CN221268629U - Spraying device for surface of heat conduction test sample - Google Patents
Spraying device for surface of heat conduction test sample Download PDFInfo
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- CN221268629U CN221268629U CN202322897488.XU CN202322897488U CN221268629U CN 221268629 U CN221268629 U CN 221268629U CN 202322897488 U CN202322897488 U CN 202322897488U CN 221268629 U CN221268629 U CN 221268629U
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- air suction
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- 238000005507 spraying Methods 0.000 title claims abstract description 122
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 58
- 239000007921 spray Substances 0.000 claims abstract description 24
- 230000007306 turnover Effects 0.000 claims abstract description 22
- 238000003860 storage Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000013100 final test Methods 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Spray Control Apparatus (AREA)
Abstract
The utility model relates to the field of detection of heat conduction performance of materials, in particular to a spraying device for a heat conduction test sample surface, which comprises a base, a spraying bin, a storage device, a material chamber and a spraying structure, wherein a material tank and a material conveying pipe are arranged in the material chamber, the spraying structure comprises a spray head and a shifter, one end of the material conveying pipe is connected with the material tank, the other end of the material conveying pipe is connected with the spray head, the shifter moves in the spraying bin, the base comprises a base, a base cavity, a collecting bin, an air suction fan and an air suction port, the base cavity is arranged on the base and communicated with the spraying bin, the collecting bin is arranged in the base cavity, the air suction fan sucks air in the collecting bin through the air suction port, the storage device comprises a support, a sample frame and a turnover motor, the sample frame is rotationally connected with the support, and the turnover motor drives the sample frame to rotate, and a sample is fixed on the sample frame. Through the design, samples with different specifications can be firmly fixed in the sample rack in batches for use, the sample rack is driven to automatically overturn, the damage of a coating is avoided, and the spraying efficiency is improved.
Description
Technical Field
The utility model relates to the field of detection of heat conduction performance of materials, in particular to a spraying device for the surface of a heat conduction test sample.
Background
With the continuous development of society and the continuous progress of technology, the appearance of novel materials makes the requirements of performance detection such as thermal performance analysis of the materials increasingly higher. Currently, instruments and methods for measuring thermal conductivity are diverse, and among them, laser thermal conductivity is the most commonly used method for testing thermal conductivity of materials. However, when the thermal diffusivity of a material is tested by the laser thermal conductivity method, the test result is affected by a plurality of factors, although the time required for the test is relatively short. These factors include, but are not limited to, the thickness of the test sample, the surface quality, the conditions under which the sample is prepared, and the like. The presence of these influencing factors has a significant impact on the accuracy of the final test results.
In the pretreatment process of the sample, graphite needs to be sprayed on both sides of the sample to be tested. The purpose of this step is to form a uniform and dense film on the sample surface to increase the absorption ratio of light energy and the infrared emissivity of the sample surface. However, the thickness of the graphite coating needs to be moderately controlled. The thermal resistance of the graphite layer and the interface layer is not negligible, which has a direct impact on the accuracy of the final test results.
