A method and device for preparing a ceramic product for health care
By using a combination of vibration and pressing technology in the pressing process of alumina ceramic products, the problem of floating powder on the surface of alumina ceramic embryo is solved, and higher density and sintering quality are achieved.
Patent Information
- Application Number
- CN202410875000.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2044-07-02
AI Technical Summary
Existing alumina ceramic products are prone to surface floating powder during pressing, resulting in surface defects during firing and affecting the firing quality.
A pressing device including a processing table, a vibrating component, a mold lifting component, a vibrating plate, a raw material moving component, a floating powder removal component and a belt conveyor is adopted. Through a combination of vibration and pressing technology, the compactness uniformity of the raw material powder is improved, and the floating powder on the surface of the embryo is removed after pressing.
It effectively reduces the floating powder on the surface of the alumina ceramic embryo, improves the compactness and surface quality of the ceramic body after sintering, and avoids defects during firing.
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Figure CN118617554B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of ceramic products, and in particular to a preparation method and device of a ceramic product for health care. Background Art
[0002] Alumina ceramics are a type of ceramic material made from alumina as the main raw material. Alumina has excellent high temperature resistance, chemical stability, insulation performance and mechanical strength. It is often made into alumina ceramic sheets for use in health care equipment such as infrared physiotherapy devices. In the preparation of existing alumina ceramics, multiple raw materials with alumina powder as the main material are usually mixed, and then pressed into an alumina ceramic embryo. When pressing the alumina ceramic embryo in the prior art, the raw material powder is usually directly pushed into the mold. The density of the raw material powder is uneven, and some floating powder is likely to exist on the surface of the embryo. During firing, the floating powder is likely to cause defects on the surface of the embryo, which has a negative impact on firing. Summary of the invention
[0003] The purpose of the present invention is to provide a method and device for preparing health-care ceramic products, which can solve the problem mentioned in the above background technology that the surface of the alumina ceramic embryo pressed by the prior art is prone to floating powder, resulting in defects on the surface of the embryo when it is fired.
[0004] To achieve the above object, the present invention provides the following technical solution: a method for preparing a health-care ceramic product, comprising the following steps:
[0005] S1: Mix high-purity alumina powder, co-solvent and stabilizer in proportion;
[0006] S2: transporting the uniformly mixed powder to a pressing device for pressing and removing the floating powder to form an alumina ceramic body;
[0007] S3: sintering the formed alumina ceramic body to combine the powder particles into a dense ceramic body;
[0008] S4: Grinding, polishing and coating the alumina ceramics after sintering.
[0009] Further, S2 includes the following steps:
[0010] S201: conveying the uniformly mixed powder to a pressing device;
[0011] S202: The pressing device feeds the mixed powder into a mold and presses it at a pressure of 0.3-1.5 GPa;
[0012] S203: After the pressing is completed, the formed alumina ceramic body is taken out from the mold, and the floating powder on the outer surface of the alumina ceramic body is removed.
[0013] Furthermore, S3 includes the following steps:
[0014] S301: placing the alumina ceramic body in a preheating furnace and gradually heating it to a lower temperature to remove residual moisture and organic matter and reduce the stress of the body during high-temperature sintering;
[0015] S302: continuing to heat the alumina ceramic body to a relatively high temperature, so that the powder particles undergo a sintering reaction, and the particles are combined with each other to form a dense ceramic body;
[0016] S303: After sintering, the sintered alumina ceramic product is taken out from the sintering furnace and placed in a cooler for slow cooling.
