Casting mold for gearbox shell

Abstract

The utility model relates to the technical field of gearboxes, and discloses a gearbox shell casting mould which comprises a mould body, the mould body comprises a lower mould and an upper mould, a water tank is sleeved on the outer side of the mould body, a bottom plate is arranged below the water tank, water pipes are respectively installed on the upper portions of the outer walls of two opposite sides of the water tank, and a plurality of groups of guide pipes are installed on the water pipes. A vibration motor is installed in the middle of the upper side of the bottom plate, and the output end of the vibration motor is connected with the lower side of the water tank. Compared with the prior art, the cooling device has the advantages that the water pipes on the two sides of the water tank are matched with the guide pipes, so that cooling water is continuously conveyed, and casting parts in the mold body can be rapidly cooled; the water tank is vibrated through the vibration motor, the vibration force is transmitted to the mold body through the water tank, and the situation that many gaps exist after casting parts are formed is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a casting mold for a gear box housing. Background Art

[0002] With the development of my country's economy, rail transit has entered a period of rapid development, which has also brought about a sharp increase in demand for heavy-duty locomotives, fast passenger cars and other rail transit vehicles. Modern rail transit vehicles are developing in the direction of safety, high speed, energy saving, environmental protection, high efficiency, comfort and beauty. At present, the casting of gearboxes for locomotive drive devices mainly adopts low-pressure casting molds. Low-pressure casting molds are a kind of mold used for industrial products to be formed by pressure casting. Molten metal is filled into the mold cavity under a certain pressure and solidified while maintaining pressure to form parts.

[0003] The existing molds have the following problems:

[0004] 1. Generally, there are problems of slow cooling and slow molding;

[0005] 2. There are many gaps after molding.

[0006] In this regard, a casting mold for a gear box housing is proposed to solve the above problems. Utility Model Content

[0007] 1. Technical Problems Solved

[0008] The technical problems to be solved by the utility model are slow cooling, slow molding and relatively many gaps after molding.

[0009] 2. Technical Solution

[0010] In order to solve the above technical problems, the technical solution provided by the utility model is: a casting mold for a gear box housing, including a mold body, the mold body including a lower mold and an upper mold, a water tank is sleeved on the outside of the mold body, a bottom plate is provided under the water tank, water pipes are respectively installed on the upper parts of the outer walls on opposite sides of the water tank, multiple groups of conduits are installed on the water pipes, the other ends of the conduits pass through the interior of the water tank, multiple groups of rectangular frames are installed at the bottom of the water tank, multiple groups of damping rods and springs are installed on the lower side of the rectangular frames, support plates are connected between the multiple groups of damping rods and the lower side of the springs, a vibration motor is installed on the middle part of the upper side of the bottom plate, and the output end of the vibration motor is connected to the lower side of the water tank.

[0011] As an improvement, mounting rings are respectively installed on the edges of the sides where the lower mold and the upper mold are close to each other, and a positioning ring is installed on the upper part of the inner wall of the water tank. The lower side of the mounting ring is in contact with the upper side of the positioning ring, and multiple groups of bolts are installed between the two groups of mounting rings, and the lower ends of the bolts are connected to the positioning rings with matching threads.

[0012] As an improvement, a pouring pipe is installed through the upper mold, and a plurality of groups of top risers are provided on the upper mold.

[0013] As an improvement, multiple sets of rotating shafts are rotatably installed between the lower parts of the two opposite side walls of the water tank, the axial direction of the rotating shafts is perpendicular to the axial direction of the water pipes, multiple sets of blades are installed on the outside of the rotating shafts, and a motor for driving the rotating shafts is installed on the outside of the water tank.

[0014] As an improvement, a plurality of positioning frames for cooperating with the support plates to be inserted are installed on the upper side of the bottom plate.

[0015] As an improvement, a restraining belt is installed on the upper side of the bottom plate, and the other end of the restraining belt passes through the rectangular frame and is installed with a mounting strip, and the mounting strip is connected to the upper side of the bottom plate.

[0016] As an improvement, a water guide pipe is installed on one side of the water pipe.