Notably, pretreatment of samples in the current industry relies primarily on manual spraying. This method has problems such as uneven coating, poor repeatability, low efficiency, and no guarantee of spray quality. More serious, graphite is a conductive material, and once falling on components such as a circuit board of equipment, potential safety hazards such as short circuit are easily caused. In the existing spraying mode, no special sample surface treatment equipment for the heat conduction test in a laboratory exists at present. The existing paint spraying assembly line can realize spraying, but has high manufacturing cost and large volume, and cannot be applied in laboratory environment. In addition, these devices also fail to ensure uniform spraying of the graphite spray. Therefore, an automatic spraying device suitable for laboratory conditions is developed to improve the spraying quality of samples, solve the problems of uncertainty and potential safety hazards caused by manual spraying and non-uniformity in the sample spraying process, and improve the reliability and accuracy of test results, which is a problem to be solved urgently at present.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model aims at: the utility model provides a sample surface spraying equipment that uses under laboratory condition, can solve the spray material homogeneity that appears in the sample surface spraying process in the heat conduction test, repeatability is poor, has the problem of potential safety hazard, can improve sample surface spray material's homogeneity, and degree of automation is high, reduces the uncertain factor that the manual operation produced in the spraying process, improves work efficiency, sample spraying device that can be quick, even form one deck compact film on sample surface.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a spraying device for heat conduction test sample surface, includes base, spraying storehouse, puts thing ware, material room, spraying structure, the material room sets up the side in spraying storehouse, be provided with material jar, conveying pipeline in the material room, the spraying structure includes shower nozzle, shifter, conveying pipeline one end with the material jar is connected, the other end with the shower nozzle is connected, the shifter is in the spraying storehouse is interior, the shower nozzle is installed on the shifter, the base includes base, base chamber, collects storehouse, suction fan, induction port, the induction port sets up on the lateral wall in collection storehouse, the base with the bottom in spraying storehouse is connected, the base chamber sets up with the spraying storehouse link up, it is in to collect the storehouse the base intracavity, the suction fan will collect the gas suction in the storehouse, the top in spraying storehouse is provided with the air inlet, the thing ware includes support, sample frame, upset motor, the support is fixed the inside in storehouse, the spraying frame with the upset motor is connected the bottom in spraying storehouse, the sample frame drives.
The spraying device for the surface of the heat conduction test sample further comprises a control structure, the control structure comprises a controller, a moving signal receiver and a turnover signal receiver, the moving signal receiver is connected with a mover, the turnover signal receiver is connected with a turnover motor, the controller sends signals to the moving signal receiver to control the mover to move, and the controller sends signals to the turnover signal receiver to control the turnover motor to be turned on or off.
The spraying device for the surface of the heat conduction test sample comprises a guide rail, a transmission shaft, a sliding block and a servo motor, wherein the guide rail is connected with the inner surface of the spraying bin, the servo motor drives the transmission shaft to rotate, the sliding block slides on the guide rail under the action of the transmission shaft, and the spray head is installed on the sliding block.
According to the spraying device for the surface of the heat conduction test sample, the screen mesh is arranged between the base cavity and the spraying bin.
The spraying device for the surface of the heat conduction test sample comprises a rotating shaft and clamping plates, wherein the rotating shaft is arranged on two sides of the clamping plates, the rotating shaft is connected with the overturning motor, the clamping plates clamp the sample, the support comprises a support plate and a shaft groove, the rear end of the support plate is connected with the side wall of the spraying bin, the shaft groove is formed in the front end of the support plate, and the rotating shaft is clamped in the shaft groove.
The spraying device for the surface of the heat conduction test sample is characterized in that a magnetic stirrer is further arranged in the material chamber, and the material tank is placed above the magnetic stirrer.
The spraying device for the surface of the heat conduction test sample further comprises a cleaner, the cleaner comprises a cleaning pump, a cleaning pipe and a cleaning pool, cleaning liquid is arranged in the cleaning pool, the cleaning pump is placed in the cleaning pool, one end of the cleaning pipe is connected with the cleaning pump, and the other end of the cleaning pipe is connected with the conveying pipe.
The spraying device for the surface of the heat conduction test sample is characterized in that the one-way valve is arranged at the air inlet and comprises a baffle plate, a rotating rod and a rotating hole, the rotating hole is fixed above the air inlet, the baffle plate is fixedly connected with the rotating rod, the rotating rod is rotatably arranged in the rotating hole, and the area of the baffle plate is larger than that of the air inlet.
The spraying device for the surface of the heat conduction test sample has the beneficial effects that: through miniaturized desktop design of spraying device, can realize the use in the little space laboratory, through using the sample frame, can be with the sample of different specifications firmly be fixed in the sample frame in batches and use, through using the upset motor, can drive the sample frame and overturn voluntarily, avoid manual upset to the damage of sample surface coating, improve spraying efficiency. Through the control of the control structure, the spraying mode can be stored in the equipment in a programmed mode preset in advance, uncertain factors of different operators and samples under different environmental conditions during spraying can be greatly reduced, and a layer of compact film can be formed on the surface of the sample rapidly and uniformly. Through the use of the air suction fan, the spraying material in the spraying bin can be downwards adsorbed, so that the spraying material in the spraying bin is prevented from floating everywhere, and potential safety hazards are caused. Through using the shifter, control shower nozzle left and right movement in the spraying storehouse, the sample on the sample frame of being convenient for carries out the left and right spraying.
