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CN-121971907-A - Lost foam casting filter assembly

CN121971907ACN 121971907 ACN121971907 ACN 121971907ACN-121971907-A

Abstract

The invention discloses a lost foam casting filter assembly, which belongs to the technical field of casting filtration and comprises a frame, a filter assembly, an opening and closing assembly, a cleaning assembly, an exhaust assembly, an auxiliary exhaust assembly and an exhaust assembly, wherein the frame is connected with a casting table through a rotating assembly, the filter assembly is hinged on the rotating assembly, the opening and closing assembly is fixed on the frame and is connected with two groups of filter assemblies in a sliding manner, the cleaning assembly is hinged on the rotating assembly, the exhaust assembly is communicated with the filter assembly, and the auxiliary exhaust assembly is connected with the filter assembly in a rotating manner and is connected with the exhaust assembly. The rotating assembly is started, so that the two groups of filtering assemblies can be filtered and cleaned alternately, and the casting pouring efficiency is improved. The cleaning assembly can drive the pouring cup to automatically clean the inner wall of the pouring tube under the action of the rotating assembly. The auxiliary exhaust assembly and the exhaust assembly can respectively enable the sand box and the filtering assembly to generate low-frequency vibration, so that bubbles in molten metal are promoted to float upwards, gas gasified by the foam mould during casting is pumped away, the exhaust effect during casting is improved, and air holes and defects of castings are reduced.

Inventors

  • LU JIANHUA
  • SHEN ZHONGREN
  • LIANG QIXIANG
  • XU LIANGBI

Assignees

  • 常州钜苓铸造有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (8)

  1. 1. A lost foam casting filter component is characterized in that, the lost foam casting filter assembly comprises: The pouring device comprises a frame (1), wherein the frame (1) is connected with a pouring table (11) through a rotating assembly (2), two groups of pouring cups (12) are fixed on the pouring table (11), and pouring ports (13) are formed in the end parts of the two groups of pouring cups (12); The filtering component (3) is hinged on the rotating component (2) and is respectively communicated with the two groups of pouring cups (12) for filtering molten metal; the opening and closing assembly (4) is fixed on the frame (1) and is in sliding connection with the two groups of filtering assemblies (3) and is used for being matched with the rotating assembly (2) to realize the periodical opening and closing of the two groups of filtering assemblies (3); The cleaning assembly (5) is hinged on the rotating assembly (2) and is used for being matched with the rotating assembly (2) to realize the up-and-down sliding of the pouring table (11), so that the pouring cup (12) is driven to clean the inner wall of the pouring tube (25); the exhaust assembly (6) is communicated with the filter assembly (3) and is used for exhausting the filter assembly (3); And the auxiliary exhaust component (7) is rotationally connected to the filter component (3) and connected with the exhaust component (6) and is used for being matched with the exhaust component (6) to realize the vibration of the filter component (3), so that the floating of bubbles in the filter component (3) is promoted.
  2. 2. The lost foam casting filter assembly according to claim 1, wherein the rotating assembly (2) comprises: a driving member (21) mounted on the frame (1); A driving shaft (22) rotatably connected to the frame (1), and the end part thereof is connected to the output end of the driving member (21); The rotary shaft (23) is connected inside the driving shaft (22) in a sliding way, the rotary shaft (23) and the driving shaft (22) are connected through a spline shaft and a spline sleeve, and the center of the pouring table (11) is fixed at the end part of the rotary shaft (23); The switching platform (24) is fixed on the surface of the driving shaft (22), two groups of pouring pipes (25) are fixed on the switching platform (24), and the lower end surfaces of the two groups of pouring cups (12) are connected inside the two groups of pouring pipes (25) in a sliding manner; And an exhaust pipe (251) connected to the side surface of the pouring pipe (25).
  3. 3. The lost foam casting filter assembly according to claim 2, wherein the filter assembly (3) comprises: the support (31) is fixed on the side surface of the pouring tube (25), the surface of the support is rotatably connected with the mounting frame (32), and at least one group of filter screens (321) are placed on the mounting frame (32); the sliding rod (33) is fixed on the side surface of the mounting frame (32); The sand box (34) is positioned at the lower side of the pouring pipe (25), and the surface of the sand box is connected with a support frame (35) in a sliding manner; And the straight pouring pipe (37) is communicated with the support frame (35), the end part of the straight pouring pipe is provided with a straight pouring gate (36), and two sides of the mounting frame (32) are respectively and slidably connected with the end surfaces of the pouring pipe (25) and the straight pouring gate (36).
  4. 4. A lost foam casting filter assembly according to claim 3, wherein the shutter assembly (4) comprises: The side surface of the circular ring (42) is connected to the frame (1) through two groups of L-shaped frames (41); The convex frame (421) is arranged on the circular ring (42), and the surfaces of the circular ring (42) and the convex frame (421) are both in sliding connection with the end part of the sliding rod (33).
  5. 5. The lost foam casting filter assembly according to claim 2, wherein the cleaning assembly (5) comprises: The fixed seat (51) is fixed on the rotating shaft (23), two groups of inclined rods (53) are hinged to the side face of the fixed seat, and round balls (55) are connected to the end parts of the two groups of inclined rods (53); A spring (52) connected between the switching platform (24) and the casting table (11); and one end of the connecting rod (54) is hinged on the switching platform (24), and the other end of the connecting rod is hinged on the side face of the inclined rod (53).
  6. 6. A lost foam casting filter assembly according to claim 3, wherein the venting assembly (6) comprises: an exhaust box (61) connected to the side surface of the sand box (34), wherein a driver (62) is installed on the side surface, and a vacuum pump is installed in the exhaust box (61); A rotating shaft (63) rotatably connected to the exhaust box (61), and the end part thereof is connected to the output end of the driver (62); an impeller (64) mounted on the surface of the rotating shaft (63), the impeller (64) being rotatably connected to the inside of the vacuum pump; an air duct (65) connected to the exhaust box (61), and the other end connected to the exhaust pipe (251).
  7. 7. The lost foam casting filter assembly according to claim 6, wherein the auxiliary exhaust assembly (7) comprises: a rotating rod (71) rotatably connected to the exhaust box (61); a rotating frame (72) fixed on the surface of the rotating rod (71), and a first inclined frame (75) and a second inclined frame (76) are connected to the side surface of the rotating rod; a turntable (73) connected to the end of the rotating shaft (63), and a rotating column (74) eccentrically fixed on the surface; A chute (721) which is arranged on the rotating frame (72), and the surface of the rotating column (74) is connected inside the chute (721) in a sliding way; The rotating wheel (77) is rotationally connected to the sand box (34), a poking column (78) is arranged on the surface of the rotating wheel, and the poking column (78) is respectively and slidably connected with the first inclined frame (75) and the second inclined frame (76).
  8. 8. The lost foam casting filter assembly according to claim 7, wherein vibration columns (79) are circumferentially distributed on the surface of the sand box (34), spring plates (771) are fixed on the surface of the rotating wheel (77), and the spring plates (771) are in sliding connection with the circumferentially distributed vibration columns (79).