[0017] 3. Beneficial Effects

[0018] The advantages of the utility model compared with the prior art are:

[0019] 1. A water tank is installed outside the mold body, and the water pipes and conduits on both sides of the water tank are used to continuously transport cooling water, so that the casting parts inside the mold body can be quickly cooled;

[0020] 2. The mold body is supported by multiple sets of springs and damping rods, so that the water tank can move up and down slightly. The water tank is vibrated by a vibration motor, and the vibration force is transmitted to the mold body through the water tank to prevent a large number of gaps after the casting parts are formed. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a structural schematic diagram of a casting mold for a gear box housing.

[0022] Figure 2 The utility model is a schematic diagram of the mold body structure of a casting mold for a gear box housing.

[0023] Figure 3 The utility model is a schematic diagram of a water tank structure of a casting mold for a gear box housing.

[0024] Figure 4 The utility model is a schematic diagram of the upper structure of a bottom plate of a casting mold for a gear box housing.

[0025] As shown in the figure: 1. Mold body; 101. Lower mold; 102. Upper mold; 103. Injection pipe; 104. Top riser; 105. Mounting ring; 106. Bolt; 2. Water tank; 3. Positioning ring; 4. Water pipe; 5. Conduit; 6. Water guide pipe; 7. Rectangular frame; 8. Spring; 9. Damping rod; 10. Support plate; 11. Positioning frame; 12. Vibration motor; 13. Restraint belt; 14. Mounting strip; 15. Rotating shaft; 16. Motor; 17. Blade; 18. Bottom plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] Embodiment 1

[0028] As attached Figure 1 , Attachment Figure 3 and attached Figure 4 As shown, a casting mold for a gear box housing includes a mold body 1, a water tank 2 is sleeved on the outside of the mold body 1, a bottom plate 18 is provided under the water tank 2, water pipes 4 are respectively installed on the upper parts of the outer walls on both sides of the water tank 2, a plurality of groups of conduits 5 are installed on the water pipes 4, and the other ends of the conduits 5 pass through the inside of the water tank 2, a plurality of groups of rectangular frames 7 are installed at the bottom of the water tank 2, a plurality of groups of damping rods 9 and springs 8 are installed on the lower side of the rectangular frames 7, a support plate 10 is connected between the plurality of groups of damping rods 9 and the lower sides of the springs 8, a vibration motor 12 is installed in the middle part of the upper side of the bottom plate 18, and the output end of the vibration motor 12 is connected to the lower side of the water tank 2.

[0029] Through the above structure, coolant is fed into the water tank 2 through the water pipe 4 and multiple groups of conduits 5 on one side, the coolant is continuously fed and flows to the other side, and the coolant after heat exchange with the mold body 1 is discharged from the water tank 2 through the water pipe 4 and multiple groups of conduits 5 on the other side, so as to realize the circulation of the coolant inside the water tank 2, which has a good cooling effect on the casting parts. The support plate 10 is supported on the upper side of the bottom plate 18, so that the water tank 2 is kept stable on the upper side of the bottom plate 18, and the water tank 2 can be moved up and down slightly through multiple groups of damping rods 9 and springs 8. The vibration force is transmitted to the water tank 2 through the output point of the vibration motor 12, so that the water tank 2 vibrates slightly, and the water tank 2 transmits the vibration force to the mold body 1, vibrates the perfusion liquid inside the mold body 1, and prevents the casting parts from having more gaps after molding. The specific structure is as follows:

[0030] Combined with Figure 2 and attached Figure 3 As shown, the mold body 1 includes a lower mold 101 and an upper mold 102, and mounting rings 105 are respectively installed at the edges of the lower mold 101 and the upper mold 102 that are close to each other. A positioning ring 3 is installed on the upper part of the inner wall of the water tank 2, and the lower side of the mounting ring 105 is in contact with the upper side of the positioning ring 3. A plurality of groups of bolts 106 are installed through the two groups of mounting rings 105, and the lower ends of the bolts 106 are connected to the positioning ring 3 with matching threads. A perfusion pipe 103 is installed through the upper mold 102, and a plurality of groups of top risers 104 are provided on the upper mold 102.

[0031] Through the above structure, after the lower mold 101 and the upper mold 102 are aligned, multiple groups of bolts 106 are passed through the two groups of mounting rings 105, and then the lower ends of the bolts 106 are passed into the interior of the positioning ring 3, and the mold body 1 is installed inside the water tank 2. The perfusion liquid is injected into the mold body 1 through the perfusion pipe 103, and the perfusion of various parts inside the mold body 1 is determined by the multiple groups of top risers 104.

