Assembled graphite die

Abstract

The utility model relates to the technical field of bearing production, in particular to an assembled graphite die which comprises a stainless steel heat absorption hollow plate, a bottom die, a core die and a top die, a snakelike heat absorption copper pipe is sleeved in the stainless steel heat absorption hollow plate, and a cold water tank is installed at one end of the stainless steel heat absorption hollow plate through a bolt. One side of the top end of the cold water tank is connected with the water inlet end of the snakelike heat absorption copper pipe through an L-shaped communicating pipe, a water pump is arranged on the L-shaped communicating pipe, and the water outlet end of the snakelike heat absorption copper pipe is communicated with the cold water tank through a pipeline; a semiconductor chilling plate is mounted on one side of the bottom end of the cold water tank through a mounting groove, a bottom die is mounted at the top of the stainless steel heat absorption hollow plate through bolts, a top die is arranged at the upper end of the bottom die, and a core die is mounted at the bottom of the top die through bolts; the graphite die is convenient for realizing rapid circulating water cooling, is convenient for rapid assembly and separation, and can be used for rapidly taking out a molded bearing outer ring material.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing production, in particular to an assembled graphite mould. Background Art

[0002] Graphite molds are equipment used in graphite technology and are also basic process equipment that is widely used in industrial production. They play an important role in modern industrial production and are matched with forming molds to form blanks into parts that meet product requirements. Graphite molds are needed in bearing production because they have high thermal conductivity and are easy to produce and process.

[0003] The existing graphite molds are not convenient for quick assembly and separation, quick removal of the formed bearing outer ring material, and rapid circulation water cooling. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides an assembled graphite mold, which is convenient for realizing rapid circulation water cooling, rapid assembly and separation, and rapid removal of the formed bearing outer ring material.

[0005] The technical solution adopted by the utility model to solve the technical problem is an assembled graphite mold, including a stainless steel heat-absorbing hollow plate, a bottom mold, a core mold and a top mold, wherein a serpentine heat-absorbing copper tube is sleeved inside the stainless steel heat-absorbing hollow plate, a cold water tank is installed at one end of the stainless steel heat-absorbing hollow plate through bolts, a top side of the cold water tank is connected to the water inlet end of the serpentine heat-absorbing copper tube through an L-shaped connecting pipe, a water pump is arranged on the L-shaped connecting pipe, and the water outlet end of the serpentine heat-absorbing copper tube is connected to the cold water tank through a pipeline;

[0006] A semiconductor refrigeration plate is installed on one side of the bottom end of the cold water tank through a mounting groove, a bottom mold is installed on the top of the stainless steel heat-absorbing hollow plate through bolts, a top mold is arranged on the upper end of the bottom mold, and a core mold is installed on the bottom of the top mold through bolts, a connecting threaded hole is arranged at the bottom of the core mold, and a limiting plate is connected to the connecting threaded hole through a connecting screw, and the top mold, bottom mold, core mold and limiting plate are all made of graphite material.

[0007] By adopting the above technical solution, the liquid in the cold water tank is cooled and cooled by the semiconductor refrigeration sheet, the top mold is clamped on the top of the bottom mold and the locking bolt is tightened to fix it, the control valve is opened to pass the molten bearing material into the casting cavity through the filling pipe, the water pump power supply on one side of the cold water tank is turned on, and the coolant in the cold water tank is sucked into the serpentine heat-absorbing copper tube by the water pump. Through heat exchange, the heat in the casting cavity is quickly absorbed, and the liquid after absorbing heat enters the cold water tank to continue to be cooled, thereby realizing circulating water cooling;

[0008] After cooling and forming, loosen the locking bolts to lift the top mold, and the formed bearing outer ring material is brought out under the action of the limit plate. Unscrew the connecting screw from the connecting threaded hole to separate the limit plate and remove the formed bearing outer ring material.

[0009] Specifically, a pouring cavity is provided in the bottom mold, and the core mold and the limiting piece are located in the pouring cavity.

[0010] Specifically, a filling pipe is connected to one side of the bottom mold and the filling pipe is connected to the pouring cavity, and a control valve is arranged on the filling pipe.

[0011] By adopting the above technical solution, the control valve is opened to allow the molten bearing material to flow into the casting cavity through the filling pipe.

[0012] Specifically, locking bolts are connected to both sides of the top mold via connecting pieces A, and connecting pieces B corresponding to the connecting pieces A are provided on both sides of the top end of the bottom mold.

[0013] Specifically, a filling port is provided on the top of the cold water tank.

[0014] Specifically, the cooling end of the semiconductor refrigeration plate is located in the cold water tank, and support vertical plates are installed at both ends of the bottom of the stainless steel heat-absorbing hollow plate by screws.

[0015] By adopting the above technical solution, the supporting vertical plates are used to provide a stable supporting effect on the stainless steel heat-absorbing hollow plates.

