Molybdenum powder vibration device for molybdenum product machining

Abstract

The invention relates to the technical field of molybdenum powder vibration machining, in particular to a molybdenum powder vibration device for molybdenum product machining, which comprises a base, a sealing shell is arranged on the upper side of the base, a feeding box is fixedly mounted at the upper end of the base and used for feeding molybdenum powder to be screened, a plurality of supporting frames are fixedly mounted at the inner end of the sealing shell, and screening nets are mounted at the inner ends of the supporting frames. A vibrator used for generating vibration is fixedly installed at the inner end of the sealing shell, a supporting cylinder is arranged at the inner end of the separating screen in a penetrating mode, and a suction device is arranged between the supporting cylinder and the coarse screen. A transmission rope drives a transmission chain to be in linkage with a driving block to do reciprocating motion, a movable sleeve is pulled to move under the action of the driving block, and continuous and stable negative pressure airflow is formed; the negative-pressure air flow can continuously extract outside air through the absorption pipe, dust generated in the molybdenum powder vibration screening process is promoted to flow along with the air flow, under the action of the air flow, the molybdenum powder dust enters a cavity of the partition sleeve, the situation that fine powder directly floats and diffuses to the outside of equipment is avoided, and the dust collection efficiency and the screening cleanliness are improved.

Description

Technical Field

[0001] This invention relates to the field of molybdenum powder vibration processing technology, specifically to a molybdenum powder vibration device for processing molybdenum products. Background Technology

[0002] Molybdenum is a high-melting-point, high-strength, and corrosion-resistant metallic material widely used in metallurgy, electronics, power, aerospace, and other fields. Molybdenum products are typically manufactured using molybdenum powder as raw material, through processes such as pressing, sintering, and machining. During the processing of molybdenum powder, in order to achieve uniform distribution of the powder, remove gases or impurities, and improve powder packing density, a vibration device is often used to treat the molybdenum powder.

[0003] A search revealed that prior art publication number CN118305309B discloses a molybdenum powder vibration device for molybdenum product processing, specifically relating to the field of molybdenum powder vibration processing technology. It mainly includes an inclined support plate, a vibration box, and a sliding frame. The vibration box is fixed to the top of the inclined support plate, and the sliding frame is fixed to one side of the vibration box. The inner wall of the sliding frame is equipped with a length synchronization adjustment mechanism. This mechanism includes an adjusting screw rotatably mounted on the inner wall of the sliding frame, and an adjusting motor for driving the adjusting screw to rotate is fixedly installed at the bottom of the sliding frame. A width synchronization adjustment mechanism is installed above the sliding frame. A precision calibration component is installed at the top of the length adjustment plate. This solution, through the length and width synchronization adjustment mechanisms, enables synchronous and efficient length and width adjustment of multiple vibration slots, resulting in precise and efficient adjustment and saving time and effort.

[0004] Therefore, based on the above search and combined with existing technology, molybdenum powder easily generates a large amount of fine powder and dust during the vibrating sieving process due to high-frequency friction and mechanical vibration between particles. If this molybdenum powder dust is not recovered in a timely and effective manner, it will not only spread into the equipment or environment and cause pollution, but it will also be difficult to participate in subsequent processes such as molding or sintering, resulting in waste of raw materials and reducing the overall utilization rate of molybdenum resources. Existing devices do not effectively control the airflow or seal the dust collection chamber. Even if some dust is initially collected, it may still be re-entrained due to air pressure fluctuations or equipment vibration, increasing the difficulty of subsequent processing and affecting the air quality and equipment operation safety in the workshop. Therefore, this application proposes a molybdenum powder vibration device for molybdenum product processing. Summary of the Invention

