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CN-224198398-U - Arch breaking device with airtight function and lithium battery powder bin

CN224198398UCN 224198398 UCN224198398 UCN 224198398UCN-224198398-U

Abstract

The utility model belongs to the technical field of general crushing, and in particular relates to an arch breaking device with an air sealing function and a lithium battery powder bin; the air-tight sealing device comprises a connecting flange, an upper pressing ring, a lower pressing ring, a turntable, an air source, an arch breaking device and a lithium battery powder bin, wherein the upper pressing ring is connected with the upper end face of the connecting flange and covers corresponding air grooves, the outer ring is connected with the lower end face of the connecting flange and covers corresponding air grooves, the turntable is rotatably arranged in the connecting flange, the upper end portion and the lower end portion of the turntable are respectively matched with the inner ring portion of the upper pressing ring and the inner ring portion of the lower pressing ring in a concave-convex mode, the two air grooves are connected with the air source, air enters the valve from the air grooves to form positive pressure in the valve and flows out from gaps between the turntable and the upper pressing ring and the lower pressing ring, and the arch breaking device with the air-tight sealing function and the lithium battery powder bin are connected with the air source through the air grooves, so that air enters the turntable from the gaps at two ends of the turntable to be sealed in an airtight mode, and powder is prevented from flowing out of the turntable from the gaps.

Inventors

  • WANG JIAN
  • YU ZHIMIN
  • WANG BAO

Assignees

  • 江苏道金智能装备制造有限公司

Dates

Publication Date
20260505
Application Date
20250619

Claims (10)

  1. 1. An arch breaking device with an airtight seal function, comprising: The upper end face and the lower end face of the connecting flange (1) are provided with annular air grooves (11); An upper compression ring (2), the outer ring part of which is connected with the upper end surface of the connecting flange (1) and covers the corresponding air groove (11); a lower compression ring (3), the outer ring part of which is connected with the lower end surface of the connecting flange (1) and covers the corresponding air groove (11); The turntable (4) is rotatably arranged in the connecting flange (1), and the upper end part and the lower end part of the turntable are respectively matched with the inner ring part of the upper pressing ring (2) and the inner ring part of the lower pressing ring (3) in a concave-convex manner; The two air tanks (11) are connected with an air source, and air enters the valve from the air tanks (11) to form positive pressure in the valve and flows out from gaps among the turntable (4), the upper pressing ring (2) and the lower pressing ring (3).
  2. 2. The air-tight seal arch breaking device according to claim 1, wherein, The connecting flange (1) comprises: a mounting block (12); An upper flange ring (13) connected with the upper surface of the mounting block (12); a lower flange ring (14) connected to the lower surface of the mounting block (12); The upper surface of the upper flange ring (13) is provided with the air groove (11), and the lower surface of the lower flange ring (14) is provided with the air groove (11); the outer ring part of the upper compression ring (2) is connected with the upper flange ring (13) and covers the corresponding air groove (11); The outer ring part of the lower pressing ring (3) is connected with the lower flange ring (14) and covers the corresponding air groove (11).
  3. 3. The air-tight seal arch breaking device according to claim 2, wherein, An overflow hole (15) is arranged in the air groove (11), wherein The overflow holes (15) extend to the side walls of the corresponding flange rings; The overflow hole (15) is connected with an air source.
  4. 4. The air-tight seal arch breaking device according to claim 3, The upper end face of the rotary table (4) is provided with a first annular groove (41), and the first annular groove (41) is communicated with the inner wall of the rotary table (4); The inner ring part of the upper compression ring (2) is provided with a first annular boss (21) which is matched with the first annular groove (41); Wherein the first annular boss (21) is in concave-convex fit with the first annular groove (41).
  5. 5. The air-tight seal arch breaking device according to claim 4, wherein, A second annular groove (42) is formed in the middle of the lower end face of the rotary disc (4); The inner ring part of the lower compression ring (3) is provided with a second annular boss (31) which is matched with the second annular groove (42); wherein, the second annular boss (31) is matched with the second annular groove (42) in a concave-convex way.
  6. 6. The air-tight seal arch breaking device according to claim 5, wherein, Annular mounting grooves (16) are formed in the upper flange ring (13) and the lower flange ring (14); the mounting groove (16) is positioned at the periphery of the air groove (11); a sealing ring (17) is arranged in the mounting groove (16).
  7. 7. The air-tight seal arch breaking device according to claim 6, wherein, The two ends of the turntable (4) are respectively in clearance fit with the upper flange ring (13) and the lower flange ring (14).
  8. 8. The air-tight seal arch breaking device according to claim 7, The side wall of the turntable (4) is provided with an inverted V-shaped convex ring (43); A plurality of guide rail rollers (18) are arranged on the lower flange ring (14), and the guide rail rollers (18) are arranged into a round shape, wherein The side wall of the guide rail roller (18) is provided with a V-shaped groove (181); the inverted V-shaped convex rings (43) of the rotary table (4) are positioned in the V-shaped grooves (181); a plurality of rotating wheels (19) are arranged on the upper flange ring (13), each rotating wheel (19) is arranged into a circle, wherein The side wall of the rotating wheel (19) is propped against the side wall of the rotating disc (4).
  9. 9. The air-tight seal arch breaking device according to claim 8, wherein, The inner wall of the rotary table (4) is provided with paddles (5); The blade (5) is suitable for extending into a discharge hole (61) of the powder bin (6).
  10. 10. A lithium battery powder silo, comprising: A powder bin (6); The arch breaking device according to any one of claims 1 to 9, being connected to a discharge opening (61) of the powder bin (6); A gas source connected with each flow-through hole (15) of the arch breaking device, wherein The air source is suitable for inflating the arch breaking device to seal the gaps at the two ends of the turntable (4).

