A cooling device for hydraulic piston castings

By designing cooling and cooling equipment for hydraulic piston castings, the motor-driven rotary shaft and bevel gear system can be used to achieve rapid mold release, and the castings can be quickly cooled through the circulating water system, the problems of difficult castings and low cooling efficiency in the prior art are solved, and the processing efficiency is improved.

CN222725448UActive Publication Date: 2025-04-08NINGGUO LONGFEI WEAR RESISTEANT MATERIALS
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Patent Information

Application Number
CN202421327021.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-08
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

In the production process of hydraulic piston castings, the fitting of the castings with the inner wall of the mold holes leads to difficulty in demolding, high manual labor intensity and low demolding efficiency.

Method used

Design a cooling and cooling equipment for hydraulic piston castings, and drive the shaft and bevel gear system through the motor to achieve the pin bar with the connecting plate to push the casting upward, quickly release the mold, and quickly cool the castings through the circulating water system of the serpentine tube and condenser.

Benefits of technology

The rapid demolding and cooling of hydraulic piston castings is achieved, processing efficiency is improved, and labor intensity is reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of casting processing, and discloses a cooling and temperature reduction device for hydraulic piston castings, including a base, a fixed mold and a movable mold, the lower surface of the fixed mold is fixedly connected to the upper surface of the base, the surface of the fixed mold is provided with a processing hole, the inner lower surface of the base is fixedly connected to a motor, and the output end of the motor is fixedly connected to a rotating shaft. The utility model starts the motor to drive the rotating shaft to rotate, the rotating shaft drives the active bevel gear to rotate, and then the active bevel gear drives the driven bevel gear to rotate, and the driven bevel gear drives the rotating rod to rotate, so that the rotating shaft and the rotating rod can drive the connecting plate to rotate, and under the coordinated use of the fixed rod, the connecting frame can be rotated upward, and then the connecting arm can be driven to move upward, and under the coordinated use of the connecting rod, the fixed block can move upward with the top plate, so that the top rod can push the casting upward with the connecting plate, thereby realizing that the casting can be demoulded quickly.
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Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, and more specifically, to a cooling and temperature reduction device for a hydraulic piston casting. Background Art

[0002] Casting is done in a pressure die-casting machine, so metal die-castings can be made into various complex shapes, with higher precision and finish, which greatly reduces the amount of machining of castings and the casting allowance of metals or metal alloys, saving not only electricity and metal materials, but also greatly saving labor costs. In the production process of hydraulic piston castings, molds need to be used for die pressing. When demolding after processing, the casting fits the inner wall of the die hole, which will cause it to be embedded in the inner wall of the die hole. It is necessary to manually pull out the molded product, which leads to high labor intensity and reduces demolding efficiency. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a cooling and temperature reduction device for a hydraulic piston casting, which has the advantages of enabling a push rod to carry a connecting plate to push the casting upward, thereby achieving the advantages of being able to quickly demold the casting and quickly cool the casting, thereby improving its processing efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling and temperature reduction device for hydraulic piston castings, comprising a base, a fixed mold and a movable mold, the lower surface of the fixed mold is fixedly connected to the upper surface of the base, the surface of the fixed mold is provided with a processing hole, the inner lower surface of the base is fixedly connected to a motor, the output end of the motor is fixedly connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a driving bevel gear, one side of the inner wall of the base is rotatably connected to a rotating rod, one end of the rotating rod is fixedly connected to a driven bevel gear, the driving bevel gear and the driven bevel gear are meshingly connected, the rotating shaft and the rotating gear are fixedly connected to each other, and the rotating shaft and the rotating gear are meshingly connected. One side of the outer wall of the rod is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a fixing rod, the outer wall of the fixing rod is rotatably connected with a connecting frame, one side of the connecting frame is fixedly connected with a connecting arm, the upper part of the inner wall of the base is slidably connected with a top plate, the lower surface of the top plate is fixedly connected with a fixing block, both sides of the outer wall of the fixed block are fixedly connected with connecting rods, one side of the connecting arm is rotatably connected to the outer wall of the connecting rod, the upper surface of the top plate is fixedly connected with a top rod, the top end of the top rod is fixedly connected with a connecting disk, and the outer wall of the connecting disk is slidably connected to the inner wall of the processing hole.

