Precision casting of gate valve body

Abstract

The utility model discloses a gate valve body precision casting which is characterized in that the upper surface of a bottom plate is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a telescopic rod, the end, away from the hydraulic cylinder, of the telescopic rod is fixedly connected with a circular plate, and the upper surface of the circular plate is fixedly connected with a lower die rod; one end of the lower die rod away from the circular plate is fixedly connected with a lower module; the side surface of the mold is fixedly connected with a hinge, the other end of the hinge is fixedly connected with a cover body, the outer surface of the mold is fixedly connected with a mounting seat, the outer surface of the mounting seat is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating rod, and the rotating rod is fixedly connected with the hinge. According to the device, workers are prevented from being hurt in the working process, the production safety is improved, factors such as rest of the workers do not need to be considered, the production efficiency is remarkably improved, meanwhile, pause and delay in the manual operation process are avoided, and the production speed is further increased.

Description

Technical Field

[0001] This utility model relates to the field of valve body casting technology, and in particular to a precision casting of a gate valve body. Background Technology

[0002] Gate valves, as key control components in pipeline systems, play a vital role in various industrial production processes. The performance of the gate valve body directly affects the stable operation and safety of the entire pipeline system. These valve bodies are widely used in numerous industrial fields such as water conservancy projects, power systems, petrochemicals, and metallurgy. Gate valve bodies are typically manufactured using precision casting processes, resulting in complex structures and high requirements for dimensional accuracy and surface quality. The valve body contains a complex flow channel structure, necessitating professional casting design and mature process technology to ensure product quality. However, existing casting equipment using manual demolding methods can easily cause damage to workers or workpieces. For example, China has disclosed a "Precision Gate Valve Body Casting" with application number "CN202122560244.3," which integrates the valve body and connecting pipe into a single casting, improving the valve body's sealing performance and preventing leakage. However, it cannot automatically demold, precisely control the demolding force, ensure a smooth and damage-free removal of the workpiece from the mold, shorten demolding time, reduce production cycles, reduce manual intervention to prevent injury to workers during operation, or improve production safety and speed. Utility Model Content

[0003] The purpose of this invention is to solve at least one of the technical problems existing in the prior art, and to provide a precision casting of a gate valve body. Through the cooperation of a hydraulic cylinder, a telescopic rod, a circular plate, a lower mold rod, and a lower module, automatic demolding is possible. The demolding force can be precisely controlled to ensure that the workpiece is smoothly and without damage from the mold. This significantly shortens the demolding time, improves efficiency, shortens the production cycle, and prevents damage to the workpiece during the demolding process. This device reduces manual intervention, prevents injury to workers during operation, improves production safety, eliminates the need to consider factors such as personnel rest, significantly improves production efficiency, and avoids pauses and delays during manual operation, further increasing production speed.

[0004] This utility model also provides a precision casting of a gate valve body, comprising: a base plate, a hydraulic cylinder fixedly connected to the upper surface of the base plate, a telescopic rod fixedly connected to the output end of the hydraulic cylinder, a circular plate fixedly connected to the end of the telescopic rod away from the hydraulic cylinder, a lower mold rod fixedly connected to the upper surface of the circular plate, and a lower mold module fixedly connected to the end of the lower mold rod away from the circular plate; a mold, a hinge fixedly connected to the side surface of the mold, a cover fixedly connected to the other end of the hinge, a mounting base fixedly connected to the outer surface of the mold, a motor fixedly connected to the outer surface of the mounting base, and a rotating... The rotating rod, fixedly connected to the hinge, can automatically demold through the cooperation of a hydraulic cylinder, telescopic rod, circular plate, lower mold rod, and lower module. It allows for precise control of the demolding force, ensuring a smooth and damage-free removal of the workpiece from the mold. This significantly shortens demolding time, improves efficiency, reduces production cycles, and prevents damage to the workpiece during demolding. The device reduces manual intervention, prevents injury to workers during operation, improves production safety, eliminates the need for personnel rest, significantly increases production efficiency, and avoids pauses and delays during manual operation, further enhancing production speed.

