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CN-121990218-A - Automatic powder weighing device

CN121990218ACN 121990218 ACN121990218 ACN 121990218ACN-121990218-A

Abstract

The invention discloses an automatic powder weighing device which comprises a base, a bin assembly, a weighing device, a receiving and transferring mechanism and a discharging driving mechanism, wherein the bin assembly is provided with a bin, a first cavity, a second cavity, a discharging pipeline and a rotating support shaft, the first cavity and the second cavity are arranged in the bin at intervals and communicated with each other, the discharging pipeline is communicated with the second cavity, the rotating support shaft is transversely connected to the bottom of the bin and is in rotating connection with the base, the volume of the first cavity is larger than half of the total volume of the bin, the rotating support shaft is positioned between an extension line of a bin weight line and an extension line of a second cavity weight line, the weighing device is arranged below the discharging pipeline, the receiving and transferring mechanism can transfer a container onto the weighing device, and the discharging driving mechanism is provided with a rotating driving mechanism capable of driving the bin to rotate and a vibrator which is arranged on the bin and is matched with the rotating driving mechanism to regulate the discharging amount of the discharging pipeline. The weighing device has high automation and integration degree, improves the processing efficiency, the processing precision and the processing safety, and reduces the labor intensity and the labor cost.

Inventors

  • CHEN LIANG
  • FENG WEIGUO
  • WANG CHI
  • CAI RONGJUN
  • CHEN XIANGQI
  • Ge Jinsuo

Assignees

  • 昆山佰奥智能装备股份有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (10)

  1. 1. An automatic powder weighing device is characterized by comprising: A base (1); The device comprises a bin assembly (2), a discharging pipeline (23) and a rotary supporting shaft (24), wherein the bin assembly (20) is provided with a bin (20), a first chamber (21) and a second chamber (22) which are arranged in the bin (20) at intervals along the transverse direction and are communicated with each other, the discharging pipeline (23) is arranged at the bottom of the bin (20) and is communicated with the second chamber (22), the rotary supporting shaft (24) is transversely connected to the bottom of the bin (20), the first chamber (21) is used for accommodating powder, the volume of the first chamber (21) is larger than half of the total volume of the bin (20), the rotary supporting shaft (24) is positioned between an extension line of a gravity center line of the bin (20) and an extension line of a gravity center line of the second chamber (22), and the rotary supporting shaft (24) is rotatably connected to a base (1); a weighing device (3) arranged below the discharging pipeline (23); A receiving transfer mechanism (4) capable of transferring the container to the scale (3); The blanking driving mechanism is provided with a rotation driving mechanism (51) capable of driving the bin (20) to rotate around the central axis of the rotation supporting shaft (24) and a vibrator (52) arranged on the bin (20), and the rotation driving mechanism (51) and the vibrator (52) can be matched to regulate the discharging amount of the blanking pipeline (23).
  2. 2. The automatic powder weighing apparatus according to claim 1, wherein the rotation driving mechanism (51) is provided with an executing member (510) capable of performing lifting movement, and the lifting movement of the executing member (510) can enable the bin (20) to rotate in a clockwise or counterclockwise direction respectively; When the executing piece (510) is at a preset highest position and the vibrator (52) works with the maximum vibration parameter, the bin (20) rotates to a maximum inclined state in the clockwise direction, and meanwhile, the discharging amount of the discharging pipeline (23) is in a maximum state; When the executing piece (510) moves downwards from the preset highest position to a preset middle position and the vibrator (52) works with a vibration parameter smaller than the maximum vibration parameter of the vibrator, the bin (20) rotates to a first slight inclined state in the anticlockwise direction, and meanwhile, the discharging amount of the discharging pipeline (23) is in a middle state between the maximum state and zero; when the executing piece (510) moves downwards from the preset middle position to the preset lowest position and the vibrator (52) does not work, the storage bin (20) rotates to a second slight inclined state along the anticlockwise direction, and meanwhile, the discharging amount of the discharging pipeline (23) is zero.
  3. 3. The automatic powder weighing device according to claim 2, wherein the executing member (510) has a block structure, and a groove block (25) which can be in abutting fit with the executing member (510) is arranged on the outer wall of the storage bin (20) and is close to the first chamber (21).
  4. 4. The automatic powder weighing device according to claim 2, wherein the rotary driving mechanism (51) is further provided with a lifting plate (511) fixedly connected with the executing member (510) and a power member (512) capable of driving the lifting plate (511) to perform lifting movement, and the power member (512) is fixedly arranged on the base (1).
  5. 5. The automatic powder weighing apparatus according to claim 2, wherein said vibrator (52) is a pneumatic vibrator and is configured to be one or more, and said vibrator (52) is fixedly provided on an outer wall of said hopper (20) at a position close to said discharging pipe (23).
  6. 6. The automatic powder weighing device according to claim 1, wherein the bin (20) is a hollow structure body with an opening at the upper side, the vertical section of the upper part of the bin (20) is rectangular, and the vertical section of the lower part of the bin (20) is triangular; A vertical partition plate (26) is fixedly arranged in the inner cavity of the storage bin (20) so as to divide the inner cavity of the storage bin (20) into the first chamber (21) and the second chamber (22), and a notch (260) is formed in the bottom side of the vertical partition plate (26) in an upward concave mode so that the first chamber (21) is communicated with the second chamber (22).
  7. 7. The automatic powder weighing device according to claim 6, characterized in that the volume of said first chamber (21) occupies two thirds of the total volume of said silo (20); The bin assembly (2) is further provided with a bin cover (27), and the bin cover (27) is detachably covered on the upper side opening of the bin (20).
  8. 8. The automatic powder weighing device according to claim 1, further comprising a supporting component, wherein the supporting component is provided with a diagonal brace (60) fixedly arranged at the top of the base (1) and a supporting block (61) made of an antistatic material and fixedly arranged at the top of the diagonal brace (60), and the supporting block (61) is provided with an arc-shaped groove (62) for supporting the rotary supporting shaft (24) and simultaneously being in rotating fit with the rotary supporting shaft (24).
  9. 9. The automatic powder weighing device according to claim 1, wherein the receiving and transferring mechanism (4) comprises a receiving plate (41) provided with at least two accommodating grooves (40), a rotating mechanism capable of driving the receiving plate (41) to rotate, and a lifting mechanism capable of driving the rotating mechanism and the receiving plate (41) to move up and down together, the accommodating grooves (40) are used for accommodating containers, and the at least two accommodating grooves (40) can fall on the weighing machine (3) one by one under the synergistic effect of the lifting mechanism and the rotating mechanism.
  10. 10. The automatic powder weighing device according to claim 9, further comprising a base (7), wherein the jacking mechanism is provided with a lifting cylinder (43) fixedly arranged on the top of the base (7) through a bracket A (42), the rotating mechanism is provided with a rotating cylinder (44) fixedly connected with a piston rod of the lifting cylinder (43), and a rotating disk of the rotating cylinder (44) is fixedly connected with the bearing plate (41); the weighing device (3) adopts an electronic scale and is fixedly arranged on the top of the base (7) through a bracket B (30); In addition, sensors (8) for sensing the loading and unloading states of the containers are also respectively arranged on the bracket A (42) and the bracket B (30).