Description

Lost foam casting filter assembly Technical Field The invention relates to the technical field of casting pouring filtration, in particular to a lost foam casting filtration assembly. Background Chinese patent (issued publication number: CN 209379874U) discloses a casting pouring filter device, which belongs to the field of casting pouring and comprises a pouring barrel, a filter mechanism, a first filter screen and a second filter screen. The pouring barrel is a cuboid box body with openings at the upper end and the lower end, the filtering mechanism comprises a filtering cavity body which is an inverted quadrangular frustum pyramid, the second filter screen is arranged on four inclined side plates of the filtering cavity body, and the first filter screen is arranged between the pouring barrel and the filtering mechanism and is fixed in a detachable connection mode. The patent provides a new large-volume pouring barrel, improves the filtering capacity, improves the filtering effect by arranging a multi-stage filter screen, and can preheat and insulate the filtering device by arranging a heating sleeve around the filtering cavity. The problems of small filtering flow, poor filtering effect, poor heat preservation effect and the like in the existing filtering equipment are solved. The casting pouring filter device in the technical scheme has the following defects that when the filter assembly filters molten metal, the molten metal possibly brings gas under the blocking of the filter assembly, so that the casting has the defects of air holes and the like, and therefore, the lost foam casting filter assembly is needed to be provided, and the aim of solving the problems is achieved. Disclosure of Invention Aiming at the defects in the prior art, the embodiment of the invention aims to provide a lost foam casting filter assembly so as to solve the problems in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: A lost foam casting filter assembly comprising: The pouring device comprises a frame, a pouring table, a pouring assembly and a pouring machine, wherein the frame is connected with the pouring table through the rotating assembly, two groups of pouring cups are fixed on the pouring table, and pouring ports are formed in the end parts of the two groups of pouring cups; The filtering component is hinged on the rotating component, is respectively communicated with the two groups of pouring cups and is used for filtering molten metal; the opening and closing assembly is fixed on the frame, is connected with the two groups of filtering assemblies in a sliding way and is used for being matched with the rotating assembly to realize the periodic opening and closing of the two groups of filtering assemblies; The cleaning assembly is hinged on the rotating assembly and is used for being matched with the rotating assembly to realize the up-and-down sliding of the pouring table, so that the pouring cup is driven to clean the inner wall of the pouring tube; the exhaust component is communicated with the filter component and is used for exhausting the filter component; And the auxiliary exhaust component is rotationally connected to the filter component and connected with the exhaust component and is used for being matched with the exhaust component to realize the vibration of the filter component so as to promote the floating of bubbles in the filter component. The rotating assembly comprises a driving piece, a driving shaft, a rotating shaft, a switching platform, an exhaust pipe and a pouring pipe, wherein the driving piece is arranged on a rack, the driving shaft is rotatably connected to the rack, the end portion of the driving shaft is connected to the output end of the driving piece, the rotating shaft is connected to the inside of the driving shaft in a sliding mode, the rotating shaft and the driving shaft are connected through a spline shaft and a spline sleeve, the center of a pouring table is fixed to the end portion of the rotating shaft, the switching platform is fixed to the surface of the driving shaft, two groups of pouring pipes are fixed to the switching platform, the lower end surfaces of two groups of pouring cups are connected to the inside of the two groups of pouring pipes in a sliding mode, and the exhaust pipe is communicated to the side surfaces of the pouring pipes. The filtering assembly comprises a support, a sliding rod, a sand box, a straight pouring pipe and a straight pouring gate, wherein the support is fixed on the side face of the pouring pipe, the surface of the support is rotatably connected with a mounting frame, at least one group of filter screens are placed on the mounting frame, the sliding rod is fixed on the side face of the mounting frame, the sand box is located on the lower side of the pouring pipe, the surface of the sand box is slidably connected with a supporting frame, the straight pouring pipe is