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CN-224221982-U - Tin powder filtering and screening device

CN224221982UCN 224221982 UCN224221982 UCN 224221982UCN-224221982-U

Abstract

The utility model relates to the technical field of soldering paste production, in particular to a tin powder filtering and screening device which comprises a screening filter box, a mounting plate and a vibration assembly, wherein a supporting column is arranged at the lower end of the screening filter box, a feeding hole is formed in the upper end of the screening filter box, a material guide plate is arranged on one side of the screening filter box, a material discharging pipe is arranged at the lower end of the screening filter box, the vibration assembly is arranged on one side of the screening filter box, the mounting plate is arranged on one side of the vibration assembly.

Inventors

  • LIN HAIBIN
  • WANG YUJIE
  • LIN XIANG
  • LIN XIAOLU

Assignees

  • 江苏奥匠新材料科技有限公司

Dates

Publication Date
20260512
Application Date
20250421

Claims (7)

  1. 1. The tin powder filtering and screening device comprises a screening and filtering box (1) and is characterized by further comprising a mounting plate (601) and a vibration assembly, wherein a support column (2) is arranged at the lower end of the screening and filtering box (1), a feed inlet (3) is arranged at the upper end of the screening and filtering box (1), a guide plate (4) is arranged at one side of the screening and filtering box (1), a discharge pipe (5) is arranged at the lower end of the screening and filtering box (1), the vibration assembly is arranged at one side of the screening and filtering box (1), the mounting plate (601) is arranged at one side of the vibration assembly, a first screening plate (602) for screening and filtering impurities is arranged at one side of the mounting plate (601), a protective shell (603) is arranged at one side of the mounting plate (601), an L-shaped plate (604) is arranged at one side of the screening and filtering box (1), a first motor (605) is arranged at one side of the screening and is provided with a worm (606), the output end of the first motor (605) is used for driving the worm (606) to rotate, the worm (606) is arranged at one side of the worm (605), the worm (607) is meshed with the worm (606), the worm wheel (607) is arranged at the inner side of the worm wheel (607), a first rotating lever (608), a first screening plate (608) is arranged at one side of the worm (608), a gear (609) is meshed with the gear (609) and a toothed plate (609), a connecting plate (611) is arranged on one side of the toothed plate (610), and a second screening plate (612) for screening and filtering impurities is arranged on one side of the connecting plate (611).
  2. 2. The tin powder filtering and screening device according to claim 1, wherein the L-shaped plate (604) is provided with a first groove, and the first rotating rod (608) is rotatably connected inside the L-shaped plate (604) through the groove.
  3. 3. The tin powder filtering and screening device according to claim 1, wherein the mounting plate (601) is provided with a second groove, and the connecting plate (611) is connected inside the mounting plate (601) in a sliding manner through the second groove.
  4. 4. The tin powder filtering and screening device according to claim 1, wherein the vibration assembly comprises a supporting plate (701), the supporting plate (701) is arranged on the inner side of the screening and filtering box (1), the mounting plate (601) is arranged at the upper end of the supporting plate (701), the guide rod (702) is arranged on the inner side of the screening and filtering box (1), the spring (703) is arranged between the supporting plate (701) and the screening and filtering box (1), the second motor (704) is arranged on one side of the screening and filtering box (1), the second rotating rod (705) is arranged at the output end of the second motor (704), the second motor (704) is used for driving the second rotating rod (705) to rotate, and the cam (706) is arranged on the outer side of the second rotating rod (705).
  5. 5. The tin powder filtering and screening device according to claim 4, wherein a groove III is formed in the inner side of the filtering and screening box (1), and the supporting plate (701) is connected to the inner side of the filtering and screening box (1) in a sliding mode through the groove III.
  6. 6. The tin powder filtering and screening device according to claim 4, wherein the supporting plate (701) is provided with a groove IV, and the supporting plate (701) is connected to the outer side of the guide rod (702) in a sliding manner through the groove IV.
  7. 7. The tin powder filtering and screening device according to claim 4, wherein a plurality of groups of guide rods (702) and springs (703) are arranged, and the guide rods (702) and the springs (703) are arranged in an array on the inner side of the screening and filtering box (1).