[0017] Another technical solution proposed by the present invention is to provide a preparation device for health-care ceramic products, wherein the pressing device in S2 comprises a processing table and an L-shaped support fixedly connected to the upper end of the processing table, an extrusion portion is provided through the L-shaped support, a control portion is fixedly provided on one side of the L-shaped support, a raw material moving component and a floating powder removal component are arranged at intervals on the upper end of the processing table, a uniform vibration component is embedded in the upper end of the processing table, and the position of the uniform vibration component matches the extrusion portion, a belt conveyor is embedded at the upper edge of the processing table, a spiral conveyor is embedded on one side of the processing table, a collecting box is fixedly connected to one side of the processing table, one end of the spiral conveyor passes through the processing table and is embedded in the collecting box, the raw material moving component is used to move the raw material powder to the inside of the processing table, the floating powder removal component is used to remove the floating powder on the surface of the alumina ceramic embryo, and the uniform vibration component is used to vibrate the raw material powder to make its density more uniform;
[0018] The upper edge of the processing table is provided with a mounting groove, the inner wall of the lower end of the mounting groove is provided with a collecting groove, and the belt conveying part is embedded in the mounting groove, the spiral conveying part is arranged inside the collecting groove, the upper end of the processing table is provided with a forming groove and an active cavity, the upper end of the processing table is also provided with an active groove, and two groups of active grooves are provided, the two groups of active grooves are communicated with the active cavity, and the forming groove is communicated with the inside of the active cavity, and three groups of forming grooves are provided, the forming groove is used to accommodate raw material powder, and the collecting groove is used to collect raw material powder;
[0019] The uniform vibration compaction component includes a vibration component embedded in the movable cavity, a mold lifting component is arranged inside the molding groove, and the positions of the vibration component and the mold lifting component match, a vibration plate is arranged at one end of the mold lifting component, a bottom cleaning brush is fixedly arranged on the upper surface of the vibration plate, and the vibration plate is inclined, the movable cavity and the movable groove are used to make way for the movement of the vibration component, the vibration component is used to drive the mold lifting component to vibrate, so that the raw material powder also vibrates, and the mold lifting component is used to cooperate with the extrusion part to extrude the raw material powder into shape.
[0020] Furthermore, the vibration component includes a spring embedded in the inner wall of the movable groove, one end of the spring is fixedly connected to a transmission bar, and the transmission bar is embedded in the movable groove, the upper end of the processing table is fixedly connected to a protective frame, and the protective frame is arranged on the outside of the movable groove, two groups of transmission bars and two groups of mounting bars are provided, and four groups of springs are provided, a mounting bar is fixedly connected between the two groups of transmission bars, and the mounting bar is contacted with the inner wall of the lower end of the movable cavity, one side of the mounting bar is fixedly connected to an embedded rod, and multiple groups of embedded rods are provided, the upper end of the embedded rod is fixedly connected to a first arc block, and multiple groups of first arc blocks are provided, and the spring is used to pull the embedded rod to reset.
[0021] Furthermore, the mold lifting component includes a first electric telescopic rod embedded and fixedly connected to the bottom of the molding groove and a base plate fixedly connected to the upper end of the first electric telescopic rod, the upper end of the base plate is fixedly connected to a pin shaft, the upper end of the base plate is contacted with a lower mold, and the pin shaft is movably engaged with the lower end of the lower mold, and a support foot groove is opened at the upper end of the lower mold, and three groups of support foot grooves are provided, and the support foot grooves are used to control the shape of the alumina ceramic embryo.
[0022] Furthermore, a through groove is provided on the outer surface of the lower mold, and two groups of through grooves are symmetrically provided, the position and number of the embedded rod match the through grooves, a second arc block is fixedly connected to the upper end of the through groove, and multiple groups of second arc blocks are provided, the height of the second arc block matches that of the first arc block, a Z-shaped connecting strip is fixedly connected to one side of the lower mold, and the other end of the Z-shaped connecting strip is fixedly connected to the lower surface of the vibration plate, a cavity is provided inside the processing table for the Z-shaped connecting strip to be raised and lowered, and the height of the lower end of the cavity is lower than the height of the lower mold, and the first arc block is used to drive the lower mold to vibrate.
[0023] Furthermore, the floating powder removal assembly includes a blowing assembly arranged at the upper end of the processing table and a dust collecting part embedded in one side of the blowing assembly, a belt cleaning brush is fixedly connected to the inner wall of the mounting groove, and the belt cleaning brush is arranged in contact with the outer surface of the belt conveying part, the blowing assembly is used to clean the floating powder, and the belt cleaning brush is used to clean the belt conveying part;
[0024] The blowing assembly includes an outer box fixedly connected to the upper end of the processing table, with recesses on both sides of the outer box, and a surface cleaning brush fixedly arranged on the inner wall of the upper end of the recess. A fan portion is arranged between the other side of the blowing assembly and the L-shaped support, and the vibration plate is arranged above one end of the belt conveyor portion, and the side of the vibration plate close to the inner wall of the mounting groove is inclined downward. A group of surface cleaning brushes are arranged in contact with the uppermost end of the vibration plate, and the surface cleaning brushes are used to reduce the escape of dust and clean the outer surface of the alumina ceramic embryo at the same time.
