Casting mold for reduction gearbox shell

Abstract

The utility model relates to the technical field of shell casting molds, and discloses a reduction gearbox shell casting mold which comprises a mold base and a cooling water tank, a plurality of mold bodies are connected to the outer surface of the mold base in an embedded mode, and a water chilling unit is arranged on the outer surface of the cooling water tank in a communicated mode. A first cooling water pipe is arranged at the output end of the water chilling unit in a communicating mode, the first cooling water pipe is connected with the mold base in a penetrating mode, a plurality of spiral pipes are arranged on the outer surface of the first cooling water pipe in a communicating mode, and the spiral pipes and the outer surfaces of the mold bodies are correspondingly wound. Water in the cooling water tank is transferred and refrigerated through the water chilling unit and then flows into the first cooling water pipe, the outer surface of the mold body is correspondingly wound and cooled through the multiple spiral pipes, then the outer surface of the mold body is discharged through the half cooling water pipe, and therefore the effects that the mold is prevented from being cooled unevenly, and mold scrapping is reduced are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of shell casting molds, in particular to a reduction gearbox shell casting mold. Background Art

[0002] The reducer case is the basic component for installing each transmission shaft. Since each shaft generates a relatively large reaction force when transmitting torque during the operation of the reducer and acts on the case, the case is required to have sufficient rigidity to ensure the relative position accuracy of each transmission shaft. The use of a metal structure case can obtain greater strength and rigidity, and has a compact structure and light weight. There are many types of reducer case structures. In small-batch manufacturing, it is more reasonable to use a welded reducer case.

[0003] At present, in order to save production costs, when multiple molds are produced simultaneously for the casting mold of the gearbox housing, one cooling system is often used for cooling, which easily leads to uneven cooling of the mold and causes the mold to be scrapped. Utility Model Content

[0004] In response to the shortcomings of the existing technology, the utility model provides a gearbox housing casting mold to solve the problem mentioned in the above background technology that when multiple molds are produced simultaneously for the gearbox housing casting mold, in order to save production costs, one cooling system is often used for cooling, which easily leads to uneven cooling of the mold and causes the mold to be scrapped.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reduction gear housing casting mold, comprising a mold base and a cooling water tank, the outer surface of the mold base is embedded with a plurality of mold bodies, the outer surface of the cooling water tank is connected to a chiller, the output end of the chiller is connected to a No. 1 cooling water pipe, the No. 1 cooling water pipe is connected through the mold base, the outer surface of the No. 1 cooling water pipe is connected to a plurality of spiral tubes, the plurality of spiral tubes are correspondingly wound around the outer surfaces of the plurality of mold bodies, and the output ends of the plurality of spiral tubes are connected to a No. 2 cooling water pipe.

[0006] Preferably, a pre-storage water tank is provided at the output end of the No. 2 cooling water pipe, a water pump is provided inside the pre-storage water tank, the water pump is connected to the No. 2 cooling water pipe, a circulation pipe is provided on the outer surface of the pre-storage water tank, and the output end of the circulation pipe is fixedly connected to the cooling water tank.

[0007] Preferably, heat sinks are fixedly mounted on the outer surfaces of the plurality of spiral tubes, a refrigerator is fixedly mounted inside the mold base, and an output end of the refrigerator is connected to the bottom of the mold body.

[0008] Preferably, the outer surfaces of the cooling water tank and the pre-storage water tank are fixedly connected with a water inlet pipe and a drain pipe, and the outer surface of the water inlet pipe is provided with a filter.

[0009] Preferably, the chiller is made of a compressor, an evaporator, a condenser and some metering devices, and the refrigerator is a compression refrigerator.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] 1. The gearbox housing casting mold uses a chiller to mobilize and cool the water in the cooling water tank and then circulate it into the No. 1 cooling water pipe. Then, it passes through several spiral pipes to cool the outer surface of the mold body, and then is discharged through the Harpi cooling water pipe, thereby avoiding uneven cooling of the mold and reducing the risk of mold scrapping.