Description

Tin powder filtering and screening device Technical Field The utility model relates to the technical field of solder paste production, in particular to a tin powder filtering and screening device. Background The tin paste is a paste material for electronic welding, is mainly formed by mixing tin powder and soldering flux, is widely applied to the SMT (surface mounting technology) process, is a gray paste, is mainly formed by mixing alloy welding powder and soldering flux, is an important material essential to the field of electronic assembly, and is widely applied to welding electronic parts onto a circuit board, and particularly plays a key role in the SMT (surface mounting technology) process. Current tin powder filters screening plant mainly adopts vibrating motor drive sieve to shake the operation, and during operation, emptys the tin powder raw materials to the sieve on, utilizes the screening of continuous vibrations realization tin powder of sieve to filter, gets rid of the impurity in the tin powder raw materials, can effectively promote the raw materials purity of soldering paste to the performance stability of soldering paste in the guarantee follow-up production. However, in actual production, because different products have different requirements on the grain size of tin powder, screens with different meshes need to be replaced frequently, the process is complex in operation, labor cost and time cost are increased, equipment downtime is prolonged possibly due to improper operation when the screens are replaced, and the overall production efficiency is affected, so that certain limitations exist when coping with diversified production requirements. Disclosure of utility model Aiming at the technical problems that the prior tin powder filtering and screening device has different requirements on the grain size of the tin powder by different products and screens with different meshes are required to be replaced according to the product needs, the utility model provides the tin powder filtering and screening device. The tin powder filtering and screening device comprises a screening filter box, a mounting plate and a vibration assembly, wherein a support column is arranged at the lower end of the screening filter box, a feed inlet is arranged at the upper end of the screening filter box, a guide plate is arranged on one side of the screening filter box, a discharge pipe is arranged at the lower end of the screening filter box, the vibration assembly is arranged on one side of the screening filter box, the mounting plate is arranged on one side of the mounting plate, a first screening plate for screening and filtering impurities is arranged on one side of the mounting plate, a protective shell is arranged on one side of the mounting plate, an L-shaped plate is arranged on one side of the screening filter box, a first motor is arranged on one side of the screening filter box, a worm is arranged at the output end of the first motor, the first motor is used for driving the worm to rotate, a worm wheel is arranged on one side of the worm, the worm wheel is meshed with the worm, a first rotating rod is arranged on the inner side of the worm, a gear is arranged on the outer side of the first rotating rod, a toothed plate is arranged on one side of the gear, the toothed plate is meshed with the gear, a connecting plate is arranged on one side of the toothed plate, and a second screening plate for screening and filtering impurities is arranged on one side of the connecting plate. Preferably, the L-shaped plate is provided with a first groove, and the first rotating rod is rotationally connected inside the L-shaped plate through the groove. Preferably, the mounting plate is provided with a second groove, and the connecting plate is connected inside the mounting plate in a sliding manner through the second groove. Preferably, the vibration assembly comprises a supporting plate, the inner side of the screening filter box is provided with the supporting plate, the upper end of the supporting plate is provided with a mounting plate, the inner side of the screening filter box is provided with a guide rod, a spring is arranged between the supporting plate and the screening filter box, one side of the screening filter box is provided with a second motor, the output end of the second motor is provided with a second rotating rod, the second motor is used for driving the second rotating rod to rotate, and the outer side of the second rotating rod is provided with a cam. Preferably, a groove III is formed in the inner side of the screening filter box, and the supporting plate is connected to the inner side of the screening filter box in a sliding mode through the groove III. Preferably, a groove IV is formed in the supporting plate, and the supporting plate is connected to the outer side of the guide rod in a sliding mode through the groove IV. Preferably, the guide rods and springs are arranged in groups, and the guide