[0005] According to the present invention, a precision casting of a gate valve body is provided, wherein the cover is movably connected to the mold, and the cover is provided with a casting port to facilitate casting materials.

[0006] According to the present invention, a precision casting of a gate valve body is provided with a demolding hole on the inner bottom surface of the mold. The demolding hole is movably connected to the lower module, which allows for convenient, quick, and stable demolding.

[0007] According to the present invention, a precision casting of a gate valve body is provided, wherein a first sealing ring is fixedly connected to the outer surface of the lower module, and a second sealing ring is provided on the lower surface of the cover, which can prevent material leakage.

[0008] According to the present invention, the first sealing ring and the second sealing ring are made of polytetrafluoroethylene, which has the effect of high temperature resistance and friction resistance, and can extend the service life.

[0009] According to the present invention, a precision casting of a gate valve body is provided, wherein the lower mold rod is movably connected to the mold, and the circular plate is movably connected to the mold, which can ensure the stability and rationality of the movement between the equipment.

[0010] According to the present invention, a precision casting of a gate valve body is provided on the base plate, and a fixing bolt is provided in the mounting hole to stably install the entire device and prevent shaking during operation.

[0011] According to the present invention, a precision casting of a gate valve body is provided, wherein a support leg is fixedly connected to the upper surface of the base plate, and the upper surface of the support leg is fixedly connected to the mold, which can stably support the device and ensure the stability of the device during operation.

[0012] Beneficial effects

[0013] 1. Compared with the existing technology, this new type of precision casting for gate valve body can automatically demold through the cooperation of hydraulic cylinder, telescopic rod, circular plate, lower mold rod and lower module. It can accurately control the demolding force, ensure that the workpiece is smoothly and without damage from the mold, significantly shorten the demolding time, improve efficiency, shorten the production cycle, and prevent damage to the workpiece during the demolding process.

[0014] 2. Compared with existing technologies, this new type of precision casting for gate valve body reduces manual intervention, prevents injury to workers during operation, improves production safety, and significantly improves production efficiency by taking into account factors such as personnel rest. It also avoids interruptions and delays during manual operation, further increasing production speed. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional structural diagram of the precision casting of the gate valve body of this utility model;

[0017] Figure 2 This is a diagram showing the internal structure of the mold for the precision casting of the gate valve body of this utility model.

[0018] Figure 3 This is a side view of the precision casting of the gate valve body of this utility model;

[0019] Figure 4 This is a schematic diagram of the hydraulic cylinder connection structure of the precision casting of the gate valve body of this utility model.

[0020] Legend:

[0021] 1. Base plate; 2. Support leg; 3. Mold; 4. Mounting base; 5. Motor; 6. Rotating rod; 7. Hinge; 8. Cover; 9. Hydraulic cylinder; 10. Telescopic rod; 11. Circular plate; 12. Lower mold rod; 13. Lower module. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-4 This utility model discloses a precision casting of a gate valve body, comprising: a base plate 1 for fixing and supporting the entire device; a hydraulic cylinder 9 fixedly connected to the upper surface of the base plate 1 for providing power to a telescopic rod 10; the output end of the hydraulic cylinder 9 fixedly connected to the telescopic rod 10 for pushing out a circular plate 11; a circular plate 11 fixedly connected to the end of the telescopic rod 10 away from the hydraulic cylinder 9 for fixing a lower mold rod 12 and driving the lower mold rod 12 to move; a lower mold rod 12 fixedly connected to the upper surface of the circular plate 11 for fixing and supporting a lower module 13; and a lower mold rod 12 fixedly connected to the end of the lower mold rod 12 away from the circular plate 11. Block 13 is used for demolding; mold 3 is used for casting workpieces and supporting other structures. A hinge 7 is fixedly connected to the side surface of mold 3 for connecting mold 3 and cover 8 and rotating cover 8. The other end of hinge 7 is fixedly connected to cover 8. A mounting base 4 is fixedly connected to the outer surface of mold 3 for mounting and fixing motor 5. A motor 5 is fixedly connected to the outer surface of mounting base 4 for rotating rotating rod 5. A rotating rod 6 is fixedly connected to the output end of motor 5 for rotating hinge 7. The rotating rod 6 is fixedly connected to hinge 7 so that rotating rod 6 drives hinge 7 to rotate, thereby rotating cover 8.