Description

Automatic powder weighing device Technical Field The invention relates to the technical field of weighing devices, in particular to an automatic powder weighing device. Background In a production line of products such as powder and granules, a product packaging process is generally provided, in which a powder/granule product is divided into small portions by a predetermined amount so as to facilitate a packaging operation in a subsequent process. At present, when the powder/granular product is split-charged, a manual weighing split-charging processing mode is mostly adopted, but the manual split-charging mode has the following defects that the working efficiency of ① manual operation is low, the labor intensity is high, the labor cost is high, the ② manual operation is difficult to ensure high weighing precision and uniform weighing quality, and the product pollution risk exists, so that the product split-charging quality is poor. ③ The production environment of the powder/granular product is easy to burn and explode, and can easily cause operators to get occupational diseases such as pneumoconiosis and the like, thereby generating great hidden trouble for the health and personal safety of the operators and the like. In view of this, the present invention has been made. Disclosure of Invention In order to overcome the defects, the invention provides the automatic powder weighing device which has high automation and integration degree, greatly improves the processing efficiency, reduces the labor intensity and the labor cost, can weigh/split powder with high accuracy, has high operation consistency, and well ensures the physical health and the personal safety of operators. The invention adopts the technical proposal that the powder automatic weighing device comprises a machine seat; The device comprises a bin assembly, a feeding device and a rotary supporting shaft, wherein the bin assembly is provided with a bin, a first chamber and a second chamber which are arranged in the bin at intervals along the transverse direction and are communicated with each other, a discharging pipeline which is arranged at the bottom of the bin and is communicated with the second chamber, and the rotary supporting shaft which is transversely connected to the bottom of the bin; The weighing device is arranged below the blanking pipeline; The receiving and transferring mechanism can transfer the container to the weighing device; the blanking driving mechanism is provided with a rotation driving mechanism capable of driving the bin to rotate around the central axis of the rotation supporting shaft and a vibrator arranged on the bin, and the rotation driving mechanism and the vibrator can be matched to adjust the discharging amount of the blanking pipeline. As a further improvement of the invention, the rotary driving mechanism is provided with an executing piece capable of lifting, and the lifting of the executing piece can enable the bin to correspondingly rotate along the clockwise or anticlockwise direction; When the executing piece is at the preset highest position and the vibrator works with the maximum vibration parameter, the bin rotates to the maximum inclined state in the clockwise direction, and meanwhile, the discharging amount of the discharging pipeline is in the maximum state; when the executing piece moves downwards from the preset highest position to a preset middle position and the vibrator works with a vibration parameter smaller than the maximum vibration parameter of the vibrator, the bin rotates to a first slight inclined state in the anticlockwise direction, and meanwhile, the discharging amount of the discharging pipeline is in a middle state between the maximum state and zero; When the executing piece moves downwards from the preset middle position to the preset lowest position and the vibrator does not work, the bin rotates to a second slight inclined state along the anticlockwise direction, and meanwhile, the discharging amount of the discharging pipeline is zero. As a further improvement of the invention, the executing piece is of a block structure, and a groove block which can be in abutting fit with the executing piece is arranged on the outer wall of the storage bin and close to the first chamber. As a further improvement of the invention, the rotation driving mechanism is also provided with a lifting plate fixedly connected with the executing piece and a power piece capable of driving the lifting plate to lift, and the power piece is fixedly arranged on the base. As a further improvement of the invention, the vibrator adopts a pneumatic vibrator and is configured to be more than one vibrator, and the vibrator is fixedly arranged on the outer wall of the storage bin and is close to the position of the blanking pipeline. As a further improvement of the invention, the bin is a hollow structure body with an opening at the upper side, the vertical section of the upper part of the bin is rectangular, and t