CN206169241U - Runner equipment of motormeter dish support - Google Patents

Abstract

The utility model provides a sprue device for an automobile instrument panel support, which includes a booster device, a material barrel, a die-casting area for the instrument panel support, a first main runner, a second main runner, a third A main runner, a fourth main runner and several exhaust pipes; among them, the first main runner and the second main runner are symmetrically distributed on both sides of the barrel, and the third main runner is symmetrical to the fourth main runner Distributed on both sides of the barrel; the end of the third main runner close to the barrel communicates with the end of the fourth main runner close to the barrel. Through the application of the utility model, the distribution of each main runner and exhaust pipe is reasonably arranged, so that the speed of liquid passing through the gate is accelerated and the amount of liquid entering the die-casting area of the instrument panel bracket is sufficient, which slows down the rapid flow of liquid. Cooling improves the timeliness and completeness of filling the entire casting.

Description

Gate equipment for car dashboard bracket

technical field

The utility model relates to a sprue device for an automobile instrument panel bracket.

Background technique

In the past, the instrument panel bracket in the car was generally formed by welding steel. Since the weight of the casting formed by welding steel is 10kg, it has an impact on gasoline consumption. And because the central control bracket module was originally welded by several kinds of iron parts, it is affected by the spatial shape and thermal deformation, and the dimensional accuracy is poor.

In the prior art, it is formed by one-time die-casting. However, when the magnesium alloy material is used to die-cast the instrument panel bracket, due to the small heat capacity of the magnesium alloy material and the rapid cooling of the magnesium liquid, the casting of the instrument panel bracket is prone to defects such as cracks, cold shuts, and shrinkage cavities. , and the density is low, which seriously affects the appearance quality, resulting in a low yield rate of the magnesium alloy instrument panel bracket and increasing the cost.

Utility model content

The technical problem to be solved by the utility model is to provide a sprue device for an automobile instrument panel bracket in order to overcome the defects of low density, poor appearance quality, low yield and high cost in the prior art.

The utility model solves the problems of the technologies described above through the following technical solutions:

A sprue device for an automobile instrument panel bracket, which is characterized in that it includes a booster device, a material barrel, a die-casting area for an instrument panel bracket, a first main runner, a second main runner, a third Main runner, a fourth main runner and several exhaust pipes;

The pressurizing device is communicated with the barrel;

The die-casting area of the instrument panel bracket includes a right partition, a middle section and a left section connected in sequence, and the right partition and the left partition are arranged symmetrically and are perpendicular to the middle section;

One end of the first main runner communicates with the barrel, and the other end communicates with the front side of the right partition;

One end of the second main runner and the third main runner are connected to the barrel, and the other end is connected to the front side of the middle area;

One end of the fourth main runner communicates with the barrel, and the other end communicates with the front side of the left partition;

The exhaust pipe is connected to the right partition and the left partition, and the exhaust pipe is wavy;

Wherein, the first main runner and the second main runner are symmetrically distributed on both sides of the barrel, and the third main runner and the fourth main runner are symmetrically distributed on the barrel the two sides of the barrel; the end of the third main runner close to the barrel communicates with the end of the fourth main runner close to the barrel.

Through the utility model, according to the specific shape and structure of the instrument panel bracket, the distribution of each main runner and exhaust pipe is reasonably arranged, so that during die casting, the speed of liquid passing through the gate is accelerated and the amount of liquid enters the instrument panel bracket The amount of the die-casting area is sufficient, which slows down the rapid cooling of the liquid and improves the timeliness and integrity of the filling of the entire casting.

Preferably, the right partition includes a connected and vertical right proximal area and a right distal area, and one end of the right proximal area far away from the right distal area communicates with the central area;

The left partition includes a connected and vertical left proximal area and a left distal area, and an end of the left proximal area far away from the left distal area communicates with the central area;

Wherein, one end of the first main runner communicates with the barrel, and the other end communicates with the front side of the right proximal region; one end of the fourth main runner communicates with the barrel, and the other end It communicates with the front side of the left proximal region.

Preferably, the exhaust ducts include several right exhaust ducts and several left exhaust ducts, the right exhaust ducts communicate with the right side, the front side and the left side of the right distal end area, and the left row The air duct communicates with the right side, the front side and the left side of the left distal end area, and the right exhaust duct and the left exhaust duct are arranged symmetrically and are both wave-shaped.

Preferably, the width of the first main runner is 50 mm, and the thickness of the first main runner is 25 mm.

Preferably, the width of the second main runner is 30 mm, and the thickness of the second main runner is 25 mm.

Preferably, the width of the third main runner is 30 mm, and the thickness of the third main runner is 25 mm.

Preferably, the width of the fourth main runner is 50 mm, and the thickness of the fourth main runner is 25 mm.

Preferably, the gate device of the automobile instrument panel bracket further includes a trigger for controlling the booster.

