A drying device for preparing ceramic powder of electronic components

Abstract

The present invention discloses a drying device for preparing ceramic powder of electronic components, which relates to the technical field of drying devices. It includes a base, and a mounting frame is fixedly connected to the top of the base. A drying tank is arranged between the base and the mounting frame. A material cylinder is arranged at the top of the base. An anti-sticking wall heat exchange and cleaning device is arranged between the drying tank and the material cylinder. The anti-sticking wall heat exchange and cleaning device includes: a lifting mechanism, a cleaning and heat exchange mechanism, a pipeline opening and closing mechanism, and a flushing mechanism. By using the setting method of the cooperation of the lifting mechanism, the cleaning and heat exchange mechanism, the pipeline opening and closing mechanism, and the flushing mechanism, the lifting mechanism can not only enable the cleaning and heat exchange mechanism to clean the inner wall of the drying tank, but also exchange the heat inside the drying tank through water flow, and preheat the ceramic powder slurry inside the material cylinder, avoiding the waste of energy, saving the cleaning cost, prolonging the service life of the drying device, and being convenient for use.

Description

Technical Field

[0001] The present invention relates to the technical field of drying devices, and particularly relates to a drying device for preparing ceramic powder for electronic components. Background Art

[0002] Ceramic powder for electronic components is a ceramic raw material used to manufacture electronic components. It has characteristics such as high hardness, high melting point, and good chemical stability. Common ones include ceramic powders such as alumina and zirconia. Through processes such as molding and sintering, ceramic substrates, capacitors, sensors and other electronic components are made, playing an important role in the electronics industry.

[0003] Traditional ceramic powder is prepared by spray drying process. When preparing ceramic powder by drying, the ceramic diluent is pressurized and atomized by a pressure pump mechanism and then sprayed into the drying chamber through a nozzle to contact with hot air for drying and preparation. Currently, in this process, the high-temperature air used by the spray drying device only plays the role of evaporating and drying the slurry, and is not effectively utilized in other aspects, which causes a certain degree of energy waste. Moreover, part of the powder formed after drying adheres to the inner wall of the drying device and the atomizing nozzle, which is inconvenient to clean, increases the cleaning cost, and affects the service life of the drying device. Summary of the Invention

[0004] The purpose of the present invention is to provide a drying device for preparing ceramic powder for electronic components to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A drying device for preparing ceramic powder for electronic components, including a base, a mounting frame is fixedly connected to the top of the base, a drying tank is arranged between the base and the mounting frame, a material cylinder is arranged at the top of the base, an atomizing nozzle for spraying the slurry inside the material cylinder is arranged inside the drying tank, an anti-sticking wall heat exchange and cleaning device is arranged between the drying tank and the material cylinder, and a drying mechanism for blowing hot air into the drying tank is arranged at the top of the mounting frame. The drying mechanism includes:

[0006] A heating box, the heating box is fixedly connected to the top of the mounting frame;

[0007] An air inlet pipe, the air inlet pipe is fixedly inserted and connected to the air outlet end of the heating box;

[0008] An air inlet box, the air inlet box is fixedly sleeved outside the drying tank, the other end of the air inlet pipe is fixedly inserted and connected to the air inlet box, and air inlet holes communicating with the air inlet box are equidistantly opened at the top of the drying tank.

[0009] Preferably, the anti-sticking wall heat exchange and cleaning device includes:

[0010] A lifting mechanism, wherein the lifting mechanism is arranged at the top end of the mounting frame;

[0011] A cleaning heat exchange mechanism, which is arranged inside the drying tank and is used to clean the inner wall of the drying tank;

[0012] A pipeline opening and closing mechanism, which is arranged between the lifting mechanism and the cleaning and heat exchanging mechanism and is used to control the direction of water flow;

[0013] The flushing mechanism is connected to the cleaning and heat exchange mechanism and is used for spraying water to the atomizing nozzle.

[0014] Preferably, the lifting mechanism comprises:

[0015] A fixing frame, the fixing frame is fixedly connected to the top end of the mounting frame;

[0016] A driving rod, the driving rod being rotatably disposed between the mounting frame and the fixing frame;

[0017] A lifting plate, wherein the lifting plate and the driving rod form a screw transmission;

[0018] A slide bar, one end of which is fixedly connected to the mounting frame, the other end of which is fixedly connected to the top of the inner wall of the fixing frame, and the lifting plate is slidably connected to the slide bar;

[0019] The first motor is fixedly mounted on the top of the fixing frame, and the output end of the first motor is drivingly connected to the driving rod.

