Die-casting die for engine oil pump shell

Abstract

The utility model discloses a die-casting die for an engine oil pump shell, which relates to the field of die manufacturing and comprises a base and a guide post fixedly mounted at the top of the base, a lower die body is fixedly mounted at the top of the base, an upper die body is movably mounted outside the guide post, and an ejection component is fixedly mounted at the top of the base. And the ejection assembly is located at the bottom of the lower mold body, connecting plates are slidably installed on the left side and the right side of the base correspondingly, and cooling assemblies are fixedly installed on the tops of the connecting plates. According to the utility model, the ejection assembly located at the bottom of the lower die body is arranged, after the guide column and the lower die body are combined for die-casting forming, the ejection assembly is operated and controlled to move, and the ejection assembly drives the part located at the bottom in the lower die body to move upwards to eject an oil pump shell located in the lower die body upwards; therefore, the oil pump shell can be conveniently separated from the lower die body, the material ejecting and stripping speed is increased, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of mold manufacturing, in particular to a die-casting mold for an engine oil pump housing. Background Art

[0002] Molds are various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, molds are tools used to make molded objects. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the shape of the object by changing the physical state of the molded material. In addition to the mold itself, it also requires a mold base, a mold frame, a mold core, and a part ejection device. These parts are generally made into universal types. The oil pump housing of the automobile engine is usually formed by die casting.

[0003] The existing die-casting mold for the engine oil pump housing is not convenient enough for the staff to remove the molded housing after die-casting. It is impossible to quickly separate the attached engine housing from the inner wall of the lower mold. The mold cooling effect is poor, the ejection time of the workpiece after processing is long, the injection molding efficiency is low, and the economic benefits are poor. Utility Model Content

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A die-casting mold for an engine oil pump housing comprises a base and a guide column fixedly mounted on the top of the base, a lower mold body fixedly mounted on the top of the base, an upper mold body movably mounted outside the guide column, an ejection assembly fixedly mounted on the top of the base, the ejection assembly is arranged at the bottom of the lower mold body, connecting plates are slidably mounted on both sides of the base, a cooling assembly is fixedly mounted on the top of the connecting plate, and the cooling assembly is arranged toward the lower mold body.

[0006] A further improvement of the technical solution of the utility model lies in that: the ejection assembly includes an installation frame, two threaded rotating rods are rotatably installed on the left and right sides of the interior of the installation frame, a driving motor located behind one of the threaded rotating rods is fixedly installed on the right side of the rear side of the installation frame, a bevel gear 1 is fixedly installed on the lower part of the outside of the threaded rotating rod, a bevel gear 2 meshing with the bevel gear 1 is fixedly installed on the front side of the output shaft of the driving motor, synchronous wheels are fixedly installed on the outside of the two threaded rotating rods, a synchronous toothed belt is movably installed on the outside of the synchronous wheels, sliding blocks are movably installed on the tops of the two threaded rotating rods, and a ejecting block is fixedly installed on the top of the sliding block.

[0007] A further improvement of the technical solution of the utility model is that the cooling assembly includes a connecting frame, a blowing channel is fixedly installed on the top of the connecting frame, a filter is fixedly installed on the outside of the blowing channel, a blowing fan is fixedly installed on the inside of the blowing channel, and a semiconductor refrigerator is fixedly installed inside the blowing channel.

[0008] A further improvement of the technical solution of the utility model is that the sliding block is arranged in a rectangular parallelepiped shape, and the top block is arranged in a circular shape.

[0009] A further improvement of the technical solution of the utility model is that: the bottom of the lower mold body is provided with openings corresponding to the sliding block and the top block respectively.

[0010] A further improvement of the technical solution of the utility model is that: the synchronous wheel is arranged above the bevel gear one and the bevel gear two.

[0011] A further improvement of the technical solution of the utility model is that: the sliding block is threadedly connected to the outside of the threaded rotating rod.

[0012] A further improvement of the technical solution of the utility model is that the heating surface of the semiconductor refrigerator faces the outside of the blowing channel.