[0025] Furthermore, the raw material moving assembly includes a second electric telescopic rod fixedly connected to the upper end of the processing table and a containing box fixedly connected to one end of the second electric telescopic rod, the lower end of the containing box is fitted with the upper surface of the processing table, a guide bending plate is fixedly connected to the inner wall of the containing box, a pushing bar is fixedly connected to one side of the containing box, pushing blocks are fixedly connected to both sides of the containing box, and the height of the pushing blocks matches that of the transmission bar, the position of the containing box matches that of the forming groove, the containing box is used to push the raw material powder into the forming groove, and the pushing bar is used to push the alumina ceramic embryo.
[0026] Furthermore, the control unit is electrically connected to the extrusion unit, the spiral conveying unit, the belt conveying unit, the dust collection unit, the first electric telescopic rod, the fan unit and the second electric telescopic rod respectively.
[0027] Compared with the prior art, the present invention has the following beneficial effects:
[0028] The present invention provides a preparation method and device for health-care ceramic products. Through the arrangement of a processing table, a vibrating component, a mold lifting component, a vibrating plate, a raw material moving assembly, a floating powder removing assembly and a belt conveyor, the raw material powder in the receiving box is moved to the inside of a molding groove by extending a second electric telescopic rod. During the movement, the raw material powder in the molding groove is continuously vibrated. After the pressing is completed, the receiving box is driven to approach the molding groove by the second electric telescopic rod. The floating powder on the surface of the alumina ceramic embryo body can be cleaned by the surface cleaning brush, the vibration of the vibrating plate and the bottom cleaning brush. The vibration during the operation of the belt conveyor can promote the shedding of the floating powder. The floating powder can be blown and collected by the fan part and the dust suction part. The extension of the second electric telescopic rod can realize the automatic feeding of the raw material powder and the transportation of the embryo body. At the same time, the raw material powder and the vibration plate can be vibrated during feeding. On the one hand, the uniformity of the density of the raw material powder can be improved and the generation of floating powder can be reduced. On the other hand, the floating powder of the embryo body can be removed to facilitate subsequent sintering. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 It is the overall process flow chart of the present invention;
[0030] Figure 2 This is a process flow chart of the ceramic embryo body pressing process of the present invention;
[0031] Figure 3 This is a process flow chart of the ceramic embryo sintering process of the present invention;
[0032] Figure 4 It is a schematic diagram of the overall structure of the pressing device of the present invention;
[0033] Figure 5 It is a schematic diagram of the internal structure of the processing table of the present invention;
[0034] Figure 6It is a schematic diagram of the structures of the uniform compaction component, the raw material moving component, the floating powder removal component, the belt conveyor part and the spiral conveyor part of the present invention;
[0035] Figure 7 It is a plan view of the processing table and the uniform compaction assembly of the present invention;
[0036] Figure 8 It is a schematic diagram of the structure of the uniform compaction assembly of the present invention;
[0037] Fig. 9 It is a schematic diagram of the structure of the vibration component of the present invention;
[0038] Fig.10 It is a schematic diagram of the structure disassembly of the mold lifting component of the present invention;
[0039] Fig.11 This is a schematic diagram of the structure of the floating powder removal component of the present invention;
[0040] Fig.12 For the present invention Fig.11 A magnified detail in the middle;
[0041] Fig.13 It is a schematic diagram of the structural disassembly of the raw material moving component of the present invention.
[0042] In the figure: 1, processing table; 11, installation groove; 12, collecting groove; 13, forming groove; 14, movable cavity; 15, movable groove; 2, uniform vibration assembly; 21, vibration component; 211, spring; 212, transmission bar; 213, installation bar; 214, protection frame; 215, embedded rod; 216, first arc block; 22, mold lifting component; 221, first electric telescopic rod; 222, bottom plate; 223, pin shaft; 224, lower mold; 225, support foot groove; 226, through groove; 227, second arc block; 228 , Z-shaped connecting strip; 23, vibration plate; 231, bottom cleaning brush; 3, raw material moving assembly; 31, second electric telescopic rod; 32, accommodating box; 33, pushing strip; 34, guide bending plate; 35, pushing block; 4, floating powder removal assembly; 41, blowing assembly; 411, outer box; 412, give way groove; 413, surface cleaning brush; 414, fan unit; 42, dust suction unit; 43, belt cleaning brush; 5, L-shaped support; 6, extrusion unit; 7, control unit; 8, belt conveyor unit; 9, spiral conveyor unit; 91, collecting box. DETAILED DESCRIPTION
[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0044] like Figure 1 As shown, a method for preparing a health-care ceramic product comprises the following steps:
[0045] Step 1: Mix high-purity alumina powder, co-solvent and stabilizer in proportion;
[0046] Step 2: transporting the evenly mixed powder to a pressing device for pressing and forming and removing the floating powder to form an alumina ceramic embryo;
[0047] Step 3: Sintering the formed alumina ceramic body to combine the powder particles into a dense ceramic body;
[0048] Step 4: Grinding, polishing and coating the sintered alumina ceramics.
