A casting device for processing large-diameter high-pressure and low-torque gate valves

Abstract

The present invention discloses a casting device for processing large-caliber high-pressure low-torque gate valves, including a device body, a controller, a second water pump and a track. A first motor is arranged on the left side of the device body, and the first motor is connected to the first rotating shaft on the front side through a bevel gear set, and the first rotating shafts are connected through gear meshing. A partition is arranged on the inner wall of the device body, and the partition is arranged above the first stirring rod. The second water pipe is connected to the upper mold, and the side walls of the upper mold and the lower mold are both provided with cooling channels. The side of the upper mold away from the second water pipe is connected to the first connecting pipe through the second connecting pipe, and the track is arranged on the outside of the device body. The casting device for processing large-caliber high-pressure low-torque gate valves is provided with a moving frame, and the moving frame moves back and forth on the track through the track wheel to adjust the position of the material box, and the molten metal water in the material box is poured into the corresponding mold through the pouring port, thereby reducing manual operations.

Description

Technical Field

[0001] The invention relates to the technical field of large-diameter gate valves, and in particular to a casting device for processing large-diameter, high-pressure and low-torque gate valves. Background Art

[0002] In the field of oil and gas, in the middle and late stages of wellhead exploitation, due to blockage of the production layer or reasons of the formation structure, the wellhead pressure drops and the production decreases, and it is necessary to perform fracturing operations on the wellhead. Fracturing is to artificially create cracks in the formation to improve the flow environment of oil and gas underground and increase oil and gas production. It plays an important role in improving the flow conditions at the bottom of the well, slowing down the interlayer and improving the utilization of the oil layer. Fracturing gate valves are the core components of fracturing operations. High-pressure and large-diameter fracturing valves are the trend. High pressure can fully open the formation during fracturing construction and improve fracturing efficiency; large diameter increases fracturing Displacement, shorten the fracturing cycle, reduce fracturing costs, fracturing gate valves require casting equipment during the production process. Common fracturing gate valve casting equipment usually stores molten metal water in an iron bucket during casting, and casting is carried out under the cooperation of related equipment and manual operation. There is a certain risk, and the temperature around the iron bucket is high, which has a certain impact on the operator. In addition, most of the existing fracturing gate valve casting equipment cools it by air cooling, and the effect is poor. Now there is a need for a casting equipment for processing large-diameter, high-pressure, and low-torque gate valves to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a casting device for processing large-diameter, high-pressure, low-torque gate valves, so as to solve the problem that the common fracturing gate valve casting equipment proposed in the above background technology usually stores the molten metal water in an iron bucket during casting, and casts it under the cooperation of relevant equipment and manual operation, which is dangerous and has a high temperature around the iron bucket, which has a certain impact on the operator.

[0004] To achieve the above object, the present invention provides the following technical solution: a casting device for processing a large-caliber, high-pressure, low-torque gate valve, comprising a device body, a controller, a second water pump and a track,

[0005] The device body is provided with a first motor on the left side of the device body, and the first motor is connected to the first rotating shaft on the front side through a bevel gear set, the first rotating shafts are connected through gear meshing, and the right end of the first rotating shaft passes through the left side of the device body and is connected to the first stirring rod, and the first stirring rod is rotatably connected to the inner wall of the device body, the inner wall of the device body is provided with a partition, and the partition is arranged above the first stirring rod, and a temperature sensor is arranged through the partition;

[0006] A controller, wherein the controller is arranged in the device body and the controller is arranged above the partition. Fans are arranged on the inner wall and the partition of the device body, and a serpentine tube is arranged in the device body, wherein the serpentine tube is arranged between the upper and lower fans, and one end of the serpentine tube passes through the partition, and at the same time, the end of the serpentine tube away from the partition is connected to the first connecting pipe, and the end of the first connecting pipe away from the serpentine tube passes through the top of the device body and is connected to the lower mold, and the lower mold is arranged on the upper end surface of the device body, and the side of the lower mold away from the first connecting pipe is connected to the first water pipe, and the first water pipe is connected to the first water pump, and at the same time, the first water pump is arranged on the right side of the device body;

[0007] A second water pump, the second water pump is arranged on the right side of the equipment body, and the second water pump is connected to the second water pipe, the second water pipe is connected to the upper mold, and the side walls of the upper mold and the lower mold are both provided with cooling channels, the side of the upper mold away from the second water pipe is connected to the first pipe through the second pipe, and the upper mold is arranged at the lower end of the mounting frame, the mounting frame is provided with a pouring port, and the upper end of the mounting frame is connected to the hydraulic telescopic rod through the mounting plate;

[0008] The track is arranged on the outside of the equipment body, and a moving frame is arranged on the track, and a material box is arranged on the moving frame.

