Alloy powder processing apparatus with multiple grinding capabilities

Abstract

The application discloses alloy powder processing equipment with multiple grinding functions and relates to the technical field of alloy powder processing. The alloy powder processing equipment comprises an operation table, the edge side of the upper surface of the operation table is symmetrically and fixedly provided with a first connecting frame, and the end of the first connecting frame is fixedly provided with a flow guide mechanism for guiding alloy powder. The operation table is used as the mounting and bearing platform of the whole grinding device, is welded by high-strength steel, and has a precisely processed surface, so that the flatness and coaxiality of the mounting positions of components are ensured and a stable foundation is provided for precise grinding operation. Meanwhile, sufficient operation and maintenance space is reserved, so that feeding and discharging and equipment maintenance are facilitated. The flow guide mechanism is used for constructing the conveying and temporary storage channel of alloy powder, the multistage box body structure realizes the orderly flow and phased treatment of powder from top to bottom, and the multiple grinding effect of alloy powder is achieved.

Description

Technical Field

[0001] This invention relates to the field of alloy powder processing technology, specifically to an alloy powder processing equipment with multiple grinding functions. Background Technology

[0002] Alloy powders are solid powder materials composed of two or more metals (or metals and non-metals), and are a key raw material for modern high-performance manufacturing. Their composition can be precisely designed according to performance requirements, and common types include nickel-based, titanium-based, cobalt-based, iron-based, and aluminum alloy powders. Advanced powder preparation technologies such as gas atomization and plasma rotating electrodes can yield powders with high purity, high sphericity, and uniform particle size distribution. The core value of alloy powders lies in their characteristic as "miniature ingots," where each powder particle has a homogeneous chemical composition consistent with the target alloy. This characteristic makes them ideal raw materials for near-net-shape forming technologies such as powder metallurgy and additive manufacturing (3D printing). In additive manufacturing, powder is melted and deposited layer by layer, directly creating complex geometric components that cannot be processed by traditional methods, and possessing excellent mechanical properties.

[0003] In the process of forming parts using alloy powder, uneven alloy powder particles will have a series of serious negative impacts on powder properties and the performance of the final product. Uneven particle size directly leads to excessively large or widely distributed powder particles. Excessively large particles will significantly reduce the flowability and bulk density of the powder. In subsequent powder metallurgy pressing or additive manufacturing powder laying processes, this can easily cause uneven layering and increased porosity, seriously affecting the uniformity and density of the green or printed blank. Summary of the Invention

[0004] To achieve the above objectives, the present invention provides the following technical solution: an alloy powder processing equipment with multiple grinding functions, comprising an operating table. A first connecting frame is symmetrically fixed to the sides of the upper surface of the operating table, and a flow guiding mechanism for guiding alloy powder is fixed to the end of the first connecting frame. The operating table, serving as the installation and support platform for the entire grinding device, is constructed from high-strength steel and precision-machined to ensure the flatness and coaxiality of the installation positions of each component, providing a stable foundation for precision grinding operations. Sufficient operating and maintenance space is also provided for easy loading, unloading, and equipment maintenance. The flow guiding mechanism constructs a channel for conveying and temporarily storing alloy powder. Its multi-stage box structure (top box, flow guiding box, bottom box) enables orderly flow and staged processing of powder from top to bottom, which is crucial for continuous grinding.

[0005] The discharge mechanism is used to collect the alloy powder after multiple grinding processes. The discharge mechanism is located at the bottom of the guiding mechanism. By setting up the discharge mechanism, the final qualified powder is collected, separated, and discharged. Combined with a closed-loop circulation system, it prevents dust spillage, ensures a clean working environment, and improves powder recovery rate.

[0006] The grinding mechanism, used for multiple grinding of alloy powder, is located within the inner cavity of the flow guiding mechanism. This grinding mechanism is the core execution unit of the entire device, performing the core crushing function. Through the synergistic action of multiple grinding elements, it achieves multiple and efficient processing of alloy materials from coarse crushing to fine grinding.

[0007] The second connecting frame is welded to the upper surface of the operating table, and a stepper motor is fixed to its end. By setting up the first and second connecting frames, the core support structures of the flow guiding / grinding system and the drive system are formed, respectively. The first connecting frame is symmetrically arranged, providing a stable and force-bearing mounting point for the flow guiding mechanism; the second connecting frame precisely lifts the stepper motor to a predetermined height, ensuring the power transmission angle and efficiency.

[0008] The flow guiding mechanism includes a top box and a bottom box. The top box is welded to the top of the first connecting frame, and the bottom box is welded to the bottom of the first connecting frame. The top box is located directly below the bottom box, and a flow guide box is welded to the lower surface of the top box. By setting up the top box and the bottom box, they respectively undertake the integrated functions of primary material buffering and final grinding chamber. The top box realizes feeding and uniform distribution, while the bottom box integrates the final fine grinding and discharge interface. The two are connected by the flow guide box to form a complete material handling flow line.

[0009] The grinding mechanism includes a grinding column, a third support rod welded to the top of the grinding column, a limit post welded to the end of the third support rod, and an extrusion ball rotatably connected to the outer surface of the limit post. By setting up the grinding column, the third support rod, the limit post, and the extrusion ball, key components for driving and linkage in the grinding mechanism are formed. The grinding column, as the main grinding body, provides efficient shearing and grinding pressure; the third support rod and the limit post achieve stable power transmission and precise positioning; and the extrusion ball cleverly transforms rotational motion into periodic linear motion controlling the material leakage mechanism.