[0005] As an optimal technical solution for cooling and temperature reduction equipment of a hydraulic piston casting of the utility model, the upper surface of the base is fixedly connected to a support frame, the surface of the support frame is fixedly connected to a hydraulic rod, and the output end of the hydraulic rod is fixedly connected to the upper surface of the movable mold.

[0006] As an optimal technical solution for a cooling and temperature reduction device for a hydraulic piston casting of the utility model, a serpentine tube is installed on the inner wall of the movable mold, a condenser is installed on one side of the outer wall of the movable mold, one end of the serpentine tube is fixedly connected to a water inlet pipe, the other end of the serpentine tube is fixedly connected to a water outlet pipe, one end of the water outlet pipe is fixedly connected to the input end of the condenser, and the output end of the condenser is fixedly connected to a return water pipe.

[0007] As a preferred technical solution for cooling and temperature reduction equipment of a hydraulic piston casting of the utility model, a fixing frame is fixedly connected to the upper surface of the base, one side of the fixing frame is installed on the outer wall of the fixed mold, and a cooling fan is circumferentially installed on the inner wall of the fixing frame.

[0008] As a preferred technical solution for a cooling device for a hydraulic piston casting of the utility model, ventilation holes are provided in the circumferential direction of the outer wall of the fixing frame.

[0009] As a preferred technical solution for the cooling and temperature reduction equipment of a hydraulic piston casting of the utility model, buffer telescopic rods are fixedly connected to the four corners of the surface of the support frame, and one end of the buffer telescopic rod is fixedly connected to the upper surface of the movable mold.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model starts a motor to drive the rotating shaft to rotate, and the rotating shaft drives the active bevel gear to rotate, and then the active bevel gear drives the driven bevel gear to rotate, and the driven bevel gear drives the rotating rod to rotate, so that the rotating shaft and the rotating rod drive the connecting plate to rotate, and with the cooperation of the fixing rod, the connecting frame can be rotated upward, and then the connecting arm can be driven to move upward. With the cooperation of the connecting rod, the fixing block can move the top plate upward, so that the top rod can push the casting upward with the connecting plate, thereby realizing the rapid demoulding of the hydraulic piston casting.

[0012] 2. The utility model installs a water inlet pipe on a water pump, installs a water return pipe on an external water tank, and then starts the water pump to allow condensed water to enter the serpentine pipe from the water inlet pipe, thereby absorbing heat on the dynamic mold. The condensed water with heat passes through the condenser from the water outlet pipe, so that the condensed water with heat can be re-condensed, and then re-enters the water tank from the return pipe, thereby circulated to absorb heat, and through the setting of the heat dissipation fan, the heat on the fixed mold can be blown away, thereby achieving rapid cooling of the casting and improving its processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0015] Figure 3 This is an exploded view of the structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the utility model.

[0017] In the figure: 1. base; 2. fixed mold; 3. movable mold; 4. processing hole; 5. motor; 6. rotating shaft; 7. driving bevel gear; 8. rotating rod; 9. driven bevel gear; 10. connecting plate; 11. fixing rod; 12. connecting frame; 13. connecting arm; 14. fixing block; 15. connecting rod; 16. push rod; 17. connecting plate; 18. supporting frame; 19. hydraulic rod; 20. serpentine pipe; 21. condenser; 22. water inlet pipe; 23. water outlet pipe; 24. water return pipe; 25. top plate; 26. fixing frame; 27. cooling fan; 28. ventilation hole; 29. ​​buffer telescopic rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] like Figures 1 to 4 As shown, the utility model provides a cooling and temperature reduction device for hydraulic piston castings, including a base 1, a fixed mold 2 and a movable mold 3. The lower surface of the fixed mold 2 is fixedly connected to the upper surface of the base 1, and a processing hole 4 is opened on the surface of the fixed mold 2. A motor 5 is fixedly connected to the inner lower surface of the base 1, and a rotating shaft 6 is fixedly connected to the output end of the motor 5. One end of the rotating shaft 6 is fixedly connected to a driving bevel gear 7. A rotating rod 8 is rotatably connected to one side of the inner wall of the base 1, and one end of the rotating rod 8 is fixedly connected to a driven bevel gear 9. The driving bevel gear 7 and the driven bevel gear 9 are meshed and connected. The rotating shaft 6 and the outer wall of the rotating rod 8 are both fixedly connected to connect Plate 10, one side of the connecting plate 10 is fixedly connected with a fixing rod 11, the outer wall of the fixing rod 11 is rotatably connected with a connecting frame 12, one side of the connecting frame 12 is fixedly connected with a connecting arm 13, the upper part of the inner wall of the base 1 is slidably connected with a top plate 25, the lower surface of the top plate 25 is fixedly connected with a fixing block 14, both sides of the outer wall of the fixing block 14 are fixedly connected with connecting rods 15, one side of the connecting arm 13 is rotatably connected to the outer wall of the connecting rod 15, the upper surface of the top plate 25 is fixedly connected with a top rod 16, the top end of the top rod 16 is fixedly connected with a connecting disk 17, and the outer wall of the connecting disk 17 is slidably connected to the inner wall of the processing hole 4;