[0009] Preferably, the first motor, the bevel gear set, the first rotating shaft, the gear and the first stirring rod constitute a rotating mechanism.

[0010] Preferably, the temperature sensor, the controller and the fan are electrically connected.

[0011] Preferably, two groups of fans are provided, and the two groups of fans are symmetrically arranged about the center line of the equipment body.

[0012] Preferably, the lower molds are provided in two groups, and the two groups of lower molds are symmetrically arranged about the center line of the equipment body, and each group of lower molds corresponds to a serpentine tube.

[0013] Preferably, two groups of pouring gates are provided, and each group of pouring gates corresponds to a group of upper molds, and the two groups of pouring gates are symmetrically arranged about the center line of the mounting frame.

[0014] Preferably, the hydraulic telescopic rod forms a telescopic mechanism through a mounting plate and a mounting frame, and the hydraulic telescopic rod is symmetrically arranged about a center line of the mounting frame.

[0015] Preferably, the mobile frame includes rail wheels, a second motor and a second rotating shaft, and the lower end of the mobile frame is provided with rail wheels, the second motor is provided inside the mobile frame, and the second motor is connected to the second rotating shaft, the upper end of the second rotating shaft is connected to the material box, and the material box and the upper end of the mobile frame are slidably connected through a slide groove.

[0016] Preferably, the material box includes a heating element, a third motor, a third rotating shaft and a second stirring rod, and the heating element is embedded in the inner wall of the material box, a third motor is provided at the upper end of the material box, and the third motor is connected to the third rotating shaft, the lower end of the third rotating shaft passes through the upper end of the material box and is connected to the second stirring rod, and the second stirring rod is rotatably connected to the top end inside the material box.

[0017] Compared with the prior art, the invention has the following beneficial effects: the casting equipment for processing large-caliber high-pressure low-torque gate valves,

[0018] (1) A first motor, a bevel gear set, a gear, a first rotating shaft and a first stirring rod are provided. The first motor drives the first stirring rod to stir the cooling water in the equipment body, which helps to cool the cooling water after heat exchange and improves the cooling effect on the casting product;

[0019] (2) A temperature sensor is provided. Under the action of the temperature sensor, when the temperature of the cooling water in the equipment body is higher than a certain value, the cooling water flowing in the serpentine tube after heat exchange can be cooled by a fan to improve the cooling effect of the cooling water;

[0020] (3) A mobile frame is provided, which moves back and forth on the track through track wheels to adjust the position of the material box, and pours the molten metal water in the material box into the corresponding mold through the pouring port, thereby reducing manual operations;

[0021] (4) A heating element is provided in the material box, and the molten metal water in the material box can be heated by the heating element to maintain the shape and fluidity of the molten metal water. The second stirring rod is driven by the third motor to stir the molten metal water to maintain internal uniformity. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the front cross-sectional structure of the device body of the present invention;

[0023] Figure 2 It is a schematic diagram of the front view structure of the device body of the present invention;

[0024] Figure 3 It is a schematic diagram of the structure between the second water delivery pipe and the upper mold of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure between the upper die, the lower die and the cooling channel of the present invention;

[0026] Figure 5 It is a schematic diagram of the top view of the structure of the device body of the present invention;

[0027] Figure 6 It is a schematic diagram of the structure between the mobile rack and the material box of the present invention;

[0028] Figure 7 It is a schematic diagram of the top view of the serpentine tube structure of the present invention;

[0029] Figure 8 It is a schematic diagram of the working process of the present invention.

