CN215998584U

CN215998584U - Automobile engine lower cylinder body casting device with exhaust structure

Info

Publication number: CN215998584U
Application number: CN202121739873.6U
Authority: CN
Inventors: 曾健威; 赵洪付; 胡荣辉
Original assignee: Zhejiang Tianya Jiangtao Power Co ltd
Current assignee: Zhejiang Tianya Jiangtao Power Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-11
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a casting device of a lower cylinder body of an automobile engine with an exhaust structure, which comprises: the die comprises a base, a lower die holder and a die cavity, wherein the upper end of the base is fixedly provided with the lower die holder, and the lower die holder is internally provided with the die cavity; the melting furnace is arranged inside the base, and the upper end of the melting furnace is connected with a melting liquid inlet pipe; the single bodies of the first hydraulic rods are respectively and fixedly arranged on the left side and the right side of the lower die base; and the second hydraulic rod is fixedly arranged on the left end surface of the lower die holder, the left end of the second hydraulic rod is connected with a connecting block, and an exhaust channel arranged at the left side position of the lower end surface of the upper die holder is arranged above the air bleeding mechanism. This cylinder casting device under automobile engine with exhaust structure has better exhaust structure, makes the closed target in place of upper and lower mould, and the pouring is even, has solved the problem that current cylinder casting device under the engine is not convenient for control keeps away from the temperature of watering the position, very easily produces the casting defect.

Description

Automobile engine lower cylinder body casting device with exhaust structure

Technical Field

The utility model relates to the technical field of automobile engines, in particular to a casting device for a lower cylinder body of an automobile engine with an exhaust structure.

Background

The lower cylinder body is an important part on an automobile engine, the upper part of the lower cylinder body is connected with the cylinder body and the lower part of the lower cylinder body is connected with an oil sump, a crankshaft is arranged between the cylinder body and the lower cylinder body, and the lower cylinder body is characterized in that: the casting device works at a high temperature, bears a large thermal shock effect and a large force, has severe working conditions, and has high requirement on air tightness of the lower cylinder body, so the lower cylinder body needs to be cast and molded;

the engine cylinder casting mold comprises a workbench, wherein supporting legs which are vertically arranged are connected to four corners of the bottom of the workbench through screws, a horizontally arranged sliding groove is formed in the outer wall of the top end of the workbench, a left mold and a right mold are connected to the workbench through sliding grooves respectively, a clamping groove is formed in the outer wall of one side of the left mold, a perforation which is horizontally arranged is formed in the outer wall of one side of the left mold, a bolt is inserted into the inner wall of the perforation, the length of the bolt is larger than that of the perforation, a groove is formed in the outer wall of one side of the right mold opposite to the left mold, a connecting plate is connected to the inner sliding portion of the groove in a sliding mode, a positioning hole is formed in the outer wall of one side of the connecting plate, and the aperture of the positioning hole is matched with the diameter of the bolt. The utility model has simple structure, can tightly connect the left die and the right die, does not influence the forming quality of the engine cylinder body, and improves the compactness of the engine cylinder body.

However, the above prior art solutions have the following drawbacks: the lower cylinder body casting device for the automobile engine is not provided with a good exhaust structure, so that the air pressure in a closed space of an upper mold and a lower mold is easy to be overlarge, the closed position is not in place, the casting is not uniform, the temperature far away from a pouring gate part is not convenient to control, and the casting defect is easily generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a casting device for a lower cylinder of an automobile engine with an exhaust structure, which aims to solve the problems that the existing casting device for the lower cylinder of the engine in the background art does not have a good exhaust structure, so that the air pressure in a closed space of an upper die and a lower die is easy to be overlarge, the closing is not in place, the pouring is not uniform, the temperature far away from a pouring gate is not convenient to control, and the casting defect is easy to generate.

