Motor shell casting cooling system

Abstract

The utility model relates to the technical field of cooling, and discloses a motor housing casting cooling system, which realizes rapid cooling by arranging an outer cooling tank, an inner cooling tank and other structures, connects the outer cooling tank and the inner cooling tank by using a cooling water circulating device, uniformly introduces cooling water into the outer cooling tank and the inner cooling tank, and realizes cooling of the motor housing. After entering the outer cooling tank, cooling water is continuously stirred and disordered by the arrayed stirring and disordering blocks, so that the normal flow direction of the cooling water is stirred and disordered by the stirring and disordering blocks, flocculated flow is generated in the outer cooling tank, and after entering the inner cooling tank, the cooling water is continuously impacted by the corrugated grooves, so that the cooling water in the normal flow direction is stirred and disordered by the corrugated grooves; the cooling water is located in the inner cooling groove to generate flocculent flow, so that the retention time of the cooling water is longer, heat exchange of the motor shell is more sufficient, and the effects of uniform cooling and rapid cooling are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling technical field especially relates to a motor shell foundry cooling system. BACKGROUND

[0002] The motor shell is usually cast by low pressure casting technology. The characteristics of low pressure casting technology determine that the temperature of the upper mold must be lower than that of the lower mold. In general, the control of the upper mold temperature is realized by water cooling or air cooling on the mold. For the characteristics of the mold structure of the motor shell, such cooling method is not sufficient to ensure that the temperature control is within a stable range and the upper and lower sequences are solidified.

[0003] In the cooling system, the motor shell cannot be cooled in sequence from top to bottom during demolding, and the cooling water flows quickly during cooling, which cannot completely exchange heat with the molten iron, resulting in that the motor shell cannot be cooled quickly, the use of cooling water is slightly wasted, and the motor shell cooling time is relatively long. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a motor shell foundry cooling system, which has the advantages of sequential cooling and complete reaction, and solves the problems raised in the above background technology.

[0005] The utility model provides the following technical scheme: a motor shell foundry cooling system, including bottom shell, the top of bottom shell is movably sleeved with top shell, the top of top shell is equipped with pouring hole, the inner ring of bottom shell is equipped with inner sleeve, the inner wall of bottom shell and the outer wall of inner sleeve are equipped with motor shell cavity, the pouring hole is linked together with motor shell cavity, the inside of bottom shell and top shell is equipped with outer cooling groove, the inner wall of inner sleeve is equipped with inner cooling groove, the outer cooling groove and inner cooling groove are all screw threads.

[0006] Through the above structure setting, compared with prior art, the cooling water in the cooling groove can be stirred when the motor shell is cast and cooled by the device, flocculation flow is generated, the cooling water stays in the cooling groove for a longer time, reacts more fully with the motor shell, carries away more heat, and cools the motor shell quickly.

[0007] Preferably, the bottom shell and the top shell are detachable, the cross section of the bottom shell is similar to a convex character, the cross section of the top shell is similar to an inverted concave character, the bottom shell and the top shell are sealed, and the outer cooling groove in the bottom shell and the outer cooling groove in the top shell are sealed.

[0008] Through the above structural arrangement, when the melted aluminum water is poured into the motor shell cavity from the pouring hole, the aluminum water fills the motor shell cavity, and after waiting for natural cooling for a period of time, the cooling water circulating device is connected between the water inlet pipe A, the water outlet pipe A and the water inlet pipe B, the water outlet pipe B, so that the cooling water produces flocculation flow, and the heat of the cooling water and the aluminum water is fully exchanged.

[0009] Preferably, the bottom wall of the outer cooling tank is fixedly provided with a plurality of stirring blocks arranged in a threaded array, the top of the outer cooling tank is provided with a water inlet pipe A, the water inlet pipe A is in communication with the inside of the outer cooling tank, and the bottom of the outer cooling tank is provided with a water outlet pipe A, the water outlet pipe A is in communication with the inside of the outer cooling tank.