[0020] Preferably, the cleaning and heat exchanging mechanism comprises:

[0021] A scraper ring, which is arranged inside the drying tank, and has an annular inclined surface at the top and bottom of the scraper ring;

[0022] A lifting rod, one end of which is fixedly connected to the top of the scraper ring at an equal distance, and the other end of which is fixedly connected to the bottom of the lifting plate at an equal distance;

[0023] A heat exchange rod, wherein a first heat exchange cavity is provided inside the scraper ring, one end of the heat exchange rod is equidistantly arranged inside the first heat exchange cavity, and the other end of the heat exchange rod is equidistantly fixedly interlaced with the scraper ring;

[0024] A pipeline connection assembly, wherein a second heat exchange chamber is provided inside the material barrel, the second heat exchange chamber is spiral-shaped, the pipeline connection assembly is arranged between the scraper ring and the material barrel, and is used to connect the first heat exchange chamber with the second heat exchange chamber, and a thermometer is arranged at the top of the material barrel;

[0025] The bottom cleaning component is arranged inside the drying tank and is used for cleaning the inner wall of the bottom of the drying tank.

[0026] Preferably, the pipeline connection assembly includes:

[0027] A first connecting pipe, one end of the first connecting pipe is fixedly inserted and connected to the material cylinder;

[0028] A valve body, the other end of the first connecting pipe is fixedly inserted and connected to the valve body;

[0029] A second connecting pipe, one end of the second connecting pipe is fixedly inserted and connected to the valve body, and the other end of the second connecting pipe passes through the lifting plate and the drying tank and is fixedly inserted and connected to the scraping ring;

[0030] A pump body, the pump body is fixedly installed on the outer wall of the material cylinder;

[0031] A third connecting pipe, one end of the third connecting pipe is fixedly inserted and connected to the output end of the pump body, and the other end of the third connecting pipe passes through the lifting plate and the drying tank and is fixedly inserted and connected to the scraping ring;

[0032] A water inlet pipe, the water inlet pipe is fixedly inserted and connected to the valve body;

[0033] A valve rod, the valve rod is rotatably arranged outside the valve body, and the cross section of the valve rod is L-shaped;

[0034] A corrugated pipe, the corrugated pipe is sleeved outside the lifting rod, the second connecting pipe and the third connecting pipe.

[0035] Preferably, the bottom cleaning assembly includes:

[0036] A second motor, the second motor is fixedly installed at the top of the base;

[0037] A gearbox, the gearbox is fixedly connected between the base and the drying tank, and the output end of the second motor is in transmission connection with the gearbox;

[0038] A rotating rod, the output end of the gearbox is in transmission connection with the rotating rod, and the rotating rod is rotatably arranged between the drying tanks;

[0039] A scraper, the scraper is symmetrically and fixedly connected to both sides of the rotating rod, and the scraper fits the inner wall of the bottom of the drying tank.

[0040] Preferably, the pipeline opening and closing mechanism includes:

[0041] An extrusion plate, the extrusion plate is fixedly connected to the bottom end of the lifting plate;

[0042] An opening and closing plate, the opening and closing plate is fixedly connected to the outer wall of the extrusion plate, and the opening and closing plate cooperates with the valve rod.

[0043] Preferably, the flushing mechanism includes:

[0044] A fixed rod, a through groove is formed inside the lifting rod, a groove is formed at the bottom end of the inner wall of the through groove, one end of the fixed rod is fixedly connected to the top end of the inner wall of the through groove, and the other end of the fixed rod is fixedly connected to the bottom end of the inner wall of the groove;

[0045] A sliding plate, the sliding plate is slidably arranged outside the fixed rod;

[0046] A sleeve, the sleeve is sleeved outside the lifting rod, and the sliding plate is fixedly connected inside the sleeve;

[0047] A compression spring, the compression spring is sleeved outside the fixed rod, one end of the compression spring is fixedly connected to the sliding plate, and the other end of the compression spring is fixedly connected to the bottom end of the inner wall of the groove;

[0048] A spray head assembly, the spray head assembly is arranged on the scraping ring.

[0049] Preferably, the spray head assembly includes:

[0050] Fixed spray heads, the fixed spray heads are equidistantly and fixedly connected to the inner wall of the scraping ring, and spray holes are equidistantly formed on the outer wall of the fixed spray heads;

[0051] A rotating spray head, the rotating spray head is sleeved outside the fixed spray head, arc-shaped grooves are equidistantly formed on the outer wall of the rotating spray head, and the arc-shaped grooves cooperate with the spray holes;

[0052] A rotating member, the rotating spray head is rotatably arranged outside the fixed spray head through the rotating member;

[0053] A toothed ring, an annular groove is formed on the outer wall of the rotating spray head, and the toothed ring is fixedly sleeved inside the annular groove;

[0054] A rack, one end of the rack is fixedly connected to the sleeve, and the other end of the rack passes through the scraping ring and meshes with the toothed ring;

[0055] Cleaning rods, the cleaning rods are equidistantly and fixedly connected to the outside of the fixed spray heads, and the cleaning rods are slidably inserted into the inner cavity of the arc-shaped grooves.