[0010] Preferably, a feed valve is provided through the upper surface of the top box, and a material leakage mechanism for automatic material leakage is fixed at the bottom of the inner wall of the top box. The material leakage mechanism includes a blocking ring and a blocking disc. The blocking ring is welded to the bottom of the inner wall of the top box, and an annular groove is provided on the lower surface of the blocking ring. The blocking disc is movably connected to the inner ring of the blocking ring, and the blocking disc is frictionally adapted to the inner ring of the blocking ring.

[0011] Preferably, a conical block is welded to the upper surface of the blocking disc, and an inclined ring is welded to the lower surface of the blocking disc. The inner ring of the inclined ring is an annular inclined surface. The extrusion ball is extruded and adapted to the inner ring of the inclined ring. A first support rod is welded to the side of the lower surface of the blocking disc. The end of the first support rod away from the blocking disc extends directly below the annular groove opened on the lower surface of the blocking ring. A sliding ring is welded to the end of the first support rod away from the blocking disc. The sliding ring is slidably connected to the annular groove opened on the lower surface of the blocking ring, and the sliding ring is smaller than the annular groove opened on the lower surface of the blocking ring. A first spring is welded to the upper surface of the sliding ring, and the top of the first spring is welded to the top of the annular groove opened on the lower surface of the blocking ring.

[0012] Preferably, an inner friction ring is welded to the inner wall of the flow guide box. The inner surface of the inner friction ring has several grinding grooves. The grinding column is frictionally adapted to the inner surface of the inner friction ring. A first screening ring is welded to the lower surface of the inner friction ring. The upper surface of the first screening ring has several material passage holes. The lower surface of the grinding column is frictionally adapted to the upper surface of the first screening ring. A support column is welded to the lower surface of the grinding column. The support column is frictionally adapted to the inner ring of the first screening ring.

[0013] Preferably, the discharge mechanism includes a funnel, which is welded to the inner wall of the bottom box. A connecting pipe is welded to the lower surface of the funnel, and a material passage cylinder is welded to the bottom of the inner wall of the funnel. The outer surface of the material passage cylinder has several material passage holes. The material passage cylinder is connected to the connecting pipe. A discharge pipe is welded to the opening at the bottom end of the connecting pipe, and an exhaust fan is fixed to the bottom of the inner wall of the connecting pipe.

[0014] Preferably, a support plate is welded to the inner wall of the connecting pipe, a limiting tube is welded to the end of the support plate, a sliding rod is slidably connected to the inner cavity of the limiting tube, the top end of the sliding rod passes through the limiting tube, a second spring is sleeved on the outer surface of the sliding rod, the bottom end of the second spring is welded to the bottom end of the sliding rod, the top end of the second spring is welded to the top of the inner wall of the limiting tube, a material-transmitting disc is welded to the top end of the sliding rod, and a blocking ring is welded to the upper surface of the material-transmitting disc, the blocking ring being frictionally adapted to the inner wall of the material-transmitting cylinder.

[0015] Preferably, the output end of the stepper motor is equipped with a rotating rod via a coupling. A first rotating cylinder is welded to the top of the rotating rod. A fixing plate is welded to the top of the first connecting frame. A rolling bearing is welded to the bottom of the fixing plate. A second rotating cylinder is welded to the outer ring of the rolling bearing. The first rotating cylinder is connected to the second rotating cylinder via a belt. The grinding mechanism also includes a second support rod, the top of which is welded to the lower surface of the second rotating cylinder.

[0016] Preferably, a rotating box is welded to the bottom end of the second support rod. The rotating box is rotatably connected to the upper surface of the bottom box. The upper surface of the rotating box is frictionally adapted to the bottom end of the guide box. A rubber ring is fixed to the inner wall of the rotating box. A rubber pad is fixed to the outer surface of the bottom box. The rubber pad is squeezed and adapted to the rubber ring. A ring is welded to the inner wall of the rotating box. A second screening ring is welded to the bottom of the inner wall of the ring. A conical box is welded to the inner ring of the second screening ring. The upper surface of the conical box is welded to the bottom end of the support column.

[0017] Preferably, a fourth support rod is welded to the inner wall of the cone-shaped box, the bottom end of the fourth support rod passes through a track tube, a movable rod is slidably connected to the inner cavity of the track tube, a third spring is welded to the top of the movable rod, the top of the third spring is welded to the top of the inner wall of the track tube, a grinding block is welded to the bottom of the movable rod, and a grinding strip is welded to the bottom of the inner wall of the funnel, with the grinding block and the grinding strip being frictionally matched.

[0018] This invention provides an alloy powder processing device with multiple grinding functions. It has the following beneficial effects:

[0019] I. This alloy powder processing equipment with multiple grinding functions is equipped with a discharge mechanism to collect, separate, and discharge the final qualified powder. Combined with a closed-loop circulation system, it prevents dust from overflowing, ensures a clean working environment, and improves powder recovery rate. By setting up a powder transfer device, the alloy powder discharged by the discharge mechanism can be guided to the inner cavity of the alloy mold. Through the operation of the hydraulic cylinder, the alloy powder is extruded and shaped, thereby improving the forming effect of the alloy powder and reducing the probability of defective products.