[0010] Through the above structural arrangement, when the cooling water enters the inside of the outer cooling tank through the water inlet pipe A, the stirring blocks are stirred to make the cooling water in the inside of the outer cooling tank produce flocculation flow.

[0011] Preferably, the inner wall of the inner cooling tank is provided with a plurality of corrugated grooves arranged in a threaded array, the inside of the inner cooling tank is fixedly provided with a threaded sleeve, the threaded sleeve is in close contact with the inner wall of the inner sleeve, the threaded sleeve is provided with an end sleeve at the top inner ring of the top shell, the end sleeve is combined and sealed with the threaded sleeve, the end sleeve is fixedly connected to the top inner ring of the top shell, the end sleeve is provided with a water inlet pipe B at the end portion, the water inlet pipe B is in communication with the end sleeve and the threaded sleeve, and the bottom of the inner cooling tank is provided with a water outlet pipe B, which is in communication with the inner cooling tank.

[0012] Through the above structural arrangement, when the cooling water enters the inner cooling tank from the water inlet pipe B, the stirring of the corrugated grooves makes the cooling water pass through the interval of the inner sleeve and fully exchanges heat with the aluminum water in the inside of the motor shell cavity, and more cooling water entering the inside of the corrugated grooves can take away more heat.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、The motor shell casting cooling system realizes rapid cooling through the arrangement of the outer cooling tank, the inner cooling tank and other structures, the cooling water circulating device is connected between the outer cooling tank and the inner cooling tank, the cooling water is uniformly introduced into the inside of the outer cooling tank and the inner cooling tank, the cooling water in the inside of the outer cooling tank is continuously stirred by the stirring blocks arranged in an array, so that the normal flow direction of the cooling water is disturbed by the stirring blocks, thereby producing flocculation flow in the inside of the outer cooling tank, the cooling water in the inside of the inner cooling tank is continuously impacted by the corrugated grooves, so that the normal flow direction of the cooling water is disturbed by the corrugated grooves, the cooling water produces flocculation flow in the inside of the inner cooling tank, the cooling water stays for a longer time, the heat exchange with the motor shell is more sufficient, and the effects of uniform cooling and rapid cooling are achieved.

[0015] 2、The motor shell casting cooling system, by setting the shape of the outer cooling groove and the inner cooling groove, setting inside, realizing uniform cooling from top to bottom, the cooling water is fully exchanged with the aluminum profile water in the motor shell cavity, more cooling water enters the inner part of the corrugated groove, which can take away more heat, the cooling water is not like a single flow as quickly out, so that the cooling water and the aluminum profile water in the motor shell cavity are fully exchanged, the cooling water can take out more heat of the aluminum profile water, realizing the cooling of the motor shell from top to bottom, rapid cooling, and the effect of sequential cooling is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is overall structure schematic view of the utility model;

[0017] Figure 2 It is inside schematic view of bottom shell structure of the utility model;

[0018] Figure 3 It is inside schematic view of top shell structure of the utility model;

[0019] Figure 4 It is inside schematic view of top shell structure of the utility model;

[0020] In the drawing: 1, bottom shell;11, top shell;12, pouring hole;13, inner sleeve;14, motor shell cavity;2, outer cooling groove;21, random block;22, water pipe A;23, water outlet pipe A;3, inner cooling groove;31, threaded sleeve;311, end sleeve;32, water pipe B;33, water outlet pipe B. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-3 A motor shell casting cooling system, including bottom shell 1, the top of bottom shell 1 is movably sleeved with top shell 11, top shell 11 top is provided with pouring hole 12, the inner ring of bottom shell 1 is provided with inner sleeve 13, the inner wall of bottom shell 1 and the outer wall of inner sleeve 13 are provided with motor shell cavity 14, pouring hole 12 and motor shell cavity 14 are connected, outer cooling groove 2 is set between the inside of bottom shell 1 and top shell 11, inner cooling groove 3 is set in the inner wall of inner sleeve 13, outer cooling groove 2 and inner cooling groove 3 are all threaded type.