[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0014] 1. The utility model provides a die-casting mold for an engine oil pump housing, which is provided with an ejector assembly located at the bottom of a lower mold body. After die-casting is performed by combining a guide column and a lower mold body, the ejector assembly is controlled by operation to make the ejector assembly movable, and the ejector assembly drives the part located at the bottom of the lower mold body to move upward to lift the oil pump housing located in the lower mold body upward, thereby facilitating the separation of the oil pump housing from the lower mold body, increasing the speed of ejection and removing the material, and improving the processing efficiency.

[0015] 2. The utility model provides a die-casting mold for an engine oil pump housing, which is provided with a cooling component on a connecting plate. The cooling component is located on the left and right sides of a lower mold body. External air is sucked in through the cooling component and blown toward the lower mold body and the housing inside the lower mold body after cooling. The molded oil pump housing and the lower mold body are cooled by cold air, and the molding is accelerated so that the mold can be put into production again quickly, thereby improving efficiency and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the die-casting mold of the engine oil pump housing of the utility model;

[0017] Figure 2 It is a front structural schematic diagram of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the ejection assembly of the utility model;

[0019] Figure 4 It is a cross-sectional structural diagram of the lower mold body and the ejection assembly of the utility model;

[0020] Figure 5 It is a schematic structural diagram of the cooling assembly of the utility model.

[0021] In the figure: 1. base; 2. guide column; 3. lower mold body; 4. upper mold body; 5. ejector assembly; 51. mounting frame; 52. threaded rotating rod; 53. drive motor; 54. bevel gear 1; 55. bevel gear 2; 56. synchronous wheel; 57. synchronous toothed belt; 58. sliding block; 59. ejector block; 6. connecting plate; 7. cooling assembly; 71. connecting frame; 72. blowing channel; 73. filter; 74. blowing fan; 75. semiconductor refrigerator. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below:

[0023] like Figures 1 to 5 As shown, the utility model provides a die-casting mold for an engine oil pump housing, including a base 1 and a guide column 2 fixedly installed on the top of the base 1, a lower mold body 3 is fixedly installed on the top of the base 1, an upper mold body 4 is movably installed outside the guide column 2, an ejection assembly 5 is fixedly installed on the top of the base 1, and the ejection assembly 5 is arranged at the bottom of the lower mold body 3, connecting plates 6 are slidably installed on the left and right sides of the base 1, a cooling assembly 7 is fixedly installed on the top of the connecting plate 6, and the cooling assembly 7 is arranged toward the lower mold body 3.

[0024] By providing an ejector assembly 5 located at the bottom of the lower mold body 3, after the guide column 2 and the lower mold body 3 are combined for die-casting, the ejector assembly 5 is controlled by operation to make the ejector assembly 5 movable, and the ejector assembly 5 drives the part located at the bottom of the lower mold body 3 to move upward to lift the oil pump housing located in the lower mold body 3 upward, thereby facilitating the separation of the oil pump housing from the lower mold body 3, increasing the speed of ejection and improving the processing efficiency. At the same time, by providing a cooling assembly 7 on the connecting plate 6, the cooling assembly 7 is located on the left and right sides of the lower mold body 3, and the external air is sucked in by the cooling assembly 7 and cooled, and then blown onto the lower mold body 3 and the housing in the lower mold body 3, and the formed oil pump housing and the lower mold body 3 are cooled by cold air, which speeds up the molding, so that it can be quickly put into production again, thereby improving efficiency and economic benefits.

[0025] like Figure 3 and Figure 4As shown, the ejection assembly 5 includes a mounting frame 51, two threaded rotating rods 52 are rotatably installed on the left and right sides inside the mounting frame 51, a driving motor 53 located behind one of the threaded rotating rods 52 is fixedly installed on the right side of the rear side of the mounting frame 51, a bevel gear 1 54 is fixedly installed below the outside of the threaded rotating rod 52, a bevel gear 2 55 meshing with the bevel gear 1 54 is fixedly installed on the front side of the output shaft of the driving motor 53, a synchronous wheel 56 is fixedly installed on the outside of the two threaded rotating rods 52, a synchronous toothed belt 57 is movably installed on the outside of the synchronous wheel 56, a sliding block 58 is movably installed on the top of the two threaded rotating rods 52, and a ejection block 59 is fixedly installed on the top of the sliding block 58.