[0030] In the figure: 1, equipment body, 2, first motor, 3, bevel gear set, 4, first rotating shaft, 5, gear, 6, first stirring rod, 7, partition, 8, temperature sensor, 9, controller, 10, fan, 11, serpentine pipe, 12, first connecting pipe, 13, lower mold, 14, first water pipe, 15, first water pump, 16, second water pump, 17, second water pipe, 18, upper mold, 19, cooling channel, 20, second connecting pipe, 21, mounting frame, 22, pouring port, 23, mounting plate, 24, hydraulic telescopic rod, 25, track, 26, mobile frame, 2601, track wheel, 2602, second motor, 2603, second rotating shaft, 27, material box, 2701, heating element, 2702, third motor, 2703, third rotating shaft, 2704, second stirring rod. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figure 1-8 The present invention provides a technical solution: a casting device for processing large-caliber high-pressure low-torque gate valves, such as Figure 1 , Figure 2 and Figure 8As shown, a first motor 2 is provided on the left side of the equipment body 1, and the first motor 2 is connected to the first rotating shaft 4 on the front side through a bevel gear set 3. The first motor 2, the bevel gear set 3, the first rotating shaft 4, the gear 5 and the first stirring rod 6 constitute a rotating mechanism. Under the action of the first motor 2, the first stirring rod 6 is driven to rotate to stir and cool the cooling water in the equipment body 1. The first rotating shafts 4 are meshed and connected through the gear 5, and the right end of the first rotating shaft 4 passes through the left side of the equipment body 1 and is connected to the first stirring rod 6. At the same time, the first stirring rod 6 is rotatably connected to the inner wall of the equipment body 1, and a partition 7 is provided on the inner wall of the equipment body 1, and the partition 7 is arranged on the upper side of the first stirring rod 6. At the same time, a temperature sensor 8 is arranged on the partition 7, and the temperature sensor 8, the controller 9 and the fan 10 are electrically connected. Under the action of the temperature sensor 8, the cooling water temperature in the equipment body 1 can be monitored to avoid the cooling effect of the casting being affected by excessively high cooling water temperature. The controller 9 is arranged in the equipment body 1, and the controller 9 is arranged above the partition 7. Fans 10 are arranged on the inner wall of the equipment body 1 and the partition 7, and a serpentine tube 11 is arranged in the equipment body 1. Two groups of fans 10 are arranged, and the two groups of fans 10 are symmetrically arranged about the center line of the equipment body 1. Under the action of the fan 10, the cooling water after heat exchange in the serpentine tube 11 can be cooled down.

[0033] like Figure 1 and Figure 7 As shown, the serpentine tube 11 is arranged between the upper and lower fans 10, and one end of the serpentine tube 11 passes through the partition 7, and at the same time, the end of the serpentine tube 11 away from the partition 7 is connected to the first connecting pipe 12, and the end of the first connecting pipe 12 away from the serpentine tube 11 passes through the top of the equipment body 1 and is connected to the lower mold 13, and the lower mold 13 is arranged on the upper end surface of the equipment body 1, and two groups of lower molds 13 are arranged symmetrically about the center line of the equipment body 1, and at the same time, each group of lower molds 13 corresponds to a serpentine tube 11, and the cooling water of each group of lower molds 13 is input into the serpentine tube 11 through the first connecting pipe 12 for cooling, and the side of the lower mold 13 away from the first connecting pipe 12 is connected to the first water pipe 14, and the first water pipe 14 is connected to the first water pump 15, and the first water pump 15 is arranged on the right side of the equipment body 1.

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the second water pump 16 is arranged on the right side of the equipment body 1, and the second water pump 16 is connected to the second water pipe 17, the second water pipe 17 is connected to the upper mold 18, and the side walls of the upper mold 18 and the lower mold 13 are both provided with cooling channels 19, the side of the upper mold 18 away from the second water pipe 17 is connected to the first pipe 12 through the second pipe 20, and the upper mold 18 is arranged at the lower end of the mounting frame 21, the mounting frame 21 is provided with a pouring port 22, and the upper end of the mounting frame 21 is connected to the hydraulic telescopic rod 24 through the mounting plate 23, and the pouring port 2 Two groups of pouring ports 22 are provided, and each group of pouring ports 22 corresponds to one group of upper mold 18. At the same time, the two groups of pouring ports 22 are symmetrically arranged about the center line of the mounting frame 21. The pouring ports 22 are connected to the upper mold 18. The molten metal water is poured into the mold through the pouring ports 22. The hydraulic telescopic rod 24 forms a telescopic mechanism through the mounting plate 23 and the mounting frame 21. The hydraulic telescopic rod 24 is symmetrically arranged about the center line of the mounting frame 21. Under the action of the hydraulic telescopic rod 24, the mounting frame 21 is driven to move, which is helpful for the upper mold 18 and the lower mold 13 to close and separate the molds.