[0024] The cover 8 is movably connected to the mold 3. The cover 8 is provided with a casting port for casting materials. The inner bottom surface of the mold 3 is provided with a demolding hole, which is movably connected to the lower module 13 for placing the demolding module 13. The outer surface of the lower module 13 is fixedly connected with a first sealing ring. The lower surface of the cover 8 is provided with a second sealing ring for sealing. The first and second sealing rings are made of polytetrafluoroethylene to improve the material's high temperature resistance and abrasion resistance. The lower mold rod 12 is movably connected to the mold 3 for the lower mold rod 12 to move. The circular plate 11 is movably connected to the mold 3 for the circular plate 11 to move. When the circular plate 11 contacts the mold 3, the lower module 13 extends beyond the mold 3. The base plate 1 is provided with mounting holes, and fixing bolts are provided in the mounting holes for installing and fixing the entire device. The upper surface of the base plate 1 is fixedly connected with a support leg 2, and the upper surface of the support leg 2 is fixedly connected to the mold 3 for fixing and supporting the mold.

[0025] Working principle: During use, material is poured into the mold 3 through the casting hole on the cover 8. After the casting in the mold 3 cools and solidifies, the motor 5 rotates the rotating rod 6, and the rotating rod 6 rotates the hinge 7 to open the cover 8. Then the hydraulic cylinder 9 pushes out the telescopic rod 10, which extends out of the circular plate 11. The circular plate 11 pushes out the lower mold rod 12 and the lower module 13. The material in the mold 3 is then ejected through the lower module 13 and the lower mold rod 12.

[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A precision casting for a gate valve body, characterized in that, include: A base plate (1) is provided, and a hydraulic cylinder (9) is fixedly connected to the upper surface of the base plate (1). A telescopic rod (10) is fixedly connected to the output end of the hydraulic cylinder (9). A circular plate (11) is fixedly connected to the end of the telescopic rod (10) away from the hydraulic cylinder (9). A lower mold rod (12) is fixedly connected to the upper surface of the circular plate (11). A lower module (13) is fixedly connected to the end of the lower mold rod (12) away from the circular plate (11). A mold (3) is provided, with a hinge (7) fixedly connected to the side surface of the mold (3), and a cover (8) fixedly connected to the other end of the hinge (7). A mounting base (4) is fixedly connected to the outer surface of the mold (3), and a motor (5) is fixedly connected to the outer surface of the mounting base (4). A rotating rod (6) is fixedly connected to the output end of the motor (5), and the rotating rod (6) is fixedly connected to the hinge (7).

2. The precision casting of a gate valve body according to claim 1, characterized in that, The cover (8) is movably connected to the mold (3), and the cover (8) is provided with a casting port.

3. A precision casting for a gate valve body according to claim 1, characterized in that, The inner bottom surface of the mold (3) is provided with a demolding hole, which is movably connected to the lower module (13).

4. A precision casting for a gate valve body according to claim 1, characterized in that, The outer surface of the lower module (13) is fixedly connected with a first sealing ring, and the lower surface of the cover (8) is provided with a second sealing ring.

5. A precision casting for a gate valve body according to claim 4, characterized in that, The first and second sealing rings are made of polytetrafluoroethylene.

6. A precision casting for a gate valve body according to claim 1, characterized in that, The lower mold rod (12) is movably connected to the mold (3), and the circular plate (11) is movably connected to the mold (3).

7. A precision casting for a gate valve body according to claim 1, characterized in that, The base plate (1) is provided with mounting holes, and fixing bolts are provided in the mounting holes.

8. A precision casting for a gate valve body according to claim 1, characterized in that, The upper surface of the base plate (1) is fixedly connected to a support leg (2), and the upper surface of the support leg (2) is fixedly connected to the mold (3).

Images