which can solve the problems of blocking of the feeding system, spraying system and other devices during long-time operation, affecting the continuity and stability of spraying, and the viscosity and chemical activity of quantum dot material remaining and accumulating in the device, affecting the spraying quality.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including: support mechanism and spraying mechanism;The spraying mechanism includes paint bucket and mounting plate, the top of the paint bucket is clamped with cover plate, the inside of the cover plate penetrates stirring roller, the stirring roller is arranged in the inside of the paint bucket, the outer surface wall of the paint bucket is fixedly installed with filter, the input end of the filter is fixedly communicated with the outer surface wall of the paint bucket, the output end of the filter is fixedly communicated with metering pump, the output end of the metering pump is fixedly communicated with control valve, the control valve is fixedly connected with the outer surface wall of the paint bucket, the two output ends of the control valve are communicated with first connecting pipe and second connecting pipe respectively, the outer surface walls of the first connecting pipe and the second connecting pipe are respectively sleeved with water cooling jacket and heating jacket.
[0006] Preferably, the output ends of the first connecting pipe and the second connecting pipe are fixedly communicated with spray head, and the two ends of the mounting plate are fixedly installed with fixed ring.
[0007] Preferably, the inside of the two fixed rings penetrates fixed bolt, and the fixed bolt is threadedly connected with the fixed ring.
[0008] Preferably, two said spray heads are respectively inserted in the interiors of two fixing rings, a motor is fixedly installed at the top of the paint bucket, and the output end of the motor is fixedly connected with the top end of the stirring roller.
[0009] Preferably, the supporting mechanism comprises a supporting base, supports are fixedly connected to the two sides of the supporting base, and an adjusting assembly is fixedly arranged at the bottom of the support.
[0010] Preferably, the bottom of the adjusting assembly is fixedly connected with the top of the mounting plate, and the paint bucket is fixedly installed at the top of the support.
[0011] Preferably, the metering pump is fixedly installed at the top of the support, and the first connecting pipe and the second connecting pipe are arranged at the two sides of the adjusting assembly respectively.
[0012] Compared with the prior art, the quantum dot diffusion plate quantum dot uniform spraying equipment has the advantages and positive effects that,
[0013] 1. In the utility model, the motor drives the stirring roller to rotate, the quantum dot paint in the paint bucket is stirred, the uniformity of quantum dots is ensured, the spraying quality is improved, the metering pump is used to extract the appropriate quantum dot paint according to the area size of the diffusion plate, the quantum dot paint first passes through the filter, and after being filtered by the filter, the quantum dot paint enters the inside of the metering pump, so that the situation that the particles and the adhesive in the paint block the pipeline and the spray head is reduced.
[0014] 2. In the utility model, the water cooling jacket and the heating jacket are respectively sleeved on the outer walls of the first connecting pipe and the second connecting pipe, some quantum dot paints are greatly affected by temperature, for example, the paint whose viscosity is significantly increased at low temperature or the paint which is easily deteriorated at high temperature, the heating jacket sleeved on the outer wall of the second connecting pipe or the water cooling jacket sleeved on the outer wall of the first connecting pipe can be used, so that the quantum dot paint can be kept in the appropriate temperature range, the flowability of the paint is maintained, and the possibility of blockage is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A perspective view of quantum dot diffusion plate quantum dot uniform spraying equipment is provided for the utility model;
[0016] Figure 2 A perspective view of a supporting mechanism in quantum dot diffusion plate quantum dot uniform spraying equipment is provided for the utility model;
[0017] Figure 3 A perspective view of a spraying mechanism in quantum dot diffusion plate quantum dot uniform spraying equipment is provided for the utility model;
[0018] Figure 4 A split view of the spraying mechanism in quantum dot diffusion plate quantum dot uniform spraying equipment is provided for the utility model.