[0032] Combined with Figure 4 As shown, a plurality of positioning frames 11 for inserting into the supporting plates 10 are installed on the upper side of the base plate 18, a restraining belt 13 is installed on the upper side of the base plate 18, the other end of the restraining belt 13 passes through the rectangular frame 7 and is installed with a mounting strip 14, the mounting strip 14 is connected to the upper side of the base plate 18, and a water pipe 6 is installed on one side of the water pipe 4.

[0033] Through the above structure, by installing the support plate 10 into the positioning frame 11, the support plate 10 can be prevented from sliding on the upper side of the base plate 18. The restraint belt 13 passes through the rectangular frame 7, and the mounting strip 14 is connected to the upper side of the base plate 18. The rectangular frame 7 is pulled downward by the restraint belt 13 to prevent the support plate 10 from detaching from the inside of the positioning frame 11.

[0034] Embodiment 2

[0035] Based on Example 1, please refer to the attached Figure 3 A plurality of rotating shafts 15 are rotatably installed between the lower parts of the two opposite side walls of the water tank 2. The axial direction of the rotating shaft 15 is perpendicular to the axial direction of the water pipe 4. A plurality of blades 17 are installed on the outer side of the rotating shaft 15. A motor 16 for driving the rotating shaft 15 is installed on the outer side of the water tank 2.

[0036] Through the above structure of the second embodiment, the motor 16 drives the rotating shaft 15 to rotate, and the multiple sets of blades 17 on the outer side of the rotating shaft 15 rotate to drive the coolant at the bottom of the water tank 2 to flow, so that the coolant flows from the liquid inlet side to the liquid discharge side, thereby improving the cooling effect of the coolant.

[0037] 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.

[0038] Although 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.

[0039] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A casting mold for a gearbox housing, comprising a mold body (1), wherein the mold body (1) comprises a lower mold (101) and an upper mold (102), characterized in that: A water tank (2) is sleeved on the outside of the mold body (1), a bottom plate (18) is provided below the water tank (2), water pipes (4) are respectively installed on the upper parts of the outer walls on opposite sides of the water tank (2), multiple groups of guide tubes (5) are installed on the water pipes (4), and the other ends of the guide tubes (5) pass through the inside of the water tank (2), multiple groups of rectangular frames (7) are installed at the bottom of the water tank (2), multiple groups of damping rods (9) and springs (8) are installed on the lower side of the rectangular frames (7), and support plates (10) are connected between the multiple groups of damping rods (9) and the lower sides of the springs (8), and a vibration motor (12) is installed in the middle part of the upper side of the bottom plate (18), and the output end of the vibration motor (12) is connected to the lower side of the water tank (2).

2. A casting mold for a gearbox housing according to claim 1, characterized in that: A mounting ring (105) is respectively installed at the edge of one side where the lower mold (101) and the upper mold (102) are close to each other, and a positioning ring (3) is installed on the upper part of the inner wall of the water tank (2). The lower side of the mounting ring (105) is in contact with the upper side of the positioning ring (3). A plurality of groups of bolts (106) are installed between the two groups of mounting rings (105), and the lower ends of the bolts (106) are connected to the positioning ring (3) by matching threads.

3. The casting mold for a gearbox housing according to claim 1, characterized in that: A pouring pipe (103) is installed through the upper mold (102), and a plurality of groups of top risers (104) are provided on the upper mold (102).

4. The casting mold for a gear box housing according to claim 1, characterized in that: A plurality of rotating shafts (15) are rotatably mounted between the lower portions of the two opposite side walls of the water tank (2); the axial direction of the rotating shafts (15) is perpendicular to the axial direction of the water pipe (4); a plurality of blades (17) are mounted on the outer side of the rotating shafts (15); and a motor (16) for driving the rotating shafts (15) is mounted on the outer side of the water tank (2).

5. The casting mold for a gearbox housing according to claim 1, characterized in that: A plurality of positioning frames (11) for inserting into the matching support plates (10) are installed on the upper side of the bottom plate (18).

6. The casting mold for a gear box housing according to claim 1, characterized in that: A restraining belt (13) is installed on the upper side of the bottom plate (18); the other end of the restraining belt (13) passes through the rectangular frame (7) and is installed with a mounting strip (14); the mounting strip (14) is connected to the upper side of the bottom plate (18).

7. The casting mold for a gear box housing according to claim 1, characterized in that: A water guide pipe (6) is installed on one side of the water pipe (4).

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