[0035] like Figure 5 and Figure 6 As shown, the track 25 is arranged on the outside of the equipment body 1, and a moving frame 26 is arranged on the track 25, and a material box 27 is arranged on the moving frame 26. The moving frame 26 includes a track wheel 2601, a second motor 2602 and a second rotating shaft 2603, and the track wheel 2601 is arranged at the lower end of the moving frame 26, and the second motor 2602 is arranged in the moving frame 26, and the second motor 2602 is connected to the second rotating shaft 2603, and the upper end of the second rotating shaft 2603 is connected to the material box 27, and the material box 27 and the upper end of the moving frame 26 are slidably connected through a slide groove. The moving frame 26 moves on the track 25 under the action of the track wheel 2601, which is convenient for the material box 27 to move to the next station and reduce manual operation. The material box 27 includes a A heating element 2701, a third motor 2702, a third rotating shaft 2703 and a second stirring rod 2704 are provided, and a heating element 2701 is embedded in the inner wall of the material box 27, a third motor 2702 is provided at the upper end of the material box 27, and the third motor 2702 is connected to the third rotating shaft 2703, the lower end of the third rotating shaft 2703 passes through the upper end of the material box 27 and is connected to the second stirring rod 2704, and the second stirring rod 2704 is rotatably connected to the top end of the material box 27, and the molten metal water in the material box 27 can be heated under the action of the heating element 2701 to maintain the fluidity of the molten metal water, and at the same time, the second stirring rod 2704 is driven to stir it under the action of the third motor 2702 to ensure the uniformity of the molten metal water.

[0036] Working principle: When the casting equipment for processing large-caliber high-pressure low-torque gate valves is used, the power is turned on, the material box 27 is filled with molten metal water, which is heated by the heating element 2701 to maintain the shape and fluidity of the molten metal water. The third motor 2702 drives the third shaft 2703 to rotate, and the third shaft 2703 drives the second stirring rod 2704 to rotate to stir the molten metal water to avoid precipitation of the molten metal water and maintain its uniformity. The mounting frame 21 is pushed by the hydraulic telescopic rod 24 to close the upper mold 18 and the lower mold 13. Under the action of the track wheel 2601, the moving frame 26 moves the material box 27 to the casting station. The discharge pipe of the material box 27 corresponds to the corresponding pouring port 22, and the molten metal water is poured into the mold. When the pouring of one mold is completed, the material box 27 can be moved to the next casting station under the action of the track wheel 2601. When the casting in the mold on one side is completed, the second rotating shaft 2603 is driven to rotate under the action of the second motor 2602, and the second rotating shaft 2603 drives the material box 27 to rotate, and the mold on the other side can be cast. After the casting in the mold is formed, the first water pump 15 is used to pump the material box 27 to the casting station. The cooling water in the equipment body 1 is input into the cooling channel 19 in the lower mold 13 through the first water pipe 14 to cool the casting, and flows into the serpentine pipe 11 through the first pipe 12, and then flows into the bottom of the equipment body 1 through the serpentine pipe 11 for concentration. The second water pump 16 inputs the cooling water into the cooling channel 19 in the upper mold 18 through the second water pipe 17 for cooling, and flows into the first pipe 12 through the second pipe 20, and then flows into the serpentine pipe 11. The first motor 2 drives the first rotating shaft 4 on the front side to rotate through the bevel gear set 3, and the first rotating shaft 4 on the front side drives the rear side through the gear 5. The first rotating shaft 4 on the side rotates, and the first rotating shaft 4 drives the first stirring rod 6 to rotate, stirring the cooling water in the equipment body 1, which helps to dissipate the heat in the cooling water. Under the action of the temperature sensor 8, the model of the temperature sensor 8 is JWB-CW2000. When the cooling water temperature in the equipment body 1 is higher than the set value, the controller 9 controls the fan 10, and the fan 10 is used to cool the cooling water after heat exchange in the serpentine tube 11, thereby improving the cooling effect and helping to cool the casting later. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A casting device for processing a large-caliber, high-pressure, low-torque gate valve, comprising a device body (1), a controller (9), a second water pump (16) and a track (25), characterized in that: A device body (1), wherein a first motor (2) is arranged on the left side of the device body (1), and the first motor (2) is connected to a first rotating shaft (4) on the front side via a bevel gear set (3), the first rotating shafts (4) are meshedly connected via gears (5), and the right end of the first rotating shaft (4) passes through the left side of the device body (1) and is connected to a first stirring rod (6), and the first stirring rod (6) is rotatably connected to the inner wall of the device body (1), and a partition (7) is arranged on the inner wall of the device body (1), and the partition (7) is arranged above the first stirring rod (6), and a temperature sensor (8) is arranged on the partition (7); A controller (9) is arranged in the device body (1), and the controller (9) is arranged above the partition (7). Fans (10) are arranged on the inner wall of the device body (1) and the partition (7). A serpentine tube (11) is arranged in the device body (1), and the serpentine tube (11) is arranged between the upper and lower fans (10). One end of the serpentine tube (11) passes through the partition (7), and the end of the serpentine tube (11) away from the partition (7) is connected to the first The first connecting pipe (12) is connected to a connecting pipe (12), one end of the first connecting pipe (12) away from the serpentine pipe (11) passes through the top of the equipment body (1) and is connected to a lower mold (13), and the lower mold (13) is arranged on the upper end surface of the equipment body (1), and the side of the lower mold (13) away from the first connecting pipe (12) is connected to a first water pipe (14), and the first water pipe (14) is connected to a first water pump (15), and the first water pump (15) is arranged on the right side of the equipment body (1); a second water pump (16), the second water pump (16) being arranged on the right side of the equipment body (1), and the second water pump (16) being connected to a second water pipe (17), the second water pipe (17) being connected to an upper mold (18), and side walls of the upper mold (18) and the lower mold (13) being provided with cooling channels (19), a side of the upper mold (18) away from the second water pipe (17) being connected to the first pipe (12) via a second pipe (20), and the upper mold (18) being arranged at the lower end of a mounting frame (21), a pouring port (22) being provided on the mounting frame (21), and an upper end of the mounting frame (21) being connected to a hydraulic telescopic rod (24) via a mounting plate (23); A track (25) is arranged on the outside of the equipment body (1), and a moving frame (26) is arranged on the track (25), and a material box (27) is arranged on the moving frame (26).