[0049] The present invention will be further described below in conjunction with the embodiments.
[0050] See also Figure 2-Figure 3 , S2 includes the following steps:
[0051] (1): The uniformly mixed powder is transported to the pressing device;
[0052] (2): The pressing device feeds the mixed powder into the mold and presses it at a pressure of 0.3-1.5 GPa;
[0053] (3): After the pressing is completed, the formed alumina ceramic body is taken out from the mold, and the floating powder on the outer surface of the alumina ceramic body is removed.
[0054] S3 includes the following steps:
[0055] (1): The alumina ceramic body is placed in a preheating furnace and gradually heated to a lower temperature to remove residual moisture and organic matter and reduce the stress of the body during high-temperature sintering;
[0056] (2): The alumina ceramic body is further heated to a higher temperature to cause the powder particles to undergo a sintering reaction, and the particles are combined with each other to form a dense ceramic body;
[0057] (3): After sintering, take the sintered alumina ceramic product out of the sintering furnace and place it in a cooler to cool slowly.
[0058] See also Figure 4-Figure 13 , another technical solution proposed by the present invention: providing a preparation device for health-care ceramic products, the pressing device in step 2 comprises a processing table 1 and an L-shaped support 5 fixedly connected to the upper end of the processing table 1, an extrusion part 6 is penetrated on the L-shaped support 5, a control part 7 is fixedly arranged on one side of the L-shaped support 5, a raw material moving component 3 and a floating powder removing component 4 are arranged at intervals on the upper end of the processing table 1, a uniform vibration component 2 is embedded in the upper end of the processing table 1, and the position of the uniform vibration component 2 matches the extrusion part 6, a belt conveying part 8 is embedded at the edge of the upper end of the processing table 1, a spiral conveying part 9 is embedded on one side of the processing table 1, a collecting box 91 is fixedly connected to one side of the processing table 1, one end of the spiral conveying part 9 penetrates the processing table 1 and is embedded in the collecting box 91, the raw material moving component 3 is used to move the raw material powder to the inside of the processing table 1, the floating powder removing component 4 is used to remove the floating powder on the surface of the alumina ceramic embryo, and the uniform vibration component 2 is used to vibrate the raw material powder to make its density more uniform;
[0059] A mounting groove 11 is provided at the upper edge of the processing table 1, a collecting groove 12 is provided on the inner wall of the lower end of the mounting groove 11, and the belt conveying part 8 is embedded in the mounting groove 11, and the spiral conveying part 9 is arranged inside the collecting groove 12. A forming groove 13 and an active cavity 14 are provided at the upper end of the processing table 1. An active groove 15 is also provided at the upper end of the processing table 1, and two groups of active grooves 15 are provided. Both groups of active grooves 15 are connected to the active cavity 14, and the forming grooves 13 are connected to the inside of the active cavity 14, and three groups of forming grooves 13 are provided. The forming grooves 13 are used to accommodate raw material powder, and the collecting grooves 12 are used to collect raw material powder;
[0060] The uniform vibration component 2 includes a vibration component 21 embedded in the active cavity 14, a mold lifting component 22 is provided inside the molding groove 13, and the positions of the vibration component 21 and the mold lifting component 22 match, a vibration plate 23 is provided at one end of the mold lifting component 22, a bottom cleaning brush 231 is fixedly provided on the upper surface of the vibration plate 23, and the vibration plate 23 is tilted, the active cavity 14 and the active groove 15 are used to make way for the movement of the vibration component 21, the vibration component 21 is used to drive the mold lifting component 22 to vibrate, so that the raw material powder also vibrates, and the mold lifting component 22 is used to cooperate with the extrusion part 6 to extrude the raw material powder into shape;
[0061] It should be noted that the extrusion part 6 is lifted and lowered, and the raw material inside the molding groove 13 is extruded and molded. This technical solution is not an innovative part of the present application document, but belongs to common knowledge. Those skilled in the art are capable of thinking of the specific structure.