The positive progressive effect of the present utility model is:

1. Through the application of the utility model, the distribution of each main runner and exhaust pipe is reasonably arranged, so that during die-casting, the speed of liquid passing through the gate is accelerated and the amount of liquid entering the die-casting area of the instrument panel bracket is sufficient , slow down the rapid cooling of the liquid, and improve the timeliness and integrity of the entire casting filling;

2. The sprue equipment of the automobile instrument panel bracket of the utility model accelerates the filling of the liquid in the barrel and increases the density of the product through the supercharging device, improves the appearance quality of the product, and improves the timeliness and integrity of the entire casting filling sex.

Description of drawings

Fig. 1 is a schematic structural view of the gate device of the automobile instrument panel bracket of the preferred embodiment of the present invention.

Explanation of reference signs:

Barrel 10

Central District 21

right proximal region 22

right distal area 23

left proximal region 24

left distal area 25

The first main sprue 31

Second main runner 32

The third main runner 33

The fourth main runner 34

Right exhaust pipe 61

Left exhaust pipe 62

detailed description

A preferred embodiment is given below, and the utility model is described more clearly and completely in conjunction with the accompanying drawings.

As shown in Figure 1, this embodiment provides a sprue device for an automobile instrument panel bracket, which includes a barrel 10, an instrument panel bracket die-casting area, a first main runner 31, a second main runner 32, and a third main runner 33 , the fourth main runner 34, several exhaust pipes and supercharging devices (not shown in the figure).

The die-casting area of the instrument panel bracket includes a right section, a middle section 21 and a left section connected in sequence, and the right section and the left section are arranged symmetrically and are both perpendicular to the middle section 21 . In this embodiment, the right partition includes a connected and vertical right proximal region 22 and a right distal region 23, and the end of the right proximal region 22 far away from the right distal region 23 communicates with the central region 21; The left partition includes a connected and vertical left proximal area 24 and a left distal area 25 , and an end of the left proximal area 24 far away from the left distal area 25 communicates with the central area 21 . Wherein, one end of the first main runner 31 communicates with the barrel 10, and the other end communicates with the front side of the right proximal region 22; one end of the fourth main runner 34 communicates with the barrel 10, and the other end communicates with the left proximal end. Front side of zone 24.

The second main runner 32 and the third main runner 33 are connected to the barrel 10 at one end, and the other end is connected to the front side of the middle area 21; the first main runner 31 and the second main runner 32 are symmetrically distributed in the barrel 10, the third main runner 33 and the fourth main runner 34 are symmetrically distributed on both sides of the barrel 10; the third main runner 33 is close to the end of the barrel 10 and the fourth main runner 34 is close to the barrel One end of 10 is connected.

The position distribution of the first main runner 31, the second main runner 32, the third main runner 33 and the fourth main runner 34 is determined according to the specific shape and structure of the automobile instrument panel bracket, so that the liquid can be more evenly distributed. Fill various positions in the die-casting area of the instrument panel bracket. That is to say, according to the specific shape and structure of the automobile instrument panel bracket, the utility model reasonably arranges the distribution of each main runner, so that during die-casting, the speed of liquid passing through the gate is accelerated and the amount of liquid enters the instrument panel bracket The amount of the die-casting area is sufficient, which slows down the rapid cooling of the liquid and improves the timeliness and integrity of the filling of the entire casting. Among them, the symmetrical distribution of the first main runner 31 and the second main runner 32 and the symmetrical distribution of the third main runner 33 and the fourth main runner 34 make the molding of the automobile instrument panel bracket not produce differences.

The pressurizing device communicates with the cartridge 10 . The pressurization device will increase the pressure to the barrel 10. Under the action of the pressure, the liquid can be quickly filled into the shrinkage cavity in the wall thickness of the casting and into the entire mold wall, that is, to speed up the filling of the liquid in the barrel 10 to the meter. In the disc bracket die-casting area, after high-pressure holding, the castings without shrinkage cavities are denser, the density of the products is increased, the appearance quality of the products is greatly improved, and the timeliness and integrity of the filling of the entire casting are improved.

Described exhaust duct comprises several right exhaust ducts 61 and several left exhaust ducts 62, and right exhaust duct 61 communicates with the right side, front side and left side of right far-end area 23, and left exhaust duct 62 communicates with left side. On the right side, the front side and the left side of the distal end area 25, the right exhaust duct 61 and the left exhaust duct 62 are arranged symmetrically and are all wave-shaped. In this way, during die-casting, the liquid will quickly enter the die-casting area of the instrument panel bracket through the sprue to be filled and sufficient, and the air in the die-casting area of the instrument panel bracket can be quickly discharged through the exhaust pipe to ensure the appearance quality of the product. Preferably, a plurality of exhaust pipes can be arranged in the larger part of the die-casting area of the instrument panel bracket or at a position farther from the gate of the runner to ensure that the air in the die-casting area of the instrument panel bracket can be discharged quickly and cleanly to prevent liquid filling. Shrinkage holes, etc. appear.