[0020] Second, this alloy powder processing equipment with multiple grinding functions constructs a conveying and temporary storage channel for alloy powder by setting a flow guiding mechanism. Its multi-level box structure realizes the orderly flow and staged processing of powder from top to bottom, which is the key to achieving continuous grinding.

[0021] Third, this alloy powder processing equipment with multiple grinding functions, by setting up a grinding mechanism, is the execution unit for the core crushing function of the entire device. Through the synergistic effect of multiple grinding elements, it realizes multiple and efficient processing of alloy materials from coarse crushing to fine grinding.

[0022] IV. This alloy powder processing equipment with multiple grinding functions has a material leakage mechanism, which is a key automatic valve mechanism for controlling the material discharge rate in the primary grinding chamber. The clogging ring, as a fixed sealing seat ring, is precisely matched with the clogging disc. Through periodic opening and closing, the coarsely crushed powder enters the next grinding space at a set rhythm, ensuring that the grinding process is uniform and continuous, and improving grinding efficiency and particle size consistency.

[0023] V. This alloy powder processing equipment with multiple grinding functions uses a conical block to guide and disperse the powder entering the discharge mechanism, preventing material from accumulating in the center of the clogging disc and causing bridging, thus ensuring that the powder flows smoothly to the discharge port. By setting up an inclined ring and its dynamic interaction with the extrusion ball, a clever mechanical self-excited oscillation opening mechanism is formed. As the grinding column rotates, the extrusion ball periodically extrudes the inclined surface of the inclined ring, thereby precisely converting the rotational motion of the grinding mechanism into the vertical reciprocating motion of the clogging disc, realizing the automatic and periodic opening and closing of the discharge port. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the external structure of an alloy powder processing equipment with multiple grinding functions according to the present invention;

[0025] Figure 2 This is a front view of the structure of an alloy powder processing device with multiple grinding functions according to the present invention;

[0026] Figure 3 This is a schematic diagram of the flow guiding mechanism of the present invention;

[0027] Figure 4 This is a schematic diagram of the material leakage mechanism of the present invention;

[0028] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of structure A in the middle;

[0029] Figure 6 This is a schematic diagram of the material discharge mechanism of the present invention;

[0030] Figure 7 This is a partial structural schematic diagram of an alloy powder processing equipment with multiple grinding functions according to the present invention;

[0031] Figure 8 This is a schematic diagram of the grinding mechanism of the present invention;

[0032] Figure 9 This is a partial structural diagram of the grinding mechanism of the present invention;

[0033] Figure 10 This is a schematic cross-sectional view of the grinding mechanism of the present invention;

[0034] Figure 11 This is a partial cross-sectional structural diagram of the grinding mechanism of the present invention.

[0035] In the diagram: 1. Control panel; 2. First connecting frame;

[0036] 3. Flow guiding mechanism; 31. Top box; 32. Feed valve; 33. Material leakage mechanism; 34. Flow guiding box; 35. Inner friction ring; 36. First screening ring; 37. Bottom box; 38. Rubber pad; 331. Blocking ring; 332. Blocking disc; 333. Conical block; 334. Inclined ring; 335. First support rod; 336. Sliding ring; 337. First spring;

[0037] 4. Discharge mechanism; 41. Funnel; 42. Connecting pipe; 43. Through-feed cylinder; 44. Support plate; 45. Limiting pipe; 46. Sliding rod; 47. Second spring; 48. Through-feed disc; 49. Blocking ring; 410. Exhaust fan; 411. Discharge pipe; 412. Grinding bar;

[0038] 5. Grinding mechanism; 51. Second support rod; 52. Rotating box; 53. Rubber ring; 54. Circular ring; 55. Second screening ring; 56. Conical box; 57. Support column; 58. Grinding column; 59. Third support rod; 510. Limiting column; 511. Extrusion ball; 512. Fourth support rod; 513. Track tube; 514. Moving rod; 515. Third spring; 516. Grinding block;

[0039] 6. Second connecting frame; 7. Stepper motor; 8. Rotating rod; 9. First rotating drum; 10. Belt; 11. Fixing plate; 12. Rolling bearing; 13. Second rotating drum; 14. Powder transfer device; 15. Alloy mold; 16. Support frame; 17. Hydraulic cylinder. Detailed Implementation

[0040] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0041] like Figures 1-11As shown, this invention provides a technical solution: an alloy powder processing equipment with multiple grinding functions, including an operating table 1. A first connecting frame 2 is symmetrically fixed to the sides of the upper surface of the operating table 1, and a flow guiding mechanism 3 for guiding alloy powder is fixed to the end of the first connecting frame 2. The operating table 1, serving as the installation and support platform for the entire grinding device, is welded from high-strength steel and its surface is precision machined to ensure the flatness and coaxiality of the installation positions of each component, providing a stable foundation for precision grinding operations. Sufficient operating and maintenance space is also reserved for easy loading, unloading, and equipment maintenance. The flow guiding mechanism 3 constructs a channel for conveying and temporarily storing alloy powder. Its multi-stage box structure (top box 31, flow guiding box 34, bottom box 37) achieves orderly flow and staged processing of powder from top to bottom, which is key to achieving continuous grinding.

