CN206169247U - 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 first Sprue, a second sprue, a third sprue, a fourth sprue, a fifth sprue, a sixth sprue, a seventh sprue, an eighth sprue runner, a ninth runner, a tenth runner, an eleventh runner and several exhaust pipes; wherein, the seventh runner is close to the second main runner and the eighth runner The end of the channel close to the second main runner is connected. Through the application of the utility model, the distribution of the main runners, sub-runners and exhaust pipes is arranged reasonably, so that the speed of the liquid passing through the gate is accelerated and the amount of liquid entering the die-casting area of the instrument panel bracket is sufficient, slowing down The rapid cooling of the liquid improves the timeliness and integrity of the filling of 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 first Sprue, a second sprue, a third sprue, a fourth sprue, a fifth sprue, a sixth sprue, a seventh sprue, an eighth sprue Runner, a ninth runner, a tenth runner, an eleventh 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 partition which are sequentially connected;

One end of the first main runner communicates with the barrel, and the other end of the first main runner communicates with the first sub-runner, the second sub-runner, and the third sub-runner in turn. runner, the fourth runner, the fifth runner, and the sixth runner;

One end of the second main runner communicates with the barrel, and the other end of the second main runner communicates with the seventh sub-runner, the eighth sub-runner, and the ninth sub-runner in turn. runner, the tenth runner, and the eleventh runner;

The first sub-runner, the second sub-runner, the third sub-runner, the fourth sub-runner, and the fifth sub-runner are distributed in sequence and communicated with the front of the right partition side;

The sixth sub-runner, the seventh sub-runner, and the eighth sub-runner are sequentially distributed and communicated with the front side of the middle area;

The ninth sub-runner, the tenth sub-runner, and the eleventh sub-runner are sequentially distributed and communicated with the front side of the left partition;

Several of the exhaust pipes are connected to the right side and the rear side of the right partition, the left side and the rear side of the left partition, and the rear side of the middle area respectively, and the exhaust pipes are wave-shaped;

Wherein, one end of the seventh runner close to the second main runner communicates with an end of the eighth runner close to the second main runner.

Through the utility model, according to the specific shape and structure of the instrument panel bracket, the distribution of each main runner, sub-runner and exhaust pipe is reasonably arranged, so that the speed of liquid passing through the gate is accelerated and the amount of liquid is increased during die-casting. The amount entering the die-casting area of the instrument panel bracket 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 first main runner forms a first included angle with the front side of the instrument panel bracket die-casting area along the length direction, and the second main runner forms a first angle with the instrument panel bracket along the length direction. A second included angle is formed in the longitudinal direction of the front side of the die-casting area of the bracket.

Preferably, the width of the first main runner and the second main runner are both 60 mm, and the thickness of the first main runner and the second main runner are both 30 mm.

Preferably, the width of the first runner is 15mm, and the thickness of the first runner is 10mm;

The width of the second runner is 10mm, and the thickness of the second runner is 10mm;

The width of the third runner is 25mm, and the thickness of the third runner is 10mm;

The width of the fourth runner is 15mm, and the thickness of the fourth runner is 10mm;

The width of the fifth runner is 20mm, and the thickness of the fifth runner is 10mm;

The width of the sixth sub-runner is 20mm, and the thickness of the sixth sub-runner is 10mm;

The width of the seventh runner is 15mm, and the thickness of the seventh runner is 10mm;

The width of the eighth sub-runner is 20mm, and the thickness of the eighth sub-runner is 10mm;

The width of the ninth sub-runner is 15mm, and the thickness of the ninth sub-runner is 10mm;

The width of the tenth runner is 20mm, and the thickness of the tenth runner is 10mm;

The width of the eleventh runner is 10mm, and the thickness of the eleventh runner is 10mm.

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, sub-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 for die-casting The amount of the area is sufficient, which slows down the rapid cooling of the liquid and improves 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

Right Partition 21

Central District 22

Left Partition 23

First sprue 31

Second sprue 32

First sprue 41

Second sprue 42

The third sprue 43

The fourth sprue 44

The fifth sprue 45

The sixth sprue 46

The seventh sprue 47

The eighth sprue 48

Ninth sprue 49

Tenth sprue 50

The eleventh sprue 51

Exhaust pipe 60

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, a die-casting area for an instrument panel bracket, a first main runner 31, a second main runner 32, and a first sub-runner 41 , the second runner 42, the third runner 43, the fourth runner 44, the fifth runner 45, the sixth runner 46, the seventh runner 47, the eighth runner 48, The ninth sub-runner 49, the tenth sub-runner 50, the eleventh sub-runner 51, several exhaust pipes 60 and a supercharging device (not shown in the figure).