In order to achieve the purpose, the utility model provides the following technical scheme: an automobile engine lower cylinder casting device with an exhaust structure, comprising:

the cooling device comprises a base, a lower die base and a cooling pipe, wherein the upper end of the base is fixedly provided with the lower die base, the upper end of the lower die base is connected with an upper die base, the cooling pipe playing a cooling role is arranged inside the upper die base, a forming cavity is formed inside the lower die base, and the left end face of the lower die base is provided with a barometer;

the upper end of the melt furnace is connected with a melt inlet pipe, and the upper end of the melt inlet pipe is connected with a pouring channel arranged in the lower die base;

the single bodies of the first hydraulic rods are fixedly arranged on the left side and the right side of the lower die base respectively, the first hydraulic rods are arranged on the upper end face of the base, and the upper ends of the first hydraulic rods are provided with top seats which play a supporting role;

the second hydraulic rod is fixedly arranged on the left end face of the lower die base, the left end of the second hydraulic rod is connected with a connecting block, an air discharging mechanism is fixedly arranged at the upper end of the connecting block, and an air discharging channel which is arranged at the left side position of the lower end face of the upper die base is arranged above the air discharging mechanism.

Preferably, the groove-shaped structures are arranged at the left side position of the upper end face of the lower die holder and the left side position of the lower end face of the upper die holder, and the lower die holder is in sliding connection with the air bleeding mechanism through the groove-shaped structures.

Preferably, the upper ends of the pouring channels are uniformly distributed on the lower end surface of the forming cavity and play a role in uniform grouting.

Preferably, the air release mechanism consists of a blocking pipe and a connecting hole;

the plugging pipe is arranged at the left side position of the upper end surface of the lower die holder;

and the connecting hole is formed in the upper end face of the plugging pipe.

Preferably, the plugging pipe and the upper die base form a sliding connection, and the connecting holes are arranged on the upper end face of the plugging pipe at equal intervals.

Preferably, the longitudinal section of the exhaust passage is arranged in a comb-tooth shape and plays a role of connecting the connecting holes.

Compared with the prior art, the utility model has the beneficial effects that: the casting device for the lower cylinder body of the automobile engine with the exhaust structure has a good exhaust structure, so that the upper mold and the lower mold are closed in place and cast uniformly, and the problems that the temperature far away from a pouring channel part is inconvenient to control and casting defects are easily generated in the existing casting device for the lower cylinder body of the engine are solved;

1. the connecting block and the air bleeding mechanism are driven to move left by the extension of the second hydraulic rod, so that the connecting hole is connected with the through hole at the lower end of the air bleeding channel, the gas overflowing from the joint of the lower die holder and the upper die holder is discharged, the connection tightness of the lower die holder and the upper die holder is improved, and the air bleeding mechanism has a good air bleeding structure, so that the upper die and the lower die are closed in place;

2. the upper die base, the pouring channel and the molten liquid inlet pipe are arranged, the upper end of the pouring channel is uniformly distributed on the lower end face of the forming cavity, the effect of uniform grouting is achieved, the pouring is uniform, good feeding is conveniently ensured to be obtained at all positions of a casting, and the practicability is better;

3. be equipped with cooling tube, one-tenth die cavity and cooling tube, evenly be provided with the cooling tube that is located the one-tenth die cavity top through the inside of upper die base, the convenience is cooled down terminal surface under the upper die base, has solved under the current engine cylinder body casting device and has not been convenient for control and keep away from the temperature at watering the position, very easily produces the problem of casting defect.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic structural view of the lower die holder and the upper die holder in FIG. 1 in a separated state;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view showing the entire structure of the air bleeding mechanism of the present invention.

In the figure: 1. a base; 2. a lower die holder; 3. an upper die holder; 4. a melt furnace; 5. feeding the molten liquid into a pipe; 6. pouring a channel; 7. a molding cavity; 8. a first hydraulic lever; 9. a top seat; 10. a cooling pipe; 11. an air release mechanism; 1101. plugging the pipe; 1102. connecting holes; 12. connecting blocks; 13. a second hydraulic rod; 14. an exhaust passage; 15. a barometer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automobile engine lower cylinder casting device with an exhaust structure, comprising: the upper end of the base 1 is fixedly provided with a lower die holder 2, the upper end of the lower die holder 2 is connected with an upper die holder 3, a cooling pipe 10 for cooling is arranged in the upper die holder 3, the temperature of the part far away from a pouring gate is convenient to control through the cooling pipe 10, the thick part of a casting is solidified at first, the tissue of the part is ensured to be fine, a forming cavity 7 is arranged in the lower die holder 2, the left end face of the lower die holder 2 is provided with a barometer 15, and the temperature in the forming cavity 7 is convenient to detect through the barometer 15;