The width of the first main runner 31 is 50 mm, and the thickness of the first main runner 31 is 25 mm. The width of the second main runner 32 is 30 mm, and the thickness of the second main runner 32 is 25 mm. The width of the third main runner 33 is 30 mm, and the thickness of the third main runner 33 is 25 mm. The width of the fourth main runner 34 is 50 mm, and the thickness of the fourth main runner 34 is 25 mm.

The gate device of the automobile dashboard bracket may also include a trigger (not shown in the figure) for controlling the booster device. There are many shrinkage cavities of different sizes in part of the thick wall of the casting. The pressurization device can be opened instantly by the trigger to pressurize. Under the action, the liquid is filled into the shrinkage cavity in the wall thickness of the casting and the entire mold wall. After high pressure and pressure holding, the casting without shrinkage cavity is more compact.

In this embodiment, the automobile instrument panel bracket is made of magnesium alloy, which is cast from magnesium alloy liquid.

The processing method of the automobile instrument panel support of the present utility model is carried out through the following steps:

Step 1: The liquid quickly passes through the barrel, and enters the right partition, middle section and left partition of the instrument panel bracket die-casting area through four main runners for filling;

Step 2: The first liquid fills the right partition through the first main runner, the second liquid fills the middle area through the second main runner and the third main runner, and the third liquid fills the left partition through the fourth main runner ; Among them, the first liquid fills the right proximal area first, and then fills the right distal area and the rest of the mold after meeting the thick wall requirements of the right proximal area; the third liquid first fills the left proximal area Carry out filling to meet the thickness requirement of the left proximal area, then fill the left distal area and the rest of the mold;

Step 3: After the rapid filling is completed, although the casting is formed, there are many shrinkage cavities of different sizes in part of the thick wall. Within 10 milliseconds after the completion, the pressurization function is triggered, and at the same time the pressure chamber and the sprue are connected. The liquid that has not yet solidified at the gate, under the action of pressurization, fills the liquid into the shrinkage cavity in the wall thickness of the casting and the entire mold wall. After high pressure and pressure holding, the casting without shrinkage cavity is more compact.

Although the specific implementation of the present utility model has been described above, those skilled in the art should understand that this is only an example, and the protection scope of the present utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present utility model, but these changes and modifications all fall within the protection scope of the present utility model.

Claims (8)

1. A sprue device for an automobile instrument panel support, characterized in that it includes a booster, a barrel, an instrument panel support die-casting area, a first main runner, a second main runner, a The third main runner, a fourth main runner and several exhaust pipes; The pressurizing device is communicated with the barrel; The die-casting area of the instrument panel bracket includes a right partition, a middle section and a left section connected in sequence, and the right partition and the left partition are arranged symmetrically and are perpendicular to the middle section; One end of the first main runner communicates with the barrel, and the other end communicates with the front side of the right partition; One end of the second main runner and the third main runner are connected to the barrel, and the other end is connected to the front side of the middle area; One end of the fourth main runner communicates with the barrel, and the other end communicates with the front side of the left partition; The exhaust pipe is connected to the right partition and the left partition, and the exhaust pipe is wavy; Wherein, the first main runner and the second main runner are symmetrically distributed on both sides of the barrel, and the third main runner and the fourth main runner are symmetrically distributed on the barrel the two sides of the barrel; the end of the third main runner close to the barrel communicates with the end of the fourth main runner close to the barrel. 2. The gate device of the automobile instrument panel bracket as claimed in claim 1, wherein the right partition comprises a connected and vertical right near-end area and a right far-end area, and the right near-end area is far away from One end of the right distal region communicates with the central region; The left partition includes a connected and vertical left proximal area and a left distal area, and an end of the left proximal area far away from the left distal area communicates with the central area; Wherein, one end of the first main runner communicates with the barrel, and the other end communicates with the front side of the right proximal region; one end of the fourth main runner communicates with the barrel, and the other end It communicates with the front side of the left proximal region. 3. the sprue device of automobile instrument panel support as claimed in claim 2, is characterized in that, described exhaust duct comprises some right exhaust ducts and some left exhaust ducts, and described right exhaust duct is communicated with described The right side, the front side and the left side of the right far-end area, the left exhaust duct is communicated with the right side, the front side and the left side of the left far-end area, the right exhaust duct is connected with the left exhaust The pipes are arranged symmetrically and are all wavy. 4. The sprue device of the automobile instrument panel bracket as claimed in claim 1, wherein the width of the first main runner is 50mm, and the thickness of the first main runner is 25mm. 5. The sprue device of the automobile instrument panel bracket according to claim 1, wherein the width of the second main runner is 30mm, and the thickness of the second main runner is 25mm. 6. The sprue device of the automobile instrument panel bracket according to claim 1, wherein the width of the third main runner is 30mm, and the thickness of the third main runner is 25mm. 7. The sprue device of the automobile instrument panel bracket according to claim 1, wherein the width of the fourth main runner is 50mm, and the thickness of the fourth main runner is 25mm. 8. The sprue device of the automobile instrument panel bracket according to claim 1, characterized in that, the sprue device of the automobile instrument panel bracket further comprises a trigger for controlling the booster device.