[0012] 2. The reduction gearbox housing casting mold mobilizes cooling water through a water pump, and the pre-storage water tank temporarily stores the cooling water. The water in the pre-storage water tank is then circulated to the cooling water tank through a circulation pipe and used again, thereby achieving the effect of recycling water resources. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0015] Figure 3 This is a schematic top view of the structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the mold body structure of the utility model.

[0017] In the figure: 1. Mold base; 2. Cooling water tank; 3. Chiller; 4. Mold body; 5. Cooling water pipe No. 1; 6. Spiral pipe; 7. Cooling water pipe No. 2; 8. Pre-storage water tank; 9. Circulation pipe; 10. Circulation pipe; 11. Refrigerator; 12. Heat sink. DETAILED DESCRIPTION

[0018] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0019] Example 1:

[0020] Please refer to Figures 1-4.

[0021] A reduction gearbox housing casting mold includes a mold base 1 and a cooling water tank 2. The outer surface of the mold base 1 is embedded with several mold bodies 4, the outer surface of the cooling water tank 2 is connected to a chiller 3, the output end of the chiller 3 is connected to a first cooling water pipe 5, the first cooling water pipe 5 is connected to the mold base 1 through, the outer surface of the No. 1 cooling water pipe 5 is connected to several spiral tubes 6, the several spiral tubes 6 are correspondingly wound around the outer surfaces of several mold bodies 4, and the output ends of the several spiral tubes 6 are connected to a No. 2 cooling water pipe 7.

[0022] Specifically, the water in the cooling water tank 2 is mobilized and cooled by the chiller 3 and then circulated into the No. 1 cooling water pipe 5, and then passed through a number of spiral tubes 6 to perform corresponding winding cooling on the outer surface of the mold body 4, and then discharged through the HaPi cooling water pipe, thereby achieving the effect of avoiding uneven cooling of the mold and reducing the risk of mold scrapping.

[0023] In the embodiment, heat sinks 12 are fixedly mounted on the outer surfaces of the plurality of spiral tubes 6 , a refrigerator 11 is fixedly mounted inside the mold base 1 , and an output end of the refrigerator 11 is connected to the bottom of the mold body 4 .

[0024] Specifically, heat sinks 12 are fixedly installed on the outer surfaces of several spiral tubes 6, and a refrigerator 11 is fixedly installed inside the mold base 1. The output end of the refrigerator 11 is connected to the bottom of the mold body 4 to achieve better cooling and demoulding effects.

[0025] In the embodiment, the chiller 3 is made of a compressor, an evaporator, a condenser and some metering devices, and the refrigerator 11 is a compression refrigerator.

[0026] Specifically, because the chiller 3 is made of a compressor, an evaporator, a condenser and some metering devices, different refrigerants are realized through the form of a vapor compression refrigeration cycle. The absorption chiller uses water as a refrigerant and relies on the affinity between water and lithium bromide solution to achieve a strong cooling effect. The refrigerator 11 adopts a compression refrigerator, which transfers the heat of the cooled object with a lower temperature to the ambient medium to obtain cooling capacity.

[0027] Working principle: Several mold bodies 4 are embedded and connected on the outer surface of the mold base 1, and the outer surface of the cooling water tank 2 is connected to a chiller 3. At the same time, the output end of the chiller 3 is connected to a No. 1 cooling water pipe 5, which is connected to the mold base 1. In addition, the outer surface of the No. 1 cooling water pipe 5 is connected to several spiral tubes 6, which are correspondingly wound around the outer surfaces of several mold bodies 4, and the output ends of the several spiral tubes 6 are connected to a No. 2 cooling water pipe 7. The chiller 3 mobilizes and cools the water in the cooling water tank 2 and then circulates it into the No. 1 cooling water pipe 5, and then passes through several spiral tubes 6 to cool the outer surface of the mold body 4, and then is discharged by the No. 2 cooling water pipe. Compared with related technologies, the reducer housing casting mold provided by the utility model has the following beneficial effects: thereby avoiding uneven cooling of the mold and reducing the effect of mold scrapping.

