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CN-122007012-A - Metal powder filter equipment

CN122007012ACN 122007012 ACN122007012 ACN 122007012ACN-122007012-A

Abstract

The invention relates to the technical field of filtering devices and discloses a metal powder filtering device which comprises a shell, a top cover and a screen disc, wherein the top cover is fixedly arranged at the upper end of the shell, the screen disc is arranged in the shell, the screen disc can vibrate vertically and rotate intermittently in one direction in the shell, a driving mechanism is arranged in the shell, the driving mechanism comprises a main shaft, a driving component and a deflection component, the main shaft is fixedly arranged at the lower end of the screen disc, the metal powder filtering device drives the screen disc to realize the cooperative action of vertical vibration and unidirectional rotation through the arrangement of the driving mechanism, the problems that materials are easy to accumulate locally and the screening efficiency and precision are limited in the traditional device are effectively solved, meanwhile, the intermittent feeding matched with the screening action is realized by utilizing the intermittent rotation function of the screen disc, the incomplete screening caused by the overload of a screen surface is avoided, the quantitative feeding structure which is independently driven is not required, and the equipment cost and the maintenance difficulty are reduced.

Inventors

  • GUO JIPING
  • WEN YAN
  • HAO YU

Assignees

  • 湖南兆益热喷涂材料有限公司

Dates

Publication Date
20260512
Application Date
20260317

Claims (10)