[0016] Beneficial effects of the utility model:

[0017] (1) The utility model describes an assembled graphite mold, which cools down the liquid in the cold water tank through a semiconductor refrigeration sheet, clamps the top mold on the top of the bottom mold and fixes it by tightening the locking bolts, opens the control valve to pass the molten bearing material into the casting cavity through the filling pipe, connects the power supply of the water pump on one side of the cold water tank, and uses the water pump to pump the coolant in the cold water tank into the serpentine heat-absorbing copper tube. Through heat exchange, the heat in the casting cavity is quickly absorbed, and the liquid after absorbing heat enters the cold water tank to continue to be cooled, thereby realizing circulating water cooling.

[0018] (2) The utility model discloses an assembled graphite mold. After cooling and forming, the locking bolt is loosened to lift the top mold. The formed bearing outer ring material is brought out under the action of the limit plate. The connecting screw is unscrewed from the connecting threaded hole to separate the limit plate and remove the formed bearing outer ring material. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the serpentine heat-absorbing copper tube and semiconductor refrigeration sheet of the utility model;

[0022] Figure 3 It is a schematic diagram of the connecting threaded hole and the connecting screw structure of the utility model.

[0023] In the figure: 1. top mold; 2. locking bolt; 3. connecting piece A; 4. core mold; 5. limit plate; 6. connecting piece B; 7. casting cavity; 8. bottom mold; 9. control valve; 10. supporting vertical plate; 11. filling pipe; 12. stainless steel heat-absorbing hollow plate; 13. L-shaped connecting pipe; 14. water pump; 15. cold water tank; 16. filling port; 17. serpentine heat-absorbing copper tube; 18. semiconductor refrigeration plate; 19. connecting threaded hole; 20. connecting screw. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] In order to facilitate the rapid circulation of water cooling for graphite molds, facilitate rapid assembly and separation, and quickly remove the formed bearing outer ring material, such as Figure 1-3 As shown, the utility model described in an assembled graphite mold includes a stainless steel heat-absorbing hollow plate 12, a bottom mold 8, a core mold 4 and a top mold 1, the stainless steel heat-absorbing hollow plate 12 is provided with a serpentine heat-absorbing copper tube 17, one end of the stainless steel heat-absorbing hollow plate 12 is installed with a cold water tank 15 by bolts, the top side of the cold water tank 15 is connected to the water inlet end of the serpentine heat-absorbing copper tube 17 by an L-shaped connecting pipe 13, the L-shaped connecting pipe 13 is provided with a water pump 14, and the water outlet end of the serpentine heat-absorbing copper tube 17 is connected to the cold water tank 15 through a pipeline;

[0026] A semiconductor refrigeration plate 18 is installed on one side of the bottom end of the cold water tank 15 through a mounting groove, a bottom mold 8 is installed on the top of the stainless steel heat-absorbing hollow plate 12 through bolts, a top mold 1 is provided on the upper end of the bottom mold 8, and a core mold 4 is installed on the bottom of the top mold 1 through bolts, a connecting threaded hole 19 is provided at the bottom of the core mold 4, and a limiting plate 5 is connected to the connecting threaded hole 19 through a connecting screw 20, and the top mold 1, the bottom mold 8, the core mold 4 and the limiting plate 5 are all made of graphite material.

[0027] When in use, the liquid in the cold water tank 15 is cooled and cooled by the semiconductor refrigeration sheet 18, the top mold 1 is clamped on the top of the bottom mold 8 and the locking bolt 2 is tightened to fix it, the control valve 9 is opened to pass the molten bearing material into the casting cavity 7 through the filling pipe 11, and the power supply of the water pump 14 on one side of the cold water tank 15 is turned on. The coolant in the cold water tank 15 is sucked into the serpentine heat-absorbing copper tube 17 by the water pump 14, and the heat in the casting cavity 7 is quickly absorbed through heat exchange;

[0028] The liquid after absorbing heat enters the cold water tank 15 to continue to be cooled, thereby realizing circulating water cooling. After cooling and forming, the locking bolt 2 is loosened to lift the top mold 1, and the formed bearing outer ring material is taken out under the action of the limit plate 5.

[0029] For example, Figure 1 As shown, the utility model also includes that a pouring cavity 7 is provided in the bottom mold 8 , and the core mold 4 and the limiting piece 5 are located in the pouring cavity 7 .

[0030] When in use, the formed bearing outer ring material is brought out under the action of the limiting piece 5.

[0031] For example, Figure 1 As shown, the utility model also includes that a filling pipe 11 is connected to one side of the bottom mold 8 and the filling pipe 11 is connected to the pouring cavity 7 , and a control valve 9 is arranged on the filling pipe 11 .