Drawings
FIG. 1 is a schematic cross-sectional view of a three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic side view of the material chamber of the present utility model;
FIG. 4 is a schematic diagram of the front side structure of the present utility model;
FIG. 5 is a schematic cross-sectional plan view of a sample holder of the present utility model.
Reference numerals illustrate: the device comprises a base 10, a base 11, a base cavity 12, a collecting bin 13, an air suction fan 14, an air suction port 15, a screen 16, a spraying bin 20, a transparent material 21, an air inlet 22, a baffle plate 23, a rotating rod 24, a rotating hole 25, a storage device 30, a support 31, a support plate 311, an axle groove 312, a sample frame 32, a rotating axle 321, a clamping plate 322, a turnover motor 33, a material chamber 40, a material tank 41, a material conveying pipe 42, a magnetic stirrer 43, a bottle stopper 44, an air inlet pipe 45, a protection chain 46, a spraying structure 50, a spray head 51, a sliding block 54, a servo motor 55, a controller 60 and a sample 70.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the technical scheme of the present utility model will be described below with reference to the detailed description and the accompanying drawings.
As shown in fig. 1 to 5, a spraying device for a surface of a thermal conduction test sample comprises a base 10, a spraying bin 20, a material placing device 30, a material chamber 40 and a spraying structure 50, wherein the spraying bin is of a box-type structure with an opening at the lower part, transparent materials 21 for observing the inside are arranged on the side surface of the spraying bin, the transparent materials can be glass or transparent synthetic materials, the spraying structure and the material placing device are arranged in the spraying bin, the base is arranged at the opening at the lower part of the spraying bin, the material chamber is arranged on the side surface of the spraying bin, the material chamber provides spraying materials for the spraying structure, and the sample 70 completes surface spraying in the spraying bin. The top in spraying storehouse is provided with air inlet 22, in order to ensure that dust can not get into inside the spraying storehouse during non-use, and air inlet department is provided with the check valve, and the check valve uses simple structure, sets up the inboard at the air inlet, prevents that the air current from flowing in opposite directions, and the check valve includes separation blade 23, bull stick 24, change hole 25, changes the hole to fix in the top of air inlet, separation blade and bull stick fixed connection, and the bull stick rotates to be installed in changeing the hole, and the area of separation blade is greater than the area of air inlet. After the whole is combined together, the spraying device is basically in a sealed state. The sealing strip is used at the contact position of the baffle and the spraying bin to improve the sealing effect.
The material room sets up in the side in spraying storehouse, is provided with material jar 41, conveying pipeline 42, magnetic stirrer 43 in the material room, and the material jar is placed in the magnetic stirrer top. The material jar, conveying pipeline, magnetic stirrer one-to-one set up, according to the different forms of spraying, the material jar can be provided with a plurality ofly, stores a spraying liquid in every material jar, and the one end and the material jar of conveying pipeline are connected, and the lateral wall that the spraying storehouse was passed to the other end extends in to the spraying storehouse, and the opening part of material jar is provided with bottle plug 44, is provided with air inlet and liquid outlet on the bottle plug, and the liquid outlet is connected with the conveying pipeline, and air inlet department has inserted intake pipe 45, prevents negative pressure in the material jar. And the joint of the conveying pipe and the side wall of the spraying bin is enhanced by using a sealing strip or sealant. To protect the feed conveyor pipe, a removable protective chain 46 may be wrapped around the outside of the feed conveyor pipe.