[0026] The driving motor 53 is controlled to drive the bevel gear 2 55 located in the mounting frame 51 to rotate, and the rotation of the bevel gear 2 55 drives the bevel gear 1 54 to rotate, and the bevel gear 1 54 drives the threaded rotating rod 52 closer to the driving motor 53 to rotate, and the rotation of the threaded rotating rod 52 drives the external synchronous wheel 56 to cooperate with the synchronous toothed belt 57 to drive another threaded rotating rod 52 to rotate synchronously, and the rotation of the threaded rotating rod 52 drives the external sliding block 58 to drive the ejecting block 59 to move up along the threaded rotating rod 52 to eject the shell in the lower mold body 3 outward, thereby increasing the speed of ejecting and removing materials and improving processing efficiency.

[0027] like Figure 5 As shown, the cooling assembly 7 includes a connecting frame 71, a blowing channel 72 is fixedly installed on the top of the connecting frame 71, a filter screen 73 is fixedly installed on the outside of the blowing channel 72, a blowing fan 74 is fixedly installed on the inside of the blowing channel 72, and a semiconductor refrigerator 75 is fixedly installed inside the blowing channel 72.

[0028] By turning on the blowing fan 74, impurities are filtered out and inhaled air is filtered through the filter 73 on the outside of the blowing channel 72. The semiconductor refrigerator 75 located in the blowing channel 72 cools the incoming air and then blows it out to the shell in the lower mold body 3. The air cooled by the semiconductor refrigerator 75 is blown onto the oil pump shell through the blowing fan 74 to cool the mold, speed up molding, and quickly put into production again, thereby improving processing efficiency and economic benefits.

[0029] like Figure 3 and Figure 4 As shown, the sliding block 58 is arranged in a rectangular parallelepiped shape, and the top block 59 is arranged in a circular shape.

[0030] The bottom of the lower mold body 3 is provided with openings corresponding to the sliding block 58 and the top block 59 respectively.

[0031] The sliding block 58 arranged in a rectangular shape cooperates with the top block 59 to be located in the opening in the lower mold body 3. The sliding block 58 drives the top block 59 to move upward through the opening to facilitate separation of the oil pump housing from the lower mold body 3, thereby increasing the material removal speed and improving the processing efficiency.

[0032] like Figure 3 As shown, the synchronous wheel 56 is arranged above the bevel gear 1 54 and the bevel gear 2 55 .

[0033] The synchronous wheel 56 is arranged above the bevel gear 1 54 and the bevel gear 2 55 so that there is no influence between them during operation.

[0034] like Figure 4 As shown, the slide block 58 is threadedly connected to the exterior of the threaded rotating rod 52 .

[0035] The sliding block 58 is threadedly connected to the outside of the threaded rotating rod 52, and the sliding block 58 is driven to move upward by the rotation of the threaded rotating rod 52 to perform the ejection operation.

[0036] like Figure 5 As shown, the heat generating surface of the semiconductor cooler 75 faces the outside of the blowing passage 72 .

[0037] The heat cotton of the semiconductor cooler 75 is located outside the blowing channel 72, so that its cooling surface is located inside the blowing channel 72 to cool the passing air and blow it toward the shell and the lower mold body 3 to accelerate molding.

[0038] The following is a detailed description of the working principle of the die-casting mold for the engine oil pump housing.

