Search

CN-224222665-U - Molding sand quantitative discharging device

CN224222665UCN 224222665 UCN224222665 UCN 224222665UCN-224222665-U

Abstract

The utility model relates to the technical field of molding sand blanking, in particular to a molding sand quantitative blanking device, which comprises a blanking pipe, wherein a shell is fixedly arranged at the bottom end of the blanking pipe, a feed inlet and a discharge outlet are respectively formed in the top and the bottom of the shell, the feed inlet is communicated with the blanking pipe, a material tray is rotationally connected inside the shell, a plurality of material grooves are formed in the material tray, the material grooves are annularly equidistant, the top and the bottom of the material tray are both abutted to the inner wall of the shell, the material grooves are respectively matched with the feed inlet and the discharge outlet, and a driving source for driving the material tray to rotate is fixedly arranged on the shell. Through the charging tray that sets up, the molding sand in the unloading pipe gets into the charging tray through the feed inlet of casing in the silo, and the silo fills the filling of accomplishing quantitative molding sand promptly, and the driving source drives the charging tray and rotates, and when the silo rotates to discharge gate department, the molding sand in the silo falls under the action of gravity to can accomplish the accurate quantitative unloading of molding sand.

Inventors

  • ZHENG CHUANBAO

Assignees

  • 安徽玮保机械制造有限公司

Dates

Publication Date
20260512
Application Date
20250425

Claims (9)

  1. 1. The molding sand quantitative blanking device comprises a blanking pipe and is characterized in that a shell (1) is fixedly arranged at the bottom end of the blanking pipe, and a feed inlet (11) and a discharge outlet (12) are respectively formed in the top and the bottom of the shell (1), wherein the feed inlet (11) is communicated with the blanking pipe; the automatic feeding device is characterized in that a charging tray (2) is rotationally connected inside the shell (1), a plurality of material grooves (21) are formed in the charging tray (2), the material grooves (21) are annularly equidistant, the top and the bottom of the charging tray (2) are all abutted to the inner wall of the shell (1), and the material grooves (21) are respectively matched with the feeding hole (11) and the discharging hole (12); The shell (1) is fixedly provided with a driving source (3) for driving the material tray (2) to rotate.
  2. 2. A sand quantitative blanking apparatus according to claim 1, further comprising an adjusting assembly (4) for adjusting the capacity of the trough (21).
  3. 3. The molding sand quantitative blanking device according to claim 2, characterized in that the adjusting assembly (4) comprises adjusting blocks (41) which are respectively connected in the material tanks (21) in a sliding manner, a rotating shaft (42) is rotatably arranged in the middle of the material pipe, the rotating shaft (42) drives the adjusting blocks (41) to move through a transmission piece (43), and a limiter (44) for fixing the rotating shaft (42) is further arranged at the top end of the material tray (2).
  4. 4. A sand quantitative blanking device according to claim 3, characterized in that the driving member (43) comprises a driving disc (431) fixedly arranged on the rotating shaft (42), a first connecting rod (433) is fixedly arranged on one side of the adjusting block (41) facing the driving disc (431), a second connecting rod (434) is fixedly arranged at the end part of the first connecting rod (433), and the second connecting rod (434) extends into and is slidingly connected with a driving groove (432) on the driving disc (431).
  5. 5. The molding sand quantitative discharging device according to claim 4, wherein the transmission groove (432) is provided in a direction inclined from the radial direction of the transmission disk (431).
  6. 6. A molding sand quantitative blanking device according to claim 3, characterized in that the limit device (44) comprises a limit rod (441) which is connected with the top of the material tray (2) in a threaded manner, one end of the limit rod (441) passes through the opening in the shell (1) and is fixedly connected with a torsion cover (442), the other end of the limit rod is spliced with the rotating shaft (42), a lug (443) is fixedly arranged in the axial direction of the rotating shaft (42), a groove (444) which is matched with the lug (443) is formed in the limit rod (441), and the lug (443) is connected in the groove (444) in a sliding manner.
  7. 7. The molding sand quantitative blanking device according to claim 6, wherein the torsion cover (442) is fixedly provided with an indicator (51), and the circumferential direction of the opening is provided with an indicator line.
  8. 8. A sand quantitative blanking device according to claim 3, characterized in that a baffle (6) is fixedly arranged on the top end of the adjusting block (41), and the baffle (6) is slidably connected in a baffle groove on the top of the material tray (2).
  9. 9. The molding sand quantitative blanking device according to claim 1, wherein the driving source (3) is a motor, and the output end of the motor penetrates through the shell (1) and is fixedly connected with the material tray (2).

