Water curtain heat dissipation device
By designing a water curtain cooling device in a 3D printer, heat dissipation is achieved by combining water curtain and fan, and dust pollution is solved by an automatic cleaning system, thus achieving efficient heat dissipation and cleaning, reducing water waste, and improving printing quality and efficiency.
Patent Information
- Application Number
- CN202520630232.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-07
AI Technical Summary
In existing 3D printer cooling systems, cooling fans are inefficient and easily blow in dust and impurities, leading to contamination. Improperly positioned water curtain cooling filters result in high pressure loss and are difficult to clean.
Design a water curtain heat dissipation device that uses water inlet pipes in the air box to spray water to form a water curtain, combined with axial flow fans to blow air, filters to block dust, and cleaning brushes to automatically clean, thus realizing the recycling of water.
It improves heat dissipation efficiency, prevents dust contamination, reduces water waste, ensures air circulation, and enhances printing quality and efficiency.
Smart Images

Figure CN223948529U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a heat dissipation technical field more specifically, it is a kind of water curtain heat dissipation device. BACKGROUND
[0002] In 3D printer, in order to print the printing material and print head inside 3D printer, heat dissipation device is used to heat dissipation cooling, for example, prior art publication number CN221249850U, a kind of heat dissipation device of 3D printer, the utility model is set by heat dissipation hole, air outlet slot and the setting of heat dissipation fan, so that heat dissipation fan can heat dissipation to the upper cavity in 3D printer shell, can be accelerated by heat dissipation fan gas flow in 3D printer shell, to improve the heat dissipation effect.
[0003] But the above prior art when using still has the following problems: the heat dissipation fan is used to heat dissipation to 3D printer, and the heat dissipation efficiency of air conduction is low, and dust impurities in external air are easily blown to 3D printer inside by heat dissipation fan, not only easy to contaminate printing material, also can cause pollution to 3D printer inside;In addition, water curtain heat dissipation due to incorrect filter screen air inlet position setting can make more dust cover wet filter screen and cause greater pressure loss and more difficult cleaning, based on this, the utility model provides a kind of water curtain heat dissipation device with good heat dissipation effect. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of water curtain heat dissipation device to solve the problem that heat dissipation fan heat dissipation effect is not good, and blowing is easy to blow dust impurities into 3D printer, causes pollution.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of water curtain heat dissipation device, including wind box, the water inlet pipe and recovery pipe of upper and lower distribution are fixedly penetrated in the one side of wind box, the front end of wind box is connected with net plate, the rear end of wind box is connected with mounting block, two mounting holes are processed in the rear end of mounting block, two mounting holes are all connected with axial flow fan inside, the rear end of mounting block is equipped with cleaning mechanism, the cleaning mechanism includes filter frame, filter screen is fixedly equipped in the inside of filter frame, cleaning brush is equipped in the rear part of filter screen, the cleaning brush is installed on filter frame by drive mechanism.
[0006] In a preferred embodiment, the top inner wall of the wind box is fixedly provided with a semicircular plate, the water inlet pipe is arranged below the semicircular plate, and a plurality of uniformly distributed circular holes are formed on the water inlet pipe and the recovery pipe. The plurality of circular holes can uniformly spray water to form a water curtain.
[0007] In a preferred implementation form, the inner wall of the bottom of the wind box is processed with a recovery groove, the bottom of the recovery groove is processed with a number of communication grooves corresponding to the number of the round holes, the communication grooves are communicated with the round holes on the recovery pipe, and are used for collecting water in the wind box for recycling.
[0008] In a preferred implementation form, the driving mechanism comprises two linear modules, the rear end of the filter frame is processed with two installation grooves on both sides, and the two linear modules are respectively detachably fixed in the two installation grooves; the linear modules are used for driving the cleaning brush to automatically move, so that the surface of the filter screen can be automatically cleaned without manual cleaning, and the use is more time-saving and labor-saving.
[0009] In a preferred implementation form, the outer wall of the wind box is fixed with a plurality of uniformly distributed spring latches on both sides, the outer wall of the screen plate is processed with a number of insertion grooves corresponding to the number of the spring latches, the spring latches are inserted into the insertion grooves, and the screen plate can be quickly disassembled by pulling the spring latches out of the insertion grooves for maintenance of the screen plate and the wind box.
[0010] In a preferred implementation form, the rear end of the wind box is detachably connected with a water tank, the water tank is arranged below the installation block and the linear module, two water pumps are installed on the water tank, and the two water pumps are respectively communicated with the water inlet pipe and the recovery pipe; the two water pumps are used for sucking water, so that the water can be recycled.