[0056] Preferably, a cyclone separator is arranged between the base and the mounting frame, a collection box is arranged at the bottom end of the cyclone separator, a filter box is arranged at the top end of the cyclone separator, and the filter box is fixedly connected to the top end of the mounting frame.

[0057] The technical effects and advantages of the present invention:

[0058] The present invention utilizes a setting mode in which a lifting mechanism, a cleaning heat exchange mechanism, a pipeline opening and closing mechanism and a flushing mechanism are coordinated. The lifting mechanism can not only enable the cleaning heat exchange mechanism to clean the inner wall of the drying tank, but also can exchange the heat inside the drying tank through water flow and preheat the ceramic powder slurry inside the material barrel. At the same time, the opening and closing of different pipelines inside the pipeline opening and closing mechanism can be adjusted by the lifting and lowering of the lifting mechanism, so that the flushing mechanism can flush the atomizing nozzle when needed, thereby avoiding energy waste, saving cleaning costs, extending the service life of the drying device, and facilitating use.

[0059] The present invention utilizes a scraper ring, a lifting rod, a heat exchange rod, a pipe connection assembly and a bottom cleaning assembly to cooperate with each other. The lifting mechanism can drive the scraper ring to move vertically on the inner wall of the drying tank. The bottom cleaning assembly can be used to clean the inner wall of the entire drying tank to prevent some ceramic powder from adhering to the inner wall during drying. At the same time, when the scraper ring is lifted and displaced, the heat inside the drying tank can be exchanged through the heat exchange rod, so that the water inside the first heat exchange chamber is heated, and the heated water can flow to the inside of the second heat exchange chamber inside the material barrel through the pump body, so that the original slurry inside the material barrel can be preheated, and the temperature of the drying tank gradually decreases from the top to the bottom. When preheating ceramic powders of different materials, the water temperature can be adjusted by adjusting the position of the scraper ring, so that the application range is wider, the waste heat in the spray drying process can be better recovered, and energy waste can be reduced.

[0060] The present invention utilizes a configuration mode in which the first connecting pipe, the valve body, the second connecting pipe, the pump body, the third connecting pipe, the water inlet pipe, the valve stem and the pipeline opening and closing mechanism are matched with each other. The pump body can realize pumping hot water inside the scraper ring to the inside of the material barrel, and the lifting and lowering of the lifting mechanism can enable the opening and closing plate in the pipeline opening and closing mechanism to rotate the valve stem, so that the water inlet pipe is closed during heat exchange preheating, and can be opened when the flushing mechanism is needed for flushing, so that water flow is continuously provided to flush the atomizing nozzle, which is convenient for use.

[0061] The present invention utilizes a setting method in which a fixing rod, a sliding plate, a sleeve, a compression spring and a nozzle assembly cooperate. When the atomizing nozzle does not need to be rinsed, at this time, the scraping ring is located inside the drying tank and does not squeeze against the top of the inner wall. At this time, the rotating nozzle in the nozzle assembly will block the spray holes of the fixed nozzle under the elastic force of the compression spring, preventing water leakage and avoiding blockage of the spray holes by ceramic powder. And when the atomizing nozzle needs to be rinsed, the scraping ring can be lifted to the highest position through a lifting mechanism, so that the air inlet hole can be closed. At the same time, the sleeve will be squeezed by the inner wall of the drying tank, making the compression spring in an extreme compression state. At this time, the rack can drive the toothed ring to rotate, so that the rotating nozzle rotates. During the rotation process, not only can the cleaning rod clean the powder inside the arc-shaped groove, but also the spray holes of the fixed nozzle can be exposed to eject water flow to clean the atomizing nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0063] Figure 2 is a schematic diagram of the internal structure of the front of the whole of the present invention.

[0064] Figure 3 is a schematic diagram of the internal structure of the side of the whole of the present invention.

[0065] Figure 4 is a schematic diagram of the internal structure of the side of the material cylinder of the present invention.

[0066] Figure 5 is a schematic diagram of the front structure of the valve body of the present invention.

[0067] Figure 6 is a schematic diagram of the internal structure of the top view of the scraping ring of the present invention.

[0068] Figure 7 is a schematic diagram of the internal structure of the front of the rotating nozzle of the present invention.