[0020] By starting the motor 5, the rotating shaft 6 is driven to rotate, and the rotating shaft 6 drives the active bevel gear 7 to rotate, and then the active bevel gear 7 drives the driven bevel gear 9 to rotate, and the driven bevel gear 9 drives the rotating rod 8 to rotate, so that the rotating shaft 6 and the rotating rod 8 can drive the connecting plate 10 to rotate, and with the cooperation of the fixing rod 11, the connecting frame 12 can be rotated upward, and then the connecting arm 13 can be driven to move upward. With the cooperation of the connecting rod 15, the fixing block 14 can move the top plate 25 upward, so that the top rod 16 can push the casting upward with the connecting disk 17, so that the casting can be quickly demoulded. A plurality of processing holes 4 are provided, and the inner wall diameters of the plurality of processing holes are different, so that pistons of different sizes can be cast.

[0021] Among them, the upper surface of the base 1 is fixedly connected with a support frame 18, the surface of the support frame 18 is fixedly connected with a hydraulic rod 19, and the output end of the hydraulic rod 19 is fixedly connected to the upper surface of the movable mold 3; the inner wall of the movable mold 3 is installed with a serpentine tube 20, and a condenser 21 is installed on one side of the outer wall of the movable mold 3, one end of the serpentine tube 20 is fixedly connected with a water inlet pipe 22, and the other end of the serpentine tube 20 is fixedly connected with a water outlet pipe 23, one end of the water outlet pipe 23 is fixedly connected to the input end of the condenser 21, and the output end of the condenser 21 is fixedly connected with a return pipe 24; the upper surface of the base 1 is fixedly connected with a fixed frame 26, one side of the fixed frame 26 is installed on the outer wall of the fixed mold 2, and a cooling fan 27 is circumferentially installed on the inner wall of the fixed frame 26; the outer wall of the fixed frame 26 is circumferentially provided with ventilation holes 28;

[0022] By installing the water inlet pipe 22 on the water pump, installing the return pipe 24 on the external water tank, and then starting the water pump to allow condensed water to enter the serpentine pipe 20 from the water inlet pipe 22, the heat on the dynamic mold 3 can be adsorbed, and the condensed water with heat passes through the condenser 21 from the water outlet pipe 23, so that the condensed water with heat can be re-condensed, and then re-enter the water tank from the return pipe 24, so that the heat can be circulated and adsorbed, and by starting the heat dissipation fan 27, the heat on the fixed mold 2 can be blown away from the ventilation hole 28, thereby achieving rapid cooling of the casting and improving its processing efficiency.

[0023] The four corners of the surface of the support frame 18 are fixedly connected with buffer telescopic rods 29 , and one end of the buffer telescopic rod 29 is fixedly connected to the upper surface of the movable mold 3 .

