Vacuum pump housing casting device

Abstract

This utility model relates to the field of vacuum equipment auxiliary technology, specifically to a vacuum pump housing casting device. A second support is positioned below a first support. Multiple upper motors are mounted on the upper end of the first support, and multiple lower motors are mounted on the lower end of the second support. Multiple upper intelligent wrenches and hydraulic rods are mounted on the lower end of the first support, with the hydraulic rods connected to an upper mold. The upper mold has vent holes. Multiple lower intelligent wrenches are mounted on the second support, as is a lower mold. The lower mold has a feed inlet and a push rod hole, and both ends of the lower mold have grooves. Two pneumatic cylinders and a hot material tank are mounted on the lower end of the second support. The pneumatic cylinders are connected to push rods, and the hot material tank is connected to a conveying pipe. A third support is mounted on one side of the second support, and a drive motor is mounted on the third support. This utility model reduces turbulence and improves the surface quality of the casting through stepped pouring; magnetic positioning ensures mold closing accuracy and avoids wall thickness deviations.

Description

Technical Field

[0001] This utility model relates to the field of metal casting technology, specifically to a vacuum pump housing casting device. Background Technology

[0002] Vacuum pump housings have complex structures, and traditional casting processes suffer from the following problems: insufficient fluidity of the molten metal during pouring, easily leading to porosity or cold shut defects; low sand mold positioning accuracy, resulting in uneven housing wall thickness; and low cooling efficiency, affecting production cycles. They also suffer from high costs and poor adaptability. Utility Model Content

[0003] To achieve the above objectives, this utility model provides the following technical solution: A vacuum pump housing casting device includes a first support, a second support, and a third support. The second support is located below the first support. Multiple upper motors are mounted on the upper end of the first support, and multiple lower motors are mounted on the lower end of the second support. Multiple upper intelligent wrenches and hydraulic rods are mounted on the lower end of the first support, with the hydraulic rods connected to an upper mold. The upper mold has vent holes. Multiple lower intelligent wrenches are mounted on the second support, and a lower mold is mounted on the second support. The lower mold has a feed inlet and a push rod hole, and both ends of the lower mold have lower mold grooves. Two pneumatic cylinders and a hot material tank are mounted on the lower end of the second support. The pneumatic cylinders are connected to push rods, and the hot material tank is connected to a conveying pipe. A third support is mounted on one side of the second support, and a drive motor is mounted on the third support. The drive motor is connected to a fixed frame, and a rotating shaft is mounted on the fixed frame, connected to a rotating boss.

[0004] Preferably, the upper intelligent wrench is internally connected to the upper motor, the lower intelligent wrench is internally connected to the lower motor, and both the upper and lower intelligent wrenches are equipped with controllers.

[0005] Preferably, the lower mold has threaded holes on both sides, the second bracket has a groove in the middle, the lower mold is connected to the groove, and the lower mold and the second bracket are connected by bolts.

[0006] Preferably, the material conveying pipe is connected to the feed port of the lower mold, the push rod is connected to the push rod hole of the lower mold, the pneumatic cylinder is connected to a motor on one side, and the hot material barrel is connected to a molten iron conveying device on the other side.

[0007] Preferably, a drive shaft is installed inside the fixed frame, and the output end of the drive motor is connected to the inside of the fixed frame. The fixed frame is fixedly connected to the third frame.

[0008] Compared with the prior art, the present invention has the following beneficial effects: 1. The mold uses a stepped pouring method to reduce molten iron turbulence and improve the surface quality of the casting; 2. Magnetic positioning ensures mold closing accuracy and avoids wall thickness deviation; 3. Active cooling design shortens demolding time; 4. Two-way exhaust greatly reduces porosity. Attached Figure Description

[0009] Figure 1 This is a perspective view of the present utility model; Figure 2 This is the front view of the present invention; Figure 3 This is the right view of the present invention.

[0010] Figure reference numerals: 1. First support; 2. Upper motor; 3. Lower smart wrench; 4. Second support; 5. Lower mold; 6. Upper smart wrench; 7. Upper mold; 8. Third support; 9. Fixing frame; 10. Drive motor; 11. Rotating shaft; 12. Hydraulic rod; 13. Lower mold groove; 14. Push rod; 15. Pneumatic cylinder; 16. Hot material barrel; 17. Lower motor; 18. Material conveying pipe; 19. Rotating boss. Detailed Implementation

[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0012] like Figure 1-3 As shown, a vacuum pump housing casting device includes a first support 1, a second support 4, and a third support 8. The second support 4 is located below the first support 1. The device is characterized by: multiple upper motors 2 at the upper end of the first support 1; multiple lower motors 17 at the lower end of the second support 4; multiple upper intelligent wrenches 6 and hydraulic rods 12 at the lower end of the first support 1, with the hydraulic rods 12 connected to an upper mold 7; the upper mold 7 has an exhaust port; multiple lower intelligent wrenches 3 are provided on the second support 4; a lower mold 5 is provided on the second support 4, with a feed inlet and a push rod hole; lower mold grooves 13 are provided at both ends of the lower mold 5; two pneumatic cylinders 15 and a hot material tank 16 are provided at the lower end of the second support 4; the pneumatic cylinders 15 are connected to a push rod 14; the hot material tank 16 is connected to a conveying pipe 18; a third support 8 is provided on one side of the second support 4; a drive motor 10 is provided on the third support 8; the drive motor 10 is connected to a fixed frame 9; a rotating shaft 11 is provided on the fixed frame 9; and the rotating shaft 11 is connected to a rotating boss 19.