[0005] The purpose of this invention is to provide a molybdenum powder vibration device for processing molybdenum products, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a molybdenum powder vibration device for processing molybdenum products, comprising a base, a sealing shell on the upper side of the base, a feeding box fixedly installed at the upper end of the base for feeding molybdenum powder to be screened, multiple support frames fixedly installed at the inner end of the sealing shell, and a sieve screen fixedly installed at the inner end of each support frame, the multiple support frames being arranged in a gradient from the feeding box, a vibrator fixedly installed at the inner end of the sealing shell for generating vibration, the vibrator driving the sieve screen to vibrate after starting, screening the molybdenum powder, and using the trapezoidal arrangement of the sieve screen to make the molybdenum powder move downward step by step to achieve graded screening, a support cylinder passing through the inner end of the sieve screen, a coarse screen fixedly installed at the upper end of the support cylinder, and a suction device provided between the support cylinder and the coarse screen screen for adsorbing molybdenum powder dust, multiple funnels fixedly installed at the upper end of the base, each funnel corresponding to a sieve screen, and the funnels being fixedly connected to the support cylinder.

[0007] As a further embodiment of the present invention, a plurality of tensioning wheels are rotatably mounted on the inner end of the base, wherein a conveyor belt is tensioned on the outer surface of two corresponding tensioning wheels, and each conveyor belt is located below the funnel. A rectangular hole is opened on the outer surface of the base, and a plurality of discharge hoppers are fixedly installed in the rectangular hole. A dust collection box is detachably connected to the bottom end of the support cylinder for storing the collected molybdenum powder dust.

[0008] As a further embodiment of the present invention, the support frame and the support cylinder are connected by a transmission rope, and a dispersing hammer is fixedly installed on the outer surface of the transmission rope. This structure connects the support frame and the support cylinder by a transmission rope, and the dispersing hammer is fixedly installed on the outer surface of the transmission rope. It can effectively strike the bottom of the screening screen during vibration, prevent molybdenum powder from accumulating and clogging on the screening screen, promote the uniform dispersion and smooth screening of molybdenum powder, and significantly improve screening efficiency and equipment operation stability. The suction device includes an inner support cylinder, which is fixedly installed at the inner end of the support cylinder. A fine screen is fixedly installed at the upper end of the inner support cylinder, and the fine screen corresponds to the coarse screen. A partition sleeve is fixedly installed at the inner end of the fine screen, and multiple absorption tubes are inserted through the inner end of the partition sleeve. This device can effectively filter and absorb the fine powder and dust generated during the molybdenum powder vibrating sieve process, thereby improving the dust collection efficiency.

[0009] As a further embodiment of the present invention, the upper end of the coarse screen is detachably fitted with an upper sealing cover, and a central rod is fixedly installed at one end of the upper sealing cover near the partition sleeve. The central rod passes through the interior of the partition sleeve, and a movable sleeve is fitted on the outer surface of the central rod. The movable sleeve and the partition sleeve are connected by a passive bladder.

[0010] As a further embodiment of the present invention, a transmission cylinder is provided between the inner support cylinder and the support cylinder. A transmission block is rotatably installed at the inner end of the transmission cylinder, and the end of the transmission rope away from the dispersing hammer passes through the inner end of the transmission cylinder and is fixedly connected to the transmission block. During the vibration process, the dispersing hammer drives the transmission block to reciprocate through the transmission rope. This structure achieves stable reciprocating motion of the dispersing hammer through the synergistic effect of the transmission block and the transmission rope in the transmission cylinder, effectively enhancing the dispersing force of molybdenum powder during the vibration of the screening screen, preventing molybdenum powder from accumulating and clogging on the screening screen, and improving screening efficiency and stable operation performance of the equipment.

[0011] As a further embodiment of the present invention, a drive block is rotatably mounted on the inner end of the transmission cylinder, and multiple teeth are fixedly mounted on the outer surface of the drive block. A transmission chain is mounted on the end of the transmission block, and the transmission chain is sleeved on the surface of the drive block and meshes with the teeth. The drive block and the movable sleeve are connected by a traction line.

[0012] As a further embodiment of the present invention, the upper end of the fine screen is provided with a plurality of pressure relief holes, the pressure relief holes are corresponding to the air vent cover, and each pressure relief hole is provided with a pressure relief pad. Each pressure relief pad is connected to the other by a transmission ring. The outer surface of the central rod is fitted with a connecting ring, and the connecting ring is fixedly connected to the transmission ring.