[0011] The technical effects and advantages of the utility model are as follows:
[0012] 1. The water inlet pipe in the wind box sprays water to form a water curtain, and the axial flow fan is used to blow air into the wind box, so that the mixture of wind and water mist is sprayed into the 3D printer, the heat generated in the printing process is taken away, the heat dissipation of the printed object and the printing nozzle is realized, and the filter screen can block dust and impurities from polluting the inside of the 3D printer.
[0013] 2. The water in the wind box is collected by the recovery groove, flows into the recovery pipe through a plurality of communication grooves, and is then sucked by the water pump and transported to the water tank through the recovery pipe for recycling, so that the waste of water resources is reduced. DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.
[0015] Figure 1 The whole structure schematic view of the present utility model is shown in the figure.
[0016] Figure 2 The net plate and the wind box structure schematic view of the present utility model is shown in the figure.
[0017] Figure 3 The rear view of the whole structure of the present utility model is shown in the figure.
[0018] Figure 4 The wind box and the mounting block sectional view of the present utility model is shown in the figure.
[0019] Figure 5 The cleaning mechanism structure schematic view of the present utility model is shown in the figure.
[0020] Figure 6 The water tank sectional view of the present utility model is shown in the figure.
[0021] The figure mark is: 1, the wind box; 2, the water inlet pipe; 3, the recovery pipe; 4, the net plate; 5, the mounting block; 6, the mounting hole; 7, the axial flow fan; 8, the cleaning mechanism; 9, the semicircular plate; 10, the round hole; 11, the recovery groove; 12, the communication groove; 13, the spring bolt; 14, the slot; 15, the water tank; 16, the water pump;
[0022] 81, the filter frame; 82, the filter screen; 83, the cleaning brush; 84, the driving mechanism; 841, the linear module; 842, the mounting slot. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the present utility model.
[0024] Referring to the drawings in the description Figures 1-6 The present utility model provides a kind of water curtain heat sink, including wind box 1, the water inlet pipe 2 and recovery pipe 3 are fixedly penetrated with upper and lower distribution on one side of the wind box 1, semicircular plate 9 is fixedly arranged on the top inner wall of the wind box 1, the water inlet pipe 2 is arranged below semicircular plate 9, a plurality of evenly distributed round holes 10 are machined on the water inlet pipe 2 and recovery pipe 3, recovery groove 11 is machined on the bottom inner wall of the wind box 1, the same number of communication grooves 12 as round hole 10 are machined on the bottom of recovery groove 11, and the communication groove 12 is communicated with the round hole 10 on the recovery pipe 3.
[0025] Another embodiment, replace the round hole 10 arranged on the water inlet pipe 2 and recovery pipe 3 with slit nozzle to form continuous water film. Another embodiment, replace the round hole 10 arranged on the water inlet pipe 2 and recovery pipe 3 with slit nozzle to form continuous water film.
[0026] Then, the water tank 15 is detachably connected to the rear end of the wind box 1, two water pumps 16 are installed on the water tank 15, the water pump 16 is selected as Guder 16CQ-8F, and the two water pumps 16 are respectively connected with the water inlet pipe 2 and the recovery pipe 3, and the water pump 16 realizes the functions of water supply and water recovery, so as to realize the recycling of water.
[0027] In order to avoid the printing material in the 3D printer from falling into the wind box 1 accidentally, the screen plate 4 is connected to the front end of the wind box 1, a plurality of spring pins 13 are fixedly penetrated through the outer walls on both sides of the wind box 1, and the plurality of spring pins 13 located on one side of the wind box 1 are arranged between the water inlet pipe 2 and the recovery pipe 3, the outer walls on both sides of the screen plate 4 are processed with the same number of insertion grooves 14 as the spring pins 13, the spring pins 13 are inserted into the insertion grooves 14, and the staff can quickly take down the screen plate 4 for maintenance by pulling out the spring pins 13 from the insertion grooves 14.
[0028] The mounting block 5 is connected to the rear end of the wind box 1, two mounting holes 6 are processed at the rear end of the mounting block 5, and the shaft flow fan 7 is connected inside the two mounting holes 6, and the shaft flow fan 7 is selected as Yishengxiang t35. In addition, in another embodiment, the shaft flow fan 7 connected inside the mounting hole 6 is replaced by a mixed flow fan, which has higher pressure and lower noise.
[0029] In actual use, the staff first installs the wind box 1 on the 3D printer, then connects the water inlet pipe 2 and the recovery pipe 3 with the water pump 16, uses the water pump 16 to supply water to the water inlet pipe 2, the water sprayed from the plurality of round holes 10 contacts with the inner wall of the semicircular plate 9, the water flow vertically falls along the inner wall of the semicircular plate 9 to form a front and rear water curtain, at the same time, the two shaft flow fans 7 blow air into the wind box 1, the wind carries the water mist to spray towards the 3D printer through the screen plate 4, so as to take away the heat generated in the printing process, realize the heat dissipation of the printing material and the printing nozzle, and solve the performance change problem of the material caused by high temperature in the 3D printing process, thereby improving the printing quality and efficiency, the water falling into the recovery tank 11 flows into the recovery pipe 3 through the plurality of communication grooves 12, and then is sucked and transported into the water tank 15 by the water pump 16, and then is transported into the water inlet pipe 2 by the water pump 16 for recycling, so as to reduce the waste of water resources.