The die-casting area of the instrument panel bracket includes a right partition 21 , a middle section 22 and a left partition 23 connected in sequence.

One end of the first main runner 31 communicates with the barrel 10, and the other end of the first main runner 31 communicates with the first sub-runner 41, the second sub-runner 42, the third sub-runner 43, the fourth sub-runner in turn. The runner 44 , the fifth runner 45 , and the sixth runner 46 . One end of the second main runner 32 is communicated with the barrel 10, and the other end of the second main runner 32 is successively communicated with the seventh sub-runner 47, the eighth sub-runner 48, the ninth sub-runner. 49 , the tenth runner 50 , and the eleventh runner 51 . Wherein, an end of the seventh runner 47 close to the second main runner 32 is in communication with an end of the eighth runner 48 close to the second main runner 32 .

The first runner 41, the second runner 42, the third runner 43, the fourth runner 44, and the fifth runner 45 are sequentially distributed and communicated with the Describe the front side of the right partition 21. The sixth runner 46 , the seventh runner 47 , and the eighth runner 48 are distributed sequentially and communicate with the front side of the middle region 22 . The ninth sub-runner 49 , the tenth sub-runner 50 , and the eleventh sub-runner 51 are sequentially distributed and communicated with the front side of the left partition 23 .

The first main runner 31 forms a first included angle with the length direction of the front side of the instrument panel bracket die-casting area along the length direction, and the second main runner 32 is die-cast with the instrument panel bracket along the length direction The lengthwise direction of the front side of the zone forms a second included angle.

The first main runner 31, the second main runner 32, the first sub-runner 41, the second sub-runner 42, the third sub-runner 43, the fourth sub-runner 44, the fifth sub-runner 45, the first sub-runner The position distribution of the sixth sprue 46, the seventh sprue 47, the eighth sprue 48, the ninth sprue 49, the tenth sprue 50, and the eleventh sprue 51 is based on the automobile instrument panel bracket It is determined by the specific shape and structure of the instrument panel bracket, so that the liquid can fill the various positions of the die-casting area of the instrument panel bracket more uniformly. 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 the main runners and sub-runners, so that the speed of the liquid passing through the gate is accelerated and the amount of liquid is reduced during die-casting. The amount entering the die-casting area of the instrument panel bracket is sufficient, which slows down the rapid cooling of the liquid and improves the timeliness and integrity of the filling of the entire casting. Wherein, one end of the seventh runner 47 close to the second main runner 32 communicates with an end of the eighth runner 48 close to the second main runner 32 , so that the middle region 22 The molding is uniform, and there will be no difference in the whole.

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.

Several exhaust pipes 60 communicate with the right side and rear side of the right partition 21, the left side and the rear side of the left partition 23, and the rear side of the middle area 22 respectively, and the exhaust pipes 60 are 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 60 to ensure the appearance quality of the product. Preferably, a plurality of exhaust pipes 60 can be arranged in the larger part of the die-casting area of the instrument panel bracket or at a position farther from the sprue gate to ensure that the air in the die-casting area of the instrument panel bracket is quickly and cleanly discharged to prevent liquid filling Shrinkage holes and the like appear.

The width of the first main runner 31 and the second main runner 32 are both 60 mm, and the thickness of the first main runner 31 and the second main runner 32 are both 30 mm. The width of the first runner 41 is 15mm, and the thickness of the first runner 41 is 10mm. The width of the second runner 42 is 10 mm, and the thickness of the second runner 42 is 10 mm. The width of the third runner 43 is 25 mm, and the thickness of the third runner 43 is 10 mm. The width of the fourth runner 44 is 15mm, and the thickness of the fourth runner 44 is 10mm. The width of the fifth runner 45 is 20 mm, and the thickness of the fifth runner 45 is 10 mm. The width of the sixth runner 46 is 20 mm, and the thickness of the sixth runner 46 is 10 mm. The width of the seventh runner 47 is 15 mm, and the thickness of the seventh runner 47 is 10 mm. The width of the eighth runner 48 is 20mm, and the thickness of the eighth runner 48 is 10mm. The width of the ninth runner 49 is 15 mm, and the thickness of the ninth runner 49 is 10 mm. The width of the tenth runner 50 is 20 mm, and the thickness of the tenth runner 50 is 10 mm. The width of the eleventh runner 51 is 10mm, and the thickness of the eleventh runner 51 is 10mm.