[0013] As a further embodiment of the present invention, a transmission rod is rotatably mounted on the inner end of the absorption tube, a turbine fan is fixedly mounted on the outer surface of the transmission rod, a sealing ring is fixedly mounted on the inner end of the absorption tube, and a blocking plate is provided on the side of the sealing ring away from the turbine fan. The blocking plate is connected to the absorption tube by a return spring.

[0014] As a further embodiment of the present invention, a passive block is fixedly installed on the outer surface of the transmission rod, a flywheel is sleeved on the outer surface of the passive block, and a passive belt is wound on the outer surface of the flywheel. The free end of the passive belt is fixedly connected to a connecting ring. Multiple abutment blocks are rotatably installed on the inner end of the flywheel. The abutment blocks are arranged in a ring shape, and multiple slots are fixedly installed on the outer surface of the passive block, with the abutment blocks being engaged in the slots.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses a transmission rope to drive a transmission chain and a linkage drive block to reciprocate. Under the action of the drive block, the movable sleeve is pulled to move, thereby deforming the passive bag and expanding the internal space of the partition sleeve, forming a continuous and stable negative pressure airflow. The negative pressure airflow can continuously draw in outside air through the absorption pipe, causing the dust generated during the molybdenum powder vibrating sieve to flow with the airflow. Under the action of the airflow, the molybdenum powder dust passes through the coarse screen and the fine screen in sequence and enters the partition sleeve chamber, preventing fine powder from floating and spreading directly to the outside of the equipment. This improves the dust collection efficiency and screening cleanliness, and effectively reduces the environmental pollution and equipment wear caused by the scattering of molybdenum powder. 2. This invention, by simultaneously driving the dispersing hammer to vibrate during the vibration of the sieve screen, and the dispersing hammer continuously hammering the bottom of the sieve screen, can effectively prevent molybdenum powder from accumulating on the sieve screen and avoid sieve hole blockage, thereby improving the dispersion effect and sieving efficiency of molybdenum powder. 3. This invention uses a vibrator to drive the trapezoidal arrangement of the screening screen to vibrate, enabling molybdenum powder to be efficiently dispersed and classified on the screening screen. It can effectively screen according to the particle size. At the same time, the undersized molybdenum powder is introduced into the conveyor belt through the funnel and discharged through the discharge hopper, thereby simplifying the material collection process, realizing automated continuous conveying, and improving screening efficiency and operation convenience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a molybdenum powder vibration device; Figure 2 This is a disassembly diagram of the molybdenum powder vibration device; Figure 3 This is a schematic diagram of the internal structure of the sealed shell; Figure 4 This is a schematic diagram of the internal structure of the support frame; Figure 5 This is a schematic diagram of the internal structure of the support cylinder; Figure 6 This is a schematic diagram of the internal structure of a fine sieve. Figure 7 This is a schematic diagram of the internal structure of the partition sleeve; Figure 8 This is a schematic diagram of the internal structure of the transmission cylinder; Figure 9 This is a schematic diagram of the internal structure of the absorption tube; Figure 10 This is a disassembled diagram of the inside of the absorption tube; Figure 11 This is a magnified view of the flywheel.