The spraying structure includes shower nozzle 51, the shifter, the other end and the shower nozzle of the conveying pipeline that gets into the spraying storehouse are connected, and the shifter removes in the spraying storehouse, and the shower nozzle is installed on the shifter, and the shifter includes guide rail, transmission shaft, slider 54, servo motor 55, and the guide rail is connected with the internal surface in spraying storehouse, and servo motor drive transmission shaft rotates, and the slider slides on the guide rail under the effect of transmission shaft, and the shower nozzle is installed on the slider. The spray head and the sliding block can be connected by using a universal joint for adjusting the direction of the spray head, and the spray head uses a self-suction spray head for sucking out spraying liquid from the material tank. The spray head and the universal joint are both constructed using prior art techniques and are not described in detail herein.
The base includes base 11, base chamber 12, collects storehouse 13, suction fan 14, induction port 15, and the induction port sets up on collecting the lateral wall in storehouse, and the base is connected with the bottom in spraying storehouse, and the base chamber sets up on the base and link up with the spraying storehouse, collects the storehouse and places in the base intracavity, and the suction fan will collect the gaseous suction in the storehouse through the induction port, is provided with the screen cloth 16 of having a take the altitude of latticed between base chamber and the spraying storehouse, and the screen cloth can guarantee that unnecessary dust falls to the collection storehouse of bottom voluntarily in the spraying process. The bottom of the base is fixedly provided with an anti-slip bottom pad with anti-slip lines and used for preventing the spraying device from moving in the using process. Sealing strips can be used on two sides of the collecting bin to strengthen the sealing effect.
The air suction port and the air inlet are oppositely arranged on the whole, namely, the air suction port and the air inlet are arranged on the opposite sides of the spraying bin, when the air suction fan is used for exhausting air, air flow is guaranteed to flow only in one direction through the one-way valve arranged on the air inlet, when the air suction fan starts to work, the baffle of the one-way valve is pushed open, the air flow enters the spraying bin, and when the air suction fan stops working, the baffle of the one-way valve rotates around the hole under the self gravity, and is automatically closed to prevent the air flow from flowing in the opposite direction and keep the cleanliness inside the box.
Through the structure, the residual dust in the spraying bin can be pumped into the collecting bin in the spraying process, so that the safety coefficient is improved.
The object placing device comprises a bracket 31, a sample rack 32 and a turnover motor 33, wherein the bracket is fixed in the spraying bin, the sample rack is rotationally connected with the bracket, the turnover motor drives the sample rack to rotate, and the sample is fixed on the sample rack. The sample frame includes pivot 321, splint 322, and the pivot is installed in the both sides of splint, and the pivot is connected with the upset motor, and splint clamp sample, and the support includes mounting panel 311, axle groove 312, and the rear end and the lateral wall in spraying storehouse of mounting panel are connected, and the axle groove sets up at the front end of mounting panel, and the pivot cutting ferrule is in the axle groove.
Further, in order to improve the automation degree of the spraying device, the spraying device further comprises a control structure, the control structure comprises a controller 60, a moving signal receiver and a turnover signal receiver, the moving signal receiver is connected with the mover, the turnover signal receiver is connected with the turnover motor, the controller sends signals to the moving signal receiver to control the mover to move, and the controller sends signals to the turnover signal receiver to control the turnover motor to be turned on or off.
Further, in order to be convenient for clear up material jar and conveying pipeline and shower nozzle, spraying device still includes the purger, and the purger can be external, also can dispose the use in the material room, and specific purger includes wash pump, wash pipe, washs the pond, is provided with the washing liquid in the washpond, and the wash pump is placed in wasing the pond, and wash pipe one end is connected with the wash pump, and the other end is used for being connected with the conveying pipeline. Through using the purger, can wash conveying pipeline and shower nozzle immediately after the spraying is accomplished, prevent that the clout from piling up the nozzle that blocks up the shower nozzle, influence spraying quality, guaranteed holistic spraying effect.
The spraying device recorded in the scheme is provided with a stable base, a box type spraying bin used for spraying operation, and a set of centralized modularized control structure used for providing a material chamber of spraying liquid. The box type spraying bin is placed on the base, and has excellent bearing performance and expandability.