Description

Arch breaking device with airtight function and lithium battery powder bin Technical Field The utility model belongs to the technical field of general crushing, and particularly relates to an auxiliary device, in particular to an arch breaking device with an airtight function and a lithium battery powder bin. Background However, due to the fact that the powder is extruded in the bin and the like, the powder at the bottom of the bin is easy to agglomerate, so that the powder is difficult to fall from the discharge hole, and therefore, an arch breaking device with paddles is generally arranged to break up the agglomerated powder so as to be convenient for outflow. In the related art, the rotation of paddle is driven by the carousel, and the in-process that the powder dropped can pass through the carousel, generally adopts unsmooth matched's labyrinth structure between the upper and lower both ends of carousel to play the effect that prevents the powder outflow. In the above structure, since the turntable is required to rotate, a gap is necessarily left between the two ends of the turntable, and a small amount of powder flows out of the turntable although the gap is small. Therefore, how to avoid powder flowing out of the turntable is a technical problem to be solved by the person skilled in the art. It should be noted that the above information disclosed in this background section is only for understanding the background of the inventive concept and therefore the above description is not to be construed as constituting prior art information. Disclosure of utility model The embodiment of the disclosure at least provides an arch breaking device with an airtight sealing function and a lithium battery powder bin. According to the first aspect, the embodiment of the disclosure provides an arch breaking device with an air sealing function, which comprises a connecting flange, an upper pressing ring, a lower pressing ring, a turntable and an air supply, wherein annular air grooves are formed in the upper end face and the lower end face of the connecting flange, the outer ring portion of the upper pressing ring is connected with the upper end face of the connecting flange and covers the corresponding air grooves, the outer ring portion of the lower pressing ring is connected with the lower end face of the connecting flange and covers the corresponding air grooves, the turntable is rotatably arranged in the connecting flange, the upper end portion and the lower end portion of the turntable are respectively matched with the inner ring portion of the upper pressing ring and the inner ring portion of the lower pressing ring in a concave-convex mode, the two air grooves are connected with the air supply, and air enters the valve from the air grooves to form positive pressure in the valve, and flows out of gaps between the turntable and the upper pressing ring and the lower pressing ring. In an alternative implementation mode, the connecting flange comprises a mounting block, an upper flange ring connected with the upper surface of the mounting block, a lower flange ring connected with the lower surface of the mounting block, the air groove is formed in the upper surface of the upper flange ring, the air groove is formed in the lower surface of the lower flange ring, the outer ring portion of the upper pressing ring is connected with the upper flange ring and covers the corresponding air groove, and the outer ring portion of the lower pressing ring is connected with the lower flange ring and covers the corresponding air groove. In an alternative embodiment, the air groove is internally provided with an overflow hole, wherein the overflow hole extends to the side wall of the corresponding flange ring, and the overflow hole is connected with an air source. In an alternative implementation mode, a first annular groove is formed in the upper end face of the rotary table and is communicated with the inner wall of the rotary table, a first annular boss matched with the first annular groove is arranged at the inner ring portion of the upper pressing ring, and the first annular boss is in concave-convex fit with the first annular groove. In an alternative implementation mode, a second annular groove is formed in the middle of the lower end face of the rotary disc, a second annular boss matched with the second annular groove is arranged at the inner ring portion of the lower pressing ring, and the second annular boss is in concave-convex fit with the second annular groove. In an alternative implementation mode, annular mounting grooves are formed in the upper flange ring and the lower flange ring, the mounting grooves are located on the periphery of the air groove, and sealing rings are arranged in the mounting grooves. In an alternative embodiment, two ends of the turntable are respectively in clearance fit with the upper flange ring and the lower flange ring. In an alternative implementation mode, the side wall of the rotary tabl