[0042] The discharge mechanism 4 is used to collect the alloy powder after multiple grinding processes. The discharge mechanism 4 is located at the bottom of the guide mechanism 3. By setting up the discharge mechanism 4, it is responsible for collecting, separating and discharging the final qualified powder, and combining it with the closed-loop circulation system to prevent dust from overflowing, ensure a clean working environment and high powder recovery rate.

[0043] The grinding mechanism 5 is used for multiple grinding of alloy powder and is located inside the flow guiding mechanism 3. The grinding mechanism 5 is the core unit of the entire device for performing the core crushing function. Through the synergistic action of multiple grinding elements, it achieves multiple and efficient processing of alloy materials from coarse crushing to fine grinding.

[0044] The second connecting frame 6 is welded to the upper surface of the operating table 1, and a stepper motor 7 is fixed to its end. By setting the first connecting frame 2 and the second connecting frame 6, the core support structures of the flow guiding / grinding system and the drive system are respectively formed. The first connecting frame 2 is symmetrically arranged, providing a stable and force-bearing mounting point for the flow guiding mechanism 3; the second connecting frame 6 precisely lifts the stepper motor 7 to a predetermined height, ensuring the power transmission angle and efficiency.

[0045] The flow guiding mechanism 3 includes a top box 31 and a bottom box 37. The top box 31 is welded to the top of the first connecting frame 2, and the bottom box 37 is welded to the bottom of the first connecting frame 2. The top box 31 is located directly below the bottom box 37, and a flow guiding box 34 is welded to the lower surface of the top box 31. By setting up the top box 31 and the bottom box 37, they respectively undertake the integrated functions of primary material buffering and final grinding chamber. The top box 31 realizes feeding and uniform distribution, and the bottom box 37 integrates the final fine grinding and discharge interface. The two are connected by the flow guiding box 34 to form a complete material handling flow line.

[0046] The grinding mechanism 5 includes a grinding column 58, with a third support rod 59 welded to the top of the grinding column 58. A limiting post 510 is welded to the end of the third support rod 59, and an extrusion ball 511 is rotatably connected to the outer surface of the limiting post 510. The grinding column 58, the third support rod 59, the limiting post 510, and the extrusion ball 511 constitute the key components for driving and linkage in the grinding mechanism 5. The grinding column 58, as the main grinding body, provides efficient shearing and grinding pressure; the third support rod 59 and the limiting post 510 achieve stable power transmission and precise positioning; and the extrusion ball 511 cleverly transforms rotational motion into periodic linear motion controlling the material leakage mechanism 33.

[0047] The powder transferor 14 is used to transfer the alloy powder discharged by the discharge mechanism 4, so as to directly pour the prepared metal powder into the metallurgical mold. The powder transferor 14 is specifically a vacuum conveying pump that can output the metal powder. The upper surface of the operating table 1 is fixed with an alloy mold 15, which includes a bottom mold and a top mold. The upper surface of the operating table 1 is fixed with a support frame 16, and the top of the support frame 16 is fixed with a hydraulic cylinder 17. The output end of the hydraulic cylinder 17 is fixed on the upper surface of the top mold of the alloy mold 15. By setting the hydraulic cylinder 17, the top mold and bottom mold of the alloy mold 15 can be squeezed during operation, thereby realizing the forming of alloy powder.

[0048] A feed valve 32 extends through the upper surface of the top chamber 31. A material discharge mechanism 33 for automatic material discharge is fixed to the bottom of the inner wall of the top chamber 31. The material discharge mechanism 33 includes a blocking ring 331 and a blocking disc 332. The blocking ring 331 is welded to the bottom of the inner wall of the top chamber 31, and an annular groove is formed on the lower surface of the blocking ring 331. The blocking disc 332 is movably connected to the inner ring of the blocking ring 331, and the blocking disc 332 is frictionally fitted with the inner ring of the blocking ring 331. By setting the feed valve 32, the controllable and quantitative addition of alloy powder raw materials is realized, ensuring the stable material load in the grinding chamber and avoiding overload or idling. The material leakage mechanism 33 is a key automatic valve mechanism for controlling the material discharge rate in the primary grinding chamber. The clogging ring 331, as a fixed sealing seat, precisely matches the clogging disc 332. Through periodic opening and closing, it ensures that the coarsely crushed powder enters the next grinding space at a set rhythm, guaranteeing a uniform and continuous grinding process and improving grinding efficiency and particle size consistency. A conical block 333 is welded to the upper surface of the clogging disc 332, and an inclined ring 334 is welded to the lower surface. The inner ring of the inclined ring 334 is an annular inclined surface. The extrusion ball 511 is extruded and fitted to the inner ring of the inclined ring 334, thus controlling the material discharge rate. A first support rod 335 is welded to the side of the lower surface of the plug plate 332. The end of the first support rod 335 away from the plug plate 332 extends directly below the annular groove on the lower surface of the plug ring 331. A sliding ring 336 is welded to the end of the first support rod 335 away from the plug plate 332. The sliding ring 336 is slidably connected to the annular groove on the lower surface of the plug ring 331, and the sliding ring 336 is smaller than the annular groove on the lower surface of the plug ring 331. A first spring 337 is welded to the upper surface of the sliding ring 336, and the top of the first spring 337 is welded to the top of the annular groove on the lower surface of the plug ring 331. By setting the conical block 333, the powder entering the discharge mechanism 33 is guided and dispersed, preventing the material from accumulating in the center of the plug plate 332 and causing bridging, ensuring that the powder can flow smoothly to the discharge port. By setting the inclined ring 334 and its dynamic cooperation with the extrusion ball 511, a clever mechanical self-excited oscillation opening mechanism is formed. As the grinding column 58 rotates, the extrusion ball 511 periodically extrudes the inclined surface of the inclined ring 334, thereby precisely converting the rotational motion of the grinding mechanism 5 into the vertical reciprocating motion of the blocking disc 332, realizing the automatic and periodic opening and closing of the discharge port. By setting the first support rod 335, the sliding ring 336, and the first spring 337, a precision guiding and resetting system for the blocking disc 332 is formed. The first support rod 335 transmits and fixes the motion unit; the sliding ring 336 guides within the annular groove; and the first spring 337 provides a stable restoring force, quickly pushing the inclined blocking disc 332 back to the closed position after the extrusion ball 511 disengages, ensuring sealing reliability. This allows the alloy powder in the inner cavity of the top box 31 to rotate and leak into the inner cavity of the guide box 34 in an annular discharge manner. This purely mechanical linkage design requires no additional electrical control, offering high reliability and rapid response.