[0019] Legend: 1. Support mechanism; 101. Support base; 102. Bracket; 103. Adjustment component; 2. Spraying mechanism; 201. Paint bucket; 202. Cover plate; 203. Stirring roller; 204. Filter; 205. Metering pump; 206. Control valve; 207. First connecting pipe; 208. Second connecting pipe; 209. Heating jacket; 210. Water-cooling jacket; 211. Spray head; 212. Mounting plate; 213. Fixing ring; 214. Fixing bolt; 215. Motor. Detailed Implementation
[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] Example 1: As Figures 1-4 As shown, this utility model provides a quantum dot diffusion plate quantum dot uniform spraying device, including: a support mechanism 1 and a spraying mechanism 2; the spraying mechanism 2 includes a paint tank 201 and a mounting plate 212, the top of the paint tank 201 is snapped with a cover plate 202, the inside of the cover plate 202 passes through a stirring roller 203, the stirring roller 203 is disposed inside the paint tank 201, a filter 204 is fixedly installed on the outer wall of the paint tank 201, the input end of the filter 204 is fixedly connected to the outer wall of the paint tank 201, the output end of the filter 204 is fixedly connected to a metering pump 205, the output end of the metering pump 205 is fixedly connected to a control valve 206, the control valve 206 is fixedly connected to the outer wall of the paint tank 201, the two output ends of the control valve 206 are respectively connected to a first connecting pipe 207 and a second connecting pipe 208, the outer walls of the first connecting pipe 207 and the second connecting pipe 208 are respectively fitted with a water-cooling jacket 210 and a heating jacket 209.
[0023] The effect achieved by the whole embodiment 1 is that, by clamping the cover plate 202 on the top of the paint bucket 201, sealing the paint bucket 201 with the cover plate 202, inserting the stirring roller 203 through the inside of the cover plate 202, setting the stirring roller 203 in the inside of the paint bucket 201, fixedly installing the motor 215 on the top of the cover plate 202, fixedly connecting the output end of the motor 215 with the top end of the stirring roller 203, stirring the quantum dot paint in the inside of the paint bucket 201 by the motor 215 driving the stirring roller 203, making the quantum dots in the paint uniformly distributed, making the sprayed quantum dots more uniform, fixedly installing the metering pump 205 on the top of the support 102, fixedly installing the filter 204 and the control valve 206 on the outer wall of the paint bucket 201, fixedly connecting the input end of the filter 204 with the outer wall of the paint bucket 201, fixedly connecting the output end of the filter 204 with the input end of the metering pump 205, and then fixedly connecting the output end of the metering pump 205 with the input end of the control valve 206, according to the size of the area of the sprayed diffusion plate, using the metering pump 205 to extract the appropriate quantum dot paint, the quantum dot paint first passes through the filter 204, is filtered by the filter 204, enters the inside of the metering pump 205, and is then delivered to the inside of the control valve 206; then the two output ends of the control valve 206 are respectively communicated with the first connecting pipe 207 and the second connecting pipe 208, according to the properties of the quantum dot paint, the quantum dot paint is delivered to the inside of the first connecting pipe 207 or the second connecting pipe 208 for spraying, the water cooling jacket 210 and the heating jacket 209 are respectively sleeved on the outer walls of the first connecting pipe 207 and the second connecting pipe 208, for some quantum dot paints which are greatly affected by temperature, such as paints with significantly increased viscosity at low temperature, or paints which are easily deteriorated at high temperature, the heating jacket 209 sleeved on the outer wall of the second connecting pipe 208 or the water cooling jacket 210 sleeved on the outer wall of the first connecting pipe 207 can be used for heating or cooling, so that the quantum dot paint can be kept in a suitable temperature range, which is beneficial to keeping the flowability of the paint and reducing the possibility of blockage.