[0062] The vibration component 21 includes a spring 211 embedded in the inner wall of the movable groove 15, one end of the spring 211 is fixedly connected to a transmission bar 212, and the transmission bar 212 is embedded in the movable groove 15, the upper end of the processing table 1 is fixedly connected to a protection frame 214, and the protection frame 214 is arranged outside the movable groove 15, the transmission bar 212 and the mounting bar 213 are each provided with two groups, the spring 211 is provided with four groups, the two groups of transmission bars 212 are fixedly connected with the mounting bar 213, and the mounting bar 213 is in contact with the inner wall of the lower end of the movable cavity 14. The mounting bar 213 is arranged such that an embedded rod 215 is fixedly connected to one side thereof, and the embedded rod 215 is provided with a plurality of groups, and the upper end of the embedded rod 215 is fixedly connected to a first arc block 216, and the first arc block 216 is provided with a plurality of groups, and the spring 211 is used to pull the embedded rod 215 to reset, and the transmission bar 212 can pull the spring 211 to stretch it when it moves, and when the transmission bar 212 is no longer pushed, the elastic force of the spring 211 can pull the transmission bar 212, the mounting bar 213, the embedded rod 215 and the first arc block 216 to move to their original positions.
[0063] The mold lifting component 22 includes a first electric telescopic rod 221 embedded and fixedly connected to the bottom of the molding groove 13 and a bottom plate 222 fixedly connected to the upper end of the first electric telescopic rod 221. The upper end of the bottom plate 222 is fixedly connected to a pin shaft 223. The upper end of the bottom plate 222 is contacted with a lower mold 224, and the pin shaft 223 is movably engaged with the lower end of the lower mold 224. The upper end of the lower mold 224 is provided with a support foot groove 225, and the support foot groove 225 is provided with three groups. The support foot groove 225 is used to control the shape of the alumina ceramic embryo. The arrangement forms three legs at the lower end of the alumina ceramic embryo after the alumina ceramic embryo is formed. The arrangement of the three legs can reduce the contact area between the alumina ceramic embryo and the external structure during sintering, thereby reducing the possibility of adhesion and improving the sintering yield. After sintering, the legs can be removed by grinding. The extension and retraction of the first electric telescopic rod 221 can drive the bottom plate 222 and the lower mold 224 to rise and fall. By driving the lower mold 224 to rise through the first electric telescopic rod 221, the formed alumina ceramic embryo can be squeezed out of the molding groove 13.
[0064] A through groove 226 is provided on the outer surface of the lower mold 224, and two groups of through grooves 226 are symmetrically provided. The position and number of the embedded rod 215 and the through groove 226 are matched. A second arc block 227 is fixedly connected to the upper end of the through groove 226, and multiple groups of second arc blocks 227 are provided. The height of the second arc block 227 matches that of the first arc block 216. A Z-shaped connecting strip 228 is fixedly connected to one side of the lower mold 224, and the other end of the Z-shaped connecting strip 228 is fixedly connected to the lower surface of the vibration plate 23. A cavity for the Z-shaped connecting strip 228 to be raised and lowered is provided inside the processing table 1, and the height of the lower end of the cavity is lower than that of the lower mold 224. The first arc block 216 is used to drive the lower mold 224 to vibrate. When the embedded rod 215 moves, it can be embedded in the through groove 226. As the embedded rod 215 moves, The first arc block 216 will continuously lift up the second arc block 227, so that the lower mold 224 is also continuously lifted up, so that the lower mold 224 can continue to vibrate up and down. When the lower mold 224 vibrates, it can drive the raw material powder above the lower mold 224 to vibrate together, which is conducive to the close contact between the powder particles, and can improve the uniformity of the density of the raw material powder, so that the raw material powder is more evenly stressed when it is compressed, and can avoid gaps while reducing the possibility of floating powder. When the lower mold 224 vibrates, it can drive the vibration plate 23 to vibrate through the Z-shaped connecting strip 228. When the Z-shaped connecting strip 228 vibrates, it can accelerate the movement of the upper alumina ceramic embryo, and at the same time, it can shake off a part of the floating powder on the surface of the alumina ceramic embryo, and the floating powder at the bottom of the alumina ceramic embryo can be brushed off by the bottom cleaning brush 231.