[0017] In the diagram: 1. Sealing shell; 2. Feeding box; 3. Discharge hopper; 4. Base; 5. Vibrator; 101. Support frame; 102. Screening mesh; 103. Funnel; 104. Conveyor belt; 105. Tensioner wheel; 201. Upper sealing cover; 202. Dust collection box; 203. Dispersing hammer; 204. Transmission rope; 205. Coarse screen; 206. Support cylinder; 207. Transmission cylinder; 208. Inner support cylinder; 209. Reset spring; 210. Fine screen; 211. Vent cover; 212. Center rod; 213. Transmission block; 214. Transmission chain; 215. Drive block; 216. Tooth; 301. Partition sleeve; 302. Pressure relief pad; 303. Absorption tube; 304. Transmission ring; 305. Transmission rod; 306. Connecting ring; 307. Passive bladder; 308. Passive belt; 309. Flywheel; 310. Passive block; 311. Transmission rod; 312. Return spring; 313. Sealing ring; 314. Turbine fan; 315. Blocking plate; 316. Abutment block; 317. Triangular plate; 401. Movable sleeve; 402. Traction line; 403. Vibratory hammer. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figure 1 - Figure 4 A molybdenum powder vibration device for processing molybdenum products includes a base 4, with a sealing shell 1 on the upper side of the base 4 to prevent dust from being stirred up. A feeding box 2 is fixedly installed on the upper end of the base 4 for feeding molybdenum powder to be screened. Multiple support frames 101 are fixedly installed on the inner end of the sealing shell 1 by bolts. A sieve 102 is fixedly installed on the inner end of each support frame 101. The aperture of the sieve 102 increases progressively from right to left to screen molybdenum powder of different particle sizes. The outer surface of the feeding box 2 is open. A feeding port is provided, which corresponds to the screening screen 102. The support frame 101 is arranged in a gradient starting from the feeding box 2. A vibrator 5 for generating vibration is fixedly installed at the inner end of the sealing shell 1. After the vibrator 5 is started, it drives the screening screen 102 to vibrate, screen the molybdenum powder, and with the help of the trapezoidal arrangement of the screening screen 102, the molybdenum powder moves downward step by step to achieve graded screening. The sealing shell 1 and the base 4 are connected by a vibration damping device to isolate the vibration of the sealing shell 1 and prevent it from affecting the internal device of the base 4. During the vibrating sieving process, molybdenum powder generates extremely fine powder due to inter-particle friction. These micro-particles, due to their small particle size, will be suspended in the air and cannot be effectively sieved through the sieve 102. This suspended dust may intrude into the device, interfering with the normal operation of electronic components, posing a safety hazard in long-term operation. At the same time, as the dust floats, it will also pose a certain health hazard to the surrounding staff. A support cylinder 206 is inserted through the inner end of the sieve 102. A coarse screen 205 is fixedly installed at the upper end of the support cylinder 206 by a clamp. A suction device is provided between the support cylinder 206 and the coarse screen 205 to adsorb the molybdenum powder dust. Multiple funnels 103 are fixedly installed at the upper end of the base 4. Each funnel 103 corresponds to the sieve 102, and the funnel 103 is fixedly connected to the support cylinder 206.