2. A casting device for processing large-caliber, high-pressure, low-torque gate valves according to claim 1, characterized in that: The first motor (2), the bevel gear set (3), the first rotating shaft (4), the gear (5) and the first stirring rod (6) form a rotating mechanism.

3. The casting equipment for processing large-caliber, high-pressure, low-torque gate valves according to claim 1 is characterized in that: The temperature sensor (8), the controller (9) and the fan (10) are electrically connected.

4. The casting equipment for processing large-caliber high-pressure low-torque gate valves according to claim 1 is characterized in that: The fans (10) are provided in two groups, and the two groups of fans (10) are symmetrically arranged about the center line of the device body (1).

5. The casting equipment for processing large-caliber, high-pressure, low-torque gate valves according to claim 1 is characterized in that: The lower molds (13) are provided in two groups, and the two groups of lower molds (13) are symmetrically arranged about the center line of the equipment body (1), and each group of lower molds (13) corresponds to a serpentine tube (11).

6. The casting equipment for processing large-caliber high-pressure low-torque gate valves according to claim 1 is characterized in that: The pouring ports (22) are provided in two groups, and each group of pouring ports (22) corresponds to a group of upper molds (18), and the two groups of pouring ports (22) are symmetrically arranged about the center line of the mounting frame (21).

7. The casting equipment for processing large-caliber, high-pressure, low-torque gate valves according to claim 1 is characterized by: The hydraulic telescopic rod (24) forms a telescopic mechanism through the mounting plate (23) and the mounting frame (21), and the hydraulic telescopic rod (24) is symmetrically arranged about the center line of the mounting frame (21).

8. The casting equipment for processing large-caliber high-pressure low-torque gate valves according to claim 1 is characterized in that: The movable frame (26) comprises a track wheel (2601), a second motor (2602) and a second rotating shaft (2603), and the track wheel (2601) is arranged at the lower end of the movable frame (26), the second motor (2602) is arranged inside the movable frame (26), and the second motor (2602) is connected to the second rotating shaft (2603), the upper end of the second rotating shaft (2603) is connected to the material box (27), and the material box (27) and the upper end of the movable frame (26) are slidably connected via a slide groove.

9. The casting equipment for processing large-caliber high-pressure low-torque gate valves according to claim 1, characterized in that: The material box (27) includes a heating element (2701), a third motor (2702), a third rotating shaft (2703) and a second stirring rod (2704), and the heating element (2701) is embedded in the inner wall of the material box (27), the third motor (2702) is arranged at the upper end of the material box (27), and the third motor (2702) is connected to the third rotating shaft (2703), the lower end of the third rotating shaft (2703) passes through the upper end of the material box (27) and is connected to the second stirring rod (2704), and the second stirring rod (2704) is rotatably connected to the top end of the material box (27).

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