[0030] In this embodiment, as shown in Figure 3 and Figure 5 The mounting block 5 is provided with a cleaning mechanism 8 at the rear end, the cleaning mechanism 8 comprises a filter frame 81, the filter frame 81 is fixedly provided with a filter screen 82 inside, and the filter screen 82 is provided with a cleaning brush 83 at the rear part.
[0031] And, the cleaning brush 83 is installed on the filter frame 81 through a driving mechanism 84, specifically, the driving mechanism 84 comprises two linear modules 841, the linear module 841 selects MAMMERSI GF40, the linear module can effectively block dust, water droplets, avoid the dust and impurities scraped off by the cleaning brush 83 from falling into the linear module, avoid the guide rail part from rusting, the filter frame 81 rear end both sides are processed with installation groove 842, two linear modules 841 are respectively detachably fixed in two installation grooves 842, the cleaning brush 83 is driven to move automatically by the linear module 841, so that the surface of the filter screen 82 can be automatically cleaned, and it is more convenient to use, the water tank 15 is arranged below the installation block 5 and the linear module 841.
[0032] By setting the filter frame 81 at the rear end of the installation block 5, the filter screen 82 in the filter frame 81 can block dust and impurities from the outside, and the fan protection priority principle makes the filter screen be arranged on the air inlet side of the fan, so that dust and impurities are prevented from being blown into the 3D printer and causing pollution, especially when the total dissolved solids in water are large in the 3D printing environment, the wear rate of the fan impeller is doubled, and only the filter screen is blocked outside to be treated frequently.
[0033] Each embodiment in the specification is described in a related manner, and the same and similar parts between each embodiment can be referred to each other, and each embodiment mainly explains the difference from other embodiments.
[0034] The above only describes the preferred embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model are included in the protection scope of the utility model.
Claims
1. A water curtain heat sink comprising a wind box (1), characterized in that: The wind box (1) is fixed with water inlet pipe (2) and recovery pipe (3) which are distributed vertically on one side; The wind box (1) is connected with the net plate (4) at the front end, and the mounting block (5) is connected at the rear end of the wind box (1), two mounting holes (6) are processed at the rear end of the mounting block (5), and the shaft flow fan (7) is connected inside the two mounting holes (6); The mounting block (5) is provided with a cleaning mechanism (8) at the rear end, the cleaning mechanism (8) comprises a filter frame (81), the filter frame (81) is fixedly provided with a filter screen (82) inside, the filter screen (82) is provided with a cleaning brush (83) at the rear part, and the cleaning brush (83) is installed on the filter frame (81) through the driving mechanism (84).
2. A water curtain heat sink as claimed in claim 1, wherein: The wind box (1) is fixed with a semicircular plate (9) on the top inner wall, the water inlet pipe (2) is arranged below the semicircular plate (9), and a plurality of uniformly distributed circular holes (10) are processed on the water inlet pipe (2) and the recovery pipe (3).
3. A water curtain heat sink as defined in claim 2, wherein: The bottom inner wall of the wind box (1) is processed with a recovery groove (11), the bottom of the recovery groove (11) is processed with a plurality of communication grooves (12) which are same in number with the circular holes (10), and the communication grooves (12) are communicated with the circular holes (10) on the recovery pipe (3).
4. A water curtain heat sink as defined in claim 1, wherein: The driving mechanism (84) comprises two linear modules (841), the rear end of the filter frame (81) is processed with a mounting groove (842) on both sides, and the two linear modules (841) are respectively detachably fixed in the two mounting grooves (842).
5. A water curtain heat sink as defined in claim 1, wherein: The outer wall of the wind box (1) is fixed with a plurality of uniformly distributed spring latches (13) on both sides, and the plurality of spring latches (13) on one side of the wind box (1) are arranged between the water inlet pipe (2) and the recovery pipe (3), the outer wall of the net plate (4) is processed with a plurality of insertion grooves (14) which are same in number with the spring latches (13) on both sides, and the spring latches (13) are inserted into the insertion grooves (14).
6. A water curtain heat sink as defined in claim 4, wherein: The rear end of the wind box (1) is detachably connected with the water tank (15), the water tank (15) is arranged below the mounting block (5) and the linear module (841), and the water tank (15) is provided with two water pumps (16), and the two water pumps (16) are communicated with the water inlet pipe (2) and the recovery pipe (3) respectively.
Citation Information
Patent Citations
Heat dissipation device of 3D printer
CN221249850U