[0023] Compared with the prior art, the device can make the cooling water in the cooling groove flow in a flocculation flow, stay for a longer time, react more fully with the motor shell, take away more heat, and rapidly cool the motor shell.

[0024] Please refer to Figures 1-4 The bottom wall of the outer cooling groove 2 is fixedly provided with a flocculation block 21, which is uniformly arranged in a screw array. The top of the outer cooling groove 2 is provided with a water inlet pipe A22, which is in communication with the inside of the outer cooling groove 2. The bottom of the outer cooling groove 2 is provided with a water outlet pipe A23, which is in communication with the inside of the outer cooling groove 2.

[0025] Due to the shape of the outer cooling groove 2 and the arrangement of the flocculation block 21, when the cooling water enters the inside of the outer cooling groove 2 through the water inlet pipe A22, it is stirred by the flocculation block 21, so that the cooling water in the inside of the outer cooling groove 2 flows in a flocculation flow and does not flow out as quickly as a single flow. The cooling water in the inside of the outer cooling groove 2 fully exchanges heat with the aluminum profile water in the motor shell cavity 14, so that the cooling water can take away more heat from the aluminum profile water, and the motor shell is rapidly cooled from top to bottom.

[0026] Please refer to Figures 1-4 The inner wall of the inner cooling groove 3 is provided with a corrugated groove, which is uniformly arranged in a screw array. The inside of the inner cooling groove 3 is fixedly provided with a threaded sleeve 31, which is tightly attached to the inner wall of the inner sleeve 13. The threaded sleeve 31 is provided with an end sleeve 311 at the top inner ring of the top shell 11. The end sleeve 311 is combined and sealed with the threaded sleeve 31. The end sleeve 311 is fixedly connected to the top inner ring of the top shell 11. The end sleeve 311 is provided with a water inlet pipe B32 at the end. The water inlet pipe B32 is in communication with the end sleeve 311 and the threaded sleeve 31. The bottom of the inner cooling groove 3 is provided with a water outlet pipe B33, which is in communication with the inner cooling groove 3.

[0027] Due to the cooperation between the inner cooling groove 3 and the threaded sleeve 31, more cooling water can enter the space between the inner cooling groove 3 and the threaded sleeve 31. After the cooling water enters the inner cooling groove 3 from the water inlet pipe B32, it is stirred by the corrugated groove, so that the cooling water fully exchanges heat with the aluminum profile water in the motor shell cavity 14 through the space of the inner sleeve 13. More cooling water entering the inside of the corrugated groove can take away more heat. Due to the existence of a certain thickness of the inner ring of the motor shell, the design of the inner cooling groove 3 and the corrugated groove can make the inner and outer rings of the motor shell be cooled synchronously, so that the temperature of the motor shell is rapidly cooled.

[0028] Please refer to Figures 1-4, the bottom shell 1 and the top shell 11 are detachable, the cross section of the bottom shell 1 is similar to a convex character, the cross section of the top shell 11 is similar to a concave character, the bottom shell 1 and the top shell 11 are sealed when they are combined, the outer cooling groove 2 in the bottom shell 1 is sealed with the outer cooling groove 2 in the top shell 11, after the melted aluminum material water is poured into the motor shell cavity 14 through the pouring hole 12, the aluminum material water fills the motor shell cavity 14, after waiting for a period of natural cooling, the cooling water circulating device is connected between the water inlet pipe A22, the water outlet pipe A23 and the water inlet pipe B32, the water outlet pipe B33, after the cooling water enters the inner part of the outer cooling groove 2, it flows downward along the thread type of the outer cooling groove 2, after contacting the stirring block 21, the cooling water is blocked by the stirring block 21, so that the cooling water forms a flocculation flow in the inner part of the outer cooling groove 2, the temperature field is more uniform, the cooling water and the heat emitted by the aluminum material water are completely and uniformly exchanged, so that the cooling water can take out more heat, realizing rapid cooling, the inner cooling groove 3 is provided with the same principle as the inner part of the outer cooling groove 2, the corrugated groove is opened, so that the cooling water flowing in the inner part of the inner cooling groove 3 is stirred between the corrugated groove and the threaded sleeve 31, so that the cooling water forms a flocculation flow, and the cooling water and the heat of the aluminum material water are fully exchanged.