Description

Molding sand quantitative discharging device Technical Field The utility model relates to the technical field of molding sand blanking, in particular to a molding sand quantitative blanking device. Background The molding sand is mainly formed by mixing raw sand (such as quartz sand) for casting, a binder (such as clay and resin) and an auxiliary material (such as coal dust and water glass) according to a proportion, and is a common material for casting molds. At present, the quantitative unloading of molding sand is realized through weighing type measurement dish usually, specifically, carries molding sand through equipment such as auger to fall to weighing dish through gravity, after the weight of weighing dish reaches appointed numerical value, stop carrying molding sand. However, this method causes a problem that the molding sand is excessively supplied, that is, after the molding sand of a specified weight is taken from the weighing pan, the auger stops supplying the molding sand, but the molding sand still exists in the air at this time, and when this part of molding sand falls down to the weighing pan, the actual molding sand weight exceeds a predetermined value, and the accuracy of quantitative blanking is poor. Disclosure of utility model The utility model aims to provide a molding sand quantitative blanking device which aims to solve the defects in the prior art. In order to achieve the above object, the present utility model provides the following technical solutions: The molding sand quantitative blanking device comprises a blanking pipe, wherein a shell is fixedly arranged at the bottom end of the blanking pipe, a feeding hole and a discharging hole are respectively formed in the top and the bottom of the shell, the feeding hole is communicated with the blanking pipe, a material tray is rotationally connected inside the shell, a plurality of material grooves are formed in the material tray, the material grooves are annularly equidistantly arranged, the top and the bottom of the material tray are all abutted to the inner wall of the shell, the material grooves are respectively matched with the feeding hole and the discharging hole, and a driving source for driving the material tray to rotate is fixedly arranged on the shell. Further, an adjustment assembly is included for adjusting the capacity of the trough. Further, the adjusting component comprises adjusting blocks which are respectively connected in the trough in a sliding mode, a rotating shaft is rotatably arranged in the middle of the material pipe, the rotating shaft drives the adjusting blocks to move through a transmission piece, and a limiter used for fixing the rotating shaft is further arranged at the top end of the material tray. Further, the driving medium includes fixed setting up in epaxial driving disk, the regulating block is provided with first connecting rod towards the fixed one side of driving disk, first connecting rod tip is fixedly provided with the second connecting rod, the second connecting rod stretches into and sliding connection in the transmission inslot on the driving disk. Further, the arrangement direction of the transmission groove is inclined to the radial direction of the transmission disc. Further, the stopper includes threaded connection in the gag lever post at charging tray top, gag lever post one end passes trompil and fixedly connected with on the casing and turns round the lid, and the other end is pegged graft with the pivot, the axial direction of pivot is fixed to be provided with the lug, set up the fluting with lug looks adaptation on the gag lever post, lug sliding connection is in the fluting. Further, an indicator is fixedly arranged on the torsion cover, and an indicator line is arranged in the circumferential direction of the opening. Further, a baffle is fixedly arranged on the top end of the adjusting block and is slidably connected in a baffle groove at the top of the material tray. Further, the driving source is a motor, and the output end of the motor penetrates through the shell and is fixedly connected with the charging tray. In the technical scheme, the molding sand quantitative blanking device provided by the utility model has the beneficial effects that: Through the charging tray that sets up, the molding sand in the unloading pipe gets into the charging tray through the feed inlet of casing in the silo, and the silo is filled up and is accomplished the packing of ration molding sand promptly, and the driving source drives the charging tray and rotates, and when the silo rotates to discharge gate department, the molding sand in the silo falls down under the action of gravity to accomplish the ration unloading of molding sand, this device ration is accurate, and the setting of a plurality of silos can also accelerate the efficiency of ration unloading. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanat