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CN-122007346-A - High-pressure water pump alloy shell molding casting equipment and process thereof

CN122007346ACN 122007346 ACN122007346 ACN 122007346ACN-122007346-A

Abstract

The invention relates to the technical field of water pump casting, and discloses high-pressure water pump alloy shell molding casting equipment and a process thereof, comprises a bottom plate, a vertical plate is fixed on the top surface of the bottom plate, a connecting rod is fixed on the top end of the vertical plate, a transverse plate is fixed at one end of the connecting rod far away from the vertical plate, the bottom plate top surface still is fixed with the curb plate, and the top of bottom plate is provided with die block and top mould, and the top mould passes through the mounting panel to be fixed in the curb plate side, is provided with the charging pipe on the top mould, and the top of top mould is provided with rotating assembly, including the rolling disc in the rotating assembly, the rolling disc rotates to install at the diaphragm top surface. The invention has the active exhaust function, can actively extract the gas in the die cavity formed by the bottom die and the top die before casting, effectively avoids the gas residue in the die cavity, prevents the defects of bubbles and the like caused by the gas when molten metal enters the die cavity, and ensures the casting quality of the water pump shell.

Inventors

  • WANG JIANYONG
  • SUN BO
  • JIN GUANGMING

Assignees

  • 河北荣昌恒达铸造有限公司

Dates

Publication Date
20260512
Application Date
20260311

Claims (10)

  1. 1. The high-pressure water pump alloy shell molding casting equipment is characterized by comprising a bottom plate (1), wherein a vertical plate (11) is fixed on the top surface of the bottom plate (1), a connecting rod (12) is fixed on the top end of the vertical plate (11), a transverse plate (13) is fixed at one end, far away from the vertical plate (11), of the connecting rod (12), a side plate (2) is further fixed on the top surface of the bottom plate (1), a bottom die (31) and a top die (32) are arranged above the bottom plate (1), the top die (32) is fixed on the side surface of the side plate (2) through a mounting plate (321), a feeding pipe (322) is arranged on the top die (32), a rotating assembly is arranged above the top die (32), a rotating disc (51) is arranged in the rotating assembly, and the rotating disc (51) is rotatably arranged on the top surface of the transverse plate (13). The top of top mould (32) is provided with the subassembly of bleeding for take out the gas in the die cavity, the side of riser (11) is provided with drive assembly, drive assembly is used for driving rotation dish (51) rotation, be provided with pushing component, control assembly and shielding component on curb plate (2).
  2. 2. The high-pressure water pump alloy shell molding casting device according to claim 1, wherein the rotating assembly further comprises two openings, the two openings are formed in the rotating disc (51), an exhaust pipe (52) is fixed in one opening, a material guiding pipe (53) is fixed in the other opening, the bottom surface of the rotating disc (51) is attached to the top surface of the material feeding pipe (322), and a gear ring (511) is fixedly sleeved on the rotating disc (51).
  3. 3. The high-pressure water pump alloy shell molding casting device according to claim 1, wherein the air extraction assembly comprises a sealing barrel (61), a sliding plug (62) is slidably arranged in the sealing barrel (61), a push rod (63) is fixed on the side surface of the sliding plug (62), the push rod (63) penetrates through the sealing barrel (61) and is slidably connected with the sealing barrel (61), the push rod (63) is of an L-shaped structure, a groove (631) is formed in one end, far away from the sliding plug (62), of the push rod (63), the sliding plug (62) is connected with the sealing barrel (61) through a spring (64), and the sealing barrel (61) is communicated with the air extraction pipe (52) through a connecting pipe (65).
  4. 4. A high-pressure water pump alloy shell molding casting device according to claim 3, characterized in that the driving assembly comprises a fixing frame (71), the fixing frame (71) is fixed on the side surface of the vertical plate (11), two guide rods (72) are fixed on the fixing frame (71), a sliding frame (73) is sleeved on the two guide rods (72) in a sliding mode, a toothed plate (74) is fixed on the sliding frame (73), teeth matched with the gear ring (511) are arranged on one side of the toothed plate (74), a fixing rod (741) is fixed on the top surface of the toothed plate (74), and the toothed plate (74) is connected with the vertical plate (11) through a tension spring (75).
  5. 5. The high-pressure water pump alloy shell molding casting device according to claim 4, wherein the pushing assembly comprises a moving plate (81) and a first air cylinder (84), the first air cylinder (84) is arranged on the side plate (2), the moving plate (81) is fixed at the telescopic end of the first air cylinder (84), a first rod body (82) is slidably arranged on the moving plate (81), a first magnetic block (821) is fixed at one end, far away from the push rod (63), of the first rod body (82), a second rod body (83) is fixed on the side face of the moving plate (81), the second rod body (83) and the first rod body (82) are arranged in an up-down opposite mode, and the second rod body (83) is arranged opposite to the fixed rod (741).
  6. 6. The high-pressure water pump alloy shell molding casting device according to claim 5, wherein the control assembly comprises a guide frame (91), the guide frame (91) is fixed on the side surface of the side plate (2), a movable seat (92) is sleeved on the guide frame (91) in a sliding manner, and a second magnetic block (93) is fixed on the side surface of the movable seat (92).
  7. 7. The high-pressure water pump alloy shell molding casting device according to claim 2, wherein the shielding assembly comprises a second air cylinder (101), the second air cylinder (101) is mounted on the side plate (2), a baffle plate (102) is fixed at the telescopic end of the second air cylinder (101), and when the material guiding pipe (53) rotates to a position opposite to the feeding pipe (322), the material guiding pipe (53) is located right below the baffle plate (102).
  8. 8. The high-pressure water pump alloy shell molding casting device according to claim 1, wherein the magnetic poles of the second magnetic block (93) opposite to the magnetic poles of the first magnetic block (821) are different poles.
  9. 9. The high-pressure water pump alloy shell molding casting device according to claim 1, wherein an electric pushing cylinder (4) is installed on the bottom plate (1), the telescopic end of the electric pushing cylinder (4) is fixedly connected with the bottom die (31), two limiting frames are fixed on the bottom plate (1), limiting seats are slidably arranged on each limiting frame, and the two limiting seats are respectively fixed on two sides of the bottom die (31).
  10. 10. A casting process of a high-pressure water pump alloy shell, based on the high-pressure water pump alloy shell molding casting equipment as claimed in any one of claims 1 to 9, characterized by comprising the following steps: Firstly, installing all parts of casting equipment in place, firmly connecting a bottom plate (1), a vertical plate (11) and other structures, installing a bottom die (31) and a top die (32) above the bottom plate (1), fixing the top die (32) on a side plate (2), connecting a feeding pipe (322) with a die cavity, installing an electric push cylinder (4) and connecting the bottom die (31) for controlling the bottom die (31) to lift, fixing a limiting frame on the bottom plate (1) and installing limiting seats, fixing the limiting seats on two sides of the bottom die (31), checking a rotating assembly, enabling a rotating disc (51) to be installed on a transverse plate (13), enabling an exhaust pipe (52) and a guide pipe (53) to be respectively arranged in an opening, enabling the initial exhaust pipe (52) to be opposite to the feeding pipe (322), and enabling a gear ring (511) to be sleeved on the rotating disc (51) to ensure that other assemblies are normal; Step two, starting a first air cylinder (84), retracting a telescopic end to drive a moving plate (81) to move, pushing a push rod (63) by a first rod body (82) to enable a sliding plug (62) to move in a sealing cylinder (61), pumping air in a mold cavity through a connecting pipe (65), and when a first magnetic block (821) is opposite to a second magnetic block (93), adsorbing the second magnetic block (93) by the first magnetic block (821) under the action of magnetic force to drive the first rod body (82) to be separated from the push rod (63), so that motion interference is prevented, and smooth pumping process is ensured; Step three, a first cylinder (84) continuously operates, a moving plate (81) drives a second rod body (83) to push a fixed rod (741) to enable a toothed plate (74) to move, teeth and a toothed ring (511) are meshed to drive the toothed ring (511) to rotate 180 degrees, an exhaust pipe (52) and a material guiding pipe (53) are transposed, at the moment, the first cylinder (84) is stopped, the material guiding pipe (53) is coaxial and is arranged right above a material feeding pipe (322), meanwhile, the material guiding pipe (53) is arranged right below a baffle plate (102), and a pipe orifice is attached to the baffle plate (102) to realize sealing before material feeding; Step four, a worker takes a proper amount of molten metal by using a container, moves the molten metal to one side of a material guiding pipe (53), controls a second cylinder (101), and retracts a telescopic end to drive a baffle plate (102) to move, so that the baffle plate (102) is separated from the material guiding pipe (53), conditions are created for pouring the molten metal into a die cavity subsequently, and final preparation before feeding is performed; Step five, after the baffle plate (102) is separated from the material guide pipe (53), a worker rapidly pours molten metal into the material guide pipe (53), and molten metal smoothly enters a die cavity between the bottom die (31) and the top die (32) through the feeding pipe (322) by means of gravity, so that a material foundation is provided for forming the high-pressure water pump alloy shell; And step six, stopping relevant operation of equipment after all molten metal enters the die cavity, naturally cooling and solidifying molten metal in the die cavity, and after a certain time, completely forming the molten metal to obtain the high-pressure water pump alloy shell, thereby completing the whole casting process flow.