[0065] The floating powder removal component 4 includes a blowing component 41 arranged at the upper end of the processing table 1 and a dust suction part 42 embedded in one side of the blowing component 41. A belt cleaning brush 43 is fixedly connected to the inner wall of the mounting groove 11, and the belt cleaning brush 43 is arranged in contact with the outer surface of the belt conveying part 8. The blowing component 41 is used to clean the floating powder, and the belt cleaning brush 43 is used to clean the belt conveying part 8. It should be noted that the floating powder inside the outer box 411 is sucked and collected by the dust suction part 42, wherein this technical solution is not an innovative part of the present application document, and belongs to common knowledge, and those skilled in the art are capable of thinking of the specific structure;
[0066] The blowing assembly 41 includes an outer box 411 fixedly connected to the upper end of the processing table 1, and both sides of the outer box 411 are provided with a clearance groove 412, and a surface cleaning brush 413 is fixedly arranged on the inner wall of the upper end of the clearance groove 412. A fan part 414 is arranged between the other side of the blowing assembly 41 and the L-shaped support 5, and the vibration plate 23 is arranged above one end of the belt conveyor 8. The side of the vibration plate 23 close to the inner wall of the mounting groove 11 is tilted downward, and a group of surface cleaning brushes 413 are arranged in contact with the uppermost end of the vibration plate 23. The surface cleaning brush 413 is used to reduce the escape of dust while cleaning The outer surface of the alumina ceramic body, in the process of the alumina ceramic body moving to the upper surface of the vibration plate 23, the surface cleaning brush 413 will brush across the surface of the alumina ceramic body, and can brush off the floating powder on the surface of the alumina ceramic body. The fallen floating powder can pass through the gap between the vibration plate 23 and the mounting groove 11 and fall into the collecting groove 12 for accumulation. The accumulated floating powder can be transported to the collecting box 91 for collection through the spiral conveying part 9. The bristles of the surface cleaning brush 413 and the belt cleaning brush 43 are made of soft materials and will not affect the compact surface quality of the alumina ceramic body.
[0067] The raw material moving assembly 3 includes a second electric telescopic rod 31 fixedly connected to the upper end of the processing table 1 and a storage box 32 fixedly connected to one end of the second electric telescopic rod 31. The lower end of the storage box 32 is in contact with the upper surface of the processing table 1. The inner wall of the storage box 32 is fixedly connected to a guide bending plate 34. A push bar 33 is fixedly connected to one side of the storage box 32. Push blocks 35 are fixedly connected to both sides of the storage box 32. The push blocks 35 match the height of the transmission bar 212. The storage box 32 matches the position of the molding groove 13. The storage box 32 is used to move the raw material powder. The alumina ceramic embryo is not pushed into the molding groove 13, the pushing bar 33 is used to push the alumina ceramic embryo, and the guide bending plate 34 is used to guide the raw material powder inside the receiving box 32. When the first electric telescopic rod 221 pushes the alumina ceramic embryo out of the molding groove 13, the receiving box 32 moves to the top of the molding groove 13. The pushing bar 33 can push the alumina ceramic embryo to the upper surface of the vibration plate 23, and the raw material powder inside the receiving box 32 can enter the molding groove 13. During this process, the pushing block 35 will push the transmission bar 212 to move.
[0068] The control unit 7 is electrically connected to the extrusion unit 6 , the spiral conveying unit 9 , the belt conveying unit 8 , the dust collecting unit 42 , the first electric telescopic rod 221 , the fan unit 414 and the second electric telescopic rod 31 , respectively.