[0020] Multiple tensioning rollers 105 are rotatably mounted on the inner end of the base 4. Conveyor belts 104 are tensioned on the outer surfaces of two corresponding tensioning rollers 105. Each conveyor belt 104 is located below the funnel 103. The sieved molybdenum powder passes through the inside of the funnel 103 and then falls onto the position of the conveyor belt 104. The sieved molybdenum powder is discharged by the rotation of the conveyor belt 104. A rectangular hole is opened on the outer surface of the base 4. Multiple discharge hoppers 3 are fixedly installed in the rectangular hole. Each discharge hopper 3 corresponds to the conveyor belt 104. The conveyor belt 104 transports the graded molybdenum powder to the corresponding discharge hopper 3 for discharge. A drive motor is fixedly installed on the inner end of the base 4. The output end of the drive motor is fixedly connected to the tensioning rollers 105. A dust collection box 202 is detachably connected to the bottom end of the support cylinder 206 for storing the collected molybdenum powder dust. Example 2: Please refer to Figure 2 - Figure 4 A molybdenum powder vibration device for processing molybdenum products, based on the foundation of Example 1, is provided. The support frame 101 and the support cylinder 206 are connected by a transmission rope 204. A dispersing hammer 203 is fixedly installed on the outer surface of the transmission rope 204. When the vibrator 5 drives the sieve 102 to vibrate, the dispersing hammer 203 at the bottom of the sieve 102 resonates and strikes the screen surface, effectively preventing molybdenum powder from agglomerating and ensuring screening efficiency. like Figure 4 - Figure 7As shown, the suction device includes an inner support cylinder 208, which is fixedly installed at the inner end of the support cylinder 206. A fine screen 210 is fixedly installed at the upper end of the inner support cylinder 208, allowing only molybdenum powder dust to pass through. The fine screen 210 corresponds to the coarse screen 205. A partition sleeve 301 is fixedly installed at the inner end of the fine screen 210. Multiple absorption tubes 303 are inserted through the inner end of the partition sleeve 301. A filter membrane is installed inside the absorption tube 303 to prevent molybdenum powder dust from entering the interior of the absorption tube 303. The partition sleeve 301 consists of multiple independent chambers, each containing an absorption tube 303 to ensure omnidirectional suction of molybdenum powder dust. An upper sealing cover 201 is detachably installed at the upper end of the coarse screen 205. The upper sealing cover 201 is close to... A central rod 212 is fixedly welded to one end of the partition sleeve 301, and the central rod 212 passes through the interior of the partition sleeve 301. A movable sleeve 401 is fitted on the outer surface of the central rod 212, and the movable sleeve 401 is connected to the partition sleeve 301 through a passive bladder 307. A sealed space is formed between the passive bladder 307 and the partition sleeve 301. When the movable sleeve 401 moves downward, it begins to pull the passive bladder 307 to deform. Since the passive bladder 307 moves downward, the space inside the partition sleeve 301 becomes larger, generating a certain negative pressure. This allows air from the outside to be drawn out through the absorption tube 303. It is worth noting that the passive bladder 307 is made of anti-aging rubber material and has a certain degree of elasticity.

[0021] like Figure 5 , Figure 7 , Figure 8 As shown, a transmission cylinder 207 is provided between the inner support cylinder 208 and the support cylinder 206. A transmission block 213 is rotatably installed at the inner end of the transmission cylinder 207, and the end of the transmission rope 204 away from the hammer 203 passes through the inner end of the transmission cylinder 207 and is fixedly connected to the transmission block 213. During the vibration process, the hammer 203 drives the transmission block 213 to rotate back and forth through the transmission rope 204. A drive block 215 is rotatably installed at the inner end of the transmission cylinder 207 through a rotating shaft. Multiple teeth 216 are fixedly installed on the outer surface of the drive block 215. A transmission chain 214 is installed at the end of the transmission block 213, and the transmission chain 214 is sleeved on the surface of the drive block 215 and meshes with the teeth 216. The drive block 215 and the movable sleeve 401 are connected by a traction line 402. The traction line 402 is connected to a non-central position of the drive block 215, so that when the drive block 215 rotates, it pulls the movable sleeve 401 downward via the traction line 402. Specifically, two vibrating hammers 403 are rotatably mounted on the inner end of the inner support cylinder 208 via a rotating shaft. The non-central position of the vibrating hammers 403 is fixedly connected to the traction line 402, so that while pulling the movable sleeve 401 downward, it also pulls the vibrating hammers 403 to rotate. The vibrating hammers 403 and the inner support cylinder 208 are engaged by a torsion spring. After the vibrating hammers 403 rotate, they compress the torsion spring. Then, during the resetting process of the drive block 215, the vibrating hammers 403 reset under the action of the torsion spring and strike the inner wall of the inner support cylinder 208, causing the inner support cylinder 208 and the fine screen 210 to vibrate. This shakes down the larger molybdenum powder particles on the outer surface of the fine screen 210, preventing blockage and a decrease in the absorption efficiency of molybdenum powder dust.