[0049] An inner friction ring 35 is welded to the inner wall of the guide box 34. The inner surface of the inner friction ring 35 has several grinding grooves. The grinding column 58 is frictionally adapted to the inner surface of the inner friction ring 35. A first screening ring 36 is welded to the lower surface of the inner friction ring 35. The upper surface of the first screening ring 36 has several material passage holes. The lower surface of the grinding column 58 is frictionally adapted to the upper surface of the first screening ring 36. A support column 57 is welded to the lower surface of the grinding column 58, and the support column 57 is frictionally adapted to the inner ring of the first screening ring 36. By setting the inner friction ring 35 as the stator for grinding, the precision-machined grinding grooves on its inner surface greatly increase the contact area and shearing action with the rotating grinding column 58, further crushing and refining the coarser powder falling from the top box 31. Its wear-resistant high-chromium cast iron material ensures long-term stability and grinding efficiency. The first screening ring 36 plays a crucial role in grading and screening. It allows powder with a preset fineness smaller than the through-hole diameter to pass through and enter the next process, while retaining larger particles. These larger particles undergo end-face grinding between the bottom surface of the grinding column 58 and the upper surface of the first screening ring 36, achieving forced secondary grinding. The support column 57 serves two purposes: firstly, it is part of the grinding column 58 structure, enhancing its overall rigidity; secondly, its frictional fit with the inner ring of the first screening ring 36 assists in centering and grinding, preventing powder from short-circuiting through the central area and ensuring all materials are fully processed.

[0050] The discharge mechanism 4 includes a funnel 41, which is welded to the inner wall of the base box 37. A connecting pipe 42 is welded to the lower surface of the funnel 41, and a material passage cylinder 43 is welded to the bottom of the inner wall of the funnel 41. The outer surface of the material passage cylinder 43 has several material passage holes. The material passage cylinder 43 is connected to the connecting pipe 42, and a discharge pipe 411 is welded to the opening at the bottom of the connecting pipe 42. An exhaust fan 410 is fixed to the bottom of the inner wall of the connecting pipe 42. By setting up the funnel 41, the powder after multiple grinding is collected. Its conical structure facilitates the powder to slide down naturally by gravity, avoiding accumulation at the bottom, which is the basis for achieving continuous discharge. By setting up the material passage cylinder 43, a final fine-grinding powder screening and collection unit is formed. Qualified powder enters through the holes in its outer wall, while tiny particle clusters that have not reached the final fineness may be blocked for further processing and combined with the exhaust system to achieve preliminary gas-solid separation. By setting an exhaust fan 410 at the end of the discharge channel, a slightly negative pressure environment is created. Its force can accelerate the powder through the holes of the material passing cylinder 43 and help guide the heat and trace dust that may be generated during the grinding process to the external filtration system through the connecting pipe 42 and the discharge pipe 411, maintaining the stability of the environment inside the grinding chamber, cooling the powder and reducing dust pollution. A support plate 44 is welded to the inner wall of the connecting pipe 42, and a limit tube 45 is welded to the end of the support plate 44. A sliding rod 46 is slidably connected to the inner cavity of the limit tube 45. The top end of the sliding rod 46 passes through the limit tube 45. A second spring 47 is sleeved on the outer surface of the sliding rod 46. The bottom end of the second spring 47 is welded to the bottom end of the sliding rod 46, and the top end of the second spring 47 is welded to the top of the inner wall of the limit tube 45. A material passing plate 48 is welded to the top end of the sliding rod 46, and a blocking ring 49 is welded to the upper surface of the material passing plate 48. The blocking ring 49 is frictionally adapted to the inner wall of the material passing cylinder 43. A dynamic anti-clogging and unblocking intelligent mechanism is formed by setting up a support plate 44, a limiting tube 45, a sliding rod 46, a second spring 47, a material conveying plate 48, and a blocking ring 49. During the grinding process, the blocking ring 49, under the thrust of the second spring 47, tightly seals the inner wall of the material conveying cylinder 43, preventing alloy powder from leaking out of the funnel 41. After the alloy powder grinding is completed, the exhaust fan 410 is activated. Under the influence of the airflow, suction is generated in the inner cavity of the limiting tube 45, causing the sliding rod 46 to move the material conveying plate 48 and the blocking ring 49 downwards. Ultimately, the blocking ring 49 no longer blocks the inner wall of the material conveying cylinder 43, and under the influence of the airflow, the alloy powder in the inner cavity of the funnel 41 is drawn into the inner cavity of the connecting pipe 42.