[0024] Embodiment 2: as Figures 1-4As shown, the output ends of the first connecting pipe 207 and the second connecting pipe 208 are fixedly connected with the spray heads 211, and the two ends of the mounting plate 212 are fixedly installed with the fixing rings 213; the inside of the two fixing rings 213 is penetrated and inserted with the fixing bolts 214, and the fixing bolts 214 are threadedly connected with the fixing rings 213; the two spray heads 211 are respectively inserted in the inside of the two fixing rings 213, the top of the paint bucket 201 is fixedly installed with the motor 215, and the output end of the motor 215 is fixedly connected with the top end of the stirring roller 203; the supporting mechanism 1 comprises the supporting base 101, the supporting base 101 is fixedly connected with the supports 102 on the two sides, and the bottom of the support 102 is fixedly provided with the adjusting assembly 103; the bottom of the adjusting assembly 103 is fixedly connected with the top of the mounting plate 212, the paint bucket 201 is fixedly installed on the top of the support 102; the metering pump 205 is fixedly installed on the top of the support 102, and the first connecting pipe 207 and the second connecting pipe 208 are respectively arranged on the two sides of the adjusting assembly 103.
[0025] The whole embodiment 2 achieves the effect that the supports 102 are fixedly connected on the two sides of the supporting base 101, the adjusting assembly 103 is fixedly installed on the top of the support 102, the position of spraying is facilitated to be adjusted, the mounting plate 212 is fixedly connected with the bottom of the adjusting assembly 103, the fixing rings 213 are fixedly installed on the two ends of the mounting plate 212, the fixing bolts 214 are penetrated and inserted in the inside of the fixing rings 213, the fixing bolts 214 are threadedly connected with the fixing rings 213, the spray heads 211 are facilitated to be fixed, and thus the spraying position of the quantum paint is controlled; the motor 215 is fixedly installed on the top of the cover plate 202, the output end of the motor 215 is fixedly connected with the top end of the stirring roller 203, the stirring roller 203 is driven to rotate by the motor 215, the quantum dot paint in the paint bucket 201 is stirred, and the uneven distribution of the quantum dots is avoided.
[0026] Working principle: the device in use, first, by fixing the support base 101 on both sides of the connecting bracket 102, the top of the bracket 102 is fixedly installed adjusting assembly 103, convenient for adjusting the position of spraying, the bottom of the adjusting assembly 103 is fixedly connected with the mounting plate 212, the both ends of the mounting plate 212 are fixedly installed with the fixed ring 213, the fixed bolt 214 is inserted into the inside of the fixed ring 213, the fixed bolt 214 is screwed with the fixed ring 213, which is convenient for fixing the nozzle 211, so as to control the spraying position of quantum coating; secondly, the paint bucket 201 is fixedly arranged on the top of the bracket 102, the cover plate 202 is connected with the top of the paint bucket 201, the cover plate 202 is used for sealing the paint bucket 201, the stirring roller 203 is inserted into the inside of the cover plate 202, the stirring roller 203 is arranged in the inside of the paint bucket 201, the motor 215 is fixedly installed on the top of the cover plate 202, the output end of the motor 215 is fixedly connected with the top end of the stirring roller 203, the motor 215 drives the stirring roller 203 to stir the quantum dot coating in the inside of the paint bucket 201, so that the quantum dots in the coating are uniformly distributed, and the sprayed quantum dots are more uniform; then, the metering pump 205 is fixedly installed on the top of the bracket 102, the filter 204 and the control valve 206 are fixedly installed on the outer wall of the paint bucket 201, the input end of the filter 204 is fixedly communicated with the outer wall of the paint bucket 201, the output end of the filter 204 is fixedly communicated with the input end of the metering pump 205, and the output end of the metering pump 205 is fixedly communicated with the input end of the control valve 206, according to the area size of the diffusion plate, the metering pump 205 is used for extracting appropriate quantum dot coating, the quantum dot coating is firstly filtered by the filter 204, and then enters the inside of the metering pump 205, and then is conveyed to the inside of the control valve 206; finally, the first connecting pipe 207 and the second connecting pipe 208 are respectively communicated with the two output ends of the control valve 206, according to the properties of the quantum dot coating, the quantum dot coating is conveyed into the inside of the first connecting pipe 207 or the second connecting pipe 208 for spraying, the water cooling jacket 210 and the heating jacket 209 are respectively sleeved on the outer walls of the first connecting pipe 207 and the second connecting pipe 208, for some quantum dot coatings which are greatly affected by temperature, such as coatings with significantly increased viscosity at low temperature, or coatings which are easily deteriorated at high temperature, the heating jacket 209 sleeved on the outer wall of the second connecting pipe 208 or the water cooling jacket 210 sleeved on the outer wall of the first connecting pipe 207 can be used for heating or cooling respectively, so that the quantum dot coating can be kept in a suitable temperature range, which is beneficial to keep the flowability of the coating and reduce the possibility of blockage, and then the nozzles 211 are fixedly communicated with the output ends of the first connecting pipe 207 and the second connecting pipe 208, the two nozzles 211 are respectively inserted into the inside of the two fixed rings 213, the nozzles 211 are fixed, and then the position of the nozzles 211 is adjusted by the adjusting assembly 103, so that the quantum dot coating is sprayed on the surface of the diffusion plate.