[0022] like Figure 6 , Figure 7 As shown, the outer surface of the upper sealing cover 201 has multiple through holes, and each through hole is fitted with a vent cover 211. Multiple reset springs 209 are fixedly installed at the upper end of the upper sealing cover 201, and the reset springs 209 are in contact with the outer surface of the vent cover 211. When the vent cover 211 moves upward, it returns to its initial state under the elastic force of the reset springs 209. The upper end of the fine screen 210 is provided with multiple pressure relief holes, which correspond to the vent cover 211. Each pressure relief hole is provided with a pressure relief pad 302. Each pressure relief pad 302 is connected to the other by a transmission ring 304. The outer surface of the center rod 212 is fitted with a connecting ring 306, which is fixedly connected to the transmission ring 304. When the pressure relief pad 302 moves downward, the pressure relief hole is in a sealed state. When the pressure relief pad 302 moves upward, it pushes against the vent cover 211 and moves upward. At this time, the space inside the partition sleeve 301 is sealed because the gas flows outward. Therefore, dust will not directly enter the interior of the partition sleeve 301. It is worth noting that a limit block is fixedly installed on the upper inner side of the fine screen 210. The limit block is located below the pressure relief pad 302 to prevent the pressure relief pad 302 from moving downward.

[0023] Example 3: Please refer to Figure 8 - Figure 11A molybdenum powder vibration device for processing molybdenum products, based on embodiments 1 and 2, has a transmission rod 311 rotatably mounted on the inner end of the absorption tube 303, and a turbine fan 314 fixedly mounted on the outer surface of the transmission rod 311. The turbine fan 314 generates an attractive force when it rotates. A sealing ring 313 is fixedly mounted on the inner end of the absorption tube 303, and a blocking plate 315 is provided on the side of the sealing ring 313 away from the turbine fan 314. The blocking plate 315 is connected to the absorption tube 303 by a return spring 312. Multiple triangular plates 317 are fixedly mounted on the end of the blocking plate 315 near the turbine fan 314. A protrusion is fixedly mounted on the outer surface of the transmission rod 311, and the protrusion contacts the inclined surface of the triangular plate 317. Specifically, a rectangular groove is opened on the outer surface of the blocking plate 315, and a rectangular strip is fixedly mounted on the inner end of the absorption tube 303. The rectangular strip passes through the rectangular groove, so that the blocking plate 315 can only move along its axial direction inside the absorption tube 303. When the turbofan 314 rotates forward, the contact between the protrusion on the outer surface of the transmission rod 311 and the inclined surface of the triangular plate 317 causes the blocking plate 315 to move away from the sealing ring 313, at which time air can pass through the absorption pipe 303. A passive block 310 is fixedly installed on the outer surface of the transmission rod 311. A flywheel 309 is sleeved on the outer surface of the passive block 310, and a passive belt 308 is wound on the outer surface of the flywheel 309. The free end of the passive belt 308 is fixedly connected to the connecting ring 306. Multiple abutment blocks 316 are rotatably installed on the inner end of the flywheel 309. The abutment blocks 316 are arranged in a ring, and the abutment blocks 316 and the flywheel 309 are all engaged by torsion springs. Multiple slots are fixedly installed on the outer surface of the passive block 310, and the abutment blocks 316 are engaged in the slots. The flywheel 309 and the absorption tube 303 are engaged by torsion springs, so that after the flywheel 309 rotates a certain angle, it returns to its initial state under the elastic force of the torsion spring. More specifically, when the turbofan 314 rotates, it drives the passive block 310 to rotate through the transmission rod 311. At this time, the slot on the surface of the passive block 310 moves along the rotation direction of the abutment block 316 (the flywheel 309 remains stationary). When the passive belt 308 is pulled, the abutment block 316 engages with the slot of the passive block 310 to realize power transmission.