[0051] A rotating rod 8 is mounted on the output end of the stepper motor 7 via a coupling. A first rotating cylinder 9 is welded to the top of the rotating rod 8. A fixed plate 11 is welded to the top of the first connecting frame 2. A rolling bearing 12 is welded to the bottom of the fixed plate 11. A second rotating cylinder 13 is welded to the outer ring of the rolling bearing 12. The first rotating cylinder 9 is connected to the second rotating cylinder 13 via a belt 10. The grinding mechanism 5 also includes a second support rod 51, the top of which is welded to the lower surface of the second rotating cylinder 13. By setting up the rotating rod 8, the first rotating cylinder 9, the fixed plate 11, the rolling bearing 12, the second rotating cylinder 13, the belt 10, and the second support rod 51, a precision power transmission and reduction system from the stepper motor 7 to the grinding mechanism 5 is formed. The power output from the stepper motor 7 is transmitted to the first rotating drum 9 via the rotating rod 8; the belt 10 drive serves to buffer, reduce speed and prevent overload, while also facilitating the adjustment of the transmission ratio to adapt to different grinding requirements; the second rotating drum 13 achieves smooth rotation under the support of the rolling bearing 12, and transmits the decelerated torque precisely and concentrically to the entire grinding mechanism 5 below via the second support rod 51, ensuring the stability and uniformity of the grinding force.

[0052] A rotating box 52 is welded to the bottom end of the second support rod 51. The rotating box 52 is rotatably connected to the upper surface of the base box 37. The upper surface of the rotating box 52 is frictionally fitted with the bottom end of the guide box 34. A rubber ring 53 is fixed to the inner wall of the rotating box 52. A rubber pad 38 is fixed to the outer surface of the base box 37. The rubber pad 38 is squeezed and fitted with the rubber ring 53. A circular ring 54 is welded to the inner wall of the rotating box 52. A second screening ring 55 is welded to the bottom of the inner wall of the circular ring 54. A conical box 56 is welded to the inner ring of the second screening ring 55. The upper surface of the conical box 56 is welded to the bottom end of the support column 57. By setting the rotating box 52, the rubber ring 53 and the rubber pad 38, a highly efficient dynamic seal and buffer interface is formed between the main rotating component (grinding mechanism 5) and the fixed box (base box 37). The rotating chamber 52 houses the internal fine grinding components; the rubber ring 53 and rubber pad 38 form a tight rotating friction pair during rotation, providing excellent vibration damping and noise absorption, while also reducing the impact force of the rotating chamber 52 striking the outer surface of the bottom chamber 37. The final stage of fine grinding and sorting is constructed by setting up the circular ring 54, the second screening ring 55, and the conical chamber 56. The circular ring 54 serves as a base plate for fixing the internal support structure; the second screening ring 55 controls the final particle size, allowing only ultrafine powder reaching the target fineness to pass through, and when the rotating chamber 52 rotates and impacts the bottom chamber 37, the alloy powder on the upper surface of the second screening ring 55 is vibrated and screened off; the conical chamber 56 is connected to the support column 57, driving the rotation of its internal core grinding elements to perform final grinding and crushing of the finest particle clusters that failed to pass through the second screening ring 55, thereby ensuring that the final powder has a uniform and compliant fineness distribution. Meanwhile, since the axis of the rotating box 52 is not on the same straight line as the axis of the bottom box 37 and the top box 31, when the rotating box 52 rotates, the grinding column 58 will make full contact with the inner wall of the inner friction ring 35, so that the alloy powder attached to the inner wall of the inner friction ring 35 will be fully ground.

[0053] A fourth support rod 512 is welded to the inner wall of the cone-shaped box 56. The bottom end of the fourth support rod 512 passes through a track tube 513. A moving rod 514 is slidably connected to the inner cavity of the track tube 513. A third spring 515 is welded to the top of the moving rod 514, and the top of the third spring 515 is welded to the top of the inner wall of the track tube 513. A grinding block 516 is welded to the bottom of the moving rod 514. A grinding strip 412 is welded to the bottom of the inner wall of the funnel 41, and the grinding block 516 and the grinding strip 412 are frictionally fitted together. The fourth support rod 512, track tube 513, moving rod 514, third spring 515, grinding block 516, and grinding strip 412 constitute the final grinding execution assembly. The fourth support rod 512 and track tube 513 rigidly connect the grinding block 516 to the drive system and provide it with a precise vertical movement track. The moving rod 514 slides within the track tube 513. The third spring 515 applies a controllable and stable axial preload, forcing the grinding block 516 to adhere tightly to the fixed grinding strip 412 with a certain pressure, forming a pair of highly efficient end-face grinding friction pairs. When the entire grinding mechanism 5 rotates, the grinding block 516 performs relative grinding motion on the grinding strip 412. The elastic design of the third spring 515 can automatically compensate for the wear of the grinding block 516, maintain a constant grinding pressure, ensure long-term stability of grinding efficiency, and at the same time provide a certain buffering protection against trace amounts of hard impurities that may be mixed in.