[0027] The wiring diagram of the filter 204, the metering pump 205 and the motor 215 in the utility model belongs to the common knowledge in the field, and its working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the filter 204, the metering pump 205 and the motor 215 are not explained in detail.
[0028] The above is only the preferred embodiment of the utility model, and is not other forms of the utility model, any skilled person in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model without departing from the technical scheme content of the utility model still belongs to the protection scope of the technical scheme of the utility model.
Claims
1. A quantum dot diffusion plate quantum dot uniform spraying equipment, characterized in that, Include: Supporting mechanism (1) and spraying mechanism (2); The spraying mechanism (2) comprises a paint bucket (201) and a mounting plate (212), the top of the paint bucket (201) is clamped with a cover plate (202), the inside of the cover plate (202) penetrates a stirring roller (203), the stirring roller (203) is arranged in the paint bucket (201), a filter (204) is fixedly installed on the outer wall of the paint bucket (201), the input end of the filter (204) is fixedly communicated with the outer wall of the paint bucket (201), the output end of the filter (204) is fixedly communicated with a metering pump (205), the output end of the metering pump (205) is fixedly communicated with a control valve (206), the control valve (206) is fixedly connected with the outer wall of the paint bucket (201), the two output ends of the control valve (206) are respectively communicated with a first connecting pipe (207) and a second connecting pipe (208), the outer walls of the first connecting pipe (207) and the second connecting pipe (208) are respectively sleeved with a water cooling jacket (210) and a heating jacket (209).
2. The quantum dot diffusion plate quantum dot uniform spraying equipment according to claim 1, characterized in that: The output ends of the first connecting pipe (207) and the second connecting pipe (208) are fixedly communicated with a spray head (211), and the two ends of the mounting plate (212) are fixedly installed with a fixed ring (213).
3. The quantum dot diffusion plate quantum dot uniform spraying equipment according to claim 2, characterized in that: The inside of the two fixed rings (213) penetrates a fixed bolt (214), and the fixed bolt (214) is threadedly connected with the fixed ring (213).
4. The quantum dot diffusion plate quantum dot uniform spraying equipment according to claim 2, characterized in that: Two spray heads (211) are respectively inserted into the inside of the two fixed rings (213), a motor (215) is fixedly installed on the top of the paint bucket (201), and the output end of the motor (215) is fixedly connected with the top end of the stirring roller (203).
5. The quantum dot diffusion plate quantum dot uniform spraying equipment according to claim 1, characterized in that: The supporting mechanism (1) comprises a supporting base (101), the two sides of the supporting base (101) are fixedly connected with a support (102), and the bottom of the support (102) is fixedly provided with an adjusting assembly (103).
6. The quantum dot diffusion plate quantum dot uniform spraying equipment according to claim 5, characterized in that: The bottom of the adjusting assembly (103) is fixedly connected with the top of the mounting plate (212), and the paint bucket (201) is fixedly installed on the top of the support (102).
7. The quantum dot diffusion plate quantum dot uniform spraying equipment according to claim 5, characterized in that: The metering pump (205) is fixedly installed on the top of the support (102), and the first connecting pipe (207) and the second connecting pipe (208) are respectively arranged on the two sides of the adjusting assembly (103).