[0024] The working principle of this invention is: In use, the molybdenum powder to be screened is poured into the feeding box 2. Then the vibrator 5 is started and drives the screen 102 to vibrate synchronously. The molybdenum powder is screened on the trapezoidal screen 102 to separate the molybdenum powder of different particle sizes. The screened molybdenum powder passes through the screen 102, enters the conveyor belt 104 through the funnel 103, and is then conveyed by the conveyor belt 104 and then flows out from the discharge hopper 3. During the vibration process, the molybdenum powder particles gradually become smaller due to the friction between them and gradually turn into molybdenum powder dust. During the vibration of the sieve 102, the dispersing hammer 203 vibrates synchronously. The dispersing hammer 203 effectively prevents the molybdenum powder from accumulating on the screen surface by continuously hammering the bottom of the sieve 102, thus achieving the dispersion of molybdenum powder. During the vibration process, the dispersing hammer 203 drives the transmission rope 204 to vibrate. During vibration, the transmission rope 204 drives the drive block 215 to reciprocate through the transmission chain 214. During the reciprocating rotation of the drive block 215, the movable sleeve 401 is moved by the traction line 402. At this time, the movable sleeve 401 pulls the passive bag 307 to deform during the movement. At this time, the internal space of the partition sleeve 301 increases. During the process of the space increasing, the outside air is drawn out through the absorption pipe 303. The air begins to flow under this action. Molybdenum powder dust passes through the coarse screen 205 and the fine screen 210 under the action of the air flow and comes into the cavity inside the partition sleeve 301. As the molybdenum powder dust continues to accumulate, it is gradually collected by the dust collection box 202 under the action of gravity. During the air extraction process of the absorption pipe 303, the turbo fan 314 starts to rotate under its action. The blocking plate 315 moves away from the turbo fan 314 under the thrust of the air and compresses the return spring 312. During the reset process of the movable sleeve 401, the air drawn into the partition sleeve 301 is squeezed out. Under the elastic force of the return spring 312, the blocking plate 315 closes the sealing ring 313. At this time, the air cannot return from the inside of the absorption pipe 303. This pushes the pressure relief pad 302 to move upward until the vent cover 211 is opened and the air is discharged. During the upward movement of the pressure relief pad 302, the transmission ring 304 pulls the connecting ring 306 upward through the transmission rod 305. As the connecting ring 306 moves upward, it drives the flywheel 309 to rotate through the passive belt 308. At this time, the abutment block 316 engages with the slot of the passive block 310 and drives the turbo fan 314 to rotate through the transmission rod 311. During the rotation of the transmission rod 311, the protrusions on its outer surface continuously contact the inclined surface of the triangular plate 317, thereby causing the blocking plate 315 to move away from the turbine fan 314. Driven by the rotation of the turbine fan 314, the device can suck up molybdenum powder dust in the external environment. Although the attraction generated by the turbine fan 314 is weaker than the attraction generated by the deformation of the passive bag 307, it can still ensure that the device is always in a working state of continuously sucking up molybdenum powder dust.

[0025] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A molybdenum powder vibration device for processing molybdenum products, comprising a base (4), characterized in that: A sealing shell (1) is provided on the upper side of the base (4). A feeding box (2) is fixedly installed on the upper end of the base (4) for feeding molybdenum powder to be screened. Multiple support frames (101) are fixedly installed on the inner end of the sealing shell (1). A sieve screen (102) is fixedly installed on the inner end of each support frame (101). The multiple support frames (101) are arranged in a gradient starting from the feeding box (2). A vibrator (5) for generating vibration is fixedly installed on the inner end of the sealing shell (1). After the vibrator (5) is started, it drives the sieve screen (102) to vibrate, thereby screening the molybdenum powder. Molybdenum powder is moved downwards step by step by a trapezoidal sieve (102) to achieve graded screening. A support cylinder (206) is inserted through the inner end of the sieve (102). A coarse sieve (205) is fixedly installed at the upper end of the support cylinder (206). A suction device is provided between the support cylinder (206) and the coarse sieve (205) to adsorb molybdenum powder dust. Multiple funnels (103) are fixedly installed at the upper end of the base (4). Each funnel (103) corresponds to the sieve (102), and the funnel (103) is fixedly connected to the support cylinder (206).

2. The molybdenum powder vibration device for processing molybdenum products according to claim 1, characterized in that: Multiple tensioning wheels (105) are rotatably installed on the inner end of the base (4). Two corresponding tensioning wheels (105) have conveyor belts (104) tensioned on their outer surfaces. Each conveyor belt (104) is located below the funnel (103). A rectangular hole is opened on the outer surface of the base (4). Multiple discharge hoppers (3) are fixedly installed in the rectangular hole. A dust collection box (202) is detachably connected to the bottom end of the support cylinder (206) for storing the collected molybdenum powder dust.

