Search

CN-116475358-B - Sand mould for high nickel alloy butterfly valve body

CN116475358BCN 116475358 BCN116475358 BCN 116475358BCN-116475358-B

Abstract

The invention discloses a sand mould for a high nickel alloy butterfly valve body, which comprises two mould frames, wherein heating belts are arranged on the outer surfaces of the two mould frames. This sand mould for high nickel alloy butterfly valve body, when using, pour into the casting sand into the mould frame, use the gland to cover the mould frame after filling, at this moment under the pressing action of reinforcement clamp plate, effectively compress tightly the casting sand, prevent the too big clearance between the granule of casting sand, cause the surface roughness of shaping piece, the casting sand is compressed tightly the back with the mould frame upset, make supporting component contact ground support, outwards take out firm bottom plate this moment, open the module of firm bottom plate being convenient for take out the butterfly valve body, form the die cavity, make assorted die cavity in two mould frames of same mode, during the processing, detect the inside temperature of casting sand through temperature sensor, and give the controller with data transmission, compare with the threshold value of controller.

Inventors

  • SUN XIONG
  • NIU FANGYONG

Assignees

  • 芜湖市金贸流体科技股份有限公司

Dates

Publication Date
20260512
Application Date
20230331

Claims (8)

  1. 1. The utility model provides a high nickel alloy sand mould for butterfly valve body which characterized in that includes: The mold comprises mold frames (1), wherein two mold frames (1) are arranged, heating belts (12) are arranged on the outer surfaces of the two mold frames (1), pressing covers (2) are slidably arranged on opposite sides of the two mold frames (1), reinforcing pressing plates (16) are fixedly connected to opposite sides of the two pressing covers (2), casting sand (13) are arranged on the inner walls of the two mold frames (1), and cavities (15) are formed in opposite sides of the two casting sand (13); The control assembly (11), control assembly (11) are provided with two, two control assembly (11) are respectively fixed mounting in one side of two mould frames (1), two control assembly (11) all include protection box (1101), two all fixed mounting separates plywood (1109) between the inner wall of protection box (1101), two the top of separating plywood (1109) all is provided with controller (1106), two the bottom of separating plywood (1109) all is provided with temperature sensor (1108), the surface of two protection box (1101) all is connected with enclosing cover (1102) through the hinge rotation; Two equal fixedly connected with of opposite one side of mould frame (1) stabilizes subassembly (10), two firm subassembly (10) all are including slide rail (1001), two equal slidable mounting of inner wall of slide rail (1001) has smooth frame (1003), two equal fixed mounting of opposite one side of smooth frame (1003) has firm bottom plate (1002), two draw-in groove (3) have all been seted up near four edges to the surface of gland (2), two equal fixed mounting of four surfaces of mould frame (1) has hasp subassembly (4).
  2. 2. The sand mold for the high-nickel alloy butterfly valve body of claim 1, wherein the top and the bottom of the two protection boxes (1101) are fixedly connected with positioning blocks (1107), one sides of the two protection boxes (1101) are provided with a plurality of connecting holes (1105), the edges of the outer surfaces of the two protection boxes (1101) close to one side are adhered with negative pole magnets (1104), the edges of the outer surfaces of the two outer covers (1102) close to the other side are adhered with positive pole magnets (1103), and the outer surfaces of the two negative pole magnets (1104) are respectively magnetically connected with the outer surfaces of the two positive pole magnets (1103).
  3. 3. The sand mould for the high nickel alloy butterfly valve body according to claim 2 is characterized in that the outer parts of the two heating belts (12) are respectively provided with a protective shell (8), and one side of each protective shell (8) is fixedly connected with the outer surfaces of the two mould frames (1).
  4. 4. The sand mold for the high-nickel alloy butterfly valve body according to claim 3, wherein a plurality of connecting blocks (9) are fixedly connected to two sides of the mold frame (1), a plurality of air holes (5) are formed in the outer surfaces of the two pressing covers (2), an injection opening (6) is formed in the center of the outer surface of one pressing cover (2), and a conical injection pipe (14) is embedded in the center of the inner part of one casting sand (13).
  5. 5. The sand mold for the high-nickel alloy butterfly valve body of claim 4, wherein the outer surfaces of the two pressing covers (2) are fixedly connected with two supporting components (7), four supporting components (7) comprise supporting plates (702), a plurality of anti-slip strips (703) are fixed on one sides of the four supporting plates (702), and two mounting blocks (701) are fixed on the other sides of the four supporting plates (702).
  6. 6. The sand mold for the high-nickel alloy butterfly valve body of claim 5, wherein each group of lock catch assemblies (4) comprises two fixed blocks (401), a rotating rod (402) is embedded between the two fixed blocks (401) in a rotating mode, and two ends of the rotating rod (402) are respectively fixed with a stop block (403).
  7. 7. The sand mold for the high nickel alloy butterfly valve body of claim 6, wherein connecting bent rods (404) are welded on the outer surface of the rotating rod (402) near two ends, and a reinforcing rod (405) is welded on the opposite center of the connecting bent rods (404).
  8. 8. The sand mold for the high-nickel alloy butterfly valve body of claim 7, wherein a clamping shaft (406) is welded at a position, close to one end, between the two connecting bent rods (404), a roller (407) is movably sleeved on the outer surface of the clamping shaft (406), and the outer surface of the roller (407) is clamped with the inner wall of the clamping groove (3).