  1. 1. A metal powder filtering device comprises a shell (1), a top cover (2) and a screen disc (3), and is characterized in that the top cover (2) is fixedly arranged at the upper end of the shell (1), the screen disc (3) is arranged in the shell (1) and can vibrate vertically and rotate intermittently in one direction, a driving mechanism is arranged in the shell (1), the driving mechanism comprises a main shaft (4), a driving component (5) and a deflection component (6), the main shaft (4) is fixedly arranged at the lower end of the screen disc (3), the driving component (5) is used for driving the main shaft (4) to move up and down so as to vibrate the screen disc (3), the deflection component (6) is used for driving the main shaft (4) to rotate intermittently in one direction while vibrating the main shaft (4) so as to drive the screen disc (3) to rotate intermittently in one direction, a feeding barrel (21) is fixedly arranged on the top cover (2), a lower end side surface of the feeding barrel (21) is provided with a lower feed port (22), the upper end of the screen disc (3) is fixedly arranged at the lower end of the screen disc, a retaining barrel (31) is provided with a feed port (31), the upper end of the retaining barrel (31) is fixedly arranged at the lateral wall (31), when the screen disc (3) rotates to the state that the discharge hole (32) is communicated with the blanking hole (22), the materials in the feeding cylinder (21) can be discharged to the screen disc (3) through the blanking hole (22) and the discharge hole (32).
  2. 2. The metal powder filtering device according to claim 1, wherein the driving assembly (5) comprises a mounting frame (51), a driving shaft (52), a cam (53), a rotary disc (54) and a spline tube (55), two ends of the mounting frame (51) are fixedly connected with two inner sides of the shell (1), the driving shaft (52) is horizontally and rotatably arranged on the mounting frame (51), the cam (53) is fixedly arranged on the driving shaft (52), the rotary disc (54) is fixedly arranged at the lower end of the main shaft (4), the lower end of the rotary disc (54) is matched with the cam (53) in a propping mode, the spline tube (55) penetrates through the mounting frame (51) and is rotatably connected with the mounting frame (51), and the main shaft (4) is slidably arranged in the spline tube (55).
  3. 3. A metal powder filtering device according to claim 2, wherein the deflection assembly (6) comprises a bevel gear ring (61), a vertical plate (62), a bevel gear rack (63) and a unidirectional transmission assembly (64), the bevel gear ring (61) is sleeved on the main shaft (4), the bevel gear ring (61) is in unidirectional transmission connection with the main shaft (4) through the unidirectional transmission assembly (64), the vertical plate (62) is fixedly arranged on the mounting frame (51), the bevel gear rack (63) is fixedly arranged on one side wall of the vertical plate (62), and the bevel gear rack (63) is in fit engagement with the bevel gear ring (61).
  4. 4. The metal powder filtering device as set forth in claim 3, wherein the unidirectional transmission assembly (64) comprises a rotating block (641), a sliding groove (642), a unidirectional sliding block (643), a return spring (644) and a unidirectional clamping groove (645), the rotating block (641) is fixedly arranged on the main shaft (4), the sliding groove (642) is formed in the outer side wall of the rotating block (641), the unidirectional sliding block (643) is slidably arranged in the sliding groove (642), two ends of the return spring (644) are fixedly connected with the sliding groove (642) and the unidirectional sliding block (643) respectively, the unidirectional clamping groove (645) is formed in the inner side wall of the skewed tooth ring (61) in a circumferential array, the unidirectional clamping groove (645) is in fit and clamping connection with the unidirectional sliding block (643), when the skewed tooth ring (61) rotates positively, the unidirectional clamping groove (645) is clamped with the unidirectional sliding block (643) so that the main shaft (4) rotates synchronously with the skewed tooth ring (61), and when the skewed tooth ring (61) rotates reversely, the unidirectional clamping groove (645) does not press the main shaft (643) to rotate obliquely with the skewed tooth ring (61).
  5. 5. The metal powder filtering device according to claim 4, wherein the unidirectional transmission assembly (64) further comprises a ratchet wheel (646), a limiting clamping block (647) and a limiting spring (648), the ratchet wheel (646) is fixedly arranged on the main shaft (4), the limiting clamping block (647) is horizontally and slidably arranged on one side wall of the vertical plate (62), the limiting clamping block (647) is in fit connection with the ratchet wheel (646), two ends of the limiting spring (648) are fixedly connected with the limiting clamping block (647) and the vertical plate (62) respectively, when the bevel gear ring (61) rotates positively to drive the main shaft (4) to rotate, the ratchet wheel (646) rotationally extrudes the limiting clamping block (647) to enable the limiting spring (648) to shrink, so that the main shaft (4) is not blocked to rotate along with the bevel gear ring (61), and when the bevel gear ring (61) rotates reversely, the limiting clamping block (647) is clamped with the ratchet wheel (646) to prevent the main shaft (4) from rotating along with the bevel gear ring (61).
  6. 6. A metal powder filtering device as set forth in claim 3, wherein the drive assembly (5) further comprises a drive motor (56), the drive motor (56) is fixedly mounted on the riser (62), and the drive end of the drive motor (56) is in driving connection with the drive shaft (52) through a gear transmission pair.
  7. 7. The metal powder filtering device according to claim 1, wherein the height of the discharging hole (32) is larger than that of the discharging hole (22), the width of the discharging hole (32) is smaller than that of the discharging hole (22), the lower end of the discharging hole (32) extends to the inner bottom wall of the material blocking barrel (31), the bottom of the material blocking barrel (21) is rotationally connected with the rotary barrel (23), the upper end of the rotary barrel (23) is fixedly provided with the blades (24), the lower end of the rotary barrel (23) penetrates through the material blocking barrel (21) to extend to the lower side of the material blocking barrel (21), the connecting rod (33) is fixedly arranged in the material blocking barrel (31), the upper end of the connecting rod (33) is inserted into the rotary barrel (23), and the connecting rod (33) is in sliding fit with the rotary barrel (23).
  8. 8. The metal powder filtering device according to claim 2, wherein a slag discharging ring (7) is arranged below the outer side of the screen disc (3), the slag discharging ring (7) is vertically and slidably connected with the inner side wall of the shell (1), the slag discharging ring (7) is rotationally connected with the lower surface of the screen disc (3), a supporting spring (71) is fixedly arranged between the lower surface of the slag discharging ring (7) and the upper surface of the mounting frame (51), a slag discharging channel (72) is arranged at one end of the slag discharging ring (7), a slag discharging opening (11) is arranged on one side wall of the shell (1), an outlet end of the slag discharging channel (72) extends to the inner side of the slag discharging opening (11), a slag discharging pipe (12) is arranged at the bottom of the shell (1), and the slag discharging pipe (12) is arranged below the screen disc (3).
  9. 9. The metal powder filtering device according to claim 2, wherein the mounting frame (51) is provided with a net cleaning mechanism (8), the net cleaning mechanism (8) comprises a transverse shaft (81), an elastic rod (82) and a marble (83), the transverse shaft (81) is horizontally and rotatably mounted on the mounting frame (51), the elastic rod (82) is fixedly mounted on the transverse shaft (81), and the marble (83) is fixedly mounted at the end of the elastic rod (82).
  10. 10. The metal powder filtering device according to claim 9, wherein the screen cleaning mechanism (8) further comprises a transmission rod (84), the transmission rod (84) penetrates through the mounting frame (51) and is in rotary connection with the mounting frame (51), the upper end of the transmission rod (84) is in transmission connection with the transverse shaft (81) through a bevel gear transmission pair, and the lower end of the transmission rod (84) is in transmission connection with the driving shaft (52) through a bevel gear transmission pair.

