CN218532762U

CN218532762U - Piston casting mould

Info

Publication number: CN218532762U
Application number: CN202222629693.3U
Authority: CN
Inventors: 宋燕平; 花恒武; 王战利
Original assignee: Jiaozuo Max Power Technology Co ltd
Current assignee: Jiaozuo Max Power Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-28
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a piston casting mould, which comprises a fixed mould and a movable mould, wherein the movable mould is positioned above the fixed mould, a mould cavity is formed between the fixed mould and the movable mould, a jacket is arranged outside the mould cavity, a casting pipe is arranged on the left side of the movable mould, and the casting pipe is communicated with the mould cavity; the utility model discloses still be equipped with water cooling system and negative pressure system. Through the design of the inventor, the delivery pump, the water tank and the negative pressure fan can be used by a plurality of sets of moulds at the same time, so that the requirements of the existing market can be met, and better economic benefits are created.

Description

Piston casting mould

Technical Field

The utility model relates to a casting mould technical field especially relates to a piston casting mould.

Background

The mold is to form the structural shape of the part by using other easily-formed materials in advance, then put the part into a sand mold, so that a cavity with the same structural size as the part is formed in the sand mold, which is also called a film cavity, and pour a fluid liquid into the cavity, so that the part with the same structural shape as the mold can be formed after the liquid is cooled and solidified.

When the casting mold is used for processing the piston, the formed piston can be withdrawn from the casting mold after the casting liquid is cooled and solidified in the casting mold. The existing piston mold casting often has the following problems that firstly, the cooling time is slow after the mold casting, so that the subsequent production efficiency is low, and secondly, in the mold casting process, air exists in a film cavity, so that air holes exist in a cast and formed piston, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the inventors developed a piston casting mold based on their own rich experience accumulated in the technical field of casting molds.

In order to realize the purpose, the technical scheme of the utility model is that: a piston casting mold comprises a fixed mold and a movable mold, wherein the movable mold is positioned above the fixed mold, a mold cavity is formed between the fixed mold and the movable mold, a jacket is arranged on the outer side of the mold cavity, a casting pipe is arranged on the left side of the movable mold, and the casting pipe is communicated with the mold cavity; the water cooling system is provided with a conveying pump, a water pool is arranged on the left side of the conveying pump, a water inlet pipe is connected between the conveying pump and the water pool, a water inlet valve is arranged on the water inlet pipe, a water inlet main pipe is arranged at the outlet of the conveying pump, a water inlet main valve is arranged on the water inlet main pipe, a first water inlet branch pipe is connected to the water inlet main pipe, the first water inlet branch pipe is connected with the lower left side of a jacket, a first water outlet branch pipe is connected to the upper right side of the jacket, the tail end of the first water outlet branch pipe is connected with a water return main pipe, and the water return main pipe is connected with the bottom of the water pool; the negative pressure system comprises a negative pressure main pipe, and the tail end of the negative pressure main pipe is connected with a negative pressure fan.

Furthermore, a first negative pressure branch pipe is arranged on the right side of the movable mold, one end of the first negative pressure branch pipe is connected with the mold cavity, the other end of the first negative pressure branch pipe is connected with the negative pressure main pipe, and a first negative pressure branch valve is arranged on the first negative pressure branch pipe.

Furthermore, the right side of the casting mould is provided with a fixed mould, a movable mould, a water inlet branch pipe, a water outlet branch pipe and a negative pressure branch pipe which are the same in number.

Further, the suction force of the negative pressure fan is not less than minus 0.1mpa.

Furthermore, a first water outlet branch valve is arranged on the first water outlet branch pipe.

Further, the left and right sides of the fixed die are provided with concave blocks, the left and right sides of the movable die are provided with convex blocks, and the concave blocks are matched with the convex blocks in size.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses set up a clamp cover around the die cavity, the clamp cover is connected through first water inlet branch pipe and inlet manifold, and the heat in the die cavity is taken away in the flow that can pass through the rivers like this to reach the purpose of rapid cooling.

2. The utility model discloses a right side at the movable mould is equipped with first negative pressure branch pipe, the one end and the die cavity of first negative pressure branch pipe are connected, and the other end is connected with negative pressure manifold, when aluminium liquid gets into the die cavity through the casting tube, can start negative-pressure air fan in advance, can guarantee like this that the die cavity is in the state of a little negative pressure, can effectively avoid the piston product gassing when the casting, the effectual product percent of pass that has improved.

3. For further improvement mould casting efficiency, the inventor is in the utility model discloses in set up a delivery pump, pond and negative-pressure air fan, through inventor's design, the delivery pump, pond and negative-pressure air fan can supply many sets of moulds to use simultaneously, when using, only need with water inlet branch pipe and water inlet header union coupling, water outlet branch pipe and return water header union coupling, negative pressure branch pipe and negative pressure header union coupling can.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an assembled view of the mold.

Fig. 3 is an exploded view of the mold.