[0028] Example 2:

[0029] Please refer to Figures 1-4.

[0030] A pre-storage water tank 8 is provided at the output end of the No. 2 cooling water pipe 7, and a water pump is provided inside the pre-storage water tank 8. The water pump is connected to the No. 2 cooling water pipe 7. A circulation pipe 10 is provided on the outer surface of the pre-storage water tank 8, and the output end of the circulation pipe 10 is fixedly connected to the cooling water tank 2.

[0031] Specifically, the cooling water is mobilized by a water pump, and the pre-storage water tank 8 temporarily stores the cooling water. The water in the pre-storage water tank 8 is then circulated to the cooling water tank 2 through the circulation pipe 10 and used again, thereby achieving the effect of recycling water resources.

[0032] In the embodiment, the outer surfaces of the cooling water tank 2 and the pre-storage water tank 8 are both fixedly connected with a water inlet pipe and a drain pipe, and the outer surface of the water inlet pipe is provided with a filter.

[0033] Specifically, the outer surfaces of the cooling water tank 2 and the pre-storage water tank 8 are fixedly connected with an inlet pipe and a drain pipe, which is convenient for cleaning and adding water to the cooling water tank 2 and the pre-storage water tank 8, and a filter is provided on the outer surface of the water inlet pipe to reduce the impact of water impurities on related equipment.

[0034] Working principle: A pre-storage water tank 8 is provided at the output end of the No. 2 cooling water pipe 7, and a water pump is provided inside the pre-storage water tank 8. The water pump is connected to the No. 2 cooling water pipe 7. A circulation pipe 10 is provided on the outer surface of the pre-storage water tank 8, and the output end of the circulation pipe 10 is fixedly connected to the cooling water tank 2. The water pump mobilizes the cooling water, and the pre-storage water tank 8 temporarily stores the cooling water. The water in the pre-storage water tank 8 is then circulated to the cooling water tank 2 through the circulation pipe 10 and used again. Compared with the relevant technology, the reduction gear housing casting mold provided by the utility model has the following beneficial effects: thereby achieving the effect of recycling water resources.

[0035] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reduction gearbox housing casting mold, comprising a mold base (1) and a cooling water tank (2), characterized in that: The outer surface of the mold base (1) is embedded with a plurality of mold bodies (4), the outer surface of the cooling water tank (2) is connected to a chiller (3), the output end of the chiller (3) is connected to a first cooling water pipe (5), the first cooling water pipe (5) is connected to the mold base (1), the outer surface of the first cooling water pipe (5) is connected to a plurality of spiral tubes (6), the plurality of spiral tubes (6) are correspondingly wound around the outer surfaces of the plurality of mold bodies (4), and the output ends of the plurality of spiral tubes (6) are connected to a second cooling water pipe (7).

2. The reduction gearbox housing casting mold according to claim 1, characterized in that: The output end of the No. 2 cooling water pipe (7) is provided with a pre-storage water tank (8), a water pump is provided inside the pre-storage water tank (8), and the water pump is connected to the No. 2 cooling water pipe (7). The outer surface of the pre-storage water tank (8) is connected to a circulation pipe (10), and the output end of the circulation pipe (10) is fixedly connected to the cooling water tank (2).

3. The reduction gearbox housing casting mold according to claim 1, characterized in that: The outer surfaces of the plurality of spiral tubes (6) are fixedly mounted with heat sinks (12), the interior of the mold base (1) is fixedly mounted with a refrigerator (11), and the output end of the refrigerator (11) is connected to the bottom of the mold body (4).

4. The reduction gearbox housing casting mold according to claim 2, characterized in that: The outer surfaces of the cooling water tank (2) and the pre-storage water tank (8) are both fixedly connected with a water inlet pipe and a drain pipe, and the outer surface of the water inlet pipe is provided with a filter.

5. The reduction gearbox housing casting mold according to claim 3, characterized in that: The water chiller (3) is made of a compressor, an evaporator, a condenser and some metering devices, and the refrigerator (11) is a compression refrigerator.

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