[0024] The working principle and use process of this utility model:

[0025] When the device is needed, the movable mold 3 is driven downward by starting the hydraulic rod 19, so that the movable mold 3 is pressed on the fixed mold 2 to cast the piston. After processing, the water inlet pipe 22 is installed on the water pump, and the return pipe 24 is installed on the external water tank. Then the water pump is started to allow condensed water to enter the serpentine pipe 20 from the water inlet pipe 22, so that the heat on the movable mold 3 can be absorbed. The condensed water with heat passes through the condenser 21 from the water outlet pipe 23, so that the condensed water with heat can be re-condensed, and then re-enter the water tank from the return pipe 24, so that the heat can be circulated and absorbed. In addition, the heat on the fixed mold 2 can be dissipated from the ventilation hole 28 by starting the heat dissipation fan 27. Blow it away, so that the casting can be quickly cooled and its processing efficiency can be improved, and then the motor 5 is started to drive the rotating shaft 6 to rotate, the rotating shaft 6 drives the active bevel gear 7 to rotate, and then the active bevel gear 7 drives the driven bevel gear 9 to rotate, and the driven bevel gear 9 drives the rotating rod 8 to rotate, so that the rotating shaft 6 and the rotating rod 8 can drive the connecting plate 10 to rotate, and with the cooperation of the fixing rod 11, the connecting frame 12 can be rotated upward, and then the connecting arm 13 can be driven to move upward. With the cooperation of the connecting rod 15, the fixing block 14 can move the top plate 25 upward, so that the top rod 16 can push the casting upward with the connecting disk 17, so that the casting can be quickly demoulded.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling device for a hydraulic piston casting, comprising a base (1), a fixed mold (2) and a movable mold (3), characterized in that: The lower surface of the fixed mold (2) is fixedly connected to the upper surface of the base (1); a processing hole (4) is provided on the surface of the fixed mold (2); a motor (5) is fixedly connected to the inner lower surface of the base (1); a rotating shaft (6) is fixedly connected to the output end of the motor (5); one end of the rotating shaft (6) is fixedly connected to a driving bevel gear (7); a rotating rod (8) is rotatably connected to one side of the inner wall of the base (1); one end of the rotating rod (8) is fixedly connected to a driven bevel gear (9); the driving bevel gear (7) and the driven bevel gear (9) are meshedly connected; one side of the outer wall of the rotating shaft (6) and the rotating rod (8) are fixedly connected to a connecting plate (10); one side of the connecting plate (10) is fixedly connected to A fixing rod (11), the outer wall of the fixing rod (11) is rotatably connected to a connecting frame (12), one side of the connecting frame (12) is fixedly connected to a connecting arm (13), the upper part of the inner wall of the base (1) is slidably connected to a top plate (25), the lower surface of the top plate (25) is fixedly connected to a fixing block (14), both sides of the outer wall of the fixing block (14) are fixedly connected to a connecting rod (15), one side of the connecting arm (13) is rotatably connected to the outer wall of the connecting rod (15), the upper surface of the top plate (25) is fixedly connected to a top rod (16), the top end of the top rod (16) is fixedly connected to a connecting disk (17), and the outer wall of the connecting disk (17) is slidably connected to the inner wall of the processing hole (4).

2. The cooling device for a hydraulic piston casting according to claim 1, characterized in that: The upper surface of the base (1) is fixedly connected to a support frame (18), the surface of the support frame (18) is fixedly connected to a hydraulic rod (19), and the output end of the hydraulic rod (19) is fixedly connected to the upper surface of the movable mold (3).

3. The cooling device for a hydraulic piston casting according to claim 1, characterized in that: A serpentine tube (20) is installed on the inner wall of the movable mold (3), and a condenser (21) is installed on one side of the outer wall of the movable mold (3); one end of the serpentine tube (20) is fixedly connected to a water inlet pipe (22), and the other end of the serpentine tube (20) is fixedly connected to a water outlet pipe (23); one end of the water outlet pipe (23) is fixedly connected to the input end of the condenser (21), and the output end of the condenser (21) is fixedly connected to a water return pipe (24).

4. The cooling device for a hydraulic piston casting according to claim 1, characterized in that: A fixing frame (26) is fixedly connected to the upper surface of the base (1), one side of the fixing frame (26) is mounted on the outer wall of the fixed mold (2), and a cooling fan (27) is circumferentially mounted on the inner wall of the fixing frame (26).

5. The cooling device for a hydraulic piston casting according to claim 4, characterized in that: The outer wall of the fixing frame (26) is provided with ventilation holes (28) in the circumferential direction.

6. The cooling device for a hydraulic piston casting according to claim 2, characterized in that: The four corners of the surface of the support frame (18) are fixedly connected with buffer telescopic rods (29), and one end of the buffer telescopic rod (29) is fixedly connected to the upper surface of the movable mold (3).