Description

Metal powder filter equipment Technical Field The invention relates to the technical field of filtering devices, in particular to a metal powder filtering device. Background The metal powder is a core raw material in the fields of powder metallurgy, additive manufacturing, precision machining and the like, and the granularity uniformity of the metal powder directly influences the density, the molding precision and the mechanical property of a product. Filtering and screening are used as key working procedures of pretreatment of metal powder and are used for removing agglomeration blocks, large-particle impurities and foreign matters, and the powder is ensured to meet the process requirements. The traditional vibration screening equipment adopts single reciprocating vibration or rotary screening, and the metal powder is easy to have the problems of uneven distribution, blocking of sieve holes, incomplete screening and the like. Chinese patent CN115193693B discloses a metal powder screening plant, stirs metal powder through the puddler, cooperates the scraper blade to promote the powder on the screening board, utilizes vibrating unit to shake the screening board simultaneously, reduces powder and piles up, alleviates sieve mesh jam problem. In the above-mentioned device, the screening board relies on outside to shake and the scraper blade promotes to prevent stifled, metal powder easily appears locally and piles up on the screening board, screening efficiency and screening precision are limited, simultaneously, lack quantitative material loading structure in the above-mentioned device, the condition that the material loading is too much appears easily in the time of the material loading, easily cause the screening face overload, lead to screening incompletely, and among the prior art, quantitative material loading structure is usually independently set up, need additionally provide driving power, manufacturing cost and the energy consumption of equipment have not only been increased, still make equipment structure more complicated, showing the later maintenance degree of difficulty of having improved, in addition, still lack the structure of discharging large granule material in the above-mentioned device, need stop the material of discharging at intervals for the unable long-time continuous operation of device. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides a metal powder filtering device which has the functions of cooperation of vibration and unidirectional intermittent rotation, intermittent feeding and synchronous deslagging, and solves the problems in the prior art. (II) technical scheme In order to solve the technical problems, the invention provides the following technical scheme: The utility model provides a metal powder filter equipment, includes casing, top cap and sieve tray, top cap fixed mounting is in the upper end of casing, the sieve tray sets up in the inside of casing, and the sieve tray can carry out vertical vibration and do one-way intermittent type rotation in the casing inside, the inside actuating mechanism that is provided with of casing, actuating mechanism includes main shaft, drive assembly and deflection subassembly, main shaft fixed mounting is in the lower extreme of sieve tray, drive assembly is used for driving the main shaft and reciprocates so that the sieve tray vibrates, deflection subassembly is used for driving the one-way intermittent type rotation of main shaft when main shaft vibrates, and then drives the one-way rotation of sieve tray, fixed mounting has a feed cylinder on the top cap, the side of feed cylinder lower extreme is provided with the feed opening, the upper end fixed mounting of sieve tray has a fender feed cylinder, the fender feed cylinder cover is established in the feed cylinder outside, and keeps off the lateral wall of feed cylinder to offer the discharge gate, and when the sieve tray rotates to the discharge gate and feed opening relatively communicates, the material side of feed cylinder inside accessible feed opening and discharge gate to the sieve tray. Preferably, the drive assembly includes mounting bracket, drive shaft, cam, carousel and spline pipe, the both ends of mounting bracket and the inside fixed connection in both sides of casing, drive shaft horizontal rotation is installed on the mounting bracket, cam fixed mounting is in the drive shaft, carousel fixed mounting is in the lower extreme of main shaft, and carousel lower extreme and cam offset cooperation, the spline pipe runs through the mounting bracket and rotates with the mounting bracket to be connected, main shaft slidable mounting is in the inside of spline pipe. Preferably, the deflection assembly comprises an inclined tooth ring, a vertical plate, an inclined rack and a unidirectional transmission assembly, wherein the inclined tooth ring is sleeved on the main shaft and is connected with the main s