[0029] Working principle: the melted aluminum material water is evenly poured into the motor shell cavity 14 through the pouring hole 12, after a period of natural cooling of the aluminum material water, the aluminum material water is preliminarily shaped, the cooling water circulating device is connected between the outer cooling groove 2 and the inner cooling groove 3, the cooling water is evenly poured into the inner part of the outer cooling groove 2 and the inner cooling groove 3, after the cooling water enters the inner part of the outer cooling groove 2, it is continuously stirred by the arrayed stirring block 21, so that the normal flow direction of the cooling water is disturbed by the stirring block 21, thereby forming a flocculation flow in the inner part of the outer cooling groove 2, the heat exchange between the cooling water and the motor shell is more complete, the temperature field is more uniform, the cooled water returns to the inner part of the circulating device through the water outlet pipe A23, after the cooling water enters the inner part of the inner cooling groove 3, it is continuously impacted by the corrugated groove, so that the normal flow direction of the cooling water is disturbed by the corrugated groove, the cooling water forms a flocculation flow in the inner part of the inner cooling groove 3, the cooling water stays for a longer time, the heat exchange with the motor shell is more sufficient, and the effect of uniform cooling and rapid cooling is achieved.

Claims

1. A casting cooling system for an electric motor housing, comprising a bottom shell (1), characterized in that: The top of the bottom shell (1) is movably sleeved with a top shell (11). The top of the top shell (11) is provided with a pouring hole (12). The inner ring of the bottom shell (1) is provided with an inner sleeve (13). A motor housing cavity (14) is provided between the inner wall of the bottom shell (1) and the outer wall of the inner sleeve (13). The pouring hole (12) is connected to the motor housing cavity (14). An outer cooling groove (2) is provided between the bottom shell (1) and the top shell (11). An inner cooling groove (3) is provided on the inner wall of the inner sleeve (13). Both the outer cooling groove (2) and the inner cooling groove (3) are threaded.

2. The motor housing casting cooling system according to claim 1, characterized in that: The bottom shell (1) and the top shell (11) are detachable. The cross-section of the bottom shell (1) is shaped like a convex character, and the cross-section of the top shell (11) is shaped like an inverted concave character. The bottom shell (1) and the top shell (11) are sealed together. The external cooling groove (2) inside the bottom shell (1) is sealed together with the external cooling groove (2) inside the top shell (11).

3. The motor housing casting cooling system according to claim 2, characterized in that: The bottom wall of the external cooling tank (2) is fixedly installed with a scrambling block (21), which is arranged in a uniform spiral array. The top of the external cooling tank (2) is provided with a water pipe A (22), which is connected to the interior of the external cooling tank (2). The bottom of the external cooling tank (2) is provided with a water outlet pipe A (23), which is connected to the interior of the external cooling tank (2).

4. The motor housing casting cooling system according to claim 3, characterized in that: The inner wall of the inner cooling tank (3) is provided with corrugated grooves, which are evenly arranged in a threaded array. A threaded sleeve (31) is fixedly installed inside the inner cooling tank (3). The threaded sleeve (31) is close to the inner wall of the inner sleeve (13). The threaded sleeve (31) is located on the top inner ring of the top shell (11) and is provided with an end sleeve (311). The end sleeve (311) and the threaded sleeve (31) are sealed together. The end sleeve (311) is fixedly connected to the top inner ring of the top shell (11). A water pipe B (32) is provided at the end of the end sleeve (311). The water pipe B (32) is connected to the end sleeve (311) and the threaded sleeve (31). A water outlet pipe B (33) is provided at the bottom of the inner cooling tank (3). The water outlet pipe B (33) is connected to the inner cooling tank (3).

Images