[0039] like Figures 1 to 5As shown, after the upper mold body 4 and the lower mold body 3 are combined and the material is injected into the interior for die casting, the coolant is injected from the side of the lower mold body 3 into the lower mold body 3 for circulation and cooling, and then the bevel gear 2 55 located in the installation frame 51 is driven to rotate by controlling the driving motor 53, and the rotation of the bevel gear 2 55 drives the bevel gear 1 54 to rotate, and the bevel gear 1 54 drives the threaded rotating rod 52 closer to the driving motor 53 to rotate, and the rotation of the threaded rotating rod 52 drives the synchronous wheel 56 outside thereof to cooperate with the synchronous toothed belt 57 to drive the other threaded rotating rod 52 to rotate synchronously, and the threaded rotating rod 52 drives the synchronous wheel 56 to rotate synchronously. The rotation of the rod 52 drives the sliding block 58 outside it to drive the ejecting block 59 to move up along the threaded rotating rod 52 to eject the shell in the lower mold body 3 outward. At the same time, by turning on the blowing fan 74, the impurities are filtered out by the filter 73 on the outside of the blowing channel 72 to inhale air. The semiconductor refrigerator 75 is located in the blowing channel 72 to cool the incoming air and then blow it toward the shell in the lower mold body 3. The air cooled by the semiconductor refrigerator 75 is blown onto the oil pump shell through the blowing fan 74 to cool the mold, speed up the molding, and quickly put into production again, thereby improving the processing efficiency and economic benefits.

[0040] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A die-casting mold for an engine oil pump housing, comprising a base (1) and a guide column (2) fixedly mounted on the top of the base (1), a lower mold body (3) fixedly mounted on the top of the base (1), and an upper mold body (4) movably mounted outside the guide column (2), characterized in that: An ejection assembly (5) is fixedly mounted on the top of the base (1), and the ejection assembly (5) is arranged at the bottom of the lower mold body (3). Connecting plates (6) are slidably mounted on the left and right sides of the base (1), and a cooling assembly (7) is fixedly mounted on the top of the connecting plate (6). The cooling assembly (7) is arranged toward the lower mold body (3). The ejection assembly (5) includes a mounting frame (51), and two threaded rotating rods (52) are rotatably mounted on the left and right sides of the mounting frame (51). A driving motor (53) located behind one of the threaded rotating rods (52) is fixedly mounted on the right side of the rear side of the mounting frame (51), and a bevel gear (54) is fixedly mounted on the lower side of the outside of the threaded rotating rod (52). The front side of the output shaft of the driving motor (53) is A bevel gear 2 (55) meshing with a bevel gear 1 (54) is fixedly installed, a synchronous wheel (56) is fixedly installed on the outside of the two threaded rotating rods (52), a synchronous toothed belt (57) is movably installed on the outside of the synchronous wheel (56), a sliding block (58) is movably installed on the top of the two threaded rotating rods (52), a top block (59) is fixedly installed on the top of the sliding block (58), and the cooling component (7) includes a connecting frame (71), a blowing channel (72) is fixedly installed on the top of the connecting frame (71), a filter screen (73) is fixedly installed on the outside of the blowing channel (72), a blowing fan (74) is fixedly installed on the inside of the blowing channel (72), and a semiconductor refrigerator (75) is fixedly installed inside the blowing channel (72).

2. The die-casting mold for an engine oil pump housing according to claim 1, characterized in that: The sliding block (58) is arranged in a rectangular parallelepiped shape, and the top block (59) is arranged in a circular shape.

3. The die-casting mold for an engine oil pump housing according to claim 2, characterized in that: The bottom of the lower mold body (3) is provided with openings corresponding to the sliding block (58) and the top block (59) respectively.

4. The die-casting mold for an engine oil pump housing according to claim 1, characterized in that: The synchronous wheel (56) is arranged above the bevel gear 1 (54) and the bevel gear 2 (55).

5. The die-casting mold for an engine oil pump housing according to claim 1, characterized in that: The sliding block (58) is threadedly connected to the outside of the threaded rotating rod (52).

6. The die-casting mold for an engine oil pump housing according to claim 1, characterized in that: The heat generating surface of the semiconductor refrigerator (75) faces the outside of the blowing channel (72).

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