Description

Sand mould for high nickel alloy butterfly valve body Technical Field The invention relates to the technical field of metal processing, in particular to a sand mould for a high nickel alloy butterfly valve body. Background The butterfly valve is also called as flap valve, and is a simple-structure regulating valve, and can be used for controlling the opening and closing of low-pressure pipeline medium, and the butterfly valve is characterized by that its closing member (valve clack or butterfly plate) is made into the form of disk, and can be rotated around valve shaft to implement opening and closing. In the prior art, as in CN107755631A, a casting sand mold is disclosed, the technical field of mechanical device design is disclosed in the field, the casting sand mold comprises an upper mold, a bulge, square holes, a flange, a lower mold and loose-leaf sheets, the upper mold is formed by welding steel plates, the bulge is welded on the lower surface of the upper mold, sixteen square holes are uniformly processed on a top plate of the upper mold, loose-leaf sheets are adopted to connect the upper mold with the lower mold, sixteen square holes are uniformly processed on a bottom plate of the lower mold, and the right ends of the upper mold and the lower mold can be fixed by adopting snap-fit connection. However, in the prior art, the mode of manufacturing the butterfly valve body is various, the sand mould is used for processing, and the butterfly valve body has the advantage of low cost, so that the use ratio is high, the sand mould is just to put a finished butterfly valve body model in sand, then sand is filled around the model, the sand forms a casting mould after the model is taken out after the mould is opened, and molten steel is injected into the interior to realize casting, but the requirement of high nickel alloy on temperature is high when pouring, air bubbles are easily generated when the pouring temperature is too low, and the quality of the processed finished product is poor. So we propose a sand mould for a high nickel alloy butterfly valve body in order to solve the problems set forth above. Disclosure of Invention The invention aims to provide a sand mould for a high nickel alloy butterfly valve body, which aims to solve the problems that the high nickel alloy provided by the background art has high temperature requirement during pouring, bubbles are easy to generate when the pouring temperature is too low, and the quality of a processed finished product is poor. The sand mould for the high nickel alloy butterfly valve body comprises two mould frames, wherein heating belts are arranged on the outer surfaces of the two mould frames, pressing covers are slidably arranged on the opposite sides of the two mould frames, reinforcing pressing plates are fixedly connected to the opposite sides of the two pressing covers, casting sand is arranged on the inner walls of the two mould frames, mould cavities are formed on the opposite sides of the two casting sand, and control components are respectively and fixedly arranged on one sides of the two mould frames and comprise protective boxes, separation laminates are fixedly arranged between the inner walls of the two protective boxes, controllers are arranged on the tops of the two separation laminates, temperature sensors are arranged on the bottoms of the two separation laminates, and outer covers are rotatably connected to the outer surfaces of the two protective boxes through hinges. Preferably, the top and the bottom of two protection boxes are all fixedly connected with locating piece, two a plurality of connecting holes have all been seted up to one side of protection box, two the surface of protection box is close to one side edge and all adheres to there is negative pole magnet, two the surface of enclosing cover is close to edge and all adheres to there is positive pole magnet, two the surface of negative pole magnet is connected with the surface magnetism of two positive pole magnets respectively. Preferably, the outer parts of the two heating belts are respectively provided with a protective shell, and one sides of the two protective shells are respectively fixedly connected with the outer surfaces of the two mold frames. Preferably, two opposite sides of the mold frame are fixedly connected with stabilizing components, the two stabilizing components comprise sliding rails, sliding frames are slidably mounted on the inner walls of the sliding rails, and a stabilizing bottom plate is fixedly mounted on the opposite sides of the sliding frames. Preferably, two sides of the mold frame are fixedly connected with a plurality of connecting blocks, a plurality of air holes are formed in the outer surfaces of the two pressing covers, an injection opening is formed in the center of the outer surface of one pressing cover, and a conical injection pipe is embedded in the center of the inner part of one casting sand. Preferably, the outer surfaces of the