[0069] Figure 8 is a schematic diagram of the internal structure of the front of the toothed ring of the present invention.

[0070] Figure 9 of the present invention Figure 2 is an enlarged schematic diagram of part A.

[0071] Figure 10 of the present invention Figure 3 is an enlarged schematic diagram of part B.

[0072] In the figure: 1, base; 2, drying tank; 3, drying mechanism; 31, heating box; 32, intake pipe; 33, intake box; 34, intake hole; 4, material cylinder; 5, mounting bracket; 6, lifting mechanism; 61, fixed bracket; 62, drive rod; 63, lifting plate; 64, sliding rod; 65, first motor; 7, cleaning and heat exchange mechanism; 71, scraping ring; 72, lifting rod; 73, first heat exchange chamber; 74, heat exchange rod; 75, second heat exchange chamber; 76, pipeline connection assembly; 761, first connecting pipe; 762, valve body; 763, second connecting pipe; 764, pump body; 765, third connecting pipe; 766, water inlet pipe; 767, valve rod; 768, bellows; 77, bottom cleaning assembly; 771, second motor; 772, gearbox; 773, rotating rod; 774, scraping plate; 8, pipeline opening and closing mechanism; 81, extrusion plate; 82, opening and closing plate; 9, flushing mechanism; 91, fixed rod; 92, sliding plate; 93, sleeve; 94, compression spring; 95, spray head assembly; 951, fixed spray head; 952, rotating spray head; 953, rotating part; 954, toothed ring; 955, rack; 956, cleaning rod; 957, spray hole; 958, arc groove; 10, atomizing spray head; 11, cyclone separator; 12, collection box; 13, filter box; 14, thermometer. Detailed implementation manners

[0073] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0074] The present invention provides as Figures 1-10A drying device for preparing ceramic powder of electronic components as shown, including a base 1. A mounting frame 5 is fixedly connected to the top of the base 1. A drying tank 2 is arranged between the base 1 and the mounting frame 5. A drying mechanism 3 for blowing hot air into the drying tank 2 is arranged at the top of the mounting frame 5. A material cylinder 4 is arranged at the top of the base 1. An atomizing nozzle 10 for spraying the slurry inside the material cylinder 4 is arranged inside the drying tank 2. A water pump capable of extracting the internal slurry is arranged outside the material cylinder 4 and is transported to the inside of the atomizing nozzle 10 through a pipeline and then sprayed for drying treatment. This is the prior art. The drying mechanism 3 includes a heating box 31, an air inlet pipe 32 and an air inlet box 33. The heating box 31 is fixedly connected to the top of the mounting frame 5. The air inlet pipe 32 is fixedly inserted and connected to the air outlet end of the heating box 31. The air inlet box 33 is fixedly sleeved outside the drying tank 2. The other end of the air inlet pipe 32 is fixedly inserted and connected to the air inlet box 33. The top of the drying tank 2 is equidistantly provided with air inlet holes 34 communicated with the air inlet box 33. The heating box 31 can draw in external air and heat it, and then transport it to the inside of the air inlet box 33 through the air inlet pipe 32 and transport it to the inside of the drying tank 2 through a plurality of air inlet holes 34, so as to dry the ceramic powder slurry sprayed by the atomizing nozzle 10.

[0075] Furthermore, an anti-sticking wall heat exchange and cleaning device is arranged between the drying tank 2 and the material cylinder 4. The anti-sticking wall heat exchange and cleaning device includes a lifting mechanism 6, a cleaning and heat exchange mechanism 7, a pipeline opening and closing mechanism 8 and a flushing mechanism 9. The lifting mechanism 6 is arranged at the top of the mounting frame 5. The cleaning and heat exchange mechanism 7 is arranged inside the drying tank 2 and is used for cleaning the inner wall of the drying tank 2. The pipeline opening and closing mechanism 8 is arranged between the lifting mechanism 6 and the cleaning and heat exchange mechanism 7 and is used for controlling the direction of water flow. The flushing mechanism 9 is connected to the cleaning and heat exchange mechanism 7 and is used for spraying water on the atomizing nozzle 10. Through the lifting mechanism 6, not only can the cleaning and heat exchange mechanism 7 clean the inner wall of the drying tank 2, but also the heat inside the drying tank 2 can be exchanged through water flow and the ceramic powder slurry inside the material cylinder 4 can be preheated, avoiding waste of energy, saving the cleaning cost, prolonging the service life of the drying device and being convenient to use.