The above embodiments are only for illustrating the structural concept and features of the present utility model, and are intended to enable those skilled in the art to understand the contents of the present utility model and implement the same, not to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the essence of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. A spraying device for heat conduction test sample surface, its characterized in that: the device comprises a base, a spraying bin, a storage device, a material chamber and a spraying structure, wherein the material chamber is arranged on the side face of the spraying bin, a material tank and a material conveying pipe are arranged in the material chamber, the spraying structure comprises a spray head and a shifter, one end of the material conveying pipe is connected with the material tank, the other end of the material conveying pipe is connected with the spray head, the shifter moves in the spraying bin, the spray head is arranged on the shifter, the base comprises a base, a base cavity, a collecting bin, an air suction fan and an air suction opening, the air suction opening is arranged on the side wall of the collecting bin, the base is connected with the bottom of the spraying bin, the base cavity is arranged on the base and is communicated with the spraying bin, the collecting bin is placed in the base cavity, the air suction fan sucks air in the collecting bin through the air suction opening, the air inlet is arranged above the spraying bin, the storage device comprises a support, a sample frame and a turnover motor, the support is fixed in the spraying bin, the sample frame is rotationally connected with the support, and the turnover motor drives the sample frame to rotate and fix the sample frame on the sample frame.
2. The spray device for thermally conductive test specimen surfaces of claim 1 wherein: the spraying device further comprises a control structure, the control structure comprises a controller, a moving signal receiver and a turnover signal receiver, the moving signal receiver is connected with the mover, the turnover signal receiver is connected with the turnover motor, the controller sends signals to the moving signal receiver to control the mover to move, and the controller sends signals to the turnover signal receiver to control the turnover motor to be turned on or off.
3. The spray device for thermally conductive test specimen surfaces of claim 1 wherein: the shifter comprises a guide rail, a transmission shaft, a sliding block and a servo motor, wherein the guide rail is connected with the inner surface of the spraying bin, the servo motor drives the transmission shaft to rotate, the sliding block slides on the guide rail under the action of the transmission shaft, and the spray head is installed on the sliding block.
4. A spray device for thermally conductive test specimen surfaces as set forth in claim 3 wherein: a screen is arranged between the base cavity and the spraying bin.
5. The spray device for thermally conductive test specimen surfaces of claim 4 wherein: the sample rack comprises a rotating shaft and clamping plates, the rotating shaft is arranged on two sides of the clamping plates, the rotating shaft is connected with the overturning motor, the clamping plates clamp the sample, the support comprises a support plate and a shaft groove, the rear end of the support plate is connected with the side wall of the spraying bin, the shaft groove is formed in the front end of the support plate, and the rotating shaft clamping sleeve is arranged in the shaft groove.
6. The spray device for thermally conductive test specimen surfaces of claim 5 wherein: and a magnetic stirrer is further arranged in the material chamber, and the material tank is placed above the magnetic stirrer.
7. The spray device for thermally conductive test specimen surfaces of claim 6 wherein: the spraying device further comprises a cleaner, the cleaner comprises a cleaning pump, a cleaning pipe and a cleaning pool, cleaning liquid is arranged in the cleaning pool, the cleaning pump is placed in the cleaning pool, one end of the cleaning pipe is connected with the cleaning pump, and the other end of the cleaning pipe is connected with the conveying pipe.
8. The spray device for thermally conductive test specimen surfaces of claim 6 wherein: the air inlet is provided with a one-way valve, the one-way valve comprises a baffle plate, a rotating rod and a rotating hole, the rotating hole is fixed above the air inlet, the baffle plate is fixedly connected with the rotating rod, the rotating rod is rotatably arranged in the rotating hole, and the area of the baffle plate is larger than that of the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322897488.XU CN221268629U (en) | 2023-10-27 | 2023-10-27 | Spraying device for surface of heat conduction test sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322897488.XU CN221268629U (en) | 2023-10-27 | 2023-10-27 | Spraying device for surface of heat conduction test sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221268629U true CN221268629U (en) | 2024-07-05 |
Family
ID=91703360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322897488.XU Active CN221268629U (en) | 2023-10-27 | 2023-10-27 | Spraying device for surface of heat conduction test sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221268629U (en) |
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2023
- 2023-10-27 CN CN202322897488.XU patent/CN221268629U/en active Active
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