Description

High-pressure water pump alloy shell molding casting equipment and process thereof Technical Field The invention relates to the technical field of water pump casting, in particular to high-pressure water pump alloy shell molding casting equipment and a process thereof. Background The high-pressure water pump alloy shell molding and casting equipment is special casting equipment for molding the high-pressure water pump alloy shell by injecting molten alloy into a metal mold under high pressure. In the prior art, a mold for casting a water pump shell does not have the function of active exhaust, which can lead to the phenomenon that molten metal is rolled into a casting part in the filling process because gas cannot be timely discharged, so that defects such as air holes, shrinkage porosity and the like are formed, the defects can reduce the compactness of the casting part, the water pump shell is easy to leak when running in a high-pressure environment, and meanwhile, a gas gathering area can weaken the mechanical property of a material, so that the local tensile strength is reduced, and the risk of cracking or breaking of the shell is increased. Therefore, it is necessary to design a high-pressure water pump alloy shell molding casting device and a process thereof to solve the above problems. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides high-pressure water pump alloy shell molding and casting equipment and a process thereof. In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a high-pressure water pump alloy casing shaping casting equipment, includes the bottom plate, the bottom plate top surface is fixed with the riser, the riser top is fixed with the connecting rod, the one end that the riser was kept away from to the connecting rod is fixed with the diaphragm, the bottom plate top surface still is fixed with the curb plate, the top of bottom plate is provided with die block and top mould, the top mould passes through the mounting panel to be fixed in the curb plate side, be provided with the filling tube on the top mould, the top of top mould is provided with rotating assembly, including the rolling disc in the rotating assembly, the rolling disc is rotated and is installed at the diaphragm top surface; the top of top mould is provided with the subassembly of bleeding for take out the gas in the die cavity, the side of riser is provided with drive assembly, drive assembly is used for driving the rolling disc rotation, be provided with pushing component, control assembly and shielding component on the curb plate. As a preferable technical scheme of the invention, the rotating assembly further comprises two openings, the two openings are all arranged on the rotating disc, an exhaust pipe is fixed in one opening, a material guiding pipe is fixed in the other opening, the bottom surface of the rotating disc is attached to the top surface of the charging pipe, and a gear ring is fixedly sleeved on the rotating disc. As a preferable technical scheme of the invention, the air extraction assembly comprises a sealing cylinder, a sliding plug is arranged in the sealing cylinder in a sliding way, a push rod is fixed on the side surface of the sliding plug, the push rod penetrates through the sealing cylinder and is in sliding connection with the sealing cylinder, the push rod is of an L-shaped structure, one end of the push rod, which is far away from the sliding plug, is provided with a groove, the sliding plug is connected with the sealing cylinder through a spring, and the sealing cylinder is communicated with an exhaust pipe through a connecting pipe. As a preferable technical scheme of the invention, the driving assembly comprises a fixing frame, the fixing frame is fixed on the side face of the vertical plate, two guide rods are fixed on the fixing frame, a sliding frame is sleeved on the two guide rods in a sliding mode, a toothed plate is fixed on the sliding frame, teeth matched with the gear ring are arranged on one side of the toothed plate, a fixing rod is fixed on the top face of the toothed plate, and the toothed plate is connected with the vertical plate through a tension spring. As a preferable technical scheme of the invention, the pushing assembly comprises a moving plate and a first air cylinder, the first air cylinder is arranged on a side plate, the moving plate is fixed at the telescopic end of the first air cylinder, a first rod body is arranged on the moving plate in a sliding manner, a first magnetic block is fixed at one end, far away from the push rod, of the first rod body, a second rod body is fixed on the side surface of the moving plate, the second rod body and the first rod body are arranged in an up-down opposite mode, and the second rod body is arranged opposite to the fixed rod. As a preferable technical scheme of the invention, the control assembly comprise