[0054] Working Principle: During use, the operator feeds the alloy powder to be ground in multiple stages into the inner cavity of the top chamber 31 through the feed valve 32. Then, the stepper motor 7 is connected to the power supply and its switch is turned on, causing the output end to drive the rotating rod 8 and the first rotating drum 9 to rotate. Under the transmission of the belt 10, the second rotating drum 13 drives the rotating box 52 to rotate. During the rotation of the rotating box 52, the extrusion ball 511, positioned at the top of the grinding column 58 by the third support rod 59 and the limiting column 510, extrudes the inclined ring 334. Because the axis of the rotating box 52 is not aligned with the axis of the bottom chamber 37 and the top chamber 31, the extrusion ball 511 performs annular extrusion on the inner ring of the inclined ring 334. During the extrusion process, the area being extruded tilts, causing the blocking disc 332 to tilt relative to the blocking ring 331, thus creating a certain gap. This gap is further extruded during the rotation of the rotating box 52. This open gap exhibits a tendency to rotate and move, ultimately causing the alloy powder in the inner cavity of the top box 31 to rotate and leak, falling onto the inner wall of the inner friction ring 35. While the rotating box 52 drives the grinding column 58 to rotate, the grinding column 58 grinds the alloy powder on the inner wall of the inner friction ring 35. The alloy powder ground to a certain diameter falls onto the surface of the first sieve ring 36, and during the stirring process, the alloy powder that has reached the initial standard falls into the inner cavity of the circular ring 54 and the second sieve ring 55, and under the shaking, it falls evenly into the inner cavity of the bottom box 37. The alloy powder falling into the inner cavity of the bottom box 37 and the funnel 41 will contact the grinding block 516 and be further ground during the rotation of the rotating box 52. When the powder is in the grinding process, the blocking ring 49 tightly seals and blocks the inner wall of the material cylinder 43 under the thrust of the second spring 47, preventing the alloy powder in the inner cavity of the funnel 41 from leaking out. After the alloy powder grinding is completed, the exhaust fan 410 is started. Under the influence of the airflow, suction is generated in the inner cavity of the limiting tube 45, which causes the sliding rod 46 to drive the material passing plate 48 and the blocking ring 49 to move downward. Finally, the blocking ring 49 no longer blocks the inner wall of the material passing cylinder 43. Under the influence of the airflow, the alloy powder in the inner cavity of the funnel 41 is sucked into the inner cavity of the connecting pipe 42 and finally collected through the discharge pipe 411.

[0055] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. An alloy powder processing equipment with multiple grinding functions, characterized in that, include: An operating table (1) is provided with a first connecting frame (2) symmetrically fixed on the side of the upper surface of the operating table (1), and a guiding mechanism (3) for guiding alloy powder is fixed at the end of the first connecting frame (2). The discharge mechanism (4) is used to collect the alloy powder after multiple grinding. The discharge mechanism (4) is located at the bottom of the guide mechanism (3). A grinding mechanism (5) is used to perform multiple grinding of alloy powder, and the grinding mechanism (5) is disposed in the inner cavity of the flow guiding mechanism (3); The second connecting frame (6) is welded to the upper surface of the operating table (1), and a stepper motor (7) is fixed at the end of the second connecting frame (6). The flow guiding mechanism (3) includes a top box (31) and a bottom box (37). The top box (31) is welded to the top of the first connecting frame (2), and the bottom box (37) is welded to the bottom of the first connecting frame (2). The top box (31) is located directly below the bottom box (37). A flow guiding box (34) is welded to the lower surface of the top box (31). A material leakage mechanism (33) for automatic material leakage is fixed to the bottom of the inner wall of the top box (31). The material leakage mechanism (33) includes a blocking ring (331) and a blocking disc (33). 2) The blocking ring (331) is welded to the bottom of the inner wall of the top box (31). The lower surface of the blocking ring (331) is provided with an annular groove. The blocking disc (332) is movably connected to the inner ring of the blocking ring (331). The blocking disc (332) is frictionally adapted to the inner ring of the blocking ring (331). The upper surface of the blocking disc (332) is welded with a conical block (333). The lower surface of the blocking disc (332) is welded with an inclined ring (334). The inner ring of the inclined ring (334) is an annular inclined surface. A first support rod (335) is welded to the side of the lower surface of the blocking disc (332). The end of the first support rod (335) away from the blocking disc (332) extends to the bottom of the annular groove on the lower surface of the blocking ring (331). A sliding ring (336) is welded to the end of the first support rod (335) away from the blocking disc (332). The sliding ring (336) is slidably connected to the annular groove on the lower surface of the blocking ring (331). The sliding ring (336) is smaller than the annular groove on the lower surface of the blocking ring (331). A first spring (337) is welded to the upper surface of the sliding ring (336). The top of the first spring (337) is welded to the top of the annular groove on the lower surface of the blocking ring (331). The grinding mechanism (5) includes a grinding column (58), a third support rod (59) is welded to the top of the grinding column (58), a limit post (510) is welded to the end of the third support rod (59), and an extrusion ball (511) is rotatably connected to the outer surface of the limit post (510). The extrusion ball (511) is adapted to the inclined surface of the inclined ring (334).