[0013] The upper intelligent wrench 6 is internally connected to the upper motor 2, and the lower intelligent wrench 3 is internally connected to the lower motor 17. Both the upper intelligent wrench 6 and the lower intelligent wrench 3 are equipped with controllers. The lower mold 5 has threaded holes on both sides, and the second bracket 4 has a groove in the middle. The lower mold 5 is connected to the groove, and the lower mold and the second bracket 4 are connected by bolts. The feeding pipe 18 is connected to the feeding port of the lower mold 5, the push rod 14 is connected to the push rod hole of the lower mold 5, the pneumatic cylinder 15 is connected to the motor on one side, and the hot material barrel 16 is connected to the molten iron conveying device on one side.

[0014] A drive shaft is installed inside the fixed frame 9, and the output end of the drive motor 10 is connected to the inside of the fixed frame 9. The fixed frame 9 is fixedly connected to the third bracket 8.

[0015] The second support 4 uses a magnetic positioning device at its center. During operation, the lower mold 5 is placed on the second support through magnetic positioning. The lower intelligent wrench 3 is automatically rotated above the bolt position by the internal controller, which can automatically tighten the bolt for fixation. The upper mold 7 is bolted to the hydraulic rod 12 by the upper intelligent wrench 6. The hydraulic rod 12 presses down to merge the upper mold 7 and the lower mold 5. Molten iron in the hot material barrel 16 is injected into the mold through the material conveying pipe 18. The material conveying pipe 18 is made of high-temperature resistant graphite material. After cooling and mold opening, the product is pushed upward by the pneumatic cylinder 15 and the push rod 14. Alternatively, the lower mold 5 can be flipped out by the rotating shaft 11 and the rotating boss 19. Specifically, after the lower mold 5 cools down, it is removed. The lower mold groove 13 is connected and fixed with the two rotating bosses 19. The two rotating bosses 19 clamp the lower mold 5, and then the lower mold 5 is flipped out by the rotating shaft 11.

[0016] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0017] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0018] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum pump housing casting device, comprising a first support (1), a second support (4) and a third support (8), wherein the second support (4) is disposed below the first support (1), characterized in that: The first support (1) is equipped with multiple upper motors (2) at its upper end, and the second support (4) is equipped with multiple lower motors (17) at its lower end. The first support (1) is equipped with multiple upper intelligent wrenches (6) and hydraulic rods (12) at its lower end. The hydraulic rods (12) are connected to the upper mold (7). The upper mold (7) is equipped with vent holes. The second support (4) is equipped with multiple lower intelligent wrenches (3). The second support (4) is equipped with a lower mold (5). The lower mold (5) is equipped with a feed inlet and a push rod hole. Both ends of the lower mold (5) are equipped with... There is a lower mold groove (13). Two pneumatic cylinders (15) and a hot material barrel (16) are provided at the lower end of the second bracket (4). The pneumatic cylinders (15) are connected to the push rod (14), and the hot material barrel (16) is connected to the conveying pipe (18). A third bracket (8) is provided on one side of the second bracket (4). A drive motor (10) is provided on the third bracket (8). The drive motor (10) is connected to the fixed frame (9). A rotating shaft (11) is provided on the fixed frame (9). The rotating shaft (11) is connected to the rotating boss (19).

2. The vacuum pump housing casting device according to claim 1, characterized in that: The upper intelligent wrench (6) is internally connected to the upper motor (2), and the lower intelligent wrench (3) is internally connected to the lower motor (17). Both the upper intelligent wrench (6) and the lower intelligent wrench (3) are equipped with controllers.

3. The vacuum pump housing casting device according to claim 1, characterized in that: The lower mold (5) has threaded holes on both sides, and the second bracket (4) has a groove in the middle. The lower mold (5) is connected to the groove, and the lower mold and the second bracket (4) are connected by bolts.

4. The vacuum pump housing casting device according to claim 1, characterized in that: The material conveying pipe (18) is connected to the feed port of the lower mold (5), the push rod (14) is connected to the push rod hole of the lower mold (5), the pneumatic cylinder (15) is connected to the motor on one side, and the hot material barrel (16) is connected to the molten iron conveying device on one side.

5. A vacuum pump housing casting device according to claim 1, characterized in that: The fixed frame (9) is equipped with a transmission shaft inside, and the output end of the drive motor (10) is connected to the inside of the fixed frame (9). The fixed frame (9) is fixedly connected to the third bracket (8).

Images