Reference numerals: 1. a fixed die, 2, a movable die, 3, a casting pipe, 4, a delivery pump, 5, a water inlet pipe, 6, a water inlet valve, 7, a water inlet main valve, 8, a water inlet main pipe, 9, a first water inlet branch pipe, 10, a first water inlet branch valve, 11, a first water outlet branch pipe, 12 and a first water outlet branch valve, 13, a water pool, 14, a water return main pipe, 15, a water return main valve, 16, a first negative pressure branch pipe, 17, a first negative pressure branch valve, 18, a negative pressure main pipe, 19, a negative pressure fan, 20, a jacket, 21, a mold cavity, 101, a convex block, 201 and a concave block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1-3, the piston casting mold comprises a fixed mold 1 and a movable mold 2, wherein the movable mold 2 is positioned above the fixed mold 1, a mold cavity 21 is formed between the fixed mold 1 and the movable mold 2, a jacket 20 is arranged on the outer side of the mold cavity 21, a casting pipe 3 is arranged on the left side of the movable mold 2, and the casting pipe 3 is communicated with the mold cavity 21; the water cooling system is provided with a conveying pump 4, a water tank 13 is arranged on the left side of the conveying pump 4, a water inlet pipe 5 is connected between the conveying pump 4 and the water tank 13, a water inlet valve 6 is arranged on the water inlet pipe 5, a water inlet main pipe 8 is arranged at an outlet of the conveying pump 4, a water inlet main valve 7 is arranged on the water inlet main pipe 8, a first water inlet branch pipe 9 is connected to the water inlet main pipe 8, the first water inlet branch pipe 9 is connected to the lower left side of a jacket 20, a first water outlet branch pipe 11 is connected to the upper right side of the jacket 20, the tail end of the first water outlet branch pipe 11 is connected to a water return main pipe 14, and the water return main pipe 14 is connected to the bottom of the water tank 13; the negative pressure system comprises a negative pressure main pipe 18, and the tail end of the negative pressure main pipe 18 is connected with a negative pressure fan 19.

In this embodiment, a first negative pressure branch pipe 16 is disposed on the right side of the movable mold 2, one end of the first negative pressure branch pipe 16 is connected to the mold cavity 21, the other end is connected to the negative pressure main pipe 18, and a first negative pressure branch valve 17 is disposed on the first negative pressure branch pipe 16.

In this embodiment, the right side of the casting mold is provided with the same number of the fixed mold 1, the movable mold 2, the water inlet branch pipe, the water outlet branch pipe and the negative pressure branch pipe.

In this embodiment, the suction force of the negative pressure fan 19 is not less than minus 0.1mpa.

In this embodiment, a first branch outlet valve 12 is disposed on the first branch outlet pipe 11.

In this embodiment, concave blocks 201 are arranged on the left side and the right side of the fixed die 1, convex blocks 101 are arranged on the left side and the right side of the movable die 2, and the concave blocks 201 are matched with the convex blocks 101 in size.

The utility model discloses when specifically using, at first place movable mould 2 on cover half 1, at this moment, lug 101 just in time is located concave block 201. Starting the negative pressure fan 19, observing that the suction force of the negative pressure fan 19 is not less than minus 0.1mpa, opening the first negative pressure branch pipe 16, then adding aluminum liquid into the mold cavity 21 through the casting pipe 3, and closing the negative pressure fan 19 after the mold cavity 21 is filled with the aluminum liquid. The first water inlet branch pipe 9 and the first water outlet branch pipe 11 are opened in sequence, the delivery pump 4 is started, cooling water in the water tank 13 enters the jacket 20 through the water inlet main pipe 8 and the first water inlet branch pipe 9 in sequence, and then flows back to the water tank 13 through the first water outlet branch pipe 11 and the water return main pipe 14, and in the cooling process, a field operator needs to closely observe the water temperature of the water tank 13 to prevent the water temperature from being too high and affecting the cooling effect.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, but does 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 thus, should not be construed as limiting the present invention.

It should be noted that the above-mentioned embodiments are illustrative and not restrictive of the technical solutions of the present invention, and equivalents of those skilled in the art or other modifications made according to the prior art are intended to be included within the scope of the claims of the present invention as long as they do not exceed the spirit and scope of the technical solutions of the present invention.

Claims

1. A piston casting mould which characterized in that: the die comprises a fixed die and a movable die, wherein the movable die is positioned above the fixed die, a die cavity is formed between the fixed die and the movable die, a jacket is arranged on the outer side of the die cavity, a casting pipe is arranged on the left side of the movable die, and the casting pipe is communicated with the die cavity;

the water cooling system is provided with a conveying pump, a water pool is arranged on the left side of the conveying pump, a water inlet pipe is connected between the conveying pump and the water pool, a water inlet valve is arranged on the water inlet pipe, a water inlet main pipe is arranged at the outlet of the conveying pump, a water inlet main valve is arranged on the water inlet main pipe, a first water inlet branch pipe is connected to the upper left of the jacket, a first water outlet branch pipe is connected to the upper right of the jacket, the tail end of the first water outlet branch pipe is connected with a water return main pipe, and the water return main pipe is connected with the bottom of the water pool;

the negative pressure system comprises a negative pressure main pipe, and the tail end of the negative pressure main pipe is connected with a negative pressure fan.

2. A piston casting mold according to claim 1, wherein: the right side of the movable mold is provided with a first negative pressure branch pipe, one end of the first negative pressure branch pipe is connected with the mold cavity, the other end of the first negative pressure branch pipe is connected with the negative pressure main pipe, and a first negative pressure branch valve is arranged on the first negative pressure branch pipe.

3. A piston casting mold according to claim 1 or 2, wherein: the right side of the casting mould is provided with a fixed mould, a movable mould, a water inlet branch pipe, a water outlet branch pipe and a negative pressure branch pipe which are the same in number.

4. A piston casting mold according to claim 1, wherein: the suction force of the negative pressure fan is not less than negative 0.1mpa.

5. A piston casting mold according to claim 1, wherein: and a first water outlet branch valve is arranged on the first water outlet branch pipe.

6. A piston casting mold according to claim 1, wherein: the left and right sides of cover half is equipped with the concave block, the left and right sides of movable mould is equipped with the lug, the size looks adaptation of concave block and lug.