2. The alloy powder processing equipment with multiple grinding functions according to claim 1, characterized in that: An inner friction ring (35) is welded to the inner wall of the flow guide box (34). The inner surface of the inner friction ring (35) is provided with several grinding grooves. The grinding column (58) is rubbed against the inner surface of the inner friction ring (35). A first screening ring (36) is welded to the lower surface of the inner friction ring (35). The upper surface of the first screening ring (36) is provided with several material passage holes. The lower surface of the grinding column (58) is rubbed against the upper surface of the first screening ring (36). A support column (57) is welded to the lower surface of the grinding column (58). The support column (57) is rubbed against the inner ring of the first screening ring (36).

3. The alloy powder processing equipment with multiple grinding functions according to claim 1, characterized in that: The discharge mechanism (4) includes a funnel (41) welded to the inner wall of the base box (37). A connecting pipe (42) is welded to the lower surface of the funnel (41). A discharge pipe (411) is welded to the opening at the bottom of the connecting pipe (42). A powder transfer device (14) is fixedly installed at the bottom of the discharge pipe (411). The powder transfer device (14) is used to transfer the alloy powder discharged by the discharge mechanism (4). An alloy mold (15) is fixedly installed on the upper surface of the operating table (1). The alloy mold (15) is used to perform zero-reduction processing using alloy powder. The alloy mold (15) includes a bottom mold and a top mold. A support frame (16) is fixed on the upper surface of the operating table (1). A hydraulic cylinder (17) is fixed on the top of the support frame (16). The output end of the hydraulic cylinder (17) is fixed on the upper surface of the top mold of the alloy mold (15). A material passage cylinder (43) is welded to the bottom of the inner wall of the funnel (41). Several material passage holes are opened on the outer surface of the material passage cylinder (43). The material passage cylinder (43) is connected to the connecting pipe (42). An exhaust fan (410) is fixed on the bottom of the inner wall of the connecting pipe (42).

4. The alloy powder processing equipment with multiple grinding functions according to claim 3, characterized in that: A support plate (44) is welded to the inner wall of the connecting pipe (42). A limiting pipe (45) is welded to the end of the support plate (44). A sliding rod (46) is slidably connected to the inner cavity of the limiting pipe (45). The top end of the sliding rod (46) passes through the limiting pipe (45). A second spring (47) is sleeved on the outer surface of the sliding rod (46). The bottom end of the second spring (47) is welded to the bottom end of the sliding rod (46). The top end of the second spring (47) is welded to the top of the inner wall of the limiting pipe (45). A material-transmitting disc (48) is welded to the top end of the sliding rod (46). A blocking ring (49) is welded to the upper surface of the material-transmitting disc (48). The blocking ring (49) is frictionally adapted to the inner wall of the material-transmitting cylinder (43).

5. The alloy powder processing equipment with multiple grinding functions according to claim 4, characterized in that: The output end of the stepper motor (7) is equipped with a rotating rod (8) via a coupling. A first rotating cylinder (9) is welded to the top of the rotating rod (8). A fixing plate (11) is welded to the top of the first connecting frame (2). A rolling bearing (12) is welded to the bottom of the fixing plate (11). A second rotating cylinder (13) is welded to the outer ring of the rolling bearing (12). The first rotating cylinder (9) is connected to the second rotating cylinder (13) via a belt (10). The grinding mechanism (5) also includes a second support rod (51). The top of the second support rod (51) is welded to the lower surface of the second rotating cylinder (13).

6. The alloy powder processing equipment with multiple grinding functions according to claim 5, characterized in that: A rotating box (52) is welded to the bottom end of the second support rod (51). The rotating box (52) is rotatably connected to the upper surface of the bottom box (37). The upper surface of the rotating box (52) is rubbed against the bottom end of the guide box (34). A rubber ring (53) is fixed to the inner wall of the rotating box (52). A rubber pad (38) is fixed to the outer surface of the bottom box (37). The rubber pad (38) is squeezed and matched with the rubber ring (53). A ring (54) is welded to the inner wall of the rotating box (52). A second screening ring (55) is welded to the bottom of the inner wall of the ring (54). A conical box (56) is welded to the inner ring of the second screening ring (55). The upper surface of the conical box (56) is welded to the bottom end of the support column (57).

7. The alloy powder processing equipment with multiple grinding functions according to claim 6, characterized in that: A fourth support rod (512) is welded to the inner wall of the cone-shaped box (56). The bottom end of the fourth support rod (512) passes through a track tube (513). A moving rod (514) is slidably connected to the inner cavity of the track tube (513). A third spring (515) is welded to the top of the moving rod (514). The top end of the third spring (515) is welded to the top of the inner wall of the track tube (513). A grinding block (516) is welded to the bottom of the moving rod (514). A grinding strip (412) is welded to the bottom of the inner wall of the funnel (41). The grinding block (516) and the grinding strip (412) are rubbed together.

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