[0076] Further, the lifting mechanism 6 includes a fixed frame 61, a driving rod 62, a lifting plate 63, a sliding rod 64 and a first motor 65. The fixed frame 61 is fixedly connected to the top of the mounting frame 5. The driving rod 62 is rotatably arranged between the mounting frame 5 and the fixed frame 61. The lifting plate 63 forms a lead screw drive with the driving rod 62. One end of the sliding rod 64 is fixedly connected to the mounting frame 5, and the other end of the sliding rod 64 is fixedly connected to the top end of the inner wall of the fixed frame 61. The lifting plate 63 is slidably inserted and connected with the sliding rod 64. The first motor 65 is fixedly installed on the top of the fixed frame 61. The output end of the first motor 65 is in transmission connection with the driving rod 62. The first motor 65 is electrically connected to an external power supply through an external switch. By driving the driving rod 62 to rotate through the first motor 65, the lifting plate 63 can be displaced in the vertical direction along the sliding rod 64.

[0077] Further, the cleaning and heat exchange mechanism 7 includes a scraping ring 71, a lifting rod 72, a heat exchange rod 74, a pipeline connection assembly 76 and a bottom cleaning assembly 77. The scraping ring 71 is arranged inside the drying tank 2. The top and bottom of the scraping ring 71 are both provided with annular inclined surfaces. The provision of the annular inclined surfaces facilitates the cleaning of the powder adhering to the inner wall of the drying tank 2. One end of the lifting rod 72 is fixedly connected to the top of the scraping ring 71 at equal intervals, and the other end of the lifting rod 72 is fixedly connected to the bottom of the lifting plate 63 at equal intervals. When the lifting plate 63 is displaced in the vertical direction, the scraping ring 71 can be driven to perform a reciprocating displacement in the vertical direction inside the drying tank 2 through the lifting rod 72. A first heat exchange cavity 73 is provided inside the scraping ring 71. One end of the heat exchange rod 74 is arranged inside the first heat exchange cavity 73 at equal intervals, and the other end of the heat exchange rod 74 is fixedly inserted and connected to the scraping ring 71 at equal intervals. The plurality of heat exchange rods 74 are made of materials with high heat exchange efficiency, and can heat the water in the first heat exchange cavity 73 inside the scraping ring 71 with the heat inside the drying tank 2. A second heat exchange cavity 75 is provided inside the material cylinder 4. The second heat exchange cavity 75 is spiral. The pipeline connection assembly 76 is arranged between the scraping ring 71 and the material cylinder 4 for communicating the first heat exchange cavity 73 and the second heat exchange cavity 75. A thermometer 14 is arranged at the top of the material cylinder 4. Through the thermometer 14, the temperature inside the material cylinder 4 can be better controlled, so as to adjust the heat exchange position of the scraping ring 71. The bottom cleaning assembly 77 is arranged inside the drying tank 2 for cleaning the inner wall of the bottom of the drying tank 2.

[0078] Furthermore, the pipeline connection component 76 includes a first connecting pipe 761, a valve body 762, a second connecting pipe 763, a pump body 764, a third connecting pipe 765, a water inlet pipe 766, a valve rod 767 and a corrugated pipe 768. One end of the first connecting pipe 761 is fixedly inserted and connected to the material cylinder 4, and the other end of the first connecting pipe 761 is fixedly inserted and connected to the valve body 762. One end of the second connecting pipe 763 is fixedly inserted and connected to the valve body 762, and the other end of the second connecting pipe 763 passes through the lifting plate 63 and the drying tank 2 and is fixedly inserted and connected to the scraping ring 71. The pump body 764 is fixedly installed on the outer wall of the material cylinder 4. One end of the third connecting pipe 765 is fixedly inserted and connected to the output end of the pump body 764, and the other end of the third connecting pipe 765 passes through the lifting plate 63 and the drying tank 2 and is fixedly inserted and connected to the scraping ring 71. The water inlet pipe 766 is fixedly inserted and connected to the valve body 762. The valve rod 767 is rotatably arranged outside the valve body 762, and the cross section of the valve rod 767 is L-shaped. By rotating the valve rod 767, the direction of the water flow can be controlled. When flushing is required, the position of the valve rod 767 is as Figure 5 shown. At this time, the first connecting pipe 761 and the second connecting pipe 763 are in a non-connected state, and the water inlet pipe 766 and the first connecting pipe 761 are in a connected state. At this time, water can be continuously supplied to the inside of the water inlet pipe 766 through an external water source, so that continuous water can be pumped into the inside of the scraping ring 71 by the pump body 764 and sprayed out through the flushing mechanism 9 to clean the atomizing nozzle 10. When in use for drying, the scraping ring 71 will be adjusted downward to open the air inlet hole 34, so that the valve rod 767 can be squeezed by the opening and closing plate 82, so that the first connecting pipe 761 and the second connecting pipe 763 are in a connected state, and the water inlet pipe 766 and the first connecting pipe 761 are in a non-connected state. At this time, the heat exchange preheating treatment of the material cylinder 4 can be normally carried out for easy use. The corrugated pipe 768 is sleeved outside the lifting rod 72, the second connecting pipe 763 and the third connecting pipe 765. The setting of the corrugated pipe 768 can protect the lifting rod 72, the second connecting pipe 763 and the third connecting pipe 765. Both the second connecting pipe 763 and the third connecting pipe 765 are composed of a section of rigid pipe and a section of soft pipe, which is convenient for displacement and can also keep the normal flow of water.