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 dense.

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 the two main runners and eleven sub-runners are divided into three areas and enter the die-casting area of the instrument panel bracket for filling;

Step 2: The first liquid passes through the first main runner, then passes through the first sub-runner, the second sub-runner, the third sub-runner, the fourth sub-runner, and the fifth sub-runner to fill the right partition; The second liquid passes through the first main runner and the second main runner, and then passes through the sixth sub-runner, the seventh sub-runner, and the eighth sub-runner to fill the middle area; the third liquid passes through the second main runner, Then fill the left partition through the ninth sub-runner, the tenth sub-runner, and the eleventh sub-runner;

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 dense.

Although the specific implementation of the 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 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 (5)

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 first sprue, one second sprue, one third sprue, one fourth sprue, one fifth sprue, one sixth sprue, one seventh sprue, one first sprue Eight sprues, one ninth sprue, one tenth sprue, one eleventh sprue 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 partition which are sequentially connected; One end of the first main runner communicates with the barrel, and the other end of the first main runner communicates with the first sub-runner, the second sub-runner, and the third sub-runner in turn. runner, the fourth runner, the fifth runner, and the sixth runner; One end of the second main runner communicates with the barrel, and the other end of the second main runner communicates with the seventh sub-runner, the eighth sub-runner, and the ninth sub-runner in turn. runner, the tenth runner, and the eleventh runner; The first sub-runner, the second sub-runner, the third sub-runner, the fourth sub-runner, and the fifth sub-runner are distributed in sequence and communicated with the front of the right partition side; The sixth sub-runner, the seventh sub-runner, and the eighth sub-runner are sequentially distributed and communicated with the front side of the middle area; The ninth sub-runner, the tenth sub-runner, and the eleventh sub-runner are sequentially distributed and communicated with the front side of the left partition; Several of the exhaust pipes are connected to the right side and the rear side of the right partition, the left side and the rear side of the left partition, and the rear side of the middle area respectively, and the exhaust pipes are wave-shaped; Wherein, one end of the seventh runner close to the second main runner communicates with an end of the eighth runner close to the second main runner. 2. The sprue device of the automobile instrument panel bracket as claimed in claim 1, wherein the first main runner is formed with a first main runner along the longitudinal direction and the front side of the instrument panel bracket die-casting area in the longitudinal direction. An included angle, the second main runner forms a second included angle along the longitudinal direction with the longitudinal direction of the front side of the die-casting area of the instrument panel bracket. 3. The sprue device of the automobile instrument panel support as claimed in claim 1, wherein the width of the first main runner and the second main runner is 60mm, and the first main runner Both the thickness of the channel and the second main runner are 30mm. 4. The sprue device of the automobile instrument panel support as claimed in claim 1 or 3, wherein the width of the first runner is 15mm, and the thickness of the first runner is 10mm; The width of the second runner is 10mm, and the thickness of the second runner is 10mm; The width of the third runner is 25mm, and the thickness of the third runner is 10mm; The width of the fourth runner is 15mm, and the thickness of the fourth runner is 10mm; The width of the fifth runner is 20mm, and the thickness of the fifth runner is 10mm; The width of the sixth sub-runner is 20mm, and the thickness of the sixth sub-runner is 10mm; The width of the seventh runner is 15mm, and the thickness of the seventh runner is 10mm; The width of the eighth sub-runner is 20mm, and the thickness of the eighth sub-runner is 10mm; The width of the ninth sub-runner is 15mm, and the thickness of the ninth sub-runner is 10mm; The width of the tenth runner is 20mm, and the thickness of the tenth runner is 10mm; The width of the eleventh runner is 10mm, and the thickness of the eleventh runner is 10mm. 5. 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.