[0069] Specifically, the raw material powder is transported to the inside of the containing box 32, and the containing box 32 is driven to approach the forming groove 13 by the second electric telescopic rod 31, and the raw material powder in the containing box 32 is moved to the inside of the forming groove 13. During the movement of the containing box 32, the pushing block 35 can push the transmission bar 212 to move, so that the embedding rod 215 is embedded in the through groove 226, and the lower mold 224 is continuously vibrated, so that the raw material powder falling into the forming groove 13 is also continuously vibrated, so that the raw material powder can be evenly distributed in the forming groove 13, which can improve the uniformity of density, and then the containing box 32 is driven away from the forming groove 13 by the second electric telescopic rod 31, and then the raw material powder in the forming groove 13 is squeezed into an alumina ceramic embryo by the extrusion part 6, and then the first electric telescopic rod 221 is extended for a distance and then retracted to push the alumina ceramic embryo out of the forming groove 13 so that it is aligned with the The upper surface of the processing table 1 is flush, and then the second electric telescopic rod 31 drives the containing box 32 to approach the forming groove 13. The pushing bar 33 can push the alumina ceramic embryo onto the vibration plate 23. The surface cleaning brush 413, the vibration of the vibration plate 23 and the bottom cleaning brush 231 can clean the floating powder on the surface of the alumina ceramic embryo. Then the alumina ceramic embryo will move to the belt conveyor 8 for transportation. The vibration of the belt conveyor 8 during operation can promote the shedding of floating powder. At the same time, the floating powder can be blown and collected by the fan part 414 and the dust collection part 42. The extension and retraction of the second electric telescopic rod 31 can realize automatic feeding of raw material powder and transportation of embryos. At the same time, the raw material powder and the vibration plate 23 can be vibrated during feeding. On the one hand, the density uniformity of the raw material powder can be improved and the generation of floating powder can be reduced. On the other hand, the floating powder of the embryo can be removed to facilitate subsequent sintering.
[0070] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0071] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A device for preparing a health-care ceramic product, comprising a pressing device, characterized in that: The pressing device comprises a processing table (1) and an L-shaped support (5) fixedly connected to the upper end of the processing table (1); an extrusion portion (6) is provided through the L-shaped support (5); a control portion (7) is fixedly provided on one side of the L-shaped support (5); a raw material moving component (3) and a floating powder removal component (4) are arranged at intervals on the upper end of the processing table (1); a uniform vibration component (2) is embedded in the upper end of the processing table (1), and the position of the uniform vibration component (2) matches that of the extrusion portion (6); a belt conveying portion (8) is embedded at the edge of the upper end of the processing table (1); a spiral conveying portion (9) is embedded in one side of the processing table (1); a collecting box (91) is fixedly connected to one side of the processing table (1); one end of the spiral conveying portion (9) passes through the processing table (1) and is embedded in the collecting box (91); the raw material moving component (3) is used to move the raw material powder into the interior of the processing table (1); the floating powder removal component (4) is used to remove the floating powder on the surface of the alumina ceramic embryo; and the uniform vibration component (2) is used to vibrate the raw material powder to make its density more uniform; The processing table (1) has an installation groove (11) at the upper edge, a collecting groove (12) is provided on the inner wall of the lower end of the installation groove (11), and the belt conveying part (8) is embedded in the installation groove (11), and the spiral conveying part (9) is arranged inside the collecting groove (12). The processing table (1) has a molding groove (13) and a movable cavity (14) at the upper end, and the processing table (1) also has a movable groove (15) at the upper end, and two groups of movable grooves (15) are provided, and the two groups of movable grooves (15) are both connected to the movable cavity (14), and the molding grooves (13) and the inside of the movable cavity (14) are connected, and three groups of molding grooves (13) are provided, the molding grooves (13) are used to contain raw material powder, and the collecting grooves (12) are used to collect raw material powder; The uniform vibration assembly (2) comprises a vibration component (21) embedded in the active cavity (14); a mold lifting component (22) is arranged inside the molding groove (13); the positions of the vibration component (21) and the mold lifting component (22) match; a vibration plate (23) is arranged at one end of the mold lifting component (22); a bottom cleaning brush (231) is fixedly arranged on the upper surface of the vibration plate (23); and the vibration plate (23) is arranged at an angle; the active cavity (14) and the active groove (15) are used to make way for the movement of the vibration component (21); the vibration component (21) is used to drive the mold lifting component (22) to vibrate, so that the raw material powder also vibrates; and the mold lifting component (22) is used to cooperate with the extrusion part (6) to extrude the raw material powder into shape.
2. The device for preparing a health-care ceramic product according to claim 1, characterized in that: The vibrating component (21) comprises a spring (211) embedded in the inner wall of the movable groove (15); one end of the spring (211) is fixedly connected to a transmission bar (212), and the transmission bar (212) is embedded in the movable groove (15); the upper end of the processing table (1) is fixedly connected to a protection frame (214), and the protection frame (214) is arranged outside the movable groove (15); two sets of transmission bars (212) and mounting bars (213) are provided, and four sets of springs (211) are provided. The two groups of transmission bars (212) are fixedly connected with a mounting bar (213), and the mounting bar (213) is arranged in contact with the inner wall of the lower end of the movable cavity (14); one side of the mounting bar (213) is fixedly connected with an embedding rod (215), and a plurality of embedded rods (215) are provided; the upper end of the embedded rod (215) is fixedly connected with a first arc block (216), and a plurality of first arc blocks (216) are provided; and the spring (211) is used to pull the embedded rod (215) to reset.