[0079] Furthermore, the bottom cleaning assembly 77 includes a second motor 771, a gearbox 772, a rotating rod 773, and a scraper 774. The second motor 771 is fixedly installed at the top end of the base 1. The gearbox 772 is fixedly connected between the base 1 and the drying tank 2. The output end of the second motor 771 is in transmission connection with the gearbox 772. The output end of the gearbox 772 is in transmission connection with the rotating rod 773. The rotating rod 773 is rotatably arranged between the drying tanks 2. The scrapers 774 are symmetrically and fixedly connected to both sides of the rotating rod 773. The scrapers 774 are attached to the inner wall of the bottom of the drying tank 2. The second motor 771 is electrically connected to an external power supply through an external switch. Through the gearbox 772, the second motor 771 can drive the rotating rod 773 to rotate at a slower speed, so that the scrapers 774 can clean the powder adhering to the inner wall without affecting the normal drying operation.

[0080] Further, the pipeline opening and closing mechanism 8 includes a pressing plate 81 and an opening and closing plate 82. The pressing plate 81 is fixedly connected to the bottom end of the lifting plate 63. The opening and closing plate 82 is fixedly connected to the outer wall of the pressing plate 81. The opening and closing plate 82 cooperates with the valve rod 767. The pressing plate 81 can rise and fall with the rise and fall of the lifting plate 63, so that the opening and closing plate 82 can press the valve rod 767, facilitating the change of the water flow direction in the pipeline.

[0081] Further, the flushing mechanism 9 includes a fixing rod 91, a sliding plate 92, a sleeve 93, a compression spring 94, and a nozzle assembly 95. A through groove is formed inside the lifting rod 72, and a groove is formed at the bottom end of the inner wall of the through groove. One end of the fixing rod 91 is fixedly connected to the top end of the inner wall of the through groove, and the other end of the fixing rod 91 is fixedly connected to the bottom end of the inner wall of the groove. The sliding plate 92 is slidably arranged outside the fixing rod 91. The sleeve 93 is sleeved outside the lifting rod 72. The sliding plate 92 is fixedly connected to the inside of the sleeve 93. The compression spring 94 is sleeved outside the fixing rod 91. One end of the compression spring 94 is fixedly connected to the sliding plate 92, and the other end of the compression spring 94 is fixedly connected to the bottom end of the inner wall of the groove. The compression spring 94 is always in a compressed state, so that a stable upward elastic force can be provided to the sleeve 93 through the sliding plate 92, enabling the sleeve 93 to be lifted to the highest displacement position without the influence of external forces. The nozzle assembly 95 is arranged on the scraping ring 71.

[0082] Further, the nozzle assembly 95 includes a fixed nozzle 951, a rotating nozzle 952, a rotating member 953, a gear ring 954, a rack 955 and a cleaning rod 956. The fixed nozzles 951 are fixedly connected to the inner wall of the scraping ring 71 at equal intervals. Spray holes 957 are provided on the outer wall of the fixed nozzle 951 at equal intervals. The rotating nozzle 952 is sleeved outside the fixed nozzle 951. Arc-shaped grooves 958 are provided on the outer wall of the rotating nozzle 952 at equal intervals. The arc-shaped grooves 958 cooperate with the spray holes 957. The rotating nozzle 952 is rotatably arranged outside the fixed nozzle 951 through the rotating member 953. An annular groove is provided on the outer wall of the rotating nozzle 952. The gear ring 954 is fixedly sleeved inside the annular groove. One end of the rack 955 is fixedly connected to the sleeve 93. The other end of the rack 955 passes through the scraping ring 71 and is meshed with the gear ring 954. When the sleeve 93 is at the highest position it can displace, at this time, the rack 955 can fix the position of the rotating nozzle 952 through the gear ring 954, so that the rotating nozzle 952 can block the spray holes 957 opened on the fixed nozzle 951. While facilitating heat treatment, it can prevent water leakage and avoid clogging of the spray holes 957 by ceramic powder. The cleaning rods 956 are fixedly connected to the outside of the fixed nozzle 951 at equal intervals. The cleaning rods 956 are slidably inserted into the inner cavity of the arc-shaped grooves 958. When it is necessary to wash the atomizing nozzle 10, the scraping ring 71 can be driven by the lifting plate 63 to rise to the highest position, so as to seal the air inlet holes 34. At the same time, the sleeve 93 will be pressed by the inner wall of the drying tank 2, so that the compression spring 94 is in the limit compression state. At this time, the gear ring 954 can be driven to rotate through the rack 955, so that the rotating nozzle 952 rotates. During the rotation process, not only can the cleaning rods 956 clean the powder inside the arc-shaped grooves 958, but also expose the spray holes 957 of the fixed nozzle 951, so as to spray out water to clean the atomizing nozzle 10.