[0032] When in use, the control valve 9 is opened to allow the molten bearing material to flow into the casting cavity 7 through the filling pipe 11 .

[0033] For example, Figure 1 As shown, the utility model also includes that the two sides of the top mold 1 are connected with locking bolts 2 through connecting pieces A3, and the two sides of the top of the bottom mold 8 are provided with connecting pieces B6 corresponding to the connecting pieces A3.

[0034] When in use, the top mold 1 is clamped on the top of the bottom mold 8 and the locking bolts 2 are tightened to fix it.

[0035] For example, Figure 1 As shown, the utility model also includes that a filling port 16 is provided on the top of the cold water tank 15 .

[0036] When in use, the coolant can be added through the filling port 16 on the top of the cold water tank 15 .

[0037] For example, Figure 1 , 2 As shown, the utility model also includes that the cooling end of the semiconductor refrigeration plate 18 is located in the cold water tank 15, and the bottom ends of the stainless steel heat-absorbing hollow plate 12 are installed with support vertical plates 10 by screws.

[0038] When in use, the supporting vertical plate 10 is used to provide stable support for the stainless steel heat-absorbing hollow plate 12 .

[0039] When the utility model is in use, the liquid in the cold water tank 15 is cooled by the semiconductor refrigeration sheet 18, the top mold 1 is clamped on the top of the bottom mold 8 and the locking bolt 2 is tightened to achieve fixation;

[0040] Open the control valve 9 to let the molten bearing material into the casting cavity 7 through the filling pipe 11, connect the power of the water pump 14 on one side of the cold water tank 15, and use the water pump 14 to pump the coolant in the cold water tank 15 into the serpentine heat-absorbing copper tube 17. Through heat exchange, the heat in the casting cavity 7 is quickly absorbed, and the liquid after absorbing heat enters the cold water tank 15 to continue to be cooled, thereby realizing circulating water cooling;

[0041] After cooling and forming, loosen the locking bolt 2 to lift the top mold 1, and the formed bearing outer ring material is brought out under the action of the limit plate 5. Unscrew the connecting screw 20 from the connecting threaded hole 19 to separate the limit plate 5 and remove the formed bearing outer ring material. The graphite mold is convenient for rapid circulation water cooling, rapid assembly and separation, and rapid removal of the formed bearing outer ring material.

[0042] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0043] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the present utility model, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection;

[0044] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An assembled graphite mold, characterized in that: It comprises a stainless steel heat-absorbing hollow plate (12), a bottom mold (8), a core mold (4) and a top mold (1); a serpentine heat-absorbing copper tube (17) is sleeved inside the stainless steel heat-absorbing hollow plate (12); a cold water tank (15) is installed at one end of the stainless steel heat-absorbing hollow plate (12) by means of bolts; a top side of the cold water tank (15) is connected to a water inlet end of the serpentine heat-absorbing copper tube (17) by means of an L-shaped connecting tube (13); a water pump (14) is arranged on the L-shaped connecting tube (13); and a water outlet end of the serpentine heat-absorbing copper tube (17) is connected to the cold water tank (15) by means of a pipeline; A semiconductor refrigeration plate (18) is installed on one side of the bottom end of the cold water tank (15) through a mounting groove, a bottom mold (8) is installed on the top of the stainless steel heat-absorbing hollow plate (12) through bolts, a top mold (1) is arranged on the upper end of the bottom mold (8), and a core mold (4) is installed on the bottom of the top mold (1) through bolts, a connecting threaded hole (19) is arranged at the bottom of the core mold (4), and a limiting plate (5) is connected to the connecting threaded hole (19) through a connecting screw (20), and the top mold (1), the bottom mold (8), the core mold (4) and the limiting plate (5) are all made of graphite material.

2. An assembled graphite mold according to claim 1, characterized in that: A pouring cavity (7) is provided in the bottom mold (8), and the core mold (4) and the limiting piece (5) are located in the pouring cavity (7).

3. The assembled graphite mold according to claim 1, characterized in that: One side of the bottom mold (8) is connected to a filling pipe (11), and the filling pipe (11) is connected to the pouring cavity (7), and a control valve (9) is provided on the filling pipe (11).

4. The assembled graphite mold according to claim 1, characterized in that: The two sides of the top mold (1) are connected with locking bolts (2) via connecting pieces A (3), and the two sides of the top of the bottom mold (8) are provided with connecting pieces B (6) corresponding to the connecting pieces A (3).

5. The assembled graphite mold according to claim 1, characterized in that: The top of the cold water tank (15) is provided with a filling port (16).

6. The assembled graphite mold according to claim 1, characterized in that: The cooling end of the semiconductor cooling plate (18) is located in the cold water tank (15), and the bottom ends of the stainless steel heat-absorbing hollow plate (12) are mounted with supporting vertical plates (10) by means of screws.

Images