3. The molybdenum powder vibration device for processing molybdenum products according to claim 1, characterized in that: The support frame (101) and the support cylinder (206) are connected by a transmission rope (204), and a scattering hammer (203) is fixedly installed on the outer surface of the transmission rope (204). The suction device includes an inner support cylinder (208), which is fixedly installed at the inner end of the support cylinder (206). A fine screen (210) is fixedly installed at the upper end of the inner support cylinder (208), and the fine screen (210) corresponds to the coarse screen (205). A partition sleeve (301) is fixedly installed at the inner end of the fine screen (210), and a plurality of absorption tubes (303) are passed through the inner end of the partition sleeve (301).

4. The molybdenum powder vibration device for processing molybdenum products according to claim 3, characterized in that: The upper end of the coarse screen (205) is detachably fitted with an upper sealing cover (201). A central rod (212) is fixedly installed on one end of the upper sealing cover (201) near the partition sleeve (301). The central rod (212) passes through the interior of the partition sleeve (301). A movable sleeve (401) is fitted on the outer surface of the central rod (212). The movable sleeve (401) and the partition sleeve (301) are connected by a passive bladder (307).

5. The molybdenum powder vibration device for processing molybdenum products according to claim 3, characterized in that: A transmission cylinder (207) is provided between the inner support cylinder (208) and the support cylinder (206). A transmission block (213) is rotatably installed at the inner end of the transmission cylinder (207), and the end of the transmission rope (204) away from the shredding hammer (203) passes through the inner end of the transmission cylinder (207) and is fixedly connected to the transmission block (213). During the vibration process, the shredding hammer (203) drives the transmission block (213) to rotate back and forth through the transmission rope (204).

6. The molybdenum powder vibration device for processing molybdenum products according to claim 5, characterized in that: The inner end of the transmission cylinder (207) is rotatably mounted with a drive block (215), and multiple teeth (216) are fixedly mounted on the outer surface of the drive block (215). A transmission chain (214) is mounted on the end of the transmission block (213), and the transmission chain (214) is sleeved on the surface of the drive block (215) and meshes with the teeth (216). The drive block (215) and the movable sleeve (401) are connected by a traction line (402).

7. The molybdenum powder vibration device for processing molybdenum products according to claim 4, characterized in that: The upper end of the fine screen (210) is provided with multiple pressure relief holes, which correspond to the air vent cover (211). Each pressure relief hole is provided with a pressure relief pad (302). Each pressure relief pad (302) is connected to the other by a transmission ring (304). The outer surface of the central rod (212) is fitted with a connecting ring (306), and the connecting ring (306) is fixedly connected to the transmission ring (304).

8. The molybdenum powder vibration device for processing molybdenum products according to claim 3, characterized in that: A transmission rod (311) is rotatably mounted on the inner end of the absorption tube (303), and a turbo fan (314) is fixedly mounted on the outer surface of the transmission rod (311). A sealing ring (313) is fixedly mounted on the inner end of the absorption tube (303), and a blocking plate (315) is provided on the side of the sealing ring (313) away from the turbo fan (314). The blocking plate (315) is connected to the absorption tube (303) by a return spring (312).

9. A molybdenum powder vibration device for processing molybdenum products according to claim 8, characterized in that: A passive block (310) is fixedly installed on the outer surface of the transmission rod (311). A flywheel (309) is sleeved on the outer surface of the passive block (310), and a passive belt (308) is wound on the outer surface of the flywheel (309). The free end of the passive belt (308) is fixedly connected to the connecting ring (306). Multiple abutment blocks (316) are rotatably installed on the inner end of the flywheel (309). The abutment blocks (316) are arranged in a ring shape, and multiple slots are fixedly installed on the outer surface of the passive block (310). The abutment blocks (316) are locked in the slots.

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