[0083] Specifically, a cyclone separator 11 is provided between the base 1 and the mounting frame 5. A collection box 12 is provided at the bottom of the cyclone separator 11. A filter box 13 is provided at the top of the cyclone separator 11. The filter box 13 is fixedly connected to the top of the mounting frame 5. The cyclone separator 11 is connected to the bottom of the drying tank 2 through a pipeline, and the powder dried in the hot air can be separated and uniformly collected through the collection box 12. At the same time, the remaining hot air is discharged after being filtered by the filter box 13 to avoid affecting the external air quality.

[0084] Finally, it should be noted that the above are only the 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 foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A drying device for preparing ceramic powder of electronic components, comprising a base, a mounting frame fixedly connected to the top of the base, a drying tank arranged between the base and the mounting frame, a material cylinder arranged at the top of the base, and an atomizing nozzle arranged inside the drying tank for spraying the slurry inside the material cylinder. It is characterized in that, An anti-sticking wall heat exchange cleaning device is provided between the drying tank and the material barrel, a drying mechanism for blowing hot air to the drying tank is provided at the top of the mounting frame, the anti-sticking wall heat exchange cleaning device includes a cleaning heat exchange mechanism for cleaning the inner wall of the drying tank and a flushing mechanism for spraying water flow to the atomizing nozzle, the cleaning heat exchange mechanism includes a scraping ring and a lifting rod, one end of the lifting rod is fixedly connected to the top of the scraping ring at an equidistant distance; The flushing mechanism includes a fixed rod, a through slot is provided inside the lifting rod, a groove is provided at the bottom end of the inner wall of the through slot, one end of the fixed rod is fixedly connected to the top end of the inner wall of the through slot, and the other end of the fixed rod is fixedly connected to the bottom end of the inner wall of the groove, a slide plate is slidably arranged on the outside of the fixed rod, a sleeve is sleeved on the outside of the lifting rod, the slide plate is fixedly connected to the inside of the sleeve, a compression spring is sleeved on the outside of the fixed rod, a nozzle assembly is arranged on the scraper ring, and the nozzle assembly includes a fixed nozzle, and the fixed nozzle is fixedly connected to the inner wall of the scraper ring at an equal distance, The outer wall of the fixed nozzle is provided with spray holes at equal intervals, the rotating nozzle is sleeved on the outside of the fixed nozzle, the outer wall of the rotating nozzle is provided with arc grooves at equal intervals, the arc grooves and the spray holes cooperate with each other, the rotating nozzle is rotatably arranged on the outside of the fixed nozzle, the outer wall of the rotating nozzle is provided with an annular groove, the gear ring is fixedly sleeved inside the annular groove, one end of the rack is fixedly connected to the sleeve, the other end of the rack is meshed with the gear ring, the compression spring is in the extreme compression state, the rack drives the gear ring to rotate, so that the rotating nozzle rotates, and the spray hole of the fixed nozzle is exposed; The drying mechanism includes a heating box, which is fixedly connected to the top of the mounting frame, an air inlet pipe is fixedly inserted and connected with the air outlet end of the heating box, the air inlet box is fixedly sleeved on the outside of the drying tank, the other end of the air inlet pipe is fixedly inserted and connected with the air inlet box, and the top of the drying tank is equidistantly provided with air inlet holes that communicate with the air inlet box.

2. The drying device for preparing electronic component ceramic powder according to claim 1, characterized in that, The anti-sticking wall heat exchange cleaning device also includes: A lifting mechanism, wherein the lifting mechanism is arranged at the top end of the mounting frame; The pipeline opening and closing mechanism is arranged between the lifting mechanism and the cleaning and heat exchanging mechanism, and is used to control the direction of water flow.