3. A device for preparing a health-care ceramic product as claimed in claim 2, characterized in that: The mold lifting component (22) comprises a first electric telescopic rod (221) embedded and fixedly connected to the bottom of the molding groove (13), and a bottom plate (222) fixedly connected to the upper end of the first electric telescopic rod (221); a pin shaft (223) is fixedly connected to the upper end of the bottom plate (222); a lower mold (224) is provided in contact with the upper end of the bottom plate (222); the pin shaft (223) is movably engaged with the lower end of the lower mold (224); a support foot groove (225) is provided at the upper end of the lower mold (224); and three groups of the support foot grooves (225) are provided. The support foot grooves (225) are used to control the shape of the alumina ceramic embryo.
4. A device for preparing a health-care ceramic product as claimed in claim 3, characterized in that: The lower mold (224) is provided with a through groove (226) on its outer surface, and two groups of through grooves (226) are symmetrically provided. The positions and numbers of the embedded rods (215) and the through grooves (226) are matched. A second arc block (227) is fixedly connected to the upper end of the through groove (226), and a plurality of groups of the second arc blocks (227) are provided. The heights of the second arc blocks (227) and the first arc blocks (216) match. A Z-shaped connecting strip (228) is fixedly connected to one side of the lower mold (224), and the other end of the Z-shaped connecting strip (228) is fixedly connected to the lower surface of the vibration plate (23). A cavity is provided inside the processing table (1) for the Z-shaped connecting strip (228) to be raised and lowered, and the height of the lower end of the cavity is lower than the height of the lower mold (224). The first arc block (216) is used to drive the lower mold (224).
5. The device for preparing a health-care ceramic product according to claim 4, characterized in that: The floating powder removal component (4) comprises a blowing component (41) arranged at the upper end of the processing table (1) and a dust suction part (42) embedded in one side of the blowing component (41); a belt cleaning brush (43) is fixedly connected to the inner wall of the mounting groove (11), and the belt cleaning brush (43) is arranged in contact with the outer surface of the belt conveying part (8); the blowing component (41) is used to clean the floating powder, and the belt cleaning brush (43) is used to clean the belt conveying part (8); The blowing assembly (41) comprises an outer box (411) fixedly connected to the upper end of the processing table (1), and both sides of the outer box (411) are provided with a clearance groove (412), and the upper inner wall of the clearance groove (412) is fixedly provided with a surface cleaning brush (413), and a fan part (414) is provided between the other side of the blowing assembly (41) and the L-shaped support (5). The vibration plate (23) is arranged above one end of the belt conveying part (8), and the side of the vibration plate (23) close to the inner wall of the installation groove (11) is inclined downward, and a group of the surface cleaning brushes (413) are arranged in contact with the uppermost end of the vibration plate (23), and the surface cleaning brushes (413) are used to reduce the escape of dust and clean the outer surface of the alumina ceramic embryo.
6. The device for preparing a health-care ceramic product according to claim 5, characterized in that: The raw material moving assembly (3) comprises a second electric telescopic rod (31) fixedly connected to the upper end of the processing table (1) and a containing box (32) fixedly connected to one end of the second electric telescopic rod (31); the lower end of the containing box (32) is in contact with the upper surface of the processing table (1); the inner wall of the containing box (32) is fixedly connected to a guide bending plate (34); one side of the containing box (32) is fixedly connected to a pushing bar (33); both sides of the containing box (32) are fixedly connected to pushing blocks (35); the pushing blocks (35) match the height of the transmission bar (212); the position of the containing box (32) matches the molding groove (13); the containing box (32) is used to push the raw material powder into the molding groove (13); and the pushing bar (33) is used to push the alumina ceramic embryo.
7. A device for preparing a health-care ceramic product as claimed in claim 6, characterized in that: The control unit (7) is electrically connected to the extrusion unit (6), the spiral conveying unit (9), the belt conveying unit (8), the dust collection unit (42), the first electric telescopic rod (221), the fan unit (414), and the second electric telescopic rod (31), respectively.
Citation Information
Patent Citations
Powder metallurgy part surface floating powder blowing and brushing device
CN116000288A