the inner part of the base 1 is provided with a melt furnace 4, the upper end of the melt furnace 4 is connected with a melt inlet pipe 5, the upper end of the melt inlet pipe 5 is connected with a pouring channel 6 arranged in the lower die holder 2, uniform pouring is facilitated through the pouring channel 6, it is ensured that a casting is well fed everywhere, the left side and the right side of the lower die holder 2 are both fixedly provided with first hydraulic rods 8, the first hydraulic rods 8 are arranged on the upper end surface of the base 1, the upper end of the first hydraulic rods 8 is provided with a top seat 9 playing a supporting role, the upper die holder 3 is conveniently lifted through the first hydraulic rods 8 and the top seat 9, the left end surface of the lower die holder 2 is fixedly provided with a second hydraulic rod 13, the left end of the second hydraulic rod 13 is connected with a connecting block 12, the upper end of the connecting block 12 is fixedly provided with an air bleeding mechanism 11, and an exhaust channel 14 arranged on the left side of the lower end surface of the upper die holder 3 is arranged above the air bleeding mechanism 11, the venting of the forming chamber 7 is facilitated by the connecting piece 12, the second hydraulic rod 13 and the venting channel 14.

When the automobile engine lower cylinder body casting device with the exhaust structure is used, firstly, casting hot solution is poured into a molding cavity 7 through a melt furnace 4, a melt inlet pipe 5 and a pouring channel 6, specifically, as shown in fig. 1 and 2, the casting hot solution is uniformly distributed on the lower end surface of the molding cavity 7 through the upper end of the pouring channel 6, so that the effect of uniform pouring is achieved, and all parts of a casting are ensured to be well fed, and the temperature of the part far away from a pouring gate is conveniently controlled by uniformly arranging cooling pipes 10 at the upper position in the upper die base 3, so that the thick part of the casting is firstly solidified, and the tissue of the part is ensured to be fine;

specifically, as shown in fig. 1, fig. 3 and fig. 4, a groove-shaped structure is formed in the left side position of the upper end face of the lower die holder 2 and the left side position of the lower end face of the upper die holder 3, the lower die holder 2 and the upper die holder 3 are in sliding connection with the air bleeding mechanism 11, meanwhile, the connecting holes 1102 are arranged on the upper end face of the plugging pipe 1101 at equal intervals, and the longitudinal section of the exhaust passage 14 is in a comb-tooth shape, when the forming cavity 7 is exhausted, the second hydraulic rod 13 extends to drive the connecting block 12 and the air bleeding mechanism 11 to move left, so that the connecting holes 1102 are connected with the through holes at the lower end of the exhaust passage 14, and accordingly, gas overflowing from the joint of the lower die holder 2 and the upper die holder 3 is exhausted, the tightness of the connection between the lower die holder 2 and the upper die holder 3 is improved, and the use method of the casting device for the lower cylinder of the automobile engine with the exhaust structure is provided.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a cylinder casting device under automobile engine with exhaust structure which characterized in that: the method comprises the following steps:

2. The casting device for the lower cylinder block of the automobile engine having the exhaust structure as set forth in claim 1, wherein: the left side position of the upper end face of the lower die holder and the left side position of the lower end face of the upper die holder are both provided with groove-shaped structures, and the lower die holder is in sliding connection with the air bleeding mechanism through the groove-shaped structures.

3. The casting device for the lower cylinder block of the automobile engine having the exhaust structure as set forth in claim 1, wherein: the upper end of the pouring channel is uniformly distributed on the lower end face of the molding cavity and plays a role in uniform grouting.

4. The casting device for the lower cylinder block of the automobile engine having the exhaust structure as set forth in claim 1, wherein: the air release mechanism consists of a plugging pipe and a connecting hole;

and the connecting hole is formed in the upper end face of the plugging pipe.

5. The casting device for the lower cylinder block of the automobile engine having the exhaust structure as set forth in claim 4, wherein: the plugging pipe and the upper die base are connected in a sliding mode, and the connecting holes are formed in the upper end face of the plugging pipe at equal intervals.

6. The casting device for the lower cylinder block of the automobile engine having the exhaust structure as set forth in claim 1, wherein: the longitudinal section of the exhaust channel is arranged in a comb-tooth shape and plays a role in connecting the connecting holes.