3. The drying device for preparing electronic component ceramic powder according to claim 2, characterized in that, The lifting mechanism comprises: A fixing frame, the fixing frame is fixedly connected to the top end of the mounting frame; A driving rod, the driving rod being rotatably disposed between the mounting frame and the fixing frame; A lifting plate, wherein the lifting plate and the driving rod form a screw transmission; A slide bar, one end of which is fixedly connected to the mounting frame, the other end of which is fixedly connected to the top of the inner wall of the fixing frame, and the lifting plate is slidably connected to the slide bar; The first motor is fixedly mounted on the top of the fixing frame, and the output end of the first motor is drivingly connected to the driving rod.

4. A drying device for preparing electronic component ceramic powder according to claim 3, characterized in that, The cleaning heat exchange mechanism also includes: A heat exchange rod, a first heat exchange cavity is provided inside the scraper ring, one end of the heat exchange rod is equidistantly arranged inside the first heat exchange cavity, the other end of the heat exchange rod is equidistantly fixedly connected with the scraper ring, the top and bottom ends of the scraper ring are both provided with annular inclined surfaces, and the other end of the lifting rod is equidistantly fixedly connected to the bottom end of the lifting plate; Pipeline connection assembly, a second heat exchange chamber is provided inside the material cylinder, the second heat exchange chamber is spiral, the pipeline connection assembly is arranged between the scraping ring and the material cylinder for communicating the first heat exchange chamber and the second heat exchange chamber, and a thermometer is provided at the top end of the material cylinder; Bottom cleaning assembly, the bottom cleaning assembly is arranged inside the drying tank for cleaning the inner wall of the bottom of the drying tank.

5. A drying device for preparing electronic component ceramic powder according to claim 4, characterized in that, The pipeline connection assembly includes: First connecting pipe, one end of the first connecting pipe is fixedly inserted and connected with the material cylinder; Valve body, the other end of the first connecting pipe is fixedly inserted and connected with the valve body; Second connecting pipe, one end of the second connecting pipe is fixedly inserted and connected with the valve body, and the other end of the second connecting pipe passes through the lifting plate and the drying tank and is fixedly inserted and connected with the scraping ring; Pump body, the pump body is fixedly installed on the outer wall of the material cylinder; Third connecting pipe, one end of the third connecting pipe is fixedly inserted and connected with the output end of the pump body, and the other end of the third connecting pipe passes through the lifting plate and the drying tank and is fixedly inserted and connected with the scraping ring; Water inlet pipe, the water inlet pipe is fixedly inserted and connected with the valve body; Valve rod, the valve rod is rotatably arranged outside the valve body, and the cross section of the valve rod is L-shaped; Bellows, the bellows is sleeved outside the lifting rod, the second connecting pipe and the third connecting pipe.

6. The drying device for preparing electronic component ceramic powder according to claim 4, characterized in that, The bottom cleaning assembly includes: Second motor, the second motor is fixedly installed at the top end of the base; Gearbox, the gearbox is fixedly connected between the base and the drying tank, and the output end of the second motor is in transmission connection with the gearbox; Rotating rod, the output end of the gearbox is in transmission connection with the rotating rod, and the rotating rod is rotatably arranged between the drying tanks; Scraper, the scrapers are symmetrically and fixedly connected to both sides of the rotating rod, and the scrapers are attached to the inner wall of the bottom of the drying tank.

7. A drying device for preparing electronic component ceramic powder according to claim 5, characterized in that, The pipeline opening and closing mechanism includes: Extrusion plate, the extrusion plate is fixedly connected to the bottom end of the lifting plate; Opening and closing plate, the opening and closing plate is fixedly connected to the outer wall of the extrusion plate, and the opening and closing plate cooperates with the valve rod.

8. A drying device for preparing electronic component ceramic powder according to claim 1, characterized in that, One end of the compression spring is fixedly connected to the sliding plate, and the other end of the compression spring is fixedly connected to the bottom end of the inner wall of the groove.

9. The drying device for preparing electronic component ceramic powder according to claim 1, characterized in that, The spray head assembly further includes: Rotating part, the rotating spray head is rotatably arranged outside the fixed spray head through the rotating part; Cleaning rod, the cleaning rods are equidistantly and fixedly connected to the outside of the fixed spray head, and the cleaning rods are slidably inserted into the inner cavity of the arc-shaped groove.

10. The drying device for preparing electronic component ceramic powder according to claim 1, characterized in that, A cyclone separator is arranged between the base and the mounting frame, a collection box is arranged at the bottom end of the cyclone separator, and a filter box is arranged at the top end of the cyclone separator, and the filter box is fixedly connected to the top end of the mounting frame.

Images